466results about How to "Reduce aging speed" patented technology

The embodiment of the invention provides a heat management device and an energy storage cabinet. The heat management device is used for the energy storage cabinet and comprises a first loop unit, a second loop unit, a multi-way valve and a phase change heat storage unit. The first loop unit comprises a first heat exchange pipeline, and the first heat exchange pipeline is used for exchanging heat with an energy storage device of the energy storage cabinet; the second loop unit comprises a second heat exchange pipeline; the phase change heat storage unit comprises a first flow channel, a second flow channel and a phase change part, the first flow channel can selectively communicate with the first heat exchange pipeline through a multi-way valve, and the second flow channel directly communicates with the second heat exchange pipeline; the phase change part is in heat conduction contact with the first flow channel and the second flow channel. The heat management device is arranged, and the phase change part is in heat conduction contact with the flow channel, so that efficient heat exchange between the phase change material and the cooling liquid in the flow channel can be realized. When the temperature of the cooling liquid in the flow channel rises, the phase change material absorbs heat and generates phase change, and vice versa, so that the temperature fluctuation in the flow channel is balanced.

The invention relates to the technical field of coolers, and provides a plate type cooler which comprises a box body and a spraying pipe and further comprises a plurality of heat exchange plates, the heat exchange plates are arranged in the box body at intervals and located below the spraying pipe, every two adjacent heat exchange plates are communicated, each heat exchange plate comprises a plate body, each plate body is provided with a cavity, and heat exchange water is introduced into each cavity; the multiple turbulent flow strips are arranged in the cavity at intervals, each turbulent flow strip is provided with a baffling part and a turbulent flow part, one end of each baffling part is arranged on the inner wall of the plate body, and each turbulent flow part is rotationally arranged at the other end of the corresponding baffling part; the control piece penetrates through one side of the plate body and extends out of the box body, the control piece is provided with a connecting end, the connecting end is arranged on the turbulent flow part, and the control piece is used for driving the turbulent flow part to rotate. By means of the technical scheme, the problems that in the prior art, due to the fact that channels between the plates of a traditional plate cooler are very narrow, the phenomenon of blockage after scaling is prone to occurring, and the heat exchange effect is affected are solved.

The invention relates to the technical field of photovoltaic packaging materials, and discloses a black high-reflection infrared integrated packaging material and a preparation method thereof, and the black high-reflection infrared integrated packaging material comprises a bonding packaging layer, a light management layer, a mechanical transition layer and an insulating supporting layer which are arranged from top to bottom; all the layers are subjected to integrated melting and co-extrusion to obtain the packaging material; the first melting point of the bonding packaging layer is 70-100 DEG C, the second melting point of the bonding packaging layer is 110-130 DEG C, and the content of the cross-linked gel after irradiation is 5-30%; the melting point of the light management layer is 70-130 DEG C, the light management layer comprises a perylene black surface layer and a white light reflecting layer which are sequentially arranged, the visible light absorptivity of the perylene black surface layer is larger than or equal to 90%, and the infrared light transmittance of the perylene black surface layer is larger than or equal to 50%; the melting point of the mechanical transition layer is 90-130 DEG C; and the melting point of the insulating support layer is 120-180 DEG C. According to the invention, the high transmittance of infrared light is maintained while the deep black appearance is realized, the secondary absorption of the infrared light can be realized, and the overall efficiency of the assembly is improved.

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 method of an elevator energy consumption optimization control system, which relates to the technical field of elevator energy consumption optimization, and comprises the following steps: in the elevator running process, acquiring elevator running information of a floor planned to stop in the running process in real time, and preprocessing the acquired elevator running data to obtain a pre-processed elevator running data; and a basis is provided for analyzing the use mode and the operation efficiency of the elevator. According to the invention, through intelligent division of near-distance stopping, middle-distance stopping and long-distance stopping, the elevator system realizes fine speed and acceleration adjustment aiming at different running distances, energy consumption and transportation efficiency are effectively balanced, and the power peak demand and electric power waste are reduced. The instantaneous current impact is reduced by short-distance stopping, and the mechanical wear is relieved; and the acceleration is optimized by long-distance parking, so that excessive consumption under high load is prevented, and the temperature rise of the equipment is avoided. On the whole, intelligent control reduces equipment aging and heat dissipation requirements, the service life of the elevator is remarkably prolonged, and the long-term maintenance cost is reduced.

The utility model discloses a branch pipeline utilizing a centrifugal pump to adjust flow, which comprises a main water tank, a water outlet pipe is arranged at the bottom of the main water tank, the side face of the water outlet pipe is connected with a water outlet branch pipe through a centrifugal pump, and a return pipe is connected between the water outlet branch pipe and the upper end of the main water tank. According to the utility model, the combination of the return pipe and the flow velocity sensor is introduced, so that unstable water flow can be automatically guided back to the main water tank at the initial stage of starting of the centrifugal pump, and the damage to the water outlet branch pipe caused by water flow impact is effectively avoided. By means of the design, the aging speed of the pipeline is remarkably reduced, the service life of the pipeline is prolonged, and the maintenance cost and the water cut-off time caused by pipeline damage are reduced.

The invention discloses an environmentally friendly high-elastic polyurethane modified acrylic runway surface adhesive and a preparation method thereof, which solves the problems of insufficient compatibility and mechanical strength of a plastic runway prepared by using organosilicon modified polyurethane in the existing process, and easy shedding or stratification when the organosilicon is compounded with the polyurethane. The runway surface adhesive is composed of the following raw materials: water-based polyurethane emulsion, modified acrylate, modifier, flame retardant, antioxidant, crosslinking agent, auxiliary foaming agent and white oil. The invention provides an environmentally friendly high-elastic polyurethane modified acrylic runway surface adhesive, which uses water-based polyurethane emulsion and modified acrylate as base materials, and the method of modifying the water-based polyurethane emulsion by modified acrylate is more environmentally friendly, while the modifier in the raw materials ensures that the runway surface adhesive has high elasticity and crosslinking density, and the modifier and the auxiliary foaming agent cooperate with each other to significantly improve the foaming effect of the plastic runway, and help to generate uniform and dense bubbles inside the runway surface adhesive material.

The invention discloses a lightweight sound-insulation aerated concrete block and a preparation method thereof, and relates to the technical field of aerated concrete blocks. The polypropylene fibers are blended into the aerated concrete at a low mixing amount, so that the overall performance of the concrete is remarkably improved, the concrete is endowed with a new acoustic characteristic, and the polypropylene fibers have a unique physical property and a distribution mode; a structure similar to a natural or artificial fabric is formed in a pore network of the aerated concrete, when sound waves pass, tiny vibration of fibers can be induced, then the sound waves interact with surrounding pore walls, friction and energy conversion are generated, mechanical energy of the sound waves is effectively converted into heat energy in the process, and the sound waves can be effectively absorbed by the aerated concrete. The absorption and weakening of sound waves are realized, so that a remarkable sound absorption effect is shown.

The invention discloses a novel single-rail extrusion welding process for a geomembrane. The process comprises the following steps: carrying out leveling treatment and drying treatment on the surface of a reservoir bottom; the geomembrane is cut into a proper size and laid on the surface of the reservoir bottom, and the lap joint area is kept in a flat state; the TPO geomembrane, the novel geomembrane and the HDPE geomembrane are sequentially lapped in a staggered joint mode and welded through a single-rail extrusion welding machine, so that intersection points formed among membrane blocks are in a T shape; testing the geomembrane, and marking and repairing the found defect part until the retest is qualified; the novel geomembrane comprises a base material layer and an anti-ultraviolet layer, the upper surface of the base material layer is coated with the anti-ultraviolet layer, and the thickness ratio of the base material layer to the anti-ultraviolet layer is 1: (0.1-0.5). The construction is convenient, the adopted novel geomembrane has the excellent deformation adaptive capacity of an elastic material and the weldability of a plastic material, and when the geomembrane is used for seepage control of a reservoir area, leakage damage to a reservoir bottom connecting part can be avoided.

The invention relates to a preparation method and application of a wall coating type enzyme-loaded microchannel reactor. The method comprises the following steps: mixing tetramethyl orthosilicate, methyltrimethoxysilane and methanol to obtain a solution A; deionized water, polyethylene glycol, a sodium fluoride aqueous solution and a dialyzed lipase solution are mixed to obtain a solution B, the solution B and the solution B are mixed for 3-10 minutes in an ice bath environment to obtain a solution C, the solution C is introduced into the pretreated microchannel through an injection pump, after incubation is conducted for 10-60 minutes, nitrogen is adopted for purging, redundant sol-gel is removed, and then the solution C is put into a drying oven to be dried; the catalyst is used for hydrolysis reaction of grease and various ester exchange and esterification reactions. The method can be carried out in a mild environment, and has higher conversion rate and shorter reaction time.

The utility model relates to the technical field of power transformers, and discloses a power transformer with a good heat dissipation effect, which comprises a support table, the upper and lower parts of the left and right sides of the rear end of the support table are fixedly connected with mounting plates, and the top side of the front end of the support table is connected with a fixed plate through a buffer assembly; the top end of the fixing plate is fixedly connected with a transformer body, the top end of the transformer body is fixedly connected with an insulator, the bottom end of the fixing plate is fixedly connected with a water tank, the left side and the right side of the bottom end of the transformer body are fixedly connected with air boxes and penetrate through the air boxes, and the bottom ends of the air boxes are fixedly connected with dustproof nets. According to the utility model, the internal temperature of the transformer is effectively reduced, and the aging speed of an insulating material is slowed down, so that the operation reliability of the transformer is improved, the buffering effect of the device is improved, and the impact and vibration of external factors on the transformer can be effectively reduced through the good buffering effect of the device.

The present invention relates to the field of line connection technology, specifically to a wiring connector for distribution network lines below 10 kilovolts, comprising a connector and a plug connector, one end of the connector is fixedly connected with a sealed socket, the inside of the plug connector is fixedly connected with a plurality of pins adapted to the sealed socket, the outer surface of the connector is provided with a fastening sleeve for fastening the plug connector, the inside of the plug connector is provided with a plurality of fixing beads for fixing the sealed socket, the inside of the connector is fixedly connected with a closing piece, the inside of the closing piece is provided with a sealing ring for sealing, and the inside of the closing piece is provided with an expansion component for supplying air to the sealing ring. The expansion component supplies air to the sealing ring to cause it to expand highly, thereby more effectively filling the gap between the connector and the plug connector, significantly improving the sealing performance of the connector, and effectively blocking the entry of external air, moisture and other pollutants.

The invention relates to an irrigation and fertilization method for high-efficiency production of cotton under a zero chemical regulation condition, which comprises the following steps: setting a plant water deficit index threshold value, and setting a water regulation coefficient according to the sensitive degree of cotton in each growth stage to water stress; optimally determining the total fertilization amount in the whole growth period of the cotton, and determining a nutrient regulation coefficient according to the sensitive degree of the cotton in each growth period to nutrient stress; continuously obtaining root zone soil moisture and salinity dynamic data, and evaluating a plant moisture deficit index; when the estimated value of the plant water deficit index threshold value is larger than the set threshold value, a valve is opened for irrigation, the irrigation quota is calculated, and staged pulse fertilizer injection or continuous variable fertilizer injection is adopted in the water and fertilizer integrated implementation process. According to the method, the water, fertilizer and salt environmental conditions of the soil are regulated in time through irrigation and fertilization, the growth process of the cotton is further regulated, especially the relation between vegetative growth and reproductive growth is optimized, excessive growth of the cotton is effectively prevented on the premise that growth regulators such as mepiquat chloride are not applied, and the aims of saving water and fertilizer, inhibiting salt, increasing yield and income and the like are achieved.

The present invention provides a self-service electric vehicle fast charging station, including a shell and a bracket, the bottom of the shell is movably equipped with an adjustment frame through an adjustment mechanism, the top of the adjustment frame is fixedly equipped with a vertical plate, the front view of the adjustment frame is in a "U" shape, and a storage mechanism is installed inside the adjustment frame, and the storage mechanism includes a rotating rod. The present invention can reel and store cables through the adjustment frame and the rotating rod to prevent them from being damaged by friction with the ground, and can store charging guns through the lifting frame to prevent rainwater and dust from affecting the use of the charging guns, and can seal the square holes through the sealing plate to prevent dust and rainwater from entering the interior of the charging.

The invention discloses a high-strength corrosion-resistant CPVC pipe formula and a preparation method thereof. The high-strength corrosion-resistant CPVC pipe formula comprises CPVC resin, a stabilizer, a plasticizer, a lubricant, an impact modifier, a filler, color master batch and nano silicon dioxide. The method comprises the following steps: 1, preparing raw materials; step 2, premixing treatment; step 3, plasticizing extrusion; step 4, cooling and shaping; step 5, cutting detection; step 6, carrying out surface pretreatment; step 7, primer coating; step 8, coating a finishing coat; according to the invention, the nano silicon dioxide is added into a traditional CPVC pipe formula, and after blending, the nano silicon dioxide is well combined with a matrix, so that the strength of the pipe is enhanced; oil stains and impurities left on the surface are removed through surface pretreatment, and the production qualification rate of the pipe is guaranteed; and during surface treatment, epoxy primer and fluorocarbon finish paint are sequentially coated to provide an additional protection layer for the pipe, so that the aging speed is slowed down, the corrosion resistance is improved, and the service life of the pipe is prolonged.

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 present application discloses an outdoor double-spray cloth coated with ultra-light water-based paint and a manufacturing process thereof, belonging to the field of advertising cloth. The outdoor double-sprayed cloth coated with ultra-light water-based paint comprises a base cloth layer, a waterproof and fireproof adhesive bottom layer and an ink receiving layer, wherein the waterproof and fireproof adhesive bottom layer is coated on two opposite sides of the base cloth layer, and the waterproof and fireproof adhesive bottom layer on one side is coated with an ink receiving layer; the base cloth is made of black and white high-strength silk; the coating for the waterproof and fireproof adhesive bottom layer comprises the following components in parts by weight: 23-30 parts of water-based thermoplastic adhesive, 6-12 parts of shading powder, 8-15 parts of fire retardant and 0.05-0.15 parts of waterproofing agent; the coating for the ink receiving layer comprises the following components in parts by weight: 8-12 parts of water-based thermoplastic adhesive, 0.5-1.5 parts of anti-ultraviolet finishing agent, 12-17 parts of hot melt powder and 1-3 parts of silicon powder; the advertising cloth has the characteristics of lightness, softness, high covering, high tensile strength, PVC-free, waterproof, fireproof, anti-ultraviolet, weldable and sprayable, and is particularly suitable for outdoor sunshade, rainproof and storefront building advertising.

The invention relates to the technical field of functional agricultural films, and specifically discloses an agricultural film with improved light quality and temperature increase and a preparation method thereof. The agricultural film comprises the following raw materials: terephthalic acid, adipic acid, ethylene glycol, 1,4-cyclohexanediol, a fluorescent composite material, a catalyst and an auxiliary agent. The preparation method comprises the following steps: uniformly mixing terephthalic acid, adipic acid, ethylene glycol, 1,4-cyclohexanediol and the catalyst, and then, under the protection of an inert gas, performing an esterification reaction for 3-5 hours, heating the mixture for a polycondensation reaction for 1-3 hours, and cooling the mixture to obtain a polyester material. The polyester material, the fluorescent composite material and the auxiliary agent are uniformly mixed, extruded into granules, and then film-blowing is performed using a film blowing machine. The agricultural film prepared by the invention has low hygroscopicity, high light transmittance, good processing performance, and excellent rigidity, heat resistance, flexibility, impact resistance and light conversion effect.

The invention relates to the field of magnesium phosphate cement-based materials, and particularly discloses an interface-enhanced emulsified asphalt composite magnesium phosphate cement repairing material and application thereof. The repairing material comprises the following components in parts by weight: 400-600 parts of a magnesium phosphate cement-based material, 50-150 parts of emulsified asphalt, 5-10 parts of a toughening organic component, 10-15 parts of an optimizing agent, 8-20 parts of an interface reinforcing agent, 4-10 parts of chemically modified fibers and 80-100 parts of mixing water. The magnesium phosphate cement-based material comprises the following components in parts by weight: 150-300 parts of magnesium oxide powder, 70-150 parts of phosphate and 10-30 parts of a retarder. According to the invention, demulsification of the emulsified asphalt and hydration of the magnesium phosphate cement can be coordinated and matched with each other, the bonding capacity between the repairing material and a repairing interface can be enhanced, and the mechanical property of the repairing material is improved.

The invention relates to the technical field of aluminum electrolytic capacitor manufacturing, in particular to an anti-lightning aluminum electrolytic capacitor and a manufacturing method thereof.The anti-lightning aluminum electrolytic capacitor comprises an anode foil, a cathode foil, electrolytic paper, electrolyte, a rubber plug, a guide pin and an aluminum shell, the guide pin is riveted to the surfaces of the anode foil and the cathode foil, and the anode foil and the cathode foil are isolated through the electrolytic paper; and winding to form a capacitor core package, infiltrating the core package by the electrolyte, filling the core package into an aluminum shell, sealing the aluminum shell by a rubber plug to form an aluminum electrolytic capacitor, and aging the capacitor to obtain a finished product. According to the anti-lightning aluminum electrolytic capacitor and the manufacturing method thereof provided by the invention, the high-conductivity covering film and the optimized positive foil structure are adopted, so that the anti-lightning aluminum electrolytic capacitor has relatively high compression strength and anti-lightning capability, stable performance can be kept when the anti-lightning aluminum electrolytic capacitor is subjected to strong current impact such as lightning stroke, and the reliability and the safety of electronic equipment are improved.

The utility model belongs to the technical field of water stop structures, and particularly relates to an LUUI closed type rubber water stop belt and a water stop structure used at the joint of a new building and an old building. The water stop belt comprises a double-U-shaped sealing belt, an L-shaped wing plate belt and an I-shaped wing plate belt. The double-U-shaped sealing belt is formed by oppositely buckling two U-shaped belts to form a sealed whole; the L-shaped wing plate belt and the I-shaped wing plate belt are fixed to the two opposite sides of the double-U-shaped closed belt respectively. The water stop structure comprises an L-shaped groove body formed in the side, close to a joint, of an original building, and an L-shaped wing plate strip is matched with the L-shaped groove body and fixed to the L-shaped groove body. The double-U-shaped sealing belt is arranged in a joint of an original building and a new building, and the width B of the double-U-shaped sealing belt is matched with the width of the joint. And the I-shaped wing plate strip is poured in a new building. The LUUI closed type rubber waterstop and the waterstop structure can adapt to telescopic displacement and uneven settlement difference between new and old building concrete, so that the waterstop does not lose efficacy due to overlarge settlement difference and vibration dislocation, and potential safety hazards caused by premature tearing failure are avoided.

The invention relates to the technical field of optical fiber connectors, in particular to a shockproof buffer device of an optical fiber movable connector, which is characterized in that a left joint is fixedly mounted at the right end of a left movable connector, a right joint is fixedly mounted at the left end of a right movable connector, and the left movable connector and the right movable connector are sleeved with two semi-cylindrical shells; a plurality of sliding rods are evenly installed on the outer wall of each semi-cylindrical shell in a sliding mode, a protection plate is fixedly installed between the outer ends of the sliding rods located in the same column, a plurality of damping springs are fixedly installed between each protection plate and the outer wall of the corresponding semi-cylindrical shell, and each protection plate is provided with a compression shell arranged on the outer side of the corresponding damping spring in a sleeving mode. The two semi-cylindrical shells are connected through a locking device, and optical fibers are arranged in the left movable connector and the right movable connector respectively. When the connector is collided or extruded by external force, the damping spring and the compression shell can play a role in damping and buffering, so that the semicircular cylinder shell and components on the inner side are prevented from being damaged, and the service life of the connector is prolonged.

The utility model provides a branch trimmer for blueberry planting, and relates to the technical field of trimmers, the branch trimmer comprises a trimming mechanism, a rivet is rotatably connected between the interior of a first shear blade and the interior of a second shear blade, and hand-screwing bolts penetrate through the top of each connecting block and the bottom of each connecting block in a threaded mode. Four first magnetic buckles are fixedly embedded in the front surface of one connecting block, four second magnetic buckles are fixedly embedded in the surface, close to one connecting block, of the other connecting block, and placing grooves are formed in the opposite faces of the two connecting blocks. According to the branch trimmer, the trimming mechanism is arranged, so that when the branch trimmer is not used, the function of protecting the shear blades is achieved, the abrasion and aging speed of the shear blades is reduced, meanwhile, the situation that workers are punctured or cut is avoided, the using effect of the branch trimmer is improved, and the service life of the branch trimmer is prolonged. Meanwhile, the use efficiency of the branch trimmer is also improved.

The utility model discloses a CVT (continuously variable transmission) gearbox, which relates to the technical field of gearboxes and comprises a case, a first transmission wheel set is rotatably connected to one side of the interior of the case, and a second transmission wheel set is rotatably connected to the other side of the interior of the case. By the adoption of the structure, friction elements in the CVT gearbox can be guaranteed to be fully lubricated due to the automatic lubricating function of the gearbox, the requirement for manual lubrication is reduced, and therefore maintenance cost is reduced, normal work of parts in the CVT gearbox can be guaranteed due to the good automatic lubricating system, friction and abrasion are reduced, and the service life of the CVT gearbox is prolonged. According to the CVT gearbox, the self-lubricating function is achieved, so that the service life of parts is prolonged, it can be guaranteed that the CVT gearbox can keep a good lubricating state under various working conditions through the self-lubricating function, the reliability and stability of a system are improved, energy loss can be reduced through good lubrication, the transmission efficiency is improved, and therefore the CVT gearbox has better performance and fuel economy.

The utility model relates to an anti-aging automobile wire harness structure, which comprises a tubular insulation sleeve and a heat absorption sleeve, the insulation sleeve is sleeved on the periphery of the heat absorption sleeve, radiating fins are arranged on the peripheral wall of the insulation sleeve, a plurality of mutually independent compartments are arranged in the heat absorption sleeve, the inner walls of the compartments are provided with elastic coatings, and the elastic coatings are coated on the inner walls of the compartments. The compartment is provided with at least one fixing rod, the fixing rod is connected with a wire protecting sleeve, and the wire protecting sleeve is used for fixing a wire harness. The wiring harnesses are arranged at intervals through the mutually independent compartments, the problem that the wiring harnesses are adhered after being used for a long time is solved, meanwhile, the radiating fins and the heat absorption sleeves are arranged, the radiating effect of the wiring harnesses is improved, and the aging speed is reduced.

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.

The invention belongs to the technical field of power cables, and particularly relates to a wear-resistant, corrosion-resistant and anti-aging power cable which comprises a conductor and a conductor wrapping layer wrapping the surface of the conductor, and the surface of the conductor wrapping layer is connected with an insulating layer; the surface of the insulating layer is connected with a filling layer, the surface of the filling layer is connected with a shielding layer, the surface of the shielding layer is connected with a braid layer, the surface of the braid layer is connected with a sheath layer made of polyvinyl chloride, a protective plate is connected between the braid layer and the sheath layer, one side of the protective plate is connected with a communication plate, and the other side of the protective plate is connected with a cable. According to the power cable disclosed by the invention, the reinforcing layer which is staggered, woven and inserted into the net is coated in the filling layer, and the armor layer made of an aluminum alloy belt material is tightly coated on the surface of the cable conductor, so that the mechanical protection, corrosion resistance and tensile strength of the cable are improved; and under the condition of underground laying, the interlocking armoring can effectively resist external mechanical impact and abrasion and protect conductors in the cable from being damaged.

The present application relates to a kind of modular molten salt loading and storage system, including vertical support structure rack, normal temperature electrical equipment group and high temperature molten salt equipment group are physically separated by isolation fence and integrated in it;High temperature molten salt equipment group includes molten salt storage tank and molten salt pipeline connected with molten salt storage tank;Molten salt pipeline includes molten salt loading pipe, molten salt loading pipe has upward inclination relative to horizontal plane, to realize the self-weight backflow of molten salt;The middle section of molten salt loading pipe is connected with molten salt isolation valve, and molten salt isolation valve and normal temperature electrical equipment group are cooperated to realize the on-off control of molten salt loading pipe.The present application effectively avoids the thermal influence of high temperature environment on normal temperature electrical equipment by isolation fence, and the integrated design of overall modularization integrates the core equipment of molten salt loading and storage into one, discards the traditional dispersed equipment arrangement and installation mode, greatly simplifies the field construction process, reduces installation period, also makes the debugging, maintenance and overhaul of system more convenient.

The invention discloses a new energy electric vehicle charger with a circuit board capable of achieving rapid heat dissipation and a heat dissipation method, and relates to the field of electric vehicle chargers. The new energy electric vehicle charger comprises a charger body, an auxiliary assembly is arranged below the charger body, and a shielding assembly is arranged at the top end of the charger body; the bearing box is fixed to the bottom end of the charger body, the auxiliary assembly is used for bearing the charger body after the charger body is heated, external heat absorbed by the charger body is reduced, the shielding assembly comprises a storage box, and the storage box is fixed to the top end of the charger body. Therefore, heat of the asphalt or concrete ground cannot be transmitted to the charger main body, the working temperature of the charger main body is prevented from being increased due to high temperature of the asphalt or concrete ground in summer, the temperature of the charger main body cannot be rapidly increased due to an external heat source, and a circuit board in the charger main body can continuously work at high temperature. Sources for the charger body to absorb heat sources from the outside are reduced.

The invention relates to a composite film, 3D printing equipment and a preparation method of the composite film. The composite film comprises a transparent soft rubber layer and a barrier layer, a first bonding surface is formed on the lower surface of the soft rubber layer; the upper surface of the barrier layer is bonded with the first bonding surface, and the ultraviolet transmittance of the barrier layer is 50-90%. The invention further relates to 3D printing equipment and a preparation method of the composite film. According to the invention, the transmittance of ultraviolet rays penetrating through the composite film can be effectively controlled, the rapid curing of transparent resin in a short time can be effectively ensured, and the phenomena of atomization, yellowing, darkening and the like of the transparent resin can be effectively avoided, so that the transparency of a printed model is improved, and the final printed model is brighter.