8 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 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 application discloses a kind of strong adhesion high water-retention forest and prairie chitosan-based gel fire extinguishing agent and application thereof, belong to gel fire extinguishing agent technical field.The chitosan-based gel fire extinguishing agent provided in the application includes two components A and B, wherein component A is a mixture containing carboxymethyl chitosan-based compound, solid acid, preservative and water;Component B is a mixture containing water-retaining agent, crosslinking agent, inorganic filler, flame retardant and water.The chitosan-based gel fire extinguishing agent has the advantages of low component viscosity, high adhesion, strong water-retention, and the biological material used is biodegradable, making it have the advantage of green environmental protection.The gel fire extinguishing agent provided in the application can quickly and uniformly cover the surface of combustible materials in the form of gel at room temperature, has strong adhesion, can effectively avoid loss, and also has excellent fire extinguishing efficiency and anti-reignition ability, providing a new method for forest fire prevention, and has promotional value.

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.

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.