5211results about How to "Extended service life" patented technology

Disclosed is a wind and solar hybrid power system based on an ultra-capacitor battery hybrid system, which includes a DC/DC buck converter (20), an AC/DC converter (30), an ultra-capacitor assembly (40), a DC/AC converter (50), a battery assembly (60), a battery charge circuit (700), a photovoltaic array (70), a wind generator (80) and an oil engine/commercial power interface (90). The photovoltaic array (70) is connected with the ultra-capacitor assembly (40) through the DC/DC buck converter (20); the wind generator (80) and the oil engine/commercial power interface (90) are connected with the ultra-capacitor assembly (40) through the AC/DC converter (30); the ultra-capacitor assembly (40) charges the battery assembly (60) through the battery charge circuit (700); the ultra-capacitor assembly and the battery assembly provides a definite power buffering to the system so that to maintain a stable voltage of the power supply. The wind and solar hybrid power system of the invention can provides uninterrupted power to the telecommunication system and resident living in the undeveloped areas where the power distribution network can not reach.

The invention discloses a fracturing manifold quick connecting device. A first movable elbow, a linear pipe, a second movable elbow, a plug valve and a check valve are connected in sequence. A supportis fixedly connected with the second movable elbow. One end of an oil cylinder is connected with the linear pipe. The other end of the oil cylinder is connected with the support. The oil cylinder candrive the linear pipe to rotate around the second movable elbow. A control unit controls the oil cylinder through a hydraulic system, and accordingly, rotation of the linear pipe is controlled. The fracturing manifold quick connecting device has the beneficial effects that a one-way valve enables one-way flowing of fracturing fluid from fracturing equipment to a manifold package to be achieved, the situation that reflux of the fracturing fluid damages the fracturing equipment is avoided, the one-way valve can further gather fluctuation caused by a pressure difference to the position where thequick connecting device is connected with the manifold package, vibration of the whole quick connecting device is reduced, and the service life is prolonged; the plug valve achieves on-off of drainage of the single fracturing equipment, and the maintenance cost is lowered; and the hydraulic system achieves automatic adjustment of the quick connecting device, no manual uplifting or pressing is needed, the control unit enables remote control to be achieved, time and labor are saved, and the manual operation difficulty is lowered.

The related display micro browser page drift method for touch-screen mobile device comprises: the browser detects the action affair of screen moving, records and process the touch pen touching and leaving screen; if the pen moving in one hyperlink of current Web, it clicks the link; or else, it takes page drift process. This invention simplifies user operation, locates precisely, and can prolong the screen lifetime.

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 invention is suitable for memory field and provides a multi-layer flash-memory device, a solid hard disk and a truncation non-volatile memory system. The multi-layer flash-memory device comprises an unprocessed NAND flash-memory chip read by a non-volatile memory controller by a physical block address, wherein the non-volatile memory controller is arranged on a flash-memory module or on a system plate of the solid hard disk and changes the logic block address into physical block address and an intelligent memory office management device controls the data truncation and interlace between the channels of flash-memory modules at the high layer and the non-volatile memory controller controls the further interlace and remapping in the channels, therefore the life of the flash-memory device is prolonged.

The invention discloses a process for manufacturing alloy steel for a rail frog. The process comprises the following steps of: smelting, pouring, forging, and performing heat treatment. The rail frog manufactured by the alloy steel which is manufactured by the manufacturing process has properties such as tensile strength, low-temperature impact properties and the like which are much higher than those of high manganese steel, the service life of the rail frog can be greatly prolonged, and the rail frog is not required to be frequently replaced, so that the operating cost of a rail can be greatly reduced.

The invention discloses a foaming type electromagnetic wave absorption composite material and a preparation method thereof. The electromagnetic wave absorption composite material is prepared from 10 to 40 mass percent of an electromagnetic absorbent and 60 to 90 mass percent of a base material through a foaming process. Impedance matching between the base material and air is improved by uniform gaps formed by foaming, and a powder material with electromagnetic wave absorption function is uniformly diffused in the foaming process of the base and adsorbed on foam hole walls to form a dielectric loss and magnetic hysteresis loss electromagnetic wave absorption network, so that the electromagnetic waves entering the base are converted into heat energy and attenuated through motion such as reflection, refraction, vortex, resonance and the like. The foaming type electromagnetic wave absorption composite material is widely applied to the field of electromagnetic radiation, electromagnetic interference and electromagnetic information leakage prevention, suppression and absorption treatment.

The invention provides a method for adjusting the brightness of the backlight and the contrast of an LCD. The method comprises the steps as follows: 1. calculating the brightness distribution ratio of the pixels of an image; 2. calculating the parameters of the contrast coefficient and the brightness distribution uniformity according to the brightness distribution ratio, and calculating the backlight coefficient according to the contrast coefficient and the brightness distribution uniformity; and 3. controlling the backlight of the LCD display according to the backlight control ratio and calculating the contrast of images according to the contrast ratio. By adopting the technical proposal provided by the invention, a backlight strip lamp does not keep the constant brightness; instead, the brightness of the strip lamp varies dynamically with the brightness of the image displayed. The power consumption of the strip lamp is reduced more efficiently, and the service life of the strip lamp is improved. In addition, the image contrast is not a constant which is adjusted artificially; instead, the image contrast can be adjusted dynamically with the brightness of the images so as to show the details of the images better, and improve the hierarchy of the images.

The invention discloses a pixel circuit and a driving method thereof, a display panel including the pixel circuit. The pixel circuit is composed of a light emitting module, a first driving module and a second driving module. The first driving module drives the light emitting module to emit light at a first period under the control of a first scanning signal from a first scanning control terminal; and the second driving module drives the light emitting module to emit light at a second period under the control of a second scanning signal from a second scanning control terminal, wherein the first period and the second period are not overlapped. Because the two driving modules drive the light emitting module alternately to emit light, one driving module enters a recovery stage when the other driving module drives the light emitting module to emit light, so that threshold voltage drifting of driving transistors of all driving modules can be reduced; and service lives of f driving transistors of all driving modules can be prolonged.

The invention discloses an electronic cigarette atomizer which is characterized by including a cigarette holder with a smoking hole and an atomizer body detachably connected with the cigarette holder, wherein the cigarette holder includes a cigarette holder body and a sealing part; the cigarette holder body is in threaded connection with the sealing part; the atomizer body includes an atomizing bin and a fixing base; the atomizing bin is in threaded connection with the fixing base. According to the electronic cigarette atomizer provided by the invention, air inlets are formed in the top of the electronic cigarette atomizer, which utilizes the theory that air inflows through the top of the atomizer to form air recirculation, and inner pipes inside the atomizer are connected with an atomizing core at the bottom of the atomizer in a sealing manner, so that liquid leakage of an electronic cigarette is avoided; a liquid guide structure is adopted for sucking nicotine liquid automatically from a liquid storage chamber, so that a large amount of external air enters an atomizing chamber, sufficient air is provided for the atomization of nicotine liquid, the nicotine liquid can be fully atomized to ensure that a large amount of smoke is generated, the dry burning problem caused by insufficient supply of nicotine liquid is avoided, and the service life of the atomizer is prolonged.

The invention discloses a centrifugal high-carbon, high-boron and high-speed steel composite roller shell and belongs to the technical field of casting. An outer layer of the roller shell is made of a high-carbon, high-boron and high-speed steel material; an inner layer of the roller shell is made of graphitic steel; good metallurgical bonding is achieved by centrifugal casting; an appropriate heat treatment process is adopted for property improvement on the high-carbon, high-boron and high-speed steel composite roller shell; a high-carbon, high-boron and high-speed steel combined roller is fabricated by a hot charging method; the high-carbon, high-boron and high-speed steel composite roller shell can be replaced after being abraded; and the cyclic utilization of a roller shaft is achieved. Compared with a high-speed steel roller by centrifugal casting, the material utilization ratio is increased by more than 30%, and the service life is prolonged by more than 20%.

The invention provides a pixel compensating circuit which comprises a first switch, a second switch, a third switch, a fourth switch, a fifth switch and an organic light emitting diode. A first end of the first switch is connected with a data signal. A control end of the switch is connected with a first control signal. A first end of the second switch is connected with a first voltage. A control end of the second switch is connected with a second control signal. A control end of the third switch is connected with a second end of the first switch. A first capacitance is arranged between a first end and the control end of the third switch. A first end of the fourth switch is connected with the second end of the first switch. A control end of the fourth switch is connected with a third control signal. A control end of the fifth switch is connected with a fourth control signal. An anode of the organic light emitting diode is connected with a second end of the fifth switch. A cathode of the organic light emitting diode is connected with a second voltage. Adopting the pixel compensating circuit, service life of the organic light emitting diode (OLED) is prolonged due to the fact that the fifth switch is in an open state only in the lighting period. In addition, electric current which flows through the OLED is only in relation to reference voltage and data voltage and influences such as difference of processing and fall of the electric current are overcome.

The invention provides a technique for treating and recycling lead-zinc ore dressing wastewater and aims to solve the problems of influence on the ore dressing index due to the recycling of the ore dressing wastewater for production and environmental pollution caused by drainage. The novel technique for treating and recycling the lead-zinc sulfide ore dressing wastewater comprises the steps of: adjusting the pH value of the total wastewater of an ore dressing plant; adding ferrous sulfate and flocculant into the wastewater to perform oxidation-coagulation treatment; and oxidizing the treated water by using chlorine dioxide, and performing catalytic oxidation and adsorption by using an active carbon bed, so that the treated water reaches the relevant discharge standard of China; and totally recycling the treated water by adopting the combined application of potential-controlled flotation and an environmental-protection collector. Compared with the field process technique, the method saves the cyanide flotation process and improves the recovery rates of lead, zinc and gold. The method provides whole technical integration of the combined application technique of the potential-controlled flotation and the environmental-protection collector and the wastewater treatment technique for the treatment and recycling of the lead-zinc ore dressing wastewater, and realizes recycling of the ore dressing wastewater.

The invention relates to nm functional material self-cleaning suit face fabric that adopts low temperature plasma surface process technology to take dipping or spraying process with halothane residue triethoxy silicane compound containing nm level solid particle to pure wool or wool terylene blending face fabric to make the face fabric has super water discharging and oil discharging feature to achieve the purpose of self-cleaning. The invention could make the face fabric more handsome and prolong useful life, and it also has great social and economic benefits in environment and energy saving aspects.

The invention discloses a waterproof efficient intumescent fire retardant coating. The waterproof efficient intumescent fire retardant coating is prepared from, by mass, 40-75 parts of inrumescent flame retardant, 8-15 parts of film formers, 7-10 parts of pigment, 9-15 of fillers, 0-5 parts of adjuvant, and 10-30 parts of water. After being formed into film, the waterproof efficient intumescent fire retardant coating is better in water resistance, long in service life, solid in densification of formed carbon layer, good in heat insulation effect, and long in fireproofing time.

The invention relates supplies a method to realize zero leakage and non-contact for mechanism sealing. It opens microcosmic lubricating rooms and macrocosm pump feeding slots on the active circle and the static circle of the mechanism sealing. The combining of the two shapes make the liquid dynamical effect and upstream pump feeding effect more signalization. And the zero leakage and non-contact for mechanism sealing are realized. The method is suited for any liquid medium mechanism sealing, especially high parameter mechanism sealing.

The invention provides a graphene heating film and a preparation method thereof. The graphene heating film is characterized by comprising a first insulated waterproof layer, an electrode layer, a heating film layer and a second insulated waterproof layer, wherein the first insulated waterproof layer, the electrode layer, the heating film layer and the second insulated waterproof layer are pasted into an integral structure; and the heating film layer is a graphene film. The preparation method of the graphene heating film comprises the following steps: (1) fabricating the graphene film; (2) covering the second insulated waterproof layer with a bonding adhesive; (3) bonding the second insulated waterproof layer and the graphene film into a whole; (4) removing a metal substrate on the graphene film; (5) pasting the electrode layer on the graphene film; (6) pasting the first insulated waterproof layer on the electrode layer; and (7) connecting the electrode layer and a lead wire. According to the graphene heating film and the preparation method thereof provided by the invention, the heating efficiency is high; large-area transferring of the graphene film can be achieved; the transfer time is short; and the transfer rate is high.

The invention relates to an amorphous refractory; especially to an erosion resistance concast intermedium finish-go-home work sark. It uses magnetite as main raw material and the light-burned magnesium oxide, boric acid, silicon powder and aluminum powder as accelerator and the resin, starch gum and so on as insurance contract. It adds one or some kinds of chrome green, compound chrome-magnesite brick, magnesite-chrome brick. The raw material is that (wt%): the magnesite 5-1mm is 10-35%, 1-0.2mm is 10-35%, <=0.074mm is 20-40%, <=0.088mm admixture is 5-20%, <=0.088mm accelerator is 1-5%, starch gum is 5-12%. Each raw material has a certain quality technology index.

The invention relates to a system for online monitoring faults of an electric power line. The system comprises a remote terminal device and a monitoring master station, wherein the remote terminal device comprises a fault indicator and a line fault data collector which are in communication connection by an RF (radio frequency) network, the monitoring master station comprises a handheld mobile terminal and a microprocessor control terminal, the line fault data collector communicates with the data receivers of the handheld mobile terminal and the microprocessor control terminal through a GSM/GPRS (global system for mobile/general packet radio service) communication module by a mobile communication network, and the upper computer of the microprocessor control terminal communicates with the handheld mobile terminal through a GSM/GPRS generating and receiving data module of the data receiver by the mobile communication network. According to the system, intelligent monitoring is realized; in the manners of on-site indication and remote fault alarm, the fault types and fault points are confirmed, the faults are located accurately and timely; as two terminals are adopted, the faults are alarmed timely, reasonable dispatch is realized, the fault elimination efficiency is improved, and the power distribution reliability is improved.

The invention relates to a method for manufacturing an embedded multi-layer composite thin-film cutting temperature sensor, in particular to a method for measuring the transient cutting temperature of a cutter point during cutting and manufacturing, and belongs to the temperature sensor field. SiO2 insulating film deposition on a cutter body is carried out for a plurality of times, so as to form a multi-layer composite thin film; then a thin-film thermocouple is formed through sputtering deposition of a NiCr thin-film electrode and a NiSi thin-film electrode; and then the prepared thin-film thermocouple is embedded into a protective layer. The radio-frequency reactive unbalanced magnetron sputtering technology is enhanced by adopting a microwave ECR plasma; the prepared thin-film thermocouple is embedded into the protective layer, so as to be prepared into an embedded multi-layer composite thin-film temperature measurement sensor integrating the cutting and the temperature measurement. The sensor has the advantages of long service life and cost-effectiveness. The thermocouple has the advantages of minimum size of a hot end and short response time, thereby achieving the submicrosecond level. A compensation conducting wire is hidden in a cutter head, so that the anti-interference capability is strong. Therefore, the cutting temperature of the cutter point can be measured rapidly, accurately and stably by the method.

A high-quality regenerated rubber and its production are disclosed. It improves composition and proportion, it adopts high-temperature and pressure desulfurizing method in short time and refining process is added. The tensile strength and breaking extensibility can be increased by 30-60%; it can substitute natural rubber or synthetic rubber and be used as various tyre and raw material of rubber products. It's simple, efficient and smokeless, has excellent abrasive performance, long life, less noise and no refused water discharge.

This invention provides a cell package with a temperature regulation function including a package shell, in which, a phase change material of 0-60deg. C is filled between the cell set and the package and contacted with the cell set directly, which can prolong the life time of cells and reduce the cost.

The invention discloses a mixed-type high-voltage DC breaker and an implementation method thereof. The DC breaker is connected in a DC system in series and concretely comprises the following branches connected in parallel: an on-state branch, a pre-transfer branch, a re-transfer branch and an energy-dissipating branch. The on-state branch comprises at least one quick mechanical switch and a first current transfer module including a full control device, and the quick mechanical switch and the first current transfer module are connected in series. The pre-transfer branch comprises the following parts connected in series: a first inductor, a first semi-control device thyristor serial connection module, and a second current transfer module including a full control device. The re-transfer branch comprises the following parts connected in series: a second inductor, a second semi-control device thyristor serial connection module, and a capacitor. The energy-dissipating branch is formed by a non-linear resistor. The implementation method comprises corresponding operations when the DC system runs normally or when a short circuit fault happens to the DC system. With the prerequisites including a fast enough breaking speed and low losses ensured, the DC breaker employs the semi-control device thyristors, so that the capability of breaking current is good, the voltage-withstanding level is high, and the cost is greatly reduced.

The invention provides a router. The router comprises a housing and a circuit board, wherein the circuit board is located in the housing and fixedly connected with the housing. The router is characterized in that ventilation holes are formed in the side wall of the housing; a fan is arranged on the inner side of the side wall; the fan is fixedly connected with the inner side wall of the housing. The router has the beneficial effects that the added ventilation holes and the fan can exhaust hot air in the housing in time to cool the circuit board, keep the circuit board at proper working temperature, and prolong the service life of the circuit board; air holes are added under the circuit board, and thus the air can be introduced in the housing through the air holes, which is convenient to cool the circuit board.

The invention discloses a charge method of a lead-acid storage battery. Different charge voltage and current are controlled in six phases, wherein in the first phase of pre-charge, the battery is activated with low current; in the second phase of constant current, the battery is charged with high current; in the third phase of constant voltage, the voltage is maintained while the current is limited; in the fourth phase of trickle charge, low-current trickle charge is realized; the fifth phase realizes secondary constant-voltage charge; in the sixth phase of float charge, float charge with low current is realized. According to the method, a phase of secondary constant-voltage charge is added based on the existing five-stage comprehensive charge method, and the lead sulfide of the cathode of the lead-acid storage battery can be sufficiently decomposed in the phase, thus the lead-acid storage battery can be fully charged and is not damaged by the sulfation thereof due to insufficient charge; meanwhile, overcharge is avoided for sure, the service life of the battery is prolonged, and the charge time is shortened.

The invention discloses a lignin-crosslinking modified polymer separation membrane and an application thereof. Lignin is taken as a modifier and pre-dispersed in a membrane casting solution together with a crosslinking agent, lignin crosslinking is prompted through heating in a membrane forming process with a phase inversion method and an aftertreatment process, so that the crosslinked lignin exists stably in a substrate of the polymer separation membrane, and the long-acting hydrophilicity and lasting anti-fouling performance of the polymer separation membrane are realized. The lignin-crosslinking modified polymer separation membrane has low cost of raw materials, long service life and excellent anti-fouling performance; a preparation method has the advantages of simple process, easiness in operation, high universality and mild condition and is suitable for preparing a hydrophilic micro-filtration membrane, an ultrafiltration membrane, a nanofiltration membrane, a forward osmosis membrane, a reverse osmosis membrane, a pressure-retarded osmosis membrane and the like.

The invention discloses a microbiological bacterium for processing waste water in oil refining, its preparing process and use. The bacterium comprises Rhodococcus, Microbacterium spp, bacillus, Candida and Brachybacterium by the ratio of 0-10:0-10:0-10:0-10:0-10:0-10. The bacterium can be activated for treating waste water.

The invention relates to a shredding device for abandoned medicine packaging boxes, in particular to a quick shredding device for medical abandoned medicine packaging boxes. The technical aim to be achieved is to provide the quick shredding device which is simple in structure, easy and convenient to operate and high in practicability and is used for the medical abandoned medicine packaging boxes. In order to achieve the technical aim, the quick shredding device for the medical abandoned medicine packaging boxes is provided and comprises a bottom plate, a left frame, a first slide rail, a first slide block, a shredding frame, a rack, a second slide rail, a guide plate, a second slide block, a right frame, a fixed plate, a misshapen gear and the like. The left frame, the first slide rail, the second slide rail and the right frame are sequentially arranged on the top of the bottom plate from left to right. The guide plate is arranged on the middle portion of the right side of the left frame. A guide hole is formed in the right portion of the guide plate. By means of the shredding device, the effect of the high practicability is achieved, the structure is simple, the manufacturing cost of the device is low, meanwhile, the device is easy and convenient to operate, and workers can rapidly learn to operate the shredding device.

The invention discloses a preparation method of corundum-mullite composite ceramic push plate by using mullite particles, aluminium oxide particles, aluminium oxide micropowder, mullite micropowder and ultra-fine silicon micronized quartz powder as raw material, using alumina silica gel as bonding agent, and introducing aluminum fluoride mineralization agent.

The invention discloses a method for preparing an abrasion-resistant super-hydrophobic ceramic coating through a thermal spraying technology and a product. The method includes the following steps that (1) a substrate is subjected to surface roughening treatment; (2) a micro-patterned ceramic coating is prepared on the surface of the substrate through a plasma spraying technology; and (3) a low surface energy substance layer is sprayed to the obtained ceramic coating through a liquid material flame spraying technology, and the super-hydrophobic abrasion-resistant coating can be obtained. The material obtained through the preparing method has both the advantages of abrasion resistance and super-hydrophobic property, the tribological property of the super-hydrophobic coating is greatly improved, the static contact angle of the obtained coating can reach 150-180 degrees, and the rolling angle of the coating is smaller than 5 degrees. The method can prepare the abrasion-resistant super-hydrophobic coating on the basis of the surfaces of different substrates and is wide in the application range.