498results about How to "Reduce fire" patented technology

The present invention provides systems, apparatus and methods for applying electric current to neurons in the brain to treat disorders and to improve motor and / or memory functions in a patient. In a method according to the invention, an electrode is positioned adjacent to and spaced from the skin surface of the patient's head and an electric current is applied through the electrode to a target region in the brain to modulate one or more neurons in the target region. The electrode is housed within an enclosure and spaced from the skin surface so that the electrode does not directly contact the patient's tissue, which reduces the potential for collateral tissue damage or necrosis and shields the electrode from the patient's tissue which substantially inhibits Faradic products (e.g., H+, OH−, H2O2) of the electrode from reaching the target site.

The present invention provides systems, apparatus and methods for applying electric current to neurons in the brain to treat disorders and to improve motor and / or memory functions in a patient. In a method according to the invention, an electrode is positioned adjacent to and spaced from the skin surface of the patient's head and an electric current is applied through the electrode to a target region in the brain to modulate one or more neurons in the target region. The electrode is housed within an enclosure and spaced from the skin surface so that the electrode does not directly contact the patient's tissue, which reduces the potential for collateral tissue damage or necrosis and shields the electrode from the patient's tissue which substantially inhibits Faradic products (e.g., H+, OH−, H2O2) of the electrode from reaching the target site.

A fire-extinguishing foaming chemical with covering function features that it contains F1157N or F1203, F3 or OBS or FC-4, JR-400 or sodium algate or CMC or HEC or cationic starch or chitosan or xanthan gum, CAB or LAB or MZL or K12 or APG, ethanediol butylether or propanediol butylether, glycol or diglycol or propanetriol, urea, anticorrosion agent and water through proportioning and compounding. Its advantages are high fire-extinguishing power, strong covering function and high effect on preventing evaporation of oil.

The invention provides antistatic flame retardant fiber and preparation method thereof. The cross section of the fiber is a sheath-core structure; a sheath layer contains conductive powder and halogen-free flame-retardant polyamide 6; a core layer is polyester, the polyamide 6 or a polyamide 66, wherein the weight ratio of the sheath layer to the core layer is (15:85) to (25:75), and the conductive powder accounts for 5-7% of the total mass of the sheath layer. Since conductive power is added in the halogen-free flame-retardant polyamide 6, so that the fiber is endowed with the antistatic function and the flame-retardant function, particularly the electrostatic absorption of dust, caused by fiber, can be reduced because of anti-static function, and then the cleanness and favorable cleanable performance of a fiber product can be kept; and meanwhile the fiber with the sheath-core structure can still keep favorable mechanical properties and spinning property. While keeping better antistatic and flame-retardant properties and mechanical properties, the fiber reduces the production cost and improves the processing properties, thereby being more user-friendly for downstream users.

The invention relates to a preparation method of a supported rubber anti-aging agent and an application thereof. The preparation method comprises the following steps of: firstly preparing a solution with the mass concentration of 0.5%-30% from a silane coupling agent and an organic solvent, further mixing with an inorganic carrier to form a mixture with the solid content of 2%-80%, and performing stirring reaction for 6-24h at the temperature of 40 DEG C-100 DEG C; then adding the rubber anti-aging agent in the molar concentration which is equivalent to 0.6-1.5 times of that of the coupling agent into a reaction product, and reacting for 10-20h at the temperature of 50 DEG C-80 DEG C under the protection of nitrogen; and finally filtering, washing and drying the reaction product to obtain the supported rubber anti-aging agent. The supported rubber anti-aging agent can significantly improve the aging protection effect of the anti-aging agent against rubber, integrates the functions of a reinforcing agent, an interface modifier and the like, reduces the environmental pollution and migration of the rubber anti-aging agent, becomes a high-efficient, multifunctional and environment-friendly novel rubber auxiliary, and has extensive application prospects in the rubber industry.

The invention discloses an electromagnetic induction heating roller in which high-frequency electromagnetic induction coils are arranged. The main body is a hollow roller body; a magnetism conductive iron core is arranged in the roller body; one end of the magnetism conductive iron core is connected with a cable connector through a half shaft; a heating coil wound on the magnetism conductive iron core is led into the roller body via the cable connector; a compensative heating coil wound on both ends of the magnetism conductive iron core is led into the roller body via the cable connector; a layer of water-filled isolating cavity is arranged in the wall of the roller body; and the surfaces of both ends of the roller body are respectively provided with a plurality of air holes for exhausting heat. The heating roller which is produced by utilizing the electromagnetic induction heating principle can replace various other heating rollers which are still used in a large quantity at present. Compared with the currently used steam heating, resistance wires, electric heating tubes or method for heating the surface of the heating roller with hot kerosene, the electromagnetic induction heating roller can save more electricity consumption and increase the temperature stability and precision of the roller surface.

The invention relates to a novel flame redundant material and a preparation method thereof. The flame redundant material comprises the following raw materials in part by weight: 100 parts of polypropylene, 5 to 16 parts of modifier, and 5 to 50 parts of compound flame redundant. The novel flame redundant material has better flame redundancy, and can effectively reduce the occurrence probability of fire disasters and damage caused by the fire disasters compared with other polypropylene plastic foaming materials. In the same foam expansion ratio, the method can prepare flame redundant materials with different flame redundancy by controlling the content of the compound flame redundant.

The invention discloses a fire alarm control system which comprises a master controller, a wireless communication module and a power module, wherein the wireless communication module is connected with the master controller; the input end of the master controller is connected with a signal acquisition module and a camera; the output end of the master controller is connected with a water spray suppression device, a guiding system, a broadcasting system and a scavenger fan; the guiding system is connected with an indicator lamp module; the broadcasting system is connected with a loudspeaker box; the wireless communication module is connected with a monitoring host; the signal acquisition module, the camera, the guiding system and the broadcasting system are arranged at the stairway in the building; the water spray suppression device is arranged at the top in the building; the scavenger fan is arranged on the wall and communicated with the outdoor; the monitoring host is arranged in the residential area monitor room. The fire alarm control system can be used for indicating the safe escape direction and displacing the dense smoke outdoors through the scavenger fan while reducing the fire by the water spray suppression device, and has the advantages of high control reliability, high working stability, long service life, strong practicability, good using effect and convenience in popularization and use.

A hydro fire mitigation system is provided that is associated with a structure. The system employs a number of sensors that detect an oncoming fire, which directs a controller to initiate fluid flow through a number of sprinklers. The system is fully autonomous and does not require municipal water or power during use.

The invention relates to an Internet of Things fire home cloud detection system. The system comprises a cloud server, a home monitoring terminal, an intelligent gateway router, a memory, a display module, an Internet of Things wireless terminal, a power supply module, a fire control module, a gas leakage detection module, an alarm module and a smoke detection module. The home monitoring terminal is connected with the cloud server through the intelligent gateway router. The home monitoring terminal is connected with the memory, the display module, the power supply module and the fire control module through the Internet of Things wireless terminal. The fire control module is connected with the gas leakage detection module, the alarm module and the smoke detection module. The fire control module is wirelessly connected with the Internet of things wireless terminal in real time for monitoring. According to the invention, the system has the advantages of ingenious design and diversified functions, and plays the dual roles of monitoring and quick alarm; and through the cooperation of the home monitoring terminal and the cloud server, fire is greatly reduced.

The invention discloses an economic and environment-friendly polymer-based cable bridge which comprises the components with the content as follows: 100phr of polyvinyl chloride (PVC), 5phr of Ca-Zn compound stabilizer, 10phr of chlorinated polyethylene (CPE), 3phr of P83, 0.5phr of paraffin wax, 0.3phr of polyethylene (PE) wax, 0.4phr of acrylic acid (ACR), 10phr of calcium carbonate whisker, 8phr of DBDPE, 5phr of nano antimonous oxide, 2phr of compound zinc borate, 5phr of titanium dioxide, 0.5phr of 1010 and 0.2phr of UV-531. The economic and environmentally friendly polymer-based cable bridge breaks through the key technology of strength and water resistance of fire-proof and environment-friendly multi-element composite material, and has the characteristics of being environment-friendly, attractive, light in mass, flame retardant, corrosion-resistant, low in manufacturing cost, convenient in field installation, long in service life and the like, thus being widely applied to industries such as chemical industry, petroleum and the like and being more suitable for being used in the environmental conditions such as dampness, salt mist and chemical gas.

The invention discloses a fault arc detection method and detection apparatus, and relates to detection of electrical faults. The method comprises the following steps: acquiring circuit signals; determining whether an acquisition point quantity reaches a preset value of an acquisition point quantity within 0.5 s, if so, performing the next step, and otherwise, returning; performing wavelet threshold noise reduction on the acquired signals by use of DB4 wavelets; performing two-layer wavelet transformation on the signals after the noise reduction; extracting a second-layer high-frequency coefficient; processing the second-layer high-frequency coefficient; counting the quantity of points which are not zero in the processed second-layer high-frequency coefficient; and if a statistical value is greater than a preset threshold, giving an alarm, and otherwise, returning to the first step. A single-chip microcomputer module is connected with a signal conditioning module, a driving module and a power supply module, the signal conditioning module is connected with a sensor module, and the single-chip microcomputer module comprises a signal acquisition module and a calculation module. According to the invention, the purposes of improving fault arc detection precision, reducing the false alarm rate and improving the detection accuracy are realized.

The invention relates to a composite material with high obstruction and high performance and a preparation method thereof. The composite material with high obstruction and high performance is a laminated body sequentially compounded by a polyfluoroethylene thin film layer, a polyurethane adhesive layer, an AL / PET film layer, a polyurethane adhesive layer, a Kevlar fabric layer and a polyurethane coating. The composite material can ensure lower gas permeability and good mechanical properties and fatigue resistivity under the condition of lighter quality and can be really adapted to the application requirement on the material with high obstruction in the aerospace field. The preparation method is a dry method solvent-free composite technology, the solid content of adhesive used for the method is 100 percent, and no solvent is contained. The method has the great characteristics of environment protection, high product hygiene index and product quality guarantee.

A low-harm filter-tipped cigarette, comprising a filter tip and a cigarette, the filter tip consisting of a filter stick and a filter having at least one fume condensation / oxidation cavity, the filter being equipped between the filter stick and the cigarette; a head section of the lighting end of the cigarette not being equipped with cut tobacco beam and presenting a cavity shape, or the cavity being inlaid or bonded with a flammable bulkhead for support and beautification, and the flammable bulkhead being able to be equipped with spiceries or medicaments beneficial to health. The prevention provides a technical proposal of low-harm filter-tipped cigarette from the two aspects of reducing the length of the cut tobacco beam properly and improving the filtering effect of the filter tip on harmful substances.

The invention discloses a fireproof rolling curtain with a self-triggering function. The fireproof rolling curtain comprises a fixing rod arranged on the side wall of a wall body, a fireproof curtainis wound on the side wall of the fixing rod, the lower end of the fireproof curtain is fixedly connected with a lifting plate, a lifting block is fixedly connected to the side wall of the lifting plate, and the lifting block has magnetism; a fixing groove and an auxiliary groove are formed in the side wall of the wall body, the lifting block is located in the fixing groove, a counterweight block is slidably connected in the auxiliary groove, and the counterweight block has magnetism; the lifting block is fixedly connected with the upper wall of the counterweight block through a connecting rope, a control cavity is formed in the wall body, and a first rotating shaft and a second rotating shaft are rotationally connected to the inner wall of the control cavity through a bearing; and a firstbevel gear is arranged at the tail end of the first rotating shaft, and a second bevel gear meshed with the first bevel gear is arranged at the tail end of the second rotating shaft. According to thefireproof rolling curtain, the fire field can be isolated in time, the fire behavior can be prevented from spreading to other areas and can be reduced, and the time can be saved for firefighters.

An electrolyte composition includes (a) a solvent composition including at least one hydrofluoroether compound, the hydrofluoroether compound including two terminal fluoroalkyl groups and an intervening substituted or unsubstituted oxymethylene group, each of the fluoroalkyl groups including only one hydrogen atom and, optionally, at least one catenated (that is, in-chain) heteroatom, with the proviso that, when the oxymethylene group is unsubstituted, at least one of the terminal fluoroalkyl groups is branched and / or includes at least one catenated heteroatom; and (b) at least one electrolyte salt.

The invention provides a water spraying fireproof door capable of delaying fire, including a frame, a rectangular bucket, bakelite plates, an evaporation cavity, an evaporation liquid, a water pipe, water, an evaporation box, an air pipe, a balancing weight, a rubber sheet, a clamping block, a gasket, a sheet, an air outlet, a nozzle and a protrusion; the rectangular bucket is seamlessly welded atthe bottom of the inner wall of the frame; two bakelite plates are adhered to the inner wall of the rectangular bucket through structural adhesives; and the evaporation cavity is formed in the rectangular bucket, the evaporation box is embedded and welded to one side of the frame, the air pipe is seamlessly embedded into the top of the evaporation box, the evaporation cavity and the evaporation box are filled with evaporation liquid with uncertain shapes, the water pipe is embedded into the frame, the rectangular bucket is filled with water with uncertain shapes, and the balancing weight is arranged between the bakelite plates in a seamless sliding mode. The water 7 in the rectangular bucket 2 can be rapidly sprayed out of the frame 1 through the water pipe 6 and the nozzle 16 when the frame 1 encounters a fire, so that the fire spreading function is greatly slowed down, and precious time is gained for people to escape.

The invention relates to the technical field of plastic bag processing and particularly relates to a surface leveling mechanism for a plastic woven bag. The mechanism comprises a bracket. A pair of rotary shaft holes are formed in the outer wall of the bracket, U-shaped brackets are rotatably connected to the rotary shaft holes, a pair of transverse rods is fixedly connected to the side wall of the bracket, a spring is fixedly connected to the outer wall of each of the transverse rods, one end, far from each of the transverse rods, of the spring is fixedly connected to each of the U-shaped brackets, a leveling roller is rotatably arranged on each of the U-shaped brackets, the leveling roller comprises a roller, a plurality of spokes are arranged on the inner wall of the roller, a sleeve isarranged in the middle of an inner cavity of the roller, the plurality of spokes are fixedly connected to the sleeve, and the sleeve sleeves each of the U-shaped brackets. According to the surface leveling mechanism for the plastic woven bag, wrinkles of the woven bag can be prevented, so that the leveling function is achieved; meanwhile, sponge is arranged in the inner cavity of each of the leveling rollers, clean water is injected into the inner cavity of the leveling roller to eliminate part of static electricity generated by bag making, so that the probability of fires is reduced.

The invention refers to a stator paint dropping technique and paint-dropping device. The method: only when the paint dropping heat contacts the stator coil, the insulating paint can be output to droppaint; the paint-dropping device is composed of clamp, paint dropping head, elastic collet, active bracket and vernier bracket. The paint dropping head has the ability to store paint and adopts contact-type and intermittent paint dropping.

The invention provides an outer wall insulating system integrated with the construction of a shear wall structure with a lightweight-steel framework. The outer wall insulating system comprises a heat insulation board (1), an inner side steel wire mesh (2), an outer side steel wire mesh (3), oblique steel wires (4) and an outer decoration base layer (5), wherein the oblique steel wires (4) are obliquely intersected, penetrate through the heat insulation board (1) in an intersected manner and are connected with the inner side steel wire mesh (2) and the outer side steel wire mesh (3); and the outer decoration base layer (5) is arranged on the outer side of the heat insulation board (1). The outer wall insulating system can be industrially produced according to the specified specification; the heat insulation board (1) can be compounded with the outer decoration base layer (5) in a factory to form a prefabricated heat insulation board according to the need; during construction, the prefabricated heat insulation board can be used as a dismantling-free template on the outer side of the an outer wall; and the prefabricated heat insulation board is cast with concrete and is commonly form a heat-insulation and structure integrated outer wall system with a main body structure. The inner surface of the heat insulation board (1) is coated with a flame-retardant interface agent or a polymer mortar layer (8) for playing a role of resisting fire is arranged on the inner surface of the heat insulation board (1) according to the requirement of engineering, so that the compound heat insulation board of which two sides are respectively provided with fireproof surface layers are formed.

The invention provides an exterior wall insulation and decoration system provided with the functions of thermal insulation, decoration and fire prevention and integrally constructed with the structure, and a manufacture and installation method thereof. The insulation and decoration system includes insulation decorating plates serving as exterior formworks, as well as horizontal and vertical caulking strips and fixing pieces, wherein grooves are arranged on the peripheries of the insulation decorating plates; the caulking strips are arranged between the insulation decorating plates and embedded in the grooves; the horizontal caulking strips are provided with horizontal ribs and used for supporting the insulation decorating plates at the upper part during the installation, and installation seams with fixed width are formed between the insulation decorating plates; when the formworks are supported, gaps reserved between the horizontal and the vertical caulking strips are used for mounting wall-penetrating anchor rods; and anchor bolts are embedded in the insulation decorating plates, threads are arranged at the end parts of the anchor rods and used for being connected with the fixing pieces. According to the invention, the fixing pieces are used for connecting the insulation decorating plates with light steel frameworks inside a concrete wall body through the anchor bolts, so that the distance from the light steel frameworks to the inner sides of the insulation decorating plates is kept unchanged, and the thicknesses of protective layers on the two sides of concrete after concreting are accurate.

The invention discloses an isolated type fire extinguishing system for an underground coal mine. The isolated type fire extinguishing system includes a mine, wherein sliding cavities are formed in theinner walls of the two ends of the mine, first magnetic blocks are slidably connected into the sliding cavities in a sealed mode, the first magnetic blocks are elastically connected to the inner topsof the sliding cavities through springs, and the sliding cavities are divided into upper cavities and lower cavities by the first magnetic blocks. According to the isolated type fire extinguishing system, through arrangement of a water spraying mechanism, the first magnetic blocks, second magnetic blocks, a telescopic air bag and a memory metal sheet, when the fire temperature in the mine rises,evaporation liquid is heated to evaporate to push the first magnetic blocks to move downwards, so that the second magnetic blocks and sealing covers are driven to move downwards; the first magnetic blocks move downwards to extrude the air in the sliding cavities into a water storage cavity, so that water in the water storage cavity is extruded out to minimize the fire; when the sealing covers aremoved down to the inner bottom of the mine, a closed space is formed to isolate oxygen, so that the fire is put out; and in addition, the memory metal sheet is deformed by heat, the telescopic air bagis stretched, and the air in the closed space is extracted to further accelerate the fire extinguishing speed.

The invention discloses a method for solving the problems of moisture absorption and stickiness of a fabric with a phosphorus flame retardant coating. The method comprises the following steps: by taking two kinds of silane mixed monomers as modifiers and adopting ammonium hydrolysis in an alcohol medium, preparing silica modified sol, then adding 10-20% of phosphorus flame retardants and obtaining a phosphorus-silicon synergistic flame retardant by adopting sol-gel technology; finally coating a raised seat fabric with acrylate emulsion, the phosphorus-silicon synergistic flame retardant, a thickener and water and drying and baking the raised seat fabric, thus obtaining the product. The method has the beneficial effects that the flame retardant efficiency and water resistance of the fabric adopting the phosphorus-silicon synergistic flame retardant are improved, the combustion performance meets the requirement of the national B1 level, and meanwhile, the defects of surface efflorescence, soapy handfeel, stickiness, and the like of original phosphorus are improved.

The invention relates to the technical field of power lithium battery manufacturing, in particular to a method for preparing a ceramic diaphragm, a ceramic diaphragm and a power lithium battery. The ceramic diaphragm includes a substrate layer including an upper surface and a lower surface, and the coating layer covering the upper surface and the lower surface of the substrate layer, wherein the coating layer is made of the nano ceramic particles. The objective of the invention is to solve the problem of daily use safety such as fire and explosion hazard of the power lithium battery caused bythe high temperature causing thermal runaway of the power lithium battery.

The invention belongs to the technical field of new material, and concretely relates to an improved preparation technology for enhancing the functionality of a polyvinyl chloride (PVC) material. The preparation technology of the present invention comprises the following steps: 1)preparing a nano reinforcement; and 2)preparing the hybrid PVC functional composite material by a chemical solution method to prepare the hybrid PVC functional composite material. According to the invention, zinc oxide and titanium dioxide are composited for usage, anti ultraviolet performance of the composite material can be greatly increased; nano-sized magnesium hydroxide, zinc oxide and titanium dioxide particles are organically combined to prepare the PVC functional composite material, PVC anti ultraviolet capability can be optimized, aging rate can be reduced, service life is prolonged, flame retardation performance is enhanced, fire hazard generation is reduced, and the external environment adaptation capability of the PVC material at Qinghai-Tibet plateau can be finally increased.

The invention discloses an environment monitoring system of a commercial machine room. The system comprises an environment acquisition module, a positioning module, a personnel detection module, an image acquisition module, a control module, a wireless communication module, an alarm module, a power supply cut-off module and a mobile terminal, the control module is separately connected with the environment acquisition module, the positioning module, the personnel detection module, the image acquisition module, the wireless communication module, the alarm module and the power supply cut-off module, and the personnel detection module and the image acquisition module are separately connected with the mobile terminal. According to the system, environmental parameters are detected through the environment acquisition module, once the environmental parameters are abnormal, the control module sends a control instruction to the power supply cut-off module; the identity of personnel entering the machine room is recognized and images in the machine room are acquired through the personnel detection module and the image acquisition module, and the information is sent to the mobile terminal through the wireless communication module; and the system is advantaged by high security and high accuracy, the incidence of fire in the machine room is reduced, and the personnel management efficiency is improved.

The invention provides a safe and slow release chlorine dioxide disinfectant and relates to the technical field of daily disinfectants. The disinfectant is prepared from 50-60 parts by weight of a slow-release passivation stabilizer, 10-20 parts by weight of anhydrous sodium chlorite, 10-18 parts by weight of anhydrous sodium hydrogen sulfate, 7-12 parts by weight of anhydrous magnesium sulfate and 0-13 parts by weight of povidone K. The nano-attapulgite in the nanometer formula has the function of passivating a strong oxidizing substance, and the special multi-channel structure can effectively adsorb and control the moisture content so that the risk of ignition or explosion of a chlorine dioxide disinfectant product in the preparation and trial processes are significantly reduced or avoided and the slow release effect is obtained. The safe and slow release chlorine dioxide disinfectant has the ability to stably produce a low concentration of chlorine dioxide gas for six months and isespecially suitable for household disinfection and cleaning of daily necessities.