4593results about How to "Easy to use and flexible" patented technology

The invention discloses an electronic document safe sharing system which can realize safe storage and fully sharing of secret document. The electronic document safe sharing system comprises a document encrypting module and a document decrypting module; wherein the document encrypting module utilizes a session key to symmetrically encrypt electronic document data, receiver identification (public key) is utilized to asymmetrically encrypt the session key, and finally the encrypted symmetric key and encrypted electronic document data are packed into a digital envelop; and the document decrypting module utilizes an own private key to decrypt the digital envelop. The electronic document safe sharing method of the invention takes CPK combined public key or CPK compound public key technology as the basis, flexible digital signature and secret key exchange capacity thereof are utilized, and a confidential document management system which is from a server to a client, contains information storage and transmission to each use link and is integrated with document data encryption, access control, authorization management, dynamic key exchange and process audit trail into a whole is constructed.

The invention discloses a kind of electric automobile PWM rectification and converting voltage/current pulse charging system which is the charging system for large storage battery. The system includes rectifier module and charging module. The former links with AC network and charge module respectively. The said charging system also includes DC charging management module and the charging module is composed of DC input module and DC output module. The said rectifier module, DC input module and DC output module, DC charging management module are independent and connected together by CAN bus. The electric automobile PWM rectification and converting voltage/current pulse charging system of this invention is simply structured with a small size and features wide range of application e.g. charging for all lead and zinc storage batteries. It greatly reduces the duration for charging storage batteries and is worthy of scale popularizing.

The FLASH memory is divided into the file data storage area and the file index area. The file data storage area composed of the 'block' of FLASH memory is utilized to store the content of the file. The file index area is utilized to record the file directories and the allocation information of 'block' of FLASH memory. Based on the said partition, the operations of writing file, reading file and erasing file are carried out, making the FLASH space be allocated based on the dynamic quantity and the length of the file utilized. Thus, it is not needed to modify the code or upgrade the software when the quantity of the file is adjusted or the length of the file is changed. The invention uses the resources reasonably and saves the storage space.

The invention discloses a customizable individualized response method and system used in a mobile terminal. A user sets an answer rule and individualized answer content at first, and then judges whether to start an automatic answer flow or not according to the answer rule after receiving a call. A speech recognition function is used to identify telephone speech content. A semantic analysis function is used to analyze the intention of a caller so as to further determine the individualized automatic answer content. A speech synthesis function of the mobile terminal is used to play speech to the caller. The speech identification can be completed based on either local resources of the mobile terminal or a cloud-side recognition function. The semantic analysis function can be realized in the mobile terminal or in a manner of accessing the cloud-side semantic analysis function.

The invention provides an intelligent electronic label system which uses a highly integrated and low cost wireless micropower single chip transceiver to manufacture an intelligent label and a reader-writer respectively. The intelligent label is in a dormant state for a long time and works for an instant after a periodical revival, the reader-writer seizes the instant after the intelligent label is revived to establish a communication contact with the intelligent label through different modes, thereby realizing control management of a system to the intelligent label and other terminal devices connected with the intelligent label with very low average power consumption. The invention also makes that a common button cell battery is not necessary to replace for a plurality of years through flexible regulations to the dormant cycle of the intelligent label, an operating channel, an operation mode, etc. Meanwhile, the invention also greatly accelerates response speed of the intelligent label. The intelligent electronic label system has a simple structure, a long reading and writing distance, low cost, and flexible and convenient use; therefore, intelligent electronic label system can be used as a wireless electronic vehicle license plate, an identification card, etc., and can be used for control management to vehicles, staffs, materials and other remote terminal equipment.

The invention provides a durability test bed for an automobile door and belongs to the field of measuring techniques. The durability test bed solves the problem that an existing test bed device can only detect the opening and closing frequency when an automobile door hinge or an automobile door lock reach a scrap state. The durability test bed for the automobile door comprises an upper computer, a force sensor, a base plate and a swing arm, wherein one end of the swing arm is hinged to the base plate provided with a cylinder capable of driving the swing arm to swing, and the other end of the swing arm is connected with a push-pull component; a cylinder piston rod is connected with the swing arm through the force sensor; the part where the swing arm and the base plate are hinged is provided with an angle sensor capable of detecting the size of swinging angle of the swing arm; the angle sensor and the force sensor are both in electric connection with the upper computer. In the durability test bed for the automobile door, the angle sensor and the force sensor are installed; test frequency, force and speed are controlled, adjusted and recorded through the upper computer and a PLC so as to be analyzed and determined by testers and designers, and meanwhile the durability test bed is capable of outputting and printing test report data.

The invention discloses a flexibly-extendable automatic testing system platform suitable for testing a radio frequency module product. The system platform comprises a universal driver library, an automatic testing method base, an automatic testing configuration platform and an automatic testing terminal. For products, such as the RF module and the like, needing complicatedly testing in a production process, the invention provides the universal platform capable of fast configuring an automatic testing system for the different products in different testing environments. The automatic testing system platform has the characteristics of high universalization degree, simple operation, flexibility, reusability and the like.

The invention provides an automatic non-destructive testing method for the internal wall of a binocular vision pipeline, comprising the following steps: step 1: calibrating a binocular CCD camera; step 2: arranging measurement parameters; step 3: measuring in real time; and step 4: managing data. The measuring method has the advantages that the internal wall of the pipeline is not damaged, the automatic degree is high, the using of the method is simple and flexile, the measuring precision is high, and a measuring device has light weight and small volume, and can be used conveniently.

The invention discloses a high-rise water spray dust-setting device for controlling PM2.5 air quality from exceeding the standard, which belongs to the technical field of water spray dust-setting equipment. The technical points of the high-rise water spray dust-setting device are as follows: the high-rise water spray dust-setting device comprises micro-spray dust-setting spray mechanisms, wherein the micro-spray dust-setting spray mechanisms are distributively mounted on the roofs of buildings, and the edges of the spray dust-setting areas of each two neighboring micro-spray dust-setting spray mechanisms are partially superposed, so that a high-altitude spray dust-setting network is formed; each micro-spray dust-setting spray mechanism is connected with an urban tap water supply pipe through a pipeline, a high-pressure liquid pump is arranged on the pipeline between the urban tap water supply pipe and each micro-spray dust-setting spray mechanism, and each high-pressure liquid pump is connected with an electric controller; each electric controller is connected with a PM2.5 monitoring device through a circuit, and each PM2.5 monitoring device is arranged beside the corresponding micro-spray dust-setting spray mechanism. The purpose of the invention is to provide the high-rise water spray dust-setting device for controlling PM2.5 air quality from exceeding the standard, which has a compact structure and a good dust-settling effect and is convenient to use; and the high-rise water spray dust-setting device is used for improving and controlling PM2.5 air quality.

The invention relates to a web page positioning identification system and a web page positioning identification method. The system comprises an initialization module, a type identification module, a marking module, a collision detection module, a coordinate conversion module and an input output interface. An intermediate detection list is generated by initializing web page elements and identifying the types of the web page elements, the elements collide with a current monitored user sight focusing area, and the overlapped web page elements, ID marks of the web page elements and position/time data are all output through a list to facilitate the operation of a user and a technical implementer. In correspondence to specific positions of specific elements in a specific web page, related information can be accurately displayed or related events can be accurately triggered according to a current user attention focus, so that information display is more targeted, position information adopts a relative position without the influence of the positions/sizes of the web page elements and the size and the resolution of a carrier, and the output position information is correct and unique all the time.

The invention discloses a heavy duty stacker for containers. The heavy duty stacker comprises a stacker frame, a safety protection device, a loading platform, a container hooking and taking device, a lifting device, an operation driving device and an electrical control device, wherein the stacker frame comprises four upright posts, an upper cross beam and a lower cross beam; the safety protection device comprises a cargo state detection device, a broken rope protection device, a power outage protection device, a travel speed-limiting device, a detection and positioning device and a progression speed reduction, walking emergency stop and retreat speed reduction switch; the container hooking and taking device comprises a lower fork, a middle fork, an upper fork and a hooking and taking driving mechanism composed of a normally closed electromagnetic braking motor, a chain wheel and a chain; the lifting device comprises a speed reduction motor, a pulley group, a steel wire rope reel, an encoder and a steel wire rope; and the operation driving device comprises a motor, a driving wheel, a driven wheel and an encoder. The heavy duty stacker is reasonable in structural design, strong in operability, good in safety performance and good in stable performance, and can meet the loading demand of large containers at ports and docks, and be convenient for popularization.

The invention relates to a nutrition enhancing alga dough and a preparation method thereof, which pertain to the preparation of food and foodstuff. The invention aims at providing a natural nutrition enhancing alga dough product which is characterized by diversified varieties, being flexible and convenient for use, rich and full in nutrition and low in cost and having multiple health functions. The product is realized by adding edible alga into the ingredients of the dough, with the ratio of flour to the edible alga equaling to 1:0.1-1. The invention also provides the ideal preparation method of the nutrition enhancing alga dough, which is characterized by low equipment investment, convenient purchase, simple technique, easy operation, low cost of main raw materials, diversified varieties of products and significant economic benefit. The application of the invention can provide reliable guarantee for the health of human.

The invention relates to a multifunctional pipe tool inner wall cleaning device and a cleaning method of the multifunctional pipe tool inner wall cleaning device. The device comprises a spray cylinder, a pipe cleaning device, walking mechanisms and a center shaft which are coaxially arranged. A cavity is formed in the spray cylinder. The center shaft penetrates the cavity and communicates with the cavity. Multiple spray head assemblies are mounted on the periphery of the spray cylinder and communicate with the cavity. Steel brush assemblies are arranged on the periphery of the spray cylinder. Walking joints communicating with the center shaft are mounted at the two ends of the center shaft. The end, close to the spray cylinder, of the pipe cleaning device is a liquid outlet end, one end of the center shaft is connected with and communicates with the liquid outlet end through the corresponding walking joint, and the walking joint corresponding to the other end of the center shaft is provided with a sealing plug; the walking mechanisms are mounted on the walking joints in a one-to-one manner; and the spray directions of the spray head assembles are consistent in the radial direction, and the spray head assemblies are obliquely arranged towards the inner wall of a pipe tool to be cleaned and the pipe cleaning device. The multifunctional pipe tool inner wall cleaning device and the cleaning method have the beneficial effects that the inner wall of the pipe tool is cleaned in an omnibearing manner through the cleaning manner of combining the high-pressure spray cleaning and boosting, scraping of the steel brush assemblies and scraping of the pipe cleaning device, and the cleaning device is environmentally-friendly, efficient, capable of saving energy and the like.

The invention relates to the technical field of digital multimedia playing monitoring and provides a method for locally monitoring multimedia playing, which comprises the following steps: S1) after connecting a playing terminal to a playing control network, establishing a heartbeat connection between the playing terminal and a playing-monitoring server through a TCP (terminal control protocol) protocol; S2) in the heartbeat period, mutually sending the playing-monitoring information and the control order by the playing terminal and the playing-monitoring server; and S3) monitoring each program region on the frames of the playing terminal in classifications by the playing-monitoring server, monitoring characters and picture playing information and displaying on a playing-monitoring interface at real time. By the using of the method provided by the invention, the problems of the prior art that when the multimedia playing is monitored, the laying-monitoring construction cost is high, the occupied ratio of playing-monitoring bandwidth is high, the real-time sampling detection cannot be realized, the characters, pictures and videos cannot be monitored separately, and the like, are solved.

The invention relates to one time simultaneous method and system for multi-point visual point, which comprises the following steps: a, using network time agreement to process all device simultaneous operations; b, separately starting one collection program on collectors for each camera; c, visual collection program monitors control order from servo; d, the servo detects local network maximum reverse time; e, the servo adds current system time and the maximum reverse time as pre-set collection time sent to each collection program; f, collection program compares the current system time and pre-set collection time, if it supers then starting visual data collection.

The invention relates to a multi-purpose two-way power electric test power supply system and a control method thereof. The system comprises a PWM reversible rectifier and an active clamp two-way DC/DC converter. The method comprises the steps as follows: a single-polarity SPWM control is adopted at a first stage; a first stage circuit has a power factor correcting function when power flows forwardly, and a PF value is very high; when the power reversely flows, the total harmonic distortion is low; a phase shift control or a PWM control is adopted at a second stage; when the power flows forwardly, the adjustment range of output DC voltage is wide; and after an active clamp circuit is adopted, soft switching of a switch tube of a second stage circuit is achieved, so that the multi-purpose two-way power electric test power supply system has relatively high efficiency under different load conditions. An all-digital control is adopted by a power supply; compared with a traditional electric test power supply, the multi-purpose two-way power electric test power supply system has the characteristics of being small in size, light in weight, diverse in function and the like, and is suitable for the occasions of electric operation, an inspection experiment, storage battery charging and discharging and the like.

The invention provides an automobile projection display system comprising a control module and an optical module; wherein the optical module is coupled with the control module and is used for carrying out optical processing on an original image provided by the control module to generate a projection image and projecting the projection image to the window glass of an automobile for personnel outside the automobile to look. The system enables the image to be projected on the window glass of the automobile in an optical-projection manner, and display content can be flexibly changed as needed.

The invention discloses a water heater system and a control method thereof. The water heater system comprises a hot water tank, a hot water pipe, a cold water pipe, a water mixing pipe, a water circulating pipe, a controller, a temperature sensor and electronic valves, wherein the electronic valves are respectively arranged on the hot water pipe, the cold water pipe and the water mixing pipe; the water inlet end of the water circulating pipe is connected with the water inlet end of the water mixing pipe, and the water outlet end of the water circulating pipe is connected with the hot water tank; the temperature sensor is arranged on the water mixing pipe and used for detecting the outlet water temperature of the water mixing pipe; and the controller is connected with the temperature sensor and each electronic valve, and used for controlling the opening size of each electronic valve by combining the temperature sensor so as to adjust the outlet water temperature of the water mixing pipe. The water heater system can automatically adjust the outlet water temperature to a preset value, store and identify fingerprint information of a user, and set and control the outlet water temperature and the outlet water flow index of a water heater in a personalized mode according to the fingerprint information of the user; and the water heater system has the characteristics of flexibility and convenience in use, constant outlet water temperature, automaticity, safety, energy conservation and consumption reduction.

The invention relates to a teacher lectern, in particular to a portable type lifting multifunctional teacher lectern, and belongs to the technical field of teaching instruments. The modularization and overall integration design mode is adopted in the portable type lifting multifunctional teacher lectern, the portable type lifting multifunctional teacher lectern can be used outside a room or inside a classroom, space is saved, and convenience is brought to lesson giving by teachers. In addition, the portable type lifting multifunctional teacher lectern is small in size, simple in structure, convenient to move, high in integration degree and complete in function. The portable type lifting multifunctional teacher lectern comprises a box body, a lectern top and a stretching mechanism, the lectern top and the stretching mechanism are arranged in the box body, the bottom of the stretching mechanism is connected with the box body, the lectern top is arranged at the top of the stretching mechanism and composed of a first base plate, a middle plate and a top plate, the first base plate is movably connected with the middle plate, the middle plate is hinged to the top plate, and the top of the stretching mechanism is connected with the bottom of the first base plate.

The invention provides a garbage compression leachate comprehensive waste water treatment device and technological method. The device comprises a grille, a waste water storage tank, an ultrasonic Electro-Fenton reactor, an intermediate water storage tank, an ultrasonic vibration film reactor and a vortex vibration film filtration system, wherein the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system are sequentially connected. The device further comprises a sludge dewatering drying pool which is connected with a vortex energy-saving heat pump flash evaporator of the vortex vibration film filtration system and provided with a circuit connected with the ultrasonic vibration film reactor. Waste water sequentially flows through the grille, the waste water storage tank, the ultrasonic Electro-Fenton reactor, the intermediate water storage tank, the ultrasonic vibration film reactor and the vortex vibration film filtration system for redox reactions and filtration. The device is high in operability, high in regeneration cycle use rate and low in operation cost.

The embodiment of the invention relates to a method for selecting audio output devices and a terminal. The method comprises the steps that the terminal judges whether output or input of first audio data exists or not; if the output or the input of the first audio data exists, a first prompt message is displayed and is used for prompting a user whether a first audio output device for outputting or inputting the first audio data is switched over or not; when a first confirming operation, input by the user according to the first prompt message, for switching over the first audio output device is received, a second prompt message is displayed and comprises identification information of all the audio output devices which are included by the terminal and connected with the terminal; a first selection operation input by the user is received and comprises one or more second audio output devices which are selected by the user according to the identification information and are used for outputting or inputting the first audio data; the first audio data are switched to the second audio output devices selected by the user.

The invention relates to fiber optical cable twist test equipment. A transmission device of the fiber optical cable twist test equipment comprises a crank-slider mechanism; a slider of the crank-slider mechanism is a stick-shaped slider, and one side of the stick-shaped slider is provided with a drive gear; the toothed slider is engaged with a gear which is rotationally assembled on a machine frame to form a gear rack transmission device; and a twist arm of the fiber optical cable twist test equipment is fixed on a rotating shaft of the gear, and a rotating centre line of the twist arm and a centre line of the rotating shaft of the gear are collinear. A motor drives a crank of the crank-slider mechanism to rotate, the crank drives a connecting rod to perform planar motion, and the connecting rod drives the slider to perform reciprocating linear motion; the slider drives the gear to rotate reciprocally by the drive gear on the slider, and with the reciprocating rotation of the gear, the twist arm which is fixed at one end of the rotating shaft of the gear outputs rotation and twists and drives a fiber optical cable clamed on the twist arm to twist. The fiber optical cable twist test equipment has the advantages that: the structure is simple; the movement is reliable; and the twist arm of the motor can be twisted without rotating forward and backward.

The invention discloses a cancer driving gene screening method based on gene mutation frequency and belongs to the field of cancer medicine. The method comprises the steps that (1) tumor gene mutation data is acquired; (2) the mutation data is preprocessed; (3) adjacent genes of each gene are screened; (4) background mutation data of each kind of mutation is calculated; and (5) hypothesis testing is used to screen mutation genes according to mutation values. According to the method, a modern high-throughput sequencing technology, DNA data processing software, a classic clustering algorithm and a classic statistical method are utilized and combined with biotic factors influencing gene mutation, so that screening of cancer driving genes is more precise, and the method has an important meaning for both research and development of novel anti-cancer drugs and clinical diagnosis and treatment of cancers.

The invention relates to a three-dimensional point coordinate measuring method and a measuring apparatus thereof. According to the invention, the problems on the flexibility of the system and the measuring speed are solved; therefore, the field measurement and the measurement of points that are not easy to be measured can be allowed, and the manufacturing cost can be reduced. According to the scheme of the method, a camera coordinate system is established; three-dimensional coordinates of marking points are calibrated in a light pen coordinate system, wherein the marking points are fixed on a measuring probe; spatial three-dimensional coordinates of implementation measuring time of a set of fixed marking points on the measuring probe are calculated in the camera coordinate system, and three-dimensional coordinates of the set of fixed marking points on the measuring probe are also calculated in a measuring probe coordinate system; and a logical relation of the two coordinate systems of the implementation measuring time is established; a three-dimensional coordinate of a spherical point of a spherical measuring head is calibrated in the measuring probe coordinate system; based on the above results, when the measuring is carried out, a spherical measuring head in the front of the measuring probe is contacted with a measured point to obtain a measuring point, and a coordinate of the measuring point is calculated. The measuring apparatus comprises supports, cameras, a measuring probe, a matched computer and matched software. The apparatus has two cameras, which are fixed on supports. The spherical measuring head is fixed at the front of a T-shaped rod, and a set of marking points, which are in a T-shaped form, are fixed on the T-shaped rod. According to the invention, the system has good flexibility, and the measuring speed is fast; besides, the measurement of a measuring point that is not easy to be measured is also allowed, and the cost is low.

This invention discloses multimedia monitor system, which contains client side with account information in plurality of area and having monitor terminal and monitored terminal, positioning server set in internet for receiving and storing account and address information transmitted by client side, register server set in internet for client side logging, registering and certificating according to positioning server, proxy server set in internet for receiving client side request and communicating among client sides, and among client side, register server and positioning server. Comparing with current technology, said invention has advantages of strong client side mobility, convenient use and fine system extensibility.