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114results about How to "Does not affect thickness" patented technology

Fuel cell pile online regional detection system and method

The invention relates to a fuel cell pile online regional detection system and a fuel cell pile online regional detection method. The detection system comprises piles, PCBs, a data acquisition device and a computer; the PCBs are arranged in the piles; the input end of the data acquisition device is connected with the PCBs; and the output end of the data acquisition device is connected with the computer. The detection method comprises the following steps that: a plurality of PCBs are adopted to replace single-body anode boards, and sealing is performed; hydrogen, air and water are led into the piles, so that the piles can work normally; after the piles can work normally, regional current density signals, temperature signals and single-body voltage signals measured by the PCBs are acquired by the data acquisition system, and data processing results are transmitted to the computer; and the computer converts received data into a two-dimensional distribution graph and displays the graph, and therefore, regional properties of the piles can be detected in an online manner. Compared with the prior art, the fuel cell pile online regional detection system and method of the invention are advantageous in basic avoidance of pile structure modification, a large number of detected performance parameters, intuitive display of measurement results, wide application and the like.
Owner:TONGJI UNIV

Prefabricated concrete structure connecting method

The invention relates to a prefabricated concrete structure connecting method, which comprises the following steps that (1) a steel bar internal force converter is manufactured; (2) a steel bar is connected with one end of the steel bar internal force converter; (3) the steel bar and the steel bar internal force converter are positioned in a component according to design requirements; an anti-shearing groove is formed in the connecting end surface of the component; and concrete is cast to form a prefabricated component; (4) a connecting screw bolt between the steel bar internal force converters is selected; (5) when the manufacturing of the prefabricated components is completed and the prefabricated components are conveyed to a construction site to be installed, the connecting end surfaces of the two prefabricated components are attached and aligned; and at the time, the end surfaces of the steel bar internal force converters on the two prefabricated components are all attached and aligned; and (6) the screw bolt passes through a screw bolt connecting hole formed in each steel bar internal force converter and is tightened to the preset torque; and after all steel bar internal force converters are sequentially connected through the screw bolt, the two prefabricated components are also connected together. The invention provides the prefabricated concrete structure connecting method with the advantages that the process is simplified, and the reliability is high.
Owner:应义淼

Side edge folding method of lithium ion battery

The invention discloses a side edge folding method of a lithium ion battery. The side edge folding method comprises the following steps of: 1) adhering a side edge adhesive tape on the upper surface of the side edge of the lithium ion battery; 2) bending the single-side wrapped adhesive tape downwards to the lower surface of the side edge of the lithium ion battery so as to wrap the cross section of the side edge of the battery; 3) rolling the side edge adhesive tape adhered to the upper and lower surfaces of the side edge of the battery so as to eliminate bubbles in the adhesive tape; 4) respectively preheating the upper and lower surfaces of the side edge of the battery by using upper and lower preheating blocks; 5) rotating the lower preheating block so as to vertically bend the side edge of the battery towards a battery body, and adhering a double-surfaced adhesive tape to the side edge of the battery body; and 6) performing hot ironing on the two side surfaces of the battery, and performing the battery side edge treatment after the hot ironing is accomplished. By utilizing the side edge adhesive tape adhering process of the lithium ion battery, the side edge is firmly adhered to the battery body, so that the battery is prevented from opening when being stored and used, and moreover, an aluminum plastic shell is prevented from metal leakage; and not only is the size of the battery in the thickness direction saved, but also the energy density of the battery is increased.
Owner:TIANJIN LISHEN BATTERY

Dry unilateral-stretching production technology of lithium battery separator

The invention relates to the technical field of lithium battery separators and provides a dry unilateral-stretching production technology of a lithium battery separator. The dry unilateral-stretchingproduction technology of the lithium battery separator solves the problem that the hole size distribution of a lithium battery separator produced in the prior art is uneven. The dry method unilateralstretching production technology of the lithium battery separator comprises the following steps of (1) preparing materials, wherein polypropylene and ethylene-propylene copolymer are used as raw materials, pre-dried respectively and then put into a high-speed mixer to be stirred to uniform; (2) conducting melt extrusion, wherein the evenly mixed raw materials are fed into an extrusion machine andplastified into uniform melt, and the uniform melt is extruded from a slit die; (3) conducting tape casting film formation, wherein the melt undergoes tape casting and then forms a polypropylene basefilm, and the polypropylene base film undergoes traction and coiling; (4) conducting annealing treatment, wherein the coiled polypropylene base film is placed in a drying box to undergo annealing treatment; (5) conducting unilateral stretching, wherein the annealed polypropylene base film undergoes cold stretching and hot stretching; and (6) conducting heat setting, wherein heat setting is conducted on the polypropylene base film completing unilateral stretching, and after cooling and coiling, the lithium battery separator is obtained.
Owner:石狮申泰新材料科技有限公司

Corrosion-resistant treatment process of outer surface of nodular cast iron pipe

The invention discloses a corrosion-resistant treatment process of an outer surface of a nodular cast iron pipe, particularly relates to a corrosion-resistant treatment process of an outer surface of a nodular cast iron pipe, and aims at providing the corrosion-resistant treatment process of the outer surface of the nodular cast iron pipe with the advantages of improvement of corrosion-resistant property of the outer surface of the nodular cast iron pipe and prolonging of the service life of a pipeline. The corrosion-resistant treatment process of the outer surface of the nodular cast iron pipe comprises the following steps of annealing, finishing and grinding, water pressure test, coating of a cement mortar lining, steam curing of the cement mortar lining, grinding of the cement mortar lining, preheating of the pipeline, treatment of the outer surface of the pipeline, spraying of a sacrifice anode protecting coating, sealing of holes and spraying of a finishing layer, solidifying of the finishing layer, spraying of markers, and packaging and shipping. The new process has the beneficial effects that the problems of damage to the sacrifice anode protecting coating in the production procedure and consumption of active metal of the coating caused by the steam curing are solved, the attaching capability of the sacrifice anode protecting coatings, such as zinc layers, is improved, the corrosion-resistant property of the outer surface of the nodular cast iron pipe is improved, and the service life of a pipeline is prolonged.
Owner:XINXING DUCTILE IRON PIPES CO LTD

Battery core and method for manufacturing battery core, and lithium ion battery

PendingCN109659480AImprove cylindricityMeet the requirements of high rate charge and discharge performanceFinal product manufactureSecondary cellsEngineeringLithium-ion battery
The invention is applicable to the field of lithium ion batteries, and discloses a battery core and a method for manufacturing a battery core, and a lithium ion battery. The battery core comprises a core body having a hollow inner hole, and the core body comprises a first diaphragm, a negative electrode sheet, a second diaphragm and a positive electrode sheet. The positive electrode sheet comprises a positive electrode metal substrate, positive electrode ears and a positive electrode coating layer coating the positive electrode metal substrate. The negative electrode sheet comprises a negativeelectrode metal substrate, negative electrode ear and a negative electrode coating layer coating the negative electrode metal substrate. There are at least two positive electrode ears and negative electrode ears, and the positive electrode ears are located at the same side of the hollow inner hole in the radial direction of the core body, the negative electrode ears are located at the same side of the hollow inner hole in the radial direction of the core body, each positive electrode ear is integrated with the positive electrode metal substrate, and each negative ear is integrated with the negative electrode metal substrate. The coating areas of the coating layers on the pole sheets are added to improve the capacity of the lithium ion battery and improve the cylindricity of the battery core.
Owner:SHENZHEN ZHUONENG NEW ENERGY TECH

Novel smart phone with imaging spectrum detection function and spectrum detection method thereof

The invention discloses a novel smart phone with an imaging spectrum detection function and a spectrum detection method. The novel intelligent mobile phone with the imaging spectrum detection functioncomprises a light source, an optical lens, an imaging spectrum module, an electronic assembly, a transmission assembly and a PCB mainboard which are arranged in a mobile phone shell, wherein the light source is electrically connected with the PCB mainboard, the PCB mainboard is electrically connected with the transmission assembly, the transmission assembly is electrically connected with the electronic assembly, the electronic assembly is electrically connected with the imaging spectrum module, the optical lens is clamped on the imaging spectrum module, and the imaging spectrum module comprises a micro lens array, a spectrum modulation film layer and a photoelectric conversion part. The spectrum modulation film and the photoelectric conversion part are combined to form the imaging spectrum module, real-time, rapid and online detection of the spectrum of the to-be-detected substance is achieved through the smart phone, operation is easy in the detection application process, operation of professional technicians is not needed, and the system reliability is high.
Owner:JILIN QS SPECTRUM DATA TECH CO LTD

Processing method of interleaving paper product and interleaving paper

The invention discloses a processing method of an interleaving paper product. The processing method comprises the steps of: mixing polyacrylate with a fluorocarbon chain to generate a waterproof agent, and after leaching an auxiliary assistant, drying to generate a waterproof membrane; after reacting various paper pulp or virgin pulp with a papermaking assistant, baking and pressing to generate a paper surface layer; and pasting or fixedly bonding an isolating layer with the paper surface layer to effectively prevent water seepage and the like. The production process is simple, and the isolating layer is of a thin film structure, so that the thickness of the paper product cannot be affected, the production cost cannot be increased, and a wide range of promotion and use is convenient; According to the interleaving paper towel provided by the invention, the problem of preventing water seepage of various facial paper towels, wet paper towels, toilet paper and pharmaceutical paper can be effectively solved, the normal use of the paper towels cannot be affected due to the damage to the paper surface layer in the using process, meanwhile, the single-sided use of double-sided paper towels (comprising the wet paper towels) is satisfied, the negative effects such as permeation cannot be produced on the unused other side, and the purpose of the use of the double-sided paper is truly achieved, so that resources are effectively saved, and the interleaving paper towel has a wide marketization prospect.
Owner:东莞市无极净化用品科技有限公司

An MEMS bridge structure and a forming method thereof

The invention provides an MEMS bridge structure and a forming method thereof. The MEMS bridge structure comprises a substrate and a titanium-containing thin film layer located on the substrate, a silicon oxide film layer located on the titanium-containing film layer, and a composite film layer located on the silicon oxide film layer. The forming method of the MEMS bridge structure comprises the steps that a substrate is provided, and a titanium-containing thin film layer is formed on the substrate; a silicon oxide film layer is formed on the titanium-containing film layer; and a composite filmlayer is formed on the silicon oxide film layer. The stress of several films is neutralized by controlling the stress of the bridge structure: the films with multiple reaction stresses are added to be applied to the process with the bridge structure in the MEMS process, so that the bridge warpage caused by release of the bridge structure can be effectively reduced, and the subsequent packaging test is influenced. The thickness of the whole bridge structure is not affected, and meanwhile alignment of the follow-up photoetching process and control over a follow-up etching channel are facilitated. Due to the adoption of various composite films, the stress of the films is neutralized by the multilayer films, and the bridge is prevented from warping.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
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