52results about How to "Avoid Static Cling" patented technology

The invention discloses an MEMS piezoresistance type two-axis acceleration sensor chip and a preparing method thereof. The MEMS piezoresistance type two-axis acceleration sensor chip comprises four sets of same sub-structures. The four sub-structures are uniformly distributed at the periphery of a fixed island. The fixed island is connected with a mass block through an inner supporting beam. The mass block is connected with an outer frame through an outer supporting beam. Sensitive beams are symmetrically distributed at two sides of the outer supporting beam. One end of the sensitive beam is connected with one end of the mass block, and the other end of the sensitive beam is connected with the outer frame. The two sub-structures which face each other relative to the fixed island form a set, thereby forming a whole working structure for measuring one acceleration direction, thereby respectively measuring the accelerations in an X-axis and a Y-axis. The two sensitive beams of each sub-structure are respectively provided with a pressure-sensitive resistor and are connected with a pad through metal leads, thereby forming a semi-open-ring Wheatstone full-bridge circuit. The sensor chipcan realize separated measurement of the accelerations below 200g in two axes. The natural frequency of the MEMS piezoresistance type two-axis acceleration sensor reaches above 20kHz, and the sensitivity is higher than 0.5mB / g / 3V. Furthermore the MEMS piezoresistance type two-axis acceleration sensor chip has relatively high resonant frequency and high sensitivity.

The invention discloses an efficient antibacterial and deodorant down cleaning agent, which is prepared from the following raw materials in parts by weight: 20-40 parts of ethoxy alkyl (C12-14) sodium sulfate (AES,70), 10-20 parts of sodium dodecyl benzene sulfonate, 7-12 parts of polyoxyethylene sorbitan fatty acid ester, 1-3 parts of eucalyptus oil, 1-5 parts of cassia oil, 1-5 parts of peppermint oil, 13-18 parts of tea saponin, 10-12 parts of chitosan fiber, 5-8 parts of cocamidopropyl betaine, 5-7 parts of vinyl trimethoxy silane, 0.1-0.3 part of a preservative, 0.1-0.3 part of a defoaming agent, 0.5-1.5 parts of an Eclean cleanliness factor, 0.5-1.5 parts of glycerin, 1-3 parts of an essence and 30-50 parts of deionized water. The cleaning agent has sterilizing, de-odorizing and conditioning functions, is high in detergency, good in stability, suitable for cold water and hot water, neutral, gentle to hands, ecological and environment-friendly; the adopted surfactant is good in biodegradability and does not contain a cancerogen or heavy metal ions, and is free of harm to human health; the cleaning agent is obvious in antibacterial effect and has long effectiveness; and the bacteria inhibition rate on candida sporogenes, escherichia coli and Jinshan staphylococcus reaches over 98.5%.

The invention provides a feeding mechanism for horizontal extension production of polytetrafluoroethylene filter membrane, which has stable and reliable tension and speed, flat and no-damaged feeding via a longitudinal extension base band, and simple operation. The feeding mechanism comprises a supporting plate arranged between opposite static clamping plates, a pressure plate is arranged above the supporting plate, and clearance through which the polytetrafluoroethylene membrane can pass is arranged between the pressure plate and the supporting plate; the feeding mechanism further comprises an unwinding device for feeding the polytetrafluoroethylene membrane into the clearance with constant linear speed and constant tension; and two pairs of shearing rolls positioned at two sides of the polytetrafluoroethylene membrane are arranged between the unwinding device and the supporting plate, wherein each pair of shearing rolls is composed of an upper roll and a lower roll which are used for clamping a side part of the polytetrafluoroethylene membrane and parallel to each other.

The invention provides quick-drying and anti-cracking oil paint and a preparation method thereof. The oil paint is prepared from the following raw materials in parts by weight: 20 to 30 parts of acrylic emulsion, 10 to 15 parts of polyurethane resin emulsion, 5 to 10 parts of vinyl versatate, 15 to 20 parts of zeolite powder, 10 to 15 parts of pigment toner, 3 to 6 parts of dipropylene glycol butyl ether, 3 to 6 parts of butyl acetate, 0.5 to 1 part of a polyethylene-ethylene glycol-methacrylic acid copolymer, 0.2 to 1 part of bee wax, 0.2 to 1 part of a drier, 0.2 to 1 part of sodium benzoate and 10 to 20 parts of distilled water. According to the quick-drying and anti-cracking oil paint, all the components have a common effect and an air drying speed of the oil paint is effectively improved; meanwhile, the color and luster, hardness and stability of the paint can be improved and the drawing efficiency is improved; the quick-drying and anti-cracking oil paint has very good popularization and application value.

The invention discloses a nanometer high-tech sea sand and river sand harmful substance removal production method and production equipment thereof. The production method sequentially comprises the following steps: 1) conducting primary rough washing to sea sand or river sand by using a washing method; 2) fully mixing hydrogen peroxide solution with the sea sand or river sand subjected to primary rough washing for washing; 3) conducting rough washing again to the sea sand or river sand subjected to washing in the previous step by adopting the washing method to obtain finished products. The nanometer high-tech sea sand and river sand harmful substance removal production method and production equipment thereof have the advantages that since a hydrogen peroxide and water washing method is utilized, microorganisms, organic matters and algae on the surface of the sea sand or river sand can be effectively removed, the electric conducting performance of the water is increased, static electricity can be prevented from being produced to adsorb fine powder, harmful substances in the sea sand or river sand can be removed, the washed finished products are cleaner, the quality of the finished products is improved, the production equipment is simple and mass production can be realized.

The invention relates to a channel for conveying a bill or paper. The channel comprises a printing paper feeding channel, a scanning paper feeding channel, a connecting channel, a storage box A paperfeeding channel and a storage box B paper feeding channel; one end of each of the printing paper feeding channel and the scanning paper feeding channel is communicated with the top end of the connecting channel which is arranged vertically; one end, far away from the connecting channel, of the printing paper feeding channel is communicated with a printer; one end, far away from the connecting channel, of the scanning paper feeding channel is communicated with a scanner; and after the paper or bill enters the connecting channel, the paper or bill enters the storage box A paper feeding channel or the storage box B paper feeding channel correspondingly according to the set classification and under the action of a paper prodding mechanism, so that the paper or bill is collected in the storagebox A and the storage box B correspondingly. The channel for conveying the bill or paper avoids high-intensity work of manual classification, effectively improves the working efficiency and has greatmarket prospect.

The invention provides an MEMS reflection system, a manufacturing method of the reflection system, and a reflection system array comprising multiple reflection systems. After frequent use of a conventional reflection system, since the whole surfaces of an over beam and a block sheet are covered by dielectric layers, during the voltage application work process of a fixation electrode and a reflector, since the reflector and the block sheet continuously bump into each other, trap charge is generated at the dielectric layer portion disposed on the block sheet, the trap charge generates a static electro adsorption phenomenon, and consequently, the reflector is absorbed to the block sheet and cannot rebound. In order to avoid such problems, the invention, the dielectric layer on the surface of a portion, which is directly contacted with the reflector, on the block sheet is at least removed, and the surface of the portion is made of a conductive material, so that the electro adsorption between the two is avoided.

The invention relates to an algal polysaccharide sulfate capsule, a formula of the algal polysaccharide sulfate capsule with low molecular weight, and a preparation process thereof. The formula meetsthe clinic requirement and the capsule is convenient to take by patients. The formula of the algal polysaccharide sulfate capsule provided by the invention is prepared from algal polysaccharide sulfate or algal polysaccharide sulfate with low molecular weight and pharmaceutically acceptable ingredients. Empty capsules are algal polysaccharide capsules and other types of polysaccharide capsules unreacted with a main drug; the acceptable ingredients comprise a filling agent, a lubricating agent and the like; through screening different types of empty capsules and relevant ingredients, the capsule with good dissolubility, good stability, and unreaction with the main drug and the ingredients is obtained. The invention also provides the preparation process of the algal polysaccharide sulfate capsule or the algal polysaccharide sulfate capsule with low molecular weight. The preparation method comprises the steps of uniformly mixing the ingredients of the formula, sieving through a 80-mesh sieve, adding the main drug into the sieved ingredients, uniformly mixing, inspecting an intermediate, filling the capsule, packaging, and obtaining a finished product.

The invention discloses a vehicle-mounted digital display platform which includes a rotary disc, a connecting wing, a connecting bearing, a display screen, a division plate, a protective screen and acooling fan. The vehicle-mounted digital display platform has scientific and reasonable structure, and is safe and convenient to use. An electric lifting and shrinking bar is arranged to convenientlyadjust the height of the vehicle-mounted digital display platform so as to be helpful to prevent traffic accidents caused by a driver switching a visual angle between the driving vision and the digital display platform in the process of driving. The rotary disc and the connecting bearing are arranged to facilitate the up-down and left-right multi-azimuth adjustment of the vehicle-mounted digital display platform in use and be helpful to the use of users. The cooling fan is arranged to eliminate the heat generated by components in the digital display platform so as to prolong the service life of the digital display platform. The protective screen is arranged to prevent other sundries from falling into a box and causing damage to the internal components. The display screen can be completelyshielded by the division plat to prevent the static electricity on the display screen from absorbing dust around the display screen.

This is a kind of fan capable of preventing pollution. In order to avoid adsorption resulting from static electricity, this invention uses conductive plastic or fiber as wind blade and makes the wind blade ground. Thus, it can release static electricity. This invention is widely used in air blast equipment.

The invention discloses a humidification device and a gas humidifying method. The gas humidifying method comprises the steps that high-pressure gas and high-pressure liquid are input into a cylinder body through a high-pressure gas inlet unit and a high-pressure liquid inlet unit respectively; the high-pressure gas and the high-pressure liquid input by the high-pressure gas inlet unit and the high-pressure liquid inlet unit form high-pressure gas flow and high-pressure liquid flow through a high-pressure gas spraying unit and a high-pressure liquid spraying unit respectively; the high-pressure liquid flow formed through the high-pressure liquid spraying unit is processed by a high-pressure liquid atomization unit and then forms atomized liquid, and a high-pressure gas collecting unit collects the high-pressure gas flow processed by the high-pressure gas spraying unit and guides the high-pressure gas flow into liquid accumulated in the cylinder body; the guided-in high-pressure gas flow is subjected to primary humidifying processing through the liquid accumulated in the cylinder body, and the high-pressure gas flow after primary humidifying moves upwards and is subjected to humidifying processing again through the atomized liquid formed at the high-pressure liquid atomization unit; and the high-pressure gas flow after humidifying processing again flows through a humidifying gas output unit and is discharged out.

The invention discloses a lighting and energy-saving control device. The lighting and energy-saving control device comprises a control device body and a maintenance door, wherein a control switch is arranged on the maintenance door, a fixed plate, a processing box, an exhaust fan, a storage battery and an inverter are arranged in the control device body, a group of control components are arrangedon the fixed plate, a filtering net is arranged in the processing box, the processing box is connected with a first smoke transmission pipe and a second smoke transmission pipe, the other end of the second smoke transmission pipe is connected with the exhaust fan, a dust collection pipe is fixedly arranged at an upper end of the exhaust fan, a trapezoid protection shed is arranged at the top of the control device body, and a photovoltaic solar cell panel is arranged on the trapezoid protection shed. By members such as the exhaust fan, the processing box and the filtering net, heat is rapidly dissipated when the lighting and energy-saving control device normally works; and meanwhile, dust and air are sucked to the processing box, the dust is filtered by the filtering net, and the device canbe prevented from being affected by an external environment to be damaged by the trapezoid protection shed.

The invention discloses a dust-proofing display screen for industrial automation. The display screen comprises a shell, a display screen body and a fixing base plate, wherein a panel groove is formedin the middle of the front end of the shell, and an embedded groove is formed in the panel groove; the display screen body is arranged in a display screen mounting groove, and a circuit board, which is electrically connected to the display screen body, is arranged at the back of the display screen body; threaded holes are formed in the parts, at the outer side of the display screen mounting groove, of the shell, and pads are stuck to the back side of the shell; the outer side of the fixing base plate is fixed to the shell via fixing bolts; and each fixing bolt runs through a corresponding fixing hole and is screwed to the corresponding threaded hole. According to the dust-proofing display screen for industrial automation, through the arrangement that an ultra-thin anti-static film is stuckto the outer side of the display screen body, the condition that dust is adsorbed to the display screen body by static electricity generated on the display screen body can be prevented; space sealingcan be implemented via a sealing pad; and when an anti-dust panel, which is constituted by an anti-static organic glass sheet, is protected, dust-proofing of the industrial automatic display screen can be implemented better, so that the development of the display screen industry is promoted.

The invention discloses a display screen wiping device capable of preventing electrostatic dust adsorption. The display screen wiping device capable of preventing electrostatic dust adsorption comprises a main machine body, two fixing blocks are fixedly arranged on the left side face of the main machine body, inserting grooves are formed in the fixing blocks, the bottom face and the top face of ashell can be inserted into the inserting grooves, and a gravity block is fixedly arranged on the left side faces of the two fixing blocks; the main machine body is closely attached to the right side face of the shell; and a storing cavity with a leftward opening is formed in the main machine body, a moving cavity of which an opening faces a display screen is formed in each fixing block, and a moving body is arranged between the upper wall and the lower wall of the storing cavity in a left-right sliding mode and slidably connected with the inner wall of the moving cavity. According to the display screen wiping device capable of preventing electrostatic dust adsorption, a computer display screen is cleaned and wiped by adopting an automatic wiping and cleaning mode, and therefore not only can the manual cleaning complex process be reduced, but also electrostatic dust adsorption of the display screen can be effectively prevented.

The invention discloses a wrinkle-proof cloth winding device. The wrinkle-proof cloth winding device comprises a discharge contact tip, a cloth supporting frame, a support and a motor, wherein supportcolumns are arranged below the support, and a movable wheel is arranged below each support column; a rotating shaft is arranged in the center of the support, a second roller shaft is arranged on theouter side of the rotating shaft, a fixing frame is arranged above the support, and a first roller shaft is arranged above the fixing frame; a supporting rod is arranged on one side of the first roller shaft; the discharge contact tip is arranged above the supporting rod, the other side of the first roller shaft is provided with a third roller shaft, and the motor is arranged on the other side ofthe third roller shaft; and a controller is arranged in front of the motor, a compression roller cylinder is arranged above the motor, a transmission base is arranged on the other side of the compression roller cylinder, the cloth supporting frame is arranged above the transmission base, and a protective cover is arranged on the other side of the cloth supporting frame. The wrinkle-proof cloth winding device has the beneficial effects that straightening and flattening are repeated, wrinkles are prevented from appearing; and discharging before cloth winding, so that the condition that electrostatic electricity adsorbs dust is prevented during cloth winding, and therefore the cleanness and the tidiness are ensured.

The invention discloses a low-carbon environment-friendly material for injection moulding. The low-carbon environment-friendly material is prepared from the following raw materials in percentage by weight: 20%-45% of polypropylene, 53%-70% of wood powder (or bamboo powder), 0.2%-2.0% of lubricating agents, 11%-30% of silane coupling agents, 0.5-3% of preservative agents, 1%-3% of antioxidants, 0.1%-2.0% of antibacterial agents, 0.1%-15% of abrasion-resistant agents, 0.1%-8.0% of coupling agents, 1.0%-5.0% of moisture absorbents, 0.1%-2.0% of antistatic agents and 0.1%-5.5% of other auxiliary agents. The low-carbon environment-friendly material disclosed by the invention can be subjected to color blending as required, is mildewproof and antibacterial, can prevent the dust from being electrostatically adsorbed, adopts renewable recycling raw materials, is low in cost and easy and convenient to process, facilitates batch production and popularization, accords with low-carbon, economic, green and environment-friendly characteristics and has very good significance through substitution for plastic raw materials and woods.

The invention discloses a mounting machine for ancient books, calligraphy and painting and with dust-proof and drying effects. The mounting machine comprises a stabilizing frame and a first abutting plate, and the upper end of the stabilizing frame is provided with a supporting frame; a supporting roller is mounted at the upper end of the inner side of the supporting frame, a hot-pressing roller is fixed to the upper side of the supporting roller, and a back plate is fixed to the upper end of the rear side of the supporting frame; a hot air fan is fixed to the surface of the back plate, and the back plate is mutually connected with a top plate through a rotating shaft; and an ion blower is fixed to the surface of the top plate, side plates are fixed to the two sides of the top plate, crossplates are arranged on the edges of the front ends of the side plates, the first abutting plate is arranged on the surface of the rear end of the back plate, and a second abutting plate is arranged on the lower surface of the rear end of the top plate. According to the mounting machine for the ancient books, the calligraphy and the painting and with the dust-proof and drying effects, the ion blower can prevent static electricity from adsorbing dust to the mounting face of a scroll painting, the device is internally provided with the hot air fan, the scroll painting can be air-dried in the mounting process of the ancient calligraphy and painting, the structure is stable, and the mounting efficiency of the device is greatly improved.

The invention provides a feeding mechanism for horizontal extension production of polytetrafluoroethylene filter membrane, which has stable and reliable tension and speed, flat and no-damaged feeding via a longitudinal extension base band, and simple operation. The feeding mechanism comprises a supporting plate arranged between opposite static clamping plates, a pressure plate is arranged above the supporting plate, and clearance through which the polytetrafluoroethylene membrane can pass is arranged between the pressure plate and the supporting plate; the feeding mechanism further comprises an unwinding device for feeding the polytetrafluoroethylene membrane into the clearance with constant linear speed and constant tension; and two pairs of shearing rolls positioned at two sides of the polytetrafluoroethylene membrane are arranged between the unwinding device and the supporting plate, wherein each pair of shearing rolls is composed of an upper roll and a lower roll which are used for clamping a side part of the polytetrafluoroethylene membrane and parallel to each other.

The invention discloses a preparation process of an automobile lamp outer cover. The automobile lamp outer cover is prepared from a high-transparency silicone material. The concrete process comprises the steps of firstly mixing the silicone material, a cross-linking agent and nano-silicon dioxide in a high-speed mixer for 10 to 20min, then transferring the obtained mixture into a double-screw extruder, melt-extruding for pelletizing, drying the prepared particles at the temperature of 85 to 100 DEG C for 2 to 6h, then adding the dried particles into an injection molding machine, and injection molding to obtain an automobile lamp outer cover semi-finished product, wherein the mass ratio of the silicone material, the cross-linking agent and the nano-silicon dioxide is (50 to 80): (0.1 to 0.5): 1; and finally, plating the surface of the automobile lamp outer cover to obtain the automobile lamp outer cover. The automobile lamp outer cover is made of the high-transparency silicone material instead of a traditional PMMA (Polymethyl Methacrylate) material, so that the prepared automobile lamp outer cover has good high temperature resistance and good shock resistance, and is prevented from being damaged due to collision.

The invention discloses a special material for building block type wood-plastic bricks and a preparation process of the special material. The special material comprises the following components by weight: 20-45% of polypropylene, 53-70% of wood meal (or bamboo meal), 0.2-2.0% of a lubricant, 0.1-2.0% of an antimicrobial agent, 0.1-15% of an anti-wear agent, 0.1-8.0% of a coupling agent, 1.0-5.0% of a hygroscopic agent, 0.1-2.0% of an antistatic agent, and 0.1-5.5% of other assistants. The preparation process of the special material comprises the following steps: proportionally weighing polypropylene, the wood meal (or bamboo meal), the lubricant, the antimicrobial agent, the anti-wear agent, the coupling agent, the hygroscopic agent, the antistatic agent and other assistants, mixing in a mixer at a low speed for 10min, mixing and extruding in a double screw extrusion machine in the condition of a certain strength shearing screw assembly at a low rotation speed, water ringing or pelleting under water, and dewatering to obtain the special material for building block type wood-plastic bricks. The special material for building block type wood-plastic bricks can be subjected to color matching as required, can prevent electrostatic adsorption of dust, adopts recycled raw materials, has low cost and is convenient for processing, can use ordinary injection molding machine and molds, is convenient for batch production and popularization, meets the low-carbon, economic and environment-friendly characteristics, replaces plastic raw materials and wood as well as fired bricks, and is very useful.

The invention relates to the technical field of light guide plate machining, in particular to laser machining equipment for a light guide plate. The laser machining equipment for the light guide platecomprises a rack, a dust suction mechanism, a blowing mechanism and a laser generating mechanism; the dust suction mechanism comprises an air outlet, a filtering box and a dust suction part; the blowing mechanism comprises an air inlet, a drying box and a blowing part; and the laser generating mechanism is used for generating laser light to cut the light guide plate. According to the laser machining equipment for the light guide plate, the blowing mechanism and the dust removing mechanism are arranged, blowing can be achieved while dust suction is conducted, generation of negative pressure isprevented, and the laser machining precision is guaranteed.

The invention discloses a waterproof environment-friendly packaging bag and a preparation method, the waterproof environment-friendly packaging bag comprises a base layer, and the base layer comprises the following main components: water, rice husk, cellulose, starch, natural resin, lignin, a curing agent, a phosphate ceramic material and biodegradable plastic. The base layer is prepared from the rice husks, the cellulose, the starch, the natural resin, the lignin, the curing agent and other materials, so that the environment-friendly effect of the base layer can be greatly improved, and the base layer has a degradable function on the basis of improving the strength of the base layer; meanwhile, the phosphate ceramic material and the biodegradable plastic are wide in degradation range, can effectively improve the wear-resistant and waterproof effects of the packaging bag, are non-toxic to the environment, enable the base layer to form a scientific beneficial substance proportion, and solve the problems that an existing industrial transportation packaging bag is poor in waterproof effect, prone to being affected by external moisture in the use process and poor in waterproof performance. The sealing protection effect of the packaging bag is seriously disturbed, and the use requirement of a high-humidity environment cannot be met.

The invention provides an ultra-smooth dual-band reflector and a preparation method thereof. The ultra-smooth dual-band reflector comprises a substrate and a reflecting film plated on the substrate, the reflecting film is composed of platinum films and non-metal films which are alternately stacked through metal, the metal films comprise chromium films and platinum films, the chromium films are plated on the substrate, the platinum films and the non-metal films are alternately laminated and plated on the chromium films, the top layer and the bottom layer in the laminated structure formed by the platinum films and the non-metal films are chromium films, the thickness of each chromium film is 1 to 3nm, the thickness of each platinum film is 5 to 30nm, the thickness of each non-metal film is 1 to 100nm, and the total thickness of the reflecting film is 100 to 300nm. According to the invention, the low high-frequency roughness and the low intermediate-frequency roughness can be ensured, the reflectivity to an imaging waveband is high, the space environment irradiation resistance is high, the space adaptability is good, and the performance is stable.

The invention relates to the technical field of paint spraying of inner barrels of washing machines, in particular to electrostatic powder spraying equipment for an inner barrel of a washing machine. The equipment comprises a conveying belt roller, a left rolling shell and a right rolling shell are arranged on the two sides of the conveying belt roller correspondingly, and the inner barrel of the washing machine is arranged above the left rolling shell and the right rolling shell; rack feet are arranged below the two ends of the left rolling shell and the right rolling shell respectively, the inner barrel of the washing machine is arranged above the conveying belt roller, a lower spraying mechanism fixing rod is arranged on the side, away from the left rolling shell, of the left rolling shell, a lower coating pipe is fixed to the upper portion of the lower spraying mechanism fixing rod, an upper spraying mechanism fixing rod is fixed to the upper portion of the lower coating pipe, the upper spraying mechanism fixing rod is in an L shape, and an upper coating pipe is fixed to the side, close to the right rolling shell, of the upper spraying mechanism fixing rod in the vertical direction, so that surface paint spraying work can be completed in the transportation process of the inner barrel of the washing machine, and meanwhile, powder which cannot be adsorbed can be recycled, and resource waste is reduced.

The invention relates to dustproof operation and maintenance, in particular to a machine room buffer compartment dedusting device. The invention aims at solving the technical problem so as to providethe machine room buffer compartment dedusting device. The machine room buffer compartment dedusting device comprises a bottom installation compartment, a first isolation electronic gate, a second isolation electronic gate, a grounded electrostatic ball, a dustproof electrostatic cap wearing mechanism, a control displayer, a foot mud sweeping mechanism and a maintenance kit static electricity removing mechanism, wherein the dustproof electrostatic cap wearing mechanism is arranged on the left part of the top end in the bottom installation compartment; and the foot mud sweeping mechanism is arranged on the middle left part of the top end of the bottom installation compartment. The machine room buffer compartment dedusting device provided by the invention achieves the effects on cleaning mudcarried on shoe soles of maintenance personnel, preventing the occurrence of the phenomenon that the mud rubs or hair falls down since the maintenance personnel wears dust-proof shoes and a dust-proofcap by hand at the same time, and preventing electrostatic dust adsorption since a contact probe contacts a maintenance tool with an inner metal structure so as to take out static electricity carriedon the surface of the tool so as to prevent the pollution on a dustproof machine room.

The invention provides an ultra-smooth dual-band reflector and a preparation method thereof, wherein the ultra-smooth dual-band reflector includes a substrate and a reflective film plated on the substrate, and the reflective film is composed of alternately laminated platinum films and non-metallic films , the metal film includes a chromium film and a platinum film, the chromium film is plated on the substrate, the platinum film and the non-metal film are alternately laminated and plated on the chromium film, and the top layer and the bottom layer in the laminated structure formed by the platinum film and the non-metal film are both It is a chromium film, the thickness of the chromium film is 1-3nm, the thickness of each platinum film is 5-30nm, the thickness of each non-metallic film is 1-100nm, and the total thickness of the reflective film is 100-300nm. The invention can ensure low high-frequency roughness and intermediate-frequency roughness, and at the same time, has high reflectivity for imaging bands, and has strong resistance to space environment radiation, good space adaptability and stable performance.

The invention discloses a switchboard surface knife switch anti-static dust adsorption device which comprises a switchboard body. A knife switch is rotatably connected to the surface of the switchboard body, a deflection rod is rotatably connected to the side face of the knife switch, and a pull rod is rotatably connected to the bottom of the deflection rod, and an air extracting plate is fixedlyconnected to the side, away from the deflection rod, of the pull rod. An air box is slidably connected to the side face of the air extracting plate, a wind shielding wheel is engaged with the surfaceof the ratchet wheel, and an air extracting pipe is fixedly connected to the top of the air box. An air baffle is arranged in the air extracting pipe, an ejector rod is arranged at the side, close tothe knife switch, of the air baffle, a supporting rod is slidably connected to the side, away from the air baffle, of the ejector rod, and the top of the supporting rod is fixedly connected with a gate groove wheel. According to the switchboard surface knife switch anti-static dust adsorption device, through the cooperative use of the deflection rod and the air box, the effect of preventing dust in air from being adsorbed by static electricity on the surface of the switchblade when the knife switch is closed is achieved.