25 results about "Measuring instrument" patented technology

The invention discloses an intelligent rainwater system based on runoff simulation and multi-sensor monitoring, and an operation method. The system comprises a runoff simulation and control host basedon a GIS, a meteorological forecast and runoff satellite monitoring server, a distributed small meteorological station, a vertical surface rain condition monitor, a movable rainfall radar, an infrared video monitor, an evaporation measuring instrument, a rainwater pipe network flow monitor, a water quality online monitor, an air quality monitor, a radar rainfall monitor, an infiltration area saturation monitor, an accumulation area water level monitor, a shallow-layer underground water level monitor, a surface runoff monitor, a waterproof unmanned aerial vehicle with a speed measuring buoy, an optical fiber temperature sensing system, an optical fiber pressure sensing system, a communication module, an intelligent controller, a rainwater utilization facility water supply point, a high-position rainwater hydroelectric generation module, a submersible conveying pump, a pressurization infiltration device and the like. According to various parameters, the rainfall flood disasters are subjected to scientific early warning and warning, and measures are adopted, so that the disaster risk of rainfall flood disasters to a building area or a building can be reduced.

The present invention discloses a multi-channel aerosol scattering absorption measuring instrument, comprising a light path device, a detection device and a gas path device. The light path device supplies three different wavelengths of laser entering the detection device in sequence; the detection device is provided with photoelectric detectors at multiple angles for measurement, so as to reduce the measurement error of aerosol scattering coefficient; the gas path device comprises a sample loading unit, a calibration unit and a sample discharging unit; and a light source from the light path device and a gas flow from the gas path device enter the photoacoustic cavity of the detection device respectively and are detected by a control unit. The aerosol scattering absorption measuring instrument of the present invention is characterized by multi-channel, multi-angular, full-scale and direct measurement of scattering phase function and absorption coefficient of aerosol particles, combines the function of synchronously acquiring the optical parameters of an aerosol (such as scattering coefficient, extinction coefficient, visibility, transmittance, single scattering albedo, etc.), and achieves the integrated on-line detection of different optical parameters of an aerosol with high automation degree and good stability.

The invention discloses an intelligent height measuring instrument which comprises a mobile phone terminal 1, a distance measuring device, and a horizontal reference rod 2 installed on the distance measuring device. The distance measuring device is connected with the mobile phone terminal 1, and is a structure according to which a distance measuring processing chip 4, an ultrasonic transducer 6, a buzzer 7, an LED indicator light 8 and a horizontal angle transducer 9 are fixedly installed in a shell 3. The ultrasonic transducer 6, the buzzer 7, the LED indicator light 8 and the horizontal angle transducer 9 are electrically connected with the distance measuring processing chip 4 respectively. The horizontal reference rod 2 is fixedly installed on the shell. The intelligent height measuring instrument has the advantages of being easy to operate, capable of automatically adjusting balance and recording data and high in practicability.

The invention provides a side slope wide-range distance measuring instrument and a side slope deformation real-time monitoring method. The side slope wide-range distance measuring instrument comprisesa guide rod, a guide shell arranged at the outer side of the guide rod and a guide base arranged below the guide shell; the outer wall of the guide rod is connected with the inner wall of the guide shell through a bearing; a first angle measuring device for measuring the rotary angle of the guide rod is arranged in the guide shell; a traction rope winds the outer wall of the guide rod, one end ofthe traction rope is fixed to the guide rod, and the other end of the traction rope penetrates through the guide shell; the guide base is connected with the guide shell through the bearing; the distance measuring instrument further comprises a second angle measuring device for measuring the rotary angle of the guide shell. A calculation method for distance change between every two adjacent distance measuring instruments and position coordinates of the distance measuring instruments after side slope deformation is put forward. By means of the side slope wide-range distance measuring instrument, rock and earth mass can be monitored in real time, and sliding influence area range and stratum moving conditions are determined.

The invention provides a calibration method and system of a test system. The method comprises the following steps: controlling a signal source to enable a source signal to be input to a system input end of the test system, and enable the source signal to be input to a power amplification device through the input end of a device under test of the test system, wherein the power amplification device is used for carrying out amplification processing on the source signal to generate an amplification signal; and controlling a measuring instrument to read a first output signal at the system output end of the test system, calculating first insertion loss data of the test system according to the source signal, the first output signal and nominal value data of the power amplification device, and carrying out high-power calibration on the test system according to the first insertion loss data. The calibration method and system can calibrate the test system under large power, and can obtain the measurement data of the device under test in a large power state.

In an electric discharge machining apparatus that machines a workpiece (1) by using a water-based dielectric fluid as a dielectric fluid while a voltage is being applied to a machining gap between an electrode (2) and the workpiece (1), the electric discharge machine includes:

an anticorrosive power source section (26) that applies a predetermined voltage by taking the workpiece (1) as a cathode and taking as an anode an anticorrosive electrode (25) opposing the workpiece (1) with an insulator (24) therebetween;

a dielectric fluid quality measuring instrument (22) that measures a quality of the dielectric fluid; and

a dielectric fluid quality control section (16, 17, 18, 19, 20, 21, 23) that controls a pH level of the dielectric fluid to be within a range from 8.5 to 10.5 on the basis of the measured result of the dielectric fluid quality measuring instrument (22).

A surveying instrument comprises a projection optical system for irradiating a distance measuring light which is a linearly-polarized light to an object to be measured, a light receiving optical system for receiving a reflected distance measuring light from the object to be measured, a polarization selecting module for selecting a polarization of the reflected distance measuring light received by the light receiving optical system and an arithmetic control module for controlling a distance measurement based on a light receiving result of the reflected distance measuring light, wherein the arithmetic control module is configured to give a material information to a distance measurement result of the object to be measured based on a change in light receiving amounts caused due to a selection of the polarization by the polarization selecting module.

The invention discloses a steering angle measuring instrument and a method. The steering angle measuring instrument is widely applied to driving vehicles and comprises a microcontroller module, a multiaxial gyroscope module, a power supply module, a storage module, an I/O module and a fastening module, wherein the multiaxial gyroscope module sends multiaxial data to the microcontroller module in motion, the microcontroller module sends a steering angle value to an upper computer through the I/O module after calculation and analysis, and when a steering angle is in excess of a set parameter, a driver is reminded through the modes such as an LED and voice. According to the steering angle measuring instrument and the method, datamation of angles of steering wheels and a steering handwheel of a driving vehicle is achieved, so that steering angle values are provided for general drivers through easy and convenient installation, low implementation cost and small installation space, certain assistance is provided in promoting driving skills and reducing traffic accidents, and driving stirring angle values are further provided for unmanned driving vehicles.

The invention belongs to the technical field of textile color matching, and relates to a one-step color matching method for a color-spun fabric. The method includes the steps that 1, monochromatic fibers with at least two colors are subjected to color mixing in a mixing ratio, and samples are made through cotton blending and cotton carding processes; 2, the color values of all the obtained samplesare measured through a color measuring instrument, and a database is established based on the color values; 3, the color value of an incoming sample color-spun fabric is measured through the color measuring instrument, and the types of the monochromatic fibers contained in the incoming sample color-spun fabric are determined; 4, a sub-base in the mixed-color fiber color database is located according to the determined types of the monochromatic fibers; 5, the sample with the color closest to that of the incoming sample color-spun fabric is found from the located sub-base according to the chromatic aberration minimum principle. The color matching method for the color-spun fabric is fast, accurate and convenient; different from a traditional method with many restrictions, the method is simple and direct, and can greatly shorten the production cycle of the color-spun fabric and improve the economic benefit of color spinning enterprises.

The invention discloses an engine bifurcated tail spray pipe weld joint laser shock peening and correcting method and device. The method comprises the following steps: performing failure analysis on atail spray pipe, determining a weld joint area needing to perform laser shock peening, performing shock peening on the weld joint area needing to be peened by a laser shock peening unit according toa shock peening parameter of a thin-wall plate, measuring a material dynamic strain field of a laser shock peening area on line by virtue of an optical measuring instrument, calculating strain field data to acquire a material dynamic constitutive equation and dynamic strain rate data, aligning a tail spray pipe measuring model with a CAD model by virtue of a three-dimensional outline scanner, calculating curvature error and torsion error of a tail spray pipe reinforcement area, transmitting all the measured data to a whole machine control system, adjusting a laser parameter of shock peening and determining the laser parameter needing to be corrected and a correcting route, and correcting torsion and bending in the tail spray pipe reinforcement process through the laser shock peening unit.

The invention discloses a VL besides-star wheel automatic-grouping instrument which comprises a detection part, a feeding part and a discharging grouping part. The detection part comprises a basal plane identification device, a circumference positioning device and a measuring device, the basal plane identification device is connected with the feeding part and is used for judging whether the orientation of the basal plane of a workpiece is correct or not, if so, the workpiece continues to flow downwards to the circumference positioning device, and if not, the workpiece is turned over and then flows downwards to the circumference positioning device; the circumference positioning device is used for adjusting the position of the workpiece to the same position as the detection position of the measuring device; and the measuring device is used for measuring the actual compression amount of a displacement sensor when the workpiece is detected and comparing the actual compression amount with astandard compression amount to obtain a PCD value of the workpiece, wherein the standard compression amount is obtained through the compression amount of the displacement sensor when a standard sample is measured by a standard measuring instrument. The VL besides-star wheel automatic-grouping instrument solves the automatic grouping problem of VL besides-star wheels, and is high in automation degree, small in measurement error and accurate in grouping.

The invention relates to an on-line colorimetric pH measuring instrument for water vapor detection of a power plant, and belongs to a water quality chemical analysis instrument. The instrument comprises a multi-path sample injection valve, an overflow device, a water shortage detection device, a channel selection valve, a peristaltic metering pump I, a peristaltic metering pump II, a mixer, an automatic thermostat, a photometer, a pH 6.86 standard liquid barrel, a pH 9.18 standard liquid barrel, a pH 10.0 standard liquid barrel and a phenolphthalein indicator barrel. The instrument has the advantages that the non-traditional glass electrode is used as the pH sensor, the glass electrode and corresponding accuracy influence factors are eliminated, the photometer with high stability and accuracy is used for measurement, the measurement accuracy and reliability are greatly improved, the workload of instrument maintenance personnel is reduced, and the method is a novel method for online measurement of the pH of a steam-water system of a power plant. According to the characteristic of slow change of water quality pH of a power plant, time-sharing measurement of more paths of water samples can be expanded.

The invention discloses an automatic installation robot for construction engineering, comprising a machine body, wherein the machine body comprises a base, an optical measuring instrument and an automatic mechanical arm are arranged on the base; one end, away from the base, of the automatic mechanical arm is provided with a gripping device; a storage battery is arranged in the base; a laser scanner is arranged on the base; an infrared distance sensor and a main control module are also arranged on the base; and the optical measuring instrument, the laser scanner and the infrared distance sensorare respectively and electrically connected with the main control module. The automatic installation robot provided by then invention has the characteristics of simple structure, convenient operationand high installation precision.

The invention relates to a single-ended electrical signal measuring instrument relating to electrical signal measurement. The single-ended electrical signal measuring instrument comprises an operational amplifier, a divider resistor, a feedback resistor, a voltage generation resistor, a battery and a shielding box, wherein both ends of the voltage generation resistor are respectively connected with a reference zero and the positive-phase input end of the operational amplifier; both ends of the divider resistor are respectively connected with the reference zero and the reverse-phase end of the operational amplifier; both ends of the feedback resistor are respectively connected with the output end and the reverse-phase end of the operational amplifier; the battery is connected between the power supply end of the operational amplifier and the reference zero; a circuit is placed into the shielding box; and the positive-phase input end and the output end of the operational amplifier are respectively the input end and the output end of the single-ended electrical signal measuring instrument. The noise of a ground wire is measured by adopting a single-ended method, and the invention can directly measure the potential float of an appointed ground wire without an assistant ground wire, thereby making up the limitation that the traditional double-ended measurement can not show which ground wire generates the noise.

The invention relates to a strip-type suspending test board arranged above electromechanical equipment. The test board comprises a large strip-type test board, a tripod or a laneway's side fixing mount arranged on the large strip-type test board, and the large strip-type test board is provided with a left end fixed hole, a right end fixed hole, a left section strip-type hole, a right section strip-type hole, reinforcing ribs and a cross arm of the strip-type test board. The laneway's side fixing mount comprises a laneway's side fixing mount layer board, a laneway's side fixing mount side plateand a laneway's side fixing mount clamp anchor rod core adjusting gasket clip. The laneway's side fixing mount layer board is provided with a laneway's side fixing mount layer board strip-type hole connected with the left end fixed hole or the right end fixed hole, the laneway's side fixing mount clamp anchor rod core adjusting gasket clip is clamped at a groove between an anchor rod core adjusting gasket and an anchor rod tray, the left end fixed hole is connected with the tripod or the laneway's side fixing mount through bolts, and the right end fixed hole is connected with the laneway's side fixing mount or the tripod through bolts; transport equipment does not need to be moved, and a measuring instrument is erected on the transport equipment. The strip-type suspending test board has the advantages of saving testing time, improving work efficiency, and ensuring measurement accuracy.

The present invention provides a general spectral analysis system. The system comprises a light source, a first optical path component, a sample cell, a second optical path component and a spectral analysis module, wherein the first optical path component is used for focusing and coupling spectral analysis light generated by the light source into the sample cell; the second optical path componentis used for coupling the transmitted spectral analysis light which is absorbed by a liquid sample in the sample cell and emitted by the sample cell into the spectral analysis module; the spectral analysis module comprises a slit, a collimating mirror, a plane grating, a focusing mirror and a photoelectric detector; and the transmitted spectrum analysis light emitted by the second optical path component sequentially passes through the slit, the collimating mirror, the plane grating and the focusing mirror to be imaged at the photoelectric detector. The system has the advantages that the systemcan be widely used for spectral analysis of substances and especially used for liquid chromatographs and environmental measuring instruments and the like as a detection system; and aberrations of spectral imaging can be effectively corrected to obtain high-image quality spectra, so that the analysis work of the liquid sample is more accurately completed.