17results about How to "Rapid isolation" patented technology

This utility model discloses a tunnel fire-fighting foam liquid filling system, belonging to the field of fire-fighting equipment technology. It includes several fire boxes, a foam liquid filling vehicle, and a monitoring center. Both the fire boxes and the foam liquid filling vehicle are networked with the monitoring center to achieve data exchange. Specifically, each fire box contains a foam liquid storage tank and a first control device. The foam liquid storage tank is equipped with a first liquid level sensor, a solenoid valve, a variable frequency delivery pump, and a first flow meter. A flow regulating valve and a second flow meter are installed on the pressure water pipe. All components are connected to the first control device. The foam liquid filling vehicle contains a foam liquid storage tank, a variable frequency high-pressure pump, a battery, a third flow meter, and a second control device. Both the first and second control devices are connected to the monitoring center. This utility model provides a highly efficient, intelligent, and easy-to-maintain tunnel fire-fighting foam liquid filling system.

This utility model discloses a cooling device for precipitation of phenylhydrazine hydrochloride mother liquor, comprising a refrigeration compressor, an oil separator fixedly connected to the output end of the refrigeration compressor, an evaporative condenser fixedly connected to the main outlet of the oil separator, an auxiliary ammonia storage tank fixedly connected to the outlet of the evaporative condenser via a first pipeline, an ammonia tank fixedly connected to the outlet of the auxiliary ammonia storage tank via a second pipeline, a shut-off valve installed at the connection between the ammonia tank and the second pipeline, and a thin-film evaporator fixedly connected to the outlet of the ammonia tank via a third pipeline. The main outlet of the thin-film evaporator is fixedly connected to a brine tank. Through the above structure, a buffer system is formed by the interlocking of the ammonia tank, the auxiliary ammonia storage tank, and the double shut-off valves, which can quickly isolate the ammonia source in case of emergency shutdown. In addition, the use of a closed-loop system with a low-temperature brine medium can effectively reduce energy consumption, thereby preventing the waste of cooling capacity caused by intermittent production.

This utility model discloses a movable and angle-adjustable partition, comprising: a box body, a lifting partition, and a sliding partition. The top of the box body has two limiting grooves. The outer wall of the lifting partition has two rotating members, and the inner side of each rotating member has a first pulley. The sliding partition has two fixing members on opposite outer walls, and the inner wall of each fixing member has a second pulley. The inner walls of opposite inner walls of the box body have multiple first slots symmetrically arranged, and the inner walls of opposite inner walls of the box body have multiple second slots. One side of the lifting partition has four first sleeves, and the inner wall of each first sleeve has a first pin. One side of the sliding partition has two second sleeves, and the inner wall of each second sleeve has a second pin. Through the free adjustment of the sliding partition and the lifting partition, the internal space of the box can be flexibly adjusted according to the size and quantity of the loaded items, and the storage needs of different types of items can be met.

This invention discloses an anti-burning foam fire extinguishing agent for lithium batteries and its preparation method, relating to the field of fire extinguishing agent technology. The anti-burning foam fire extinguishing agent for lithium batteries prepared by this invention mainly comprises a foaming agent system, a foam stabilizer, and a heat-absorbing material. The foaming agent system contains sodium perfluorocrown ether sulfonate, the foam stabilizer is modified silica, and the heat-absorbing material contains modified microcapsules. The anti-burning foam fire extinguishing agent for lithium batteries prepared by this invention exhibits good foam stability and fire extinguishing performance.

This application provides a flight device, comprising: a fuselage; and an energy storage component disposed outside the fuselage, the energy storage component including a connecting mechanism and a battery, the connecting mechanism being mounted on the fuselage; the connecting mechanism having a locked state and an unlocked state, the connecting mechanism being configured to switch between the locked state and the unlocked state, in the locked state the connecting mechanism being connected to the battery, and in the unlocked state the connecting mechanism being disengaged from the battery, thereby detaching the battery from the fuselage. With this configuration, in emergency situations such as battery spontaneous combustion, the connecting mechanism can switch to the unlocked state. Since both the connecting mechanism and the battery are located outside the fuselage, the interior of the fuselage can be effectively isolated from fire sources, while the battery can be quickly jettisoned.

This invention relates to the field of home kitchen technology and discloses a modular energy storage battery device with multi-dimensional safety protection. The device includes a cabinet, a multi-dimensional safety protection system, a multi-parameter all-domain intelligent monitoring unit, and a hierarchical linkage monitoring and control system. The cabinet is the basic unit of the energy storage device, realizing energy storage and release through core components such as battery modules, a battery management system (BMS), and a thermal management system. One end and one side of the cabinet are rotatably connected to cabinet doors. By adopting a standardized pull-out battery module compartment structure, coupled with handles, guide rails, and quick-connect liquid cooling and electrical interfaces, a single module compartment can be quickly disassembled and assembled without tools, significantly shortening module replacement time and solving the problem of traditional devices requiring complete cabinet shutdown for repair of faulty modules. Simultaneously, the standardized cabinet architecture supports parallel expansion of multiple cabinets, allowing for flexible capacity adjustment according to energy storage needs. This significantly improves adaptability and expansion flexibility, greatly reducing the manpower and time costs of on-site installation and subsequent maintenance.

This invention relates to the field of explosion-proof sensor technology and discloses a resin-encapsulated explosion-proof sensor. The sensor comprises: a cavity formed by combining the gas collecting hood cover and the gas collecting hood base; a gas-sensitive detection component, an expansion isolation component, and a secondary fast-sealing component sequentially installed from top to bottom within the cavity; the gas-sensitive detection component for real-time detection of hydrogen content in the air; and the expansion isolation component, through rapid filling with expansion material, achieving rapid gas isolation within the cavity via physical properties, thus providing a safe early warning effect. When the hydrogen concentration within the sensor's gas collecting hood exceeds the standard, the expansion material in the liquid bladder is triggered and rapidly expands. Because the liquid bladder is installed in a specific position, the expanded material quickly fills the surrounding space, separating the gas-sensitive detection cavity from the hydrogen and preventing further hydrogen diffusion, thereby achieving the function of rapid gas isolation and providing a safe early warning effect.

This utility model discloses an antibacterial hose cap, including a main support cap. A sealing sleeve is abutted to the bottom of the main support cap, and an isolation plate is fixedly installed on the inner side of the sealing sleeve. A through groove is formed on the bottom surface of the isolation plate, and a movable top groove is formed on the top of the main support cap. The sealing sleeve is fitted onto the outer side of the hose, and the isolation plate further isolates and seals the outer side of the hose, further enhancing the sealing effect. This allows for the separation of the sealing top block from the hose, making operation simple and convenient. No complicated tools or tedious disassembly steps are required; ordinary users can easily replace the sealing top block, saving time and effort. Pressing the top block and the inner top block automatically resets, and the new sealing top block quickly and tightly engages with the top opening of the hose, achieving rapid sealing and reducing the hose's exposure time during sealing top block replacement, thus reducing the risk of leakage and contamination.

The application relates to the technical field of waste heat recovery of pneumatic ash conveying systems, and discloses an energy-saving control device for a power plant pneumatic ash conveying system. In the application, the device housing is provided with a motor bin on the upper surface, a bottom fixing ring is fixedly installed on the upper surface of the device housing, a gas conveying pipe is arranged in the bottom fixing ring, a circular baffle is rotatably arranged in the bottom fixing ring, a rotating rod is welded to one end of the circular baffle, and a motor is fixedly connected to the rear end of the rotating rod. In the power plant pneumatic ash conveying system, the intermittent airflow of the gas conveying pipe, i.e. periodic start-stop or airflow adjustment, can optimize the system performance and bring multiple economic benefits and technical advantages, effectively reduce local wear and tear, avoid long-term high-pressure impact on the pipeline, reduce the probability of weld cracking, avoid pipeline blockage or imbalance of ash-gas ratio caused by overload, reduce invalid airflow emission through intermittent conveying, reduce the load of the end dust removal equipment, and thus reduce the risk of dust escape.

The application relates to an active power distribution network fault positioning system based on passive protection and a method thereof, the system comprising passive protection terminals installed in switch cabinets and looped network cabinets of an active power distribution network, uPMUs installed in distributed power source access points and voltage busbars of a power distribution network system, the passive protection terminals and the uPMUs being connected with a fault positioning host computer, and the fault positioning host computer being connected with a power distribution network dispatching automation system. The method comprises the following steps: according to a distributed power source grid-connected inverter control strategy, a controlled current source model is established, and a distributed power source grid-connected point impedance branch model is obtained; an active power distribution network sequence component calculation network is established to calculate branch currents of power distribution network feeder lines; passive protection terminals collect current of the power distribution network feeder lines, uPMU synchronous measurement terminals collect voltage measurement data, and the data are transmitted to the fault positioning host computer for matching to search for a fault point position and isolate a fault section. Compared with the prior art, the application can accurately perform fault positioning and improve power distribution network power supply reliability.

This invention discloses an operation control method for a CO₂ circulating catalytic biomass gasification polygeneration unit, relating to the field of distributed biomass energy utilization and process control technology. The method includes the following steps: inerting and purging are performed based on the gas supply and atmosphere control unit to determine the unit's operating boundaries; during the pyrolysis stage, active sites are constructed in situ on the carbon through alkali metal Na / K dosage control; during the gasification stage, recycled CO₂ and / or purified flue gas are introduced and the CO₂ / steam ratio is controlled to drive the reaction unit to stably produce gas and generate biochar as a byproduct; tar and dust are controlled through staged condensation-filtration-switchable catalytic cracking; a micro gas chromatography calibration dataset is established and sensor array data is fused; soft measurement and closed-loop control are used to adjust the feed rate, bed temperature, and recycled CO₂ ratio; and emergency shutdown is executed when safety interlock conditions such as backfire, CO leakage, and pressure difference abnormalities are triggered. This method solves the problems of large calorific value fluctuations, easy tar blockage, and high monitoring and control costs in distributed biomass gasification, achieving improved efficiency and safe and stable operation.

The application discloses a kind of data high-precision acquisition processing systems of battery module, belong to acquisition processing system technical field, comprising: distributed intelligent acquisition module, digital communication connection line, main control and collaborative computing module and fast self-checking and protection circuit, the distributed intelligent acquisition module is used to connect and acquire the analog signal of each electric core or electric core module electric parameter and environmental parameter, and it is converted into original digital data, then original data is carried out online adaptive weighted data fusion, sparse sampling compression and feature extraction, generates situation data package, and according to time series prediction model dynamic adjustment data acquisition cycle to optimize energy consumption, simultaneously according to network state and data priority dynamic selection communication protocol and transmission path.The application can also be distributed intelligent acquisition on the basis of realizing high-precision acquisition processing to battery module, and can realize the intelligent closed loop of sensory transmission calculation protection depth cooperation.

The utility model relates to an electric automobile fire extinguishing device, including car bottom shower device and at least one set of fireproof partition, the main part of car bottom shower device is metal pipe frame, the axis direction of the upward side of metal pipe frame sets up a plurality of first spout for from below to upward water spray, the downward side of metal pipe frame is fixed with first wheel, the bottom of fireproof partition is fixed with second wheel, the metal pipe frame still is fixed with the horizontal quick -wired port of intercommunication with it, to connect fire -fighting water pipe with convenience, the utility model discloses a movable car bottom shower device and fireproof partition to realize the quick isolation of accident vehicle and surrounding vehicle and the directional fire extinguishing cooling of battery part, the car bottom shower device of the utility model adopts the pipe frame structure, and the simple structure is convenient to operate, through the telescopic moving rod, it can be pushed to the bottom of the vehicle on fire safely, the utility model adopts the fireproof partition of splicing to the quick isolation of accident vehicle, can effectively control the spread of fire.

The present application relates to lithium battery production and intelligent production control technology field, specifically to a kind of lithium battery module production task dynamic optimization production scheduling method, comprising: obtaining initial global production scheduling plan containing standard production rhythm and each detection node real-time feedback accessory detection state data;Identify local detection abnormal events and calculate corresponding disturbance isolation radius;Candidate rescheduling scheme is constructed in the local production area covered by disturbance isolation radius, and the production scheduling plan fluctuation index relative to initial global production scheduling plan is calculated;When fluctuation index is less than preset fluctuation threshold, establish optimal rescheduling scheme and generate, issue local rescheduling instruction;Local rhythm recovery delay is monitored, and local task delay and global production rhythm dynamic isolation are realized;The present application considers solution timeliness and line stability.

The present application relates to the technical field of vehicle-mounted power supply, especially to a multi-scene vehicle-mounted intelligent regulation and control comprehensive power supply system, comprising a main shell and a power supply assembly, the main shell is composed of a plurality of sub-assembly shells, symmetrically provided with an inner side adjusting groove on the inner side surface of the sub-assembly shell, and an elastic telescopic support flow guide assembly and an elastic adjustable limiting assembly are assembled in the inner side adjusting groove for supporting and limiting the power supply assembly. The multi-scene vehicle-mounted intelligent regulation and control comprehensive power supply system can freely increase or decrease the number of sub-assembly shells and internal power supply assemblies according to the power demand of the whole vehicle, flexibly adjust the system capacity and size, solve the problem of insufficient flexibility of the existing integrated power supply system, reduce the research and production cost, and improve the product universality.

The application discloses a low-temperature ethylene storage system suitable for total reserves less than or equal to 500 cubic meters, which comprises a low-temperature ethylene storage tank, a variable-frequency ethylene conveying pump, a liquid-phase ethylene distributor and an ice machine set. A high-temperature liquid-phase ethylene outlet is arranged at the bottom of the low-temperature ethylene storage tank and is communicated with a pipeline of the variable-frequency ethylene conveying pump. A discharge port of the variable-frequency ethylene conveying pump is communicated with a feeding port pipeline of the ice machine set. The liquid-phase ethylene distributor is arranged in the top of the low-temperature ethylene storage tank and is communicated with a liquid outlet pipeline of the ice machine set. The device can replace a diaphragm compressor and the ice machine set to realize the same cooling loss effect, effectively reduce production cost, improve production safety and reduce production energy consumption.