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CN102707185A - 2M cable tester - Google Patents

2M cable tester Download PDF

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Publication number
CN102707185A
CN102707185A CN2012101531121A CN201210153112A CN102707185A CN 102707185 A CN102707185 A CN 102707185A CN 2012101531121 A CN2012101531121 A CN 2012101531121A CN 201210153112 A CN201210153112 A CN 201210153112A CN 102707185 A CN102707185 A CN 102707185A
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China
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cable
shielding layer
line interface
battery
bnc2m
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Granted
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CN2012101531121A
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Chinese (zh)
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CN102707185B (en
Inventor
赵勇胜
李志伟
赵晓阳
段志勇
李牧
张炜祎
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State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
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Hebei Power Co Ultra-Hv Transmission & Distribution Co
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Publication of CN102707185A publication Critical patent/CN102707185A/en
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Publication of CN102707185B publication Critical patent/CN102707185B/en
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  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

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

2M线缆测试仪2M cable tester

技术领域 technical field

本发明涉及一种2M线缆测试仪。 The invention 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.

发明内容 Contents of the invention

本发明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 present invention is to provide a 2M cable tester that is easy to use, simple in structure and accurate in detection.

本发明采用如下技术方案： The present invention adopts following technical scheme:

本发明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 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 detection circuit is arranged in the casing, 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.

本发明的积极效果如下： The positive effect of the present invention is as follows:

本发明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 invention can accurately and quickly carry out on-off test and welding point virtual welding test on the produced 2M cable, can independently judge the on-off of the wire core and the shielding layer, and can also detect whether there is a short circuit between the wire core and the shielding layer Phenomenon, use the display of the LED light 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为本发明结构示意图。 Accompanying drawing 1 is the structure diagram of the present invention.

附图2为本发明的电路原理图。 Accompanying drawing 2 is the circuit schematic diagram of the present invention.

具体实施方式 Detailed ways

如附图1、2所示，本发明包括壳体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 drawing 1,2, the present invention comprises housing 1 and is arranged on housing 1 a pair of Siemens 2M line interface 2-1,2-2 and a pair of BNC2M line interface 3-1,3-2, 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 is composed of 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.

本发明的工作过程如下： Working process of the present invention 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.

本发明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 invention can accurately and quickly carry out on-off test and welding point virtual welding test on the produced 2M cable, can independently judge the on-off of the wire core and the shielding layer, and can also detect whether there is a short circuit between the wire core and the shielding layer Phenomenon, use the display of the LED light to judge whether it is qualified or not, whether there is a bad connection or not.

Claims (2)

1.一种2M线缆测试仪，其特征在于其包括壳体（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。 1. A 2M cable tester, characterized in that it includes a housing (1) and a pair of Siemens 2M line interfaces (2-1, 2-2) and a pair of BNC2M lines arranged on the housing (1) interface (3-1, 3-2), the shell (1) is provided with a wire core on-off indicator light (4), a shielding layer on-off indicator light (5) and a short-circuit indicator light (6), and the shell A 2M cable detection circuit is arranged inside the body (1), 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. 2.根据权利要求1所述的2M线缆测试仪，其特征在于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； 2. The 2M cable tester according to claim 1, wherein the core detection unit is composed of a battery E1, a current-limiting resistor R2, and a light-emitting diode D2, and the current-limiting resistor R2 is connected in series with the light-emitting diode D2 Connected to the positive pole of the battery E1 and the core end of the Siemens 2M line interface and the BNC2M line interface, the core ends 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.
CN201210153112.1A 2012-05-17 2012-05-17 2M cable tester Active CN102707185B (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217617A (en) * 2013-04-12 2013-07-24 国家电网公司 Data line detection method based on L9 type 2M head
CN103293434A (en) * 2013-05-27 2013-09-11 国家电网公司 Automatic loopback test set for 2M cables
CN103344867A (en) * 2013-05-31 2013-10-09 国家电网公司 2M wire terminal welding on-line testing device
CN103823146A (en) * 2014-03-19 2014-05-28 国家电网公司 E1 cable joint diagnosis device
CN104459434A (en) * 2014-11-11 2015-03-25 国网河南省电力公司济源供电公司 2M wire manufacturing testing tool kit
CN104678249A (en) * 2015-03-17 2015-06-03 国家电网公司 State detection device for coaxial cables in transformer partial discharge test
CN105337659A (en) * 2015-11-11 2016-02-17 国网河南省电力公司商丘供电公司 2M loopback detector
CN105842578A (en) * 2016-05-13 2016-08-10 国网山东省电力公司莱州市供电公司 Indicator capable of rapidly determining coaxial cable BNC radio frequency head fault types
CN106990319A (en) * 2017-05-16 2017-07-28 国网冀北电力有限公司承德供电公司 A kind of 2M lines detector
CN107703411A (en) * 2017-10-27 2018-02-16 通号工程局集团北京研究设计实验中心有限公司 A kind of quick apparatus and method for checking line quality in SDH Transmission systems
CN110007184A (en) * 2019-04-12 2019-07-12 广汽菲亚特克莱斯勒汽车有限公司 A kind of Profibus communication cable detecting instrument

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Publication number Priority date Publication date Assignee Title
CN201149611Y (en) * 2008-01-18 2008-11-12 范明磊 Instrument for detecting five series and ultra-five series cable
CN202735450U (en) * 2012-05-17 2013-02-13 国家电网公司 2M on-line cable tester

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201149611Y (en) * 2008-01-18 2008-11-12 范明磊 Instrument for detecting five series and ultra-five series cable
CN202735450U (en) * 2012-05-17 2013-02-13 国家电网公司 2M on-line cable tester

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103217617A (en) * 2013-04-12 2013-07-24 国家电网公司 Data line detection method based on L9 type 2M head
CN103293434B (en) * 2013-05-27 2015-06-24 国家电网公司 Automatic loopback test set for 2M cables
CN103293434A (en) * 2013-05-27 2013-09-11 国家电网公司 Automatic loopback test set for 2M cables
CN103344867A (en) * 2013-05-31 2013-10-09 国家电网公司 2M wire terminal welding on-line testing device
CN103344867B (en) * 2013-05-31 2016-05-11 国家电网公司 2M wire terminal welding online testing device
CN103823146A (en) * 2014-03-19 2014-05-28 国家电网公司 E1 cable joint diagnosis device
CN104459434A (en) * 2014-11-11 2015-03-25 国网河南省电力公司济源供电公司 2M wire manufacturing testing tool kit
CN104459434B (en) * 2014-11-11 2017-09-01 国网河南省电力公司济源供电公司 2M Line Production Test Toolbox
CN104678249A (en) * 2015-03-17 2015-06-03 国家电网公司 State detection device for coaxial cables in transformer partial discharge test
CN105337659A (en) * 2015-11-11 2016-02-17 国网河南省电力公司商丘供电公司 2M loopback detector
CN105337659B (en) * 2015-11-11 2017-08-04 国网河南省电力公司商丘供电公司 2M loopback detectors
CN105842578A (en) * 2016-05-13 2016-08-10 国网山东省电力公司莱州市供电公司 Indicator capable of rapidly determining coaxial cable BNC radio frequency head fault types
CN106990319A (en) * 2017-05-16 2017-07-28 国网冀北电力有限公司承德供电公司 A kind of 2M lines detector
CN107703411A (en) * 2017-10-27 2018-02-16 通号工程局集团北京研究设计实验中心有限公司 A kind of quick apparatus and method for checking line quality in SDH Transmission systems
CN110007184A (en) * 2019-04-12 2019-07-12 广汽菲亚特克莱斯勒汽车有限公司 A kind of Profibus communication cable detecting instrument

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