DE4034962C1 - Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament - Google Patents

Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament

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Publication number
DE4034962C1
DE4034962C1 DE19904034962 DE4034962A DE4034962C1 DE 4034962 C1 DE4034962 C1 DE 4034962C1 DE 19904034962 DE19904034962 DE 19904034962 DE 4034962 A DE4034962 A DE 4034962A DE 4034962 C1 DE4034962 C1 DE 4034962C1
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Germany
Prior art keywords
filament
resistance
acceleration
hollow body
gas
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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DE19904034962
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German (de)
Inventor
Rainer 8027 Neuried De Pippig
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Individual
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Individual
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Priority to DE19904034962 priority Critical patent/DE4034962C1/en
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/006—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of fluid seismic masses
    • G01P15/008—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of fluid seismic masses by using thermal pick-up
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P15/12—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by alteration of electrical resistance

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

A method for testing a gas-filled hollow bulb, with a coiled or straight incandescent filament through which a current flows, is applied for monitoring filler gas composition, filling pressure and centrality of the filament. The hollow bulb is subjected to an acceleration. The resistance alteration produced in the filament is measured. The position of the bulb is altered, and the resulting alteration in the resistance of the filament is measured. USE/ADVANTAGE - Quick, exact and cost effective monitoring of bulb parameters without destruction.

Description

Stand der TechnikState of the art

Um die wesentlichen Eigenschaften eines gasgefüllten Hohlkörpers mit stromdurchflossener Glühwendel oder Glühfaden (außer der Leistung) zu messen (ob z. B. der Fülldruck korrekt ist, ob die prozentuale Zusammensetzung der Füllgase stimmt, ob der Glühfaden oder die Glühwendel mittig angebracht ist u. ä.), sind nach Angaben aus der Industrie eine Reihe von Messungen nötig, die letztendlich die Lampe zerstören, also nur stichprobenartig gemacht werden können. Als Alternative steht zwar eine zerstörungsfreie Messung zur Bestimmung des Gasdrucks mittels Interferometrie zur Verfügung, die aber einen enormen zeitlichen, apparativen und damit finanziellen Aufwand voraussetzt, s. z. B. US 47 59 630.To the essential properties of a gas-filled hollow body with current-carrying filament or filament (except for the power) measure (e.g. whether the filling pressure is correct, whether the percentage composition The filling gases are correct, whether the filament or the filament is attached in the middle u. Ä.), according to industry, are a number of measurements that ultimately destroy the lamp, i.e. only on a random basis can be made. The alternative is non-destructive Measurement to determine gas pressure using interferometry available, but an enormous temporal, apparatus and thus requires financial effort, s. e.g. B. US 47 59 630.

Die Aufgabe, eine schnelle, exakte und kostengünstige Erfassung und Überprüfung der oben aufgeführten Parameter ohne Zerstörung des gasgefüllten Hohlkörpers durchzuführen, wird durch meine Methode gelöst. Es könnte sogar während des Fertigungsprozesses z. B. jede einzelne Glühbirne durch meine Methode geprüft werden.The task of a fast, accurate and inexpensive registration and Checking the parameters listed above without destroying the gas-filled Carrying out a hollow body is solved by my method. It could even z during the manufacturing process. B. every single light bulb be checked by my method.

ErläuterungExplanation

Die Methode beruht auf Messung der Widerstandsänderung, die durch die Strömung der Füllgase (Konvektion) hervorgerufen wird. Der Effekt ist aus der DE-AS 12 44 452 bekannt. Bei ruhendem Hohlkörper sorgt diese Konvektion je nach Lage des Hohlkörpers (stehend oder hängend) bzw. nach Lage der Glühwendel oder des Glühfadens (horizontal oder vertikal) für eine andere Temperatur der Glühwendel oder des Glühfadens und damit für eine Widerstandsänderung, die z. B. über eine hochempfindliche Wheatstone-Brücke mit einem abgestimmten Interface von jedem gängigen Computer (PC) über ein Meß- und Auswertungsprogramm gemessen werden kann (weder das Interface noch das Programm sind Gegenstand der Patentanmeldung). Jede Beschleunigung des Hohlkörpers (sogar im mm-Bereich) sorgt in kürzester Zeit wegen der Trägheit der verschiedenen Füllgase in Abhängigkeit vom Fülldruck für eine Temperaturänderung und damit für eine Widerstandsänderung, d. h. durch eine definierte Bewegung (z. B. pendeln) kann für jede angelegte Spannung eine spezifische Ist-Kurve des jeweiligen Hohlkörpers aufgenommen und mit einer Soll-Kurve verglichen werden. Die Wendel oder der Draht müssen dabei noch nicht einmal sichtbar glühen. The method is based on measuring the change in resistance caused by the flow of the filling gases (convection) is caused. The effect is from DE-AS 12 44 452 known. When the hollow body is at rest, this convection takes place depending on the position of the hollow body (standing or hanging) or depending on the position of the filament or the Filament (horizontal or vertical) for a different temperature of the Filament or filament and thus for a change in resistance, the z. B. over a highly sensitive Wheatstone bridge with a matched Interface from any common computer (PC) via a measurement and evaluation program can be measured (neither that Interface and the program are the subject of the patent application). Every acceleration of the hollow body (even in the mm range) ensures depending on the inertia of the different filling gases the filling pressure for a temperature change and thus for a change in resistance, d. H. through a defined movement (e.g. commuting) can create a specific actual curve for each voltage applied Hollow body recorded and compared with a target curve. The The filament or wire does not even have to glow visibly.  

Zur genauen Erläuterung sei folgendes Meßbeispiel angegeben (Fig. 1 und Fig. 2): zwei Halogenlampen mit 10,7 bar Krypton-Füllung führten jeweils eine einfache Pendelbewegung aus (die untere Kurve in beiden Figuren zeigt die Identität der Pendelbewegung). Die oberen Kurven zeigen einen signifikanten Unterschied im Kurvenverlauf in den beiden t-U-Diagrammen (nach rechts ist die Zeit, nach oben die verstärkte Spannung in der Meßbrücke angegeben) je nachdem, ob 0,15% C₂H₅J (Fig. 1) oder 0,005% CBrClF₂ (Fig. 2) dem Füllgas Krypton beigemischt war.The following measurement example is given for a precise explanation ( Fig. 1 and Fig. 2): two halogen lamps with 10.7 bar Krypton filling each carried out a simple pendulum movement (the lower curve in both figures shows the identity of the pendulum movement). The upper curves show a significant difference in the course of the curve in the two tU diagrams (to the right is the time, upwards the increased voltage in the measuring bridge is indicated) depending on whether 0.15% C₂H₅J ( Fig. 1) or 0.005% CBrClF₂ ( Fig. 2) was added to the filling gas Krypton.

Weitere Ausgestaltung der ErfindungFurther embodiment of the invention

Einsatz von gasgefüllten Hohlkörpern als Beschleunigungsindikator oder -messer (z. B. für die Auslösung beim Airbag u. ä.) als besonders kostengünstige und einfache Meßmethode.Use of gas-filled hollow bodies as an acceleration indicator or knife (e.g. for triggering the airbag, etc.) as particularly inexpensive and simple measurement method.

Claims (8)

1. Verfahren zur Prüfung eines gasgefüllten Hohlkörpers mit einer stromdurchflossenen Glühwendel oder eines stromdurchflossenen Glühfadens in Bezug auf Füllgaszusammensetzung, Fülldruck und Mittigkeit der Glühwendel oder des Glühfadens dadurch gekennzeichnet, daß der Hohlkörper einer Beschleunigung ausgesetzt wird und die durch diese Beschleunigung hervorgerufene Widerstandsänderung der Glühwendel oder des Glühfadens gemessen wird.1. A method for testing a gas-filled hollow body with a current-carrying filament or a current-carrying filament with respect to filling gas composition, filling pressure and center of the filament or filament, characterized in that the hollow body is subjected to an acceleration and the change in resistance of the filament or the resistance caused by this acceleration Filament is measured. 2. Verfahren zur Prüfung eines gasgefüllten Hohlkörpers mit einer stromdurchflossenen Glühwendel oder eines stromdurchflossenen Glühfadens in Bezug auf Lage der Glühwendel oder des Glühfadens dadurch gekennzeichnet, daß die Lage des gasgefüllten Hohlkörpers verändert wird und die dadurch hervorgerufene Widerstandsänderung der Glühwendel oder des Glühfadens gemessen wird.2. Method for testing a gas-filled hollow body with a current-carrying one Incandescent filament or a current-carrying filament in relation to location the filament or filament characterized in that the position of the gas-filled hollow body is changed and the resultant Change in resistance of the filament or filament measured becomes. 3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Prüfung an einer Glühbirne als Spezialfall des gasgefüllten Hohlkörpers vorgenommen wird.3. The method according to claim 1 or 2, characterized in that the test was carried out on a light bulb as a special case of the gas-filled hollow body becomes. 4. Verfahren nach Anspruch 1 oder 3, dadurch gekennzeichnet, daß die Beschleunigung als Pendelbewegung erfolgt.4. The method according to claim 1 or 3, characterized in that the acceleration takes place as a pendulum motion. 5. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Messung der Widerstandsänderung mit einer Brückenschaltung durchgeführt wird.5. The method according to any one of the preceding claims, characterized in that the measurement of the change in resistance is carried out with a bridge circuit becomes. 6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß es mit Computer-Unterstützung automatisch durchgeführt wird.6. The method according to any one of the preceding claims, characterized in that it is done automatically with computer support. 7. Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß eine gemessene IST-Kurve für die Widerstandsänderung mit einer gespeicherten SOLL-Kurve verglichen wird.7. The method according to claim 6, characterized in that a measured actual curve for the change in resistance with a saved one TARGET curve is compared. 8. Verwendung des Verfahrens 1, dadurch gekennzeichnet, daß es bei einer Beschleunigungsmessung eingesetzt wird.8. Use of method 1, characterized in that it is used for an acceleration measurement.
DE19904034962 1990-11-02 1990-11-02 Quality control testing procedure for incandescent lamps - subjecting bulb to acceleration and measuring resultant change in resistance of filament Expired - Lifetime DE4034962C1 (en)

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Application Number Priority Date Filing Date Title
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DE4034962C1 true DE4034962C1 (en) 1992-06-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243978C1 (en) * 1992-12-23 1994-01-05 Ploechinger Heinz Dipl Ing Fh Inclination and acceleration detector with fluid sensor element - has high sensitivity temp.-responsive resistors in fluid-filled capsule with bridge circuit signal evaluation
DE19505104A1 (en) * 1995-02-15 1996-08-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method and arrangement for determining the purity and / or pressure of gases for electric lamps
WO2004005942A1 (en) * 2002-07-05 2004-01-15 Robert Bosch Gmbh Temperature sensing device for detecting an acceleration or shock provided with a heating unit, and associated method
DE102004040003B4 (en) * 2004-08-18 2007-09-06 Plöchinger, Heinz, Dipl.-Ing. Sensor based on thermodynamic effects for detecting the position in space and / or for detecting an acceleration and / or quantities that can be attributed to an acceleration, and methods for producing and calibrating such sensors

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE239085C (en) *
DE568154C (en) * 1931-02-10 1933-01-14 Siemens & Halske Akt Ges Bridge circuit with at least two electrically heated branch resistors and a cross-coil instrument
DE606823C (en) * 1931-02-02 1934-12-11 Charles Engelhard Inc Device for testing a gas mixture
DE1244452B (en) * 1964-01-31 1967-07-13 Philips Nv Device for measuring linear accelerations
DE1249566B (en) * 1967-09-07
US3616677A (en) * 1968-08-28 1971-11-02 Asbjorn Oppegaard Electrical resistance bridge with a heat sensitive resistor for the measurement of the thermal dispersion within the ambience of the resistor
DE3131210A1 (en) * 1981-08-06 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Testing lamps for incursions of air into the glass tube (bulb)
US4759630A (en) * 1985-07-31 1988-07-26 Kabushiki Kaisha Toshiba Lamp quality judgement apparatus and judgement method therefor
DD278675A1 (en) * 1988-12-23 1990-05-09 Narva Rosa Luxemburg K MEASURING METHOD AND APPARATUS FOR DETERMINING THE INCREASE OF TILES FOR ELECTRICAL LAMPS AND FOR DETECTING SHORT-PERFORMANCE INCORRECTION FAILURES

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE239085C (en) *
DE1249566B (en) * 1967-09-07
DE606823C (en) * 1931-02-02 1934-12-11 Charles Engelhard Inc Device for testing a gas mixture
DE568154C (en) * 1931-02-10 1933-01-14 Siemens & Halske Akt Ges Bridge circuit with at least two electrically heated branch resistors and a cross-coil instrument
DE1244452B (en) * 1964-01-31 1967-07-13 Philips Nv Device for measuring linear accelerations
US3616677A (en) * 1968-08-28 1971-11-02 Asbjorn Oppegaard Electrical resistance bridge with a heat sensitive resistor for the measurement of the thermal dispersion within the ambience of the resistor
DE3131210A1 (en) * 1981-08-06 1983-02-24 Siemens AG, 1000 Berlin und 8000 München Testing lamps for incursions of air into the glass tube (bulb)
US4759630A (en) * 1985-07-31 1988-07-26 Kabushiki Kaisha Toshiba Lamp quality judgement apparatus and judgement method therefor
DD278675A1 (en) * 1988-12-23 1990-05-09 Narva Rosa Luxemburg K MEASURING METHOD AND APPARATUS FOR DETERMINING THE INCREASE OF TILES FOR ELECTRICAL LAMPS AND FOR DETECTING SHORT-PERFORMANCE INCORRECTION FAILURES

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Title
GB-Z: Lighting Research and Technology, Vol.5, No.3, 1973, S.156-159 *
STOCKER, B.J. *
WESTON, G.F.: The Effect of accele-ration on a filamentary discharge in inert gases. In: J.SCI. INSTRUM. Vol.43, H.12, 1966, S.913-916 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243978C1 (en) * 1992-12-23 1994-01-05 Ploechinger Heinz Dipl Ing Fh Inclination and acceleration detector with fluid sensor element - has high sensitivity temp.-responsive resistors in fluid-filled capsule with bridge circuit signal evaluation
DE19505104A1 (en) * 1995-02-15 1996-08-22 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method and arrangement for determining the purity and / or pressure of gases for electric lamps
WO2004005942A1 (en) * 2002-07-05 2004-01-15 Robert Bosch Gmbh Temperature sensing device for detecting an acceleration or shock provided with a heating unit, and associated method
DE102004040003B4 (en) * 2004-08-18 2007-09-06 Plöchinger, Heinz, Dipl.-Ing. Sensor based on thermodynamic effects for detecting the position in space and / or for detecting an acceleration and / or quantities that can be attributed to an acceleration, and methods for producing and calibrating such sensors
US7497118B2 (en) 2004-08-18 2009-03-03 Heinz Ploechinger Sensors for detecting position, inclination to perpendicular, movement and acceleration based on thermodynamic effects and method for operating and for manufacturing said sensors

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