5results about How to "Precise cropping" patented technology

The application discloses a kind of for substation infrared thermal defect real-time detection light-weight network construction method and system, the method includes: the infrared thermal image data set of substation equipment obtained is preprocessed;The data set after pre-processing is divided into training set and verification set;Teacher network is trained using training set;Combining the teacher network trained, based on the knowledge distillation technology of integral gradient enhancement, first light-weight network is trained using training set;The total loss function of first light-weight network includes feature simulation loss;Based on verification set, the one-time model pruning guided by context-aware knowledge distillation is carried out to first light-weight network after training, and second light-weight network is obtained;Based on the sensitivity of error of convolution layer in second light-weight network, different quantization bit width is allocated, and third light-weight network is obtained;Third light-weight network is deployed in substation edge computing node.The application can realize real-time, low-power consumption, high-precision monitoring to substation equipment.

The utility model relates to dumbbell piece packaging technical field, and disclose a kind of dumbbell piece packaging equipment, including workbench, the both sides of the top of workbench are fixedly installed with support rod, center positioning column is fixedly installed in rotating tray, the top of workbench is fixedly installed with backing plate, the top of backing plate is fixedly installed with fixed plate, telescopic cylinder two is fixedly installed in the fixed plate, the front end of telescopic cylinder two is fixedly installed with fixed seat, slide rail is set in the fixed seat, slide block is slidably installed on the slide rail, the outside of threaded rod is installed with push wheel. This dumbbell piece packaging equipment, dumbbell piece packaging equipment can realize automatic operation, equipment can accurately cut film to appropriate size, ensure that dumbbell piece is completely wrapped, and the sealing of film can be closely fitted, so that the packaging effect of each product can keep basically same, which helps to improve the overall image of product.

The invention discloses cation modified nano graphene oxide and a preparation method thereof, the transverse size of the cation modified nano graphene oxide is 10-100 nm, the surface of the cation modified nano graphene oxide is non-covalently bound with organic quaternary ammonium salt cations through electrostatic interaction, and the organic quaternary ammonium salt cations are provided by a cationic surfactant. According to the invention, electrostatic interaction is combined with a quaternary ammonium salt cationic surfactant, and a hydrophobic long alkyl chain of the quaternary ammonium salt cationic surfactant is exposed outwards, so that the product can be stably dispersed in various organic solvents such as methanol, ethanol, acetone, ethyl acetate, N-methyl pyrrolidone (NMP), N, N-dimethylformamide (DMF), dichloromethane and the like; the limitation that traditional nano graphene oxide is only limited to a water phase is avoided, and the compatibility and application potential in the fields of polymer composite materials, oil paint, high-performance resin and the like are improved.

The utility model discloses a cotton yarn cutting machine for cotton yarn production, which comprises a base, a guide roller, a yarn cutting assembly and a yarn take-up assembly are sequentially arranged on the base along the cotton yarn transmission direction, the yarn cutting assembly comprises a fixed cutter, a movable cutter and an electric telescopic rod for driving the movable cutter, the fixed cutter is fixedly mounted on the base, and the movable cutter is fixedly mounted on the base. The movable cutter is connected with the output end of the electric telescopic rod through a movable base, and the fixed cutter and the movable cutter form a shearing matching structure. The cotton yarn cutting machine comprises a base, a clamping assembly is further arranged on the base, the clamping assembly comprises a clamping piece for clamping a cotton yarn end and a driving piece for driving the clamping piece to move in the direction parallel to the plane of the base, and according to the cotton yarn cutting machine for cotton yarn production, the cutting piece and the clamping piece are electrically driven to move, so that automatic operation of cotton yarn cutting and yarn end conveying is achieved; the production efficiency is greatly improved, the operation of manually pulling and rebounding the cotton yarn is avoided, potential safety hazards are eliminated, and the safety of operators is guaranteed.

The utility model provides a curtain production cutting device convenient to collect, include: cutting machine, first mounting cover is fixedly installed on cutting machine, second mounting cover is provided with on first mounting cover top, first mounting cover is connected with second mounting cover through connecting mechanism, first mounting cover and second mounting cover all are fixedly installed with absorption mechanism, absorption mechanism includes air duct, two air ducts are respectively connected with first mounting cover, second mounting cover rotation, and align curtain, first mounting cover, second mounting cover in the device are clamped curtain through connecting mechanism, and the surface sundry thread is scraped and cleaned when curtain moves, simultaneously, after pump body starts, water source drives impeller rotation, drives first pivot and fan blade rotation, makes first mounting cover, second mounting cover inside suction, cooperate with the air duct of inclination and set and blow air current to the curtain, preliminary cleaning impurity, collect again through suction, avoid impurity influence cutting accuracy and subsequent processing.