35results about How to "Reduce the use of security risks" patented technology

The invention provides a vehicle driver identity verification method and device and an electronic device, and relates to the technical field of identity verification. According to the vehicle driver identity verification method and device and the electronic device provided by the embodiment of the invention, the biological characteristic information of the to-be-verified person is acquired throughthe vehicle-mounted information acquisition device, and the acquired biological characteristic information is compared with the pre-stored base library information so as to determine whether the identity of the to-be-verified person is legal or not, wherein the base library information is the user biological characteristic information collected by the mobile device at the user registration stage.The biometric information of the to-be-verified person is acquired by adopting the vehicle-mounted information acquisition device, and then the identity of the to-be-verified person is verified, so that the risk that the verifier and the actual driver are not the same person can be reduced, and the use safety risk of the vehicle can be reduced.

The invention discloses a decommissioned battery cascade utilization method, which is characterized by comprising the following steps of: S1, sorting decommissioned batteries; S2, recombining the single decommissioned batteries again; and S3, constructing a flexible grouped energy storage system based on parallel connection of a multi-cluster battery system. The invention further discloses application of the decommissioned battery cascade utilization method in recycling of decommissioned batteries of new energy vehicles. According to the decommissioned battery cascade utilization method disclosed by the invention, the decommissioned batteries can be rapidly, safely and efficiently utilized in an cascade manner, the reuse cost is low, the battery capacity can be adjusted according to the current cascade cluster, the energy is automatically adjusted and output to a PCS and a charger, the parallel high-power output of various cascade battery clusters can be compatible in a diversified manner, the problem of circulation generated between different cascade battery clusters in differential parallel connection is eliminated, the inconsistency of cascade batteries is well avoided, the optimal stable operation of the whole system is realized, and the safety risk in use is reduced.

The invention discloses a lithium battery having a fire-proof and explosion-proof device. The lithium battery includes a cell set, a cell protective sheath and an external shell. The cell set is arranged in the cell protective sheath and the cell protective sheath is disposed in the external shell. A thermal-insulation layer is disposed between an inner surface of the external shell and the cell protective sheath. A clearance between the cell protective sheath and the thermal-insulation layer is filled with a fire extinguish material. The external shell is provided with a discharging hole. In the device, during a use process of the lithium battery, the fire extinguish material, which can be subject to an endothermic reaction when being heated and generates carbon dioxide, is used as a working medium for performing heat absorption and oxygen insulation to the battery. In addition, an internal pressure of the battery can be regulated timely. By the comprehensive protective method above, accidents, such as ignition, explosion and the like, can be effectively prevented so that safe risk of the lithium battery can be greatly reduced.

The invention discloses a lithium battery having a fire-proof and explosion-proof device. The lithium battery includes a cell set and an external shell. The cell set is arranged in the external shell. A clearance between the cell set and the external shell is filled with a fire extinguish material which can be subject to an endothermic reaction and generates carbon dioxide. The external shell is provided with a discharging hole. In the device, during a use process of the lithium battery, the fire extinguish material, which can be subject to an endothermic reaction when being heated and generates carbon dioxide, is used as a working medium for performing heat absorption and oxygen insulation to the battery. In addition, an internal pressure of the battery can be regulated timely. By the comprehensive protective method above, accidents, such as ignition, explosion and the like, can be effectively prevented so that safe risk of the lithium battery can be greatly reduced.

The invention relates to a detonation gun spraying device and a detonation gun spraying technology. The detonation gun spraying device comprises a launching unit, a jet pipe and a projectile body; thejet pipe is connected to the launching unit; a power supply unit is connected to the jet pipe and is used for conveying spraying powder into the jet pipe; the launching unit is used for detonating the projectile body; and a blast wave generated by detonation of the projectile body pushes and heats the spraying powder to jet toward a workpiece to form a coating in the jet pipe. The detonation gunspraying device provided by the invention is simple in structure, can utilize detonation of a solid propellant or a propellant in a powder load or a bullet to push and heat a powder material, replacesthe traditional technological device for pushing and heating the powder material with detonation of hybrid gas, is more light, handy and portable and can realize filed construction operation to ultra-large type parts. The detonation gun spraying technology provided by the invention does not involve combustible gas and detonation gas, is high in safety, is suitable for spraying technological needsfor various heat spraying powders and realizes accurate control on the detonation gun spraying process.

The invention relates to a method for preparing polymyxin B sulfate for injection. The auxiliary material of the prepared polymyxin B sulfate for injection is injection water only, and the specification of the polymyxin B sulfate for injection is 0.5 million units. The polymyxin B sulfate for injection, prepared through the method, has significantly improved quality and stability, and has significantly reduced insoluble particle quantity.

The invention relates to the technical field of power battery safety detection, and discloses a power battery safety detection method and system and a storage medium, and the system comprises a processor module, and a data collection module, a preprocessing module, a filtering module and a display module which are connected with the processor module. Historical operation data of the power battery are collected, single voltage data in a discharging state are adopted to calculate range voltage, and then the change condition of entropy is calculated, so that the safety of the power battery is evaluated accurately and quickly. The method has the beneficial effects of quickly and accurately detecting the health state of the power battery, ensuring the use safety of the power battery and improving the driving safety of the electric automobile.

The invention discloses a seedling growing and planting method for Banqiao codonopsis pilosula, and belongs to the technical field of cultivation of traditional Chinese medicinal materials. A nutrient solution special for Banqiao codonopsis pilosula seedling growing is prepared and used for Banqiao codonopsis pilosula seedling growing, and the method comprises the steps of 1), seedling growing including (1) matrix preparation, (2) seed treatment, (3) sowing, (4) water and fertilizer management, (5) temperature and humidity control and (6) illumination management; 2) transplanting and 3) field management including (1) final singling, (2) frame building, (3) bud picking and the like. The problems that the yield and quality of medicinal materials are unstable due to serious weed damage and the like in the seedling stage of direct seeding cultivation of the Banqiao codonopsis pilosula are solved, and the yield of dry medicinal materials per mu reaches 200 kg or above.

The invention discloses a lithium battery having a fire-proof and explosion-proof device. The lithium battery includes a cell set, a cell protective sheath and an external shell. The cell set is arranged in the cell protective sheath and the cell protective sheath is disposed in the external shell. A clearance between the cell protective sheath and the external shell is filled with bicarbonate powder which can be subject to an endothermic reaction and generates carbon dioxide. Silicon dioxide is arranged between an internal surface of the external shell and the bicarbonate powder. The external shell is provided with a discharging hole. In the device, during a use process of the lithium battery, the bicarbonate powder, which can be subject to an endothermic reaction when being heated and generates carbon dioxide, is used as a working medium for performing heat absorption and oxygen insulation to the battery. In addition, an internal pressure of the battery can be regulated timely. By the comprehensive protective method above, accidents, such as ignition, explosion and the like, can be effectively prevented so that safe risk of the lithium battery can be greatly reduced.

The invention relates to a method for extracting Olibanum and Myrrha in Fengtongling medicament, which replaces the methods for extracting Olibanum and Myrrha in Fengtongling medicament in the prior art. The invention is characterized in that methylene chloride is used as an extraction solvent during the extraction process; the consumption of methylene chloride is 0.1 to 2 times the total weight of Olibanum and Myrrha; the extraction method is one available in solvent extraction methods of traditional Chinese medicines and comprises the steps of mixing, ultrasonic treatment and refluxing; during the preparation process of Fengtongling medicament, the procedure of extracting Olibanum and Myrrha with methylene chloride is performed after first-time extraction with methyl salicylate or after second-time or third-time extraction with methyl salicylate; and the application of methylene chloride as extraction solvent of Olibanum and Myrrha in Fengtongling medicament can improve safety of production and application of Fengtongling medicament.

The invention relates to a turbojet injecting incineration device and an incineration method. The incineration device comprises a turbojet engine, a suction component used for sucking polluted gas, an oil supply device and a control device, wherein the oil supply device supplies oil to the turbojet engine; the control device controls the turbojet engine to work; and the suction component is communicated with the turbojet engine. The incineration method comprises the steps of: generating high-temperature fuel gas, absorbing the polluted gas, incinerating the polluted gas and discharging the polluted gas. According to the turbojet injecting incineration device and the incineration method, disclosed by the invention, the technical problems of poorer cleaning effect of the traditional blowing method, low efficiency of the traditional neutralization processing method and various types of used devices of the traditional incineration method are solved, the equipment scale is small, high processing efficiency is obtained, and cleaning and detoxifying treatment on toxic propellants remained in a propelling system can be carried out.

The invention relates to the field of skating shoes, and particularly relates to skating shoes. The skating shoes comprise supporting mechanisms, quick-change mechanisms, damping mechanisms, angle mechanisms and speed reducing mechanisms. By arranging the supporting mechanisms, space is conveniently provided for subsequent placement of the damping mechanisms and the angle mechanisms; by arrangingthe quick-change mechanisms, easily-worn rotating parts are conveniently and quickly replaced, time and manpower are saved, and the maintenance effect of the skating shoes is improved; by arranging the damping mechanisms, jolt caused when the skating shoes roll on the ground is conveniently relieved, the adaptability of beginners is improved, and leg muscle fatigue caused after long-time use is avoided; by arranging the angle mechanisms, the pitching angle of the soles of a user is conveniently adapted, the buffering amplitude can be manually adjusted, and jolt in the using process is furtherrelieved; and by arranging the speed reducing mechanisms, the skating shoes are conveniently braked emergently for dealing with emergencies, and therefore the using safety risk is reduced.

The invention provides electronic atomization equipment. The electronic atomization equipment comprises an atomization mechanism and a power source mechanism connected with the atomization mechanism. The atomization mechanism comprises a shell and an atomization assembly. The shell is provided with an oil storage cavity and an oil injection area communicated with the oil storage cavity, and an oil way cutting-off structure is arranged at the communicating position of the atomization assembly and the oil storage cavity. A fresh atomizing medium can be repeatedly injected into the oil storage cavity through the oil injection area, and the fresh atomizing medium which is repeatedly injected is contained in the oil storage cavity which is in a clean state for a long time, so that the quality-guaranteeing, anti-oxidation and anti-pollution effects of the electronic atomization equipment are better. On the premise of the same atomizing medium and on the premise of ensuring that the environment in the oil storage cavity and the atomizing medium reach the industrial quality safety standard, the number of times of continuously injecting the atomizing medium for the electronic atomization equipment is at least ten times that for the traditional electronic atomization equipment, so that the repeated utilization rate of parts can be greatly improved, the use safety risk problem can be remarkably reduced, and the equipment is more economical and environment-friendly.

The invention relates to a preparation method of a multi-resin composite material. The preparation method comprises the steps of 1, preparing an inorganic powder component according to parts by weight; 2, selecting an isocyanate liquid material and a first inorganic powder component to be mixed and pre-impregnated to serve as a material A; 3, selecting a polyether polyol and polyester polyol combined liquid material, bisphenol A unsaturated polyester resin, bisphenol A epoxy resin, styrene, a second inorganic powder component and a titanate coupling agent, mixing and pre-impregnating to serve as a material B; and 4, mixing the material A and the material B obtained in the step 2 and the step 3, dispersing at a high speed, injecting into a mold, closing the mold, standing, and demolding to obtain the product. According to the multi-resin composite material, the adding amount of the inorganic powder component is greatly increased on the basis of improving the flame retardant property, a brand new and effective flame retardant system is constructed in a reaction system through the compounded inorganic powder component, and the preparation method is simple, so that the cost is greatly reduced, the pollution is reduced, and the application market of the multi-resin composite material is widened.

The invention discloses a bottle-shaped garbage recycling mechanism. The bottle-shaped garbage recycling mechanism comprises a first driving device, a second driving device and a rotating component, wherein the rotating component comprises at least two guide rods arranged in parallel, the first driving device drives the guide rods to autorotate, and the second driving device drives the rotating component to rotate integrally. The bottle-shaped garbage recycling mechanism has the beneficial effects that (1), 360-degree rotation of a bottle-shaped garbage in the space can be realized, so that abarcode can be captured by a code scanning gun while once delivery is completed; and (2), by controlling the rotation direction of the auto-rotated guide rods to control the entrance and exit of the bottle-shaped garbage in a feeding port, a user does not need to extend a hand into the mechanism, so that the use safety risk is reduced.

The invention relates to a synthetic method of 3-aminopropanol, in particular to production equipment and method for synthesizing 3-aminopropanol through continuous hydrogenation, and belongs to the technical field of chemical organic synthesis. The equipment mainly comprises a membrane diffusion module, a packed bed reactor and a gas-liquid separation device which are connected in sequence; the top end of the gas-liquid separation device is connected with an ammonia gas absorption device; a bottom outlet of the gas-liquid separation device is connected with a liquid phase collection device, and the liquid phase collection device is connected with a rectifying tower pipeline; the membrane diffusion module is provided with a liquid phase inlet and a gas phase inlet; a 3-hydroxypropionitrilestorage tank is connected with the liquid phase inlet; and a hydrogen steel cylinder and an ammonia gas steel cylinder are connected with a gas phase inlet through branch pipelines respectively. Themethod and the device disclosed by the invention are low in cost, high in total yield, good in safety and environment-friendly. In the absence of a solvent, a supported nickel-based catalyst and ammonia gas are used as co-catalysts, and hydrogen is introduced to reduce cyano groups, so that the defects of temperature runaway and low productivity of a kettle type reaction device are avoided, and the process route is economic, safe, green and environment-friendly,.

The invention discloses a lithium battery box, a lithium battery pack and an application thereof, and belongs to the technical field of lithium batteries. The box comprises a box body and a base, wherein the box body is detachably connected with the base; the box body and the base are connected to form a battery cell position; a plurality of heating wires are uniformly arranged on the inner wall of the box body; each heating wire is wrapped with an insulating layer, a plurality of insulating partition plates are further arranged on the inner wall of the box body, and an insulating layer installation space is formed between every two adjacent insulating partition plates, wherein the thickness of each insulating partition plate is greater than the diameter of the corresponding insulating layer, and the two ends of each heating wire are electrically connected with the heating wire positive electrode and the heating wire negative electrode respectively. According to the lithium battery box, on the basis of an existing battery box, the heating wire is arranged in the lithium battery box, the whole lithium battery can be heated in severe cold winter, the temperature in the battery box can be as high as spring in severe cold winter, and the problems that an existing lithium battery electric bicycle is weakened in cruising ability in winter, shortened in service life and the like are solved.

The invention relates to the technical field of electric vehicles, and discloses an electric vehicle power battery detection method and system and a storage medium, the system comprises a processor module, and a data acquisition module, a power selection module, a charging mode module, a transient current module, a communication module and a display module which are respectively connected with the processor module; the output current of the charging pile is rapidly changed through pulse current to generate transient current, meanwhile, BMS message data of the power battery are obtained, calculation and analysis are conducted through an electrochemical model algorithm, and finally accurate evaluation of the health state of the power battery is achieved. The method has the beneficial effects of high detection efficiency, accurate evaluation result of the health state of the power battery and improvement of the use safety of the electric vehicle.