16 results about "Cold mirror" patented technology

The invention relates to the technical field of dew point measurement, in particular to an intelligent temperature control system and method based on a high-precision chilled mirror dew point meter, and the system comprises a chilled mirror temperature difference positioning module, a main signal selection module, a power response matching module, an interference airflow recognition module, and a current output instruction generation module. A cold mirror end temperature difference is obtained, a section and a lifting direction are judged, synchronous measuring points are screened, a minimum deviation signal is extracted, a power section is matched, a power-on instruction is constructed, a rheumatism disturbance level is identified, parameters are spliced to generate a conduction structure, and a cold mirror temperature control instruction is output. According to the method, section identifiers are constructed through temperature differences and temperature change directions, signals are screened based on time alignment, interference is avoided, power control positions section deviation directions through difference values, disturbance identification is combined with wind speed and humidity differences, disturbance levels are refined, power-on control generates time sequence instructions through multi-parameter splicing, instruction stability and control accuracy are improved, and the method is suitable for large-scale popularization and application. And dynamic closing logic is formed.

1. The name of the design product: split type cold mirror dew point meter (485-I type). 2. The use of the design product: used in metallurgy and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transmission of measurement industry. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a high-precision anti-interference chilled mirror dew point measuring device and method based on semiconductor refrigeration, and relates to the technical field of atmospheric environment monitoring and precise instrument manufacturing. The device mainly comprises an optical measurement module, a temperature measurement module and a control processing unit. According to the method, the mirror surface is cooled through the semiconductor cooler, and the control processing unit integrates a self-adaptive PID algorithm to dynamically adjust the refrigeration power. Light emitted by the collimated light source is reflected by the reflective mirror surface and then received by the reflective photoelectric sensor, and the reflected light intensity is dynamically compensated based on a reference light signal through the change of reflectivity so as to eliminate common-mode interference. The measurement method comprises the following steps of: initializing and recording multiple paths of optical signal baselines; step cooling of the mirror surface is controlled, and synchronous monitoring is performed; the optical signal is calculated and processed in real time, and dew formation starting is judged based on a dynamic threshold value; pID control is switched to enable the temperature to be finely balanced near the dew point, and a stable value is recorded; correcting and outputting a final dew point value by utilizing the compensation model; refrigeration is stopped, the mirror surface is evaporated and reset through waste heat, and the next circulation is started.

The application discloses a high-precision anti-interference dew point measurement method of a cold mirror based on semiconductor refrigeration. The device used in the measurement method mainly comprises an optical measurement module, a temperature measurement module and a control processing unit. The method cools the mirror surface through a semiconductor refrigerator, and the control processing unit integrates a self-adaptive PID algorithm to dynamically adjust the refrigeration power. The light emitted by a collimated light source is reflected by the mirror surface and is received by a reflected photoelectric sensor. Through the change of reflectivity, the reflected light intensity is dynamically compensated based on a reference light signal to eliminate common-mode interference. The measurement method comprises the following steps: initializing and recording the baseline of multiple light signals; controlling the stepwise cooling of the mirror surface and synchronously monitoring; calculating and processing the light signal in real time, determining the dew starting based on a dynamic threshold; switching to PID control to finely balance the temperature near the dew point, and recording the stable value; correcting and outputting the final dew point value by using a compensation model; stopping the refrigeration and evaporating and resetting the mirror surface by using the residual heat, and entering the next cycle.

1. The name of the design product: split type cold mirror dew point meter measuring head (485-III type). 2. The use of the design product: for metallurgy and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transfer of measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: cold mirror type flue gas humidity meter. 2. The use of the design product: the product is used as a cold mirror type flue gas humidity meter. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: split type cold mirror dew point meter measuring head (485-II type). 2. The use of the design product: for metallurgical and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transfer of measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A piezoelectric and thermoelectric solar panel assembly includes a solar panel, a cold mirror, and a support panel. The piezoelectric and thermoelectric solar panel assembly also includes piezoelectric generator assembly disposed between the cold mirror and the support panel. The piezoelectric and thermoelectric solar panel assembly further includes a thermoelectric power generation module beneath the cold mirror.

1. The name of the design product: split type cold mirror dew point meter measuring head (485-I type). 2. The use of the design product: for metallurgical and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transfer of measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a cold mirror type water vapor concentration and dew point detection system and method based on single-pixel imaging, the cold mirror type water vapor concentration detection system based on single-pixel imaging comprises a mirror surface refrigeration module, a detection module and a control module, the detection system can distinguish phase change and pollutants in the mirror surface state detection process, the reliability is high, and the detection accuracy is high. According to the detection system, the low-cost single-pixel detector is combined with the spatial light modulator, an expensive and complex area-array camera and an optical lens group in a traditional scheme are replaced, the cost and the size of the system are remarkably reduced, and the reliability of water vapor concentration detection in the semiconductor low-dew-point environment is improved.

1. The name of the design product: split type cold mirror dew point instrument (485-II type). 2. The use of the design product: used in metallurgy and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transmission in the measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.

1. Name of the product in this design: Split-type cold mirror dew point meter (485-III type). 2. Applications of this design: for high-temperature processes in metallurgy and ceramics, industrial waste gas treatment, precision manufacturing and materials processing, pharmaceuticals and environmental protection, power and industrial equipment, aerospace temperature and humidity detection, and calibration and transfer of temperature and humidity in the metrology industry. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The invention belongs to the technical field of dew point measurement, and relates to an accurate temperature control dew point measurement method, which comprises the following steps of: fitting a hot end of a thermoelectric refrigerating unit with a cold mirror surface, fitting a cold end of the thermoelectric refrigerating unit with a cold head of a compressor, and controlling the temperature of the cold head of the compressor to be lower than an estimated dew point temperature; the thermoelectric refrigerating unit is controlled to heat, so that the cold mirror surface temperature is higher than the estimated dew point temperature; feeding a sample gas into the cavity to keep stable ventilation; the heating power of the thermoelectric refrigerating unit is gradually reduced, so that the temperature of the cold mirror surface is gradually reduced until the intensity of the reflected light signal monitored by the light receiver is suddenly reduced, and at the moment, the cold mirror surface is just condensed; the heating power of the thermoelectric refrigerating unit is controlled, so that the temperature of the cold mirror surface is stably kept at the condensation temperature for a period of time; and the dew-point temperature is obtained by reading the reading of the temperature sensor. The thermoelectric refrigerating unit is reversely arranged, higher measurement precision is obtained through reverse heating of the thermoelectric refrigerating unit, meanwhile, the temperature of the cavity where the cold mirror surface is located is constant, and the measurement precision is improved.

This invention relates to a precision cold mirror dew point testing device, comprising a dry air branch, a humid air branch, a mixing ring, a regulating valve, and a dew point meter. The input ends of both the dry and humid air branches are connected to the output end of an external air compressor. The output ends of both branches are connected to the input end of the mixing ring. The input ends of the regulating valve and the dew point meter are both connected to the output end of the mixing ring. The output end of the regulating valve is connected to a sample sensor. The dew point meter is used to detect the dew point temperature of the gas mixed by the mixing ring. This setup, compared to traditional detection methods, can detect extremely low moisture content, meeting the measurement error testing requirements of the sample sensor. Simultaneously, it can quickly capture humidity changes, avoiding production accidents or experimental data deviations caused by humidity fluctuations.

1. The name of the design product: split type cold mirror dew point meter measuring head (485-Plus type). 2. The use of the design product: for metallurgical and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transfer in the measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. The name of the design product: split type cold mirror dew point instrument (485-Plus type). 2. The use of the design product: used in metallurgy and ceramic high temperature process, industrial waste gas treatment, precision manufacturing and material processing field, medicine and environmental protection field, power and industrial equipment field, aerospace temperature and humidity detection, and temperature and humidity calibration transmission in the measurement industry. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view.