86results about How to "Enable long-term monitoring" patented technology

The invention discloses a fiber bragg grating detection system device and method for detecting an anchoring force of an anchor rod. The fiber bragg grating detection system device consists of a fiber bragg grating sensor array, a fiber bragg grating anchor rod dynamometer, a fiber bragg grating demodulator, an optical cable and a computer, wherein the fiber bragg grating anchor rod dynamometer mainly comprises a plurality of fiber bragg grating sensors which are uniformly arranged on an annular elastic body arm and is arranged at the end part of the anchoring end of the anchor rod; meanwhile, the fiber bragg grating sensor array is distributed on a rod body of the anchor rod; the fiber bragg grating sensor array and the fiber bragg grating anchor rod dynamometer are respectively connected with the fiber bragg grating demodulator through the optical cable; and the fiber bragg grating demodulator is connected with the computer. According to the fiber bragg grating detection system device, the real-time detection on the stress of the anchor rod can be realized and the distributed measurement can be realized. The fiber bragg grating detection system device has the advantages of simple structure, convenience in mounting, high detection speed, long-distance monitoring, repeated use and easiness in protection and maintenance, and is widely applied to tunnels and slopes dug for coal mines, metallurgical mines, water conservancy, railways, roads and defense.

The invention relates to an automatic modulation and monitoring zonal injection method for water injection well and a system of the method. The method comprises the following steps: 1) a ground control system inputs a set flow value into a downhole modulation water segregator; 2) actual flow data of downhole water injection zonal levels are acquired, wherein the actual flow data comprise actual flow values, actual pressure values and actual temperature values; and 3) the downhole flow data acquired in the step 2) are compared with the flow value set in the step 1) and modulation water injection is carried out. The invention provides an automatic modulation and monitoring zonal injection method for water injection well and system of the method, thus no manual control is needed, monitoring of long term is realized, modulation time is shortened and labor intensity is reduced.

The invention brings forward a distributed fiber monitoring method and system for strains and stresses of a ship lock structure. The system comprises distributed sensitive optical cables, a data acquisition device, and a data processing and analyzing module; and the distributed sensitive optical cables are laid into tops and bottoms or inner surfaces and outer surfaces of reinforced concrete surface layers of a lock head base plate, a water delivery gallery, a lock chamber base plate, and a lock chamber wall by a way of binding with main ribs so as to form a U-shaped loop. After concrete pouring is completed for laying of the distributed sensitive optical cables into the tops and bottoms or inner surfaces and outer surfaces of the reinforced concrete surface layers of the lock head base plate, the water delivery gallery, the lock chamber base plate, and the lock chamber wall by a way of binding with main ribs, the distance between the sensitive optical cables and the surfaces of the concretes is 5 to 10cm; and the sensitive optical cables are deformed synchronously with the reinforced concrete structures and optical fiber sensors generate corresponding stresses. And a data acquisition station is established at the top of the lock head; and the laid sensitive optical cables lines are connected to the data acquisition station by optical cables.

The invention discloses a photoacoustic microscope. The photoacoustic microscope comprises a microscope system, a signal collection control system and a driving system. The invention further discloses a method for monitoring breaking of microvesicles in biological tissue with the use of the photoacoustic microscope. The photoacoustic imaging is combined with features of high contrast ratio of optical imaging and high resolution ratio of acoustic imaging. Due to low scattering properties of acoustic signal transmission in tissue, deeper penetration degree is obtained compared with a conventional optical imaging method. There is no need to slicing tissue and the method is non-invasive so that long-term monitoring is achieved. Photoacoustic microscope imaging equipment helps achieve imaging of multiple anatomical positions.

An embodiment of the invention relates to a method for generating health record information. The method comprises the steps of receiving identity information input by a user by a health terminal, identifying the identity information and obtaining a user ID; receiving first acquisition data which are acquired by a sign data acquisition terminal; receiving second acquisition data which are input bythe user, analyzing the second acquisition data for obtaining second sign data, corresponding second sign item information and second acquisition time information; acquiring the sign data and the acquisition time information in an item testing list by a server according to the user ID, and generating a sign data statistics chart according to the acquired sign data and the acquisition time information; analyzing the sign data statistics chart, and obtaining analysis result information; generating guiding information according to analysis result information of a plurality of pieces of sign iteminformation; and generating health record information which corresponds with the user ID according to the sign data statistics graph which corresponds with the plurality of pieces of sign item information, the analysis result information and the guiding information.

The invention discloses a long-gauge length carbon fiber strain sensing device. The long-gauge length carbon fiber strain sensing device comprises two groups of long-gauge length carbon fiber strain sensing elements with the same geometric size, three isolation film layers with the same size, a measurement connector, two anchoring sections and two parallel connectors, wherein one ends of the long-gauge length carbon fiber strain sensing elements are connected with the parallel connectors through electrodes respectively, the other ends of the long-gauge length carbon fiber strain sensing elements are connected with the measurement connector in series, and the two groups of long-gauge length carbon fiber strain sensing elements are located between adjacent isolation films respectively and have the same strain sensitivity coefficient and the same thermosensitivity coefficient. The long-gauge length carbon fiber strain sensing device achieves sensing of micro structural strain within a large range under long-term instable temperature and humidity conditions to meet civil engineering structural stress (strain) continuous detection and monitoring requirements.

The invention discloses a water environment intelligent monitoring system and method based on deep learning. The system comprises a water environment monitoring terminal, an edge processing device anda cloud management platform. The water environment monitoring terminal comprises a first micro central processor; a water surface monitoring camera, a position positioning module, a wireless radio frequency Lora module, a first wireless multimode communication module, a solar battery pack module and a first data storage module, which are electrically connected with the first micro central processor. The edge processing device comprises a second micro central processor; and an Ethernet module, a GPU processor, a second wireless multimode communication module and a second data storage module, which are electrically connected with the second micro central processor. The cloud management platform comprises a water pollution identification server, a Web server and a database server, wherein the Web server and the database server are electrically connected with the water pollution identification server. According to the invention, water environment long-term monitoring and pollution image evidence obtaining can be realized, and monitored image data can be stored and early warned.

The invention discloses an oil-gas pipeline polarization potential monitoring device, and relates to the technical fields of general corrosion prevention of a metal material, and pipeline systems. The device comprises a current interrupter, a couple corrosion meter, an adjustable resistor, a data collector, a probe, a portable reference electrode and a computer, wherein the negative end of the current interrupter is connected to the cathode of a pipeline test pile or a constant potential instrument, the positive end of the current interrupter is connected to one end of the couple corrosion meter, and the other end of the couple corrosion meter is connected with a rod-shaped tube steel electrode lead of the probe, and AI8 and AI9 of the data collector respectively through the adjustable resistor; AI GND 3 and AI GND 6 of the data collector are connected together, and then are connected with the AI9 of the data collector, or go through the adjustable resistor and then are connected with the AI9; and AI0 and AI1 of the data collector are connected with the long-acting reference electrode lead of the probe and the portable reference electrode respectively, and the USB interface of the data collector is connected with the USB interface of the computer. The device can realize the long-term monitoring of the real polarization potential, and the accurate calculating of the polarization current density of the probe.

The invention provides a method for detecting the roadbed strain by an optical fiber sensing technology. The method comprises the following steps: collecting virtual strain parameters of multiple monitoring points in a structural layer by utilizing a strain optical fiber sensor in multiple structural layers of roadbed, and collecting temperature parameters of multiple monitoring points by utilizing a temperature optical fiber sensor laid in the structural layer; acquiring virtual strain parameters from multiple monitoring points of a strain optical sensor, and acquiring temperature parametersfrom multiple monitoring points of a temperature optical sensor; calculating the differential value of corresponding virtual strain parameters by utilizing the temperature parameters to obtain accurate strain parameters of the multiple monitoring points; and determining the strain situation of the roadbed according to the accurate strain parameters of multiple monitoring points. According to the method, the detection steps can be simplified, deformation characteristics of the roadbed in the constructing period and operation period can be completely mastered, automatic monitoring and data collection of unattended operation can be realized, and far-distance detection can be realized.

The invention relates to a device for measuring outer side soil pressure of a shield tunnel. The device comprises an oil bag, a silica gel O-shaped sealing ring, a water swelling rubber sleeve, a cylinder barrel, a piston, a steel wire rope used for pulling the piston, a piston mounting supporting part used for mounting, an electric control system and an oil supply unit, wherein the oil bag is used for sensing soil body deformation and transmitting the soil pressure and engaged with the cylinder barrel through a thread, and compresses the silica gel O-shaped sealing ring to seal hydraulic oil;an outer thread and an inner thread are arranged on the lower part of the cylinder barrel, the outer thread is matched with an inner thread of a hoisting grouting hole, and the inner thread is connected with the piston mounting supporting part; a convex groove used for fixing the piston is formed in the lower position of the cylinder barrel, threads at the bottom and the top of the cylinder barrel are opposite in direction, and the thread at the bottom of the cylinder barrel and the inner thread of the hoisting grouting hole are the same in direction; and the piston is located in the cylinderbarrel and comprises an upper piston part, a formulating nipple, a heating rod, a pressure liquid level assembled temperature transmitter, an oil delivery pipe, an exhaust pipe and a lower piston part.

The invention relates to an alarm for responding to disaster events, in particular to a wireless low-power-consumption sensor network system for geological disaster early warning and a using method thereof. The wireless low-power-consumption sensing network system for geological disaster early warning comprises a wireless monitoring point (1) and is characterized by further comprising an early warning point (2) and a monitoring cloud (3), wherein the wireless monitoring point (1) comprises a sensor (11), a detection circuit (12), a microprocessor (13), a wireless communication module (14) anda power source (15); the early warning point (2) comprises a remote terminal unit (21), an early warning indication device (22) and an uninterruptible power supply (23); and each wireless communication module (14) is wirelessly connected with the remote terminal unit (21) or the monitoring cloud (3) of the early warning point (2), and the remote terminal unit (21) is wirelessly connected with themonitoring cloud (3). The wireless low-power-consumption sensor network system is high in environmental adaptability, reduces the system cost, and is high in monitoring automation degree.

The invention discloses a fuel cell electrocatalytic porous gold electrode with sugar as a raw material, and a preparation method thereof. The preparation method comprises the following steps of (1) electrodepositing a gold-tin alloy with a foam metal as a substrate, and (2) removing a metal tin. The porous gold electrode prepared by the invention has high active site density per unit area and large active area, the electron transport is facilitated, the effect of catalyzing the oxidation of the sugar is higher, and therefore, a fuel cell system with long life operation is provided.

The invention relates to the technical field of oil production engineering, and belongs to a gas well storage type integrated layered production allocation pressure gauge, which solves the problem in the prior art that long-term pressure monitoring and productivity allocation during a dynamic production process of two gas producing zones cannot be realized at the same time. The gas well storage type integrated layering and production allocating pressure gauge is formed by a salvaging connector (1), a positioning main body (2), anti-rotation pins (3), positioning scissors (4), torsion springs (5), scissor pins (6), regulating sleeves (7), a pressing cap (8), an air faucet (9), regulating rings (10), sealing packings (11), pressing rings (12), a production allocation main body (13), a sensor (14), a back-up nut (15) and a pressure gauge cabin (16). The gas well storage type integrated layered production allocation pressure gauge disclosed by the invention has the advantages that the structure is simple and reliable, static and dynamic production of two kinds of gas producing zones and long-term monitoring on pressure in a shaft can be realized at the same time, and the like.

The invention relates to a method for measuring earth pressure on the outer side of a shield tunnel. The adopted measurement device comprises an oil bag, a silicon rubber O-shaped sealing ring, a water-swelling rubber sleeve, a cylinder barrel, a piston, a steel wire rope for pulling the piston, a piston installation support component for installation, an electronic control system and an oil supply unit, wherein the oil bag is used to sense soil deformation and transfer earth pressure, is meshed with the cylinder barrel by threads, and presses the silicon rubber O-shaped sealing ring to realize the sealing of hydraulic oil; the lower part of the cylinder barrel is provided with an external thread and an internal thread, the external thread is matched with the internal thread of a hoistinggrouting hole, and the internal thread is connected with the piston installation support component; a convex groove for fixing the piston is arranged at a lower position of the cylinder barrel, the threads at the bottom and the top of the cylinder barrel have opposite directions, and the thread at the bottom of the cylinder barrel has the same direction as the internal thread of the hoisting grouting hole; and the piston is located in the cylinder barrel, and comprises an "upper" part of the piston, a formulation pair wire, a heating rod, a pressure liquid level set temperature transmitter, anoil delivery pipe, an exhaust pipe and a "lower" part of the piston.

The invention discloses a solid explosive packing box internal environmental monitoring system. The solid explosive packing box internal environmental monitoring system comprises a packing box internal environmental monitoring module, the packing box internal environmental monitoring module is used for recording and obtaining sealing box internal environmental parameters of a solid explosive underthe condition of storage and transportation, and sending the sealing box internal environmental parameters to control equipment in real time through a wired or wireless communication mode, so that maintenance personnel establish a solid explosive environmental information file conveniently; and the environmental monitoring module comprises a main control unit, and the main control unit is connected with a sensor acquisition unit, a communication unit, a memory unit, a clock unit and a power supply unit. The solid explosive packing box internal environmental monitoring system can effectively solve the problem of poor adaptability and waste of warehouse resources under a wired wiring mode.

The invention relates to a fixed type intelligent gradiograph, a fixed type intelligent gradiograph system and an implementation method. The gradiograph comprises a cylindrical cavity, micro-electro-mechanical tilt angle sensors are distributed at the upper, middle and lower positions in the cylindrical cavity, an active radio frequency identification data transmission module, a power supply module and a micro-control unit module are arranged close to the micro-electro-mechanical tilt angle sensor in the middle and are integrated to an IC circuit board, the three micro-electro-mechanical tiltangle sensors are connected with the micro-control unit module, the two micro-electro-mechanical tilt angle sensors respectively located at the upper and lower positions are connected with the micro-control unit module through middle axis cables, and the power supply module is used for supplying power to the whole gradiograph; and the micro-control unit module is connected with an external data collection end through the active radio frequency identification data transmission module. According to the fixed type intelligent gradiograph, the layout of a monitoring system is simplified, the usability of the monitoring system is improved, and the monitoring precision of the oblique and horizontal translation station changes of an underground space engineering structure is improved.

The invention relates to a device for monitoring the prestress loss of steel strands, which includes an optical fiber sensor, a temperature compensation sensor, a bellows, a lead protection sleeve, a sensor lead, a sensor protection gasket and a light grating demodulator; The optical fiber sensor is arranged at the inflection point of the steel strand along the length direction of the steel strand in the bellows, and the optical fiber sensor and the temperature compensation sensor are both connected to the optical grating demodulator through the sensor lead wire , the optical grating demodulator is used to obtain the wavelength information collected by the sensor in real time, and then obtain the real-time prestress change of the steel strand. The invention can solve the problem of lack of direct monitoring method for prestress loss in the construction process of existing large-scale building prestress components, and has convenient construction, simple operation and good engineering applicability.