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1350results about How to "Simple processing technology" patented technology

Micron-nano scale in-situ nano indentation and scratching test system

InactiveCN101876609AThe test method is accuratePrecision equipmentUsing optical meansInvestigating material hardnessImage resolutionEngineering
The invention relates to a micron-nano scale in-situ nano indentation and scratching test system which integrates driving, precise loading and signal detection, micron-nano scale mechanics performance testing, ultraprecise scratching processing and high resolution in-situ observing as one. The system is mainly composed of a precise positioning platform at X-axis and Y-axis directions, a precise linear positioning platform at Z-axis direction, a precise indentation driving unit, a load signal and displacement signal detection unit and a high resolution digital microscopic imaging system for observing and storing material deformation and damage conditions in the test process. The precise positioning platform at the X-axis and Y-axis directions is assembled on a base, the precise linear positioning platform at the Z-axis direction is assembled on a side plate, the precise indentation driving unit, a precise mechanical sensor for detecting the indentation material pressure of a diamond tool head and a precise displacement sensor for detecting the indentation depth of the diamond tool head to along the Z-axis direction are assembled on the precise linear positioning platform at the Z-axis direction, and the high resolution digital microscopic imaging system is assembled on a beam.
Owner:赵宏伟

Application of femtosecond laser in titanium or titanium alloy implantation material surface treatment

InactiveCN101264550ALower ablation thresholdLittle thermal impactTeeth fillingBone implantApatitePhosphate
The invention relates to an application of a femto-second laser in the treatment of titanium or titanium alloy implanting material surface, belonging to the technical field of application of laser in the material surface treatment, which comprises the following steps: in the air, the femto-second laser pulses are arranged over the massive titanium or titanium alloy materials, are vertically focused on the surface to form a focal point, the laser spot radius of which is 5 Mum, the processing parameters of the femto-second laser are: the PRF is 1 kHz, the single pulse energy is 50 to 300 micro-joules, the pulse width is 50 femto-seconds, the pulse center wavelength is 800 nm, the laser processing line spacing is 10 to 100 Mum, and the laser scanning speed is 0.2 to 1.0mm/s; the polarization direction of the femto-second laser is adjusted to be parallel with the scanning direction of the femto-second laser, the femto-second laser is used to scan the entire surface of the massive titanium or titanium alloy materials which have been immersed in hydroxyl apatite suspension liquid for 5 minutes, so the surface of the titanium or titanium alloy materials present uniform rough peak-like protrusions and a pattern of porous cyclist regular structure, and is loaded with the titanium-based biomedical material of calcium and phosphate salt.
Owner:HEBEI UNIV OF TECH +2

Measuring method of 3D profilometry of free-form surface based on computer-generated hologram

InactiveCN101629813AAvoid damageUnrestricted measuring rangeUsing optical meansDigital reproductionWavefront
The invention relates to a measuring method of 3D profilometry of free-form surface based on computer-generated hologram, comprising the following steps: generating a computer-generated hologram with an ideal free-form surface wavefront according to a mathematical model of the free-form surface; carrying out holographic record on an actual to-be-measured free-form surface; sampling a hologram recorded by a medium through a charge coupled device so as to obtain a digital hologram; respectively carrying out digital reconstruction on the digital hologram and the computer-generated hologram so as to obtain a to-be-measured free-form surface and CGH wavefront information, and carrying out coherent addition on the two wavefronts so as to obtain an interference pattern; carrying out phase computation on the interference pattern so as to obtain the phase position of an ideal free-form surface and the phase position of the to-be-measured free-form surface; calculating according to the phase positions obtained by calculation so as to obtain the height information of each pixel dot; and then obtaining the 3D profilometry of the free-form surface. Due to the fact that the measuring method is a contactless optical measuring method, the surface of the free-form surface is prevented from damage, and the measuring range and the measuring object are not limited; the precision is high, thus the accurate real-time detection can be realized. The measuring method can provide accurate data for precise processing of the free-form surface.
Owner:TIANJIN UNIV

Electric vehicle power battery pack temperature control system based on heat pipes

The invention discloses an electric vehicle power battery pack temperature control system based on heat pipes. The electric vehicle power battery pack temperature control system is characterized in that a battery pack temperature control box body is a sealed box body, a sealed battery grouping bin is contained in the sealed box body, the length and the height of the battery grouping bin are smaller than those of the battery pack temperature control box body, but the widths of the two components are equal; an annular heat exchange bin is formed between the battery grouping bin and the battery pack temperature control box body; the heat pipes are arranged in the battery grouping bin along the length direction in a penetration manner, the heat pipes penetrate through insulating heat sinks arranged in parallel, and the ends of the heat pipes are located in the annular heat exchange bin; single batteries are arranged between the insulating heat sinks, the radiating surfaces of the single batteries are fitted with the insulating heat sinks; a heater and an evaporator are respectively arranged in the annular heat exchange bin. The electric vehicle power battery pack temperature control system disclosed by the invention can be used for solving the problem that effective heat treatment cannot be performed on each single battery due to overlarge flow resistance and achieving sealed design of the battery box body, the safety is high, the temperature of the power battery is regulated quickly, and the temperature field distribution is uniform.
Owner:芜湖汇展新能源科技有限公司

Dyeing treatment process for pure cotton fabrics based on pure natural biological preparations

The invention discloses a dyeing treatment process for pure cotton fabrics based on pure natural biological preparations, which is designed for solving the technical problems that the environment is seriously harmed in an existing pure cotton fabric dyeing treatment process, and the human health is harmed in an application process. The adopted technical scheme is as follows: the dyeing treatment process comprises the steps of singeing, desizing, boiling-out, bleaching, dyeing, softening treatment and preshrinking treatment, and the key point is that biological preparations, which are respectively a desizing enzyme solution, a boiling-out enzyme solution, glucose oxidase solution and a plant dye, are respectively adopted in the steps of desizing, boiling-out, bleaching and dyeing. The dyeing treatment process has the technical effects that the operation is simple; the pure natural biological preparations almost do not contain any toxic substance, and wastewater produced in the treatment process is less and biodegradable, so that under the premise of keeping the characteristics such as softness, sweat absorption, comfortableness and naturalness and the like of pure cotton fabrics, the harm to the environment is alleviated, and the harm to human body is avoided, and therefore, the process has a zero-pollution environmental friendliness characteristic.
Owner:HEBEI NINGFANG GRP

Method for improving titanium alloy swaging forged structure homogeneity

The invention discloses a method for improving the titanium alloy swaging forged structure homogeneity. The method includes the steps of (1) placing titanium alloy which is obtained through conventional upsetting swaging forging and provided with the square cross section on an operating platform, enabling the length direction of the titanium alloy with the square cross section to be parallel to the axial direction of an upper flat anvil, overall flattening the titanium alloy with the square cross section in the diagonal direction of the square cross section, and obtaining titanium alloy with the hexagon cross section, (2) turning over the titanium alloy with the hexagon cross section by 90 degrees to carry out overall flattening, and obtaining titanium alloy with the octagon cross section, and (3) repeating the step (2) on the titanium alloy with the octagon cross section until a titanium alloy forge piece with the square cross section and the size same as the size of the titanium alloy with the square cross section is obtained. According to the method, large plastic deformation is carried out on the cross section of a material in different directions, the cross inhomogeneous deformation caused by swaging deformation in a single direction is improved, and therefore the aim that structures of various portions of the forge piece are homogeneous is achieved.
Owner:西安秦钛智造科技有限公司

Optical fiber sensor for detecting strain and temperature change simultaneously

The invention discloses an optical fiber sensor for detecting strain and a temperature change simultaneously. The optical fiber sensor comprises an optical fiber and an elastic beam, wherein a first Bragg micro grating part and a second Bragg micro grating part are arranged on the optical fiber at intervals of a predetermined distance; a difference exists between the wavelengths of the first Bragg micro grating part and the second Bragg micro grating part; the elastic beam comprises a temperature measuring optical fiber bearing area, a strain measuring optical fiber bearing area and an elastic telescopic area positioned between the temperature measuring optical fiber bearing area and the strain measuring optical fiber bearing area; the first Bragg micro grating part of the optical fiber is arranged on the temperature measuring optical fiber bearing area in a free state; and the optical fiber positioned between the first Bragg micro grating part and the second Bragg micro grating part is continuously fixed on the elastic telescopic area and the temperature measuring optical fiber bearing area. The optical fiber sensor can perform temperature and strain sensing detection, has low cost and high mechanical strength, and works stably and reliably, and the preparation process is simple.
Owner:SHANGHAI GAOSHI PHOTOELECTRIC CO LTD

Natural high-iron albumen powder and preparation method thereof

The invention belongs to the field of functional foods, and in particular relates to natural high-iron albumen powder and a preparation method thereof. The method comprises the steps of soybean milk grinding, heated centrifugation, salting precipitation, centrifugal settling and freeze drying. The process comprises the following steps: weighing dry beans, pulping the dry beans by using PBS damping liquid with the quality 1-2 times of that of the dry beans and the concentration of 50mM after soaking the dry beans for 8-12 hours, and filtering and removing bean dregs, wherein polyvinylpyrrolidone in the damping liquid is 0.5-10 grams/liter; heating the pulp for 10-15 minutes in warm bath at 50-60 DEG C, cooling the pulp to room temperature, centrifugalizing at 4500-8000rpm for 10-20 minutes, removing starch and doped protein and taking supernatant liquid; dissolving magnesium chloride, dissolving sodium citrate after 30-120min, evenly mixing and stirring for 8-12 hours at 4 DEG C, wherein the concentration of the magnesium chloride and the concentration of the sodium citrate are respectively 200-600mM and 300-700mM; centrifugalizing at 0-7 DEG C with more than 10000rpm for 20-40 minutes, removing the supernatant liquid and grease and taking deposit parts; and carrying out freeze drying on the deposit parts.
Owner:CHINA AGRI UNIV

Electromagnetic folding brake for tractor

The invention relates to an electromagnetic folding brake for a tractor. A magnetic top plate and an iron core base plate are arranged in parallel, and a space is reserved between the magnetic top plate and the iron core base plate; the magnetic top plate and the iron core base plate are connected by an adjusting bolt; the magnetic top plate can move along the adjusting bolt, and the outer lateral surface of the magnetic top plate is fixedly provided with a braking plate; an inner ring of the iron core and an outer ring of the iron core are fixed on the inner lateral surface of the iron core base plate; gaps are reserved between the inner ring of the iron core and the outer ring of the iron core and the inner lateral surface of the magnetic top plate; an electromagnetic coil is embedded between the inner ring of the iron core and the outer ring of the iron core, and the electromagnetic coil leads out a coil wire; a plurality of stud bolts penetrate the magnetic top plate, the iron core base plate and the outer ring of the iron core, braking springs are sleeved on the outside of the stud bolts, and both ends of the braking springs are pressed against the magnetic top plate and the inner lateral surface of the iron core base plate respectively; and a micro switch is arranged on the outer side of the outer ring of the iron core, and when the magnetic top plate acts, a protruding part of the magnetic top plate contacts the micro switch to make the micro switch act. The brake has the advantages of simple structure, low cost, easy adjustment of the gaps, good braking performance, little noise, low wear and the like.
Owner:浙江西子富沃德电机有限公司 +1

Small-blocking-agent-loaded graphene conductive slurry and preparation method and application thereof

The invention discloses small-blocking-agent-loaded graphene conductive slurry and a preparation method and application of the small-blocking-agent-loaded graphene conductive slurry. The conductive slurry comprises 1wt% to 10 wt% of conductive components, 0.5 wt% to 8 wt% of dispersing agents and 85 wt% to 95 wt% of solvents. The conductive components comprise small-blocking-agent-loaded graphene serving as the basic conductive components and auxiliary conductive components. According to the slurry, small blocking agents are loaded on the graphene so that stacking among the graphene can be eliminated thoroughly, the processing difficulty of the graphene is lowered, the dispersity of the graphene in the conductive slurry is improved greatly, and thus the conductive slurry excellent in performance is obtained; according to electronic devices formed through the conductive slurry, especially energy storage devices, such as li-ion battery products which have excellent conductive performance and heat conducting performance, the power density, rate capacity, tap density, circulation stability, and other performance of the electronic devices are improved greatly, the service life of the electric devices is greatly prolonged, and the conductive slurry is simple in preparation process and low in cost.
Owner:苏州格瑞丰纳米科技有限公司

Space-adjustable rotary storage cabinet and storage distribution method thereof

The invention discloses a space-adjustable rotary storage cabinet, which comprises a rotating mechanism, a storage structure and a support structure, wherein the rotating mechanism comprises a main motor, a rotating shaft and a sliding rail; the storage structure comprises a storage region, a bottom rotating plate, a top plate, an outer cover, a plurality of separation plates and a plurality of ascending and descending plates; the support structure comprises a support frame, a fixing seat with a bearing, a linear bearing, a lead screw and a lead screw nut; the bottom of the sliding rail is fixed at the bottom of the support frame; the bottom rotating plate is fixed on the sliding rail; the bottom rotating plate is fixedly connected with the rotating shaft; the ascending and descending plates are glidingly connected with the rotating shaft through the linear bearing; the lead screw nut is used for fixing the lead screw and the edges of the ascending and descending plates; the main motor drives the bottom rotating plate, the ascending and descending plates, the top plate and the rotating shaft to synchronously rotate through the rotating shaft. The space-adjustable rotary storage cabinet has the advantages that the storage quantity is great; the structure is simple; the movement is stable; the storage space of expresses is reasonable; the classification is clear; the price is low; the applicability is high.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Pressurization visual combustion test device of combustor of gas turbine

The invention relates to a pressurization visual combustion test device, in particular to a pressurization visual combustion test device of a combustor of a gas turbine. The pressurization visual combustion test device of the combustor of the gas turbine aims to solve the problem that no test device special for testing the combustor of the gas turbine exists in the prior art. According to the pressurization visual combustion test device, a pressure-bearing casing is horizontally arranged, a single-nozzle installation flange cover is installed at the end face of one end of the pressure-bearing casing, the pressure-bearing casing is connected with a high-temperature measurement section, an anti-explosion mechanism is installed on an anti-explosion clamping flange at the lower surface of the pressure-bearing casing, an elastic carrier assembly is inserted in the pressure-bearing casing, a quartz glass flame tube is inserted in the elastic carrier assembly, a telescopic igniter is connected with an igniter flange at the lower surface of the pressure-bearing casing, the upper end of the telescopic igniter is connected with the quartz glass flame tube, and an air inlet flange is arranged on the upper surface of the pressure-bearing casing. The pressurization visual combustion test device of the combustor of the gas turbine is used in the field of gas turbines.
Owner:HARBIN TURBINE +1

Exhaust gear applied to automotive hydraulic braking system and control method

The invention discloses an exhaust gear applied to an automotive hydraulic braking system and a control method, and aims to overcome the problems that the structure is complex, the cost is high, and pipeline detection and the exhaust of a secondary loop in a hydraulic braking system of a vehicle with an ABS (anti-lock braking system) and an ESP (electronic stability program) during the exhaust process of the braking system cannot be completed in the prior art. The exhaust gear applied to the automotive hydraulic braking system comprises a braking control mechanism, a hydraulic regulating unit, exhaust filling equipment, a braking actuator and an exhaust control unit ECU, wherein the exhaust filling equipment comprises a four-position two-way electromagnetic valve, a filling gun, a vacuum pump, a pressure-limiting valve, an oil pump, an air pressure tank and an air compressor; the p port of the filling gun is in tube connection with the a port of the four-position two-way electromagnetic valve; the p port of the four-position two-way electromagnetic valve is in tube connection with the a port of the vacuum pump, the p port of the oil pump and the p port of the air pressure tank; the p port of the pressure-limiting valve is in tube connection with the p port of the oil pump; the a port of the air pressure tank is in tube connection with the p port of the air compressor. The invention also provides the control method adopting the exhaust gear applied to the automotive hydraulic braking system.
Owner:JILIN UNIV

Semi-skimmed trichosanthes kirilowii maxim protein beverage and preparation method thereof

InactiveCN102613649AMoisturizingNourishing beautyFood preparationSucroseSaccharum
The invention provides a semi-skimmed trichosanthes kirilowii maxim protein beverage which comprises the following components as per part by weight: 35 to 40 parts of trichosanthes kirilowii maxim seed protoplasm, 6 to 10 parts of cane sugar, 0.15 to 0.2 part of compound emulsion agent, 0.15 to 0.2 part of composite complexing agent, 0.001 to 0.002 part of flavoring agent and the balance of soft water, wherein the pH is adjusted to be 6.5 to 6.8, and the soft water is added to achieve 100 parts. The preparation method comprises the following steps of raw materials selection, shucking, peeling, drying, cold pressing, soaking, pulping, filtration, homogenization, auxiliary material allocation, second homogenization, package and sterilization. The semi-skimmed trichosanthes kirilowii maxim protein beverage has a soft and smooth taste and effects of hairdressing and nourishing, can achieve the functions of invigorating the stomach and moistening the lung, relaxing bowel to relieve constipation, inducing diuresis, loosening the chest, relieving the heart and refreshing the spirit, resisting bacteria and building body after being drunk for a long time, and has a strong inhibiting effecton choriocarcinoma cell proliferation in vitro and Human Immunodeficiency Virus (HIV). The preparation method has scientific, simple and convenient processing technology, and keeps the nutritional ingredient of trichosanthes kirilowii maxim seed furthest; and the prepared semi-skimmed trichosanthes kirilowii maxim protein beverage has a low fat content, a high protein content, and can be drunk toenjoy better health.
Owner:何家庆
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