108results about How to "Reduce adverse phenomena" patented technology

The invention relates to a liquid crystal display panel and a preparation method thereof. The liquid crystal display panel comprises a first substrate and a second substrate, wherein a plurality of spacers are formed between the first substrate and the second substrate; the spacers at least comprise a first spacer and a second spacer; the thermal expansion coefficient of the material adopted by the first spacer is less than the thermal expansion coefficient of liquid crystal; the thermal expansion coefficient of the material adopted by the second spacer is greater than the thermal expansion coefficient of the liquid crystal; and the first spacer and the second spacer are arranged in a spacing mode. The preparation method comprises the following steps: respectively preparing and forming the first spacer and the second spacer on one or two substrates, and folding the two substrates to form the liquid crystal display panel. In the invention, by the combined actions of the spacers of different materials, the integral thermal expansion coefficient of the spacers is approximate to the thermal expansion coefficient of the liquid crystal, thereby enhancing the capacity of the spacers in keeping the box thickness, reducing the adverse phenomena of high-temperature gravity water ripple and low-temperature air bubbles appearing on the liquid crystal display panel, and improving the display effect.

The invention relates to the technical field of lithium ion battery manufacturing, and particularly relates to a sorting and grouping method for lithium ion batteries. The sorting and grouping method is widely applied to sorting and grouping of battery packs of various types of electronic and electrical equipment such as small digital electrical appliances, electric bicycles and electric automobiles. The sorting and grouping method comprises the following steps: firstly, spraying codes on or numbering single batteries, and collecting first capacity, voltage and internal resistance of the single batteries; and aging the single batteries, collecting second voltage, internal resistance and recovery capacity of the single batteries, carrying out data statistics on grouping factors, establishing the grading standard of each grouping factor of the single batteries, determining the level of each grouping factor of each single battery, and selecting the grouping factors according to practical conditions to carry out sorting and grouping. The sorting process is simple, the requirement on sorting equipment is simple, and thus the sorting and grouping cost is reduced; the method has the function of preferably selecting battery packs with long service life, unqualified battery cores can be eliminated, and thus undesirable effects of produced battery packs can be reduced.

The invention relates to an internal combustion steam engine that is based on the internal combustion thermodynamic generator. The variable radiators are taken out from the traditional engine, while the warm keep cover, and heat absorbing water spray system formed by water tank, low pressure water pump, water cooling heat exchanger, high pressure pump, high water sprayer, are installed on the outside of traditional engine and connected through the water delivery pipe according to the above order, thereof, the high pressure water sprayer if installed on the high temperature part of the firebox; besides, by reforming the fuel atomization and spraying device onto the air-changing channel to make engine save energy and the more environment-protective.

The invention relates to a measure for enhancing electric transmission line tower footing frozen soil foundation stability. The measure is characterized in that gravity type heat pipes are buried on the periphery of a tower footing foundation of an electric transmission line, heat preservation materials are distributed on a horizontal layer on the periphery of a pile end and a pile body at the top of the tower footing foundation, and soil layers densely higher than an earth surface strap gradient are built above the earth surface and surrounding tower legs of the tower footing foundation, wherein strap gradient waterproof films are paved in the soil layers. The gravity type heat pipes and the heat preservation materials are effectively combined so that the practical use quantity of the gravity type heat pipes can be greatly reduced, project investment can be greatly reduced in terms of the project, construction difficulty is reduced, and construction period of project measures is shortened. In addition, in terms of overall efficacy, compared with a hot rod single measure, the measure for enhancing electric transmission line tower footing frozen soil foundation stability manyfold improves and radically changes the overall cooling efficiency of the electric transmission line tower footing frozen soil foundation and maintain long-period stability of the tower footing foundation.

The invention discloses a dual-positioning high-accuracy automatic dispensing device comprising a positioning control system, a dispensing system, a feeding system, a peripheral system and a motor, wherein the peripheral system comprises a shell and a cylinder; the positioning control system is arranged on the shell, and comprises a laser detector, a rising positioning pin and a signal processing controller; the feeding system is arranged on the shell, and comprises a motor, a product jig, a conveying guide rail, a jig base and a slider; the linear motor and the conveying guide rail are arranged on the shell; the slider is arranged on the conveying guide rail; the product jig is arranged on the slider; the dispensing system is arranged on the feeding system, and comprises a vapour-pressure type dispenser, a rack and a pneumatic lifter; the vapour-pressure type dispenser is arranged on the pneumatic lifter; and the pneumatic lifter is arranged on the rack. The dual-positioning high-accuracy automatic dispensing device is high in consistency and the yield of the dual-positioning high-accuracy automatic dispensing device is improved.

The invention discloses a cleaning device of a paint supply system and the method thereof. The device comprises a paint supply system cleaning device which comprises a solvent cleaning circulation system. The solvent cleaning circulation system sequentially comprises a paint pump, a paint supply pipe, a spraying gun and a counter flow pipe; the paint supply pipe is provided with a paint supply valve. The invention is characterized in that the invention also comprises a blowing and washing system which is communicated with the solvent cleaning circulation system by a first air supply valve. The invention utilizes the characteristic that the cleaning solvent is volatile and the high pressure air to blow, leads the paint supply system to be fast cleaned, ensures no or little paint slag or cleaning solvent is residual in the paint supply pipeline and the spraying gun and can meet the requirement of clean paint supply system when paints out of more different manufactures and different types are alternatively sprayed. Furthermore, the design of the structure sufficiently considers the utilization of original resource, thus having little investment and convenient installation. The mechanism used by the method is simple and easy to be installed; the cleaning solvent is saved; meanwhile, the poor phenomena such as paint mark or paint void, etc. are reduced, and the cost is reduced.

The invention discloses a cleaning system and method. The system comprises a first cleaning device, an optical detecting device and a second cleaning device, wherein the first cleaning device is used for cleaning a mother board in a gas cleaning manner; the optical detecting device is used for performing optical detection on the gas-cleaned mother board, and judging whether dust exists on the mother board or not and determining position coordinates of the dust; the second cleaning device is used for cleaning the dust on the corresponding position coordinates on the mother board according to the dust position coordinates determined by the optical detecting device. With adoption of the cleaning system and method, dust on the mother board can be effectively removed; the frequency of an unhealthy phenomenon occurring to the substrate can be reduced; the product yield can be improved.

The invention provides a light emitting diode backlight source, a liquid crystal display and a driving method. The light emitting diode backlight source comprises at least one light emitting array and a driving circuit, the light emitting array is connected between the first wiring end and the second wiring end in parallel, and the driving circuit is used for providing the voltage difference for the position between the first wiring end and the second wiring end to drive positive light emitting diodes or negative light emitting diodes in the light emitting array to emit light. The driving circuit comprises a sequence signal input end which is used for receiving sequence control signals for controlling light emitting time of the positive light emitting diodes and the negative light emitting diodes, the second wiring end is connected to the ground, and the driving circuit is used for providing the positive driving voltage for driving the positive light emitting diodes to emit light and providing the negative driving voltage for driving the negative light emitting diodes to emit light for the first wiring end under control of the sequence control signals.

The invention discloses a welding device for 3D printing plastic material. The device comprises a pliers body; the front end of the pliers body is connected with two fixed blocks; one or two semi-circular opening(s) is/ are formed at the inner side of each fixed block; when the two fixed block are closed, the semi-circular openings formed in the two fixed blocks are closed, thus forming a sealed hollow fusing groove; the fusing groove is used for fusion welding of the 3D printing plastic material; each fixed block is provided with a temperature control device. By adoption of the welding device for the 3D printing plastic material, the printing material can be replaced in the printing process without stopping a 3D printer, so that the time is saved and the model precision is improved.

Provided is a water treatment method and a water treatment apparatus for elctrolyzing the water to be treated by detecting the quality and quantity of the water to be treated and adjusting the electrolytic density according to the state of the water to be treated. When sewage is treated by immersing electrodes 11A, 12A, 11B, 12B, 11C and 12C for electrolysis in an electrolytic cell 15 in a sewer pipeline 1 and producing hypo-halogenous acid, ozone or active oxygen in the sewage, the states of the sewage before and/or after the treatment are detected with a flow rate sensor 16 and a turbidity sensor 17, and the number of the electrodes to be energized (the area to be energized) and/or electric power to be supplied to each of the electrodes are controlled according to the detection result.

The invention discloses a lithium ion battery matching method, which comprises the following steps of 1, pasting a two-dimensional code on a battery, and then pasting a surface protection film on thesurface of a battery core; 2, screening capacity consistency, and grading; 3, carrying out preliminary OCV1 screening through V1 and R1; 4, aging the battery core; 5, carrying out OCV2 screening, andgrading; and 6, connecting the graded battery cores in series according to a certain number, carrying out dynamic differential pressure consistency screening, and grading and storing the screened qualified batteries. According to the invention, by improving the grading capacity difference of battery cores and combining static matching and dynamic matching, the consistency of screened batteries andthe utilization rate of the battery cores are improved, and the undesirable phenomenon in the later period of battery delivery is reduced; and a two-dimensional code is pasted on the surface of the battery core, so that the BIS-battery information management system can collect the information of the single batteries conveniently, unqualified batteries can be screened quickly, the single batteriescan be graded, and the labor and time costs are reduced.

The invention refers to a friction device and a making method to produce liquid crystal display component. The friction device: placing and fixing glass basic board on table, friction roller set on over the table, and the table opposite to the friction roller. The friction roller is a hollow columnar component made of strong quality fiber plastic, a layer of metal film is developed on outer surface of the columnar component, and a friction cloth adheres to the surface of the metal film. For ensuring the quality of friction mark, it sets non-contact shift sensor aimed at the outer surface of the friction roller, to determine polarization of the roller to reduce ill phenomena in the oriented friction procession.

The present invention relates to a direct contact type probe card which is a double-plate probe card, wherein the probe card comprises the following components: a main PCB which is of a disc shape, is formed with a quadrilateral opening at the central part and is formed with FPCB contact tables on two side surfaces; a plate which is a square component formed by steel and is connected with the bottom central part of the main PCB; a plurality of probe blocks which are arranged with a plurality of probes on the upper ends of the probe blocks and are fixedly equipped on the plate and projects from the upper surface of the main PCB; an FPCB which is formed with a probe contact table on one end and is formed with a PCB contact table corresponding with the FPCB contact table of the main PCB; FPCB blocks which are respectively provided at the side surface of each probe block and has an upper surface fixedly adhibited with the probe contact table of the FPCB; and an extrusion which is used for squeezing the PCB contact platform of the FPCB and the FPCB contact platform of the main PCB. The direct contact type probe card of the invention can simplify the structure and cancel the wiring and welding position for relatively reducing the incidence of undesirable phenomena and shortening the manufacturing time.

The invention relates to a preparation method of polyester spinning oil and belongs to the technical field of textile auxiliaries. The preparation method comprises mixing white oil and pentaerythritol oleate to obtain mixed oil, mixing Arabic gum and deionized water, heating the mixture, adding maltodextrin into the mixture, carrying out stirring, adding the mixed oil into the mixture, carrying out emulsification and homogenization to obtain high temperature-resistant capisulazed mixed oil, mixing the high temperature-resistant capisulazed mixed oil, polyoxyethylene sorbitan monolaurate and lauroyl diethanolamine to obtain a composite emulsifier, mixing the composite emulsifier and the high temperature-resistant capisulazed mixed oil, carrying out ultrasonic emulsification to obtain an emulsion and mixing the emulsion and sodium benzoate. The polyester spinning oil has good heat resistance and a smoking temperature of 220 to 240 DEG C, improves the smoothness of the oil film, reduces fiber filament and breaking possibility, and can be widely used in the polyester spinning field.

The invention discloses a highland barley beta-glucan extract, a frozen sweet dough, preparation methods therefor and sweet dough bread. The frozen sweet dough comprises the following raw materials: frozen dough mixed powder, water, the highland barley beta-glucan extract, fresh yeast, lactic acid, whole milk powder, butter, ghee, liquid whole egg, salt, a frozen dough improver, sugar, honey and citric acid. According to the invention, the highland barley beta-glucan extract is applied to the frozen sweet bread, so that the problem that the healthcare function of the highland barley beta-glucan cannot be exerted in the bread is solved, the effect of the highland barley beta-glucan is fully exerted, and the unnecessary mutual repulsion effect is reduced; and the provided frozen sweet breadcan meet the needs of people of different ages for safe, delicious and healthy functional baked foods.

It is an object to obtain a cathode ray tube having a high resolution without decreasing electron emission property. Surface of a cathode was leveled by heating during forming a vacuum in order to oxidize a carbonate salt to an oxide as an electron emissive material, after applying a paste for printing on a metal substrate by screen printing, drying the same, and incorporating an oxide cathode in a cathode ray tube, the paste having a mixture of needle-like particles of the first group and bulk particles of the second group incorporated as an alkaline earth metal carbonate forming an electron emissive material layer.

The invention provides an optical thin film and a backlight unit. The optical thin film comprises a plurality of stacked transparent material layers, wherein a first composite structure layer is arranged between at least two adjacent transparent material layers and comprises a first bulge structure and a second bulge structure covering the first bulge structure, the first bulge structure comprises a plurality of first bulge parts sequentially arranged in the a direction, the second bulge structure comprises a plurality of second bulge parts sequentially arranged in the a direction, the first bulge parts and the second bulge parts penetrate through the transparent material layers in the b direction, the a direction and the b direction are perpendicular to each other and are parallel to the extending surface of each transparent material layer, each second bulge part covers at least one first bulge part, an air channel is formed by a gap between every two adjacent second bulge parts, and the first bulge structure and the second bulge structure have different refractive indexes. The optical thin film has good shielding performance, and the probability of occurrence of phenomena of moire interference, newton ring and the like is lower.