589results about How to "Convenient and quick escape" patented technology

The invention discloses a solar cell with a composite dielectric passivation layer structure and a preparation process thereof. A silicon oxide film, an alumina film and a silicon nitride or silicon oxynitride film are deposited in turn on the front, back and sides of a p-type silicon substrate to form a composite dielectric film on the whole surface, and windows are opened locally to lead electrodes out. Through aluminum oxide, silicon dioxide, silicon oxynitride, silicon nitride with different refractive indexes and a back surface passivation layer with a laminated structure of the materials, the back surface recombination rate is greatly reduced, the back reflectivity is improved, the CTM of a module is reduced, and the light attenuation and heat-assisted light attenuation and the anti-PID performance of the cell are improved. The structure can be made on a boron / gallium-doped p-type monocrystalline silicon, p-type polycrystalline silicon or p-type monocrystalline-silicon-like substrate, and a passivation method based on the composite dielectric film passivation structure can be used to manufacture PERC cells, double-sided PERC+ cells and imbricate PERC cells. Based on the preparation process steps and sequence, the corresponding preparation mode and the process parameter range of the laminated structure, the making of the cell can be well completed.

The invention provides a single frame control moment gyro control method based on moment output capability optimization, relating to the prompt satellite attitude control field and solving the problems that the existing single frame control moment gyro control rule can not effectively avoid strange and big moment error can be caused when escaping strange. The method includes the concrete steps that: a satellite attitude control system obtains the current expected moment Tc output by CMG system according to the current attitude information; capability optimized frame angular velocity for the CMG system to output the expected moment Tc is calculated; and a frame rotating speed instruction of CMG system is obtained according to the expected moment Tc and the optimal frame angular velocity, so as to realize satellite attitude control. The method of the invention can effectively avoid strange problem, and meanwhile output moment error can be reduced, thus improving satellite attitude control accuracy.

The invention relates to a crack-controlling method of metal parts by laser melting formation in laser material processing domain, which comprises closed-loop control of fused bath temperature, which comprises the two specific steps of exerting closed-loop feedback control on fused bath temperature by using optical imaging system and PID control device with calorific radiation transmitted from melting zone and adjusting horsepower of laser, and introduction of ultrasonic vibration, which comprises the specific steps of introducing ultrasonic vibration under the piece of work when forming by laser melting. The invention can deduce residual stress and crack, improve structure and can be used in multiple relative domains such as forming, manding and surface peening by laser melting.

A building escape railing system for mounting on a building and facilitating the rescue of persons and the access of emergency personnel and supplies to the building is disclosed. The building escape railing system includes at least one platform tracking for engaging the building and a vehicle engaging the at least one track for vertically transversing the at least one track. In one embodiment, the vehicle is a lift unit. In another embodiment, the vehicle is a rescue platform. In still another embodiment, the vehicle is a remote fire hose platform carrying a fire hose. In yet another embodiment, the vehicle is a brake mechanism that facilitates the gravity-assisted escape of persons from the building.

Provided is an obstacle avoiding method based on a dynamic window and virtual target points. A robot is guided by virtual target points to advance, and a motion instruction of the robot is issued through a dynamic window, and thus, the robot can avoid an obstacle to reach a target point. First, a robot predicts the motion track of an obstacle according to the angle and distance information of theobstacle fed back by a sensor on the robot; then, multiple virtual target points are generated according to the track prediction of the obstacle, the motion state of the robot and the position of a real target point, and an optimal virtual target is screened out by considering the direction of the robot and the distance between the virtual target points and the real target point through an evaluation function; and finally, the robot generates a control instruction set of the robot for the next moment through a dynamic window approach according to the track prediction of the obstacle and the positions of the virtual target points, and screens out an optimal control instruction of the robot for the next moment by considering the direction and motion speed of the robot and the distance between the robot and the target point through an evaluation function.

Synthesis of polystyrene and / or other thermoplastic polymers or polymer blends which, for example, contain activated carbon and / or bamboo carbon carrying a co-blowing agent such as water and / or at least one of 1-dimensional, 2-dimensional, and 3-dimensional nano / micro-materials in suspension polymerization without using the inverse emulsion process. CO2 or other blowing agent based foaming processes such as extrusion, batch foaming, and injection molding may then be carried out to produce polymer foams that have low density, high-R value, bimodal structures, good mechanical properties, and high fire retardance.

The invention belongs to the technical field of intelligent management, and relates to a cloud platform management system for a smart community. The system comprises a public security cloud service subsystem, a street cloud service subsystem, a property cloud service subsystem, a resident cloud service subsystem and a house renting cloud service subsystem which are in network connection to form the cloud platform management system. Cloud computing, big data and Internet of Things technologies are adopted, so that integration and analysis of community front-end management system data and modular management of multiple subsystems are achieved; artificial intelligence, deep learning and other technologies are adopted, convenience and resident-benefiting services are provided for community residents, a comfortable ecological environment is created, and a sustainable smart community is created; and meanwhile, accurate service is provided for the residents, and management is carried out in the service; through information sharing and resource integration, transformation and upgrading of community management are realized.

The invention relates to hyperbranched polyamino acid. The chemical composition is as follows: in the formula of (Lys-)a-(-Arg-)b-(-His-)c-(-X)d, Lys, Arg and His are respectively lysine, arginine and histidine, X is one of or a plurality of any amino acids except for the amino acids above, wherein a is not less than 0.2 and not more than 0.95, b is not less than 0 and not more than 0.8, c is not less than 0 and not more than 0.8, d is not less than 0 and not more than 0.3, and the sum of a, b, c and d is 1. The preparation method is as follows: uniformly mixing lysine or lysine salt with other amino acids or the amino acid salts contained in the hyperbranched polyamino acid to react for 2-64h at the temperature of 130-180 DEG C and then obtain yellow solid, and finally purifying the coarse product with a precipitation method to obtain the hyperbranched polyamino acid. The hyperbranched polyamino acid obtained in the invention can be used as nonviral gene carrier for the transduction of huamn or animal cell gene, and the hyperbranched polyamino acid nonviral gene carrier provided by the invention is reasonable in design, simple in preparation method, high in transfection efficiency, low cytotoxicity and favorable transduction efficiency in the presence of blood serum.

The invention provides an intelligent evacuation emergency indicating system and an intelligent evacuation emergency indicating method, and belongs to the technical field of fire safety. The intelligent evacuation emergency indicating system comprises an upper computer, a special-purpose emergency power supply, an emergency power distributing device, a plurality of emergency illuminating lamps and communication control equipment, wherein the upper computer is connected with the communication control equipment through a signal communication module; the communication control equipment is connected with the emergency illuminating lamps through signal communication modules; and the emergency power distributing device is electrically connected with the special-purpose emergency power supply and the emergency illuminating lamps. The invention also provides the intelligent evacuation emergency indicating method. By the intelligent evacuation emergency indicating system and the intelligent evacuation emergency indicating method, path indication and emergency illumination can be accurately and rapidly provided for people in a fire scene during evacuation and escape.

The invention relates to a method for opening a vehicle for escape by explosion. An escape outlet is formed by using an explosion bolt to open the escape doors of large vehicles like a bus, an electric car and a track vehicle. The explosion bolt is electrically ignited and exploded; the upper end of an escape door inclines outwards to form a slope surface for an escaper to slide down and fall on the ground; the quantities and the widths of the escape doors are enough to ensure the people of the whole vehicle to safely escape without plugging and trampling. The back window and the clearstory of the small vehicle are used as the escape outlets which can obtain more escape time when falling into the water specially. The vehicle escape door and the vehicle escape window are applicable for the situation that the original normal door and window can not be opened when an emergency happens and are also applicable for simultaneously opening the escape door and window when the normal door and window can be opened, thus being capable of quickening the escape. The escape method has fast speed to open the escape outlet; the escape door is broad enough, thus being beneficial to grasping the escape chance which disappears instantly and ensuring successful escape.

The invention belongs to the technical field of high-rise escape, in particular to a high-rise fire safety escape device with an escape hatch. The upper part of a rope retraction mechanism is connected onto a telescopic suspending mechanism, and the lower part of the rope retraction mechanism is connected onto an upper suspending position of the escape hatch. A stainless steel plate is covered to the external surface of the framework of the escape hatch, a heat insulating layer is spread on the internal surface of the stainless steel plate, a hatch door for personnel to go in and out the escape hatch is arranged on the side face of the escape hatch, and the upper part of the hatch door is provided with a movable window. The rope retraction mechanism is a motor-driven rope retraction mechanism with a motor powered by a storage battery, or a manual rope retraction mechanism or a combination of the electric rope retraction mechanism and the manual rope retraction mechanism. The high-rise fire safety escape device is driven in a manner combining electric driving and manual driving, can accommodate 5-10 people or dozens of people for escaping simultaneously, has the advantages of strong applicability, reasonable structure and good safety, is convenient to store and is applicable to high-rise escape equipment for many people to escape once in families, units and the like.

The invention discloses a polyxeny aircraft additionally provided with a hydrofoil, and belongs to the field of aslant-rotation aircrafts, hydrofoils and ducted propellers. A hydrofoil device is installed at the belly part of the lower end of an aircraft body, and a tail part ducted propeller is installed at the tail part of the upper end of the aircraft body; a set of V-shaped empennages are installed at the two sides of the tail part ducted propeller; a left ducted propeller and a right ducted propeller are installed at the upper ends of the ends of left and right aerofoils respectively; floats are symmetrically installed at the lower ends of the aerofoils. According to the polyxeny aircraft, the ducted propellers are utilized for replacing propellers, the performance of the aircraft canbe improved, the left ducted propeller, the right ducted propeller and the tail part ducted propeller can aslant rotate, and vertical take-off and landing of the aircraft on the water surface and theground can be achieved; meanwhile, the hydrofoil device is adopted, so that the aircraft has the quick and flexible water surface movement capability, and has the features of aslant-rotation aircrafts and foilcrafts.

The invention discloses a high-rise escape machine and an automatic control method for escape. The invention belongs to the technical field of fire fighting equipment, and is used for self-life saving for people in tall buildings in case of fire hazards. The high-rise escape machine comprises a centrifugal mechanism (7), a braking mechanism (35), a rope recycling mechanism (36), a microcomputer controller (11), a machine frame (1), a storage battery (26), an upper pulley (5), a lower pulley (6), a safety hook (3) and a rope (4). The automatic control method of the high-rise escape machine for escape monitors the speed in the escape process in real time by using a microcomputer, and automatically controls the height of the brake point and the magnitude of the brake power of the magnetic powder brake (10) according to the height of the building and the weight of the persons, thereby realizing quick and safe escape. The invention can be widely used for office buildings, classrooms, residences and other locations.

A coolable housing shell for an electric machine, which is produced as a cast part, accommodates a concentric interior rotor / stator arrangement, coils, and end windings, and comprises a clear, open, through passage that is embodied in a symmetric, concentric, and / or coaxial manner relative to an imaginary axis of rotation of the machine. Said housing shell is interspersed with one or several cooling channels so as to form a coolant circuit. The inner surfaces of the shell and the inner walls of the channel / s have a coating via a cathodic dipping varnish method.

The invention discloses a high-rise building urgent safety escape device which comprises a main escape track installed on the outer wall of a high-rise building and a plurality of cassette mechanisms of the escape device, wherein, the main escape track is divided into a plurality of escape branch tracks that are installed on all the floors, and the cassette mechanisms of the escape device can slide on the escape branch tracks and the main escape track and can utilize friction force to adjust the sliding speed; each of the cassette mechanisms of the escape device is provided with a hitching hole of the cassette mechanism which is connected with safety escape clothes that can be rapidly worn in a detachable way; by using the escape tracks, the people can directly slide down to the bottom of the building from the places such as a balcony, a window or the like of each floor, and the departure time is short; as the escape tracks are arranged on the outer wall of the building, the people are prevented from being affected by smoke and dropping matters when in emergency and can safely escape; the cassette mechanisms of the escape device is provided with brake sheets which can control the slip velocity, and a damping spring used for reducing the slip impact is arranged at the end of the bottom of the main escape track, thus being fast and safe in evacuation.

The invention discloses a high-rise intelligent fire early-warning escape system, which comprises a fire early-warning system and an escape system, wherein the fire early-warning system comprises fire detection equipment, a fire alarm controller, a cell short-message server, fire alarm equipment and a fire-fighting linkage controller; the escape system comprises fire safety escape passageways, a plurality of intelligent fire signboards and multi-person slow-drop escape devices; the fire safety passageways are passageways paved on the wall sides of corridors of a high-rise building; the fire safety escape passages are led to the multi-person slow-drop escape devices or stairs; the multiple intelligent fire signboards are mounted on the fire safety escape passages; the fire detection equipment detects fire information in the high-rise building, and converts the fire information into a fire signal, as well as transmits the fire signal to the fire alarm controller; after confirming that a fire happens, the fire alarm controller controls to start the cell short-message server, the fire alarm equipment, the fire-fighting linkage controller and the multiple intelligent fire signboards; the cell short-message server transits the fire information to a mobile phone.

The invention discloses a stuck machine extricating method for a tunnel boring machine (TBM) during construction. 1, a cutter disk of the TBM is arranged to be composed of a center round panel and a side edge panel welded around the outer edge of the center round panel. 2, an inner layer structure and an outer layer structure which are arranged in the radial direction are adopted for a protection shield of the TBM, the inner layer protection shield body and the outer layer protection shield body are connected through bolts, and the inner layer protection shield body is connected with a needle beam of the TBM through a hydraulic telescopic oil cylinder. 3, when stuck, the cutter disk of the TBM is cut, the side edge panel is abandoned, the outer layer protection shield body is detached, and the inner layer protection shield body is retracted through the hydraulic telescopic oil cylinder; the complete TBM is pulled out of a tunnel by a trailer, a new side edge panel is transported into the tunnel, and then the complete TBM is transported into the tunnel again; and in the tunnel, the cutter disk is welded, the inner layer protection shield body and the outer layer protection shield body are connected and installed, and then boring can be conducted again. The stuck machine extricating method has the advantage that the problem that the TBM is stuck in a soft ground is effectively solved, and the advantage of fast boring of the TBM is fully achieved.

The invention provides a glass lifting driver for vehicles and a vehicle. The glass lifting driver is installed on a vehicle door so as to drive vehicle window glass to ascend and descend. The glass lifting driver comprises a motor, a worm and gear mechanism, a gear transmission mechanism, a gear switching mechanism and a hand-operated rocker arm mechanism, the worm and gear mechanism is connected with the motor to drive the vehicle window to ascend and descend, the gear switching mechanism is arranged on the vehicle door and connected with the gear transmission mechanism to control meshing or separation between the gear transmission mechanism and the worm and gear mechanism, and the hand-operated rocker arm mechanism is connected with the gear switching mechanism to drive gears to switch. By means of the glass lifting driver for the vehicles and the vehicle, the separated control over the lifting of glass in power-driven and hand-operated modes can be achieved, during daily usage, the power-driven mode is used, and the driver is attractive, convenient and fast; and when an accident happens to the vehicle, the hand-operated mode is used, passengers can rapidly escape, and the safety of the whole vehicle is improved.

The invention, on one hand, provides a building fire escape system, and on the other hand, provides a building fire refuge capsule. When a disaster such as fire or earthquake occurs, people can quickly escape from a building or temporarily shelter from risk to wait for rescue. The building fire escape system comprises an auxiliary descending device. When a fire disaster occurs, escape people can quickly evacuate from the building through the auxiliary descending device.

For a vehicle there is provided a fire extinguisher gas ejector combined with a device for cutting a seat belt rapidly and a device for breaking open a windshield reliably to facilitate a prompt escape from a vehicle compartment in an emergency, such as a vehicle fire and collision, the fire extinguisher gas ejector includes a gas cylinder in which a seal can be broken safely and easily without necessitating a safety member for preventing seal breaking while not in use and removing operation thereof, prevents fire extinguishing gas from being wasted after the seal is broken, emits the fire extinguishing gas to a fire origin reliably and accurately, and whereby early fire extinction can be achieved. The fire extinguisher gas ejector promptly alerts people of a problem, such as a vehicle fire at night, and ensures an emergency response and safety thereof.

The invention discloses an electronic chart-based auxiliary information indicating system for navigation safety in complex sea areas. The system comprises an information processing platform, wherein adata storage and inquiry unit and a navigation safety auxiliary unit are instantiated inside the information processing platform; the navigation safety auxiliary unit is used for obtaining navigationsafety auxiliary information from the data storage and inquiry unit and inserting the information into an electronic chart in a form of independent layer; a corresponding object mark is generated ona display interface of the electronic chart; and when an externally input touch screen instruction on the object mark is received or navigation information indicates that a ship enters a key area, thecorresponding navigation safety auxiliary information is displayed on the electronic chart. According to the invention, the graphic integrated display of the various navigation safety auxiliary information is achieved based on the electronic chart, so that the various navigation safety auxiliary information can be timely, comprehensively, intuitively and conveniently learned about by seafaring personnel; and various navigation auxiliary plotting can be achieved, so that decisions on location, navigation, risk avoiding and sheering can be fast and correctly made.

The invention belongs to the technical field of intelligent management, and relates to a smart community front-end management system. The system comprises a resident information acquisition subsystem,an entrance and exit personnel management subsystem, an entrance and exit vehicle charging management subsystem, an entrance and exit person and vehicle snapshot management subsystem, a perimeter electronic fence subsystem, a public area video monitoring subsystem, an apartment face access control subsystem, a cloud visitor management subsystem, a WIFI probe management subsystem, a fire protection management subsystem, an electronic patrol subsystem, an information publishing subsystem, a community monitoring center and a high-altitude parabolic subsystem. Subsystems exist in an independent mode, data collected by the subsystems are collected to the cloud server in network connection with the subsystems to be analyzed and processed, convenience, benefit and benefit services are provided for community residents, a comfortable ecological environment is created, a sustainable smart community is created, meanwhile, precise services are provided for the residents, and management is carriedout in the services. Through information sharing and resource integration, transformation and upgrading of community management are realized.

The invention relates to a vibrating wire-feeding method which is characterized in that right and left swinging of a welding gun is combined with reciprocating vibration of a welding wire; the automatic wire-feeding process is accompanied by the axial vibration of the welding wire; a molten welding material is deposited on the internal wall of a pipe, and the fluidity of a welding pool is greatly improved, so as to further improve the surfacing efficiency; the vibrating welding wire can uniformly stir the molten pool in the melting process of the welding wire, especially for the material with poor fluidity, such as nickel-base alloy, so that gas can escape rapidly when metal in the molten pool is stirred, and hot welding cracks and pores are reduced; as the vibrating wire-feeding stirs the molten pool, solidification and crystallization in the molten pool are uniform; the metallurgical structure of a surfacing layer is uniform and exquisite; the mechanical property of the surfacing layer is greatly superior to those of normal argon tungsten-arc welding and gas metal-arc welding; the quality of a surfacing joint is improved to a great extent; the property is good; the yield of products is greatly increased; and the property of the surfacing joint is greatly improved.

Exemplary embodiments of the present invention relate to polystyrene and / or thermoplastic polymer or polymer blend composite foam or a foamable polymeric material precursor, which contains activated carbon and / or at least one of 1-dimensional, 2-dimensional, and 3-dimensional nano / micro-materials in polystyrene and / or thermoplastic polymer and / or polymer blend matrix to carry a co-blowing agent such as water without using any surfactant-like molecules and / or polymers, having or adapted to have the properties of low density, high-R value, good mechanical properties, and fire retardance thereof. Exemplary embodiments of the present invention include various manufacturing methods that may be employed including, but not limited to, extrusion, batch molding, and injection molding. One example includes synthesis and CO2 and water-based extruded foaming of such a material.

The invention relates to a method for preparing environmentally responsive monodisperse cyclodextrin polymer hollow microspheres. In the process of preparing multi-cavity poly (N-isopropylacrylamide-cyclodextrin) hollow microspheres, the hollow microspheres are endowed with environmental responsiveness, and in the process of preparing crosslinking cores, acid monomers are added to be copolymerized with NIPAM monomers so as to obtain acidic cores; and after cyclodextrin monomers and a crosslinking agent are added into the acidic cores so as to obtain core / shell-structured microspheres, the core / shell-structured microspheres are treated by using alkali liquor, and an ionization effect generated by acid-base neutralization accelerates the collapse of cores and the swelling of crosslinking shell layers, so that the permeability of the shell layers subjected to swelling is enhanced, therefore, a situation that PNIPAM (core) chains in the shell layers quickly escape so as to obtain microspheres is facilitated, and PNIPAM and acid ingredients in the microspheres also endow the hollow microspheres with pH and temperature responsiveness. The method disclosed by the invention solves the problems existing in hollow microsphere preparation implanted by using the existing 'self-removable' technique.

The invention discloses a method for recovering nickel in a chemical nickel-plating ageing liquid, and the method comprises the following steps: (1) adding 1100-1300 parts by weight of the chemical nickel-plating ageing liquid into an electrolytic cell, and regulating the pH value of the ageing liquid to 8-10 by use of solid sodium hydroxide; (2) dissolving 0.01-0.03 part by weight of polyethylene glycol, 0.01-0.02 part by weight of 2-mercapto benzimidazole, 0.03-0.06 part by weight of thiourea, 0.005-0.03 part by weight of hide glue and 0.3-0.5 part by weight of sodium hypophosphite into 40-70 parts by weight of water, adding the mixture into the electrolytic cell, and adding 1-3 parts by weight of 5mol / L hydrochloric acid solution; (3) at normal temperature, on the basis of taking a stainless steel plate as a cathode and a reticular plate plated with iridium oxide titanium alloy as an anode, reacting for 8-10 hours at constant reaction current of 0.6-1.0A, thus obtaining a recoveredmetal nickel on the cathode. The method has the advantages of high recovery rate, simple equipment, low cost and the like, works at normal temperature and is easy to realize.

The embodiment of the invention discloses an escape method for an indoor place and a user terminal. The method can comprise the steps that when the user terminal detects an escape request, the user terminal sends the escape request to a server corresponding to the indoor place, so that the server acquires a current position of the user terminal, and the server is enabled to generate an escape route according to the current position of the user terminal, an exit position of the indoor place and gas concentrations of various positions in the indoor place; the user terminal receives the escape route sent by the server; the user terminal maps the escape route to an indoor map corresponding to the indoor place. By adopting the escape method for the indoor place and the user terminal, when situations such as fire or gas leakage occur in the indoor place, the user terminal can provide the escape route for a user, thus improving escape convenience, and escape probability and efficiency of the user.

The invention provides a lift emergency escape system. Use an emergency operation button in elevator car with an assistant control panel and an assistant door-opening system to switch to standby power supply system. Set a light induction system and direction judgment system between elevator car and lifting space. Lift can make the best operation by means of light induction system when passenger presses the emergency button, which can make passenger escape in an automatic and safe program. So the invention is an emergency escape system which can assistant passengers escape rapidly with a simple operation program.

The invention provides high-temperature-baking resistant and water-based paint. The provided high-temperature-baking resistant and water-based paint utilizes the molecular design of quick drying emulsion, water in a coating thus quickly escapes, and the purpose of quick drying is achieved; by adding heat conducting filler, the difference between the inside temperature and the outside temperature of the paint is adjusted, and the gasification speed and escaping speed of the water are controlled; meanwhile by using the microporous foaming technology of the porous filler, the inside and outside of the paint form an interpenetrating microporous network system, steam in the paint thus can be smoothly led out, and key problems that a formed film is cracked and bulging occurs in the high-temperature baking process of water-based damping paint and other problems are solved fundamentally. The experimental results show that when the provided high-temperature-baking resistant and water-based paint is 2 mm, after being braked at 140 DEG C for 30 min, the film is not cracked, no bulging occurs, and the adhesion of the paint to a substrate is good.

The invention discloses a manufacturing method of an offshore lifesaving waiting device, which comprises a container and a water leakage pipe also serving as a gas guide pipe, wherein a gas exchange pipe, an inflated bag, a bracket, an inflated boat, a motor and the like are arranged between an interior and the container. The totally-closed folding offshore lifesaving waiting device disclosed by the invention has the characteristics of being small in structure, light in weight, totally closed, folding, simplicity for operation and the like and is an ideal tool for people to save lives and wait when a steamship is periled at sea.