55results about How to "Suitable for different applications" patented technology

The invention relates to an antibacterium nano fiber material and a preparation method thereof; the material comprises polymer superfine fiber and antibacterial agent, and the weight ratio is 60 to 98: 2 to 40; the preparation method comprises the following steps: (1) the antibacterial agent is dissolved in distilled water to prepare solution; the polymer superfine fiber is dissolved in methylene dichloride or chloroform organic solvent, emulsifier is added to be mixed evenly, to obtain solution which is dispersed evenly; (2) the two types of solution are mixed to obtain even water-in-oil W / O latex, and then electrostatic spinning is conducted to the latex, to obtain the antibacterium nano fiber material. The nano fiber material has good ventilation property and filterability, still has bacteriostasis and sterilization functions for a long time after stably releasing the antibacterial agent, has simple preparation method, adopts the biodegradable and bioabsorbable polymer as carrier materials, can be absorbed by the human body after fully releasing, is not left, does not need secondary operation and has no side effect.

A refrigerator based on micro-channel regenerative heat exchange technology and Joule-Thomson effect is machined by the aid of atomic diffusion fusion welding technology and comprises an inlet-outlet portion, a regenerative heat exchange portion, a throttling portion and an evaporating cavity. The inlet-outlet portion is provided with an inlet and an outlet, the regenerative heat exchange portion comprises at least one high-temperature layer and at least one low-temperature layer which are pairwise adjacent, each layer is provided with at least one channel, high-temperature and high-pressure gas enters the channels of the high-temperature layers from the inlet, then enters the throttling portion and is cooled in a throttling manner once, and then the high-temperature and high-pressure gas flows to the evaporating cavity with a large space and accordingly is cooled in the throttling manner again. Owing to throttling and cooling, part of the gas is condensed into liquid, the rest gas is low-temperature and low-pressure gas, the liquid and the low-temperature and low-pressure gas are mixed together to form a low-temperature and low-pressure gas liquid mixture, the evaporating cavity keeps the low temperature by the aid of the low-temperature and low-pressure gas liquid mixture, a high-temperature device connected with the evaporating cavity is cooled by the evaporating cavity, and the gas in the evaporating cavity reflows into the channels of the low-temperature layers and is discharged from the outlet after exchanging heat with the high-temperature and high-pressure gas in the channels of the high-temperature layers adjacent to the low-temperature layers.

The invention discloses a security protection patrol robot, which comprises a chassis, and a cameral holder, a transmitting mechanism, a laser sighting device, an MCU main control circuit board, a wireless communication module, an image wireless transmission device, an image acquisition and processing system, a line patrol module, a power supply module and a power system which are carried on the chassis, wherein the chassis comprises a chassis main board, reinforcing ribs, shock absorption mechanisms and anti-collision mechanisms; the chassis main board serves as a main body, and four corners of the chassis main board are provided with suspending plates; the shock absorption mechanisms are formed by fixing springs between the chassis main board and the suspending plates by means of spring connectors; the anti-collision mechanisms are formed by fixing rigid anti-collision welded steel frames on the suspending plates by means of bolts and nuts; and the number of the shock absorption mechanisms is four, the number of the anti-collision mechanisms is four, and the shock absorption mechanisms and the anti-collision mechanisms are distributed at four corners of the suspending plates. The security protection patrol robot can replace the function of security personnel partially, and has high practical value in assisting people to complete the security protection patrol operation in daily lift.

The invention provides a high-speed ADC (Analog to Digital Converter) sampled data receiving and buffering method and system based on an FPGA (Field Programmable Gate Array). The system mainly comprises a data receiving delay unit, a data speed-down unit, a clock receiving delay unit, a clock processing unit, a data combination storage unit and a control unit. Inside the FPGA, the data speed-down unit is used for lowering the speed of a data signal, a clock signal uses double-edge latch data, and the data delay unit is used for performing delay adjustment on a plurality of pairs of data signals, so that simultaneous hop of the pairs of data signals is ensured; the hop edge of the clock signal is positioned in the center of the data signal; the data combination unit is used for combining and arranging widened and slowed-down data to recover practical waveform data; the practical waveform data is stored in the data storage unit. By adopting the method and the system, a plurality of paths of data signals and clock signals accompanying the data can be received simultaneously, and the functions of circular storage, pre-trigger recording, sequential read-out and the like of the data signal are realized.

A balanced bridge comprises an input signal source, a reference impedance, an impedance to be tested, a bridge balancing module and a balance control module. The reference impedance is serially connected with the impedance to be tested and connected with the input signal source and is used for obtaining current vectors. The bridge balancing module comprises a reference impedance current extraction unit and an impedance to be tested current extraction unit and is used for providing bridge output pressure for the balance control module. The reference impedance current extraction unit is coupled to two ends of the reference impedance, the impedance to be tested current extraction unit is coupled to two ends of the impedance to be tested, and an output port of the bridge balancing module is an output port of bridge output pressure. The balance control module comprises a pressure detection module, a feedback circuit module and a single chip microcomputer, wherein one end of the pressure detection module is connected with the output port of bridge output pressure, the other end of the pressure detection module is connected with the single chip microcomputer, the other end of the single chip microcomputer is connected with the feedback circuit module, and the feedback circuit module is coupled to the impedance to be tested current extraction unit.

The invention relates to the technical field of batteries, in particular to a battery heating system. The system is integrated by two sub-systems, namely a heating system branch and a battery pack system branch, wherein the battery pack system branch comprises a battery pack and a plurality of relays; the battery pack comprises a plurality of battery modules and a heating sub-system; the heating sub-system comprises a plurality of heaters; each battery module is provided with at least one heater; and the heaters are arranged on the bottom surfaces or the side surfaces of the battery modules. The battery heating system can meet two requirements of driving heating and parking charging heating and can provide multi-mode experience for a user; the installation positions of the heaters are diverse; the battery heating system is simple and convenient to assemble, suitable for different applications, diverse in line connection mode and simple in line connection; and the temperature non-uniformity of the battery pack caused by heating can be effectively reduced.

The invention discloses a method and system for achieving file access security authority management through a smart card and a file access method and device. The method includes the steps that an authority control file is built in a DF, and all records in the authority control file respectively correspond to EFs in the DF; each record is used for recording the access authority of the corresponding EF, and the access authority of each EF refers to the logical relation of a secret key; the recording number of each record is written into the file header of the corresponding EF. The records in the authority control file are used for saving the access authority of the EFs, and therefore the access authority can be determined according to one record, the problem that the file access authority can be obtained only when a plurality of secret keys with any complex 'and' 'or' combination relation need to be authorized is solved, and more secret keys can be used.

The invention provides a preparing method of an elastic degradable biomedical material. The method is characterized by comprising the steps of synthesizing POC elastomer through melt phase polycondensation of octamethylene glycol and citric acid, mixing POC elastomer and biological degradable polymer, and dissolving in solvent to obtain spinning solution, conducting electrostatic spinning with an electrostatic spinning device, and preparing the elastic degradable biomedical material. The elastic degradable biomedical material has the advantages of no toxicity, controllable degradation rate, good breaking strength, elasticity and the like.

The invention discloses a vernier effect based tunable microfiber laser and a production method thereof. The laser comprises a semiconductor pump laser (1), an active microfiber cascade resonance structure (3) and a spectrum analyzer (5). Pump laser light emitted from the semiconductor pump laser (1) is coupled into the active microfiber cascade resonance structure (3) through a first micro-nanofiber (2), and laser light generated by the active microfiber cascade resonance structure (3) is coupled through a second micro-nanofiber (2) to enter the spectrum analyzer (5). The microfiber laser has tenability, can monitor changes of external environment parameters (such as temperature and refractive index strain), and has the advantages of small size, compact structure, flexible design and the like, thereby being capable of meeting application requirements in different fields of curing material monitoring, environmental pollution monitoring such as gas and soil, biomedical detection and the like.

The invention relates to a method for preparing mineral particles (p) from mineral particle precursors, said method comprising a step (E) that comprises injecting a fluid medium (F) containing said precursors in solution and / or dispersed in a solvent in a reactor containing CO2 at a supercritical state using an injection nozzle giving into an area where the supercritical CO2 is at a temperature higher than or equal to the conversion temperature of the precursors into corresponding mineral species, the invention also relates to particles (p) obtained according to the method and to the use thereof.

The embodiment of the invention provides a touch sensing device. The touch sensing device comprises a substrate and a sensor array which is arranged on the substrate, wherein the sensor array comprises a plurality of sensor units, each sensor unit comprises an infrared ray light emitting diode and an infrared ray sensing thin film transistor, the infrared ray light emitting diode is configured to emit infrared rays, the infrared ray sensing thin film transistor is configured to detect the infrared rays emitted by the infrared ray light emitting diode and reflected by the user so as to generate current signals, and the current signals can indicate the data of the user body. The accuracy of sensing data can be improved by adopting the touch sensing device. In addition, the embodiment of the invention also provides a mobile device comprising the touch sensing device and a display device, wherein the touch sensing device is arranged at the back side of the mobile device, and the display device is arranged at the front side of the mobile device and is configured to display data of the user body.

An intelligent energy-saving socket, comprising a power output jack on the socket and a power input end for supplying power to the socket, characterized in that: the power output jack includes a main control jack and at least one controlled jack, so The socket is equipped with an intelligent control module and a control circuit. The input terminal of the intelligent control module is electrically connected to the main control jack and samples the working status of the main control jack. The intelligent control module processes and analyzes the sampling signal to generate a corresponding The control signal is sent to the control circuit, and the output terminal of the control circuit is electrically connected to the controlled socket and controls the power supply state of the controlled socket according to the control signal corresponding to the sampling signal. In the intelligent power-saving socket of the present invention, its intelligent control module can sample the working state of the main control socket in real time, and control the power supply state of the controlled socket according to the sampling signal, so as to realize high efficiency and energy saving. In addition, when the socket cuts off the power supply of the slave device, it can greatly eliminate the electromagnetic radiation generated by the slave device and protect the health of the user.

The invention discloses an integrated oxygen supply valve. A valve body, a valve cover, a filling module, a flow adjusting module and a pulse oxygen supply module are included, wherein the filling module, the flow adjusting module and the pulse oxygen supply module are arranged on the valve body and the valve cover. Oxygen in a gas tank is output by the pulse oxygen supply module after passing through the filling module and the flow adjusting module. The pulse oxygen supply module comprises a gas inlet unit, a gas outlet unit and a gas suction unit. The gas inlet unit comprises a sixth gas wayand a seventh gas way which conduct gas inflow from the same gas inlet source. The gas outlet unit comprises a gas outlet outer connector arranged on the valve body, a gas outlet valve plate and a gas outlet cavity. The gas suction unit comprises a gas suction outer connector arranged on the valve cover, a gas suction valve plate and a gas suction cavity, the gas suction valve plate is provided with a gas inlet protruding nozzle communicating with the gas outlet cavity, and a gas inlet membrane for opening and closing the gas inlet protruding nozzle is arranged above the gas inlet protrudingnozzle. An integrated mechanical structure is adopted in the valve, filling operation and usage are simple and convenient, the different-flow requirements can be met, and different-breathing-manner requirements can be met as well.

The invention relates to a heat pipe flue gas waste heat recycling device and a working medium. The heat pipe flue gas waste heat recycling device comprises a steam production tank, a heat pipe assembly and a flue gas channel, wherein the two ends of the heat pipe assembly are hermetically mounted between the flue gas channel and the steam production tank in a penetrating manner; a heat pipe evaporation section is in the flue gas channel; a heat pipe condensation section is in the steam production tank; and a heat exchange pipe is filled with the working medium. According to the heat pipe flue gas waste heat recycling device provided by the invention, the efficient heat pipe is adopted as a heat transfer element, high pressure steam is generated through absorbing flue gas waste heat with relatively high temperature, and high temperature hot water and heated air are used for production and life.

The invention discloses a heat-driven micro-pump experimental device and method for pumping micro-fluid based on micro-fluidic technology in the field of microelectronic mechanical systems. The heat-driven micro-pump is driven by a liquid flowing-in micro-valve, six liquid flowing micro-valves and a liquid flowing-out micro-valve; a liquid inlet pipe, a liquid flow area and a liquid outlet pipe are combined into a whole, temperature sensors are arranged near heating resistors, and are used for detecting the temperature of different positions inside the heat-driven micro-pump in real time and feeding back to a microcontroller, the gas expansion force generated by heating and the deformation between materials are used as driving force, and the liquid is conveyed in the circulating heating mode for each part, so that the conversion between the heat energy and the mechanical energy is realized, the large driving force can be provided, the large diaphragm deformation is obtained under the low driving voltage, the conversion efficiency between the heat energy and the mechanical energy is improved, the stable flow can be provided, and the pulsation phenomenon of the micro-pump is effectively overcome.

The invention provides a detectable and active direction-finding positioning system and a positioning method. The system comprises a detectable module carried by an underground operator and an activedirection-finding positioning module used by a rescuer. The detectable module comprises a passive tag and an antenna, and corresponding personnel information and a unique identification code are written into the detectable module; the active direction-finding positioning module comprises a core control unit, a human-computer interaction unit, an SOS alarm interaction unit, a battery protection unit and a detection antenna, wherein the human-computer interaction unit, the SOS alarm interaction unit, the battery protection unit and the detection antenna are connected with the core control unit;the detection antenna is used for detecting the detectable module and receiving the personnel information and the unique identification code when the detectable module is detected; and the SOS alarm interaction unit is used for giving a prompt when the detectable module is identified. The detectable module can be resistant to metal interference, is small and thin in size, can be embedded into mostof products, and the personnel database information can be recorded; the rescue personnel adjust the detection interval, the search range is narrowed step by step, and accurate positioning of the rescued personnel is achieved.

The invention discloses a gas cylinder type pressure-stabilizing dual-mode oxygen supply device. The gas cylinder type pressure-stabilizing dual-mode oxygen supply device comprises a gas cylinder, a nasal oxygen tube and an integrated valve mounted on the gas cylinder, wherein a nasal suction joint on the nasal oxygen tube is inserted into a nasal cavity of a user; a gas outlet outer joint and a gas suction outer joint of the integrated valve are connected with a gas inlet of the nasal oxygen tube; the integrated valve comprises a valve body, a valve cover, a filling module, a flow regulatingmodule and a pulse oxygen supply module, wherein the filling module, the flow regulating module and the pulse oxygen supply module are mounted on the valve body and the valve cover; oxygen in the gascylinder passes through the filling module and the flow regulating module and then is output by the pulse oxygen supply module; the pulse oxygen supply module comprises a gas inlet unit, a gas outletunit and a gas suction unit; and the gas inlet unit comprises a sixth gas channel and a seventh gas channel which are used for feeding gas through the same gas inlet source. According to the gas cylinder type pressure-stabilizing dual-mode oxygen supply device, all mechanical parts are adopted to realize continuous and pulse dual-mode oxygen supply, and a pressure stabilizing module and the filling module are integrated inside, so that the device structure and gas guide tube connection are simplified, and therefore, use of the user is convenient.

The invention provides a wind turbine blade with a tip vane. The wind turbine blade with the tip vane comprises a tip and a tip vane, wherein the tip vane further comprises an empennage connection component, a first empennage and a second empennage; the first empennage and the second empennage are simultaneously connected with one end of the empennage connection component to form a forked tail structure; the other end of the empennage connection component is sheathed and fixedly arranged on the tip; therefore an included angle is respectively formed between the first empennage and the wind turbine blade as well as between the second empennage and the wind turbine blade; the first empennage is positioned on the windward side of the wind turbine blade; the second empennage is positioned on the lee side of the wind turbine blade; and the first empennage and the second empennage are both of the flat structure and tangentially extend along the rotation track of the wind turbine blade. According to the wind turbine blade with the tip vane, which is disclosed by the invention, the aerodynamic characteristics and the surface load of the wind turbine are effectively improved, and the tip loss and the aerodynamic noise are reduced.

The invention discloses a vacuum ultraviolet flat light source which comprises a front base plate and a rear base plate, wherein the front base plate is made of quartz glass, and a discharge cavity is arranged between the front base plate and the rear base plate; the front base plate is provided with paired parallel electrodes and adopts surface discharge, or the electrodes are arranged on the front base plate and the rear base plate, and an opposite type discharge mode is adopted; the surfaces of the electrodes are also provided with dielectric layers which are provided with protective films; the discharge cavity is filled with working gas with certain air pressure, and the working gas with certain air pressure can be formed by the mixed gas of Ne gas and Xe gas. When alternating-current pulses are brought between the electrodes, the working gas discharges, and 147nm and 172 nm vacuum-ultraviolet light is continuously generated under the action of keeping current pulses and sent to the outer surface of the vacuum ultraviolet flat light source, which needs to be processed, by the quartz base plates. The invention can generate a surface light source of the vacuum-ultraviolet light, thereby having superiority for processing surfaces with large areas; and the invention can generate single-surface and double-surface vacuum ultraviolet flat light sources, thereby being suitable for different application occasions.

The invention discloses a piezoelectric driving six-degree-of-freedom compliant positioning system which comprises an industrial personal computer, the industrial personal computer is electrically connected with a piezoelectric ceramic controller, the piezoelectric ceramic controller is electrically connected with a plurality of piezoelectric ceramic actuators, and the piezoelectric ceramic actuators are arranged at the bottom of a six-degree-of-freedom compliant positioning platform. Driving branch chains are arranged on the four sides of the six-degree-of-freedom flexible positioning platform, the displacement detection stop block is fixed to the centroid position of the upper surface of the flexible positioning platform, the multiple capacitance displacement sensors are arranged on the surface of the displacement detection stop block at equal intervals, and gaps are reserved in parallel. According to the scheme, the compliant positioning platform adopts modular and symmetrical design, the mechanism is simple and compact, feedback is simple and easy to use by adopting the capacitance sensor and the tilt angle sensor, closed-loop control positioning is accurate, and the platform is suitable for different application occasions.

A system for pre-tensioning a joint (13) including two or more threaded fasteners (11a-c) by a synchronized tightening of the threaded fasteners. The system comprises two or more torque delivering power wrenches (10a-c) and at least one operation control unit (18) communicating with the power wrenches for control of the operation of each one of the power wrenches, wherein the power wrenches are manually supported battery powered power wrenches each having a wireless communication module, and the operation control unit comprises a wireless communication module (24) for communicating with the wireless communication modules (16a-c) of the power wrenches to thereby receive actual operation data from each power wrench and to deliver relevant operation data to each power wenches to adapt the tightening operation of each power wrench to the actual tightening status of the other power wrench or wrenches to achieve synchronous tightening of the fasteners and even pre-tensioning of the joint.

The invention discloses a gypsum dewatering and impurity removing device which comprises a frame body assembly, a separating assembly and a cleaning assembly. The frame body assembly comprises a cavity box body, a slurry inlet arranged at the top of the cavity box body and a slurry outlet arranged at the bottom of the cavity box body; the separating assembly comprises a motor arranged at the bottom of the cavity box body, a rotating shaft matched with the motor and a separating disc fixedly connected with the rotating shaft; and the cleaning assembly comprises a sliding plate fixedly connected with the left side wall of the cavity box body, a cleaning rod arranged to be in sliding fit with the sliding plate, a cleaning brush arranged at one end of the cleaning rod and matched with the separation disc, and a storage box arranged below the separation disc. Thegypsum dewatering and impurity removing device is good in filtering and impurity removing effects, can automatically clean itself withoutartificial intervention, and is convenient to disassemble, wash, maintain and install, suitable for different application occasions and high in practicability.