CN102082054B - Test method of multispiral filament - Google Patents
Test method of multispiral filament Download PDFInfo
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- CN102082054B CN102082054B CN2010106026134A CN201010602613A CN102082054B CN 102082054 B CN102082054 B CN 102082054B CN 2010106026134 A CN2010106026134 A CN 2010106026134A CN 201010602613 A CN201010602613 A CN 201010602613A CN 102082054 B CN102082054 B CN 102082054B
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Abstract
The invention discloses a test method of a multispiral filament. In the test method, the multispiral filament is tested through four steps of appearance quality test, dimensional test, strength test and cold resistance test; if the four tests are all qualified, the multispiral filament is judged as the qualified product; if only one test is unqualified, the multispiral filament is judged as the unqualified product, and the test is finished. The multispiral filament tested to be qualified has superior performance and greatly enhanced the exhaust decomposition consistency and prolonged service life.
Description
Technical field
The present invention relates to a kind of method of inspection of filament, characteristic is the method for inspection of the many coiled filaments of a kind of power saving fluorescent lamp.
Background technology
Power saving fluorescent lamp is present most important artificial light sources, extensively is used in the whole world.Especially in industry and commercial lighting field, the ideal that the diversity of its high-effect, good light output, color and long useful life make it to become in the above-mentioned lighting field is selected.The intensification effect of power saving fluorescent lamp and depend on the helical structure of energy-saving filament useful life on the one hand also depends on the method for inspection of coiled filament on the other hand.The method of inspection of existing many coiled filaments does not have a unified national standard or industry standard; Cause the considerable product that is up to the standards; Can occur still in use that exhaust decomposes that into energising consistency is poor, the fracture of wire ratio is high, useful life too short phenomenon; The method of inspection that existing many coiled filaments are described exists many very rational places, so a kind of method of inspection effective, rational many coiled filaments of research and design is very necessary.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of easy operating, practical and convenient, the method for inspection of judging rational many coiled filaments.The coiled filament superior performance that the present invention is up to the standards has improved the exhaust of coiled filament greatly and has decomposed consistency and useful life.
For solving the problems of the technologies described above; Technical scheme of the present invention is following: a kind of method of inspection of many coiled filaments; This method checks four road steps that many coiled filaments are tested through presentation quality check, dimension control, ruggedness test and cold-state resistance; Four road checking procedures are all qualified, then are judged to be qualified product; As long as there be one checking procedure defective, then be judged to be defective item, and finish check.
In the method for inspection of above-mentioned many coiled filaments, this method specifically may further comprise the steps;
A, presentation quality check; Filament is carried out presentation quality check at the 20W fluorescent lamp on as the filament check-out console of light source, and light source is positioned at 0.15～0.25m place under the check table top; Select color and luster to be silver gray, do not have yellow black patches, and free from admixture in the bung flange, two wire foot length are consistent, and the carrot-free filament of otch descends check together;
B, dimension control; On the filament check-out console, be not less than the vernier caliper measurement of 0.02mm apart from filament 30～40cm place range estimation and with precision; Select the total length deviation ± 0.5mm, helix length dimensional discrepancy ± 0.15 with the wire foot length variation ± 0.25 with interior filament under check;
C, ruggedness test; Pinch the wired position of filament bipod with two fingers, filament is stretched to 7～8 times of total lengths at the uniform velocity lentamente, the filament of the no brittle failure of choosing descend to check for one;
D, cold-state resistance check; Test filament cold-state resistance, if the error of the cold-state resistance value of filament setting ± 3% in, then be judged to be qualified product.
Compared with prior art; The present invention adopts presentation quality check, dimension control, ruggedness test and cold-state resistance to check four road inspection process; The per pass inspection process all is the result in applicant's repetition test, comparison, screening, summary; Compare with the method for inspection of existing many coiled filaments, easy operating of the present invention, practical and convenient judges that through the present invention qualified product has the advantages that high conformity is decomposed in stable performance, exhaust; The present invention can screen out the filament that capability and performance is not good, the life-span is low effectively, the useful life of therefore having improved the filament finished product indirectly.
Embodiment
Below in conjunction with embodiment the present invention is further described.
Embodiments of the invention: a kind of method of inspection of many coiled filaments, this method may further comprise the steps in order;
A, presentation quality check; Filament is carried out presentation quality check at the 20W fluorescent lamp on as the filament check-out console of light source, and light source is positioned at 0.15～0.25m place under the check table top, the filament check-out console is the filament inspection machine of industry routine; Select color and luster to be silver gray, do not have yellow black patches, and free from admixture in the bung flange, two wire foot length are consistent, and the carrot-free filament of otch descends check together; If do not meet above-mentioned requirements, then judge defective, test ending;
B, dimension control; On the filament check-out console, be not less than the vernier caliper measurement of 0.02mm apart from filament 30～40cm place range estimation and with precision; Select the total length deviation ± 0.5mm, helix length dimensional discrepancy ± 0.15 with the wire foot length variation ± 0.25 with interior filament under check; If it is defective that dimensional discrepancy beyond the prescribed limit value, then is judged to be, test ending;
C, ruggedness test; Pinch the wired position of filament bipod with two fingers, filament is stretched to 7～8 times of total lengths at the uniform velocity lentamente, the filament of the no brittle failure of choosing descend to check for one; If it is defective that the filament brittle failure then is judged to be, test ending;
D, cold-state resistance check; Test filament cold-state resistance, if the error of the cold-state resistance value of filament setting ± 3% in, then be judged to be qualified product; If it is defective that the error of the cold-state resistance value of filament beyond setting, is then judged, test ending.
Claims (1)
1. the method for inspection of coiled filament more than a kind; It is characterized in that: this method checks four road steps that many coiled filaments are tested through presentation quality check, dimension control, ruggedness test and cold-state resistance; Four road checking procedures are all qualified, then are judged to be qualified product; As long as there be one checking procedure defective, then be judged to be defective item, and finish check; This method specifically may further comprise the steps;
A, presentation quality check; Filament is carried out presentation quality check at the 20W fluorescent lamp on as the filament check-out console of light source, and light source is positioned at 0.15～0.25m place under the check table top; Select color and luster to be silver gray, do not have yellow black patches, and free from admixture in the bung flange, two wire foot length are consistent, and the carrot-free filament of otch descends check together;
B, dimension control; On the filament check-out console, be not less than the vernier caliper measurement of 0.02mm apart from filament 30～40cm place range estimation and with precision; Select the total length deviation ± 0.5mm, helix length dimensional discrepancy ± 0.15mm with the wire foot length variation ± 0.25mm with interior filament under check;
C, ruggedness test; Pinch the wired position of filament bipod with two fingers, filament is stretched to 7～8 times of total lengths at the uniform velocity lentamente, the filament of the no brittle failure of choosing descend to check for one;
D, cold-state resistance check; Test filament cold-state resistance, if the error of the cold-state resistance value of filament setting ± 3% in, then be judged to be qualified product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106026134A CN102082054B (en) | 2010-12-23 | 2010-12-23 | Test method of multispiral filament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106026134A CN102082054B (en) | 2010-12-23 | 2010-12-23 | Test method of multispiral filament |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102082054A CN102082054A (en) | 2011-06-01 |
| CN102082054B true CN102082054B (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106026134A Expired - Fee Related CN102082054B (en) | 2010-12-23 | 2010-12-23 | Test method of multispiral filament |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102082054B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060274307A1 (en) * | 2004-01-07 | 2006-12-07 | Volker Schaft | Method and device for checking the integrity of a glass protecting tube for the spiral-wound filament of an infrared radiator heat source |
| CN101339887A (en) * | 2008-08-18 | 2009-01-07 | 湖州太箭照明有限公司 | Double main thread three-helix energy-saving lamp filament and manufacturing method thereof |
-
2010
- 2010-12-23 CN CN2010106026134A patent/CN102082054B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060274307A1 (en) * | 2004-01-07 | 2006-12-07 | Volker Schaft | Method and device for checking the integrity of a glass protecting tube for the spiral-wound filament of an infrared radiator heat source |
| CN101339887A (en) * | 2008-08-18 | 2009-01-07 | 湖州太箭照明有限公司 | Double main thread three-helix energy-saving lamp filament and manufacturing method thereof |
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| Publication number | Publication date |
|---|---|
| CN102082054A (en) | 2011-06-01 |
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Granted publication date: 20120321 Termination date: 20141223 |
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