104results about How to "Good dustproof" patented technology

The invention provides super-hydrophobic cement and a preparing method and application thereof. The preparing method comprises the steps that cement powder, fine sand and hydrophobic modifier are added into ethyl alcohol in sequence under low-speed mechanical stirring conditions, and then high-speed stirring is conducted to obtain a modified cement fine sand solution; the modified cement fine sandsolution is filtered, dried and smashed to obtain super-hydrophobic cement fine sand mixed powder; under low speed mechanical stirring conditions, the super-hydrophobic cement fine sand mixed powderis put into an aqueous solution containing surfactant, dispersing agent and fluoroalkyl silane, and then mechanical stirring is conducted to form the super-hydrophobic cement. According to the method,a coating does not need to be prepared additionally, the technology is simple, the operation is simple, the super-hydrophobic cement is suitable for large-scale preparation and production, the overall super-hydrophobic property of obtained concrete is good, the inside is still not super-hydrophobic after abrasion, the super-hydrophobic property is not easily damaged, and the super-hydrophobic cement is applicable to various concrete application places and has a good prospect.

The invention relates to the field of textile dyeing of polyester and dark fabrics such as blended fabrics, pure cotton, adhesives and hemp, in particular to a softening agent capable of improving the sublimation fastness of a disperse dye and the wet friction fastness of a reactive dye. The softening agent is characterized by mainly comprising the following raw materials in percentage by weight: bi-ethyl palmitate based quaternary ammonium salt, triethanolamine fatty acid ester quaternary ammonium salt, chitosan, polyvinyl pyrrolidone, polyether modified silicone oil, ternary polymerization block silicon oil, collagen and purified water. Compared with the prior art, the softening agent has the advantages that the sublimation fastness of the disperse dye can be improved by 0.5 to 1 grade and the wet friction fastness of the reactive dye can be improved by 0.5 grade after the sizing of a dyed fabric; and simultaneously, the neatened fabric is endowed with elastic and exquisite handfeel, so that the fabric is high in pollution resistance, dust resistance, shrinkage resistance, pilling resistance and static electricity resistance.

The invention relates to a tower frame type combined driving oil extractor, which comprises a tower frame, a power system, a driving system, a control system, a balance weight box, a balance weight pulling rope, a driving rope, a polished rod eye and a guide wheel mechanism, wherein the driving system transmits power to a first transmission shaft after first reduction through a belt, a chain or combination of the belt and the chain, and drives a second transmission shaft after second reduction through a pair of gears, to drive the driving rope and the balance weight pulling rope which are rewound and fixed on a rope pulley, thereby a pumping rod and the balance weight box move up and down to complete operation of oil extraction. The driving system of the tower frame type combined driving oil extractor adopts the combined transmission form of gears and belts; the balance weight box adopts main and auxiliary multilevel adjustable balance weight; and the guide wheel is fixed on an operating platform through a rotating shaft, so that the tower frame type combined driving oil extractor has the advantages of simple structure, low cost, small number of fault points, convenient maintenance, suitability for various operating conditions of oil extraction, high transmission efficiency, low energy consumption and so on.

The invention discloses a preparation method for corncob-shaped polyaniline-supported halloysite nanotube modified polypropylene (PP). The method comprises the following specific steps: performing in-situ polymerization on aniline on cleaned halloysite nanotubes in an ice-water bath, performing mixing on corncob-shaped polyaniline-supported halloysite nanotube composite powder obtained by vacuum drying and a PP plastic in a high-speed mixing machine according to a certain ratio, performing extrusion granulation by using a twin-screw extruder, and performing injection molding by adopting an injection molding machine to prepare a standard sample strip of the halloysite nanotube-polyaniline / PP composite material. The corncob-shaped polyaniline-supported halloysite nanotubes prepared by the method provided by the invention have excellent electrical conductivity, thermal conductivity and flame retardance, the mechanical properties of the composite material can be improved, electrical and flame-retardant properties of a PP engineering material can be improved, and an application field of PP is greatly expanded.

The invention discloses an air conditioner. The air conditioner comprises a housing body, a panel and a panel driving mechanism, wherein the housing body is provided with an air outlet, the panel is arranged in the front of the housing body, and the panel driving mechanism is in driving connection with the panel. The panel can move up and down relative to the housing body under driving of the panel driving mechanism, and the air outlet can be concealed or exposed optionally through the lower end of the panel. The air conditioner in the above structure is seamless on the front side when in non-operating state, so that not only is the dust avoided entering the air conditioner, but the air outlet can be well dustproof, and appearance delicacy and level of the air conditioner are improved.

The invention discloses a conductive liquid micro driving device and applications thereof. Multiple rectangular coils form a coil array, multiple sequentially-arranged electromagnetic poles are formed, insulation layers are arranged among wires of the rectangular coils, magnetic conductive layers fills gaps of the wires of the rectangular coils coated by the insulation layers and the outer parts, a sealing cover realizes functions of three protection and mechanics and the like, inverters are connected with the rectangular coil array, a time-varying electric field generates a traveling wave magnetic field in the same direction and an electromagnetic force, the electromagnetic force drives the conductive liquid to flow, a flexible substrate can be connected with a selected mounting part, and a pipeline inner wall or an outer wall phase in a different shape can be matched. Accurate control on different components, the flow amount, the flow direction and the flow speed of the conductive liquid can be realized, and the conductive liquid micro driving device has the advantages that the overall structure is compact; the device is flexible and deformable; pressed driving does not exist; no push rod mechanism is needed; the pipeline can be cleaned by itself; assembly and disassembly are convenient; the space utilization rate is high; the application range is wide; the use is simple; portability is realized; the noise is small; the service life is long and the like.

The invention discloses a bacteriostatic anti-mite sponge. The bacteriostatic anti-mite sponge is generated by foaming of a mixture comprising the following materials: polyhydric alcohols including polyether polyol, polymer polyol and polyester polyol; and nanometer zinc oxide with a particle size in a range of 1 nanometer to 100 nanometers, wherein 0.1 part to 10 parts of the nanometer zinc oxideis added into every 100 parts by mass of the polyhydric alcohol. According to the invention, the antibacterial zinc oxide is added into an emulsion for producing the sponge, so the breeding of bacteria such as mould can be inhibited, the purpose of blocking mite food chains is achieved, and a sponge product is capable of fundamentally preventing and inhibiting mites; through the combined reactionof various polyols, a catalyst, a modifier and the nanometer zinc oxide, the sponge has the characteristics of excellent insulation, static prevention and dust prevention, and has soft hand feeling.

The invention provides a cabinet structure. The cabinet structure comprises a framework, a cover plate and side plates, wherein the side plates are arranged around the framework. The framework comprises an upper frame and a bottom frame. The framework is formed by connecting the upper frame with the bottom frame through a corner connector and a column profile. The upper frame and the bottom frame are formed by respectively connecting two crossbeam profiles with two longitudinal beam profiles. The column profile is in a symmetrical structure with a sectional split line as the center. The cabinet structure further comprises a dustproof drain connected with the outer wall of the framework. The dustproof drain comprises an end face connected with the outer wall in parallel. The end face transitions to an airfoil through a U-shaped support section. Sealing elements are respectively arranged between the cover plate and the side plate and between the upper frame and the bottom frame. A dust trench is formed by the edge of the cover plate, the edge segment of the side plates and the dustproof drain. A labyrinth seal 1 is formed by the end face, the cover plate and the sealing element. A labyrinth seal 2 is formed by the airfoil, the side plates and the sealing element. Due to the structure design of three seals of the dust trench, the labyrinth seal1 and the labyrinth seal 2, the cabinet structure is provided with good sealing, enough industrial production (IP) level, and therefore the cabinet structure is capable of adapting the harsh industrial environment.

The invention discloses a transformer with good dustproof and heat dissipation effects, and the transformer comprises a supporting mechanism, a protection mechanism, a heat dissipation mechanism, a controller and a temperature sensor; the supporting mechanism comprises a base, universal self-locking wheels, a drying box, a drying agent, through holes and limiting grooves, the limiting grooves aresymmetrically formed in the upper portion of the base, the drying agent is arranged in the drying box, and the drying agent is arranged in the limiting grooves; the protection mechanism is arranged above the supporting mechanism, and a sound insulation plate is connected to the inner side wall of the dustproof shell. According to the transformer with the good dustproof and heat dissipation effects, the temperature sensor is arranged, when the temperature sensor detects that the temperature in the dustproof shell exceeds a set value, the temperature sensor can transmit detected information to the controller, and the controller starts the draught fan and the refrigerating device to discharge cold air into the dustproof shell through the air exhaust head; therefore, the transformer body in the dustproof shell can be quickly cooled, and the transformer body can be effectively prevented from being damaged due to over-high temperature of the transformer body.

The invention relates to a front frame structure of a skylight of an automobile. The front frame structure is characterized by comprising a frame body and two frame bent edges; the frame body is arranged at the front of the skylight of the automobile, two ends of the frame body are respectively connected with the two frame bent edges by means of integral injection molding, a mechanical group driving system mounting seat, two mechanical group driving plastic hose mounting seats, a skylight mounting seat and a skylight internal sealing strip adhesion seat are sequentially arranged on the frame body from front to back, a windshield net mounting support groove and a windshield net deviation guide rod accommodating groove are sequentially formed in the frame body from front to back, a plurality of fixing seats are connected onto the two mechanical group driving plastic hose mounting seats by means of integral injection molding, plastic hoses are penetratingly connected with the fixing seats in a limited manner, the two mechanical group driving plastic hose mounting seats respectively extend onto the two frame bent edges, a plurality of windshield net mounting support seats for fixing windshield net mounting supports are arranged in the windshield net mounting support groove, two ends of the windshield net mounting support groove and two ends of the windshield net deviation guide rod accommodating groove extend to the two frame bent edges in a bent manner and are communicated with drain grooves in the two frame bent edges, the drain grooves are externally communicated with drain pipes outside the frame bent edges, and a sunshade curtain mounting seat is arranged under the skylight internal sealing strip adhesion seat.

Disk like or tabulate leak free gas cell is composed of panel of key button made from flexible insulation material and support back plane. Upper layer circuit is coated on inner side of faceplate, and lower circuit is coated on inner side of support back plane. Insulated gas is filled into gas cells. Advantages of the invention are small size, lightweight, windable and portable as well as properties of waterproof, dustproof and low noise.

The invention provides a law enforcement recorder which comprises an anti-seismic shell and a recording device, the anti-seismic shell comprises an outer shell body, a shell cover and an inner shell body, the outer shell body and the shell cover are combined to form a closed shell body, the inner shell body is fixedly installed in the outer shell body and the shell cover, and the recording deviceis fixedly installed on the inner shell body; a first slit type air duct is formed between the outer wall of the inner shell and the inner wall of the outer shell; a second slit type air duct is formed between the outer wall of the inner shell and the inner wall of the shell cover; and an isolation mechanism and an air blowing mechanism are arranged in the top end of the anti-seismic shell. The isolation mechanism divides the interior of the anti-seismic shell into a first air channel and a second air channel, the first air duct is communicated with the first waterproof ventilation valve and the first slit type air duct, the second air duct is communicated with the second waterproof ventilation valve and the second slit type air duct, and the first air duct and the second air duct are communicated through a gap between the bottom end of the inner shell and the outer shell. The law enforcement recorder has the excellent waterproof, dustproof, anti-seismic and heat dissipation performances. The invention also provides a management system applying the law enforcement recorder.

The invention discloses a method for manufacturing an ultra-thin type touch switch. The product manufacturing procedures include that PI film (or a thin plate), a silica gel button, a PI top film raw material and a hardware raw material are fed for raw material inspection; then bottom film, face film, a cavity, an A / B PIN are molded in a punching mode; the e-plating subcontractor is carried out on the A / B PIN; primary hot-press bonding of the bottom film, the A / B PIN and the face film, secondary hot-press bonding of the bottom film, the A / B PIN and the face film, metal elastic sheet implantation, top film covering, third-time hot-press bonding, cutting molding, product detection and braiding packaging are carried out. The method has the advantages that the process is simple, the device occupation space is small, the production steps are few, and the quality is easily managed and controlled.

The invention discloses a passive temperature test system for the key point of primary equipment in a substation. The system comprises a UHF-RFID electronic tag, a reader and a background management and analysis system. The passive electronic tag is attached to an equipment temperature detection point. An operator carries the hand-held reader to conveniently read the actual temperature of the equipment temperature detection point. The hand-held reader transmits the temperature information to a background server in the serial communication manner. The temperature information analysis of the electronic tag is realized based on the background system software in combination with the network communication technology, the database management technology and the like. Meanwhile, the current state information of the equipment is automatically provided.

The invention relates to a grease-lubrication soft-start planetary differential reducer for bearings. The reducer comprises a box body and an input bevel gear pair, a planetary transmission piece, a speed-up transmission piece and a brake piece which are arranged in the box body. A sealed bearing is used as the supporting structure of a solar wheel axle and a shaft gear in the box body. The structure of the sealed bearing is compact and the requirement on the axial dimensions of the sealed bearing is low, so that the reducer has the advantages of simpleness in the installing structure and convenience in installation and maintenance. The self-seal of the sealed bearing has good dust prevention and sealing effects. In addition, good operative condition can be maintained in the process of the operation of the bearing without the supply of lubricant, so that the maintenance cost is reduced. The reducer is applicable to equipment which has complicated structure, strict requirement on sealing, difficulty in maintenance and oil supply and inconvenience in adoption of an additional sealing device.

The invention discloses a combed composite quilt and a manufacturing process thereof. The combed composite quilt is manufactured by wrapping a comforter inner with a quilt cover. The comforter inner comprises an outer wrapping layer and an inner core layer, and the weight ratio of the outer wrapping layer to the inner core layer is 1:3. The outer wrapping layer comprises raw cotton, polyacrylonitrile fibers, polynosic, bamboo carbon fibers, bast fibers, polypropylene melt sprayed yarn and spandex fibers. The inner core layer comprises raw cotton, polyvinyl alcohol fibers and polyvinyl chloride fibers. The combed composite quilt is good in warm keeping performance, softness and comfortableness, free of static, damp-proof, dustproof, resistant to dirt, breathable and antibacterial.

The invention provides a portable all-digital real-time simulation instrument of a power system. The portable all-digital real-time simulation instrument of the power system comprises a machine case, a main control board, a function board and a calculating unit, wherein the main control board, the function board and the calculating unit are placed inside the machine case. The main control board, the function board and the calculating unit are in mutual communication through a PCI bus, and the main control board controls the operation and communication between the function board and the calculating unit. The function board comprises an AI channel, an AO channel, a DI channel and a DO channel which are in communication connection with the outside. The all-digital real-time simulation instrument comprises the three working modes of an idle mode, an opened loop mode and a closed loop mode. When the all-digital real-time simulation instrument operates in the closed loop mode, the function board and an outside power amplifier device are connected through a simulation signal line. The closed loop test process is based on a precision operation sequence, a mature multi-core processor industrial platform is selected and used as a computing platform core, a shared memory communication mode is based, and the simulation instrument is made to meet the demands of site testing from the aspects of computing performance, IO interfaces and the like through a network parallel computing technology.

The invention discloses a method for online detection of a cap pressing claw of a beer pull ring cap and belongs to the technical field of beer cap pressing. According to the method, a detector is arranged for conducting online detection on the cap pressing claw completing cap pressing operation every time and for outputting a detection result. The invention further discloses a cap pressing machine for achieving the method for online detection of the cap pressing claw of the beer pull ring cap. Through the method for online detection of the cap pressing claw of the beer pull ring cap and the cap pressing machine, the cap pressing claw can be detected online, and detection efficiency and detection precision are improved.

The invention relates to the technical field of road anti-fog, in particular to a fog lamp and a method for improving driving safety in foggy areas. The fog lamp used in the method at least includes a lamp body (100) having a light-emitting surface (110) and a reflective surface (120). ) towards the front of the vehicle, and the reflective surface (120) towards the rear of the vehicle. By setting the fog lamps through the method of the invention, the blind area is small and the anti-fog effect is good.

The invention belongs to the technical field of synthesis of organic polymers and particularly relates to polyester protective film for cellphones and a preparation method thereof. The polyester protective film for cellphones is made from, by mass, 60-90 parts of polyether polyol A, 10-40 parts of polyether polyol B, 20-50 parts of HMDI (hexamethylene diisocyanate), and 2-7 parts of a curing agent; the polyether polyol has two degrees of functionality and molecular weight of 800-1500; the polyether polyol B has two degrees of functionality and molecular weight of 500-800. The polyester protective film for cellphones has good shatter-proof performance, wear resistance, dustproof performance, water resistance, anti-fingerprint performance, light transmittance, and toughness. The preparationmethod is simple to perform, scientific and reasonable, low in cost, and free of pollution.

The invention relates to a rechargeable battery socket and a manufacturing method thereof. The rechargeable battery socket comprises an insulation base body, a plurality of wiring terminals which are accommodated in the insulation base body and a protection cover which is covered on one side of the insulation base body. The insulation base body is provided with a plurality of through grooves. Each of the wiring terminals is provided with a contact portion which is accommodated in the through groove of the insulation base body and a tail portion which extends out of the insulation base body. The inner walls of the through grooves of the insulation base body are formed with convex ribs. The contact portions of the wiring terminals are cooperated with the convex ribs so as to fix the wiring terminals in the insulation base body. The wiring terminals and the insulation base body are closely cooperated, so that the rechargeable battery socket is allowed to be simple in manufacturing process, and notable in dustproof and waterproof effects.

The invention discloses a fully-opened multifunctional moving rotating hermetic window which mainly comprises window doors, window frames and demising doorposts. The fully-opened multifunctional moving rotating hermetic window is made of sections. The window frames and the window doors are provided with structural design of grooves, clamping position passing strips, positioning holes, positioning shafts, rotary knobs and limiting buttons, and a function of opening the window completely by integrating the demising doorposts is achieved; hooks and shaft seats are hidden in the grooves of the window frames and the window doors, a variously functional platform can be self-created through the hooks and the shaft seats, and accordingly, multifunction of the window can be realized.

The invention discloses an MXene-based conductive self-cleaning composite fabric for electromagnetic shielding and a preparation method of the MXene-based conductive self-cleaning composite fabric. The method comprises the following steps: firstly, constructing a basic conductive functional coating on a fabric in a manner of dip-coating a mixed solution of MXene and a carbon nanomaterial; secondly, respectively introducing a micro-nano coarse structure and a low surface energy characteristic on the conductive fabric by adopting an in-situ sol-gel method and a coating process, and endowing the fabric coating with a super-hydrophobic functional protective layer. Tests show that the composite fabric material has high conductivity and electromagnetic shielding performance, and the electromagnetic shielding effectiveness value of the composite fabric material in the X wave band can reach 58.4 dB under the optimal condition; meanwhile, due to the specific super-hydrophobic self-cleaning function of the composite conductive fabric, the composite conductive fabric is endowed with excellent environmental stability (such as water resistance, dust resistance, ice resistance, rain and snow resistance) and ideal mechanical / wear-resistant / corrosion-resistant stability. Therefore, the multifunctional conductive self-cleaning composite fabric disclosed by the invention can be applied to the related fields of efficient electromagnetic shielding, electromagnetic wave absorption and the like in a complex and harsh environment.

The invention discloses a dustproof and oxygen-permeable deoxidizer packaging material and a production process thereof. The dustproof and oxygen-permeable deoxidizer packaging material comprises a polyethylene co-extrusion layer, a dustproof paper layer and a polyester film layer; glue layers are arranged between the polyethylene co-extrusion layer and the dustproof paper layer and between the dustproof paper layer and the polyester film layer; the gram weight of the glue in each glue layer is 3-5 g / m <2>, and the coating probability of the glue on the two surfaces of the dustproof paper layer is 50-60%; and air holes are formed in the polyethylene co-extrusion layer and the polyester film layer. The dustproof and oxygen-permeable deoxidizer packing material has the advantages of good dustproof effect and good ventilation effect.

The invention provides a composite crusting dust suppressant for application such as road dust suppression, mining area dust suppression, power plant dust suppression, construction dump dust suppression, and production and manufacturing industry dust suppression, and a preparation method thereof. According to the preparation method, common organic matters such as ethanediol, diethylene glycol andglycerinum are taken as main components, raw dust suppressant stock is synthesized through the steps such as pre-polymerization and bubbling auxiliary membrane forming of dust suppressant components,the diluted dust suppressant can be widely used in various scenes, and has strong effects such as wetting, bonding, coagulating, crusting and moisture absorbing and water holding on dust, the dust isprevented from secondary rising, the using cost is low, and the dust suppressant has broad commercial application prospects.

The invention provides a limit protection control method. The control method comprises the following steps of: receiving a radio frequency induction signal output by a radio frequency signal receiver, and transmitting the radio frequency induction signal to the radio frequency signal receiver after a radio frequency inductor positioned at a limited structure is activated by a radio frequency signal electromagnetic field transmitted by the radio frequency signal receiver; and performing limit protection on the limited structure according to the radio frequency induction signal and a preset guard distance between the radio frequency inductor positioned at the limited structure and the radio frequency signal receiver. In addition, the invention also provides a limit protection control device, a limit protection control system and an engineering machine. By the technical scheme, the position of the limited structure can be accurately detected, so that limit protection can be performed by taking measures in time, and losses caused by security incidents can be prevented.

The invention discloses a dustproof solar recharge pole for a new energy automobile. The dustproof solar recharge pole comprises a base, wherein a recharge pole shell is fixed at the upper part of thebase; a central control screen is arranged at the front end of the recharge pole shell; a support rod is fixed at the top of the recharge pole shell; and a solar panel is fixed at the upper part of the support rod. According to the dustproof solar recharge pole, an electromagnet is controlled through a switch button, then the position of a dustproof cover can be changed, then the purposes that aheat radiation groove and all heat radiation holes can be covered by the dustproof cover and external dust can be prevented from entering the recharge pole when the device is not used can be achieved,the problem that dust enters into the recharge pole from the heat radiation holes and is accumulated can be solved, people do not need to disassemble a rear sealing plate to clean off the dust frequently, and service of the recharge pole can be ensured; and due to adoption of a W-shaped multi-stage sealing pad between the rear end of the recharge pole shell and the rear sealing plate, the rear sealing plate can be protected in a frame groove in the center of the multi-stage sealing pad, and the situation that dust penetrates through a sealing part of the rear sealing plate and enters the recharge pole to cause dust accumulation and the service of the recharge pole can be thus affected, can be avoided as a whole.

The invention relates to a terrestrial digital television station system and belongs to the technical field of television signal transmitting and receiving. The terrestrial digital television station system comprises a signal processing subsystem, wherein the signal processing subsystem comprises a satellite receiving antenna, a satellite receiving decoder, an encoder, a digital exciter, a transmitter and a transmitting antenna; the satellite receiving decoder completes satellite signal receiving and decoding; the obtained video and audio signals are sent to the encoder, sent to the exciter by virtue of an ASI (asynchronous serial interface) interface, modulated into an RF (radio frequency) signal by the exciter and then transmitted to the transmitter; and the signals are subjected to power amplification by virtue of the transmitter and then are connected to a feeder by virtue of a rigid feedback element, an elbow and a flange and sent to the transmitting antenna to be transmitted out. The terrestrial digital television station system is easy to mount and can adapt to field operation tasks; meanwhile, the system is good in anti-seismic property, has good rainproof, dustproof, heat insulation, heat preservation and anticorrosion properties and can serve for a long time in wicked environments such as the wild, a mountainous area and salty air.

The invention discloses a light-emitting diode (LED) wall washing lamp which comprises a fixed frame; a lamp body is arranged at the upper side of the fixed frame; two U-shaped blocking grooves are symmetrically arranged on the top of the lamp body; a light-passing plate is blocked in each U-shaped blocking groove; a cavity formed by the lamp body and the light-passing plates is internally provided with a plurality of LED lamps which are arranged on an aluminum substrate; the aluminum substrate is arranged on a cooling plate; two lamp body sealing boards are respectively at the two ends of the lamp body; and the side wall of the lamp body is provided with a plurality of waterproof joints. The LED wall washing lamp has the characteristics of being reasonable in design, good in dustproof and waterproof effects, small in size, light in weight, convenient in arrangement, wide in application scope and convenient to popularize and use.