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201results about How to "With control function" patented technology

Simulation system of loading and unloading operation processes in pressurized water reactor nuclear power plants

The invention relates to a simulation system of loading and unloading operation processes in pressurized water reactor (PWR) nuclear power plants. The system comprises an LED (light emitting diode) display screen, a touch screen, an operation control table consisting of a component part consisting of a button, a switch, an operating rod, an indicator lamp and an alarm, an information communication and processing device consisting of a programmable logic controller PLC (programmable logic controller) and a PC graphic workstation, a display device consisting of a scene display and a camera, and an industrial personal computer. The simulation system of the loading and unloading operation processes is designed in strict accordance with functions of real loading and unloading machines, is featured with rich simulated objects, reliable simulation data and strong reality, simulates various common abnormal states or failure states, allows interactive operation, clears faults and has a component showing function; the touch screen has an interface control function; the system simplifies layout of an operation table, expands subsequent functions, effectively trains loading and unloading operators and is widely applied to nuclear power stations and related analogue simulation systems.
Owner:STATE NUCLEAR POWER PLANT SERVICE

Earphone system and control method with automatic sensing detection and control functions

The invention discloses an earphone system and a control method with automatic sensing detection and control functions. The earphone system comprises a control unit, an electronic sensing and detecting unit and a signal processing unit, wherein the electronic sensing and detecting unit is used for automatically sensing and detecting the wearing state of an earphone, a detecting signal is correspondingly generated and sent to the signal processing unit, the signal processing unit is used for receiving a detecting signal sent by the electronic sensing and detecting unit, processing and converting the detecting signal into a signal capable of being identified by the control unit and sending the signal to the control unit, and after the control unit receives the signal processed by the signal processing unit, a control instruction is generated and sent to an earphone main body circuit unit. The electronic sensing and detecting unit in the earphone system with the automatic sensing detection and control functions is a non-mechanical type switch, can automatically sense and detect the wearing state of the earphone with the head of the human body directly serving as a target, and the problems of misjudgment of a mechanical switch and poor precision are solves. The earphone system is convenient to use and truly achieves the energy saving aim.
Owner:QINGDAO GOERTEK

Service robot cloud platform interface system based on SOA and working method thereof

ActiveCN105872094AServices are independent of each otherWith control functionTransmissionInterface layerRequirements analysis
The invention discloses a service robot cloud platform interface system based on SOA and a working method thereof. The system comprises a service layer, an SOA interface layer and an application layer. The service layer issues a service request to the SOA interface layer, the SOA interface layer carries out corresponding service querying and scheduling according to the service request, service agent and remote procedure call are achieved, and the application layer provides coarse grain service based on calling of the SOA interface layer, and meanwhile provides service feedback and log interfaces for the SOA interface layer. According to the development situation of a robot and the using character of a current robot, in the design process of cloud computation, the requirements of a mobile client and robot developers are considered, requirement analysis is carried out on a cloud calculating platform, the design principle of the SOA is followed, the cloud calculating platform is designed, and service of the robot and service of the could computing platform can be independent from each other.
Owner:山东芯辰人工智能科技有限公司

Composite switch reluctance motor

The invention relates to a mixed switch reluctance motor, belonging to the electric motor field. The invention overcomes the defects that the installation of a winding is difficult, the manufacturing process is comparatively difficult, the space factor is low, and the like due to the structure of the existing switch reluctance motor. In the invention, the mixed switch reluctance motor consists of a stator and a rotor, wherein, the stator is composed of a permanent magnet, an exciting winding and a stator core; an air gap is arranged between the excircle of the rotor core of the rotor and the inner circle of the stator core, the exciting winding is embedded in an tooth socket of the stator core, while the permanent magnet is embedded into the tooth part of the stator core along the axis direction. In the invention, a high-performance tangential magnetizing permanent magnet is used, and the permanent magnet is embedded into the tooth part of the stator core along the axis direction, thus forming a mixed excitation switch reluctance motor; compared with the existing mixed excitation switch reluctance motor, the motor in the invention has unchanged number of permanent magnets and increased usable area of the stator groove winding, thus improving the performance and volume ratio and the performance and weight ratio of the motor of the invention, reducing cost and simplifying manufacturing process. The motor of the invention can be used as an electric motor and an electric generator.
Owner:HARBIN INST OF TECH

System for testing abnormal interruption of wireless communication module and application method thereof

The invention discloses a system for testing abnormal interruption of a wireless communication module and an application method thereof. The system comprises a wireless integrated tester, the wireless communication module and a first computer and further comprises a second computer which comprises an abnormal interruption test module, the abnormal interruption test module comprises a server module, an instrument control module, an interruption information acquisition module and an analysis module, the analysis module is used for locating the response state of the wireless communication module according to the operation information of the server module, operating parameters of the wireless integrated tester from the instrument control module and operation information of the wireless communication module from the interruption information acquisition module. According to the system, abnormal interruption of the wireless communication module can be tested effectively and rapidly.
Owner:SIMCOM WIRELESS SOLUTIONS SHANGHAI

Process for preparing poly-lacti acid

The polylactic acid preparing process includes injecting material mixture comprising lactic acid pre-polymer, tin chloride or alkyl compound as catalyst and phosphorous acid or triphenyl phosphoric acid as stabilizer into preheated double screw extruder with length / diameter ratio over 40; and continuous kneading and extruding reaction at four temperature sections with the third and the fourth sections being in 0.005-0006 MPa pressure and connected with a volatile eliminating device and having certain amount of hydrogen as molecular weight regulator injected continuously. The reaction period is 5-30 min. The said process has the advantages of once completion of all the reactions, high molecular weight of the produced polylactic acid and lowered production cost.
Owner:CHENDU NEW KELI CHEM SCI CO LTD

Method of adjusting smart home automatically, and system

Embodiments of the present invention disclose a method of adjusting a smart home automatically, and a system. The method comprises the steps that a mobile terminal is verified by a smart home gateway through encryption and decryption of a fingerprint password and joins a smart home network, and establishes a wireless connection with a smart home controller; a monitor camera monitors a face image of a user, analyzes a current expression of the user and sends the current expression to the smart home controller, so as to enable the smart home controller to start a corresponding smart home device according to an analysis result and adjust a working state of the corresponding smart home device; the monitor camera analyzes a smart home device to which the sight of the user points, and sends identifier information of the smart home device obtained through analysis to the smart home controller; the mobile terminal generates a control order according to an operation of knocking a preset position of the mobile terminal by the user and sends the control order to the smart home controller; and the smart home controller controls corresponding smart home device according to the identifier information and the control order. Through adoption of the method of adjusting the smart home automatically, the smart home system is more intelligent and the smart home device is controlled more conveniently.
Owner:SHENZHEN ZHILE TECH LTD CO

Clamping force controllable electric three-jaw chuck

InactiveCN108817431AWith pinch perceptionWith control functionChucksGear wheelMechanical equipment
The invention discloses a clamping force controllable electric three-jaw chuck, and relates to the technical field of mechanical equipment. The clamping force controllable electric three-jaw chuck comprises a chuck main body, the inner surface of the chuck main body is in rotating fit with a toothed disc, and the inner surface of the chuck main body is in sliding fit with clamping jaws, toothed disc teeth are meshed with clamping jaw teeth, and the inner surface of the chuck main body is fixedly provided with a motor. A motor output shaft is fixedly provided with a bevel gear, bevel gear teethare meshed with the toothed disc teeth, a PLC controller is fixed on the inner surface of the chuck main body, a knob switch is fixed on the surface of the chuck main body, a button switch is fixed on the surface of the chuck main body, and a power supply box is fixed on the inner surface of the chuck main body. Pressure sensors are installed on the clamping jaws, the three-jaw chuck has functions of clamping force interception and control by means of the PLC controller matched with the knob switch and the button switch, the sensitivity and the practicality of the three-jaw chuck are improved, and the three-jaw chuck is convenient to use, has high safety and reduces the part damage probability.
Owner:芜湖新尚捷智能信息科技有限公司

Tracking toy

The invention discloses a tracking toy. The tracking toy comprises a driving unit, a vision unit and a main control unit, wherein the vision unit is used for acquiring an image including an object to be tracked, and the main control unit is used for analyzing the motion state of the object to be tracked according to the image and controlling the driving unit to carry out tracking. The tracking toy has a good automatic tracking function.
Owner:SHENZHEN TAISHAN SPORTS TECH CO LTD

Electromagnetic space regulation and control system formed by transparent metasurface and application thereof

PendingCN112038777AOptimize channel performanceImprove transmission rate and communication qualityAntenna supports/mountingsAntenna adaptation in movable bodiesPhysicsThin membrane
The invention discloses an electromagnetic space regulation and control system formed by a transparent metasurface. The electromagnetic space regulation and control system comprises at least one transparent metasurface, at least one driving and control module and a self-adaptive regulation and control processor, wherein the transparent metasurface is formed by periodically or aperiodically arranging a plurality of metamaterial units; each metamaterial unit is of a light-permeable structure at least formed by compositing an upper transparent film functional layer, a transparent substrate and alower transparent film functional layer in a single-layer or multi-layer mode; the driving and control module drives and controls an electric regulation and control element to realize a function of regulating and controlling parameters such as electromagnetic wave amplitude, phase, frequency, polarization and the like by the transparent metasurface; and the self-adaptive regulation and control processor realizes a strategy and a method of self-adaptive regulation and control and cooperative processing, and even trains and optimizes the strategy and the method. According to the electromagneticspace regulation and control system based on the transparent metasurface, indoor coverage optimization and outdoor wireless transmission optimization can be achieved.
Owner:JIANGSU EMETASPACE TECH CO LTD

Method and system for visitor to control smart home

An embodiment of the invention discloses a method and system for a visitor to control smart home. The method comprises the following steps: a smart home central server receives a device connection request input by the visitor, and sends an access password to a mobile terminal of the visitor after the request is approved by a house owner to establish wireless connection with the mobile terminal of the visitor; a monitoring camera monitors a face image of the visitor and identifies the identity of the visitor, and if the visitor is a valid user, analyzes the smart home device directed by the line of sight of the visitor and sends identification information of the smart home device obtained through analysis to the smart home central server; the mobile terminal generates a control command according to the operation that the visitor touches a preset position of the mobile terminal, and sends the control command to the smart home central server; and the smart home central server controls the corresponding smart home device according to the identification information of the smart home device and the control command. The method and system for the visitor to control the smart home can improve convenience in controlling the smart home devices of the visitors.
Owner:SHENZHEN ZHILE TECH LTD CO

Mobile numerical control model vehicle

The invention discloses a mobile numerical control model vehicle comprising a vehicle body platform. At least one electromagnetic actuator for applying assigned exciting load on the model vehicle is fixedly connected to the vehicle body platform, MIMO (multiple-input multiple-output) closed-loop control equipment for vibration control of the electromagnetic actuators is connected to the input end of each electromagnetic actuator, a force sensor and / or an acceleration sensor for feeding back sensed exciting force signals and acceleration signals to the MIMO closed-loop control equipment is connected to the output end of each electromagnetic actuator, and the MIMO closed-loop control equipment corrects vibration control signals outputted by the MIMO closed-loop control equipment to the electromagnetic actuators according to differences obtained by comparing the fed exciting signals with expected signals. The mobile numerical control model vehicle has the advantages that the model vehicle is provided with the electromagnetic actuators adopting closed-loop control and is capable of setting the actuators according to users' needs and simulating power load generated during actual operation of vehicles to enable simulation to be more approximate to the real situation; the model vehicle body platform has a control function.
Owner:CENT SOUTH UNIV

Fan coil metering control apparatus and heat metering method

The invention provides a fan coil gauge control device and heat gauge method, which consists of temperature controller and meter reader. The temperature controller is fixed in the fan coil air-conditioning room, whose input end connects the temperature sensor and the output end connects fan coil high-medium-low controller by communication interface and meter reader, which comprises the following steps: 1) checking high-medium-low working heat value or cold value which sets in the temperature controller by contrasting product introduction; 2) gauging working program of temperature controller by present marking; 3) reading each fan coil heat equivalent which provides date individually after the heating or refrigerating season.
Owner:LIAONING HUANJIA HIGH TECH ENERGY SAVING TECH ENG

Virtual proprietary organization platform system and method thereof

The invention discloses a virtual proprietary organization platform system and a method thereof. The virtual proprietary organization platform system consists of a system server, a system management platform, an organization management platform and a member terminal, which are connected by networks. Through the method of the system management platform and the organization management platform authorizing the authentication and management of the virtual proprietary organization on the system server and the method of the organization management platform uniformly configuring and deploying the virtual proprietary organization member terminal safety strategy, the invention flexibly establishes N virtual proprietary organization systems on various networks for protecting the access security, storage safety and transfer security of the organization proprietary information, thus technically protecting the electronic information assets of the virtual proprietary organizations.
Owner:北京安高科技有限公司

Double-concentric controllable-speed cutter using abrasive jets

InactiveCN105003221AImprove Jet Cutting EfficiencyWith rotation functionBorehole/well accessoriesOffset distanceSpray nozzle
The invention discloses a double-concentric controllable-speed cutter using abrasive jets and solves the problem that an existing cutter is complex in structure and difficult to process. The cutter comprises a cutting nozzle, eccentric spouts, a main mandrel, an outer shell, a friction speed-limiting ring, and a pneumatic shell. The cutter is characterized in that the a pore axis of each spout mounting channel is mutually perpendicular to the axis of the cutting nozzle and has an offset distance e relative to the cutting nozzle, and an axis of a straight cylindrical segment of a pore of each spout and the axis thereof intersect to form an eccentric angle alpha; the main mandrel and the pneumatic shell are provided with corresponding sector openings, respectively, so that flow area is periodically changed during a rotation of the main mandrel, pressure is periodically changed, and speed monitoring is achieved; in addition, whether to mount the friction speed-limiting ring or not and whether to use the eccentric spouts to precisely control nozzle speed or not can be selected according to different displacements. The cutter is available for cutting in a string having an inner diameter 62mm and is controllable in speed, high in cutting efficiency, low in manufacturing cost and simple in structure.
Owner:NORTHEAST GASOLINEEUM UNIV

Intelligent temperature controller applied to heating and ventilation charging and load optimizing energy saving system

The invention discloses an intelligent temperature controller applied to a heating and ventilation charging and load optimizing energy saving system. The temperature controller comprises a central control module, a temperature detection module, a humidity detection module, a network interface module, an output control module and a human traffic monitoring module, wherein the temperature detection module, the humidity detection module and the human traffic monitoring module are connected to the central control module respectively, the network interface module is connected to the central control module, and the central control module is used for outputting control signals to the output control module and controlling an executor to work through the output control module. The temperature controller disclosed by the invention has a detection function and a function of controlling a passage, so that the function is diverse. After the temperature controller is adopted, not only is great energy saving and economic benefit brought for states, heat consumers and heat-supply enterprises, but also an important function is played on reducing the pollution to the environment.
Owner:SHENZHEN GUANGNING IND CO LTD

Linkage device for AC two-wire type solid state switch

The invention pertains to a subsequent invention which is an expansion of the document contents of Chinese invention patents ZL94112284.0 and ZL94114032.6, and that of an American patent US5831349. The invention relates to the technic proposals of a plurality of linkage devices of AC double-lined solid switches. The AC double-lined solid switches of the linkage devices have to be AC double-lined switches of non-contact switching type which are used in the main circuit in the three patents, therefore, the AC double-lined solid switches in the brochure are the AC double-lined switches of the non-contact switching type which are used in the main circuit of the three patents. The invention aims to enable a plurality of or numerous AC double-lined solid switches through the technic proposal of being combined into the linkage device to achieve the uniform switching, thereby expanding the application range of the AC double-lined solid switches from single-phase circuits to three-phase circuits, and from the low voltage network to the high voltage network.
Owner:SHANGHAI CHENGJIA ELECTRONICS TECH

FPGA-based radio frequency signal source circuit

The invention discloses an FPGA-based radio frequency signal source circuit. The FPGA-based radio frequency signal source circuit comprises a power supply circuit, an FPGA chip, a working program of the FPGA chip, a DDS chip circuit, a constant-temperature crystal oscillation circuit, a low-pass filter circuit, a radio frequency amplifier, a numerical control attenuator circuit, a clock circuit, an off-chip program storage circuit, a JTAG program unloading and debugging circuit, and an UART serial port circuit. The FPGA-based radio frequency signal source circuit has the characteristics that a single chip integrated DDS chip technology is adopted; the DDS chip is subjected to high-speed control by using the FPGA chip; the work clock of the DDS chip can reach 1 GHz, and the output sinusoidal frequency of the DDS chip can reach 400 MHz; the circuit has a radio frequency output signal power software control function; a radio frequency signal generator circuit can be controlled by external equipment through the UART serial port circuit; the accuracy of a radio frequency output signal is improved by adopting the constant-temperature crystal oscillation circuit; the frequency accuracy is 0.23 Hz; a 14-bit DAC is arranged in the DDS chip.
Owner:TOEC TECH

Nuclear power plant fuel workshop fuel gripping operation technology simulation system

The invention provides a nuclear power plant fuel workshop fuel gripping operation technology simulation system comprising an operation bench, a PLC, a PC graphic workstation, a display module, and an industrial control computer. The operation bench comprises a display screen, a touch screen, and an operation assembly. The operation assembly comprises a button, a switch, a operation rod, an indicating lamp, and an alarming device. The nuclear power plant fuel workshop fuel gripping operation technology simulation system is advantageous in that the completed fuel gripping operation process and the technological flow in the nuclear power plant fuel workshop can be simulated, and the occurrence and the release of various abnormal and fault states can be simulated, and then the auxiliary functions such as key part virtualized display and video recording playback can be additionally provided; and at the same time, the interactive operation can be supported, and the operation staff of the advanced pressurized water reactor nuclear power plant fuel gripping machine can be trained well.
Owner:STATE NUCLEAR POWER PLANT SERVICE

Frequency conversion and energy saving electric control assembly used for new-energy electric passenger vehicle alternating and direct current air conditioning system

The invention discloses a frequency conversion and energy saving electric control assembly used for a new-energy electric passenger vehicle alternating and direct current air conditioning system. The frequency conversion and energy saving electric control assembly is provided with a compressor frequency converter, a power converter, a vehicle-mounted power double-security wire holder, a deconcentrator, a wiring terminal strip and a PLC. The output side of the PLC is connected with a control terminal interface on the compressor frequency converter. The input side of the PLC acquires pressure protection information, temperature information, compressor thermal protection information and frequency converter fault acquisition information in the electric air conditioning system. The compressor frequency converter is electrically connected with the deconcentrator and a compressor. The frequency conversion and energy saving electric control assembly has the beneficial effects that the assembly is provided with the PLC and has the function of communicating with a whole vehicle CAN, the function of automatic frequency conversion control over the compressor, the function of automatic speed adjustment control over a draught fan and the function of control over heating of a heat pump and heating of a PTC, and the assembly is suitable for conducting frequency conversion control on the electric air conditioning system of the alternating current compressor and the direct current draught fan and capable of being applied to the air conditioning system of an electric passenger vehicle with the length ranging from 7 m to 12 m.
Owner:荆州市楚泰新能源科技有限公司

Optical fiber and control core composite type cable for wind power generation

The invention discloses an optical fiber and control core composite type cable for wind power generation. The optical fiber and control core composite type cable for the wind power generation comprises a cable core, a packing layer is arranged in a gap position of the cable core, an inner protective sleeve wraps the outer portion of the cable core in a pressing mode, high-strength aramid yarns are woven outside the inner protective sleeve, and an outer protective sleeve wraps the outmost layer of the cable core. The cable core is composed of an optical fiber unit which is placed in the center of the cable core, four electric power transmission line cores and four control cable cores in a twisting mode. The optical fiber and control core composite type cable for the wind power generation is mainly used in a wind power generator tower and used for controlling electric power transmission of a generator, signal transmission of the generator and devices. The optical fiber and control core composite type cable for the wind power generation not only integrates electric power transmission, signal transmission and circuit control, but also has low temperature resistance, distortion resistance, cracking resistance, and a strong tensile property.
Owner:JIANGSU ZHONGMEI CABLE

Mevalonate kinase gene in synthetic route of ginkgo terpene lactones, encoded protein and application thereof

The invention discloses a mevalonate kinase gene in the synthetic route of ginkgo terpene lactones, an encoded protein and application thereof. The invention discloses a nucleotide sequence of the gene and the gene encoded protein sequence. Tissue expression analysis shows that ginkgo biloba mevalonate kinase gene has the highest expression in leaves and significantly low expression in flowering organs. The yeast functional complementation of the ginkgo biloba mevalonate kinase gene verifies that the ginkgo biloba mevalonate kinase gene encoded protein has the enzymatic activity of mevalonatekinase and plays a catalytic role in the synthetic route of terpene lactones. Exogenous hormone methyl jasmonate and salicylic acid are employed to treat ginkgo biloba plants, the expression of ginkgobiloba mevalonate kinase gene and the content of terpene lactones are both increased. The ginkgo biloba mevalonate kinase gene provided by the invention is in positive correlation with the content ofterpene lactones in the synthetic route of ginkgo terpene lactones, and over-expression of the gene can improve the content of terpene lactones in ginkgo biloba.
Owner:YANGTZE UNIVERSITY

Control method and system based on mobile terminal

The embodiments of the invention disclose a control method and system based on a mobile terminal. The method comprises the following steps: the mobile terminal sending a connection request to an intelligent household center server, and establishing wireless connection; a monitoring pick-up head monitoring a user face image, analyzing an intelligent household device directed by a user line of sight, and sending identification information of the intelligent household device, obtained through analysis to the intelligent household center server; the mobile terminal, according to operation of a user in clicking a preset position of the mobile terminal after pressing a volume adjustment button of the mobile terminal, generating a control command, and sending the control command to the intelligent household center server; and the intelligent household center server, according to the identification information of the intelligent household device, sent by the monitoring pick-up head and the control command sent by the mobile terminal, controlling the corresponding intelligent household device. By use of the method and system provided by the invention, the control convenience of the intelligent household device can be improved.
Owner:SHENZHEN ZHILE TECH LTD CO

Mobile-terminal-based visitor control method and system

The embodiment of the invention discloses a mobile-terminal-based visitor control method and system. The method comprises: an intelligent household center server receives a device connection request inputted by a visitor, sends an access command to a mobile terminal of the visitor after agreement of a resident, and establishes wireless connection with the mobile terminal of the visitor; a monitoring camera monitors a face image of the visitor and identifies the identity of the visitor; if the visitor is a legal user, an intelligent household device pointed by the visitor eyesight is analyzed and identifier information, obtained by the analysis, of the intelligent household device is sent to the intelligent household center server; the mobile terminal generates a control command according to an operation of pressing a volume adjusting key and then knocking a preset position of the mobile terminal by the user and sends the control command to the intelligent household center server; and the intelligent household center server controls the corresponding intelligent household device based on the identifier information and the control command. Therefore, convenience for controlling an intelligent household device by a visitor is improved.
Owner:SHENZHEN ZHILE TECH LTD CO

Fermentation control method

The invention provides a fermentation control method which comprises the following steps: placing saccharified wheat juice into a corresponding yeast growing tank; after yeast proliferation, delivering raw material solution into a can body for further fermentation; when the fermentation temperature rises, guiding cooling alcoholic solution into a cooling jacket; when the fermentation degree of the appearance is 60%, closing a jacket cooling agent valve and raising the temperature naturally for bi-diethylstilbestrol reduction; after temperature rise, starting to seal a can for boosting and then fermenting; when the fermentation degree of the appearance is 65%, raising the temperature according to the preset rate; eliminating yeast for the first time and maintaining a certain pressure and temperature; emptying the yeast and filtering, so as to complete beer fermentation, wherein in the fermentation process, a temperature control module and a pressure control module are used for controlling temperature and pressure. The method provided by the invention is automatically controlled by a computer, the control method is flexible, the quality of beer is improved, the fermentation period is shortened, the system is stable and reliable, and the maintenance management is convenient.
Owner:广州百兴网络科技有限公司

Office table with control function

The invention discloses an office table with a control function. The office table comprises a top plate and first rotating shafts, the first rotating shafts are installed at the four corners of the bottom of the top plate, sliding plates are installed at the bottoms of sliding tracks, sliding blocks are installed at the four corners of the top of each sliding plate, the sliding blocks penetrate through the sliding tracks, top rods are connected with the sliding plates through third rotating shafts, nuts are installed on the outer walls of the left bottoms of the sliding plates, bolts are installed in inner cavities of the nuts, and the bolts penetrate through the sliding plates and clamping grooves in sequence. According to the office table with a control function, first stand columns andsecond stand columns can be connected in a clamped mode through insertion blocks to be fixed, and thus the top plate is prevented from toppling; the first stand columns can be raised by screwing screwrods, the angle of the top plate is changed, and thus the top plate is more stable; the top rods can change in cooperation with the angle of the top plate through cooperation of the sliding tracks and the sliding blocks, and then fixing is conducted, so that the applicability of the table is improved, the demands of workers are met, and convenience is brought to office work.
Owner:芜湖琅格信息技术有限公司

Method and system for controlling smart home by visitor

The embodiment of the invention discloses a method and a system for controlling smart home by a visitor. The method comprises the following steps: a mobile terminal of the visitor initiates an access request to a smart home gateway by virtue of identity information of the visitor, and the mobile terminal joins a smart home network after permission of an owner; the mobile terminal establishes a wireless connection with a smart home controller; a monitoring camera monitors a face image of the visitor, recognizes the identity of the visitor, further analyzes smart home equipment to which the sight line of the visitor points if the visitor is a legal user, and sends identification information, obtained by analysis, of the smart home equipment to the smart home controller; the mobile terminal generates a control command according to the operation of the visitor of knocking at a preset position of the mobile terminal, and sends the control command to the smart home controller; the smart home controller controls the corresponding smart home equipment according to the identification information of the smart home equipment and the control command. According to the method and the system, convenience for control of the visitor over the smart home equipment can be improved.
Owner:SHENZHEN ZHILE TECH LTD CO

Mine draining pump control system

The invention discloses a mine draining pump control system. The mine draining pump control system comprises a control module, an execution module and a power supply module, wherein the execution module comprises a water pump, a motor and a valve group; the water pump is provided with an evacuating device; the valve group is connected with the water pump; the control module comprises a programmable logic controller, an on-off input module, an analog input module, a communication module and an on-off output module, in-place signals of an electric ball valve and an electric gate valve and operation state signals of a draining pump and the evacuating device are transmitted to the programmable logic controller through the on-off input module; a pressure signal of a water pump outlet and a vacuum degree signal of the water pump are transmitted to the programmable logic controller through the analog input module; temperature signals of a water pump bearing and a motor bearing and an outlet flow rate signal of a water pump draining pipe are transmitted to the programmable logic controller through the communication module. Important information of the water pump is intuitively displayed by a display screen, the water pump is automatically controlled according to preset parameters, the accuracy of obtained data is high, and the safety factor of the system is improved.
Owner:徐州圣能科技有限公司

An air quality detector

An air quality detector is disclosed. The air quality detector includes a shell. The shell is provided with a display screen. A first induction button is displayed on the display screen. A plurality of sensors, a breather pipe and a draught fan are disposed in the shell. Gas is inhaled into the breather pipe through the draught fan, conveyed to the sensors and detected, and after detection is finished, the gas is conveyed outside the shell. Through touching the first induction button on the display screen, command information is transmitted to the sensors through the first induction button, and the sensors transmit detection data to the display screen. The sensors include a PM detection sensor, a coal gas detection sensor, an oxygen concentration detection sensor, a smoke detection sensor, a formaldehyde detection sensor and a humidity and temperature detection sensor. A second induction button is displayed on the display screen and is electrically connected to an inductor. The inductor can be connected to a home network wifi, and is connected to an air cleaner control terminal through wireless transmission. The air quality detector is allowed to have diversified functions and higher practicality.
Owner:ZHEJIANG LVDUN ENVIRONMENTAL PROTECTION TECH CO LTD

Insulation oil impurity particle motion characteristic measurement system and method

The invention relates to an insulation oil impurity particle motion characteristic measurement system and belongs to the electrical performance evaluation and fault diagnosis field of super-high voltage oil-paper insulation electrical equipment insulation oil. The system comprises a power source module, an electrode module, a temperature control module, an image acquisition module and a current acquisition module, wherein the power source module is connected with the electrode module, the electrode module is arranged in the temperature control module, the temperature control module is used foradjusting the temperature of the electrode module, the image acquisition module is used for acquiring the image information in the measurement process, and the current acquisition module is used formeasuring the current flowing through the electrode module in the voltage boosting and voltage reducing process. The system is advantaged in that measurement of insulation oil impurity particle motioncharacteristics of the insulation oil of the super-high voltage AC and DC oil-paper insulation equipment under the equipment operation temperature is realized, and analysis on influence of impurity particles on insulation oil insulation performance is satisfied.
Owner:CHONGQING UNIV
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