386 results about "Fire suppression system" patented technology

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 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.

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.

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.

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.

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.

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.

An intelligent fire detection and automatic fire extinguishing device in an electric bicycle parking and charging place comprises three sets of management and fire extinguishing systems, firstly, a smoke sensor senses flames, and the flames are analyzed by an industrial computer and then are controlled to start a water pump; secondly, after the camera shoots flames, data are transmitted to the cloud platform, and people are informed of fire fighting; and thirdly, a mercury type automatic spray thrower is installed to automatically extinguish fire after sensing the temperature. The spraying system adopts double-way water supply of a fire-fighting pipe system and a water tank to ensure the supply of a water source, and ensures that fire extinguishing is not influenced under the condition that the fire-fighting pipe system breaks down. The intelligent fire detection and automatic fire extinguishing device is diversified in use and fire extinguishing modes, mechanical control and manual control are simultaneously carried out, double water sources are adopted for water supply, the fire extinguishing probability is greatly improved, and the device is suitable for wide application and popularization.

The invention provides a fire fighting truck integrated with double unmanned aerial vehicle sequential take-off systems and a control method thereof.The fire fighting truck comprises a chassis truck and a fire fighting carriage, a unit and a control system are installed in a cabin, a first unmanned aerial vehicle UAV1, a second unmanned aerial vehicle UAV2 and two lifting mechanisms are arranged, and sequential take-off of the unmanned aerial vehicles is controlled through logic of the control system; the unmanned aerial vehicle is provided with a spray pipe connected with a water hose, and the water hose is connected with the compressed air foam fire extinguishing system. According to the method, the collision risk among people, aircrafts and vehicles is fundamentally avoided through logic control, an environment pre-judgment mechanism is introduced, and initial condition safety of takeoff is ensured. And meanwhile, double independent lifting systems, high-capacity feeding, special power supply and cooperative flight control are deeply integrated, so that the fire fighting truck is transformed into a mobile operation base station with quick response, continuous combat and cluster control capabilities from a transportation platform, and machine-vehicle deep fusion and efficiency multiplication of the platform and equipment are realized.

The application relates to an indoor intelligent fire extinguishing robot and a chassis control method, which comprise a running system, a power supply system, a fire extinguishing system, a visual control system and a central controller; the running system is used for advancing, retreating and differential steering of the fire extinguishing robot; the power supply system is used for supplying power to the running system, the fire extinguishing system and the visual control system; the fire extinguishing system is used for extinguishing a fire source area; the visual control system is used for judging whether an obstacle can be normally passed when the robot runs, and if the obstacle cannot be normally passed, the local path needs to be re-planned to run to the fire disaster area, and the visual control system is used for identifying a fire source so that a fire extinguisher can be accurately sprayed to the fire source part; and the central controller is used for controlling the running system, the power supply system, the fire extinguishing system and the visual control system. The application has the advantages that rear wheel active steering and front wheel steering as an auxiliary are adopted, the differential steering has a small steering radius, and good steering stability is achieved.

The utility model discloses a fire extinguishing system of an AGV (Automatic Guided Vehicle) with an air bag cover, which is characterized in that a parking garage comprises parking spaces, a fire extinguishing system and an automobile, the fire extinguishing system comprises a fire early warning system and the AGV, the AGV comprises an AGV body, a fire extinguishing device, the air bag cover and a high-pressure gas generating device, and the fire extinguishing device comprises a fire extinguishing medium. The air bag car cover comprises a contraction body and an expansion body. When the fire hazard early warning system detects that an automobile in a certain parking space becomes a dangerous automobile with a fire hazard or a fire hazard, information is immediately sent to the AGV fire fighting truck, the AGV fire fighting truck immediately runs to a set position beside the dangerous automobile, the high-pressure gas generating device is started to work, and the high-pressure gas generating device is started. After being inflated, the contraction body pops up and is unfolded to form an expansion body for covering a dangerous automobile, and the fire extinguishing device extinguishes fire through a fire extinguishing medium; for a fire hazard in the parking garage, the parking garage has the three advantages of quick response, accurate positioning and covering for fire extinguishment.

A fire extinguishing system is provided, which includes: a housing having an opening; a movable door coupled to the housing to cover the opening; a hopper configured to store a fire extinguishing agent, the hopper having a hopper outlet; a movable gate coupled to the hopper to cover the hopper outlet; an expeller coupled to the hopper, the expeller having an expeller outlet; a fan coupled to the expeller; and a controller, the controller configured to activate a fire extinguishing sequence. The fire extinguishing sequence includes: moving the door to uncover the opening; moving the gate to uncover the hopper outlet; and activating the fan.

The application relates to a kind of energy storage power station battery fire extinguishing test platform and test method, and the innovation lies in that: test platform includes energy storage battery simulation cabin, gas fire extinguishing system, compressed air foam fire extinguishing system, fire linkage controller and data acquisition system, the data acquisition system is used to collect the temperature of energy storage battery simulation cabin, the flow and pressure of gas fire extinguishing system and compressed air foam fire extinguishing system, test method steps are, through gas fire extinguishing system or compressed air foam fire extinguishing system or by gas fire extinguishing system and compressed air foam fire extinguishing system cooperate to extinguish fire in energy storage battery simulation cabin, after extinguishing fire, the data acquisition system collects the parameters after extinguishing fire again and feeds back to fire linkage controller.The application simulates the complex situation of battery fire in energy storage battery cabin, has multiple fire extinguishing modes, and tests the fire extinguishing performance of different modes, which can provide support for the fire extinguishing technology research and development test of diversified energy storage power station energy storage battery.

The invention relates to a thermal runaway fire extinguishing system for a battery. The thermal runaway fire extinguishing system includes: a housing configured to accommodate a plurality of battery modules; a plurality of cooling channels located at an upper portion of the housing and a lower portion of the housing, and configured to receive a cooling liquid circulating through the plurality of cooling channels; a fire extinguishing unit fluidly connected to the cooling channel; and a controller. The controller is configured to determine whether thermal runaway has occurred in at least one of the battery modules, increase a flow rate of the coolant flowing into the battery module undergoing thermal runaway based on determining that thermal runaway has occurred, and / or control the fire extinguishing unit to direct a fire extinguishing agent stored in the fire extinguishing unit into the cooling passage.

The invention relates to the technical field of fire engineering, in particular to a fire water supply and fire extinguishing system which comprises a water supply unit, a fire extinguishing unit and a control unit. The water supply unit comprises a fire pool and a main water pump set, the input end of the main water pump set communicates with the fire pool through a water inlet pipe, and the output end communicates with the fire extinguishing unit through a main water supply pipeline. The fire extinguishing unit comprises at least one group of fire extinguishing assemblies, and the fire extinguishing assemblies communicate with the main water supply pipeline and are used for spraying fire extinguishing media to a fire area; the control unit comprises a controller, and the controller is electrically connected with the main water pump set and used for controlling starting, stopping and output pressure of the main water pump set. The water supply unit is further provided with a pressure stabilizing assembly which is connected between a water inlet pipe of the main water pump set and the main water supply pipeline in parallel. The pressure stabilizing assembly connected between the water inlet pipe of the main water pump set and the main water supply pipeline in parallel is additionally arranged on the water supply unit, the pressure of the main water supply pipeline can be maintained within the preset range in real time, and pressure fluctuation caused by starting and stopping of the main water pump set is effectively avoided.

The utility model relates to new energy automobile charging system charging alarm and automatic fire extinguishing device, including the charging shed, the charging shed is provided with respectively: spray fire extinguishing system, smoke alarm, passive infrared image sensor, charger and control module, due to the setting of spray fire extinguishing system, when the fire occurs in the charging shed, through the smoke alarm and passive infrared image sensor detect corresponding smoke concentration parameter and temperature change, can send the instruction to spray fire extinguishing system through control module, makes the pump body work, the water in solution tank is guided to the spray head, carries out the fire extinguishing, can be used in industrial production, has very strong practicality.

This utility model discloses an intelligent fire extinguishing system for switchgear, including a switchgear body, a drive chamber at the upper end of the switchgear body, a fire extinguishing chamber at the rear end of the switchgear body, and a fire extinguishing mechanism. The fire extinguishing mechanism includes a telescopic column, a fire extinguishing pipe, nozzles, a rotating drum, and a corrugated pipe. The fixed end of the telescopic column is fixedly connected to the right end of the top wall of the switchgear body, and the telescopic end of the telescopic column is fixedly connected to the right end of the upper surface of the fire extinguishing pipe. The fire extinguishing pipe has evenly distributed nozzles inside. The rotating drum is rotatably connected to the rear end of the switchgear body, and the front end of the rotating drum is connected to the left end of the fire extinguishing pipe through a corrugated pipe. A controller is provided at the front end of the drive chamber, and the input end of the controller is electrically connected to an external power source. This intelligent fire extinguishing system for switchgear can achieve precise fire extinguishing of the fire area, effectively improving the fire extinguishing efficiency of the intelligent fire extinguishing system for switchgear.

The invention discloses an efficient monitoring fireproof energy storage container which comprises an air suction unit, a container body, a plurality of battery clusters, a temperature control system and a control system. The battery clusters, the temperature control system and the control system are installed in the container body. A first temperature sensor and a smoke sensor are mounted in the battery cluster; the box body comprises a bottom plate and a top plate, a plurality of bearing tables are mounted at the bottom plate, and a plurality of first through holes and a plurality of top door units are arranged at the top plate; and a translation driving mechanism and a fire-fighting unit are mounted in the box body. The energy storage container disclosed by the invention can be used for processing a single battery cluster with abnormal temperature or fire. When the temperature is detected to be abnormal, the first fire extinguishing system can be started to inject a fire extinguishing agent, and then the second fire extinguishing system is started to spray water mist for continuous cooling and flame retarding, so that rapid fire extinguishing and cooling are realized. And gas generated by fire can be guided, so that other battery clusters are prevented from being influenced, and the overall safety of the energy storage container is further improved.

The invention relates to a station building type energy storage fire extinguishing system based on multi-level cooperative control and a control method thereof. The fire extinguishing system comprises a five-level cooperative architecture composed of a battery cell level, a PACK level, a station building level, a station level and a cloud level. The cell hierarchically monitors the temperature rise rate and voltage drop of the single battery in real time, and generates a thermal runaway early warning signal; after the PACK hierarchy is fused with multi-source data to confirm the risk, a local fire extinguishing device is started, and a direct-current contactor is disconnected; the station building level eliminates false alarms through multi-source information cross validation, a global fire extinguishing system is started, and a non-fire-fighting power supply is cut off; performing fault unit power zero clearing and power grid isolation by the station level; and the cloud level performs risk prediction based on historical data and guides preventive maintenance. According to the invention, thermal runaway early warning, accurate grading fire extinguishing, multi-system cooperative response and power grid safety isolation are realized through five-level cooperation, and the fire-fighting safety and operation reliability of the station building type energy storage power station are significantly improved.

This invention relates to the field of spacecraft fire prevention technology, and discloses a fire prevention and control system and extinguishing method for hypergravity environments. The system includes: a cabin with an external accelerometer and internal smoke detectors, temperature sensors, and flame image detectors; and an extinguishing system housed within the cabin and electrically connected to a controller. The controller controls the extinguishing system to extinguish fires and / or trigger alarms based on detection data from the accelerometer, smoke detector, temperature sensor, and flame image detector. This invention couples the accelerometer to the extinguishing system, allowing the controller to control the extinguishing system based on the hypergravity multiple of the cabin, particularly adjusting the spray pressure of the air curtain nozzles and jet nozzles. This enables the extinguishing system to adapt to hypergravity environments, solving the technical problems of inaccurate initial fire detection, delayed response, and low extinguishing efficiency in hypergravity environments.

An extinguishing system 100 of a battery module 200 includes an extinguishing agent 110, at least one unit 120, at least one sensor 130, at least one conducting element 140, and a control unit 300. Th

The invention relates to a transformer substation monitoring and early warning device which comprises a transformer substation body, ventilation openings are formed in the two oppositely-distributed side walls of the transformer substation body, the inner wall of the transformer substation body is slidably connected with a sealing plate capable of blocking the ventilation openings, and symmetrically-distributed top plates are fixed to the side walls of the sealing plate. Air pressure seats which are symmetrically distributed are fixed to the bottom of the transformer substation, air cavities are formed in the tops of the air pressure seats, the lower ends of the air pressure rods extend into the air cavities and are in sliding connection with the inner walls of the air cavities, and the air pressure seats are connected with fire extinguishing mechanisms; according to the device, ventilation opening sealing and a fire extinguishing system are organically combined, a complete fire prevention and control system is formed, effective control over fire in the transformer substation is ensured, the external environment is prevented from being threatened by the fire, and the safety protection capacity and the fire emergency response efficiency of the transformer substation are remarkably improved.

This invention discloses a fire extinguishing assembly and battery pack for fire suppression of battery cells, relating to the field of new energy battery technology. The fire extinguishing assembly for fire suppression of battery cells includes: a fire detection tube; connecting components arranged at both ends of the fire detection tube for connecting the fire detection tube to a refrigerant channel for conveying refrigerant; and a shield, fixedly connected to the fire detection tube, for shielding a portion of the outer peripheral wall of the fire detection tube so that the refrigerant inside the fire detection tube has a fixed spray direction after the fire detection tube ruptures. This fire extinguishing assembly and battery pack for fire suppression of battery cells can effectively solve the problems of delayed response and low refrigerant utilization in fire suppression systems.

The application discloses a high-rise building intelligent smoke suppression and precise fire extinguishing system and method, and relates to the technical field of high-rise building fire fighting. The system comprises a fire sensing unit, a smoke penetration imaging unit, a segmented pressure boosting water supply unit, a local smoke elimination and cooling unit, an intelligent control unit and a remote command terminal. The method realizes accurate identification of a fire source by collecting real-time temperature, smoke concentration and fire source position information of a high-rise building fire site, penetrating through smoke by using dual-spectrum imaging, ensuring stable high-rise fire extinguishing water supply by segmented pressure boosting, starting local smoke elimination and spraying to reduce smoke concentration and improve visibility, realizing accurate and directional spraying of the fire source, and realizing visual command through the remote terminal. The application solves the problems of high-rise building fire, such as large smoke, poor visibility, insufficient water supply pressure, inaccurate fire positioning and difficult rescue, and is suitable for fire prevention and control and emergency rescue of various high-rise buildings, and has high fire extinguishing efficiency, high safety and good practicability.

This invention discloses a method, equipment, and medium for safety protection and emergency response of a liquid nitrogen fire extinguishing system. The method includes deploying an environmental monitoring network, collecting temperature distribution data and smoke particle concentration, establishing a graded early warning threshold model, and when the temperature distribution data or smoke particle concentration data triggers a risk level, the central controller outputs an alarm signal of the corresponding level. Based on the alarm signal level, the central controller automatically activates the linked ventilation protection device and simultaneously triggers an emergency isolation procedure, recording environmental monitoring network data, alarm logs, and the operational status of rescue sub-equipment, generating a standardized handling record. This invention's system self-check response time is reduced by 70.6% compared to traditional systems, and the fault identification accuracy is improved by 23.1%. It solves the problems of low self-check efficiency, inaccurate fault identification, incomplete records, and inconvenient querying in traditional systems, providing complete data support for subsequent system maintenance, fault diagnosis, and technical optimization, and improving the system's practicality and maintainability.