CN103529353A - Flat cable detection method and flat cable detection system - Google Patents
Flat cable detection method and flat cable detection system Download PDFInfo
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- CN103529353A CN103529353A CN201310530477.6A CN201310530477A CN103529353A CN 103529353 A CN103529353 A CN 103529353A CN 201310530477 A CN201310530477 A CN 201310530477A CN 103529353 A CN103529353 A CN 103529353A
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- 238000005070 sampling Methods 0.000 claims abstract description 40
- 238000012360 testing method Methods 0.000 claims description 78
- 238000006073 displacement reaction Methods 0.000 claims description 60
- 238000004804 winding Methods 0.000 claims description 60
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 description 3
- 208000032368 Device malfunction Diseases 0.000 description 1
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Abstract
The invention discloses a flat cable detection system. The flat cable detection system comprises a flat cable containing L wires, and each wire is provided with a first section and a second section. The flat cable detection system is characterized by further comprising N sampling ends, a first detection end and a second detection end, wherein the first section of the n<th> wire and the first section of the n'<th> wire in the L wires are in one-to-one correspondence with the N sampling ends respectively, the second section of the n<th> wire in the L wires is connected with the first detection end through positive one-way conducting elements, the second section of the n'<th> wire in the L wires is connected with the second detection end through the positive one-way conducting elements, n<=n'<=L, n'=n+c, and the c is an integer. The short circuit and open circuit detection is performed on each wire in the flat cable by using the N sampling ends, the first detection end and the second detection end, so that the pass percent of the flat cables can be accurately controlled to be 100%, failures caused by poor flat wires can be eliminated, and the production efficiency can be improved. The invention further discloses a flat cable detection method.
Description
Technical field
The present invention relates to a kind of winding displacement detection method and winding displacement detection system.
Background technology
Wiring board in the current source of welding current has much adopted winding displacement to connect, but the more difficult control of technique of winding displacement line ball end, if there is opening circuit or etween the lines short circuit bad, while powering on, may cause the unfavorable conditions such as device failure or malfunction, affect production efficiency.
Summary of the invention
Based on this, the invention reside in the defect that overcomes prior art, a kind of winding displacement detection method and winding displacement detection system are provided.
Its technical scheme is as follows:
A detection method, comprises the following steps:
N sampling end in N sampling end exported high level signal to the first paragraph of n root wire and the first paragraph of the n ' root wire in the L root wire of winding displacement, n≤n '≤L, and n '=n+c, c is integer;
If described n root wire is in connection situation, n root wire optional position is all with high level signal, if described n root wire is in the situation that opening circuit, high level signal ends at off position; If described the n ' root wire is in connection situation, the n ' root wire optional position is all with high level signal, if described the n ' root wire is in the situation that opening circuit, high level signal ends at off position;
The level signal of the second segment of described n root wire is detected in the first test side, described the n ' root wire level signal is detected in the second test side, when described n root wire is in connection situation, described the first test side receives high level signal, when described n root wire is in the situation that opening circuit, described the first test side receives low level signal, send alerting signal, when described the n ' root wire is in connection situation, described the second test side receives high level signal, when described the n ' root wire is in the situation that opening circuit, described the second test side receives low level signal, send alerting signal,
Detect other sampling ends in N sampling end, if other all sampling ends all receive low level, judge that described n root and the n ' root wire are normal, if m sampling end in N sampling end receives high level, judge described n root or/and the n ' root wire and m root wire are short-circuited, m ≠ n, m ≠ n '.
Winding displacement detection method of the present invention is utilized sampling end, the first test side and the second test side, each root wire in winding displacement has been carried out to short circuit with the detection of opening circuit, thereby the qualification rate that can accurately control winding displacement is 100%, get rid of the fault causing because winding displacement is bad, enhance productivity.
Further, described four steps that circulate, until detected each root of the N root wire in described winding displacement.
Further, when c=0, the diverse location of n root wire is detected in described the first test side and the second test side, when one of them of described the first test side and the second test side receives low level signal, send alerting signal, realize the many places of n root wire are detected.
A kind of winding displacement detection system, comprise winding displacement, described winding displacement has L root wire, each root wire all has first paragraph and second segment, it is characterized in that, also comprise N sampling end, the first test side and the second test side, the first paragraph of n root wire and the first paragraph of the n ' root wire in described L root wire connect one to one with N sampling end respectively, the second segment of the n root wire in described L root wire is all connected with the first test side by just connecing one-way conduction element separately, the second segment of the n ' root wire in described L root wire is all connected with the second test side by just connecing one-way conduction element separately, n≤n '≤L, n '=n+c, c is integer.
By N the sampling end connecting one to one, can detect winding displacement and whether have short circuit problem, the whether existence that can detect winding displacement by the first test side and the second test side problem that opens circuit, thereby complete the detection of whole winding displacement, thereby the qualification rate that can accurately control winding displacement is 100%, the fault that eliminating causes because winding displacement is bad, enhances productivity.
Further, when c=0, described the first test side is connected the diverse location of n root wire with the second test side, realizes the many places of n root wire are detected.
Further, a described N sampling end, the first test side and the second test side are the pin in the general I/O port of same single-chip microcomputer.
Owing to being that the general I/O port (GPIO mouth) that utilizes single-chip microcomputer detects winding displacement, for single-chip microcomputer, the output of its GPIO mouth and input be digital signal, 1 represents high level, 0 represents low level.Therefore, winding displacement detection method can judge exactly high level and low level in judgement, fuzzy value in the middle of not existing.Have again, utilize the GPIO mouth of single-chip microcomputer to detect winding displacement, large-scale without utilizing, complicated even expensive testing tool, thus simplified winding displacement detection system, also reduced testing cost
Further, described the first test side and the second test side are respectively two pins in the same general I/O port of single-chip microcomputer.
Further, the first paragraph of each root wire is connected with lower earth resistance respectively.
Further, described one-way conduction element is diode.
Accompanying drawing explanation
Fig. 1 is the wiring schematic diagram of winding displacement detection system described in the embodiment of the present invention.
Fig. 2 is the schematic flow sheet of winding displacement detection method described in the embodiment of the present invention.
Description of reference numerals:
10, wire, 20, sampling end, the 30, first test side, the 40, second test side, 50, one-way conduction element, 60, lower earth resistance.
Embodiment
Below embodiments of the invention are elaborated:
As shown in Figure 1, the winding displacement detection system described in the embodiment of the present invention comprises winding displacement, a N sampling end 20, the first test side 30 and the second test side 40.Described winding displacement has L root wire 10.The first paragraph of n root wire 10 and the first paragraph of the n ' root wire 10 in described L root wire 10 connect one to one with N sampling end 20 respectively.The second segment of the n root wire 10 in described L root wire 10 is all connected with the first test side 30 by just connecing one-way conduction element 50 separately, and the second segment of the n ' root wire 10 in described L root wire 10 is all connected with the second test side 40 by just connecing one-way conduction element 50 separately.In the present embodiment, described winding displacement is 25 core winding displacements, also has 25 sampling ends 20 simultaneously, that is to say N=L=25, c=0.A described N sampling end is corresponding L root wire 10 just, and the diverse location of n root wire 10 is detected in described the first test side 30 and the second test side 40.Particularly, described every wire 10 all has first paragraph, second segment and the 3rd section, and the level signal of described second segment is detected in described the first test side 30, and the level signal of described the 3rd section is detected in described the second test side 40.A described N sampling end 20, the first test side 30 and the second test side 40 are the GPIO(universal input/output of same single-chip microcomputer) mouthful.Bidirectional interface is all arranged in a described N sampling end 20, the first test side 30 and the second test side 40.Therefore utilize a single-chip microcomputer can realize the monitoring to winding displacement.Preferably, described the first test side 30 and the second test side 40 are respectively P0.1 mouth and the P0.2 mouths of single-chip microcomputer.Described one-way conduction element 50 is diode.Described the first test side 30, the second test side 40 are also connected with stake resistance 60.
In another embodiment, c=25, first thief hatch 20 need to connect the 1st first paragraph with the 26th wire, and n thief hatch 20 connects the first paragraph of n roots and the n ' root wire.Owing to differing 25 wires 10 between described n root and the n ' root wire 10, in objective reality, can not there is the situation of short circuit, therefore can share a thief hatch 20.Understandably, described c can be also other numerical value, as long as can guarantee that n root and the n ' root wire can not exist short-circuit conditions.
As shown in Figure 2, described in embodiments of the invention, winding displacement detection method comprises step:
If described n root wire is in connection situation, n root wire optional position is all with high level signal, if described n root wire is in the situation that opening circuit, high level signal ends at off position; If described the n ' root wire is in connection situation, the n ' root wire optional position is all with high level signal, if described the n ' root wire is in the situation that opening circuit, high level signal ends at off position;
The level signal of the second segment of described n root wire is detected in the first test side, described the n ' root wire level signal is detected in the second test side, when described n root wire is in connection situation, described the first test side receives high level signal, when described n root wire is in the situation that opening circuit, described the first test side receives low level signal, send alerting signal, when described the n ' root wire is in connection situation, described the second test side receives high level signal, when described the n ' root wire is in the situation that opening circuit, described the second test side receives low level signal, send alerting signal,
Detect other sampling ends in N sampling end, if other all sampling ends all receive low level, judge that described n root and the n ' root wire are normal, if m sampling end in N sampling end receives high level, judge described n root or/and the n ' root wire and m root wire are short-circuited, m ≠ n, m ≠ n '.
Described four steps that circulate, until detected each root of the N root wire in described winding displacement.
When c=0, the diverse location of n root wire is detected in described the first test side and the second test side, when one of them of described the first test side and the second test side receives low level signal, send alerting signal, thereby realize, the many places of n root wire are detected.
Understandably, when N equals other numerical value, that is to say when winding displacement has other numerical value root wires 10, the number of transformed samples end 20 or multiple conducting wires 10 grouping is detected, can complete the detection of whole winding displacement, winding displacement detection method of the present invention is utilized sampling end 20, the first test side 30 and the second test side 40, each root wire 10 in winding displacement has been carried out to short circuit with the detection of opening circuit, thereby the qualification rate that can accurately control winding displacement is 100%, the fault that eliminating causes because winding displacement is bad, enhances productivity.And, because being utilizes the GPIO mouth of single-chip microcomputer to detect winding displacement, for single-chip microcomputer, the output of its GPIO mouth and input be digital signal, 1 represents high level, 0 represents low level.Therefore, winding displacement detection method can judge exactly high level and low level in judgement, fuzzy value in the middle of not existing.Have again, utilize the GPIO mouth of single-chip microcomputer to detect winding displacement, large-scale without utilizing, complicated even expensive testing tool, thus simplified winding displacement detection system, also reduced testing cost.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (9)
1. a winding displacement detection method, is characterized in that, comprises the following steps:
N sampling end in N sampling end exported high level signal to the first paragraph of n root wire and the first paragraph of the n ' root wire in the L root wire of winding displacement, n≤n '≤L, and n '=n+c, c is integer;
If described n root wire is in connection situation, n root wire optional position is all with high level signal, if described n root wire is in the situation that opening circuit, high level signal ends at off position; If described the n ' root wire is in connection situation, the n ' root wire optional position is all with high level signal, if described the n ' root wire is in the situation that opening circuit, high level signal ends at off position;
The level signal of the second segment of described n root wire is detected in the first test side, described the n ' root wire level signal is detected in the second test side, when described n root wire is in connection situation, described the first test side receives high level signal, when described n root wire is in the situation that opening circuit, described the first test side receives low level signal, send alerting signal, when described the n ' root wire is in connection situation, described the second test side receives high level signal, when described the n ' root wire is in the situation that opening circuit, described the second test side receives low level signal, send alerting signal,
Detect other sampling ends in N sampling end, if other all sampling ends all receive low level, judge that described n root and the n ' root wire are normal, if m sampling end in N sampling end receives high level, judge described n root or/and the n ' root wire and m root wire are short-circuited, m ≠ n, m ≠ n '.
2. winding displacement detection method as claimed in claim 1, is characterized in that, described four steps that circulate, until detected each root of the N root wire in described winding displacement.
3. winding displacement detection method as claimed in claim 1, it is characterized in that, when c=0, the diverse location of n root wire is detected in described the first test side and the second test side, when one of them of described the first test side and the second test side receives low level signal, send alerting signal.
4. a winding displacement detection system, comprise winding displacement, described winding displacement has L root wire, each root wire all has first paragraph and second segment, it is characterized in that, also comprise N sampling end, the first test side and the second test side, the first paragraph of n root wire and the first paragraph of the n ' root wire in described L root wire connect one to one with N sampling end respectively, the second segment of the n root wire in described L root wire is all connected with the first test side by just connecing one-way conduction element separately, the second segment of the n ' root wire in described L root wire is all connected with the second test side by just connecing one-way conduction element separately, n≤n '≤L, n '=n+c, c is integer.
5. winding displacement detection system as claimed in claim 4, is characterized in that, when c=0, described the first test side is connected the diverse location of n root wire with the second test side.
6. winding displacement detection system as claimed in claim 4, is characterized in that, a described N sampling end, the first test side and the second test side are the pin in the general I/O port of same single-chip microcomputer.
7. winding displacement detection system as claimed in claim 4, is characterized in that, described the first test side and the second test side are respectively two pins in the same general I/O port of single-chip microcomputer.
8. winding displacement detection system as claimed in claim 4, is characterized in that, the first paragraph of each root wire is connected with lower earth resistance respectively.
9. the winding displacement detection system as described in claim 4-8 any one, is characterized in that, described one-way conduction element is diode.
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| CN201310530477.6A CN103529353B (en) | 2013-10-31 | 2013-10-31 | Winding displacement detection method and winding displacement detection system |
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| CN201310530477.6A CN103529353B (en) | 2013-10-31 | 2013-10-31 | Winding displacement detection method and winding displacement detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124919A (en) * | 2016-06-27 | 2016-11-16 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set harness checking method and device |
| CN109164373A (en) * | 2018-09-12 | 2019-01-08 | 常州同惠电子股份有限公司 | A method of for testing wire rod on-off |
| CN109901044A (en) * | 2017-12-07 | 2019-06-18 | 英业达科技有限公司 | The central processing unit differential testing system and method for multi circuit board |
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| CN202383225U (en) * | 2011-11-21 | 2012-08-15 | 广西星宇智能电气有限公司 | Flat connecting cable detecting apparatus |
| CN202854270U (en) * | 2012-09-29 | 2013-04-03 | 广东明阳龙源电力电子有限公司 | A circuit test device for a signal transmission line |
| CN203084132U (en) * | 2012-12-31 | 2013-07-24 | 杨奕璇 | Cable short circuit detection device |
| CN203606450U (en) * | 2013-10-31 | 2014-05-21 | 上海沪工焊接集团股份有限公司 | Flat cable detection system |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20060202703A1 (en) * | 2005-03-12 | 2006-09-14 | Hon Hai Precision Industry Co., Ltd. | Apparatus for testing electric cables |
| CN202383225U (en) * | 2011-11-21 | 2012-08-15 | 广西星宇智能电气有限公司 | Flat connecting cable detecting apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106124919A (en) * | 2016-06-27 | 2016-11-16 | 中车株洲电力机车研究所有限公司 | A kind of wind power generating set harness checking method and device |
| CN109901044A (en) * | 2017-12-07 | 2019-06-18 | 英业达科技有限公司 | The central processing unit differential testing system and method for multi circuit board |
| CN109901044B (en) * | 2017-12-07 | 2021-11-12 | 英业达科技有限公司 | Central processing unit differential test system of multiple circuit boards and method thereof |
| CN109164373A (en) * | 2018-09-12 | 2019-01-08 | 常州同惠电子股份有限公司 | A method of for testing wire rod on-off |
| CN109164373B (en) * | 2018-09-12 | 2020-12-25 | 常州同惠电子股份有限公司 | Method for testing on-off of wire |
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| CN103529353B (en) | 2016-03-30 |
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Effective date of registration: 20200603 Address after: Room 301-305, building 1, 3883 Yuanjiang Road, Minhang District, Shanghai 201100 Patentee after: Shanghai Huhang Satellite Technology Co., Ltd Address before: Qingpu 201700 waiqingsong road Shanghai City, No. 7177 Patentee before: SHANGHAI HUGONG ELECTRIC (GROUP) Co.,Ltd. |
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