11results about How to "Automatic measurement" patented technology

This invention discloses a gas cylinder permeation test system and method, relating to the field of hydrogen storage cylinder permeation testing. The system includes a test environment control module, whose permeation chamber holds the test cylinder and provides the required ambient temperature, capable of replacing the permeation chamber with an inert gas at a set pressure. A sampling control module, connected to the permeation chamber, extracts the gas from the permeation chamber for analysis. A test cylinder control module fills the test cylinder with test gas and maintains the pressure inside the test cylinder at a set value. A data acquisition and control system controls the test environment control module, the sampling control module, and the test cylinder control module, acquiring the pressure inside the permeation chamber, the temperature inside the permeation chamber, and the pressure inside the test cylinder. It can also calculate the permeability of the test cylinder by combining the gas extracted from and analyzed from the permeation chamber. This gas cylinder permeation test system and method enables automatic and continuous measurement, with high safety and efficiency during the testing process.

The invention discloses a high-precision double-head full-automatic clamping force measuring instrument, which comprises a machine base, a clamping force measuring mechanism, a positioning mechanism, a Y-axis driving mechanism, an X-axis driving mechanism, a clamp and a controller, and is characterized in that the clamping force measuring mechanism can perform clamping force detection on a nuclear fuel grid arranged on the machine base in different directions; the positioning mechanism is used for carrying out coordinate positioning on a nuclear fuel grid arranged on the machine base, the Y-axis driving mechanism is used for driving the positioning mechanism and the clamping force measuring mechanism to move along the Y axis, the Y-axis driving mechanism is used for driving the positioning mechanism and the clamping force measuring mechanism to move along the X axis, and the clamp is used for fixing the nuclear fuel grid arranged on the machine base. According to the method, the clamping force of the nuclear fuel grid in different directions can be detected, so that the performance of the grid is evaluated more comprehensively, the multi-dimensional detection mode is beneficial to finding potential defects and problems, and a more powerful guarantee is provided for safe operation of a nuclear power station.

The utility model relates to the technical field of refrigerator stamping part processing, and discloses a refrigerator stamping part size accurate detection tool, which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a detection table, the inside of the detection table is fixedly connected with a motor I, and the output end of the motor I is fixedly provided with a turntable. The outer wall of the rotating disc is fixedly connected with a sliding column, the outer wall of the sliding column is slidably connected with a sliding plate, the lower surface of the sliding plate is slidably connected with a limiting plate, the interior of the sliding plate is slidably connected with a limiting column, the upper surface of the sliding plate is fixedly connected with a clamping block, and the upper surface of the bottom plate is provided with a measuring assembly. According to the utility model, the rotating disc can be driven to rotate by starting the motor I, and the stamping part body can be stably clamped through the mutual cooperation of the sliding column, the sliding plate, the limiting plate, the limiting column, the clamping block and the stamping part body, so that the stamping part can be kept stable when being subjected to size measurement, and the measurement accuracy is ensured.

The invention discloses an automatic monitoring device for soil structure characteristics under the walking action of a paddy field power chassis and a testing method of the automatic monitoring device, and belongs to the technical field of automatic monitoring devices for the soil structure characteristics, and the system comprises a paddy field machine, a longitudinal-transverse movement self-coordination synchronization module, a soil structure characteristic testing module, a data acquisition module and a wireless data transmission module, and a handheld monitoring and processing computer. The system provided by the invention can be used for testing soil structure variation caused by machinery without stopping in an agricultural process. According to the thought of the invention, the principle that circular motion has longitudinal and transverse motion at the same time is utilized, and paddy field machine running (transverse motion) and penetration of a soil structure characteristic test needle into soil (longitudinal motion) are effectively combined to realize longitudinal-transverse synchronization. The system provided by the invention can provide support for research and development and practical application of rice mechanized equipment.

The utility model discloses an automatic measuring device for the slip amount of a rotary kiln wheel belt, which comprises a kiln cylinder body, the kiln cylinder body is matched with the kiln wheel belt, the front part of the left side of the kiln wheel belt and the left side of the front end of the kiln cylinder body are fixedly connected with measuring reflectors, and speed measuring sensor supports are arranged in front of the measuring reflectors. Laser speed measurement sensors are symmetrically arranged on the rear side of the speed measurement sensor support left and right, the laser speed measurement sensors are correspondingly arranged right in front of the measurement reflecting plate, the laser speed measurement sensors are electrically connected with a PLC, and the PLC is electrically connected with a central control room; the distance difference generated when the kiln barrel and the kiln wheel belt rotate by one circle is calculated through the PLC according to the preset diameter of the reflector and the time used for detecting signals twice, so that the slip amount of the rotary kiln wheel belt is rapidly and accurately obtained, and the problems that the slip amount of the rotary kiln wheel belt is difficult to measure, time and labor are wasted, and measured data are inaccurate are effectively solved.

The invention particularly relates to a sodium medium blocking temperature measuring method, which comprises the following steps of: acquiring the temperature and the flow of a sodium medium in a blocking hole of a blocking meter according to a set sampling period and sampling point interval time, and forming a sodium medium flow-sodium medium temperature curve in the sampling period; solving a second derivative of the sodium medium flow curve point in the sampling period, and judging a sodium medium flow decline inflection point in the sampling period; and outputting the sodium medium temperature corresponding to the sodium medium flow reduction inflection point in the sampling period as the sodium medium blocking temperature in the sampling period. The invention further relates to a sodium medium blocking temperature measuring device. According to the invention, automatic, efficient and accurate measurement of the blocking temperature of the sodium medium is realized.

The invention discloses a leakage detection quantity experiment platform and experiment method based on ultrasonic waves, and the platform comprises a deformation layer (19), a conductive part (27) and a detection sealing layer (25) which are arranged from inside to outside in the radial direction of a cable pipe (14), and also comprises an ultrasonic signal transmitting unit (29). The ultrasonic signal transmitting unit (29) is connected to the deformation layer (19), and at least part of the ultrasonic signal transmitting unit (29) is located on the side, close to the conductive part (27), of the deformation layer (19); the air pressure in the cable pipe (14) changes, the pressure sensor (18) detects that the cable pipe (14) leaks air, and the deformation layer (19) deforms; a signal transmitting column (290) is inserted into a jack (271), an ultrasonic signal transmitting unit (29) is electrified and conducted, and a signal is transmitted to prompt a leakage point; the gas leakage condition can be accurately confirmed through mutual verification between the pressure sensor (18) and the ultrasonic signal transmitting unit (29).

This invention relates to the field of product inspection and discloses an online inspection device and method for subframes. A positioning frame is used to grasp the workpiece to be inspected, and the positioning frame can grasp either the front or back of the positioning frame. A robotic arm transports the workpiece to be inspected via the positioning frame, switching between a loading / unloading platform, a transfer platform, and an inspection platform. The loading / unloading platform is used for loading uninspected workpieces and unloading inspected workpieces. The transfer platform is used for switching between the front and back of the workpiece to be inspected. The inspection platform includes an inspection table one and an inspection table two, which are respectively arranged on both sides of the transfer platform. A coordinate measuring machine is used to detect the parameters of the workpiece to be inspected. A processor interacts with the robotic arm, loading / unloading platform, transfer platform, and inspection platform to control the operation of the inspection device. The processor also includes a storage module, which stores the data parameters detected by the inspection platform. This inspection system can automatically inspect and record and analyze product data.

The invention discloses a deep hole measuring device for tube sheet of nuclear power steam generator, comprising a tube sheet installation and posture adjustment component, a three-axis carrying measurement component, a deep hole and hole position measurement component and a control and data acquisition component; the tube sheet installation and posture adjustment component is used to install the tube sheet to be measured and realize the preliminary positioning of the tube sheet, and to perform pitch and yaw adjustment so that the measured deep hole of the tube sheet is parallel to the deep hole and hole position measurement component; the three-axis carrying measurement component is used to install the deep hole and hole position measurement component, and realize the movement and measurement of the horizontal and vertical positions of the deep hole and hole position measurement component; the deep hole and hole position measurement component is used to measure the deep hole parameters; the control and data acquisition component is used to realize the movement control of the tube sheet installation and posture adjustment system, the three-axis carrying measurement component, the deep hole and hole position measurement component, and the collection and processing of measurement data. The invention can realize the automatic and efficient measurement of the aperture, straightness, position and the like of the tube sheet of nuclear power steam generator.

The application provides a double-aperture microscopic optical system, which comprises a light source, an aperture diaphragm, a beam splitter, an objective lens, a bearing table, a field diaphragm and a signal acquisition module; the double-aperture microscopic optical system can form an illumination light path and an imaging light path; the illumination light path is sequentially arranged by the light source, the aperture diaphragm, the beam splitter, the objective lens and a sample on the bearing table; and the imaging light path is sequentially arranged by the sample on the bearing table, the objective lens, the beam splitter, the field diaphragm and the signal acquisition module. The double-aperture microscopic optical system has high measurement precision, strong anti-interference capability and good effect on optical measurement of a micro blind hole depth-diameter ratio.

The present invention discloses a 4D Flow pulmonary artery pressure measurement and evaluation system based on phase contrast magnetic resonance images. PC-MRI images are input through an image sequence input port, and the images are classified and verified. The image processing module further extracts vascular structure parameters and blood flow velocity characteristic values ​​through the amplitude image sequence and the phase image sequence. The pulmonary artery pressure calculation and display module then introduces a linear regression model to calculate the mean pulmonary artery pressure; the pulmonary hypertension diagnosis and evaluation module introduces a logistic regression model to diagnose pulmonary hypertension. The progress of pulmonary hypertension is dynamically evaluated based on multiple average pulmonary artery measurement results. The present invention can realize non-invasive pulmonary artery pressure measurement, thereby realizing pulmonary hypertension diagnosis, and evaluating the prognosis of pulmonary hypertension.