20results about How to "Improve metering efficiency" patented technology

The utility model discloses an auxiliary calibration device and system for a measuring trolley. The device comprises a supporting mechanism, a position adjusting mechanism, a first bottom plate and a top plate. One end of the supporting mechanism is connected with the first bottom plate, and the other end is fixed to the rail bottom of the steel rail during calibration and used for adjusting the horizontal levelness of the top plate. A clamping jaw is arranged at the bottom of the first bottom plate in the longitudinal direction, and the first bottom plate is fixed to a steel rail through the clamping jaw during calibration. Fixing bolts are arranged at the front end and the rear end of the first bottom plate in the longitudinal direction and used for adjusting the longitudinal levelness of the top plate. The position adjusting mechanism is arranged on the first bottom plate, the top plate is arranged on the position adjusting mechanism, and the position adjusting mechanism is used for adjusting the height of the top plate relative to the first bottom plate. The technical problems that an existing manual field calibration mode is high in labor intensity, large in calibration error and low in metering efficiency can be solved.

The invention relates to the technical field of intelligent metering of electric energy meters, and discloses a metering verification method and system for an electric energy meter group. The method comprises the steps of selecting a central node in a group through a dynamic scoring algorithm, generating a dynamic measurement reference based on environment information, collecting and detecting deviation data in real time, and carrying out calibration and data consistency processing on abnormal nodes. Compared with the prior art, the technical problem that high-precision automatic calibration cannot be realized by a traditional method in a manual regular calibration mode, especially under a complex power grid environment and a large-scale electric energy meter deployment condition, is solved. According to the invention, the optimal central node is automatically selected, and the metering reference value is dynamically adjusted based on the environmental condition, so that the real-time and adaptive metering calibration of the electric energy meters in the group is realized, the problems of low manual calibration efficiency and inconsistent data are avoided, and the metering efficiency of the electric energy meter group is remarkably improved.

The invention belongs to the field of microelectronic metering testing, and particularly discloses an integrated circuit standard sample wafer and a testing method thereof, and the standard sample wafer comprises a substrate, and a system-on-chip SoC, an analog-to-digital converter, a digital-to-analog converter, a reference source and a data selector which are mounted on the top surface of the substrate; the SoC is used for controlling the output, acquisition and feedback control of a standard signal; the analog-to-digital converter is used for realizing acquisition and closed-loop feedback of standard signals; the digital-to-analog converter is used for realizing output and closed-loop feedback of a standard signal; the reference source is used for providing a reference voltage of the analog-to-digital converter and a reference voltage of the digital-to-analog converter; and the data selector is used for realizing channel switching of the data test system so as to realize multi-channel test of a single standard sample. According to the invention, the test work efficiency of the integrated circuit test system can be improved.

The utility model belongs to the technical field of coating metering, and discloses a special road sign coating metering scale which comprises a supporting bottom plate, four measuring rods are fixedly connected to the left side and the right side of the top of the supporting bottom plate in a rectangular array mode, a sliding plate slidably sleeves the outer sides of the four measuring rods, and a spring is fixedly connected between the middle of the bottom end face of the sliding plate and the supporting bottom plate. A coating barrel is placed in the middle of the top end face of the sliding plate, a storage tank is fixedly connected to the top of the top plate, a conveying assembly is arranged at the bottom of the top plate, and a single-chip microcomputer is installed in the middle of the back face of the top plate. In the filling process of one coating barrel, the previous coating barrel which is filled is disassembled, and then the next coating barrel which needs to be filled is placed, so that the filling work and the coating barrel loading and unloading work are carried out at the same time, and the filling and metering work is not delayed.

The invention discloses a carbon emission metering method and device, terminal equipment and a storage medium, and the method comprises the steps: calculating the theoretical power generation amount and theoretical pollutant emission amount which should be generated in each power generation period of a coal-fired power plant, and combining the actual power generation amount and actual pollutant emission amount which are actually detected; and the second fire coal component content and the second fire coal carbon oxidation rate of each power generation period are speculated. Correcting the first fire coal component content and the first fire coal carbon oxidation rate according to a first average value of a first deviation value between the second fire coal component content and the first fire coal component content in a plurality of power generation periods and a second average value of a second deviation value between the second fire coal carbon oxidation rate and the first fire coal carbon oxidation rate; and finally, according to the corrected component content of the fire coal and the carbon oxidation rate of the fire coal, calculating the carbon emission by adopting a material balance method. Therefore, the actual fire coal component content and the fire coal carbon oxidation rate of the coal can be directly calculated, and the metering efficiency of the carbon emission is effectively improved.

The invention discloses a direct-current power supply automatic parallel calibration system and method, the direct-current power supply automatic parallel calibration system comprises a test area, a metering standard device, a junction box and a control system, a direct-current power supply to be calibrated is placed in the test area, a mechanical switch is arranged in the junction box, and the control system is connected with the junction box. According to the invention, the control system controls the mechanical switch in the junction box to adjust the connection mode between the direct current power supply to be calibrated and the metering standard equipment, that is, when different metering standard equipment needs to be used, manual repeated wire connection and replacement are not needed, and when a large batch of metering tasks are encountered, the metering efficiency can be improved, and the metering timeliness requirement can be ensured.

This invention relates to the field of flowmeter testing technology and discloses a fault prediction method for trade metering flowmeters. The method includes: acquiring historical calibration data of the flowmeter under preset operating conditions; obtaining a valid flowmeter coefficient dataset after outlier removal; calculating the arithmetic mean and standard deviation of the dataset to establish an initial statistical control chart including a centerline, warning limits, and fault limits; introducing an exponentially weighted moving average algorithm to generate EWMA dynamic control limits; and real-time acquisition of the flowmeter's K coefficient, comparing it simultaneously with the initial statistical control chart and the EWMA dynamic control limits, and determining the flowmeter's operating status based on the different control intervals in which the K coefficient falls. This invention solves the problem of traditional methods being insensitive to small or gradual drifts in flowmeter metering performance by constructing a triple control logic combining static control limits and dynamic trend limits, thus achieving early warning and predictive maintenance before errors exceed limits.

The utility model discloses a kind of chemical ink raw material precision measuring devices.The utility model includes: base, the base upper end is fixedly connected with two groups of vertical plate, the vertical plate upper end is fixedly connected with top plate, two groups The vertical plate between fixedly connected with layer board, the top plate upper end is fixedly connected with multiple groups of liquid raw material tank, the liquid raw material tank bottom is fixedly connected with discharge pipe, the discharge pipe bottom end is fixedly connected with solenoid valve, the solenoid valve bottom end is fixedly connected with measuring tube, the measuring tube is fixedly connected with layer board, the measuring tube inside is provided with material blocking subassembly, multiple measuring tubes are same in length, different in diameter, the layer board upper end is fixedly installed with telescopic cylinder one, the measuring tube circumferential surface is slidably connected with magnetic plate one, by the cooperation of solenoid valve, measuring tube, material blocking subassembly and telescopic cylinder one and magnetic plate one, can proportionally synchronously add the ink liquid raw material in liquid raw material tank inside into mixing tank inside, efficiency is higher, and manpower is saved relatively.

The invention relates to the field of multiphase flow meters, and particularly discloses a high-precision gas-liquid multiphase flow meter which comprises a gas-liquid cyclone separator, a gas outlet formed in the upper end of the gas-liquid cyclone separator, a liquid outlet formed in the bottom of the gas-liquid cyclone separator and an inlet formed in one side of the gas-liquid cyclone separator. A pressurizing mechanism is arranged on the inner side of the gas-liquid cyclone separator and comprises a first fixing frame fixedly arranged on the inner wall of the gas outlet and the inner wall of the liquid outlet. According to the high-precision gas-liquid multiphase flow meter, through the pressurization mechanism arranged in the gas-liquid cyclone separator, gas and liquid to be discharged can be pressurized after gas-liquid separation, so that the gas and the liquid can be rapidly discharged, the gas-liquid separation and metering efficiency is improved, and the gas-liquid separation and metering efficiency is improved; and moreover, liquid drops carried by gas due to overlong retention time in the gas-liquid cyclone separator can be reduced.

The utility model relates to the technical field of metering devices, and discloses a high-precision fiber automatic metering device which comprises a base, a groove is formed in the top of the base, a bearing seat is connected to the inner side wall of the groove in a chaining mode, a metering sensor is installed on the inner bottom wall of the groove, a hydraulic cylinder is fixedly connected to the inner bottom wall of the groove, and the hydraulic cylinder is fixedly connected to the inner bottom wall of the groove. A controller body is arranged on the front face of the base, the controller body is electrically connected with a metering sensor and a hydraulic cylinder, the top of the hydraulic cylinder makes contact with the bottom of a bearing seat, and the top of the bearing seat is fixedly connected with a connecting rod. According to the high-precision fiber automatic metering device, through a stirring structure composed of the motor, the worm, the worm gear, the rotating shaft and the stirring shaft, fiber materials are fully stirred before metering, the fiber materials are evenly distributed in the metering hopper, metering errors caused by local accumulation or uneven density are effectively avoided, and the metering accuracy is remarkably improved.

The invention relates to the technical field of distributed metering, and provides a method and device for carrying out distributed metering on a data set, computer equipment and a readable storage medium. The method comprises the following steps: packaging each metering element to obtain a metering operator corresponding to each metering element; selecting corresponding metering operators for combination to obtain each metering tool and deploying the metering tools on a plurality of computing nodes; dividing the data set into a plurality of data subsets; and sending the plurality of data subsets to different computing nodes, so that each computing node meters the data subsets according to the corresponding metering tool. By adopting the method, the coupling degree between the metering elements can be reduced, and the metering efficiency is improved.

The present invention provides a method and system for intelligently diagnosing the number of gaps in stacked board logs, the method comprising the following steps: marking gaps, pads, and wood stacks in a straight line on a scanned image; adjusting the generation parameters of the heat map according to the characteristics of different objects according to the generation method of the Gaussian heat map in the CenterNet network model, and generating a heat map Heatmap from the marked image; using Unet or improved Linknet34, UnetPLus, UnetPlusPlus, DeepLabV3 convolutional neural network models, taking the heat map as the target and the original image as the input for training, and obtaining a recognized heat map. The present invention obtains information on the number of wood roots, the number of stacks, and the number of pad layers through a computer deep learning method, thereby improving the accuracy of quantity calculation, greatly improving the metering efficiency, and saving the workload of the staff.

The application provides a data optimization method and system of an ultrasonic flowmeter, feature contents of to-be-analyzed ultrasonic data are extracted, and a bias degree is obtained; attribute drawing data corresponding to each feature content is obtained, each feature content is determined with a first common factor of a to-be-selected type, then the bias degree of each feature content and each first common factor are used to determine a second common factor of each to-be-selected type corresponding to the to-be-analyzed ultrasonic data, and then the type to which the to-be-analyzed ultrasonic data belongs is determined from each to-be-selected type through each second common factor. The application optimizes the ultrasonic data before metering and counting of the ultrasonic flowmeter, can analyze the feature contents of the to-be-analyzed ultrasonic data in multiple dimensions on the premise that the type to which the ultrasonic data belongs is unknown, can accurately determine the type of the ultrasonic data, and thus can more accurately optimize the ultrasonic data and improve the metering efficiency of the ultrasonic flowmeter.

The invention discloses a calibration device for metering of a digital meter, which belongs to the technical field of digital meter measurement and comprises a calibration source, a logic switch array and a control unit. The calibration source outputs multiple paths of electric signals containing resistance, voltage and current signals, an input interface of the logic switch array is electrically connected with an output port of the calibration source, multiple groups of channels of an output interface of the logic switch array are respectively connected with different digital multimeters, and the control unit controls channel switching of the logic switch array; a plurality of negative temperature coefficient thermistors which are connected in parallel can be arranged and are used for buffering protection of the current signal branch; the logic switch array is a small-size high-parameter relay group and adapts to the large-current output requirement through multi-channel parallel shunting. According to the invention, repeated manual plugging and wiring are not needed, automatic parallel calibration of a plurality of meters can be realized, the metering efficiency is remarkably improved on the premise of ensuring the calibration accuracy, the volume is compact, the portability is high, and the metering requirements of a plurality of meters on site can be effectively met.

The invention discloses a petrochemical oil metering method based on an AIRIOT internet-of-things design platform, and relates to the technical field of oil metering, the method adopts an SOA micro-service design and utilizes an internet-of-things low-code development platform, and the metering method executed under the platform comprises the following steps: S1, obtaining project parameter configuration and oil tank basic information; s2, acquiring real-time monitoring data of the oil tank; wherein the monitoring data comprises a liquid level yw, a water level sw and an average temperature wd; according to the technical key points, the petrochemical oil metering method based on the AIRIOT Internet of Things design platform has multiple beneficial effects of improving metering precision and efficiency, optimizing resource allocation, improving operation efficiency, improving system expansibility and flexibility and promoting digital transformation and intelligent upgrading; the effects jointly promote digital transformation and intelligent upgrading of the petrochemical industry.

The invention relates to the technical field of engineering metering, in particular to a highway subgrade receiver collaborative metering system based on a live-action three-dimensional model, and the system comprises a data collection module which is used for the data collection of multi-source equipment, so as to obtain subgrade basic data; the data preprocessing module carries out standardization processing on the roadbed basic data to obtain preprocessed data; the live-action three-dimensional model generation module generates a roadbed model through an SfM algorithm and an MVS algorithm; the metering platform performs feature extraction on the roadbed model to obtain point location engineering quantity metering data, length engineering quantity metering data and area engineering quantity metering data; and the report module is used for acquiring data of the metering platform to generate a project quantity report. According to the highway subgrade receiver collaborative metering system based on the live-action three-dimensional model, point location, linearity and area engineering quantity metering can be integrated, and the problems that a traditional metering method is low in precision and low in efficiency are solved.

The present invention relates to the field of data processing technology, and in particular to a risk measurement method and system based on duckdb database memory calculation. The method comprises: obtaining duckdb database data and code data for historical risk calculation, using the database data and code data to obtain basic data, frequent item sets and expressions; obtaining set importance according to the number, support and usage of basic data in the frequent item sets where the basic data in the frequent item sets are located in the code data; obtaining important factors according to the usage frequency, support and set importance of each expression in each frequent item set; combining the usage and important factors of the calculation result values ​​obtained from the basic data in each frequent item set of each expression in the code data, screening common sub-expressions and their corresponding frequent item sets, and then establishing indexes and storing them in the database. The present invention improves the efficiency of risk measurement.

The present invention discloses a continuous metering device for multiphase separation of oil and gas, including: a separation tank, which is provided with an oil and gas separation element and a water bag inside, and an intelligent magnetic flap level gauge connected to the upper and lower parts of the separation tank on the outer side of the separation tank; an oil inlet pipeline and a confluence pipeline are also provided on the separation tank, and an anti-overflow device is arranged on the confluence pipeline; an air outlet pipeline is respectively connected to the upper part of the separation tank and the confluence pipeline, and a temperature transmitter, a pressure transmitter, and a liquid pressure valve are arranged on the air outlet pipeline; a control cabinet, the oil inlet pipeline is connected to the well selection device, and the control cabinet is connected to the well selection device, the magnetic flap level gauge and the liquid pressure valve, which are used for well selection, data remote transmission and remote monitoring. The present invention realizes the metering of gas and liquid phases without a single-phase instrument through the anti-overflow device, the intelligent magnetic flap level gauge and the pressure transmitter and temperature transmitter on the air outlet pipeline, in cooperation with the metering program, and is simple to operate, and solves the problems of regular instrument calibration, intermittent liquid and large fluctuation of liquid volume overflowing the tank.

This utility model relates to the field of mixing machine technology, and provides an MPP tube mixing machine with a metering structure. It includes a base plate, a control center cabinet on top of the base plate, a bracket fixedly connected to the top of the base plate, and a metering screw feed mechanism on the top of the base plate. The cooperation between the metering screw feed mechanism and the internal components of the mixing mechanism enables precise control of the material conveying volume to achieve the metering function. The grooved design of the bracket provides stable support for the feeding box, ensuring stable operation. The reasonable layout of the feeding pipe and the transmission pipe ensures smooth material conveying, improving the accuracy and stability of feeding, and effectively enhancing the overall working efficiency and mixing quality of the MPP tube mixing machine. Through the above technical solution, the technical problem of poor efficiency in the mixing process in related technologies is solved.

The invention provides a construction inspection batch metering system and method based on three-dimensional laser scanning, and the method comprises the steps: obtaining the three-dimensional data of airport construction based on a three-dimensional laser scanning technology, carrying out the coding of the three-dimensional data based on the attributes of the airport construction, obtaining a data coding identifier, obtaining a batch inspection standard, and obtaining an inspection coding identifier, the method comprises the steps of establishing a batch inspection process based on a data coding identifier and an inspection coding identifier, performing metering rule introduction on an airport construction model based on the batch inspection process to obtain an airport construction metering model, and performing batch inspection metering of airport construction by utilizing the airport construction metering model based on a metering task. According to the technical scheme, the airport construction three-dimensional data of the airport construction area is rapidly obtained, manual measurement errors are reduced, the construction efficiency is improved, the metering efficiency and precision are improved by comparing scanning data in different periods, manual intervention and errors are reduced, and therefore the engineering cost and risks are better controlled.