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30results about How to "Good for stability" patented technology

Method for preparing manganese phosphate lithium / carbon composite material

InactiveCN102769131AImprove electronic conductivityImproved uniform dispersion of raw material mixingCell electrodesCarbon compositesCombined method
The invention discloses a solid-liquid combined method for preparing a manganese phosphate lithium / carbon composite material. According to the method, raw materials comprising ammonium dihydrogen phosphate, a lithium source, a manganese source, an iron source, a carbon source and metal doped elements are mixed, dried, heated to 450-700 DEG C under atmosphere conditions, dried for 1-12 h at the constant temperature, and cooled to obtain the manganese phosphate lithium / carbon composite material. The invention adopts a principle of solid-liquid combination, effectively improves uniformity of material mixing, and facilitates improvement on stability and degree of crystallinity of the product. The composite material synthesized by the method is uniformly dispersed, and has effectively improved electronic conductivity. One-time calcination adopted by the invention can effectively reduce energy consumption; and the obtained composite material has particle size distribution of 1-20 mum, and 0.1C rate discharge capacity of 142mAh / g; and electrochemical tests show that the electrode has obvious discharge platform at about 4V, high discharge capacity and good cycle stability.
Owner:ZHEJIANG WELLY ENERGY CORP

Dental implant abutment

The invention relates to a dental implant abutment, in particular relates to an abutment internally connected with an implant, and belongs to the fields of oral implant and repair. The connecting abutment consists of a crown connecting section, a middle trans-gingival section and an implant insertion section sequentially from top to bottom. The upper crown connecting section of the connecting abutment is a downward enlarged cone of which the taper is 6 degrees. A vertical cutting groove is formed in each of two lateral surfaces of the upper crown connecting section of the abutment, and the two cutting grooves are symmetrically distributed on the two lateral surfaces. The abutment can be used for positioning a crown, and plays a role in resisting rotation. A conical transition section is arranged between the abutment and a connector, and a silver-carrying TiO2 antibacterial coating is coated on the surface. After the abutment is inserted into the inner cavity of the implant, seal fit of conical surfaces, anti-rotating directional fit of eight-angular prism surfaces and pilot fit of cylindrical surfaces can be realized. The invention aims to provide the abutment internally connected with the implant, and the abutment is matched with the implant precisely and stably and has excellent anti-rotating performance.
Owner:DALIAN SANSHENG SCI & TECH DEV

Narcotic analgesic-loaded sustained-release microsphere and preparation method thereof and application thereof

The invention discloses a narcotic analgesic-loaded sustained-release microsphere and a preparation method thereof and application thereof. The narcotic analgesic-loaded sustained-release microspherecan be continuously released for 1 to 7 days, the burst release rate is less than 20% within 0.5 hour, and the drug embedding rate is higher than 80%, so that high drug embedding rate and low burst release rate and sustained release can be realized. The method has simple process, the obtained product has uniform particle size, batches of products have good repeatability, and the preparation methodis easy for industrial production.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI +2

Built-in wire sorting box device with optical fiber tank

The invention discloses a built-in wire sorting box device with an optical fiber tank. The built-in wire sorting box device comprises a base, a cover plate and routing bodies. The cover plate is matched with the base, the routing bodies are arranged between the base and the cover plate, a plurality of routing grooves are formed in one end surface of each routing body, a plurality of wire clampinggrooves are formed in two ends of each routing groove, protruded connecting pieces are arranged on the other end surface of each routing body and are matched with the tops of the corresponding wire clamping grooves, or the connecting pieces are matched with connecting grooves formed in the base. The built-in wire sorting box device has the advantages that a plurality of rubber-covered wire opticalcables can be led into the tip optical distribution optical fiber tank, optical signals can be led into adaptors, wire sequences and wire positions can be arranged in an orderly manner after the rubber-covered wire optical cables are bundled, fixed and sorted by the built-in wire sorting box device, accordingly, the service reliability can be improved, and follow-up expansion and maintenance management can be facilitated.
Owner:JIANGSU HENGTONG PHOTOELECTRIC

Reference voltage generating circuit and reference voltage calibrating method

The invention provides a reference voltage generating circuit and a reference voltage calibrating method. The reference voltage generating circuit comprises at least one resistor unit, switching unit and gating unit; each resistor unit comprises a plurality of resistor elements connected in series, suitable for providing the resistor unit with matching voltage according to input current and output resistance of the resistor elements; each switching unit comprises switching elements; the switching elements and the corresponding resistor elements are connected in parallel, forming a switch array; when the switching elements are closed, the corresponding resistor elements are short-connected and output the output resistance of the corresponding resistor units; the gating units corresponds to the switching elements and are suitable for being gated according to input siting signals; the siting signals are related to address information of the switching elements of the switch array; the switching elements are suitable for changing in the initial state when the corresponding gating units are gated. The reference voltage generating circuit has the advantages that output voltage of the resistor units is adjustable and provided reference voltage is more accurate.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Monolithic catalyst for preferentially oxidizing CO under hydrogen-rich condition, and preparation method thereof

The invention provides a monolithic catalyst for preferentially oxidizing CO under a hydrogen-rich condition, and a preparation method thereof. According to the invention, the catalyst is high in mechanical strength, effectively reduces the size of a reactor for preferentially oxidizing carbon monoxide in hydrogen-rich gas, is good in heat conductivity, can effectively avoid the problem of hot spots, and is particularly suitable for small-sized on-site hydrogen supply devices.
Owner:左海珍

Dish washing machine and water pump structure thereof

The invention provides a dish washing machine and a water pump structure thereof. The water pump structure comprises a pump shaft achieving the effect of transmitting power, a drainage impeller whichis arranged at the lower end of the pump shaft and supplies drainage power, and a drainage cavity communicated with a drainage water inlet pipe and a drainage water outlet pipe, the drainage impelleris located inside the drainage cavity, and a flow stop structure is radially fixed into the drainage cavity for guiding the flow direction of water flow pushed by the drainage impeller. Due to the radially fixed flow stop structure, when the water flow pushed by the drainage impeller flows, the flow stop structure stops water flow in the radial direction, the water flow is drained into the drainage water inlet pipe or the drainage water outlet pipe; due to forward rotation or reverse rotation of the drainage impeller, water flow inside the drainage cavity is pushed to rotate forwards or reversely, in other words, water flow impacts on the first drainage face or the second drainage face of the flow stop structure; due to the fact that the flow stop structure is fixedly arranged, the stop flow structure stability is facilitated, the drainage effect is ensured, and the problem that drainage loses efficacy is avoided.
Owner:QINGDAO HAIER DISHWASHER

Colloidal gold card reader for detecting mycotoxins in livestock farms

The invention particularly discloses a colloidal gold card reader for detecting mycotoxins in livestock farms. The colloidal gold card reader comprises a colloidal gold test paper card reading cavity and a colloidal gold test paper image collecting device, wherein the image collecting device comprises a microprocessor, the microprocessor comprises a communication module, an image sensor, a cold light source and a display system, and the microprocessor is connected and communicated with an intelligent terminal through the communication module; mycotoxin colloidal gold test paper corresponding to built-in programs of the microprocessor is required to be placed in the colloidal gold test paper card reading cavity. According to the colloidal gold card reader, color developing results of the colloidal gold test paper are collected by the image sensor, so that detection result errors caused by errors produced by manual evaluation can be avoided. The detection results of the same batch are processed by one evaluation system and are calculated according to a preset internal standard curve, so that stability of the detection results is facilitated.
Owner:上海源紊新能源科技有限公司

Stable industrial electrical automation equipment

The invention discloses a stable industrial electrical automation equipment, which comprises a second motor and a body. Supporting feet are respectively fixed at four corners of the bottom of the body, and a switch panel is installed on one side of the body. A damping spring is wound on each of the supporting feet, the S7‑200PLC is fixed at the inner bottom end of the body, and two symmetrical third motors are installed at the inner top end of the body, and two third One end of the motor is rotatably connected with a lead screw through a rotating shaft, and a transmission block is sleeved on the outside of the two lead screws. The second motor is installed inside the fuselage near the middle of the two lead screws. The top of the unit is provided with two headstocks and a clamp frame. The invention is provided with a rectangular clamp frame with four transparent sides, and a disc-shaped workpiece placing table and a pressing block are arranged in the frame. The workpiece is clamped by the workpiece placing table and the pressing block, and the workpiece can be rotated at the same time. .
Owner:浙江荔禾电气科技有限公司

Preparation method and application of thickening agent for emulsion in water

The invention discloses a preparation method and application of a thickening agent for an emulsion in water. The preparation method comprises the steps: dehydrating polyethylene glycol by using an organic solvent with a boiling point being lower than 110 DEG C; then, adding diisocyanate under the protection of a reactive shielding gas to carry out reaction treatment; next, adding castor oil polyether diester benzoate serving as an end-capping agent to carry out a further reaction; then, adding polyhydroxyl-containing castor oil polyether monosalicylate serving as a chain extender, carrying outa reaction on a reaction system until no free isocyanate groups exist, and then, adding water to azeotropically remove the organic solvent to prepare the thickening agent. The thickening agent for the emulsion in water, prepared according to the scheme, is a white thick liquid so as to be directly used without swelling; in addition, no catalysts are used in the scheme, so that the hydrolysis of polyurethane in storage and use is reduced, and the stability can be favorably realized; and the prepared emulsion in water is good in dispersibility and stability, not only improved on adhesive power,but also resistant to rainwash and beneficial to better realization of a pesticide effect.
Owner:威尔(福建)生物有限公司

Multi-ridge multipurpose ponding machine

The invention relates to agricultural machinery, in particular to a multi-ridge multipurpose ponding machine. The multi-ridge multipurpose ponding machine pulled by traction equipment comprises a soilloosening mechanism, more than three ridging plates, travelling wheels and a ponding mechanism. The soil loosening mechanism comprises a frame and a rotating shaft. Two ends of the rotating shaft areconnected with the frame. A soil turning blade is arranged on the rotating shaft. The rotating shaft is driven by a power device. Along the advance direction, the ridging plates are arranged in rearof the soil loosening mechanism, and are distributed from one end of the frame to the other end. The travelling wheels are arranged on two ends of the frame. The ponding mechanism is mounted in rear of the soil loosening mechanism, corresponds to gaps among the ridging plates, and comprises a sliding rail, a ponding rod and a conveying belt. The sliding rail is arranged upwardly, and the ponding rod is arranged in the sliding rail slidably. A shifting lever is arranged on the conveying belt. A stop block is arranged on the ponding rod, and is matched with the shifting lever on the conveying belt to enable the ponding rod to slide upwardly in the sliding rail. The conveying belt is connected with the travelling wheels through chain transmission, and is driven by the travelling wheels. The multi-ridge multipurpose ponding machine has the advantages that soil turning, ridging and ponding are performed at the same time, and accordingly, time and labor are saved.
Owner:YUNNAN TOBACCO CORP QUJING BRANCH

High-elastic antibacterial eco-friendly dressing and preparation method thereof

The invention belongs to the field of biomedical materials, and relates to a high-elastic antibacterial eco-friendly dressing and a preparation method thereof. The preparation method comprises the following steps of: dissolving keratin, zein, polypyrrole and polyurethane in dimethylacetamide; carrying out spray drying; performing heating and melting in a nitrogen atmosphere; carrying out melting electrostatic spinning; carrying out soaking treatment with tris (2-carboxyethyl) phosphine; carrying out treatment with a silver cyanate solution; and carrying out low-temperature plasma treatment to prepare the high-elastic antibacterial eco-friendly dressing. The prepared dressing is high in elasticity, good in antibacterial effect, low in silver ion release and environmentally friendly.
Owner:NANTONG UNIVERSITY

Novel white sidewall extrusion device

The invention discloses a novel white sidewall extrusion device, comprising a phi 150 screw rod, a phi 200 screw rod, a phi 90 screw rod, a phi 120 screw rod, a novel white sidewall extruded line handpiece, extruded white sidewall rubber, novel white sidewall extruded line auxiliary lines, a covering rubber piece, a phi 90 screw rod extruder, a small double-roller extruder and a transmission band; the phi 150 screw rod, the phi 200 screw rod, the phi 90 screw rod and the phi 120 screw rod are sequentially and smoothly connected to the novel white sidewall extruded line handpiece from bottom to top by a pipeline, the novel white sidewall extruded line auxiliary lines are paved on both sides of the transmission band, the extruded white sidewall rubber is paved in a central position of the transmission band, and the covering rubber piece is mounted on a rotary shaft of the small double-roller extruder. The required novel white sidewall extruded line is produced by exclusively designing a semisteel white sidewall tire, the sidewall rubber, seam allowance rubber, isolation rubber and white rubber are respectively extruded by phi 150 / phi 200 / phi 90 / phi 120 four-composite extruded linked lines, the composite extruded lines can realize two symmetric sidewalls, one white sidewall and one black sidewall are extruded simultaneously, and the sidewall at one white rubber side is additionally adhered to covering rubber of a protective layer.
Owner:SHANDONG FENGYUAN TIRE MFG

Angle-adjustable dam tamping device for hydraulic engineering and using method thereof

The invention discloses an angle-adjustable dam tamping device for hydraulic engineering and a using method thereof. The angle-adjustable dam tamping device comprises a tamping face, and further comprises a crawler walking mechanism, the crawler walking mechanism is connected with symmetrically-arranged supporting frames, and the supporting frames are hinged to symmetrically-arranged sliding sleeves through supports; angle oil cylinders are hinged to the supporting frames, sliding groove are formed in the outer walls of the sliding sleeves, and hinge seats are slidably connected into the sliding grooves and hinged to the angle oil cylinders; and sliding columns are slidably connected into the sliding sleeves, the supporting frames are fixedly connected with a tamping motor, the tamping motor is connected with a rotating wheel, the rotating wheel is eccentrically connected with a connecting plate, the connecting plate is hinged to the sliding columns, the other ends of the sliding columns are connected with the tamping face, and the tamping motor, the angle oil cylinders and the crawler walking mechanism are connected with a control box. The angle and span of the tamping face can be conveniently adjusted, and the adopted crawler-type walking mechanism is suitable for different water channels.
Owner:潍坊峡山水务有限公司

Block chain cryptograhic adaptation method, national secret adapter, system and device

The invention discloses a block chain cryptographic adaptation method, a cryptographic adapter and a storage medium. The method comprises the following steps: a block chain cryptographic service module initialization request is responded to; the cryptographic adaptercomponent prepares an initialization service, starts a configuration file of the block chain password service module, and initializes the cryptographicadapter component through a cryptographic adapterplug-in according to the configuration content of the configuration file; and the initialized cryptographic adapter component adapts to various underlying cryptographic algorithms according to different configurations, and provides a defined password interface end for nodes in the block chain network to support various cryptographic algorithms to adapt to a block chain server in the encryption machine. On the basis of the cryptographic adaptation method, pluggable of the cryptographic library can be achieved, and the purpose of using different cryptographic libraries is achieved.
Owner:HANGZHOU YUNXIANG NETWORK TECH

Point absorption type wave energy power generation device based on floating platform

The utility model belongs to the field of regenerative energy technologies and ocean facilities, and particularly relates to a point absorption type wave energy power generation device based on a floating platform. The point absorption type wave energy power generation device comprises the floating platform, floating bodies, anchor chains, cables and high holding power anchors, wherein the floating platform is connected with the high holding power anchors through the anchor chains so as to be fixed; the floating bodies are connected with the platform through the shorter anchor chains; the cables are fixedly arranged on the surface of the platform; the point absorption type wave energy power generation device is characterized in that the connection anchor chains between the floating bodies and the floating platform can be always kept in a tensioning state as the individual floatage of each of the floating bodies is large enough; when the floating bodies swing under the action of waves, magnets and coils in the floating bodies can relatively move along with the movement of the floating bodies, and magnetic fluxes in the coils are changed, so that induced electromotive force is generated and supplies power. The point absorption type wave energy power generation device based on the floating platform is simple in design form and suitable for deep water regions, adapts to incoming waves from all the directions, is higher in energy conversion efficiency, stable in energy output, high in safety and convenient to mount and move and has a good application prospect.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Earphone sleeve cloth manufacturing process

ActiveCN112533099AIncreased styling reliabilityGood for stabilityMicrophonesLoudspeakersEngineeringTextile printer
The invention discloses an earphone sleeve cloth manufacturing process, comprising the steps: cutting an annular cloth piece, a first long-strip-shaped cloth piece and a second long-strip-shaped clothpiece, wherein the first long-strip-shaped cloth piece is longer than the second long-strip-shaped cloth piece; sewing and splicing the head end and the tail end of the first long-strip-shaped clothpiece into an annular shape, and then sewing one annular end of the first long-strip-shaped cloth piece to the outer annular edge of the annular cloth piece; sewing and splicing the head end and the tail end of the second long-strip-shaped cloth piece into an annular shape, and then sewing one annular end of the second long-strip-shaped cloth piece to the inner annular edge of the annular cloth piece. The method mainly comprises the following steps: firstly, cutting the annular cloth piece, the first long-strip-shaped cloth piece and the second long-strip-shaped cloth piece; sewing a cloth cover with a U-shaped section; covering the outer surface of the annular soft filler with the cloth cover; printing the peripheral side surface of the cloth cover, so that printed patterns or / and characters are formed on the peripheral side surface of the earphone sleeve. The problem that the printing effect of the finished cloth of the earphone sleeve is changed and is not the initially designed printing effect is also solved.
Owner:广东茂顺新材料科技有限公司

Decomposition and deodorization equipment for grease

The invention discloses decomposition deodorization equipment for grease. The equipment comprises a main equipment body, wherein a first connecting pipe is arranged at the upper end of the main equipment body, a second connecting pipe is arranged on one side of the first connecting pipe, sealing structures are arranged between the main equipment body and the first connecting pipe and between the main equipment body and the second connecting pipe, each sealing structure comprises a hollow connecting column, a connecting shell, a connecting groove and a sealing ring, a fan is arranged on one side of the second connecting pipe, a communicating pipe is arranged in the upper end of the fan, and a through hole is formed in one side of the fan. According to the decomposition deodorization equipment for grease, by arranging the sealing structures, the sealing effect at the joint of the first connecting pipe and the second connecting pipe is good; and by arranging the fan, the communicating pipe, the through hole and a communicating opening, when the equipment is used, gas in the equipment can be subjected to secondary purification from the communicating pipe to the corresponding secondarypurification equipment via the communicating opening, deodorization effect is good, and use effect is good.
Owner:安徽福相安油脂工业有限公司

Alkoxylated polycarboxylic acid amides

Alkoxylated polycarboxylic acid amides are provided obtainable by first reacting an aromatic polycarboxylic acid containing at least three carboxylic acid units or anhydrides derived therefrom, preferably an aromatic polycarboxylic acid containing three or four carboxylic acid units or anhydrides derived therefrom, more preferably an aromatic polycarboxylic acid containing three carboxylic acid units or anhydrides derived therefrom, even more preferably trimellitic acid or trimellitic acid anhydride, most preferably trimellitic acid anhydride, with an amine alkoxylate and in a second step reacting the resulting product with an alcohol or amine or a mixture of alcohols and / or amines, preferably with an alcohol.
Owner:CLARIANT INT LTD

Adjustable hanging rack, unmanned aerial vehicle and method for hanging article on unmanned aerial vehicle

The invention relates to an adjustable hanging rack, an unmanned aerial vehicle and a method for mounting an article on the unmanned aerial vehicle, belongs to the technical field of equipment hanging, and solves the problem that in the prior art, the gravity center of a hanging rack is unstable after inspection equipment is mounted on the hanging rack. The adjustable hanging rack comprises a space bent pipe and a long straight pipe, the space bent pipe is bent to form a preset space, and the long straight pipe is fixedly arranged in the preset space of the space bent pipe; a first connecting end is arranged on the spatial bent pipe, and a second connecting end is arranged on the long straight pipe; a rectangular sheet body is arranged on the space bent pipe and is used for carrying out X-direction adjustment on a hung object; the first connecting end and the second connecting end are provided with threads and used for conducting Y-direction adjustment on a hung object; the first connecting end and the second connecting end are provided with Z-direction angle adjusting devices used for performing Z-direction adjustment on a hung object. By means of the hanging rack, the hung object can be conveniently and practically adjusted, and the safety and reliability of the hanging rack and the hung object are improved.
Owner:BEIJING HANGXING MACHINERY MFG CO LTD

Anti-extrusion packing box for cultural and creative product

The invention discloses an anti-extrusion packing box for a cultural and creative product, the packing box is structurally provided with a loading box body, an outer packing box, a cover box and a buckling plate, the cover box and the outer packing box are of an integrated structure, the loading box body is fixedly connected to the outer packing box, the buckling plate and the cover box are of an integrated structure, and the buckling plate is attracted to the front side of the loading box body; the loading box body is provided with a frame plate, a placing groove, an anti-extrusion device and a sponge pad, the frame plate is fixedly connected to the outer wrapping box, the movable body penetrates through the front plate to move under the telescopic cooperation of a guide frame, the toughness of a swing block is changed, a swing plate is folded to enable the collision and pressing ball to be driven to roll, the swing and folding angle of the swing plate is increased, and the deformation state of the swing block is larger; the expansion and contraction ball is extruded, the body is conveniently driven to penetrate and displace, the supporting and unfolding force is provided for an abutting device, the body is conveniently driven to drive the abutting device to displace so as to flexibly change the touch pressure on the product, soft touch pressure stabilizing force is provided for the cultural and creative product when the cultural and creative product is placed, and the cultural and creative product is prevented from being damaged due to hard extrusion.
Owner:湖南工商大学

High-applicability mounting device applied to underground electromechanical equipment

The invention discloses a high-applicability mounting device applied to underground electromechanical equipment, and particularly relates to the technical field of underground electromechanical equipment.The high-applicability mounting device comprises a supporting frame and four movable seats, and the bottom of the outer surface of the supporting frame is fixedly connected with the top of the outer surface of an anti-skid bottom plate; four bottom horizontal adjusting assemblies are arranged on the outer surface of the anti-skid bottom plate. The bottom horizontal adjusting assembly is arranged, the telescopic plate can achieve the telescopic purpose in the rectangular cylinder, then the position of the mounting plate can be adjusted according to the concave-convex condition of the ground, and it is guaranteed that the mounting plate is located on the same horizontal plane; and meanwhile, in the installation process, the clamping plates can be clamped into the positioning grooves through air pressure control by pressing the annular air bags flat, then the position positioning of the telescopic plates can be achieved, the purpose of horizontal adjustment can be achieved according to the actual situation requirement, deflection is avoided, and therefore the stability of subsequent electromechanical equipment installation is facilitated.
Owner:六安科亚信息科技有限公司

Rear bottom fork assembly of swing car and swing car thereof

The invention discloses a rear bottom fork assembly of a swing car. The rear bottom fork assembly comprises two rear bottom forks which are symmetrically arranged, a bottom fork shaft connecting disc and a shaft connecting disc. The bottom fork shaft connecting disc is a flange sleeve, the outer wall of the sleeve is sleeved with the front end of the rear bottom fork, one end of the sleeve is a free end, the other end of the sleeve extends outwards to form a flange, the end of the flange is connected with one end of the shaft connecting disc, the two ends of the shaft connecting disc are matched in shape, the other end of the shaft connecting disc extends outwards to form a platform which is fixedly connected with a frame; a cavity is formed between the flange of the bottom fork shaft connecting disc and the shaft connecting disc, and is used for accommodating a half shaft extending out of a differential mechanism, a belt and a front belt pulley; and the sleeve of the bottom fork shaft connecting disc serves as a hollow cantilever shaft of the rear bottom fork and is coaxial with the half shaft. The invention further discloses a swing car which comprises a driving mechanism, two rear bottom fork assemblies and a locking mechanism, wherein the two rear bottom fork assemblies are symmetrically arranged.
Owner:天津内燃机研究所(天津摩托车技术中心)

Grid-connected inverter synchronous control modeling method for series-parallel capacitance compensation

InactiveCN113690932AConvenience theory and simulation analysisGood for stabilityAc-dc conversionDc-dc conversionPhysicsPower grid
The invention discloses a grid-connected inverter synchronous control modeling method for series-parallel capacitance compensation, and belongs to the technical field of new energy power generation. The method comprises the following steps: S1, carrying out Norton equivalence on a grid-connected inverter system; S2, combining the series-parallel capacitance compensation and the equivalent power grid, and then carrying out Thevenin equivalence; S3, obtaining an expression of the grid-connected voltage according to the superposition theorem; S4, substituting the grid-connected voltage into the inverter synchronous control block diagram, and performing equivalent transformation on the synchronous control system to obtain a synchronous control equivalent model. According to the method, the series-parallel capacitor can be established in the synchronous control equivalent model, theoretical and simulation analysis can be conveniently performed on the system, and the influence of the series-parallel capacitor on the system stability can be intuitively deduced through the model, so that the improvement of the control stability of the grid-connected inverter system is facilitated, and the method is worthy of being popularized and used.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Congestion control method for differentiated services

The invention is applicable to the field of network congestion control technology improvement, and provides a service-differentiated congestion control method, which comprises the following steps of: S1, realizing hop-by-hop interest packet rate shaping at a router by using a weighted fair queue and a token bucket algorithm; s2, calculating a target rate of each stream by the router, and carrying the target rate to a receiving end by a returned data packet; s3, the receiving end sets the rate of sending the interest packet in the next time period according to the target rate value carried by the data packet; and S4, the router dynamically adjusts the traffic forwarding proportion of each interface according to the rate shaping result and the target rate value carried in the data packet returned from the upstream. Convergence time is greatly reduced, and stability of a network system is facilitated.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Glove device for spinning

The invention relates to the field of spinning, in particular to a glove device for spinning. The glove device can protect the hand and can effectively separate scraps from a loom needle. The glove device structurally comprises a palm sleeve body and a finger sleeve body. The bottom of the outer end of the finger sleeve body is provided with a first bent hook. The inner end of the bend hook is fixedly connected with a first connecting rod. The first connecting rod is connected with a second connecting rod through a first hinge shaft. The second connecting rod is connected with a third connecting rod through a second hinge shaft. The back of the palm sleeve body is provided wit a first support. The top of the support is connected with a battery box through a third hinge shaft. The outer end of the battery box is provided with a lamp holder. The battery box is provided with a switch. A first magnetic bar is transversely fixed to the outer end of the support. The inner end of the palm sleeve body is provided with a wrist sleeve body matched with the wrist. The inner end of the wrist sleeve body is provided with an elastic opening. The glove device is easy to operate, convenient to use and applicable to various occasions.
Owner:SUZHOU DONGZHAN DOWN GARMENTS

Single cantilever type gas sensor with curled structure and sensor array

The invention discloses a single cantilever type gas sensor with a curled structure. The single cantilever type gas sensor comprises a silicon substrate, a supporting membrane, a heating resistor, anisolating membrane and a detection electrode which are sequentially arranged in a stacking mode, wherein the supporting membrane is used for providing a whole supporting effect, the heating resistor is used for providing temperature required by work, the heating resistor and the detection resistor are electrically separated by the isolating membrane, and the detection sensor is used for detectingresistance change. The sensor comprises a base body structure and a cantilever structure, wherein the end of the cantilever structure is in a curled shape, and a gas sensing material is arranged on the cantilever structure. The invention further provides a sensor array composed by the single cantilever type gas sensor with the curled structure. The single cantilever type gas sensor disclosed by the invention has the advantages of low power consumption, high integration, simple production technology, easiness in location and ability in effective improvement production efficiency.
Owner:HEFEI MICRO NANO SENSING TECH CO LTD

Easy-to-remove and easy-to-wash dishwashing glove fabric

The invention relates to the field of textile fabrics, particularly to an easy-to-detach and easy-to-wash dishwashing glove fabric, which can protect hands, and can convert different cleaning surfacesso as to effectively clean stubborn stains and improve working efficiency. The structure of the easy-to-detach and easy-to-wash dishwashing glove fabric comprises a glove fabric main body, wherein the upper side of the opening position of the glove fabric main body is fixedly provided with a rectangular adhesion buckle tape adhesion hook, the glove fabric main body on the left side of the adhesion buckle tape adhesion hook is fixedly connected to one end of a strip-shaped adhesion buckle tape base, the upper surface of the glove fabric main body is adhered to a sponge block through a first adhesion buckle tape, the lower surface of the glove fabric main body is adhered to a steel wire ball through a second adhesion buckle tape, and the glove fabric main body is a composite structure. Theeasy-to-detach and easy-to-wash dishwashing glove fabric of the present invention has characteristics of simple structure and easy use, and is suitable for various places.
Owner:SUZHOU XUANDE TEXTILE TECH

Ceramic tile soaking device for building construction

The invention discloses a ceramic tile soaking device for building construction. The ceramic tile soaking device comprises an outer box, an inner cylinder, a lifting mechanism, an adjusting assembly and a plurality of ceramic tile frames, wherein the inner cylinder is arranged in the outer box in a lifting mode, and a sealing ring is arranged between the periphery of the inner cylinder and the inner wall of the outer box; the lifting mechanism is used for controlling lifting of the inner cylinder, and the front ends and the rear ends of the ceramic tile frames are connected with sliding seats correspondingly; the sliding seats are slidably arranged on the inner cylinder in the left-right direction, and the adjusting assembly comprises a pair of linkage mechanisms and a pair of locking mechanisms; the pair of linkage mechanisms is symmetrically arranged on the front side and the rear side of the interior of the inner cylinder, and the linkage mechanisms are connected with a plurality of sliding seats located on the same side; the positions of the plurality of sliding seats can be adjusted simultaneously through the linkage mechanisms, and the pair of locking mechanisms is symmetrically arranged on the front side and the rear side of the interior of the inner cylinder; and the locking mechanisms are connected with the sliding seats located on the same side, and the locking mechanisms are used for limiting the relative positions of the sliding seats and the inner cylinder. According to the ceramic tile soaking device for building construction, the soaking requirements of ceramic tiles with different sizes can be met, moving is convenient, and taking and placing of the ceramic tiles are convenient.
Owner:WENZHOU POLYTECHNIC

Air intake and exhaust device for pipe

The invention relates to an air intake and exhaust device for a pipe, which comprises an air intake pipe and an air exhaust pipe. The air intake pipe and the air exhaust pipe are distributed in a furnace pipe and are close to the inner wall of the furnace, and the air intake pipe and the air exhaust pipe are symmetrically distributed by taking a silicon wafer arranged in the furnace pipe as a center. The air inlet pipe and the air outlet pipe are both of a same multi-layer sleeve structure, and the multi-layer sleeve structure is formed by coaxially sleeving at least two air pipes from insideto outside. A plurality of air holes are formed in each layer of air pipe. The gas inlet pipe and the gas outlet pipe are of a multi-layer sleeve structure, and diffusion source gas and reaction residual waste gas can be fully and evenly mixed in the multi-layer sleeve structure and then enter or be discharged out of the furnace pipe through the inner space of the multi-layer sleeve structure. Onthe other hand, the positions, angles, hole diameters, hole distances and hole directions of the air holes in all the layers of air pipes can be adjusted, and therefore, the stability and uniformity of the direction of airflow entering the furnace pipe are achieved.
Owner:帝尔激光科技(无锡)有限公司
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