201results about How to "Integrated" patented technology

The present invention provides one kind of system to perform distributive multi-point detection for corrosion, crack, leakage, wax precipitation, scaling and other status in long oil and gas conveying pipeline by means of fiber grating sensing technology. The system includes near-infrared wide-band semiconductor laser source array, wavelength division multiplexer, bi-directional fiber coupler, fiber grating sensor array, spectral analyzer and signal transmission optical cable. The continuous near-infrared light signal the laser source array emits is transmitted to fiber grating sensor array embedded inside the long oil and gas conveying pipeline through the wavelength division multiplexer and the bi-directional fiber coupler, the sensor array detects the varying temperature and pressure of fluid inside the pipeline and reflects to the bi-directional fiber coupler while being coupled to the analyzer and the computer to obtain the conveying status inside the pipeline.

The invention discloses a biological sensor and a manufacturing method and a detection method thereof. The biosensor has a field effect transistor structure, which comprises a flexible substrate, printed silver source drain electrode arranged on the flexible substrate and a printing functionalized nano carbon material layer connected with the source drain electrode. A specific receptor is connected with the functionalized nano carbon material layer as a sensitive material for detecting minute quantity of a specific target material. The source drain electrode is connected with a set of signal detecting system, which cooperates with signal regulation of a suspended grid in a detection liquid to realize the rapid, accurate and sensitive biological diagnosis; therefore, the biological sensor has the advantages of integration, compatibility and portability.

The invention provides a minitype optical fiber FP sensor produced by fetosecond laser pulse, which is to produce a small cavity with rectangle cross section, and full penetration through fiber core on an ordinary single-mode optical fiber, and the depth of the small cavity satisfies: (D+d)/2<=h<=D, wherein D is the diameter of the fiber, d is fiber core diameter. The invention also provides the production method of the invention. The sensor is superior in not only the special physical characteristic of miniaturization, integration, Convenience for production and reuse, strong harsh environment resistance capability, but also having negative temperature sensitivity and improving the sensitivity of axial load in a certain extent, and being applied in the optical sensing field in the future.

The invention discloses a system for integrally, synchronously and comprehensively observing lightning electromagnetic signals, wherein the system comprises an integrated detection antenna device, a receiver and a data collection control device, wherein the integrated detection antenna device is used for detecting the electromagnetic field change generated by lightning, the time information and the space information of a detection position, and transmitting the electromagnetic field change signal and the time and space position information to the receiver; the receiver is used for receiving the electromagnetic field change signal and the time and space position information transmitted by the integrated detection antenna device, processing and transmitting the information to the data collection control device; and the data collection control device is used for real-time collecting the data processed by the receive, performing waveform display and storing the data. The system for integrally, synchronously and comprehensively observing lightning electromagnetic signals disclosed by the invention can synchronously and comprehensively detect the electric field speed change information and three-dimensional magnetic information of lightning; simultaneously, by the application of integration technology, the time and space consistency of the detection data is relatively high; and the observation system has the advantages of integration and portability.

The invention discloses a radio frequency front-end frequency selection circuit and a signal receiving method thereof. The circuit comprises: an antenna used for coupling and receiving a radio frequency signal; a first multipath switch used for selecting the radio frequency signal to a microstrip filter of a corresponding frequency band; the microstrip filter used for filtering an out-of-band interference signal; a low noise amplifier used for amplifying the useful radio frequency signal; and a filter group used for filtering the amplified signal; a second multipath switch used for switching the radio frequency signal obtained by the filter group to a subsequent link of a receiver to be processed. The method comprises the steps that: the radio frequency signal is coupled to a radio frequency link by the antenna, the first multipath switch switches the radio frequency signal to the microstrip filter of the corresponding frequency band, the microstrip filter filters the out-of-band interference signal and amplifies and filters the useful signal for the second time, and finally the signal is switched to the subsequent link of the receiver to be processed. The radio frequency front-end frequency selection circuit disclosed by the invention has the advantages of miniaturization, integration and strong expansibility.

The invention discloses an automatic supervisory control and data acquisition (SCADA) system-based scheduling emergency management short message platform software system. The system comprises an SCADA system, an item port, a short message platform software system and a short message transmitting device, wherein the short message platform software system is connected with the short message transmitting device; and the SCADA system is connected with the short message platform software system through the item port. Based on the conventional automatic SCADA system, the short message platform software system is further developed and deployed, related configuration is made in short message platform software according to the requirements of different users, alarm information concerned by each principal is customized for different principals, and different users are informed of information concerned by users in a short message mode through a global system for mobile communication (GSM) short message module. The system realizes convenient and fast scheduling and timely information, improves scheduling emergency management level, has high accident handling capacity and effectively ensures safe and stable operation of power systems.

The invention discloses an integrated patch unit, comprising a circuit substrate and a light transmission packaging material, wherein the circuit substrate at least comprises a top circuit layer and a bottom circuit layer which are laminated with each other; a peripheral element as well as a power supply pole and the other power supply pole are arranged on the top circuit layer; the power supply pole and the other power supply pole are electrically connected with the bottom circuit layer; the top circuit layer is also provided with a luminous body electrically connected with the power supply pole and a driving chip which is electrically connected with the luminous body, the other power supply pole or the two power supply poles respectively; and the light transmission packaging material isarranged on the circuit substrate and covers the driving chip, the luminous body or the top layer of the whole circuit board. According to an embodiment of the invention, the driving chip, the luminous body and the peripheral element are integrated to form an integrated patch device so that the integrated patch unit provided by the invention has the characteristics of miniaturization, integrationand unitization and the mass production is much easier to realize.

The invention belongs to the technical field of mercury ion detection, and in particular, relates to a paper chip colorimetric analysis system for mercury ion detection and a construction method and an application thereof. The construction of the paper chip colorimetric analysis system includes the steps of preparation of a paper chip plastic bearing substrate, and design and preparation of the paper chip; the paper chip is similar to a micro reaction vessel and is used for platinum nanoparticle catalysis of a TMB/H2O2 developing reaction; the construction of a simple optical fiber analysis device is used for representation of the intensity of a color in the paper chip in a numerical value form. A principle comprises that platinum nanoparticles have excellent activity similar to catalase and can rapidly catalyze a TMB/H2O2 substrate to generate a blue precipitate, while when mercury ions exist, PtNPs can quickly undergo a reaction with the mercury ions to inhibit self enzyme activity, and finally, the recognition and quantitation of the mercury ions in the solution are achieved through changes of the color after the reaction. The system has the advantages of excellent specificity and selectivity, and has wide application prospect.

The invention provides a liquid drop detection system and method for a dielectric electrowetting digital microfluidic chip. A personal computer issues a control command to a single-chip microcomputer,the single-chip microcomputer controls a driving circuit to provide driving voltage, the driving voltage drives liquid drops on an electrode of the dielectric electrowetting digital microfluidic chip, a detection resistor extracts a current signal passing through the microfluidic chip and sends the current signal into a voltage follower for flowing, the follow-up signals are divided into two paths, are respectively fed into a multiplier and are subjected to signal squaring, a low-pass filter carries out low-pass filtering on the signals output by the multiplier, a DC signal is obtained at anoutput end of the low-pass filter, the single-chip microcomputer acquires the DC signal output by the low-pass filter and transmits the DC signal to the personal computer, the personal computer processes the DC signal and information related to a liquid drop state is displayed. The liquid drop detection system and method can drive and detect one or more liquid drops with any sizes at any positionsand can calibrate the tested parameters when reducing driving voltage below the normal driving threshold so that the parameters are converted into parameters which can be used below the normal driving threshold.

The invention provides a coal-based ethylene glycol sewage treatment method and system. The treatment method includes the following steps that steam stripping purification treatment, anaerobic biological treatment, aerobic biological treatment, Fenton oxidation treatment, aeration biofilter treatment, ultrafiltration and reverse osmosis treatment are sequentially carried out on coal-based ethylene glycol sewage, and the treated coal-based ethylene glycol sewage can be reused after being drained. The coal-based ethylene glycol sewage treatment system comprises a steam stripping purification treater, an anaerobic biological reactor, an aerobic biological reactor, a Fenton oxidation reactor, an aeration biofilter, an ultrafilter and a reverse osmosis device which are connected in sequence. The optimal purification effect is obtained through the shortest and most simple technological process, and the treated sewage meets the reuse index requirement and can be reused by a production water supply system; as the process is simple, the coal-based ethylene glycol sewage treatment method is suitable for large-scale industrialization.

The invention discloses a double-resonance vertical-cavity surface-emitting laser structure for generating terahertz wave and microwave and relates to the field of optoelectronic devices. The structure comprises a lower metal electrode, an n-type substrate, a lower distributed feedback Bragg reflector, an n-type phase matching layer, a gain area, a p-type phase matching layer, an upper distributed feedback Bragg reflector, a passivation layer and an upper metal electrode which are sequentially arranged from bottom to top; the structure is characterized in that the length d of a laser resonance cavity is formed by the optical thickness of the n-type phase matching layer, the optical thickness of the gain area, the optical thickness of the p-type phase matching layer, and energy transmission depth of laser in the lower distributed feedback Bragg reflector and the upper distributed feedback Bragg reflector; the length d of the resonance cavity is required to meet the equation as follows: d=c/2omega; if the omega is greater than 0.1THz and smaller than 10THz, the terahertz wave is generated; if the omega is greater than 300MHz and smaller than 300GHz, the microwave is generated. Compared with the existing terahertz light source, the double-resonance vertical-cavity surface-emitting laser structure for generating the terahertz wave and the microwave has the advantages of integration, miniaturization, working at room temperature and easiness in formation of two-dimensional arrays.

The invention discloses an intelligent mountain bike helmet and a realization method thereof, which belong to the field of mountain bike sports. A system comprises the mountain bike helmet, an acceleration sensor and a peripheral signal processing circuit, wherein the peripheral signal processing circuit reads and processes an acceleration signal sensed by the acceleration sensor so as to realize intelligent alarming and communication functions. The intelligent mountain bike helmet and the realization method thereof have the advantages that: 1) the whole system is integrated on the mountain bike helmet so as to achieve the characteristics of compactness, light weight, convenience, intellectualization and integration; 2) the acceleration sensor is adopted to detect the change of acceleration in a riding process, judge whether a rider falls or not according to an amplitude value of the acceleration signal and judge whether to transmit an automatic alarming prompting signal or not according to the result, so the aims of automatic alarming and informing companions are fulfilled; and 3) a microphone is adopted to detect the strength of voice signals in the riding process and control the switching of communication statuses according to the strength of the voice signals, so the function of free communication in riding is realized.

The invention relates to the technical field of biology, and discloses a nucleic acid detection chip. The chip comprises a cracking tank, a cleaning tank, an elution tank and a reaction detection unitwhich are sequentially arranged in a closed shell, a sample input port is formed in the cracking tank, an isolation channel is arranged between the cracking tank and the cleaning tank, an isolation channel is also arranged between the cleaning tank and the elution tank, the elution tank communicates with the reaction detection unit, magnetic beads are arranged in the cracking tank, a blocking liquid is arranged in the isolation channels, a magnet unit is arranged outside the shell, and the magnet unit drives the magnetic beads in the chip to move among the cracking tank, the cleaning tank andthe elution tank through the isolation channels. The invention also discloses a method for performing nucleic acid detection by using the nucleic acid detection chip. According to the invention, microfluidic and CRISPR detection technologies are combined, and multi-target, high-sensitivity and automatic detection of pathogenic microorganism nucleic acid signals is realized on a single chip.

The invention discloses a multi-dimensional and multidirectional stress-strain monitoring system. The multi-dimensional and multidirectional stress-strain monitoring system is characterized in that the multi-dimensional and multidirectional stress-strain monitoring system comprises an information collection device (1), an optical fiber monitoring device (2), a data analysis platform (3), a wire collection box (4) and an optical fiber sensing device (5) arranged in a structural body (6) to be monitored, the optical fiber sensing device (5) is used for sensing stress-strain information which is produced by the structural body (6) to be monitored under the action of external factors, the optical fiber monitoring device (2) is connected with the optical fiber sensing device (5) through the wire collection box (4) and conducts distributed type high-precision monitoring on the structural body (6) to be monitored, the information collection device (1) is connected with the optical fiber monitoring device (2) and used for capturing and storing optical fiber monitoring data and digitizing and visualizing monitoring information, and the data analysis platform (3) is connected with the information collection device (1) and used for providing the data preparation function, the graph viewing function, the data basic analysis function and the stress calculation function for a user. The system has extremely strong operability and strong realizability in practical use.

The invention discloses a platform software having video monitoring and intelligent image analysis functions. The platform software is composed of an intelligent analysis and management server software and an intelligent analysis unit server software through being carried by an open-type standard X86 architecture server. The platform software provides an SDK for a third party video monitoring platform software and has a buffer zone array composed of three buffers. The function module of the platform software has eight different video monitoring and intelligent analysis functions of four classifications. The invention solves problems in analysis and extraction of feature points, specific behaviors, video quality parameters in a video monitoring view range, performs active early warning on suspicious targets, suspicious behaviors and abnormal image quality change, reduces manual strength of video monitoring, improves intelligent level of safety protection, meets requirements for large-scale video networking, mass data application and intelligent video analysis, is low in false alarm rate and can be used as a core component of a next-generation video monitoring system intelligent analysis application.

The invention discloses a force/magnetism multifunctional sensor. The force/magnetism multifunctional sensor includes a first cantilever beam 1 for detecting an applied magnetic field, a magnetic material 3 at the top end of the cantilever beam, a second cantilever beam 2 for detecting the applied force, a silicon mass block 4 at the top end of the cantilever beam, a first Wheatstone bridge which is formed by a first thin film transistor TFT1 channel equivalent resistor R1, a second thin film transistor TFT2 channel equivalent resistor R2, a third thin film transistor TFT3 channel equivalent resistor R3 and a fourth thin film transistor TFT4 channel equivalent resistor R4 and is used for realizing detection of a magnetic field, and a second Wheatstone bridge which is formed by a fifth thin film transistor TFT1' channel equivalent resistor R1', a sixth thin film transistor TFT2' channel equivalent resistor R2', a seventh thin film transistor TFT3' channel equivalent resistor R3' and an eighth thin film transistor TFT4' channel equivalent resistor R4' and is used for realizing detection of force. The force/magnetism multifunctional sensor has the advantages of being small in volume, being low in cost, being high in accuracy, and being high in stability.

This invention discloses a Q-modulated semiconductor laser with an electric absorption structure including a distributed feed-back grating of lambda/4 phase shift, two separated upper electrodes depositing on the top of the grating, an electrode depositing on the base of the laser as the public base, in which, the first upper electrode covers part of the grating including a phase shift region providing gain to the laser by injecting constant current, a second upper electrode covers the rest part of the grating away from the phase shift region as the Q-modulator of the laser and electric signals can be added to the second upper electrode to change the absorption coefficient of the waveguide of the modulator region and alter the Q value of the laser so as to alter the laser threshold value and output power.

The invention relates to the technical field of optical sensing, specifically relates to an optical sensing total phosphorus detection system. The system comprises a bottom plate, a laser light source integrated on the bottom plate, an optical sensing unit, a photodetector and a digital display module. The laser light source is connected with the optical sensing unit through an input optical fiber. The optical sensing unit is connected with the photodetector through an output optical fiber. The photodetector is connected with the digital display module through electrical connection lines. The invention further provides an optical sensing total phosphorus detection method. The system is based on optical fiber sensing principle, has strong anti-interference performance, can rapidly and exactly detect the total phosphorus, and has miniaturized and integrated potential.

The invention belongs to the field of remote agent cooperation technology and specifically provides an integration distributed type KVM remote agent cooperation system. The system comprises at least one integration distributed type KVM agent end node, at least one network switch, at least one integration distributed type KVM host end node, and at least one integration distributed KVM splicing node, wherein the integration distributed KVM agent end node is respectively connected with the integration distributed type KVM host end node and the integration distributed KVM splicing node through thenetwork switch, wherein each integration distributed type KVM agent end node is connected with more than two displays, a set of mouse and keyboard, a set of audio collection device and a set of audioplay device; each integration distributed type KVM host end node is connected with more than two computer hosts; and the video output end of the computer host is connected with a splicing display terminal via the integration distributed type KVM splicing node. The system of the invention is flexible in layout and convenient to expand; meanwhile, the space is saved, the power consumption is reduced, the heat dissipation is improved, the stability is improved, and the system complexity is reduced.

The invention discloses a hydraulic system hydraulic cylinder structure meeting higher frequency response requirements and suitable for limited installation space. By integrating a hydraulic cylinderand a valve block, a cylinder barrel of the hydraulic cylinder is integrated with the valve block, so that the problems of connection, positioning and end surface matching of the hydraulic cylinder and the valve block are eliminated, and a servo valve with determined performance is flexibly matched; and a linear bearing and a piston rod are in contact in the form of a rolling pair. According to the hydraulic cylinder structure, the sliding friction force between the piston rod and the bearing can be eliminated, and the starting pressure of the hydraulic cylinder is reduced, so that the movingfrequency of a hydraulic system is increased, and the higher frequency response requirements compared to a traditional contact-type supporting mode are met; the hydraulic cylinder is integrated with the valve block, so that the size of the hydraulic cylinder is reduced, and the hydraulic cylinder is suitable for occasions with limited space; and the performance of the servo valve is selectable compared with the integration of the hydraulic cylinder and the servo valve, so that both low cost and good performance are achieved.