11105results about How to "Guaranteed service life" patented technology

The invention relates to an asphalt warm-mix agent, comprising the following components in percentage by weight: 1.0-2.0% of alkylamine type cationic surfactant, 3.0-5.0% of amide type cationic surfactant, 5.0-10.0% of ammonium salt type cationic surfactant, 1.01.5% of calcium chloride, and water with residual percentage. The invention also relates to an asphalt mixture with the pavement applicability basically same as the traditional hot-mix asphalt mixture and the mixing and construction temperature lower than 20-50 DEG C; the purposes of energy saving, emission reduction, longer construction season, asphalt aging reduction and easier compaction are realized by reducing the mixing temperature; the indexes of the compaction degree, the water stability, the high-temperature performance, the low-temperature performance and the like of the pavement after paving the asphalt are not lower than those of hot-mix asphalt mixture at the same stage; and the service life of the asphalt pavement is efficiently guaranteed.

The invention relates to the field of flexible robots, and discloses a flexible charging robot based on rope driving. The flexible charging robot comprises a plurality of control ropes, a rope driving device, a flexible mechanical arm and an end executor; the control ropes can be driven by the rope driving device to telescope to drive the flexible mechanical arm to bend, and then the end executor installed at the tail end of the flexible mechanical arm is driven to move. According to the flexible charging robot based on rope driving, the charging robot is formed by combining the flexible mechanical arm with a charging head, can adapt to a garage environment which has a narrow working space and many obstacles by combining free bending motion of the flexible mechanical arm and is small in size, low in weight, flexible to move and low in control cost; meanwhile, a motor and a control circuit are far away from the end executor, therefore, the flexible charging robot is not liable to be affected by an outside environment, and the service life of the robot can be guaranteed.

The invention provides an EVA adhesive film without adding uvioresistant absorbent, which is prepared mainly by the raw materials according to the mass ratio as follows: ethylene-vinyl acetate copolymer, 100 parts; peroxide type crosslinking agent 0.1 to 10 parts, phenolic or phosphite type antioxidant 0.05 to 5 parts; and hindered amine light stabilizer, 0.01 to 5 parts. As the ultraviolet absorbent is not used, the EVA adhesive film obtained does not produce ultra-violet cut-off, leads the solar modules to receive UV district light energy, thereby having higher photoelectric conversion efficiency and excellent uvioresistant anti-aging property, and guaranteeing the service life of PV modules.

The invention discloses a water capsule for a three-layer cigarette and a preparation method of the water capsule. Water-soluble essence serves as an inner layer in the capsule, water serving as a solvent dilutes the essence, a middle layer is a sodium alginate complex to wrap the water and the essence, and a third layer is a waxy material to prevent the water from permeating in the capsule. An additive can endow the cigarette with special fragrance and taste or can lower content of harmful chemical components in smoke of the cigarette. The preparation method is simple and easy to implement in process, simple in equipment, capable of being directly used for cigarette processing and convenient for popularization and application. Used raw materials are extensive in source and low in cost.

The invention discloses a dry-hanging curtain wall for thermal insulation and decoration and an installation technique thereof, which essentially comprises a 'duplex F' shape installation hanging part; the radial frameworks and the zonal frameworks of the 'duplex F' shape installation hanging part are vertically arranged; a first layer of the radial frameworks with two or more than two layers is level to the zonal frameworks and the radial framework at the last layer is at a certain distance from the tail end of the zonal framework; the width and thickness of the radial frameworks at every layer can be equal or not. Insulation boards can be fixed in a point-typed installation and location method by the installation hanging part, thus overcoming the defects of the prior art, providing an installation technique of the thermal insulation and decoration curtain wall without installing the horizontal and the vertical joist, simplifying the installation procedure, saving the installation raw materials and cost and overcoming the defect that the rain leakage is easy to happen in the splicing seam of the insulation board adopting the traditional method.

The invention provides a lithium ion battery, which comprises a shell, partition plates located in the shell and a blocking mechanism, wherein the internal part of the shell is divided into a plurality of accommodating cavities by the partition plates, the accommodating cavities are internally provided with pole core groups, and each pole core group comprises at least one pole core; the pole coregroups are connected in series; at least one partition plate is provided with an electrolyte injection hole, and the electrolyte injection holes are used for communicating two adjacent accommodating cavities at two sides of the partition plate; the blocking mechanism is located in the shell, the blocking mechanism can enable the electrolyte injection hole to be in a preset state, and the preset state comprises an opening state and a closing state. According to the battery provided by the invention, the isolation and safety of the pole core groups can be ensured while electrolyte injection is facilitated. Meanwhile, the invention also provides a battery module, a battery pack and an automobile based on the battery provided by the invention.

The invention discloses a control method and a device of air-conditioning equipment and an air conditioning system. The control method comprises the following steps of: step S101, carrying out comparison on the water-outlet temperature of an evaporator and set object temperature, and determining the object load value of the compressor of the air-conditioning equipment; step S103, determining the variation of the load value of the air-conditioning equipment according to the object load value and the current load value of the compressor of the air-conditioning equipment; and step S105, adjusting the current load value of the compressor of the air-conditioning equipment according to the determined variation value. According to the invention, an object load is obtained through collecting the backwater temperature of an evaporator, the load of the compressor is adjusted according to the object load, and more accurate reference can be used for rationally adjusting a working mode of an air conditioner compressor; and the frequent adjustment of the compressor is avoided, the display of the system performance is more stable, and the service life of the compressor is guaranteed.

The invention relates to a one-step molding method of a titanium silicalite molecular sieve. The method comprises the following steps of crystallizing the titanium silicalite molecular sieve subjected to hydro-thermal synthesis; directly adding a matrix substance, a binder, a peptizing agent and a pore-enlarging agent without separating, washing and calcining; pulping; performing spray forming; and calcining the formed microspheres to remove a template agent to obtain large formed titanium silicalite molecular sieve particles which can be applied to ammoximation of cyclohexanone and epoxidation of olefin.

The invention discloses a hyperstrength atmospheric corrosion-tolerant steel, which comprises the following parts: 0.01-0.07% C, 0.25-0.50% Si, 1.60-2.00% Mn, not more than 0.018% P, not more than 0.008% S, 0.20-0.50% Cu, 0.40-0.75% Cr, 0.25-0.60% Ni, 0.03-0.08% Nb, 0.10-0.40% Mo, not more than 0.02 Ti, not more than 0.035% Als, not more than 0.003% B and Fe and impurity.

The invention provides a mold for processing a glass container and belongs to the technical field of mold. The mold includes a pair of half molds that are opposite to each other and have the same shape and a bottle mold cavity, a first heat-radiating groove and a second heat-radiating groove are alternatively opened on the outer wall of the two half molds. The mold has the advantages that the first and the second heat-radiating grooves on the outer wall of the two half molds are helpful for heat radiation of the half molds, which leads the temperature of the mold cavity to drop under the softening point rapidly and is favorable for improving the formation speed of the bottle in the mold cavity and the production speed of the bottle; the opening of the first heat-radiating groove and the second heat-radiating groove does not affect the strength of the half molds, thus being capable of ensuring the service life of the mold.

The invention provides an active and reactive coordination optimization control method of a distributed photovoltaic power distribution network. The method comprises steps that S1, based on the model predictive control method, according to the control targets and the control variables of different time scales, the distribution network system control process is divided into the long time scale optimization control and the short time scale optimization control, and a long time scale optimization control model and a short time scale optimization control model are established; S2, solving problems of the long time scale optimization control and the short time scale optimization control are converted into second-order cone programming problems; and S3, the long time scale optimization control model is based on the photovoltaic output and the load demand forecasting information, and uses the multi-step rolling optimization to solve the active and reactive power output of each controllable device, and the short time scale optimization control model is used to calculate the active and reactive power increment of each controllable device in a rolling manner with the solving result of the long time scale optimization control model as the reference value.

The invention discloses a method for sorting degree of self-discharging of lithium ion batteries. The method comprises the following steps: Step I, a plurality of batteries to be sorted are placed at the room temperature and respectively are discharged to a preset charge state, and the first test voltage of the batteries are respectively measured; Step II, preset time of the plurality of batteries is continuously set at a preset temperature, and the second test voltage of the plurality of batteries is respectively measured; and Step III, a value difference between the first test voltage and the second test voltage of each battery is compared with the range of a preset battery value difference, batteries within the preset battery value difference are sorted, and the sorted batteries are batteries with the same self-discharging performance. The method for sorting the degree of the self-discharging of the lithium ion battery can accurately and reliably sort the batteries with coincident self-discharging performance, so as to effectively match the batteries with the same self-discharging performance to form battery groups.

The invention discloses a charging control method for a low-voltage storage battery of an electric vehicle. The electric vehicle comprises a high-voltage power supply, the low-voltage storage battery and a power supply converter. The power supply converter is connected with the high-voltage power supply and the low-voltage storage battery. The charging control method comprises the following steps that current operating modes of the electric vehicle are detected by a whole vehicle controller of the electric vehicle, wherein the operating modes comprise the driving mode and the parking mode; if the electric vehicle is in the parking mode, the whole vehicle controller obtains electric quantity information of the low-voltage storage battery at preset time intervals after the high-voltage power supply stops high voltage output; and when the electric quantity of the low-voltage storage battery is lower than a charging threshold value lower limit, the whole vehicle controller controls start-up of the power supply converter to convert high voltage electricity into low voltage electricity in order to charge the low-voltage storage battery. The charging control method for the low-voltage storage battery can lower a power-lack risk which occurs in the low-voltage storage battery when the electric vehicle is in the parking mode. The invention further discloses the electric vehicle.

The invention provides a cerium-based composite oxide loaded noble metal catalyst for catalyzing alcohols and hydrocarbons to carry out hydrogen production by reforming, comprising two parts including noble metal and a carrier. The noble metal is one or combination of more than two of rhodium, platinum, palladium, iridium, ruthenium and gold; and the carrier is a cerium-based composite oxide carrier which takes a cerium-lanthanum solid solution as a representative. The catalyst can be applied in the form of a grain state or a powder state and also can be coated on a porous integral ceramic to be used as a monolithic catalyst. The invention further provides a manufacturing method of the catalyst, which comprises the following steps of preparing a cerium-based composite oxide and loading the noble metal. Some preferable implementation schemes of the catalyst utilize biological ethanol as a raw material and the prepared hydrogen can be considered to a renewable energy source; and the catalyst can be applied to the condition of a high space velocity.

The invention relates to the technical field of electric cars, in particular to an integrated water-cooled power battery box. The integrated water-cooled power battery box provided by the invention comprises a box cover, a box body and a temperature regulating power system, wherein the box body is made of an aluminum alloy material and is manufactured by an extrusion moulding technology; a circulating flow passage is formed in the wall of the box body; a circulating loop for a temperature regulating medium to flow circularly is arranged inside the wall of the box body; and the temperature regulating power system can drive the temperature regulating medium to circularly flow in the circulating loop. In such a way, a water cooling board and a battery box are designed in an integrated manner,a hollow aluminum alloy section is adopted to achieve lightweight design, mechanical properties such as strength and rigidity are met, the integrated water-cooled power battery box is simpler in structure, better in technical performance and smaller in occupied space, and the comprehensive cost can be reduced; the heat-dissipating, cooling and temperature-raising and heating functions can be achieved by using one set of temperature regulating power system, the integrated water-cooled power battery box is simpler in structure, more convenient and fast to use and smaller in occupied space, themanufacturing cost and the using cost can be reduced, and the heat-dissipating efficiency and the heating efficiency can be improved.

The embodiment of the invention discloses a bending retractable mechanism. The bending retractable mechanism comprises a supporting layer and a retractable layer, wherein a flexible display screen isarranged on the supporting layer, and the retractable layer is arranged on the side, away from the flexible display screen, of the supporting layer. If the flexible display screen is bent, the supporting layer and the retractable layer are bent in linkage, the retractable layer retracts, and the problem that when an existing flexible screen is bent, the performance and service life of the flexiblescreen can be influenced is solved.

The invention discloses a method for preparing a false tooth support through a 3D printing laser stereo-lithography technology. According to the method for preparing the false tooth support through the 3D printing laser stereo-lithography technology, the individual false tooth support most suitable for a patient is printed through the 3D printing laser stereo-lithography technology; the comfort level and the service life of the false tooth support are ensured by means of a finite element technology; the operation difficulty of a physician is lowered; the manufacturing cost is reduced; the manufacturing period is shortened. The surface of the false tooth support is processed through an anodizing and/or electrochemical deposition method so that the surface of the false tooth support can have more excellent synosteosis features and biology activity, osteoblast growth and surface calcification are facilitated, and the satisfaction of the patient is improved. The method is suitable for the field of medical devices.