516 results about "Radiation temperature" patented technology

A temperature measurement apparatus for measuring a temperature profile of a substrate mounted on a rotating table, including a radiation temperature measurement unit configured to measure the temperature of plural temperature measurement areas on a surface of the rotating table in a radius direction of the rotating table by scanning the surface of the rotating table in the radius direction; a temperature map generating unit that specifies the address of the temperature measurement area based on the number of the temperature measurement areas measured by the radiation temperature measurement unit for each of the scanning operations in the radius direction of the rotating table, and the rotating speed of the rotating table, and stores the temperature in correspondence with the corresponding address in a storing unit; and a temperature data display processing unit that displays a temperature profile of the rotating table.

The invention discloses a system for intelligently controlling an indoor environment based on thermal imaging technology, which comprises a thermal imaging sensor, a human-computer interaction interface device and an area controller, wherein the thermal imaging sensor acquires thermal imaging data of the indoor environment and identifies and analyzes the thermal imaging data so as to calculate a subjective radiation temperature; and the area controller adjusts the refrigerating and heating capacities at the tail end of an indoor air conditioner according to the subjective radiation temperature and the temperature set by the human-computer interaction interface device so as to perform optimized control on the indoor environment to achieve a temperature comfortable for indoor personnel. The system and a method for intelligently controlling the indoor environment based on the thermal imaging technology can adjust the temperature of the indoor environment, improve the personnel comfort level and work efficiency, reduce the energy consumption and improve the management level of an automatic control system of a building under the condition of acquiring comprehensive environment and personnel information.

The invention discloses a comfort control method of an air conditioner. The method comprises the steps that when it is detected that the comfort control of the air conditioner is started, a target comfort level is obtained; the indoor environment temperature, the dress heat resistance, the human body metabolic rate and the radiation temperature are obtained; the target comfort level, the indoor environment temperature, the dress heat resistance, the human body metabolic rate and the radiation temperature are substituted into a preset comfort level formula, and a comfort curve with wind speed and humidity associated is obtained; and according to the comfort curve with wind speed and humidity associated, the air conditioner is controlled to run. The invention further discloses a comfort control device of the air conditioner. By means of the embodiment, the temperature of a room can reach and be stabilized in the most comfortable human sensation state. According to the method and the device, the temperature of the air conditioner can be stabilized within the comfort range, and the energy-saving effect of the air conditioner is achieved.

The invention discloses an infrared radiation precise temperature measuring method. The infrared radiation precise temperature measuring method comprises the following steps that: Step 1: ambient reflection temperature Tu is measured; step 2: ambient atmospheric temperature T alpha is measured through using a thermometer, and atmospheric transmittance tau alpha is calculated according to the distance between a measured object and infrared radiation temperature measuring equipment; step 3: the radiation temperature Tr of the measured object is measured through using the infrared radiation temperature measuring equipment; step 4: the emissivity epsilon n and the reflectivity Rho n of the measured object as well as the sum alpha of the emissivity and the reflectivity are determined, wherein the alpha <= 1; step 5: measurement values of T alpha, Tu and Tr are input to the infrared radiation temperature measuring equipment, such that the value I (T alpha) of an ambient atmospheric temperature signal, the value I (Tu) of an ambient reflection temperature signal and the value I (Tr) of a radiation temperature signal of the measured object are calculated, and the values are substituted into an actual object infrared temperature measuring formula which is mentioned in the description, such that the value I (T0) of the infrared radiation temperature measuring signal is calculated; and step 6: according to the calibration formula of a thermal infrared imager, conversion calculation is performed so as to obtain the authentic temperature T0 from the value I (T0) of the infrared radiation temperature measuring signal.

The invention discloses a room temperature control method which mainly comprises a control method under an empty room pattern, and also comprises a control mode under a guest greeting pattern. Comfort temperature acquisition in set time is taken as a control target after people live again, the comfort degree and satisfaction degree of people can be considered when people just live, and the energy-saving requirement of an air conditioning system by scientific control of room temperature under the empty room pattern can be met. According to the invention, a sensor is not required to be installed outdoors, the heat gaining condition of air in a room can be monitored and the time of predicting room temperature to comfortable temperature after starting up can be forecast by only collecting air temperature and average radiation temperature under the empty room pattern; and the method is especially suitable for room temperature control of guest rooms of star-level hotels under the empty room pattern, and also can be applied to air conditioner forecasting control of other living buildings when in startup and shutdown in advance.

The invention belongs to the technical field of infrared imaging, and specifically relates to a high-precision non-uniformity correction method for dynamic adjustment of integration time. The method of the invention comprises the following steps: determining linear relation between a detector response value and the integration time span under a fixed temperature; performing non-uniformity correction; calculating a non-uniformity correction parameter; performing self-adaptive adjustment of the integration time span according to an radiation temperature, determining the section that the integration time span is in, generating the non-uniformity correction parameter in real time in the current integration time, and completing the non-uniformity correction process. The method of the invention realizes continuous adjustability of the integration time in the working process of an infrared detector, solves the problem of inadaptation between the integration time span and the non-uniformity correction parameter of the infrared detector when the change range of the temperature of the scene is large, reduces influence of switching of the integration time on detector performance and recognition tracking, and can give full play to the detection performance of the detector in the working process.

The invention discloses a control method of an air conditioner. The control method comprises the following steps: acquiring radiation temperature in a room and the surface temperature value of a human body; acquiring the position of the human body and the operation air speed value at the position; acquiring heat dissipating capacity of the human body according to the difference value between the surface temperature value of the human body and the radiation temperature, as well as the air speed value of the position of the human body; acquiring the cold-hot feeling state of the human body according to the heat dissipating capacity of the human body; controlling the air conditioner to work according to the cold-hot feeling state. The invention also discloses an air conditioner. The operating parameters of the air conditioner are automatically adjusted through the current cold-hot feeling state value of the human body to ensure that the human body is in a comfortable state, so that the problem of discomfort caused by excessively cold or hot feeling due to the reason that a user manually adjusts the operating parameters of the air conditioner is solved.

A mirror apparatus includes a plurality of holes which are divided by partition wall portions on a back surface of a mirror, a plurality of thin film piezoelectric elements which are fixed to bottom surfaces of the plurality of holes respectively, a radiation temperature-regulating plate which has a plurality of projections inserted into the holes, and a mirror control system which individually controls voltages to be applied to the plurality of thin film piezoelectric elements to deform the mirror. The mirror can be efficiently deformed and/or cooled from the side of the back surface without transmitting any vibration to the mirror.

The invention provides a method for measuring temperature in real time. The method is characterized in that temperaturemeasurement comprises the following steps: processing radiation lights emitted by a measured object by a light-splitting mechanism to obtain two or more than two multi-wavelength radiation light beams; receiving radiation energies with different wavelength by a photoelectric detector to obtain a radiation energy ratio; calculating corresponding temperature values according to a formula of the blackbody radiation theory; obtaining correction factors of single-wavelength radiation energies by taking a temperature value calibrated by a standard blackbody radiation source in a high-temperature range as a criterion; and calculating the corrected single-wavelength radiation energies to obtain a temperature value in a low-temperature range. The method has the advantages that with the adoption of a multi-wavelength optical temperature measuring technology, measurement errors caused by emissivity of an object surface, a temperature measuring distance, a temperature measuring angle, and environmental factors such as air flows, impurities and the like are reduced, and the temperature measuring accuracy is improved; the measuring accuracy and stability is improved, and the measuring range is widened extremely by the corrected single-wavelength radiation temperature measurement.

The invention provides a low-cost temperature-measurement imaging system avoiding the problem of synchronous difference brought by a plurality of imaging elements. The temperature-measurement imaging system comprises an optical lens group, a dispersion prism and reflection mirror group, imaging elements and a signal processor along an optical path; an optical filter group is arranged before the imaging elements and comprises at least two groups of optical filters; the number of the optical filter groups is one less than the number of optical signal groups after passing through the dispersion prism and reflection mirror group; and the imaging elements are signal-chip single-color CCD (Charge-Coupled Device) or CMOS (Complementary Metal-Oxide Semiconductor) imaging elements. In the invention, on the basis of the thermogenic radiation of an object, the non-contact system and the non-contact method can be used for comparing a plurality of signals so as to detect a temperature-measurement boundary of the object, calculating the surface temperature of the detected object by using a multiband thermogenic radiation temperature algorithm and system characteristics and can also be used for carrying out the two-dimensional characterization on a temperature field of the surface of the object to be measured. The invention can be conveniently applied to various high-temperature fields.

The invention provides an adaptive integral time based embedded infrared image superframe processing method, and aims at exerting the advantage of the infrared image superframe processing method on improving the detection sensitivity and dynamic range of an infrared imaging system, effectively solving the shortage that the integral time of acquiring sub-frames in the traditional superframe processing method cannot be adaptively adjusted according to the target scene radiation temperature, as well as guiding well a detector to work in a medium area within the whole response rang. The method comprises the steps of offline calibration and online processing. The invention further provides a correction measure for the problem of non-uniformity of an image caused by the adjusting of the integral time of the detector. The method is an embedded platform based infrared image superframe processing method and does not need any special device during implementing; in addition, the method can be applied to real-time engineering.

The invention discloses a controlling method of an air conditioner. The controlling method comprises the following steps that temperature near a human body of a user, humidity near the human body of the user, clothing thermal resistance, the human metabolic rate, the air speed near the human body of the user and ambient radiation temperature in the environment where the air conditioner is locatedare acquired; the comfortable degree of the human body is calculated according to the clothing thermal resistance, the human metabolic rate, the temperature near the human body, the humidity near thehuman body, the air speed near the human body and the ambient radiation temperature; and operation of the air conditioner is controlled according to the comfortable degree of the human body. The invention also discloses the air conditioner. The operation of the air conditioner is controlled according to the accurately calculated comfortable degree of the human body, maintenance of the better comfortable degree of the human body of the user is guaranteed and applicability of the air conditioner is improved.

The invention discloses an infrared thermal imager testing system, which comprises a control module, a target temperature simulation module, an infrared collimating optical device, a temperature conversion module and a display module, wherein the control module is connected with the target temperature simulation module and the temperature conversion module respectively, and controls the output of simulated radiation temperature signals and the selection of testing environments; the infrared collimating optical module converts the radiation temperature signals into parallel light radiation temperature signals and outputs the parallel light radiation temperature signals to the temperature conversion module; the temperature conversion module is used for creating a room-temperature testing environment and a high/low-temperature testing environment, and projecting the received parallel light radiation temperature signals onto a to-be-tested thermal imager positioned in the room-temperature testing environment or the high/low-temperature testing environment; and the display module displays an infrared thermograph transmitted by the to-be-tested thermal imager. Therefore, the performance of the thermal imager is tested in the room-temperature environment and the high/low-temperature environment in the same testing system. Simultaneously, the temperature simulation accuracy is improved, and the stability, reliability and flexibility of the testing system are also improved.

The invention relates to a single-blackbody temperature-controlled MRTD (Minimum Resolvable Temperature Difference) field online automatic detection device and a method for a thermal imager. The automatic detection device comprises a single-blackbody temperature difference generator, an infrared collimating optical system, an image acquisition system and a microcomputer control and processing system. The detection method comprises the following steps that: the temperature of a surface source blackbody is firstly adjusted, so that the required infrared radiation temperature difference can be generated by a 4-bar target and the environment; the infrared radiation temperature difference is collimated by using a Cassegrain collimator tube and then enters the objective lens of a detected thermal imager; and imaged results are acquired by an image acquisition card and then are inputted to the microcomputer control and processing system, the calculation processing is carried out, and the calculated MRTD result is displayed, so that the automatic detection on the MRTD parameters of the detected thermal imager is achieved. The detection device provided by the invention has the advantages of small volume and little weight, guaranteed accuracy, simplicity and convenience in operation, and high degree of automation, and is applicable to the field online detection on the MRTD of infrared thermal imaging equipment.

The invention discloses a method for controlling an air conditioner. The method comprises the steps that calculation correlating information of radiation temperature Tr is acquired, and the radiation temperature Tr is obtained in a calculation manner according to the calculation correlating information; target sendible temperature Ts is compensated for according to the radiation temperature Tr, and compensated target sendible temperature Ts1 is obtained; and current sendible temperature Te is acquired, the temperature difference T of the target sendible temperature Ts1 and the sendible temperature Te is calculated, and running of the air conditioner is controlled according to the temperature difference T. The invention further discloses a device for controlling the air conditioner. According to the method for controlling the air conditioner in combination with the radiation temperature, the precision of air conditioner control is improved, and then comfort of air conditioner control is improved.

The invention relates to a temperature filed measurement device based on colored CCD. The device comprises a color filter, an optical lens, a colored CCD area array sensor, and a data acquisition analysis unit, wherein the color filter has two response characteristics of single peak transmittance, and is arranged in front of the optical lens to change spectrum distribution of optical imaging of an object to be detected; the optical lens focuses radiation of the object to be detected penetrating the color filter on a focal plane of the colored CCD area array sensor; the colored CCD area array sensor images the radiation, which is focused by the optical lens, of the object to be detected, so as to acquire spectral response data of red, green and blue paths; and the data acquisition analysis unit acquires the three paths of the spectral response data, and calculates the temperature field by a colorimetric temperature measurement method. The invention also relates to a corresponding method for measuring the temperature field. The technical proposal can realize measurement of the temperature field, and can acquire richer temperature information on a high-temperature object. Furthermore, the technical proposal can be realized simply, and an integrated system has low cost and stable performance, and is easy to popularize and apply in high-temperature detection and other industrial production fields.

The invention discloses a control method and system for improving the comfort of an air conditioner sleeping mode. The control method comprises the following steps that the gender and/or the age groupof a user are detected; the outdoor air temperature, the indoor air temperature and the indoor air humidity are collected in real time, the average of the outdoor air temperature and the indoor air temperature is set as the average radiation temperature, and a target temperature value is calculated by substituting clothing heat resistance, air velocity parameters and human body metabolic rate parameters into a PMV equation, wherein the clothing heat resistance and the air velocity parameters are preset by an air conditioner; and the frequency and operating mode of a compressor are adjusted through a 0.1-DEG C precise temperature control technology, and thus the temperature is adjusted to the target temperature. The precise target temperature value can be calculated through a fitting function, real-time precise adjustment can be achieved, and the heat comfort of the user under the sleeping state is significantly improved.

The invention provides a temperature compensation method, temperature compensation device for an air conditioner and the air conditioner. The temperature compensation method comprises the steps that original environment temperature of the air conditioner is detected, and original radiation temperature is confirmed according to the original environment temperature; after preset time, the current environment temperature of the air conditioner is detected anew, and the current radiation temperature is confirmed according to the current environment temperature; the current radiation temperature is compared with the original radiation temperature, and whether the temperature compensation is conducted on the original preset temperature of the air conditioner or not is confirmed according to the comparing result. According to the technical scheme of the temperature compensation method, temperature compensation device for the air conditioner, by conducting temperature compensation on the original preset temperature automatically, the influence which is brought to comfort degree of using the air conditioner by a user and is caused by the change of the current environment temperature is avoided, so that the use manually adjusting the original preset temperature is avoided due to bad comfort degree ( the user catches a cold, is frozen to wake or heated to wake ), and thereby the user experience is improved.

The invention relates to a rotary kiln automatic control system. The rotary kiln automatic control system comprises a fuel supplying device, a rotary kiln, a temperature detection device, a field control station, a temperature regulating module and a central control room operation station. The field control station compares the detected radiation temperature signals, flame temperature signals andflue temperature signals which are generated by the temperature detection device with the preset radiation temperature reference value, the flame temperature reference value and the flue temperature reference value to control the fuel supplying device to regulate the fuel supply and the temperature regulating module to control the air flow and to monitor the host machine of the rotary kiln; and the central control room operation station receives the radiation temperature value, the flame temperature value, the flue temperature value and the technical parameter value which are provided by the field control station, and stores and displays the received values. Thus, the system realizes automatic control of the production process of rotary kiln, ensures the stability of temperature in the rotary kiln, and further ensures the quality stability of forged reduction materials. The invention also provides an automatic control method of the rotary kiln.