805 results about "Monitoring temperature" patented technology

Techniques for monitoring temperature inside refrigerators or heaters and tracking people and / or objects, particularly within a medical setting. For temperature monitoring, temperature readings are obtained using a temperature monitor. The temperature readings are transmitted from a radio frequency identification (RFID) tag to an RFID reader. The temperature readings received by the RFID reader are then monitored as a function of time. For tracking people or objects, RFID tags are attached to the people or objects, a facility is equipped with one or more RFID readers, and activity of the people or objects is monitored.

An optical thermal device and methods for monitoring temperature and detection of a vulnerable plaque of a patient comprising an elongate tubular element comprising at least one optical fiber; the fiber having at least one optical grating along an axis of the fiber; and a light source having a light beam that is coupled into the at least one optical fiber; wherein the optical grating reflects a certain wavelength or intensity of the light beam, the certain wavelength or intensity of the reflected light beam being correlated to the temperature of the tissue regions.

Systems, apparatus, and methods for monitoring temperature at a region near a surgical site during a procedure. A temperature-indicating element of an electrosurgical device comprises an indicator composition adapted to undergo a change in appearance in response to a pre-defined temperature range. The change in appearance of the temperature-indicating element indicates to the operator of the device a temperature condition at the working end of the device.

Railcar monitoring utilizes instrumented, flexible pads supported within the truck pedestal jaws on the bearing adapters. The pads contain sensors for monitoring temperature pressure, shifting loads, truck hunting and the like and have circuitry for processing information received from the sensors and for processing and reporting departures of performance variables to a remote source. The system cyclically activates polling each pad on a car and communicates signals of critical departures and car identity to a remote source.

An optical apparatus and methods for monitoring temperature enabling detection and treatment of a vulnerable plaque of a patient comprising an elongate catheter, a plurality of outer optical fibers deployably disposed within the lumen of the catheter and suitably expandable in an outwardly radial manner configured for forming a basket shape, the outer fibers having at least one optical grating along an axis of the fiber wherein the at least one optical grating reflects a certain wavelength or intensity of the light beam, the certain wavelength or intensity of the reflected light beam being correlated to known temperature, and a longitudinal middle optical fiber emitting a light energy suitable for photodynamic therapy.

A method is provided for facilitating installation of one or more electronics racks within a data center. The method includes: placing a plurality of thermal simulators in the data center in a data center layout to establish a thermally simulated data center, each thermal simulator simulating at least one of airflow intake or heated airflow exhaust of a respective electronics rack of a plurality of electronics racks to be installed in the data center; monitoring temperature within the thermally simulated data center at multiple locations, and verifying the data center layout if measured temperatures are within respective acceptable temperature ranges for the data center when containing the plurality of electronics racks; and establishing the plurality of electronics racks within the data center using the verified data center layout, the establishing including at least one of reconfiguring or replacing each thermal simulator with a respective electronics rack.

An optical apparatus and methods for monitoring temperature enabling detection and treatment of a vulnerable plaque of a patient comprising an elongate catheter, a plurality of outer optical fibers deployably disposed within the lumen of the catheter and suitably expandable in an outwardly radial manner configured for forming a basket shape, the outer fibers having at least one optical grating along an axis of the fiber wherein the at least one optical grating reflects a certain wavelength or intensity of the light beam, the certain wavelength or intensity of the reflected light beam being correlated to known temperature, and a longitudinal middle optical fiber emitting a light energy suitable for photodynamic therapy.

A method for remotely measuring body temperature of persons and for watching the persons, includes attaching one or more temperature measuring devices to one or more persons or patients, to detect body temperatures or locations or identifications of the persons or patients. The information detected by the temperature measuring devices may be sent to a monitoring device via a blue tooth receiver device, to receive and monitor and watch the changing of the body temperature or locations or identifications of the persons or patients wirelessly or remotely, without going to see and to contact with the persons or patients.

The present invention 10 provides a system and method of monitoring and tracking a plurality of physical variables from a remote location. The invention 10 utilizes a plurality of radio frequency identification transponders 20 each coupled with a sensor for measuring physical data. The transponders 20 are powered by a radio frequency reader / interrogator 60 that provides radio frequency excitation to the transponders 20 and receives and demodulates back-scattered signals therefrom. The invention 10 is particularly advantageous in monitoring temperature in cattle herds as an aid to early diagnosis of bovine respiratory disease.

Systems that measure temperatures of tissue during electrosurgery or laser therapy of the tissue or organs is provided. One system provides a pyrometer that measures infrared electromagnetic energy emitted by a surface of a tissue or organ thereby determining a sub-surface temperature of the tissue or organ. The system further has an energy generator and an ablation electrode or laser probe that delivers energy from the energy generator to a tissue or organ, responsive to a sub-surface temperature determined by the pyrometer. The pyrometer can be calibrated using a luminescent material having known optical properties as a function of temperature. The luminescent material can be positioned on the surface of the tissue or organ or inserted directly into the tissue or organ using a catheter. Methods in which the surface or sub-surface temperature of the tissue is measured during therapy are also provided.

A method and apparatus for monitoring changes in temperature or strain, using fiber Bragg gratings (FBG). The Method and apparatus is advantageously useful for the measurement under harsh conditions, such as by combustion turbines. The invention uses the wavelength shift which is caused by temperature or strain changes at the FBG and the changing of the refraction index of the fiber.

The invention relates to a method and a device for monitoring, also permanently and automatically, temperature distributions and / or temperature anomalies on the basis of distributed fiber-optic temperature sensing as well as to the use of such methods. According to the invention the detection of local temperature extremes, i.e. minimums or maximums, in view of the evaluation is performed by an evaluation without numeric derivations. With the device for monitoring ascending and supply pipes surrounded by an annular space it is possible to check the safety of pressurized installations, particularly in the field of low-pressure gas storage, in a cost-efficient manner. Moreover, the position of an underground watershed or respectively the direction and flow rate of the flows in flooded drift sections can be determined on the basis of fiber-optic temperature measurements. The defined arrangement of preferably vertical sensor cables inserted into the bores also makes it possible to examine the tightness of base sole and lateral walls in building excavations. Finally, the virtually horizontal, meander-shaped arrangement of fiber-optic cables situated in several levels makes it possible to evaluate and control the efficacy and homogeneity of leaching processes in leaching dumps and fills.

The invention discloses a combined type temperature control curtain wall of a triplex glass structure and a temperature control method of the combined type temperature control curtain wall. The upper end and the lower end of an inner glass curtain wall and an outer glass curtain wall are provided with window-blinds grating openings, an independent inner sandwiched heat exchange channel is formed between the inner glass curtain wall and an intermediate partition layer, and an independent outer sandwiched heat exchange channel is formed between the outer glass curtain wall and a glass curtain wall of the intermediate partition layer. Semiconductor thermoelectric temperature control units are uniformly distributed on the glass curtain wall of the intermediate partition layer. An environment monitoring system comprises a plurality of temperature sensors used for providing real-time monitoring temperature data of the target environment for a temperature reading module in a single-chip microcomputer control module, and the semiconductor thermoelectric temperature control units are controlled by the single-chip microcomputer control module. The combined type temperature control curtain wall not only can sufficiently develop double heat exchange action of natural ventilation technology and semiconductor temperature control technology at different seasons but can be equivalent to a green air conditioner coat breathable and adjustable in temperature on a building.

The invention discloses an active regeneration control method and device for a particulate trap. The method includes the specific steps that monitored pressure difference of a DPF is corrected in real time by monitoring temperature average values before and after exhaust gas of the DPF, accuracy of the pressure difference of the DPF is guaranteed, carbon carrying capacity is obtained through the corrected pressure difference of the DPF and airspeed searching, and therefore accuracy and reliability of the carbon carrying capacity are improved; active regeneration of the particulate trap is controlled according to the carbon carrying capacity, so that the regeneration control is not affected by changes of regeneration temperature and exhaust gas flow of the DPF, and therefore an active regeneration system of the DPF is controlled accurately, active regenerating effect is improved, and fuel oil consumption amount is reduced when active regeneration is performed.

A method and system for managing one or more thermal policies of a portable computing device (PCD) includes monitoring temperature of the portable computing device with internal thermal sensors and external thermal sensors. If a change in temperature has been detected by at least one thermal sensor, then a thermal policy manager may increase a frequency in which temperature readings are detected by the thermal sensors. The thermal policy manager may also determine if a current temperature of the portable computing device as detected by one or more of the thermal sensors falls within one or more predetermined thermal states. Each thermal state may be assigned a unique set of thermal mitigation techniques. Each set of thermal mitigation techniques may be different from one another. The sets of thermal mitigation techniques may differ according to quantity of techniques and impacts on performance of the PCD.

Several methods for measuring and monitoring temperature have been presented for systems requiring temperature monitoring. In one implementation, the system has been applied to battery assemblies. Temperature measurements for every part of the battery assembly are disclosed. In one aspect the surface temperature of a battery assembly is measured. In another aspect, the internal temperature of the battery assembly is measured. In other aspects, the internal and external temperatures of several battery assemblies are measured. Based on the measured temperature, control signals are generated by a control system to switch down the power of the battery charging system so as to prevent excess heat generation.

The present invention provides miniaturized instruments for conducting chemical reactions where control of the reaction temperature is desired or required. Specifically, this invention provides chips and optical systems for performing and monitoring temperature-dependent chemical reactions. The apparatus and methods embodied in the present invention are particularly useful for high-throughput and low-cost amplification of nucleic acids.

Disclosed is a process of determining, at a point during shipment, whether the solid phase refrigerant in a shipment is sufficient to preserve the shipment cargo, which is blood or other biological products, for the remaining shipment period, by: monitoring the temperatures encountered to said point and estimating the temperatures likely to be encountered during the remaining shipment period; determining the likelihood that the remaining refrigerant can maintain the shipment cargo within a specified temperature range during the remaining shipment period; and if the risk that the remaining refrigerant cannot maintain the shipment cargo within said range during the remaining shipment period is above a cut-off level, then taking action to preserve the value of the cargo.

An optical fiber grating wave length demodulation system belongs to the technical field of optical fiber sensing and optical measurement. The demodulation system comprises a broad band light source (1), a tunable filter (2), a 1x2 coupler, a wave length calibration module, a photodetector, a 1xN optical switch (5) and a signal processing system. The inside connection of the wave length calibration module is that: one end of a standard tool filter (6) is connected with an output end of a third 1x2 coupler (11)m the other end of the standard tool filter is connected with a reference grating (10), an input end of the third 1x2 coupler is connected with an output end of a first 1x2 coupler; the other output end of the third 1x2 coupler is connected with a signal processing system (9) by a second photodetector (4) to implement the wave length calibration. The calibration of the reflected optical fiber grating wave length can be implemented rapidly and accurately by the standard tool filter and the reference grating, the signal can be effectively demodulated for high precision. The system also can be used for monitoring temperature and stress and so on physical quantities.

The invention relates to the technical field of electric power engineering, in particular to a device and a method for monitoring the temperature and the current carrying capacity of a cable based on a distributed fiber temperature sensor and having function of monitoring the temperature and the current carrying capacity of the high-voltage cable on line. The device mainly comprises a temperature sensing fiber, a signal processing host and a cable dynamic current carrying capacity monitor, and is characterized in that the temperature sensing fiber is connected with an input end of the signal processing host, and output of the signal processing host is connected with the cable dynamic current carrying capacity monitor. Compared with the prior art, the device and the method have advantages that the fiber laid on the surface of the cable is used for measuring the temperature of the surface of the cable, test demonstration for measurement accuracy of the fiber and analysis for data of actual cases are carried out, the device is reasonable in structure, simple and convenient in operation, and high in measurement accuracy.

The invention relates to a method and device for monitoring a temperature adjusting device. The method for monitoring the temperature adjusting device includes the steps that the room volume and the current environment temperature of a room where the temperature adjusting device is located, and the current work mode of the temperature adjusting device are acquired; predicated temperature change data of the room in preset time are calculated according to the room volume and the current environment temperature and the current work mode; when the deviation between actual temperature change data of the room in the preset time and the predicted temperature change data of the room in the preset time is larger than a preset threshold, a prompting message is sent to a terminal bound to the temperature adjusting device, and the prompting message is used for prompting the reason why the deviation is larger than the preset threshold. The device for monitoring the temperature adjusting device can inform a user of a text message indicating the phenomenon that the temperature adjusting device breaks down, the experience of the user is improved, and a maintainer can easily maintain the temperature adjusting device.

The invention discloses a triaxial mechanical test device and method capable of simulating a formation condition of deep-buried artificial frozen soil. The device comprises a main body loading system,a freezing system and a sample testing system. In the main body loading system, a flange plate, a pressure bearing cylinder and a chassis form a pressure bearing shell, and the pressure bearing shellis provided with an outlet pipe and connected with an external existing hydraulic source. The freezing system is composed of a side wall freezing solution circulation channel and a bottom freezing solution circulation channel which are connected with an external existing cold source separately. In the sample testing system, an optical fiber sensor string pre-embedded in a sample is connected withan existing testing instrument and used for monitoring temperature and strain. The triaxial mechanical test device is matched with the existing servo control hydraulic source, the low-temperature cold source and the testing instrument or matched with an existing triaxial servo mechanical test machine (system), the formation condition of the deep-buried artificial frozen soil can be simulated, long-time high-pressure triaxial solidification of a soil sample is completed under the state of simulating original ground strain at first, then the soil sample is frozen under the pressure condition toform a frozen soil sample, and a triaxial mechanical test for the frozen soil sample is conducted.

The present invention provides miniaturized instruments for conducting chemical reactions where control of the reaction temperature is desired or required. Specifically, this invention provides chips and optical systems for performing and monitoring temperature-dependent chemical reactions. The apparatus and methods embodied in the present invention are particularly useful for high-throughput and low-cost amplification of nucleic acids.