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2M cable tester

A tester and cable technology, which is applied in the field of 2M cable tester, can solve the problems that the accuracy of cable testing is difficult to guarantee, and the 2M connector cannot be detected.

Active Publication Date: 2014-08-06
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there is no instrument on the market that specifically detects the manufacturing process of 2M cables. In the past, a multimeter was simply used to test the continuity of 2M cables. The accuracy of cable testing is difficult to guarantee, and 2M connectors cannot be detected. Defects such as virtual welding

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Embodiment Construction

[0013] As attached figure 1 , 2 As shown, the present invention includes a housing 1 and a pair of Siemens 2M line interfaces 2-1, 2-2 and a pair of BNC2M line interfaces 3-1, 3-2 arranged on the housing 1. The cable core on-off indicator light 4, the shielding layer on-off indicator light 5 and the short-circuit indicator light 6 are provided. The housing 1 is provided with a 2M cable detection circuit. The 2M cable detection circuit is composed of a core detection unit and a shield It consists of a layer detection unit and a cable short-circuit detection unit.

[0014] The core detection unit is composed of a battery E1, a current-limiting resistor R2, and a light-emitting diode D2. The current-limiting resistor R2 is connected in series with the light-emitting diode D2 and then connected to the core end of the positive electrode of the battery E1 and the Siemens 2M line interface and the BNC2M line interface , The wire core terminal of the Siemens 2M line interface and the BNC...

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Abstract

The invention relates to a 2M cable tester, comprising a shell, a pair of Siemens 2M line interfaces and a pair of BNC2M line interfaces, wherein the pair of Siemens 2M line interfaces and the pair of BNC2M line interfaces are arranged on the shell, the shell is provided with a line core on-off indication lamp, a shielding layer on-off indication lamp and a short circuit indication lamp, and a 2M cable detection circuit is arranged in the shell and consists of a line core detection unit, a shielding layer detection unit and a cable short circuit detection unit. The 2M cable tester can exactly and quickly carry out an on-off test and a welding-point cold-solder-joint test on the manufactured 2M cables, can independently judge the on and off status of the cable and the shielding layer, and can also detect whether a short circuit situation exists between the line core and the shielding layer so as to judge whether the 2M cable is qualified or not and whether the on and off status is normal in the 2M cable based on the display of an LED lamp and the like.

Description

Technical field [0001] The invention relates to a 2M cable tester. Background technique [0002] At present, there is no instrument on the market specifically for testing the 2M cable manufacturing process. In the past work, the continuity test of the 2M cable was simply used with a multimeter. The accuracy of the cable test is difficult to guarantee, and the 2M connector cannot be detected. Bad phenomena such as false welding. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a 2M cable tester which is convenient to use and has a simple structure and accurate detection. [0004] The present invention adopts the following technical solutions: [0005] The present invention includes a housing and a pair of Siemens 2M line interfaces and a pair of BNC2M line interfaces arranged on the housing. The housing is provided with a core on-off indicator, a shield on-off indicator, and a short-circuit indicator. A 2M cable detection ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/02
Inventor 赵勇胜李志伟赵晓阳段志勇李牧张炜祎
Owner STATE GRID CORP OF CHINA
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