20results about How to "Guaranteed transmittance" patented technology

The invention belongs to the technical field of fluoride crystal annealing, and particularly relates to an annealing crucible and an annealing method for fluoride crystals. The inner crucible is arranged inside the outer crucible, a plurality of through holes are formed in the inner crucible, the inner crucible is used for placing the fluoride crystal and a protective material, and the protective material wraps the fluoride crystal to prevent the fluoride crystal from being in direct contact with the inner crucible and air; a gap layer is arranged between the inner crucible and the outer crucible and is used for filling broken crystal materials, and the annealing crucible can selectively enable at least part of the protective materials to overflow towards the gap layer along the through holes. According to the double-layer crucible structure formed by combining the outer crucible and the inner crucible with the through hole, a buffer space can be provided for expansion of fluoride crystals in the annealing process, the axial and radial temperature gradients of the crystals are effectively reduced, a more uniform annealing environment is generated, and the internal stress of the crystals is slowly released.

The invention relates to the technical field of optical glass manufacturing, in particular to high-refractive-index glass as well as a preparation method and application thereof. The transition metal is less than 4 ppm by mass, and the transition metal comprises one or more of Fe, Cr, Ni, Cu, Mn, Co and V; the oxide is prepared from the following components in mole percent based on the oxide: 17 mol% to 49 mol% of Bi2O3, 2.7 mol% to 15.7 mol% of Nb2O5, 8.5 mol% to 39 mol% of TeO2, 2 mol% to 19.5 mol% of P2O5, 11.3 mol% to 41 mol% of B2O3, 0 mol% to 1 mol% of TiO2, 0 mol% to 1 mol% of Ta2O5, 0 mol% to 1 mol% of WO3 and 0.5 mol% to 16.5 mol% of ZnO, and Bi2O3 / (TeO2 + TiO2 + WO3 + Nb2O5 + Bi2O3) * 100 is more than or equal to 30 and less than or equal to 75. Tests show that when the thickness of the glass is 10 mm, the refractive index of the glass is 2.09-2.35, and the transmittance of the glass with the wavelength lambda 70 smaller than 450 nm is 82.4%-96.8%. The problems that in the prior art, high-refractive-index glass is low in refractive index and light transmittance and low in performance and cost ratio, and the increasingly-developed visual experience and development requirements of head-mounted displays cannot be met are solved.

The invention discloses special multifunctional glass with magnetic shielding and shock resistance. The special multifunctional glass sequentially comprises a polymethyl methacrylate layer, a short-wave liquid crystal silver ion liquid crystal film layer, a silicon dioxide high-barium optical glass layer, a silicon dioxide tungsten silver ion liquefaction layer, a nickel wire mesh layer and a polymethyl methacrylate layer from a critical plane, the polymethyl methacrylate layer close to the critical surface is doped with 1% of samarium ions; according to the preparation method, compression and hot melting glue clamping are adopted. 1% of samarium ions are doped in polymethyl methacrylate close to a critical plane, radiation corrosion and ionization discoloration can be controlled, the short-wave liquid crystal silver ion liquid crystal film belongs to cathode and anode diode plasma electric control, and the transparency impression degree is reduced as much as possible in the operation process, so that radiation is further reduced; the silicon dioxide high-barium optical glass is used for conventional light transmission, the silicon dioxide tungsten silver ion liquefaction layer is used for blocking 75% of short-wave gamma rays, and the nickel wire mesh can be used for radiation protection measures in emergency situations and maintenance states.

The present application relates to a kind of automobile executor assembly equipment, for the loading of parts in succession, cover and welding operation of being carried out in executor shell;Including flow transfer table, is provided with parallel arrangement and transmission direction opposite automatic feeding line;Manual feeding line, the two ends of automatic feeding line and manual feeding line are connected by carrying line;Welding station, is provided with carousel transmission mechanism;Transfer manipulator, be between flow transfer table and welding station, for feeding to automatic feeding line, and the executor assembly of being assembled to manual feeding line is clamped and transported to welding station and is welded work;Welding station is provided with positioning device, positioning device includes the displacement scale group being arranged above welding station, and the jacking assembly being arranged below welding station, welding station is provided with the fixture plate capable of being driven to lift by jacking assembly, the fixture plate is provided with the positioning column corresponding with displacement scale group on;Fixture plate is lifted under the action of jacking assembly, makes displacement scale group and positioning column contact positioning.

The utility model discloses a waterproof type ceiling down lamp, including integrated shell and installation clamp, the outside of integrated shell evenly is provided with the fin of heat dissipation, and the opening of integrated shell is provided with the support ring, and the outer wall of support ring is provided with two water baffle rings from inside to outside, the outside of support ring is provided with the protective cover, and the center of protective cover is provided with the light -transmitting lens piece, the utility model discloses integrated shell design, compact structure has reduced the water leakage risk of joint place. The opening of integrated shell is provided with the support ring, and the outer wall of support ring is provided with two water baffle rings from inside to outside. The design of double water baffle rings can effectively block the invasion of external moisture, improve the waterproof level of the lamp. The inner wall of protective cover is provided with the encapsulation outer groove and encapsulation inner groove respectively at the position corresponding to two water baffle rings, and the groove all is provided with the sealing washer. This multiple sealing structure further enhances the waterproof effect.

The application discloses a method for improving the width of a polarized film, which comprises the following steps: after the production raw material PVA element of the polarized film is washed, the PVA element is pre-dried and shaped, and then is sent into an oven for drying; the pre-drying and shaping is performed by using two corresponding hot air pipes, the two hot air pipes are located on the upper surface and the lower surface of the PVA element respectively, the hot air pipes are not in contact with the PVA element, and the two hot air pipes respectively blow out hot air streams with a temperature of 80 DEG C to 120 DEG C towards the upper surface and the lower surface of the PVA element; the method overcomes the defects of the prior art, the width shrinkage rate of the PVA element before and after drying is less than 10%, and the polarization degree and the transmittance of the PVA element are ensured.

The present invention relates to the field of glass thermal insulation technology, and in particular to a preparation process of a self-breathing photovoltaic power generation thermal insulation glass coating and thermal insulation glass, comprising the following steps: S1, material preparation; S2, cleaning; S3, spraying; S4, heating and sintering; S5, annealing and cooling; S6, coating; the preparation process of the coating of the present invention adopts rare earth thermal insulation coating materials, nano materials and thermal insulation film materials to prepare the thermal insulation coating, and combines the thermal insulation coating with a glass substrate, and at the same time, since a photovoltaic power generation layer and a thermal insulation layer are arranged on the glass substrate, a multifunctional glass coating is formed; the coating can effectively insulate while performing photovoltaic power generation, improve the efficiency of photovoltaic power generation and meet the ventilation requirements; in addition, the thermal insulation coating has excellent thermal insulation performance and light transmittance, can effectively block heat conduction and maintain the transmittance of visible light.

The invention discloses lithium-aluminum-silicon cover plate glass and a strengthening method thereof, and the strengthening method comprises the following steps: carrying out primary ion exchange on the lithium-aluminum-silicon cover plate glass by adopting molten salt containing lithium nitrate, sodium nitrate and potassium nitrate, then carrying out heat preservation at 800-900 DEG C for 60-120s, then carrying out gradient cooling for three times to realize strengthening, and then carrying out secondary ion exchange to obtain the lithium-aluminum-silicon cover plate glass. And preparing to obtain the reinforced lithium aluminum silicon cover plate glass. Wherein three rounds of gradient cooling comprise a first round of cooling treatment: cooling to 650-750 DEG C at a rate of 18-25 DEG C / min; the temperature is reduced to 550-650 DEG C at the speed of 5-9 DEG C / min in the second round of cooling treatment; and a third round of cooling treatment: cooling to 30 DEG C at the rate of 15-25 DEG C / min. According to the invention, the compressive stress depth of the lithium-aluminum-silicon cover plate glass is improved, so that the impact strength is improved, and effective balance between optimal distribution of compressive stress and safety is realized.

The invention discloses a preparation technology of a PVA film in the technical field of polaroids. The preparation technology comprises the steps of washing, swelling, dyeing, stretching, color fixing and drying. Nanoparticles and a photochemical cross-linking agent are added in the swelling treatment step; in the dyeing treatment step, ultrasonic vibration of 40 kHz to 50 kHz is adopted in a potassium iodide dyeing solution, so that the dyeing uniformity is improved; in the stretching treatment step, dynamic multidirectional stretching is utilized, and the stretching temperature is combined to balance the mechanical property and the optical property of the film; in the color fixing process, an ultraviolet light chemical treatment step is combined, and meanwhile, nano coating deposition is carried out on the surface of the dried PVA film; by introducing a dynamic multidirectional stretching technology and an ultrasonic-assisted dyeing process, ordered arrangement of iodine molecules in the film is ensured, the polarization efficiency and polarization degree of the film are greatly improved, meanwhile, good optical uniformity and stability are kept, and the requirement of high-end display equipment for the precise polarization effect is met.

The utility model relates to a kind of automobile front windshield.It involves new energy automobile technical field.The application specifically includes the outer glass plate and inner glass plate of parallel interval arrangement, and the interlayer cavity formed between outer glass plate and inner glass plate;It also includes light-absorbing structure arranged in interlayer cavity, and photosensitive structure arranged in interlayer cavity, and light-absorbing structure is used to adhere outer glass plate with the inner glass plate, and the strong light of outside shooting is absorbed, and photosensitive structure is used to detect the light intensity of outside shooting.The interlayer cavity formed between outer glass plate and inner glass plate of the utility model is equipped with light-absorbing structure and photosensitive structure, the strong light of outside shooting is absorbed by light-absorbing structure, and the light intensity of outside shooting is detected by photosensitive structure, the blocking effect of the automobile front windshield to strong light is improved, the interference of strong light to driver is reduced, and the law enforcement of road safety supervision department is assisted, so as to ensure driving safety.

This application relates to the field of photovoltaic encapsulation film technology, specifically disclosing a method for melt blending modification of POE film. The method includes the following steps: S1, premixing POE resin with a silane coupling agent, unsaturated monomers, functional ligands, and an initiator; S2, melt blending the premix to obtain a grafted activated melt; S3, injecting a silicon-based compound and a titanium-based compound into the grafted activated melt to obtain a nano-reinforced melt; S4, adding graphene and carbon nanotubes to the nano-reinforced melt and kneading to obtain a conductive reinforced melt; S5, injecting a rare earth chloride solution into the conductive reinforced melt to obtain a functionalized melt; S6, adding a solid acid catalyst to the functionalized melt and mixing and granulating. This production method can be used to prepare photovoltaic module encapsulation films and high-end electronic device encapsulation materials, and it has the advantages of improving the interfacial adhesion stability and long-term aging resistance of the film under humid and hot environments.

The invention belongs to the technical field of antennas, and relates to an ultra-wideband transmission array antenna, which comprises a plurality of transmission units arranged in an array to form a transmission array; the transmission unit comprises an incident layer, a first dielectric layer, a transmission layer, a second dielectric layer, an emergent layer and a third dielectric layer which are sequentially stacked from top to bottom; the incident layer is obtained by rotating the emergent layer by 90 degrees around the vertical direction; the transmission layer comprises a first part, two second parts and two third parts; the first component is of a linear circular ring structure and is arranged in the center of the second dielectric layer; each second component is of a linear arc structure, and the two second components are symmetrically arranged on the two sides of the first component and form a non-closed circular structure; the third component is of a linear structure, and the two corresponding ends of the third component are connected with the first component and the second component correspondingly. And the arc lengths of the second parts in different transmission units are different, so that the ultra wide band is realized. According to the invention, high light transmittance and high conductivity can be realized at the same time.

The embodiment of the utility model provides a display panel, a preparation method thereof and a display device. The display panel comprises a display area and a first frame area and further comprises a preset camera shooting area located in the first frame area, the display panel comprises a first substrate, a second substrate and frame sealing glue, the first substrate and the second substrate are oppositely arranged, the frame sealing glue is located between the first substrate and the second substrate, the frame sealing glue surrounds the display area, and the first frame area is located on the outer side of the frame sealing glue; the first substrate is at least provided with a first opening penetrating through the first substrate in the preset camera shooting area, and the first opening is located in the first frame area; the second substrate comprises a second substrate and a second film layer structure located on the side, facing the first substrate, of the second substrate, the orthographic projection of the preset camera shooting area on the second substrate is located in the second substrate, and the second film layer structure is provided with a first via hole corresponding to the preset camera shooting area so that camera shooting light can pass through the first via hole. The display panel is beneficial to debugging of the camera, the cost is reduced, and the quality of shot pictures is improved.

The utility model relates to the technical field of laser radars, and provides a laser radar test system, which comprises a test box body used for accommodating a to-be-tested laser radar, and the body wall of the test box body is provided with a window for communicating the interior and the exterior of the test box body; the single-layer light-transmitting panel is arranged at the position of the window and is used for sealing the window; the heating device is arranged in the peripheral area of the single-layer light-transmitting panel so as to heat the single-layer light-transmitting panel, the laser radar test system can improve the stability and the reliability of a test environment, and when the laser radar test system is used for carrying out related tests of the laser radar, the stability and the reliability of the test environment can be improved. And the test result is more accurate, real and effective.

The image sensor chip packaging structure comprises a tube shell, a core cavity is formed in an opening in the upper end of the tube shell, a chip is arranged at the groove bottom of the core cavity, the chip is an image sensor, the chip is connected to the tube shell through a plurality of bonding wires, a plurality of pins are arranged at the lower end of the tube shell, and a glass cover plate is arranged at the core cavity of the tube shell. And the glass cover plate is adhered to the core cavity of the tube shell through the sealing rubber ring. And the chip is adhered to the bottom of the core cavity through insulating glue. The packaging method is used for packaging the packaging structure of the image sensor chip for space navigation. According to the packaging structure, the high-temperature co-fired ceramic substrate formed by sintering and pressing multiple layers of ceramic is adopted, so that a multi-layer circuit structure can be conveniently formed for a high-integration chip; the flatness, parallelism and roughness of the surface of the packaging substrate can be better controlled, and the chip mounting precision can meet the application requirement. The high-temperature co-fired ceramic is stable in structure and high in heat conductivity, heat dissipation of the chip is facilitated, and the requirement for high reliability of aerospace application can be met.

The present disclosure relates to the technical field of display, and in particular to a display panel, which comprises a first substrate, a light shielding structure, an electrophoretic structure and a plurality of electrode pairs. The light shielding structure is formed on the first substrate and surrounds to form a plurality of array-arranged containing cavities. A part of the electrophoretic structure is located in each containing cavity, and another part is formed on the side of the light shielding structure away from the first substrate. The electrophoretic structure comprises light-reflecting particles and light-absorbing particles with opposite charges. The electrode pairs correspond to the containing cavities one by one and are configured to apply a plurality of electric fields to the electrophoretic structure. Under a first electric field, the light-reflecting particles move to the side of the light-absorbing particles away from the first substrate, and the light-reflecting particles can shield the side of the light shielding structure away from the first substrate; under a second electric field, the light-reflecting particles move into the containing cavities and are located on the side of the light-absorbing particles away from the first substrate. The display panel in the present disclosure can realize dynamic display of wide and narrow viewing angle switching while improving the transmittance, resolution and display brightness.

The invention discloses a desalted water preparation technological process and method, and relates to the technical field of desalted water preparation.Compared with a traditional desalted water preparation method, the desalted water preparation technological process and method have the advantages that sterilization and algicide adding before ultrafiltration and before a reverse osmosis inlet is omitted; the high-density sedimentation tank is periodically cleaned by using a sterilization algicide, and microorganisms, organic matters and the like in source water are inhibited or eliminated in the high-density sedimentation tank in advance, so that the microorganisms, the organic matters and the like in the source water can be effectively prevented from entering a reverse osmosis device and a reverse osmosis membrane to cause biological pollution blockage on the reverse osmosis membrane; the stability and the reliability of preparation of the reverse osmosis membrane demineralized water are improved. The reverse osmosis membrane is effectively prevented from being damaged due to irreversible oxidation of the reverse osmosis membrane caused by sodium hypochlorite entering the reverse osmosis membrane, the service life of the reverse osmosis membrane is prolonged, the replacement and maintenance cost is reduced, the replacement and maintenance time of the reverse osmosis membrane is shortened, and the working continuity and the desalted water preparation efficiency are improved.

The LED lamp long in service life and convenient to replace comprises a ceiling, a fixing frame is fixedly mounted on the lower surface of the ceiling, a lamp panel is fixedly mounted in the fixing frame, a lampshade is mounted on the lower surface of the fixing frame, and a heat dissipation mechanism is arranged on the inner wall of the fixing frame; a connecting mechanism is arranged between the fixing frame and the lampshade. By using the heat dissipation mechanism, the grooves are uniformly formed in the inner wall of the fixing frame, the arc-shaped heat conduction plate is arranged, the heat conduction plate can quickly conduct heat generated by the lamp panel to the heat dissipation fins on the arc surface of the heat conduction plate, the heat dissipation fins are arranged in the grooves, the heat dissipation area is greatly increased, heat dissipation is accelerated, heat accumulation in the lamp is avoided, and the service life of the lamp is prolonged. Accelerated aging of key components such as lamp beads due to long-time high-temperature environment is prevented, so that the luminous efficiency and stability of the lamp are guaranteed, and the overall service life of the LED lamp is remarkably prolonged.

The invention relates to the technical field of sewage detection, and provides a sewage suspended particle concentration detection device which comprises a detector body, the detector body comprises a detection window, an anti-fouling shell, a transparent protection plate and a cleaning roller, the anti-fouling shell is installed on the detector body, the detection window is located in the anti-fouling shell, and the transparent protection plate is located in the anti-fouling shell. A light-transmitting opening allowing light to penetrate through is formed in the position, corresponding to the detection window, of the anti-fouling shell, the transparent protection plate is movably arranged in the anti-fouling shell so as to replace a working area located at the light-transmitting opening, and the transparent protection plate and the light-transmitting opening are in sealed sliding fit. The cleaning rollers are rotatably arranged in the antifouling shell to wipe the side, away from the detector body, of the transparent protection plate, the number of the cleaning rollers is two, and the two cleaning rollers are located on the two sides of the light transmitting opening. By means of the technical scheme, the problems that in the prior art, a detection device is immersed into sewage, a detection window is prone to being polluted, and the detection accuracy and efficiency are reduced are solved.

The present invention discloses an automatic screening device for preparing an alumina carrier, and the present invention relates to the technical field of alumina carrier processing. The automatic screening device for preparing an alumina carrier comprises a workbench, the upper end surface of the workbench is fixedly connected to a bearing ring frame through a pillar, and the bearing ring frame is equipped with an incremental screening mechanism for grading and screening the alumina carrier according to different particle sizes and adjusting the screening range of the alumina carrier, and the vertical cross-section of the upper end of the sieve plate is conical. The present invention combines the inclined upper surface of the sieve plate with the inclined surface of the conical annular screen, and can use centrifugal force and gravity to make the alumina carrier particles automatically slide along the inclined surface to the periphery of the annular screen during the rotation of the sieve plate, thereby increasing the range of material spreading, and the conical inclined surface of the annular screen allows the material to be spontaneously distributed to the entire area of ​​the screen, avoiding concentrated accumulation in local areas.