37results about How to "More escape time" patented technology

The present invention provides a thermal management and automatic fire-extinguishing system of a vehicle battery, used for managing the vehicle battery in a hybrid vehicle or an electric vehicle, including: fire-extinguishing packages which are adjacent to or in contact with the vehicle battery, wherein the fire-extinguishing package is filled with a fire-extinguishing agent; and the fire-extinguishing package is configured to be opened when the temperature of the vehicle battery is higher than a preset temperature, so that the fire-extinguishing agent can be released and then filled into a space where the vehicle battery is located, thereby achieving the effects of automatic combustion prevention and fire extinguishing of the vehicle battery, effectively protecting the vehicle battery and the whole vehicle, reserving more escape time for passengers and improving the safety of the vehicle. On the whole, the thermal management and automatic fire-extinguishing system of the vehicle battery of the present invention is simple and reliable in structure, low in cost and strong in universality, and can be directly mounted on the vehicle without reforming the existing vehicle battery cooling system.

The invention discloses a temperature and smoke joint control fire extinguishing circuit for a bus power battery cabin. The circuit comprises an on-board 24-V power supply, a fire early-warning controller, an automatic fire extinguisher, a temperature detector, a smoke detector, a starting relay, a manual starting button, an audible and visual alarm, a fire extinguisher status indicator lamp and a remote monitoring terminal. The on-board 24-V power supply, the automatic fire extinguisher, the temperature detector, the smoke detector, the starting relay and the remote monitoring terminal are connected with the fire early-warning controller through a circuit. The remote monitoring terminal transmits information to the remote monitoring platform through a GRPS, and records and stores the information. The temperature and smoke joint control fire extinguishing circuit for the bus power battery cabin is used for carrying out early warning, prevention and fire extinguishing in advance when the temperature of a power battery is increased sharply and a large amount of smoke is produced before open fire occurs, and more escape time is won for passengers.

The invention relates to the field of security and protection and provides an open fire alarming detection method and device, a smoke alarm and a storage medium. The open fire alarming detection method comprises the following steps that when it is detected that the current smoke concentration meets a set concentration threshold, a current detection cycle of the smoke alarm is adjusted to be a rapid detection cycle, and the detection frequency of the smoke concentration is increased; the smoke concentration increasing rate is obtained according to the detected smoke concentration variable quantity and the corresponding time; and when it is judged that smoke is generated by an open fire according to the smoke concentration increasing rate, and a smoke alarming threshold of the smoke alarm isdecreased. The smoke generated by the open fire can be recognized in real time, the alarming sensitivity of the smoke alarm specific to the open fire is improved, advanced or rapid alarming can be conducted, the more escape time is set aside, and personnel safety is ensured.

The invention relates to the field of earthquake early warning and provides a portable household monitoring terminal for an earthquake early warning cloud monitoring network. The portable household monitoring terminal comprises a three-dimensional acceleration sensor, a GPS module, a wired and wireless network communication module, a display and sound module, an auxiliary survival module, a temperature and humidity measurement module, an emergency light, a radio, a key module, a clock module, a CPU, a battery and a charging and fixing substrate. The terminal uploads monitored earthquake waves and related information to an earthquake early warning network server in real time and receives earthquake early warning information which is sent back. By the adoption of the portable household monitoring terminal, the number of nodes in a cloud monitoring network system is increased, so that distribution points are denser, and measurement data results are more accurate; a holder of the terminal can receive the early warning information as soon as possible when an earthquake happens, so the holder can obtain more early warning time and escape in time; the portable household monitoring terminal also has an auxiliary survival function, so that the rescue probability after the earthquake is increased; besides, the portable household monitoring terminal also has daily application functions such as indoor temperature and humidity measurement.

The invention belongs to the field of building outdoor self-rescue escape, and relates to a single-climbing aluminum alloy folding outdoor escape ladder. A foldable inlet slow step pedal is hinged between an inlet wall-attached frame and the bottom of an inlet protective frame in an entry unit, a ladder unit comprises an upper ladder unit and the lower ladder unit, the upper ladder unit comprisesan upper ladder wall-attached frame and an upper ladder protective frame, the upper ladder wall-attached frame is fixedly installed with an upper folding ladder on the left or right side, a foldable ladder slow step pedal is hinged at the bottoms of the upper ladder wall-attached frame and the upper ladder protective frame, the lower ladder unit is fixedly installed on the upper ladder wall-attached frame and the upper ladder protective frame of the gap formed between the inlet slow step pedal and the ladder slow step pedal, the lower ladder unit comprises a lower ladder wall-attached frame installed with a lower folding ladder, and a stair protective net. The single-climbing aluminum alloy folding outdoor escape ladder solves the problems of complicated escape route setting of the existing outdoor escape ladder, poor anti-theft, inconvenient assembly and disassembly, and inability to achieve structure linkage trigger opening.

The invention relates to a halogen-free flame retardant polypropylene material with the low smoke release rate and belongs to the technical field of high molecular materials. The material is prepared from, by weight, 40-70% of polypropylene, 18-30% of halogen-free flame retardant, 0-30% of glass fiber, 3-15% of polyketone resin, 1-5% of nanometer vermiculite, 3-10% of crystalline hydrate, 0.2-0.6% of lubricating agent and 0.2-0.6% of antioxidant. The invention further provides a preparation method of the halogen-free flame retardant polypropylene material. The halogen-free flame retardant polypropylene material with the low smoke release rate has the advantages of being low in smoke release rate, smog release amount and CO release ratio and capable of being widely applied in various fields of communal facilities, decoration, electronic and electric components and the like with high requirements for inflaming retarding and smog release, and saving precious time for people escape.

The invention discloses a corridor emergency fire disaster fire fighting box device. The corridor emergency fire disaster fire fighting box device comprises a wall body and a wall body cavity formed in the wall body, wherein a fire hydrant box is fixedly arranged on the left side of the wall body; a robot cavity is formed in the fire hydrant box; a lifting electric sliding rail is fixedly arrangedon the left wall of the robot cavity; a supporting plate is arranged in the lifting electric sliding rail in a sliding manner; and a robot is arranged on the upper side of the supporting plate. Afterthe corridor emergency fire disaster fire fighting box device is installed at the designated position, the fire fighting robot can be released, emergency fire fighting or cooling is assisted, the escape time is provided for escape personnel, towels can be provided for people without towels or help, part of smoke can be preferentially discharged out of a building, more escape time is provided forthe escape personnel, and the survival probability during a fire disaster is increased.

The invention relates to the technical field of coal mine geological engineering, and discloses a bottom water level monitoring device capable of avoiding well wall fracture and automatically alarming. The bottom water level monitoring device comprises a rack, wherein a sliding plate is slidably connected in the rack, the lower end of the sliding plate is fixedly connected with a pull rod, the surface of the pull rod is fixedly connected with a floating block, a balancing weight is fixedly connected to the lower end of the pull rod, movable blocks are slidably connected to the interior of the sliding plate, metal strips are fixedly connected to the side faces, close to the movable blocks, of the rack, and an electromagnetic rod is fixedly connected to the upper end, close to the sliding plate, of the rack. According to the bottom water level monitoring device, a coil is driven by fan blades to rotate, so that the electromagnetic rod is powered on, the electromagnetic rod attracts the sliding plate at the lower end, the movable blocks are connected with the metal strips on the side faces, an internal circuit is connected, and a buzzer starts to work, and therefore the effects that when water in a well bottom leaks downwards, a response can be made in time, an alarm is pulled, and workers at the well bottom are reminded are achieved.

The invention discloses a corridor fireproof system with the encoding function. The corridor fireproof system comprises a control center module, a fire detection system and a fire processing system. The fire detection system comprises a plurality of fire receivers connected with different fire sensors. The fire processing system comprises a fire processor connected with different controlled devices. An air inlet system, a poison gas exhaust system and an escape room are independently arranged. The corridor fireproof system can supply fresh air to people in a fire, piston gas in a building in the fire can be effectively exhausted, dangerousness of the piston gas can be reduced, and then people has more escape time and more escape opportunities. The corridor fireproof system is further provided with an encoder, the fire receivers and the fire processor are encoded in advance, and then flexibility and applicability of the corridor fireproof system are better.

The invention discloses a pipe jacking machine capable of improving safety performance. The pipe jacking machine comprises a shell and a pipe jacking machine head. The pipe jacking machine head is sleeved with the shell, and the pipe jacking machine head is internally provided with a thixotropic slurry stirring bin and an escape airbag device; the thixotropic slurry stirring bin is placed at the bottom of the pipe jacking machine head and connected to the outer side wall of the shell through a slurry injection pipe, and the escape airbag device is detachably connected to the inner side wall ofthe pipe jacking machine head; and a plurality of slurry injection openings are evenly formed in the outer side wall of the shell, and one end of the slurry injection pipe is connected to the slurryinjection openings. A certain proportion of bentonite and water are mixed by the thixotropic slurry stirring bin and then injected onto the outer surface of the pipe jacking machine shell, so that thepipe jacking machine shell is wrapped with thixotropic slurry, and when a landslip accident occurs, a mud flow is effectively prevented from entering the pipe jacking machine. After being inflated, an escape airbag can block the mud flow in front of the machine head for making the more escape time for operators. The escape airbag device comprises a gas generating device, the rubber airbag and analerter; the gas generating device is provided with a gas outlet connected into the rubber airbag, and the alerter is connected to the gas generating device; and when the gas generating device startsto be inflated, the alerter gives an alarm to remind workers to evacuate rapidly.

The invention discloses an ultra-high performance concrete stone-like brick, and relates to the technical field of building materials, wherein the ultra-high performance concrete stone-like brick comprises a surface layer and a bottom layer; an interlayer is arranged between the surface layer and the bottom layer; the surface layer comprises the raw materials in parts by weight: 750-850 parts of PW cement, 120-140 parts of heavy calcium carbonate powder, 120-140 parts of white silica fume, 10-40 parts of titanium dioxide, 1100-1250 parts of quartz sand, 10-20 parts of high strength fiber, and 100-140 parts of water; the bottom layer comprises the raw materials in parts by weight: 700-750 parts of PO cement, 110-125 parts of fly ash, 180-210 parts of silica fume, 1150-1250 parts of quartz sand, 90-110 parts of high-strength fiber and 120-150 parts of water. The brick has the advantages of attractive appearance and high fracture resistance and tensile strength, can be directly used for ground pavement, and can improve the safety of buildings.

The invention relates to the technical field of intelligent robots, and discloses intelligent cleaning equipment for hearing impaired people, which comprises a cleaning robot and a wearable electronicdevice; the wearable electronic device comprises a control module, a positioning module for positioning the position of the wearable electronic device, and a vibration module for reminding in an intrusion reminding mode; the cleaning robot comprises a main control module, a walking module, a sweeping module, a mopping module, a spraying module used for spraying water for reminding in an alarm mode, a sound collection module, a sound recognition module used for comparing picked environment sound with building alarm ringtones, an image acquisition module and an image recognition module used forcomparing the acquired image information with the image information of relatives and friends; the cleaning robot is wirelessly connected with the wearable electronic device; the intelligent cleaningequipment has sweeping and mopping functions, can remind hearing-impaired persons of disasters by spraying water when the disasters occur, and can inform the hearing-impaired persons of invasion of strangers, so that accidents of the hearing-impaired persons are avoided.

The invention relates to a stove, and specifically refers to a multifunctional biomass briquette heating stove comprising a stove body (1), a stove wall (2), a stove opening (3), a smoke pipe (4), universal wheels (5), a combustion room (6), a fire gathering loop (7), a protection layer (8), an air supply device (9) and an air hose (10); the stove also comprises a data processing and alarm center (11), a health monitoring wristband (12), a health monitoring vervel (13), a harmful gas concentration monitor (14), an air-exchange device (15), an electrostatic dedusting pipe (16), a dust collecting net (17), a static generator (18), a gas defence face shield (19) and an adsorption type kettle (20). The multifunctional biomass briquette heating stove can solve the problems that an existing stove cannot monitor user health conditions in real time, can timely find out user body problems, and can inform users or relatives and friends; the existing stove is large in environment pollution, and cannot provide hot water for users.

The invention relates to the technical field of rail transit equipment, and particularly relates to a rail transit escape device. The rail transit escape device comprises glass embedded in the side wall of a carriage, a safety hammer and an impact mechanism, the safety hammer comprises a hammerhead and a handle, a conical head is slidably connected in the hammerhead, a wireless switch button end is arranged in the hammerhead, the impact mechanism comprises an impact rod, a mounting seat, a first electromagnet and an impact block, one end of the impact rod penetrates through the side wall of the carriage and is close to the side end of the window glass, the mounting seat is rotatably connected with a first rotating shaft, the first rotating shaft is sleeved with a first torsional spring, the impact block is fixedly connected with the first rotating shaft through a connecting rod, and a metal stop lever for preventing the first rotating shaft from rotating is arranged on the mounting seat. According to the scheme, when the safety hammer is used for hitting the glass from the side of the glass while hitting the glass from the front, so that the glass can be broken more easily, the glass breaking speed is increased, more escape time is won for safe escape of passengers, and the safe escape efficiency is improved.

The invention provides a non-contact acoustic emission detection method for the safety state of a building structure in a fire scene, which comprises the following steps: S1, scanning the building structure in the fire scene by using an acoustic emission detector with a non-contact probe, and collecting an acoustic emission signal; S2, amplifying, conditioning and analyzing the acoustic emission signal, converting the acoustic emission signal into an audio signal, and outputting the audio signal; and S3, extracting characteristic parameters from the acoustic emission signals, substituting the characteristic parameters into a building structure safety state discrimination model to obtain a building structure safety state level, and outputting corresponding early warning signals. According to the non-contact acoustic emission detection method for the safety state of the building structure in the fire scene, real-time detection of the safety state of the building structure in the fire scene and early warning of collapse of the building structure are achieved.