44results about How to "Small jump" patented technology

The embodiment of the invention provides a method and device for obtaining video data character fragments and electronic equipment, and the method comprises the steps: obtaining a to-be-processed video image; splitting the video image to be processed into a plurality of single-frame images which are continuous in time sequence; inputting the plurality of single-frame images into a preset first model for face recognition detection to obtain a target person image; inputting the obtained video images into a preset second model for scene classification to obtain classified scene images; matching the target person image with each classification scene image according to the timestamp to obtain a target person included in each classification scene image; and combining the classification scene images including the same target person to obtain a first video clip set. The human face recognition technology and the scene detection technology are combined together to generate the presentation segment of the target person, time is saved, and meanwhile scene type images are combined, so that the hops of actors in movie and television drama segments become small.

The invention relates to a mixed cascading type multilevel stored energy charging-discharging and voltage-equalizing circuit, which is characterized by comprising a multilevel converter, inductors, a voltage and current detection unit and a controller, wherein the multilevel converter comprises a three-phase circuit, each phase circuit comprises a plurality of tandem cascading units, and two connectors of each cascading unit are respectively connected with connectors of the adjacent cascading unit in series; three-phase output ends of the multilevel converter are connected with loads and three-phase input ends of the multilevel converter are respectively connected with an external power grid by the inductors; and power-grid input sides of each inductor are respectively connected with the voltage and current detection unit, the voltage and current detection unit is used for transmitting detected power-grid voltage and current signals to the controller, and the controller carries out information interaction with the multilevel converter. In the circuit, a stored energy structure with a mixed structure of storage batteries and a super capacitor is adopted, thus decreasing direct series-parallel connection of stored energy units, and being simpler in circuit structure. The circuit can be widely applied to stored energy of electric systems, electric automobiles and other systems.

The invention provides a staining method for aramid fiber. The staining method comprises the steps of preprocessing, preshaping, staining, reduction clearing, color fixing, soft processing, drying, shaping, calendaring and rolling. According to the staining method, DEET is added in to serve as a dye carrier, and the staining effect and efficiency are improved; meanwhile, substitute alkali is adopted to replace a conventional soda substance, and not only is the usage amount decreased, but also the color fixing effect is enhanced to enable the washability of the aramid fiber is further enhanced; the reduction clearing and color fixing processes are added, and therefore the staining fastness is good; green and environmental-friendly non-formaldehyde TCD-R is adopted in the color fixing process, the fiber is dried step by step after color fixing, and therefore the firmness of the fiber is greatly improved; the soft processing process is added, the color fastness and softness of fabric are improved, the roughness of the fabric is reduced, and therefore the fabric is fluffy and rich in elasticity.

The invention discloses a dyeing and finishing process of polyester and cotton blended fiber fabric. The process comprises pretreatment, presetting, modification treatment, dyeing, mordant removal, soaping, color fixing, after finishing, drying, sizing, calendaring and rolling. Snailase and alpha-amylase are adopted for pretreatment, modification treatment is adopted before dyeing, the polyester and cotton blended fabric is modified fundamentally, and the dye-uptake of the fabric is increased; in the dyeing procedure, fewer alkaline substances and inorganic salt are used, a dye leveler, substitution alkali, a migration inhibitor and a diffusant are added, the dye leveling performance is improved, natural dye is used, environmental pollution is avoided, and the environment-friendly requirement is met; self-cleaning treatment is added during aftertreatment, and the self-cleaning capacity, the crease-resistant performance, the wash durability and color fastness are improved; silk fibroin and sericin are adopted for afterfinish, and the anti-pilling performance and the antistatic performance of the fabric are provided; the whole process is environment-friendly and pollution-free.

The invention discloses a dyeing and finishing process for modal fabric. The process comprises the procedures of pretreatment, pre-setting, modification treatment, dyeing, soaping, fixation, after-finishing, drying, sizing, calendering and rolling. According to the invention, pretreatment is carried out by adopting ultrasonic wave, and a step of modification treatment is added; in the dyeing procedure, a base substituent SA is used, use of a large quantity of alkaline substances and inorganic salt is avoided, nature dye is adopted, and colophony powder is added as a fixing agent, so that the color fixing effect is enhanced, environmental pollution is avoided, and the requirement of green environmental protection is met; furthermore, montmorillonoid is adopted to carry out modification treatment and flame retardant treatment on the fabric, so that the flame retardancy of the fabric is high. According to the invention, a yellowing-resisting reagent is used in the procedures of pre-setting, sizing and after-finishing, so that the final fabric cannot become yellow easily.

The invention discloses an efficient dyeing and finishing process for a chemical fiber fabric, which comprises the procedures of modification treatment, one-bath scouring dyeing, soaping, fixation, after finishing, drying, sizing, calendering and rolling. According to the invention, pretreatment is carried out by adopting ultrasonic wave; before the procedure of dyeing, the fabric is subjected to low-temperature plasma treatment, and then 2, 3-glycidyl trimethyl ammonium chloride is adopted for carrying out modification treatment on the fiber fabric, so that the degree of dyeing of the fabric is increased, and the difficulty of subsequent dyeing step is lowered; since one-bath scouring dyeing is adopted, the efficiency is increased, and the cost is lowered; in the dyeing procedure, use of a large quantity of alkaline substances and inorganic salt is avoided, nature dye is adopted, and colophony powder is added as a fixing agent, so that the color fixing effect is enhanced, environmental pollution is avoided, and the requirement of green environmental protection is met; furthermore, montmorillonoid is adopted to carry out flame retardant treatment on the fabric, so that the flame retardancy of the fabric is high. According to the invention, a yellowing-resisting reagent is used in the procedure of sizing, so that the final fabric cannot become yellow easily.

The invention provides a direct dyeing process for a chemical fiber. The direct dyeing process for the chemical fiber comprises the steps of pretreatment, pre-shaping, modification treatment, dyeing, soaping, color fixing, after-treatment, drying, sizing, calendaring and rolling. According to the direct dyeing process for the chemical fiber, the modification treatment is added, so that performances of a chemical fabric are subjected to the modification treatment basically, the dyeing degree of the fabric is increased, and the difficulty of a subsequent dyeing step is reduced; during dyeing, the mass utilization of inorganic salt is avoided; furthermore, substitute alkali is used for replacing a conventional sodium carbonate substance, so that the consumption is reduced, a color fixation effect is also improved, and the washing fastness of the chemical fiber is further improved; soaping and color fixing processes are added, so that the dyeing fastness is good; environment-protection formaldehyde-free TCD-R is utilized in the color fixing process, and color-fixed fibers are gradually dried, so that the firmness of the fibers is greatly improved; the post-treatment process is added, so that the color fastness and the flexibility of the fabric are improved, the roughness of the fabric is reduced, and the fabric is fluffy and has high resilience.

The invention provides a chemical fiber dyeing technology with the ultraviolet protection function. The chemical fiber dyeing technology comprises pretreatment, pre-shaping, dyeing, washing, soaping, color fixing, softening treatment, drying, shaping and rolling. The natural dyestuff of sophora flower bud is adopted, aluminum potassium sulfate dodecahydrate is used as a mordant, the dyeing effect is better, and the washability is greatly enhanced; meanwhile, due to the performance of the sophora flower bud, dyed chemical fiber has the good ultraviolet protection performance and the antibacterial and oxidation resistance; the washing technology and the color fixing technology are added, the dyeing firmness is good, green and environment-friendly and aldehyde-free TCD-R is adopted in the color fixing technology, and the chemical fiber obtained after color fixing is dried step by step, so that the firmness of the chemical fiber is greatly improved; the softening treatment technology is added, the fabric color firmness and flexibility are improved, the fabric roughness is lightened, and the fabric is fluffy and full of elasticity.

The invention provides a dyeing process of a chinlon-containing blended fiber. The dyeing process comprises the following steps of preforming, pretreatment, drying, dyeing, drying, finished product forming and winding. According to the dyeing process, the preforming is carried out before the pretreatment, so that the phenomenon that crumples appear on the chinlon-containing blended fiber; a high-temperature leveling agent is added in the dyeing procedure, so that the problem that level dyeing effect and penetration dyeing effect are influenced and even color dots and color patches occur caused by the gathering of dyes because the heat stability resistance of fuel is lowered due to temperature increase is prevented, and good dyeing effect is achieved; the final dye-uptake rate of the chinlon-containing blended fiber can achieve 75%, the soaping color fastness of the dyed fiber achieves 5 level, and good water shrinkage and washing fastness and low strength loss of the dyed fiber are achieved.