32results about How to "Meet the needs of the use environment" patented technology

The invention provides an intelligent input method and system based on bone conduction vibration and machine learning; the intelligent input method comprises the following steps: S1, gathering vibration signals of a user knocking on a hand back; S2, filtering, denoising and end point segmenting the gathered vibration signals; S3, aligning the end point segmented vibration signals; S4, extracting signal features of the aligned vibration signals; S5, using the extracted features to form a training set and sending same to a nerve network classification model for training, thus obtaining a trainednerve network classification model. The method takes the hand back as a vibration keyboard via bone conduction vibrations, and combines with the machine learning nerve network classification model, thus fast inputting texts with a high recognition rate; the method and system are fast in a response speed, can improve the text input efficiency of a wearable device, thus improving the user experiences; the interactive mode is novel, interesting, easy and fast, and wide in applications.

The invention discloses a PVC cable material for a 5G photoelectric composite cable. The PVC cable material comprises the following components in parts by weight: 100 parts of a PVC resin, 10 to 30 parts of trioctyl trimellitate, 1 to 30 parts of a vinyl acetate/butyl acrylate/carbonyl copolymer material, 1 to 30 parts of calcium carbonate, 0.1 to 0.2 part of polyethylene wax, 0.1 to 0.2 part of stearic acid, 2 to 5 parts of a calcium-zinc compound stabilizer, 1 to 5 parts of gamma-chloropropylmethyldiethoxysilane, 0.1 to 1 part of high-density oxidized polyethylene wax, 0.1 to 2 parts of oleamide and 0.1 to 10 parts of hydrotalcite. The PVC cable material of the 5G photoelectric hybrid cable is low in dielectric constant, can effectively reduce attenuation of optical cable signals in thehybrid cable, and can meet the requirements of an optical cable use environment of -40 DEG C to 105 DEG C.

The invention discloses a preparation method of a sodium chlorite sustained-release agent. The method comprises the following steps of a, weighing sodium chlorite, a filler and a binder and uniformlymixing the materials above; b, adding water into the mixture obtained in step a, loading the mixture into pipes after uniform mixing, and performing tamping and curing to obtain the sodium chlorite sustained-release agent. According to the preparation method, sodium chlorite, the filler and the binder are prepared into the agent, the agent is loaded into the pipes of different specifications, andcorrespondingly chlorine dioxide can be slowly and controllably released in a time range of 10-180 days to meet the demands of diversified use environments. The sodium chlorite sustained-release agentprepared by means of the method is high in safety in the storage and transportation processes and convenient to use and has a wide application prospect.

The invention discloses carbon fiber composite material processing equipment. The carbon fiber composite material processing equipment comprises a bottom plate (101), a swing mechanism (300) and a threading mechanism (400), wherein a bracket (102) is mounted on the bottom plate; the swing mechanism (300) is mounted on the bracket (102) and is driven by a motor (201) to realize staggered movement of a first partition plate (318) and a second partition plate (321) so as to realize staggered change of positions of a plurality of pre-impregnated narrow bands; and the threading mechanism (400) is mounted on the bracket (102), the pre-impregnated narrow bands wound on a coil (414) are driven by the motor (201) to move left and right, and criss-cross weaving of the pre-impregnated narrow bands is achieved in combination with the swing mechanism (300).

The water-cooled resistor with high voltage resistance comprises a resistor tube, an insulating filler layer, an insulating sleeve and a metal tube, wherein the resistor tube comprises a ceramic tubeand a resistor wire wound on the outer surface of the ceramic tube; The resistance tube includes a porcelain tube and a resistance wire wound around the outer surface of the porcelain tube; the two ends of the metal tube are provided with wire outlet holes; two ends of the resistance wire pass through from the wire outlet holes at the correspoing ends; an insulating potting re is arranged betweenthat end of the porcelain tube and the end of the insulate sleeve,; The two ends of the porcelain tube are respectively coated with a sealant ring, and the inner wall of the metal tube abuts against the outer side of the sealant ring. The ring end cover is fixedly connected with the metal pipe, the ring end cover abuts against the inner side of the sealant ring, and the sealant ring, the metal pipe and the ceramic pipe are clamped tightly; The ring end cap is connected with a fluid connection, and the fluid connection is communicated with the inside of the porcelain pipe. As the outer side ofthe ceramic tube is successively provided with an insulating filler layer, an insulating sleeve and a metal tube, the resistance wire is sufficiently separated from the atmosphere, and the high voltage of the resistance wire will not be broken down, so as to meet the demand of the high voltage service environment.

The invention discloses a dynamic stress loading and synchronous strain measuring device for a neutron scattering experiment. The device comprises a dynamic stress loading assembly, a synchronous strain measurement assembly and a guide rod assembly, the dynamic stress loading assembly comprises a first dynamic stress loading motor and a second dynamic stress loading motor; the guide rod assembly comprises a plurality of parallel guide rods, the rear ends of the two motors are fixedly mounted on the two spring plates respectively, and the movable ends of the two motors are oppositely arranged and slidably mounted on the guide rods; the movable ends of the two motors are respectively provided with a clamp; the synchronous strain measurement assembly comprises a stress sensor and a strain gauge which are respectively installed on the two clamps. According to the device, the two stress loading motors which are oppositely arranged are adopted, bidirectional dynamic stress loading is achieved, the structure is simple, use is convenient, the device can be universally used on neutron scattering spectrometers of different neutron sources, and the requirement for the use environment in an in-situ neutron scattering experiment is met; prestress is applied through the spring plate, and deformation in the stress loading direction is avoided.

The invention relates to an air pre-heater distance measuring device, and belongs to the technical field of air pre-heater air leakage control systems. The problems that most existing distance measuring devices for the air leakage control system of the air pre-heater are complex in structure and high in manufacturing cost are solved. The air pre-heater comprises an air pre-heater rotor, an air pre-heater fan-shaped plate and air pre-heater T-shaped steel, the air pre-heater T-shaped steel is arranged below the air pre-heater fan-shaped plate and fixed to the periphery of the air pre-heater rotor, the distance measuring device comprises a front end cover, a sensor, a mounting pipe and an acting block, the acting block is connected to the inner side of the air pre-heater T-shaped steel, the installation pipe is connected with the air pre-heater sector plate, the front end cover is arranged on the lower portion of the installation pipe, the sensor is arranged in the installation pipe, and a probe of the sensor penetrates through the front end cover and corresponds to the action block. The device is simple to install, convenient to maintain and low in cost, and effectively solves the problems of inaccurate data acquisition of the sensor and low air leakage input efficiency caused by a high-temperature dusty environment of the air pre-heater.

The invention discloses a movable air purifier of an intelligent building. The movable air purifier comprises a matrix, a first servo motor, a rotating shaft, a box body, a groove, a middle filter screen plate, a third servo motor and transmission meshes. Universal wheels are arranged at the lower end of the matrix, the matrix and a rotary door form a rotating mechanism, a control panel is arranged on the outer side of the rotary door, the first servo motor is arranged in the matrix, and a first gear is connected to the upper end of the first servo motor. The movable air purifier of the intelligent building is provide with the matrix, the first servo motor, the box body, the third servo motor and a sliding plate, so that the position of a suction opening is adjusted conveniently. The working principle of the movable air purifier is as follows: the control panel on the outer side of the rotary door on the front surface of the matrix is operated to start the first servo motor in the matrix, the first servo motor drives the first gear to rotate, the first gear drives a second gear, the rotating shaft, the box body and the sliding plate to rotate, and then the control panel is operatedthen to start a third servo motor in the box body.

Relating to the technical field of coating processing and production, the invention discloses a microcapsule coating material for thread-off proof screws. The coating material is composed of the following raw materials by weight: 40-50 parts of epoxy resin, 10-16 parts of a curing agent, 15-21 parts of microcapsule filler, 20-30 parts of pigment, 12-18 parts of polybutylene terephthalate and 22-28parts of a graphene/Ti-based composite material. The preparation method includes: putting epoxy resin, polybutylene terephthalate and the graphene/Ti-based composite material into a high-temperaturestirrer, and performing heating at 200DEG C for 20min to prepare a solution; adding the microcapsule filler into the prepared solution, and placing the solution in a 8MPa high-pressure container for 2h; and then taking out the solution, adding the pigment into the solution, performing stirring for 10min, adding the curing agent, and conducting stirring to a sticky state, and performing standing for 8h to form the microcapsule coating material for thread-off proof screws. The microcapsule coating material provided by the invention has good adhesive force up to grade 1, and endows screws with better thread-off proof performance.

The invention discloses an integrated packaging electrolytic capacitor module of a 48V BSG inverter and an inverter assembly. The upper side surface of the heat dissipation shell is provided with a capacitor mounting groove and a capacitor positioning column I protruding out of the capacitor mounting groove; a through hole is formed in the center of the capacitor positioning column I; the capacitor bracket is stacked on the heat dissipation shell; a capacitor mounting hole and a capacitor positioning hole I corresponding to the capacitor positioning column I are formed in the capacitor bracket; the electrolytic capacitor is installed in the capacitor installation groove and the capacitor installation hole. A capacitor positive electrode pin and a capacitor negative electrode pin at the upper end of the electrolytic capacitor are correspondingly connected with the positive busbar and the negative busbar. Through two times of glue pouring, rigid connection between the capacitor support and the busbar and rigid connection between the heat dissipation shell and the heat dissipation plate, it can be effectively guaranteed that the capacitor does not shake in the capacitor module, vibration failure of the capacitor pins is avoided, and the capacitor module is firm in fixation, compact in structure, good in anti-seismic performance and high in integration degree.