745 results about "Contact temperature" patented technology

The device according to the invention provides a non-contacting temperature sensing device incorporating micro-bolometric detectors as the suitable infrared sensors for automotive applications. A first and second infrared sensors each include an active infrared sensing element and a temperature drift compensating element. A current bias is applied to the active infrared sensing element as well as to the temperature drift compensating element, which is identical in structure with the active infrared sensing element, and the voltage outputs of these two elements pass through a differential amplifier. The fluctuation in the substrate temperature or the ambient temperature affects the active sensing element and the compensating element in the same way, thus it is cancelled out. Instead of using one spectral band of the infrared radiation, as in the prior art, two spectral bands are used resulting in a first and second signal generated by the first and second infrared sensors. A ratio of the first and second signals is obtained. The ratio of the signals is emissivity independent, so that the device of the present invention provides a more accurate measurement of temperature. The need to compensate for window contamination is also eliminated by this two band approach. The filtering elements for the two bands can be multi-layer thin film filters either coated on flat windows or on diffractive micro-lenses. The use of diffractive micro-lenses further reduces the size of the device, and eliminates the need for a separate optical lens.

A transformation method for petroleum hydrocarbons includes the following steps: hot regenerated catalyst is returned to the bottom of a reactor after cooling down and is conveyed to the bottom of the first reaction zone of the reactor by pre-lifting gas so as to contact preheated base oil for cracking reaction; the mixture of reaction products, water vapor and catalyst enters into a diameter-expanded second reaction zone for further hydrocarbon transformation reaction with the reaction products, water vapor and spent catalyst undergoing gal-solid separation; gas phase products are separated to obtain various products; in addition, the spent catalyst is conveyed to a regenerator after steam stripping for recycling use after singeing regeneration or part of the spent catalyst directly enters into the mixer arranged at the bottom of the reactor. The method which adopts a reactor riser with two reaction zones improves the contact state of base oil and catalyst through lowering oil contact temperature so as to increase the yield and the selectivity of object reactant and to improve the properties of object product.

A temperature sensor assembly is disclosed, formed of flexible, resilient, and insulative material, so that a contact temperature sensor, situated in a housing and connected to an electrical meter, may be affixed temporarily or permanently to a (generally) cylindrical tube, pipe, or other “line,” the distal ends of the housing straps stretched and tensioned to press the housing and contact temperature sensor on to the exterior of such fluid line to keep the housing in the correct position on the fluid line, and the distal ends of the straps joined to secure the assembly to the fluid line, so that the temperature on the exterior of the fluid line, and the temperature of the fluid therewithin, may thereby be measured.

The invention discloses a coupling-based non-contact temperature measurement system, which comprises a controller, a drive circuit, a switch circuit, a resonant circuit, a temperature sensor and a signal detection circuit, wherein the drive circuit is connected with the controller, the switch circuit is connected with the drive circuit, the resonant circuit is connected with the switch circuit, the temperature sensor is coupled to the resonant circuit, and the signal detection circuit is connected with the resonant circuit and the controller. The temperature sensor is separated from other devices of the system, non-contact temperature measurement of an object is achieved by electromagnetic coupling, and the system with the simple circuits is low in cost, suitable for miniature design, andapplicable to a plurality of places. The invention further discloses a coupling-based non-contact temperature measurement method, which includes: transmitting temperature signals by electromagnetic coupling, calculating and analyzing according to the temperature signals, and accordingly achieving non-contact temperature measurement of the object. The method is applicable to reliable temperature measurement of inner core wires of a high-tension power cable.

A window fog detecting system for detecting fog on a windshield of a vehicle, including: a glass temperature detecting system including a contact temperature sensor attached to a portion of the windshield on the driver's seat side of the center in a width direction of the windshield, or to a portion where ceramic print is applied on the upper-side periphery of the windshield; a humidity detection device which detects the humidity of air in a vicinity of the inner surface of the windshield; and a judging device which judges the presence of fog on the windshield, on the basis of the detected values of the glass temperature detecting system and the detected values of the humidity detection device.

A method and apparatus for heating semiconductor wafers in thermal processing chambers. The apparatus includes a non-contact temperature measurement system that utilizes radiation sensing devices, such as pyrometers, to determine the temperature of the wafer during processing. The radiation sensing devices determine the temperature of the wafer by monitoring the amount of radiation being emitted by the wafer at a particular wavelength. In accordance with the present invention, a spectral filter is included in the apparatus for filtering light being emitted by lamps used to heat the wafer at the wavelength at which the radiation sensing devices operate. The spectral filter includes a light absorbing agent such as a rare earth element, an oxide of a rare earth element, a light absorbing dye, a metal, or a semiconductor material.

The invention provides a catalytic cracking fractional and divisional transformation method and device for heavy oil. The method comprises the following steps of: classifying heavy oil raw materials into a high grade catalytic raw material and an ungraded catalytic raw material according to the difference between reaction properties, wherein a riser reactor is taken as the reaction area of the high grade catalytic raw material, and a combined reactor consisting of a turbulent bed or a fast bed and a conveying bed is taken as the reaction area of the ungraded catalytic raw material; undergoing a reaction under respectively optimized process conditions of low-dose oil contact temperature difference and high-dose oil ratio; separating reacted oil gas from a catalyst; leading the oil gas out of a reaction system; and introducing the catalyst into a catalyst regenerator for scorching and regenerating. The invention also provides a device for implementing the catalytic cracking fractional and divisional transformation method. In the method, malignant adsorption competition between the ungraded raw material and the high grade raw material in the conventional riser reactor and retardation on the reactions are effectively avoided, the problem of insufficient reaction deepness of the ungraded raw material is solved, and the yields of clean oil and liquid are remarkably increased.

A method and system are provided for allowing non-contact temperature measurement of an animate body. More particularly, a transponder sensor device attached to an animate body is utilized to non-intrusively measure a temperature of the animate body in response to an interrogation signal transmitted over an air interface from a portable probe. In one embodiment, the sensor device is a passive device that is operative to collect energy from an interrogation signal emitted from the probe. In this regard, the sensor device does not require an internal power source. The collected energy is utilized to measure the temperature of the animate body and transmit a response signal containing temperature information back to the probe over the air interface.