186results about How to "Dust-proof" patented technology

The invention relates to a liquid filling and sealing composition for bi-component additive silicon rubber and a preparation method thereof. The composition comprises the following components from (A) to (F): (A) 100 mass portions of univalent unsaturated fatty hydrocarbon polysiloxane, wherein at least 2 or more than 2 bonds in each molecule are connected to a silicon atom; (B) 0.1 to 50 mass portions of hydrogen atomic hydrogenated polysiloxane, wherein at least 2 or more than 2 bonds in each molecule are connected to a silicon atom; (C) 10 to 70 mass portions of electronic grade quartz powder; (D) platinum based catalyst; (E) a triazole compound; and (F) 0.001 to 0.009 mass portion of acetylenyl cyclohexanol. The preparation method is as follows: the (A) component, the (B) component and the (C) component are mixed and milled by a kneader to prepare a basic composition; and the (D) component, the (E) component and the (F) component are added into the basic composition, and the mixture is subjected to vacuum defoamation and high-temperature solidification to obtain the silicon rubber. The liquid filling and sealing composition for the bi-component additive silicon rubber is convenient to use, is safe and reliable, does not pollute the environment, has stable service performance, can not be cracked at a low temperature, and has the characteristics of moisture protection, dust prevention, corrosion resistance, shock resistance and so on.

The invention discloses a curved screen and flat panel display module full-lamination method, which comprises the following steps: designing and manufacturing a frame, fixing a frame-pasting curved screen and the frame through a positioning fixture, injecting liquid optical cement, putting a flat panel liquid crystal display module, fixing through the positioning fixture to form an integrated screen, putting the positioning fixture and the integrated screen into a heating device and carrying out heating curing, removing the positioning fixture and the integrated screen out of the heating device after completing the above steps, dismounting the positioning fixture, removing spilled cement residue at the edge of the frame and completing lamination. The invention also discloses a curved screen and flat panel display module full-laminated integrated screen prepared according to the above processing method. By arranging the frame between the curved screen and the flat panel liquid crystal display module, lamination of a curved-surface product is converted into traditional flat-panel type lamination. The operation steps are simple. Investment in equipment and fixture is less. Batch production is convenient to realize.

The invention discloses a high-thermal-conductivity organosilicone mud. The high-thermal-conductivity organosilicone mud is prepared from the following raw materials: 100 parts of silicone oil and 1000-1200 parts of heat-conducting powder filler in parts by weight, 0.5-1wt% of plasticizer and 1-3wt% of powder surface treating agent in terms of the heat-conducting powder filler, and 1-3wt% of cross-linking agent, 5-10wt% of high temperature resistant pigment and 0.01-0.015wt% of platinum catalyst in terms of the silicone oil. Besides, the invention also discloses a preparation method of the high-thermal-conductivity organosilicone mud. The high-thermal-conductivity organosilicone mud product has the advantages of high thermal conductivity, stable heat transfer property, excellent high temperature resistance, plasticity just as plasticine and the like; the preparation method of the high-thermal-conductivity organosilicone mud is simple; a better thermal-conductivity solution way can be provided for electronic heating components and radiating or other cooling devices.

The invention aims at providing an oil-drive direct-driven multi-rotor-wing agricultural plant protection unmanned aerial vehicle which can greatly prolong the runtime, is high in structural stability and anti-shock capacity and can increase the load capacity. According to the adopted technical solution, the oil-drive direct-driven multi-rotor-wing agricultural plant protection unmanned aerial vehicle comprises a machine frame, avionics, a power mechanism and a spraying mechanism; the machine frame comprises a supporting beam, an upper central plate, a lower central plate, machine arms and pull rods; the upper central plate and the lower central plate are fixedly connected to the supporting beam; the six machine arms are fixed between the upper central plate and the lower central plate in a crossed mode in the regular hexagon diagonal direction; a reinforced umbrella-shaped structure formed by the pull rods is arranged between the machine arms and the supporting beam; each power unit comprises an engine fixed to an engine base, a steering engine fixed to the bottom of the engine, and a propeller connected to an output shaft of the engine; the power mechanism of an oil-drive direct-driven structure; and the output shafts of the engines are directly connected with the propellers.

An LED photo-electric source assembly includes a radiator, a radiating fan, a driving circuit board subassembly, an LED light source component, an upper cover of a power supply box, a lower cover of the power supply box and a waterproof bolt component. The radiator comprises a bottom plate, on top of which a radiating part is provided. A space area of the radiating part contains a dust-proof, water-proof fan. An LED road lamp further includes an LED photo-electric source assembly, an installing board and a housing assembly of a traditional road lamp for containing light source. A light outlet arranged on the installing board adapts in size and shape to an opening arranged at the bottom of the housing assembly. The LED photo-electric source assembly is fixedly connected to the installing board and emits light. The installing board is fixedly connected with the housing assembly through a clamping fixture.

The invention discloses a totally-enclosed battery box which is high in safety, excellent in radiation effect, explosion-proof effect and flame retardant effect. The battery box comprises a box body, a battery pack and a battery management module (5), wherein the box body comprises a box frame (2), a left cover plate (3) and a right cover plate (4), and the battery pack is formed by connecting a plurality of cylindrical monomer batteries through conductive plates (61, 62) in regular rules; left and right surfaces of the battery pack are covered with heat-conducting silicon sheets (9), and the left cover plate (3) and the right cover plate (4) are respectively fixedly connected with left and right surfaces of the box frame (2) through pressing the heat-conducting silicon sheets (9); and inner walls of the box frame (2), the left cover plate (3) and the right cover plate (4) are plated with a high-heat conducting ceramic material. The totally-enclosed battery box is applicable to providing power supply for electric vehicles.

The invention discloses a washing machine. An additive putting structure of the conventional washing machines is improved. The washing machine includes an additive putting system; the additive puttingsystem includes at least one external container for holding an additive, and an automatic putting mechanism for automatically putting the additive in the container to the washing machine; the washingmachine has a connection port structure for externally connecting the container; the container and the connection port structure are detachably connected; the automatic putting mechanism is arrangedin the washing machine, and is connected to the connection port structure; a protection device is arranged on the connection port structure, and the protection device may be a detachable protection cover sleeving the connection port structure or a filtering device sleeving the connection port structure; and when the container and the connection port structure are disconnected, the protection device can prevent impurities from entering the connection port structure and causing blocking of the additive. The washing machine is simple in structure, is easy to detach and change, and has good usability.

The invention relates to a preparation method of a thermosensitive polyurethane embedding adhesive. The preparation method comprises the following preparation steps: 1, uniformly mixing polyether polyol, a thermosensitive catalyst and a thermosensitive auxiliary agent to obtain a polyol component; 2, uniformly mixing a fire retardant and polyisocyanate to obtain a polyisocyanate component; and 3, uniformly mixing the polyol component and the polyisocyanate component according to the mass ratio of 100:50-100 so as to obtain the thermosensitive polyurethane embedding adhesive. The thermosensitive polyurethane embedding adhesive is not solidified at normal temperature within 80 minutes. Within 40-90 DEG C, solidification speed is accelerated rapidly with the rising of the temperature. At 90 DEG C, the fastest solidification time is 1 minute 30 seconds. Main properties of the embedding adhesive are as follows: hardness: Shore A hardness 30-100; tensile strength (MPa): 0.4-1.0; volume resistivity (omega.M): being greater than 1*1013; fire resistance UL94; and vertical burning: V0.

The invention discloses a washing machine. The washing machine is provided with a connector structure externally connected with a container, the container is detachably connected with the connector structure, and an automatic putting mechanism is installed in the washing machine and connected with the connector structure. The washing machine comprises a first putting unit and a second putting unit, the first putting unit is installed in the washing machine, is a manual putting unit and comprises a water tank and a distribution box arranged in the water tank through drawing and pulling, and theautomatic putting mechanism is arranged on the water tank of the first putting unit; the second putting unit is an external putting unit and comprises a container with an additive, and the first putting unit and the second putting unit are provided with the shared putting water channel. According to the washing machine, the internal space of the washing machine is not occupied through the external additive container, the detergent putting structure of an existing washing machine is not influenced, and the washing machine is simple in structure, convenient to detach and beneficial to replacement and has high usability.

The invention discloses a fireproof expansion sealing strip which has the effects of shock absorption, fire protection, water resistance, sound insulation, thermal insulation, dust prevention and fixing. A sheath of the sealing strip adopts modified PVC; modified expanded graphite is formed inside the sealing strip; expanded graphite inside the fireproof sealing strip on the market can become loose and drop off after being burnt in a big fire, sealing effect is easy to lose, and black toxic smoke can be produced, so that the harm to human body in a fire scene can be improved. The fireproof sealing strip can be expanded but not become loose and drop off after being burnt in a big fire, can maintain integrity, reduce the extension of the fire, cannot generate black smoke, is good in expansibility, completeness and sealing property in case of a fire, and is good in ageing resistance at ordinary times.

The invention discloses a portable and fast retraction cover of automobiles, which comprise the face shield and the framework. The framework includes two base sets, two bearing devices, two cantilever booms and a cantilever overarm. The two base sets, the two bearing devices and the two cantilever booms are separately set at two sides of the automobile and are integrated by the cantilever overarm. The lower end of the bearing devices and the base sets are rotary connected; the cantilever devices and the upper end of the bearing devices are rotary connected and distribute extendedly along the length direction of automobiles. The base sets, the bearing devices and the cantilever devices separately contractively fold. The invention can extend the life of automobiles and is not limited by the place and the time.

The invention discloses an industrial waste water treatment device, which comprises a bracket, a decontamination device and an aeration tank. The decontamination device includes a water treatment tank, a mud scraping assembly, a filter plate and a neutralizer filter layer. One end of the water treatment tank is provided with a collection tank, and the filter plate and the neutralizer filter layer are sequentially arranged from top to bottom. Fixed inside the water treatment tank, the mud scraper assembly is composed of a mounting plate, a push rod motor, a fixed plate, a first connecting rod, a first mud scraper, a second connecting rod, and a second mud scraper. A first through hole and a second through hole are respectively provided at the positions corresponding to the side wall of the treatment tank body, the filter screen plate and the collecting tank. The output end of the rod motor is connected with the fixed plate. This kind of industrial wastewater treatment device has good sludge filtering effect, low cost and reasonable structure.

The invention provides a high falling accident early warning system for building workers and a method, wherein the system comprises an integration unit, an RFID reader, a wireless information emitter and a background; the integration unit comprises an RFID label, a wireless message receiver, a vibrator and a power supply module; the RFID label, the wireless message receiver and the vibrator are connected with the power supply module; the wireless message receiver is connected with the vibrator. The early warning method comprises the following steps: wear the integration unit on; input personal information about the worker in the RFID label in advance; arrange multiple RFID readers in a construction area; open the switch in a power supply module; read the personal information and the position information in the RFID label with the RFID reader and send them to a background for processing; the background send the early warning instruction to the vibrator through the wireless information emitter and the wireless message receiver, in this way, worker danger early warning, identification and positioning are realized; the life safety of the building worker is ensured; and the usage is simple and convenient.

The invention discloses a low-voltage packaging process of a circuit board electronic component. The low-voltage packaging process comprises the following steps of: processing a circuit board needing to be packaged, realizing surface cleanness and providing surface energy; placing the processed circuit board in a mould, adding a packaging additive for pressurizing solidifying so as to realize packaging the electronic component on the circuit board; and taking the packaged electronic component on the circuit board. The low-voltage packaging process is high in packaging efficiency by adopting low-pressure injection molding packaging; the electronic component can not be damaged; the electronic component is complete in appeanrce during molding, and is easy to control; a part needing being packaged of the electronic component is completely packaged; and functions of sealing, moisture proofing, water proofing, dust proofing and chemical corrosion resistance are achieved for the molded part.

The present invention relates to a dust inhibition agent for inhibiting dust suspension. The dust inhibition agent comprises, by weight, 50-90 parts of water, 2-30 parts of polyvinyl alcohol, 1-20 parts of polysaccharide, 0.5-5 parts of a surfactant, and 0.1-3 parts of sodium benzoate, wherein the dust inhibition agent has characteristics of no toxicity, no harm, biodegradability and no secondary pollution. During a use process, the diluted dust inhibition agent is sprayed on sand soil heap, ash heap, road surface and the like, provides effects of wetting, adhesion, condensation, moisture absorption, dust resistance, etching resistance and erosion resistance through capturing, absorbing and aggregating dust micro-particles, and forms a layer of an adhesive film with a network structure on the surface so as to effectively fix dust and form a protection film on the surface of the material, such that the dust is fixed, dust re-suspension is inhibited, material loss can be effectively reduced, dust pollution is reduced, the environment is protected, and health of workers and the surrounding population are protected.

The invention discloses an LED sound-light alarm device, and belongs to the technical field of power safety protection. A solved technical problem is to provide the LED sound-light alarm device which can protect an electric power worker working in a dangerous region from electric shock. An employed technical scheme is that the device comprises an LED lampshade; the bottom of the LED lampshade is connected with a pedestal; the LED lampshade comprises an outer housing, an inner housing, and a reflecting cover; the outer wall of the pedestal is provided with a power input connector and a power switch; the interior of the pedestal is provided with a sound-light alarm circuit board; the outer wall of the top of the pedestal is provided with an LED light-emitting lamp board; the top of the inner housing is provided with an induction chip and a loudspeaker; the sound-light alarm circuit board comprises a power circuit, a control circuit, a boost circuit, a voice alarm circuit, and a power input terminal A1; and the device is suitable for the power field.

The invention discloses a preparation method of a low-carbon light reflecting energy-saving coating. The method comprises the following steps of: modifying various pigments-fillers by using a chelate titanate coupling agent; adding an aid and water into the pigments and fillers, and grinding the pigments and fillers into slurry; and adding a base material into the slurry for blending into the coating. The reflectivity of the coating obtained by the method is increased to 85-90 percent, and the content of VOC (Volatile Organic Compound) is greatly lowered.

The invention provides a closed-loop Hall current sensor, belongs to the technical field of sensors, and solves problems that existing sensors are poor in anti-interference capacity. The closed-loop Hall current sensor comprises an insulating shell. The insulating shell is internally hollowed so that an accommodating cavity is formed. An annular magnetic core is transversely arranged in the accommodating cavity. The external surface of the annular magnetic core is provided with coils. The annular magnetic core is provided with a notch penetrating through the annular magnetic core. A Hall element is installed in the notch. An annular installing part penetrating through the insulating shell is arranged in the middle part of the annular magnetic core. The insulating shell is also internally provided with a circuit board. One end of the circuit board is respectively connected with the Hall element and the coils, and the other end of the circuit board extends so that a pin headers is formed. The pin head downwardly stretches out of the insulating shell The annular installing part is made of polyformaldehyde composite material. The closed-loop Hall current sensor has advantages of being high in sensitivity, high in anti-interference capability and convenient to install.

The invention discloses an energy saving type power system and an energy saving type sidetracking drilling machine. The energy saving type power system and the energy saving type sidetracking drilling machine are mainly used for energy saving type movable electric well drilling equipment for windowing sidetracked well construction. The energy saving type sidetracking drilling machine comprises a carrier vehicle. The carrier vehicle is provided with a derrick and a winch. The winch is connected with the power output end of an angle transmission box through a chain. An engine module and a motor module are arranged at the front portion of the carrier vehicle and connected with the power input end of a transfer case through couplers. The power output end of the transfer case is connected with the power input end of the angle transmission box and a rotary disc transmission box through couplers. The motor module is connected with the energy saving type power system, a power source can be provided for the motor module, and the potential energy of a drilling tool can be converted into electric energy to be stored in a super-capacitor energy storage module. The transfer case provides power for the angle transmission box and also provides power for the rotary disc transmission case, and a matching device, special for providing power for the rotary disc transmission case, of a conventional drilling machine is omitted. The structure is compact, and the manufacturing cost is greatly saved.

The invention discloses a detergent box and a washing machine. The detergent box comprises a closed box body with a cavity formed inside, a one-way venting structure and a liquid discharging device. Aliquid outlet is formed in the box body and used for being communicated with a putting pipeline of the washing machine to put detergent into a washing chamber of the washing machine; the one-way venting structure is used for balancing the pressure inside and outside the detergent box body; the liquid discharging device is disposed at the liquid outlet, the cavity in the box body is filled with detergent, and the detergent enters the putting pipeline of the washing machine from the detergent box body. The detergent box is sealed and unidirectionally ventilated; automatic putting can be achieved several times; the detergent box can be reused and is simple in structure, convenient to install and good in usability.

Provided in the invention is an open-loop hall current sensor. With the sensor, a problem of weak anti-interference capability of the existing sensor is solved. The open-loop hall current sensor comprises an insulating housing; a mounting part is arranged at the end surface of the insulating housing; and a positioning part is arranged at the side wall of the insulating housing. The middle part of the insulating housing is hollowed to form an accommodation cavity; and an annular mounting part for installing a lead is arranged in the accommodation cavity. An annular magnetic core is arranged between the annular mounting part and the insulating housing; a notch penetrating the annular magnetic core is formed in the annular magnetic core; and the annular magnetic core and the annular mounting part are arranged coaxially. A hall element and a circuit board connected with the hall element are installed in the notch. A connecting hole is formed in the insulating housing; a connecting wire connected with the circuit board is arranged in the connecting hole; and a connecting sleeve is arranged between the connecting wire and the connecting hole. The annular mounting part is made of a polyformaldehyde composite material. The open-loop hall current sensor has advantages of high anti-interference capability and convenient installation.

The invention provides a surge protector, which comprises a shell body, a first insulating sleeve, an aluminum sheet, a piezoresistor chip, a metal connecting terminal, a second insulating sleeve, a spacer and a clamp spring, wherein the first insulating sleeve is arranged inside the shell body, the aluminum sheet is arranged inside the first insulating sleeve, the piezoresistor chip is arranged on the aluminum sheet, the metal connecting terminal is arranged on the piezoresistor chip, the second insulating sleeve sleeves the metal connecting terminal, the spacer and the clamp spring are arranged on the second insulating sleeve, the piezoresistor chip is accommodated in the first insulating sleeve, the middle part of the metal connecting terminal forms a step part, the second insulating sleeve comprises a first sleeve, a second sleeve and a connecting ring, the first sleeve sleeves the step part of the metal connecting terminal, the second sleeve is arranged below the step part, the connecting ring is connected between the first sleeve and the second sleeve, the outer side of the second sleeve is pressed against the inner wall of the shell body, the metal connecting terminal is sleeved with a first lantern ring and a second lantern ring, the outer periphery of the lantern rings are each presses against the inner wall of the first sleeve or the second sleeve, the clamp spring is arranged on the second insulating sleeve, and the outer side of the clamp spring is clamped inside the shell body. The surge protector has the internal and external sealing effects, and achieves the dustproof and the like purposes.

The invention provides a reducer bearing lubricating device, a reducer using the same and a lower case of the device. The reducer bearing lubricating device comprises an oil receiving tray, an oil storage tank and an oil guide tank, wherein the oil receiving tray is arranged on the side wall of the lower case of the reducer, the oil storage tank is arranged at the end part in the lower half hole of the front bearing hole, and the oil guide tank is arranged along the side wall of the lower case and is connected with the oil receiving tray and the oil storage tank; and the oil pan is arranged at a position on the side wall of the lower case that lubricating oil of the lower case can be splashed to the oil receiving tray by the rotation of the reducer gear, thereby ensuring the reliable and normal operation.

The invention discloses a disposable fire extinguisher based on a national standard carbonate beverage bottle. A carbonate beverage bottle is hung in a shell in a suspended manner and is in a vertical shape with a downward opening; a fire extinguisher valve is arranged at a bottle opening of the carbonate beverage bottle in a sleeving manner; the fire extinguisher valve comprises a valve main body of which the cross section is U-shaped; internal screw threads which are matched with external screw threads in the bottle opening of the carbonate beverage bottle are formed in the inner wall of the valve main body; a spraying nozzle which is communicated with the inner cavity of the valve main body is arranged on the valve main body; an automatic pressure relief safety valve is arranged on the carbonate beverage bottle; a 'scrap' identifier and a 'switch' identifier are arranged at the upper part of the carbonate beverage bottle; a fastening ring which is used for sheltering the 'scrap' identifier is annularly arranged on the carbonate beverage bottle in a sleeving manner; a pressure gauge which is used for detecting the pressure of the carbonate beverage bottle is mounted on the fastening ring; a supporting bulge is arranged corresponding to the fastening ring in the shell. According to the disposable fire extinguisher based on the national standard carbonate beverage bottle, a conventional fire extinguisher steel cylinder is replaced by selecting the carbonate beverage bottle; a fire extinguishing liquid is pushed to extinguish fire through CO2; the cost is greatly reduced; the production efficiency is greatly improved.

The present invention discloses a micro-negative pressure wound exudate absorbing dressing based on various high polymer materials and a production technology of the micro-negative pressure wound exudate absorbing dressing. The micro-negative pressure wound exudate absorbing dressing is characterized by mainly successively comprising an air leakage preventing protective film (1), a water absorbingand storing layer (2), an air-permeable and water-impermeable film (3) and a wound contact layer (4) from top to bottom, and a super absorbent is contained in the water absorbing and storing layer (2). The related micro-negative pressure wound exudate absorbing dressing can provide a proper moist environment for wounds and accelerate wound healing.

The invention discloses a battery cabin capping device, which comprises an engine base battery cabin, a battery snap ring and a battery cap, wherein the battery snap ring is arranged in the engine base battery cabin; the battery cap is installed on the engine base battery cabin and is cooperated with the engine base battery cabin; the battery cap comprises a battery cover plate, a battery cover fixing part, a battery cover switch, a bracket and a fixing plate; the bracket is arranged above the fixing plate and is fixedly connected with the fixing plate; the battery cover switch is movably arranged on the bracket and is provided with a push button; the battery cover plate is provided with a through hole for the push button to slide; the fixing plate is fixedly connected with the battery cover plate; the fixing plate is arranged below the battery cover plate; the bracket and the battery cover switch are arranged between the fixing plate and the battery cover plate; the battery cover fixing part is fixedly arranged on the engine base battery cabin; the battery cover plate is movably installed on the battery cover fixing part , the battery cover switch is provided with a hook; and the engine base battery cabin is provided with a raised blocking line matched with the hook. The battery cabin capping device has the advantages of being convenient is dissembling, simple in assembling, firm in installation, high in high impact resistance, safe and reliable, and the structure of the battery cabin capping device is convenient for replacing batteries.