CN202735450U - 2M on-line cable tester - Google Patents

2M on-line cable tester Download PDF

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Publication number
CN202735450U
CN202735450U CN 201220221982 CN201220221982U CN202735450U CN 202735450 U CN202735450 U CN 202735450U CN 201220221982 CN201220221982 CN 201220221982 CN 201220221982 U CN201220221982 U CN 201220221982U CN 202735450 U CN202735450 U CN 202735450U
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China
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line interface
battery
cable
bnc2m
siemens
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Expired - Lifetime
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CN 201220221982
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Chinese (zh)
Inventor
赵勇胜
李牧
段志勇
赵晓阳
张炜祎
魏肖明
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
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Priority to CN 201220221982 priority Critical patent/CN202735450U/en
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Abstract

本实用新型涉及一种2M线缆测试仪。本实用新型包括壳体以及设置于壳体上的一对西门子2M线接口和一对BNC2M线接口，所述壳体上设置有线芯通断指示灯、屏蔽层通断指示灯和短路指示灯，所述壳体内设置有2M线缆检测电路，所述2M线缆检测电路由线芯检测单元、屏蔽层检测单元以及线缆短路检测单元组成。本实用新型能够准确快速地对制作的2M线缆进行通断测试、焊接点虚焊测试，既能单独判断线芯和屏蔽层的通断，同时还能检测线芯和屏蔽层之间是否存在短路现象，以LED灯的显示来判断是否合格、通断是否存在不良等问题。

The utility model relates to a 2M cable tester. The utility model 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 detection circuit is arranged in the housing, and the 2M cable detection circuit is composed of a core detection unit, a shielding layer detection unit and a cable short circuit detection unit. The utility model can accurately and quickly carry out on-off test and welding point virtual welding test on the produced 2M cable, can not only judge the on-off of the wire core and the shielding layer independently, but also detect whether there is a gap between the wire core and the shielding layer. Short circuit phenomenon, use the display of LED lights to judge whether it is qualified or not, whether there is a bad connection or not.

Description

2M线缆测试仪2M cable tester

技术领域 technical field

本实用新型涉及一种2M线缆测试仪。 The utility model relates to a 2M cable tester.

背景技术 Background technique

    目前市面上没有专门针对2M线缆制作工艺进行检测的仪器，以往的工作当中都是简单地使用万用表进行2M线缆的通断测试，线缆测试的准确性难以保证，无法检测出2M连接器的虚焊等不良现象。 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.

实用新型内容 Utility model content

本实用新型所要解决的技术问题是提供一种使用方便、结构简单检测准确的2M线缆测试仪。 The technical problem to be solved by the utility model is to provide a 2M cable tester which is easy to use, simple in structure and accurate in detection.

本实用新型采用如下技术方案： The utility model adopts the following technical solutions:

本实用新型包括壳体以及设置于壳体上的一对西门子2M线接口和一对BNC2M线接口，所述壳体上设置有线芯通断指示灯、屏蔽层通断指示灯和短路指示灯，所述壳体内设置有2M线缆检测电路，所述2M线缆检测电路由线芯检测单元、屏蔽层检测单元以及线缆短路检测单元组成。 The utility model 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 detection circuit is arranged in the housing, and the 2M cable detection circuit is composed of a core detection unit, a shielding layer detection unit and a cable short circuit detection unit.

所述线芯检测单元由电池E1、限流电阻R2、发光二极管D2组成，所述限流电阻R2与发光二极管D2串联后接在电池E1正极与西门子2M线接口和BNC2M线接口的线芯端，所述西门子2M线接口和BNC2M线接口的线芯端接电池E1负极； 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 interface are connected to the negative pole of the battery E1;

所述屏蔽层检测单元由电池E2、限流电阻R3、发光二极管D3组成，所述限流电阻R3与发光二极管D3串联后接在电池E2正极与西门子2M线接口和BNC2M线接口的屏蔽层端，所述西门子2M线接口和BNC2M线接口的屏蔽层端接电池E2负极； The shielding layer detection unit is composed of a battery E2, a current-limiting resistor R3, and a light-emitting diode D3. The current-limiting resistor R3 and the light-emitting diode D3 are connected in series to the shielding layer end of the battery E2 positive pole and the Siemens 2M line interface and the BNC2M line interface. , the shielding layer of the Siemens 2M line interface and the BNC2M line interface is connected to the battery E2 negative pole;

所述线缆短路检测单元由电池E1、电池E2、发光二极管D1、限流电阻R1组成，所述电池E1的正极经限流电阻R1、发光二极管D1、电池E2的负极后接在西门子2M线接口和BNC2M线接口的屏蔽层端，所述电池E1的负极接在西门子2M线接口和BNC2M线接口的线芯端。 The cable short-circuit detection unit is composed of a battery E1, a battery E2, a light-emitting diode D1, and a current-limiting resistor R1. interface and the shielding layer end of the BNC2M line interface, and the negative pole of the battery E1 is connected to the core end of the Siemens 2M line interface and the BNC2M line interface.

本实用新型的积极效果如下： The positive effect of the utility model is as follows:

本实用新型能够准确快速地对制作的2M线缆进行通断测试、焊接点虚焊测试，既能单独判断线芯和屏蔽层的通断，同时还能检测线芯和屏蔽层之间是否存在短路现象，以LED灯的显示来判断是否合格、通断是否存在不良等问题。 The utility model can accurately and quickly carry out on-off test and welding point virtual welding test on the produced 2M cable, can not only judge the on-off of the wire core and the shielding layer separately, but also detect whether there is a gap between the wire core and the shielding layer. Short circuit phenomenon, use the display of LED lights to judge whether it is qualified or not, whether there is a bad connection or not.

附图说明 Description of drawings

附图1为本实用新型结构示意图。 Accompanying drawing 1 is the structural representation of the utility model.

附图2为本实用新型的电路原理图。 Accompanying drawing 2 is the circuit schematic diagram of the present utility model.

具体实施方式 Detailed ways

如附图1、2所示，本实用新型包括壳体1以及设置于壳体1上的一对西门子2M线接口2-1、2-2和一对BNC2M线接口3-1、3-2，所述壳体1上设置有线芯通断指示灯4、屏蔽层通断指示灯5和短路指示灯6，所述壳体1内设置有2M线缆检测电路，所述2M线缆检测电路由线芯检测单元、屏蔽层检测单元以及线缆短路检测单元组成。 As shown in accompanying drawings 1 and 2, the utility model 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 housing 1 is provided with a core on-off indicator light 4, a shielding layer on-off indicator light 5 and a short-circuit indicator light 6, and a 2M cable detection circuit is arranged inside the housing 1, and the 2M cable detection circuit It is composed of core detection unit, shielding layer detection unit and cable short circuit detection unit.

所述线芯检测单元由电池E1、限流电阻R2、发光二极管D2组成，所述限流电阻R2与发光二极管D2串联后接在电池E1正极与西门子2M线接口和BNC2M线接口的线芯端，所述西门子2M线接口和BNC2M线接口的线芯端接电池E1负极； 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 interface are connected to the negative pole of the battery E1;

所述屏蔽层检测单元由电池E2、限流电阻R3、发光二极管D3组成，所述限流电阻R3与发光二极管D3串联后接在电池E2正极与西门子2M线接口和BNC2M线接口的屏蔽层端，所述西门子2M线接口和BNC2M线接口的屏蔽层端接电池E2负极； The shielding layer detection unit is composed of a battery E2, a current-limiting resistor R3, and a light-emitting diode D3. The current-limiting resistor R3 and the light-emitting diode D3 are connected in series to the shielding layer end of the battery E2 positive pole and the Siemens 2M line interface and the BNC2M line interface. , the shielding layer of the Siemens 2M line interface and the BNC2M line interface is connected to the battery E2 negative pole;

所述线缆短路检测单元由电池E1、电池E2、发光二极管D1、限流电阻R1组成，所述电池E1的正极经限流电阻R1、发光二极管D1、电池E2的负极后接在西门子2M线接口和BNC2M线接口的屏蔽层端，所述电池E1的负极接在西门子2M线接口和BNC2M线接口的线芯端。 The cable short-circuit detection unit is composed of a battery E1, a battery E2, a light-emitting diode D1, and a current-limiting resistor R1. interface and the shielding layer end of the BNC2M line interface, and the negative pole of the battery E1 is connected to the core end of the Siemens 2M line interface and the BNC2M line interface.

本实用新型的工作过程如下： The working process of the present utility model is as follows:

测量时把被测线两端分别接至图中的“A、B”和“A`、B`”。 When measuring, connect the two ends of the measured line to "A, B" and "A`, B`" in the figure respectively.

（1）检测线芯是否导通，如果被测线线芯是导通的则线芯通断指示灯4发光；  (1) Detect whether the wire core is conductive, if the wire core of the tested line is conductive, the wire core on-off indicator light 4 lights up;

（2）检测屏蔽层是否导通，如果被测线屏蔽层是导通的则、屏蔽层通断指示灯5发光；  (2) Detect whether the shielding layer is conductive, if the shielding layer of the tested line is conductive, the shielding layer on-off indicator 5 lights up;

（3）当检测完线芯和屏蔽层单路导通的前提下，检测屏蔽层与线芯之间是否短路，此时如果短路指示灯6发光，则说明线芯和屏蔽层是短路的，为故障状态。 (3) On the premise of detecting the one-way conduction between the core and the shielding layer, check whether there is a short circuit between the shielding layer and the core. At this time, if the short-circuit indicator 6 lights up, it means that the core and the shielding layer are short-circuited. to a fault state.

所以，只有当线芯通断指示灯4、蔽层通断指示灯5管发光，而短路指示灯6管不发光时，线路才是正常状态。 Therefore, only when the core on-off indicator light 4 and the shielding layer on-off indicator light 5 are luminous, and the short-circuit indicator light 6 is not luminous, the line is in a normal state.

本实用新型能够准确快速地对制作的2M线缆进行通断测试、焊接点虚焊测试，既能单独判断线芯和屏蔽层的通断，同时还能检测线芯和屏蔽层之间是否存在短路现象，以LED灯的显示来判断是否合格、通断是否存在不良等问题。 The utility model can accurately and quickly carry out on-off test and welding point virtual welding test on the produced 2M cable, can not only judge the on-off of the wire core and the shielding layer separately, but also detect whether there is a gap between the wire core and the shielding layer. Short circuit phenomenon, use the display of LED lights to judge whether it is qualified or not, whether there is a bad connection or not.

Claims (2)

1. 2M cable tester, it is characterized in that it comprises housing (1) and is arranged at a pair of Siemens 2M line interface (2-1,2-2) and a pair of BNC2M line interface (3-1,3-2) on the housing (1), be provided with core break-make pilot lamp (4), screen layer break-make pilot lamp (5) and short circuit pilot lamp (6) on the described housing (1), be provided with 2M cable testing circuit in the described housing (1), described 2M cable testing circuit is comprised of core detecting unit, screen layer detecting unit and cable short-circuit detecting unit.
2. 2M cable tester according to claim 1, it is characterized in that described core detecting unit is comprised of battery E1, current-limiting resistance R2, light emitting diode D2, described current-limiting resistance R2 be connected on the anodal core end with Siemens 2M line interface and BNC2M line interface of battery E1, the core termination battery E1 negative pole of described Siemens 2M line interface and BNC2M line interface after light emitting diode D2 connects;
Described screen layer detecting unit is comprised of battery E2, current-limiting resistance R3, light emitting diode D3, described current-limiting resistance R3 be connected on the anodal screen layer end with Siemens 2M line interface and BNC2M line interface of battery E2, the screen layer termination battery E2 negative pole of described Siemens 2M line interface and BNC2M line interface after light emitting diode D3 connects;
Described cable short-circuit detecting unit is comprised of battery E1, battery E2, light emitting diode D1, current-limiting resistance R1, the positive pole of described battery E1 is connected on the screen layer end of Siemens 2M line interface and BNC2M line interface behind the negative pole of current-limiting resistance R1, light emitting diode D1, battery E2, the negative pole of described battery E1 is connected on the core end of Siemens 2M line interface and BNC2M line interface.
CN 201220221982 2012-05-17 2012-05-17 2M on-line cable tester Expired - Lifetime CN202735450U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102707185A (en) * 2012-05-17 2012-10-03 河北省电力公司超高压输变电分公司 2M cable tester
CN103217617A (en) * 2013-04-12 2013-07-24 国家电网公司 Data line detection method based on L9 type 2M head
CN103231142A (en) * 2013-05-08 2013-08-07 国家电网公司 Brace type 2M-connector jig
CN111398861A (en) * 2020-03-24 2020-07-10 广西电网有限责任公司梧州供电局 2M cable fault detection circuit
CN114217117A (en) * 2021-10-29 2022-03-22 航天科工防御技术研究试验中心 Testing device of connector

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102707185A (en) * 2012-05-17 2012-10-03 河北省电力公司超高压输变电分公司 2M cable tester
CN102707185B (en) * 2012-05-17 2014-08-06 国家电网公司 2M cable tester
CN103217617A (en) * 2013-04-12 2013-07-24 国家电网公司 Data line detection method based on L9 type 2M head
CN103231142A (en) * 2013-05-08 2013-08-07 国家电网公司 Brace type 2M-connector jig
CN111398861A (en) * 2020-03-24 2020-07-10 广西电网有限责任公司梧州供电局 2M cable fault detection circuit
CN114217117A (en) * 2021-10-29 2022-03-22 航天科工防御技术研究试验中心 Testing device of connector
CN114217117B (en) * 2021-10-29 2024-07-16 航天科工防御技术研究试验中心 Testing device of connector

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Granted publication date: 20130213

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