31results about How to "With detection" patented technology

The invention discloses a multipole combined-type magnetic encoder which comprises a multipole combined-type magnetic grid and a signal processor, wherein the multipole combined-type magnetic grid is arranged in a shell and used for synchronously rotating along with a motor shaft, and three different magnetic fields are respectively generated on the multipole combined-type magnetic grid; and the signal processor is arranged in the shell and used for detecting a magnetic signal generated on the multipole combined-type magnetic grid, then converting the magnetic signal into high-resolution incremental-type A, B, Z electric signals and low-resolution absolute-type U, V, W electric signals and outputting . The multipole combined-type magnetic encoder has the advantages of high speed, small size and high resolution.

The invention relates to a dynamic concrete stress sensor and a calibrating method based on piezoelectric ceramics. The sensor comprises piezoelectric ceramic sheets subject to waterproof insulation processing, shielded conductors, a connector and two capsulation force transmission blocks; a groove is arranged at the middle part of each of the opposite sides of the two capsulation force transmission blocks; the piezoelectric ceramic sheets are arranged in the grooves; the two capsulation force transmission blocks are bonded and fixed with the piezoelectric ceramic sheets into a whole through epoxy resin mixed with dry cement powder with the weight percentage of 6-14%; and the piezoelectric ceramic sheets are connected with the connector through the shielded conductors. The invention further comprises the dynamic concrete stress sensor calibrating method and an internal dynamic stress measurement system for a concrete structure using the dynamic concrete stress sensor. The dynamic stress sensor and calibrating equipment are simple in structure; the dynamic stress sensor is small in size; the manufacture technology is simple and convenient; the cost performance is high; and the sensor is suitable for volume production.

The invention discloses an internet-based remote sensing interpretation and field investigation system and method for an unmanned aerial vehicle. The system comprises an unmanned aerial vehicle, a mobile intelligent terminal and a server, wherein the unmanned aerial vehicle is used for field data acquisition; the mobile intelligent terminal is used for loading, synchronizing, processing, editing and managing data in a working area and is linked with the unmanned aerial vehicle for performing remote sensing interpretation sign acquisition and rapid data recheck; and the server is used for preparing and managing the data in the working area to realize release and update of the data in the working area, so that collaboration among the server, the unmanned aerial vehicle and the mobile intelligent terminal and data transmission can be completed, and slope and orientation of investigation results are calculated. According to the system disclosed by the invention, collaboration among the server, the unmanned aerial vehicle and the mobile intelligent terminal and data transmission are realized, intelligent, automatic and special subject-based remote sensing interpretation sign acquisitionis realized, offline management and editing of the data can be realized, and sampling inspection of the remote sensing interpretation results is completed. The system disclosed by the invention is lightweight, automatic, high in efficiency, real-time in image transmission and flexible.

The invention relates to a rotor type air-ground integrated amphibious active olfaction robot and an odor detection method thereof. A rotor motor and blades are mounted on an end of a rotor frame, thereby supplying a power for in-air flight of the robot. An expansion rod is arranged between frames and is provided with a gas sensor and an ultrasonic sensor. A driving motor is arranged below the top end of the other end of each frame. The driving motor is provided with a driving wheel, thereby making the robot perform ground motion. The gas sensor detects gas concentration in a three-dimensional space. The ultrasonic sensor performs assistance in making the robot dodge an obstacle and height measurement of the robot. A source finding task is performed by means of a spatial irritant gas tracking algorithm and an olfaction memory algorithm which aims at air-ground conversion. The rotor type air-ground integrated amphibious active olfaction robot and the odor detection method have advantages of realizing air-ground integrated odor source searching in all air domain of the three-dimensional space, improving searching efficiency of the robot and improving operation safety of the robot.

The invention discloses a porous graphite-silver nano-diamond composite as well as a preparation method and an application thereof. The composite comprises porous graphite and a silver nano-diamonds, wherein pores of the porous graphite are intercommunicated micropores, and one side of the silver nano-diamond is in adsorption connection with the pore walls of the porous graphite. According to the preparation method, graphene oxide, sodium bisulfite and deionized water are mixed and subjected to ultrasonic oscillation, an obtained mixed solution is left to stand at 90-100 DEG C and cooled, black graphene gel suspended in water is rinsed with deionized water and subjected to freeze drying, obtained spongy porous graphene is soaked in an ethyl alcohol dispersion solution of the silver nano-diamond and taken out, an intermediate product is obtained, then the dried intermediate product is compressed, and the target product is prepared. The composite is quite suitable for serving as an active substrate for SERS (surface-enhanced Raman scattering), so that a laser Raman spectrometer selectively measures the content of dimethyldithiocarbamate pesticides attached to the composite.

The invention discloses an intelligent infusion monitoring device and method capable of controlling the flow speed of infusion. The device comprises a detection module, a microprocessor, a motor driving module and a flow speed control module. The infusion process can be stably and reliably monitored, burden to a patient and a nursing person is reduced, and no pollution can be caused to a liquid medicine. The flow speed of the liquid medicine in an infusion pipe can be reduced when infusion is completed, time consumed when residual liquid medicines in a murphy's dropper are dripped off is prolonged on the premise that needle blocking is avoided, and sufficient time is earned for a medical worker to perform treatment. The device is light in weight, small in size, low in power consumption and simple to operate. The device doesn't make contact with the liquid medicine, cannot cause pollution to the liquid medicine, has the self-adaption characteristic, can adapt to various liquid medicines and is accurate and reliable in detection.

The invention relates to a solvent-induced color change photonic crystal fabric and preparation and application thereof. The preparation method comprises the steps that P(St-BA-AA) colloidal microspheres of core-shell structures are dispersed in water and ultrasonically mixed with a trace amount of acetylene black uniformly, then a mixture is uniformly loaded on the surface of a fabric, and dryingis conducted to obtain the solvent-induced color change photonic crystal fabric. The solvent-induced color change photonic crystal fabric and the preparation and application thereof have the advantages that the polyester fabric self-assembled by the colloidal microspheres shows the original black color of the fabric, the color can change when the fabric meets water or other solvents, the color ofthe fabric is different if the solvents are different, and the fabric can achieve color change without consuming external energy and has application potentials in the fields of humidity detection, counterfeiting prevention and two-dimensional code hiding.

The invention relates to the field of electrochemistry, and concretely relates to a multifunctional electrochemical sensor for simultaneously realizing capture, sterilization and detection, and a making method thereof. The sensor is ZnO nanorods loaded with AgNPs and vancomycin, wherein a mass ratio of the AgNPs to the vancomycin is 1:1 to 1: 6. The preparation method has the advantages of simple process, easiness in control and low cost, and allows the multi-functional electrochemical sensor for simultaneously realizing capture, sterilization and detection to be produced. The synergistic effect of the vancomycin and nano-silver is used to highly-efficiently kill the harmful microorganisms in water and separate and detect pathogens in the water, so the sensor has very good application prospect in the field of water purification.

The invention belongs to the field of anti-unmanned aerial vehicles, and discloses anti-unmanned aerial vehicle interference equipment which comprises a signal processing module, an L / S waveband radiofrequency module, a C waveband radio frequency module and a secondary power supply module, and the L / S waveband radio frequency module and the C waveband radio frequency module are internally integrated with a receiving and transmitting module. The output end of the secondary power supply module is connected with the power supply input ends of the signal processing module, the L / S waveband radiofrequency module and the C waveband radio frequency module respectively; and the radio frequency end of the signal processing module is simultaneously connected with the radio frequency end of the L / Swaveband radio frequency module and the radio frequency end of the C waveband radio frequency module. According to the invention, the receiving and transmitting module integration and the automatic tracking interference technology are adopted, a high-power transmitter and a high-sensitivity receiver are integrated, the size is small, the weight is light, and the unmanned aerial vehicle detectionand interference performance can be independently completed.

The invention in particular relates to a physical examination duel intelligent sterilizing and flushing closestool. The physical examination duel intelligent sterilizing and flushing closestool comprises a hollow shell, wherein a defecation pond is arranged in the shell, a siphon flushing pipeline communicating with the bottom of the defecation pond is arranged in the shell, and a water tank is arranged above the rear side of the shell. The physical examination duel intelligent sterilizing and flushing closestool is characterized in that a female disinfecting and sterilizing cleaner realizing automatic stretching and contraction adjustment and a dryer realizing automatic stretching and contraction adjustment are arranged at the rear side of the defecation pond, a heating device and an ozone disinfection generator are arranged in the shell, a flushing hole, an odor exhaust hole and a steam sterilization and disinfection device are arranged at the inner side of the upper part of the defecation pond, the flushing hole is connected with a water tank through a pipeline, the steam sterilization and disinfection device is connected with the heating device through a pipeline, a spice and activated carbon sterilizing and deodorizing box and a deodorizing and air exchange fan are arranged in the shell, a cavity in the shell is connected with the siphon flushing pipeline through an air exhaust pipe, an examining device is arranged at a defecation hole of the defecation pond, and a urine routine examination instrument is arranged in the shell. The physical examination duel intelligent sterilizing and flushing closestool has the advantages that the functions are rich, the intelligence degree is high, the operation is convenient, and the use is comfortable, safe and sanitary.

The invention discloses a wide-band dual-channel radio monitoring and receiving system and a method for detecting signals. The system comprises a wide-band radio frequency front-end module which is connected with a short-wave antenna and an ultra-short-wave antenna, an A / D conversion module, a double-path two-stage DDC module, and an FIFO first-in first-out cache module; an intermediate frequency processing module is connected with a data storage module and an upper computer. The wide-band radio frequency front-end module comprises a short-wave channel and an over-short-wave channel, and is used for converting a received radio signal into an intermediate-frequency signal with the frequency of 70MHz and the bandwidth of 20MHz, and the upper computer is used for realizing frequency spectrum display, ITU measurement, recording and playback. The broadband radio frequency front-end module is adopted, short wave and ultra-short wave frequency bands are covered, the functions of equipment are expanded, the two independent signal receiving channels can monitor, analyze, record and play back received signals at the same time or respectively, and the utilization rate of the equipment and the monitoring accuracy are improved.

Herein is reported a method for determining bacterial endotoxin at low concentrations in a sample of an antibody (that has been produced using bacterial cells) comprising the following steps in the following order: i) adding magnesium ions to the sample, ii) diluting the sample, iii) dialyzing the sample having a pH-value of 5.7-8.0 against an endotoxin-free aqueous solution, and iv) determining bacterial endotoxin in the sample using a bacterial endotoxin test, particularly the limulus amoebocyte lysate assay.

The invention discloses an ultrashort wave broadband monitoring system and method. The system includes an ultrashort wave broadband monitoring receiver, broadband pre-classification equipment, multi-channel processing equipment, system control management equipment, monitoring work seats and a network switch. Compared with the prior art, the present invention provides a radio monitoring system solution that can be customized for user needs, has high flexibility, scalability and modularization characteristics, and can be used for fixed, mobile and mobile platform carriers. It integrates multiple functions such as fast signal search, signal interception, signal identification, broadband recording, and offline analysis. A variety of manual interactive working modes can be widely used in the spectrum monitoring work of local and military radio management departments.

The invention discloses a rotary bioreactor for large-scale cell culturing. The rotary bioreactor comprises a rotatable culture tank, wherein a tank cover is arranged at a tank opening of the culturetank in a sealing manner; a rotating driving device is arranged below the bottom of the culture tank, and can drive the culture tank to rotate along a vertical central axis of the culture tank; the tank cover of the culture tank is fixed and does not rotate; a plurality of interfaces are formed in the tank cover; a rotary joint is arranged between the tank cover and the tank opening, and is used for realizing the sealing rotation of the culture tank; and an electrode, a feeding and discharging pipeline, an on-line cell detecting system, a stirring system, a perfusion system and a ventilating system are also connected to the interfaces in the tank cover. The rotary bioreactor disclosed by the invention is suitable for the whole preparation process of a cell therapy preparation; and all preparation steps of cell separation, magnetic separation transfection, amplifying, concentrating, washing, configuring and subpackaging can be completed in a full-sealed full-automatic controlled bioreactor.

The invention discloses an internet-based remote sensing interpretation and field investigation system and method for an unmanned aerial vehicle. The system comprises an unmanned aerial vehicle, a mobile intelligent terminal and a server, wherein the unmanned aerial vehicle is used for field data acquisition; the mobile intelligent terminal is used for loading, synchronizing, processing, editing and managing data in a working area and is linked with the unmanned aerial vehicle for performing remote sensing interpretation sign acquisition and rapid data recheck; and the server is used for preparing and managing the data in the working area to realize release and update of the data in the working area, so that collaboration among the server, the unmanned aerial vehicle and the mobile intelligent terminal and data transmission can be completed, and slope and orientation of investigation results are calculated. According to the system disclosed by the invention, collaboration among the server, the unmanned aerial vehicle and the mobile intelligent terminal and data transmission are realized, intelligent, automatic and special subject-based remote sensing interpretation sign acquisitionis realized, offline management and editing of the data can be realized, and sampling inspection of the remote sensing interpretation results is completed. The system disclosed by the invention is lightweight, automatic, high in efficiency, real-time in image transmission and flexible.

The invention discloses a porous graphite-silver nano-diamond composite as well as a preparation method and an application thereof. The composite comprises porous graphite and a silver nano-diamonds, wherein pores of the porous graphite are intercommunicated micropores, and one side of the silver nano-diamond is in adsorption connection with the pore walls of the porous graphite. According to the preparation method, graphene oxide, sodium bisulfite and deionized water are mixed and subjected to ultrasonic oscillation, an obtained mixed solution is left to stand at 90-100 DEG C and cooled, black graphene gel suspended in water is rinsed with deionized water and subjected to freeze drying, obtained spongy porous graphene is soaked in an ethyl alcohol dispersion solution of the silver nano-diamond and taken out, an intermediate product is obtained, then the dried intermediate product is compressed, and the target product is prepared. The composite is quite suitable for serving as an active substrate for SERS (surface-enhanced Raman scattering), so that a laser Raman spectrometer selectively measures the content of dimethyldithiocarbamate pesticides attached to the composite.

The invention belongs to the field of photoelectrochemistry, and particularly relates to a multifunctional electrochemical sensor for simultaneous capture, sterilization and detection and a preparation method thereof. The sensor is a BiOI flower-like film loaded with AuNPs and 4-Mercaptophenylboronic acid; wherein the loading amount of the AuNPs is 0.001 mg / cm<2>-0.01 g / cm<2>; the loading amount of the 4-Mercaptophenylboronic acid is 0.0001 mM / cm<2>-0.01 mM / cm<2>. The preparation method of the multifunctional electrochemical sensor has the advantages of simple process, easy control and low cost, and prepares the multifunctional photoelectrochemical sensor capable of simultaneous capture, sterilization and detection. Through the photocatalytic effect of a semiconductor film, harmful microorganisms in a water body can be effectively killed, pathogen in the water body can be detected according to the change of photoelectric signals of the semiconductor film, and the multifunctional electrochemical sensor has a good application prospect in the field of water purification.

The invention relates to a solvent-induced photonic crystal fabric and its preparation and application. The preparation comprises: P(St-BA-AA) colloidal microspheres of core-shell structure are dispersed in water and evenly mixed with a trace amount of acetylene carbon black, and then It is evenly loaded on the surface of the fabric, and dried. The polyester fabric self-assembled by the colloidal microspheres of the present invention presents its original black color, and the color can change when it encounters water or other solvents. The color of the fabric is different when the solvent is different, and the fabric can be used without consuming external energy. It can change color under the environment, and has potential applications in humidity detection, anti-counterfeiting, hiding two-dimensional codes and other fields.

The invention provides an auxiliary system for a lighting table lamp and relates to the technical field of lighting. The system comprises a processor, an auxiliary circuit, a high-definition display screen, a sensor group, a communication module, a circuit protection unit, a lighting lamp, a control device and a power line. The auxiliary circuit, the high-definition display screen, the sensor group, the communication module and the circuit protection unit are all electrically connected to the processor, the auxiliary circuit is electrically connected to the lighting lamp, the communication module is connected to the control device, and the circuit protection unit is electrically connected to the power line. After adopting the above technical solution, the system has a high use value, the quality of use of a user can be improved, the system can play an auxiliary role and has delay and wake-up functions, sensor detection and circuit protection, the needs of use can be satisfied, and thesystem has excellent performance and high popularization performance in the field.

The invention belongs to the field of photoelectrochemistry, and particularly relates to a multifunctional electrochemical sensor for simultaneous capture, sterilization and detection and a preparation method thereof. The sensor is a BiOI flower-like film loaded with AuNPs and 4-Mercaptophenylboronic acid; wherein the loading amount of the AuNPs is 0.001 mg / cm<2>-0.01 g / cm<2>; the loading amount of the 4-Mercaptophenylboronic acid is 0.0001 mM / cm<2>-0.01 mM / cm<2>. The preparation method of the multifunctional electrochemical sensor has the advantages of simple process, easy control and low cost, and prepares the multifunctional photoelectrochemical sensor capable of simultaneous capture, sterilization and detection. Through the photocatalytic effect of a semiconductor film, harmful microorganisms in a water body can be effectively killed, pathogen in the water body can be detected according to the change of photoelectric signals of the semiconductor film, and the multifunctional electrochemical sensor has a good application prospect in the field of water purification.

The invention discloses an intelligent infusion monitoring device and method capable of controlling the infusion flow rate, including a detection module, a microprocessor, a motor drive module and a flow rate control module; The burden of personnel, and will not produce any pollution to the liquid medicine. When the infusion is completed, the flow rate of the liquid medicine in the infusion tube can be reduced. On the premise of avoiding needle blockage, the time required for the remaining liquid medicine in the Murphy's dropper to be dripped is prolonged, leaving enough time for medical staff to deal with it. The device is light in weight, small in size, low in power consumption and easy to operate. The device has no contact with the liquid medicine, will not pollute the liquid medicine, has the feature of self-adaptation, can be applied to various liquid medicines, and has accurate and reliable detection.

The invention discloses a chemistry leakage treatment vehicle. The chemistry leakage treatment vehicle comprises a vehicle body unit, an environment detection unit, and an emergency response unit; the vehicle body unit comprises a wheel group, an accommodating chamber, an opening communicated with the accommodating chamber, and at least one a protection door capable of sealing the opening in an opening manner; the environment detection unit is arranged on the vehicle body unit, and comprises a detection module capable of detecting the environment and sending out a detection signal periodically, a processing module capable of receiving the detection signal and sending out a processing signal, and a response module capable of receiving the processing signal and sending out a response signal; the emergency response unit is arranged on the vehicle body unit and comprises a water storage tank, at least one water spray nozzle, and a driving module capable of spraying a content in the water storage tank via the water spray nozzle. The chemistry leakage treatment vehicle can be not only used for storing tools and instruments, but also possesses shielding, environment detection, alarming, and emergency fire controlling functions.

The invention relates to the field of electrochemistry, and concretely relates to a multifunctional electrochemical sensor for simultaneously realizing capture, sterilization and detection, and a making method thereof. The sensor is ZnO nanorods loaded with AgNPs and vancomycin, wherein a mass ratio of the AgNPs to the vancomycin is 1:1 to 1: 6. The preparation method has the advantages of simple process, easiness in control and low cost, and allows the multi-functional electrochemical sensor for simultaneously realizing capture, sterilization and detection to be produced. The synergistic effect of the vancomycin and nano-silver is used to highly-efficiently kill the harmful microorganisms in water and separate and detect pathogens in the water, so the sensor has very good application prospect in the field of water purification.

The invention discloses a motor stator insulation sheet closing-up assembly device, which belongs to the technical field of micro motor assembly, and comprises a mounting plate and a fixing plate mounted on the mounting plate through a support rod guide sleeve assembly, and a pushing cylinder is mounted on the fixing plate and is connected with a pushing assembly through a movable joint. A model changing assembly is arranged above the fixing plate, an air cylinder hinge base is installed below the fixing plate, a locking air cylinder is installed on the air cylinder hinge base, and a piston rod of the locking air cylinder is fixed to a center shaft of the pushing and lifting assembly. A cylinder support and a closing turntable mechanism are fixed on the mounting plate, a turntable push rod is arranged on the closing turntable mechanism, the turntable push rod is connected with a piston rod of a closing cylinder mounted on the cylinder support, the turntable push rod is limited and matched by a buffer component fixed on the mounting plate, and a plurality of detection components are also arranged on the mounting plate. The stator insulating strip closing-up assembling device can replace manual or semi-automatic assembling, ensures the assembling stability of the stator and the stator insulating strip, is convenient and rapid in clamping, and enables the assembling of the insulating strip to be more reliable.

The invention relates to the field of fabric processing, in particular to a low-loss fabric printing and dyeing process. The process comprises the following steps that 1, a printed and dyed fabric and a printing and dyeing raw material are prepared; 2, the fabric is transported and shrunk; 3, the fabric is printed and dyed, and meanwhile redundant dye is recycled; and 4, the fabric is detected and collected. The printing and dyeing process has the advantage that the fabric can be detected in the printing and dyeing process.