39results about How to "Prevent "burning"" patented technology

A light emitting apparatus receives an external power and includes a light-emitting unit, two rectifiers, a first electrical connection element and a second electrical connection element. Each of the rectifiers has a first input terminal, a second input terminal, an output terminal and a ground terminal. The output terminals are electrically connected together and are electrically connected with the light-emitting unit. The first electrical connection element is electrically connected with the external power and the first input terminals. The second electrical connection element is electrically connected with the external power and the second input terminals. The light emitting apparatus can replace the traditional fluorescent tube without changing the circuit of the lighting.

The invention relates to an all-solid-state lithium ion battery diaphragm of a microspheric structure and a preparation method thereof, belongs to the technical field of manufacturing of a lithium battery, and aims at providing a solid polymer electrolyte membrane and a modified all-solid-state polymer electrolyte membrane which are used for solving the bottleneck problem of solid polymer electrolyte, i.e. for improving the room-temperature conductivity of the all-solid-state polymer electrolyte. The spherical granularity of the polymer electrolyte membrane and the modified inorganic/organic composite electrolyte membrane is 100nm to 500nm. The prepared all-solid-state polymer electrolyte membrane is good in heat stability and high in room-temperature conductivity and lithium ion transference number. By virtue of the dry-state polymer electrolyte, the phenomenon that an ordinary liquid battery is likely to burn and explode and the like can be avoided, and the safety reliability of the battery can be improved.

The invention discloses a corrugated metallic sheath inorganic mineral insulated cable and a manufacturing method thereof. The cable consists of an inner cable core, an insulating layer winding the outside of the cable core, and an outermost metallic sheath; the cable core is formed by twisting a bundle of copper wires, the insulating layer is an inorganic mineral insulated tape, the metallic sheath is a copper corrugated tube, corrugation of the copper corrugated tube has upper peaks and lower valleys, the cable core, the insulating layer and the copper corrugated tube have the same length, and the surface of the copper corrugated tube is provided with a welding seam with the same length of the copper corrugated tub along the axial direction. As the cable takes a corrugated shape, the cable is easy to be bent and mounted in a laying field, which lowers the construction cost, can prevent a cable conductor and the insulating layer from being directly burnt by flame, prevents a phase and phase conductor from short circuit, and prevents elevators and fire fighting devices from being incapable of operating without power supply, thus obtaining precious time to facilitate persons to escape in time, and reduce property loss.

The invention discloses a laser cutting device. The laser cutting device comprises a bottom plate, a laser transmitter main machine, a pole piece clamp and an exhaust duct, wherein the main machine is movably connected to the bottom plate and can perform ascending and descending movement relative to the bottom plate, and the main machine is connected with a cutting head through a supporting arm; the pole piece clamp is movably connected to the bottom plate, and the angle between the pole piece clamp and the bottom plate is adjustable; exhaust holes are formed in the two ends of the pole piece clamp; and the exhaust duct is disposed on the bottom plate and connected with the exhaust holes so as to provide a gas channel for performing gas pumping or gas blowing on an object fixed to the pole piece clamp. By means of the laser cutting device provided by the invention, the technical problem that by means of laser cutting devices in the prior art, small particles are generated and damage gel electrolyte is solved. The provided laser cutting device is applicable to cutting of a novel gel lithium ion battery pole piece.

The invention discloses an efficient composite fire extinguishing agent and a preparation method thereof, and relates to the technical field of firefighting. The fire extinguishing agent comprises, byweight, 28-36 parts of heptafluoropropane, 40-48 parts of 1,1,2,2,3,3,4-heptafluorocyclopentane, 4-8 parts of liquid nitrogen, 6-12 parts of ammonium bicarbonate, 1-5 parts of calcium carbonate, 1-3parts of potassium sulfate, 2-6 parts of talcum powder and 1-5 parts of diatomite. The fire extinguishing agent has the advantages of combination of the fire extinguishing advantages of several physical and chemical fire extinguishing agents, improved fire extinguishing efficiency, low corrosivity, long atmospheric survival time and low greenhouse effect potential value.

The invention discloses an on-off control device and system. The on-off control device comprises a detector, a controller and a relay. The detector is used for detecting whether combustible refrigerating fluid of an air conditioner leaks to obtain a detection result, and generating a detection signal according to the detection result. The controller comprises the receiving end and the controlling end and generates a control signal according to the detection signal, wherein the receiving end is connected to the detector. The first end of the relay is connected to the controlling end and used for being connected with a power source, the second end of the relay is connected to the air conditioner, and the relay is used for opening or closing a circuit where the air conditioner is located according to the control signal. According to the on-off control device and system, the problem that the potential safety hazards such as combustion and explosion caused by leakage of the combustible refrigerating fluid can not be prevented in the correlation technique is solved.

The invention relates to a biomass circulating-fluidized-bed gasification device, which comprises a fluidized-bed gasification furnace body, an air supply mechanism, a material feed mechanism, a primary cyclone separator and a material return apparatus, wherein the air supply mechanism is connected with the bottom end of the fluidized-bed gasification furnace body; the material feed mechanism is arranged on the side edge of the fluidized-bed gasification furnace body; the primary cyclone separator and the material return apparatus form a circulating fluidization structure together with the fluidized-bed gasification furnace body; the fluidized-bed gasification furnace body, the primary cyclone separator and the material return apparatus are mutually connected in sequence; the material return apparatus is connected with a material return fan and a steam supply mechanism respectively. According to the device provided by the invention, the material is returned by adopting steam and the generation of returned material slagging is avoided.

The invention discloses a sulfonation crosslinking cyclodextrin starch microcapsule flame retarding and smoke suppressing agent. The microcapsule flame retarding and smoke suppressing agent is composed of an internal investing material and an outer covering capsule layer. The internal investing material is prepared from, by mass, 80-100 parts of phosphoric acid, 60-80 parts of cyclodextrin, 50-60 parts of starch, 200-300 of concentrated sulfuric acid, 30-50 parts of a cross-linking agent, 10-20 parts of urea, 2-5 parts of emulsification paraffin and 2-5 parts of a surface active agent. The outer covering capsule layer is prepared from, by mass, 1-2 parts of nanometer CaCO3 and 50-70 parts of melamine resin. The environment-friendly flame retarding agent is efficient and low in toxicity. The invention further provides a preparation method of the sulfonation crosslinking cyclodextrin starch microcapsule flame retarding and smoke suppressing agent. biomass material processing surplus materials are developed and recycled, and the interface compatibility of cyclodextrin and the covering capsule layer is improved.

The invention discloses an aluminum paste gas protection ball milling system. The aluminum paste gas protection ball milling system comprises a raw material supply part, a symmetric ball milling part,a gas protection part, a discharging screening part, an oil liquid recycling part and an oil way cooling part, wherein the raw material supply part comprises a raw material tank, a mixing barrel anda cold oil storage tank; the mixing barrel communicates with the raw material tank and the cold oil storage tank; the mixing barrel mixes aluminum powder and kerosene and conveys the mixture to the symmetric ball milling part; the symmetric ball milling part comprises at least two independent ball mills; the gas protection part comprises a gas storage tank; and the gas storage tank communicates with the symmetric ball milling part and fills the symmetric ball milling part with protection gas.

A dimming circuit for a gas-discharge lamp includes a first terminal and a second terminal for inputting AC power, a variable resistor and a capacitor connected with the respective first end to each other and the respective second end to the first input terminal and the second input terminal respectively, a bi-directional diode connected with one end to the first end of the variable resistor and the first end of the capacitor, a TRIAC, which has the gate thereof connected to the second end of the bi-directional diode and one end connected to the second input terminal, and a switch connected in series between the second input terminal and the capacitor for circuit on/off control, for enabling the light intensity of the gas-discharge lamp to be regulated subject to change of the resistance value of the variable resistor.

One embodiment of a disclosed cable protection device connected between the positive and negative wires of the cable that provides an efficient method of protection from overheating of the device due to changes in temperatures with minimal power dissipation. The cable protection device includes a temperature monitoring device that continuously senses the temperature of the cable and device to check for overheating. A controller connected to the temperature monitor sends out an alarm message and a control signal to either an actuator circuit or a crowbar function circuit. The actuator circuit can send out current pulses to the adapter indicating the adapter to lower its current limit, so that the device can still keep charging and is not over heated. The crowbar function circuit causes the adapter to turn off power to the cable in order to provide burning of the device or connector due to overheating.

The invention discloses traditional Chinese medicine tea for treating primary dysmenorrhea. The traditional Chinese medicine tea is prepared by mixing 1-5 parts by weight of lilac, 1-5 parts by weight of peach blossom, 1-5 parts by weight of rose and 1-5 parts by weight of hibiscus mutabilis. The traditional Chinese medicine tea agent disclosed by the invention has the effects of warming middle-jiao to dispel cold, promoting blood circulation, removing stasis, and detoxifying and relieving pain, is capable of rapidly alleviating the clinical symptoms of primary dysmenorrhea, has a long-lasting analgesic effect, and is good in treatment action on primary dysmenorrhea.

The invention discloses an assembly structure of a soft-pack battery, which comprises a soft-pack battery and an assembly shell of the soft-pack battery. The soft-pack battery is arranged in the assembled shell; The upper and lower sides of the soft-pack battery are respectively spaced apart from the top inner side and the bottom inner side of the assembled shell by a preset distance; A positive electrode ear and a negative electrode ear are arranged on the right side wall of the soft-pack battery at intervals; Wherein the positive electrode lug is connected with one end of a positive electrode conductor, and the other end of the positive electrode conductor is connected with a conductive block; The conductive block is fixedly arranged at the center position of the upper surface of the soft-pack battery; The negative electrode lug is connected with one end of a negative electrode lead, and the other end of the negative electrode lead is connected with the top inner side surface of theassembly shell. The invention can timely and effectively release the energy stored in the battery under the condition of abuse of the soft-pack battery, prevent the safety accidents such as combustionand explosion of the soft-pack battery, and ensure the safety performance of the soft-pack battery.

The invention belongs to the technical field of buildings, and particularly relates to a convenient-to-adjust wood cutting device for a construction site. According to the convenient-to-adjust wood cutting device, the problems that the design structure is simple, the adjustment is not convenient, and a wood notch is burnt are solved. According to the technical scheme, the convenient-to-adjust woodcutting device comprises a table top, the middle position of one side of the table top is connected with a mounting column through a fastening bolt, moreover, the top of one side of the mounting column is connected with a fixing plate through a fastening bolt, the middle position of one side of the mounting column is connected with a dust hood through a fastening bolt, moreover, the middle position of the other side of the mounting column is connected with a dust collector through a fastening bolt, and one side of the dust collector is connected with a dust suction pipe through a flange. Thewood cutting device is convenient to adjust, simple to operate, can be operated by workers with different heights, is suitable for cutting wood with different thicknesses and widths, and is capable ofpreventing the temperature of cutting blades from being too high, avoiding burning of the wood botch, prompting evaporation of water adhered to wood conveniently, preventing wood dust from being diffused into air, and protecting the physical health of the workers.

An electrically heated still is provided. The still includes a still pot that is filled with fermented mash to be distilled. The still pot is heated by a heating element assembly that wraps around the outer surface of the side wall of the still pot (e.g., around the circumference of the mid-section of the still pot). The heating element assembly contains one or more heating elements. The heating elements include flexible conductive elements (e.g., “rope” heaters) that conform to the shape of the still pot to efficiently transfer heat thereto.

The invention discloses a marsh gas power generation method which comprises the following steps of: wetting the smashed straw and water at a mass ratio of 1:2, adding an inoculum, and carrying out stack retting in a stirring way for 3-7 days; adding fresh chicken manure into a fermentation tank, and adding water to prepare a mixture of which the moisture content is 91%-95% to carry out anaerobic fermentation, wherein the temperature is 35-50DEG C, the pH value is 6.8-7.2, and the fermentation time is from 12 hours to 5 days; and educing the generated marsh gas, desulfuring by a biological desulphurization method, storing the marsh gas by a wet type marsh gas storing cabinet, generating the electricity by adopting a pure marsh gas internal combustion engine generator set with a function of combined heat and power generation, discharging mixed liquid materials, and classifying by means of solid-liquid separation. After the marsh gas power generation method is adopted, the continuous generation of the marsh gas required for power generation can be guaranteed, the long-term use of the gas generation of the fermentation tank can be guaranteed, the function generated by the marsh gas can not be obviously attenuated, the acidification phenomenon is hard to happen in the process of fermentation, and the burning of the straw can be further avoided since various straw materials of agricultural products are sufficiently used.

The invention provides a separation system for garbage resourceful treatment. The separation system comprises a membrane assembly, wherein the membrane assembly comprises a separation membrane based on polyvinylidene fluoride. The separation system can effectively separate bio-oil obtained from distilling and carbonizing garbage in high temperature from water.

The invention discloses a insulated fireproof mineral cable. The insulated fireproof mineral cable comprises a cable inner core and a cable outer layer wrapping the cable inner core, wherein a space between the cable inner core and the cable outer layer is filled with inorganic mineral fillers; the cable inner core comprises at least two insulated wire cores insulated from each other; each insulated wire core comprises at least two conductor wire cores and an insulated layer wrapping the conductor wire cores; the cable outer layer comprises an inorganic insulated wrapping tape, a metal inner protective jacket, an isolating layer and an outer protective jacket from inside to outside sequentially. The insulated fireproof mineral cable does not release harmful gas or smoke during combustion, and does not cause a secondary disaster; the inorganic insulated wrapping tape, the inorganic mineral fillers and the isolating layer can be used for attracting a large amount of heat and forming a carbon housing layer to isolate air, so that the supply of oxygen and the flow of combustible gas are blocked, the insulated layer is protected from being combusted, and the cable is prevented from being further combusted. The insulated fireproof mineral cable is mainly suitable for a project at the nominal voltage of not higher than 1000 V.

The invention provides a power battery thermal runaway detection and early warning system. The system comprises a battery management system, and a plurality of temperature sensors, a plurality of voltage detection circuits, a flame sensor, an air pressure sensor, a smoke sensor and a fire extinguisher which are respectively connected with the battery management system, wherein each of a plurality of temperature sensors is coupled with a corresponding battery tab; each of a plurality of voltage detection circuits is coupled with a positive electrode and a negative electrode of the corresponding battery; the smoke sensor, the flame sensor, the pressure sensor and the small fire extinguisher are all arranged in a battery box; and the battery management system receives detection signals detected by a plurality of temperature sensors, a plurality of voltage detection circuits, the flame sensor, the air pressure sensor and the smoke sensor, and calculates and judges whether thermal runaway management is triggered or not according to the detection signals.

The invention provides high-shielding flame-retardant FPI release paper and a preparation method thereof. The high-shielding flame-retardant release paper comprises base paper, shielding layers, coating layers and release agent layers, wherein the base paper is white kraft paper; two sides of the white kraftpaper are coated with the shielding layers; the coating layers uniformly coat the corresponding shielding layers; the release agent layers are organic silicon layers and uniformly coat the corresponding coating layers. The shielding layers of the release paper provided by the invention have good shielding performance and are well applied in the electric field; the coating layers of the release paper have a flame retardant function, protect the integral release paper, and have a high-temperature resisting effect; by using the coating layers, the phenomena of high-temperature melting and burning are prevented, and the safety of production is improved; meanwhile, the release paper prepared by the preparation method provided by the invention has a dense structure and does not absorb water, so that the safety of FPI is further guaranteed.

The invention relates to the technical field of fire-fighting equipment, and provides a fire extinguishing system and a power exchange cabinet. The fire extinguishing system comprises a monitoring mechanism and a parameter processing mechanism. The monitoring mechanism is used to monitor parameter values in a battery compartment. The parameter processing mechanism is connected to the monitoring mechanism and is used to receive the parameter values monitored by the monitoring mechanism. The parameter processing mechanism presets a safety threshold, and the parameter processing mechanism is usedto send an on-off instruction to a charging power. The power exchange cabinet includes a cabinet body and a fire extinguishing system set on the cabinet body. The fire extinguishing system and the power exchange cabinet effectively prevent the battery from burning and improves the safety in the battery charging process.

The invention discloses a power system remote monitoring device and a monitoring method thereof. The power system remote monitoring device comprises a monitor and a power cabinet. The monitor comprises an image acquisition unit used for acquiring an image sequence, a sensor used for generating a sensing signal, an output unit and a processor. The processor is electrically connected with the image acquisition unit, the sensor and the output unit; and a power cover is fixedly connected to the other side of the power cabinet, a power rod is rotatably connected to the upper wall of the power cover in a penetrating mode, and the upper end of the power rod upwards penetrates through the upper wall of the power cabinet and is fixedly connected with a wind cup. The device has the advantages that under the normal working condition, the wind cup rotates to drive the impeller to rotate so that a liquid in the right pipe is driven to flow upwards through the bottom of the left pipe, as the aperture of the through hole in the sliding column is small, the liquid moves upwards to push the sliding column to move upwards, and the liquid finally returns to the right pipe to form a loop; and the sliding column moves upwards to drive the baffle plate to move at a high position without blocking the air holes so as to ensure a high heat exchange speed inside and outside the power cabinet.

The invention discloses an automatic slitting device for coal gangue sintered brick green blocks. One side of a working frame is fixedly connected with a conveying device, one side of the top of the working frame is fixedly provided with a supporting device, and the top of the supporting device is fixedly connected with a sliding device capable of moving left and right. A cutting device for cleaning and cutting green bricks is fixedly mounted on the surface of the sliding device. According to the automatic slitting device for the coal gangue sintered brick green blocks, the conveying device can correspond to an extrusion opening of an extruder, and the green bricks extruded by the extruder can be conveniently conveyed to the bottom of the cutting device to be cut; the sliding device is arranged, so that the cutting device mounted on the outer surface is driven to move in the left-right direction, a cutting knife can be conveniently driven to cut the green bricks, and dust generated on the surfaces of the green bricks can be effectively cleaned while the green bricks passing through the cutting device are cut in the cutting process of the cutting device; and the combustion condition in the subsequent sintering process can be prevented.

An air cooking device is equipped with a cooking cavity and includes a heating device and a fan above the cooking cavity. The fan is used to suck up the wind in the cooking cavity and blow it toward the heating device, and the hot air blows to the cooking cavity to cook food. The air cooking device includes a protective cover under the fan. The protective cover includes an air inlet, an air outlet, and a shielding portion between the air inlet and the air outlet. The shielding portion is located under the heating device to prevent the heating device from directly heating the ingredients in the cooking cavity, and to prevent the surface of food from becoming burnt.

The invention aims to provide a system for charging protection of a wearable device,. The system comprises a temperature detection circuit, a charging port, a magnetic adjusting circuit and a charging head, the front end of the temperature detection circuit is arranged at the charging port, and the temperature detection circuit is used for detecting the temperature parameter of the charging port; the rear end of the temperature detection circuit is connected with the magnetic adjusting circuit, and the temperature detection circuit is used for sending an instruction to the magnetic adjusting circuit according to a detected charging port temperature parameter so as to adjust the magnetic pole direction; and the charging head is in magnetic attraction connection with the charging port. Therefore, when the temperature of the charging port is too high, the charger is bounced off to ensure charging safety, and the wearable device is effectively prevented from burning during magnetic charging.

A die device (100) is provided with: a die (232) disposed so as to face a punch (P); and an extrusion ring (233) that is positioned directly below the die (232) and holds the punched member (W) punched by the punch (P) and the die (232). The extrusion ring (233) includes: a through hole (233a) that holds the punching member (W); and an oil supply flow path configured to supply oil into the through-hole (233a) from the inner surface of the through-hole (233a).

Apparatuses, systems, and methods for collecting, transporting, and purifying water using human energy from transport. A barrel shaped water impermeable container made of material comprising an ultraviolet (UV) light stabilized polymer that can be pushed or rolled. The container has one or more ports with removable filters to remove pre-sediment prior to transport and post-sediment after transport. A translucent water impermeable casing comprising an electrical box having at least two removable and replaceable UV lights, connected to copper coils with rotating magnets inside the coil generate power to light the ultraviolet lights and purify water in the container. Three or more removable proportionally spaced carbon fin cartridges rotate about a container closed end axis when the container is pushed or pulled to provide additional purification. Carbon fin cartridges can have a polylactic acid shell wrapped in liquid permeable mesh shell and evenly spaced holes packed with carbon.

The invention provides an installation method of an air chamber enclosure bulkhead and a liquid tank on a liquefied gas carrier, and the installation method comprises the following steps: before hoisting, marking a first datum line group on the liquid tank, and determining air chamber positioning information on the liquid tank based on the first datum line group; and marking a second reference line group on the full-width deck. And air chamber holes are formed in the full-width deck according to the air chamber positioning information and the second datum line set. And after the height of the enclosure bulkhead is determined, allowance cutting is conducted on the enclosure bulkhead according to the height of the enclosure bulkhead. And the cut enclosure bulkhead is installed at the air chamber hole of the full-width deck. And the liquid tank and the full-width deck are hoisted according to the first datum line set and the second datum line set, and the enclosure bulkhead is arranged outside the air chamber in a covering mode. The cutting work of the enclosure bulkhead is carried out before hoisting of the full-width deck, so that the enclosure bulkhead can be prevented from being cut on the outer side of the liquid tank, an insulating material on the outer side of the liquid tank is prevented from burning, the production efficiency of the liquefied gas carrier is improved, and meanwhile, the safety in the production process is guaranteed.

The invention provides a liquid plunger driven type rubber bag collector for well logging. The liquid plunger driven type rubber bag collector for the well logging can improve the reliability and increase the collecting degree, and is suitable for a horizontal well with low liquid productivity and low flow speed. A bag collector jointer comprises a fluid bypass nipple and a rubber bag, wherein the rubber bag is connected onto the outer side wall of an oil pipe, the fluid bypass nipple is connected to the inner side of the oil pipe, a liquid storage channel is formed in the fluid bypass nipple and communicates the rubber bag with a liquid storage cavity in a plunger driven liquid storage cavity jointer; the plunger driven liquid storage cavity jointer comprises the liquid storage cavity with an opening in one end and a liquid pushing piston for sealing the opening end of the liquid storage cavity, and the middle part of the liquid pushing piston is in threaded connection with a lead screw in a motor driven jointer; the motor driven jointer comprises a motor and the lead screw connected onto an output shaft of the motor. The liquid plunger driven type rubber bag collector for the well logging has remarkable in effect and is convenient to operate and use and high in practicability.

The invention relates to a protection device of liquated magnesium/magnesium alloys, which comprises a furnace and a nozzle module. The furnace is used for holding the liquated magnesium/magnesium alloy; the nozzle module is provided with a first end and a second end; the first end is arranged inside the furnace; the second end is connected to a liquid carbon dioxide supply source; the nozzle module is used for converting liquid carbon dioxide into solid and gaseous carbon dioxide which then enters the furnace. By utilizing the solid and gaseous carbon dioxide, the surface temperature of the liquated magnesium/magnesium alloy is reduced, and the liquated magnesium/magnesium alloy can be separated from the air in the furnace, so as to prevent the liquated magnesium/magnesium alloy from burning. Therefore, the liquated magnesium/magnesium alloy can be protected, and the greenhouse effect caused by the conventional casting technique is improved.