CN103743533A - Bulb leakage detecting method, bulb leakage detecting system and bulb leakage detecting device - Google Patents
Bulb leakage detecting method, bulb leakage detecting system and bulb leakage detecting device Download PDFInfo
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- CN103743533A CN103743533A CN201310756775.7A CN201310756775A CN103743533A CN 103743533 A CN103743533 A CN 103743533A CN 201310756775 A CN201310756775 A CN 201310756775A CN 103743533 A CN103743533 A CN 103743533A
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Abstract
The invention discloses a bulb leakage detecting method, a bulb leakage detecting system and a bulb leakage detecting device. A high-voltage electrode is respectively arranged inside and outside a bulb shell; when a bulb has no crack, the internal electrode and the external electrode are separated by the wall of the bulb shell and cannot discharge, and the voltage and/or current between the internal electrode and the external electrode are/is at a stable state; when the bulb has a crack, the internal electrode and the external electrode break through air to discharge, the voltage and/or current between the internal electrode and the external electrode change(s), and thus whether the bulb shell has a defect can be judged. According to the bulb leakage detecting method, the bulb leakage detecting system and the bulb leakage detecting device, the bulb is detected according to a high-voltage discharge principle; as the high-voltage discharge technology is mature, the condition that the voltage is instable or test is instable does not exist, so that the detection accuracy is high; in addition, the bulb can be tested after just being connected with an exhaust pipe or other parts without waiting for completion of overall production, thus the waste of resources is reduced, and the processing efficiency is improved.
Description
Technical field
The present invention relates to a kind of Lamp bulb case checkout equipment, be specifically related to a kind of bulb leak hunting method and system and its apparatus.
Background technology
Bulb or cell-shell will carry out the quality inspection of multinomial qualified index before dispatching from the factory, and detect cell-shell and whether gas outlet sintering position exists gap.
Whether whether present normally used detection method is hydraulic pressure detection method, is filled with the aqueous medium of rated pressure in cell-shell, detect cell-shell internal pressure and change with cell-shell outside and leaks, thereby judge whether gap of bulb.After test, aqueous medium easily remains in cell-shell, and lower one manufacturing procedure impacted, and is unfavorable for improving working (machining) efficiency.
Apply in addition on the market manual arc discharge detection method and fill helium leak check method of testing, the detection method of manual arc electric discharge is: place a conductor in cell-shell, the arcing end of hand-held sparker is near cell-shell gas outlet joint; When joint has gap, arcing end can puncture gap air to conductive discharge, at place, gap, there will be relatively bright arc light, with the naked eye observable, and whether with the method, detect cell-shell has gas leakage.But this method efficiency is too low, and easily undetected.And it is too high to fill helium method cost, cannot be applied in the detection of low cost light source.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of bulb leak hunting method of good test effect.
The technical solution adopted for the present invention to solve the technical problems is:
A method for bulb leak detection, comprises the following steps:
A, by one or both ends not yet the cell-shell of clamp fix;
B, will be placed in respectively the inside and outside of cell-shell with high-tension internal and external electrode, the voltage between internal and external electrode at least can puncture the air that 0.5mm is thick but be not enough to puncture cell-shell;
Voltage and/or the curent change at C, detection internal and external electrode two ends also compares with a setting value, when bulb is seamless, voltage and/or electric current and setting value be relatively a specified constant, when there is gap in bulb, internal and external electrode punctures air and discharges, voltage and/or electric current and setting value be relatively greater than or less than above-mentioned specified constant.
Technique scheme also has the following technical scheme of improving: interior electrode and/or external electrode are surrounded on the link position of cell-shell and gas outlet; Adopt arc generator to be connected with internal and external electrode, and output HIGH voltage.
A kind of bulb leak detection system, comprise the interior electrode that can stretch into cell-shell inside and the external electrode that is positioned at cell-shell outside, inside and outside electrode is connected with the electrode of an arc generator output terminal simultaneously, described arc generator and one can detect the testing circuit that inside and outside electrode voltage changes and be connected, and testing circuit is internal, voltage and/or electric current between external electrode compare and export comparison signal.
In the present invention, described testing circuit comprises the feedback circuit being connected with arc generator, the comparator circuit that feedback circuit information is compared and according to the signal output apparatus of comparative result output signal.Described arc generator is connected with one drive circuit.
A kind of bulb leakage detection apparatus, comprise for the fixture of fixing cell-shell, can stretch into electrode in the needle-like in cell-shell and be positioned at the external electrode of cell-shell outside, described interior electrode is connected with the electrode of arc generator output terminal respectively with external electrode, on described arc generator, be connected with detecting device, the output detection signal of described detecting device.
Further, described interior electrode is connected with driving the driving mechanism himself moving respectively with external electrode.
Further, described cell-shell is provided with electric leakage insulating protective cover outward.
The invention has the beneficial effects as follows: the present invention is provided with respectively high-field electrode in the inside and outside of cell-shell, when not there is not gap in bulb, internal and external electrode is separated by cell-shell wall, cannot discharge, voltage between the two and/or electric current are in steady state (SS), and when bulb exists gap, internal and external electrode punctures air and discharges, voltage and/or electric current between the two change, thereby can judge cell-shell existing problems.The present invention adopts the principle of effluve to detect bulb, due to effluve technology maturation, there is not voltage instability or test unstable situation, the accuracy rate detecting is high, and the present invention can test at once after bulb is just connected with gas outlet or other parts, without waiting until that integral production completes, reduced the waste of resource, improved working (machining) efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the present invention is further described:
Fig. 1 is the structural representation of dual-end bulb.
Embodiment
With reference to Fig. 1, the bulb leak hunting method of a kind of good test effect provided by the present invention, it comprises the following steps:
A, by fixture 8 or other holders playing the role of positioning, by one or both ends, not yet the cell-shell 1 of clamp is fixing, and this bulb can be laterally or be vertically fixing, and a demanding party just stretches into interior electrode 2 from opening;
B, will be with high-tension internal and external electrode 2, 3 are placed in respectively the inside and outside of cell-shell 1, interior electrode 2 is needle-like or rod shape, can be placed into the center of cell-shell 1 or from being close to cell-shell 1 inwall, described external electrode 2 is surrounded on the link position of cell-shell 1 and gas outlet, when two electrodes lean on closelyer, required voltage is less, in the present embodiment, internal and external electrode 2, voltage between 3 at least can puncture the air that 0.5mm is thick but be not enough to puncture cell-shell 1, its magnitude of voltage is between 3KV～10KV, be preferably 5KV, its size regulates according to the wall thickness of different cell-shells 1.In order to reach better steady testing effect, internal and external electrode 2,3 is directly connected with the arc generator 4 of being made by high voltage package, these arc generator 4 technology maturations, and voltage stabilization, feeds back sensitive.
Voltage and/or the curent change at C, detection internal and external electrode 2,3 two ends also compares with a setting value; When bulb is seamless, voltage and/or electric current and setting value be relatively a specified constant; When bulb exists gap, internal and external electrode 2,3 punctures air and discharges, voltage and/or electric current and setting value be relatively greater than or less than above-mentioned specified constant.
For example the voltage of internal and external electrode 2,3 is 5KV under normal circumstances, and high voltage package internal feedback coil is mutual inductor, and the voltage at its two ends is about 30V.When cell-shell exists gap, internal and external electrode punctures air and discharges, and cause electrode 2,3 both end voltage to reduce, and tickler both end voltage also can be ensued variation, thereby judging cell-shell exists gap, as waste disposal.
A kind of bulb leak detection system that uses above-mentioned method of testing, comprise the interior electrode 2 that can stretch into cell-shell 1 inside and the external electrode 3 that is positioned at cell-shell 1 outside, internal and external electrode 2,3 is connected with the electrode of arc generator 4 output terminals simultaneously, arc generator 4 is connected with one drive circuit 7, the testing circuit 5 that described arc generator 4 and can detect internal and external electrode 2,3 change in voltage is connected, and described testing circuit 5 comprises the feedback circuit being connected with arc generator 4, the comparator circuit that feedback circuit information is compared and according to the signal output apparatus of comparative result output signal.When after arc generator 4 energising, whether the voltage of testing circuit 5 between can automatic decision internal and external electrode 2,3 changes, and exports corresponding signal.
A kind of bulb leakage detection apparatus that coordinates above-mentioned test macro to use, comprise for the fixture 8 of fixing cell-shell, can stretch in the needle-like in cell-shell 1 electrode 2 and be positioned at the external electrode 3 that cell-shell 1 outside is circle shape, described interior electrode 2 is connected with the electrode of arc generator 4 output terminals respectively with external electrode 3, on described arc generator 4, be connected with testing circuit 5, the output detection signal of described testing circuit 5.Herein, fixture 8 can adopt other parts that can play location cell-shell 1 such as positioning seat to replace, and because internal and external electrode 2,3 has high voltage, therefore, fixture 8 or cell-shell 1 are provided with the insulating element that can completely cut off electric arc.For convenient, test one by one bulb, described interior electrode 2 is connected with driving the driving mechanism himself moving respectively with external electrode 3, conveniently electrode is stretched into the inside and outside of cell-shell 1.The signal output part of described testing circuit 5 is connected with the cutting agency that cell-shell 1 is taken out from test station, and cutting agency judges cell-shell 1 is sent into waste product district or finished product district according to signal.
The foregoing is only preferential embodiment of the present invention, as long as within the technical scheme that realizes the object of the invention with basic identical means all belongs to protection scope of the present invention.
Claims (9)
1. a bulb leak hunting method, is characterized in that comprising the following steps:
A, by one or both ends, not yet the cell-shell of clamp (1) is fixing;
B, will be placed in respectively the inside and outside of cell-shell (1) with high-tension internal and external electrode (2,3), the voltage between internal and external electrode (2,3) at least can puncture the air that 0.5mm is thick but be not enough to puncture cell-shell (1);
Voltage and/or the curent change at C, detection internal and external electrode (2,3) two ends also compares with a setting value; When bulb is seamless, voltage and/or electric current and setting value be relatively a specified constant; When bulb exists gap, internal and external electrode (2,3) punctures air and discharges, voltage and/or electric current and setting value be relatively greater than or less than above-mentioned specified constant.
2. a kind of bulb leak hunting method according to claim 1, is characterized in that: interior electrode (2) and/or external electrode (3) are surrounded on the link position of cell-shell (1) and gas outlet.
3. a kind of bulb leak hunting method according to claim 1 and 2, is characterized in that: adopt arc generator (4) to be connected with internal and external electrode (2,3), and output HIGH voltage.
4. a bulb leak detection system, it is characterized in that: comprise and can stretch into the inner interior electrode (2) of cell-shell (1) and be positioned at the outside external electrode (3) of cell-shell (1), internal and external electrode (2,3) is connected with the electrode of an arc generator (4) output terminal simultaneously, the testing circuit (5) that described arc generator (4) and can detect internal and external electrode (2,3) change in voltage is connected, and testing circuit (5) compares and export comparison signal (6) to the voltage between internal and external electrode (2,3) and/or electric current.
5. a kind of bulb leak detection system according to claim 4, is characterized in that: described testing circuit (5) comprises the feedback circuit being connected with arc generator (4), the comparator circuit that feedback circuit information is compared and according to the signal output apparatus of comparative result output signal.
6. according to a kind of bulb leak detection system described in claim 4 or 5, it is characterized in that: described arc generator (4) is connected with one drive circuit (7).
7. a bulb leakage detection apparatus, it is characterized in that: comprise for the fixture (8) of fixing cell-shell, can stretch into electrode (2) in the needle-like in cell-shell (1) and be positioned at the external electrode (3) of cell-shell (1) outside, described interior electrode (2) is connected with the electrode of arc generator (4) output terminal respectively with external electrode (3), on described arc generator (4), be connected with testing circuit (5), the output detection signal of described testing circuit (5).
8. a kind of bulb leakage detection apparatus according to claim 7, is characterized in that: described interior electrode (2) is connected with driving the driving mechanism himself moving respectively with external electrode (3).
9. according to a kind of bulb leakage detection apparatus described in claim 7 or 8, it is characterized in that: described external electrode (3) is circle shape and is surrounded on cell-shell (1) and the junction of gas outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756775.7A CN103743533A (en) | 2013-12-28 | 2013-12-28 | Bulb leakage detecting method, bulb leakage detecting system and bulb leakage detecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310756775.7A CN103743533A (en) | 2013-12-28 | 2013-12-28 | Bulb leakage detecting method, bulb leakage detecting system and bulb leakage detecting device |
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| CN103743533A true CN103743533A (en) | 2014-04-23 |
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| CN201310756775.7A Pending CN103743533A (en) | 2013-12-28 | 2013-12-28 | Bulb leakage detecting method, bulb leakage detecting system and bulb leakage detecting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105973549A (en) * | 2016-06-04 | 2016-09-28 | 陈志刚 | Electrode leak detection device |
| CN109174688A (en) * | 2018-09-04 | 2019-01-11 | 湖南正中制药机械有限公司 | A kind of Flat plastic bottle electronics leak detection system |
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| CN1650185A (en) * | 2002-04-26 | 2005-08-03 | 株式会社东芝 | Method for diagnosing deterioration of coil and system for diagnosing deterioration of coil |
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| CN201476945U (en) * | 2009-07-08 | 2010-05-19 | 吴美娟 | Rapid waterproof performance detection device for LED blister lamps |
| CN201628613U (en) * | 2009-12-10 | 2010-11-10 | 保定来福汽车照明有限公司 | Detector for bulb air tightness |
| CN103149000A (en) * | 2013-02-28 | 2013-06-12 | 江苏斯莱特电器有限公司 | Air leakage detection device before inflating lamp wick of halogen lamp |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2827382A1 (en) * | 2001-07-12 | 2003-01-17 | Ateq | Ultraviolet ray fault detector for plastic bottles of similar liquid containers, use internal and external electrodes former to ionize container air, latter to detect escaping ionized air |
| CN1650185A (en) * | 2002-04-26 | 2005-08-03 | 株式会社东芝 | Method for diagnosing deterioration of coil and system for diagnosing deterioration of coil |
| CN1963427A (en) * | 2006-12-06 | 2007-05-16 | 中国科学院电工研究所 | Apparatus for testing weeping of plastic fluid container |
| DE202008000382U1 (en) * | 2008-01-10 | 2008-07-10 | tantec Oberflächenbehandlung GmbH | Leak detection device |
| CN201476945U (en) * | 2009-07-08 | 2010-05-19 | 吴美娟 | Rapid waterproof performance detection device for LED blister lamps |
| CN201628613U (en) * | 2009-12-10 | 2010-11-10 | 保定来福汽车照明有限公司 | Detector for bulb air tightness |
| CN103149000A (en) * | 2013-02-28 | 2013-06-12 | 江苏斯莱特电器有限公司 | Air leakage detection device before inflating lamp wick of halogen lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973549A (en) * | 2016-06-04 | 2016-09-28 | 陈志刚 | Electrode leak detection device |
| CN109174688A (en) * | 2018-09-04 | 2019-01-11 | 湖南正中制药机械有限公司 | A kind of Flat plastic bottle electronics leak detection system |
| CN109174688B (en) * | 2018-09-04 | 2024-01-02 | 湖南正中制药机械有限公司 | Plastic flat bottle electronic leakage detection system |
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Application publication date: 20140423 |