CN112102575A - Forest fire prevention monitoring terminal early warning method, base station early warning method, early warning system and storage medium - Google Patents
Forest fire prevention monitoring terminal early warning method, base station early warning method, early warning system and storage medium Download PDFInfo
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- CN112102575A CN112102575A CN202010819274.9A CN202010819274A CN112102575A CN 112102575 A CN112102575 A CN 112102575A CN 202010819274 A CN202010819274 A CN 202010819274A CN 112102575 A CN112102575 A CN 112102575A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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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
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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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
- G08B25/10—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 wireless transmission systems
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Abstract
The invention discloses a forest fire prevention monitoring terminal early warning method, a base station early warning method, an early warning system and a storage medium. The monitoring terminal early warning method comprises the following monitoring and early warning steps: if the monitored air temperature exceeds the air temperature early warning threshold, reporting the collected air temperature, and the method is characterized by further comprising the step of generating the air temperature early warning threshold before the step of monitoring and early warning: and determining a temperature early warning threshold according to the fire risk degree of the current monitoring point, wherein the higher the fire risk is, the lower the temperature early warning threshold is. According to the forest fire prevention monitoring terminal early warning method, the temperature early warning threshold value is determined according to the fire risk degree of the monitoring points, so that the temperature early warning threshold value of each monitoring point is associated with the fire risk degree of each monitoring point, the temperature early warning threshold value can be adjusted according to the fire probability, and each monitoring point is monitored in a targeted mode.
Description
Technical Field
The invention relates to the technical field of remote monitoring equipment, in particular to a forest fire prevention monitoring terminal early warning method, a base station early warning method, an early warning system and a storage medium.
Background
In order to prevent forest fires, forest zones need to be monitored for fire protection. At present, most of the wireless sensor networks are adopted to realize the fire prevention monitoring of forest zones. The wireless sensor network mainly comprises a plurality of monitoring nodes and a base station, wherein the monitoring nodes are deployed in a forest area, collect information such as temperature and humidity of the forest area and transmit data to the base station in a wireless transmission mode. In the existing fire prevention early warning scheme, the temperature early warning threshold value of each monitoring node is a preset unified fixed value. However, in some areas where the risk of fire is high, the probability of fire is high, and therefore special attention should be paid to prevent the fire from spreading beyond a wide margin when a small-range temperature abnormality occurs at the beginning. In some areas with lower fire risks, the probability of fire is lower, and the attention is not required to be paid to the small-range abnormal temperature. In the existing fire prevention early warning scheme, all monitoring areas can send out early warning signals only when reaching the same temperature early warning threshold value, and corresponding adjustment can not be carried out according to the height of fire risks.
Disclosure of Invention
The invention aims to solve the technical problem of providing an early warning method for a forest fire prevention monitoring terminal, which can adjust an air temperature early warning threshold value according to the fire risk and realize targeted monitoring on each monitoring point.
In order to solve the technical problem, the forest fire prevention monitoring terminal early warning method provided by the invention comprises the following steps: if the monitored air temperature exceeds the air temperature early warning threshold, reporting the collected air temperature, and the method is characterized by further comprising the step of generating the air temperature early warning threshold before the step of monitoring and early warning: and determining a temperature early warning threshold according to the fire risk degree of the current monitoring point, wherein the higher the fire risk is, the lower the temperature early warning threshold is.
Further, before the temperature early warning threshold value generating step, the method also comprises an information receiving step: and receiving the fire risk of the current monitoring point sent by the base station.
Further, before the information receiving step, the method further comprises an air temperature reporting step: and collecting the air temperature of the current monitoring point and reporting the air temperature to the base station so that the base station can calculate the fire risk of the monitoring point.
Further, the monitoring and early warning step further comprises the following steps: and if the air temperature is not reported when the data reporting interval duration is exceeded, reporting the currently acquired air temperature to the base station.
Further, the data reporting interval duration is determined according to the fire risk degree of the current monitoring point, and the higher the fire risk is, the shorter the data reporting interval duration is.
A forest fire prevention base station early warning method comprises the following fire risk calculation steps: calculating the corresponding fire risk according to the fire risk meteorological factor, and further comprising a temperature early warning threshold value generation step: and sending the fire risk to the monitoring terminal so that the monitoring terminal can determine the temperature early warning threshold value according to the fire risk.
Furthermore, five fire risk meteorological factors are respectively correction indexes of the influence of air temperature, minimum relative humidity, precipitation and subsequent continuous precipitation-free days, maximum wind power level and biological and non-biological climatic seasons; and receiving the air temperature from the monitoring terminal, and/or automatically collecting the other four fire weather factors.
Further, if a new air temperature sent by the monitoring terminal is received, the fire risk calculation step and the air temperature early warning threshold generation step are executed again.
A forest fire prevention early warning system comprises a base station and a plurality of monitoring terminals, wherein wireless communication is adopted between the base station and each monitoring terminal, the monitoring terminals collect data and report the data to the base station, the base station reports the received data, the monitoring terminals can execute the forest fire prevention monitoring terminal early warning method, and the base station can execute the forest fire prevention base station early warning method.
A computer-readable storage medium having stored thereon a computer program, characterized in that: when being executed by the processor, the program realizes the early warning method of the forest fire prevention monitoring terminal or the early warning method of the forest fire prevention base station.
According to the forest fire prevention monitoring terminal early warning method, the temperature early warning threshold value is determined according to the fire risk degree of the monitoring points, so that the temperature early warning threshold value of each monitoring point is associated with the fire risk degree of each monitoring point, the temperature early warning threshold value can be adjusted according to the fire probability, and each monitoring point is monitored in a targeted mode.
Drawings
FIG. 1 is a block diagram of a forest fire prevention monitoring and early warning system provided by the invention;
fig. 2 is a block diagram of the wireless fire monitoring terminal in fig. 1.
Detailed Description
The forest fire prevention monitoring and early warning system shown in fig. 1 comprises a plurality of wireless fire prevention monitoring terminals, a base station and a remote monitoring center. The wireless fireproof monitoring terminal is deployed in a forest area and monitors the air temperature of each monitoring point in the forest area. And the base station is in wireless communication with each wireless fireproof monitoring terminal and the remote monitoring center respectively. The wireless fireproof monitoring terminal collects the air temperature and then reports the air temperature to the base station, and the base station reports the received air temperature to the remote monitoring center to realize fireproof monitoring on each monitoring point.
In the industry, the level of forest fire risk is generally used for measuring the level of forest fire risk, and the higher the level of forest fire risk weather is, the more easily a fire occurs, so that the monitoring point is more sensitive to the temperature change of the monitoring point when the level of forest fire risk weather is higher. Therefore, in the embodiment, the temperature early warning threshold of the wireless fire monitoring terminal is set according to the forest fire risk weather grade, specifically, see the columns 1 and 2 in the following table, the higher the forest fire risk weather grade is, the more alert the temperature is when the temperature is slightly increased, and therefore the corresponding temperature early warning threshold is set to be lower. In order to ensure the timeliness of the air temperature of the monitoring point in the base station and the remote monitoring center, even if the air temperature does not exceed the air temperature early warning threshold, the wireless fireproof monitoring terminal still needs to report the air temperature regularly so as to update the data of the base station and the remote monitoring center. Since a fire is more likely to occur when the forest fire risk weather grade is higher, temperature change of a monitoring point with the forest fire risk weather grade is more concerned, and for this reason, the data reporting interval duration of the wireless fire monitoring terminal is also set according to the forest fire risk weather grade, specifically shown in tables 1 and 3, and the temperature change is more frequently concerned when the forest fire risk weather grade is higher, so that the corresponding data reporting interval duration is set to be shorter, that is, the data reporting frequency is higher. Assuming that the air temperature of a monitoring point is 25 degrees, if the forest fire risk weather grade of the monitoring point is calculated to be first grade, according to the following table, the corresponding air temperature early warning threshold value of 25 ℃ multiplied by (100% + 50%) is 37.5 ℃, and the corresponding data reporting interval time is 24 hours; if the forest fire risk weather grade of the monitoring point is calculated to be four levels, the monitoring point means that the fire risk is high, the monitoring point is more sensitive to the temperature change, if the monitoring point is alert at 37.5 ℃, the corresponding temperature early warning threshold value is 25 ℃ multiplied by (100% + 20%) and is 30 ℃ according to the following table, namely, the monitoring point is alert as soon as 30 ℃, the temperature change of the monitoring point is concerned more frequently, and the corresponding data reporting interval time is 6 hours.
In order to calculate the forest fire weather grade of each monitoring point, after the system is initialized, the base station informs each wireless fire monitoring terminal to acquire the air temperature of the monitoring point where the wireless fire monitoring terminal is located as one of the fire weather factors and transmits the fire weather factors back to the base station. The base station collects four fire weather factors, namely minimum relative humidity, rainfall in the early stage or the current day, continuous rainless days, maximum wind power level, and influence correction index of biological and non-biological weather seasons. After the base station acquires the five fire weather factors, the forest fire weather grade of each monitoring point is calculated according to the industry standard LYT1172-95 national forest fire weather grade, and then the forest fire weather grade of each monitoring point is sent to the corresponding wireless fireproof monitoring terminal.
The wireless fireproof monitoring terminal comprises a processor, a wireless transceiver module, a data acquisition module, a power management module and a storage battery, wherein the storage battery supplies power to other modules of the wireless fireproof monitoring terminal through the power management module, as shown in fig. 2. The wireless transceiving module receives the forest fire weather grade sent by the base station and then transmits the forest fire weather grade to the processor, and the processor determines an air temperature early warning threshold and data reporting interval duration according to the received forest fire weather grade.
And after the processor of the wireless fireproof monitoring terminal determines the temperature early warning threshold and the data reporting interval duration, the wireless fireproof monitoring terminal enters a low-power consumption monitoring mode. In the low power consumption monitoring mode, during the period of not reporting data, the processor is in low power consumption modes such as a sleep mode, a stop mode or a standby mode, and the wireless transceiver module is in a closed state. The data acquisition module comprises a temperature sensor and an early warning operation unit which are used as data acquisition units. The early warning operation unit can be a calculation unit with a calculation function, such as a single chip microcomputer. The temperature sensor collects the air temperature at regular time and transmits the air temperature to the early warning operation unit. And if the early warning operation unit judges that the received air temperature exceeds the air temperature early warning threshold value, the processor is awakened to start the wireless transceiver module, so that a fire warning signal is reported and the acquired air temperature is reported. And after receiving the fire early warning signal and the corresponding air temperature, the base station forwards the fire early warning signal and the corresponding air temperature to a remote monitoring center to inform relevant workers. If the early warning operation unit monitors that the time length of the air temperature which is not reported exceeds the data reporting interval time length, the processor is awakened so as to start the wireless transceiver module, and thus the air temperature which is collected at present is reported to the base station. Regardless of whether the wireless fireproof monitoring terminals report the air temperature due to the fact that the temperature exceeds the air temperature early warning threshold value or report the air temperature due to the fact that the time length of the air temperature which is not reported exceeds the data reporting interval time length, after the base station receives the new air temperature, the base station recalculates the forest fire danger weather grade of the monitoring point where the corresponding wireless fireproof monitoring terminal is located, and sends the forest fire danger weather grade to the wireless fireproof monitoring terminal so that the wireless fireproof monitoring terminal can determine the air temperature early warning threshold value and the data reporting interval time length again.
The method of the present invention may be implemented in whole or in part by constructing a framework of program modules, and controlling a computer system by computer program instructions stored on a computer-readable storage medium.
Claims (10)
1. A forest fire prevention monitoring terminal early warning method comprises the following steps: if the monitored air temperature exceeds the air temperature early warning threshold, reporting the collected air temperature, and the method is characterized by further comprising the step of generating the air temperature early warning threshold before the step of monitoring and early warning: and determining a temperature early warning threshold according to the fire risk degree of the current monitoring point, wherein the higher the fire risk is, the lower the temperature early warning threshold is.
2. The forest fire prevention monitoring terminal early warning method as claimed in claim 1, wherein before the temperature early warning threshold value generating step, the forest fire prevention monitoring terminal early warning method further comprises an information receiving step of: and receiving the fire risk of the current monitoring point sent by the base station.
3. The forest fire monitoring terminal early warning method as claimed in claim 2, wherein before the information receiving step, the method further comprises an air temperature reporting step: and collecting the air temperature of the current monitoring point and reporting the air temperature to the base station so that the base station can calculate the fire risk of the monitoring point.
4. The forest fire prevention monitoring terminal early warning method as claimed in claim 1, wherein: the monitoring and early warning step further comprises the following steps: and if the air temperature is not reported when the data reporting interval duration is exceeded, reporting the currently acquired air temperature to the base station.
5. The forest fire prevention monitoring terminal early warning method as claimed in claim 4, wherein: the data reporting interval duration is determined according to the fire risk degree of the current monitoring point, and the higher the fire risk is, the shorter the data reporting interval duration is.
6. A forest fire prevention base station early warning method comprises the following fire risk calculation steps: calculating corresponding fire risks according to the fire risk meteorological factors, and is characterized by further comprising a temperature early warning threshold value generation step: and sending the fire risk to the monitoring terminal so that the monitoring terminal can determine the temperature early warning threshold value according to the fire risk.
7. The forest fire prevention base station early warning method of claim 6, wherein: five fire risk meteorological factors are respectively correction indexes of air temperature, minimum relative humidity, precipitation and subsequent continuous precipitation-free days, maximum wind power grade and influence of biological and non-biological climatic seasons; and receiving the air temperature from the monitoring terminal, and/or automatically collecting the other four fire weather factors.
8. The forest fire prevention base station early warning method of claim 7, wherein: and if receiving the new air temperature sent by the monitoring terminal, re-executing the fire risk calculation step and the air temperature early warning threshold value generation step.
9. The utility model provides a forest fire prevention early warning system, includes basic station and a plurality of monitor terminal, adopts wireless communication between basic station and each monitor terminal, and monitor terminal data acquisition then reports data to the basic station, and the basic station reports its characterized in that to the data received: the monitoring terminal can execute the forest fire prevention monitoring terminal early warning method according to any one of claims 1 to 5, and the base station can execute the forest fire prevention base station early warning method according to any one of claims 6 to 8.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the program is executed by a processor to realize the forest fire monitoring terminal early warning method according to any one of claims 1 to 5 or the forest fire prevention base station early warning method according to any one of claims 6 to 8.
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| CN202010819274.9A CN112102575A (en) | 2020-08-14 | 2020-08-14 | Forest fire prevention monitoring terminal early warning method, base station early warning method, early warning system and storage medium |
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| CN202010819274.9A CN112102575A (en) | 2020-08-14 | 2020-08-14 | Forest fire prevention monitoring terminal early warning method, base station early warning method, early warning system and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110183A (en) * | 2023-04-12 | 2023-05-12 | 肥城市林业保护发展中心 | Forest fire prevention inspection system |
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| US20160127878A1 (en) * | 2014-10-30 | 2016-05-05 | International Business Machines Corporation | Distributed Sensor Network |
| CN107564228A (en) * | 2017-09-04 | 2018-01-09 | 安徽网网络科技有限公司 | Forest fire protection grade early warning system and its application method |
| CN109448295A (en) * | 2018-11-24 | 2019-03-08 | 石家庄市圣铭科技有限公司 | A kind of forest, grassland fireproofing prewarning monitoring system |
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2020
- 2020-08-14 CN CN202010819274.9A patent/CN112102575A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751755A (en) * | 2010-01-05 | 2010-06-23 | 重庆英卡电子有限公司 | Forest fireproofing early warning system |
| US20160127878A1 (en) * | 2014-10-30 | 2016-05-05 | International Business Machines Corporation | Distributed Sensor Network |
| CN104794845A (en) * | 2015-05-04 | 2015-07-22 | 安徽大学 | Forest fire alarming method based on fire danger rating forecast |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110183A (en) * | 2023-04-12 | 2023-05-12 | 肥城市林业保护发展中心 | Forest fire prevention inspection system |
| CN116110183B (en) * | 2023-04-12 | 2023-07-14 | 肥城市林业保护发展中心 | Forest fire prevention inspection system |
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