CN101769978A - Signal wire break and short circuit detector - Google Patents
Signal wire break and short circuit detector Download PDFInfo
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- CN101769978A CN101769978A CN200910300516A CN200910300516A CN101769978A CN 101769978 A CN101769978 A CN 101769978A CN 200910300516 A CN200910300516 A CN 200910300516A CN 200910300516 A CN200910300516 A CN 200910300516A CN 101769978 A CN101769978 A CN 101769978A
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- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012856 packing Methods 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The invention discloses a signal wire break and short circuit detector, and aims to provide a device for conveniently detecting the on, off and short circuit states of a signal wire. The invention comprises a power supply 5, a current limiter 4 and an indicator 3 which are sequentially connected between corresponding plug-in points of two sockets. Two plugs at two ends of a signal wire are respectively inserted into the socket 1a and the socket 1b of the invention, and the on-off and short-circuit conditions of the signal wire are judged by the indicator 3. When a certain core wire in the signal wire is conducted, the indicator 3 corresponding to the core wire is lightened; if one of the core wires is not conducted, the indicator 3 corresponding to the core wire is not bright; if a short circuit occurs between two adjacent wires, the indicator 3' corresponding to the short circuit between the two adjacent wires is turned on. The invention is also a plug converter when a plurality of different kinds of sockets are connected in parallel.
Description
Technical field
The present invention relates to a kind of signal wire testing tool, be particularly useful for the detection of microphone cord, AV line equisignal line, the present invention or plug converter.
Background technology
At present, the quality that detects as microphone cord, video signal cable and other a little signal wires in real work is to detect with multimeter substantially, this method will detect the switching of each root heart yearn of the above signal wire of two cores or two cores or the short-circuit conditions between the adjacent heart yearn, must need to have detected time-consuming take a lot of work and not necessarily accurate with the several detection number of times more than two times of heart yearn.Moreover be exactly directly on probation on machine, trouble and not necessarily determine fault coverage.
Summary of the invention
The instrument that the purpose of this invention is to provide a kind of convenient inspection, the switching of test signal line, short circuit.Two plugs at signal wire two are inserted respectively in corresponding two sockets of the present invention, judge switching, the short-circuit conditions of signal wire by indicator.When different types of a plurality of socket is connected in parallel or plug converter.
For achieving the above object, present invention resides between the corresponding grafting point of two sockets and connect power supply, restrictor, indicator successively.When certain the heart yearn conducting in the signal wire, then the pairing indicator of this heart yearn is just lighted; When opening circuit as wherein a certain heart yearn then the pairing indicator of this heart yearn just do not work; During as certain two adjacent short circuits between conductors, then the indicator of cross-over connection is just lighted between this two adjacent heart yearn.
There is the grafting of n different types of a plurality of socket parallel connections and each socket to press the parallel connection of corresponding numbering check mark, just forms plug converter.
Below in conjunction with the drawings and specific embodiments invention is described in further detail.
Description of drawings
Fig. 1 is that signal wire of the present invention is disconnected, the block scheme of first kind of embodiment of the circuit theory diagrams of short circuit detector.
Fig. 2 is that signal wire of the present invention is disconnected, the block scheme of second kind of embodiment of the circuit theory diagrams of short circuit detector.
Fig. 3 is that signal wire of the present invention is disconnected, the circuit of short circuit detector and first kind of assembling scheme enforcement figure between the shell body.
Fig. 4 is that signal wire of the present invention is disconnected, the circuit of short circuit detector and second kind of assembling scheme enforcement figure between the shell body.
Fig. 5 is that signal wire of the present invention is disconnected, the block scheme of the third embodiment of the circuit theory diagrams of short circuit detector.
Fig. 6 is that signal wire of the present invention is disconnected, the block scheme of the 4th kind of embodiment of the circuit theory diagrams of short circuit detector.
Fig. 7 is that signal wire of the present invention is disconnected, the block scheme of the 5th kind of embodiment of the circuit theory diagrams of short circuit detector.
Fig. 8 is that signal wire of the present invention is disconnected, can connecting circuit figure that change, corresponding plug after a plurality of socket parallel connections of the variant kind of short circuit detector.
Embodiment
As shown in Figure 1, the present invention includes between the corresponding grafting point of grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connect power supply 5, restrictor 4, indicator 3 successively.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b that this invention is complementary, and when the heart yearn conducting in the signal wire, then the pairing indicator 3 of this heart yearn is just lighted; When every heart yearn in the signal wire can both conducting, then all indicators 3 were all lighted.During as wherein a certain not conducting of heart yearn then the pairing indicator 3 of this heart yearn just do not work.
As shown in Figure 1, the present invention also comprises between the adjacent in twos grafting point of the grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connects power supply 5, restrictor 4 ', indicator 3 ' successively, the plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this invention, during as certain two adjacent short circuits between conductors, then pairing indicator 3 ' is just lighted between this two adjacent heart yearn.
As shown in Figure 1, three core signal wires connect restrictor 4 ', indicator 3 ' respectively between this three couples grafting point successively between 2 adjacent in twos grafting points in this way.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this invention, when between certain two adjacent two heart yearn the situation of short circuit being arranged, then these two heart yearns say that indicator 3 ' between the corresponding grafting point just lights (the indicating circuit that indicator 3 ' can be made up of restrictor 4 ' and indicator 3 ', or the indicating circuit that can form by resistance and transistor circuit and fluoresce lamp or tungsten lamp of indicator 3 ', or the indicating circuit that can form by resistance and diode of indicator 3 ').
As Fig. 5, Fig. 6 or shown in Figure 7, the circuit that every pair of the three core signal wires point of pegging graft forms (No. 1 a grafting point that connects the grafting point 2b of illuminator 3, restrictor 4, battery 5, socket 1b as No. 1 point of pegging graft of the grafting point 2a of socket 1a successively) all respectively and other all each cross-over connection between the circuit of grafting point (2 or No. 3 grafting points that connect the grafting point 2b of illuminator 3, restrictor 4, battery 5, socket 1b as 2 or No. 3 grafting of the grafting point 2a of socket 1a successively) formation is had indicating circuit.Signal wire designed in the time of will detecting two core signal wires or more n core signal wire in this way is disconnected, short circuit detector also be with as Fig. 1, Fig. 5 or shown in Figure 6 principle.
As Fig. 1, Fig. 5, Fig. 6 or shown in Figure 7, the present invention can not want indicator 3 ' and pairing restrictor 4 ' thereof yet, just the path of a signal lines and situation about opening circuit.
As shown in Figure 2, the present invention includes between the corresponding grafting point of grafting point 2b of the grafting point 2a of socket 1a and socket 1b and connect restrictor 4 and indicator 3 and common source 5 successively.The plug at signal wire two to be detected is inserted respectively in the socket 1a and socket 1b of this invention, when the heart yearn conducting in the signal wire, then the pairing indicator 3 of this heart yearn is just lighted; When every heart yearn in the signal wire can both conducting, then all indicators 3 were all lighted.During as wherein a certain not conducting of heart yearn then the pairing indicator 3 of this heart yearn just do not work.
As Fig. 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6 or shown in Figure 7, signal wire of the present invention is disconnected, short circuit detector, can detect two core signal wires, three core signal wires or more n core signal wire, two sockets of socket 1a and socket 1b, branch n are to the grafting point, and pegging graft for every pair connects power supply 5, restrictor 4, indicator 3 respectively between the point successively.
As Fig. 2, Fig. 3 or shown in Figure 4, signal wire of the present invention is disconnected, short circuit detector, can detect two core signal wires, three core signal wires or more n core signal wire, two sockets of socket 1a and socket 1b, divide n to the grafting point, pegging graft for every pair connects restrictor 4, indicator 3, an and shared power supply 5 respectively successively between the point.
As shown in Figure 3, connecting power supply 5, restrictor 4, indicator 3 between the grafting point of socket 1a and socket 1b successively is assemblied in the box body 6, the side that socket 1a under the described grafting point and socket 1b are fixed in box body 6 (can be in the same side arbitrarily of box body 6, or the sides of two relative side and two adjacent 90 degree), indicator 3 and the indicator 3 ' housing that is exposed to box body 6 is convenient to outward observe.
As shown in Figure 4, connecting power supply 5, restrictor 4, indicator 3 between the grafting point of socket 1a and socket 1b successively is assemblied in the box body 6, the housing that the front that socket 1a under the described grafting point and socket 1b are fixed in box body 6, indicator 3 and indicator 3 ' are exposed to box body 6 is convenient to outward observe.
Signal wire of the present invention is disconnected, the indicator 3 of short circuit detector can be a light emitting diode, also can be fluorescent light, tungsten lamp or other device that Presentation Function is arranged when selecting non-polar indicator for use and also needing the short-circuit conditions of signal lines (as just connect on non-polar indicator rectifying device).Restrictor 4 can be resistance or other current limliting components and parts, and when the supply voltage of selecting suitable indicators 3 work for use, or can directly use the indicator of power supply power supply the time, the present invention just can not want restrictor 4.
As Fig. 6, Fig. 7 or shown in Figure 8, signal wire of the present invention is disconnected, three core sockets of short circuit detector can be at XLR (combo socket), big three cores or other three cores socket, as can be lotus flower socket, BNC socket or other two cores socket when using two core signal wires, more just select the socket of corresponding its plug of this signal wire during the signal wire of multicore for use as applying detection.
As Fig. 6 or shown in Figure 7, socket 1a of the present invention, socket 1a ', socket 1a " or the grafting of n different types of a plurality of socket parallel connections and each socket press corresponding numbering and check the number in parallelly, form plug converter; As lotus flower seat, CANNON seat, big three core print seats, big two core print seat parallel connections.Or as shown in Figure 8 need design the connection of corresponding complementary socket by (a, b, c, d, e, f, g, h, i) conversion of signal wire plug, and form plug converter.
As Fig. 6 or shown in Figure 7, socket 1b of the present invention, socket 1b ', socket 1b " or the grafting of n different types of a plurality of socket parallel connections and each socket to press corresponding numbering coupling in parallel, form plug converter; As lotus flower seat, CANNON seat, big three core print seats, big two core print seat parallel connections.Or as shown in Figure 8 need design the connection of corresponding complementary socket by (a, b, c, d, e, f, g, h, i) conversion of signal wire plug, and form plug converter.
As shown in Figure 7, socket 1a of the present invention, socket 1a ', socket 1a " or n different types of a plurality of socket parallel connections after and be connected to switch 9 between the late-class circuit; and by all being connected to one of switch 9 independently switch cutter spacing between the corresponding late-class circuit of the grafting point of the maximum socket of point of pegging graft; promptly have several heart yearns that several individual sub-switches are just arranged, switch 9 can be the linked switch of a single operating handle.Described as shown in Figure 7 socket 1b, socket 1b ', socket 1b " or n different types of a plurality of socket parallel connections after and be connected to switch 9 ' between the late-class circuit; and by all being connected to one of switch 9 ' independently switch cutter spacing between the corresponding late-class circuit of the grafting point of the maximum socket of point of pegging graft; promptly have several heart yearns that several individual sub-switches are just arranged, switch 9 ' can be the linked switch of a single operating handle.Described as shown in Figure 7 switch 9 and switch 9 ' can be the linked switches of a single operating handle.As shown in Figure 7, the design switching purposes is, when signal wire of the present invention breaks, just the testing circuit of socket and back level disconnected when short circuit detector is used as plug converter, to reduce and the factor disturbed than small-signal.
Circuit as shown in Figure 2, its socket also can be used as plug converter after the parallel connection as Fig. 6 or Fig. 7.
Signal wire of the present invention is disconnected, short circuit detector, the battery folder dry cell of packing into is arranged in housing 6, by Fig. 1, Fig. 6 or Fig. 7 as can be known each root heart yearn correspondence a battery folder independently dry cell of packing into all arranged, power for each root heart yearn and pairing indicator 3 separately.
Disconnected, the short circuit detector of signal wire of the present invention has the battery folder dry cell of packing in housing, have only the battery folder dry cell of packing into as shown in Figure 2, gives each root heart yearn and the 3 unified power supplies of pairing indicator.
As shown in Figure 5, as the described scheme of Fig. 1, different is that power supply 5 is replaced by electric capacity 8.The microphone cord of card tap just has three pairs of grafting points (also can be the signal wire of two cores or multicore) in this way, all connect an electric capacity 8 at every pair of circuit of pegging graft between the point, the positive pole of described each electric capacity 8 connects by the positive pole that multitool linked switch 7 corresponding cutter spacing are connected with power supply 5 ', and the negative pole of described each electric capacity 8 connects by the negative pole that multitool linked switch 7 corresponding cutter spacing are connected with power supply 5 '.Linked switch 7 is to select automatic reset switch (also can adopt self-lock switch) for use, principle of work and process are, pressing linked switch 7 before needing signal lines earlier just can give all electric capacity 8 chargings by power supply 5 ' simultaneously, when electric capacity 8 is decontroled linked switch 7 after moment is full of electric charge, again two plugs of signal wire to be detected are inserted respectively that signal wire is disconnected, in two socket 1a, the 1b of short circuit detector, this moment, each electric capacity 8 that is full of electric charge just can be powered separately to corresponding circuit respectively.Described power supply 5 ' can be a joint dry cell.
Signal wire of the present invention is disconnected, short circuit detector also can be combined in the multimeter and use.
Claims (10)
1. disconnected, the short circuit detector of signal wire is characterized in that: connect power supply, indicating circuit successively between two grafting points.
2. signal wire according to claim 1 is disconnected, short circuit detector, it is characterized in that: pegging graft at two connects power supply, restrictor, indicator between the point successively.
3. signal wire according to claim 2 is disconnected, short circuit detector, and it is characterized in that: two three core sockets all have three pairs of grafting points, pegs graft for every pair to connect power supply, restrictor, indicator respectively successively between the point.
4. disconnected, the short circuit detector of root signal wire according to claim 1 and 2, it is characterized in that: two n core sockets, difference correspondences become n to the grafting point, pegging graft for every pair connects power supply, restrictor, indicator respectively between the point successively, and every pair all has an independent current source to the point of pegging graft.
5., short circuit detector disconnected according to any described signal wire of claim 1 to 4, it is characterized in that: this power supply is electric capacity (8), many every pair of circuits of pegging graft between the point to the point of pegging graft all connect an electric capacity (8), and the both positive and negative polarity of described each electric capacity (8) also is connected with power supply (5 ') by the corresponding cutter spacing of multitool linked switch (7) respectively.
6., short circuit detector disconnected according to any described signal wire of claim 1 to 3 is characterized in that: two n core sockets, divide corresponding n to the grafting point, pegging graft for every pair connects restrictor, indicator respectively successively and inserts a common source between the point.
7., short circuit detector disconnected according to any described signal wire of claim 1 to 4, it is characterized in that: the grafting of described socket (1a, 1a ', 1a ") or n different types of a plurality of socket parallel connections and each socket is pressed corresponding numbering and is checked the number in parallelly, or the grafting of described socket (1b, 1b ', 1b ") or n different types of a plurality of socket parallel connections and each socket is pressed corresponding numbering and checked the number in parallel.
8., short circuit detector disconnected according to any described signal wire of claim 1 to 5, it is characterized in that: after described socket (1a, 1a ', 1a ") or n different types of a plurality of socket parallel connections and be connected to switch (9) between the late-class circuit, or after described socket (1b, 1b ', 1b ") or n the different types of a plurality of socket parallel connection and be connected to switch (9 ') between the late-class circuit.
9., short circuit detector disconnected according to any described signal wire of claim 1 to 5 is characterized in that: the circuit that the every pair of point of pegging graft forms all respectively and between other all each circuit that the point of pegging graft is formed cross-over connection indicating circuit is arranged.
10., short circuit detector disconnected according to any described signal wire of claim 1 to 9, it is characterized in that: this restrictor is a resistance, indicator is light emitting diode, fluorescent light or tungsten lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103005167A CN101769978B (en) | 2009-01-06 | 2009-02-24 | Signal wire break and short circuit detector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910300082.0 | 2009-01-06 | ||
| CN200910300082 | 2009-01-06 | ||
| CN2009103005167A CN101769978B (en) | 2009-01-06 | 2009-02-24 | Signal wire break and short circuit detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101769978A true CN101769978A (en) | 2010-07-07 |
| CN101769978B CN101769978B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103005167A Expired - Fee Related CN101769978B (en) | 2009-01-06 | 2009-02-24 | Signal wire break and short circuit detector |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752623A (en) * | 2011-04-19 | 2012-10-24 | 鸿富锦精密工业（深圳）有限公司 | Signal testing device |
| CN102751635A (en) * | 2012-07-06 | 2012-10-24 | 常熟市方园纺织器材厂 | Multifunctional audio connector |
| CN103364682A (en) * | 2013-06-28 | 2013-10-23 | 三一汽车制造有限公司 | Wiring harness detector and mechanical equipment |
| CN107422153A (en) * | 2017-09-13 | 2017-12-01 | 福建星云电子股份有限公司 | A kind of switch matrix and its self checking method |
| CN112269147A (en) * | 2020-10-19 | 2021-01-26 | 上海闻泰信息技术有限公司 | Detection device |
| CN113030637A (en) * | 2021-02-26 | 2021-06-25 | 广东电网有限责任公司 | Multi-core cable test circuit and device |
| CN112816907B (en) * | 2020-12-31 | 2022-07-29 | 广东电网有限责任公司 | Aviation plug wire and secondary circuit testing device |
| CN116930817A (en) * | 2023-09-18 | 2023-10-24 | 安擎计算机信息股份有限公司 | A riser card connector detection fixture and detection method |
-
2009
- 2009-02-24 CN CN2009103005167A patent/CN101769978B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752623A (en) * | 2011-04-19 | 2012-10-24 | 鸿富锦精密工业（深圳）有限公司 | Signal testing device |
| CN102751635A (en) * | 2012-07-06 | 2012-10-24 | 常熟市方园纺织器材厂 | Multifunctional audio connector |
| CN103364682A (en) * | 2013-06-28 | 2013-10-23 | 三一汽车制造有限公司 | Wiring harness detector and mechanical equipment |
| CN103364682B (en) * | 2013-06-28 | 2016-01-20 | 三一汽车制造有限公司 | A kind of Beam Detector, plant equipment |
| CN107422153A (en) * | 2017-09-13 | 2017-12-01 | 福建星云电子股份有限公司 | A kind of switch matrix and its self checking method |
| CN112269147A (en) * | 2020-10-19 | 2021-01-26 | 上海闻泰信息技术有限公司 | Detection device |
| CN112816907B (en) * | 2020-12-31 | 2022-07-29 | 广东电网有限责任公司 | Aviation plug wire and secondary circuit testing device |
| CN113030637A (en) * | 2021-02-26 | 2021-06-25 | 广东电网有限责任公司 | Multi-core cable test circuit and device |
| CN113030637B (en) * | 2021-02-26 | 2022-05-17 | 广东电网有限责任公司 | A multi-core cable testing circuit and device |
| CN116930817A (en) * | 2023-09-18 | 2023-10-24 | 安擎计算机信息股份有限公司 | A riser card connector detection fixture and detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101769978B (en) | 2011-12-14 |
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Address after: 225400 road toward Taixing City Industrial Park in Jiangsu province 18 Patentee after: Tian Yongmao Address before: Military Club of Chengdu military area, No. 31, Chengdu, Sichuan, Jianghan Road Patentee before: Tian Yongmao |
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Effective date of registration: 20170324 Address after: 510630 Guangdong city of Guangzhou province Tianhe District China King Road No. 66 Patentee after: Zhou Haixia Address before: 225400 road toward Taixing City Industrial Park in Jiangsu province 18 Patentee before: Tian Yongmao |
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Inventor after: Wu Shuhui Inventor after: Wu Xiangyi Inventor after: Gao Dao Inventor before: Zhou Haixia |
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Effective date of registration: 20170405 Address after: Second industrial zone, Tanzhou Town, Guangdong, Zhongshan, China, 528467 Patentee after: (Zhongshan) electronic components Co., Ltd. Address before: 510630 Guangdong city of Guangzhou province Tianhe District China King Road No. 66 Patentee before: Zhou Haixia |
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Granted publication date: 20111214 Termination date: 20180224 |