Digital composite functional high-voltage electroscope
A composite function, electroscope technology, applied in the direction of using digital measurement technology for measurement, etc., can solve the problem that non-contact high-voltage electroscope cannot eliminate the interference of electroscope, and cannot distinguish between the induced voltage and the working voltage of the maintenance line, and achieves electroscope. High work efficiency, safe and reliable work efficiency, avoid the effect of replacing electroscope
Inactive Publication Date: 2015-12-09
恒同(中国)有限公司
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Problems solved by technology
[0006] The second purpose of the present invention is to solve the problem of inability to distinguish whether the maintenance line is the induced voltage or the working voltage existing in the electric inspection operation of the existing high-voltage electroscope, and to provide a digital composite function high-voltage electroscope
[0007] The third purpose of the present invention is to solve the problem that the existing non-contact high-voltage electroscope cannot eliminate the interference of adjacent lines to be tested, and provide a digital composite function high-voltage electroscope
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[0021] specific implementation
[0022] A digital composite functional high voltage electroscope (see figure 1 ), it has a telescopic rod, and the telescopic rod is composed of an insulating rod 3 and an insulating rod 4 socketed. The upper end of the insulating rod 3 is equipped with a detection hook 1. It is directly connected with the detection hook 1, and the other end extends to the signal input port A on the pipe wall of the hand-held rod; the insulating rod 4 is screwed on the detector, and a laser emitter 16 is installed at the screw joint 15 of the insulating rod 4, and the laser emits Focusing mirror 17 is installed beside the device 16, and the detector is composed of housing 7, built-in circuit, knob switch 8, changeover switch 10, electromagnetic field sensor, sound alarm 16, high-brightness LED indicator light 9, digital display screen 6, current limiting resistor 2 adjustable knob 14, laser emitter 16, focusing mirror 17, connector 13, laser switch 18, etc. (se...
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The invention provides a digital composite functional high-voltage electroscope used for power transmission line electrical inspection work, and belongs to the field of electrical tools and appliances. The digital composite functional high-voltage electroscope comprises an insulating rod, a detection instrument and a handheld rod. The insulating rod is composed of an insulating rod 3 and an insulating rod 4. The detection instrument is composed of a shell 7, a built-in circuit, a knob switch 8, a changeover switch 10, a magnetic field sensor, a sound alerter 16, a high-brightness LED indication lamp 9, a digital display screen 6, an adjustable knob 14 of a current-limiting resistor 2, a laser transmitter 16, a focus lens 17, a connector 13 and a laser switch 18. The handheld rod is composed of a handheld position-limiting ring 11, a storage battery 5 and a conductive film 12. Contact electrical inspection and remote noncontact electrical inspection can be performed simultaneously, induced voltage and working voltage of a maintenance line can be distinguished, and the voltage value of the line can be estimated and displayed. The digital composite functional high-voltage electroscope can be used for different voltage levels of line electrical inspection work via a range conversion knob. The electroscope has advantages of being reliable in electrical inspection, safe in operation, digitalized and multipurpose.
Description
technical field [0001] The invention belongs to the technical field of electric engineering appliances, and in particular relates to a digital composite function high-voltage electroscope. Background technique [0002] A variety of high-voltage equipment is widely used in the power system, especially whether the high-voltage equipment is charged or not directly affects the personal safety of the operator. Electrical appliances play an extremely important role in the safe production of the power industry. [0003] The problems faced by line maintenance are as follows: First, when one power supply circuit is powered off and the adjacent circuit is powered normally, there is an induced voltage as high as 15% of the working voltage on the power-off circuit. The second is that when the dual-circuit power supply is disconnected, the power supply will be sent back to the broken line, and the faulty line will have a working voltage. The current high-voltage electroscope can detect...
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IPC IPC(8): G01R19/25
Inventor 吴振升田付强步顺德刘松
Owner 恒同(中国)有限公司
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