438results about How to "Delay aging" patented technology

The invention discloses a new energy power station intelligent charging and discharging control method based on a battery health state, and relates to the technical field of new energy electric power, and the method comprises the steps: collecting the energy storage data of a battery, training a battery health state evaluation model, taking the energy storage data of the battery as input data, and outputting an SOH value; the SOH value, the charge-discharge rate, the temperature and the discharge depth of the battery in the charge-discharge cycle process are collected, a battery life prediction model is trained, and the residual cycle life of the battery is predicted; defining an optimization target and constraint conditions, and solving an optimal balanced charging and discharging strategy; the SOH value of the battery is predicted in real time, the SOH difference is calculated, and when the SOH difference is larger than a preset difference threshold value, optimization of a next round of balanced charging and discharging strategy is triggered; the batteries with the SOH values smaller than the decommissioning threshold value are listed as decommissioning batteries, standing and charging and discharging experiment testing are conducted on each decommissioning battery, the available capacity percentage of each decommissioning battery is calculated, and the echelon utilization scene is matched for each decommissioning battery.

The invention relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with a self-adaptive environment adjusting mechanism, and the power distribution cabinet comprises a cabinet body which is used for fixing and supporting internal electrical elements; the automatic dehumidification assembly is mounted on the outer side of the cabinet body and is used for dehumidifying the cabinet body when detecting that the moisture content in the cabinet body is too high; the cleaning assembly is installed on one side of the cabinet body and used for conducting anti-blocking treatment on a filter screen arranged outside the cabinet body, and the driving assembly is installed outside the cleaning assembly and used for driving the cleaning assembly. By adding the automatic dehumidification assembly, the humidity in the power distribution cabinet can be effectively reduced, and the risk of electrical short circuit caused by a humid environment is reduced. By discharging moisture, safe operation of electrical equipment is guaranteed, and fire and electric shock accidents caused by moisture are avoided. And meanwhile, corrosion and aging processes can be slowed down, the service lives of the power distribution cabinet and internal components are remarkably prolonged, and the maintenance and replacement cost is reduced.

The invention discloses a cooling system, a control method of the cooling system and an edge server, and relates to the technical field of servers, and the cooling system comprises a refrigeration module and a vapor chamber module. The refrigeration module is used for being arranged outside the case and comprises a generator and an evaporator, and the generator and the evaporator are used for being arranged at a first heat conduction contact position and a second heat conduction contact position of the case correspondingly; the vapor chamber module is used for being arranged in a case and comprises a first vapor chamber set and a second vapor chamber set, the first vapor chamber set is used for being fixed to a heating assembly in the case, and the second vapor chamber set is connected with the first vapor chamber set. And the second uniform temperature plate group is configured to be in heat-conducting contact with the generator at the first heat-conducting contact position and in heat-conducting contact with the evaporator at the second heat-conducting contact position. The cooling system solves the problem that long-term stable work of equipment cannot be guaranteed when a current edge server works in an outdoor environment.

The invention provides a photovoltaic power generation mechanism, and relates to the field of photovoltaic power generation. A controller is installed in the power generation mechanism, moving mechanisms are inserted into the two sides of the power generation mechanism in a penetrating mode, the bottoms of the two moving mechanisms are connected through two transverse rods, and the transverse rods are connected with a pull rod mechanism through a connecting plate. When the overturning part overturns forwards, the pulling rod mechanism is driven to move downwards, the pulling rod mechanism stops pulling the connecting plate and the moving mechanism, the moving mechanism moves downwards under the action of the gravity of the moving mechanism, the controller is located in the power generation mechanism for protection, meanwhile, heat dissipation is conducted, and at night, the controller controls the overturning frame structure to overturn upwards, so that heat dissipation is conducted. The problems that a controller of a common photovoltaic power generation mechanism needs to be protected by a protection structure, aging is reduced, but the protection structure affects the heat dissipation efficiency of the controller, and the service life of the controller is affected are solved.

The invention relates to an anti-wrinkle and firming composition as well as a preparation method and application thereof. The anti-wrinkle and firming composition comprises the following components in parts by mass: 0.01-10 parts of composite polypeptide, 0.01-5 parts of recombinant collagen and 0.01-20 parts of amino acid or a derivative thereof, the composite polypeptide comprises acetyl peptide, palmitoyl peptide and carnosine. The brand-new anti-wrinkle and firming composition is developed through multi-dimensional formula design, acetyl peptide, palmitoyl peptide, carnosine and recombinant collagen are compounded, amino acid or amino acid derivatives are supplemented, the mutual synergistic effect is achieved, and the anti-wrinkle and firming purposes are achieved.

The invention provides a tightening, anti-wrinkle and soothing multi-effect integrated functional lipstick. The tightening, anti-wrinkle and soothing multi-effect integrated functional lipstick is prepared from the following components in percentage by mass: 10 to 30 percent of modified polydimethylsiloxane, 0.1 to 2 percent of modified silicon dioxide, 1 to 10 percent of pentaerythritol tetraisostearate, 10 to 35 percent of an emollient, 0.01 to 20 percent of a skin conditioner and 0.1 to 50 percent of an auxiliary agent, wherein the modified polydimethylsiloxane is obtained by copolymerizing hexadecyl methacrylate, vinyl-terminated polydimethylsiloxane and methylacryloylated sodium alginate, and the modified polydimethylsiloxane and the methylacryloylated sodium alginate are co-polymerized; the modified silicon dioxide is obtained by reacting hydroxylated silicon dioxide with alkyl acid. According to the invention, ester groups, alkyl chain segments and the like are introduced into the modified polydimethylsiloxane, so that the modified polydimethylsiloxane has good compatibility with other components, the dispersity and stability of active components can be effectively enhanced, and the effects of tightening, resisting wrinkles, relieving and the like of the modified polydimethylsiloxane are improved.

The invention relates to the technical field of battery gradient classification, in particular to a battery gradient classification identification method and system and a storage medium. The method comprises the following steps: carrying out dynamic workload log collection on a new energy automobile battery pack, and carrying out connection node load power consumption extraction to obtain connection node load power consumption data; theoretical load temperature fluctuation simulation is carried out on the connection node load power consumption data, and environmental influence effect analysis is carried out to obtain load environmental influence effect data; node output power consumption loss quantification is carried out according to load environment influence effect data, then performance output attenuation gradient analysis is carried out on connection node load power consumption data, a battery performance gradient classification and recognition model is constructed, then automatic firmware design is carried out, and battery performance gradient classification and recognition firmware is obtained. According to the method, the battery gradient classification technology is optimized, so that the battery gradient classification technology is more perfect.

The invention relates to a flame-retardant rubber and plastic thermal insulation material and a preparation method thereof, and belongs to the technical field of high polymer materials. The flame-retardant rubber-plastic thermal insulation material comprises the following components in parts by weight: 50-75 parts of nitrile rubber, 20-45 parts of PVC resin, 10-15 parts of a plasticizer, 1-10 parts of a foaming agent, 1-5 parts of a foaming promoter, 10-40 parts of a composite flame retardant and 2-6 parts of a modified anti-aging agent, cyclohexanehexol phosphate in the composite flame retardant is heated and dehydrated into phosphoric acid, a barrier layer is formed to inhibit release of combustible materials, and dimethylallylamine combusts to absorb heat and cooperates with phosphorus-oxygen double bonds for flame retardance; a pre-product in the modified anti-aging agent reacts with a free radical of a rubber molecular chain, so that the heat resistance and the aging resistance of the material are improved, a maleimide group enhances an intermolecular acting force, the rigidity and the heat resistance of the molecular chain are improved, and material aging caused by high temperature is reduced; the flame-retardant rubber and plastic thermal insulation material prepared by the invention not only has an excellent anti-aging effect, but also has good flame retardance.

The invention discloses a panel lamp light source integration system based on a flexible circuit board, and relates to the technical field of panel lamp light source integration. Generating an initial design drawing of the flexible circuit board containing a plurality of layers of conductive circuits and a plurality of light source bonding pads; the channel configuration module configures a driving control channel for the bonding pad and establishes a mapping table with the lighting function area; the thermal load optimization module calculates power consumption and thermal load distribution according to the mapping table and the performance parameters and adjusts routing topology to generate a final design drawing; and the manufacturing and assembling module is used for manufacturing a circuit board according to the drawing and mounting a micro light source to finish assembling. Wiring is matched with the shape of a panel and the characteristics of a light source during planning, heat distribution optimization is achieved in the layout stage, the number of times of modification is reduced, and local overheating is restrained. According to the invention, high-fit compact integration of the flexible circuit board and the panel lamp is realized, and the assembly efficiency and the operation stability are improved.

The invention relates to the field of cable materials, and discloses a flame-retardant anti-aging cable material and a preparation method thereof.The flame-retardant anti-aging cable material is prepared from, by weight, 45-70 parts of nitrile rubber, 20-40 parts of natural rubber, 7-12 parts of modified carbon nanotubes, 5-10 parts of composite filler, 3-5 parts of nano-zinc oxide, 2-4 parts of stearic acid, 1-3 parts of sulfur and 0.1-0.5 part of accelerant; the modified carbon nano tube is prepared by modifying a flame retardant and p-phenylenediamine on the surface of a carbon nano tube through a chemical reaction; the composite filler is prepared by taking a titanium dioxide nanosheet as a carrier and growing silicon dioxide nanoparticles in situ, and the cable material is endowed with excellent mechanical properties, flame retardance and ageing resistance by adding the modified carbon nanotubes and the composite filler.

The invention provides a battery module and a battery life prolonging method thereof, the battery life prolonging method is applied to a battery management system, and a charger is controlled by the battery management system to charge a battery cell group. Before the battery cell group is charged, after a target charging electric quantity value of the battery cell group is set according to the battery health state of the battery cell group, a constant-current charging mode is entered, and a charger starts to charge the battery cell group. And then, calculating a charged electric quantity value of the battery cell group, and when the charged electric quantity value is greater than the target charging electric quantity value, ending the constant-current charging mode. Therefore, the aging condition of the battery is estimated before charging, different life prolonging strategies are adopted, and then the target charging electric quantity value of the battery is dynamically changed, so that the full capacitance can be gradually improved according to the aging degree, and the purpose of prolonging the service life of the battery is achieved.

The invention discloses a multi-cable parallel connection anti-bias cable structure, and relates to the technical field of cables, the cable structure comprises a cable body, the cable body is provided with a mounting mechanism, the mounting mechanism comprises a circular ring groove, two circular pipes, a three-way pipe, a sealing plug and a clamping groove, and a rectangular block is fixed in the circular ring groove; according to the invention, the installation mechanism is arranged, so that the multi-cable parallel-connection anti-bias-current cable and the suspension wire can be conveniently installed in an overhead manner in the long-distance overhead laying process, that is, when the multi-cable parallel-connection anti-bias-current cable is subjected to long-distance overhead laying, a constructor can distribute and install the suspension wire and the cable at equal intervals; therefore, the situation that the service life of the cable is affected due to uneven stress of the cable is avoided, the using effect of the multi-cable parallel connection anti-bias-current cable is improved, and meanwhile the using efficiency of the multi-cable parallel connection anti-bias-current cable is improved.

The invention relates to the technical field of daily chemicals, in particular to a dark tea extract containing eurotium cristatum composite strains for solid aerobic fermentation. The composite strains comprise eurotium cristatum and saccharomycetes. The dark tea extract provided by the invention is stable in performance and not easy to discolor, contains components such as polysaccharide, amino acid and mineral substances, and can help skin moisturize. The permeability of the components is enhanced in the fermentation process, moisture can be locked on the surface layer of the skin, and the moisture degree of the skin is kept. The skin care product has very strong antioxidant capacity, and can neutralize free radicals, slow down the oxidation process of skin, delay skin aging and reduce wrinkles and fine wrinkles. A certain calming effect can be achieved on the skin which is prone to redness and itching or has slight inflammation.

The present invention relates to a weather-resistant and anti-aging polyethylene pipeline and a preparation method thereof, and belongs to the technical field of polymer materials. The pipeline adopts high-density polyethylene resin, linear low-density polyethylene resin, polyimide resin powder, nano silicon dioxide, nano hexagonal boron nitride, polybenzimidazole fiber, carnosic acid, zinc glycyrrhetinate, antioxidant 1010, hindered amine light stabilizer, polydimethylsiloxane titanate cross-linked polymer, 3-methacryloxypropyl triethoxysilane as raw materials; wherein, polyimide resin powder, carnosic acid and zinc glycyrrhetinate are uniformly mixed, and then modified at 300°C to 350°C for 30min to 60min to obtain a modified product, which can better improve the weather resistance and aging resistance of the pipeline. Each component is compatible with each other, and a special modified preparation method is adopted to better play the synergistic effect of the components, and greatly improve the weather resistance and aging resistance of the polyethylene pipeline.

The invention relates to the technical field of cables, and provides a waterproof cable for photovoltaic power generation, which comprises a cable body, a plurality of cable conductors are arranged in the cable body, the cable conductors are coated with insulating layers, the plurality of insulating layers are coated with a filling layer, and the filling layer is sequentially coated with a belting layer, a first waterproof sheath and a shielding layer. The cable further comprises a second waterproof sheath, a butt-joint conductive assembly, a butt-joint protection assembly and an end waterproof assembly, the second waterproof sheath wraps the shielding layer, the butt-joint conductive assembly is installed between the cable conductors in the two cable bodies, the butt-joint protection assembly is installed outside the butt-joint protection assembly, and the end waterproof assembly is installed between the butt-joint conductive assembly and the butt-joint protection assembly. According to the technical scheme, the problem that in the prior art, when a photovoltaic cable is laid outdoors, due to the fact that a cable head is not sealed tightly, a conductive part of the cable makes contact with water, and the cable is prone to open circuit and electric leakage is solved.

The invention provides nickel-carbon conductive shielding foam. The nickel-carbon conductive shielding foam sequentially comprises a conductive layer, foam, a bonding layer and an isolating layer from top to bottom, the foam comprises 25 to 40 parts of nickel-carbon nanotube-cerium oxide composite powder, 1 to 5 parts of an ionic liquid dispersant, 10 to 25 parts of organic silicone oil, 20 to 40 parts of silicone rubber, 5 to 10 parts of polyfuran, 5 to 10 parts of maleimide, 0.5 to 3 parts of a silane coupling agent, 0.01 to 0.1 part of a platinum catalyst and 0.2 to 1.5 parts of a cross-linking agent. The conductive foam can effectively restrain high-frequency electromagnetic interference generated in modern electronic equipment and ensure normal work of the equipment. A self-repairing system is constructed by adding polyfuran and maleimide. When the foam generates cracks under the action of mechanical stress or thermal cycle in the using process, the self-repairing material can automatically repair a conductive network through a reverse Diels-Alder reaction, and the shielding performance and the conductivity of the material are recovered.

The invention relates to the field of cosmetics, in particular to a berry composition for scalp care and a preparation method and application thereof, and the preparation method comprises the following steps: A, pretreating fruits to obtain berry freeze-dried powder; b, preparing a deep eutectic solvent; c, mixing the berry freeze-dried powder with the deep-eutectic solvent, and performing oscillation extraction to obtain a berry procyanidine crude extract; d, purifying the berry procyanidine crude extract with macroporous resin to obtain a first purified berry procyanidine product; e, removing the solvent from the first purified berry proanthocyanidins to obtain a second purified berry proanthocyanidins; and F, dissolving epicatechin, mixing the dissolved epicatechin with the second purified product of the berry procyanidine, uniformly heating in a vacuum environment, cooling after relieving the vacuum environment, mixing with amino acid hydrochloride, and preserving heat to obtain the berry extract.

The invention discloses an extracellular vesicle and a preparation method and application thereof, and belongs to the technical field of cosmetics, and the preparation method comprises the following steps: mixing rose and a PBS buffer solution, juicing, and filtering to obtain a filtrate; adding cellulase, xylanase and beta-glucanase into the filtrate, carrying out enzymolysis, and filtering to obtain an enzymatic hydrolysate; and centrifuging the enzymatic hydrolysate, filtering, resuspending and precipitating to obtain the rose extracellular vesicles. The rose extracellular vesicles can guarantee structural integrity and biological activity, can effectively load active ingredients, and can effectively deliver active molecules in the rose extracellular vesicles to target cells through interaction with membranes of skin cells. The extracellular vesicles can be fused with skin cell membranes to enter cells, active ingredients encapsulated by the extracellular vesicles are released, and the absorption efficiency of skin is improved.

The invention discloses an automatic water-cooled power supply host system with independent partitions, and belongs to the technical field of power electronics, and the system is characterized in that the system comprises a host body, the host body is internally provided with a partition shelf, and the partition shelf is internally provided with a cavity. Each cavity is provided with an independent cooling coil, when a heating element corresponding to a certain cavity works to generate heat, a liquid pump sucks cooling liquid from an inlet pipe, the cooling liquid is accurately distributed through a flow dividing pipe and a flow control structure and then enters the cooling coil of the cavity, and by means of the independent cooling mode, when one cavity breaks down, the cooling liquid can be cooled by the liquid pump. The cooling liquid circulation is only influenced in the loop of the cavity, other cavities can still work normally, the reliability of the system is greatly improved, the overall downtime caused by local faults is shortened, and meanwhile, due to the design of the independent cavities, workers can quickly position fault points conveniently, and only the fault cavity is maintained and repaired.

The invention relates to the related technical field of battery management systems, in particular to a battery protection board with temperature control protection, which comprises a battery block, and the surface of one side of the battery block is fixedly connected with a temperature control protection mechanism. According to the battery protection plate with the temperature control protection function, through the arrangement of the temperature control protection mechanism, after a temperature sensor detects that the temperature is too high, an air pump is controlled to inject high-pressure gas into a vortex tube, cooling treatment is conducted on a cooling pipe, and after cold air leaves a cooling flow pipe, the cold air enters a battery block cooling pipeline to conduct heat dissipation on the outer side of a battery block; meanwhile, the liquid pump drives liquid in the flow guide pipe and the cooling pipe to flow to realize heat exchange between the liquid and the battery block, so that the heat of the battery in a high-temperature environment is effectively regulated and controlled, the chemical reaction rate in the battery is prevented from being greatly increased due to high temperature, and meanwhile, the aging process of the battery is accelerated by reducing the high temperature; the charge-discharge efficiency and capacity of the battery are improved, and the service life of the battery is prolonged.

The utility model provides a duplex printing antibacterial wear-resistant towel, which relates to the technical field of towels and comprises a towel base layer, a deodorization layer is compounded on one side of the towel base layer, a first antibacterial layer is compounded on one side of the deodorization layer, and a first printing layer is compounded on one side of the first antibacterial layer. According to the antibacterial towel, the edge of the whole towel is wrapped by the first wrapping edge and the second wrapping edge, abrasion of the towel body in the using process is reduced, one side of the first antibacterial layer and one side of the second antibacterial layer can be wrapped and protected by the first printing layer and the second printing layer, abrasion of the first antibacterial layer and the second antibacterial layer is reduced, and one side of the protective layer is compounded with the first antibacterial layer. The aging of the antibacterial layer I can be slowed down; when the towel is used, the first antibacterial layer and the second antibacterial layer can be used for double antibacterial protection, bacteria breeding and mildewing in the towel are reduced, and the first auxiliary strip and the second auxiliary strip in the deodorization layer can adsorb peculiar smell in the towel and reduce peculiar smell residues.

The invention discloses an automobile static temperature control system of a coupled radiation refrigeration automobile cover and a phase change heat storage module, and belongs to the field of heat management materials. A radiation refrigeration automobile cover covers an automobile, a phase change heat storage module is placed in the automobile, when temperature rises in the daytime, most heat is isolated by the radiation refrigeration automobile cover by reflecting solar radiation, high-density infrared radiation and low thermal conductivity, and when remaining heat enters a compartment, the interior of the compartment is kept in a low-temperature state through constant-temperature absorption of the phase change heat storage module; when the air temperature drops and at night, heat stored by the phase change heat storage module is quickly transmitted to the outside through high-density infrared radiation of the radiation refrigeration car cover, so that the interior of the compartment is in a low-temperature state. Under the dual-function coupling effect, the low-temperature state in a compartment is achieved, automobile starting temperature control energy consumption is reduced, the comfort degree of a human body is improved, and the risks of aging of elements in an automobile and spontaneous combustion of a power battery caused by high temperature are reduced.

The invention discloses an airflow stirring device with a high-temperature sealing effect and a using method thereof. The airflow stirring device comprises a stirring container, a gas distributor arranged at the bottom of the stirring container, a driving stirring mechanism arranged on the stirring container and the gas distributor, and a multi-stage sealing assembly arranged on the gas distributor and the driving stirring assembly. The stirrer is matched with the gas distributor for use, the dispersion capacity is high, the circulation capacity is good, the problems of high-temperature caking and poor suspension effect of mixed materials are solved, the multi-stage sealing assembly is adopted, the sealing performance is enhanced, and the danger of explosion caused by sealing failure and gas leakage at the high temperature is prevented; the sealing reliability of the stirring device under severe working conditions such as high temperature is greatly improved, the possibility of explosion caused by gas leakage is reduced, the multi-stage cooling assembly is adopted, the temperature of a sealing part is reduced, downward heat transfer is reduced, and it is guaranteed that the device operates stably at the high temperature.

The invention relates to the technical field of material management, and discloses a logistics management system based on a big data technology, which comprises a transportation data acquisition module, a transportation data analysis module and an early warning module, and is characterized in that the transportation data acquisition module is used for monitoring and acquiring temperature data, humidity data, gas concentration data and vibration data in a transportation compartment; the transportation data analysis module is used for calculating a temperature contrast data set, a humidity contrast data set, a gas concentration contrast data set and a vibration index according to the corresponding data sets, comparing the data sets with corresponding threshold values, and judging whether abnormity exists or not; according to the invention, the early warning module sends an abnormal signal to the early warning module while judging that there is a fault or an article easy to damage, and the early warning module gives out a corresponding alarm according to the corresponding signal, so that problems existing in the transportation process are found in time from multiple aspects comprehensively, corresponding early warning is carried out, and the freshness and video safety of food, vegetables and fruits in the transportation process are effectively ensured.

The utility model relates to the technical field of roads and bridges, in particular to a road and bridge panel joint reinforcing device which comprises a first panel, and a second panel is arranged on one side of the first panel. One side of the first panel and the interior of the second panel are jointly provided with a connecting assembly; the bottom ends of the first panel and the second panel are jointly provided with a reinforcing assembly. Through cooperative use of the square columns, the connecting blocks, the special-shaped blocks, the round rods and the circular truncated cones, the purpose of prolonging the service life of the panels can be achieved, dependence of a single bolt is reduced, a more stable and compact structure can be provided, and therefore the overall bearing capacity and stability are enhanced, displacement and looseness between the panels are reduced, and the service life of the panels is prolonged. The maintenance and repair requirements are reduced, the maintenance cost is reduced, the maintenance period is shortened, and the aging and abrasion of the pavement are effectively slowed down.

The invention relates to the field of natural flavone extraction, in particular to a composite extract of ampelopsis grossedentata leaves as well as a preparation method and application of the composite extract. The preparation method of the composite extract of the ampelopsis grossedentata leaves comprises the following steps: step 1, cleaning and crushing the silybum marianum, the ampelopsis grossedentata leaves, the pineapples and the longan to obtain an initial mixed plant; 2, mixing the initial mixed plant with water, and treating under an ultrasonic power condition to obtain an ultrasonic treatment substance; 3, treating the ultrasonic treatment object under a microwave condition to obtain a microwave treatment object; step 4, adding acetobacter aceti, bacillus subtilis and white rot fungi into the microwave treated material, and fermenting to obtain a fermented mixture; and step 5, centrifuging, and collecting supernate to obtain the composite extract of the ampelopsis grossedentata leaves. The composite extract of the ampelopsis grossedentata leaves can improve the extraction efficiency of flavonoid substances, and has remarkable anti-inflammatory and anti-oxidation effects.

The utility model discloses a spiral thermal insulation pipe with anticorrosion function, which comprises an inner ring, an outer ring and a connecting device, the outer side surface of the inner ring is fixedly connected with a thermal insulation layer, the outer side surface of the thermal insulation layer is fixedly connected with a buffer layer, and the outer side surface of the buffer layer is fixedly connected with an anti-termite layer. An outer ring is fixedly connected to the outer side face of the insect and ant prevention layer, an anti-corrosion layer is sprayed to the outer side face of the outer ring, threaded protruding blocks are fixedly connected to the outer side face of the outer ring, reinforcing plates are fixedly connected to the outer side of the inner ring at equal angles, a connecting device is installed at the outer end of the left side of the outer ring, and the heat preservation layer is made of polyurethane heat preservation materials. The outer side of the reinforcing plate is fixedly connected with the inner side of the outer ring at equal angles, and the connecting device is formed by combining a connecting ring, a through hole, a storage groove, a threaded rod and a clamping plate. According to the spiral heat preservation pipe with the anti-corrosion function, the heat preservation pipe has the anti-corrosion function conveniently, the heat preservation pipe is reinforced conveniently, and two sets of heat preservation pipes are connected and fixed conveniently.

The utility model discloses a hand buffering mechanism of a handheld nut picking machine, the nut picking machine comprises a handheld part and a picking part, the hand buffering mechanism comprises a limiting plate arranged at the upper end of the handheld part in a sliding mode and a fixing rod arranged in an inner cavity of the handheld part; a holding handle is arranged above the limiting plate, and the two ends of the holding handle penetrate through the limiting plate to be arranged on the fixing rod in a sleeving mode. A first fixing block is arranged in an inner cavity of the handheld part; the fixing rod penetrates through the first fixing block, the two sides of the fixing rod are sleeved with springs, one end of each spring is connected with the end of the holding handle, and the other end of each spring is connected with the first fixing block. The picking machine can be prevented from being damaged by inertial impact, the service life is prolonged, and the picking machine is safe and stable.

Belonging to the technical field of lamp shell materials, the invention discloses an anti-aging lamp shell composite material, which comprises the following components by mass: 80-110 parts of modified PC master batch; 20 to 30 parts of modified ABS master batch; 2-7 parts of titanium silicon powder; 8-16 parts of hollow glass beads; 2 parts of a toughening agent; 0.1 to 0.3 part of a lubricant; the titanium-silicon powder effectively increases the white brightness of the lamp body shell, and when the titanium-silicon powder is used in cooperation with the hollow glass beads, the lamp shell can have higher light reflectivity, the lamp shell reflects most light to the diffusion plate and then emits the light, the overall luminous flux of the lamp is increased, meanwhile, the light absorption amount of the lamp shell is reduced, and the aging speed can be effectively slowed down. Wherein the modified PC master batch is prepared by mixing PC resin, 2, 6-di-tert-butyl-4-methylphenol and thiodipropionic acid diester; wherein the modified ABS master batch is prepared by mixing ABS resin and a composite ultraviolet absorbent. The PC master batch and the ABS master batch are both modified, so that the oxidation resistance is higher after the lamp shell is formed.

The invention belongs to the technical field of automobile suspensions, and particularly relates to an air spring which comprises a base, an air bag and a piston which are arranged from bottom to top, and an air containing cavity is defined by the base, the air bag and the piston. The piston is provided with a column cavity with a downward opening, a plunger in axial sliding sealing fit with the inner side wall of the piston is arranged in the column cavity, and the lower end of the plunger is connected to the base. The plunger divides the gas containing cavity into a main gas chamber and a compressed gas chamber, and the compressed gas chamber is located on the upper side of the top face of the plunger. The piston is provided with a first inflation inlet communicated with the main air chamber, a second inflation inlet communicated with the compression air chamber and an air outlet. And a one-way valve leading to the compressed air chamber is arranged on the second inflation port. Vehicle kinetic energy absorbed by the air spring is converted into telescopic motion of the plunger, power is provided for extracting gas from the compression gas chamber, compressing the gas in the compression gas chamber and conveying high-pressure gas out of the compression gas chamber, the high-pressure gas used by other devices is generated, and environment friendliness is achieved. Heat of the air spring is reduced, and service life of the air spring is prolonged.