A cable path tester
A tester and path technology, applied in the field of cable path tester, can solve problems such as poor contact between the launch line and the transmitter, affecting test accuracy, etc., to achieve the effect of strengthening stability and not being easily damaged
Active Publication Date: 2017-12-05
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0003] The purpose of the present invention is to provide a cable path tester, which can effectively solve the problem that the existing cable path tester's transmitting line and transmitter are easily in poor contact and affect the test accuracy.
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[0013] refer to Figure 1 to Figure 3 It is an embodiment of a cable path tester of the present invention, a cable path tester includes a transmitter assembly and a receiver assembly, and the transmitter assembly includes a transmitter housing 1, a launch coupling clamp, a launch direct connection clamp and a grounding The transmitter housing is provided with a jack for connecting the direct-connecting clamp or the coupling clamp to the components in the transmitter housing, and one end of the direct-connecting clamp and one end of the coupling clamp are equipped with iron-containing A solid plug 3, the center of the jack 2 is provided with an electromagnetic column 4, and the shell of the plug 3 extending into the jack 2 is also provided with an annular slot 5 with a rectangular cross section, and the jack 2 is provided with There is a moving column 6 that is attracted by the electromagnetic column 4 and snapped into the annular slot 5. There are two moving columns 6, and the...
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The invention discloses a cable path tester. A jack is arranged on the shell of the transmitter, and the plug is a plug containing iron. An electromagnetic column is arranged in the center of the jack. There is an annular card slot with a polygonal or arc-shaped cross section, and a moving column that is attracted by the electromagnetic column and snapped into the annular card slot is provided in the jack; the receiver assembly includes a rectangular main unit and a rectangular main unit arranged under the main unit. The receiving part, the host part is provided with a display screen, and the top of the host part is also provided with a handle groove for easy holding, and the handle is arranged in the handle groove. The advantages of the present invention are: using the iron-containing plug and the electromagnet, the plug can be firmly adsorbed, and at the same time, using the suction force of the electromagnet to make the moving column snap into the annular slot of the plug, further enhancing the stability of the plug connection , so that the plug cannot come out of the socket, and at the same time, a handle groove is set on the top of the main unit, so that the handle will no longer protrude, and it is not easy to be damaged during transportation.
Description
technical field [0001] The invention relates to a cable path tester. Background technique [0002] At present, there are two methods for cable detection. The first one is to use the method of transmitting carrier wave or pulse current signal at the user end; the traditional pipeline instrument adopts the amplitude recognition technology, which is used in pipeline branch points and other special occasions (due to the position or direction of the pipeline) It may cause the amplitude intensity of the non-target pipeline to be higher than that of the target pipeline, thus causing misjudgment. The second method is to use a path meter to apply a frequency signal to the loop formed by the target cable and the earth, and use the receiver to find the position directly above the cable at the position where the signal of this frequency received on the ground is the strongest. When adopting the second method, the launch line or the launch coupling clamp are generally used, both of whic...
Claims
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IPC IPC(8): G01V3/02
Inventor 朱健叶巨伟汪慧沈丹涛陈新和项建强吴伟慧
Owner STATE GRID CORP OF CHINA