45results about How to "Solve the use of security" patented technology

The invention relates to an aqueous graphene high-thermal-conductivity anticorrosive coating material for power batteries, and a preparation method thereof, wherein the aqueous graphene high-thermal-conductivity anticorrosive coating material is a two-component coating material, and is prepared by mixing an aqueous heat-resistant resin as a film-forming matrix, graphene powder, a thermal conducting filler, an antirust filler and other functional aids. According to the invention, with the coating material, the problems of reduced use stability and reduced safety caused by closed working environment and difficult heat dissipation of the existing power battery are solved, and the corrosion protection performance is improved while the heat-conducting property of the coating is improved; by using the temperature-resistant aqueous resin as the coating film-forming matrix, the organic matter emission of the coating material is reduced so as to protect the ecological environment; and by introducing the novel graphene carbon material with high heat conductivity coefficient, unique lamellar structure and small size effect, the problem of insufficient heat conductivity of the traditional heat-conducting coating material is solved, and the heat dissipation performance and the corrosion resistance of the coating material are further improved.

The invention relates to the technical field of compound fertilizers, in particular to a special slow-release fertilizer for flowers. The special slow-release fertilizer comprises raw materials in parts by mass as follows: 20-40 parts of ammonium nitrate, 3-8 parts of manganese sulfate, 2-6 parts of zinc sulfate, 1-5 parts of ferric citrate, 5-10 parts of diammonium phosphate, 2-6 parts of magnesium sulfate, 2-6 parts of borax, 2-7 parts of ammonium molybdate, 2-8 parts of sodium alginate and 0.8-2.4 parts of potassium humate. Compared with commercially available ordinary fertilizers for the flowers, the special slow-release fertilizer for the flowers has the advantages that the highest peak of nutrient releasing of N, P and K is postponed by 5 days, the nutrient releasing amount of N, P and K is reduced by 125 mg/kg, 35 mg/kg and 80 mg/kg in 30 days respectively, so that the flower season of the potted flowering-ornamental flowers is prolonged by 7-12 days, leaves of the foliage-ornamental flowers are deep green, the slow-release fertilizer is safe, hygienic and free of odor and has a long-lasting effect in the use process, and the holding time lasts for 3-4 months.

The invention provides a boiler monitoring method based on the Internet of things. The method comprises steps that, work index parameters of boilers are acquired; whether a disturbance signal is contained in the work index parameters is determined; when the disturbance signal is not contained in the work index parameters, the work index parameters are transmitted to a central control computer; whether the boilers corresponding to the received work index parameters are in fault is detected, when the boilers corresponding to the received work index parameters are in fault, the work states of the boilers are adjusted according to a preset model; work index parameters before and after adjustment are displayed in a graph mode. Through the boiler monitoring method, a problem of error alarming during monitoring caused as the disturbance signal is contained in shake-up signals in a traditional monitoring mode is solved, the monitoring accuracy rate is improved, moreover, the work states of the boilers can be monitored when a user is not on site, and safety coefficients and work efficiency of the boilers are improved.

The invention relates to a boiler monitoring method based on an internet of things. The method comprises the steps of: obtaining working index parameters of a boiler; encrypting and transmitting the working index parameters; detecting if the boiler corresponding to the received working index parameters is broken down, and if so, adjusting a working state of the boiler according to a preset model; and giving alarm sound when the boiler is broken down and cannot be adjusted according to the preset model. The method solves the problems of high monitoring cost and low efficiency in a traditional mode, and can monitor the working state of the boiler under the condition that users are not on spot, so that the safety coefficient and the working efficiency of the boiler are improved.

The invention provides laser anti-fake paint, a preparation method thereof, and a laser transfer membrane and a preparation method thereof. The paint comprises the following compositions in parts by weight: 40-45 parts of ethyl acetate, 20-25 parts of n-propyl acetate, 3-5 parts of methyl proxitol, 1-2 parts of butyl acetate, 8-10 parts of cellulosic compounds, and 10-12 parts of an acrylate homopolymer. The softening point of cellulosic compounds is 140 DEG C-185 DEG C, and the softening point of the acrylate homopolymer is 140 DEG C-185 DEG C. The paint employs ethyl acetate, n-propyl acetate, methyl proxitol and butyl acetate as a mixed diluent, does not contain ketones, and is relatively friendly to environment. The paint has relatively good coating uniformity, and has relatively good transparency after being spread on the base-material layer. Experiment results show that the residual content of methyl proxitol, n-propyl acetate, n-butyl acetate and ethanol in a laser transfer membrane prepared through coating of the paint accord with index requirements.

The invention belongs to the technical field of boilers, and particularly relates to a boiler monitoring system based on the Internet of Things. The boiler monitoring system comprises boilers, sensors connected to the boilers and used for collecting the work index parameters of the boilers, a controller connected to the sensors and used for processing the work index parameters, a communication module connected to the controller and used for transmitting the processed work index parameters, a central control computer connected to the communication module and used for monitoring the work states of the boilers, and a mobile terminal connected to the central control computer and used for inquiring the monitoring results of the boilers. According to the boiler monitoring system, the work index parameters of the boilers are collected through the sensors, the controller carries out digital-to-analogue conversion on the received work index parameters, the communication module sends the processed work index parameters to the central control computer for displaying, and therefore the boilers can be monitored timely and accurately, safety accidents are avoided, the safety factor of the boilers is increased, and the work efficiency of the boilers is improved.

The invention discloses an intelligent assembly robot for wall panels. The intelligent assembly robot for wall panels comprises a chassis (1), a middle frame (2) and an upper frame (3). The upper frame (3) is hinged to the middle frame (2) through hinges A (5). An upper turning hydraulic cylinder (6) is disposed between the upper frame (3) and the middle frame (2). The upper frame (3) is provided with a gripping plate (7), a front end clamp plate (8) and a rear end clamp plate (9). A front frame bar B (15) of the middle frame (2) is hinged to the chassis (1) through hinges B (16). A middle turning hydraulic cylinder (17) is disposed between the middle frame (2) and the chassis (1). A travelling mechanism is disposed on the lower portion of the chassis (1). The intelligent assembly robot for wall panels has the advantages that manual operation is replaced by mechanical operation, mounting efficiency and labor security are improved, and labor intensity is reduced; the double-tier structure is adopted, the hydraulic technology is adopted, reliability is high, exerted force is large, control is facilitated, and the functions of gripping, transporting and placing partition boards are successfully realized.

The stone thickness of all traditional outer wall decorative stone heat insulation integral plates in the prior art is higher than 8mm, the integral plates are all heavier than 25kg/m<2>, the resources are wasted, the cost is high, and the safety is low. In addition, separated independent hanging members are arranged between installing hanging elements and the plates, the installation is complicated, the efficiency is low and the labor cost is high. In the invention, the thickness of natural stones is finely processed to 5 to 6mm, grooves are mechanically formed on the back side of the stones, hanging members are arranged at the back side of the stones, and the stones and the heat insulation and hanging members are formed through one-step press molding through filling polyurethane at high pressure. The invention simultaneously solves the systematic problems of stone surface decoration, heat insulation, use safety, fast and convenient construction, cost reduction and the like, simultaneously avoids the potential quality hazard caused by in-site groove forming and hanging member installation through factory production and greatly improves the product quality and the use efficiency.

The invention discloses a charging cable for a light high-current-carrying tensile anti-torsion liquid-cooling direct-current charging pile. The charging cable comprises an assembly cable, a first outer wrapping layer, an inner protective layer, a first braided shielding layer, a second outer wrapping layer and an outer protective layer from inside to outside, the assembly cable comprises an anodemain power line, a cathode main power line, a ground wire, an anode auxiliary power line, a cathode auxiliary power line, a double-shielding communication signal line group and a combination line. The main power line comprises a first central conductor and an insulating layer. The first central conductor is a copper-clad aluminum conductor which surrounds a cooling hose and is formed through crossed irregular twisting. The ground wire comprises a second central conductor and an insulating layer, and the second central conductor is a copper-clad aluminum conductor formed by crossed regular orirregular stranding; the auxiliary power line comprises a third central conductor and an insulating layer; the combination line is a combined stranded line of a plurality of signal lines and an unshielded communication signal line group; and the unshielded communication signal line group is formed by twisting two signal lines. The requirement for direct-current quick charging is met, and the situation that internal thin core wires are broken due to frequent dragging can be prevented.

The invention discloses a waste cable storage box, and belongs to the field of containers. The storage box is of a frame-type structure, and a frame-type outer net is arranged on the outer circumference of the frame-type structure; the box bottom of the storage box is provided with a set openable structure which is used for opening or closing the box bottom of the storage box; the side face of thestorage box is provided with a door lock mechanism and an operating pulling rod used for operating movements of the openable structure; a cable unloading anti-clamping device is arranged at the hinged place of a box bottom door of the storage box and the frame-type structure of the storage box; a door lock inserting piece is arranged the combining part of the box bottom door of the storage box and the frame-type structure of the storage box; and when the storage box loaded with waste cables is hoisted and put in a compartment of a transporting vehicle, the self-weight of the storage box makethe openable structure do movement, the box bottom door of the storage box rises accordingly, the door lock pressure is relieved, the door lock pulling rod is pulled down, the storage box is lifted, and the cables are put into the compartment. The waste cable storage box can be widely used for the field of warehousing and transportation of the waste cables.

The invention discloses a corner connecting device for folding, which is equipped with a folding frame and a folding vehicle, belonging to the technical field of folding vehicles, and comprises a base, a sleeve, a tension spring, a sliding movable block, a bayonet, a sliding pin, a pressing movable block and a compression spring. The sleeve is connected with the base through a pin shaft; the sliding movable block is arranged inside the sleeve, the bayonet is fixed on the lower part of the movable block, and the sliding pin is fixed on the upper part of the movable block. The base is provided with a front limit clamping slot and a rear limit clamping slot. The pressing movable block is inserted on the sleeve through the socket. The invention has the advantages of high stability, convenientuse and more reliable safety.

The invention particularly relates to a waste rubber desulfurization plasticizing device, which belongs to the technical field of waste rubber regeneration equipment. The waste rubber desulfurization plasticizing device comprises a storage bin which is connected with a plasticizing pipeline; the tail end of the plasticizing pipeline is connected with a cooling pipeline; a discharge port is arranged at the tail end of the cooling pipeline; a spiral feeding manner is adopted in the plasticizing pipeline and the cooling pipeline; the surface of the plasticizing pipeline is provided with a heating device; the inner wall of the plasticizing pipeline is uniformly provided with pin bolts; the tail end of the plasticizing pipeline is provided with an extruding device; a motor-driven shearing device is arranged at the joint of the plasticizing pipeline and the cooling pipeline. The waste rubber desulfurization plasticizing device can be used for recycling waste rubber to avoid pollution and achieve environmental protection, is safe in use, and realizes high yield with low energy consumption; moreover, the waste rubber conversion rate is high, and regenerated rubber is high in quality; the space occupation ratio is low, and thus the space is saved; the operation is simple, and thus labor is saved; in addition, the manufacturing cost is low, and the service life is long.

The invention discloses a block chain cross-chain key security access method. The method comprises the steps of: converting a first private key of a native main block chain into a second private key through a reversible encryption algorithm; backing up the first private key and the second private key to an information storage area; generating one or more third private keys by using a key generation element, and setting a third private key or a combination of a plurality of third private keys for accessing the key block chain; establishing a VPN channel to access the key block chain to obtain the second private key; converting the second private key into the first private key through the reversible encryption algorithm; and establishing a VPN channel of the native main block chain and accessing the native main block chain by using the first private key. Meanwhile, the invention further provides a block chain cross-chain key security access device and a storage medium. According to the technical scheme provided by the invention, the storage and use safety of block chain private keys is ensured, and a user can safely and conveniently connect, query and access the block chain.

The invention relates to the technical field of cooling tower construction, and discloses a construction method for pouring a circular herringbone column of a cooling tower in a segmented mode. The method comprises the following operation steps that 1, construction preparation is carried out, specifically, a design construction drawing is familiarized, safe technical disclosure is carried out on construction workers, and meanwhile preparation work of materials, machines, tools and equipment is carried out. According to the construction method for pouring the circular herringbone column of thecooling tower in the segmented mode, a UPVC guide pipe discharging method is adopted in herringbone column concrete pouring construction, the problem that mixtures are separated due to the fact that the free falling height of concrete is large is mainly solved, a column top mold is covered and reinforced in a segmented mode, observation and manual auxiliary vibration can be convenient, two vibrating rods are adopted to work at the same time, and the problem that the use safety and durability of the structure are affected due to the fact that concrete is vibrated uncompactly can be effectivelysolved; and compared with a traditional pouring method, the construction method is simple in construction and easy to operate, and it can be effectively guaranteed that herringbone column concrete achieves the effect of solid inside and smooth outside.

The invention relates to an organosilicon porous breathable disinfection and sterilization nano-filtration material for masks and a preparation method thereof, the organosilicon porous breathable disinfection and sterilization nano-filtration material for masks is synthesized from a component A and a component B. The component A comprises the following components: methyl vinyl polysiloxane, methylhydrogen-containing polysiloxane, a chain extender, a foaming agent, a tackifier, an alkynol inhibitor and a sanitizer; and the component B comprises the following components: methyl vinyl polysiloxane, an anti-structuring agent, a weak reinforcing agent, a foam stabilizer and a platinum catalyst. After the organosilicon porous breathable disinfection and sterilization nano-filtration material for the mask is mixed and cured, the section foam holes are fine and uniform; the material has the advantages that the mask is flexible and transparent, enough breathing channels of the mask are guaranteed, the surface area is huge, the surface is full of stickiness and disinfection and sterilization factors, viruses and bacteria can be effectively adhered and killed, and the mask can be kept safe and sanitary in the long-time use process.

The invention discloses an ink anti-settling agent for identifying and code spraying before steel pipe delivery, and relates to the technical field of steel pipe identification. A specific preparationmethod comprises the following steps: (1) preparation of hydrogenated castor oil intercalated zeolite powder; (2) preparation of polyglutamic acid grafted acrylic resin; (3) preparation of anti-settling agent. The anti-settling agent disclosed by the invention is used for preparing water-based ink for identifying and code spraying of a steel pipe, and the ink is endowed with excellent storage stability while the safety problem in use of solvent type ink is avoided; moreover, the phenomenon of pigment settling occurring after pigment particles are stored for a long time is prevented, and thusthe normal code spraying and identifying function of the ink is guaranteed.

The invention discloses a sheet rolling adhesive-coating device for multi-layer bamboo plywood processing and relates to the technical field of plywood processing. The sheet rolling adhesive-coating device comprises a rack, adhesive-coating rollers, an adhesive storing trough disposed above the adhesive-coating rollers, an adhesive recycling trough disposed below the adhesive-coating rollers and motors which drive the adhesive-coating rollers to rotate at the uniform speed in the same direction, wherein the adhesive-coating rollers are composed of the first obverse-side adhesive-coating roller, the second obverse-side adhesive-coating roller, the first reverse-side adhesive-coating roller and the second reverse-side adhesive-coating roller which are distributed in an array mode; adhesive outlet pipes are disposed at the bottom of the adhesive storing trough; adhesive liquid in the adhesive storing trough flows into an obverse-side adhesive storing cavity through the adhesive outlet pipes and flows into a reverse-side adhesive storing cavity through a reverse-side adhesive inlet channel; and the adhesive recycling trough pumps recycled adhesive liquid into the adhesive storing trough through an adhesive liquid recycling pump and an adhesive liquid recycling pipe. By means of the sheet rolling adhesive-coating device for multi-layer bamboo plywood processing, double-side uniformcoating of the adhesive liquid on sheets can be achieved at the same time, the coating efficiency of the adhesive liquid is greatly improved, recycling of the adhesive liquid is achieved, the adhesiveliquid is prevented from being wasted, and the preparation cost of the adhesive liquid is reduced.

The invention discloses a battery pack equalization method, comprising the following steps: determining an information matrix of battery packs, obtaining a distance vector and a distance matrix according to the information matrix, judging suspected battery packs requiring equalization according to the distance vector and the distance matrix, further determining battery packs requiring discharge equalization and battery packs requiring charge equalization among the suspected battery packs requiring equalization, and ultimately performing discharge or charge equalization on batteries requiring equalization through a battery equalization module. The battery pack equalization method disclosed by the invention can detect the batteries requiring equalization and equalize the batteries requiringequalization, solve a problem that disagreement of battery cells in battery packs influences the use safety and maximum available capacity of a series battery pack system and prolong service life of the battery packs.

The present invention provides a lithium battery modeling method and system based on the voltage hysteresis effect. The method includes: step A: performing constant current and constant voltage charging at a certain temperature and pulse charge and discharge tests at different temperatures and rates for the lithium battery Experiment to obtain the functional relationship between the charging and discharging terminal voltage of the lithium battery and the state of charge of the lithium battery, and then analyze and determine the hysteresis voltage response in the open circuit voltage; step B: establish a comprehensive model of the lithium battery, which incorporates the The second-order nonlinear equivalent circuit model of the open circuit voltage of the lithium battery obtained from the state of charge of the lithium battery and the hysteresis model describing the dynamic hysteresis voltage; step C: identify the dynamic parameters in the comprehensive model of the lithium battery; step D: The obtained dynamic parameters are simulated and verified. This modeling method guarantees the accuracy and real-time performance of the lithium battery model, and can provide more accurate information for the model-based SOC estimation method, further improving the performance of the BMS.

The invention discloses a compound efficacy-type antiseptic composition. The composition includes a natural preservative and a chemical preservative. The natural preservative comprises a white mulberry root-bark extract and an amur cork-tree extract. The chemical preservative comprises a paraben preservative and a formaldehyde releasing-retardant preservative. The invention prepares the compound efficacy-type antiseptic composition by a mode of compounding the natural preservative and the chemical preservative, effectively reduces the dosage of the chemical preservative, solves the problem ofbacteriostasis limitation of common preservatives in cosmetics in the prior art and the problem of safety in use, and also solves the technical problem of insufficient stability and poor antiseptic effect of natural preservatives. The compound efficacy-type antiseptic composition of the invention has excellent broad-spectrum bactericidal property and mite-removing effect, can eliminate acne, has remarkable skin-care effect, can prevent the production of drug-resistant strains, has good antiseptic effect, is safe, and low in toxicity, has no irritation, is good in stability, and has a good application prospect in the field of cosmetics.

The invention relates to the technical field of mechanical equipment, in particular to an on-load rope arranging device which comprises a rack and a rope containing winding drum rotationally connected to the rack, the rope containing winding drum is coaxially and fixedly connected with a rotating disc, a plurality of protrusions are arranged in the circumferential direction of the rotating disc, grooves are formed between the adjacent protrusions, the on-load rope arranging device further comprises a sleeve and two hoops, the sleeve is provided with a plurality of through holes, and the two hoops are arranged in the through holes. The through hole is provided with a stop block, the hoop is detachably connected with an installation block, an elastic piece is arranged between the stop block and the hoop, the stop block can be inserted into the groove, and the protrusion can push the stop block to retreat from the groove. The scheme is used for solving the problems that in the prior art, after a heavy object is hoisted by a steel wire rope, the steel wire rope is prone to being squeezed and sunken on a lifting winding drum, so that the steel wire rope on the lifting winding drum is in a mess, and the service life of the steel wire rope is shortened, and even potential safety hazards are caused.