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518results about How to "Without human intervention" patented technology

Method for applying RFID technology and sensor technology to supervision and control of safety equipment

The invention relates to a method for applying a RFID technology and a sensor technology to the supervision and the control of safety equipment, which comprises the following concrete steps of: (a) reading safety equipment adhered with specific electronic tags at real time by utilizing a radio-frequency identification (RFID) monitoring and managing system installed in public places and finishing the real-time monitoring of the working state of the safety equipment; (b) if the monitoring and managing system can not effectively identify the due tag number in a RFID read-write area of the monitoring and managing system, informing an alarm emergency treatment platform of starting working by a background service system; (c) if tag information does not conform to the current state information of the safety equipment in the processes of maintenance, overhaul and check, triggering a corresponding alarm by a RFID read-write unit and informing a manager of carrying out treatment; and (d) if the detection value of a sensor in the public places is abnormal, showing the existence of safety accidents or hidden danger; and when conforming to an alarm condition, issuing an alarm by the background service system and starting an alarm emergency treatment plan. The invention has the advantage of simple and convenient installation, debugging and maintenance.
Owner:EAST CHINA UNIV OF SCI & TECH

Photovoltaic power station monitoring system based on industrial wireless network

The invention relates to the wireless communication technology, in particular to a communication system which is based on a WIA industrial wireless network and used for monitoring and controlling operation of a photovoltaic power station in real time. The system comprises an upper computer, a wireless gateway device and wireless node devices, the upper computer is arranged in a monitoring room, provides a human-computer interaction interface of the monitoring system for a user and is connected with the wireless gateway through the Ethernet and used for monitoring photovoltaic equipment, the wireless gateway device completes data and control command switching with the wireless node devices and provides the upper computer with an inquiry and control interface, the wireless node devices are arranged in each monitored solar cell array tracking support and each monitored photoelectric combiner box in a dispersed mode and collect data of the solar cell arrays and the photoelectric combiner boxes. The system can totally replace an existing wired connection system and complete functions such as data collection of the equipment, sun-orienting control of the solar cell arrays and daily management of the power station, reduces building and maintaining cost of the photoelectric power station, promotes flexibility of the overall arrangement and is convenient for a user to manage.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Pipeline powdered coal particle size measuring device and measuring method

The invention relates to a digital holographic technique, and aims to provide a pipeline powdered coal particle size measuring device and a measuring method. The method comprises the following steps: sampling a gas in a powdered coal conveying pipeline by a sampling nozzle, mixing clean air with the sampled gas to form a mixed gas, and taking the mixed gas as a sample to be delivered into a diluting chamber; combining a laser with a spatial filter to generate collimated laser, and projecting the collimated laser to a CCD camera by virtue of a laser channel of the diluting chamber; and processing a holographic image acquired by the CCD camera to obtain concentration and particle size distribution information of the measured sample, and then obtaining concentration and particle size distribution data of the powdered coal in the sampled gas according to a dilution ratio of the measured sample. By use of the device and the method provided by the invention, online quantitative measurement on the particle size and the concentration of the powdered coal in a pipeline can be achieved at the same time. The device is easy to operate and has a relatively high automation degree, and the measurement process does not need artificial interference; and by virtue of computer calculation, a measurement result close to reality can be given, manpower and material resources are saved, and daily running monitoring and maintenance work of coal-fired boiler equipment are facilitated.
Owner:ZHEJIANG UNIV

Load test system and method for stream media service

The method discloses a load testing system and a testing method for stream media service. The testing system comprises a stream media server, at least one testing client and a testing management server; the stream media server is used for providing a stream media service, at least one testing client is used for launching an on-demand request of the stream media service to the stream media server according to a testing task and recording corresponding on-demand quality parameters when the stream media service is demanded, the testing management server is used for generating the testing task distributed to the testing client and acquiring the on-demand quality parameters of the testing client corresponding to the testing task and the performance log of the stream media server operation and acquiring a testing result of the stream media service through analyzing the on-demand quality parameters and the performance log. Through an SOAP communication protocol, the load testing system for stream media service and the testing method intensively configure the testing task, automatically complete self-testing and generate a testing report to realize the comprehensive testing carried out to the performance of the stream media server and have the advantages of accurate and real testing and wide testing occasions.
Owner:SHENZHEN COSHIP ELECTRONICS CO LTD

Full-automatic directional antenna alignment device and method

The invention discloses a full-automatic directional antenna alignment device and method. The method includes the steps of according to azimuth information and height information of a self-side directional antenna and an opposite-side directional antenna, inquiring for a topographic database, obtaining communication link topographic section information between the self-side directional antenna and the opposite-side directional antenna, and calculating communication link attenuation according to the communication link topographic section information; then calculating initial adjusting angles and initial pitch angles of the self-side directional antenna and the opposite-side directional antenna, and initially adjusting the self-side directional antenna and the opposite-side directional antenna; in cooperation with the communication link attenuation, setting initial transmitting power and initial receiving gains of the self-side directional antenna and the opposite-side directional antenna, and calculating the receiving power scope; respectively and finely adjusting the self-side directional antenna and the opposite-side directional antenna within the directional antenna finely-adjusting scope until the positions, with the maximum actual receiving power, of the self-side directional antenna and the opposite-side directional antenna are respectively found, and completing antenna alignment. By means of the full-automatic directional antenna alignment device and method, human interference is not needed, the whole alignment process can be completed in a full-automatic mode, and the alignment accuracy is high.
Owner:千岳(西安)信息科技有限公司

A sensor external parameter calibration method and system

The invention discloses a sensor external parameter calibration method and system. The method comprises the following steps of converting the first vehicle body pose under the vehicle coordinate system into a sensor coordinate system by using the conversion matrix; continuously iteratively adjusting the value of the conversion matrix until the nonlinear optimization error between a second vehiclebody pose sequence obtained by conversion and a sensor pose sequence is minimum when the first vehicle body pose sequence is converted into the sensor coordinate system through the conversion matrix;when the nonlinear optimization error is minimum, determining the value of the angle offset and/or the position offset in the conversion matrix as the external parameter of the sensor, wherein the sensor is a visual sensor or a laser radar. According to the present invention, the calibration of external parameters of the sensor can be completed under the condition that no extra marker is arranged,and the calibration efficiency is improved. Meanwhile, parameters of six degrees of freedom of the sensor can be automatically calibrated, and parameters of three degrees of freedom of rotation or three degrees of freedom of translation in the sensor can be manually calibrated.
Owner:GUANGZHOU XIAOPENG MOTORS TECH CO LTD

Microencapsulated self-repairing superhydrophobic coating layer and preparation method thereof

ActiveCN109971331AMeet the micro-nano multilevel structureIncrease roughnessPaper coatingPolyurea/polyurethane coatingsFree energiesSurface layer
The present invention discloses a microencapsulated self-repairing superhydrophobic coating layer. The superhydrophobic coating layer comprises 35-51 wt% of a polymer matrix and 49-65 wt% of a microcapsule coated with fluorosilane. The superhydrophobic coating layer has a good hydrophobic property, and the fluorosilane stored in the microcapsule migrates to the surface of the capsule under the driving of surface free energy to provide a low surface energy substance, and is released from the capsule after the capsule is worn and damaged in order to repair the damaged superhydrophobic surface; the microcapsules and the polymer matrix blended to form an "integrated" self-similar structure, and the fresh surface exposed after the rough structure of the surface layer is damaged still has a highroughness, so the loss of low surface energy components and the reduction of surface roughness due to chemical corrosion or external force wearing are greatly reduced; and the damaged superhydrophobic surface of the coating layer is repaired by the synergistic action of the microcapsule and the polymer matrix. The invention also provides a preparation method of the microencapsulated self-repairing superhydrophobic coating layer.
Owner:珠海智仁科技有限公司

ZigBee network coordinator redundancy backup method

The invention relates to the technical field of low-bitrate wireless personal area networks, in particular to a ZigBee network coordinator redundancy backup method. According to the ZigBee network coordinator redundancy backup method, a ZigBee network, a main coordinator, a backup coordinator, a router and a terminal node are arranged. The ZigBee network coordinator redundancy backup method is characterized in that one router is selected in the ZigBee network to serve as the backup coordinator, conversion logic of the main coordinator and the backup coordinator is realized, and role conversion between the main coordinator and the backup coordinator is conducted according to the conversion logic; restart and re-access logic of the router and restart and re-access logic of the terminal node are realized, and the router and the terminal node conduct restart and re-access according to respective restart and re-access logic. Compared with the prior art, the ordinary router in the ZigBee network is selected as the backup coordinator, the main coordinator and the backup coordinator both have the double-role function, the mutual conversion logic of the roles of the main coordinator and the backup coordinator is in a wireless communication mode, and therefore the defects of physical connection lines are avoided.
Owner:江苏林洋综合能源服务有限公司

Smart spectacles capable of automatically adjusting transparency of lenses according to ambient light intensity

InactiveCN104730729AAdjust transparencyRealize the light transmittance adjustment functionStatic indicating devicesNon-linear opticsHuman eyeComfort levels
The invention discloses a pair of smart spectacles capable of automatically adjusting the transparency of lenses according to the ambient light intensity. The smart spectacles comprise a spectacle rack, left lens, a right lens, a control switch, a left film solar cell and energy storage device, a right film solar cell and energy storage device, an ambient light sensor an a control chip, wherein the left lens and the right lens are respectively embedded into two spectacle frame parts, and are divided into three layers, namely a first lens layer, a liquid crystal molecule interlayer and a second lens layer from outside to inside. The smart spectacles are capable of automatically adjusting the transparency of the lenses according to the intensity of ambient light to adapt with the illumination comfort level of human eyes; the ambient light sensor is used for converting the ambient light around the eyes into electric signals in a working state, treating by virtue of the control chip, and then outputting control voltage to the liquid crystal molecule layer of each lens interlayer. The light transmittance of each liquid crystal molecule layer is changed by changing the polarization state of liquid crystal molecules and combining a specific ambient light polarization state, so that continuous and automatic adjustment of the light transmittance of the lens adapting with the ambient light intensity is realized.
Owner:SHANGHAI JIAO TONG UNIV

Reactive compensation type intelligent voltage regulator

The invention discloses a reactive compensation type intelligent voltage regulator, comprising a voltage detection unit and three automatic voltage regulation and reactive compensation units; the automatic voltage regulation and reactive compensation units comprise uniphase voltage-regulating transformers serially connected in A, B, or C phase line, a reactive compensation capacitor serially connected with the uniphase voltage-regulating transformers, a switch control circuit which controls a plurality of high voltage switches on a plurality of gear voltage output leads of the uniphase voltage-regulating transformers, and a controller which is connected with the voltage detection unit and controls the switch control circuit; the three uniphase voltage-regulating transformers in the three automatic voltage regulation and reactive compensation units compose a triphase voltage-regulating transformer, the primary side winding of the triphase voltage-regulating transformer is in star connection and Y1 end of the primary side winding is respectively connected to a point after passing through the reactive compensation capacitor. The invention has reasonable designed circuits, simple operation and convenient lead connection, and can enhance the power factor of the circuits during regulation of the voltage of the power supply circuit, thus radically improving power supply quality of thecircuits.
Owner:西安沣源智能装备科技有限公司

Improved system and method for detecting wall thickness and corrosion of well casing of gas storage well

The invention discloses an improved system and method for detecting wall thickness and corrosion of a well casing of a gas storage well. The system comprises an overground signal processing part and an underground signal receiving and transmitting part arranged inside the gas storage well, wherein the overground part is provided with a mobile detection device connected with the underground part through an armored composite wire, and the detection device is provided with a dragging part and a control terminal; a coaxial cable in the armored composite wire inputs a plurality of collected analog probe signals into a computer, and the computer finishes digital conversion of analog signals and processing of data signals; the signal processing part moves up and down on the inner wall of the well casing through a centralizer; an annular water immersion analog probe array is also arranged; and the armored composite wire is manufactured by winding the coaxial cable for signal transmission with an underground instrument power cord layer by layer and winding a steel wire at the outermost layer, and the coaxial cable and the power cord share one multi-core waterproof seal joint. An encoder is directly installed at the wire swinging part in front of a roller, and the joint of encoder and the computer are in fixed connection. The system disclosed by the invention has stronger reliability and better vibration resistance, and can operate for a long time without faults.
Owner:CHINA SPECIAL EQUIP INSPECTION & RES INST

Device for measuring cooling capacity of thermoelectric refrigerating unit

The invention discloses a device for measuring the cooling capacity of a thermoelectric refrigerating unit. The device comprises a thermal end thermostat (1), a direct-current power supply (2), a cold end thermostat (4), a data processing module (5), a thermal end temperature sensor (15), an environmental temperature sensor (16), a cold end temperature sensor (17) and a pressure sensor (18), wherein the thermal end thermostat (1) and the cold end thermostat (4) are heat exchange and temperature control assemblies of a thermal end and a cold end respectively; a thermoelectric refrigerating unit testing piece is arranged between the thermal end thermostat (1) and the cold end thermostat (4); and the data processing module (5) is used for carrying out real time and data processing on each piece of equipment in the device. In the measuring device, heat produced by the refrigerating unit is dynamically compensated by controlling heat exchange on the cold and thermal end faces of the thermoelectric refrigerating unit till the heat is stable and balanced, and the cooling capacity of the refrigerating unit is finally measured by compensating for and correcting leakage heat. Due to the adoption of the device, the problem of direct measurement of the cooling capacity of the thermoelectric refrigerating unit is solved effectively; and the device has a simple structure and high measuring accuracy, and is convenient to operate.
Owner:BEIJING MECHANICAL EQUIP INST

Distributed WEB automated test system and method

Provided is a distributed WEB automated test system. The system includes a use case management platform, a use case execution platform and a browser cluster. The use case management platform is a management platform for automated use cases and use case sets, the use case management platform is used for abstracting the use case sets and use case data models and managing basic information of the usecases and the use case sets and is used as an entry for a user to trigger the execution of the automated use cases, the use case management platform is connected with the use case execution platform,the use case execution platform includes a continuous integration platform, a code management service module and a test framework, the use case execution platform is connected to the browser cluster,the browser cluster includes a distribution center and a browser node, and the distribution center is used for receiving a webdriver request initiated by the execution platform, transmitting to a browser mirror node for execution and sending back an execution result to the use case execution platform. The system can achieve the effects of environmental consistency, no human intervention, simple environment configuration mode and improvement of execution efficiency of use cases.
Owner:南京新贝金服科技有限公司

Public traffic passenger flow information acquisition method and system based on RFID (radio frequency identification) technique

The embodiment of the invention provides a public traffic passenger flow information acquisition method and system based on an RFID (radio frequency identification) technique. The public traffic passenger flow information acquisition method comprises the following steps of: acquiring get-on information of each site by an identification device of a high-frequency label of a public double-frequency card; acquiring get-off information of each site by the identification device of an ultrahigh-frequency label of the public double-frequency card; automatically obtaining site information of each site by a GPS (global position system); transmitting the acquired get-on information, the acquired get-off information and the acquired site information of each site to a server in real time; and generating original passenger flow data according to the get-on information, the get-off information and the site information of each site by the server. According to the public traffic passenger flow information acquisition method disclosed by the invention, a whole information acquiring process is automatically identified and acquired through a vehicle-mounted device without outside environment influence, does not need manual interference, can uniquely identify passengers, improves the precision and the efficiency of the acquired public traffic passenger flow information, can be realized by a radio frequency technique at the same time and has lower use cost.
Owner:DATANG SOFTWARE TECH

Distribution box capable of automatically dissipating heat

The invention relates to the technical field of electrical accessories, in particular to a distribution box capable of automatically dissipating heat. The distribution box comprises a box body and a box cover on the box body, a fan is arranged in the box body, and a plurality of heat dissipation holes protruding from the surface of the box cover are formed in the position, close to a heat source,of the box cover; each heat dissipation hole is provided with a fixing plate and a moving plate capable of automatically returning, an electromagnet is fixed to the side, toward the inner wall of thecorresponding heat dissipation hole, of each moving plate, an air bag is fixed to the inner wall of each heat dissipation hole, and an iron block attracting the corresponding electromagnet during heating expansion of the air bag is fixed to the air bag; an infrared emitter and an infrared receiver which can be covered by the corresponding moving plate are arranged on the inner wall of each heat dissipation hole, and each infrared receiver is used for receiving the infrared rays of the corresponding infrared emitter; the distribution box further comprises a controller, and the controller is used for controlling the fan to improve the rotational speed based on the signals of the infrared receivers. According to the distribution box, while the moving plates are adsorbed to the air bags to enlarge the heat dissipation holes, increase of the rotational speed of the fan is controlled to accelerate heat dissipation, and more heat is conducted out of the distribution box with the air by the enlargement of the heat dissipation holes, so that the heat dissipation effect is better.
Owner:广东智信电气有限公司

Solar automatic drip irrigation system and control method thereof

InactiveCN102232354AEfficient use ofSave the trouble of manpower carrying waterClimate change adaptationWatering devicesGrowth plantDrip irrigation
The invention relates to a solar automatic drip irrigation system which comprises a solar photovoltaic component, a water supply and storage mechanism, an automatic water control mechanism and an automatic water supply mechanism, wherein the solar photovoltaic component is respectively connected with the water supply and storage mechanism and the automatic water supply mechanism for providing working power supplies for the water supply and storage mechanism and the automatic water supply mechanism; the water supply mechanism is connected with the automatic water control mechanism; and the automatic water control mechanism is used for controlling the water supply mechanism to begin to and stop supplying water. The system provided by the invention can be arranged in dry places such as desert and the like; each drip irrigation tap is correspondingly arranged above one plant; the plant is automatically irrigated through detection and control of the whole solar automatic drip irrigation system; the working condition of the whole system is controlled according to the water content in air; the switching of the water supply tap is controlled according to the water content on the surface of soil; the whole system is not manually controlled and has the advantages of environmental friendliness and energy saving; and the system has low cost, omits the trouble of manual irrigation of the plant and ensures enough water required for plant growth.
Owner:SHANGHAI SHIGEN ENVIRONMENTAL DESIGN ENG

Multi-carrier air-conditioning infrared signal self-learning controller and method thereof

The invention relates to a multi-carrier air-conditioning infrared signal self-learning controller and a method of the controller. The multi-carrier air-conditioning infrared signal self-learning controller comprises an MCU (Microprogrammed Control Unit) module, a plurality of infrared integrated receiving tubes, four input and gates, an EEPROM (Electronically Erasable Programmable Read-Only Memory) storage unit, a serial port communication unit, a key unit and an infrared transmission unit, wherein the four input and gates, the EEPROM storage unit, the serial port communication unit, the key unit and the infrared transmission unit are all connected with the MCU module; and each infrared integrated receiving tube is respectively connected with the four input and gates and the MCU module. The controller has the beneficial effects that the controller is in a sleeping state at ordinary times and is less in power consumption; infrared remote control signals can cause the external interrupt of a main control microprocessor, so that the main control microprocessor is in a self-learning state; and the infrared integrated receiving tubes are integrated, the crosstalk demodulation of a plurality of carrier encoded signals is realized, and learned carrier frequency bands are accurately distinguished, memorized and duplicated to achieve the purpose of remotely learning the multi-carrier air-conditioning infrared remote control signals.
Owner:SUZHOU ZHIDIE TECH
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