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127results about How to "Improve the use environment" patented technology

High-speed low-noise centrifugal fan with air filtering effect

The invention belongs to the technical field of environmental sanitation machinery, and particularly relates to a high-speed low-noise centrifugal fan with an air filtering effect, the high-speed low-noise centrifugal fan comprises a fan volute, a fan impeller is mounted in the fan volute, the fan impeller comprises a front disc, a middle disc and a plurality of fan blades, the fan blades are located between the front disc and the middle disc, and the fan blades are arranged in the fan volute. A flow channel of the fan impeller is formed by the front disc, the middle disc and the space between every two adjacent fan blades, and a driving motor is installed on the rear side of the fan volute. According to the high-speed low-noise centrifugal fan with the air filtering effect, brand new plans are made on the blade shape, the blade structure, the volute, the volute tongue and the overall structure of the fan, and particularly, the cyclone separator is additionally arranged at the air inlet of the fan, so that high-speed air entering the volute of the fan is rapidly separated and purified; and dust and other garbage in the gas are settled and separated, so that the quality of air discharged into the atmosphere from an outlet of the fan is improved, and secondary pollution of environmental sanitation operation is reduced.
Owner:HUNAN XINHONGYUAN HI-TECH CO LTD

EB coating for PP film and preparation method of EB coating

The invention discloses an EB coating for a PP film, and relates to the technical field of PP film processing, the EB coating comprises a base material, and a transition layer, an antibacterial layer and a scratch-resistant wear-resistant layer which are sequentially arranged on the base material; wherein the antibacterial layer is prepared from the following materials in parts: 10 to 450 parts of nano silver ion particles, 10 to 100 parts of animal and plant extracts, 10 to 90 parts of titanium dioxide and 10 to 110 parts of auxiliaries. The invention further discloses a preparation method of the EB coating for the PP film. Through a material formula and a preparation process, the EB coating can form a hard and compact protective layer on the surface of the PP film, a nano material such as silicon dioxide is uniformly dispersed in the coating, scraping and abrasion of an external object to the surface of the PP film can be effectively resisted, and nano silver ions and a plant extract antibacterial agent added in the coating have the antibacterial effect on the surface of the PP film. The PP film can play a role in inhibiting and killing various bacteria, fungi and virus microorganisms, and a better use environment is brought to the PP film.
Owner:JINQIAO DEKE (WUXI) RADIATION TECH RES INST CO LTD

Small-size tubular plate type water vapor condenser

The invention belongs to the technical field of gas-liquid separation, and particularly relates to a small-size tubular plate type water vapor condenser which comprises a cylindrical heat exchange cylinder, a plurality of heat exchange pieces of the same structure are further arranged in the heat exchange cylinder, and the heat exchange pieces are detachably installed in the heat exchange cylinder; each heat exchange sheet is provided with an inclined surface facing materials, a heat exchange surface in close contact with the heat exchange cylinder, an arc-shaped structure for forming a vortex and a through hole structure for increasing gas flux, the number and angle of the heat exchange sheets and distribution of through holes in the heat exchange sheets can be adjusted according to specific water vapor condensation working conditions, so that water vapor is condensed efficiently, and the heat exchange efficiency is improved. And the volume is reduced, the application range of the condenser is widened, and the water vapor collection efficiency of the condenser per unit volume is improved.
Owner:GUANGDONG ENVIRONMENTAL RADIATION MONITORING CENT

Ice hockey

ActiveCN222324204UImprove the use environmentIncrease interest in the gameSolid ballsIce hockeyMechanical engineering
The utility model discloses an ice hockey which comprises a main body and a light-emitting device, the main body is made of light-transmitting materials, and the light-emitting device is installed on the main body. The light-emitting device is arranged on the main body of the ice hockey, and the main body is made of the light-transmitting material, so that the light source of the light-emitting device can be projected on the main body, and the whole main body emits light, so that athletes or lovers can observe the ice hockey, and even if the ice hockey is used at dusk or when light is not added at night, the ice hockey cannot be damaged. Athletes or hobbies can track the ice hockey through the light source, the use environment of the ice hockey is increased, the problem that a user cannot track the ice hockey easily at dusk or when light is not added at night is solved, and the ice hockey is more attractive due to the light-permeable design of the main body.
Owner:李淑芳

Neodymium-iron-boron permanent magnet as well as composite anticorrosive coating, preparation method and application thereof

The invention provides a neodymium-iron-boron permanent magnet and a composite anti-corrosion coating, a preparation method and application thereof, the composite anti-corrosion coating comprises polydimethylsiloxane, a curing agent and a nano component, the anti-corrosion coating has higher resistivity and better insulativity, has excellent mechanical property and anti-corrosion performance, and can be applied to the field of permanent magnets. Batch spraying can be realized by adopting a high-pressure spraying method, and the method is suitable for industrial production.
Owner:TIANJIN SANHUAN LUCKY NEW MATERIAL CO LTD +1

Composite material hydraulic machine with safety protection mechanism

The utility model discloses a composite material hydraulic machine with a safety protection mechanism, which comprises a hydraulic assembly and a safety protection mechanism, a protection assembly; the protection assembly comprises a roller shutter frame fixedly connected to the outer side of the front end of the outer shell, a roller shutter door slidably connected to the upper end of the roller shutter frame, vertical safety optical gratings fixedly connected to the two sides of the front end of the outer shell, a linear guide rail fixedly connected to one side of the interior of the outer shell, and a sliding set slidably connected to the side face of the linear guide rail. The folded plate is connected to the side face of the sliding set through bolts, and the laser scanner is fixedly connected to the outer surface of the folded plate. The safety protection device solves the problems that manual observation, judgment and operation are needed during safety protection of a traditional large composite material hydraulic machine, great potential safety hazards exist in manual judgment of safety, and blind areas exist in the whole working area when operators operate the position to check the whole working area; and a mold placed in a working area also has a certain influence on the sight of an operator.
Owner:WUXI PENGDAHZ INTELLIGENT EQUIP CO LTD

Disinfection device for tourniquet

The invention relates to the field of medical instruments, in particular to a disinfection device for tourniquets, the tourniquets are placed in a storage barrel and then enter a shell through a feeding assembly, then the storage barrel is conveyed through a conveying assembly, and the tourniquets are sequentially placed in a disinfection cavity, a flushing cavity and a drying cavity; the tourniquet in the storage barrel is disinfected through the disinfection assembly, the flushing assembly and the drying assembly, after disinfection is completed, the storage barrel is placed on the discharging assembly through the conveying assembly to flow out, in the process, the labor intensity of medical workers is linearly reduced, the medical workers do not need to make direct contact with disinfectant, and the disinfection efficiency is improved. The timer can be used for controlling the duration of disinfection, washing and drying, so that the situation that the time is prolonged due to the fact that the medical staff forget to disinfect the medical staff is avoided; the disinfection, washing and drying actions can be continuously realized, and the disinfection, washing or drying actions can be selectively realized according to requirements, so that the use requirements of medical personnel under different conditions are met.
Owner:FUXING HOSPITAL OF CAPITAL MEDICAL UNIV

Method for treating magnesium slag to produce carbon sequestration material, carbon sequestration material

The application discloses a method for preparing a carbon fixation material from magnesium slag, and the carbon fixation material, and belongs to the technical field of solid waste resource utilization. The method comprises the following steps: mixing magnesium slag and calcareous raw materials to obtain a compound material, wherein the molar ratio of calcium to silicon in the compound material is (2.3-2.7):1; forming the compound material into a green body; preheating the green body at 200-600 DEG C, calcining the green body by increasing the temperature to 1150-1450 DEG C, and cooling the green body by decreasing the temperature to 400-600 DEG C, thereby obtaining the carbon fixation material. The method can reduce the content of beta-C2S in the magnesium slag, increase the content of gamma-C2S, effectively stabilize heavy metal ions, and reduce the generation of volatile gases such as ammonia, thereby significantly improving the long-term stability and environmental safety of the material on the basis of ensuring the carbonation reaction activity.
Owner:WUHAN UNIV OF TECH

A wall cavity plugging device for building construction

This utility model discloses a wall hole sealing device for building construction, comprising a columnar sealing body adapted to the size of the pre-reserved hole in the wall, a central hole penetrating the center of the sealing body, an expansion mechanism penetrating the central hole inside the sealing body, and a vertical through groove on the outer wall of the sealing body for changing the diameter of the sealing body under the action of the expansion mechanism; several anti-slip protrusions are evenly arranged on the outer circumference of the sealing body to enhance the friction between the sealing body and the wall; a sealing rubber sleeve is fitted on the outer circumference of the sealing body to improve the sealing performance between the sealing body and the wall hole. The wall hole sealing device provided by this utility model, through the design of the expansion mechanism, enables the sealing body to fit tightly against the wall, increasing the friction and adhesion between the sealing device and the wall, effectively preventing the sealing device from loosening or falling off, and improving the sealing firmness.
Owner:JINZHOU HONGJIN CONSTRUCTION ENGINEERING CO LTD

Plateau pressurizing box type kitchen

The utility model relates to the technical field of pressurization buildings, in particular to a plateau pressurization box type kitchen which is characterized by comprising an equipment room, a pressurization operation space, a pressurization system, an exhaust system and a control system, the pressurization system is used for supplying air to the pressurization operation space for pressurization, and the exhaust system is used for exhausting waste gas in the pressurization operation space. The control system is used for controlling the pressurization system and the exhaust system; the pressurized operation space comprises a box body structure and a dish passing area; the dish passing area comprises a transition room and windows, the transition room is used for forming a dish passing channel, and the windows are arranged between the transition room and the box body structure and between the transition room and the outside. The utility model has the advantages that good kitchen use environment and effect can be provided in plateau areas, the boiling point of water under plain air pressure is higher than that of water under plateau air pressure, the cooking time of food is shortened, and the taste and nutrition of the food are kept.
Owner:TIBET RAILWAY CONSTR HEAVY IND TECH CO LTD

A kind of degradable adhesive tape and its preparation method and application

The present application relates to the field of degradable tapes, and in particular to a degradable tape and its preparation method and application. The degradable tape comprises a degradable base layer, a degradable adhesive layer on the surface of the degradable base layer, and a release layer having a protective effect on the other side of the degradable adhesive layer. The raw materials of the degradable base layer, in parts by mass, include: 100-150 parts of base resin, 40-60 parts of filler, 5-10 parts of lubricant, 20-40 parts of filler, and 1-10 parts of auxiliary agent. The degradable tape prepared in the present application can greatly improve its waterproof, mechanical and aging resistance properties while ensuring its excellent adhesion, effectively solving the performance problems of the degradable tapes on the existing market, having a very excellent market prospect, and further broadening the application field and use environment of the degradable tape. The preparation method is simple and easy to implement, providing a solution basis for subsequent large-scale production.
Owner:TENGZHOU JINGKAI PACKAGING PROD CO LTD

Multifunctional code spraying and lineation device and jet printing method

The invention relates to a multifunctional code spraying and lineation device which comprises a rack, a first supporting beam and a horizontal moving mechanism arranged on the upper portion of the first supporting beam are arranged on the rack, a code spraying and lineation mechanism and a Y-axis direction limiting mechanism matched with the horizontal moving mechanism are arranged on the rack, and a supporting main base is arranged below the rack; the horizontal moving mechanism comprises a second supporting beam and a third supporting beam which are arranged in parallel, a safety protection device supporting plate is arranged between the second supporting beam and the third supporting beam, an equipment main supporting plate is arranged above the second supporting beam and the third supporting beam, and a first linear guide rail is arranged on the second supporting beam. The code spraying and marking mechanism comprises a supporting main stand column and a code spraying moving assembly, and a driving connecting device is connected between the supporting main stand column and the code spraying moving assembly. In the implementation process, intelligent jet printing of the sectional materials can be achieved, the device is suitable for the sectional materials of different models, specifications and sizes, the requirements for accurate positioning and limiting can be met, the jet printing work efficiency is greatly improved, and the labor intensity of workers is reduced.
Owner:SHANGHAI LINGANG SHIPBUILDING EQUIP CO LTD CSSC +1

A high-concentration coffee extract liquid extraction device based on normal temperature preservation

The utility model discloses a kind of high-concentration coffee extraction liquid extraction devices based on normal temperature preservation, it is related to high-concentration coffee extraction liquid extraction technical field, and it includes: base, extraction mechanism is provided with in base upper portion, extraction mechanism is used to extract high-concentration coffee extraction liquid;Supporting plate, slide rail is opened in base inner wall, first sliding block is slidably connected in slide rail inner wall, supporting plate is fixedly connected to the side of first sliding block away from base, and extraction mechanism is fixedly set in supporting plate inner wall;Cushioning mechanism, cushioning mechanism is set in base upper portion, and cushioning mechanism is used to carry out cushioning protection to extraction mechanism.The utility model extracts high-concentration coffee extraction liquid using extraction mechanism, buffer protection is carried out to extraction mechanism using cushioning mechanism in extraction process, protect cooling cavity, filter component and other precision components, reduce the noise generated due to vibration of extraction mechanism while prolonging the durability of equipment, improve user's use environment.
Owner:PUER WUJIN COFFEE CO LTD

An easy-to-clean writing board

This utility model relates to the field of writing tablet technology and discloses an easy-to-clean writing tablet, including a writing tablet body. A connecting block is fixedly connected to the outer wall of the writing tablet body. A sliding block is fixedly connected to the outer wall of the connecting block. A support block is slidably connected to the outer wall of the sliding block. A support plate is fixedly connected to the lower surface of the support block. A motor is fixedly connected inside the connecting block. A gear is fixedly connected to the output end of the motor. A slide rail is fixedly connected to the inner wall of the connecting block. A sliding assembly is provided on the inner wall of the connecting block. The sliding assembly includes a second sliding block, a rack, and a scraper. The outer wall of the second sliding block is slidably connected to the inner wall of the connecting block. In this utility model, the motor drives the gear to rotate, causing the rack to drive the second sliding block to slide on the slide rail. The second sliding block drives the scraper to slide on the writing tablet body. Symmetrical scrapers are provided on both sides of the writing tablet body.
Owner:JINJIANG HONGSHUN CHILDRENS PROD CO LTD

Preparation method and bonding method of biomass adhesive for bonding wood at room temperature without pressure

The invention discloses a preparation method of a biomass adhesive for bonding wood at room temperature without pressure and a bonding method of the biomass adhesive, and belongs to the field of wood processing. The problems that an existing biomass adhesive is large in viscosity, low in bonding strength, poor in water resistance and complex in process are solved. The method comprises the following steps: 1, treating the surface of a veneer to remove part of lignin and hemicellulose; secondly, the pretreated veneer is soaked in a cellulose solvent system to be completely dissolved; the bonding method comprises the following steps: coating the biomass adhesive for bonding the wood at room temperature without pressure on a to-be-bonded surface of the wood, then butting, dipping in water at room temperature, and finally drying at room temperature, thereby completing the bonding method. The preparation method is used for preparing and bonding the biomass adhesive for bonding the wood at room temperature without pressure.
Owner:NORTHEAST FORESTRY UNIV

Filtering silencer for oxygen generator

The utility model provides a filtering silencer for an oxygen generator, which relates to the technical field of oxygen generator filtering silencers, and comprises a filtering barrel, a first-stage filtering net is arranged in the filtering barrel, a second-stage filtering net is arranged in the filtering barrel, the second-stage filtering net is arranged on the side of the first-stage filtering net, and the second-stage filtering net is arranged on the side of the second-stage filtering net. And a third-stage filter screen is arranged in the filter barrel and is arranged on the side of the second-stage filter screen. According to the air purifier, the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are arranged in the filter barrel, so that air can be filtered layer by layer, particulate matters and pollutants in the air can be effectively removed, and purer oxygen can be provided; the outer sides of the third-stage filter screen, the second-stage filter screen and the first-stage filter screen are each provided with a sound insulation cover, the sound insulation covers are beneficial to weakening airflow noise layer by layer, the sound insulation covers are matched with a sound absorption box, noise absorption is facilitated, and therefore the noise volume is reduced.
Owner:JIANGSU LEOXY LIFE TECH CO LTD

Cooking machine and cooking fume treatment device thereof

The utility model discloses an oil fume treatment device of a cooking machine and the cooking machine. The oil fume treatment device comprises a fume exhaust assembly, a fan and an oil fume purification device, the smoke exhaust assembly comprises a support and a cantilever which are arranged on the cooking machine, the cantilever is rotatably arranged on the support, and the cantilever is located above a pot of the cooking machine; a pot cover is arranged at the front end of the cantilever and used for covering a pot, and a smoke outlet hole is formed in the pot cover; a smoke outlet corresponding to the smoke outlet hole in position is formed in the bottom surface of the cantilever; and an air outlet of the fan is communicated with the oil smoke purification device. The utility model provides an oil smoke treatment device of a cooking machine and the cooking machine, which can increase the use environment of the cooking machine.
Owner:NEXT ROBOT INC

Sparkproof and explosion-proof elevator safety gear wedge block

The invention discloses a spark-proof and explosion-proof elevator safety gear wedge block, and belongs to the technical field of elevator protection, the spark-proof and explosion-proof elevator safety gear wedge block comprises a bottom plate, mounting plates are fixedly welded to the two sides of the upper end of the bottom plate, threaded columns are rotatably mounted in the middles of the surfaces of the mounting plates, and a fixing seat is rotatably mounted on one side of each threaded column; a first moving block capable of moving up and down is arranged on one side of the fixing base, a second moving block capable of moving along the inclined face of the first moving block is arranged on one side of the first moving block, protection mechanisms are arranged on the two sides of the second moving block and the two sides of the mounting plate, and a limiting nail is connected to the surface of the mounting plate in an inserted mode and fixedly connected with one side of the fixing base. On the basis that falling prevention of the dry shaft elevator is achieved, a certain spark-proof effect can be achieved, fires caused by violent friction are prevented, a certain protection effect can be achieved, and the situation that built-in parts are collapsed and overflowed under violent friction, and normal use of surrounding devices is affected is prevented.
Owner:苏迅电梯有限公司 +1

Solar power supply outdoor integrated intelligent pump house

ActiveCN222362559UIncrease the effective lighting areareduce usagePhotovoltaic supportsSolar heating energyBattery packElectric wire
The utility model discloses a solar power supply outdoor integrated intelligent pump house, and particularly relates to the technical field of pump houses, the solar power supply outdoor integrated intelligent pump house comprises a pump house cabinet and a water pump unit located in the pump house cabinet, an openable cabinet door is installed on the outer wall of the pump house cabinet, and an identification camera is installed on the outer wall of the cabinet door. A base is installed on the top of the pump room cabinet, a solar assembly capable of moving in a lifting mode is installed on the base, an indoor camera is installed on the inner wall of the pump room cabinet above the water pump unit, and a battery pack is installed on the inner wall of the pump room cabinet on the side away from the indoor camera. According to the utility model, through efficient power supply and use of solar energy, the effective illumination area of solar energy is increased, the power generation efficiency is improved, the use of commercial power is reduced, and the laying and use of circuit cables can be reduced in the process of arranging and installing the pump room, so that the efficiency of installing and arranging the pump room cabinet is improved, and the installation cost of the pump room cabinet is reduced; the use environment is improved, and the application range of the pump room cabinet is widened.
Owner:TAIZHOU JINCHUAN PUMP

Clamping device for robot automatic production line

ActiveCN222308869UIncrease the degree of fixationStable deliveryGripping headsTotal factory controlProduction linePhysics
The utility model discloses a clamping device for a robot automatic production line. The clamping device comprises a fixing plate, a base plate is fixedly connected to the fixing plate, a clamping plate is rotationally installed on the base plate, a driving plate is installed on the base plate in a sliding mode, the driving plate is movably connected with the clamping plate, an abutting fixing rod is arranged on the outer wall of one side of the clamping plate, and an abutting fixing plate is installed at one end of the abutting fixing rod in a sliding mode. According to the clamping device for the robot automatic production line, when a part is placed on the base plate, the driving plate drives the clamping plate to rotate towards one side close to the base plate, then the clamping force on the clamping part is fastened, the abutting and fixing rod arranged on the clamping plate is installed in a telescopic mode, when the clamping plate gradually rotates, the abutting and fixing rod also rotates along with the clamping plate, and therefore the clamping force on the clamping part is increased. The driving plate drives the abutting and fixing plate to rotate to be attached to the clamping piece, the fixing degree of the clamping piece is increased, stable and efficient conveying is achieved through cooperation of the driving plate and the clamping plate, the use environment of the device is increased through the fixing plate capable of being flexibly installed, and practicability is improved.
Owner:KESHU INTELLIGENT TECH (NANJING) CO LTD

A convenient low-voltage integrated distribution box for smart devices

The present invention discloses a portable low-voltage integrated distribution box for intelligent devices, relates to the technical field of integrated distribution boxes, and comprises a distribution box main body, a distribution box door is hingedly connected to one side of the front of the distribution box main body, an electrical component is fixedly installed on the middle part of the inner side of the distribution box main body, a cooling top box is installed on the top of the distribution box main body, a lifting liquid bag is connected to the bottom of the cooling top box, a connecting bottom box is connected to the bottom of the lifting liquid bag, and a fixed side plate is installed on the inner side of the distribution box main body. The present invention effectively optimizes the heat dissipation process inside the distribution box, so that the heat inside the distribution box main body can be quickly gathered to the edge of the distribution box main body, ensuring that the temperature of the working area of ​​the electrical component can be continuously maintained in a suitable temperature range, further improving the heat dissipation effect inside the distribution box, effectively avoiding the failure of the electrical components inside the distribution box due to excessively high temperature, and effectively improving the service life of the distribution box.
Owner:HEBEI HANLING ELECTRIC TECH CO LTD

A dust removal device for automobile fuel filter

The present invention provides a dust removal device for an automobile fuel filter. The dust removal device for an automobile fuel filter comprises a shell, the front surface of the shell contacts a first cover plate, the outer surface of the first cover plate is fixedly connected with a first fixing member, the inner wall of the first fixing member is threadedly connected with a bolt, the outer surface of the bolt is threadedly connected with a nut, the inner wall of the shell is provided with a first slide groove, the inner wall of the first slide groove is slidably connected with a replaceable magnetic material adsorption box, the inner wall of the shell contacts a first fixed plate, the rear surface of the first fixed plate is fixedly connected with a third support block, the rear surface of the third support block contacts a second fixed ring through a third slide groove, the rear surface of the second fixed ring is fixedly connected with a filter screen, and the outer surface of the filter screen is provided with replaceable filter paper. The dust removal device for an automobile fuel filter reduces the use cost and improves the use scenario through replaceable filter paper and replaceable magnetic material.
Owner:HUANGSHAN AOSHENG FILTER TECH CO LTD

Adjustable multi-direction displacement double-flange pipeline force transmission joint

ActiveCN224364525UAdjustable joints
The utility model relates to the field of double flange pipeline force joint, especially a kind of adjustable multidirectional displacement double flange pipeline force joint. Including bellows, both ends of the bellows are fixedly connected with flange body, the camber surface of flange body is equipped with adjusting structure, the adjusting structure includes limit block, the limit block is fixedly connected with flange body, the inner wall of limit block is rotatably connected with pivot, the camber surface of pivot is fixedly connected with sleeve rod, the end of two sleeve rods mutually close is rotatably connected with threaded ring, the inner wall of sleeve rod is slidably connected with screw rod. The utility model provides a kind of adjustable multidirectional displacement double flange pipeline force joint, which can conveniently adjust the length or angle of the connector after connecting the double flange pipeline joint with the pipelines at both ends. It not only increases the use of pipeline joint in various environments, but also allows for quick adjustment of the pipeline joint based on the position of the two pipelines.
Owner:JIANGYIN CHENGYUAN WATER SUPPLY & DRAINAGE EQUIP CO LTD

Adjusting mechanism of air purifier

The utility model discloses an adjusting mechanism of an air purifier, and particularly relates to the technical field of air purifiers, the adjusting mechanism comprises a box body, the upper end of the box body is fixedly connected with a filter box, the front part of the upper end of the filter box is provided with a mounting groove, and the bottom wall of the mounting groove is fixedly provided with a dismounting assembly; a pulling-out assembly is slidably mounted on the outer surface of the dismounting assembly, an air inlet is formed in the middle of the front end of the filter box, and an adjusting assembly is fixedly mounted on the inner surface of the air inlet. According to the adjusting mechanism of the air purifier, the air inlet amount can be automatically adjusted according to the needed air inlet amount through the arranged adjusting assembly, the adjusting steps are simple, then the adjusting efficiency of the air inlet is improved, meanwhile, the filter element can be replaced more conveniently and rapidly in the follow-up process through the arranged disassembling and assembling assembly, and the adjusting efficiency of the air purifier is improved. Meanwhile, through the arranged pulling-out assembly, when the filter element is taken out subsequently, the situation that dust flies around can be reduced, and then the use environment of the device is improved.
Owner:ZHEJIANG SHANGPIN MECHANICAL & ELECTRICAL ENG CO

Ice hockey, charging device and ice hockey kit

An ice hockey puck, charging device, and ice hockey kit relate to the field of ice hockey sports equipment technology. The kit includes a housing, at least partially translucent; a light-emitting device disposed within the housing, capable of emitting light through the translucent portion of the housing; a power source, with the light-emitting device electrically connected to the power source; and a magnetic induction switch disposed within the housing and electrically connected to the power source, used to control the conduction or cutoff of the circuit between the light-emitting device and the power source based on changes in an external magnetic field. By incorporating a light-emitting device on the housing, the entire body illuminates, allowing athletes or enthusiasts to clearly observe the ice hockey puck, significantly improving the usage environment and applicability of ice hockey.
Owner:李淑芳

Perovskite solar cell

The embodiment of the invention provides a perovskite solar cell. The perovskite solar cell comprises a substrate, a first transmission layer, a lead absorption perovskite layer, a second transmission layer and a top electrode which are sequentially stacked, the substrate is made of a light-transmitting conductive material and is used for leading in light and leading out current; the first transmission layer and the second transmission layer are used for transmitting carriers; the lead absorption perovskite layer comprises a lead absorption layer and a perovskite layer; wherein the lead absorption layer is made of methylglycine diacetic acid trisodium salt, and the perovskite layer is used for photoelectric conversion; and the top electrode is used for leading out current. According to the embodiment of the invention, the methylglycine diacetic acid trisodium salt with a metal ion chelation effect is introduced between the perovskite and the transmission layer to serve as the lead absorption layer, so that lead leakage in the perovskite layer is prevented. The method is simple, effective and low in cost, and the stability, the service life and the environmental friendliness of the perovskite solar cell are improved.
Owner:HUANENG CLEAN ENERGY RES INST

Self-adhesive modified asphalt building waterproofing membrane and preparation method and construction method

The invention belongs to the field of building waterproof materials, and discloses a self-adhesive modified asphalt building waterproof roll material, a preparation method and a construction method; the self-adhesive modified asphalt building waterproof roll material comprises a modified asphalt layer, an adhesive layer and an isolation protective film applied to the adhesive layer; wherein, the adhesive layer is pre-implanted with a polyurethane prepolymer in a butyl rubber self-adhesive layer, and during construction, a layer of dispersion liquid of amino-terminated polyether and liquid amine is pre-sprayed on a building base surface, so that while the butyl rubber is bonded, the polyurethane prepolymer quickly extends the chain with the amino-terminated polyether and liquid amine on the building base surface to form a polyurea layer, the polyurea has extremely strong hydrophobicity, is insensitive to environmental humidity, and can be normally constructed under extremely harsh environmental conditions, thereby effectively bonding the waterproof roll material to the building base surface without being affected by the water content of the base surface.
Owner:江苏多聚新材料科技有限公司

Aircraft lavatory lighting control switch

The utility model relates to an aircraft lavatory lighting control switch, the switch includes base, support, elastic sheet, switch and cable, the base is used for with aircraft lavatory superior component connection, the support is located the top of base and is connected with it, the elastic sheet is installed in the one end of support far from the base, the switch is fixed on the support and is matched with the elastic sheet, one end of cable connects the switch, the other end connects aircraft lavatory light system, when aircraft lavatory door closes, the elastic sheet is pressed switch and changes its state to control the lighting light to open, the utility model has the advantages of simple structure, easy assembly, spare parts easy to get and low cost, can control aircraft lavatory inside lighting safely and effectively.
Owner:BEIJING ANDAWELL CIVIL AVIATION TECH

Four-stack astronomical observation station building with translation top

The astronomical observation station building is characterized in that side protection walls are arranged on the two sides of the astronomical observation station building, plug opening and closing plates are installed at the rear ends of the side protection walls, dustproof inlets and outlets are formed in the front ends of the side protection walls, and first sliding guide rails and fixed roofs are installed on the outer sides of the upper portions of the side protection walls; a first translation jack, a second translation jack and a third translation jack are installed on the first sliding guide rail, a chain box and a chain are arranged on the inner side of the upper portion of the side protection wall, stroke limiters are arranged at the two ends of the side protection wall, the lower end of the traction wall is connected with the chain, a transmission shaft and a translation motor are installed at the front end of the sliding guide rail, and a transmission gear is installed on the transmission shaft and meshed with the chain. The plug opening and closing plates are connected with the side protection walls through opening and closing supports, and an opening and closing motor is installed between the opening and closing supports. According to the astronomical observation station building with the four-stack translation top, the modular structural design is adopted, the astronomical observation station building has the good moving and assembling performance and the good dustproof and waterproof performance, the manufacturing cost is low, maintenance is convenient, and outdoor astronomical observation is convenient.
Owner:NANJING GEMINI TECHNOLOGY CO LTD