40results about How to "Multiple measurement functions" patented technology

The invention discloses a laser micro-interference multifunctional measuring device which consists of a displacement measuring device following the laser micro-interference principle, a contact pin displacement measuring device and a photoelectric receiver. Light emitted by a semi-conductor laser passes through a lens, an aperture stop and a field stop, and then is changed into a beam of parallel light after passing through a lens again; the parallel light is divided into two light beams by a dispersion prism, wherein, one light beam is cast by a micro-objective to a reference mirror, and the other light beam is cast by a different micro-objective to a tested surface or a reflection component contacted with a displacement measuring head; and the reflected reference light beam meets a tested light beam on a light division surface of the dispersion prism so as to generate interference fringes. The interference fringes are received by the photoelectric receiver. The invention has the advantages of high measuring accuracy, diversified measuring functions, simple structure, low cost, etc. The measuring head can carry out contact or non-contact measurement on the roughness of an ultraprecise surface as well as the geometrical shape, size, vibration, and the like of an MEMS component; the measurement range is 0-100 um, and the resolution can reach 0.02 nm. The laser micro-interference multifunctional measuring device can be provided with a nanometer probe to measure a nanometer shape.

The invention discloses a method for detecting quality of an airplane covering-riveting assembling surface, comprising steps of adopting a 2D displacement sensor as a measurement member, arranging the 2D displacement sensor above a detected point during the measurement, enabling the distance between the 2D displacement sensor and the detected point to be in a center point in a measurement range of the 2D displacement sensor, receiving and processing the measurement data of the 2D displacement sensor by a measurement system, and calculating various technical index parameters of the airplane covering riveting surface quality according to various calculation methods. The invention is high in efficiency, good in reliability and easy in usage, and has many measurement functions, uses one measurement method to replace various measurement methods and multiple times of measurement, and improves the quality of the airplane covering-riveting assembly surface and production efficiency.

The invention relates to the field of river radars, and particularly relates to a high-resolution river radar device based on the phased array technology. The device comprises phased array antennas, an integrated case, and a power supply cabinet. The phased array antennas comprises a receiving antenna and a transmitting antenna. The integrated case is internally provided with a transmitting unit,a receiving unit, a signal generating unit, a beam forming unit, a signal processing unit, a data processing unit, a data transmitting unit, and a communication module. The transmitting unit comprisesa power amplifier, which amplifies input signals to the transmitting antenna. The receiving unit comprises 16 low noise amplifiers, which amplify the signals to the beam forming unit. And the beam forming unit comprises an A/D (Analog/Digital) sampling, an amplitude calibration, a phase calibration, and a beam steering calculation. According to the high-resolution river radar device based on thephased array technology, the device solves the technical defects in the prior art that the measurement takes a long time, that the cost is high, and that the risk coefficient is high. The invention provides a radar device with a short measuring time, a low measuring precision, a low cost, and a high safety.

The invention relates to a dynamic rotary kiln supporting roller shaft deflection variation and cylinder bending azimuth measuring method and instrument. The method comprises the following steps: determining a cylinder rotation period and a measurement bus by a position sensor; mounting two orthogonal displacement sensors to carry out measurement, and processing the two set of data to obtain the supporting roller shaft deflection variation value, wherein the two displacement sensors are mounted on the same middle section of the left and right supporting rollers of the same shift, and aligned with the centers of the supporting rollers; and correlating the cylinder rotation azimuth with the deflection variation value of the left and right supporting roller shafts of the same group, carrying out comparative analysis to obtain a supporting roller loading and stressing condition curve, and determining the cylinder bending azimuth; and sequentially repeating the operation above at the roller belt of each shift, measuring the deflection variation data of the left and right supporting rollers of each shift, and determining the supporting roller adjustment direction and data by referring to the supporting roller space geometric position parameters and dynamic rotary kiln central line measurement results. The measuring apparatus comprises two displacement sensors, a position sensor, a multichannel data acquisition card and a microcomputer. The measurement accuracy of the method for measuring the supporting roller shaft deflection is 0.001mm; and the measurement accuracy for measuring the cylinder bending is 0.5mm.

The invention discloses a novel beam detector comprising a shell, a metal plate, the scintillator panel and a CCD camera. The shell is internally provided with a detection chamber, and two sides of the detection chamber are respectively provided with a beam inlet port and a beam outlet port for the in and out of a beam. The beam inlet port and the beam outlet port are in the same straight line. The upper end of the detection cavity is provided with a detection window. The metal plate is hinged to the shell through a rotating shaft and is between the beam inlet port and the beam outlet port. The metal plate can move between a first position which blocks the beam and a second position which avoids the beam. The metal plate is grounded through a current meter. The scintillator panel is fixedly arranged at one side of the metal plate. The CCD camera is installed at the outer side of the detection window and is used for detecting light which is emitted by the scintillator panel and goes through the detection window. The novel beam detector has the advantages of rich measurement functions, low cost and easy mass production, a plurality of detectors can be installed in a beam line, the beam quality of the whole beam line is monitored, and the novel beam detector is convenient to use.

The invention discloses a retro-reflection measuring device which adopts one or more sampling devices with diaphragms and reflectors with holes as well as one or more measuring devices corresponding to the sampling devices in quantity. Measurement of a plurality of retro-reflection characteristics under different observation angles can be achieved by one-time measurement, and the device can be suitable for accurate adjustment of various observation angles and the size of a measuring zone by flexibly selecting the sizes of the diaphragms and the reflectors with holes. No other intermediate device is needed and the optical signal of the zone is free of defects, so that the measuring accuracy is improved. Meanwhile, various color filters, a monitoring device and the like can be further flexibly arranged, so that the diversified measuring function is achieved. The device has the characteristics of fastness in measurement, high accuracy, small size, wide application range, powerful function, integral design and the like and can be widely applied to various occasions such as laboratories, industrial production lines, field fast measurement and the like.

The invention discloses a river surface flow field accurate measurement radar based on computational intelligence, and particularly relates to the technical field of flow measurement. The radar comprises a software structure and a hardware structure. The radar system adopts a coding technology on a signal waveform to realize interference resistance, adopts a fuzzy clustering intelligent algorithm to ensure stability and reliability of observation data, adopts broken line array weighted optimization to realize high-precision river surface vector field synthesis under a large visual angle condition, adopts a variance weighted intelligent algorithm to reduce data jitter and improve stability of observation vector data, and adopts remote data analysis based on big data and an artificial intelligence technology. Intelligent algorithms such as an anti-interference means, an intelligent processing technology, a high-resolution broken line array angle resolution technology, a fuzzy clustering technology and a filtering jitter reduction technology are integrated, a corresponding hardware structure is designed for related intelligent technologies, and the problems existing in traditional equipment are effectively solved.

The invention relates to a motor protector applied to a double-speed motor and an implementing method of the motor protector. The motor protector applied to the double-speed motor is characterized in that the motor protector comprises a power supply module (1), an analog quantity module (2), a CPU (Central Processing Unit) module (3), a switching value output module (4), a man-machine interaction module (5) and a switching value input module (6), wherein the analog quantity module (2), the switching value output module (4), the man-machine interaction module (5) and the switching value input module (6) are all connected with the CPU module (3), and the power supply module (1) is connected with the CPU module (3). According to the method, operations required to be carried out by the motor protector under different working environments are implemented by setting high-speed and low-speed parameters through software. According to the motor protector applied to the double-speed motor and the implementing method of the motor protector, one product is simultaneously provided with two groups of high-speed and low-speed parameters, and the protection and control of two devices are finished by one device, so that the customer cost is saved, the mounting space is saved, and the protective pertinence is strong.

The invention relates to a wave measurement radar based on a continuous wave, and aims to solve the technical problem of low automation degree. The wave measurement radar comprises: a transmitting antenna, a receiving antenna, an excitation source, a signal generating unit, a band-pass filter, a receiver unit, a signal processing unit, a data processing unit, a communication module, and a power module. The wave measurement radar is mounted in a height of 0.5 to 60 meters from the water surface, and the antenna is vertically downward or at a certain angle to the lower water surface. The signalgenerating unit and the signal processing unit comprise a signal generator that generates a fixed frequency continuous wave, a frequency modulated continuous wave, and a step frequency modulated continuous wave signal, and perform sampling and preprocessing according to the signal form. The data processing unit calculates a preprocessing result to obtain a wave height, a wave period, and a tide level. According to the wave measurement radar based on the continuous wave, the problem is solved.

The present invention relates to the technical field of plant cultivation, and particularly relates to a plant cultivation intelligent monitor management apparatus with a dedicated wireless communication link. The apparatus comprises a site system, a transceiver antenna, and a remote control system connected with the transceiver antenna, which are placed in a plant growing environment. The site system comprises a video monitor sub-system, a site data processing sub-system connected with the video monitor sub-system, a sensor array sub-system and a wireless communication sub-system I that are connected with the site data processing sub-system. The apparatus has complete functions of measuring plant growing parameters, and has multiple video monitor functions. The apparatus has an independent wireless transceiver link, the communication distance is long, data encryption is supported, and the integration degree is high, so that the apparatus can bring high social benefits and economic benefits in fields of modern agriculture and smart home.

The invention discloses a radial sliding bearing dynamic characteristic testing device based on non-contact electromagnetic vibration exciters, which is characterized in that four sets of electromagnetic vibration exciters which are orthogonally distributed along the circumferential direction of a rotor are respectively arranged at two ends of the rotor, the electromagnetic vibration exciters are in clearance fit with the rotor, and a clearance is also formed between the adjacent electromagnetic vibration exciters; a force sensor is arranged between each set of electromagnetic vibration exciter and a stator support; the positions, which are close to the electromagnetic vibration exciters, of the two ends of the rotor are each provided with at least two orthogonally-distributed displacement sensors, controllable and non-contact electromagnetic excitation force or electromagnetic torque is applied to the rotor through the electromagnetic vibration exciters, the radial displacement of the rotor under the action of radial electromagnetic force or electromagnetic torque is detected through the displacement sensors, and the controllable non-contact excitation and dynamic characteristic test of the radial sliding bearing is realized. The device can realize controllable non-contact excitation and vibration response detection of the radial sliding bearing, and can be used for measuring the dynamic characteristic coefficient of the radial sliding bearing.

The invention provides an embedded intelligent image measuring camera system. The embedded intelligent image measuring camera system comprises an image acquisition interface which is a butt-joint embedded intelligent image measuring camera; external equipment and an I/O interface, which is used for directly outputting an image externally, and is a standard VGA/HDMI output interface, can be connected with USB equipment such as a mouse and a USB memory disc; a core board, which is an embedded image processing mainboard, and the specific model is not disclosed, wherein the mainboard is used as acore board of the whole equipment and used for processing a lot of image processing tasks and system management tasks; an embedded operating system, which is a transplanted open source Linux operatingsystem, and is high in compatibility and stable in system; a drive; intelligent image measurement software & image measurement operation panel, which is a software processing module for acquiring a microscope image in real time according to the image acquisition interface; peripheral import and export equipment; and a measurement report used for automatically exporting a measurement result according to an established report format.

A measuring jig is suitable for being inserted in a processor slot of a main board. The measuring jig comprises a substrate, at least one first voltage pin, at least one second voltage pin, at least one control pin and a processing unit, wherein the substrate has a first surface and a second surface; the first voltage pin, the second voltage pin and the control pin are located on the second surface; the processing unit is located on the first surface; the processing unit is electrically connected with the first voltage pin, the second voltage pin and a first signal pin. When the measuring jig is inserted in the processor slot, the processing unit transmits control signals through the at least one control pin to control a power supply unit of the main board. The processing unit reads at least one first voltage value from at least one first voltage pin and reads at least one second voltage value from the at least one second voltage pin. The measuring jig can measure main boards in different set configurations.

The invention discloses a measurement jig, which is suitable for a processor slot inserted in a mainboard. The measurement jig comprises a substrate, at least one first voltage pin, at least one second voltage pin, at least one first signal pin and a processing unit. The substrate has a first surface and a second surface. The at least one first voltage pin, the at least one second voltage pin and the at least one first signal pin are located on the second surface. The processing unit is located on the first surface. The processing unit is electrically connected to the at least one first voltage pin, the at least one second voltage pin and the at least one first signal pin. When the measurement jig is inserted in the processor slot, the processing unit reads at least one first voltage value from the at least one first voltage pin, reads at least one second voltage value from the at least one second voltage pin, and reads at least one third voltage value from the at least one first signal pin. The measurement jig provided by the invention can measure the mainboard with different set configurations.

The invention provides a muscle strength balance medical device which comprises a main control processor, a multi-channel business application module and a signal timing synchronization module. The main control processor is used for configuring and managing working data of the multi-channel business application module and the signal timing synchronization module, the multi-channel business application module is used for receiving a plurality of business information signals configured by the main control processor and transmission channels matched with the business information signals, the matched business information signals are transmitted to the signal timing synchronization module by the transmission channels, and the signal timing synchronization module is used for receiving the business information signals, configuring a plurality of bearing time slices for the business information signals and outputting the business information signals according to the sequence of the time slices. A plurality of pieces of business information can be simultaneously measured, measuring functions are rich, user operations are simplified, and cost is low. The signal timing synchronization moduleensures that single-channel energy can meet the requirement of multi-channel data for simultaneous working, electromagnetic compatibility is good, and smooth output of the business information is ensured.

The invention discloses an acrylic plate vibration measurement system based on ultrasonic waves, and the system comprises a trigger module which is provided with an acrylic plate and impacts the acrylic plate to enable the acrylic plate to generate vibration; an ultrasonic transmitting module which is internally provided with an ultrasonic transmitting assembly and a timing assembly, wherein the ultrasonic transmitting module transmits ultrasonic waves to act on the to-be-tested plate and reflects the ultrasonic waves back through the to-be-tested plate; an ultrasonic receiving module which is internally provided with an ultrasonic receiving assembly and a timing assembly, wherein the ultrasonic receiving module can receive the ultrasonic waves reflected back from the to-be-measured plate and calculate the time difference through the timing assembly. The invention relates to the technical field of acrylic plate vibration measurement. The acrylic plate vibration measurement system and the device based on the ultrasonic waves have the advantages that the measurement functions are diversified, the measurement result analysis is accurate, multiple groups of acrylic plates can be measured at the same time, and the measurement efficiency is relatively high.

The invention belongs to the field of airport aviation ground special equipment, and particularly relates to an aircraft wheel-runway friction coefficient measuring vehicle and a use method. The measuring vehicle specifically comprises a mounting platform, a gravity center adjusting device for changing the gravity center position of the measuring vehicle, a steering device for adjusting the rotation angle of a measured wheel, a matched locking device, and a front wheel driving device for driving the measuring vehicle to move. Based on an integral structure, the vertical load on the measured wheel is automatically changed through the control system, so that multiple groups of experimental data are obtained, friction coefficient measurement is more accurate, longitudinal rolling/sliding and transverse sliding of the airplane wheel can be measured, longitudinal, and transverse and longitudinal and transverse coupling friction coefficients can be achieved by adjusting the rotating angle of the measured wheel; measurement functions are more comprehensive, and the use method is simpler.