Electroscope test bench
A technology for testing benches and electroscopes, used in instruments, measuring devices, measuring electrical variables, etc., can solve the problems of inability to simulate the live condition of lines and complex spatial electromagnetic field models.
Inactive Publication Date: 2014-06-11
何庆吉
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Problems solved by technology
Using this calibration device can achieve a uniform electric field with a sufficiently large known field strength, but the actual overhead line is not the flat plate model, but the model of infinitely long wires, plus the criss-crossing of the lines and the multi-circuit lines on the same tower The actual space electromagnetic field model will be more complex, and the idealized flat model system cannot simulate the charging situation of the actual line
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[0007] The electroscope detection platform of the present invention comprises base 10, as figure 2 As shown, three groups of brackets are installed on the base 10 from front to back, each group of brackets is composed of two telescopic rods 1, and the two telescopic rods 1 of the same group are located at the left and right ends of the base 10 respectively. Wires 3 are arranged between the two telescopic rods 1, and each telescopic rod 1 is connected to the base 10 through the rotating mechanism and the first base 8 in turn. This structure can be simulated as Figure 4 The various combined lines shown are vertical as shown in Figure A, horizontal as shown in Figure B, and triangular combined lines as shown in Figure C. The second base 9 is installed on the base 10, the adjustment rod 5 is installed on the second base 9, the cardan shaft 6 is installed on the adjustment rod 5, the test platform 4 is installed on the cardan shaft 6, and the non-contact electroscope is installed...
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The invention discloses an electroscope test bench, which comprises a bottom platform. Three groups of supports are sequentially arranged from front to back on the bottom platform; each support group is composed of two telescopic rods; the two telescopic rods of the same group are respectively located at the left end and the right end of the bottom platform; wire is arranged between the two telescopic rods of each group; each telescopic rod is sequentially connected with a first base and the bottom platform via a rotating mechanism; a second base is arranged on the bottom platform; an adjusting rod is arranged on the second base; a cardan shaft is arranged on the adjusting rod; and a test platform is arranged on the cardan shaft. The electroscope test bench has the beneficial effects that the distance between the wire and the electroscope can be adjusted through the telescopic rods and the adjusting rod, the angle between the wire and the electroscope can be adjusted through the rotating mechanism and the cardan shaft, a plurality of line charged situations can be simulated so as to carry out comprehensive and accurate test on the electroscope, and possible serious consequences caused by inaccurate test results when a ideal test system is adopted for testing the electroscope can be avoided.
Description
technical field [0001] The invention relates to an electroscope detection system, in particular to an electroscope detection table. Background technique [0002] According to national regulations, high-voltage electroscopes must be tested on live lines or equipment with corresponding conditions before use. After confirming that the high-voltage electroscopes are working well, the electric inspection of high-voltage lines should be carried out instead of contact transmission lines. The working principle of the high-voltage electroscope is based on the measurement of the strength of the power frequency electric field for threshold trigger judgment. The traditional electric field and calibration inspection are combined with the calibration electric field and calibration inspection in the regulation GB / T 12720. Two parallel The plate can generate uniform field regions of known size and orientation for calibration. Using this calibration device can achieve a uniform electric fi...
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IPC IPC(8): G01R35/00
Inventor 何庆吉
Owner 何庆吉