32results about How to "Achieve a smooth effect" patented technology

The invention provides a code rate smoothing method of video live transmission through wireless network. The method comprises the steps that the periodic statistics of transmission delay of video frames is conducted, when the transmission delay gets smaller, playing buffer is turned down through playing speeding up, when the transmission delay gets bigger, the playing buffer is turned up through playing slowing down, and the adjusting step length of the playing speeding up and the adjusting step of the playing slowing down are codetermined by changing of the transmission delay, the playing buffer depth and timestamp information. By means of the code rate smoothing method of video live transmission through wireless network, the statistics of the transmission delay of the video frames can be conducted, the wireless network state is perceived according to time delay information, the minimum video time delay is further found out according to the actual network condition to achieve the smooth effect, and balance between real-time performance and fluency performance of video streaming is achieved.

The invention relates to a processing technology of floors. An automatic spraying device for a floor side comprises a containing slot, wherein the containing slot can be used for containing the floor side, the containing slot is provided with a spray head and a paint recovering opening, the spray head is connected with a paint transmission pipeline, and the paint recovering opening is connected with a paint recovering pipeline. Automatic spraying production equipment for the floor side comprises a floor feeding device, an automatic spraying device, a drying device and a polishing device, wherein the automatic spraying device comprises the containing slot which can be used for containing the floor side, the containing slot is provided with the spray head and the paint recovering opening, the spray head is connected with the paint transmission pipeline, and the paint recovering opening is connected with the paint recovering pipeline. The automatic spraying device for the floor side is used for spraying, the automation degree is high, and both sides of the floor have uniform spray amount and uniform color, thereby solving the problem of a manually operated original method, lowering the labor intensity of workers and realizing continuous operation; and the paint recovering opening is arranged, thereby improving the utilization ratio of paint and greatly lowering the production cost.

The invention provides a film lithium niobate optical waveguide chip polishing device and a polishing method thereof. A magnetic stirring table is used for driving a magnetic rotor to rotate in a polishing solution, then the polishing solution is stirred to generate flowing contact with the surface of a chip, polishing particles in the polishing solution generate half contact or sliding contact with the surface of the chip subjected to dry etching, slight particle bombardment is associated, meanwhile, alkali ions in a polishing solvent and the etched surface generate a chemical etching reaction, chemical etching and particle bombardment in the direction parallel to the etched surface are achieved through instant stirring of the polishing solution, then etching products deposited on the dryetched surface and spikes and protrusions generated by dry etching are removed, and the effect that the etched surface and the waveguide side wall are smooth is achieved. Compared with traditional contact type mechanical grinding and polishing and chemical-mechanical grinding methods, the device and the method have the advantages that the structure is simple, operation is simple and convenient, cost is low, and surface damage is small.

The invention discloses a riser forming machine which comprises a slurry tank, a die, a scraping device and a vacuum absorbing device. Two stirring devices opposite in stirring direction are arranged in the slurry tank. The die is arranged on the upper side of the slurry tank through a rack elevating shaft and slides along the rack elevating shaft vertically. The die comprises an inner die body and an outer die body. Four hammers are arranged on the periphery of the inner die body. The die is provided with an exhausting hole. The scraping device is arranged between the slurry tank and the die and comprises a brush oil cylinder, a stainless steel roller and a brush. The vacuum absorbing device comprises a vacuum box and a vacuum settling tank. The vacuum settling tank is provided with a gas inlet hole and a sewage draining opening. The gas inlet hole is connected with the exhausting hole of the die through a hose. The riser forming machine enables whole mixed materials to be turned over upwards, so that the effects of dead-angle-free material storage and uniform mixing are achieved. By means of automatic die releasing, the defects that due to the fact that a die is hammered manually, a riser can not be released from the die easily, and manpower is wasted are overcome, the inner wall and the outer surface of the produced riser are smooth, and the quality and the working efficiency of the riser are improved.

The invention relates to a PVC sheet and a preparation process thereof. The product is obtained by stirring and mixing PVC resin, a slipping agent, an enhancer, a stabilizer, a processing aid, a lubricating agent and a compatilizer at certain temperature to obtain a mixture, extruding the mixture through an extruder, and rolling the extruded mixture by a roller shaft at certain temperature. According to the PVC sheet and the preparation process thereof, a proper amount of silicon dioxide is added into PVC, and methyl acryloyl oxygen propyl trimethoxy silane and tetraethoxysilane are added simultaneously for cohydrolysis; a polar group compatible with the PVC is introduced into the silicon dioxide surface, so that the transparency of the silicon dioxide is improved, and the transparency of the prepared product is guaranteed; furthermore, due to the cooperation of the components, extremely tiny pores are formed in the surface of the PVC sheet, so that the shearing force of the PVC in a rolling process of the extruder is enhanced, and the microscopic roughness of the surface of a thin film is increased; therefore, a little of air can be accommodated between the thin films during winding to prevent the thin films from being adhered, and the smooth effect can be achieved.

The invention discloses a highlight gold stamping foil in the technical field of gold stamping foils. The highlight gold stamping foil comprises a hot melt adhesive layer, an aluminized coating, a protective layer, a release layer and a base layer, wherein the base layer is a biaxially oriented polyester film; the release layer is formed by coating release paint; the release layer is formed by mixing solvent wax and acrylic resin; the protective layer is formed by coating polyurethane resin paint; and the hot melt adhesive layer is made of copolymer resin. According to the highlight gold stamping foil, the release layer is made of a mixture of the solvent wax and the acrylic resin, so that the stripping performance is good, the release surface is smooth, and the surface gloss of a printedor aluminized coating after heat transfer printing is not affected; the protective layer is made of waterborne polyurethane resin, so that the metal luster is not blocked while the aluminized coatingis protected, and the highlight characteristic is provided; and the hot melt adhesive layer adopts a copolymer resin hot melt adhesive to improve the effect of rotary viscosity and improve the interlayer adhesive force between the aluminized coating and a stamped layer, so that the clearness of hot stamping handwriting is improved.

The invention relates to a preparation method of an N-type PERT dual-side battery. The preparation method comprises the following steps of S1, texturing; S2, front-surface boron doping and junction fabrication; S3, back-surface etching to remove an edge and a back-surface PN junction; S4, back-surface phosphor doping and junction fabrication; S5, back-surface PSG and front-surface BSG removal; S6,alkali/acid washing, in which a surface of a silicon wafer is slightly etched by a mixed liquid of an alkali and hydrogen peroxide, residual impurity is removed, an HF acid solution is used for pickling to neutralize the alkali liquid, and a silicon oxide layer on the surface is removed; S7, wet oxygen passivation; S8, aluminum oxide deposition on a front surface; S9, SiNx deposition on the frontsurface by PECVD; S10, SiNx deposition on a back surface by PEVCD; S11, silk-screen printing and sintering; and S12, laser isolation. By the preparation method, extremely high boron-rich layer dopedon a surface of a boron expansion surface can be removed, the sheet resistance uniformity is improved, meanwhile, the passivation effect of the N-type battery is improved, and the open voltage and theconversion efficiency of the battery are obviously improved.

The invention relates to the technical field of foam processing, and discloses a foam board cutting device capable of removing adhesion objects. The foam board cutting device comprises a bottom plate,the top of the bottom plate is fixedly connected with a horizontal hydraulic cylinder, the right side of the horizontal hydraulic cylinder is fixedly connected with a water outlet valve, the right side of a buffer spring is fixedly connected with a vertical hydraulic cylinder, a horizontal supporting plate is arranged at the bottom of the bottom plate, the top of the horizontal supporting plate is fixedly connected with a water tank, an electric heating knife belt is arranged at the top of the water tank, the interior of the electric heating knife belt is in rolling connection with a belt pulley, the interior of the belt pulley is fixedly connected with a power wheel through a connecting rod, and a supporting wheel is arranged in the power wheel. According to the foam board cutting devicecapable of removing the adhesion objects, through matched use of the horizontal hydraulic cylinder and the vertical hydraulic cylinder, by combining with matched use of the buffer spring and a resetspring, the effect of removing the adhesion objects on an electric heating cutting mechanism is achieved.

The invention relates to a concrete spraying device for tunnel construction and capable of reducing resilience. The concrete spraying device for tunnel construction and capable of reducing resiliencecomprises an arc-shaped pipe, a first anti-sputtering plate, a second anti-sputtering plate, a third anti-sputtering plate, a movable insert, an insertion groove, an insertion rod, fixing adsorption mechanisms, a first magnet, a first gasket, a second gasket, a second magnet, a movable groove, a movable plate, a movable rod, a movable through hole and buffer assemblies. According to the concrete spraying device for tunnel construction and capable of reducing resilience, the arc-shaped pipe and the strong electromagnet combination structure are additionally arranged, and a closed cavity is formed through the synergistic effect of the arc-shaped pipe and the strong electromagnets, so that during specific construction, a relatively closed environment is created for sprayed concrete mixture, the sprayed rebound material is automatically collected in the closed environment, and the concrete mixture is sprayed and formed in the closed environment. Therefore, the resilience rate of the backfilled sprayed concrete can be effectively reduced.

The invention discloses a composite self-adhesion dimming film. The composite self-adhesion dimming film comprises a first PET base material and a smooth coating, wherein the first PET base material is coated with the smooth coating. Compared with the prior art, the PET base material is coated with the smooth coating; pencil hardness tests show that the PET base material cannot be scratched in daily cleaning; and the PET base material has the effects of oil stain resistance, fingerprint resistance and the like.

The invention discloses a tube end groove polishing all-in-one machine. The tube end groove polishing all-in-one machine comprises a fixed disc, a rotary shaft, a shaft sleeve, a circular sleeve, a polishing mechanism and a rotary handle, wherein the rotary shaft sleeves the outer part of the shaft; one end of the rotary shaft is connected to the fixed disc; the other end of the rotary shaft is fixed to the rotary handle; the circular sleeve sleeves the outer part of the shaft sleeve; the polishing mechanism is fixed to the circular disc; the polishing mechanism comprises a polishing motor, apolishing wheel and a bracket; the polishing motor is fixed to the bracket; and the output end of the polishing motor is fixed to the polishing wheel. The tube end groove polishing all-in-one machinehas the beneficial effects that: the fixed disc, the rotary shaft, the shaft sleeve, the circular sleeve, the polishing mechanism and the rotary handle are arranged, the fixed disc is fixed to the inner wall of a tube, and the polishing mechanism rotates along the shaft sleeve through the circular sleeve, so that peripheral-form polishing can be performed on the end opening of the tube, and therefore, the smooth effect is achieved; and a slide block of the fixed disc can regulate jacking height through the rotary handle and the rotary shaft, so that regulating and fixing can be achieved according to inner diameters of different tubes.

The invention discloses a cleaning treatment method of an N-type crystalline silicon substrate of a solar cell. The method comprises the following steps of washing a textured N-type crystalline silicon substrate with deionized water, then impregnating the N-type crystalline silicon substrate in a mixed solution of concentrated sulfuric acid and hydrogen peroxide, and then washing the substrate with deionized water after completion; then soaking the substrate in a mixed solution containing 2% of hydrogen chloride and 3% of hydrofluoric acid for 2-3 minutes, and then washing the substrate with deionized water until the substrate is clean; then impregnating the substrate in a mixed solution of hydrogen chloride, hydrogen peroxide and water in a ratio of 1:1:6 to be washed for 10-15 minutes, then washing the substrate with deionized water, and then drying the substrate surface for later use; then etching the dried substrate, and then washing the substrate with deionized water, wherein the temperature of the mixed solution of hydrogen chloride, hydrogen peroxide and water is 60-80 DEG C. By adopting the method, the cleanliness of the substrate surface can be improved and the substrate surface is flat and smooth, thus improving the open-circuit voltage, short-circuit current and filling factors of the prepared solar cell and improving the photoelectric conversion property of the cell.

The invention provides a glue injection device of a battery, and belongs to the technical field of battery production. The glue injection device of the battery comprises a mainboard, a glue injection assembly, a rotation assembly and a transmission assembly, wherein a transmission passage is arranged on the mainboard and is used for transmitting battery steel shells arranged in a line, the glue injection assembly is used for injecting glue into the battery steel shells, the rotation assembly comprises rotation bearings, the rotation bearings are arranged at intervals with the battery steel shells in the transmission passage and are arranged in a line, the whole line of rotation bearings synchronously move and can be near to or far away from the transmission passage, each rotation bearing is clamped into a gap between two corresponding battery steel shells when the whole line of rotation bearings synchronously move, at the moment, an outer wall of each rotation bearing is rotatably connected with outer walls of the two corresponding battery steel shells, the transmission assembly and the rotation assembly are arranged at two sides of the transmission passage, the transmission assembly comprises a transmission belt, the transmission belt is movably arranged and can be near to or far away from the transmission passage, and the transmission belt can be simultaneously in contact with the whole line of battery steel shells and drives the battery steel shells to rotate when getting close to the transmission passage. By the glue injection device of the battery, the glue can be uniformly coated at the bottom of isolation paper.