Abstract:
Die Erfindung betrifft ein Verfahren zum Betreiben einer Schaltanlage (1) und eine gemäß dem Verfahren betreibbare Schaltanlage (1). Das erfindungsgemäße Verfahren umfasst wenigstens die folgenden Schritte: Messen einer Leitertemperatur an einem jeweiligen Messpunkt jeder der wenigstens drei Phasen, um jeweilige Phasentemperaturmesswerte zu erhalten; Bilden eines Mittelwerts der Phasentemperaturmesswerte; Vergleichen der Phasentemperaturmesswerte mit dem Mittelwert der Phasentemperaturmesswerte; und Erzeugen eines Alarmsignals, wenn einer der Phasentemperaturmesswerte um mehr als einen vorbestimmten Alarmschwellwert von dem Mittelwert der Phasentemperaturmesswerte abweicht. Die erfindungsgemäße Schaltanlage (1) besitzt wenigstens drei Phasen, wobei an jeweiligen Messpunkten jeder der wenigstens drei Phasen a Temperatursensoren (18) angeordnet sind, die dazu ausgebildet sind, Leitertemperaturen zu messen, um Phasentemperaturmesswerte zu erhalten. Die Schaltanlage (1) umfasst außerdem eine mit den Temperatursensoren (18) verbundene Steuereinheit (17), welche ausgebildet ist, das erfindungsgemäße Verfahren durchzuführen.
Abstract:
본 발명은 열화상을 활용한 철판 피복 콘크리트 합성부재의 공극 탐지방법과 이를 적용한 철판 피복 콘크리트 합성부재의 시공 관리방법에 관한 것이다. 본 발명에 따른 철판 피복 콘크리트 합성부재 내부 공극의 탐지방법은, 공극 판정 기준이 되는 기준온도차를 설정하되, 기준온도차는 현장온도와 콘크리트 타설온도에 따른 철판 피복 콘크리트 합성부재 내부의 공극과 비공극의 온도 차이로 설정하는 제1단계; 철판 피복 콘크리트 합성부재의 시공 전에 현장온도와 콘크리트 타설온도를 측정하고, 제1단계에서 설정된 기준온도차에서 측정된 현장온도와 콘크리트 타설온도에 대응하는 기준온도차를 추출하는 제2단계; 철판 피복 콘크리트 합성부재의 시공 중에 콘크리트 타설 부위의 철판 표면온도를 열화상으로 측정하고, 측정된 철판 표면온도에서 주변부와의 온도차이가 제2단계에서 추출된 기준온도차 이상인 구간을 공극으로 판정하는 제3단계;를 포함하여 이루어지되, 제1단계와 제2단계에서 현장온도는 현장에서의 외기온도 또는 현장에서 콘크리트 타설 전에 열화상으로 측정한 철판 표면온도의 평균온도로 설정하는 것을 특징으로 한다. 이와 같은 방법으로 공극을 탐지한 후에는 공극으로 판정된 구간을 추가하여 다짐하여 공극을 해소할 수 있다.
Abstract:
The present invention provides a system for monitoring brake balance of a motor vehicle by measuring temperatures of each wheel having a temperature sensor constructed and arranged for measuring temperature of a motor vehicle brake and recording each temperature measurement as a temperature reading, a communications link between said sensors and a data compiler, wherein the communication link receives transmitted information from each of said sensors relating to temperature readings, a temperature groups sorter configured to receive information on temperature readings from said data compiler and sorts each reading into one of at least two groups based on a selected temperature group range, and an output configured for output of information relating to said temperature readings from said temperature groups sorter.
Abstract:
Apparatus and methods for detecting a characteristic of a ground engaging product on earth working equipment are described. The apparatus is operable to: measure a temperature profile at a ground engaging product location; compare the measured temperature profile with an expected temperature profile for that ground engaging product; and indicate a characteristic of the ground engaging product based on the comparison. Thermal inserts for use with ground engaging products on earth working equipment are also described.
Abstract:
Differential thermoelectric devices are provided for monitoring a change of areal thermal energy dissipation rate and surface temperature profile. The devices include a through electrode connecting to different sets of thermoelectric elements at different regions of the device. A sensing circuitry is electrically connected to the thermoelectric elements to measure a voltage output.
Abstract:
In one aspect, the invention relates to a configurable thermostat including a thermostat core having a user interface. The user interface includes a plurality of user interface keys, a display, a temperature sensor, and a temperature control. The configurable thermostat also includes a universal thermostat expansion port. The universal thermostat expansion port is disposed on the thermostat core. The universal thermostat expansion port includes at least one electrical connector. The electrical connector electrically couples a daughter board to the thermostat core, wherein the daughter board is communicately coupled to the thermostat core by an ASCII communications protocol. According to another aspect of the invention, a method for configuring a thermostat uses a personal computer with a thermostat having a user removable memory. Yet another aspect of the invention is a method for rapidly producing a thermostat having new features without needing to redesign the entire thermostat.
Abstract:
A temperature measurement circuit integrated in a semiconductor chip (20) having a plurality of local temperature sensors (10), and a central processing unit (1) connected to the plurality of local temperature sensors (10) via respective integrated wiring structures (15) in the semiconductor chip (20). The central processing unit (1) has a control logic unit (2) and an analog-to-digital converter, ADC, circuit (4-8) for providing digital measurement output data. The control logic unit (2) is connected to the ADC circuit (4-8) and arranged to select one or more of the plurality of local temperature sensors (10) and execute a measurement cycle for the selected one or more of the plurality of local temperature sensors (10). Optionally, a central temperature sensor (11) is provided as part of the central processing unit (1) to improve accuracy of the temperature measurements.
Abstract:
A microcalorimeter device capable of measuring cellular bioenergetics and systems that are limited in analytic volume. The microcalorimeter device provides sub-nWatt resolution and even tens of pico-Watt resolution, thus enabling resolution of the metabolic rate of a single cell.
Abstract:
A composite sensor fibre comprising a filamentary core (12) and an outer layer (30) encapsulating an intermediate sensor layer (20) of a detectably thermoresponsive material. Also disclosed are a method of making composite sensor fibres, a dressing comprising a fabric having a matrix of the fibres, and a method of monitoring a wound that utilises the dressing.