4 results about "Gas thermometer" patented technology

The invention relates to a capacitor unit (12) comprising several capacitor elements (16) and a gas thermometer (22), wherein the capacitor elements (16) are arranged side by side of each other inside an enclosure (14), wherein the gas thermometer (22) is configured as constant volume thermometer and comprises a sealed tube (24) and a pressure sensor (26) arranged at a first end (28) of the tube (24) for detecting pressure changes of a gas inside the tube (24), and wherein the tube (24) is arranged such that at least some parts of the tube (24) are arranged inside the enclosure (14). Furthermore, the invention relates to a capacitor bank (10) comprising multiple capacitor units (12), wherein at least one capacitor unit (12) is configured as described above. Furthermore, the invention relates to the use of a gas thermometer (22) configured as constant volume thermometer for determining an occurrence of a hot spot inside an enclosure (14) of a capacitor unit (12).

The invention relates to an electrical apparatus (10) comprising an electrically isolated enclosure and at least one electrical component (12) inside the enclosure, wherein the apparatus (10) comprises a gas thermometer (16) for determining a temperature inside the enclosure, wherein the gas thermometer (16) is configured as constant volume thermometer and comprises a sealed tube (18) and a pressure sensor (20) arranged at a first end of the tube (18) for detecting pressure changes of a gas inside the tube (18), and wherein the tube (18) is arranged such that at least the first end is outside the enclosure and further parts of the tube (18) are at least partly arranged in-side the enclosure. Furthermore, the invention relates to a method for determining an occurrence of a hot spot inside an electrically isolated enclosure of the above electrical apparatus (10), comprising the steps of - receiving pressure data from the pressure sensor (20) of the gas thermometer (16), and - determining the occurrence of a hot spot inside the enclosure based on the received pressure data. Furthermore, the invention relates to the use of a gas thermometer (16) configured as constant volume thermometer for determining an occurrence of a hot spot inside an electrically isolated enclosure of an electrical apparatus (10).

The invention discloses a measuring instrument for measuring temperature, which relates to the field of temperature measuring instruments and comprises a support frame, a bearing mechanism is movably mounted at the bottom end of the support frame, a moving mechanism is mounted at the top of the support frame, and a deflection mechanism is mounted on the outer wall of the upper part of the support frame. And a lifting mechanism is mounted at the output end of the deflection mechanism. The temperature measuring mechanism integrates three core elements, namely a platinum resistance thermometer, a gas thermometer and an infrared thermometer, can respectively cope with solid contact temperature measurement, gas medium temperature measurement and non-contact temperature measurement, breaks through the scene limitation of a traditional single temperature measuring instrument, and can flexibly switch temperature measuring modes according to the state of a measured object, so that the temperature measuring efficiency is improved. And meanwhile, four electric cylinders II are independently driven by a controller, so that the lifting precise control of a platinum resistance thermometer, a gas thermometer and an infrared thermometer and the data optimization of a signal processor can be respectively controlled, the temperature measurement flexibility and precision are considered, and the device is suitable for diversified industrial or laboratory temperature measurement scenes.

The utility model discloses a water-steam separator testing device of a steam box, belongs to the technical field of steam boxes, and solves the problems that an existing device cannot eliminate moisture entrained in steam, errors are brought to test calculation, the accuracy of a thermal efficiency calculation result is influenced, and the judgment of a final energy efficiency grade is inaccurate. Comprising a gas system, a water inlet system, a tested steam box and a water vapor separation system, the gas system comprises a gas valve, a gas pressure regulator, a gas flowmeter, a gas thermometer and a gas pressure gauge, and the water inlet system comprises a water inlet thermometer, a water valve, a booster pump, a water container and an electronic scale. Through the arrangement of the gas system, the water inlet system, the tested steam box and the water-vapor separation system, condensate water in the steam box is drained by opening a valve of a condensate water outlet, water discharged from the condensate water outlet is weighed by an electronic scale, and the weight of the water is recorded, so that the weight of water in water vapor is conveniently recorded, and the purpose of conveniently separating the water from the steam is achieved.