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278results about How to "Achieve waterproof function" patented technology

Multifunctional vehicle-borne battery box

The invention provides a multifunctional vehicle-borne battery box, which comprises a box cover, a box body, connecting bodies and a battery system. The multifunctional vehicle-borne battery box is characterized in that: at least one wall of the battery box is a hollow double-walled structure composed of an inner wall and an outer wall. The inner wall is a heat conduction wall, and is in fixed and sealing connection with the box body through fixation bodies, so that the battery box is divided into a box body space and a double-walled space that are not communicated mutually. The double-walled space is provided with ventilation holes that are equipped with ventilation doors. And the double-walled space can be communicated with the outside through the ventilation doors. The multifunctional vehicle-borne battery box provided in the invention can satisfy the heat preservation, waterproofness, shock resistance, impact resistance, heat dissipation and other technological requirements needed by an electric vehicle battery box, so that the reliability and service life of a battery system can be improved.
Owner:BEIJING PRIDE NEW ENERGY BATTERY

Water proof electronic digital display callipers

A water-proof electronic caliber rule with digital indication is composed of displacement measuring device consisting of electric eddy sensors, metallic reflectors uniformly arranged on fixed rule by a certain wavelength, and several sensor coils installed on moving rule by a particular pitch. When an alternative current flows through said coils, an alternative magnetic field is generated in space to generate an electric eddy on said reflector. When fixed and moving rules move relatively, the magnetic field is modulated under the action of electric eddy, so measuring displacement value.
Owner:SHANGHAI JIAO TONG UNIV +1

Airplane steering surface deflection angle measurement device and method

The invention discloses an airplane steering surface deflection angle measurement device comprising first and second connecting rods, and first, second and third angle measurement devices. The first ends of the first and second connecting rods are detachably and pivotally connected with an airplane rotating wing surface fixed side and an airplane steering surface respectively in use. The second ends of the first and second connecting rods are pivotally connected with each other and are away from the airplane rotating wing surface in use. The first, second and third angle measurement devices are respectively arranged at the first end of the first connecting rod, the first end of the second connecting rod and the second end of the first connecting rod so as to respectively detect the angles of a first inclined angle formed by the first connecting rod and the airplane rotating wing surface fixed side, a second inclined angle formed by the second connecting rod and the airplane steering surface and the first inclined angle formed by the first connecting rod and the second connecting rod. The invention also discloses an airplane steering surface deflection angle measurement method. The steering surface rotating angles of all angle wing potions within range from a horizontal steering surface to a vertical steering surface can be measured.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Capacitive information input device and method for electronic device

The device of inputting information includes following parts: capacitance type keyboard touch-control unit in use for detecting operation input from user, and generating corresponding signal; keyboard controller connected to the capacitance type keyboard touch-control unit; unit for switching input modes is connected to the keyboard controller. The keyboard controller detects states of the unit for switching input modes. Based on the detected state, selectivity of signal of the said capacitance type keyboard touch-control unit is switched to keyboard mode for inputting information or to touch-control mode for inputting information. The invention also discloses capacitance type information input method for electronic devices.
Owner:LENOVO (BEIJING) LTD

Rotary knob component with self-locking and positioning functions

The invention relates to the technical field of washing, in particular to a rotary knob component with self-locking and positioning functions. The rotary knob component is applied to controllers of household appliances such as washing machine and the like and comprises a rotary knob and a fixing base, the rotary knob is provided with a bushing, the fixing base is provided with a positioning sleeve which can be matched with the bushing, the bushing can be rotatably inserted into the positioning sleeve and is provided with an annular clamping groove, a clamping claw corresponding to the annular clamping groove is arranged on the positioning sleeve of the fixing base, and the clamping claw is clamped in the annular clamping groove when the bushing and the positioning sleeve are matched. The rotary knob component is simple in structure and assembly mode and low in production cost, and the problem of eccentricity of the rotary knob due to shaking is solved. Preferably, a height difference is formed between the lower edge of a shell and the top end of a boss, so that water is prevented from entering the washing machine even if the water enters a gap between the rotary knob and the fixing base, and the rotary knob component realizes self-locking, positioning and waterproof functions at the same time.
Owner:QINGDAO HAIER DRUM WASHING MACHINE

Twin-box multifunctional vehicular battery box

The invention provides a twin-box multifunctional vehicular battery box which comprises an inner box, an outer box, pulley sliding rails and a battery system. The twin-box multifunctional vehicular battery box is characterized in that both the inner box and the outer box are of closed box structures and mutually form a drawer type movable assembly structure, ventilation holes are arranged in an interlayer space between the inner box and the outer box, ventilation doors are mounted on the ventilation holes, and the inner box is provided with a thermal conductive plate in an interlayer. The technical requirements for the battery box of an electric vehicle, such as thermal insulation, water tightness, shock resistance, collision resistance, thermal dissipation and the like can be met, so that reliability of the battery system can be improved, and the service life of the battery system can be prolonged.
Owner:BEIJING PRIDE NEW ENERGY BATTERY

Rubber asphalt waterproof structure

The invention discloses a rubber asphalt waterproof structure. The rubber asphalt waterproof structure is applied to the surface of an inclined roof, and sequentially comprises a supporting layer, a heat-preservation layer, a waterproof layer, a step layer and a function layer from bottom to top, wherein the supporting layer is formed by welding color steel plates to a color steel roof truss, and the heat-preservation layer is laid in the mode of being attached to the color steel plates. The waterproof layer is of a multi-layer structure and comprises a substrate, a bonding layer and an apparent waterproof layer, wherein the substrate is located at a middle layer of the multi-layer structure, the bonding layer is made of a first rubber asphalt waterproof coating and is located at a lower layer of the multi-layer structure, the apparent waterproof layer is made of a second rubber asphalt waterproof coating and is located at the upper layer of the multi-layer structure, and the bonding layer, the substrate and the apparent waterproof layer are formed in a high-temperature pressing mode. The step layer is laid on the waterproof layer, each step is provided with a framework made of aluminum or steel, the function layer is composed of a plurality of photovoltaic modules, and the photovoltaic modules are embedded into the frameworks and fixed by the frameworks.
Owner:中建材苏州防水研究院有限公司

Detachable and freely-combined multifunctional camera shooting electric torch

The invention discloses a detachable and freely-combined multifunctional camera shooting electric torch which comprises a camera shooting electric torch module, a battery module, an external power supply module and a charging module. The detachable and freely-combined multifunctional camera shooting electric torch has three combination states. The camera shooting electric torch module is connected with at least one battery module. The camera shooting electric torch module, the battery module and the external power supply module are connected in sequence. The camera shooting electric torch module, the battery module and the charging module are connected in sequence. The detachable and freely-combined multifunctional camera shooting electric torch is simple in structure and detachable, is freely combined and is conveniently disassembled and assembled through threaded connection, and due to the fact that a sealing ring is arranged at the connection, the waterproof function of the connection can be effectively achieved; besides the basic illuminating function, the detachable and freely-combined multifunctional camera shooting electric torch has the functions of camera shooting, photographing, image displaying, recording and the like, the requirement for working such as news gathering, night inspection and scientific investigation can be basically met, and the detachable and freely-combined multifunctional camera shooting electric torch further has the function of a portable power source for prolonging the power life of an electronic product.
Owner:深圳市和义通科技有限公司

Construction method for basement floor post-cast strip waterproofing structure

The invention discloses a construction method for a basement floor post-cast strip waterproofing structure and belongs to the technical field of waterproofing of buildings. The construction method comprises the following steps: laying a main drain pipe and a branch drain pipe in a water filtering tank to a floor sump, fully laying graded broken stone in the water filtering tank to form a broken stone water filtering layer, arranging mortar stop blocks on two sides at the lower part of a post-cast strip, and mounting floor reinforcing bars; mounting mortar stop blocks on two sides at the upper part of the post-cast strip after mounting a post-cast strip side form; and pouring post-cast strip concrete after pouring floor concrete on two sides of the post-cast strip, and curing concrete under a strip-film heat and moisture preservation condition for not less than 14 days. The construction method provided by the invention can reduce water pressure of a basement floor, realizes the waterproofing function of the basement floor post-cast strip and guarantees the pouring quality of concrete.
Owner:CHINA MCC17 GRP

Dry-mixed composite light aggregate concrete based on inorganically modified polyurethane particles

InactiveCN108751827ASolve potential safety hazardsLow apparent dry densitySiliconMaterials science
The invention relates to dry-mixed composite light aggregate concrete based on inorganically modified polyurethane particles and a preparation method of the dry-mixed composite light aggregate concrete. The concrete is prepared from raw materials in parts by weight as follows: 38-135 parts of the inorganically modified polyurethane particles, 162-485 parts of cement, 30-127 parts of fly ash, 23-50parts of mineral powder, 3-50 parts of silica fume, 37-740 parts of dry sand, 4.6-19.7 parts of an admixture and 105-380 parts of water. The preparation method comprises the following steps: 1, wastepolyurethane particles are subjected to grain size grading; 2, the graded waste polyurethane particles are inorganically modified; 3, the cement, the fly ash, the silica fume, the mineral powder andthe admixture are added to a dry powder stirrer for uniform stirring and mixing, and dry-mixed composite powder is obtained; 4, the dry-mixed composite powder is mixed with the inorganically modifiedpolyurethane particles, water is added for stirring, and the dry-mixed composite light aggregate concrete is prepared.
Owner:河南格林循环电子废弃物处置有限公司

Combination type garbage can

The invention provides a combination type garbage can. The combination type garbage can comprises a garbage can shell, a garbage can inner barrel and a cover plate, wherein the garbage can shell comprises a shell body, a garbage feeding opening and a first opening are formed in the shell body, and a herringbone cover plate group is arranged at the part of the garbage feeding opening; the size of the cover plate is matched with that of the first opening, and a boss and a clamping part are arranged on the cover plate; and a second opening and a U-shaped clamp are arranged on the garbage can inner barrel. By applying the technical scheme, the integral structure is simple. By adopting the combination design of the garbage can shell and the garbage can inner barrel, the garbage can shell is always kept clean and tidy, and the garbage can inner barrel can meet garbage storing requirements, so that the practicability is strong. The design objective of the cover plate is to seal the first opening, and the clamping part arranged on the cover plate is clamped by a manipulator to take the garbage can inner barrel out of the garbage can shell and restore the garbage can inner barrel in the original position. The operation is convenient, and fixed-point placing requirements are met.
Owner:HUNAN UNIV

Metal vacuum warming plate and manufacturing method for same

The invention discloses a metal vacuum warming plate. A vacuum cavity is formed by sealed cooperative connection between an upper metal plate and a lower metal plate; a supporting core is disposed in the vacuum cavity; a vacuumizing hole is formed in the cavity wall of the vacuum cavity; metal with melting point ranging from 90 to 350 DEG C or related alloy sealing bars are arranged between sealing sides for the sealed cooperative connection between the upper metal plate and the lower metal plate; and the sealing bars are bonded with the upper metal plate and the lower metal plate and sealed with the same. The metal vacuum warming plate is advantaged by high vacuum degree durableness in bad natural environments, excellent sealing property, strong anti-deformation capabilities, great corrosion and rust resisting performance and long service life as long as buildings; fireproof performance is A-level; the metal vacuum warming plate is integrated functions of warming, decoration and construction; the construction period can be obviously shortened; installation cost can be reduced; various shapes can be formed; special demands for building outer wall surface corners and arcs can be met; and the metal vacuum warming plate is suitable for various building outer wall warming and roof insulation.
Owner:许浒

Multi-functional handcuffs device

InactiveCN104100154AVersatileOvercoming the Limitations of Complementary ChargingHandcuffsGeneral Packet Radio ServiceElectrical battery
The invention discloses a multi-functional handcuffs device which is arranged in electronic handcuffs. An intelligent MCU (Micro Control Unit) controller, a GPS (Global Positioning System) module, a GPRS (General Packet Radio Service) module, a battery, a wireless charging module, a plurality of function sensors and an alarm device are arranged inside the multi-functional handcuffs device in a sealed mode; the GPS module and the GPRS module are connected with the intelligent MCU controller for communication interaction; the battery is connected with the intelligent MCU controller for power supply; the wireless charging module is directly connected with the battery for wireless charging; the plurality of function sensors are connected with the MCU controller so as to transmit sensing signals to the MCU controller; the MCU controller is connected with the alarm device so as to control the alarm device to give an alarm. According to the multi-functional handcuffs device, the perfect function of the electronic handcuffs can be achieved and the wireless charging function, the positioning function, the wireless communication function, the alarm function, the waterproof function and the induction demolition and destruction function can be achieved.
Owner:INSPUR GROUP CO LTD

Efficient heat-dissipation waterproof housing and waterproof stage lamp provided with same

The invention relates to the technical field of stage lamps, in particular to an efficient heat-dissipation waterproof housing and a waterproof stage lamp provided with same. The efficient heat-dissipation waterproof housing comprises a housing main body, a first end cover and a second end cover, wherein the housing main body is integrally formed by an aluminum pulling process; the first end coverand the second end cover are separately in sealing connection with the two ends of the housing main body; a heat dissipation channel is arranged on the inner wall of at least one side of the housingmain body; and an air extracting device which is used for extracting air flow in an inner space of the housing man body into the heat dissipation channel and promoting air flow to flow in a circulating mode between the heat dissipation channel and the inner space of the housing main body is arranged between the heat dissipation channel and the inner space of the housing main body. The invention further provides the stage lamp provided with the efficient heat-dissipation waterproof housing. According to the efficient heat-dissipation waterproof housing disclosed by the invention, the structureis simple, the waterproof housing of a sealed structure has the efficient heat dissipation effect, and the use effect of the stage lamp is not affected while the waterproof function of the stage lampis realized.
Owner:GUANGZHOU HAOYANG ELECTRONICS CO LTD

Staggered arm independent reducing wheel type waterproof pipeline robot

The invention relates to a staggered arm independent reducing wheel type waterproof pipeline robot. The robot comprises a camera shooting device, a reducing mechanism, waterproof walking mechanisms and an anti-locking pull ring, and is characterized in that the waterproof walking mechanisms are circumferentially distributed on the circumference of the reducing mechanism, and the camera shooting device is fixed at one end of the reducing mechanism; the reducing mechanism is connected with the anti-locking pull ring; each waterproof walking mechanism is a double-wheel walking mechanism. The robot solves the problems that an existing pipeline robot is stiff and inflexible in a reducing mode when passing through a bend, interference is easily caused, and sealing and waterproof problems of thepipeline robot are caused. When the internal working environment of a pipeline needs to be collected but cannot be manually collected, the robot can be used for collection.
Owner:SHENYANG POLYTECHNIC UNIV

Hardware electric appliance transport case high in protection performance

The invention discloses a hardware electric appliance transport case high in protection performance. The hardware electric appliance transport case comprises a baseplate, wherein universal wheels are fixedly mounted at the bottom of the baseplate; a mounting groove is formed in the top of the baseplate; an outer case is fixedly mounted on the mounting groove; the left side surface and the right side surface of the outer case are separately in contact with baffles arranged at the top of the baseplate; a bolt is arranged on each baffle in a penetrating manner; a screw hole matched with the left bolt is formed in the position on the left side surface of the outer case, corresponding to the position of the baffle; a screw hole matched with the right bolt is formed in the position on the right side surface of the outer case, corresponding to the position of the baffle; placing grooves are formed in the outer case; grooves are formed in the inner wall of each placing groove; one side of the inner wall of each groove is fixedly connected with one end of each spring; the other end of the corresponding spring is fixedly connected with a fixed outer platform. According to the hardware electric appliance transport case high in protection performance disclosed by the invention, an inner case is fixed and reliably locked, so that damages of hardware electric appliances caused by that the swayed inner case is in contact with a sharp object are effectively avoided; the hardware electric appliance transport case is high in protection performance and strong in reliability, the operating difficulty of a conveying stuff is reduced, and the hardware electric appliance transport case is convenient to use by people.
Owner:CHANGZHOU DABEI INTELLIGENT INTERNE OF THINGS TECH CO LTD

Driving integrated magnetic adsorption wheel type device

The invention relates to a driving integrated magnetic adsorption wheel type device. The driving integrated magnetic adsorption wheel type device is characterized by comprising a transmission shaft, a harmonic reducer, a wheel body rubber coating shell, a motor, a transmission support, a belt wheel shaft, a magnet and a wheel body end cover, wherein the wheel body rubber coating shell and the wheel body end cover are matched to form a closed space, the transmission shaft is installed on the center axis of the wheel body rubber coating shell, one end of the transmission shaft extends out of the wheel body rubber coating shell and the wheel body end cover and is connected with a car body, and the other end of the transmission shaft is connected with a rigid wheel through a flange plate; the motor and the magnet are arranged at the position, located at the two sides of the harmonic reducer, in the space of the wheel body rubber coating shell, one side of the magnet is fixed to a first copper sleeve through a second magnetic support, and the other side of the magnet is fixed to the transmission shaft through a first magnetic support; one end of the motor is fixed to the transmission shaft through the transmission support, the belt wheel shaft is fixed to the portion, between the transmission shaft and the motor, of the transmission support, an output shaft of the motor, the belt wheel shaft and the transmission shaft are parallel and transmit power in the mode of a synchronous belt.
Owner:HEBEI UNIV OF TECH

Dinging structure and dinging method for novel heat preservation and insulation building

InactiveCN101638930ARealization of thermal insulation functionLow thermal conductivityCovering/liningsPorosityCrack resistance
The invention discloses a dinging structure and a dinging method for a novel heat preservation and insulation building. The dinging structure is characterized in that the inside of the wall body (1) of a basic wall body is provided with a mortar levelling layer (2), a heat preservation and insulation layer (3), an anti-crack motor layer (4), an elastic water repellent facing layer (5) and a heat preservation and insulation decorative sheet layer (6), wherein the heat preservation and insulation layer (3) and the heat preservation and insulation decorative sheet layer (6) are made of the same material; and the heat preservation and insulation layer (3) can be made from foaming polystyrene / extruded polystyrene or made from polyurethane directly by foaming. The dinging method comprises the following steps: a, calking joints with a heat preservation and insulation material; b, extruding the anti-crack mortar into the joints; and c, treating the water repellent facing layer. The dinging structure and the dinging method have the advantages of increasing the crystal content of a mortar system, filling or blocking slit pores, reducing the porosity greatly, generating volume expansion, generating compression stress and compression strain in a body, compensating for various contraction distortions, and counteracting or partially counteracting corresponding pulling stress, thereby improving the overall cracking resistance and having the advantages of good heat insulation and preservation effect, strong anti-crack resistance and water resistance, good decorative performance, simple and convenient construction and the like.
Owner:武汉公济墙体节能材料有限公司

Bipolar asymmetric supercapacitor energy storage apparatus and bipolar assembly thereof

The invention discloses a bipolar assembly for a bipolar asymmetric supercapacitor energy storage apparatus. The bipolar assembly comprises: a substrate, wherein the substrate is insulated, and comprises two opposite surfaces; a positive electrode, wherein the positive electrode comprises a lead-containing active material and is positioned on one surface of the substrate; and a negative electrodepositioned on the other surface of the substrate, wherein the substrate has an electrical connection circuit so as to form electrical connection between the positive electrode and the negative electrode, and the negative electrode comprises a carbon-containing active material. According to the present invention, the carbon-lead battery technology and the bipolar battery technology are successfullycombined so as to effectively improve the performance of the energy storage device during the bidirectional high-power and high-frequency partial charging and discharging.
Owner:LCB INT

High-contrast luminous diode display screen

InactiveCN101140720AEliminate glue filling processIncrease contrastIdentification meansLED displayEngineering
A high-contrast LED display screen is provided, which belongs to the technical field of large-screen display on LED screen and comprises a glare protective screen of high contrast, an LED cell box, a screen and a frame bonding adhesive tape. Each cell box of the LED display requires a screen to increase high-contrast screens. The cell around the box structure is used to support the high-contrast screen whose frame is in the shape of zigzag. The sawtooth is crossed with the LED, and the high-contrast screen is inlaid 0.5 mm to 2.0 mm inside the frame. The width and height of the frame is 0.2mm to 3.0mm larger than that of the high-contrast screen, which has the advantages of waterproof function without the working procedure on glue-pouring in LED screen production, low difficulty and cost for maintenance and improving of the screen contrast.
Owner:BEIJING FANGRUI BOSHI DIGITAL TECH

Mining portable vibration signal acquisition recording system

The invention relates to a mining portable vibration signal acquisition recording system which comprises a vibration sensor and a mainframe which are sequentially serially connected. The mainframe comprises a motherboard, a data acquisition card, a storage, a signal conditioning board, a keyboard, a display screen, a battery pack and an insulating shell. The vibration sensor is connected with the mainframe through a signal acquisition interface and contacted with to-be-measured equipment through a magnetic absorbing seat. The sensor transmits a measured vibration signal to the signal conditioning board through a mining signal cable, the signal conditioning board converts the vibration signal into a vibration acceleration signal, a speed signal and a displacement signal, the data acquisition signal acquires the three signals, the binary data acquired by the acquisition card is stored on a CF (compact flash) storage card through motherboard control, and data wave of the acquired data is displayed on the display screen. The internal circuit of the system completely accords to technical specifications and requirements in mining safety production, data sampling precision is high, and functions of explosion resistance, dust resistance and water resistance are achieved.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Anti-water and anti-falling television remote controller

The invention discloses an anti-water and anti-falling television remote controller, which comprises a remote controller body and an anti-falling metal frame, wherein mounting holes in the upper surface of a shell of the remote controller body are provided with anti-water buttons; edges of the remote controller body are provided with the anti-falling metal frame; notches cut at corners of the anti-falling metal frame are provided with buffer corners; a through hole cut in the body at one side, close to an infrared transmitting end of the remote controller body, of the anti-falling metal frame is provided with a remote control infrared transmitter; the upper surface of the shell at one side, far away from the infrared transmitting end, of the remote controller body is provided with a power indication lamp; and a plurality of permeable bar holes are cut in the side edges of the anti-falling metal frame. According to the anti-water and anti-falling television remote controller, the anti-falling metal frame can protect the remote controller body from being damaged when the television remote controller falls, the buffer corners absorb the impact force when when one side of the remote controller hits the ground, the safety of the remote controller is protected, water is blocked through separators, anti-water walls and the permeable bar holes inside the remote controller, and the inner circuit is protected.
Owner:合肥科斯维数据科技有限公司

Waterproof rotary encoder

ActiveCN107764290AAddresses an issue where detection cannot be performed underwaterRealize linkageConverting sensor output electrically/magneticallyDrive shaftCoupling
The invention provides a waterproof rotary encoder capable of continuously detecting displacement underwater through a sealed tank and magnetic coupling method. The waterproof rotary encoder comprisesa watertight plug, a sealed tank, a sealed tank end cover, an inner magnet, an outer magnet, a rotary wheel, a drive shaft and a rotary encoder body. The bottom of the sealed tank is provided with athrough hole. The watertight plug is arranged at the through hole. The sealed tank end cover is connected with the open end of the sealed tank. A side of the sealed tank end cover is provided with a stepped shaft. A groove is disposed on the other side of the sealed tank end cover. One end of the drive shaft is arranged in a groove and is connected with the inner magnet. The other end of the driveshaft is connected with the input shaft of the rotary encoder body. The output end of the rotary encoder body is connected with the watertight plug via a wire. The stepped shaft of the sealed tank end cover is sleeved with an outer magnet mounting seat. An outer magnet is fixed to the inner wall of the outer magnet mounting seat at a position opposite to the inner magnet in the groove. The rotarywheel sleeves the stepped shaft of the sealed tank end cover and is fixedly connected with the outer magnet mounting seat. The rotary wheel can rotate relative to the stepped shaft.
Owner:WUHAN PENESON GEOLOGICAL SURVEY TECHNICAL CO LTD

Waterproof micro-special motor controller

The invention provides a waterproof micro-special motor controller which comprises a body mechanism and a protective mechanism, A main body mechanism is installed inside that protective mechanism andextends to the rear end of the protective mechanism, the body mechanism includes a mounting plate, a cover plate, a Housing, fins, an Inner shell and a mounting column, the protective mechanism comprising a shield, a U-shaped limiting plate, a U-shaped sealant strip and a sponge cushion, in accordance with that prior art, The invention has the following beneficial effects: heat dissipation is realized, service life is prolonged; in addition, the heat dissipation fin, the shell and the inner shell form a double-layer protection structure, the protection effect is improved, the controller body and the protective cover are sealed, the waterproof function is realized, and the shell is fastened on the controller body by the interference connection of the U-shaped sealant strips at the same time.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST

Camellia seed storage warehouse

InactiveCN110805324AIncrease the dehumidification rangeReduces the possibility of mildewAgriculture tools and machinesAgricultural buildingsGear wheelAgricultural engineering
The invention provides a camellia seed storage warehouse. The camellia seed storage warehouse comprises a storage warehouse body. A plurality of rotating fans are arranged on an inner top plate of thestorage warehouse body in a staggered manner. Each rotating fan comprises a mounting seat. First driving motors are correspondingly mounted on inner top plates of the mounting seats. The output endsof the first driving motors are rotationally connected with first rotating shafts. Straight gears are vertically arranged at one ends of the first rotating shafts in a penetrated manner. One side of each straight gear is engaged with a helical gear strip. A connecting rod is mounted at one end of each helical gear strip. Ventilation fans are correspondingly mounted at the ends, extending out of the mounting seats, of the connecting rods. Electric heating wires are spirally arranged on the inner walls of air outlet pipelines of the ventilation fans. According to the camellia seed storage warehouse, through the ventilation fans, the first rotating shafts, the straight gears and the connecting rods, the rotation of the fans is achieved, the range of hot air moisture removal is enlarged, the moisture removal effect is good, and the possibility of mildewing of camellia seeds is reduced.
Owner:湖南省康多利油脂有限公司

Waterproof bamboo/wood modification method

The invention relates to a waterproof bamboo / wood modification method. The waterproof bamboo / wood modification method comprises the following steps of (1) making preparations; (2) conducting vacuum impregnation on glycidyl methacrylate; (3) conducting vacuum impregnation on oxidized high-density polyethylene wax emulsion; and (4) conducting drying and surface treatment. Through pretreatment on bamboo / wood through the glycidyl methacrylate, the number of free hydroxyl groups in a base material is reduced, and oxidized high-density polyethylene wax is introduced and attached to cell walls of thebase material to achieve the waterproof purpose of reconstituted bamboo. The waterproof bamboo / wood modification method has the advantages that epoxy groups in the glycidyl methacrylate have an esterification reaction with the free hydroxyl groups in a bamboo material, the free hydroxyl groups are decreased, and meanwhile, the glycidyl methacrylate is grafted onto the cell walls of the bamboo material; ethyl alcohol is volatized under the high-temperature effect to provide a space for next-step immersion; the glycidyl methacrylate is copolymerized and combined with oxidized high-density polyethylene to prevent water from being immersed into a channel, and the number of hydrophilic groups is reduced.
Owner:NANJING FORESTRY UNIV +1
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