CN102539446B - Broken strand detecting method for enameled stranded wire - Google Patents
Broken strand detecting method for enameled stranded wire Download PDFInfo
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- CN102539446B CN102539446B CN 201010594383 CN201010594383A CN102539446B CN 102539446 B CN102539446 B CN 102539446B CN 201010594383 CN201010594383 CN 201010594383 CN 201010594383 A CN201010594383 A CN 201010594383A CN 102539446 B CN102539446 B CN 102539446B
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- thread
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- cover strand
- strand line
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a broken strand detecting method for an enameled stranded wire. The method mainly comprises the following steps of: removing an enameled film at the bottom end of each single strand of the enameled stranded wire, connecting the end to the cathode of a storage battery, putting the other end of each single strand of the enameled stranded wire into a saline phenolphthalein solution prepared in the first step, inserting a lead led out of the anode of the storage battery into the saline phenolphthalein solution, and performing power-on test; and viewing the light red flow condition at each single strand, wherein when a certain single strand does not have light red flow, the single strand is broken and should be removed, and when all single strands have the light red flow, the enameled stranded wire does not have a broken strand phenomenon, and thus a qualified product is obtained. By using the principle that the phenolphthalein solution becomes red in alkali, the broken strand phenomenon can be conveniently detected by the method.
Description
Technical field
The present invention relates to electrical material, relate in particular to enamel-cover strand line.
Background technology
Many appliance components all can be used enamel-cover strand line, and the strand line can run into the enameled wire broken string aborning, cause disconnected strand of strand line, lack a burst phenomenon, influence the end product quality of enamel-cover strand line.Whole scarce strand can detect by people's range estimation, and disconnected thigh often occurs in midway, can not find after finished product rolls off the production line, and detects with regard to a kind of detection method of needs, and the strand line of disconnected thigh is rejected.
Summary of the invention
The purpose of this invention is to provide a kind of disconnected burst of method that detects utilizing principle of electrochemical reaction to enamel-cover strand line.
For achieving the above object, the technical solution used in the present invention is:
The first step: the mixed liquor of in a container, pack into sodium chloride solution and phenolphthalein ethanolic solution.
Second step: the circular hole that to process a diameter on the cylindrical shell of existing enamel-cover strand line drum be 1cm;
The 3rd step: when drum is reached the standard grade, bottom the end of a thread of each sub-thread of enamel-cover strand line is drawn from above-mentioned circular hole, draw length and be controlled at 20-30cm, receive winding displacement then;
The 4th step: after treating to finish take-up finished product rolling off the production line, the paint film of bottom the end of a thread of each sub-thread of enamel-cover strand line is removed, be connected the negative pole of accumulator, the other end of each sub-thread of enamel-cover strand line is placed in the salt solution phenolphthalein solution that the first step configures, pick out a lead from battery positive voltage and insert the salt solution phenolphthalein solution energizing test; Check the pale red a fluid stream situation at each sub-thread head place,, disconnected strand of this single cord is described, should reject this single cord when certain sub-thread does not have the pale red a fluid stream; When all sub-threads all have the pale red a fluid stream, the not disconnected burst phenomenon of enamel-cover strand line is described, be certified products.
Reaction principle of the present invention and good effect are:
The present invention has utilized phenolphthalein solution to meet the principle that alkali reddens, the phenolphthalein ethanolic solution that in the sodium chloride solution (salt solution) of 2g/L, adds 30g/L, be easy to observe the pale red a fluid stream, if not disconnected strand, then there is electric current to pass through, have NaOH after the energising and generate, phenolphthalein solution is met alkali and is reddened, and then has the pale red a fluid stream to generate; Otherwise a disconnected strand after-current does not pass through, and the end of a thread place does not have the pale red a fluid stream.So detect disconnected burst phenomenon easily by the inventive method.
Embodiment
Further specify technical scheme of the present invention below by specific embodiment.
The first step: pickle making phenolphthalein mixed solution in container, salt solution 0.2% (NaCl+20L pure water) wherein, phenolphthalein 3g+ alcohol 100ml.
Second step: the circular hole that to process a diameter on the cylindrical shell of existing enamel-cover strand line drum be 1cm;
The 3rd step: when drum is reached the standard grade, bottom the end of a thread of each sub-thread of enamel-cover strand line is drawn from above-mentioned circular hole, draw length and be controlled at 25cm, receive winding displacement then;
The 4th step: after treating to finish take-up finished product rolling off the production line, the paint film of bottom the end of a thread of each sub-thread of enamel-cover strand line is removed, be connected the negative pole of accumulator, the other end of each sub-thread of enamel-cover strand line is placed in the salt solution phenolphthalein solution that the first step configures, pick out a lead from battery positive voltage and insert the salt solution phenolphthalein solution energizing test; Check the pale red a fluid stream situation at each sub-thread head place,, disconnected strand of this single cord is described, should reject this single cord when certain sub-thread does not have the pale red a fluid stream; When all sub-threads all have the pale red a fluid stream, the not disconnected burst phenomenon of enamel-cover strand line is described, be certified products.
Claims (1)
1. the disconnected burst detection method of an enamel-cover strand line is characterized in that step is as follows:
The first step: the mixed liquor of in a container, pack into sodium chloride solution and phenolphthalein ethanolic solution;
Second step: the circular hole that to process a diameter on the cylindrical shell of existing enamel-cover strand line drum be 1cm;
The 3rd step: when drum is reached the standard grade, bottom the end of a thread of each sub-thread of enamel-cover strand line is drawn from above-mentioned circular hole, draw length and be controlled at 20-30cm, receive winding displacement then;
The 4th step: after treating to finish take-up finished product rolling off the production line, the paint film of bottom the end of a thread of each sub-thread of enamel-cover strand line is removed, be connected the negative pole of accumulator, the other end of each sub-thread of enamel-cover strand line is placed in the salt solution phenolphthalein solution that the first step configures, pick out a lead from battery positive voltage and insert the salt solution phenolphthalein solution energizing test; Check the pale red a fluid stream situation at each sub-thread head place,, disconnected strand of this single cord is described, should reject this single cord when certain sub-thread does not have the pale red a fluid stream; When all sub-threads all have the pale red a fluid stream, the not disconnected burst phenomenon of enamel-cover strand line is described, be certified products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594383 CN102539446B (en) | 2010-12-17 | 2010-12-17 | Broken strand detecting method for enameled stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594383 CN102539446B (en) | 2010-12-17 | 2010-12-17 | Broken strand detecting method for enameled stranded wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102539446A CN102539446A (en) | 2012-07-04 |
| CN102539446B true CN102539446B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010594383 Active CN102539446B (en) | 2010-12-17 | 2010-12-17 | Broken strand detecting method for enameled stranded wire |
Country Status (1)
| Country | Link |
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| CN (1) | CN102539446B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649079B (en) * | 2015-02-02 | 2017-03-29 | 东莞市联洲知识产权运营管理有限公司 | A kind of rolling-up mechanism with enamel-covered wire pinhole detection |
| CN113866916B (en) * | 2021-09-25 | 2022-05-20 | 浙江宏盛通信技术有限公司 | Invisible optical cable and processing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1250996A1 (en) * | 1983-03-15 | 1986-08-15 | Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт кабельной промышленности | Device for testing insulation of enameled wire |
| CN101546624A (en) * | 2009-05-04 | 2009-09-30 | 山东赛特电工股份有限公司 | 108 degree special fine self-adhesion lacquered wire and production method thereof |
-
2010
- 2010-12-17 CN CN 201010594383 patent/CN102539446B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1250996A1 (en) * | 1983-03-15 | 1986-08-15 | Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт кабельной промышленности | Device for testing insulation of enameled wire |
| CN101546624A (en) * | 2009-05-04 | 2009-09-30 | 山东赛特电工股份有限公司 | 108 degree special fine self-adhesion lacquered wire and production method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘积军.漆包线弯曲盐水针孔试验法的标准化探讨.《电线电缆》.2008,(第1期),第30-32页. |
| 周清波.盐水针孔试验规范.《盐水针孔试验规范》.2007,wenku.baidu.com/view8d5ac28783d049665848.html. * |
| 漆包线弯曲盐水针孔试验法的标准化探讨;刘积军;《电线电缆》;20080228(第1期);第30-32页 * |
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| CN102539446A (en) | 2012-07-04 |
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Denomination of invention: A detection method for broken strand of enameled stranded wire Effective date of registration: 20210628 Granted publication date: 20130731 Pledgee: Shandong Xintai Rural Commercial Bank Co., Ltd Pledgor: SHANDONG SAINT ELECTRIC Co.,Ltd. Registration number: Y2021980005359 |