DE2730829C2 - Circuit for a glow discharge lamp - Google Patents
Circuit for a glow discharge lampInfo
- Publication number
- DE2730829C2 DE2730829C2 DE2730829A DE2730829A DE2730829C2 DE 2730829 C2 DE2730829 C2 DE 2730829C2 DE 2730829 A DE2730829 A DE 2730829A DE 2730829 A DE2730829 A DE 2730829A DE 2730829 C2 DE2730829 C2 DE 2730829C2
- Authority
- DE
- Germany
- Prior art keywords
- circuit
- resistor
- capacitor
- discharge lamp
- glow discharge
- Prior art date
- 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
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
hältnis zu dessen positiver Klemme wird. Diese Gleichspannung erreicht etwa 30 Volt in einem bestimmten Fall, in welchem die Wechselspannung U 220 Volt beträgt, der zweite Widerstand 11 eine Größe von 200 kOhm, der erste Widerstand 17 eine Größe von 700kOhm, der Kondensator 14 eine Kapazität von 1 Mikrofarad und die Glinunentladungslampe 10 eine Zündspannung von 90VoIt und eine Brennspannung von 50 Volt haben.relationship to its positive terminal. This direct voltage reaches about 30 volts in a certain case in which the alternating voltage U is 220 volts, the second resistor 11 is 200 kOhm, the first resistor 17 is 700 kOhm, the capacitor 14 has a capacity of 1 microfarad and the Glinun discharge lamp 10 have an ignition voltage of 90 volts and a burning voltage of 50 volts.
Wenn die Temperatur im Gefrierraum auf einen unzulässigen Wert ansteigt, soll die Glimmentladungslampe 10 intermittierend Licht abgeben. Zu diesem Zweck schließt der thermostatisch gesteuerte Schalter 15, so daß die von der Lampe 10 und dem Kondensator 14 gebildete Reihenschaltung überbrückt wird und der zweite Widerstand 11 unmittelbar an die Spannung U angeschlossen wird. Ferner fließt der Strom in dem vom ersten Widerstand 17, der Diode 18 und dem Kondensator 14 gebildeten Stromzweig nur während jener HaIbweilen der Spannung U, in denen der Po! 12 positiv ist 2C Dadurch sind verschiedene Perioden der Wechselspannung {/erforderlich, um den Kondensator 14 auf einen Wert entsprechend der Zündspannung der Lampe 10 aufzuladen. Wenn dieser Wert erreicht ist, wird die Lampe 10, die während der Ladevorgänge ausgeschaltet war, zünden, und der Kondensator 14 wird über einen niederohmigen Kreis entladen werden. Hierdurch wird der Lampe 10 ein großer Energiebetrag zur Umwandlung in Licht zugeführt Dies resultiert in einer hohen Intensität des abgegebenen Flackerlichts, das dadurch leicht sichtbar ist Wenn die Brennspannung der Lampe 10 unterschritten ist, wird die Lampe 10 erlöschen, und es beginnt ein erneuter Ladevorgang des Kondensators 14.If the temperature in the freezer compartment rises to an impermissible value, the glow discharge lamp 10 should emit light intermittently. For this purpose, the thermostatically controlled switch 15 closes so that the series circuit formed by the lamp 10 and the capacitor 14 is bridged and the second resistor 11 is connected directly to the voltage U. Furthermore, the current flows in the branch formed by the first resistor 17, the diode 18 and the capacitor 14 only during those halves of the voltage U in which the Po! 12 is positive 2C As a result, different periods of the alternating voltage {/ are required in order to charge the capacitor 14 to a value corresponding to the ignition voltage of the lamp 10. When this value is reached, the lamp 10, which was switched off during the charging processes, will ignite, and the capacitor 14 will be discharged via a low-resistance circuit. As a result, the lamp 10 is supplied with a large amount of energy for conversion into light.This results in a high intensity of the flickering light emitted, which is therefore easily visible Capacitor 14.
™ __ ™ __
riri
4545
Claims (2)
erten Schalters, die an eine Wechselspannungsquelle Erfindungsgemaß wird die Aufgabe bei einer gatangeschlossen ist und bei der ein erster Widerstand tungsgemäßen Schaltung durch im kennzeichnenden parallel zur Glimmentladungslampe und einem mit Teil des Patentanspruchs 1 angegebenen Merkmale gedieser in Reihe liegenden zweiten Widerstand ge- ίο löst1. To create a circuit for a glow discharge lamp of the generic type, which leads to clearly different depending on the position of a thermostat-controlled light signal of the glow discharge lamp for the emission of different light signals in different switch positions,
erten switch, which is connected to an AC voltage source according to the invention, the task is connected to a gate and in which a first resistor according to the circuit by in the characterizing parallel to the glow discharge lamp and one of the features specified in part of claim 1 of this series second resistor solves
angeschlossen ist und daß die mit der Wechselspan- Eine Schaltung gemäß der Erfindung wird nachstenungsqutJii (12,13) verbundene Klemme des Kon- hend in Verbindung mit der Zeichnung näher erläutert I densators (14) fiber den thermostatgesteuerten 20 Ue Zeichnungsfigur zeigt eine Schaltung für eine — Schalter (15) an eine Verbindungsstelle {tOa) zwi- Glimmentladungslampe 10 zur Benutzung in einem Gesehen der Glimmentladungslampe (10) und dem frierschrank oder einer Gefriertruhe und weist einen zweiten Widerstand (11) angeschlossen ist eingebauten Serienwiderstand 19 von der Größe einigerdete parallel connection in series with a condenser circuit is the subject of the claim!
is connected and that the terminal of the condenser (14) connected to the thermostat-controlled 20 Ue figure shows a circuit for a - Switch (15) connected to a junction {tOa) between glow discharge lamp 10 for use in a sight of the glow discharge lamp (10) and the freezer or freezer and has a second resistor (11) connected to a built-in series resistor 19 of the size of a few
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7607940A SE411966B (en) | 1976-07-12 | 1976-07-12 | COUPLING FOR A GLAMP LAMP INTENDED TO SHOW FAST OR FLASHING LIGHT |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2730829A1 DE2730829A1 (en) | 1978-01-19 |
DE2730829C2 true DE2730829C2 (en) | 1986-01-02 |
Family
ID=20328451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2730829A Expired DE2730829C2 (en) | 1976-07-12 | 1977-07-08 | Circuit for a glow discharge lamp |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2730829C2 (en) |
DK (1) | DK154390C (en) |
FR (1) | FR2358803A1 (en) |
GB (1) | GB1540518A (en) |
SE (1) | SE411966B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE9411753U1 (en) | 1994-07-20 | 1994-09-22 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Lamp circuit unit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK56237C (en) * | 1936-12-29 | 1939-05-30 | Philips Nv | Coupling to High Pressure Metal Vapor Discharge Tube for Recording or Playback of Picture Films or Tone Films. |
US3024386A (en) * | 1958-07-25 | 1962-03-06 | Karl Rath | Capacitor flash light system |
DE1133484B (en) * | 1959-11-27 | 1962-07-19 | Siemens Elektrogeraete Gmbh | Display device for the operational readiness and temperature of electrical heaters |
US3105362A (en) * | 1962-03-05 | 1963-10-01 | Gen Motors Corp | Refrigerating apparatus with indicating means |
US3260063A (en) * | 1964-07-31 | 1966-07-12 | Ryan Recording Thermometer Co | Warning system for temperature controlled craft compartment |
GB1087983A (en) * | 1964-09-10 | 1967-10-18 | Hermann Buchholz | Electronic flasher for signalling purposes |
US3518485A (en) * | 1967-04-14 | 1970-06-30 | United Carr Inc | Switch-controlled dual function indicator |
US3594752A (en) * | 1969-07-07 | 1971-07-20 | Gulton Ind Inc | Condition sensing and alarm unit and circuit therefor |
US3648103A (en) * | 1970-04-06 | 1972-03-07 | Copal Co Ltd | Device for indicating interruption of electrical service |
DE2157980A1 (en) * | 1971-11-23 | 1973-06-14 | Dual Gebrueder Steidinger | CONNECTION CIRCUIT FOR STROBOSCOPE GLOW LAMP |
-
1976
- 1976-07-12 SE SE7607940A patent/SE411966B/en not_active IP Right Cessation
-
1977
- 1977-07-08 DK DK310377A patent/DK154390C/en active
- 1977-07-08 GB GB28762/77A patent/GB1540518A/en not_active Expired
- 1977-07-08 DE DE2730829A patent/DE2730829C2/en not_active Expired
- 1977-07-12 FR FR7721524A patent/FR2358803A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2358803B1 (en) | 1981-07-31 |
DK154390C (en) | 1989-04-10 |
GB1540518A (en) | 1979-02-14 |
FR2358803A1 (en) | 1978-02-10 |
DK310377A (en) | 1978-01-13 |
SE411966B (en) | 1980-02-11 |
DE2730829A1 (en) | 1978-01-19 |
SE7607940L (en) | 1978-01-13 |
DK154390B (en) | 1988-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8128 | New person/name/address of the agent |
Representative=s name: KIRSCHNER, K., DIPL.-PHYS. GROSSE, W., DIPL.-ING., |
|
8110 | Request for examination paragraph 44 | ||
8125 | Change of the main classification |
Ipc: H01J 17/36 |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |