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50results about How to "Smart" patented technology

Multimedia resource tag information generation method, apparatus, and device, and storage medium

The invention discloses a multimedia resource tag information generation method, apparatus, and device, and a storage medium and belongs to the technical field of Internet. The method comprises the following steps: obtaining review information of a target multimedia resource, and performing word segmentation processing on the review information; acquiring a word vector of at least one vocabulary obtained after the word segmentation; clustering the word vector of the at least one vocabulary to obtain a plurality of vocabulary classifications, wherein the different vocabulary classifications have different topic information; in the at least one vocabulary obtained after the word segmentation, extracting a key vocabulary of the target multimedia resource; based on the key vocabulary and the topic information of a plurality of the vocabulary classifications, generating tag information for the target multimedia resource. According to the multimedia resource tag information generation method, apparatus, and device, and the storage medium in the invention, complete automation is achieved when the tag information is generated, with no need to consume a large amount of manpower and time, and the intelligence is better; moreover, the generated tag information is more accurate, which improves the accuracy of subsequent multimedia resource recommendation.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Mg-Al-La/Al laminated composite and method for manufacturing same

The invention provides an Mg-Al-La / Al laminated composite and a method for manufacturing the same. The method includes cutting Mg-Al-La alloy and pure Al into slices; processing the surfaces of the Mg-Al-La slice and the surfaces of the Al slices and removing oil stains and oxides on the surfaces of the slices; laminating the Mg-Al-La slice and the Al slices to form a lamination and then placing the lamination in a vacuum hot-pressing sintering furnace to composite the lamination by a gradient heating process to obtain the Mg-Al-La / Al laminated composite. The Mg-Al-La slice is arranged in the middle of the lamination, and the Al slices are arranged on the upper side and the lower side of the Mg-Al-La slice. The Mg-Al-La / Al laminated composite and the method have the unique advantages that an excellent interface bonding mode is a mixed bonding mode including a mechanical bonding mode, a dissolution and wetting bonding mode and a reaction bonding mode; La elements and Al elements react with one another at interfaces to generate Al<4>La, and the Mg-Al-La slice and the Al slices are connected with one another by the Al<4>La which can realize effects of nails, so that the interfaces can be bonded firmly; the method is simple in process, convenient to operate and favorable for large-scale popularization and application.
Owner:HARBIN ENG UNIV

Swimming machine

The invention discloses a swimming machine which comprises a cylinder body, a cyclic acceleration device, a temperature control device, a filtering and sterilization device and a control device, wherein a water inlet and a water outlet are formed in two sides of the cylinder body, and the water inlet and the water outlet communicate each other by the cyclic acceleration device; the cyclic acceleration device and the temperature control device are disposed on the cylinder body, and the filtering and sterilization device is disposed on the cyclic acceleration device; and the control device is disposed on the cylinder body and is electrically connected to the cyclic acceleration device, the temperature control device and the filtering and sterilization device. According to the invention, the cyclic acceleration device controls water in the cylinder body to flow continuously at a set speed, so that a swimmer can keep swimming at an original position in a pool, and the swimmer can also do long-time and long-distance swimming exercise in limited space such as home; and the filtering and sterilization device is used for filtering and sterilization of the water in the cylinder body, so that the swimmer is protected from germ or virus infection, and physical and mental health is ensured.
Owner:汪俊石

Intelligent positioning and door opening control system and control method thereof

InactiveCN107067518AEasy and accurate location lookupSmartIndividual entry/exit registersEmbedded systemSmart phone
The invention discloses an intelligent positioning and door opening control system and a control method thereof. The intelligent positioning and door opening control system comprises a server, an access control device and a smart phone, wherein the smart phone is used for user registration and user phone information binding with the server, acquiring a user account as well as a position ID and a sound wave ID of the specified access control device to position the access control device, acquiring door opening secret keys of the specified access control device from the server in different time periods, and opening the specified access control device through the door opening secret keys; the server is used for sending the door opening secret keys of all users of the specified access control device corresponding to the different time periods to the specified access control device; the access control device is used for sending position information to the server, acquiring the position ID and the sound wave ID generated by the server and comparing the door opening secret keys acquired from the smart phone to achieve door opening. The intelligent positioning and door opening control system has the advantages of high positioning precision of the access control device, highly intelligent unlocking, high safety factor, low setting cost, limit in door opening time period and convenience for attendance checking.
Owner:重庆小火柴智能科技有限公司

Screening and conveying device for yellow mealworm breeding and yellow mealworm breeding system

The invention discloses a screening and conveying device for yellow mealworm breeding. The screening and conveying device for yellow mealworm breeding comprises a screening and conveying box connectedbetween an upper yellow mealworm breeding conveying device and a lower yellow mealworm breeding conveying device, wherein a worm skin collection chamber, a worm body conveying chamber and a worm dungcollection chamber are sequentially arranged in the screening and conveying box from top to bottom; the left opening part of the screening and conveying box communicates with the inlet ends of the worm skin collection chamber and the worm body conveying chamber; an inlet guide plate is arranged on the outer side of the inlet end of the worm body conveying chamber; and suction negative pressure isformed in the worm skin collection chamber. The outer side of the outlet end of the worm body conveying chamber is provided with an outlet guide plate for conveying the yellow mealworms in the worm body conveying chamber to the lower yellow mealworm breeding conveying device through the outlet guide plate. The invention also discloses a yellow mealworm breeding system. The screening and conveyingdevice for yellow mealworm breeding and the yellow mealworm breeding system have the advantages that operation is convenient and quick, the intelligence degree and the screening efficiency are high,no damage is caused to the yellow mealworms, the labor intensity of workers can be greatly reduced, and the screening and conveying device for yellow mealworm breeding and the yellow mealworm breedingsystem can adapt to an automatic breeding system well.
Owner:长沙博约生物科技有限公司

Magnet generator, and solid particle adsorption device and air sterilization machine manufactured through same

ActiveCN106040434AStrong market outlookLarge application effect market prospectDeodrantsGlass/slag layered productsMagnetEngineering
The invention discloses a magnet generator, and a solid particle adsorption device and an air sterilization machine manufactured through the same, belongs to the technical field of air purifiers, and is creative. The magnet generator comprises seven layers, and flat high voltage direct current is introduced to the third layer and the fifth layer. The magnet generator can be called a full-material magnet generator. The solid particle adsorption device and the various air sterilization machines manufactured through the magnet generator are high in air purification efficiency and large in space, have the killing capacity for staphylococcus albus, natural bacteria in air, escherichia coli, staphylococcus aureus, candida albicans, serratia marcescens and the like in the air, can generate the hundred-million-level negative oxygen ion concentration, and can be widely applied to a sterile laboratory, a hospital, an operating room, a meeting room, a nursing home, a school, a factory workshop and the like. The work efficiency is greatly improved, and the profits are improved. Generated negative oxygen ions enable solid fine particles in the air to be electrified, adsorption with the magnet generator is facilitated, and a circle is formed. The magnet generator, and the solid particle adsorption device and the air sterilization machine manufactured through the same have wide market prospects.
Owner:高云明 +2

Cigar tobacco leaf air-curing process stage identification method based on incremental learning

The invention belongs to the technical field of tobacco leaf air-curing, discloses a cigar tobacco leaf air-curing process stage identification method based on incremental learning, and provides a fusion model for identifying a tobacco leaf air-curing process stage by adopting an incremental learning mode based on an SGD logic classification algorithm. According to the model, data can be subjected to preprocessing and feature selection in combination with airing data characteristics collected by an airing room, and through an incremental training learning mode, the accuracy of judging the airing process stage is gradually improved, the tobacco airing process is optimized, the working pressure of tobacco growers is relieved, and the economic benefits of tobacco are improved. According to the method, a large amount of effective information is filled for tobacco leaf data features, the subsequent model prediction accuracy is improved, the problem of a large amount of noise in air-curing data is solved, and the model training efficiency is improved; the air-curing process stage is rapidly judged in real time, and meanwhile, the model learns again by utilizing subsequent data increment, so that the tobacco air-curing process is improved, and remote, intelligent and accurate air-curing is realized.
Owner:HUAZHONG UNIV OF SCI & TECH

Accidental injury prevention shield used for unmanned aerial vehicle

The invention discloses an accidental injury prevention shield used for an unmanned aerial vehicle. The accidental injury prevention shield comprises an unmanned aerial vehicle main machine, a first protection cover, a support rod and a wireless communicator, wherein the support rod is arranged on one side of the unmanned aerial vehicle main machine; an overturning motor is arranged between the unmanned aerial vehicle main machine and the support rod; the overturning motor is connected onto the unmanned aerial vehicle main machine through bolts; the overturning motor is connected to the support rod through screws; a fourth protection cover is arranged on one side of the support rod; a first protection cover is arranged on the rear side of the fourth protection cover; and a second protection cover is arranged on one side of the first protection cover. The accidental injury prevention shield has the beneficial effects that the safety is high, the upper and lower protection covers are arranged, an innocent person cannot be hurt when the equipment operates, the intelligence is high, an arranged infrared sensor can respond in time under the condition of no human-machine space-time, theequipment is light, the whole body is made from a synthetic material, and the load influence on the unmanned aerial vehicle after the unmanned aerial vehicle is mounted is little.
Owner:郑州谓凡智能科技有限公司

Single-trolley and double-beam ladle crane with non-translating cast secondary hook

InactiveCN108557652AEasy to intelligent unmanned controlStrong pouring stabilityTravelling cranesLoad-engaging elementsSlagEngineering
The invention relates to a single-trolley and double-beam ladle crane with a non-translating cast secondary hook, and belongs to the field of heavy devices for metallurgy and casting innovation. The single-trolley and double-beam ladle crane with the non-translating cast secondary hook is provided with only two main beams, a main lifting mechanism and an auxiliary lifting mechanism are arranged onthe same trolley frame and are used together with a hemispherical pot-shaped ladle, the secondary hook only needs to be vertically lifted in order to complete molten steel overturning and slag cleaning, and the secondary hook and an auxiliary lifting driving mechanism do not need to move horizontally. Compared with traditional ladle cranes, the single-trolley and double-beam ladle crane has the advantages of construction simplification, unlimitation by the tonnage size, saving of the manufacturing and maintenance cost, avoiding of the slippage of secondary trolley wheels during double-dolly casting, enhancement of the stability of molten steel pouring, facilitation of the intelligentization of high-precision constant flow casting of the ladle crane, and facilitation of improvement of thequality of hot continuous rolling and casting products.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Protection controller for opening coil and closing coil of vacuum circuit breaker and method

The invention relates to a protection controller for an opening coil and a closing coil of a vacuum circuit breaker and a method. The protection controller for the opening coil and the closing coil of the vacuum circuit breaker comprises binding posts, an opening signal indicating light, a closing signal indicating light, and a main control opening and closing circuit board. The main control opening and closing circuit board comprises a main opening control chip, a main closing control chip, an opening power supply rectification unit, a closing power supply rectification unit, a time-delay outage circuit, an opening voltage detection unit, a closing voltage detection unit, an opening coil driving electronic switch and a closing coil driving electronic switch. The time-delay outage circuit and a coil disconnection indicating unit are connected to the main control chips. The opening coil driving electronic switch is connected with the main opening control chip through the time-delay outage circuit. The closing coil driving electronic switch is connected to the main closing control chip through the time-delay outage circuit. The opening power supply rectification unit is connected to the main opening control chip through the opening voltage detection unit. The closing power supply rectification unit is connected to the main closing control chip through the closing voltage detection unit. The coil disconnection indicating unit is respectively connected to the opening signal indicating light and the closing signal indicating light. The protection controller for the opening coil and the closing coil of the vacuum circuit breaker and the method solve the technical problem that the opening coil and the closing coil often burn out.
Owner:ANHUI ZHONGDIAN XINGFA & XINLONG TECH CO LTD

Novel energy-saving elevator system and constant power operation control method thereof

The invention discloses a novel energy-saving elevator system and a constant power operation control method. The novel energy-saving elevator system comprises an elevator car, a counterweight box, a variable counterweight block device, a connecting chain, a variable speed driving device and a control system, wherein a weighing device is arranged on the elevator car, and the variable counterweightblock device is located at the top of an elevator shaft; the variable driving device comprises a traction motor and a transmission connected with the traction motor in a transmission mode, and an output shaft of the transmission is connected with a traction wheel in a transmission mode; and the connecting chain bypasses the traction wheel in the variable speed driving device, and the two sides ofthe connecting chain are correspondingly connected with the elevator car and the counterweight box. According to the novel energy-saving elevator system, the weight and the transmission variable speedratio of the counterweight box can be simultaneously changed, thus the output torque of a traction machine is indirectly adjusted, the output power of the traction motor is basically kept near the rated power, the performance of the motor is optimized, the unnecessary loss is reduced, and finally the effect of reducing energy consumption of the elevator is achieved.
Owner:河南韶源电子科技有限公司

Microfluid inertia grounding switch capable of bidirectionally identifying

ActiveCN110752110AWith inertial load identification functionReliable lockingElectric switchesMetal electrodesMaterials science
The invention discloses a microfluid inertia grounding switch capable of bidirectionally identifying. The switch comprises a substrate, a cover plate, metal liquid drops, a metal electrode and a microchannel, wherein the cover plate is arranged at an upper end of the substrate, the cover plate and the substrate are sealed, the micro channel is arranged on the substrate, the metal electrode is arranged on the cover plate, the micro channel comprises a rectangular liquid storage pool, a fan-shaped island, a diamond passage, a capillary valve, a direct-through passage and a bending passage, themetal liquid drops are arranged in the rectangular liquid storage pool, a contact at one end of the metal electrode is arranged in the micro channel, and a contact at the other end of the metal electrode is arranged outside a coincided region of the substrate and the cover plate. When an inertia force applied to the switch is larger than a threshold, the metal liquid drops can break through the capillary valve, the metal liquid drops can be completely recovered to the rectangular liquid storage pool after a backblow load and a service load are disappeared, and the switch is switched on by themetal liquid drops and the metal liquid drops cannot be recovered only under an effect of forward inertia force when a pellet rubs with ground. By the switch, an acceleration load can be bidirectionally identified, power is stably connected, and the switch has performance of working under a low-temperature environment.
Owner:NANJING UNIV OF SCI & TECH
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