100results about How to "Long-term monitoring" patented technology

A cardiac arrhythmia monitor provides electrodes to allow daily ECG measurements of a patient without cumbersome electrode connection to the patient. ECG data may be diagnosed by the monitor to indicate likelihood of an arrhythmia and an indication provided to the patient ECG data based on that indication may be forwarded to a physician or other healthcare professional for a review.

Apparatus for assaying an analyte in a body comprising: at least one light source implanted in the body controllable to illuminate a tissue region in the body with light at at least one wavelength that is absorbed by the analyte and as a result generates photoacoustic waves in the tissue region; at least one acoustic sensing transducer coupled to the body that receives acoustic energy from the photoacoustic waves and generates signals responsive thereto; and a processor that receives the signals and processes them to determine a concentration of the analyte in the illuminated tissue region.

Continuous remote monitoring of patients based on data obtained from an implantable hemodynamic monitor provides an interactive patient management system. Using network systems, patients are remotely monitored to continuously diagnose and treat heart-failure conditions. A screen displayable summary provides continuous feedback and information to physicians, patients and authorized third parties. The quick look summary includes various sites and presentation tailored to match the patients' and physicians' needs. The quick look summary further includes intelligent features that understand and retain the user's interests, preferences and use patterns. Patients, physicians and other caregivers are seamlessly connected to monitor and serve the chronic needs of heart-failure patients in a reliable and economic manner.

The invention relates to a remote body sensing control hydrology and water quality monitoring system platform. The platform comprises a hydrology sensing module, a water quality sensing module, a meteorology sensing module, a video acquisition module, a GPS/big dipper navigation module, a multipurpose power supply system, a data collector, a control system, a GPRS communication module, a server and terminal equipment. A multipurpose power supply comprises a solar power supply and a direct current stand-by power supply module and provides power for a system platform. The data collector is connected to various sensing modules and receives data collected by a sensor. The video acquisition module carries out real-time video monitoring and a client realizes hydrology state live broadcasting. A GPS/big dipper positioning system accurately positions the system so that a background acquires system position information and surrounding terrain information on a map and makes the system move to a new destination through marking the destination. A system control module comprises a remote control sensing module and a gesture sensing induction motion direction identification module, and realizes a dual control function that a remote controller and an authorized operator carry out system movement control through correlation gesture motion. Bidirectional communication of platform acquisition information and control information sent by a client and data processing are completed by the GPRS communication module and a server terminal.

The invention provides a method for monitoring the bending moment of an airplane wing in real time based on an FBG (fiber bragg grating), and the method comprises the following steps: 1, pasting FBG sensors on the airplane wing; 2, converting a central wavelength signal of the FBG sensor into a stress value of a measurement point; 3, carrying out the solving of a stress of the surface of the airplane wing in an axial direction; 4, calibrating the unit flexural rigidity; 5, calculating the bending moment through the stress value of the measurement point. Through the above steps, n groups of FBG sensors are pasted on the airplane wing, and a known concentrated force is applied to the tail end of an airplane wing rigid shaft. Moreover, the relation between the stress and the bending moment is built through the plane stress state of the surface of the airplane wing, thereby achieving an effect of converting the stresses measured by the FBG sensors into bending moments, and solving a problem of the real-time monitoring of the bending moment of the airplane wing.

The invention discloses an active soil gas collecting device and collecting method. The active soil gas collecting device comprises a gas collecting bag, a gas sampling device, a filter, a nylon gas guiding pipe and a soil gas sucking and filtering device, wherein the gas sampling device is composed of a diaphragm pump, a regulating valve, a buffer, a flow meter, an electronic time-controlled circuit, an under-pressure indicating circuit, a power supply, a gas inlet and a gas outlet, wherein the soil gas sucking and filtering device consists of a fixed cylinder frame, a filter net, gravel, a nylon gas guiding pipe and a threaded pipe joint. When a soil gas is collected, the gas inlet pipe of the gas sampling device passes through the filter, and is connected with the nylon gas guiding pipe of the soil gas sucking and filtering device by virtue of a flexible through connection pipe, and the gas collecting bag is connected with the gas outlet pipe of the gas sampling device. The active soil gas collecting device can be used for collecting the soil gas in an existing monitoring cell, and can be distributed in soil of different depths according to a test requirement for collecting soil gases of different depth ranges, can be used for realizing long-term monitoring in the fixed-point soil, is simple in structure, high in soil gas collecting efficiency, and convenient and rapid to operate, and has a good effect.

The invention is concerned with the combination depositing catcher, includes the catcher main body, the biology web in the catcher main body, the characteristic is: the catcher main body is round tube shape, the ratio of the catcher height and the opening outer diameter of the catcher is 4 to 5, sets the annular protrusion on the inner wall of the round tube, the biology web is on the annular protrusion. The top of the catcher main body is PVC round tube, the bottom is transparenc organic glass round drum depositing collecting equipment, sets internal thread at the bottom of the PVC tube, sets the external thread at the top port of the depositing collecting equipment, the bottom of the PVC tube and the drum depositing collecting equipment is the screw threaded connection, the depositing collecting equipment collocates the cover with internal thread. The catcher is collocated several stainless steel biology webs with different aperture.

The invention discloses a long-term deflection monitoring system and method for a long-span bridge. The monitoring system comprises a plurality of static level gages which are installed on a monitored bridge body through multiple installation frames, the monitored bridge body is a box girder, and the installation frames are installed at the bottom of a box girder top board; each installation frame comprises a triangular supporting frame and a supporting board which is installed on the triangular supporting frame and is adjustable in installation height, the triangular supporting frames are transversely arranged in the bridge direction, and the static level gages are installed on the corresponding supporting boards. The monitoring system is easy and convenient to install and arrange, influence from external environment is small, the monitoring precision is high, and the use effect is good. The monitoring method comprises the first step of determining measured points and selecting a datum point, the second step of installing the installation frames, the third step of installing the static level gages, and the fourth step of monitoring the deflection for a long term. The process of monitoring the deflection for a long term comprises the steps of obtaining the initial liquid level height, determining the monitoring time points of the deflection and monitoring the deflection. The monitoring method is simple in step, convenient to implement, good in use effect and capable of effectively monitoring the deflection of the bridge for a long term.

A device for determining the concentration of volatile constituents of motor oil is described.

The invention belongs to the technical field of ocean temperature depth profile detection, and particularly relates to an ocean temperature depth profile detection system based on a combined type high-precision temperature measuring cable. The ocean temperature depth profile detection system mainly comprises a buoy unit, a temperature measuring cable unit and an anchor system unit which are connected and communicated in sequence, wherein the buoy unit comprises a buoy body and a system control module fixedly arranged in the buoy body; the temperature measuring cable unit is formed by serially connecting a plurality of temperature measuring single sections end to end in sequence; the anchor system unit comprises an anchor body, the anchor body is a metal body comprising a cavity and is sealed, and a power supply module and a battery are arranged in the cavity. The ocean temperature depth profile detection system is based on the buoy technology, adopts the combined type underwater temperature measuring cable, can be flexibly distributed in sea areas at different depths in a single-point or multipoint manner, obtains ocean temperature at different depths according to temperature sensors on the temperature measuring cable at different positions, realizes precise, real-time and long-term monitoring of multipoint and different ocean depth temperature data in specific sea areas, and has the advantages of low cost, easy implementation, high temperature measuring precision and good reliability.

The invention discloses an ultraviolet-ray intelligent monitoring oil-spilling alarm system comprising a monitoring center and an oil-spilling detection terminal. The oil-spilling detection terminal is in communication connection with the monitoring center and transmits detected information to the monitoring center; an electronic chart display system is arranged at the monitoring center; and the oil-spilling detection terminal is displayed on the electronic chart display system correspondingly. According to the invention, the oil-spilling detection terminal is displayed on the electronic chart display system correspondingly; and on the basis of the electronic chart of the monitoring center, a monitoring worker can inquire monitoring situations of all monitoring points at any time. Once an oil-spilling situation occurs at a monitoring area and the oil-spilling thickness exceeds a set thickness, an audible-visual annunciator installed at the field can carry out alarming immediately to warn the monitoring worker to carry out corresponding operation and thus the monitoring efficiency of the oil spilling at the water surface can be improved.

The invention relates to a continuous online CO2 monitoring system and method for underground fluids. The continuous online CO2 monitoring system comprises a gas inlet, a first solenoid valve, a dehumidification restorable pipe, a second solenoid valve, an array type infrared CO2 sensor, a third solenoid valve, an electromagnetic pump, a fourth solenoid valve and a gas outlet which are connected sequentially through a pipeline, wherein one end of a drying and filtering pipe is connected with the second solenoid valve through the pipeline, and the other end of the drying and filtering pipe is connected with the fourth solenoid valve through the pipeline; the dehumidification restorable pipe, the array type infrared CO2 sensor, the electromagnetic pump and the four solenoid valves are electrically connected with a master control unit respectively. The monitoring method comprises the following steps: the master control unit controls a communication channel of the four solenoid valves, and a monitoring gas channel, a cleaning gas channel and a dehumidification restoring channel are formed. With adoption of the monitoring system and method, wide-range continuous monitoring of CO2 concentration in a high-humidity environment is realized, various filter and compensation means are adopted, the anti-interference performance is good, errors are reduced effectively, the monitoring precision is high, the stability is good, and effectiveness of earthquake prediction is improved.

The invention relates to an environment-friendly river sewage monitoring and processing device. The environment-friendly river sewage monitoring and processing device comprises an energy acquisition system, a monitoring and processing system, a sewage processing system, and an intelligent control system. The energy acquisition system comprises a solar panel power generating device and a hydropowergenerating device. The monitoring and processing system comprises a water quality monitoring component, a neutralization component, and a frame support component. The sewage processing system comprises a water processing device and an aeration device. The intelligent control system comprises a power storage room, a control room, and a signal transmission room. By performing detailed configurations on each component, whether the sewage is discharged in the river channel or not can be monitored in real time; and the device self initiates the step of processing the sewage while transmitting signals to the external intelligent device and/or to the upstream and downstream gate systems in real time. Therefore, purification and no pollution of water in the river channel can be truly realized.

The invention discloses a continental margin hydrate environment geology dynamic monitoring system and method. The method comprises the steps of monitoring the dissolved methane flux, the dissolved oxygen content, the pH value, the Eh value and other parameters of a leakage source in a water body on the basis of a seabed multi-parameter sensor technology; monitoring the free methane flux leaked ina bubble plume mode by combining an ultrasonic flowmeter; based on a distributed optical fiber technology, monitoring the stress and strain of a potential unstable slope, so that comprehensive monitoring of landslide and environmental changes for the slope with natural gas hydrate existing on a continental margin is achieved; and through the establishment of a small-scale submarine observation network, unified power supply and data acquisition, monitoring the dynamic activity of a hydrate reservoir and the resulting environmental effects, so that the in-situ, long-term and continuous monitoring and early warning capabilities are formed, the mechanism and rules of geological hazards possibly induced by hydrates are mastered, technical support is provided for the hydrate exploitation process, the practical value is high and implementability is high.

The invention discloses a non-dispersive infrared light gas detection system adopting an electric pulse infrared light modulation method, so as to reduce power consumption at the part where infrared light is modulated, and stability is improved; an internal coating method is adopted in structural design of a gas chamber, so that infrared light diffusion and external disturbance are reduced further, and gas detection accuracy is improved; a calibrating circuit is used for signal processing, so that different collected gas can be detected accurately through calibration; a programmable logic device is adopted to calibrate different environmental factors in air through software collection, the functions of data teletransmission, abnormity warning and the like are achieved through FPGA treatment, thereby improving module detection precision, timeliness and stability and reducing system cost simultaneously. The non-dispersive gas detection system disclosed by the invention has the advantages that the system is small in volume and low in power consumption, continuity and timeliness of gas detection can be achieved, and the detection precision is improved greatly.

The invention provides a sensor for measuring the relative slippage between interfaces based on the EFPI principles. The sensor can comprise two optical fibers and two inclined planes disposed on a reflection inclined plane. The surface of each inclined surface is provided with a reflection plane, and the bottoms of the optical fibers are provided with reflection end faces. Moreover, the reflection planes are perpendicular to the optical axis of one optical fiber, thereby forming a Fabry-Perot cavity between the reflection end faces and an emission plane. At this moment, the slippage of an object B relative to an object B in a plane can be measured. Also, one optical fiber and one inclined surface can be added, so the slippage of the object B relative to the object A in a three-dimensional space can be measured. The sensor is not affected by temperature and electromagnetic factors, is high in precision, and is high in anti-interference and durability performances. The sensor is good in application prospect, is especially suitable for the high-precision measurement of the slippage and environment temperature under the action of structure static force and power or long-time load, and can judge the safety degree of a structure.