47results about How to "Form realization" patented technology

The invention relates to an N-type double-side battery and a manufacturing method thereof. The method includes: texturing processing of a first surface and a second surface of an N-type silicon chip is performed; a boron-doped source layer is formed on the first surface of the N-type silicon chip, a first laser parameter is employed to perform laser processing of the first surface, a p+ doping region is formed on the first surface, a second laser parameter is employed to perform laser processing of the first surface, and a p++ heavily-doped region is formed on the first surface; a phosphorus-doped source is coated on the second surface of the N-type silicon chip, a third laser parameter is employed to perform laser processing of the second surface, an n+ doping region is formed on the second surface, a fourth laser parameter is employed to perform laser processing of the second surface, and an n++ heavily-doped region is formed on the second surface; and passivation antireflection film layers and electrodes are prepared on the first surface in sequence. According to the N-type double-side battery and the manufacturing method thereof, the heat damage to the N-type silicon chip is reduced, and the conversion rate of the battery can be increased.

The invention relates to a safe portable multifunctional oxygen-hydrogen integrated machine, which belongs to the technical field of health-care equipment. The safe portable multifunctional oxygen-hydrogen integrated machine comprises an existing electrolysis unit, and an ultrasonic unit, a heating unit and a pressure unit are arranged in a machine body, wherein the ultrasonic unit mainly utilizes the atomization effect of an ultrasonic microporous atomization piece, the heating unit mainly utilizes a heating piece to control the temperature of water, and the pressure unit utilizes a pressure sensor to monitor the gas pressure in the machine body, so that multiple functions of producing hydrogen, oxygen, an oxygen-hydrogen mixture, hydrogen-enriched fog, oxygen-hydrogen-enriched fog, hydrogen-enriched water and oxygen-hydrogen-enriched water can be realized. The dissolved degree of hydrogen in the hydrogen-enriched water prepared by the safe portable multifunctional oxygen-hydrogen integrated machine is high, the effect of the hydrogen-enriched water is good, therefore, a cup required, by equipment, for containing water is small, and the dissolved degree of gas can be increased by adopting the hyperbolic tower-shaped cup. Compared with the prior art, the safe portable multifunctional oxygen-hydrogen integrated machine has the advantages of small size, convenience in carrying, high safety and less possibility in danger occurrence when the machine is used for producing hydrogen.

The invention discloses a nanogel polymerized aluminum type liquid alkali-free accelerator and a preparation method thereof. The nanogel polymerized aluminum type liquid alkali-free setting accelerator is prepared from, by mass, 20-30% of aluminum sulfate, 25-35% of aluminum carbonate, 5-8% of a nanogel, 3-7% of alkylol amine, 0.2-0.8% of an amide organic stabilizer, and the balance of water, andthe nanogel is a hydrothermally synthesized nano-hydrated calcium silicate gel. The alkali-free liquid accelerator adopts the aluminum sulfate and the aluminum carbonate as main aluminum phase components, and the formation of polyaluminum sulfate is realized by utilizing the double hydrolysis effect of the aluminum carbonate and remarkably reducing the dosage of the aluminum sulfate, so that the aluminum phase ion concentration of an alkali-free system is improved. The nano-hydrated calcium silicate gel can rapidly promote tricalcium silicate hydration, harmlessly improves the early strength of cement, and cooperates with an amide organic stabilizer to improve the long-term stability of the product.

The invention provides a vehicle air conditioner demisting automatic regulating system, and relates to the technical field of vehicle control. The system comprises an outside temperature and humiditysensor used to measure temperature and humidity out of a vehicle, an in-vehicle temperature and humidity sensor used to measure temperature and humidity in a vehicle, a determining unit used to determine whether fog can be formed by an enthalpy-entropy list according to the measured outside temperature and humidity and in-vehicle temperature and humidity, a control module used to give out a demisting instruction or an antifog instruction according to a determining result and a determining condition of the determining unit, and an in-vehicle air conditioner system used to execute the demistinginstruction or the antifog instruction. The vehicle air conditioner demisting automatic regulating system can determine whether a fog generation condition is provided according to in-vehicle and outside environments, and then an air conditioner and an air outlet are regulated, to make a vehicle window have no fog. The system can reduce complicated operation of starting a demisting device and adjusting a direction of the air outlet by a driver, so as to improve driving security.

The application provides an FM (frequency modulation) pilot signal generation method and circuit, wherein the method comprises: processing a double-track audio signal into a baseband signal, and introducing the baseband signal into a system PLL, the system PLL being provided with a VCO; the system PLL locking a reference oscillation frequency to be a simulation signal according to the channel coding corresponding to a target emission frequency, modulating the simulation signal according to the baseband signal, and controlling the VCO to output the carrier wave signal of a first frequency according to a modulation result; performing first frequency division treatment on the carrier wave signal to obtain an FM emission signal of the target emission frequency; performing second frequency division treatment on the carrier wave signal to obtain a signal of a second frequency; and a DDS performing frequency controlling on the signal of a second frequency according to a frequency control word to generate a pilot signal. The FM pilot signal generation method and circuit are suitable for a low frequency crystal oscillator FM double-track stereo emission system, and can generate an FM emission signal and a pilot signal through the system PLL.

The present invention relates to a solar energy shallow layer micro-nano aerator, which comprises a power pump and a bearing, wherein an aeration chamber is arranged below the power pump, the upper end of the aeration chamber is provided with a gas inlet, the bottom and the periphery of the power pump are provided with a floating body fixation device for supporting the power pump on the water surface in a floating manner, a supporting plate is fixed below the floating bodying fixation device and is connected to the outer side of the aeration chamber, the bearing penetrates through the aeration chamber, the end of the bearing is provided with a water body cyclone, the outer side of the bearing is provided with a bearing protection sleeve, and micro-nano bubble generators around the bearing protection sleeve are arranged in the aeration chamber above the water body cyclone. The solar energy shallow layer micro-nano aerator has the following beneficial effects that: the high-speed rotation water flow is adopted to drive air to form complete mixing so as to form the gas-liquid mixed phase, and the micro-nano bubble generator is adopted to achieve formation of the micro-nano bubbles so as to increase the local dissolved oxygen of the water body.

The invention discloses high-temperature-resistant and low-density aluminum oxide nanorod aerogel and a preparation method thereof. The preparation method comprises the following steps: firstly preparing an aluminum oxide nanorod, and then coating the aluminum oxide nanorod by taking resorcinol-formaldehyde as a carbon source. Gelling, aging and performing supercritical drying; through high-temperature cracking, resorcinol-formaldehyde is converted to a carbon shell layer in the high-temperature cracking process, and contractility generated in the conversion process effectively inhibits crystal phase conversion and lattice rearrangement of core layer aluminum oxide to an alpha phase at a high temperature, so that sintering caused by rapid growth of alpha-phase crystal grains and great reduction of the specific surface area are avoided. And finally, carrying out heating treatment to remove the carbon template, so as to obtain the aluminum oxide nanorod aerogel with the three-dimensional network structure. The alumina nanorod aerogel prepared by the invention has good high temperature resistance, and can be applied to the fields of thermal insulation and heat preservation of aerospace, petrochemical engineering, industrial kilns and the like.

The invention relates to a high-magnification spherical oxidized alloy composite electrode material. The material is an oxide alloy lithium compound doped with one or more metal ions. The surface of the oxidized alloy lithium compound is coated with a metal oxide at the same time; meanwhile, a high-conductivity carbon phase is compounded on the surface; the spherical particle is a secondary spherical particle formed by aggregating nano particles, the general chemical formula is Li < 4 > Ti < 5-x > M < x > O < 12 >. (M < y > O), through metal ion doping and compounding of a high-conductivity carbon phase, the conductivity of the oxidized alloy lithium compound at a high rate can be greatly improved; the electrochemical performance is improved, the metal oxide is coated on the surface of theoxidized alloy lithium compound by controlling the amount of metal ions in a condition process, so that the reduction decomposition of an electrolyte is effectively inhibited, the gas production is inhibited, the cycling stability of the battery is further improved, the gas expansion problem is effectively improved, and the high-rate charging cycle life is prolonged.

The invention discloses a method for forming a micro-channel with a certain thickness. The method is characterized by comprising the following steps: preparing a cover piece and a base piece, wherein an interlayer is arranged between the cover piece and the base piece; drawing the micro-channel on the base plate with an adhesive, wherein the thickness of the micro-channel is equal to that of the interlayer; placing the cover piece, and curing to achieve rapid sealing connection of the cover piece and the base piece. The method is simple, feasible and convenient to operate, and the technical defect that the thickness of a channel cannot be ensured when a sealing and connection mode of adhesion with a pressure-sensitive adhesive is adopted can be effectively avoided.

The invention discloses a lighting device, image reading apparatus, and image forming apparatus, which can effectively utilize a light quantity of a point source when a point source with little light quantity is used as a light source of a reading device. A lighting system is provided with a point source 32 emitting light to the surface of a document which is located on contact glass 12 and becomes a reading object, and a condensing body 33 which is arranged forward in the direction of emission of light emitted from the point source 32 and which condenses light emitted from the point source 32 within a reading width in the direction of a sub-scanning direction at the time of document reading. The condensing body 33 is arranged in a direction in which angles of all lights passing through the condensing body 33 are less than a critical angle '[theta]' totally reflected by the contact glass 12. Thus, all of the lights emitted from the point source 32 through the condensing body 33 are irradiated to the surface of the document without total reflection at the contact glass 12, thereby enabling all of the lights emitted from the point source 32 to be effectively used for lighting the document surface.

A method for folding a corner of a box for packing a welding wire is a folding method for enabling a selected corner of the box for packing the welding wire to be formed into a dent for handholding, the method is characterized by comprising: performing a fold line as a ridge line of the dent on the position forming a part homologous to the corner part of the paperboard of the dent; after the paperboard of the fold line forms the box shape, pressing a corner of the box from the external side to the internal side to form the dent, at this moment, the pressing device can be arranged into a fluid cylinder of a pressing front end with the shape corresponding to the outer edge shape of the dent. According to the method, the corner can be easily and rapidly formed into the dent, the dent forming can be implemented can adopting the pressing device with simple mechanism and miniaturization device.

The invention discloses an optical touch control system, comprising a hand input light pen and an infrared video shooting module. The hand input light pen comprises a shell, an infrared light source, a converging lens and a pen point. The pen point comprises an accepting end in the shell and a writing end which is back to the accepting end and located outside the shell, and the pen point is provided with a through hole penetrating through the pen point from the accepting end to the writing end. The converging lens is arranged at the accepting end. The infrared light source is located in the shell and used for emitting infrared light. The converging lens is used for converging the infrared light to make it pass through the through hole and project to the writing end so as to form infrared light dots. The infrared video shooting module is used for shooting movement tracks of the infrared light dots. The hand input light pen and the optical touch control system write in a hand writing region by the writing end, and simultaneously, the infrared light emitted by the light source projects at the writing end through the converging lens so as to form the infrared light dots, so that the light dots are formed, and hand input is implemented.

The invention belongs to the field of photocatalysis, and particularly relates to a preparation method of a graphene-based titanium dioxide photocatalyst; graphene oxide as a substrate material and titanium monoxide as a titanium source are used for forming the graphene-nano titanium dioxide composite photocatalyst. According to the preparation method, the problem that an existing graphene titanium dioxide composite material is difficult to prepare is solved, and conversion of titanium dioxide and formation of graphene are realized by utilizing reducibility of titanium monoxide and an oxygen group formation reaction of graphene oxide.

The invention belongs to the technical field of array signal processing, and particularly relates to an improved robust beam forming method combining a covariance matrix and an ADMM algorithm, and the method comprises the steps: constructing an improved robust beam forming steering vector optimization model, and carrying out the improvement of the steering vector optimization model on the basis of the reconstruction of the covariance matrix; firstly, SDP relaxation is utilized, secondly, an ADMM algorithm is utilized to solve the model, a closed optimal solution is obtained in each iteration process, an optimal weighted vector is calculated, multi-beam weighted summation is carried out on the optimal weighted vector and an array receiving data vector, and an output robust beam is formed. According to the method, the robustness requirement is better met, the anti-interference motion capability and the anti-steering vector mismatching capability of a traditional beam former are effectively improved, meanwhile, the condition of outputting SINR under the condition of low input SNR is effectively improved, and the self-elimination phenomenon is effectively prevented.