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31results about How to "Reduce loss costs" patented technology
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Work management apparatus, picking carriage, workability management system, workability management method and workability management program
ActiveCN101086666AReduce loss costsReliable collectionTotal factory controlProgramme total factory controlCollection systemManagement system
The invention aims at providing a work performance collection system for reliably collecting information of work performance without applying a burden to a worker in assembly of a work object article. This system includes a work specification ID tag into which information for specifying a work content of a work object article is written, a work management box having a throw-in port into which the work specification ID tag is thrown at the time of work, and an ID tag reader provided to a side surface of the work management box, for reading the work specification ID tag and transmitting the information read to a work performance management apparatus. A worker is required to only throw the work specification ID tag into the work management box at the start of work and to only take out the work specification ID tag at the end of work.
Owner:HITACHI LTD
Method for manufacturing embossed solvent-free polyurethane synthetic leather
InactiveCN106519177AMeet environmental protection requirementsThe processing technology is simpleTextiles and paperSurface layerSolvent free
The invention discloses a method for manufacturing embossed solvent-free polyurethane synthetic leather. The method comprises the steps of preparing a solvent-free polyurethane leather dry-process semi-finished product and carrying out each unit process of embossing treatment. According to the method disclosed by the invention, the manual work is little, the energy consumption is low, and both the manufacturing process and the finished product are healthy and environmentally friendly; and the product can be embossed, patterns are plump, the granular sensation is high, the physical property is high, and the cold resistance and hydrolysis resistance are excellent. According to the method, the traditional wet process is not required, and links of producing a wet-process base and carrying out dry-process bonding are avoided; and solvent-free foaming layer resin is also not required, and the used solvent-free bicomponent surface layer resin can serve as a surface layer and can also serve as a bonding layer.
Owner:ANHUI ANLI MATERIAL TECH
Multi-type distributed power supply optimal configuration method based on immune particle swarm algorithm
InactiveCN110247390AImprove operational efficiencyReduce loss costsSingle network parallel feeding arrangementsAc networks with different sources same frequencyPopulationPower grid
The invention discloses a multi-type distributed power supply optimal configuration method based on an immune particle swarm algorithm. The multi-type distributed power supply optimal configuration method comprises the following steps of: the step 1: inputting parameter data of an optimized configuration target function, and initializing parameters; the step 2: generating initial positions xi and speeds vi of the M particles by logistic regression analysis mapping to form an initial particle group P0; the step 3: calling a load flow calculation program to calculate the adaptive value F of the particles in the current particle group P0; the step 4: determining whether an algorithm result meets the calculation precision D or not, if yes, ending the steps and outputting the result, or else, performing the next step; the step 5: updating the local and global optimal solutions and updating the position and speed of the particles according to the following formula as shown in the description; the step 6: generating N new particles by logistic regression analysis mapping to form a new N+M particle population; and the step 7: selecting N proper particles through adoption of a concentration selection mechanism to form a new particle group P, and returning to the step 3 for recalculation. The technical scheme can improve the economic benefit of power grid operation.
Owner:HUZHOU ELECTRIC POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD +1
Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft
InactiveCN101921903AReduce consumptionLow costFurnace typesHeat treatment furnacesAfter treatmentPearlite
The invention relates to a method for obtaining a high-pearlite high-tenacity nodular cast iron crankshaft by improving the pearlite content of nodular cast iron and improving the mechanical properties. For a nodular cast iron crankshaft casting containing less than 0.82% of Mn, after treatment of the casting by a double normalizing process of residual heat normalizing and general normalizing, the pearlite content of the nodular cast iron crankshaft casting is greater than or equal to 95%, the elongation is greater than or equal to 5%, and HB is greater than or equal to 260. The invention dispenses with the cost of adding Cu and the cost of normalizing liquid and consumption thereof, and enables the pearlite content of the nodular cast iron crankshaft casting to be greater than or equal to 95% and the nodular cast iron crankshaft casting to have favorable mechanical properties.
Owner:荆州环宇汽车零部件有限公司
Three-dimensional adjustable claw
The invention relates to a three-dimensional adjustable claw which comprises a claw core and at least two claw arm assemblies, wherein the claw core is provided with a bolt hole for connecting with a base, the claw arm assemblies are fixedly connected to the claw core; each claw arm assembly comprises a large claw arm, a stud, a small claw arm, a positioning nut and a claw head; the claw core is arranged at one end of the large claw arm; the other end of the large claw arm is connected with the small claw arm through the stud; the connecting surfaces of the large claw arm and the small claw arm are respectively provided with one circle of latches; the claw big arm and the claw small arm are engaged with each other through the latches; the claw head is provided with a screw rod; and the screw rod is in threaded connection with the other end of the small claw arm, and the positioning nut is sleeved at a connection position. Compared with the prior art, the invention has the advantages that the three-dimensional adjustable claw can be applied to a curtain wall building in a special shape, the engineering rework cost and the material loss cost can be reduced greatly, the construction cost is reduced, and the like.
Owner:SHANGHAI BRIGHT INTELLIGENT CURTAIN WALL
Power distribution network line operation efficiency evaluation method and device, and storage medium
ActiveCN109492957AAccurate operating efficiencyReduce loss costsResourcesSystems intergating technologiesComputer scienceLoad following power plant
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
Keyboard testing system
InactiveCN102193849AReduce loss costsImprove detection efficiencyDetecting faulty computer hardwareInterface circuitsMotherboard
The invention discloses a keyboard testing system, which is used for detecting the keyboard function of a mainboard. The keyboard testing system comprises a control unit, a microprocessor, a keyboard switch unit, a keyboard interface and a mainboard, wherein the control unit is used for outputting an execution command; the microprocessor is used for receiving the execution command and outputting a plurality of control signals in sequence according to the execution command; the keyboard switch unit comprises a plurality of electronic switches which are used for receiving the plurality of control signals output by the microprocessor and are conducted in sequence; the keyboard interface is connected with the plurality of electronic switches of the keyboard switch unit; the mainboard comprises a keyboard interface circuit which is connected with the plurality of electronic switches of the keyboard switch unit through the keyboard interface; and when the plurality of electronic switches in the keyboard unit are conducted in sequence, the mainboard outputs coded information of corresponding keys in sequence. By adopting the keyboard testing system, detection can be performed without manually beating all keys on a keyboard, thus the detection efficiency and the detection speed can be increased and the labor cost is saved.
Owner:SHENXUN COMP KUNSHAN
High-sealing-performance rapid pressure adjustment system and method for gas
ActiveCN110500503AImprove the technical capability of power transient testAbsorb morePipeline systemsMetallic materialsProcess engineering
The invention discloses a high-sealing-performance rapid pressure adjustment system and method for gas. The high-sealing-performance rapid pressure adjustment system for the gas is composed of a gas loop, a pressure accumulator, a pressure-stabilizing tank, a diaphragm compressor, an inflation tank, a valve, a pipeline, an instrument and the like. High-pressure process gas in the inflation tank isused for directly filling the gas loop, and a reaction gas cylinder pressure in the gas loop is rapidly increased at first; then medium-pressure process gas in the gas loop is discharged into the pressure accumulator, the pressure accumulator carries out variable-volume expansion, and the reaction gas cylinder pressure in the gas loop is rapidly reduced; and finally the pressure accumulator compresses under the pressure action of drive gas of the pressure-stabilizing tank, and low-pressure process gas is driven to enter the diaphragm compressor to be compressed and pressurized into the inflation tank. The pressure accumulator separates the process gas from the drive gas by a metal bellows diaphragm, and carries out high-sealing-performance volume compensation and pressure buffer, and thewhole pressure adjustment system is sealed by an all-metal material. The high-sealing-performance rapid pressure adjustment system and method for the gas are used for fine chemical production for gas,process treatment for electronic gas, transient test for nuclear fuel power, and the like.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Graphene conductive composite filter cloth for electric sludge dewatering equipment and manufacturing method and installing and using methods of graphene conductive composite filter cloth
ActiveCN105797483AExtended service lifeReduce loss costsSludge treatment by de-watering/drying/thickeningSpecific water treatment objectivesFiberCore component
The invention discloses a graphene conductive composite filter cloth for electric sludge dewatering equipment and a manufacturing method and installing and using methods of the graphene conductive composite filter cloth. The manufacturing method comprises the steps that firstly, a stably-dispersed graphene dispersion solution is prepared; secondly, a filter cloth body is soaked in the graphene dispersion solution for 6-10 h and then taken out, and the soaked filter cloth body is roasted for 6-10 h at 80-160 DEG C; or, before the filter cloth body is woven, fiber monofilaments are put into the graphene dispersion solution to be soaked for 0.5-5 h or pass through the graphene dispersion solution, graphene is attached to the fiber monofilaments, then the filter cloth body is woven, and the graphene conductive composite filter cloth is manufactured. The graphene conductive composite filter cloth is installed on an anode filter frame of plate frame type filter pressing equipment and connected with the positive electrode of a direct-current power supply and serves as an electric anode. The graphene composite is excellent in conductivity and has very high chemical and electrochemical corrosion resistance when serving as the anode material. The graphene anode material and the filter cloth body are integrated, and the structure of core assemblies of the equipment is simplified.
Owner:SHANGHAI TECHASE ENVIRONMENT PROTECTION
Handheld maintenance lamp
ActiveCN103851578ASolution to short lifeImprove fragilePoint-like light sourceLighting support devicesEngineeringFluorescent light
The invention relates to the field of lighting technology and provides a handheld maintenance lamp. The handheld maintenance lamp comprises a columnar light source support, a first LED (light emitting diode) light source assembly arranged on the outer wall of the light source support, a transparent cover arranged outside the first LED light source assembly, a protecting mesh cover covering the transparent cover, and a driving device which is arranged under the light source support and used for driving the first LED light source assembly. The light source support is axially provided with an accommodating cavity, and a vertically-retractable hook is mounted inside the accommodating cavity. According to the handheld maintenance lamp, the LED light source is long in service life and highly reliable, so that the problem of frangibility of fluorescent light sources of existing maintenance lamps; the protecting mesh cover can protect the transparent cover and avoid breakage of the transparent cover when the maintenance lamp falls off; the hook structure embedded inside the accommodating cavity fundamentally solves the potential risk existing in existing lamps due to the fact that hooks are fixed to the head portions; meanwhile, the driving device is arranged under the light source, so that handholding operation can be facilitated, and meanwhile, the whole handheld maintenance lamp is compact in structure and safe and convenient to use.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1
Method for obtaining high-pearlite high-tenacity nodular cast iron crankshaft
InactiveCN101921903BReduce consumptionLow costFurnace typesHeat treatment furnacesAfter treatmentPearlite
Owner:荆州环宇汽车零部件有限公司
A kneading knife for an extruder
ActiveCN103892426BImprove qualityReduce manufacturing costFeeding-stuffFood shapingEngineeringMechanical engineering
Owner:TSZJANSU CHZHEHNCHAN SIRIEHL OIL EHND FID MASHINERI KO
Evaporating cavity lining device, evaporating system thereof and evaporating device
ActiveCN110284108AGuaranteed evaporation rate stabilityReduce loss costsVacuum evaporation coatingSputtering coatingMechanical engineeringSemiconductor
The invention relates to the technical field of semiconductor technology, in particular to an evaporating cavity lining device, an evaporating system thereof and an evaporating device. The evaporating cavity lining device comprises a cavity assembly, wherein the cavity assembly comprises a first shell and a second shell; the first shell is provided with a first opening end and a second opening end arranged oppositely; the first opening end is externally connected with the evaporating device; a steam passage allowing steam to circulate is formed in the first shell; the second shell communicates with the second opening end; and a material storing area for storing the steam from the steam passage is formed in the second shell. The evaporating cavity lining device can ensure that the evaporating device warms organic material in advance, and the situation that the evaporated material enters an evaporating area to interfere with a base plate is avoided.
Owner:SUZHOU QUINGYUE OPTOELECTRONICS TECH CO LTD
Handheld maintaining lamp
InactiveCN103851342ASolution to short lifeImprove reliabilityLighting support devicesPoint-like light sourceEngineeringFluorescent light
The invention relates to the technical field of lighting and provides a handheld maintaining lamp which comprises a columnar light source support, a light-emitting diode (LED) light source assembly fixed on a part of the lateral wall of the light source support, a transparent cover arranged on the outside of the LED light source assembly and a driving device arranged under the light source support and used for driving the LED light source assembly. A containing groove is formed in the other part of the lateral wall of the light source support far away from the LED light source assembly, and a hook capable of being overturned vertically and movably is arranged in the containing groove. An LED light source is long in service life and good in reliability, and the shortcoming that the existing maintaining lamp adopts a fluorescent light source and is easy to break is overcome. The hook structure is built in the containing groove, the hook can be pulled out when required, and the hook is overturned downwards automatically into the containing groove under the gravity when hanging is not required. Safety hazards caused by the fact that the hook is fixed at the head portion of the existing lamp are avoided. The driving device is arranged under the light source in the maintaining lamp structure, handheld operation is facilitated, and the whole lamp is compact in structure and safe and convenient to use.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1
A thermal processing automatic cylinder clamping mechanism
The invention discloses an automatic hot-working steam cylinder clamping mechanism. The automatic hot-working steam cylinder clamping mechanism comprises a spindle, a main support, a rotary support, a feeding clamp, a discharging clamp, a steam cylinder support and a steam cylinder, wherein the spindle and the steam cylinder support are mounted at two ends of the main support respectively, and the rotary support is assembled on the spindle through a bearing; the feeding clamp and the discharging clamp are mounted at two clamping ends of the rotary support respectively. The automatic hot-working steam cylinder clamping mechanism has the advantages that by application of the main aluminum alloy support with a cooling channel, the JFB solid inlaid graphite bearing and the asymmetric replaceable clamps, stability of the clamping mechanism is improved greatly, the clamping mechanism can run stably in high-temperature and high-dust-content severe environments and is long in service life and low in fault rate, working efficiency of automatic production is improved, and the fault rate is reduced.
Owner:CHINA RAILWAY LONGCHANG MATERIALS
A kind of material for vulcanization mold surface treatment and its preparation method and application
The invention discloses a material for surface treatment of vulcanization molds, its preparation method and application. The material is composed of thermosetting acrylic resin, silane coupling agent, silanol oligomer, carbodiimide, inorganic oxide , deionized water and silicone polyoxyethylene ether are composed according to a specific ratio. Experiments have proved that the material of the present invention can be coated on the surface of metal molds at room temperature without special equipment, simple and quick to operate, easy to construct and independently complete the coating operation, and the bonding force between the coating film and the surface of the metal mold is strong, and has a low surface area. Excellent performance of hydrophobic and oleophobic, which can reduce or eliminate the use of release agent, and also has a good anti-rust effect, which significantly prolongs the mold washing cycle and mold service life, and significantly reduces the number of mold washing and enterprise costs. ; Moreover, the material is a water-based product, does not contain solvents, and is safe for transportation, storage, and construction; it is especially valuable for tire manufacturers to achieve energy conservation and environmental protection.
Owner:上海凯陆高分子材料有限公司
A handheld maintenance light
ActiveCN103851578BSolution to short lifeImprove fragilePoint-like light sourceLighting support devicesHand heldEngineering
The invention relates to the field of lighting technology and provides a handheld maintenance lamp. The handheld maintenance lamp comprises a columnar light source support, a first LED (light emitting diode) light source assembly arranged on the outer wall of the light source support, a transparent cover arranged outside the first LED light source assembly, a protecting mesh cover covering the transparent cover, and a driving device which is arranged under the light source support and used for driving the first LED light source assembly. The light source support is axially provided with an accommodating cavity, and a vertically-retractable hook is mounted inside the accommodating cavity. According to the handheld maintenance lamp, the LED light source is long in service life and highly reliable, so that the problem of frangibility of fluorescent light sources of existing maintenance lamps; the protecting mesh cover can protect the transparent cover and avoid breakage of the transparent cover when the maintenance lamp falls off; the hook structure embedded inside the accommodating cavity fundamentally solves the potential risk existing in existing lamps due to the fact that hooks are fixed to the head portions; meanwhile, the driving device is arranged under the light source, so that handholding operation can be facilitated, and meanwhile, the whole handheld maintenance lamp is compact in structure and safe and convenient to use.
Owner:SHENZHEN OCEANS KING LIGHTING ENG CO LTD +1
A cobalt complex recovery method for simultaneous flue gas desulfurization and denitrification by cobalt ammonium absorbent
ActiveCN106268184BLess net lossHigh recovery rateGas treatmentDispersed particle separationRecovery methodAcid dissolution
Disclosed is a cobalt complex recycling method for a cobalt ammonia absorbent for simultaneous flue gas desulfurization and denitrification, comprising the following steps: 1) spent waste cobalt-containing absorbent in the process of the simultaneous removal of SO2 and NOx in an industrial boiler being subjected to solid-liquid separation and recycling by a microfiltration, ultrafiltration or microfiltration-ultrafiltration combination device (1) to obtain a permeate and a retentate after microfiltration and ultrafiltration, wherein the permeate is then further concentrated by a nanofiltration device (2) to obtain a permeate and a retentate after nanofiltration; 2) the retentate after microfiltration and ultrafiltration and the retentate after nanofiltration entering a pyrolysis device (3) for pyrolysis to obtain cobaltous oxide, wherein the cobaltous oxide is added to an acid dissolution device (4) and mixed with an acid solution to form a cobaltic acid solution; and 3) the permeate filtered by the nanofiltration device (2) and containing NH3.H2O and NH4 +, as a chelating reagent, together with a pH buffering agent, being fed into a mixing device (5), and being mixed with the cobaltic acid solution formed in step 2) and supplementary ammonia water in the mixing device (5) to produce a hexaammine cobalt complex for recycling.
Owner:TSINGHUA UNIV +1
Material for surface treatment of vulcanization mold and preparation method and application thereof
The invention discloses a material for surface treatment of a vulcanization mold and a preparation method and application thereof. The material is composed of thermosetting acrylic resin, silane coupling agent, silanol oligomer, carbodiimide, inorganic oxide, deionized water and silicone polyoxyethylene ether according to a specific proportion. Experiments prove that the material can be coated onthe surface of a metal mold at room temperature, special equipment is not needed, the operation is simple and quick, and the coating operation is easy to construct and independently complete; the binding force between the coating film and the surface of the metal mold is strong, the coating film has low surface energy, the hydrophobic oleophobic property is excellent, and the use of the release agent can be reduced or eliminated; and meanwhile, a good anti-rust effect is achieved, so that the mold washing period and the service life of the mold are obviously prolonged, and the number of mold washing and the cost of the enterprise are obviously reduced. Moreover, the material is an aqueous product, free of solvents, and safe in transportation, storage and construction; and in particular, the material has significant value for tire manufacturers to achieve energy conservation and environmental protection.
Owner:上海凯陆高分子材料有限公司
Automatic sorting instrument for small medical instrument suckers
PendingCN113716116AShorten the timeAvoid pollutionPackaging automatic controlEngineeringApparatus instruments
The invention discloses an automatic sorting instrument for small medical instrument suckers. The automatic sorting instrument comprises an automatic feeding mechanism, a transmission guide rail mechanism, an automatic grabbing and placing mechanical arm mechanism, a gun box placing mechanism and a horizontal displacement XY-axis mechanism which are connected in sequence, wherein the transmission guide rail mechanism comprises a stacked sucker separating mechanism and a sucker positioning mechanism, a gear synchronous belt and a plurality of rack automatic transmission suckers installed on the gear synchronous belt are installed in the automatic feeding mechanism, the gear synchronous belt is connected to the transmission guide rail mechanism, an optical fiber sensor is installed on the sucker positioning mechanism in a transmission guide rail on the transmission guide rail mechanism, the optical fiber sensor transmits a collected sucker position signal to the automatic grabbing and placing mechanical arm mechanism, the gun box placing mechanism is provided with a sucker box, and the automatic grabbing and placing mechanical arm mechanism is connected to the horizontal displacement XY-axis mechanism.
Owner:ZHEJIANG UNIV
Evaporation chamber lining device, evaporation system, and evaporation device
ActiveCN110284108BGuaranteed evaporation rate stabilityReduce loss costsVacuum evaporation coatingSputtering coatingEvaporation (deposition)Engineering
The invention relates to the technical field of semiconductor technology, in particular to an evaporation chamber lining device, an evaporation system, and an evaporation device. The evaporation chamber lining device provided by the present invention includes a chamber assembly, and the chamber assembly includes, a first shell having a first open end and a second open end oppositely arranged, and the first open end The evaporation device is externally connected, and a steam channel suitable for steam circulation is formed in the first housing; a second housing is communicated with the second open end, and a channel for retaining steam from the steam channel is formed in the second housing. Material storage area. The evaporation chamber lining device provided by the present invention can ensure that the evaporation device can raise the temperature of the organic material in advance, without worrying that the evaporated material will enter the evaporation area and cause interference to the substrate.
Owner:SUZHOU QUINGYUE OPTOELECTRONICS TECH CO LTD
Anode material of electric/high pressure coupling elastic press and its installation and use method
ActiveCN106277694BExtended service lifeReduce loss costsSpecific water treatment objectivesElectrochemical sludge treatmentElectro conductivityCarbon fiber composite
Owner:SHANGHAI TECHASE ENVIRONMENT PROTECTION
Graphene conductive composite material filter cloth for electric sludge dewatering equipment and its manufacturing method, installation and use method
ActiveCN105797483BExtended service lifeReduce loss costsSludge treatment by de-watering/drying/thickeningSpecific water treatment objectivesFiberCore component
The invention discloses a graphene conductive composite filter cloth for electric sludge dewatering equipment and a manufacturing method and installing and using methods of the graphene conductive composite filter cloth. The manufacturing method comprises the steps that firstly, a stably-dispersed graphene dispersion solution is prepared; secondly, a filter cloth body is soaked in the graphene dispersion solution for 6-10 h and then taken out, and the soaked filter cloth body is roasted for 6-10 h at 80-160 DEG C; or, before the filter cloth body is woven, fiber monofilaments are put into the graphene dispersion solution to be soaked for 0.5-5 h or pass through the graphene dispersion solution, graphene is attached to the fiber monofilaments, then the filter cloth body is woven, and the graphene conductive composite filter cloth is manufactured. The graphene conductive composite filter cloth is installed on an anode filter frame of plate frame type filter pressing equipment and connected with the positive electrode of a direct-current power supply and serves as an electric anode. The graphene composite is excellent in conductivity and has very high chemical and electrochemical corrosion resistance when serving as the anode material. The graphene anode material and the filter cloth body are integrated, and the structure of core assemblies of the equipment is simplified.
Owner:SHANGHAI TECHASE ENVIRONMENT PROTECTION
Tongs for wrapping and riveting arm rod and scraping rod of automobile windscreen wiper
The invention discloses a pair of tongs for wrapping and riveting an arm rod and a scraping rod of an automobile windscreen wiper and belongs to the technical field of automobile manufacturing. The pair of tongs comprises a hydraulic cylinder, a fixed plate, a Y-shaped joint, a tray, tong handles, a die, a base block, a piston rod, the arm rod and the scraping rod, wherein the hydraulic cylinder outwards exerts a force to the piston. The pair of tongs is characterized in that the hydraulic cylinder is fixed to the fixed plate, the Y-shaped joint is arranged under the fixed plate, the piston rod is connected with the Y-shaped joint through a thread, the tray is arranged under the Y-shaped joint, the Y-shaped joint is connected with the tray together through a hinge pin, the tong handles arearranged under the tray, the tray is connected with the tong handles through connecting rods, the die is arranged below the tong handles and is connected with the tong handles together through bolts,the upper portion of the die is provided with the base block, the die rotates jointly with the tong handles, and the die and the base block simultaneously extrude the arm rod, so that the arm rod isbent to be wrapped and riveted together with the scraping rod. Only several seconds are needed in the whole process, and the pair of tongs is simple in operation, capable of saving time and labor andlow in cost loss and can the demand for large-batch production.
Owner:JIANGSU YUNRUI AUTOMOBILE ELECTRIC SYST CO LTD
Gas high-sealing low-loss pressurizing system and method
InactiveCN110469492AReduce consumptionConvenient compression boost operation capabilityPump installationsPositive-displacement liquid enginesRadioactive gasMetallic materials
The invention discloses a gas high-sealing low-loss pressurizing system and method. The system is composed of a low-pressure tank, a vacuum pump, a pressure accumulator, a diaphragm compressor, a high-pressure tank, valves, pipelines, instruments and the like. As the vacuum pump vacuumizes the low-pressure tank with the fixed volume, low-pressure process gas is exhausted and then fed into the pressure accumulator with the variable volume, the process gas is fed into the metal diaphragm compressor through the pressure accumulator to be compressed and exhausted into the high-pressure tank, the dual functions of vacuumizing and compression are achieved, and gas residues are reduced. Variable volume compensation is carried out by the pressure accumulator through a metal corrugated pipe diaphragm, and the requirements of an outlet of the vacuum pump and a compression inlet of the metal diaphragm for the pressure of the process gas are guaranteed. The whole pressurizing system is sealed by an all metal material, and gas leakage and permeation are reduced. The system and method are used for carrying out compression pressurization, volume reduction storage, transportation and the like on various kinds of high-purity gas, expensive gas, dangerous gas and radioactive gas.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Method and system for transmitting and reading middle and primary school textbook contents
InactiveCN101281689BGuarantee authorityEnsuring Copyright ProtectionStore-and-forward switching systemsElectrical appliancesElectronic bookLibrary science
The invention provides a method and a system for transmitting the school textbook content and reading for the individual, which transmits the textbook content through the network and / or the electronic storage medium, uses the project e-book with low cost as the reading carrier and tools for the school textbook, and sets up the unique textbook download granting code and the read-only storage area to effectively transmit the textbook and maintain the authority and the integrality of the textbook, thereby providing a new technical medium for the policy and the measurement of providing the textbook for free in the compulsory education stage, which not only saves the book depletion expenses, but also realizes the periodic duty of the project e-book, with low cost and environmental protection, meanwhile avoids the book disinfection, the defect of the distribution of the new and the old books.
Owner:程浩川
Tool for cutting dry ice and cutterhead provided with same
InactiveCN109174370AExcellent machinabilityReduce the risk of chippingGrain treatmentsDry iceStructural engineering
The invention provides a tool for cutting dry ice. The tool comprises a tool body. A front tool face, a back tool face and a cutting edge are formed on the tool body. The geometrical parameters of thetool comprise five mark angles: front angle gamma0, back angle alpha0, tool cutting edge inclination lambdas, tool cutting edge angle Kr and end cutting edge angle Kr', and the front angle gamma0 is5-20 degrees and the back angle alpha0 is 5-20 degrees; by selecting reasonable front angle gamma0 and back angle alpha0, the tool for cutting dry ice has a good cutting property, and meanwhile, the risk of tipping of the tool is reduced, the service life of the tool is prolonged, and therefore, the cost of tool loss is reduced. The invention also provides a cutterhead provided with the tool. Stress of the cutterhead cutting dry ice is dispersed to three cutting areas and the cost of tool loss is reduced, so that the cost of dry ice cleaning is further lowered.
Owner:HUAQIAO UNIVERSITY
Method, device and storage medium for evaluating line operation efficiency of distribution network
ActiveCN109492957BAccurate operating efficiencyReduce loss costsResourcesSystems intergating technologiesComputer scienceDistribution grid
The invention discloses a method for evaluating the operating efficiency of a distribution network line, which includes calculating the optimal load of the distribution network line and the available load of the distribution network line according to the received historical operation data, and calculating the optimal load, available load, The rated power of the distribution network line and the actual load of the distribution network line calculate the reference load level value and the actual load level value of the distribution network line respectively, and the ratio of the actual load level value to the reference load level value is the distribution network line Operating efficiency, the calculated operating efficiency comprehensively considers the load value of the minimum loss cost of the distribution network line under the ideal state, the maximum load of the distribution network line under the consideration of the reserve capacity, the rated load and the actual load of the distribution network line, thus The calculated operating efficiency can more accurately evaluate the operating efficiency of distribution network lines. The present invention also provides an evaluation device and a storage medium for the operation efficiency of distribution network lines, which have the above beneficial effects.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD +1
Simple mechanism for testing cycle indexes of springs of windscreen wipers
InactiveCN109596334AEasy to operateReduce loss costsVehicle testingMachine part testingInterference fitComputer engineering
The invention discloses a simple mechanism for testing cycle indexes of springs of windscreen wipers. The simple mechanism comprises a main frame, a motor, a big belt wheel, an eccentric shaft, a connection rod, a lower sliding block, a lower die, a spring, an upper die, an upper sliding block, guide pillars, a lead screw, a handle and a hand wheel, wherein the motor, the big belt wheel and the eccentric shaft are arranged on the main frame; a dividing ruler is arranged on the main frame; four guide pillars are arranged on the main frame; eight guide sleeves are arranged on the guide pillars;the excircles of the guide sleeves are respectively in interference fit with the upper sliding block and the lower sliding block; the upper sliding block can be adjusted through the lead screw; and through the upper sliding block, the scale on the main frame can be read. An operator takes a spring; one end of the spring is hung on the upper sliding block and the other end is hung on the lower sliding block; through adjusting the upper sliding block, the spring is pre-tightened; and when the upper sliding block is adjusted to a required scale, the motor can be started to carry out test, so thatthe operation is simple, the time and labor are saved, the depletion expense is low, and the spot check of batch springs is satisfied.
Owner:JIANGSU YUNRUI AUTOMOBILE ELECTRIC SYST CO LTD
A high-tight gas-tight rapid pressure regulation system and method
ActiveCN110500503BImprove the technical capability of power transient testAbsorb morePipeline systemsThermodynamicsSurge tank
The invention discloses a gas high-tightness rapid pressure regulation system and method. It is composed of gas circuit, pressure accumulator, surge tank, diaphragm compressor, gas filling tank, valves, pipes and instruments. First, the high-pressure process gas in the inflatable tank is directly inflated into the gas circuit to quickly increase the pressure of the reaction gas barrier in the gas circuit; then the medium-pressure process gas in the gas circuit is released to the pressure accumulator, and the pressure accumulator is expanded to a variable volume, quickly Reduce the reaction gas barrier pressure in the gas circuit; finally, the pressure accumulator is compressed under the driving gas pressure of the surge tank, and the low-pressure process gas is driven into the diaphragm compressor to be compressed and boosted to the inflatable tank. The pressure accumulator uses a metal bellows diaphragm to separate the process gas and the driving gas for high-tight volume compensation and pressure buffering. The entire pressure regulating system is sealed with all metal materials. The invention is used for gas fine chemical production, electronic gas process treatment, nuclear fuel power transient test and the like.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
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