679 results about "Fire suppression system" patented technology

A fire suppression system includes an interface control module, and an interface module. The interface control module can activate a fire suppressant discharge system in response to receiving a fire detection signal. The interface module is connected with the interface control module and is connected with at least one of a first optical sensor and an interface expansion module. The interface expansion module is configured to connect with a second optical sensor. The first optical sensor and the second optical sensor are configured to detect a fire condition at an area of interest and provide the first detection signal to the interface control module in response to detecting the fire. The interface module includes light emitting devices corresponding to the first optical sensor and the interface expansion module, the light emitting devices configured to display different colors indicating a status of the first optical sensor and the interface expansion module.

A method of using a fire suppression system includes maintaining an inert atmosphere in a chamber; enclosing a pyrophoric workpiece in the chamber; sensing a chamber temperature within the chamber with a temperature sensor; sensing a chamber oxygen concentration within the chamber with an oxygen sensor; comparing the chamber temperature to a predetermined temperature and comparing the chamber oxygen concentration to a predetermined oxygen concentration; dispensing an antipyrophoric material onto the workpiece within the chamber if the chamber temperature meets or exceeds the predetermined temperature or if the chamber oxygen concentration meets or exceeds the predetermined oxygen concentration.

The present system provides an integrated fire suppression system that enables use of hybrid media fire-extinguishing systems and methods, and which includes all components in a single integrated control panel and cabinet, other than system piping to nozzles or emitters. The system enables the entire panel and cabinet to be inspected and analyzed, and installed, repaired, or maintained in a single operation, dramatically reducing time spent on site and reducing the qualifying process as well. The assembly of the panel is off-site, typically under the inspection of any qualifying agencies. Once assembled, the system can remain qualified for rapid installation at any future time, allowing easy replacement of faulty panels or consumables.

A method for testing a tunnel fire suppression system in the form of a water deluge system having a wet side and a dry side separated by a valve, includes the step of providing a nozzle arrangement comprising a plurality of nozzles, with each nozzle disposed in or coupled to an outlet of the water deluge system. The nozzle arrangement comprises, is coupled to or operatively associated with a sensor arrangement configured to measure the pressure of air at each of the plurality of outlets of the water deluge system and output one or more output signals indicative of the pressure of the air at the one or more outlets. The method includes providing a supply of pressurised air through the water deluge system using a blower coupled to the water deluge system. The method further includes measuring the pressure of the air at the one or more outlets of the water deluge system and outputting an output signal indicative of the pressure of the air at the one or more outlets, and conveying the output signal to a processing system configured to determine from said one or more output signals the flow rate of the air supply at the one or more outlets.

Provided is a battery module and battery rack having enhanced fire safety features. The battery module includes a swelling / pressure sensor that detects swelling of a battery cell. An output signal of the sensor is used to halt operation of a battery rack / battery system containing the battery module and prevent charging and discharging of the battery module. In an embodiment, the battery module uses an AC-to-AC power supply to provide AC frequency power for balancing battery cells of the battery module. In an embodiment, the battery rack includes an internal water fire suppression system that provides battery cooling in the event of a battery cell fire to prevent the spread and / or reigniting of the fire.

The invention relates to the technical field of computer vision, and discloses a flame recognition and fire extinguishing system for indoor fire fighting, comprising: a binocular infrared imaging module for acquiring a thermal imaging image; the monocular visible light imaging module is used for acquiring a visible light image; the infrared stereoscopic vision module is used for carrying out processing and feature extraction on the thermal imaging images, carrying out feature aggregation to obtain an aggregated feature map, carrying out parallax optimization on the aggregated feature map, and carrying out calculation according to a parallax optimization result to obtain depth information of the thermal imaging images at different visual angles; the multi-mode stereoscopic vision fusion module is used for fusing the thermal imaging image with the depth information and the visible light image; the flame identification and fire behavior prediction module is used for performing flame detection according to the fused image, predicting a bounding box, confidence and a category label of the flame in the fused image, and predicting a future diffusion position of the flame, a diffusion scale of the flame and a diffusion trend of the flame; and the self-adaptive water gun spraying control module controls the water gun to execute spraying operation.

An extinguishing system comprises: —at least one extinguishing agent sprayer (8) that is able to be rotated about a mounting axis (19) and is able to be pivoted about a pivot axis by means of at least one motor and is connected to an extinguishing agent line in order to be supplied with extinguishing agent, —at least one camera (7) that is able to be rotated at least about a mounting axis (17) by means of at least one motor (20), —an electronic controller (10) that comprises at least one storage unit (12) in which at least geometric basic data of the relevant area and / or data of the extinguishing agent sprayer (8) are stored so as to be able to be read, and a computer module (13) for data processing, —an input device, connected to the controller (10), for inputting data and / or for controlling the extinguishing agent sprayer (8) and the camera (7) and—a screen, connected to the controller (10), for displaying images from the camera (7). The mounting axis (17) of the camera (7) and the mounting axis (19) of the extinguishing agent sprayer (8) are oriented parallel to one another, and the optical axis (21) of the camera (7) is oriented at a defined starting angle with respect to the mounting axis (17), wherein the starting angle is stored in the storage unit (12).

A fire suppression system includes a delivery system that is configured to receive fire suppressant agent from a reservoir and provide the fire suppressant agent to an area at a flow rate, according to some embodiments. In some embodiments, the delivery system is further configured to provide a first quantity of fire suppressant agent to an area at a first flow rate during a first time interval. In some embodiments, the delivery system is further configured to provide a second quantity of fire suppressant agent to the area at a second flow rate during a second time interval. In some embodiments, the second flow rate is less than the first flow rate. In some embodiments, the first and the second quantity of fire suppressant agent are provided to the area via a nozzle.

The invention provides a perfluorohexanone active fire extinguishing system applied to an energy storage power station, and belongs to the technical field of active fire extinguishing systems, the perfluorohexanone active fire extinguishing system comprises a multi-mode composite detection array composed of a thermal imaging sensor, an air pressure sensor, a visible light camera and an ultraviolet light sensor, the multi-mode composite detection array is configured to collect temperature field data, air pressure data, visible light video streams and ultraviolet spectrum data in the energy storage battery cabin by a preset timestamp synchronization mechanism, and output four-mode original data streams to the thermal runaway micro-hotspot recognition engine and the like; early discovery, accurate positioning, fine release, true suppression and self-evolution full-closed-loop active fire extinguishing of the energy storage power station in the high-altitude extreme environment are achieved, and the safety, economical efficiency and long-term maintainability of the energy storage power station are remarkably improved.

An integrated fire suppression system includes a cabinet comprising a plurality of defined and isolated compartments; a fire alarm control panel mounted in the cabinet; a first walled compartment of the plurality of defined and isolated compartments, the first walled compartment comprising: a first door comprising a window and covering an opening to the first walled compartment; a gas solenoid electronically connected to the fire alarm control panel; a display electronically connected to the fire alarm control panel and visible through the window; a second walled compartment of the plurality of defined and isolated compartments, the second walled compartment positioned below the first walled compartment when the cabinet is positioned upright on a floor, the second walled compartment comprising a tank and a nozzle; and a gas line connected to the gas solenoid and extending out of the cabinet.

The invention relates to the technical field of fire safety, and discloses a heptafluoropropane fire detection tube fire extinguishing system with an internet of things intelligent monitoring function. The cross-modal physical field sensing module is used for collecting internal physical field data and external environment field data of a protected area in real time; the fire detection tube health assessment and adaptive scanning control module is used for receiving the internal physical field data to execute health state assessment; the cross-modal correlation interference discrimination module is used for receiving internal physical field data and external environment field data; the fire process evolution analysis and time-space association confirmation module is used for receiving data of potential fire events; a precise fire extinguishing strategy generation module; a precise targeted response execution module; and a remote situation awareness and monitoring interaction module. Through the combination of multi-source data verification, health state self-evaluation and accurate response, the problems that a traditional system is weak in anti-interference capacity and prone to false alarm and waste of a fire extinguishing agent are effectively solved, and the accuracy of fire detection and the high efficiency of fire extinguishing response are remarkably improved.

The invention discloses a liquid nitrogen fire extinguishing system and a control method thereof, and particularly belongs to the technical field of battery safety. The system comprises a composite detector, a micro nozzle, a rotary atomization nozzle, a wide-angle nozzle, a BMS, a monitoring host and a liquid nitrogen storage device. The composite detector is used for monitoring the thermal runaway fire intensity of the battery, and the monitoring host is used for controlling the sprayers at different positions and types to convey liquid nitrogen, so that the liquid nitrogen is sprayed out in different forms under different pressures, graded protection of fire at different fire intensities and positions is realized, and accurate release and accurate control of the liquid nitrogen are realized; thermal runaway diffusion is effectively inhibited, the purposes of rapid extinguishing of a battery fire and zero re-combustion are achieved, and the safety of a battery system is improved.

The invention discloses a self-adaptive multi-parameter lithium ion battery thermal runaway early warning method and system, and relates to the technical field of energy storage system safety monitoring. Multi-parameter collaborative acquisition is realized by deploying temperature, voltage, internal stress and gas sensors; de-noising the signal by adopting self-adaptive weighted moving average filtering, and dynamically adjusting the length of a filtering window according to local abrupt change; constructing a comprehensive feature vector, carrying out standardization and principal component analysis dimension reduction, and extracting a key risk factor; generating a time-varying risk score R (t) through dynamic weighted fusion; the early warning threshold is adaptively corrected by combining the current SOC and SOH, and a three-level grading response mechanism is established: the sampling frequency is increased by primary early warning, liquid cooling and current limiting are started by intermediate early warning, a main circuit is cut off by advanced early warning, and a fire extinguishing system is triggered, so that closed-loop safety protection from sensing to disposal is realized.

The invention particularly relates to a control method applying an unmanned aerial vehicle and based on multi-modal characteristics of a fire source, and relates to the technical field of fire safety. Acquiring multi-modal data of a fire source in real time; comprehensively estimating the heat power of the fire source; correcting combustion intensity; and quantitative calculation of fire extinguishing agent demand. An infrared imaging sensor, a visible light camera and a gas sensor array are integrated, a multi-mode fire source sensing system is constructed, the sensing limitation that a traditional fire extinguishing system only depends on single temperature or image is broken through, fire source temperature distribution, flame forms and combustion gas concentration changes can be comprehensively captured, and complete data support is provided for fire behavior judgment; the thermal power of a fire source is estimated in a fusion manner, a fuel type is combined to calibrate a correction coefficient, a differential quantitative calculation model is established according to liquid and solid fire extinguishing agents, fire disasters of different fuels such as wood, gasoline and plastic are adapted, and economy and fire extinguishing reliability are both considered.

In an open-loop heat removal system for a building such as a data center or a home, cool air is supplied to the building by a chilling unit and hot air is expelled from the building without recycling, recirculating, or re-cooling the hot air. For fire suppression, the system receives temperature reading(s) from temperature sensor(s) and determines whether any temperature reading reaches or exceeds a temperature that indicates presence of a fire. If so, a louver positioned over an inlet module is automatically or programmatically closed, shutting off air supply to the building. The system determines whether the building is under a negative pressure internally. If not, an exhaust fan at the outlet of the building is turned on to create a negative pressure internally. The system determines whether an oxygen level of the building indicates that the fire has been contained. If not, a sprinkler system is activated.

The invention provides a control method of a new energy vehicle charging and parking area automatic fire extinguishing system, the method is applied to a new energy vehicle parking space automatic fire extinguishing system, and the new energy vehicle parking space automatic fire extinguishing system is provided with a vehicle bottom fire detector and a fire extinguishing module at each parking space; the control method comprises the following steps: acquiring a detection signal acquired by a vehicle bottom fire detector of each parking space in real time; when it is judged that the detection signal is a fire detection signal, determining a parking space where a current fire is located, an alarm grade and a fire extinguishing strategy according to the fire detection signal; according to the alarm grade and the fire extinguishing strategy, linkage alarm is carried out, and the fire detection signal is converted into a corresponding fire extinguishing control signal; and according to the fire extinguishing control signal, controlling the fire extinguishing module of the parking space where the current fire is located to perform automatic zoning fire extinguishing. Precise fire monitoring and zoning fire extinguishing of the new energy vehicle parking space are achieved, the fire extinguishing efficiency and effect are improved, and the property safety of a vehicle owner and public equipment is ensured.

The disclosure is directed to a fire suppression system that includes all control components in a single integrated panel. It further contemplates and may include a chamber configured to maintain an interior inert atmosphere and to enclose and establish a nonflammable workspace for a pyrophoric workpiece. A temperature sensor may also be included and mounted proximate the workspace, along with an oxygen concentration sensor configured to detect an interior oxygen concentration of the atmosphere. The system also includes a dispenser configured to discharge an antipyrophoric granular material onto the workpiece responsive to automatic detection proximate the workpiece of at least one of a predetermined temperature and oxygen concentration. In variations, the chamber is configured as a glove box having viewing windows and a plurality of sealed glove ports positioned to enable user manipulation of the workpiece about the workspace.

The invention provides a fixed fire extinguishing system and method based on a closed cabin and a terminal. A fire behavior detection module sends out an automatic alarm signal or an active alarm module manually triggers an active alarm signal; a fire judgment module determines the closed state of the cabin door when judging that a fire occurs, and generates a linkage fire control signal; linkage fire extinguishing operation is executed on the closed cabin through the fire extinguishing control module; and after-combustion fire extinguishing operation is executed when the after-combustion fire extinguishing signal is triggered. The problems that in the prior art, a fixed fire extinguishing system of a closed cabin is insufficient in fire false alarm and fire re-combustion coping capacity are solved. The technical problem that a single detector is prone to triggering fire false alarm is solved through the logic design that the multiple detectors trigger alarm signals at the same time and determine the closed state of the cabin door, and the safety of the closed cabin is protected by positively responding to reburning fire through the linkage air-oil system and reburning monitoring.

The invention discloses an airport fire rescue multi-role cooperative training system based on a virtual reality technology, the system is composed of an airport emergency event evolution calculation center, a VR individual soldier fire extinguishing system, a fire-fighting vehicle driving fire extinguishing system and an emergency command system, the calculation center dynamically generates a high-precision fire scene and synchronizes the high-precision fire scene to each subsystem; the VR individual soldier system provides immersive operation and tactile feedback through the head-mounted device, the control handle and the somatosensory waistcoat; the fire-fighting vehicle driving system restores a cockpit and fire extinguishing equipment in a 1: 1 mode, and simulates real driving and operation logic; the emergency command system supports multi-department real-time monitoring, resource scheduling and instruction collaboration; through a training method of customizing scene parameters, dividing roles of fire fighters, drivers and commanders, and performing real-time data interaction and efficiency evaluation, the problems of high cost, limited scene, insufficient collaboration and the like in traditional airport fire-fighting training are solved; and an efficient cooperative training solution is provided for airport fire rescue workers.

A system for providing instructions directed to facilitating the completion of an aerial mission in an environment includes one or more sensors mounted on a vehicle; a transceiver configured to transmit an instruction directed to facilitating the completion of the mission to an electronic display; and a server comprising a processor coupled to memory of the vehicle containing processor-readable instructions. The instructions causing the processor to, responsive to receiving a factor associated with the mission, compute the instruction directed to facilitating the completion of the mission based on adjusting a cost function, the factor being at least one of a boundary condition of the cost function or a constraint of the cost function.

The invention relates to the technical field of nozzle fire extinguishing, in particular to an electric bicycle shed fire suppression system which comprises a temperature monitoring module, a fire source recognition module, a flame capturing module, a water spraying control module and a range adjusting module. According to the method, the temperature rise position is screened through synchronous temperature and position data, identification and marking are carried out in combination with a parking area and a charging area range, the risk of missing report of a fire source is avoided, flame continuous coordinates are recorded, a moving value is calculated to capture a flame deviation trend, and a deviation result and a nozzle coverage range are subjected to correlation judgment; water spraying control is only carried out in the coverage range and when the fire source deviates, dynamic association of coverage and the fire source is achieved by calculating the intersection area of the spraying range and the fire source range, the spraying angle is adjusted to complement the blind area when the area is insufficient, dynamic synchronization of the water spraying coverage range and the fire source state is formed, and the positioning accuracy and the response speed are improved. The local cooling capacity in fire treatment of the electric vehicle shed is enhanced, the flame spreading risk is reduced, and water sources are saved.

A fire detection and suppression system operates in independent autonomous modes or under human command. Optical, thermal and laser based sensors detect fire conditions. Anemometers and thermometers detect environmental conditions, allowing the system to adjust the flow of fluid from the system to the targeted flame or condition. Algorithmic analysis of the input data in connection with such preselected thresholds permits rapid detection of fire conditions and in automatic modes triggers a suppression response. A feedback loop enhances adjusts for dynamic flame and environmental conditions.

The invention belongs to the technical field of fire fighting, and particularly discloses a power conversion cabinet gas-liquid integrated fire extinguishing system which comprises a power conversion cabinet body, a detection module, an aerosol early-stage fire extinguishing module, a liquid fire extinguishing module, a management connection module and a fire fighting main pipeline, the fire fighting main pipeline communicates with a plurality of fire fighting branch pipelines, and the detection module comprises a thermosensitive wire. The battery replacement cabinet body is provided with a plurality of battery cabins, each battery cabin is internally provided with a fire-fighting branch pipeline, an aerosol early-stage fire extinguishing module and a partition starting valve, and the aerosol early-stage fire extinguishing module comprises an aerosol generating device and a feedback circuit. According to the gas-liquid integrated fire extinguishing system for the battery changing cabinet, the fire extinguishing effect is excellent, equipment protection is comprehensive, reliability is greatly improved, economical efficiency is good, and the technical problems that an existing fire extinguishing system for the battery changing cabinet is poor in fire extinguishing effect, large in equipment damage, inaccurate in fire detection, incapable of achieving zoning control, low in system reliability and the like are solved.

A liquid leakage detection and drainage system comprises a water retaining strip (1) which is arranged on a floor in a fire extinguishing system concentration area and forms a closed liquid accumulation area with the floor; the two leakage detection assemblies (2) comprise the upper leakage detection assembly (2B) and the lower leakage detection assembly (2A) and are arranged on the inner wall of the water retaining strip (1) in the vertical direction and parallel to a floor, the lower leakage detection assembly (2A) is arranged at the position where the water retaining strip (1) makes contact with the floor, and the upper leakage detection assembly (2B) is arranged at the position, away from the floor by the height (H), of the water retaining strip (1); a drainage rod (5); and the liquid discharge pipe (3) is arranged between the liquid accumulation area and the water discharge rod (5). The system is capable of collecting leaked liquid by using a water retaining strip, performing leakage detection by using a leakage detection assembly, and providing a combined alarm scheme according to allowable direct drainage flow during flight.

The utility model relates to the technical field of fire extinguishing devices, and discloses a multifunctional electrical fire alarm gas fire extinguishing system controller which comprises a shell and a base, a three-phase bus and a circuit element are arranged on the upper surface of the base, a temperature measuring frame is arranged on the outer surface of the three-phase bus, a hole is formed in the middle of the temperature measuring frame, and the temperature measuring frame is arranged in the hole. The three-phase bus passes through the hole and is connected with the temperature measuring frame; a temperature sensor is arranged in the temperature measuring frame, a fixed synapse is arranged in the hole, the fixed synapse is in circuit connection with the temperature sensor, a spring is arranged at one end, close to the hole, of the fixed synapse, and the fixed synapse is connected with the interior of the hole through the spring; the equipment solves the problems that in the prior art, when an electrical fire occurs, the three-phase bus joint in a fire extinguishing system controller is prone to overheating, so that the possibility of secondary explosion in the controller is caused, and potential safety hazards are greatly increased.

The invention relates to an underground substation compressed air foam fire extinguishing system and fire extinguishing method, and the underground substation compressed air foam fire extinguishing system is characterized in that the underground substation compressed air foam fire extinguishing system comprises a fire monitoring unit, a fire extinguishing control system, a compressed air foam generating unit, a compressed air foam releasing unit and a fire extinguishing standby input unit, a fire early warning signal is monitored and sent to the fire extinguishing control system, the fire extinguishing control system processes the received fire early warning signal and then outputs a control signal to the compressed air foam generating unit, and the compressed air foam releasing unit sprays compressed air foam to extinguish fire. An interface of the fire extinguishing standby input unit is arranged outside the underground transformer substation, and fire extinguishing and cooling are carried out on the interior of the transformer chamber by utilizing the fire extinguishing foam release unit through external fire fighting equipment. The system is matched with an underground transformer substation for use, can provide high-performance compressed air foam for fire extinguishing, and is quick in response and high and reliable in fire extinguishing efficiency.

A fire extinguishing system that includes an extinguishing cylinder, a plurality of mist nozzles, a plastic fire detection tube, a first hydraulic tank, a hydraulic jack, and a second hydraulic tank. When the plastic fire detection tube is exposed to fire, the system actuates the extinguishing mechanism and pressurized water is jetted out toward the fire and therefore the fire is put out.

A building fire risk assessment method, device, storage medium and equipment, which is based on the reliability of the fire water supply and automatic sprinkler system to predict the fire scale, comprising: establishing a building historical fire and fire brigade dispatch database; based on the classified and summarized data after data cleaning, establishing a two-dimensional curve of the fire brigade arrival time and the fire area for different building types according to whether the fire water supply and automatic sprinkler system is intact, and fitting to generate a fire area prediction empirical formula; establishing a real-time operation database of the fire water supply and automatic sprinkler system, establishing a reliability formula of the fire water supply and automatic sprinkler system, and judging the system integrity and the reliability value; generating building fire risk grade classification standards; collecting real-time data to obtain the building fire risk grade determination results, and generating a regional building fire risk map in real time. The application also provides a device, a computer readable storage medium and an electronic device for implementing the above method.

The utility model discloses a fan fire extinguishing system and wind power generation device, including detection module, fan module, fire extinguishing module and linkage component, detection module includes smog sensor and flame sensor, smog sensor is used for detecting smog concentration signal, flame sensor is used for detecting flame signal, and the linkage component is used for the linkage component. The flame signal is used for representing whether flames exist or not, the fan module is in communication connection with the detection module, the fan module adjusts the wind speed according to the smoke concentration signal, the fire extinguishing module is in communication connection with the detection module, and the fire extinguishing module is triggered to start fire extinguishing according to the flame signal. The linkage assembly is connected with the fire extinguishing module and the fan module, the linkage assembly is used for controlling the fan module to stop running when the fire extinguishing module starts to extinguish fire, according to the design, starting and stopping running of the fan module and the fire extinguishing module are reasonably controlled, the fire probability is reduced, and the fire extinguishing effect is guaranteed.

The application discloses a fire extinguishing system based on a water tank of a mine truck and a fire extinguishing control method. The system comprises a double-cavity water tank divided into a clean water cavity and a fire extinguishing agent cavity by a partition, a sensor group, a working condition data acquisition module, a proportional mixing module, a conveying pipeline, a water spraying component and a vehicle-mounted electronic control unit. The vehicle-mounted electronic control unit integrates a thermal accumulation pre-judgment algorithm, a temperature rise trend gradient algorithm and a multi-sensor confidence weighted fusion decision algorithm. The thermal accumulation risk is identified and a pre-warning or pre-cooling instruction is output before the temperature reaches a fire determination threshold. After the fire is confirmed, the proportional mixing module is controlled to dynamically adjust the mixing ratio of clean water and fire extinguishing agent according to the fire type, and the corresponding area nozzle is driven to implement zoned linkage and pulse jet fire extinguishing. The electric control valve and the mechanical emergency valve are arranged in parallel at the outlet of each cavity, and the fire extinguishing can be manually started when the electronic control fails.