Calibration device of wire rod tester
A technology of wire tester and calibration device, applied in the direction of measurement device, instrument, measurement of electrical variables, etc., can solve the problem of no special calibration device, no measurement calibration specification, etc., and achieve the effect of high calibration efficiency and wide adaptability
Active Publication Date: 2016-04-13
WUXI INSPECTION TESTING & CERTIFICATION INST
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Problems solved by technology
There is no corresponding measurement calibration specification in the catalog of the most authoritative "National Metrology Technical Specifications of the People's Republic of China", so there is no corresponding special calibration device
Method used
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[0014] The present invention will be further described below with reference to the specific drawings and embodiments.
[0015] like figure 1 Shown: In order to realize the effective calibration of the wire rod tester and improve the calibration efficiency of the wire rod tester, the present invention includes a multi-port conversion circuit for connecting the connection of the wire rod tester to be calibrated and a performance calibration for the wire rod tester. A capability standard parameter test circuit, the standard parameter test circuit is connected with a multi-port conversion circuit through a coaxial switch circuit;
[0016] The multi-port conversion circuit includes multiple strands of connection cables arranged in parallel, one end of all the connection cables in the multi-port conversion circuit forms the connection end A, and the other end of all the connection cables in the multi-port conversion circuit forms the connection end B ;
[0017] The coaxial switch ...
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The invention relates to a calibration device of a wire rod tester. According to the technical schemes provided by the invention, the calibration device of the wire rod tester includes a multi-port conversion circuit used for connecting a wire rod tester to be calibrated and a standard parameter test circuit used for realizing performance calibration of the wire rod tester; and the standard parameter test circuit is connected with the multi-port conversion circuit through coaxial switch circuits. According to the calibration device of the wire rod tester, the connecting end A and the connecting end B of the multi-port conversion circuit can be in matching connection with the wire rod tester; corresponding connecting flat cables in the multi-port conversion circuit can be selected through the coaxial switch circuit; performance calibration of in-wire on resistance, in-wire breakage resistance, inter-wire insulation resistance, inter-wire short-circuited resistance, withstand voltage test, leakage current test and a point searching function can be realized through using the selection ability of an in-wire selective switch circuit and an inter-wire selective switch circuit. The calibration device has the advantages of high calibration efficiency, wide application range, safety and reliability.
Description
technical field [0001] The invention relates to a calibration device, in particular to a calibration device of a wire rod tester, and belongs to the technical field of wire rod tester calibration. Background technique [0002] The wire (cable) tester is a special instrument designed for the testing of various electronic and telecommunication wires and connectors. It is widely used in wiring testing in the fields of computers and communications. In addition to the general short-circuit and open-circuit tests of the wire, the wire tester also conducts resistance tests on the connecting wires themselves and the connecting wires and connectors, insulation resistance tests on any two connecting wires, withstand voltage tests, and leakage current tests. Through the test of the wire tester, the unqualified wire can be detected, and it can accurately determine which terminal has a short circuit or an open circuit. There is no corresponding measurement and calibration specification ...
Claims
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IPC IPC(8): G01R35/00
CPCG01R35/005
Inventor 章晓明
Owner WUXI INSPECTION TESTING & CERTIFICATION INST