CN102841015B - Vacuum interrupter metallization detection method and equipment thereof - Google Patents
Vacuum interrupter metallization detection method and equipment thereof Download PDFInfo
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- CN102841015B CN102841015B CN201210365724.7A CN201210365724A CN102841015B CN 102841015 B CN102841015 B CN 102841015B CN 201210365724 A CN201210365724 A CN 201210365724A CN 102841015 B CN102841015 B CN 102841015B
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Abstract
The invention discloses a kind of vacuum interrupter metallization detection method and equipment thereof, it is characterized in that: after vacuum interrupter ceramic case has metallized, utilize special tension fixture pull bar to be welded on porcelain shell metalized portion, then use measurer for pulling force to break detection to porcelain shell degree of metallization.The step that this invention simplifies pottery destruction ceramic package when carrying out degree of metallization test is played, the danger that the noise pollution produced when avoiding destruction porcelain shell and porcelain shell produce when bursting apart, adopting new detection step to play makes detection more accurate, data collection is simple and effective with process, also improves the work efficiency of testing crew while having saved production human resources.
Description
Technical field
The present invention relates to a kind of vacuum interrupter metallization detection method and equipment thereof, belong to vacuum interrupter technical field.
Background technology
In prior art, vacuum interrupter ceramic package two ends need and metal solder, and the face of weld of vacuum interrupter needs to do metalized, could with the welding process of metal in make vacuum interrupter and metal contact close and firm, and sealed air-tight.But the standard doing degree of metallization test that neither one is unified at home now and method, the quality of vacuum interrupter is made to can not get effective monitoring, the investigation of vacuum interrupter through the later stage of existing inefficacy finds, quite a few is had to be because vacuum interrupter metalized portion is separated with porcelain shell, the vacuum interrupter premature failure caused.
Summary of the invention.
The object of the invention is to: overcome above-mentioned the deficiencies in the prior art, provide a kind of pull force calculation method for vacuum arc-extinction porcelain shell degree of metallization and device, this device utilizes the method for testing board, is applicable to all casts; Effectively can detect and record the quality of vacuum interrupter degree of metallization, and method is simple, practical.
The present invention is achieved through the following technical solutions: after vacuum interrupter ceramic case has metallized, and utilizes special tension fixture pull bar to be welded on porcelain shell metalized portion, then uses measurer for pulling force to break detection to porcelain shell degree of metallization.
Described vacuum interrupter metallization detection method, is characterized in that, comprises following step and plays:
After the metallization of A, vacuum arc-extinction porcelain shell, tension fixture is placed in metalized surface, jig arm is placed in the inside and outside both sides of porcelain shell respectively, by the cooperation of screw and jig arm, jig main body is fixed on porcelain shell, pilot hole on jig main body becomes vertical with needing the porcelain shell metalized surface of carrying out testing, pull bar is stretched into pilot hole, in welding hole, pull bar is welded, after confirming firm welding, take off fixture;
B, the porcelain shell having welded pull bar is positioned over puller system test board, one end that porcelain shell is welded with pull bar is placed downwards, and draw rod positions is connected with chucking device under measurer for pulling force by test board center pit, pull bar chucking device clamping pull bar, guarantee whole system level;
C, startup measurer for pulling force, under measurer for pulling force, chucking device is motionless, the traction of test board under tension machine moves upward, to pull bar and porcelain shell generation pulling force upwards, measurer for pulling force terminal makes record to whole pulling force and time, increase pulling force in time to increase gradually, until the position that railing and porcelain shell metalized portion combine is damaged because pulling force is excessive;
D, porcelain shell is rotated after repeat above A-C step and play another test point of porcelain shell is tested, until all points of test that needs complete the once experiment that test then completes whole porcelain shell on porcelain shell, puller system terminal record test data a little.
Above-mentioned vacuum interrupter metallization detection method, is characterized in that: vacuum arc-extinction porcelain shell carries out multi-point sampler when carrying out the test of degree of metallization to same porcelain shell.
Described vacuum interrupter metallization machines, is characterized in that: comprise the tension fixture for the welding of vacuum arc-extinction porcelain shell metalized surface, and porcelain shell is by tension fixture cylinder lever connecting rod; Also comprise the puller system test board for breaking test, vacuum arc-extinction porcelain shell is positioned on puller system test board, pull bar chucking device clamping pull bar.
Above-mentioned vacuum interrupter metallization machines, it is characterized in that: described special tension fixture comprises jig main body, and jig main body is provided with jig arm, has pilot hole in the center of jig main body, the below of pilot hole has welding hole near the position of jig arm, and jig arm has screw.
Compared with prior art, the present invention has following beneficial effect:
(1), when detecting, need first pull bar to be welded on vacuum arc-extinction porcelain shell, because pull bar and porcelain shell are not easily fixed, need vacuum arc-extinction porcelain shell to break into pieces in the past, the suitable fragment of selection size with carry out pull bar and weld.Because porcelain shell hardness is high, break difficulty into pieces, and the noise pollution caused when breaking into pieces is large, noise when porcelain shell is broken into pieces is 80-100 decibel, busy even can more than 100 decibels, and fragment splashes and easily makes injury to the skin of operating personnel and face.The present invention, when carrying out pull bar welding, uses Novel tensile fixture, simplifies prior art, do not need porcelain shell to destroy, directly pull bar is welded on the metallized surface of vacuum interrupter;
(2) when the present invention detects, whole vacuum arc-extinction porcelain shell is placed on monitor station, monitor station is horizontal, and whole device is horizontal, fractionlet fixes the pull bar being inconvenient to cause and pulling force not problem on one wire before avoiding, and makes testing result more credible;
(3) use pull force calculation equipment automatically record each tensile test result and carry out archive management, make convenient data processing, the later stage calls simply.
Accompanying drawing explanation
Accompanying drawing 1 tests schematic diagram for the present invention;
Accompanying drawing 2 is tension fixture schematic diagram of the present invention;
Accompanying drawing 3 is tension fixture side schematic view of the present invention;
Accompanying drawing 4 is porcelain shell of the present invention and pull bar connection diagram.
Be labeled as in accompanying drawing: 1-jig main body, 2-jig arm, 3-pilot hole, 4-welding hole, 5-screw
Embodiment
Embodiment: the present invention's tension fixture used: jig main body 1 is provided with double wall 2, double wall 2 has screw 5, jig main body center has pilot hole 3, and the position near double wall 2 below pilot hole 3 has welding hole 4, welding hole 4 internal diameter is larger than pilot hole 3 internal diameter, is pull bar welding headspace.
The present invention's measurer for pulling force used: measurer for pulling force is made up of test machine terminal and mechanism for testing two parts, terminal is for controlling the beginning of test process and completing, and the data of each test of record; Being test board below mechanism for testing, is test arm above mechanism for testing, test board is provided with porcelain shell chucking device, test arm is provided with pull bar chucking device.
Test process is as follows:
After the metallization of A, vacuum arc-extinction porcelain shell, tension fixture is placed in metalized surface, jig arm 2 is placed in the inside and outside both sides of porcelain shell respectively, by the cooperation of screw and jig arm 2, jig main body 1 is fixed on porcelain shell, pilot hole 3 on jig main body 1 becomes vertical with needing the porcelain shell metalized surface of carrying out testing, pull bar is stretched into pilot hole 3, in welding hole 4, pull bar is welded, after confirming firm welding, take off fixture;
B, the porcelain shell having welded pull bar is positioned over puller system test board, one end that porcelain shell is welded with pull bar is placed downwards, and draw rod positions is connected with chucking device under measurer for pulling force by test board center pit, pull bar chucking device clamping pull bar, guarantee whole system level;
C, startup measurer for pulling force, under measurer for pulling force, chucking device is motionless, the traction of test board under tension machine moves upward, to pull bar and porcelain shell generation pulling force upwards, measurer for pulling force terminal makes record to whole pulling force and time, increase pulling force in time to increase gradually, until the position that railing and porcelain shell metalized portion combine is damaged because pulling force is excessive;
D, porcelain shell is rotated after repeat above A-C step and play another test point of porcelain shell is tested, until all points of test that needs complete the once experiment that test then completes whole porcelain shell on porcelain shell.Whole test process carries out record by puller system terminal and preserves, after whole test completes, the pulling force situation of the multiple test point of each vacuum arc-extinction porcelain shell is contrasted, then the data of same batch of different porcelain shell are contrasted, contrast with different batches data in the past, to observe the metallized stability of vacuum arc-extinction porcelain shell or to find out suspicious points analysis from data again.
Claims (3)
1. a vacuum interrupter metallization detection method, it is characterized in that: after vacuum interrupter ceramic case has metallized, utilize special tension fixture pull bar to be welded on porcelain shell metalized portion, then use measurer for pulling force to break detection to porcelain shell degree of metallization;
Specifically comprise the following steps:
After the metallization of A, vacuum arc-extinction porcelain shell, tension fixture is placed in metalized surface, jig arm (2) is placed in the inside and outside both sides of porcelain shell respectively, by the cooperation of screw and jig arm (2), jig main body (1) is fixed on porcelain shell, pilot hole (3) on jig main body (1) becomes vertical with needing the porcelain shell metalized surface of carrying out testing, pull bar is stretched into pilot hole (3), in welding hole (4), pull bar is welded, after confirming firm welding, take off fixture;
B, the porcelain shell having welded pull bar is positioned over puller system test board, one end that porcelain shell is welded with pull bar is placed downwards, pull bar is connected with chucking device under measurer for pulling force by test board center pit, and under measurer for pulling force, chucking device clamping pull bar, ensures puller system test board level;
C, startup measurer for pulling force, under measurer for pulling force, chucking device is motionless, the traction of test board under tension machine moves upward, to pull bar and porcelain shell generation pulling force upwards, measurer for pulling force terminal makes record to whole pulling force and time, increase pulling force in time to increase gradually, until the position that railing and porcelain shell metalized portion combine is damaged because pulling force is excessive;
D, porcelain shell is rotated after repeat above A-C step and play another test point of porcelain shell is tested, until all points of test that needs complete the once experiment that test then completes whole porcelain shell on porcelain shell, puller system terminal record test data a little.
2. vacuum interrupter metallization detection method according to claims 1, is characterized in that: vacuum arc-extinction porcelain shell carries out multi-point sampler when carrying out the test of degree of metallization to same porcelain shell.
3. a vacuum interrupter metallization machines, is characterized in that: comprise the tension fixture for the welding of vacuum arc-extinction porcelain shell metalized surface, and porcelain shell is by tension fixture cylinder lever connecting rod; Also comprise the puller system test board for breaking test, vacuum arc-extinction porcelain shell is positioned on puller system test board, pull bar chucking device clamping pull bar; Described tension fixture comprises jig main body (1), jig main body (1) is provided with jig arm (2), have pilot hole (3) in the center of jig main body (1), the below of pilot hole (3) has welding hole (4) near the position of jig arm (2), jig arm (2) has screw (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210365724.7A CN102841015B (en) | 2012-09-27 | 2012-09-27 | Vacuum interrupter metallization detection method and equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210365724.7A CN102841015B (en) | 2012-09-27 | 2012-09-27 | Vacuum interrupter metallization detection method and equipment thereof |
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| CN102841015A CN102841015A (en) | 2012-12-26 |
| CN102841015B true CN102841015B (en) | 2016-01-06 |
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| CN201210365724.7A Active CN102841015B (en) | 2012-09-27 | 2012-09-27 | Vacuum interrupter metallization detection method and equipment thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559830A (en) * | 1984-03-29 | 1985-12-24 | Raymond Plummer | Testing device for fasteners |
| CN201153355Y (en) * | 2008-01-23 | 2008-11-19 | 安徽华东光电技术研究所 | Miniature pin sealing construction of ceramic body |
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2012
- 2012-09-27 CN CN201210365724.7A patent/CN102841015B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4559830A (en) * | 1984-03-29 | 1985-12-24 | Raymond Plummer | Testing device for fasteners |
| CN201153355Y (en) * | 2008-01-23 | 2008-11-19 | 安徽华东光电技术研究所 | Miniature pin sealing construction of ceramic body |
Non-Patent Citations (2)
| Title |
|---|
| "真空开关管用陶瓷管壳";高陇桥等;《SJ/T11246-2001 中华人民共和国电子行业标准》;20020131;第1-10页 * |
| "金属化瓷壳抗拉强度的探讨";王雷波;《真空电子技术》;20051231(第4期);第48-55页 * |
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| CN102841015A (en) | 2012-12-26 |
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