51results about How to "Avoid rapid aging" patented technology

The invention provides a modified asphalt composition with a creeping characteristic, which comprises the following components in parts by weight: 15-60 parts of asphalt, 3-15 parts of modifying material, 5-30 parts of rubber powder, 15-60 parts of softening agent, 15-60 parts of inorganic powder, 3-25 parts of viscosity regulating agent, 0.3-1.5 parts of peptizing agent and 0.1-2 parts of coupling agent. A preparation method of the modified asphalt composition comprises the following steps of: adding the softening agent into a reaction kettle, heating to 170 to 200 DEG C, adding the modifying material, agitating, adding the asphalt and the rubber powder, and agitating for 1-2 h to obtain an intermediate raw material; levigating the intermediate raw material to 150-250 meshes, and putting back to the reaction kettle; and finally, adding the inorganic powder, the viscosity regulating agent, the peptizing agent and the coupling agent into the reaction kettle, agitating and dispersing uniformly. The modified asphalt composition has the characteristics of excellent water-proof performance, strong binding capability and continuous binding capability, large elongation percentage and good low-temperature flexibility.

The embodiment of the invention provides an AC (alternating current)-driven pixel circuit, a driving method and a display device, and relates to the field of display manufacturing. The rapid aging of an organic light emitting diode can be effectively avoided, and meanwhile, the influence of the internal resistance of the circuit on a light emitting current and the influence of the threshold voltage of a driving transistor on nonuniformity of panel display can be eliminated. The pixel circuit comprises a capacitor, a first voltage input unit, a second voltage input unit, a data signal input unit, a first light emitting unit, a second light emitting unit and a light emitting control unit. The AC-driven pixel circuit, the driving method and the display device are applied to display manufacturing.

The invention discloses an examination heating device for a crank case breather pipe, a breather pipe, a ventilating system and an automobile. The device comprises a housing, wherein an air outlet pipe which communicates with a crank case, a conductor which is connected to a PVC valve, an air inlet pipe which communicates with a main air inlet pipe of an engine, and an ECU joint which is connectedto an automobile ECU are arranged on the housing; the conductor is electrically connected to the ECU joint; the air outlet pipe communicates with the air inlet pipe which is manufactured through a heat transferring material; an examination circuit and a heating circuit which are connected in parallel are arranged in the housing and are both electrically connected to the automobile ECU through theECU joint; and the heating circuit is connected to the air inlet pipe. The device is simple in structure, and convenient to use; the crank case breather pipe is prevented from being iced during working in a cold area; parts of an existing heating device are prevented from quick aging under high temperature in summer; and meanwhile, the whole-process OBD examination can be performed while the automobile is in running.

The invention discloses a cooling device for a new energy generator. The cooling device comprises a motor, a liquid inlet pipe, a spiral cooling pipe and a liquid outlet pipe, wherein one end of the motor is connected with the liquid inlet pipe, the other end of the motor is connected with the spiral cooling pipe, the other end of the spiral cooling pipe is connected with the liquid outlet pipe, and a fan is installed outside the spiral cooling pipe. The cooling device for the new energy generator utilizes the spiral cooling pipe to improve radiating effect, extracts electrolyte solution in the new energy generator through forced circulation formed by driving of the motor, and cools the electrolyte solution in the air through the spiral cooling pipe. The cooling device for the new energy generator is low in power consumption, effectively reduces temperature of the electrolyte solution, and avoids rapid aging of a sealing device in the new energy generator caused by overhigh temperature.

The invention discloses a wear-resistant and corrosion-resistant cable for electric power, comprising a cable body, a plastic polyurethane layer is installed on the side of the cable body, and the plastic polyurethane layer and the cable body are bonded by super glue. The top of the plastic polyurethane layer is provided with a corrosive electrostatic net, and the corrosive electrostatic net and the plastic polyurethane layer are movably connected through the cable body. One side of the corrosive electrostatic net is installed with a hot-dip silver-plated layer. The anti-corrosion buffer zone is installed on the side of the anti-corrosion buffer zone, and the anti-corrosion buffer zone is embedded in the hot-dip silver layer, the top of the anti-corrosion buffer zone is installed with a steel strand, and one end of the steel strand is installed with an insulating sleeve , and the other end is provided with an insulated wire core. By being provided with a plastic polyurethane layer and an epoxy resin coating, the rapid aging of the cable can be prevented, the mechanical and electrical properties of the power cable can be maintained, the service life of the power cable can be maintained, and the cable can be guaranteed. electrical properties.

The invention relates to a novel vehicle charging device. The device comprises a power supply pile main body, a protruding edge is arranged at the upper right end of the power supply pile main body, arotating tank is arranged in the power supply pile main body, a through hole communicated with the rotating tank is formed in the power supply pile main body, and a rotating shaft is rotatably installed in the rotating tank; a wire spool is fixedly installed on the rotating shaft, a power supply wire winds around the wire spool, an upper sliding tank extending into the protruding edge is formed in the power supply pile main body, and a sliding plate is laterally and slidably installed in the upper sliding tank; the power supply pile main body is provided with a lower sliding tank which is located below the upper sliding tank and communicated with the upper sliding tank, a lower sliding block is laterally and slidably installed in the lower sliding tank, an upper sliding block is fixedly installed at the left end of the sliding plate, and the lower end of the upper sliding block stretches into the lower sliding tank; a connecting arm is fixedly connected between the lower end of the upper sliding block and the lower sliding block, a rotating motor is fixedly installed at the lower end of the upper sliding block, and a driving gear is installed on the rotating motor through power.

The invention discloses a high-purity sulfuric acid production method without a distillation procedure and a device of the high-purity sulfuric acid production method. Sulfur trioxide/sulfur dioxide gas mixture generated after primary conversion in common industrial sulfuric acid production process is delivered to a treatment column with comprehensive functions of catalytically oxidizing sulfur dioxide, washing, absorbing and filtering metal ions and solid particles and the like. In the treatment column, sulfur dioxide is converted into sulfur trioxide by the aid of catalytic liquid, solid particles and metal ions in the gas are retained by the catalytic conversion liquid, converted and purified gas enters a solid particle material filling layer, and residual sulfur dioxide, solid particles and metal ions are removed by further chemical and physical actions such as catalytic oxidation, adsorption, filtering and separation and the like. Acquired high-purity sulfur trioxide further enters an absorption column, and is absorbed by high-purity sulfuric acid in the absorption column and high-purity water which is supplemented continuously, and high-purity sulfuric acid products with quality indexes meeting GB-T625-1989 standards of guaranteed reagent or analytical reagent is generated. The high-purity sulfuric acid production method and the device thereof are applicable to implementation on the basis of the common industrial sulfuric acid production process.

The invention discloses a novel gasoline engine generator set protection device which comprises a base. A movement device is arranged on the bottom side of the base, two stand columns are symmetrically arranged on one side of the base, a cover plate is rotationally connected to one ends of the stand columns, a second installing groove is formed in the base, base plates are symmetrically connectedto the second installing groove, a motor set body is connected to one sides of the base plates, a water tank is further arranged in the base, grids are symmetrically connected to the two ends of the motor set body, one ends of the grids are connected to the base, and the other ends of the grids are connected with a water pipe. The novel gasoline engine generator set protection device is simple instructure and easy to operate; and through interaction of structures of a first rotating shaft, a baffle, a cam, a second rotating shaft, a spring rod, a driving motor, a first installing groove and the like, the radiating area can be improved, air cross ventilation is accelerated, water evaporates to absorb heat, the radiating effect is improved, and quick aging of equipment parts is avoided.

Provided is a welding device including a distribution box, the upper end of the distribution box is provided with a protruding plate, the distribution box is provided with a receiving groove and a wire hole communicated with the receiving groove, the receiving groove is rotationally provided with a rotary shaft, the rotary shaft is fixedly provided with a receiving rotary tray which is wound with a cable, a first slide groove prolonging into the protruding plate is arranged in the distribution box, a sliding plate is arranged in the first slide groove in a left-right sliding manner, a second slide groove arranged under the first slide groove and communicated with the first slide groove is arranged in the distribution box, a second sliding block is arranged in the second slide groove in a left-right sliding manner, the left end of the sliding plate is fixedly provided with a first sliding block, the lower end of the first sliding block extends into the second slide groove, a connecting rod is fixedly connected between the lower end of the first sliding block and the second sliding block, the lower end of the first sliding block is fixedly provided with a first driving machine, and the first driving machine is provided with a first toothed wheel.

The invention discloses a titanium alloy segmented vacuum rapid nitriding method and device, and belongs to a metal heat treatment method and device. The method comprises the following steps of placing a workpiece in a reaction tank with air exhausted, carrying out vacuum preheating treatment, heating to a nitriding temperature, and then performing nitriding according to a pressure alternating cycle, and then carrying out vacuum diffusion for certain time. The device comprises a heating system, a vacuum system and a gas supply system. The heating system is composed of a reaction tank (4) fixedin a furnace body (1), an electric heating element (2) located between the reaction tank and a combustion chamber, a thermocouple (3) extending into the combustion chamber,, and a furnace door (9) sealing a tank opening, the vacuum system is composed of a sucking pump (12) in communication with the reaction tank (4), and the gas supply system is composed of a nitrogen bottom (1) in communicationwith the reaction tank (4) through a gas inlet pipe (5). The method can accelerate a nitriding speed, promote diffusion of nitrogen into a matrix and form a gradient nitrided layer, and improve brittleness of a nitrogen layer. The method and device are a method and device for processing metal surfaces.

The invention discloses a rapid temperature-changeable test box which comprises a device main body, a cabinet door and a casing. The left side of cold-rolled steel is provided with heat-insulating cotton, the heat-insulating cotton is closely fitted to the cold-rolled steel, an air switch is arranged on the left side of the lower part of the interior of the casing, the air switch is fixedly connected with the casing, the bottom of the device main body is provided with a base, the base is fixedly connected with the device main body, a see-through window is arranged in the middle of the cabinetdoor, the see-through window is in embedded connection with the cabinet door, the see-through window is made of two layers of high-light-transmissive tempered glass, and the air in the middle of the two layers of glass plates is pumped away to form a vacuum environment, so that temperature propagation medium does not exist, for facilitating observing situation in the cabinet by a user, while not causing temperature change in the device main body. Because temperature propagation medium does not exist, no water mist occurs on the glass of the see-through window of a low temperature cabinet, which makes the observation of the user more convenient, is suitable for the use of the rapid temperature-changeable test box. The rapid temperature-changeable test box has broad application prospects inthe future.

An electric leakage prevention mechanical structure of an electric tool is arranged between a shell of the electric tool and a motor. The electric leakage prevention mechanical structure comprises a jacket unit arranged between the shell and the motor, and a connecting unit combining the jacket unit to the part between a stator and the shell. The jacket unit comprises a first jacket and a second jacket which isolate the stator and the shell along the axis. The first jacket comprises a first body, the second jacket comprises a second body, a plurality of first grooves extending in the axial direction are formed in the outer surface of the first body, a plurality of second grooves extending in the axial direction are formed in the outer surface of the second body, and a cooling fan is fixed to the back end of a rotor. The stator and the shell are isolated through the jackets, electric leakage caused when metal filling or oil drops in air enter the tool is avoided, the function of electric leakage prevention is provided, and fast cooling is achieved through the grooves in the surfaces of the jackets.

The invention discloses a preparation method of a composite polymer adhesive for a permeable pavement, which specifically comprises the following steps: S1, mixing a resin base material, an active diluent, hydroxyl-terminated nitrile rubber, styrenated phenol and an ultraviolet light absorber to prepare a first mixture; S2, stirring and mixing a modified amine curing agent, an accelerant and an auxiliary curing agent piperazine to prepare a second mixture; and S3, adding the first mixture and the second mixture into mixing and glue-making equipment for stirring, uniformly conducting mixing, and conducting discharging and storing to obtain the composite polymer adhesive. The used mixing and glue-making equipment comprises a bottom plate, a power mechanism, a stirring mechanism, a top cover and a discharging mechanism, the power mechanism is located on one side above the bottom plate, the stirring mechanism is located above the center of the bottom plate, the top cover is located above the stirring mechanism, and the discharging mechanism is located on the side, away from the power mechanism, below the stirring mechanism. According to the invention, the problems of poor comprehensive performance and easy aging and discoloration of the adhesive in the prior art are solved.