13results about How to "Improve temperature measurement efficiency" patented technology

The invention discloses an electronic thermometer, and relates to the field of temperature measuring equipment, the electronic thermometer comprises a main body and a probe, the probe is hollow, a heating wire and a temperature sensor are arranged in the probe, the heating wire is spirally arranged, and the temperature sensor is arranged in a spiral cavity of the heating wire; the temperature sensor and a power supply module of the heating wire are electrically connected with the control module; when body temperature measurement is carried out, the heating wire is started and provides heat for the temperature sensor and the probe, auxiliary heating is carried out on the basis of the environment temperature, the heating wire is closed after the temperature of the constant-temperature probe is reached, and equivalently, the time from the environment temperature to the temperature of the constant-temperature probe is shortened in an auxiliary heating mode; and the temperature of the constant-temperature probe is gradually increased to the temperature of the human body, so that the overall time of body temperature measurement is effectively shortened, and the temperature measurement efficiency is improved.

The invention discloses a multi-node power grid wireless temperature measuring device and a temperature measuring method, and relates to the technical field of power grid wireless temperature measurement. The multi-node power grid wireless temperature measuring device comprises two racks, driving mechanisms used for driving the device to move are installed on the two racks, and side frames are fixedly installed on the sides, away from the racks, of the driving mechanisms; one side of the side frame is fixedly provided with a monitoring mechanism used for preliminarily measuring the temperature of the line, the two ends of the rack are both provided with clamping mechanisms used for conducting environment isolation temperature measurement on the line, and one side of the monitoring mechanism is provided with a processing mechanism used for processing the surface of the line. Through the arrangement of the monitoring mechanism, the cable temperature state can be timely and roughly fed back, a temperature abnormal area can be rapidly positioned, the long-distance cable temperature measurement process is effectively shortened, rapid testing is achieved, the temperature measurement process is accelerated in the process, the cable maintenance efficiency and accuracy are improved through real-time monitoring, and the service life of the cable is prolonged. And the operation safety and stability of the cable are further ensured.

The invention discloses an oil-immersed transformer oil tank internal temperature field distribution detection method and system, and the method comprises the following steps: 1) manufacturing a distributed temperature measurement device, and placing the distributed temperature measurement device in an oil tank, so as to detect the temperature data of the front and side surfaces in the transformer oil tank; 2) connecting the distributed temperature measuring device with an external demodulation unit to obtain temperature data, performing data cleaning on the obtained temperature data, and removing abnormal temperature data; and 3) performing grid division on the front surface and the side surface in the oil tank, calculating grid type temperature data of each grid point based on the cleaned temperature data, and drawing a temperature field distribution cloud picture in the transformer oil tank based on the grid type temperature data. Partial discharge caused by insulation damage due to the fact that the optical fiber is directly installed on the winding and the iron core can be effectively avoided, insulation of the winding and the iron core is not affected once the optical fiber is damaged, temperature field distribution in the oil tank can be accurately obtained, and the device has the advantages of being safe, efficient, easy to replace, high in measurement precision and the like.

The application discloses a multispectral radiation temperature measurement inversion method based on an improved Bayesian optimization generalized regression neural network, and comprises the following steps: carrying out pretreatment on an infrared multispectral image sequence, corresponding the pretreated data to a target real temperature, and constructing a data set; establishing a generalized regression neural network model for real temperature regression inversion of a target temperature measurement area; based on the data set, adopting a bionic optimization algorithm as a sampling method of Bayesian optimization, and optimizing hyperparameters in the generalized regression neural network model by using an improved Bayesian optimization algorithm, so as to inversely calculate the target real temperature by using the optimized generalized regression neural network model. The method does not need to assume an emissivity model, has higher temperature measurement efficiency and temperature measurement precision, and has wider applicability.

The utility model provides a real-time temperature measuring device for a capacitor bank and a capacitor cabinet comprising the same. And the capacitor bank consists of a plurality of capacitors and is arranged in the capacitor cabinet. The device comprises a plurality of temperature sensors, an antenna and a temperature collector. And the plurality of temperature sensors are respectively arranged at a wiring terminal of the capacitor bank, a busbar connection point of the capacitor bank, a shell of the capacitor and the inside of the capacitor cabinet. The antenna is arranged in the capacitor cabinet and is in wireless communication with the temperature sensor. And the temperature collector is arranged outside the capacitor cabinet and is connected with the antenna. According to the utility model, the temperature sensor is utilized to carry out real-time wireless temperature measurement on the capacitor bank, so that the temperature measurement efficiency is improved, and the workload of personnel is reduced. According to the utility model, the temperature sensor is arranged at the key position of the capacitor bank, so that the temperature of the capacitor bank can be measured more accurately, and the judgment on the working and running state of the capacitor bank is facilitated.

The utility model relates to the technical field of graphitization furnace temperature monitoring, in particular to a high and low temperature measuring mechanism of a vertical graphitization furnace, which comprises a mounting mechanism, a temperature measuring unit and a limiting unit. The installation mechanism drives a screw-sliding block assembly through a stepping motor, and drives the temperature measuring unit to move back and forth along a guide rail. The temperature measuring unit comprises a low-temperature infrared thermometer and a high-temperature infrared thermometer which are fixed on the two sides of the sliding block through equilateral triangle bolt adjusting structures respectively, so that high-precision alignment with the temperature measuring port is realized; the limiting unit is linked with the sensor through the trigger plate and controls the position of the sliding block so as to switch the temperature measurement mode. When the furnace temperature is lower than 1100 DEG C, the low-temperature thermometer works; and when the voltage is higher than the threshold value, the stepping motor is driven and switched to the high-temperature thermodetector, and the response time is less than or equal to 1 second. According to the utility model, the non-contact infrared temperature measurement technology is adopted, the problem of dynamic sealing failure of a traditional thermocouple is solved, and the temperature measurement efficiency, accuracy and process stability are remarkably improved by combining automatic control and high-precision limiting design.

The utility model relates to the technical field of concrete, and discloses a high-efficiency mass concrete temperature measuring device, which comprises a bottom plate, a height adjusting part is arranged on the top surface of the bottom plate, and a mounting plate is arranged at the upper part of the front side surface of a movable seat in the height adjusting part; a plurality of temperature measuring components are mounted on the front side surface of the mounting plate at equal intervals along the length direction of the mounting plate; the mounting plate is hollow, a bidirectional cylinder is mounted in the middle of an inner cavity of the mounting plate, a left piston rod and a right piston rod in the bidirectional cylinder are connected with two movable plates located on the left side and the right side of the mounting plate respectively, and the movable plates and the connecting rods are located at the same height and perpendicular in central axis. A plurality of temperature measuring components are installed on the opposite plate faces of the two movable plates in the length direction of the movable plates at equal intervals. The temperature measuring component comprises a temperature measuring probe and two guiding components. According to the utility model, multi-point temperature measurement can be carried out on a plurality of side surfaces of mass concrete, the temperature measurement efficiency is greatly improved, and temperature measurement equipment is not easy to damage when height adjustment is carried out.

The utility model relates to the technical field of test strip temperature measurement, in particular to a device for measuring a T-line temperature signal of a photo-thermal test strip, which comprises a bin body and a bin cover, the center of one side wall of the bin body is provided with a placing port for inserting or taking out a test strip, and the bottom end of the bin cover is provided with a near-infrared emitter and an infrared thermal sensor. A touch display screen is installed in the top center of the bin cover. Compared with the traditional split operation, the test strip body does not need to be transferred, the test strip body does not need to be in contact with the test strip, non-contact measurement is adopted, transfer errors caused by split design and measurement errors caused by contact measurement are avoided, the accuracy and efficiency of temperature measurement are improved, and the test strip is simple in structure and convenient to use. The device can be used for rapidly and accurately measuring the surface temperature of the test strip and outputting corresponding data in the touch display screen. Therefore, reliable data support can be provided for research and experiments, and the method has wide application prospects.

The invention discloses an infrared-based paving asphalt temperature measurement system, which relates to the field of temperature measurement. The system comprises: an infrared camera, a first positioning component, a second positioning component and a processor; the first positioning component, the second positioning component and the infrared camera are all arranged on a paving machine and are all connected to the processor; the first positioning component is used to collect the first position of the paving machine in real time, the second positioning component is used to collect the second position of the paving machine in real time, and the infrared camera is used to collect the infrared image of the paved road section within the setting range of the paving machine in real time; the processor is used to generate a paving asphalt temperature distribution diagram including the temperature value at each position coordinate of the paved road section according to the first position, the second position, the infrared image, the distance between the first positioning component and the infrared camera, the distance between the second positioning component and the infrared camera and the initial paving position. The invention improves the efficiency and accuracy of paving asphalt temperature measurement.

The invention relates to an IGBT power module temperature measuring method and an IGBT power module packaging structure. The method comprises the following steps: preparing single-phase fluorescent powder, and mixing epoxy resin with white inorganic powder or white organic polymer to obtain background coating liquid; mixing epoxy resin with single-phase fluorescent powder to obtain fluorescent powder coating liquid; coating background coating liquid on the copper-clad ceramic substrate with the complete circuit to form a background layer; coating the white background layer with the fluorescent powder coating liquid to form a fluorescent layer; after ultraviolet irradiation, obtaining a fluorogram and a light intensity ratio; according to the fluorescence intensity ratio and the fluorescence characteristic curve of the single-phase fluorescent powder, the corresponding environment temperature is obtained; according to the method, the technical problems that the existing temperature measurement method for taking the IGBT power module as a high-power device cannot measure the temperature at a fixed point, the temperature measurement precision is easily influenced by a packaging structure, and the contact type temperature measurement has negative influence on the heat dissipation function of the device can be solved.

The utility model discloses a mining optical fiber temperature measuring device, which belongs to the technical field of optical fiber temperature measurement, and comprises a first shell and a second shell, the second shell is hinged on the outer wall of the first shell, moving mechanisms for detecting cables with different diameters are arranged in the first shell and the second shell, and the moving mechanisms are hinged on the outer wall of the first shell. The first shell is internally provided with a moving mechanism, the second shell is internally provided with a driving assembly for driving the moving mechanism, the moving mechanism is arranged, the first shell and the second shell are arranged outside a cable during use, then the moving mechanism can freely adjust according to the diameter of the cable, and then the moving mechanism can normally measure the temperature of the cable. The device can be suitable for cables with different diameters, the universality is wide, and through the arrangement of the driving assembly, the driving assembly can improve the temperature measurement efficiency of the moving mechanism on the cable during use, so that the measured temperature can be more accurate.

The utility model discloses a heat-resistant explosion-proof thermocouple, which is characterized in that the upper surface of a base is fixedly connected with a linear motor, the output end of the linear motor is fixedly connected with a first cooling box, the outer surface of the first cooling box is fixedly connected with a second cooling box, and the outer surface of the second cooling box is fixedly connected with a third cooling box; the lower surface of the fixing frame is fixedly connected with a hydraulic rod, the output end of the hydraulic rod is fixedly connected with a fixing block, the upper surface of the fixing block is provided with a hole, the inner wall of the hole is fixedly connected with a thermocouple, the thermocouple is resistant to heat through a high-temperature-resistant protective sleeve, and the thermocouple is cooled in a stepped mode, so that continuous measurement of multiple positions or frequent replacement of measurement positions is facilitated. The subsequent measurement result is not interfered or influenced, and the surface of the thermocouple is not cracked due to rapid cooling or heating; by automatically testing the temperature of the pipeline, the step of manual operation of workers is omitted, and the temperature measurement efficiency and accuracy are improved.