CN114093138A - Embedded rainfall monitoring terminal and monitoring method for landslide monitoring and early warning - Google Patents
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
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- G08B31/00—Predictive alarm systems characterised by extrapolation or other computation using updated historic data
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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Abstract
The invention provides an embedded rainfall monitoring terminal and a monitoring method for landslide monitoring and early warning, which comprise a rainfall sensing module, a data processing module, a multi-stage early warning analysis module, a multi-stage sound-light alarm module and a data transmission module, wherein the rainfall sensing module collects rainwater and generates a high-level signal; the data processing module receives the high level signal and converts the high level signal into a rainfall value, identifies the rainfall field and counts the accumulated rainfall of each rain field; the multi-stage early warning analysis module judges early warning levels and generates early warning information; the multi-stage sound-light alarm module broadcasts the generated early warning content; the data transmission module integrates the rain amount value, the accumulated rain amount value and the early warning information into a data packet; and the data transmission module transmits the data packet to the server. The invention can identify the rainfall field, so that the general daily accumulated rainfall value can be replaced by the accumulated rainfall value of each rain field, thereby being beneficial to the early warning analysis of the landslide hidden danger points and providing more accurate and favorable early warning criteria for the judgment of the early warning grade.
Description
Technical Field
The invention relates to the field of geological disaster monitoring, in particular to an embedded rainfall monitoring terminal and a monitoring method for landslide monitoring and early warning.
Background
Rainfall is the main cause for inducing landslide instability, and rainfall monitoring can be carried out on hidden danger points by installing rainfall monitoring equipment on the hidden danger points of the landslide. On one hand, the rainfall sensing monitoring equipment can be used for dynamically monitoring the rainfall of the landslide hidden danger points, and the rainfall can reflect the possibility degree of landslide to a certain extent by combining with other monitoring physical quantities to comprehensively analyze; on the other hand, the rainfall monitoring value can be used in multi-factor comprehensive early warning, data processing is carried out through the cloud server computing center, and more effective criteria are provided for landslide early warning.
At present, in a dynamic monitoring process of an embedded rainfall monitoring terminal, a main rainfall factor uploaded to a cloud server by the terminal is a rainfall value obtained by single monitoring, and the cloud server usually needs to process the single rainfall value, calculate parameters such as accumulated rainfall and rainfall intensity of rainfall, and further use the parameters in a monitoring and early warning system of a landslide hidden danger point. Under the high-concurrency application scene of the Internet of things, the data processing flows have small cost for server resources, meanwhile, the data delay in the early warning process is increased by the flow, and the timeliness of early warning is reduced. Although some monitoring terminals in the market upload the daily accumulated rain amount value while uploading the single rain amount value, if the daily accumulated rain amount value can be further distinguished, each rain field is identified, the accumulated rain amount value of each rain field is counted, meanwhile, the early warning grade judgment is realized on the embedded terminal to generate corresponding early warning information, and the early warning information is uploaded in real time, so that the early warning analysis of the landslide hidden danger point is further facilitated.
In order to further reduce data delay in the landslide hidden danger point monitoring and early warning process and provide more accurate and effective information in the early warning and analysis process, a new embedded rainfall monitoring terminal needs to be provided.
Disclosure of Invention
The invention aims to solve the technical problem of providing an embedded rainfall monitoring terminal and a monitoring method for landslide monitoring and early warning, which can reduce data delay in the process of monitoring and early warning of landslide hidden danger points and provide more accurate and effective information for the process of early warning analysis.
The technical scheme adopted by the invention for solving the technical problem is as follows: an embedded rainfall monitoring terminal for landslide monitoring and early warning, comprising: the rainfall sensing module is used for collecting rainwater and triggering to generate a high-level signal after the rainwater reaches a certain amount; the data processing module is used for receiving the high level signal generated by the rainfall sensing module, further processing the level signal into rainfall information, identifying the rainfall field times and counting the accumulated rainfall value according to the rainfall field times; the multi-stage early warning analysis module judges the current early warning grade according to the early warning model and the current monitoring data and generates early warning information which comprises an acousto-optic warning trigger signal and early warning short message content; the multi-stage sound-light alarm module is triggered by a sound-light alarm trigger signal to broadcast generated early warning contents; the data transmission module integrates the rainfall value obtained by single measurement, the accumulated rainfall value of each rain field and the early warning information into a data packet meeting the protocol requirements according to the corresponding protocol, and transmits the data to the cloud server for subsequent monitoring and early warning processes.
Furthermore, the rainfall sensing module comprises a rainwater collecting funnel, a foreign matter impurity filter, a rainwater flow guiding device, a rainwater receiving device and a unit rainfall signal triggering device; the rainwater collecting funnel is used for collecting rainwater generated during rainfall, and the foreign matter impurity filter is positioned at the bottom of the rainwater collecting funnel and used for filtering foreign matter impurities such as soil, small stones and the like falling into the funnel during rainfall; the rainwater flow guiding device guides rainwater to the rainwater receiving device; when the rainwater in the rainwater bearing device reaches a certain amount, the unit rainfall signal trigger device generates a high level signal.
Furthermore, the data processing module is borne on an MCU control circuit board and comprises an MCU control unit, a power input, a direct current power supply unit, a level signal acquisition unit and a communication circuit module.
Further, the level signal acquisition unit acquires a rainfall high level signal from a circuit board wiring terminal.
Further, the direct current power supply unit provides stable direct current power supply for the whole circuit board.
Furthermore, the MCU control unit comprises a rainfall data caching unit, a rainfall field identification unit and an accumulated rainfall statistic unit;
the rainfall data buffer unit is a data buffer FIFO and stores relevant rainfall values;
the rainfall field identification unit calculates and identifies whether the current monitored rainfall data and the previous data belong to the same rainfall through the data cached in the rainfall data caching unit;
and the accumulated rainfall statistic unit accumulates the accumulated rainfall according to the identification result of the rainfall field identification unit to obtain the accumulated rainfall of each rainfall.
Furthermore, the multi-stage early warning analysis module is borne on the MCU control circuit board and comprises a rainfall threshold multi-stage early warning unit, an acousto-optic alarm triggering unit and an early warning information issuing unit;
the rainfall threshold multi-stage early warning unit judges to obtain an early warning level according to the rainfall information obtained by the data processing module;
the sound-light alarm triggering unit generates a sound-light alarm triggering signal according to the early warning level;
and the early warning information issuing unit generates early warning information corresponding to the early warning grade according to the early warning grade and the information of the current monitoring point.
Further, the rainfall threshold multi-stage early warning unit comprises four early warning levels of blue-yellow-orange-red, and the level threshold judges the early warning level range to which the current rainfall value belongs.
The multistage sound-light alarm module comprises a light warning unit and an early warning information broadcasting unit;
the early warning information broadcasting unit is triggered by the trigger signal generated by the sound-light alarm triggering unit, reads the early warning information corresponding to the early warning level of the early warning information issuing unit, or reads the early warning information in a sound-light alarm command issued by the server, and carries out voice broadcasting.
Furthermore, the data transmission module is embedded in the MCU control circuit board and comprises a transmission protocol processing unit and a communication circuit module;
the transmission protocol processing unit processes the rainfall information and the early warning information into a data format meeting the protocol requirements, and the communication circuit module transmits the data processed by the transmission protocol processing unit to the cloud server. Meanwhile, a control command issued by the cloud server can be received to realize remote control of the monitoring terminal.
The invention also provides an embedded rainfall monitoring method for landslide monitoring and early warning based on the embedded rainfall monitoring method, which comprises the following steps:
the rainfall sensing module collects rainwater during rainfall and triggers to generate a high-level signal;
triggering the data processing module by the high-level signal to calculate a single rainfall value according to corresponding data, identifying the number of rainfall fields and counting the accumulated rainfall value of each rain field;
the multi-stage early warning analysis module judges the current early warning level according to the threshold early warning model and generates an acousto-optic warning trigger signal and early warning information;
the multistage acousto-optic alarm module broadcasts the early warning information generated by the multistage early warning analysis unit under the action of a trigger signal to carry out on-site early warning, and meanwhile, the multistage acousto-optic alarm module can also be controlled by a command of a server to broadcast the early warning information generated by the server;
the single rainfall value, the rainfall accumulation rainfall value of each rainfall field and the early warning information form the main content of the data format meeting the protocol requirements;
the data transmission module transmits the data to the cloud server, the rainfall data can be used for subsequent data processing and can be used as an influence factor to participate in a subsequent landslide monitoring and early warning process, the early warning information can be used for early warning short messages, early warning information issuing and the like, and then collaborative early warning of the monitoring terminal and the early warning platform is achieved.
The invention has the beneficial effects that: according to the embedded rainfall monitoring terminal and the monitoring method, rainfall related information is obtained through a high-level signal generated by triggering of the rainfall sensing module, data processing and transmission are achieved based on the MCU control unit, meanwhile, the data transmission module can be communicated with cloud services to execute related commands, and the embedded rainfall monitoring terminal can intelligently monitor and dynamically sense landslide hidden danger points; the data processing module of the invention moves the cumulative rainfall statistic calculation process and the early warning model of rainfall down from the server to the monitoring terminal, thus improving the utilization efficiency of the calculation resources of the monitoring terminal, reducing the concurrent calculation pressure of the server to a certain extent and releasing the calculation resources; the monitoring terminal has the on-site early warning capability due to the downward movement of the data calculation and early warning process, so that the data delay from the landslide hidden danger point to the server early warning analysis process is further reduced, and the early warning time is shortened in the landslide disaster handling process which is bound to contend for minutes and seconds; according to the embedded rainfall monitoring terminal and the monitoring method, the rainfall field can be identified, so that the general daily accumulated rainfall value can be further replaced by the accumulated rainfall value of each rain field, the early warning analysis of the landslide hidden danger points can be further facilitated, and more accurate and favorable early warning criteria can be provided for the judgment of the early warning level.
Drawings
Fig. 1 is a block diagram of an embedded rainfall monitoring terminal according to the present invention.
Fig. 2 is a schematic structural view of a rainfall sensing module of the present invention.
Fig. 3 is a block diagram of the MCU control circuit board of the present invention.
Fig. 4 is a flowchart of an embedded rainfall monitoring terminal of the present invention.
Wherein the reference numerals in the figures correspond to: 1-a rainwater collecting funnel, 2-a foreign matter impurity filter, 3-a rainwater flow guide device, 4-a rainwater receiving device, 5-a unit rainfall signal trigger device, 6-a shell and 7-an MCU control circuit board.
Detailed Description
As shown in fig. 1, the embedded rainfall monitoring terminal for landslide monitoring and early warning of the present invention comprises: the rainfall sensing module is used for collecting rainwater and triggering to generate a high-level signal after the rainwater reaches a certain amount; the data processing module is used for receiving the high level signal generated by the rainfall sensing module, further processing the level signal into rainfall information, identifying the rainfall field times and counting the accumulated rainfall value according to the rainfall field times; the multi-stage early warning analysis module judges the current early warning grade according to the early warning model and the current monitoring data and generates early warning information which comprises multi-stage acousto-optic warning trigger signals and early warning short message contents; the multi-stage sound-light alarm module is triggered by a sound-light alarm trigger signal to broadcast generated early warning contents; the data transmission module integrates the rainfall value obtained by single measurement, the accumulated rainfall value of each rain field and the early warning information into a data packet meeting the protocol requirements according to the corresponding protocol, and transmits the data to the cloud server for subsequent monitoring and early warning processes.
As shown in fig. 2 and 3, the rainfall sensing module includes a rainwater collection funnel 1, a foreign matter impurity filter 2, a rainwater diversion device 3, a rainwater receiving device 4 and a unit rainfall signal trigger device 5, and the rainwater collection funnel 1, the foreign matter impurity filter 2, the rainwater diversion device 3, the rainwater receiving device 4 and the unit rainfall signal trigger device 5 are all installed in a housing 6; the rainwater collecting funnel 1 is used for collecting rainwater generated during rainfall, and the foreign matter impurity filter 2 is positioned at the bottom of the rainwater collecting funnel 1 and used for filtering foreign matter impurities such as soil, small stones and the like falling into the funnel during rainfall; the rainwater flow guiding device 3 guides rainwater to the rainwater receiving device 4; when the rain water in the rain water receiving device 4 reaches a certain amount, the unit rain water amount signal trigger device 5 will generate a high level signal.
The data processing module is carried on an MCU control circuit board 7, and can be based on STM32, and can also be based on the micro control processing circuit of raspberry group etc.. The device comprises an MCU control unit, a direct current power supply unit and a level signal acquisition unit.
Preferably, the control circuit board is designed based on the STM32 chip by comprehensively considering factors such as cost, power consumption and the like. The level signal acquisition unit acquires rainfall high level signals from the circuit board wiring terminal. The direct current power supply unit provides stable direct current power supply for the whole circuit board.
The MCU control unit comprises a rainfall data caching unit, a rainfall field identification unit and an accumulated rainfall statistic unit. The rainfall data buffer unit is a data buffer FIFO and stores relevant rainfall values. The rainfall field identification unit calculates and identifies whether the current monitored rainfall data and the previous data belong to the same rainfall through the data cached in the rainfall data caching unit; and the accumulated rainfall statistic unit accumulates the accumulated rainfall according to the identification result of the rainfall field identification unit to obtain the accumulated rainfall of each rainfall.
Furthermore, the multi-stage early warning analysis module is also borne on the MCU control circuit board 7 and comprises a rainfall threshold multi-stage early warning unit, an audible and visual alarm triggering unit and an early warning information issuing unit; the rainfall threshold early warning unit judges to obtain an early warning grade according to the rainfall information obtained by the data processing module; the sound-light alarm triggering unit generates a sound-light alarm triggering signal according to the early warning level; the early warning information issuing unit generates early warning information corresponding to the early warning level according to the early warning level and the current monitoring point information; further, the rainfall threshold multi-stage early warning unit comprises four early warning levels of blue-yellow-orange-red, and the level threshold judges the early warning level range to which the current rainfall value belongs.
The multistage sound-light alarm module comprises a light warning unit and an early warning information broadcasting unit;
the early warning information broadcasting unit is triggered by the trigger signal generated by the sound-light alarm triggering unit, reads the early warning information corresponding to the early warning level of the early warning information issuing unit, or reads the early warning information in a sound-light alarm command issued by the server, and carries out voice broadcasting.
Further, the data transmission module is embedded in the MCU control circuit board 7 and includes a transmission protocol processing unit and a communication circuit module.
As an embodiment, the communication circuit module can be a communication module based on GPRS/3G/4G, a communication module based on NB-Iot and a communication terminal based on Beidou satellite communication. The simultaneous transmission protocol can be any general data protocol such as TCP/IP protocol, MQTT protocol, HTTP protocol and the like.
Preferably, MQTT protocol is employed as the communication protocol.
Furthermore, the transmission protocol processing unit processes the rainfall information and the early warning information into a data format meeting the protocol requirements, and the communication circuit module transmits the data processed by the transmission protocol processing unit to the cloud server.
As shown in fig. 4, the embedded rainfall monitoring method for landslide monitoring and early warning of the present invention comprises the following steps:
the rainfall sensing module collects rainwater during rainfall and triggers to generate a high-level signal;
triggering the data processing module by the high-level signal to calculate a single rainfall value according to corresponding data, identifying the number of rainfall fields and counting the accumulated rainfall value of each rain field;
the multi-stage early warning analysis module judges the current early warning level according to the threshold early warning model and generates an acousto-optic warning trigger signal and early warning information;
the multistage acousto-optic alarm module broadcasts the early warning information generated by the multistage early warning analysis unit under the action of a trigger signal to carry out on-site early warning, and meanwhile, the multistage acousto-optic alarm module can also be controlled by a command of a server to broadcast the early warning information generated by the server;
and the single rainfall value, the rainfall accumulation rainfall value of each rainfall field and the early warning information form the main content of the data format meeting the protocol requirements.
The data transmission module transmits the data to the cloud server, the rainfall data can be used for subsequent data processing and can be used as an influence factor to participate in a subsequent landslide monitoring and early warning process, the early warning information can be used for early warning short messages, early warning information issuing and the like, and then collaborative early warning of the monitoring terminal and the early warning platform is achieved.
Claims (10)
1. An embedded rainfall monitoring terminal for landslide monitoring and early warning is characterized by comprising a rainfall sensing module, a data processing module, a multi-stage early warning analysis module, a multi-stage acousto-optic alarm module and a data transmission module,
the rainfall sensing module is used for collecting rainwater and generating a high-level signal;
the data processing module is used for receiving the high level signal and converting the high level signal into a corresponding rainfall value, and further identifying the rainfall field and counting the accumulated rainfall of each rain field;
the multi-stage early warning analysis module judges the current early warning grade according to the early warning model and the current monitoring data and generates early warning information which comprises an acousto-optic warning trigger signal and early warning short message content;
the multi-stage sound-light alarm module is triggered by a sound-light alarm trigger signal to broadcast generated early warning contents;
the data transmission module integrates the rainfall value obtained by single measurement, the accumulated rainfall value of each rainfall and the early warning information into a data packet meeting the protocol requirements according to the corresponding protocol;
and the data transmission module transmits the integrated data packet to a server to complete data interaction.
2. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 1 wherein the rainfall sensing module comprises a rainwater collection funnel (1), a foreign matter impurity filter (2), a rainwater diversion device (3), a rainwater receiving device (4), a unit rainfall signal trigger device (5);
the rainwater collecting funnel (1) is used for collecting rainwater generated during rainfall, and the foreign matter impurity filter (2) is positioned at the bottom of the rainwater collecting funnel (1) and is used for filtering foreign matter impurities falling into the rainwater collecting funnel (1) during rainfall;
the rainwater flow guiding device (3) guides rainwater to the rainwater receiving device (4);
when the rainwater in the rainwater receiving device (4) reaches a certain amount, the unit rainfall signal trigger device (5) generates a high level signal.
3. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 1 wherein the data processing module is carried on an MCU control circuit board (7) and comprises an MCU control unit, a DC power supply unit, a level signal acquisition unit,
the level signal acquisition unit acquires rainfall high level signals from the circuit board wiring terminal;
the MCU control unit processes the high-level signal;
the direct current power supply unit provides a direct current power supply.
4. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 3 wherein the MCU control unit comprises a rainfall data caching unit, a rainfall field identification unit, an accumulated rainfall statistic unit;
the rainfall data buffer unit is a data buffer FIFO and stores relevant rainfall values;
the rainfall field identification unit calculates and identifies whether the current monitored rainfall data and the previous data belong to the same rainfall through the data cached in the rainfall data caching unit;
and the accumulated rainfall statistic unit accumulates the accumulated rainfall according to the identification result of the rainfall field identification unit to obtain the accumulated rainfall of each rainfall.
5. The embedded rainfall monitoring terminal for landslide monitoring and early warning of claim 1 wherein the multi-stage early warning analysis module is carried on the MCU control circuit board (7) and comprises a rainfall threshold multi-stage early warning unit, an audible and visual alarm triggering unit and an early warning information issuing unit;
the rainfall threshold multi-stage early warning unit judges to obtain an early warning level according to the rainfall information obtained by the data processing module;
the sound-light alarm triggering unit generates a sound-light alarm triggering signal according to the early warning level;
and the early warning information issuing unit generates early warning information corresponding to the early warning grade according to the early warning grade and the information of the current monitoring point.
6. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 5 wherein the rainfall threshold multi-level pre-warning unit comprises four pre-warning levels, and the level threshold determines the pre-warning level range to which the current rainfall value belongs.
7. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 1 wherein the multi-stage audible and visual alarm module comprises a light warning unit and a pre-warning information broadcasting unit;
the early warning information broadcasting unit is triggered by a trigger signal generated by the sound-light alarm triggering unit, reads early warning information corresponding to the early warning level of the early warning information issuing unit, or reads early warning information in a sound-light alarm command issued by the server, and carries out voice broadcasting.
8. The embedded rainfall monitoring terminal for landslide monitoring and pre-warning of claim 1 wherein the data transmission module is embedded on an MCU control circuit board (7) comprising a transmission protocol processing unit in the MCU control unit and a communication circuit module.
9. The embedded rainfall monitoring terminal for landslide monitoring and early warning of claim 8 wherein the transmission protocol processing unit processes the rainfall information and the early warning information into a data format meeting the protocol requirements, the communication circuit module transmits the data processed by the transmission protocol processing unit to the cloud server, and can also receive a control command issued by the cloud server to realize remote control of the monitoring terminal.
10. A rainfall monitoring method based on the embedded rainfall monitoring terminal for landslide monitoring and early warning of any one of claims 1-9, which comprises the following steps:
collecting rainwater by a rainfall sensing module and triggering to generate a high-level signal;
triggering a data processing module by the high-level signal to calculate a single rainfall value according to corresponding data, identifying the rainfall field times and counting the rainfall accumulated rainfall value of each field;
judging the current early warning level by a multi-stage early warning analysis module according to a threshold early warning model, and generating an acousto-optic warning trigger signal and early warning information;
the multi-stage acousto-optic alarm module broadcasts the early warning information generated by the multi-stage early warning analysis unit under the action of the trigger signal to carry out on-site early warning, and meanwhile, the multi-stage acousto-optic alarm module can also be controlled by the command of the server to broadcast the early warning information generated by the server;
the main content of the data format meeting the protocol requirements is composed of a single rainfall value, each rainfall accumulated rainfall value and early warning information;
the data transmission module transmits the data to the cloud server, the rainfall data can be used for subsequent data processing and can be used as an influence factor to participate in a subsequent landslide monitoring and early warning process, the early warning information can be used for issuing early warning short messages and early warning information, and then the cooperative early warning of the monitoring terminal and the early warning platform is achieved.
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