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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 of undetectable 2M connector virtual welding and difficult to guarantee the accuracy of cable testing, etc.

Active Publication Date: 2012-10-03
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
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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

Method used

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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. A wire core on-off indicator light 4, a shielding layer on-off indicator light 5 and a short-circuit indicator light 6 are provided, and a 2M cable detection circuit is arranged inside the housing 1, and the 2M cable detection circuit consists of a core detection unit, a shielding Layer detection unit and cable short circuit detection unit.

[0014] The wire 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 wire core end of the positive pole of the battery E1 and the Siemens 2M line interface and the BNC2M line interface. , the wire cores of the Siemens 2M line interface and the BNC2M line interfac...

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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 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. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a 2M cable tester that is easy to use, simple in structure and accurate in detection. [0004] The present invention adopts following technical scheme: [0005] The invention includes a shell and a pair of Siemens 2M line interfaces and a pair of BNC2M line interfaces arranged on the shell. The shell is provided with a wire core on-off indicator light, a shielding layer on-off indicator light and a short circuit indicator light. A 2M cable detectio...

Claims

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Application Information

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Patent Type & Authority Applications(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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