21results about How to "Improve self-protection performance" patented technology

The invention relates to the technical field of building waterproof materials, and provides a multi-layer self-protection self-adhesion waterproof roll and a preparation method thereof. The multi-layer self-protection self-adhesion waterproof roll sequentially comprises an isolating membrane, a self-adhesion glue layer, an elastic polyester felt buffer layer, an adhesive layer and a polymeric membrane layer from top to bottom, and the self-adhesion glue layer is prepared from, by weight, 65-75 parts of butyl rubber, 15-20 parts of SBS modifier, 8-12 parts of tackifying resin I, 0.5-1.5 parts of anti-aging agent, 8-15 parts of filler, 1-3 parts of polyethylene and 1-2 parts of flexibilizer. The tackifying resin I comprises rosin resin. According to the technical scheme, the problems that the self-adhesive waterproof roll does not have the self-protection capability, the peel strength is low and the holding power is poor in the prior art are solved.

The invention discloses a high-alloy wear-resistant roller repair welding material, and belongs to the technical field of alloy repair welding. The method is achieved through the three steps of a coal mill roller sleeve, a lining tile deposited metal formula, an alloy element transition coefficient formula and wear-resistant surfacing flux-cored wire preparation. The self-protection flux-cored wire can be suitable for various welding positions, and single-face welding and double-face forming are good; the production efficiency is high, and compared with manual welding, the allowable welding current of the self-protection flux-cored wire is large, and the deposition efficiency is high. According to the method, various hole pattern design methods including a strip steel edge and circumference combined bending method are adopted, the hole pattern of the roller is subjected to improved design, the forming mode of a steel strip on a wire rolling machine is changed, finally, a lap joint O-shaped section is formed, and the quality of the flux-cored wire is improved. The carbide in the welding wire surfacing sample is finer, more in quantity and more regular in arrangement.

The invention discloses a gas meter metering fault detection method, and relates to the technical field of gas meter metering fault detection. An existing gas meter metering fault detection method is insufficient in sensitivity and lacks real-time monitoring and remote monitoring functions. The problems of insufficient data accuracy, limited fault identification capability, poor user experience caused by lack of intelligent management and the like also exist; by means of the intelligent communication module, a user can easily connect an intelligent mobile phone to obtain gas use data and state information in real time, and real-time monitoring of a voltage sensor, a temperature sensor and a pressure sensor and calculation of flow analysis and correction factors are combined; through the comprehensive monitoring and analysis capability, the safety of the user is guaranteed, the reliability of the system is improved, and more efficient and safer gas use experience is provided for the user.

The utility model discloses a vertical electric heating faucet with a backwater stopping structure. The vertical electric heating faucet comprises a shell, an inner container, a heating assembly and a valve element assembly. The inner container is arranged in the shell; the heating assembly is arranged in a heating cavity in the inner container, a water inlet is formed in the lower end of the inner container, and a water outlet is formed in the upper end of the inner container. The inner container is provided with a water inlet channel, and a valve element of the valve element assembly is communicated with the water inlet through the water inlet channel. A backwater stopping structure is arranged in the heating cavity in the inner container and can prevent water in the heating cavity from flowing back to the water inlet channel through the valve element; the backwater stopping structure comprises a first vertical channel and a second vertical channel which are parallel to each other, the lower end of the first vertical channel is communicated with the valve element, the lower end of the second vertical channel is communicated with the heating cavity, the upper end of the first vertical channel is communicated with the upper end of the second vertical channel, and the communication point is higher than the standing water level of the heating cavity in the water leakage state. The water is prevented from flowing back from the heating cavity, it is guaranteed that the heating assembly is covered with the water all the time in the heating cavity, and the situation of accidental empty burning is avoided.

The invention discloses a public risk perception and behavioral group psychological regulation and control model based on an emergent public health event, which belongs to the technical field of social public management and comprises a risk perception dynamic evaluation module, a behavioral group psychological prediction module and a psychological regulation and control strategy generation module. Through the steps of multi-dimensional information acquisition, quantitative calculation, network topology structure construction, state space diagram generation, Fokker-Planck equation solution and the like, dynamic evaluation of public risk perception level and accurate prediction of group psychological change and behavior trend are realized, and meanwhile, according to a prediction result, the risk perception level of the public can be accurately evaluated. And a psychological regulation and control strategy suitable for the current situation is matched and generated from the strategy library so as to guide the public to deal with public health emergencies rationally.

The invention discloses a whitening and antibacterial knitted fabric and a preparation method thereof, and belongs to the technical field of functional clothing, Zn (NO3) 2.6 H2O and 1, 4-phthalic acid (H2BDC) are fully dissolved and dispersed through N, N-dimethylformamide (DMF) and dried to prepare Zn-BDC MOF powder, then nicotinamide and chitosan with whitening, spot fading and antibacterial functions pass through N, N-dimethylformamide (DMF) through interaction of subjects and guests, and the functional clothing is obtained. And dissolving N, N-dimethylformamide, and embedding into MOF pores to obtain the whitening skin-care antibacterial functional MOF material. And finally, adding a polyvinyl alcohol solution to obtain a functional finishing agent, and finishing the finishing agent on knitted garments to obtain the knitted fabric with the whitening, skin-care and antibacterial composite functions. The obtained knitted fabric has good whitening, skin care and antibacterial effects and can be applied to sportswear worn in daily life, and knitted garments made of the knitted fabric have the whitening and skin care effects, are good in use comfort and efficiently resist bacteria.

The invention discloses a lactobacillus rhamnosus composition for relieving gastrointestinal diarrhea and application of the lactobacillus rhamnosus composition, the composition is composed of a probiotic mixture, a prebiotic mixture and a carrier, the probiotic mixture is composed of lactobacillus plantarum JY055 bacterial powder, lactobacillus rhamnosus JM039 bacterial powder and lactobacillus rhamnosus JY027 bacterial powder, and the prebiotic mixture is composed of lactobacillus plantarum JY055 bacterial powder, lactobacillus rhamnosus JM039 bacterial powder and lactobacillus rhamnosus JY027 bacterial powder. The prebiotic mixture comprises inulin, xylitol, lactulose, resistant dextrin, a hawthorn extract and a dandelion extract, and the carrier is modified montmorillonite. The composition for relieving gastrointestinal diarrhea provided by the invention is composed of a mixture of three probiotics and prebiotics, and the probiotics are adhered to small intestinal mucosa epithelial cells to form a mycoderm and form an intestinal barrier, so that colonization and growth of harmful bacteria are prevented, self-protection of intestinal epithelial cells is enhanced, and the damaged intestinal barrier is repaired; the prebiotic mixture provides a breeding place and nutrient elements for growth and breeding of the probiotics, and the efficacy can be improved through mutual cooperation of the prebiotic mixture and the probiotics.

The invention relates to the technical field of cables, and discloses an environment-friendly cable with a protection function and a preparation method. Comprising an inner steel cable and further comprises a retroflexure spring which is arranged on the inner steel cable in a sleeving mode, an inner sleeve is arranged on the retroflexure spring in a sleeving mode, a set of first rolling connecting pieces which are regularly distributed are installed on the inner sleeve, a round supporting body is arranged on the outer sides of the first rolling connecting pieces, and a set of air containing cavities which are regularly distributed and a set of glue containing cavities which are regularly distributed are formed in the round supporting body; each air containing cavity is internally provided with a battery cell module and is filled with carbon dioxide, and each glue containing cavity is internally provided with an anti-buckling assembly and a group of regularly distributed second rolling connecting pieces. The cable has multidirectional compression resistance, passive fire prevention and active fire extinguishing performance in use, the cable is structurally provided with an anti-wear protection structure, the service life of the cable is effectively prolonged, and meanwhile, the cable is provided with an electric leakage color development and temperature change color development structure, so that the working state of the cable can be monitored in real time.

The invention relates to the technical field of power system protection, and discloses a condensed state function resistor NGR-based power grid safety and stability protection device and method, and the device comprises a three-phase bus A, a bus B and a bus C. The bus A, the bus B and the bus C are respectively provided with a circuit breaker DL, and the two ends of the fracture of each circuit breaker DL are respectively connected with a first condensed state function resistor NGR in parallel. And the bus A, the bus B and the bus C are connected with a second condensed state functional resistor NGR and a first ampere meter in a star connection hanging manner. According to the power grid safety and stability protection device and method based on the condensed state function resistor NGR, short-circuit current and overvoltage in a power grid are suppressed through various functional characteristics of the condensed state function resistor NGR, electromagnetic resonance and system oscillation in the power grid are reduced, and operation of the power grid is stabilized; the first ampere meter and the second ampere meter are used for detecting each path of current in real time, so that the timely finding and processing capability of power grid faults can be improved.

The utility model relates to the technical field of life-saving equipment, in particular to a field multifunctional life jacket, which comprises a storage structure and a protection structure, the storage structure is arranged at the front part of the life jacket, the storage structure comprises a plurality of groups of mutually independent functional compartments, and the functional compartments are uniformly arranged at intervals; a plurality of groups of waist tightening assemblies are arranged on the side edge of the storage structure in parallel at intervals; the protection structure is arranged on the back of the life jacket relative to the storage structure, the waist tightening assembly is connected to the protection structure, a first flexible back plate is arranged in the protection structure in a penetrating mode and wraps the back of the life jacket, a reinforcing protection part is connected to the end, away from the storage structure, of the bottom edge of the protection structure, and a second flexible back plate is arranged in the reinforcing protection part in a penetrating mode. The end, away from the reinforcing protection part, of the protection structure is connected with an anti-drowning assembly, the anti-drowning assembly is connected to the reinforcing protection part, and the protection structure is provided with a handle close to the storage structure. The utility model aims to improve the safety protection capability of the life jacket.

The present application belongs to the field of pulse power technology, and specifically discloses a pulse power supply topology structure and control method for mixed reuse of multiple load equipment, the pulse power supply topology structure includes: a control module and multiple cascaded power supply modules; the power supply module includes a storage capacitor, a parallel discharge switch component, a series discharge switch component, a charging tail switch, a first isolation diode and a second isolation diode; the control module is used to control the working state of the parallel discharge switch component, the series discharge switch component and the charging tail switch in each power supply module. The power supply module can be expanded according to application requirements, can be converted between multiple power supply topologies, and significantly reduce the complexity of equipment design through component reuse, is suitable for a variety of load equipment, has good fault self-protection capabilities, and significantly improves the applicability and controllability of the pulse power supply under complex working conditions.

The invention discloses a high-power charging module capable of intelligent cooling, and relates to the technical field of charging modules, the high-power charging module comprises a box body used for installing and protecting parts of the charging module, the end part of the box body is fixedly provided with function keys used for operating the charging module, and one side of the box body is fixedly provided with cooling fin plates used for cooling at equal intervals. The real-time temperature of the core working module is continuously monitored through the built-in intelligent temperature control system, once the temperature of the working module is monitored to rise to a safety threshold value of 85 DEG C, the system can be immediately activated, the cooling measure is automatically executed, and the ventilation grooves in the heat dissipation fin plates on the side face of the box body are opened, so that air circulation in the box body is enhanced, and the service life of the box body is prolonged. The temperature of the working module is effectively dispersed and reduced, the purpose of active cooling is achieved, and when the temperature of the working module falls back to the safe 80 DEG C, the active cooling assembly intelligently responds again, but the active cooling assembly executes the opposite operation of closing the ventilation grooves in the heat dissipation fin plates at this time.

A refractory material and its preparation method and application, belonging to the technical field of refractory materials, the refractory material uses plate-shaped corundum modified coarse aggregate, plate-shaped corundum fine aggregate, modified artificial graphite, antioxidant, anti-corrosion agent and adhesive as raw materials. Among them, the plate-shaped corundum coarse aggregate is modified by combining coal gangue purification powder and nano-grade carbon black, which has a smaller porosity, increased volume density and strength. The delayed petroleum coke powder is modified by using plate-shaped corundum powder and phenolic resin powder, and the modified artificial graphite is sintered to prepare the modified artificial graphite, which has a certain improvement in compressive strength, thermal shock resistance, creep rate, etc., and the graphite component is not exposed on the surface of the slide. The modified plate-shaped corundum coarse aggregate and the modified artificial graphite are used in combination, which can greatly improve the strength, good thermal shock stability, and low creep rate; each time the hole is expanded, the diameter is small, the erosion resistance and erosion resistance are good, the carbon content entering the molten steel is very low, and it will not greatly affect the carbon content of low-carbon molten steel, and can be used for the pouring of low-carbon molten steel.

The invention discloses a prefabricated transformer substation, which relates to the technical field of transformer substations and comprises a transformer substation box body, a heat dissipation frame is stacked in a hot gas concentration area above the transformer substation box body, and spirally coiled radiators are uniformly distributed on two sides of the heat dissipation frame. An inner baffle capable of horizontally moving along with spiral stretching and retracting of the radiator is arranged in the radiator, and breathing films capable of generating the breathing effect along with horizontal reciprocating of the inner baffle are symmetrically arranged in the centers of the other two sides of the radiating frame. On one hand, hot air in the box is forced to be discharged from the radiator on the leeward side through space compression of the breathing films on the two sides, on the other hand, the breathing films with the breathing effect can accelerate air flow in the upper portion in the box to break air partition in the box, and therefore the hot air in the upper portion in the box can be rapidly discharged through air flow of the air inlet and outlet.

The invention relates to the technical field of nursing materials, and discloses eye washing liquid for relieving eye fatigue and a preparation method thereof.The eye washing liquid is prepared from trehalose, taurine, sodium gualenate, sodium hyaluronate, ergothioneine, vitamin B12, vitamin B6, xanthophyll, mint, a humectant, a bacteriostatic agent, a chelating agent, a pH regulator and deionized water. Through the synergistic effect of the first synergistic composition and the second synergistic composition, retina cell injury induced by blue light can be effectively repaired, the repairing effect is superior to that of simple addition of a single component, blue light oxidative injury is repaired through a multi-target synergistic mechanism, a three-layer structure of a tear film lipid layer, a water layer and a mucoprotein layer can be reconstructed, and the repairing effect is good. According to the present invention, the tearable film stability is significantly improved, the excellent protection and repair effect is provided, the compatibility of the components is good, the product stability is high, and the multiple effects of ocular surface cleaning, asthenopia relieving, conjunctival congestion reducing and blue light oxidation damage preventing are provided.

A flexible exoskeleton robot connecting device capable of bearing a rescue stretcher comprises a waist connecting assembly, and the left side and the right side of the waist connecting assembly are connected with a left sleeve assembly and a right sleeve assembly; the left sleeve assembly and the right sleeve assembly comprise outer sleeves, and inner sleeves are connected into the outer sleeves. The bottom of the inner sleeve is connected to the bottom of the outer sleeve through the compression spring and the damper, the lower end of the disassembly button extends out of the outer sleeve, the middle of the inner sleeve is connected to the inner wall of the outer sleeve through the small bayonet component, and the small bayonet component makes contact with the interior of the upper end of the small lever. The lower end of the small lever extends out of the outer sleeve; a first sleeve plug connected to the outer side of the outer sleeve is connected with one end of an elastic belt and is clamped through a sleeve buckle, and an exoskeleton robot buckle and an exoskeleton robot plug are fixed to the other end of the elastic belt; when a wearer wears the exoskeleton robot to rescue a wounded person, the two hands of the wearer can be liberated, the wounded person is stabilized, and secondary injury to the wounded person is avoided.

The invention discloses an electric power inspection robot, and relates to the technical field of electric power inspection equipment. The electric power inspection robot comprises a walking mechanism, a detection mechanism and an advanced detection mechanism, the walking mechanism comprises a vehicle body, tires for walking are arranged at the bottoms of the two sides of the vehicle body, and a motor for driving the tires to rotate and a battery are arranged in the vehicle body; the advanced detection mechanism comprises two detection wheels which are symmetrically installed relative to the vehicle body, the diameter of the detection wheels is the same as that of the tires, a wheel shaft is arranged between the two detection wheels, a left telescopic control rod and a right telescopic control rod are hinged to the wheel shaft, the vehicle body is provided with a rotating rod, the left telescopic control rod and the right telescopic control rod are both connected with the rotating rod, and the rotating rod is parallel to the wheel shaft. The left telescopic control rod and the right telescopic control rod are parallel, the rotating rod is connected with an angle sensor, the angle sensor is electrically connected with a control system installed on the vehicle body, and the detection mechanism is connected with the vehicle body. The electric power inspection robot has the beneficial effects of being accurate in detection and preventing overturning.

The invention relates to the field of electronic cat eyes, in particular to a self-protection type electronic cat eye structure for an intelligent door lock. Comprising an installation door plate, a cat eye assembly is movably connected to the installation door plate in a clamped mode, a supporting plate is installed on the cat eye assembly, and a protection assembly is installed on the supporting plate; according to the invention, when the magnetic connection of the two groups of magnetic blocks cannot be maintained due to power failure, the limiting ring is driven to descend synchronously, and the inflatable bag structure is in a wrapping and limiting state for the line of the first connector, so that the first connector and the second connector are driven to be separated from an electrical connection state while the limiting ring moves; the service life of the device is prolonged while the problem of secondary damage is avoided; and after the first compression spring feels that the pressure disappears, the protection structure is driven to descend to form a wrapping protection effect on the cat eye body, the problem that the cat eye body is damaged by the outside is avoided, and the working effect of the electronic cat eye structure is improved while the self-protection effect of the device is improved.

This utility model provides a fully automatic electrostatic precipitator electrode plate system inspection device, belonging to the field of electrostatic precipitator technology. The fully automatic electrostatic precipitator electrode plate system inspection device includes: a main body equipped with an acceleration sensor; an imaging device located on one side of the main body for acquiring internal image data of the electrostatic precipitator; adsorption and walking devices located at both ends of the main body for moving the device along the anode plate surface and completing plate-crossing actions; a ranging device located on the other side of the main body for measuring the distance between the anode plate and the cathode wire; and an anti-fall device connected to the acceleration sensor, the anti-fall device including a gas generator connected to the acceleration sensor and an airbag structure communicating with the gas generator, the airbag structure being located in the back area of ​​the main body. This utility model solution enhances the inspection coverage and equipment self-protection capability, significantly improving the inspection efficiency and safety of the electrode plate system.

The invention belongs to the technical field of lithium batteries, and particularly relates to a lithium battery with a self-protection function, which comprises a shell, a BMS (Battery Management System) protection plate, a battery bracket and a lithium battery assembly, the BMS protection plate and the lithium battery assembly are arranged in the shell through the battery bracket, and the lithium battery also comprises a base fixed at the bottom of the shell, a groove is formed in the bottom of the base, a protection plate is slidably connected into the groove, a plurality of elastic telescopic rods are fixedly connected to the bottom of the base in an inserted mode, and the movable ends of the elastic telescopic rods are fixedly connected with the end face of the protection plate. The lithium battery assembly can be effectively and automatically buffered and protected from the bottom, the falling damage risk is reduced, the bottom protection effect can be enhanced and the self-protection capability can be improved in cooperation with the liquid buffering assembly, meanwhile, overheating can be avoided through auxiliary heat dissipation of the heat dissipation unit, the impact influence of the side wall is reduced by means of the force unloading sleeve, and the protection effect is comprehensively improved.

The utility model provides a multi-sensor ship target tracking alarm system which comprises a single chip microcomputer, a laser ranging unit, a speed sensor, a tilt angle sensor, a positioning module, a wireless communication module, an audible and visual alarm and an electric holder. The single-chip microcomputer completes control, data processing and data display of the electric holder, the speed sensor, the tilt angle sensor, the positioning module, the wireless communication module, the audible and visual alarm, the steering engine and the laser ranging unit. According to the utility model, the laser transmitter and the laser receiver can measure the distance between the ship and the barrier in front and detect the safe distance, when the ship is driven into the dangerous distance, the system can give out a sound-light alarm to prompt a worker to take effective obstacle avoidance measures, the cost is low, the installation is convenient and flexible, and the safety is high. The speed, inclination angle and position information of the ship can be obtained, the self-protection capacity of the ship can be effectively improved, the structural design is simple and reasonable, use is convenient and fast, and high practicability is achieved.