61 results about "Fire response" patented technology

The present disclosure provides a fire response control method and system for a lithium battery energy storage box, relating to the technical field of lithium batteries, which comprises: collecting battery compartment layout information of the lithium battery energy storage box; reading data of the lithium battery energy storage box to obtain real-time control data; laying out temperature collection devices through the battery compartment layout information; obtaining temperature data collection results; collecting historical detection data with time sequence identifiers; constructing a lithium battery feature data set of the lithium battery energy storage box; constructing an abnormality monitoring model; outputting abnormality warning level information; generating multi-level fire response control data; and managing the lithium battery energy storage box. The technical problem of inaccurate and timely fire warning of the lithium battery energy storage box and inability to avoid fire accidents in time due to the single and inaccurate setting of the warning threshold in the prior art is solved.

The invention discloses a performance-based fire-resistant design method for a cable system of a large-span suspension bridge. The method comprises the steps of bridge fire-resistant category division, fire intensity division, fire-resistant target determination, adverse fire scene determination, fire response calculation, fire-resistant checking calculation, fire-resistant protection and the like. The bridge fire-resistant category, the fire intensity, the fire-resistant performance and the fire-resistant target are all divided into three levels. The adverse fire scene is determined based on the fire type, fire combustion mode, fire position, wind speed and wind direction influence and combined with the structure stress state; fire response is calculated through thermal-mechanical coupling by adopting a finite element method; the fire-resistant checking calculation can adopt a design method based on overall structure fire-resistant checking calculation or component fire-resistant checking calculation; and when the fire-resistant checking calculation of each component of the cable system does not meet the fire-resistant target, fire-resistant protection design is carried out, and a fire-resistant protection scheme is designed by combining tests and numerical simulation. The fire-resistant design method based on the performance of the suspension bridge cable system is constructed, and reference can be provided for fire-resistant design of the suspension bridge.

The invention relates to the technical field of energy storage fire fighting, and discloses an energy storage three-level fire fighting response system and method based on temperature and smoke linkage, and the energy storage three-level fire fighting response method based on temperature and smoke linkage comprises the steps: collecting the operation data of an energy storage system in real time, respectively establishing and updating corresponding gas concentration base lines, temperature base lines and smoke base lines for different operation conditions; calculating a threatened gas index, temperature trend energy and a smoke abnormity index, and calculating a gas information modulation factor; calculating a comprehensive risk amount; performing three-level response judgment and executing an action; the risk attenuation rate is calculated, and self-correction is carried out; according to the method, continuous coverage of thermal runaway of the energy storage system from an early symptom to emergency disposal is realized through linkage fusion of temperature, smoke and threatened gas, risks can be identified in advance in a window period in which traditional temperature and smoke information is not obvious, a unified comprehensive risk quantity is taken as a judgment basis, missing report and false report of a single sensing quantity threshold value are reduced, and the safety of thermal runaway of the energy storage system is improved. And the timeliness and consistency of early warning are improved.

The invention provides a reinforced concrete member damage assessment method, system, equipment and medium, and belongs to the technical field of structural damage assessment, and the method comprises the steps: constructing a fire response feature knowledge base containing fire physical test data and simulation data of a reinforced concrete member, training the machine learning agent model by taking component design parameters and fire working condition parameters of the reinforced concrete component in the knowledge base as input parameters and taking post-fire component response data as output parameters to obtain a prediction model for predicting direct physical damage indexes of the post-fire reinforced concrete component; constructing a fire vulnerability curve representing the relationship between the failure probability and the fire intensity based on the prediction model; and receiving parameters of a to-be-evaluated component, and generating and outputting a damage evaluation result of the component based on the prediction model and the fire vulnerability curve. According to the invention, through data and model collaborative optimization, high-efficiency and accurate post-fire reinforced concrete member damage evaluation is realized.

Disclosed is a digital twin platform provision system for detecting and responding to a fire in an installation region of electrical equipment in a nuclear power plant, which includes: a digital twin build unit for building an initial digital twin by digitally modeling target objects including equipment and subsidiary materials related to fire outbreak and damage spread; an attribute information application unit for applying fire reactivity information received from an outside and serves as attribute information about fire outbreak and spread factors to the initial digital twin, thereby building a digital twin; and a simulation information provision unit for generating simulation information, which is information about fire outbreak prediction, fire spread simulation upon fire break, and fire response and evacuation scenarios upon the fire break, by using the digital twin according to a user input and outputting the simulation information to a user terminal.

The application discloses a reinforced concrete column fire response prediction method based on thermal boundary distortion similarity, and relates to the technical field of civil engineering structure fire resistance. In view of the problem that the existing scale model fire test needs to strictly meet the complete similarity of the thermal boundary, and the temperature rising rate of the model temperature curve is too high to be implemented in the test furnace, the distortion coefficient is introduced in the calculation of the scale model temperature field, the high-temperature real-time load ratio is taken as a unified mechanical response index, and the response mapping relationship between the prototype and the model is constructed. The distortion coefficient is determined through iterative calculation to make the high-temperature real-time load ratio prediction coefficient meet the preset error range, and the distortion coefficient is used to realize accurate prediction of the prototype fire response. The application does not pursue the complete similarity of the prototype and the model temperature field, but realizes equivalent mapping of the prototype and the model at the high-temperature mechanical response level by introducing the distortion coefficient, thereby significantly improving the engineering implementability of the scale model fire test and reducing the test cost.

A guide rail type fire extinguishing robot for fire response of a parking lot comprises a guide rail and a moving assembly moving along the guide rail, and an outer cover assembly is hoisted at the bottom of the moving assembly through a lifting part; the access structure is arranged on the outer cover assembly and communicates with the inner cavity of the outer cover assembly, the access structure can communicate with the water conveying assembly, the water conveying assembly conveys water into the inner cavity of the outer cover assembly, and a closed water curtain structure is formed in the gap between the bottom of the outer cover assembly and the ground; the lifting part drives the access structure to be in butt joint with the water conveying assembly through the transmission assembly. After fire fighting water enters the inner cavity of the outer cover assembly, the fire fighting water flows out from the edge of the inner cavity, a closed water curtain structure is formed in the gap between the outer cover assembly and the ground, connection between the outer cover assembly and the external environment is isolated to a certain degree, therefore, contact between external air and a vehicle on fire is cut off, fire extinguishing equipment such as a dry powder fire extinguisher is matched, and the fire extinguishing efficiency is improved.

The invention discloses an Internet of Things new energy vehicle parking space linkage fireproof alarm method and system, and relates to the technical field of Internet of Things, and the method comprises a binding step: responding to a binding request of a user mobile terminal, and setting a parking space fireproof device, a cloud service platform, a mobile control terminal and a property management system, a perfect fireproof alarm system is constructed, rapid triggering and multi-terminal synchronous notification of fire alarm are realized in combination with the binding relationship and alarm logic processing of a cloud service platform, and meanwhile, through automatic work order distribution and remote early warning of a property management system, whole-process closed-loop management from monitoring to processing is formed, and the management efficiency is improved. The system improves the fire response speed and processing efficiency, effectively solves the specific potential safety hazard of the parking space of the new energy vehicle, manages, visualizes and stores the fireproof alarm data and the corresponding analysis result, facilitates the realization of fireproof alarm management through Internet cloud management and control, and improves the intelligent level of fireproof alarm management.

A fire extinguishing system for a vehicle includes a suction-discharge pipe provided in a fire response space and equipped with a nozzle for spraying a fire-extinguishing fluid, a smoke detection pipe connected to the suction-discharge pipe through a valve to selectively communicate with the suction-discharge pipe, an air compressor that applies suction pressure to the smoke detection pipe, a smoke detector that detects smoke suctioned by the suction pressure through the smoke detection pipe, a controller that outputs, in a case where smoke is detected through the smoke detector, a control signal to supply the fire extinguishing fluid to the suction-discharge pipe so that the fire extinguishing fluid is sprayed through the nozzle into the fire response space, and a fire extinguishing fluid supply device provided to supply the fire extinguishing fluid to the suction-discharge pipe according to the control signal output from the controller.

This utility model discloses an ultra-high pressure fire pump for forest fire prevention, comprising a mobile frame with casters installed at each of the four corners of the frame's bottom. A pump body mounting frame is fixedly connected to the mobile frame, and a detachable pump body is mounted on the mounting frame. An internal combustion engine for use with the pump body is also mounted on the mounting frame, with a fuel tank mounted on top of the engine. A fixing frame is fixedly connected to the bottom of the pump body, and the fixing frame is fixedly connected to the mounting frame by bolts. This utility model, through the synergistic optimization of the casters, positioning mechanism, lifting components, and modular installation design, significantly improves the mobility, stability, and maintenance efficiency of the ultra-high pressure fire pump in forest fire prevention scenarios, providing reliable technical support for rapid fire response and ensuring the continuity of firefighting operations.

The present invention relates to a smart streetlight system for electric vehicle charging and fire response, and provides a system which comprises a lighting unit, a fire detection sensor unit, and an electric vehicle charging unit in a streetlight main body, and is integrally controlled by being connected through a wired / wireless network via an MCU device. The smart streetlight collects data from the fire detection sensor unit to determine whether a fire has occurred, generates fire occurrence information, and operates a fire suppression device on the basis of the fire occurrence information. The fire suppression device comprises a smothering fire extinguishing cover, which covers a parked electric vehicle to form a sealed space, thereby suppressing the fire or preventing the spread thereof. In addition, the smothering fire extinguishing cover comprises at least one openable emergency exit therein, and comprises a light-emitting body for indicating the position of the emergency exit to support safe escape of a user in an emergency situation. This design increases space utilization in urban environments through multifunctional roles of electric vehicle charging and fire response, and contributes to solving the problem of insufficient charging stations and the limitations of initial fire response. The present invention proposes a smart streetlight system that improves safety and efficiency in public places by simultaneously providing convenience in the use of electric vehicles and quickness of fire response.

This utility model discloses a rapid mixing device for gel fire extinguishing agents, belonging to the field of gel fire extinguishing agent processing technology. It aims to solve the following defects commonly found in existing technologies: First, when the demand on-site is large, after the gel fire extinguishing agent in the mixing device is used up, it needs to be left idle for a period of time for re-mixing. During this process, the device is idle, greatly affecting fire extinguishing efficiency and delaying fire response. Second, the stirring mechanism of traditional mixing devices is mostly a single stirring structure. In field or emergency scenarios, mixing takes a long time and is prone to uneven texture, making it difficult to ensure a continuous supply and quality stability of the gel fire extinguishing agent. The device includes a mobile integrated carrier frame, with a mounting plate fixed in the lower middle section. Stabilizing mechanisms are provided on both sides of the bottom of the mobile integrated carrier frame. Mixing tanks are installed on both sides of the middle section of the mounting plate, and alternating mixing mechanisms are jointly provided inside and outside the two mixing tanks.

This invention discloses a fire extinguishing device for a new energy vehicle charging parking space, belonging to the field of fire extinguishing devices. It includes two guiding mechanisms; a movable fire extinguishing mechanism is arranged between the two guiding mechanisms; the movable fire extinguishing mechanism includes a movable plate, a spray pipe is arranged on the lower surface of the movable plate, multiple spray heads are fixedly connected to the lower surface of the spray pipe, a shaft column is rotatably mounted on the upper surface of the movable plate via a rotating shaft, a gear is rotatably connected to the top of the shaft column via a rotating shaft, and a swing rod is rotatably connected to the bottom of the shaft column via a rotating shaft. It overcomes the drawbacks of traditional fixed-point spraying, relying on a sliding guiding structure to achieve flexible lateral displacement of the spray components. When the fire shifts, the spray position can be quickly adjusted, completely solving the problems of blind spots and easy fire spread, ensuring that the spray follows the fire wherever it occurs, greatly improving the timeliness and accuracy of fire response.

The invention relates to the field of electric power energy storage facilities, in particular to a polling fireproof device of an energy storage power station and a using method thereof.The polling fireproof device comprises a guide frame and a machine base, the machine base is transversely arranged below the guide frame in a sliding mode, a hanger rail is arranged above the guide frame, and wheel carriers extending into the hanger rail are arranged above the two ends of the guide frame; a rotating table for supporting the wheel carrier to rotate is fixed to the top side of the guide frame, and a lifting actuator for adjusting the supporting height of the wheel carrier is fixed to the interior of the rotating table. The device has the beneficial effects that through cooperative action of the wheel carrier and the rotating table, autonomous rail-crossing direction changing can be achieved, single-rail limitation is broken through, the problem that single-rail moving of traditional equipment is low in steering and moving speed is solved, and the fire response speed is increased; the swing frame is matched with the corrugated pipe to control the angle of the fire extinguishing nozzle, so that the nozzle can accurately adjust the orientation by virtue of the ball joint and the electric push rod, and a fire source area can be quickly covered without direct manual operation.

The utility model provides a battery management system and a battery pack thermal runaway fire-fighting device thereof. The battery pack thermal runaway fire-fighting device comprises a temperature sensor, a voltage sensor, a controller and a fire-fighting unit, the temperature sensor and the voltage sensor are welded on a circuit board in the battery pack; the temperature sensor and the voltage sensor are electrically connected with the controller. The controller is electrically connected with the fire-fighting unit; the controller is used for receiving a temperature signal of the temperature sensor and a voltage signal of the voltage sensor, and is also used for sending a first fire-fighting signal to the fire-fighting unit. The temperature sensor and the voltage sensor arranged in each battery pack are used for collecting the temperature and the voltage of each battery cell monomer, so that the identification and fire-fighting response efficiency of the thermal runaway condition of the battery pack is improved, the safety of the battery management energy storage system is further improved, the use of a fire-fighting assembly and a connecting wire harness is reduced, and the cost is reduced. The cost is reduced, and the space utilization rate, reliability and detection timeliness of the battery management system are improved.

This invention discloses an intelligent chemical fire response training system, relating to the field of fire emergency training technology. It includes a realistic physical model of a chemical facility; a fire physics simulation model module is equipped with flame and smoke injection modules based on the actual fire location within the chemical facility, used to simulate different types of fires by spraying flames and smoke and adjusting their size and concentration. By setting up modules such as a chemical facility physical model, a fire physics simulation model, fire extinguishing equipment, environmental monitoring, and fire extinguishing behavior monitoring, this invention simulates different types of fires on a realistic chemical facility physical model. Furthermore, by monitoring and analyzing the differences between firefighters' firefighting behavior and standard behavior, it identifies weaknesses in firefighters' firefighting actions and recommends targeted training for corresponding chemical fire scenarios, thereby improving training effectiveness.

This invention relates to the field of ship safety, specifically to a multimodal perception and UAV-assisted ship damage control and firefighting system. The system includes an intelligent perception network subsystem; a multimodal perception data stream acquisition subsystem; a central intelligent decision-making subsystem; a decision-making scheme generation and dynamic adjustment subsystem; a UAV-assisted firefighting subsystem; and a collaborative execution and data feedback system for fire response. This invention utilizes a data fusion engine to perform layered fusion of multi-dimensional perception data, integrating environmental parameters, images, videos, vibration signals, and other information. Combined with a digital twin baseline model of the ship's entire lifecycle, it can accurately determine the type, severity, core location of the fire source, and spread trend, clarify the protection priority and avoidance areas for critical equipment, and provide comprehensive and multi-dimensional data support for decision-making.

The invention discloses a method and a system for rapidly injecting a fire prevention and control preparation for an electrochemical energy storage battery. The method comprises the following steps: determining the fire occurrence of the electrochemical energy storage battery through a detection means, positioning the fire position, and evaluating the fire risk; a quick interface is implanted in a set point position of the shell of the battery accommodating body; connecting the corresponding sets of quick butt joint modules; the system enters a standby state after self-inspection; a matched injection mode is selected through the intelligent controller, the matched injection mode comprises an explosion mode, a sequential mode or a pulse mode, corresponding electromagnetic valves are driven to be opened according to set parameters, and directional and accurate injection of the prevention and control preparation is achieved; the fire extinguishing effect is evaluated in real time in the process, and injection parameters are dynamically adjusted by combining monitoring data; and after the fire is controlled, injection is stopped after confirmation, and system resetting is carried out. The problems that in the prior art, a prevention and control preparation is low in delivery efficiency, a systematic solution is lacked, the complex fire response capacity is weak, and the emergency response speed is low are solved.

The invention relates to the technical field of automatic fire alarm systems, in particular to a multi-point detection automatic fire alarm system for an offshore booster station. Comprising a fire detection module, an alarm module, a fan master control module and a fire extinguishing device, the fire detection modules are arranged in a plurality of preset measuring point areas in the offshore booster station and are used for collecting fire information; the alarm module is in butt joint with the fire detection module and is used for receiving the fire information, giving an alarm according to the fire information and generating feedback information; the fan main control module is in butt joint with the alarm module and the fire extinguishing device and is used for receiving the feedback information and transmitting the feedback information to the fire extinguishing device; the fire detection module comprises a point type smoke detector, a point type temperature detector and a thermosensitive detection starting line; according to the invention, the accuracy of the automatic fire alarm system in fire detection, the reliability of the system and the flexibility of fire response can be improved, the false alarm rate and the missing alarm rate are reduced, and early detection, timely alarm and effective response of the fire are realized.

The invention discloses a fire alarm processing method and device based on an engineering machinery vehicle and the engineering machinery vehicle, and the method comprises the steps: collecting the fire monitoring data of the engineering machinery vehicle, the fire monitoring data being used for representing the current fire condition information; determining a fire risk assessment index according to the fire monitoring data; and according to the fire risk assessment index, determining a corresponding emergency operation and executing the emergency operation. Thus, the timeliness and accuracy of fire discovery are improved, the fire response capacity of the engineering machinery vehicle is improved, the risks of whole vehicle burnout, heavy economic loss and even casualties caused by untimely fire control are reduced, and the reliability and safety of the engineering machinery vehicle are further improved.

The invention provides a building fire management method and device, electronic equipment and a storage medium, and relates to the technical field of fire safety. The method comprises the following steps: acquiring initial fire management information of a target building, and constructing a visual model corresponding to the target building in combination with a preset modeling algorithm; and acquiring real-time monitoring information of the target building, evaluating the current fire risk level of the target building in combination with a preset risk evaluation algorithm, and further determining the current fire management scheme of the target building in combination with a preset fire response strategy. According to the method, the visual model corresponding to the target building is constructed through the initial fire management information of the target building and the preset modeling algorithm, and the target building is monitored in real time, so that the risk condition of the target building is assessed through the preset risk assessment algorithm, and a response is made in combination with the preset fire response strategy; and real-time monitoring information, risk conditions and the like can be displayed on the visual model, so that scientificity, comprehensiveness and efficiency of heritage building fire management are improved.

This utility model relates to the field of prefabricated substation technology and discloses a fixed prefabricated substation with fire extinguishing function. It includes a fixed substation body, a fire extinguishing mechanism on the surface of the fixed substation body, an auxiliary fire extinguishing mechanism on one side of the fixed substation body, and a protective mechanism on top of the fixed substation body. The fire extinguishing mechanism includes a storage tank filled with carbon dioxide or heptafluoropropane. A solenoid valve is connected to the surface of the storage tank, a flexible hose is connected to the surface of the solenoid valve, and a first shunt pipe is connected to the surface of the flexible hose. A groove is formed on the surface of the fixed substation body, and a sliding block is fixed to the surface of the first shunt pipe, the sliding block being slidably connected to the groove surface. This fixed prefabricated substation with fire extinguishing function significantly improves the fire response capability of the fixed substation body through the fire extinguishing mechanism and the auxiliary fire extinguishing mechanism, and can also delay the spread of fire and improve equipment safety.

The application provides a reinforced concrete component damage evaluation method, system, device and medium, and belongs to the technical field of structural damage evaluation, and comprises the following steps: constructing a fire response characteristic knowledge base containing reinforced concrete component fire physical test data and simulation data; taking component design parameters and fire working condition parameters of the reinforced concrete component in the knowledge base as input parameters, taking post-fire component response data as output parameters, training a machine learning agent model, and obtaining a prediction model for predicting direct physical damage indexes of the reinforced concrete component after the fire; constructing a fire vulnerability curve representing the relationship between failure probability and fire intensity based on the prediction model; receiving parameters of a component to be evaluated, and generating and outputting damage evaluation results of the component based on the prediction model and the fire vulnerability curve. Through data and model collaborative optimization, efficient and accurate post-fire reinforced concrete component damage evaluation is realized.

The utility model relates to the technical field of fire extinguishers, in particular to a handlebar type fire extinguisher which comprises a handle, holding parts are detachably connected to the two ends of the handle, and fire extinguishers are placed on the inner sides of the holding parts; wherein the holding part is of a tubular structure with an opening in one end, a plurality of groove parts are arranged on the periphery of the holding part, the inner side faces of the groove parts abut against the fire extinguisher, and a push-out assembly for ejecting out the fire extinguisher is further arranged on the inner side of the holding part. When a sudden fire occurs in the vehicle driving process, a driver can quickly take down the fire extinguisher from the handlebar, so that quick and efficient fire extinguishing operation is realized. According to the design, the structure is simple, the fire extinguisher and the handlebar are integrated so that the fire extinguisher and the handlebar can serve as a holding part when not needed, extra vehicle space is not occupied, the safety of vehicle driving is remarkably improved, and a more convenient and effective fire response scheme is provided for a driver.

The invention discloses a battery box fire multi-stage response triggering method based on life segmentation, which comprises the following steps: S1, dividing the service life cycle of a battery box into N continuous stages according to the data accuracy attenuation characteristics of a plurality of sensors in the battery box; s2, configuring an independent fire response triggering strategy for each stage; s3, collecting multi-sensor data in real time, and identifying the current stage; and S4, fire response is executed based on the trigger strategy corresponding to the current stage. According to the invention, through service life segmentation and dynamic strategy adaptation, the risk of false alarm and missing alarm caused by sensor aging is significantly reduced, and the fire response accuracy is improved.

The invention relates to the technical field of energy storage management, in particular to a fire cooperative emergency control method and device applied to an energy storage management system and a medium, and the method comprises the steps: building a thermal-electric coupling model based on system parameters, and determining safety state references in different thermal runaway scenes; temperature and fire feature data are collected in real time through a multi-source sensor, and the actual fire risk state of the system is accurately recognized; and by comparing the deviation parameters of the actual state and the safety reference, analyzing and generating a cross-domain cooperation strategy of phase-change flame retardant and fire extinguishing agent injection, and finally realizing rapid suppression of thermal runaway and blocking of fire spreading through multi-device linkage control. According to the method, multi-physics field modeling and real-time data driving are fused, the problems of traditional monitoring lag, control isolation and the like are solved, the fire response speed and control precision are remarkably improved, and economical efficiency and engineering applicability are both achieved.

The invention discloses a guiding device arranged in a cable well, and belongs to the technical field of cable laying, the guiding device comprises a track, the track is fixedly arranged on the inner wall of the cable well, the track is slidably connected with a guiding vehicle, the guiding vehicle is fixedly connected with a supporting arm, the supporting arm is hinged with an outer frame, and the outer frame is fixedly connected with the cable well. A flexible constraint bag belt is arranged in the outer frame and is used for surrounding and constraining a cable; the outer frame is fixedly provided with a fireproof medium storage tank, and an inner cavity of the fireproof medium storage tank communicates with an inner cavity of the flexible constraint bag belt through a trigger valve. The whole restraint mechanism is driven to reach a specified position through the guide vehicle capable of moving on the track; the flexible constraint bag belt is responsible for holding a cable; the integrated fireproof medium storage tank and the trigger valve form an independent and rapid fire response system. According to the invention, fire prevention is integrated in the guide vehicle, early and in-situ response of a fire is realized, the fire is prevented from spreading along a cable, and the safety is improved.

The invention discloses a power plant internal fire detection method, system and device based on multi-source information and a medium, and belongs to the technical field of computer vision, and the method comprises the steps: collecting multi-source image data, constructing a field picture data set, carrying out data enhancement based on the field picture data set, and expanding a power plant targeted data set; the collected real image and the composite image are preprocessed, a preprocessed data set is labeled and aligned, and fire positioning is carried out; and constructing a double-trunk feature extraction network to perform feature fusion, performing target detection by using the fused features, and obtaining a final fire detection result based on a detection result. The detection precision is improved, the algorithm detection speed is increased, and the algorithm multi-source input fusion process is simplified; fire morphological data based on the field is generated through the customized GAN, the mixed data training model greatly improves the detection and recognition precision of flames and smog in equipment and power plant areas, an accident area is quickly positioned, and quick response to the fire is realized.

Provided are a method and apparatus for controlling a virtual object, and a device, a medium and a product, which belong to the technical field of computers. The method comprises: displaying a second virtual object in a virtual environment, wherein the second virtual object and a first virtual object belong to different factions (210); in response to a focus-fire request operation of the first virtual object for the second virtual object, synchronizing a focus-fire request to at least one teammate virtual object, wherein the at least one teammate virtual object and the first virtual object belong to a same faction (220); and after receiving focus-fire response information of the at least one teammate virtual object for the second virtual object, displaying a countdown control, wherein the countdown control is used for indicating the time remaining until a start moment of current focus fire (230). By means of performing requesting and responding, focus fire is realized, and thus the communication efficiency between users regarding focus fire is improved.

The utility model belongs to the technical field of fire safety inspection, concretely relates to a portable fire safety inspection device, including portable pole, the upper end fixedly connected with the inspection shell of portable pole, portable pole surface welds the reinforcing rib, the short right angle edge of reinforcing rib is welded with the inspection shell, the surface fixedly connected with the support ear of inspection shell, the lower end fixed mounting of support ear has servo motor, the output shaft rotationally connected with support ear of servo motor, the output shaft fixedly connected with screw rod of servo motor. The scheme can make the moving plate move through the deformation effect of spring, dynamically adjust the volume of the inspection shell, make the inspection shell can completely wrap the spray head, temperature detector and the like, ensure the adaptability of the use of the inspection shell, under the heating effect of the heating pipe, can carry out the fire response detection use to the spray head, temperature detector and the like.