30results about How to "Improve verification work efficiency" patented technology

The invention provides a metrological verification device capable of realizing in-situ integral metrological verification for an automatic test system based on a GPIB (general purpose interface bus) and VXI (virtual extension interface) mixed bus, which comprises a control computer, a standard instrument and a verification adapter, wherein the standard instrument is connected with the verification adapter through a cable and is connected with the control computer through a GPIB control bus, a GPIB controller, a VXI-MXI (multisystem extension interface) controller and a metrological verification program are installed in the control computer of the automatic test system, and the verification adapter is connected with an ARINC608A interface of the automatic test system. When metrological verification is performed, measurement data are obtained from the ARINC608A interface of the automatic test system, in-situ metrological verification of the automatic test system is realized, damage to instruments and equipment is reduced, integral verification of comprehensive technical indexes of the ATS (automatic test system) is realized, and verification efficiency is improved.

The invention provides a vehicle-mounted terminal SCR inlet and outlet temperature data consistency test method, which comprises the following steps: 1) static test: when a vehicle is in an in-situ idling state, removing temperature sensors at an SCR inlet and an SCR outlet from an SCR shell, and placing the SCR inlet and outlet temperature sensors in a temperature controller; verifying the consistency of the set value of the temperature controller and the test data of the slave remote platform; and 2) dynamic test: keeping the temperature sensors at the inlet and the outlet of the SCR normally installed in the SCR, keeping the vehicle in a driving state, and verifying the consistency of the data read through the CAN network node and the test data from the remote platform. According to themethod, a static test method and a dynamic test method are adopted, compared with a traditional method of directly punching holes in the catalyst carrier to install the sensor, a test conclusion canbe obtained more quickly, and heavy workload of hardware punching and possible carrier damage risks are avoided. Meanwhile, through static and dynamic data transmission path segmentation confirmation,problem points in the data link are easy to find.

The invention discloses a fault electric energy meter rapid judgment method by applying a multi-epitope electric energy meter detection device, belonging to a method for measuring an electric energy meter fault. An electric energy meter is connected with the multi-epitope electric energy meter detection device, a communication state between epitopes in the electric energy meter detection device is detected according to segments so as to rapidly find the position at which a fault electric energy meter is located. By the method, the fault electric energy meter in the electric energy meter connected with the multi-epitope electric energy meter detection device can be judged within 1 minute, fault judgment time is reduced, and verification efficiency is improved; each fault finding time of the traditional finding method is about 2.5 minutes, each fault finding time of the method is about 1 minute, and verification efficiency is greatly improved.

The invention relates to a mass-type rain gauge-based automatic calibration device and a mass-type rain gauge-based automatic calibration method. The mass-type rain gauge-based automatic calibration device adopts an integrated-distributed architecture, and comprises a console and a plurality of calibration terminal workbenches, wherein the console is in cascade connection with the plurality of calibration terminal workbenches, a regularly calibrated electronic balance is adopted to weigh mass of water in a water supply module in real time, the mass of water conveyed from the water supply module to a calibration container is calculated as a standard value of the mass; by using a pure water density reference table, a mass value of the water in the calibration container is converted into volume, and the volume is divided by area of a rain accepting mouth to obtain a standard value of rainfall; a peristaltic pump is used to fully convey the water in the calibration container to a calibrated rain gauge at a set flow rate; and the standard value of the rainfall is compared with an indicating value of the calibrated rain gauge to obtain a calibration/verification result. The mass-type rain gauge-based automatic calibration device disclosed by the invention has the technical effect of capability of realizing automatic measurement calibration on all kinds of rain gauges, has the comprehensive advantages of good performance, high efficiency and low cost, and has a very broad application prospect.

According to the high-precision timestamp verification method based on the UVM, precision verification of various timestamp message types compatible with various 1588 nodes (OC/BC/TC) is achieved by constructing the high-precision timestamp verification method, the verification timestamp precision can reach the ns level, and the functions of most related products can be covered and verified; the modular component design is convenient to transplant, the architecture is clear, higher portability and reusability are achieved, and the verification work efficiency is greatly improved.

The invention provides a chair dynamic flexibility test device and a test method. The test device comprises a chair connection tooling and a test chair, wherein the test chair is fixedly arranged on atabletop through the chair connection tooling; a laser displacement sensor is fixedly arranged on the tabletop through a laser displacement sensor connection tooling. The chair connection tooling, the laser displacement sensor connection tooling, the laser displacement sensor and a laser displacement sensor light sensing clamp are used in a matched way; through the instant collection and calculation of data, the dynamic flexibility of the tested chair can be obtained; the design level of the chair comfort performance and the product verification work efficiency are improved.

The invention belongs to the technical field of acoustic measurement, and relates to a sound level meter calibrating device rotary table. The rotary table comprises a supporting device; a driving assembly, arranged on the upper side of the supporting device; a rotary table, arranged on the upper side of the driving assembly and connected with an output piece of the driving assembly, and the driving assembly being used for driving the rotary table to achieve circumferential angle adjustment; a plurality of clamps used for respectively clamping a standard microphone and a plurality of detected instruments and uniformly arranged on the rotary table, and the positions of the clamps being adjustable along the radial direction of the rotary table; a detection device, arranged on the rotary table and used for collecting the rotation angle of the rotary table; a silencing material layer, wrapping the supporting device, the driving assembly, the rotary table and the clamps and used for absorbing echoes and eliminating damage of the support structure to a free sound field; and a controller arranged on the support and electrically connected with the detection device and the driving assembly. According to the invention, a plurality of sound level meters can be calibrated at the same time without destroying a free sound field, the calibration efficiency is improved, and the labor intensity of a calibrator is reduced.

The invention relates to a liquid-feeding-discharging combination valve for a standard metal measuring device. The structure of the liquid-feeding-discharging combination valve for the standard metal measuring device comprises a main pipe, a liquid feeding branch pipe, a liquid feeding valve and a liquid discharging valve. The upper end of the main pipe is connected with the bottom connector portion of the standard metal measuring device. The liquid feeding branch pipe is arranged on one side of the main pipe in an inclined mode. A lower end opening of the liquid feeding branch pipe is connected with the main pipe. The horizontal height of an upper end opening of the liquid feeding branch pipe is higher than the horizontal height of the lower end opening of the liquid feeding branch pipe. The liquid feeding valve is arranged on the liquid feeding branch pipe. The liquid discharging valve is arranged on the main pipe. By arranging the liquid feeding valve and the liquid discharging valve in a separated mode, the liquid feeding valve is close to a bottom connector of the standard metal measuring device, and the liquid discharging valve is arranged below the liquid feeding valve. A Y-shaped structure is formed by the liquid feeding branch pipe provided with the liquid feeding valve and the main pipe provided with the liquid discharging valve, so that the measuring detecting requirement that air is not blocked in a metal measuring device during the liquid feeding process, and residues do not exist inside the metal measuring device after liquid discharging is well achieved. After assembling, the design requirement for a high accurate standard metal measuring device is met by the standard metal measuring device.

The invention relates to the technical field of electric power, in particular to a current transformer auxiliary wiring device which comprises a shell, wiring terminals K1 to Kn are arranged on the surface of the shell, manual switches Q1 to Qn are arranged on the surface of the shell, one ends of the manual switches Q1 to Qn are connected to the wiring terminals K1 to Kn in series in a one-to-one correspondence mode, and the other ends of the manual switches Q2 to Qn are connected with the manual switches Q1. A triangular support used for adjusting the height of the shell is arranged at the bottom of the shell. The device is reasonable and compact in structure and convenient to use, the purpose of short-circuiting any two secondary side terminals of the current transformer can be achieved by controlling the closing states of the manual switches Q1 to Qn, and therefore when the secondary current of the current transformer is verified to be different transformation ratios of 1A, independent wire changing short-circuit operation does not need to be carried out on different terminals; and the workload of workers is reduced, the calibration work efficiency is improved, the risk of mistaken electric shock of the workers is avoided, and the characteristics of high efficiency, rapidness and safety are achieved.

The embodiment of the invention discloses a verification method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a first verification case; according to the first verification case, a corresponding verification environment is created, the verification environment is provided with a corresponding first parameter configuration tree, and the first parameter configuration tree at least comprises parameter nodes corresponding to all environment components; based on the verification environment and the corresponding first parameter configuration tree, the to-be-tested object is verified, a verification result of the to-be-tested object under the first verification case is obtained, and in the verification process, parameters needed by all the environment components in the verification environment are obtained from parameter nodes corresponding to all the environment components. According to the embodiment of the invention, the parameters of the verification environment are uniformly managed through the parameter configuration tree, and the parameters of the environment components of the verification environment are uniformly obtained from the corresponding parameter nodes, so that the parameters of the environment components are separated from the environment, the parameter readability and management efficiency are effectively improved, and the verification working efficiency is improved.

The invention discloses a base station longitude and latitude positioning method and device, computing equipment and a computer storage medium. The method comprises the following steps of: acquiring a minimization drive test data set of three cells of a target base station; for each cell, rasterizing a plurality of sampling points according to the position data and the receiving power data of the plurality of sampling points in the minimization drive test data set of the cell to obtain sampling point results of a plurality of grids; establishing association between the plurality of grids and preset power intervals to which the average receiving power of the grids belongs, and calculating central positions of the grids belonging to the preset power intervals by taking the preset power intervals as units to obtain a plurality of central positions of the plurality of preset power intervals in the cell; and locating the longitude and latitude of the target base station according to the plurality of center positions of the three cells. Therefore, by adopting the base station longitude and latitude positioning method and the device, the longitude and latitude of the base station can be efficiently and accurately positioned, and effective checking of the longitude and latitude of the base station is further facilitated.

The invention provides a base station engineering parameter checking method and device, relates to the field of communication, and the range of a base station needing on-site checking and the workloadof on-site checking can be reduced, thereby improving the efficiency of base station engineering parameter checking work. The method comprises the following steps: determining the quality of a reference signal received by user equipment (UE) at at least one specified position according to a preset network parameter of a to-be-checked area in a network optimization platform; receiving a measurement report reported by the UE at the at least one specified position; wherein the measurement report carries the actual signal quality received by the UE at the at least one specified position; and determining the base station corresponding to the specified position of which the comparison result of the reference signal quality and the actual signal quality is greater than a preset quality thresholdas the base station to be checked on site.

Provided is a circuit structure using a printed-circuit board with a novel structure that can provide a plurality of types of circuit specifications by switching connection of circuit patterns, allows circuit specifications to be easily identified, and achieves excellent connection workability and connection stability for circuit patterns. The circuit structure includes: a printed-circuit board 18 on which a plurality of circuit patterns are provided; and a circuit switching component, wherein the circuit switching component includes bus bar support bases on which any connection bus bars selected can be mounted and held, the plurality of types of connection bus bars are classified according to the number and the position of lead portions to be electrically connected to connection points, and a plurality of types of circuit specifications are provided by changing a mounting mode of the connection bus bars to the bus bar support bases.