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

Metrological verification device for automatic test system

InactiveCN102620764AReduce duplicate configurationWeaken influenceInstrumentsGeneral purposeComputer architecture
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.
Owner:NAVAL AERONAUTICAL & ASTRONAUTICAL UNIV PLA

Intelligent sensor system and control method for batch verification of meteorologists

The invention discloses an intelligent sensor system and a control method for batch verification of meteorologists. The system comprising: an upper computer provided with a verification control moduleand a data acquisition module, which is used for acquiring real-time meteorological data collected by the detected instrument and standard meteorological data collected by the standard device, generating a standard verification environment according to the control instruction, and calling the real-time meteorological data and the standard meteorological data to be sent to the verification equipment for automatic control; a main server used for processing the received verification request to generate a control instruction, and feeding back the verification result; a server database used for storing the real-time meteorological data, the standard meteorological data and the verification result; and a client which is in communication connection with the main server. According to the intelligent sensor system and the control method for batch verification of meteorologists, the efficiency of the verification work can be improved, the human error is reduced, the labor intensity of the verification personnel is reduced, and the precision and the accuracy of the verification are improved.
Owner:GUANGDONG METEOROLOGICAL OBSERVATION DATA CENT

Oil machine calibrating device using mass method

The invention relates to an oil machine calibrating device using the mass method and mainly aims to solve the problem that the existing calibrating device using the volume method is large in measuring error due to the impact of environment temperature and manual operation. The oil machine calibrating device is characterized in that an electronic scale (4) is fixed on a sledge body (3); a weighing container (1) is fixed at the upper part of the electronic scale (4); a temperature transmitter (2) is arranged on the weighing container (1); both the temperature transmitter (2) and the electronic scale (4) are connected with a computer. The oil machine calibrating device using the mass method is free from environmental conditions, adopts the computer to automatically control the measurement and read numbers, and can be greatly improved in systematic uncertainty.
Owner:北京聚雅科技有限公司

Vehicle-mounted terminal SCR inlet and outlet temperature data consistency test method

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.
Owner:CATARC AUTOMOTIVE TEST CENT TIANJIN CO LTD +1

Fault electric energy meter rapid judgment method by applying multi-epitope electric energy meter detection device

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.
Owner:STATE GRID HEBEI ELECTRIC POWER COMPANY CANGZHOU BRANCH +2

Mass-type rain gauge-based automatic calibration device and mass-type rain gauge-based automatic calibration method

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.
Owner:ZHONGHUAN TIG TIANJIN METEOROLOGICAL INSTR

High-precision timestamp verification method based on UVM

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.
Owner:芯河半导体科技(无锡)有限公司

Information processing apparatus, program, and simulation method

An information processing apparatus includes a conversion unit configured to convert circuit configuration data representing a configuration of an electric circuit including an input terminal group and an output terminal group into circuit calculation data including an equation group that generates an output signal group corresponding to an argument group given to a variable group and an input signal group given to the input terminal group, wherein the argument group includes a constant representing a characteristic of a circuit element that forms the electric circuit.
Owner:ZUKEN

Chair dynamic flexibility test device and test method

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.
Owner:CHINA AUTOMOTIVE TECH & RES CENT +1

Sound level meter calibrating device rotary table

PendingCN113959559ASolve the need to enter the anechoic room multiple times to complete the reference microphoneSolve the problem of replacing the sound level meterSubsonic/sonic/ultrasonic wave measurementEngineeringMechanical engineering
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.
Owner:陕西省计量科学研究院

Close-range adjacent outburst coal seam fusion index area verifying method

The invention relates to a close-range adjacent outburst coal seam fusion index area verifying method, belongs to the technical field of coal mine safety, and mainly aims at achieving the aims that when a close-range outburst coal seam group is mined and area outburst prevention measure effect inspection is performed on an adjacent outburst coal seam with the normal distance of less than 5 m from the coal seam and the average thickness of more than 0.3 m, measuring points are arranged in key areas with coal seam thickening and geologic structure occurrence, and area verification is carried out by measuring area and working face fusion indexes. The close-range adjacent outburst coal seam fusion index area verifying method comprises the implementation steps of advanced detection, fusion index testing, critical value determination and risk comprehensive judgment. The close-range adjacent outburst coal seam fusion index area verifying method improves the verification work efficiency of the adjacent outburst coal seam area, improves the operation progress of an outburst coal seam mining working face, realizes safe and efficient production of the outburst coal seam mining working face, provides a basis for adjacent outburst coal seam area verification under similar occurrence conditions, and provides thoughts and scientific practical experience for formulating related industry specification terms for adjacent outburst coal seam area verification.
Owner:CHINA COAL TECH ENG GRP CHONGQING RES INST +1

Simulation ending mechanism based on UVM verification platform

The invention discloses a simulation ending mechanism based on a UVM verification platform. Simulation ending control logic is written in a callback method in a score board assembly of a UVM; calling a callback method to obtain a target phase; and executing the simulation ending control logic on the target phase, wherein the simulation ending control logic is used for performing simulation ending control on the target phase. According to the method, the defect of inaccurate simulation ending control in the prior art is overcome, the method has the characteristics of accurate simulation ending control and high verification work efficiency, the problem debugging difficulty is reduced, and the simulation operation of the UVM is conveniently controlled.
Owner:杭州云合智网技术有限公司

Clock verification environment generation method and device, electronic equipment and storage medium

The embodiment of the invention discloses a clock verification environment generation method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining clock information corresponding to at least one subsystem of a system on chip; and generating a target clock verification environment corresponding to the subsystem based on the clock information corresponding to the subsystem and a pre-established subsystem clock verification environment template. According to the embodiment of the invention, the target clock verification environment corresponding to the subsystem can be quickly and automatically generated based on the clock information corresponding to any subsystem of the system on chip, so that the verification environment of each subsystem does not need to be repeatedly developed, the verification environment development workload is effectively reduced, and the verification working efficiency is improved.
Owner:HORIZON ROBOTICS SHANGHAI ARTIFICIAL INTELLIGENCE TECH CO LTD

Liquid-feeding-discharging combination valve for standard metal measuring device

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.
Owner:INST OF METROLOGY OF HEBEI PROVINCE

Inlet and discharge combination valve for standard metal gauge

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.
Owner:INST OF METROLOGY OF HEBEI PROVINCE

A Method for Analyzing Correlation of Pipeline Instructions

The invention discloses an analysis method for assembly line instruction correlation, and provides a verification method for analyzing minimum instruction sequences from the perspective of user application. Through LEON instruction correlation analysis, correlation verification requirements can be met under the condition that at least three-level instruction correlation is verified. In consideration of protection to function program codes written by users, input files used in the method are 32bit machine codes generated after compiling of the users, and instruction sequences used by the users can be acquired through analysis; correlation of the instruction sequences is analyzed to acquire used and repeatedly used instruction sequence analysis results, instruction correlation verification is guided, and instruction verification is ensured to effectively meet application requirements of the users.
Owner:NO 771 INST OF NO 9 RES INST CHINA AEROSPACE SCI & TECH

Current transformer auxiliary wiring 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.
Owner:国网新疆电力有限公司营销服务中心 +1

Verification method and device, electronic equipment and storage medium

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.
Owner:HORIZON ROBOTICS SHANGHAI ARTIFICIAL INTELLIGENCE TECH CO LTD

A quick connection device for a radio frequency card reader and its use method

The invention discloses a radio frequency card reader quick connection device used for supporting the operation of an electric energy meter calibrating apparatus. The radio frequency card reader quick connection device comprises a guide rod for the plug-in connection of an electric energy meter calibrating apparatus holder, and a guide rod U-shaped slot for the fixation of a radio frequency card reader. The guide rod U-shaped slot is fixedly connected with the guide rod. The invention also discloses the application method of the above device. The method comprises the steps of punching at least one profiled guide slotted hole besides the location of the electric energy meter calibrating apparatus, adjusting the guide rod to be at a desired installation depth, driving a position-limiting piece to slide downwards into a guide rod clamping slot, tightening screws, stabilizing the guide rod, placing the radio frequency card reader in the guide rod U-shaped slot, locking the radio frequency card reader and fixing the radio frequency card reader, wherein the guide rod can radially slide inside the guide slotted hole and cannot rotate. According to the technical scheme of the invention, only the electric energy meter calibrating apparatus holder needs to be modified, so that the modification operation is smaller in degree and easy to implement. The cost is lower. Meanwhile, the radio frequency card reader quick connection device is simple in structure, so that the installation and the operation of radio frequency card readers are facilitated. Therefore, the calibrating efficiency of the electric energy meter calibrating apparatus is greatly increased.
Owner:ELECTRIC POWER RESEARCH INSTITUTE, CHINA SOUTHERN POWER GRID CO LTD

Wiring device for voltage transformer verification

The invention discloses a wiring device for detecting a voltage transformer. The wiring device is characterized by comprising a low-voltage distribution box, monolithic switches, a monitoring voltmeter, wiring terminals and wires, wherein the monolithic switches are arranged in the low-voltage distribution box; three input wiring terminals of the wiring device are connected with test terminals of the detected transformer, and output wiring terminals of the wiring device are connected with sampling terminals of a transformer calibrator; two of the output wiring terminals are connected to the monitoring voltmeter, and are used for protecting the transformer calibrator from being damaged by impulse voltage when loops are switched. During the use, the monolithic switches are operated to be switched on and off to switch three different measurement loops. According to the wiring device, a plurality of transformers can be detected only by one-time boosting process, so that the detection working efficiency is greatly improved, the personnel allocation is reduced, the frequency of assembly and disassembly of high-voltage test wires is reduced, the electrification time in a high-voltage test is shortened, the safety risks in a testing process are reduced, and the safety benefits of an enterprise are improved.
Owner:STATE GRID CORP OF CHINA +2

Base station longitude and latitude positioning method and device, computing equipment and computer storage medium

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.
Owner:CHINA MOBILE GROUP ZHEJIANG +1

On-line detection method of shut-off valve leakage rate

The invention discloses an on-line leak rate detection device for a stop valve, and solves the problems of long detection time, uncertainty of leak points, low working efficiency and the like in the prior art. The on-line leak rate detection device comprises a valve body connected with a pressure measurement inlet pipeline and a pressure measurement outlet pipeline, and a valve core encapsulated in the valve body through inlet sealing rings and outlet sealing rings. The technical key point is that the valve body is provided with a pressure measurement hole with an interface valve; and the outlet end of the interface valve is respectively connected with a pressure measurement part and a pressure release valve through a tee joint to form a communicating pipeline. The on-line leak rate detection device is compact in structure and rational in design; according to the simple switching-on operation of the interface valve, the requirement for detecting the leak rate of one stop valve or multiple stop valves connected in parallel can be met; the leak point positioning speed is high, the on-line detection sensitivity is high, and the leak rate of each stop valve can be accurately detected in real time; and the detection precision of a flow metering device is guaranteed. The sealing surfaces of the inlet sealing rings and the outlet sealing rings of a single valve are used instead of a dual-valve group for leak detection, so that the blindness for determining the leak point during maintenance is avoided, the detection cost is reduced, and the checking work efficiency is obviously improved.
Owner:DANDONG LANSEAS ELECTRICAL APPLIANCE

A method for testing the consistency of temperature data at the entrance and exit of a vehicle-mounted terminal scr

The invention provides a method for testing the consistency of temperature data at the entrance and exit of a vehicle-mounted terminal SCR, comprising the following steps: 1) Static test, the vehicle is in the idling state in situ, the temperature sensors at the entrance and exit of the SCR are removed from the SCR housing, and placed In the temperature controller; verify the consistency of the set value of the temperature controller and the test data from the remote platform; 2) Dynamic test, keep the temperature sensors at the inlet and outlet of the SCR installed in the SCR normally, and verify that the vehicle is in a driving state The consistency of the data read by the CAN network node with the test data from the remote platform. The present invention adopts two test methods, static and dynamic. Compared with the traditional method of directly drilling and installing sensors on the catalyst carrier, the test conclusion can be obtained more quickly, and the heavy workload of hardware drilling and the possible risk of carrier damage can be avoided. At the same time, it is relatively easy to find problem points in the data chain through the segmentation confirmation of static and dynamic data transmission paths.
Owner:CATARC AUTOMOTIVE TEST CENT TIANJIN CO LTD +1

Full digital simulation verification system and verification method adopted by same

The invention relates to a full digital simulation verification system and is used for realizing configuration verification of a substation remote monitoring system. The full digital simulation verification system comprises a digital simulation protection monitoring and control device for simulating each protection device in the substation remote monitoring system, a digital simulation remote control device for simulating a remote engine in the substation remote monitoring system, and a digital simulation monitoring background for simulating a background machine in the substation remote monitoring system. The digital simulation protection monitoring and control device, the digital simulation remote control device and the digital simulation monitoring background are connected to constitutea simulation network system for simulating the substation remote monitoring system. The invention also provides a verification method adopted by the full digital simulation verification system. The full digital simulation verification system and the verification method adopted by the same solve the configuration verification problem of the substation remote monitoring system, can be applied simplyand flexibly, improve the verification work efficiency, have better versatility and adaptability, and can also reduce the security risk existing in the system verification.
Owner:JIANGSU ELECTRIC POWER CO

Base station engineering parameter checking method and device

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.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

A slow-down device used in weight measurement verification

The invention provides a slow-down device for weight measurement and verification, which includes a damping support, a fixed support, a lower connecting plate, an upper connecting plate, a mass comparator, a slow-down baffle, a compression nut, and a universal wheel; The fixed support fixes the upper and lower connecting plates in the device, the universal wheel is installed at one end of the fixed support, the lower connecting plate is sleeved at one end of the fixed supporting, and the compression nut is used to fasten the lower connecting plate. One end of the damping support is installed on the lower connecting plate, and the other end protrudes from the upper cover of the mass comparator; the mass comparator is placed flat on the upper connecting plate, and its four legs are placed in the bearing area of ​​the fixed support; the buffer baffle is installed on the damping The threaded end of the support guide is used to make contact with the weight to be tested. The device of the invention has reasonable structure, is movable, and is easy to operate, and can have a slow-down and vibration-reducing effect on the placement action of weights of 1 ton or more in the measurement verification process, so as to ensure that the mass comparator is not damaged by impact when the weights are placed.
Owner:JIANGSU UNIV +1

Circuit structure using printed-circuit board

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.
Owner:SUMITOMO WIRING SYST LTD
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