1776results about How to "Responsive" patented technology

The invention provides a frictional electricity nano-generator, a generator set and a shoe pad utilizing the frictional electricity nano-generator. The frictional electricity nano-generator comprises an upper electrode layer, a first friction layer, an elastic layer, a second friction layer and a lower electrode layer from top to bottom in sequence, wherein the elastic layer is used for isolating the first and second friction layers, and is compressed under the external stress to enable the first and second friction layers to contact with each other; when being not stressed, the elastic layer can be elastically recovered to separate the first friction layer from the second friction layer; and the first and second friction layers are made of materials with different frictional electricity properties. Potential difference can be formed between the upper and lower electrode layers by the continuous contacting and separating of the two polymer layer frictional electricity materials during external stress applying and removing, thus outputting electricity outwards.

The invention discloses a pipeline crack far field vortex test method, belonging to the nondestructive testing technique field. The online test technique of the pipeline crack far field vortex in axial direction based on a circumferential magnetization principle is concretely realized in two different configuration methods of exciting coils: using a coil in radial direction with low frequency AC current as an exciting coil to produce a circumferential magnetic field, or using two coils which are placed crossly and the plane normals of which are vertical to each other as the exciting coil. The two coils are respectively electrified with low frequency AC current of the same amplitude but a phase difference of 90 degrees to produce a rotating magnetic field in a circumferential cross section of the pipeline, and the rotating magnetic field produces the circumferential magnetic field. The measurement of the test coils in circumferential layout in the far field area is indirectly coupled with magnetic field signals and the amplitude of signals and the change of signals relative to the phase difference of the exciting current show the existence of the defects of the cracks. The far field vortex technique based on the circumferential magnetization principle has the advantages of more intense function of the circumferential magnetic field and cracks of the pipeline wall in axial direction, which leading the test of cracks in axial direction to be easily realized.

The invention relates to a natural cold source cooling water chiller which comprises an outdoor unit and an indoor unit, wherein the outdoor unit mainly consists of a refrigeration system composed of a totally-enclosed scroll compressor, an evaporator, an evaporative condenser and a natural cold source collection device, and a water channel circulating system with a three-way valve so as to realize the mechanical refrigeration of the evaporative condenser and the evaporative cooling and the air cooling of the natural cold source collection device. The water chiller is characterized in that the evaporative condenser and the high-efficiency natural cold source collection device are arranged simultaneously above a cooling circulating water pool, and an axial-flow fan is installed on upper space. When the outdoor wet-bulb temperature is higher than 6 DEG C to 8 DEG C, the evaporative condenser is mainly used to realize refrigeration, when the outdoor wet-bulb temperature is lower than 6 DEG C to 8 DEG C and higher than 0 DEG C and 2 DEG C, the natural cold source collection device which is in the form of cooling tower spraying is mainly used to realize the evaporative cooling, and when the outdoor wet-bulb temperature is lower than 0 DEG Cto 2 DEG C, the natural cold source collection device which is in the form of air cooling is mainly used to realize cooling.

The invention relates to an unbalanced interferometer based fiber bragg grating (FBG) demodulation system and method, belonging to the technical field of fiber optic sensing. The system sequentially passes through a superluminescent diode (SLD) or an amplified spontaneous emission (ASE) broadband light source, an optic isolator, a circulator or a coupler, and a fiber bragg grating and returns back to the circulator or the coupler, and then passes through the coupler, an unbalanced Michelson interferometer with two channels and a Faraday rotator mirror and returns back to an interferometer and the coupler or passes through a Mach-Zehnder interferometer with two channels and the coupler, wherein one channel of the interferometer is wound around a piezoelectric ceramic or an electrooptical modulator, and an acousto-optic modulator, finally passes through a dense wave division multiplexer and a photoelectric detector and is connected with an ARCTAN based PGC (Phase Generation Carrier) signal response demodulation module. The invention has the advantages; by adopting the combination of the an FBG sensor and ARCTAN-based PGC phase modulation, the system has high sensitivity, large dynamic range and good linearity, good response to an abrupt signal and easiness of multiplexing, low cost and easiness of implementing.

The invention discloses a moisture-absorption, heat-generating, quick-drying, moisturizing and thermal fabric and a preparation method thereof. The fabric is formed by weaving first yarns, second yarns, third yarns and fourth yarns, wherein the first yarns are regenerated cellulose fiber type blended yarns formed by blending linen, wool or cashmere, one or more types of cotton fibers and regenerated cellulose fibers, or regenerated cellulose multi-filaments, or regenerated cellulose staple fiber yarns; the second yarns are modified polyester fiber yarns with non-circular cross sections; the third yarns are cotton fiber type blended yarns formed by blending one or two of polyester staple fiber yarns or polyacrylonitrile fibers and cotton fibers, or all cotton yarns; the fourth yarns are polyurethane fiber yarns. The moisture absorption and heat-generating value of the fabric exceeds national standards, the moisture absorption and quick-drying performance is excellent, and the thermal insulation rate meets national standards; the fabric also has comfortable elasticity and soft and smooth hand feeling of one surface next to the skin. Meanwhile, the preparation method is simple in process, and convenient to operate.

The present invention discloses a processing method of flexible cotton knitted face fabric. Said processing method includes the following several steps: weaving, enzymatic washing, kiering and bleaching, dyeing, oversoftening, dewatering, opening, drying, sizing and pre-shrinking.

The invention provides a flexible micro pressure sensor and a preparation method thereof, and belongs to the field of micro pressure sensor preparation. The flexible micro pressure sensor comprises a flexible substrate, a conducting layer and a flexible coupling electrode, wherein the flexible substrate is of a right square pyramid micro structure, the conducting layer is positioned on the flexible substrate, the flexible substrate is polydimethylsiloxane dimethyl silicone polymer with the right square pyramid micro structure, the conducting layer is a single-wall carbon nanometer tube, and the flexible coupling electrode is polyethylene glycol terephthalate with an indium tin oxide conducting layer. A lower electrode with the right square pyramid micro structure is adopted, and the deformation of the right square pyramid micro structure is very obvious under the pressure effect, so that the response of the sensor to micro pressure is more sensitive; the single-wall carbon nanometer tube is adopted as the conducting layer, and is transparent for visible light, in addition, the sensor cannot be easily damaged in the stretching or bending process, and the stability is good; the polydimethylsiloxane dimethyl silicone polymer is used as a lower electrode substrate, the flexibility is good, and the bending and the stretching can be realized.

The invention relates to an exhaust arrester capable of adjusting working pressure. The exhaust arrester comprises a valve body (01), a disk (02), a support bar (03), a support sleeve (14), a control bar (05), an air pressure feedback passage (06), a spring (07), a press plate (09), an adjusting support (10) and a cover (08); the disk (02) is fixed on an appointed position of the valve body (01) by the support bar (03) and the support sleeve (14); the support bar (03) drives the disk (2) to rotate around the axes of the disk; the control bar (05) is used for controlling connection and disconnection of an exhaust gas passage and is fixed on the bottom of the support sleeve (14) by the spring (07), the press plate (09), the adjusting support (10) and the cover (08); the air pressure feedback passage (06) drives the control bar (05) to move; and the spring (07) is used for adjusting the working pressure of an exhaust arrester assembly. When the pressure exceeds a set value by any accidental situation, the exhaust arrester can release pressure in time, ensure that the working pressure is stable and reliable and has adjustable working pressure and simple and convenient implementation.

The invention discloses a non-contact micro-vibration measuring system based on a non-equilibrium Michelson fiber-optic interferometer, which belongs to the technical field of fiber-optic sensing. The non-contact micro-vibration measuring system is characterized in that lights pass through a narrow-band light source, a coupler and the non-equilibrium Michelson fiber-optic interferometer in sequence, wherein one path of the lights irradiates to the surface of an object vertically by an optical-fiber self-focusing lens, then returns and is coupled into optical fiber; the other path of the lights is returned by a reflecting device at the tail end of the optical fiber of a reference arm; the two paths of lights pass through the coupler, a photoelectric coupler (PD) and a data processing module; simultaneously, the data processing module generates carriers waves to control a phase modulator on an interference arm; and finally, a result is obtained by a phase demodulation technology of a phase generation carrier (PGC) based on calculation of arc tangent (ARCTAN). The non-contact micro-vibration measuring system has the beneficial effects that due to the adoption of the combination of the Michelson fiber-optic interferometer and the phase generation carriers based on calculation of the arc tangent, the flexibility is high, the response is good, no influence by factors of light intensity and visibility drifting is caused, and the online measurement on non-contact micro-vibration can be realized.

A parking guidance system based on a cloud platform and AGPS (Assisted Global Positioning System) comprises gate control devices, a user handheld terminal, a parking cell detection sensing module and a cloud platform, wherein the cloud platform is formed by four layers of modules including a system application module, a distribution type cache module, a content distribution network module, a concurrent computation module and a distribution storage module from up to down; each gate control device comprises a cabinet with a gate and a gate controller, and an electric display screen and a card issuing module are arranged on the cabinet; the user handheld terminal is mobile Internet equipment; the gate control devices are distributed at entrances and exits of a parking lot; and the parking cell detection sensing module comprises sensor nodes and a data collection integrated controller. The parking guidance system has the benefits of portability, quickness in response and accuracy, has unique advantages aiming at a parking lot which is complex in topography and has decentralized parking cells, is strong in compatibility, can achieve interconnection of parking guidance systems of a whole city or a whole region.

The present invention proposes one kind of 3D real-time monitoring device for laser welding and cutting process. The 3D real-time monitoring device can acquire the coaxial infrared waveband and plasma radiation light signal for real-time quality monitoring. Compared with available technology acquiring only one kind of radiation light information, the present invention has the advantage of providing more precise information for the closed-loop control of 3D laser processing.

The invention discloses an electric automobile and a power storage battery safety management control method. The power storage battery safety management control method includes the steps that all faults of a power storage battery are divided into multiple different fault levels according to the degrees of severity; a battery management system judges the fault level of the power storage battery; and a vehicle control unit receives the fault level, makes a response to the fault level and sends a control command to an execution component of a vehicle. According to the control method, all the faults are further divided into common faults and non-common faults, the common faults are sent to a CAN network through a networking protocol, and only fault codes of the non-common faults are sent. Thefaults of the power storage battery are managed according to the levels, the levels are provided with corresponding treatment measures, an interface is simple, logic is clear, occupied communication resources are small, the vehicle control unit does not need to judge the specific fault, and the fault of the power storage battery can be quickly judged and treated only through the simple fault level.

The invention relates to an exhaust brake with a decompressor and a method for preventing the formation of the overpressure in the exhaust brake. The operating pressure of the exhaust brake is reliable and adjustable. The exhaust brake comprises a valve body, a disc, a supporting rod, a supporting sleeve, a reducing valve, a spring and an adjustable bolt and does not have a pressure relief vent, wherein, the supporting rod and the supporting sleeve are used for fixing the disc, the reducing valve is used for stably activating the exhaust resistance, the spring is used for adjusting the size of the operating back pressure of an assembly. The exhaust brake with the decompressor can release the excess pressure in time when the pressure surpasses the presetting value due to any unforeseen circumstances and guarantees the stable and reliable operating pressure; moreover, the exhaust brake with the decompressor has adjustable operating pressure, simple and convenient implementation and reliable performance.

The invention provides an on-line corrosion detector for reinforced concrete based on a disk electrode. The on-line detector comprises a polarization circuit (2) and a current constraint circuit (3), wherein the disk electrode (1) comprises reference electrodes RE1, RE2 and RE3, an auxiliary electrode CE (13) and a circular ring electrode GE (17); the polarization circuit (2) polarizes the reinforcing steel bars in concrete through the auxiliary electrode CE (13) and the reference electrode RE1 in the disk electrode (1); and meanwhile the current constraint circuit (3) restrains polarization current through the circular ring electrode GE (17) and potential difference between the reference electrodes RE2 and the reference electrodes RE3 so as to limit the polarization current in a projection zone of the auxiliary electrode CE (13). The invention further provides a method for measuring corrosion rate of the reinforcing steel bar in a concrete structure by using the detector. The invention improves measurement accuracy of the corrosion rate of the reinforcing steel bars in the concrete structure and avoids measurement errors caused by current over-constraint and under-constraint.

The invention discloses an inorganic antibacterial fiber of a coating layer and a preparation method thereof. The invention leads four-needle zinc oxide whisker that is blended with silver, ferric oxide, titanium dioxide or the mixture of the silver, the ferric oxide and the titanium dioxide to be modified, and expands the responsiveness of the four-needle zinc oxide whisker in the field of visible lights. The four-needle zinc oxide whisker or the modified four-needle zinc oxide whisker are loaded onto the fiber, and due to the special space structure, the four-needle zinc oxide whisker has strong holding power to the fiber and can be well loaded onto the fiber, thus well combining the high catalytic activity of the four-needle zinc oxide whisker and the high specific surface property of the fiber, greatly improving the catalytic efficiency of optical catalysts, and simultaneously solving the recycling problem of the optical catalysts.

The invention relates to an organic-inorganic hybrid perovskite material for temperature detection, belonging to the technical field of material application. A structural formula of the organic-inorganic hybrid perovskite material is A2BX4, wherein A represents a linear-chain alkyl ammonium halide or an ammonium halide with a fluorophore, B represents one selected from Ge, Sn, Pb and Cu, and X represents one selected from chlorine, bromine and iodine. The organic-inorganic hybrid perovskite material in the forms of single crystalline, film, fluid suspension and solid powders can be all used for temperature detection, response is sensitive, and the resolution is high. The organic-inorganic hybrid perovskite material can be used as a fluorescent probe for quantitative temperature test, or can be used as a simple probe for qualitative temperature test, color change of the probe can be observed under a fluorescent lamp needless of excitation via ultraviolet light, and temperature change rather than accurate temperature needs to be displayed.

The invention is a non-contact mine pressure observing and evaluating method, relating to a technique of monitoring and evaluating relative stress state of mine digging space or tunnel wall rock by non-contact monitoring the electromagnetic radiation information generated by loaded coal and rock, and the observing method: firstly selecting a region to be monitored, aligning the valid receiving direction of an oriented receiving electromagnetic antenna to an test point and obtaining Ei after test and testing until all test points are tested. And the evaluating method: index of mine pressure evaluation adopts average values Ei of electromagnetic radiation strengths of coal and rock, and calculating average value Eavg of all Ei; displaying the test results Ei in figure, and when the obtained electromagnetic radiation strength of a test point is higher than Eavg, the test point is evaluated as a high stress point; a region with two or more continuous test points whose electromagnetic radiation strengths are all higher than Eavg is evaluated as a high stress region; a region with two or more adjacent test points whose electromagnetic radiation strengths sharply increase by twice above or sharply decrease by above 50%, is evaluated as a high stress gradient region.

The invention belongs to the field of conductive polymer composites pressure-sensitive materials and particularly relates to a preparation method of a porous conductive polymer material with pressure-sensitive property and an application thereof. The preparation method of the porous conductive polymer material with pressure-sensitive property comprises the following steps: a) suspension preparation; b) unidirectional freezing; and c) low-temperature low-pressure drying. The porous conductive polymer composite with pressure-sensitive property prepared in the invention has excellent stability and resilience and can be used for preparing a light polymer-based strain sensor; and by combining the obtained conductive polymer composite with the circuit board and semiconductor technology, various pressure-sensitive sensors with good stability and long service life can be made.

The invention discloses a fluorescent probe for detecting pH value and a preparation method thereof, and a special detection kit. The structure of the fluorescent probe for detecting pH value is disclosed as Formula I. The invention also discloses a preparation method of the compound disclosed as Formula I, which comprises the following steps: (1) carrying out reduction reaction on dihydroxybenzaldehyde disclosed as Formula IV and morpholine to obtain substituted morpholinyl methoxyphenyl diol disclosed as Formula V; and (2) in an inert atmosphere, carrying out substitution decomposition rearrangement reaction on the substituted morpholinyl methoxyphenyl diol disclosed as Formula V and tricarbocyanine dye disclosed as Formula VI in the presence of alkali to obtain the compound disclosed as Formula I. The kit for detecting pH value comprises the compound disclosed as Formula I and a solvent. The fluorescent probe and special detection kit thereof have favorable responsivity for pH value of solutions, can implement marking of lysosome and detection of pH value of the cytolysosome, is simple to operate, has the advantages of low cost, high speed, high sensitivity and the like, and can easily implement popularization and application.

The invention belongs to the technical field of oil drilling, and particularly relates to a gas invasion early monitoring device and method in the drilling process. The gas invasion early monitoring device in the drilling process comprises an underground monitoring device and a ground monitoring device. The underground monitoring device conducts real-time measurement and analog-to-digital conversion on the acoustic attenuation data, the temperature data and the pressure data of mineshaft annulus fluid. Then the data are sent to the ground monitoring device, and the ground monitoring device is used for analyzing and processing the monitored data, and conducting early warning and alarming. According to the gas invasion early monitoring device and method in the drilling process, whether an underground annulus is invaded by stratum gases or not is monitored in real time, and the characteristic of being sensitive in responding is achieved; the stratum gas invasion amount of the annulus at the underground measuring short section is calculated in real time through the data set which is uploaded to a ground data analysis module in real time, so that the invasion amount of the stratum gases is calculated in an accumulative mode; whether the stratum gases invade or not can be accurately judged at the gas invasion stage, and early warning is conducted in advance; the gas invasion amount is acquired through calculation, and data support is provided for preparation of killing well materials.

The invention relates to an azido-containing naphthalimide compound and applications of the azido-containing naphthalimide compound in detecting hydrogen sulfide, wherein the azido-containing naphthalimide compound is constituted by a novel fluorescence molecular probe and three different detection systems. The fluorescence molecular probe makes use of reducibility of the hydrogen sulfide; the spectrum of the compound is obviously changed before and after the fluorescence molecular probe reacts with the hydrogen sulfide, and the color is changed to be yellow from nearly colorless; different surfactants are added into the solution, so that the response time can be changed and the linear detection range on the hydrogen sulfide is expanded. The technology is characterized by sensitive reaction, fast response speed and wide linear range, and is particularly suitable for detecting the content of the hydrogen sulfide in organisms.

The invention discloses an automotive PTC (positive temperature coefficient heating element) heating control system and a control method. The control system comprises a PTC control module, an electric heating element, an environmental temperature sensor, an inside temperature sensor, a water temperature sensor and a relay, the PTC control module simultaneously receives an environmental temperature signal of a vehicle, a temperature signal of a driver cabin in the vehicle and the temperature signal of cooling liquid of an engine and controls the actions of the electric heating element through the comprehensive judgment of the signals and a temperature set value of a driver. When the electric heating element is started to work, whether the engine of the vehicle works normally or not needs to be firstly judged, when the engine is detected to be in abnormal working state, the electric heating element is not allowed to be started. The invention combines the PTC control module with the sensors to constitute a closed-loop control system. Therefore, the invention has the advantages of convenient use, sensitive reaction, low production cost, etc.

The invention discloses a preparation method for gold-coated zinc oxide flower-like microspheres. The preparation method comprises the following steps: (1) weighing Zn(CH3COOH)2.2H2O powder, trisodium citrate dihydrate powder and hexamethylenetetramine and dissolving in 100 ml of de-ionized water, wherein a molar ratio of Zn(CH3COOH)2.2H2O powder to trisodium citrate dihydrate powder to hexamethylenetetramine is 10 to 1 to 10; (2) putting a mixed solution into a serum bottle, reacting for 3-5 hours, taking out the serum bottle and cooling at a normal temperature; (3) performing centrifuging and cleaning on obtained precipitates and drying a product at 50-70 DEG C for 12 hours; (4) annealing at 400 DEG C for 30 minutes to obtain flower-like ZnO powder; (5) adding the ZnO powder into the de-ionized water, adding HAuCl4.4H2O, adding trisodium citrate dihydrate, and reacting; (6) performing centrifugation and cleaning on obtained precipitates to prepare the gold-coated zinc oxide flower-like microspheres. The gold-coated zinc oxide flower-like microspheres are good in gas-sensitive sensor performance and photocatalytic performance.

The invention relates to a bionic robot terminal actuator, in particular to a structural design of an under-actuated flexible terminal actuator simulating bird jaws, and is generally applied to the field of agricultural product picking robots and intelligent sorting and packing. The terminal actuator consists of a grabbing module, a sucking module, a power module and a fixed connecting module. When the terminal actuator performs a special-shaped melon and fruit grabbing task, the sucking module and the grabbing module are cooperated to finish the grabbing task. The terminal actuator has bionic characteristics, can realize flexible grabbing of the special-shaped melons and fruits, reduces damage of the melons and the fruits in the working process, and has the advantages of fast response speed and high working efficiency.

The invention relates to an aerosol optical thickness inversion method based on remote sensing data. The aerosol optical thickness inversion is conducted by the dark-object method and a 6S radiation transfer model. The aerosol optical thickness inversion method comprises data acquisition, data synthesis, angle data synthesis, cloud detection, aerosol inversion, aerosol type determination, surfacereflectivity determination, distribution map production based on AOD of the inversion, and relationship between AOD and PM2.5 establishment. MODIS AOD data obtained based on the method can be used asan effective supplementary means for ground monitoring of PM2.5 concentration.

The invention discloses an UVLED light curing composition used in a floor coating and application thereof, the composition comprises a compound containing a (methyl acrylate group, an epoxy-group-containing compound, a diluent, a cationic photoinitiator, and optionally, a free radical photoinitiator and sensitizer, and the UVLED light curing composition has excellent response to an UVLED light source in the wavelength range of 200 to 500 nm, and has the advantages of fast curing speed, excellent coating performance, zero VOC emission, and the like. Layer hardness, wear resistance, adhesion, water resistance and chemical resistance of the UVLED light curing composition after curing can meet the performance requirements of a floor coating material.

The invention relates to a milling machine processing system with a cutting fluid nozzle capable of intelligently following up and a working method. The milling machine processing system comprises a workbench; a milling machine tank is arranged on the workbench and provided with a milling cutter mechanism used for machining workpieces on the workbench; a rotary mechanism is installed on the end face, on one side of a milling cutter, of the milling machine tank, is connected with a two-axis linkage mechanism, and drives the two-axis linkage mechanism to rotate around the center line of the milling cutter; the two-axis linkage system is connected with the nozzle through an angle adjusting mechanism and used for adjusting the position and angle of the nozzle; and the milling machine processing system is further provided with an infrared temperature testing module used for collecting the temperature of a machining area, the problems of overheating, waste and the like caused by partial feedliquid insufficiency and partial feed liquid excess are avoided, control is convenient, and sensitivity is high.

The embodiment of the invention relates to a method for transmitting a data resource and equipment for transmitting the data resource. The method for transmitting the data resource in an internet of things system based on a node of a lightweight application layer protocol comprises the steps of: sending a request message with a response mode option to a server, wherein the response mode option shows one of the following response modes: once immediate response, delayed once response, delayed multi-response, and cancelling of delayed multi-response; and receiving the response message transmitted by the server and produced according to the response mode option. According to the method and the equipment for transmitting data resource, the response mode option can be specified in the message interaction process; the client can specify the response as required, thereby improving the message interaction efficiency of CoAP.

An overflow valve with a magneto-rheological pilot valve comprises an overflow valve seat, an overflow valve upper cover plate, a main valve spool, an overflow valve body, a main valve spool spring, a magneto-rheological pilot cone valve, a magneto-rheological pilot valve front cover plate, a magneto-rheological pilot valve body, a magneto-rheological pilot valve piston, an electromagnetic coil, a one-way valve plate, a transition plate, a pressure regulating spring, a pressure regulating block and a pressure regulating screw. The overflow valve upper cover plate, the magneto-rheological pilot valve front cover plate and the magneto-rheological pilot valve body are mounted on the overflow valve seat, a valve rod of the magneto-rheological pilot cone valve penetrates the overflow valve upper cover plate, enters the magneto-rheological pilot valve body and is closely connected with the magneto-rheological pilot valve piston, the magneto-rheological pilot valve piston, the magneto-rheological pilot valve body and the electromagnetic coil form a working gap, so that magneto-rheological fluid flows, a space is formed between the transition plate and the valve rod of the magneto-rheological pilot cone valve, the one-way valve plate can elastically deform in the space, and the pressure regulating screw is rotated and can push the pressure regulating block at the front end of the pressure regulating screw to compress or release the pressure regulating spring.