22 results about "Forest steppe" patented technology

The application provides a forest and grassland fire early identification and positioning method based on infrared thermal imaging and visible light fusion, and belongs to the technical field of forest and grassland resource protection and ecological safety monitoring. The method comprises the following steps: synchronously collecting infrared and visible light images and recording the space-time information of a monitoring platform; performing pixel-level registration on the two images; extracting a thermal anomaly suspected area from the infrared image based on a dynamic background temperature field, and extracting a smoke suspected area from the visible light image based on color, texture and motion features; performing spatial correlation analysis on the suspected areas extracted from the two channels, and combining the area growth rate and temperature rise rate of continuous multiple frames to construct a fire evolution model to confirm a fire point; calculating the three-dimensional geographic coordinates of the fire point based on the photogrammetry collinear equation and a digital elevation model; and generating and outputting alarm information containing the three-dimensional coordinates and fire intensity. The application realizes early and accurate identification and positioning of forest and grassland fires, and significantly reduces the false alarm rate.

The application provides a kind of Internet of Things empowerment's unmanned plane global inspection data management method and system, it is related to fire danger monitoring technical field, the method includes: when determining as high fire danger grade, corresponding unmanned plane inspection task is generated according to the position and range of early warning area, unmanned plane inspection terminal is controlled from unmanned plane airport autonomous take-off, flies to target early warning area according to preset inspection route and real-time collection fire-related data, correlation analysis is carried out to inspection data, fire danger factor data and fire danger grade evaluation data, fire development trend is deduced through intelligent analysis algorithm, and inspection report and decision suggestion are generated.The application not only improves the accuracy and response efficiency of forest grassland fire danger early warning, but also realizes the whole-process response closed loop from fire danger monitoring and early warning to fire comprehensive analysis and disposal.

The invention relates to the technical field of natural resource protection and ecological system management, and discloses a method and a system for constructing a three-dimensional dynamic model of forest grass wet and waste areas based on digital twinning, and the method comprises the steps: obtaining multispectral image data and environment readings of forest, grassland, wetland and desert areas; performing feature data primary processing to obtain vegetation coverage information and environment variable data; performing species distribution boundary labeling to obtain a species distribution boundary; performing pattern correlation analysis to obtain a preliminary relation matrix; if the association strength of the water level parameter and the desertification parameter in the preliminary relation matrix is higher than a preset strength threshold value, calculating a correction coefficient of the water level parameter and the desertification parameter; carrying out weight balance to obtain a balance relation matrix; time sequence deviation detection and stability verification are carried out, and an ecological change simulation framework is determined. According to the method, comprehensive analysis of complex ecological systems such as forests, grasslands, wetlands and deserts can be realized, and dynamic monitoring and protection are carried out.

The invention relates to a forest steppe combustible moisture content detection method, and relates to the field of combustible moisture content detection.The forest steppe combustible moisture content detection method comprises the steps that a combustible sample to be detected is weighed and then put into a container, and the container is put into a high-low temperature test box; setting the temperature and humidity of a high-low temperature test box and the wind speed of an airflow generator; acquiring atmospheric humidity, atmospheric temperature and wind speed for recording weather elements; adding quantitative water into the container, and recording the volume of the added water and the hygrometer value of the combustible; dividing the collected data set into a training set, a verification set and a test set; calculating input parameters by using a neural network, and adjusting the input parameters to receive atmospheric temperature, humidity, wind speed and combustible humidity parameters as input; a training set is used for training a model, hyper-parameters of the model are adjusted through a verification set, an optimization algorithm is utilized, network weight is updated, an error between a predicted value and the actual moisture content is minimized, and the problem that the moisture content of the combustible is not accurately measured is solved.

The application discloses a forest and grassland fire smoke and fire point simultaneous detection method. The method obtains visible light and infrared band images of a target area, registers and synthesizes into multi-band synthetic data; the data is input into a pre-trained multi-modal smoke and fire simultaneous detection network for feature extraction, the network adopts a feature fidelity down-sampling module containing a fixed kernel low-pass filter and average pooling during down-sampling, and is combined with a cross-layer connected background suppression and smoke and fire focusing module, a multi-scale smoke and fire shape perception module and a smoke and fire space information rearrangement amplification module for joint processing; finally, according to the feature channel set, the smoke and the fire point area are respectively located, and a fire monitoring distribution map is generated by superposition. The application realizes the simultaneous detection and mutual verification of multi-modal features of smoke and fire, effectively overcomes the loss problem of small fire points and smoke plume details, and improves the accuracy of early fire warning.

The application relates to a forest and grassland fire risk intelligent early warning method, system, device and medium. The method comprises the following steps: acquiring meteorological data and combustible moisture content and other multi-source heterogeneous data of a target area; extracting and fusing meteorological features, terrain features and vegetation features to form fire risk feature data; performing grid processing and weighted calculation on the feature data to obtain a real-time fire risk index and perform grade mapping, and combining historical data and weather forecasts to perform timing prediction to obtain a future fire risk grade; automatically identifying a high-risk area based on an evaluation result to generate an analysis report containing risk distribution and prevention measure suggestions; and matching an early warning template according to an analysis result to push precise early warning information to relevant areas and objects. The method can effectively solve the problems of insufficient data fusion, prediction lag and extensive early warning in the traditional early warning mode through multi-source data deep fusion, dynamic evaluation and intelligent analysis, and improve the active prevention capability of forest and grassland fires.

The application provides a forest and grassland fire ground-air cooperative fire extinguishing efficiency evaluation method and system, wherein the method comprises the following steps: acquiring an influence factor system related to ground-air cooperative fire extinguishing evaluation; constructing a scale experiment system based on the influence factor system and obtaining a mapping relationship between prototype parameters and scale parameters; acquiring a range of scale experiment parameters based on the mapping relationship and multiple level grades of the influence factors; obtaining multiple experiment parameter combinations based on the range of the scale experiment parameters; acquiring sensor data through ground-air cooperative fire extinguishing scale experiments based on the multiple experiment parameter combinations; obtaining multiple key data of each experiment parameter combination based on the sensor data; obtaining fire extinguishing efficiency values corresponding to each experiment parameter combination based on the multiple key data; and obtaining optimal ground-air cooperative fire extinguishing parameter combinations under different fire scenes based on the fire extinguishing efficiency values, which improves the standardization, scientificity and universality of fire extinguishing efficiency evaluation and provides reliable technical support for efficient disposal of forest and grassland fires.

The invention provides an Internet of Things enabled unmanned aerial vehicle global inspection data management method and system, and relates to the technical field of fire danger monitoring, and the method comprises the steps: generating a corresponding unmanned aerial vehicle inspection task according to the position and range of an early warning region when a high fire danger level is determined, and controlling an unmanned aerial vehicle inspection terminal to autonomously take off from an unmanned aerial vehicle airport, and flying to a target early warning area according to a preset inspection route and collecting fire related data in real time, performing association analysis on the inspection data, the fire factor data and the fire level evaluation data, deducing a fire development trend through an intelligent analysis algorithm, and generating an inspection report and a decision suggestion. According to the invention, the accuracy and response efficiency of forest grassland fire early warning are improved, and a whole-process response closed loop from fire monitoring and early warning to comprehensive fire research and judgment treatment is realized.

The application discloses a forest and grassland fire prevention comprehensive analysis and judgment monitoring and early warning method and related equipment. The method comprises the following steps: acquiring monitoring plan preset information and specific monitoring point information to perform monitoring; based on a monitoring standard database and a weight strategy, real-time analysis and judgment are performed, and monitoring and weighted data are written into a monitoring plan log; the monitoring standard database is determined based on sensor information and remote sensing data source data; the monitoring plan log is acquired in real time, the weighted values in the monitoring data of the monitoring points meeting the plan log are grouped and summed, and are sorted in descending order to determine a fire prevention key monitoring area. The method can solve the problems that the early fire point state cannot be captured, the best fire extinguishing opportunity may be missed, a single remote sensing data needs to be interpreted and analyzed by professionals, needs to be judged by professionals, there is a risk of misjudgment, the monitoring range is limited, the influence of the terrain is large, and complete fire characteristics and environmental background cannot be provided.

The invention provides a forest steppe fire ground-air cooperative fire extinguishing efficiency evaluation method and system, and the method comprises the steps: obtaining an influence factor system related to ground-air cooperative fire extinguishing evaluation; constructing a reduced scale experiment system based on the influence factor system, obtaining a mapping relation between the prototype parameters and reduced scale parameters, and obtaining a range of the reduced scale experiment parameters based on the mapping relation and the plurality of level grades of the influence factors; obtaining a plurality of experimental parameter combinations based on the range of the reduced scale experimental parameters, and performing a ground-air cooperative fire extinguishing reduced scale experiment based on the plurality of experimental parameter combinations to obtain sensor data; obtaining a plurality of key data of each experimental parameter combination based on the sensor data, and obtaining a fire extinguishing efficiency value corresponding to each experimental parameter combination based on the plurality of key data; the optimal ground-air cooperative fire extinguishing parameter combination in different fire scenes is obtained based on the fire extinguishing efficiency value, standardization, scientificity and universality of fire extinguishing efficiency evaluation are improved, and reliable technical support is provided for efficient treatment of forest steppe fire.

The embodiment of the utility model provides a forest grassland fireproof flame-retardant device which comprises a barrel-shaped telescopic firewall, and the barrel-shaped telescopic firewall comprises annular supporting frameworks, a first flexible connecting assembly, a first ground fixing assembly, first fireproof cloth, second fireproof cloth and third fireproof cloth. The fire-proof and flame-retardant device for the forest and the grassland can form a plurality of liftable independent supporting positions with the ground, and the contact area between the bottom of the annular supporting framework and the ground is small, so that the fire-proof and flame-retardant device for the forest and the grassland is easy to adapt to uneven ground environments such as grassland, dunes, deserts, bushes and forest lands, and good support is formed with the ground. Two fire extinguishing modes of suffocation and blocking are adopted for fire prevention and flame retardance, and fire prevention and flame retardance can be efficiently achieved. Due to the fact that the barrel-shaped telescopic firewall is light in weight, small in size and foldable, the firewall can be carried by a single soldier and can be rapidly erected, moved and recycled, and the fireproof and flame-retardant effects of the forest steppe fireproof and flame-retardant device are effectively improved.

The invention discloses a lightning stroke forest fire risk zoning method fused with a soil moisture factor, and relates to the field of forest fire prevention and control and geographic information application cross technology, and the method comprises the steps: multi-source data collection and preprocessing, soil moisture factor quantification and grading, dynamic weight calculation model construction, and comprehensive risk calculation and zoning. And real-time updating and early warning are carried out. Compared with the prior art, the method has the advantages that a complete lightning stroke forest fire risk zoning system is built, the three technical difficulties of a soil moisture factor quantification method, a dynamic weight adaptive algorithm and multi-source data real-time fusion are mainly broken through, and it is ensured that the zoning result is highly matched with the actual risk; the method is suitable for various forest areas with high lightning stroke incidence, inflammable vegetation and clear dry and wet seasons, can accurately divide the risk levels of forest fires caused by lightning strokes under different time-space dimensions, and provides scientific data support and technical guarantee for forest steppe fire prevention and extinguishing command decision, resource allocation and prevention and control measure deployment.

This invention relates to the field of fire alarm technology, and discloses a method, device, equipment, and storage medium for alarming weak forest and grassland fires. It calculates the instantaneous ground surface temperature baseline field, reads the thermal infrared spectral data of the target satellite image, inverts to obtain the first instantaneous ground surface temperature field, converts it into the second instantaneous ground surface temperature field, calculates the sub-pixel thermal increment image, and uses the first and second band images from the target satellite image to perform false-color image synthesis to generate a weak forest and grassland fire alarm signal. Therefore, it proposes a method for rapidly identifying initial and small forest and grassland fires using thermal radiation increment images. By constructing a ground instantaneous thermal radiation brightness temperature baseline field synchronized with remote sensing, and reconstructing the sub-pixel thermal increment image, based on the thermal increment abruptness characteristics and the thermal steady-state characteristics of the forest and grassland distribution area, it characterizes and identifies early forest fires, effectively improving the monitoring efficiency and accuracy of fire points and enhancing the technological level of forest fire monitoring.

The invention provides a field water source device for forest steppe fire suppression. The field water source device is suitable for areas without natural water sources or with limited water supply conditions. The device is arranged along the height difference of a mountain and comprises a condensing tower, a heat conduction agent circulating system, a multi-stage heat exchange area, a water diversion structure, an underground floating roof water storage tank, an energy supply control system and a fire pump station. And the heat conduction agent exchanges heat with air in each stage of heat exchange area to promote water vapor condensation, and is guided into the low-level water storage tank through the diversion canal. The water storage tank is provided with a floating roof structure, a heat preservation system and a sediment cleaning function, and has the capacity of automatically supplementing water to the high-level water tank. The control system can dispatch operation modes according to parameters such as temperature and water level, and intelligent switching of condensation, heat preservation and fire-fighting water supply is achieved. The device is modularized in structure, adapts to various terrains and has the continuous water supply and emergency fire extinguishing capacity.

The utility model relates to forest and steppe fire prevention technical field, concretely is forest and steppe fire prevention isolation belt automatic sprinkler, including sprinkling mechanism, and the sprinkling mechanism includes base and riser, and the riser top is equipped with a plurality of spray heads, and the periphery of riser bottom is equipped with the guide sleeve, and the guide sleeve is equipped with the movable sleeve pipe, and the base is provided with the opening and closing mechanism, and the opening and closing mechanism includes fixed base and a plurality of gear, and the movable sleeve pipe is provided with a plurality of gear slots, and the gear is engaged with the gear slot. The forest and steppe fire prevention isolation belt automatic sprinkler, the movable sleeve pipe set up can be along the riser axial movement, when the device does not work, the movable sleeve pipe moves up and abuts with the end plate, can store the spray head in the movable sleeve pipe, forms effective protection to the spray head, reduces the influence of sand, sunshine, animal and other factors in the forest and steppe outdoor environment to the spray head, guarantees the normal use of spray head when needing work.

The utility model discloses a wild animal monitoring camera, which belongs to the technical field of wild animal monitoring, and comprises a camera body, a protective shell, a connecting assembly, a contact switch, a buzzer and a battery, the protective shell is sleeved on the outer side of the camera body, the connecting assembly is arranged between the protective shell and the camera body, the inner side wall of the protective shell is provided with a first chute, and the contact switch is arranged in the first chute. One side of the contact switch is inserted into the first sliding groove and slides along the first sliding groove, the other side of the contact switch makes contact with the side wall of the camera body, the two buzzers are installed at the upper end and the lower end of the protective shell respectively, a battery bin is formed in the outer side wall of the protective shell, the battery is inserted into the battery bin, and the contact switch, the buzzers and the battery are electrically connected. According to the wild animal monitoring camera, the camera body is prevented from being damaged by external impact or environmental erosion, the service life of the whole device is prolonged, and the wild animal monitoring camera is suitable for complex field monitoring scenes such as forests and grasslands.

1. Name of the product in this design: Forced Dual Cooling Forest Fire Pump (High Lift V300U). 2. Intended use of this design: for firefighting in forests and grasslands and for transporting other cleaning liquids. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: 3D rendering 2. 5. The design for which protection is sought includes color.

The utility model relates to the technical field of investigation quadrat frames, in particular to a modularized forest steppe investigation quadrat frame which comprises a main frame rod, an extension arm, a fixed ground thorn, a telescopic rod and a picture acquisition mechanism. The four groups of main frame rods are arranged, a sampling pool is formed among the four groups of main frame rods, the four groups of main frame rods are uniformly distributed in the centers of four sides of the sampling pool, extension arms sleeve two ends of each of the four groups of main frame rods, a first connector is arranged at the top of one end, far away from the main frame rod, of one group of extension arms, and a second connector is arranged at the bottom of one end, far away from the main frame rod, of the other group of extension arms; a fixed ground thorn is arranged at the lower end of the second connector; according to the utility model, through the modular design of the four groups of main frame rods and the extension arms at the two ends of the main frame rods, the size of the sampling pool can be flexibly adjusted so as to adapt to different sampling requirements, and during transportation, the extension arms can slide inwards along the sliding rails, so that the main frame rods are completely accommodated in the accommodating cavities, and the volume of the quadrat frame is greatly reduced.

The invention provides an integrated comprehensive monitoring station based on multi-dimensional fire factor perception, and relates to the technical field of forest and grassland fire control, and the integrated comprehensive monitoring station comprises a front-end perception unit and a system management unit. The front-end sensing unit comprises at least two of a soil environment monitoring module, a surface litter monitoring module, a vegetation phenology monitoring module and an atmospheric environment monitoring module; the system management unit comprises an edge computing gateway; and the edge computing gateway is connected with each monitoring module in the front-end sensing unit and is used for carrying out fusion evaluation based on monitoring data output by each monitoring module. According to the integrated comprehensive monitoring station provided by the invention, multi-dimensional fire factor sensing and intelligent fusion evaluation capabilities are integrated and deployed in a monitoring site, so that the fire monitoring accuracy is improved; data fusion and intelligent evaluation are completed locally through the edge computing gateway, the time delay from data acquisition to early warning release is greatly shortened, and the timeliness and accuracy of fire early warning are remarkably improved.

The invention belongs to the technical field of fire extinguishing agents, and particularly provides a water-based flame-retardant fire extinguishing agent special for forests and grassland as well as a preparation method and application of the water-based flame-retardant fire extinguishing agent. The water-based flame-retardant fire extinguishing agent comprises the following raw materials: 0.1-1 part of a water-soluble polymer additive, 30-60 parts of phosphate, 5-15 parts of a free radical trapping agent, 2-5 parts of a penetrant, 10-30 parts of modified volcanic soil, 2-10 parts of a flame-retardant additive, 20-30 parts of deionized water and 70-192 parts of a porous material. According to the water-based flame-retardant fire extinguishing agent, harmful components containing fluorine, heavy metal and the like are abandoned, ecological pollution is avoided in the whole process from use to residue, the core problems of difficult water saving, poor effect, heavy pollution and low efficiency of traditional forest and grassland fire control are solved, the integrated target of flame retardance, fire extinguishing and ecological restoration is synchronously achieved, and the water-based flame-retardant fire extinguishing agent is suitable for large-scale popularization and application. And efficient, environment-friendly, stable and lasting technical support is provided for forest and grassland in shortage of water resources such as mountainous areas and arid areas.

To provide a forest and grassland fire prevention system for efficiently laying and recovering fire protection fabrics in the event of a forest and grassland fire. [Solution] The forest and grassland fire protection system combines a stretchable fire-resistant fabric (1) with a fire-resistant fabric laying vehicle (3) that quickly deploys and retrieves it, enabling efficient construction of a fire wall at the scene of a fire. Furthermore, deployment can be performed by a driver and an assistant, or retrieved by a single driver, improving work efficiency. Furthermore, by ensuring that the bottom of the fire-resistant fabric (1) adheres to the ground, fire is prevented from passing underneath the fabric, improving its performance as a fire wall. The first and third protrusions (21 and 23) of the support (2), the holes (13 and 14) in the fire-resistant fabric (1), and the engaging portions (521 and 522) of the guide member (4) work together to firmly secure the fire-resistant fabric (1) to the ground, enabling rapid deployment and retrieval.