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74 results about "Magnetic coating" patented technology

Energy-saving central air conditioner

The invention provides an energy-saving central air conditioner, which belongs to the technical field of central air conditioners, and comprises an air conditioner body and a pipeline arranged at the lower end of the air conditioner body, and further comprises an air inlet adjusting assembly, an induction dust collecting assembly and a cleaning and collecting assembly, air is purified through electrostatic adsorption of the adsorption plate, dust accumulation and local blockage conditions are accurately detected through cooperation of an elastic part, a magnetic coating and a Hall sensor, the air inlet quality of the air conditioner and system operation are prevented from being affected by feedback signals, tiny impurities can be effectively captured by the adsorption plate, and the air cleanliness is improved; a wind power and knocking combined mode is adopted for dust removal, a filter screen plate and an adsorption plate are cleaned in all directions, and inlet air cleanliness is guaranteed; when the ash discharging port is not used for removing ash, the magnetic blocking plate blocks the ash discharging port to prevent leakage, and the pressing rod limits the position of the connecting plate to ensure the monitoring precision of the sensing rod, reduce part shaking, prevent dust from falling off in advance and ensure the adsorption effect; the baffle is connected with related parts to control the opening degree of the pipeline, dust is prevented from entering the wall during dust removal, and dust collection is guided.
Owner:XUZHOU COLLEGE OF INDAL TECH +1

Erosion resistant composite metal coating for plates of an arc chute assembly for a circuit breaker

An arc plate for a circuit breaker includes a body and a magnetic coating that covers an exterior of the body. The magnetic coating is a metal matrix composite including from 80 to 92 volume percentage of a metal that is magnetic, and from 8 to 20 volume percentage of particles. The particles have a higher melting temperature than the metal.
Owner:SIEMENS INDUSTRY INC

Magnetic filtering type CBD coating method

The magnetic filtering type CBD coating method comprises the following steps: 1) connecting a group of arc sources A with 20-30A current for bottoming for 30-40 minutes to form a bottoming layer; 2) connecting a group of arc sources B with 80-100A current, and carrying out rough coating for 20-40 minutes to form a rough coating layer; 3) simultaneously connecting a group of arc sources B and a group of arc sources C with current, connecting a group of arc sources B with current of 80-100A, connecting a group of arc sources C with current of 300-350A, and simultaneously carrying out rough and semi-precise magnetic coating for 40-60 minutes to form rough and semi-precise magnetic coating layers; and (4) a group of arc sources D are communicated with 380-390 A current, precise magnetic filtering type coating is conducted, the coating time is 30-50 min, and a precise magnetic filtering type coating layer is formed, in the first step to the fourth step, the bias voltage ranges from 150 V to 180 V, the thickness of a base coat ranges from 1 micrometer to 2 micrometers, the thickness of a rough coating layer ranges from 1 micrometer to 1.5 micrometers, the thickness of a rough magnetic coating layer and the thickness of a semi-precise magnetic coating layer ranges from 0.8 micrometer to 1.2 micrometers, and the thickness of the precise magnetic filtering type coating layer ranges from 0.8 micrometer to 1 micrometer.
Owner:SUPERMICRO MID-RANGE NANOTECHNOLOGY (SUZHOU) CO LTD

Normally closed two-position three-way PWM solenoid valve with non-magnetic gasket ball valve structure

The application belongs to a two-position three-way PWM electromagnetic valve, and aims at solving the problems of complex structure, slow response speed, high quality requirement of parts processing, high requirement of product assembly process and large leakage of existing two-position three-way high-speed on-off electromagnetic valve, and provides a normally closed two-position three-way PWM electromagnetic valve with a non-magnetic gasket ball valve structure, wherein the inner surface of the top of the stop iron is provided with a boss, the bottom of the boss is provided with a counterbore, the surface of the armature is coated with a non-magnetic coating, the top is provided with a first mounting hole, the elastic component is located in the counterbore and the first mounting hole, the coil is wound on the upper part of the armature and the outer wall of the boss, one end of the top rod is fixed with the armature, and the other end is arranged opposite to the steel ball, the first through hole is arranged in the valve body along the axial direction, is sleeved on the outer side of the lower part of the armature, the inner wall of the first through hole is provided with a limiting boss, the valve seat is fixed on the bottom of the first through hole, a cavity is formed between the top of the valve seat and the limiting boss, and the steel ball is located in the cavity.
Owner:SHAANXI HUACHENG LINGHANG ELECTROMAGNETIC TECH CO LTD

Electromagnetic absorbing composites

A composite comprising a polymeric matrix and EM absorbers dispersed within the polymeric matrix. Each EM absorber comprises a ceramic particle having a surface, and a magnetic coating on at least a portion of the surface of the ceramic particle. The EM absorbers function as dielectric and magnetic absorbers in the 1-100 GHz frequency range. The composite can be used as an electromagnetic shielding article to mitigate electromagnetic interference in, for example, high speed, high frequency (HSHF) consumer electronics.
Owner:3M INNOVATIVE PROPERTIES CO

Tympanic membrane ventilation pipe

The utility model discloses a tympanic membrane ventilation pipe which comprises a pipe body, a ventilation pipe body and a ventilation pipe body. The first limiting part is arranged at the upper end of the tube body and used for limiting the interior of the tympanic membrane; the second limiting part is arranged at the lower end of the tube body and used for limiting the exterior of the tympanic membrane, the second limiting part comprises a left limiting strip and a right limiting strip, and a clamping cake is arranged on the right limiting strip. A marking layer is arranged outside the clamping cake, and the marking layer is one or combination of more of a reflective coating, a metal coating and a magnetic coating. The first limiting part is symmetrically arranged in a flow guide groove in the pipe body, and an arc-shaped opening is formed in the center of the flow guide groove. And a slope is arranged at the end part of the diversion trench. The left limiting strip and the right limiting strip are adopted to form the second limiting part, the situation that the tympanic membrane ventilation pipe falls into the middle ear is effectively eradicated, the pipe body is short, the blocking phenomenon is effectively avoided, meanwhile, the ventilation holes are additionally formed in the side portion of the pipe body, and the situation that ventilation cannot be achieved due to pipe body blocking is further avoided.
Owner:HUNAN ANHAO BIOTECHNOLOGY CO LTD

Data connecting line of data collector

The utility model discloses a data collector data connecting line, the device comprises a coiling box, a coiling mechanism arranged in the center of the coiling box and a connecting line wound on the coiling mechanism, the coiling box is cylindrical and is internally provided with a cavity, the excircle of the coiling box is provided with two openings which are respectively arranged at the two sides, and the coiling box is provided with an opening. One end of the connecting wire is provided with a first interface and penetrates through the opening of the winding box, and the other end of the connecting wire is provided with a second interface and penetrates through the other opening of the winding box; the wire winding device is simple in structure and convenient to operate, redundant connecting wires can be wound into the wire winding box through the wire winding mechanism in the transmission process and then are fixed through the interface buckles, the stability of the length of the connecting wires is guaranteed, the wire winding device can be placed at a high position through the magnetic coating and cannot be accidentally touched by personnel, and the wire winding device is convenient to use. And when the equipment and the data need to be used, the connecting line can be stored back.
Owner:CHINA SCI & TECH INVESTMENT (BEIJING) CLOUD COMPUTING CO LTD

Magnetic functional film and thermal interface material

This invention relates to the field of thermal management technology, specifically to a magnetic functional thin film and a thermal interface material. The magnetic functional thin film comprises an acrylate polymer matrix and iron oxide-coated carbon fibers dispersed in the acrylate polymer matrix; the iron oxide-coated carbon fibers are oriented along the thickness direction of the magnetic functional thin film. This invention achieves efficient oriented alignment of carbon fibers under low magnetic field strength through a strategy of "magnetic coating + low magnetic field induction + ultrasonic vibration synergy," significantly improving the vertical thermal conductivity of the film while endowing it with excellent flexibility and mechanical strength. It can be widely used in fields such as chip heat dissipation, flexible electronics, and 5G communication equipment.
Owner:CHANGSHA LANGYUE NEW MATERIALS CO LTD +1

Silicon oxide waste material surface coating apparatus

ActiveCN224586589UAchieve pre-treatment cleaningIncrease the exposed areaMetallurgyElectric machine
The utility model relates to material processing field discloses a kind of silicon oxide waste cleaning surface coating equipment, including mounting bracket, the inside of mounting bracket is provided with crushing adsorption component, reaction tank is fixedly connected with the side wall of mounting bracket, heating stirring assembly is provided in the inside of reaction tank, the crushing adsorption component includes crushing box, pivot, crushing box top fixedly connected with feed hopper.The utility model in this paper, motor one drives transmission shaft, crushing wheel is carried out to the crushing of silicon oxide waste, and then motor two drives belt, and magnetic stripe is carried out to the conveying and impurity screening process of waste, waste is sheared extrusion crushing using crushing wheel, increase coating exposure area, while magnetic stripe adsorption contains magnetic coating impurities, to realize the pretreatment cleaning of silicon oxide waste, avoid the problem that large waste coating is wrapped and difficult to clean, magnetic impurities mix and pollute subsequent process, crushing magnetic attraction integration reduces work flow, improves work efficiency.
Owner:SUZHOU DEWEIKA PHOTOELECTRIC TECH CO LTD

Magnetic tape with permanent magnetic coating and preparation method thereof

The invention discloses a magnetic tape with a persistent magnetic coating and a preparation method of the magnetic tape. The magnetic tape comprises a non-magnetic support body, a non-magnetic layer, the persistent magnetic coating and a back coating, the persistent magnetic coating is obtained by coating persistent magnetic slurry and then curing, and the persistent magnetic slurry comprises the following raw materials in parts by weight: 80-99 parts of nanoscale magnetic particles, 1-20 parts of a binder, 1-5 parts of a dispersant, 1-5 parts of a lubricant, 1-3 parts of a curing agent and 300-500 parts of a solvent. According to the invention, the combination of polyethyleneimine and a long-chain isocyanate lubricant is added into the formula of the magnetic layer, the introduced long-chain isocyanate can increase the durability of the magnetic tape, and meanwhile, amino and isocyanate are subjected to an addition reaction to fix long-chain alkane on the surface of the magnetic layer, so that the consumption of the lubricant in the running process of the magnetic tape is further reduced, and the service life of the magnetic tape is prolonged. The lubricant composition formula effectively improves the durability of the storage tape.
Owner:CHANGZHOU GONGYUE STAR NEW MATERIAL TECHNOLOGY CO LTD

A chip cleaning device for sheet metal processing

ActiveCN224543953UElectric machinePhysics
The utility model relates to a kind of scrap cleaning device for sheet metal processing in sheet metal processing technical field, including processing table, the top fixed connection of processing table has fixed block;Start electric push rod one, make its telescopic end push fixed ring and all mechanisms thereon together move above processing table, in the moving process, the metal scrap on processing table is magnetically attracted by magnetic coating, so that metal scrap is adsorbed and gathered on connecting plate, to clean and collect metal scrap, after cleaning ends, make connecting plate reset, and the metal scrap adsorbed thereon can be removed, in use process, motor can be started, make its output end drive adjusting plate and all mechanisms thereon together rotate, to adjust the angle of magnetic coating, to better magnetically attract metal scrap, when using, it is convenient for personnel to clean and collect metal scrap quickly, and it is more time-saving and labor-saving, convenient for personnel to use when cleaning metal scrap.
Owner:HEFEI YONGLE MACHINERY CO LTD

Automobile wire harness with self-cleaning maintenance function

The utility model discloses an automobile wire harness with a self-cleaning maintenance function, and relates to the field of automobile wire harnesses, the automobile wire harness comprises a conductive wire core and a storage box used for storing the automobile wire harness, the outer side of the conductive wire core is sleeved with an insulation sleeve, the outer side of the insulation sleeve is sleeved with a protection sleeve, and the inner wall of the protection sleeve is coated with a magnetic coating; a cleaning groove is formed in the inner wall of one side of the storage box and penetrates through the outer surface of the storage box, a mounting frame is fixedly mounted in the cleaning groove, an inner cavity is formed in the mounting frame, and two arc-shaped magnets are arranged in the inner cavity. The cleaning device is simple in structure and good in cleaning effect, the two arc-shaped cotton brushes can be close to each other under mutual attraction of the arc-shaped magnets and the magnetic coatings, the arc-shaped magnets and the mounting frame are pulled out by a certain distance, the wire harness can be cleaned, and winding of the wire harness cannot be affected by too large friction force.
Owner:UMBRELLA YANGZHOU NEW ENERGY TECH CO LTD

Large-particle magnetic grinding material for group hole polishing and preparation method of large-particle magnetic grinding material

The invention discloses a large-particle magnetic grinding material for group hole polishing and a preparation method thereof. The magnetic grinding material is characterized by comprising a ferromagnetic phase matrix, grinding phase particles, a magnetic plating layer and an electroplating consolidation layer, the component of the ferromagnetic phase matrix is electrolytic iron powder; the grinding phase particles are one of three kinds of superhard particles including diamond, silicon carbide and boron nitride; the magnetic coating is a metal coating formed by chemical deposition of one of nickel, cobalt, iron and alloys of nickel, cobalt, iron and the alloys of nickel, cobalt, iron and the alloys of nickel, cobalt and iron and wraps the surfaces of grinding phase particles, and magnetic responsiveness and conductivity are improved; the electroplating consolidation layer is an electrolytic metal deposition layer of one of nickel, cobalt, iron, copper and alloys of nickel, cobalt, iron, copper and alloys of nickel, cobalt, iron, copper and alloys of nickel, cobalt, iron, copper and alloys of nickel, cobalt, iron, copper and alloys of nickel, cobalt, iron and copper; the magnetic grinding material is an aggregate large-particle grinding material and has high self-adaptability to polishing of group holes with complex shapes, the problem that a single-particle grinding material is stuck or sinks inwards is solved, and the material removal rate and the machining stability are improved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Land area measuring device

The invention relates to the technical field of land area measurement, and particularly discloses a land area measuring device, when the device is used, the device is supported through four groups of stabilizing modules, and when a lifting module is used for lifting a mounting table and a land measuring instrument, a telescopic rod slides out of a round hole, so that a roller is always located on the ground, and the device is convenient to use. When the land measuring instrument stops ascending, the electromagnet is electrified, has magnetism and is adsorbed with the magnetic coating, so that the electromagnet is fixed, the telescopic rod does not slide any more, self-locking of the telescopic rod is completed, and when the land measuring instrument descends, the mounting rod descends and cooperates with the rolling effect of the rolling wheels on the ground, the telescopic rod gradually shrinks into the round hole, and the ground measuring instrument is fixed. And when the land measuring instrument stops descending, the electromagnet is adsorbed with the magnetic coating, so that the telescopic rod does not slide any more, and the telescopic rod is locked, so that the stabilizing module is automatically adjusted along with ascending and descending of the land measuring instrument and is automatically locked after ascending and descending are completed, and the use convenience of the device is improved.
Owner:LUDONG UNIVERSITY

Magnetic effect pre-coated colored tape and preparation method and printing method thereof

The invention relates to an anti-counterfeiting material and a preparation method thereof, in particular to a pre-coated ribbon with a magnetic effect and a preparation method and a printing method of the pre-coated ribbon. In order to overcome the defects that in the prior art, magnetic printing equipment is difficult to install and is difficult to flexibly adapt to different printing processes, the pre-coated ribbon with the magnetic effect comprises a base film and a plurality of coatings which are sequentially arranged on the base film, the multiple coatings comprise a bottom coating, a release layer, a magnetic coating, a first reinforcing coating and a back adhesive layer which are sequentially arranged from the position close to the base film, the bottom coating is used for improving the surface adhesive force of the base film, the release layer has the release and trimming effects, the magnetic coating is used for expressing the magnetic effect, and the first reinforcing coating is used for improving the surface adhesive force of the base film. The first reinforcing coating is used for reinforcing the connecting force between the magnetic coating and the back adhesive layer, and the back adhesive layer is used for being bonded with a printing stock during hot transfer printing; meanwhile, the invention further provides a preparation method and a printing method of the pre-coated colored tape with the magnetic effect.
Owner:XIAN BANKNOTE PRINTING CO LTD XIZHENG ANTI-COUNTERFEITING PRINTING BRANCH

Flexible data line with improved EMC electromagnetic compatibility and method for manufacturing the same

The application discloses a flexible data line for improving EMC electromagnetic compatibility and a preparation method thereof. The data line comprises a flexible coated material in the core, a flexible soft magnetic coating layer in the middle and a flexible outer sheath layer from inside to outside. The flexible soft magnetic coating layer is a composite material layer in which partial or all soft magnetic magnetic powders in a flaky shape are uniformly distributed in a base component containing an auxiliary agent. Partial or all easy magnetization axes in the flexible soft magnetic coating layer are oriented along the axial circumferential surface of the data line. The orientation is established by combining and superimposing the axial circumferential surface, macroscopic morphology and easy magnetization axis, so that the coverage and density of the axial circumferential surface of the data line are increased, the contribution of the magnetic permeability is strengthened, the shielding effectiveness of the data line is improved under an electromagnetic environment of 200 KHz-20 GHZ, the data line after extrusion forming satisfies the mechanical strength of the whole flexibility and is free of cracking, and mass production and efficient production are possible.
Owner:GUANGZHOU NEWLIFE MAGNETICS CO LTD

Automatically and vertically coiled, ribbon-shaped and freely extendable / retractable magnetic attraction data cable, preparation method therefor and use thereof

An automatically and vertically coiled, ribbon-shaped and freely extendable / retractable magnetic attraction data cable, a preparation method therefor and a use thereof. The data cable sequentially comprises, from inside to outside, a flexible coated object serving as a core, a middle flexible permanent-magnetic coating layer and an outer flexible sheath layer which are tightly bonded. The preparation method for the data cable comprises the following steps: step A, performing extrusion molding; and step B, first performing pre-magnetization to form a vertically coiled ribbon shape, orienting under a 180° constant magnetic field in the north-south direction, and finally performing full magnetization. The problem in the prior art of inadequate magnetic attraction in automatic coiling of data cables is solved, so that the magnetic properties of samarium-iron-nitrogen magnets exhibiting a magnetocrystalline anisotropy field significantly higher than that of other permanent magnet materials can be better utilized, and the magnetization mode is more user-friendly; moreover, the data cable has significant advantages in terms of temperature resistance, corrosion resistance and demagnetization resistance, and achieves the breakthrough of meeting the magnetic attraction requirements of data cables by means of magnetic layer thickening.
Owner:GUANGZHOU NEWLIFE MAGNETICS CO LTD

Preparation method of heterogeneous coating material and application of heterogeneous coating material

The application discloses a preparation method of heterogeneous coating material and application of the heterogeneous coating material and belongs to the technical field of heterogeneous coating powder material preparation. The method comprises the following steps: performing surface magnetization treatment on the surface of a material to be plated to obtain a material to be plated containing a magnetization layer; and placing the material to be plated containing the magnetization layer in an electroplating solution to perform magnetohydrodynamic electroplating treatment, thereby obtaining the heterogeneous coating material. The magnetohydrodynamic electroplating treatment is performed in a cyclic alternating environment of a magnetic field and a flow field, the single holding time of the magnetic field is 10-200s, the magnetic field is always applied on the cathode side, and the single fluidization time of the flow field is 3-50s. The method realizes low-cost and large-batch pre-magnetization treatment of non-magnetic powder by depositing a magnetic coating on the surface of the material to be plated through single chemical plating; and then through magnetohydrodynamic electroplating treatment, the synergistic effect of the magnetic field force and the flow field force is utilized to realize the large-scale and continuous coating of the material to be plated, thereby obtaining a metal-coated powder with a uniform and dense plating layer and low cost.
Owner:INST OF MATERIALS HENAN ACAD OF SCI +1

Reaction kettle

The utility model provides a reaction kettle. A reaction kettle body of the reaction kettle is provided with a closed space; the stirring device is positioned in the closed space of the reaction kettle body and is used for stirring reaction turbid liquid in the reaction kettle body; the base is arranged on the inner wall of the closed space of the reaction kettle body; the surface of the metal film tube is provided with a diamagnetic coating, and the diamagnetic coating is used for inhibiting magnetic adsorption of a chelating agent to the metal film tube; the metal film tube is arranged on the base and is used for filtering a reaction turbid solution in the reaction kettle body to obtain a reaction clear solution. The diamagnetic coating is arranged on the surface of the metal film tube of the reaction kettle, and the diamagnetic coating is used for inhibiting the magnetic adsorption effect of the chelating agent on the metal film tube, so that the chelating agent is prevented from being adsorbed on the surface of the metal film tube and in the filtering holes of the metal film tube to influence the filtering effect of the metal film tube. When the metal film pipe is cleaned, the metal film pipe can be easily cleaned, the cleaning frequency of the metal film pipe is reduced, and the productivity of the reaction kettle is improved.
Owner:DONGMING RISUN CHEM CO LTD

Wide-range distributed neural signal acquisition and regulation device

The invention discloses a wide-range distributed neural signal acquisition and regulation device, and relates to the technical field of neural signal acquisition, the device comprises a microfluidic channel inlet, a circuit board, a regulation connection channel, a hollow sleeve, a plurality of magnetic traction electrode wires and a plurality of flexible substrates; the magnetic traction electrode wire comprises a coating layer, a magnetic coating at the tip, an electric channel, a hollow microfluidic channel and an optical channel; one end of the electric channel serves as a first end of the magnetic traction electrode wire and is connected to a corresponding IO interface of the circuit board; an inlet of the micro-fluidic channel is connected with the hollow sleeve to form a channel; the second end of the magnetic traction electrode wire is arranged in the flexible substrate, each flexible substrate is provided with an opening as a microfluidic channel outlet, and the tail end of the second end of the magnetic traction electrode wire is provided with a magnetic coating and is arranged at the corresponding microfluidic channel outlet; the circuit board is used for being connected with an external electrophysiological signal collecting instrument so as to collect signals of the magnetic traction electrode wire. According to the invention, large-range and deep neural signals can be acquired.
Owner:SUN YAT SEN UNIVERSITY SHENZHEN +1

Scaffold capable of being quickly assembled

The utility model discloses a quick assembly scaffold which comprises a vertical rod, a fixed bottom plate, a pedal plate and a fixed gasket, the fixed gasket is in a semi-cone cylinder shape, the inner side of the fixed gasket is provided with a binding face attached to the vertical rod and an inner side flange, and the binding face is provided with a magnetic coating or a magnetic patch; annular grooves which are uniformly distributed in the extension direction of the vertical rod are formed in the surface of the vertical rod, so that the surface of the vertical rod is bamboo-shaped; the fixing bottom plate and the pedal plate are rectangular, sleeves are arranged at the four corners of the fixing bottom plate and the four corners of the pedal plate, and the inner wall faces of the sleeves are in conical shapes corresponding to the outer surfaces of the fixing gaskets. According to the scaffold capable of being rapidly assembled, the sleeve is matched with the fixing gasket, so that the whole scaffold can be fixedly connected through the dead weight of the fixing bottom plate and the pedal plate, a large number of fasteners are prevented from being installed, the installation procedures are reduced on the premise that stability is guaranteed, and the installation speed is increased.
Owner:INNER MONGOLIA FUCHUN REAL ESTATE CO LTD

A detachable inner lining injection molded shoe

ActiveCN224461172UAir pumpMetal sheet
The utility model relates to a kind of detachable lining injection shoes in the technical field of injection shoes, including injection shoe body, the inside of injection shoe body is provided with sponge lining, the inside wall of injection shoe body is fixedly connected with multiple sucking disc;Sucking disc can be removed the adsorption effect to sponge lining, then sponge lining is moved up, make magnetic coating and metal sheet separate, until sponge lining is taken out from inside injection shoe body, when personnel feet sweat a lot or water enters shoe, micro air pump can be started, so that its outlet end carries out inflation to the inside of sponge lining, then gas will pass through sponge lining and enter inside injection shoe body, to speed up the speed of injection shoe body air flow, to improve the speed of drying inside injection shoe body, when using, it not only can disassemble sponge lining, improve the convenience of personnel when replacing and cleaning it, but also can carry out air blowing treatment to inside injection shoe body, improve its internal drying speed.
Owner:QINGDAO RENDA SHOES CO LTD

Marine micro-plastic sorting device based on magnetic marking technology

The invention discloses an ocean micro-plastic sorting device based on a magnetic marking technology, and belongs to the technical field of ocean micro-plastic sorting, the sorting device comprises a sorting container, a cover body hinged to the sorting container and magnetically attracted to the sorting container, and a liquid inlet pipe fixedly arranged on the cover body; the primary screening piece is arranged in the liquid inlet pipe; the mixing structure is arranged on the cover body, is communicated with the liquid inlet pipe and the cover body and is used for combining the Fe3O4 nano ferrofluid and the micro-plastic to form a magnetic coating layer; and the magnetic attraction structure is arranged in the sorting container. According to the marine micro-plastic sorting device based on the magnetic marking technology, strong magnetic substances in seawater are preliminarily separated through the preliminary screening piece so as to reduce interference and improve the sorting quality, Fe3O4 nano ferrofluid is combined with micro-plastic through the rotating cylinder, the electromagnetic valve, the piston assembly and the transmission assembly, and then the micro-plastic is separated out through magnetic attraction of the magnetic attraction structure; and the marine micro-plastic sorting effect can be improved.
Owner:OCEAN UNIV OF CHINA

Screw sleeve structure for automobile maintenance

The utility model relates to the technical field of automobile accessory tools, in particular to a screw sleeve structure for automobile maintenance. Which comprises a handle and is characterized in that a hanging hole is formed in one end of the handle, a connecting port is formed in the other end of the handle, one end of the connecting port is connected with a body, a shell is arranged on the outer wall of the body, a fixing pin is arranged at the joint of the connecting port and the body, a reversing assembly is arranged in the body, and an inner hexagonal sleeve is arranged on one side of the reversing assembly. Through the design of the reversing assembly, the sleeve can adapt to the operation requirements of different angles, the use flexibility and convenience are greatly improved, sufficient light sources are provided through the arrangement of the LED lamps, and the operation accuracy and safety can be ensured even in the dark environment; the magnetic coating at the joint of the inner hexagonal sleeve and the main body increases the adsorption force, so that the screw is effectively prevented from falling off in the use process; due to the anti-skid rubber sleeve on the outer wall of the handle, the holding comfort and stability are improved, and hand fatigue caused by long-time operation is reduced.
Owner:HANGZHOU KANGDA TOOLS CO LTD

Anti-nuclear radiation magnetic fluid sealing device

An anti-nuclear radiation magnetic fluid sealing device includes a magnetically conductive rotating shaft, a magnetically conductive housing, a left snap ring, a left bearing, a left magnetically isolating ring, a left pole shoe, a magnetically isolating sleeve, an outer permanent magnet, an inner permanent magnet, a right pole shoe, a right magnetically isolating ring, a right bearing, a right snap ring, an end cover, an anti-radiation coating, an anti-magnetic coating, a magnetic fluid I, and a magnetic fluid II. An outer magnetic circuit and an inner magnetic circuit are formed using the magnetically isolating sleeve. The magnetically conductive housing, the left pole shoe, the outer permanent magnet, the right pole shoe, and the magnetic fluid I forms a magnetic fluid static seal. The magnetically conductive rotating shaft, the left pole shoe, the inner permanent magnet, the right pole shoe, and the magnetic fluid II form a magnetic fluid dynamic seal.
Owner:TSINGHUA UNIVERSITY +1

Strip-shaped automatic magnetic attraction free stretching data line for vertical steering wheel and preparation method and application of strip-shaped automatic magnetic attraction free stretching data line

The invention discloses a vertical steering wheel strip-shaped automatic magnetic attraction free stretching data line and a preparation method and application thereof.The data line sequentially comprises a core flexible coated object, a middle flexible permanent magnet magnetic coating layer and an outer flexible outer coating layer which are tightly connected from inside to outside, and the preparation method comprises the following steps that A, the flexible coated object, the middle flexible permanent magnet magnetic coating layer and the outer flexible outer coating layer are tightly connected; performing extrusion molding; and step B, pre-magnetizing is carried out for vertical steering wheel strip-shaped shaping, then 180-degree constant magnetic field orientation is carried out in the south-north direction, and finally magnetizing is carried out. According to the data line, the phenomenon that automatic curling and magnetic attraction of the data line are not completed in place in the prior art is solved, the samarium-iron-nitrogen magnetic performance far higher than that of a magnetocrystalline anisotropic field of other permanent magnet materials can be better exerted, the data line is resistant to temperature, resistant to corrosion and demagnetization and has more advantages, and the situation that the attraction requirement of the data line is met through a thickened magnetic layer is avoided.
Owner:GUANGZHOU NEWLIFE MAGNETICS CO LTD

Optical sensor

The invention relates to a sensor and a method for capturing a physical influencing variable, comprising at least one optical transmitter (TX) and at least one optical receiver (RX). The invention further relates to a production method for an optical sensor and to an electrical component having an optical sensor. The proposed sensor has at least one optical transmitter (TX) and at least one optical receiver (RX), and an arrangement of at least one optical waveguide (OF) between the optical transmitter (TX) and the optical receiver (RX). The optical waveguide (OF) is arranged with a functional element on a mechanically deflectable web (ST, SE, SM). The functional element can be a bimetal, a ferroelectric coating or a magnetic coating. Depending on the physical influencing variable, a temperature to be captured, an electric field or a magnetic field, the functional element experiences a force and causes a deflection of the web (ST, SE, SM). The optical received signal correlates with the physical influencing variable by means of an optical coupling point in the optical waveguide (OF) between the mechanically deflectable web (ST, SE, SM) and the optical receiver (RX), which coupling point is passable only for a reduced optical power in the event of deflection of the web (ST, SE, SM).
Owner:SIEMENS AG

Magnetic micro-crack textile composite sensor and preparation method thereof

This invention discloses a magnetic microcracked textile composite sensor and its preparation method, belonging to the field of intelligent textile technology. The sensor includes a textile substrate layer, a magnetic coating, an induction coil layer, and a moisture-permeable and waterproof encapsulation film. The magnetic coating is applied to the textile substrate layer and contains a mesh-like microcrack pattern. The induction coil layer is disposed on the magnetic coating and is formed by liquid metal embroidery or conductive yarn weaving. The moisture-permeable and waterproof encapsulation film covers the induction coil layer. This invention forms a mesh-like microcrack pattern in the magnetic coating through a pre-stretching-drying process, uses liquid metal embroidery or conductive yarn weaving to form the induction coil, and encapsulates it with a moisture-permeable and waterproof encapsulation film. The resulting sensor has good bending sensitivity, water washing stability, and breathability, meeting the sensing requirements of wearable devices.
Owner:GUANGDONG VOCATIONAL & TECHNICAL COLLEGE

Magnetic coating tool for hot riveting head

The utility model relates to a hot riveting head magnetic absorption coating tool, which belongs to the technical field of coating tools, and comprises a tool main body, the tool main body comprises a polyhedral hanger and a magnetic absorption hanging plate, the two ends of the polyhedral hanger are respectively provided with a clamping hole, the polyhedral hanger is provided with a plurality of clamping end faces in the circumferential direction, the clamping end faces are provided with a plurality of hanging holes, and the magnetic absorption hanging plate is arranged on the polyhedral hanger. And the magnetic hanging plate is detachably connected with the hanging hole. After the magnetic tool is used, the product clamping modes of all the hot riveting heads are consistent, the coating thickness is uniform and consistent, the coating appearance is stable and unchanged, most importantly, the clamping number is large, the coating cost is low, the clamping efficiency is high, and the production efficiency is improved.
Owner:PVT COATING CHANGZHOU

A mechanical experiment cart

This invention relates to the field of mechanical experiment carts, and more particularly to a mechanical experiment cart, comprising a control box, a guide rail mounted on the lower part of one side of the control box, side plates fixedly connected to the front and rear sides of the top of the guide rail, a baffle fixedly connected to the side of the top of the guide rail away from the control box, a housing provided on the top of the guide rail, an expansion groove installed in the middle of the top of the housing, multiple counterweights provided on the inner side of the top of the expansion groove, magnetic coatings provided on the upper and lower parts of the counterweights, a wireless charging area provided in the middle of the bottom of the housing, and wheels mounted on the front and rear sides of both sides of the bottom of the housing. This invention allows for fine-tuning of the cart's center of gravity by adjusting the amount of counterweight liquid inside different sleeves, ensuring the center of gravity remains centered, thus maintaining the cart's stability and preventing the center of gravity from shifting, which could affect the cart's direction of travel and lead to inaccurate experimental results.
Owner:SHANGHAI LIEUTENANT GENERAL SCI & EDUCATION EQUIP CO LTD