488results about How to "No need to replace" patented technology

The invention provides a novel indoor air purification device. Water or an aqueous solution is used for absorbing various types of gas and granular pollution components in air, so that the aim of purifying the air is fulfilled; a Venturi throat opening is formed in an air channel; when the gas passes through the throat opening, the speed of gas flow is obviously increased, and high shearing force is formed in the gas flow, so that liquid entering the Venturi throat opening is sheared into extremely thin fog drops; after leaving the Venturi throat opening, the gas flow is slowed down and forms strong turbulent fluctuation, so that particles in the air and the extremely thin water drops can be in full contact and collision, and the particles in the air are transferred into liquid; the water drops in a turbulent fluctuation region also collide, and the water drops are re-enlarged, so that the water drops can be removed from a gas-liquid separation chamber, and the gas pollution components in the air are dissolved in the liquid so as to be absorbed and removed.

The invention provides an air purifier and a high-voltage power source control method thereof. Information is transmitted to a high voltage generation circuit through a control circuit, and the high voltage value output through the high voltage generation circuit can be automatically adjusted; the high voltage generation circuit is capable of generating voltage greater than 10000 volt; the high voltage generation circuit of the air purifier is connected with a purification part; the high voltage end of the high voltage generation circuit is connected with a transmission wire electrode; the low voltage end of the high voltage generation circuit is connected with a receiving plate electrode; the transmission wire electrode is in parallel to the receiving plate electrode and a strong electric field is formed between the transmission wire electrode and the receiving plate electrode. As the high voltage value output through the high voltage generation circuit can be automatically adjusted, the amount of the clean air purified through the purification part is adjusted and the problems of inconsistent sterilization and dust collection effect requirement in various environments and high voltage ignition of the air purifier are solved; as the air purifier has a high voltage output and adopts an ionization method to collect dust and sterilize, no filter screen needs to be additionally arranged and an air purifier adopting the original filter purification method is completely replaced.

The invention refers to a kind of minimal electric generator, which is mainly made up of a pair of MEMS variable capacitances, an electret, and the processing circuit. The MEMS variable capacitance is made up of a moving polar plate and two fixed polar plates. The moving polar plate is made up of four folded beams, a weight block, and the two groups of fork on the block. The fixed polar plate is made up of a group of forks. The two groups of forks on the moving polar plate and the forks on the two fixed polar plate form the variable capacitance. There sets a leading out electrode on the two fixed polar plates. The above mentioned electrode is connected to the processing circuit through the wire. The invention has a high integrity, no the change of the battery charging or fuel, has no emission, the lifespan is long, and the volume is small. it can be used as each kind of micro energy consumption sensor and executer, especially the plated device, distributed system in vibration environment.

The invention relates to a supercapacitor based inductive energy-extracting power supply device of a high-voltage measurement system. The inductive energy-extracting power supply device comprises a current transformer, a rectifying and filtering circuit, a DC / DC (direct current) module, a lithium battery, a power management module and supercapacitors. The current transformer extracts energy from a high-voltage cable inductively, and outputs stable voltage via the rectifying and filtering circuit and then via the DC / DC module. The power management unit comprises a supercapacitor charging control circuit and a lithium battery charging control circuit, the DC / DC module charges the supercapacitors through the supercapacitor charging control circuit, the supercapacitor supplies power to a load, meanwhile the DC / DC module charges the lithium battery through the lithium battery charging circuit, and the lithium battery supplies power to the load. The supercapacitor is adopted as an energy storing device, and the problem that a power supply device used for an existing on-line ring main unit monitoring system is few in recycling times, large in maintenance amount and large in volume, power cut is needed for modification of an existing ring main unit and the like are solved.

The invention discloses a novel photocatalytic air purifier for air conditioning. The novel photocatalytic air purifier for the air conditioning comprises a case body and a case cover; the two ends of the case cover are provided with an air inlet and an air outlet; a position of the lower portion inside the case body, which is close to the air inlet, is provided with a first filtering screen; a second filtering screen is also arranged inside the case body in an insertion mode; ultraviolet sterilization lamp tubes are arranged inside the case body; reflectors are arranged inside the case body; and an exhaust fan is arranged on the rear side of the second filtering screen. Compared with the prior art, the novel photocatalytic air purifier for the air conditioning has the advantages of being capable of directly killing batteries and virus, efficiently degrading or decomposing various organic matters and removing various abnormal smells in the air due to the photocatalysis principle, being free of generation of secondary pollution and achieving purification of the indoor air.

The invention relates to a double-level dynamic film filtering method used for recycling waste water generated by printing and dyeing process. The method includes the following steps: (1) the waste water is filled into an aeration biology filtering pool for biodegradation; (2) a first level filtering is carried out in a draining groove of the aeration biology filtering pool; (3) the water drained from the aeration biology filtering pool is filled into an intermediate pool containing dynamic film suspended granules; (4) the granules are settled onto the inner wall of a ceramic film tube through a interlacing filter method to form a second level dynamic film filtering; (5) when the dynamic film thickens and the jam to film holes becomes serious and a flux reduces greatly, a backwashing is carried out for the film tube. The invention has convenient operation and maintenance. When the pollution to the film of the dynamic film filtering reaches a certain degree, the flux of the film can be restored through hydraulic backwashing, with no need of replacing base material of films.

The invention provides a high-adaptability digging and anchoring integrated machine with a dual-mode anchor drilling system, and belongs to the technical field of underground coal mining equipment. The high-adaptability digging and anchoring integrated machine comprises a frame main body, a cutting system, a conveying system, a dust removing system, a multifunctional temporary supporting system, the dry-wet dual-mode anchor drilling system, an automatic lubricating system, a water-cooling spraying system, a hydraulic system and an electric control system, wherein a traveling mechanism adopts awide crawler design, so that the adaptability of the digging and anchoring integrated machine to a muddy bottom plate is improved; and the dry-wet dual-mode anchor drilling system has two functions of dry dust removal and wet dust removal, and real-time switching selection is carried out according to the geological conditions of the roadway bottom plate without replacing a drill box. By means ofthe high-adaptability digging and anchoring integrated machine, the problems of muddy of the bottom plate, poor stability of a top side wall and low tunneling efficiency in the rapid coal roadway tunneling under the complex geological conditions are solved; the integrated parallel operation of tunneling, anchor protection, transportation, dust removal and the like of a roadway tunneling working surface is realized; and the efficiency and safety of coal mining and transportation are improved.

The invention belongs to the bridge technical field and relates to a deck type open shoulder arch bridge. The deck type open shoulder arch bridge comprises a main arch ring 1, upper spandrel arches 2, a bearing platform 3 and a pile foundation 4, wherein the upper spandrel arches 2 are arranged on both sides of the main arch ring 1, and arch feet of the main arch ring 1 are arranged in the bearing platform 3. The deck type open shoulder arch bridge further comprises a plurality of prestressed concrete pull-pressing rods 5. A prestressed wire 6 penetrates through each prestressed concrete pull-pressing rod 5, and two ends of the prestressed wire 6 are respectively anchored in the bearing platform 3 which is on the same side of the prestressed wire 6. The main arch ring 1, the pile foundation 4 and the prestressed concrete pull-pressing rods 5 are connected to form a whole through the bearing platform 3. Meanwhile, the invention provides a constructing method of the deck type open shoulder arch bridge. Prestressed steel beams in the prestressed concrete pull-pressing rods 5 can be once tensioned in place in constructing process, and no construction passageway is need to leave to conduct tension step-by-step.

The invention discloses a novel electrolysis system applicable to a lithium titanate battery. The novel electrolysis system comprises electrolyte and a solvent, wherein the solvent is a mixed solvent of an ether solvent and an carbonic ester solvent comprising cyclic carbonate and the mass ratio of the ether solvent to the carbonic ester solvent is (1-x):x, wherein x is larger than 0 and less than or equal to 0.9. The electrolysis system provided by the invention well accords with an existing lithium titanate battery, has no need of replacing a film, an anode material and a shell, can effectively inhibit the flatulence phenomenon of the lithium titanate battery, and has a wide application prospect in the fields of power batteries and energy storage batteries.

The invention relates to an LED work lamp for engineering trucks, which comprises a lamp holder (1). A radiator (1.1) is disposed at the back of the lamp holder (1), the front lateral wall of the lamp holder (1) is provided with a step face (1.2), an aluminum substrate (2) is fastened to the front of the lamp holder (1), thermally conductive adhesive is adhered between the aluminum substrate (2) and the lamp holder (1), LEDs (2) are disposed on the aluminum substrate (2), a reflecting plate (4) further covers the aluminum substrate (2) and is provided with through holes (4.1) corresponding to the LEDs (3), the reflecting plate (4) is provided with round conical reflecting cavities (4.2) at the through holes (4.1), a lens (5) is disposed in each reflecting cavity (4.2), and a lamp shade (6) covers the aluminum substrate (2). The LED work lamp for engineering trucks is long in service life, maintenance-free, energy-saving and environment-friendly.

The invention discloses an intelligent entrance guard system and an entrance guard control method which are suitable for most intelligent mobile phones and are high in response speed and relatively low in cost, and adopt intelligent mobile phones to replace entrance guard cards. Compared with the conventional intelligent entrance guard system, the intelligent entrance guard system has the advantages that a wireless radio frequency card reader is only required to be replaced by an optical card reader, and the modification cost is low. When the intelligent mobile phone is in optical communication with the optical card reader, a mobile phone screen completely covers the surface of the optical card reader, and the leakage of visible light is avoided; and therefore, the safety is relatively high, and the illegal copying is difficult.

The invention discloses a drying agent for an mine underground electric apparatus and a preparation method of the drying agent, belonging to the field of drying agent, wherein macromolecule water absorbent, compound of silicon or calcium and alkali halide or modified starch are mixed so as to prepare the powdery draying agent according to part by weight; the macromolecule water absorbent is 35-70 parts; the compound of silicon or calcium is 25-55 parts; the alkali halide or a mixture of the alkali halide and the modified starch is 10-15 parts; the grain size of the macromolecule water absorbent is 0.20-0.40mm; and the drying agent is powdery. According to the invention, raw material is wide in source and is purchased easily on the market; the drying agent is used for high / low-voltage power supply appliances worked on a mine underground high-humidity condition (RH=80-100%); the dry powder resists 6000V voltage or does not be broken down under voltage of 3000V; when moisture rate reaches to 1g / g, the dry powder resists 2500V voltage or does not be broken down under voltage of 1200V.

The invention relates to a biochemical oxygen demand BOD online measuring instrument and a detection method thereof. The sewage pump, dilution water pump, air pump and buffer pump are connected to the aeration tank, the aeration tank is connected to the reactor, the reactor is connected to the controller, the connecting pipe and the connecting wire are equipped with dissolved oxygen electrodes, and the controller is connected to the sewage pump, dilution water pump. When the sewage to be tested passes through the sewage pump, the dilution water passes through the dilution water pump, and the air is pumped to the aeration tank through the air pump to aerate and reach dissolved oxygen saturation, after passing through the porous ceramic of the reactor, measure the change of dissolved oxygen concentration before and after passing through the porous ceramic material . The dissolved oxygen concentration of the effluent sewage after the reaction is continuously monitored by the dissolved oxygen sensor. The controller controls the input flow rate of the sample to keep the change of the dissolved oxygen concentration constant, and calculates the BOD value according to the flow rate of the sample to be tested under the condition that the dissolved oxygen concentration reaches the same constant value after the reaction and the input flow rate of the standard sample. The measurement process of the present invention is fully automated, can monitor continuously in real time, and display the dynamic BOD value of the water body at any time.

The invention relates to the field of secondary batteries, in particular to a diaphragm, a method for preparing the diaphragm and a secondary battery comprising the diaphragm. The diaphragm comprises a base material and a modification layer arranged on the surface of the base material, wherein the modification layer contains amphiphilic polymers which are at least one of polyvinyl butyral, amphiphilic segmented copolymer and polyolefin with a functional end group, and the functional end group at least contains a hydrophilic group. The diaphragm has high electrolyte loving property and water loving property, so that the diffusion rate of electrolyte in a prepared lithium ion battery is high, infiltration time is shortened, and the charge-discharge rate of the battery is increased; besides, the standing time of a naked battery cell after injection can be shortened, and then efficiency is improved and cost is reduced.

The invention discloses a method for monitoring the concentration of micro-particle in air by combining a dielectrophoresis force principle and a quartz crystal microbalance technology. The method comprises the following steps: quantitatively conveying the air into an electrolyte solution so that micro-particles in the air are dispersed in the electrolyte solution; measuring the mass of the micro-particles, which are dispersed in the electrolyte solution and in a certain radius range, by utilizing dielectrophoresis force collection and deposition through a quartz crystal microbalance; and calculating and processing to obtain the concentration of the micro-particles, in the certain radius range, in the air. The invention further discloses a system designed based on the method, and the instantaneity and the complete automation of the monitoring of the micro-particles in the air are realized. The system comprises an air sampling part, a detection part, a data processing part and a manipulation part, wherein the air sampling part is used for collecting the air and measuring the sampling volume; the detection part is used for separating and measuring the mass of the micro-particles in different radius ranges; the data processing part is used for collecting data and finishing the concentration calculation; and the manipulation part is used for driving and controlling all the parts of the system to operate.

The invention provides a superhydrophobic fibrofelt and a preparation method thereof. The preparation method comprises the following steps: ultrasonically cleaning the fibrofelt in acetone, absolute ethanol and deionized water successively, and then drying the fibrofelt; adding room-temperature-cured fluorocarbon resin (FEVE) and two-component rigid polyurethane resin (SRP-FC) into an organic solvent, and carrying out uniform mixing under stirring so as to form a stable resin solution; directly adding hydrophobic fumed silica nanoparticles and fluorosilane into ethanol, and carrying out ultrasonic dispersion so as to prepare a superhydrophobic finish solution; and putting the cleaned fibrofelt in the primer resin solution, carrying out impregnation, then taking the fibrofelt out, removing excess resin and solvents through squeezing, carrying out drying, then subjecting the fibrofelt to dip-coating in the finish solution so as to form a superhydrophobic coating on the resin-treated fibrofelt, and then carrying out drying and curing so as to obtain the anti-fouling anti-moisture anti-mildew superhydrophobic fibrofelt.

A method for integrating product data management system includes carrying out engineering drawing design in CAD software and storing it in CAD file, generating printed file under CAD environment , setting up file object in PDM environment and using printed file as reference file of CAD file, setting up component object in PDM environment and using CAD file as description file of component object, searching component object in PDM engineering sign process, opening CAD description file and using approval browser to approve printed file.

The invention relates to a heat collection process for improving power generation efficiency using cement kiln residual heat, belonging to the technical field of power generation using cement kiln low-temperature residual heat. The process comprises the following steps of: mixing the residual low-temperature air (about 150 DEG C) from the tail portion of a grate cooler at a kiln hood and the residual intermediate-temperature waste gas (380-450 DEG C) from the middle portion of the grate cooler as the requirement of raw coal, and delivering to raw coal drying process of a coal-grinding system. The invention can generate power with more high-quality intermediate-temperature waste gas, improve effective cascading use of waste gas, and reduce the explosive risk of the coal-grinding system, so as to ensure safety production of the pulverized coal production system and save energy.

The invention discloses a spherical hammer head of a combined crusher and a manufacturing method thereof. The hammer head comprises a spherical hammer end (1) and a hammer handle (2); the spherical hammer end (1) and the hammer handle (2) are combined into the integral hammer head through a connecting rod (3); the spherical hammer end is cast by adopting an alloy high-chromium cast iron losing die; and the hammer handle is made of No. 45 round steel by a metal processing and cutting method. The spherical hammer head of the crusher has the advantages of abrasion resistance, good toughness, quick replacement of the spherical hammer end and long-term use of the hammer handle, improves the production efficiency, saves the metal material, and is particularly suitable for manufacturing hammer heads of reversible small and medium hammer crushers.

The invention discloses a chip integrating with a fingerprint interface, a fingerprint algorithm, security algorithms and correlated accelerators. The chip comprises a fingerprint module, a storage module, a security module and a communication interface, the fingerprint module comprises a sensor interface and a fingerprint algorithm accelerator and is internally cured with the fingerprint algorithm, and the sensor interface is used for attaching various fingerprint sensors known on the market. The security module comprises the security algorithms and a hardware accelerator used for optimization of various security algorithms. The storage module comprises a Ram (random access memory) and a Flash. The chip has the advantages that a general application is physically isolated from data of security and fingerprint programs, exposure of security and fingerprint data and codes is completely eradicated, and attacks launched from the general application are completely prevented; by random combination with a general and universal chip of a mobile terminal, fingerprint authentication and security application are realized; the problem about authentication relation between a digital certificate and human is solved, and privacy protection is realized in the true sense.

Disclosed is preparation technique for a decoration piece in a die, comprising the following steps: firstly, a vignette is printed on the surface of a transparent substrate material with ink; secondly, the printed film is treated under high pressure to be modeled into the needed shape and the redundant margin part is cut off. The high pressure treatment is done with a high-pressure molding machine and the technique parameters are that the upper and the lower heating temperature are between 280 DEG C and 380 DEG C; the temperature of the hot air is between 250 DEG C and 350 DEG C; the preheating temperature of the die is between 60 DEG C and 120 DEG C; the die closing time is from 6 to 20 seconds; the molding time is from 7 to 20 seconds; the exhausting time is from 3 to 8 seconds; the die closing speed is from 50 to 100 percent and the die opening speed is from 50 to 100 percent; thirdly, the printed film in a certain shape is put into the cavity of the die and thermoplastic resin is injected to make the film into a product; the parameters of the molding technique are subject to the thermoplastic resin. The invention is the technique of veneering at the same time with injection molding; the product and the decorative printed material are compounded into a whole and solid molded product can be printed with a decorative vignette, making the product having both functional effect and decorative effect.

The invention relates to a sterile cultivation method for algae, in particular to a sterile cultivation method for enteromorpha. Firstly, enteromorpha seedlings are washed 2-3 times, and the surfaces of the enteromorpha seedlings are absorbed dry; secondly, three antibiotics including the penicillin G, the neomycin and the polymyxin B are added into a VSE nutrient solution to be prepared into an antibiotic nutrition solution; thirdly, the enteromorpha seedlings are placed in the antibiotic nutrition solution, the cultivation temperature ranges from 18 DEG C to 25 DEG C, the illumination intensity ranges from 130mumol / m<2>*s, the photoperiod is 12L:12D, the enteromorpha seedlings are cultivated in an inflation mode, and the antibiotic nutrition solution is replaced every 3-6 days until the enteromorpha seedlings grow into mature algae. The sterile cultivation is carried out on the enteromorpha collected in the field in a laboratory, the enteromorpha is tested and has no infectious microbe growth, and accordingly the accuracy of the later experiment results of the enteromorpha is greatly improved. The sterile cultivation method is easy to operate, the enteromorpha cultivation system does not need to be changed, raw materials are easy to obtain, price is low, and cost is low.

The invention relates to a self-cleaning anti-fog element and a manufacturing method thereof. The anti-fog element comprises a light-transmitting base material, a light-transmitting barrier film and a photocatalysis base film, wherein the light-transmitting barrier film is formed on one side surface of the base material; the photocatalysis base film is formed on the barrier film and is a TiO2 or ZnO or SnO2 film with a porous structure, and the rate of pore volume to total volume of the TiO2 or ZnO or SnO2 film is 5-25%; and a photocatalysis hard film is further formed on the photocatalysis film and is a TiO2 or ZnO or SnO2 film with a porous structure, and the rate of pore volume to total volume of the TiO2 or ZnO or SnO2 film is less than 5%. The photocatalysis base film and the photocatalysis hard film of the self-cleaning anti-fog element provided by the invention have large specific surface, and have strong photocatalysis capability even if the thickness is thin; the photocatalysis hard film is good in hydrophily, abrasive resistance, acid resistance, alkali resistance and weather resistance; and the anti-fog element provided by the invention can be manufactured into an adhesive film by using a soft plastic base material, and is flexible to use.

The invention relates to a vector control method based on counter potential feedforward control, comprising the following steps: the V / F ratio of a motor is solved to obtain the needed counter potential amplitude of an asynchronous traction motor; exciting current and torque current are given; a counter potential phase angle is obtained by output frequency integral of an inverter; sampling is carried out to obtain the current of a three-phase stator of the motor, and the stator current vector amplitude and the phase angle are calculated; the offset voltage vector amplitude for stator impedance and the phase angle are solved; the stator current vector is decoupled into the torque current and the exciting current; the decoupled exciting current and the given exciting current form a PI(proportional-integral) regulator, and the output of the PI regulator is the counter potential amplitude regulated value; the decoupled torque current and the given torque current form a PI regulator, and the output of the PI regulator controls the slip of the motor directly; and the stator voltage amplitude output by the inverter is the sum of the regulated values of the counter potential amplitude of the motor, the offset voltage vector and the counter potential amplitude. In the invention, the control precision is high and the application range is wide.

The invention discloses a double-sided pressure sensitive adhesive tape capable of free movement in a short time, and a method thereof. The adhesive tape comprises two adhesive layers, wherein the surface of an adhesive layer is covered with 5-10 / cm<2> microbeads, and the surface of the adhesive layer is covered with release paper. The adhesive layers are the pressure sensitive adhesive layers. The preparation method for the tape comprises: mixing 2-ethylhexyl acrylate and an acrylic acid monomer, adding a certain monomer weight of azobisisobutylnitrile, and dissolving in ethyl acetate to obtain a mixed solution; in the case of nitrogen introducing, carrying out a reaction for 8 hours at a temperature of 60-65 DEG C to obtain an acrylate polymer; adding a cross-linking agent to the solution, and uniformly mixing; coating the adhesive solution on the silicone treated release paper, and conveying to a baking oven to carry out drying, wherein the temperature is 100 DEG C, and the time is 5 minutes; adhering the adhesive layer to the substrate after completing the drying, wherein the thickness of the adhesive layer after the drying is 70-80 mum; preparing a dried adhesive film by the same method, and uniformly spraying the microbeads with the diameter of 10-30 mum on the adhesive surface after the adhesive film is adhered to the substrate, wherein each square centimeter of the adhesive surface is sprayed with 5-10 of the microbeads, and the release paper is compounded on the adhesive layer after completing the microbead spraying.

The invention belongs to the field of air conditioners, provides a control method and system of an air conditioner, and additionally further provides the air conditioner with the control system to solve the problems that when a temperature sensor and / or a humidity sensor of an existing air conditioner breaks down, normal use of the air conditioner is influenced, and a user uses inconveniently. Thecontrol method comprises the steps that temperature information and / or humidity information of a plurality of reference air conditioners is obtained; and according to the temperature information and / or the humidity information of the multiple reference air conditioners, operating parameters of the air conditioner are selectively adjusted. The control system comprises a receiving module, a controlmodule and a background server. When a temperature sensor and / or a humidity sensor of the air conditioner breaks down, the current air conditioner can be subjected to parameter adjusting by obtainingthe temperature information and / or the humidity information of the multiple reference air conditioners, thus normal operating of the current air conditioner is ensued, and the user experience is improved.

The invention discloses a weld-line movement-controlled tailor-welded blank stamp-forming device, relating to tailor-welded blank stamp-forming devices. The weld-line movement-controlled tailor-welded blank stamp-forming device aims at solving the problem that the traditional tailor-welded blank stamp-forming device cannot control a weld line to move to a correct position through regulating a blank-holding force of a blocking blank holder and regulating a holding force of the weld line and cannot flexibly control a blank-holding force on a blank at two sides of the weld line. A female die is mounted on the upper end faces of two female die cushions; a holding block can move up and down along the die cavity of the female die under the driving of a piston rod of a third hydraulic cylinder; a holding pin inserts into one of grooves; a first blank holder and a second blank holder are arranged above the female die and are used for positioning a tailor-welded blank; the upper end face of the first blank holder is connected with a piston of a first hydraulic cylinder; the upper end face of the second blank holder is connected with a piston of a second hydraulic cylinder; and a control system is used for adjusting the motion of the three hydraulic cylinders through controlling the on / off of each hydraulic valve component in a hydraulic system. According to the invention, the inflow volume of blanks at the two sides of the weld line of the tailor-welded blank can be effectively controlled.