619 results about "Automatic fire suppression" patented technology

The invention discloses an automatic fire extinguishing device for automatically sensing thermal runaway of a battery of a new energy vehicle. The automatic fire extinguishing device comprises a base, a control box, a fire blanket body, a release assembly and a fire detection probe. The whole base is of a frame-shaped structure and is fixed to a preset position of a vehicle, and a fixed joint strip is arranged on the top face of the base. The fire blanket body is rectangular and comprises a base cloth layer, a coating and a heat insulation filling layer, a positioning strip is arranged on the top face, and heavy drooping blocks are arranged on the two sides. The release assembly comprises a fixed seat, a splicing seat, an electromagnet, a melt strip and a joint block, and the electromagnet adsorbs the heavy drooping block through magnetic force so as to store the fire blanket; the fire behavior detection probe comprises a spectrum sensor, a smoke sensor and an infrared temperature sensor and is used for monitoring fire behavior in real time. When a fire occurs, the control box receives a detection signal to cut off a power supply of the electromagnet, or the melt strip melts at a high temperature to actively cut off power, so that the weight drop block drops to pull the fire blanket body to be completely unfolded and cover a fire area, and the fire is inhibited by blocking oxygen.

The invention discloses a tunnel fire extinguishing robot emergency command system and a use method. The system comprises an inspection robot, a fire extinguishing robot, a visual command center, an industrial internet platform and corollary equipment. The inspection robot is in communication connection with the visual command center through the industrial internet platform; the visual command center is provided with a dispatching module for dispatching the fire extinguishing robot and a navigation module; and the fire extinguishing robot is in communication connection with the visual command center through the industrial internet platform. A high-definition infrared camera, multiple types of sensors and a laser scanner are carried, and conditions in a tunnel are monitored in real time; an automatic fire extinguishing device is carried, and the fire spraying angle can be adjusted through remote control for accurate fire extinguishing; by analyzing monitoring data and alarm information, the robot can be remotely commanded to perform emergency response; the system can upload monitoring data and transmit instructions of the command center to the fire extinguishing robot in real time.

The invention relates to the technical field of fire safety, in particular to an electric bicycle shed automatic fire extinguishing device and system.The method comprises the following steps that S1, data of a plurality of fire factors are collected; s2, performing fusion analysis on various fire factor data, and outputting a fire risk judgment result; s3, dynamic fire risk assessment is carried out, and a fire early warning threshold value is adjusted in real time; s4, identifying a section where the fire occurs; s5, on the basis of the fire sections identified in the S4, automatically controlling fire extinguishing devices in the corresponding areas to be started; s6, the fire area is cooled through a water spraying device; and S7, after the fire is extinguished, storing all data to a remote cloud server. According to the electric bicycle shed, through multi-dimensional fire monitoring, intelligent algorithm dynamic evaluation and automatic control technologies, accurate fire early warning, effective fire extinguishing, continuous cooling and safety data storage are achieved, and the fire prevention and control efficiency and safety of the electric bicycle shed are remarkably improved.

The utility model discloses a battery car storage battery charging cabinet with an automatic fire extinguishing device, which comprises a cabinet body, a plurality of battery cabins are longitudinally arranged on two sides in the cabinet body, a battery falling channel is formed between two rows of battery cabins, and an isolation cabin communicated with the battery falling channel is arranged at the bottom of the cabinet body. A hot aerosol fire extinguishing device is installed at the top end in the isolation bin, a charging socket and a separation mechanism are installed on the inner wall of the battery bin, a smoke sensing alarm is installed at the top end in the battery bin, an electric control unit is installed at the bottom end in the battery bin, and a discharging opening communicated with a battery falling channel is formed in one side of the battery bin. According to the storage battery automatic fire extinguishing device, the storage battery which is spontaneously combusted can be isolated and automatically extinguished, the influence of the fire behavior on other storage batteries is reduced, and potential safety hazards and property loss are reduced.

The invention provides a fire-fighting monitoring system for a ship. The fire-fighting monitoring system for the ship comprises a fire detection module and a fire-fighting monitoring module, wherein the fire detection module comprises fire monitoring and identifying cameras and sensor assemblies which are arranged at all corners of the ship; the fire monitoring module is used for constructing a fire recognition model based on the collected data of the ship and performing fire recognition warning; the fire hazard early warning module is used for constructing a fire hazard prediction model and performing prediction warning of fire hazard risks; the fire control module is used for realizing automatic fire extinguishing and comprises an automatic fire extinguishing control unit and a remote control unit; the intelligent decision-making module is used for providing escape guidance and comprises a fire source positioning unit and a route planning unit; the performance optimization module comprises fire source positioning optimization and escape route optimization. The system can comprehensively monitor the interior of the ship, accurately identify and predict the fire risk, can perform automatic fire extinguishing operation, position a fire source and plan an escape route at the first time when a fire occurs, guarantees the life and property safety of personnel, reduces the ship loss, and reduces the environmental pollution risk.

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 utility model discloses a high-low voltage power distribution cabinet with a fireproof function, which relates to the technical field of power distribution cabinets and comprises a cabinet body, a fireproof mechanism is fixedly mounted at the top of the cabinet body, an alarm mechanism is fixedly mounted at the top in the cabinet body, a mounting seat is fixedly mounted at the lower end in the cabinet body, and a cabinet door is hinged to the front surface of the cabinet body. With the adoption of the structure, the device is provided with the fireproof mechanism, the fire extinguishing agent tank can be conveniently mounted, and the fire extinguishing agent tank is communicated with the conveying pipe frame after the fire extinguishing agent tank, the connecting hose and the valve are fixed through the hand-twisted screw rod; the fire extinguishing agent tank can be quickly disassembled by loosening the sealing screw cap, maintenance and replacement are convenient, the device adopts a physical fusing trigger structure, automatic fire extinguishing is achieved, extra detection is not needed, the stable fire extinguishing performance is achieved, operation is convenient, and the device is suitable for various fire fighting scenes.

The invention relates to an indoor transformer with an automatic fire extinguishing system, the transformer comprises a bearing frame, a fixing plate, a rotating shaft, a non-stored pressure type buffer fire extinguisher, a connecting pipe, a top frame spraying device and the like, through the design of the non-stored pressure type buffer fire extinguisher, a fire extinguishing agent can be quickly sprayed; in addition, the system is provided with a secondary suction pipe, unused dry powder can be recycled, the resource utilization rate is increased, the operation cost is reduced, the system is further provided with a standby fire extinguisher, when the main fire extinguisher cannot completely extinguish the fire, the standby system is automatically started, and the fire extinguishing efficiency is improved. A non-stored pressure type buffer fire extinguisher is adopted, when a fire occurs, an external power source is not needed, after a gas generator is triggered through a UPS power source, a fire extinguishing agent can be rapidly released, and fire extinguishing dry powder is sprayed to a fire source area through a connecting pipe and a spraying device.

The invention discloses an intelligent fire-fighting inspection system and method for a main transformer of a transformer substation, and the method comprises the steps: collecting fire-fighting inspection related data of an automatic fire extinguishing system, and uploading the data to a cloud for storage; classifying the collected fire-fighting inspection related data of the automatic fire extinguishing system according to different time sequence change types; establishing a corresponding neural network prediction model according to fire-fighting inspection related data of the automatic fire extinguishing system and different classification results of time sequence change types; inputting the classified fire-fighting inspection related data of the automatic fire extinguishing system into a corresponding neural network prediction model, and calculating to obtain a fire-fighting inspection prediction result of the automatic fire extinguishing system; and comparing the fire-fighting inspection prediction result of the automatic fire extinguishing system with a preset fire-fighting inspection data threshold value, and judging whether the fire-fighting inspection prediction result of the automatic fire extinguishing system has a fault risk or not. The working state of the fire extinguishing system is intelligently predicted, and the automatic fire extinguishing system of the transformer substation main transformer is intelligently inspected.

The invention relates to an intelligent linkage system and method for a super-long tunnel, and the system comprises a monitoring system which is used for transmitting a temperature abnormity early warning signal and tracking and positioning an abnormal vehicle when the abnormal vehicle exceeding a temperature threshold value is detected, and determining an automatic fire extinguishing region and transmitting an initial fire alarm signal when the abnormal vehicle is on fire; when the abnormal vehicle stops driving in the automatic fire extinguishing area, the initial fire alarm signal is updated, and the updated target fire alarm signal is sent; the spraying system is used for extinguishing abnormal vehicles in the automatic fire extinguishing area when receiving the target fire alarm signal; the smoke suppression system is used for suppressing the smoke degree generated in the fire catching process of the abnormal vehicle according to the smoke suppression device when the target fire alarm signal is received; intelligent linkage of the super-long tunnel is achieved, and therefore the super-long tunnel is monitored and processed through the intelligent linkage system when disasters occur in the super-long tunnel.

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 belongs to the technical field of fire-extinguishing building materials, and discloses a microencapsulated efficient automatic fire-extinguishing patch and a preparation method thereof.The fire-extinguishing patch contains a fire-extinguishing microcapsule, the fire-extinguishing microcapsule is of a double-layer structure, the inner layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde, and the outer layer contains gelatin, kaolin, perfluorohexanone, sodium hexametaphosphate, resorcinol and glutaraldehyde; and the outer layer comprises a vinylidene fluoride-acrylic acid copolymer and glutaraldehyde. According to the invention, the flaky kaolin is used for enhancing the formaldehyde-free phenolic aldehyde inner layer and the vinylidene fluoride-acrylic acid copolymer outer layer to form a double-layer shell layer with high air tightness, so that the compactness and long-term stability of the shell layer of the microcapsule are greatly improved.

The invention relates to the technical field of fireproof safety, in particular to a cable type linear independent temperature sensing terminal which comprises a cable type temperature sensing cable module, a data processing module, a self-adaptive fire behavior detection module, a fire behavior analysis and judgment module, a fire extinguishing device control module and a power failure guarantee module. Wherein the cable type temperature sensing cable module is used for detecting temperature data of different positions; the data processing module is used for formatting the temperature data; the self-adaptive fire detection module is used for dynamically adjusting a fire detection threshold value according to environmental conditions; the fire analysis and judgment module is used for judging whether a fire exists or not; the fire extinguishing device control module is used for starting a fire extinguishing device to execute fire extinguishing operation; and the power-off guarantee module is used for providing a standby power supply. According to the invention, through self-adaptive fire behavior detection, accurate fire behavior analysis and judgment, and starting and power-off guarantee of the automatic fire extinguishing device, the accuracy and response speed of fire monitoring of the electrical cabinet are improved, and the loss caused by the fire is effectively reduced.

The invention provides an efficient cooling and fire extinguishing agent control method for an energy storage system fire, and relates to the field of fire extinguishing and cooling. Determining a cooling delay coefficient of the energy storage system during cooling control according to the dynamic temperature data; then the spraying adaptive amount during fire extinguishing spraying is determined through the spraying node; according to the target cooling strategy and the cooling delay coefficient, the distribution loss amount of each level of fire extinguishing agent under the fire extinguishing temperature control working condition is determined, and the cooling compensation characteristics of the automatic fire extinguishing system with the detection and alarm linkage during fire extinguishing task execution are determined according to the distribution loss amount; and determining a fire extinguishing cooperation efficiency index when the energy storage system carries out efficient cooling and fire extinguishing control by a fire extinguishing agent according to the spraying adaptation amount and the cooling compensation characteristics, and carrying out distribution control on a fire occurring in the energy storage system according to the fire extinguishing cooperation efficiency index. According to the invention, dynamic joint control adjustment can be carried out when the fire extinguishing strategy and resource allocation adjustment are delayed, so that the response efficiency of the fire extinguishing system is improved.

The embodiment of the invention provides a smart city fire-fighting automatic fire extinguishing system and method based on an Internet of Things large model and a medium, and belongs to the technical field of city fire fighting. The system comprises an emergency supervision management platform and an emergency supervision sensing network platform, wherein the emergency supervision management platform is configured to obtain emergency monitoring data; based on the emergency monitoring data and the regional feature data, determining emergency prevention data of the prevention region; determining emergency control parameters based on the emergency prevention data; based on the emergency control parameters, fire extinguishing control signals are sent to a fire extinguishing device installed in the prevention area through the emergency supervision sensing network platform, so that the fire extinguishing device is driven to execute emergency fire extinguishing according to the emergency control parameters. The system can improve disaster response speed and resource utilization efficiency, so that fire extinguishing efficiency is improved, and disaster loss is reduced.

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 discloses an unattended intelligent operation and maintenance management system for an offshore wind plant based on AI and a block chain, and aims to solve the problems of high labor cost, low response speed, potential safety hazards, inconvenience in information management and the like in the operation and maintenance management of the existing offshore wind plant. Work tickets and safety tickets are automatically generated according to real-time data of a wind power plant; efficient distribution of maintenance tasks is realized through an intelligent matching algorithm; intelligent key cabinet management ensures safe issuing and returning of equipment keys; aI whole-process monitoring management is carried out, operation of maintenance personnel is analyzed in real time, and safety and compliance are ensured; an automatic fire extinguishing system and abnormal intrusion detection ensure the safety of the wind power plant when the wind power plant is unattended; the shared spare part center realizes intelligent scheduling and management of spare parts; through application of the block chain technology, data transparency and non-tampering performance are ensured, labor cost and management complexity are reduced, security is enhanced, operation and maintenance response speed is improved, data accuracy and traceability are ensured, information transparency is enhanced, and flexible maintenance personnel management is realized.

The invention relates to the technical field of intelligent fire fighting, in particular to an electrical fire intelligent monitoring and early warning top-speed alarm automatic fire extinguishing system and method, and the system comprises a ubiquitous sensing terminal, an intelligent decision-making platform, a linkage execution device, an energy guarantee module and a communication interaction unit; wherein the ubiquitous sensing terminal is used for collecting electrical equipment operation data and environmental parameters in real time and generating structured data; the intelligent decision-making platform is used for processing the structured data, evaluating an electrical fire risk level and generating an early warning and fire extinguishing strategy; the linkage execution device is used for realizing top-speed alarm and intelligent fire extinguishing according to early warning and fire extinguishing strategies; the energy guarantee module is used for providing three-level redundant power supply for the system and ensuring reliable operation of the system; and the communication interaction unit is used for multi-protocol data transmission and remote control. Therefore, the problems of high false alarm rate, large response delay, single fire extinguishing mode and the like of a single sensor in the prior art are solved.

A multifunctional instrument protection box for electrical engineering comprises a box body, a box door, an anti-collision mechanism, a fire extinguishing mechanism and a dust removal mechanism. The electrical engineering instrument is located in the box body and is fixedly connected with a bottom plate of the box body. The anti-collision mechanism is positioned among double-layer plate bodies of a top plate, a left side plate, a right side plate and a rear side plate of the box body; the fire extinguishing mechanism is located above the electrical engineering instrument. The dust removal mechanism is located outside the heat dissipation opening of the box body. The anti-collision function is added, the external force impact resistance of the protection box can be effectively improved, and the damage probability of electrical instrument equipment under external force impact is reduced; a fire extinguishing function is added, once fire is triggered by high temperature, short circuit and the like in the protection box, automatic fire extinguishing can be implemented in the protection box in the first time, open fire is extinguished in the shortest time, and damage of the fire to electrical engineering instruments and equipment is blocked; a dust removal function is added, accumulated dust at the heat dissipation opening can be dynamically removed, the situation that the heat dissipation effect becomes poor due to accumulated dust blockage of the heat dissipation opening is avoided, and the probability that a fire disaster is triggered by high temperature is reduced.

The invention relates to an apparatus for drying and / or washing laundry, the apparatus comprising: —an outer casing (12) having an opening (14) for loading the laundry; —a drum (16) located inside the casing (12) and being rotatably movable on an axis (A), said drum (16) having an inner cavity (18) connected to the loading opening (14) and being configured to receive the laundry; —a door (22) for closing the loading opening (14); and —at least one autonomous fire extinguishing device (30), said device (30) having at least one element made of a thermoplastic fusible material and an inner space (34) containing an extinguishing fluid intended to be released when the element melts under the effect of the heat generated by a fire or fire outbreak, characterised in that the extinguishing device (30) is located at least partially inside the cavity (18).

The invention discloses an intelligent laser weeding robot capable of achieving autonomous recognition, and relates to the technical field of weeding equipment, the robot comprises a machine trolley, a recognition camera and a laser weeding mechanism, the machine trolley is provided with a cooling mechanism matched with the laser weeding mechanism, and the tail of the machine trolley is provided with a water spraying mechanism communicated with the cooling mechanism; the machine trolley comprises a trolley body, a suspension frame, tires, a wheel foot motor and a controller, the recognition camera is fixedly installed at the front end of the trolley body, the laser weeding mechanism comprises an installation frame, a first lead screw, a laser generator and a second motor and is installed on the lower end face of the trolley body, and the cooling mechanism comprises a water tank, a hose, a heat dissipation base and a submersible pump. The submersible pump is fixedly mounted in the water tank to supply water to the nozzle and the radiating seat. The laser weeding equipment has the advantages of efficient heat dissipation and automatic fire extinguishing, and the problems that traditional laser weeding equipment is poor in heat dissipation, sparks are likely to be generated after weeding, and fire hazards exist are solved.

To provide an automatic fire extinguishing device for an offshore wind turbine generator in which a fire extinguishing cabinet is stably fixed. [Solution] An automatic fire extinguishing system for an offshore wind turbine generator comprises a support pillar, a generator assembly mounted on the top of which a slide groove is formed on the side of the support pillar, a slide sheet 4 is connected to the inside of the slide groove for limited sliding, a base plate 5 is fixedly connected to the side of the slide sheet, and an automatic fire extinguishing cabinet is mounted on the top of the base plate. A worm 8 is movably inserted into the side of the support pillar, a one-way threaded rod 9 is rotatably connected inside the slide groove, and a worm gear 10 is fitted to the bottom of the outer surface of the one-way threaded rod. An extension plate is fixedly connected to the side of the support pillar, a semicircular rack is fixedly connected to the top of the extension plate, and a two-way threaded rod is movably mounted inside the base plate.

The utility model discloses an explosion-proof and fire-proof pressure relief device of a power transformer, and relates to the technical field of transformers. The anti-explosion and fireproof pressure relief device for the power transformer comprises a box body, and a fire extinguishing mechanism used for treating a fire disaster is fixedly installed on the outer side of the box body; and the fire extinguishing mechanism comprises an electric rod, the output end of the electric rod is fixedly provided with a spraying disc seat used for treating a fire, and the outer side of the spraying disc seat is fixedly provided with a three-way pipe. The environment of the top of the box body is monitored in real time through power-on operation of a fire sensor, and then two sets of spraying disc bases are driven to move vertically through power-on operation of an electric rod, so that the top of the box body is safely enclosed by the spraying disc bases; and a first electromagnetic valve pipe is electrified to operate, so that high-pressure gas and dry powder in the fire extinguisher are conveyed to the top of the box body for fire extinguishing operation, meanwhile, electric sparks generated by electric explosion of the device can be conveniently shielded through a spraying disc seat, and the functions of automatic fire extinguishing and explosion prevention of the device are achieved.

The utility model discloses a three-proofing type power distribution cabinet, and relates to the technical field of power distribution cabinets, the three-proofing type power distribution cabinet comprises a cabinet body, a fire extinguishing device, a dustproof sponge, a fire-retardant module and an expansion type fireproof sealant, the bottom of the cabinet body is provided with a plurality of wiring ports used for cable access, the fire-retardant module is provided with a through hole matched with the overall external diameter of a cable, and the expansion type fireproof sealant is provided with an expansion type fireproof sealant. The fire-retardant module is arranged at a wiring port at the bottom of the cabinet body, the cable penetrates through the wiring port and the through hole, and the expansion type fireproof sealant is arranged at a gap among the wiring port, the through hole and the cable; according to the utility model, fireproof and waterproof treatment is carried out on the wiring port of the cable through the fire retardant module and the expansion type fireproof sealant, the possibility of fire spreading outside and inside the cable is avoided, the fire extinguishing device can carry out automatic fire extinguishing on the inside of the power distribution cabinet, and the dustproof sponge can block external dust while ensuring ventilation.

The utility model relates to the technical field of mining area automatic fire extinguishing, and discloses an underground mining area automatic fire extinguishing device which comprises a control host, and the two sides of the host are divided into a first area and a second area; a flame sensor, an infrared thermal imager, a temperature sensor I, a smoke sensor and a temperature sensor II are arranged in each area, and all the sensors are connected with a control host; in addition, the control host is connected with a plurality of cylinder valve groups, the output ends of the cylinder valve groups are connected with a medicament pipeline, and a release switch is arranged on the pipeline. According to the device, fire signals are detected in all directions through the flame sensor and the infrared thermal imager, and sensitivity and accuracy are improved; through multi-parameter monitoring of a temperature sensor, a smoke sensor and the like, the fire early warning reliability is enhanced; and the fire extinguishing device is independently controlled, so that the fire extinguishing efficiency is improved. And the remote linkage function realizes remote monitoring and operation, so that the fire extinguishing timeliness and effectiveness are improved.

The invention belongs to the technical field of fire rescue equipment, and particularly relates to an automatic fire extinguishing device for a fire rescue quadruped robot and a fire extinguishing method of the automatic fire extinguishing device, which are combined with a flexible moving system of the quadruped robot, realize accurate injection and effectively control fire spreading through real-time detection of fire source position information by a visual identification module. Compared with a traditional manual fire extinguishing mode, the device can automatically execute the fire extinguishing task in the dangerous environment, the risk of firefighters is remarkably reduced, and the rescue safety is improved. And quick response to a fire source and efficient fire extinguishing are realized. Through the communication part, communication with an external terminal is kept in real time, an instruction is received, image information collected by the visual identification module is returned, and efficient unmanned fire extinguishing is achieved. The overall structural design is compact, operation is easy and convenient, good environment adaptability is achieved, fire extinguishers of different sizes are supported, efficient operation can be conducted in various complex fire-fighting scenes, and therefore the safety and efficiency of the fire extinguishing task are improved.

The invention provides a new energy automobile intelligent charging pile capable of automatically extinguishing fire, and relates to the technical field of charging piles, the new energy automobile intelligent charging pile comprises a bottom box, a charging pile body is fixed to the top of the middle of the bottom box, a top eave is fixed to the top of the charging pile body, and protection assemblies are arranged on the periphery, corresponding to the charging pile body, of the top eave and the bottom box; and the protection assembly comprises fireproof cloth, the fireproof cloth is stored in the top eave and the bottom box, a connecting frame is fixed to the outer end of the protection cloth, and right-angle plates are installed at the four corners of the connecting frame. The protection assembly is started to wrap the charging pile body, fire is prevented from rapidly affecting the outside, the fire extinguishing assembly closes the heat dissipation window, air is prevented from continuously flowing in, meanwhile, dry powder is sprayed into the charging pile to extinguish fire, and the control box automatically cuts off a power supply to avoid larger damage.

The utility model discloses an automatic fire extinguishing device for a belt conveyor, which relates to the technical field of fire extinguishing devices for belt conveyors, and comprises a belt conveyor, a driving part and a fire extinguishing assembly used for extinguishing fire at the position of the driving part. When a fire occurs and the temperature rises, the controller controls the adding pump and the electromagnetic valve to be opened, so that the anti-freezing liquid in the solution box is sprayed out from the multiple groups of spray heads, and the multiple groups of spray heads spray the anti-freezing liquid to the whole part of the driving part through the arrangement of the U-shaped part of the connecting pipe, so that the initial fire can be timely and effectively extinguished; fire is prevented from increasing, and the safe operation level of equipment in winter is improved.

The invention relates to the technical field of intelligent fire fighting, and discloses a pump set type refrigerant liquid automatic fire extinguishing system which comprises a layout module, a first three-way pipe and a second three-way pipe, the refrigerant box is communicated with pipelines where the first main pump set and the second main pump set are located through the first three-way pipe, and the pipelines of the first main pump set and the second main pump set are connected in parallel; the tail ends of the pipelines where the first main pump set and the second main pump set are located are combined through a second three-way pipe and connected with a pressure pipeline. The pressure pipeline is provided with a pressure sensor used for detecting the transportation pressure of liquid in the pipeline. The fire behavior detection module obtains pressure data of the pressure sensor and compares the pressure data with a preset pressure threshold value, and when the liquid conveying pressure of the pressure pipeline is lower than the pressure threshold value, a pressure adjusting signal is sent out; the fire-fighting control module is used for receiving a pressure regulating signal so as to switch the operation states of the first main pump set and the second main pump set; the problem that in the prior art, water is supplied through unified pumping pressure, and fire disasters of different scales cannot be flexibly coped with is solved.

The utility model provides an automatic fire extinguishing device for a coal mine tunnel, which comprises an upper management machine, the upper management machine is connected with a ZigBee coordinator, and the ZigBee coordinator is in communication connection with a plurality of fire extinguishing units; the fire extinguishing unit is provided with a dry powder storage tank and a controller, a connecting pipe is arranged at the bottom end of the dry powder storage tank, a spraying head is arranged at the bottom end of the connecting pipe, an electromagnetic valve, a temperature sensor and a pressure sensor are arranged on the connecting pipe, and the electromagnetic valve, the temperature sensor and the pressure sensor are all connected with the controller. The controller is connected with a ZigBee node which is in communication connection with the ZigBee coordinator; manual regular inspection is not needed, labor expenditure is reduced, pressure abnormity can be found in time, and potential safety hazards are reduced.