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141results about How to "Block in time" patented technology

Novel ceramic coating polyolefin composite film and preparation method thereof

The invention relates to a novel ceramic coating polyolefin composite film which comprises a polyolefin substrate with micro pores, wherein one side or both sides of the polyolefin substrate is/are compounded with ceramic coating(s); the ceramic coating comprises porous ceramic particles, an inorganic filler and an adhesive. The invention also relates to a method for preparing the novel ceramic coating polyolefin composite film. The method comprises the following steps: a, dissolving the adhesive in a solvent, thereby preparing an adhesive solution; b, adding the porous ceramic particles and the functional inorganic filler into the adhesion solution prepared in the step a, and performing dispersing treatment, thereby preparing coating slurry; and c, coating one or two surfaces of the polyolefin substrate with the coating slurry prepared in the step b, and drying and curing to prepare the product. The novel functional composite film has high liquid absorption and retention performance, has the functions of reducing harmful gases inside a battery, improving the performance of the battery and prolonging the service life of the battery, and has the safety characteristics of low closed pore temperature, high melting temperature and low hot-shrinkage rate.
Owner:河南惠强新能源材料科技股份有限公司

Basic electricity fee error detection method and system based on power grid charging system

The invention discloses a basic electricity fee error detection method and a system based on a power grid charging system. The detection method comprises steps of anomaly analysis on capacity and demand and electricity consumption logic errors, line and transformer loss demand errors, capacity and demand comparison basic electricity fee errors, newly-installed user basic electricity fee errors, transformer pause errors, separate account avoidance basic electricity fee errors and error integration on electricity consumption charging data of the user in the power grid charging system sequentially. The detection system comprises a data acquisition unit, a capacity and demand and electricity consumption logic error detection unit, a line and transformer loss demand error detection unit, a capacity and demand comparison basic electricity fee error detection unit, a newly-installed user basic electricity fee error detection unit, a transformer pause error detection unit, a separate account avoidance basic electricity fee error unit and an error integration units totally corresponding to the basic electricity fee error detection method. Thus, the method and the system of the invention have the advantages that the basic electricity fee error anomalies can be accurately judged, the outstanding problems can be quickly found out and solved timely, and electricity fee errors can be effectively reduced.
Owner:STATE GRID HUNAN ELECTRIC POWER +2

336 VDC direct current uninterruptible power system and power supply method

The invention provides a 336 VDC direct current uninterruptible power system and a power supply method. A 24-pulse main transformer rectifier is used for converting a mains supply alternating current power supply into a 336 VDC direct current power supply as a system main power supply. A high-frequency switch precision charger of the system is used for charging and maintaining a system backup battery pack to be used as a system emergency backup power supply. A high-speed direct current static switch module determines the high-speed switching of being powered by a mains supply main circuit through electrical loads or being powered by the emergency backup power supply according to the quality condition of a mains supply. The 336 VDC direct current uninterruptible power system is made to supply an uninterruptible power supply for IT communication equipment, exchange equipment, a computer instrument control device, an illuminating device and the like of original three-phase alternating currents. The backup battery pack is in a charging and maintaining state at ordinary times, and is only started to be used during system emergency power supplying, therefore, the service life of a storage battery is prolonged, and the reliability and the fault tolerance of the system are improved. The 24-pulse main transformer rectifier can greatly decrease harmonic currents injected to a grid side by the system, and the requirement for relevant standards in China is satisfied.
Owner:王良根

Intelligent logistics cabinet

The invention discloses an intelligent logistics cabinet comprising a logistics cabinet body; the logistics cabinet body comprises a plurality of storage boxes with an opening formed in one side and apartition plate; an express door is rotationally mounted on one side of each storage box; supporting legs are fixedly mounted at the four corners of the bottom of the logistics cabinet body correspondingly, a mounting groove is formed in the bottom of the logistics cabinet body, a plurality of vent holes are formed in the inner wall of the bottom of the logistics cabinet body and all communicatewith the mounting groove, a first groove with an opening formed in one side is formed in the bottom of the partition plate, and the first groove communicates with the logistics cabinet body. The intelligent logistics cabinet is reasonable in design and convenient to operate; the vent holes can be conveniently blocked in time, so that rainwater is prevented from entering the logistics cabinet bodythrough the vent holes to damage electronic components and objects in the logistics cabinet body in rainy days, and the maintenance cost is reduced; and an air blower is arranged, so that the heat dissipation efficiency of the logistics cabinet body is improved while the components are blow-dried, the use requirements are met, and use is facilitated.
Owner:CHONGQING VOCATIONAL COLLEGE OF TRANSPORTATION

Linear machining runner for location and transplanting

PendingCN110665856AProduct location is accurateUnavoidable wasteAssembly machinesSortingEngineeringMachining
The invention discloses a linear machining runner for location and transplanting. The linear machining runner for location and transplanting comprises a support frame, a rubber core runner, a staggered feeding assembly, a transplanting device, location devices and a front-end defective product recovery assembly, wherein the rubber core runner is formed in the upper end of the support frame; a straight-vibration loader is arranged at a charge port of the rubber core runner in a butting manner; the staggered feeding assembly is arranged at the left side of the rubber core runner; the transplanting device is arranged below the rubber core runner; the location devices are equidistantly arranged at the upper end of the rubber core runner; and the front-end defective product recovery assembly isarranged at the right side of the rubber core runner. Through the manner, due to the arrangement for the staggered feeding assembly, blocking for the next product to be loaded in time during loadingcan be ensured; products on a whole rail can be transplanted, and all the products can be uniformly located, so that the accurate positions of the products at each workstation after the transplantingare ensured; and defective products at a front end can be discharged, so that waste for materials in a rear section is avoided.
Owner:SUZHOU E CONN TECH

3D printing head for material extrusion molding

The invention discloses a 3D printing head for material extrusion molding. The 3D printing head comprises a wire feeding cavity, a thimble cavity, a sealing thimble, a printing nozzle, a heating module, a limiting plug, a return spring, an upper end cover and an electromagnet; the heating module is mounted at the bottom of the thimble cavity; the bottom of the heating module is the printing nozzle; the wire feeding cavity, the thimble cavity, an inner channel of the heating module and the printing nozzle form a feeding channel; the top of the thimble cavity is the upper end cover; the electromagnet is mounted on the upper end cover; the sealing thimble, the limiting plug and the return spring are all arranged in the thimble cavity; under the effects of the electromagnet and the return spring, the limiting plug can drive the sealing thimble to act up and down; when the electromagnet is electrified, the limiting plug drives the sealing thimble to lift to a high point, and at this time, the bottom end of the sealing thimble is deviated from the printing nozzle; and when the electromagnet loses power, the limiting plug drives the sealing thimble to descend to a low point under the effect of the return spring, and at this time, the bottom end of the sealing thimble blocks the printing nozzle to stop discharging.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE

Novel agitation vat and construction method applied to fracture grouting of civil engineering

The invention discloses a novel agitation vat and a construction method applied to fracture grouting of civil engineering, relates to the technical field of the civil engineering, and particularly relates to a novel agitation vat and a construction method applied to fracture grouting of the civil engineering. The novel agitation vat comprises an agitation container and a power device; the power device is arranged inside the agitation container; an additive container device is installed at the upper portion of a steel bracket; and the power device comprises a motor, a belt, a rotating wheel, astirring rod fixing device, a stirring rod and an impeller. The novel agitation vat and the construction method applied to fracture grouting of the civil engineering can control the proportion of an additive in a fracture grouting process, can also stop or use mixed grout immediately in order to seal wide and large cracks so that more thin and weak surfaces are fractured to form grout veins, thusthe aim of reinforcing the foundation is realized; time is saved; labor and materials are saved; the construction conditions are improved; and formation of a novel working method can be promoted, so the construction technique for fracture grouting is more advanced.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Construction method of earth pressure balance shield arrival in subsurface tunnel in complex formation

The invention provides a construction method of earth pressure balance shield arrival in a subsurface tunnel in a complex formation. The construction method comprises the following steps that S1) isolated stone and/or a boulder region in the formation is determined through physical detection, the isolated stone and/or a boulder in the region are separated through breaking holes; S2) the shield arrival end head in the subsurface tunnel is reinforced to form an end head reinforcing region; S3) the shield launching and tunneling are carried out, before a shield tunneling machine reaches a presetdistance position distanced from the end head of the subsurface tunnel, the subsurface tunnel of the preset distance section is manually excavated, and a concrete retaining wall is constructed at a tunnel face of the preset arrival position of the shield tunneling machine, a tunnel is closed; S4) the soil body reinforcement condition and the water seepage condition of a tunnel wall are determinedthrough an observation hole, and corresponding treatment is carried out; S5), the shield tunneling machine is continuously excavated and penetrates through the concrete retaining wall, after the shield tunneling machine enters the end head reinforcing area and reaches the stop position, the shield tunneling machine is stopped, and gaps between a shield body of the shield tunneling machine and thetunnel wall are filled through grouting operation; and S6) the shield tunneling machine is subjected to in-tunnel shell abandoning and disassembly operation.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

Design method of self-collapsing dike flood diversion channel

PendingCN110889151APreventing or reducing dam failure disastersSolving the problem of self-defeating uncertaintyGeometric CADSoil scienceGeomembrane
The invention discloses a design method of a self-collapsing dike flood diversion channel, and belongs to the field of national defense of water conservancy projects of non-normal spillway projects and flood diversion gates and water attack response of dikes. The method comprises a self-bursting dam (1-), a flood diversion channel (2), a self-collapsing dike disaster prevention and reduction design theory and an over-standard flood dike disaster prevention and reduction theory. The self-bursting dam (1-) comprises a self-bursting geotechnical plate impervious wall self-bursting dam, a self-bursting geotechnical membrane cloth impervious curtain self-bursting dam, a self-bursting geotechnical plate membrane cloth impervious curtain body sub-dam guiding and flushing self-bursting dam, a flooding undermining guiding and flushing self-bursting dam, a partition clay impervious body self-bursting dam and a high-weir overflow slow self-bursting dam, a self-bursting geotechnical plate membranecloth anti-seepage curtain body guiding and flushing opening self-bursting dam and a flooding and confluence guiding and flushing self-bursting dam. The flood diversion channel (2) comprises a reinforced concrete flood diversion channel, a reinforced concrete flood diversion gateway and a geosynthetic material flood diversion channel. The invention is simple in structure, low in cost, convenientto manage and suitable for automatic flood diversion of any water head dam.
Owner:叶兴

Opening fiber pneumatic packing device

InactiveCN103587733ACompact structureReduce transshipment processSolid materialHigh pressureFiber
The invention discloses an opening fiber pneumatic packing device. The opening fiber pneumatic packing device comprises a machine frame, wherein the machine frame, the front wall, the rear wall, the left side wall, the right side wall, a top cover and a bottom board are connected to form an internal sealed cavity, the top cover of the machine frame is provided with a first air cylinder, the left side wall of the machine frame is provided with a controller, a first air magnetic exchange valve, the controller is connected with a motor of a cyclone collector, the first air magnetic exchange valve is connected with the controller, and a high-pressure air source is connected with the first air cylinder through the first air magnetic exchange valve. The rear wall is provided with an air inlet which is connected with an opening fiber air outlet pipe of the cyclone collector, a movable connecting rod of the first air cylinder is connected with a fiber pressing plate, the outline of the fiber pressing plate is matched with the inner wall of the internal sealed cavity, the fiber pressing plate vertically moves in the internal sealed cavity, the upper portion of the front wall is provided with a cavity air outlet provided with a fiber filter screen, the cavity air outlet is connected with a pipeline, and an air exhaust pipe is connected with a dust collecting bag. Fibers are packed timely, the environment of a production field is good, and production cost and labor intensity are lowered.
Owner:SHANDONG PROVINCE WINSON NON WOVEN MATERIALS

Adjustable attached type scaffold anti-falling support equipment and using method

The invention discloses adjustable attached type scaffold anti-falling support equipment and a using method, and belongs to the technical field of construction equipment. The device comprises a fixing frame, a base is arranged at the bottom of the fixing frame, a groove is formed in the base, an anchoring plate is movably connected to the inner wall of the groove of the base, the section of the anchoring plate is in an inverted-T shape, and two sliding grooves are symmetrically formed in the outer wall of one side of the fixing frame; and the inner walls of the two sliding grooves are movably connected with the same pressing seat, a groove is formed in the outer wall of the bottom of the pressing seat, two round holes are symmetrically formed in each of the pressing seat and the base, and the inner walls of the round holes are movably connected with limiting rods. The fixed type fixing frame is firstly fixed to the wall, the anchoring plate is installed in the fixing frame, assemblies for fixing the anchoring plate are easy to disassemble, overall disassembly, overhaul and fixation of the anchoring plate are facilitated, and the situation that when anti-falling equipment is overhauled, screws are frequently disassembled, so that the overall stability of the equipment becomes poor in the later period, and the anti-falling effect is reduced is avoided.
Owner:CHINA MCC17 GRP
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