47results about How to "Improve calibration quality" patented technology

The invention provides a value traceability and monitoring method for a low-voltage current transformer automation verification system. Value traceability is performed on the low-voltage current transformer automation verification system based on a network remote correction method. The method comprises monitoring test data of low-voltage current transformer inspection samples output by the verification system through a statistical method and performing risk early warning on the low-voltage current transformer. Comparing with the prior art, time required by correction is shortened, correction costs are reduced, and the metering center work delaying time of a measuring center is reduced; results can be re-inspected on line before verification, so that the correction quality is improved; sample testing and verification data statistical processing are completed automatically through a computer, the monitoring amount of the automation verification system state is reduced, and the reliability and the timeliness of state monitoring of the automation verification system are improved.

The gear rack type plumbing quick matching device for plumbing welding joints, comprises gears, racks, sprockets, chains, steel wires and positioning rings, features in the teething major drive gear inside the bracket or gears in the fitting box or the wheel shifting claw on the wheel shift shaft inside the bracket, with the gear and rack or sprocket teething. In use, plumbing matching device is placed on the middle of the plumbing, circling one round of the chain connecting the matching machine, inserting the gear or sprocket at the end of the chains to the plumbing or matching device, pushing the operation bar driving the gear moving, gear shifting racks or sprockets, which shrinks the chains or steel wires. Rectifier plate forces the plumbing opening at the same axis, fastening plumbing matching device side shrinking positioning ring, realizing the matching of plumbing. It is simple, quick, energy saving with improved efficiency.

The invention provides calibration equipment and method of a pressure sensor. The calibration equipment comprises a temperature setting unit, a pressure setting unit, a control module, an environmentdetecting module and a base, wherein the temperature setting unit is used for setting the temperature of a to-be-calibrated sensor; the pressure setting unit is used for setting the pressure of the to-be-calibrated sensor; the environment detecting module and the temperature setting unit are connected with the control module to detect and reflect the temperature parameter of the temperature setting unit in real time, and the environment detecting module and the pressure setting unit are connected with the control module to detect and reflect the pressure parameter of the pressure setting unitin real time; the base is used for supporting the to-be-calibrated sensor. By the calibration equipment and method, a calibration process is simplified, and calibration efficiency is increased.

The invention provides calibration equipment and method of a pressure sensor. The calibration equipment comprises a temperature setting unit, a pressure setting unit, a control module and an environment detecting module, wherein the temperature setting unit is used for setting the temperature of a to-be-calibrated sensor; the pressure setting unit is used for setting the pressure of the to-be-calibrated sensor; the environment detecting module and the temperature setting unit are connected with the control module to detect and reflect the temperature parameter of the temperature setting unit in real time, and the environment detecting module and the pressure setting unit are connected with the control module to detect and reflect the pressure parameter of the pressure setting unit in realtime. By the calibration equipment and method, a calibration process is simplified, and calibration efficiency is increased.

The invention discloses a disease prediction method and system based on medical big data. The method comprises the following steps: importing mass spectrum data of mainstream mass spectrum instrumentmanufacturers, and completing the conversion from original mass spectrum data of the manufacturers to a general data format; realizing automatic labeling and qualitative analysis of endogenous compounds in the mass spectrum through a metabolite compound database according to the spectrum information of the endogenous metabolites of the individual human body and a compound search matching algorithm; wherein the loading is used for effectively managing huge and complex human body metabonomics samples and carrying out data mining and modeling, and the loaded data types mainly comprise targeted and non-targeted metabonomics mass spectrum original data and labeling results; performing standardized cleaning, compound alignment and qualitative and quantitative analysis on complex multi-sample data, and performing correction by adopting a multi-class algorithm; and adopting a machine learning model training set algorithm with different types of mass spectrum data processing characteristics tocomplete the whole process of training, publishing and maintaining the user disease prediction model.

The invention relates to an auxiliary verification device for a hopper scale. The verification device is characterized in that: the verification device includes multiple weighing sensors used for bearing the weight of the entire device, and also includes a weighing platform horizontally disposed right below a hopper bin and capable of placing a weighing weight, the weighing sensors collect a weight signal through a sensor cable to a sensor gathering junction box, the sensor gathering junction box is connected to a weighing secondary meter through a weighing total cable, and the weight is displayed by the weighing secondary meter, and inspection of the hopper scale is achieved by increase and decrease of the weight of the weighing platform. The verification device enables the work efficiency to be improved, is also convenient to perform full-scale range verification check on a verification result, and runs in a steelmaking molten iron pretreatment workshop for many years, thus being obvious in effect.

The invention relates to an automatic calibration device for an eddy current liquid level meter. The automatic calibration device comprises a calibration rod, a fixed frame, a calibration plate and astepping motor, wherein the fixed frame is vertically mounted on a base and parallel to the calibration rod; the calibration plate is mounted at the bottom end of the calibration rod; the stepping motor is mounted at the upper part in the fixed frame; a vertical downward lead screw is connected onto an output end of the stepping motor; a lifting block in threaded connection is arranged on the leadscrew; a calibration rod clamp seat is connected with one side of the lifting block; the calibration rod is inserted and fixed in the calibration rod clamp seat; a scaleplate for calibration and measurement is vertically and fixedly mounted on the fixed frame. Under unified control of a liquid level secondary meter, one-key calibration as well as verification and re-check of calibration data is completed by the device, and calibration of an eddy current system is completed greatly and rapidly.

The present invention refers to a method for controlling the laying of components of tyres on forming drums, said method comprising: sending a first electromagnetic radiation (Ril) on a first laying down structure (3a) comprising a forming drum (2) and a first component (CI) of a tyre laid down on said forming drum (2); detecting at least a first corresponding reflected radiation (Rrl), determining as a function of said first reflected radiation (Rrl) a first parameter (PI) representative of a first main length (LI) of said first component (CI); comparing said first parameter (PI) with one or more pre-stored reference values; generating a first correction signal (SI) as a function of said comparison; sending said first correction signal (SI) to at least one preparation station adapted to prepare said first component (CI) to regulate the preparation of further components. An apparatus for controlling the laying down of components of tyres on forming drums is also described.

The invention discloses a speech translation text correction system, method and device and related equipment. According to the system, a source language text fragment corresponding to voice stream data collected by a client in real time is determined through a server, and the text fragment is sent to the client; and receiving the manually corrected first clause text sent by the client, determining a second clause text of the target language corresponding to the first clause text, and sending the second clause text to the client, the client collects voice stream data in real time and sends the voice stream data; and displaying the text segment, determining a first clause text, and sending the first clause text, and displaying the second clause text. By adopting the processing mode, the original text clause text is manually corrected along with the real-time speech recognition progress, and the manually corrected original text clause text is translated before one sentence is recognized, so that the translation text correction processing of clause granularity is realized; therefore, the correction efficiency and the correction quality can be effectively improved.

The invention relates to a temperature-measuring push-pull single-chip shutter structure for an infrared thermal imager, comprising a temperature-measuring chip, a shutter protection cover, blades, a solenoid valve, a solenoid valve control lead wire, a shift lever and a shutter shell. A focal plane window is provided on the protective cover and the shutter case, and a solenoid valve is installed on the shutter case, and the solenoid valve is connected to an external circuit board through a solenoid valve control lead wire, and the solenoid valve can drive the lever to reciprocate One end of the lever is connected to the valve stem of the solenoid valve, the other end is connected to the end of the blade, the blade can close or open the focal plane window, and the shutter protection cover is buckled with the shutter shell The temperature measuring chip is attached to the shutter protection cover, the structure is more compact and simple, the push-pull blade has better stability, and the temperature of the single blade is uniform. In addition, the temperature measurement chip is attached to the shutter protection cover to accurately read the blade. The temperature provides a reference for the temperature measurement function of the infrared thermal imager.

The invention provides an underwater imaging system, an underwater imaging device and an underwater imaging method. The underwater imaging device includes a casing, an object imaging device on the water surface, and a water surface ripple measurement device, and both the object imaging device on the water surface and the water surface ripple measurement device are located in the casing , the housing is provided with an optical window, the water object imaging device is used to obtain the image of the water object through the optical window, the water surface ripple measurement device is used to obtain the image of the reflection spot of the water surface corrugation corresponding to the imaging of the water object through the optical window, and the processor performs Water surface ripple reconstruction and image correction for water objects. In the present invention, the water surface object imaging device and the water surface ripple measurement device adopt a coaxial and common optical path structure, so that the water surface ripples transmitted by the imaging light of the water surface object imaging device are consistent with the water surface ripples measured by the water surface ripple measurement device, and the obtained image of the water object is reconstructed. The registration between the water surface ripples is easier, which improves the correction quality of the water object image.

The invention discloses a laser-assisted calibration process for diesel engine assembly. The process comprises the following steps of 1) processing a guide sleeve, and ensuring that the inner diameter of the guide sleeve is matched with a laser emitter, and the outer diameter of the guide sleeve is matched with the inner diameter of an oil nozzle; 2) mounting the laser emitter on the guide sleeve, and connecting the guide sleeve and the laser emitter with the oil nozzle; 3) turning on the laser emitter, simulating an oil column emitted by the oil nozzle by a laser emitted by the laser emitter, and assisting debugging personnel to perform calibration and debugging by observing the condition of the laser emitted by the laser emitter; 4) adjusting the angle and direction of the oil nozzle, and ensuring that the laser on the oil nozzle directly irradiates into a piston cooling hole; 5) after debugging is completed, pulling out the guide sleeve and the laser emitter on the oil nozzle. The process is ingenious in design, the calibration process is simplified, the calibration time is shortened, and the calibration quality is improved.

The invention discloses a pipe orifice correction device capable of achieving rapid alignment. The pipe orifice correction device comprises a correction hydraulic mechanism, a rotary clamping mechanism, a lifting mechanism, a walking mechanism, a hydraulic pump station and a control cabinet. The correction hydraulic mechanism is connected to an installation plate of the lifting mechanism through the rotary clamping mechanism. The lifting mechanism is installed in the walking mechanism. According to the pipe orifice correction device, the flexible rotary clamping mechanism and a PLC automatic control system are adopted, a device body is provided with a plurality of gravity center lifting points, and it is effectively guaranteed that a correction jack rapidly and accurately finds a correction point; a flexible connector has a certain compensation effect on relative position deviation caused by the correction jack connected with the flexible connector in the correction process, the correction jack can be allowed to achieve automatic alignment to a certain degree, and it is guaranteed that the correction pushing direction is perpendicular to the pipe wall all the time; and a rotation mechanism can drive the correction jack to rotate at an angle of 360 degrees around the axis of a pipeline in a pipe orifice, the correction point can be conveniently, rapidly and accurately found, thecorrection working condition is effectively improved, the working efficiency is improved, the correction precision is guaranteed, and the correction quality is improved.