DE20008408U1 - LED arrangement with a power supply - Google Patents

LED arrangement with a power supply

Info

Publication number
DE20008408U1
DE20008408U1 DE20008408U DE20008408U DE20008408U1 DE 20008408 U1 DE20008408 U1 DE 20008408U1 DE 20008408 U DE20008408 U DE 20008408U DE 20008408 U DE20008408 U DE 20008408U DE 20008408 U1 DE20008408 U1 DE 20008408U1
Authority
DE
Germany
Prior art keywords
light
emitting diode
parallel
capacitor
power supply
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 - Lifetime
Application number
DE20008408U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fischer Licht & Metall & GmbH
Original Assignee
Fischer Licht & Metall & GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fischer Licht & Metall & GmbH filed Critical Fischer Licht & Metall & GmbH
Priority to DE20008408U priority Critical patent/DE20008408U1/en
Publication of DE20008408U1 publication Critical patent/DE20008408U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Leuchtdiodenanordnung mit einer Leuchtdiodeneinheit (3) und einem Netzgerät (12) zur Stromversorgung aus einer Netzspannung, dadurch gekennzeichnet, dass
das Netzgerät im wesentlichen
einen ersten Kondensator (C1) zur Glättung einer Netz­ spannung, der direkt an eine Netzspannungsquelle geschaltet ist,
einen parallel zu dem ersten Kondensator (C1) geschalte­ ten hochohmigen Widerstand (R1) zur Strombegrenzung,
eine Gleichrichterschaltung (2), die über Eingangsan­ schlüsse (8) an die Netzspannung geschaltet ist und zur Er­ zeugung einer Versorgungsgleichspannung dient,
einen zweiten Kondensator (C2), der an den Ausgangsan­ schlüssen (4) der Gleichrichterschaltung (2) parallel ge­ schaltet ist,
einen parallel zu dem zweiten Kondensator (C2) geschal­ teten nichtlinearen Spannungsteiler (11), der eine erste Ze­ ner-Diode (9) mit einem Vorwiderstand (R3) aufweist, und
einen Bipolartransistor (T) aufweist, wobei die Leuchtdiodeneinheit (3) mindestens eine Leuch­ dioden-Reihenschaltung aufweist, die in der Kollektor-Basis-. Strecke des Bipolartransistors (T) liegt, und
wobei der nichtlineare Spannungsteiler (11) mit dem Basisan­ schluß des Bipolartransistors (3) verbunden ist.
1. light-emitting diode arrangement with a light-emitting diode unit ( 3 ) and a power supply unit ( 12 ) for the power supply from a mains voltage, characterized in that
the power supply essentially
a first capacitor (C1) for smoothing a mains voltage, which is connected directly to a mains voltage source,
a high-resistance resistor (R1) connected in parallel with the first capacitor (C1) for current limitation,
a rectifier circuit ( 2 ), which is connected via input connections ( 8 ) to the mains voltage and is used to generate a DC supply voltage,
a second capacitor (C2) which is connected in parallel to the output connections ( 4 ) of the rectifier circuit ( 2 ),
a parallel to the second capacitor (C2) switched non-linear voltage divider ( 11 ), which has a first Zener diode ( 9 ) with a series resistor (R3), and
has a bipolar transistor (T), the light-emitting diode unit ( 3 ) having at least one light-emitting diode series circuit which is in the collector base. Distance of the bipolar transistor (T) lies, and
wherein the non-linear voltage divider ( 11 ) with the base connection of the bipolar transistor ( 3 ) is connected.
2. Leuchtdiodenanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Leuchtdiodeneinheit (3) aus mehreren Leuchtdioden-Reihen besteht, die zueinander parallel geschaltet sind.2. Light-emitting diode arrangement according to claim 1, characterized in that the light-emitting diode unit ( 3 ) consists of several light-emitting diode rows which are connected in parallel to one another. 3. Leuchtdioden nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die erste Zener-Diode (9) parallel zu der Basis-Emitter- Strecke des Bipolartransistors (T) und in Reihe zu dem Vor­ widerstand (R3) geschaltet ist, wobei der nichtlineare Span­ nungsteiler (11) mit dem Bipolartransistor (T) eine Strombe­ grenzerschaltung (5) zur Stabilisierung und Begrenzung des Betriebstromes der in Reihe geschalteten Leuchtdiodeneinheit (3) auf einen konstanten Wert bildet.3. LEDs according to one of the preceding claims, characterized in that the first Zener diode ( 9 ) is connected in parallel to the base-emitter path of the bipolar transistor (T) and in series with the resistor (R3), the non-linear Voltage divider ( 11 ) with the bipolar transistor (T) forms a current limiting circuit ( 5 ) for stabilizing and limiting the operating current of the series-connected LED unit ( 3 ) to a constant value. 4. Leuchtdiodenanotdnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zu jeder der in Reihe geschalteten Leuchtdioden (3a) eine weitere Zener-Diode (10) parallel geschaltet ist, die eine Durchbruchsspannung aufweist, die höher als die Durchbruchs­ spannung der ersten Zener-Diode (9) ist, wobei durch die weiteren Zener-Dioden (13) eine Überbrückung bei Ausfall ei­ ner der Leuchtdioden (3a) erzielt ist.4. light-emitting diode according to one of the preceding claims, characterized in that for each of the light-emitting diodes ( 3 a) connected in series, a further Zener diode ( 10 ) is connected in parallel, which has a breakdown voltage which is higher than the breakdown voltage of the first Zener -Diode ( 9 ), with the further Zener diodes ( 13 ) bridging if one of the light-emitting diodes ( 3 a) fails. 5. Leuchtdiodenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Leuchtdiodenanordnung auf einer Außenfläche (16) eines Trägers (10) angeordnet und das Netzgerät im Inneren des Trägers (10) angebracht ist.5. Light-emitting diode arrangement according to one of the preceding claims, characterized in that the light-emitting diode arrangement is arranged on an outer surface ( 16 ) of a carrier ( 10 ) and the power supply unit is fitted inside the carrier ( 10 ). 6. Leuchtdiodenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der Träger (10) eine Glühbirnenform aufweist, mit einem Norm-Sockel (14) zum Anschluß an die Netzspannung mittels einer Glühlampenfassung.6. LED arrangement according to one of the preceding claims, characterized in that the carrier ( 10 ) has a light bulb shape, with a standard base ( 14 ) for connection to the mains voltage by means of a bulb holder. 7. Leuchtdiodenanordnung nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Netzgerät (12) mit den Anschlüssen der Leuchtdiodenan­ ordnung eingegossen und somit wasserdicht ist.7. light-emitting diode arrangement according to one of the preceding claims, characterized in that the power supply ( 12 ) with the connections of the light-emitting diode arrangement is cast in and is thus watertight. 8. Netzgerät zum Betreiben einer Leuchtdiodenanordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass
das Netzgerät im wesentlichen
einen ersten Kondensator (C1) zur Glättung einer Netz­ spannung, der direkt an eine Netzspannungsquelle geschaltet ist,
einen parallel zu dem ersten Kondensator (C1) geschalte­ ten hochohmigen Widerstand (R1) zur Strombegrenzung, eine Gleichrichterschaltung (2), die über Eingangsan­ schlüsse (8) an die Netzspannung geschaltet ist und zur Er­ zeugung einer Versorgungsgleichspannung dient,
einen zweiten Kondensator (C2), der an den Ausgangsan­ schlüssen (4) der Gleichrichterschaltung (2) parallel ge­ schaltet ist,
einen parallel zu dem zweiten Kondensator (C2) geschal­ teten nichtlinearen Spannungsteiler (11), der eine erste Ze­ ner-Diode (9) mit einem Vorwiderstand (R3) aufweist, und einen Bipolartransistor (T) aufweist,
wobei die Leuchtdiodeneinheit (3) mindestens eine Leucht­ dioden-Reihenschaltung aufweist, die in der Kollektor-Basis- Strecke des Bipolartransistors (T) liegt, und
wobei der nichtlineare Spannungsteiler (11) mit dem Basisan­ schluß des Bipolartransistors (3) verbunden ist.
8. Power supply for operating a light-emitting diode arrangement according to one of claims 1 to 7, characterized in that
the power supply essentially
a first capacitor (C1) for smoothing a mains voltage, which is connected directly to a mains voltage source,
a high-resistance resistor (R1) connected in parallel with the first capacitor (C1) for current limitation, a rectifier circuit ( 2 ) which is connected to the mains voltage via input connections ( 8 ) and is used to generate a DC supply voltage,
a second capacitor (C2) which is connected in parallel to the output connections ( 4 ) of the rectifier circuit ( 2 ),
a non-linear voltage divider ( 11 ) connected in parallel with the second capacitor (C2), which has a first diode ( 9 ) with a series resistor (R3) and a bipolar transistor (T),
wherein the light-emitting diode unit ( 3 ) has at least one light-emitting diode series circuit which lies in the collector-base path of the bipolar transistor (T), and
wherein the non-linear voltage divider ( 11 ) with the base connection of the bipolar transistor ( 3 ) is connected.
DE20008408U 2000-05-10 2000-05-10 LED arrangement with a power supply Expired - Lifetime DE20008408U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20008408U DE20008408U1 (en) 2000-05-10 2000-05-10 LED arrangement with a power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20008408U DE20008408U1 (en) 2000-05-10 2000-05-10 LED arrangement with a power supply

Publications (1)

Publication Number Publication Date
DE20008408U1 true DE20008408U1 (en) 2000-08-17

Family

ID=7941318

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20008408U Expired - Lifetime DE20008408U1 (en) 2000-05-10 2000-05-10 LED arrangement with a power supply

Country Status (1)

Country Link
DE (1) DE20008408U1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370346A (en) * 2000-12-21 2002-06-26 Gamesman Ltd Lamp mounted on a circuit board to be plugged directly into a lamp holder
DE10125852A1 (en) * 2001-05-25 2002-12-05 Michael Kohls Circuit arrangement for operating light-emitting diodes
WO2008065244A1 (en) * 2006-11-30 2008-06-05 Easy Led Oy Procedure for producing light by the help of light radiating diodes and a light consisting of light radiating diodes
DE102007031459A1 (en) * 2007-07-05 2009-01-08 Dometic Waeco International Gmbh Festoon lamp for use in e.g. passenger car, has rear-coupling based current regulating circuit provided between LED light source and one contact for controlling current passing through LED light source
ITMC20090208A1 (en) * 2009-10-07 2011-04-08 Micronasa Di Patarchi Alberto LED SPOTLIGHT

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211955A (en) * 1978-03-02 1980-07-08 Ray Stephen W Solid state lamp
DE3230975A1 (en) * 1982-08-20 1984-02-23 Robert Bosch Gmbh, 7000 Stuttgart MOTOR VEHICLE LAMP MADE OF LIGHT-EMITTING DIODES OR LIGHT-EMITTING DIODE CHIPS
DE4129039A1 (en) * 1991-08-31 1993-03-04 Vogt Electronic Ag HIGH FREQUENCY TRANSMITTER FOR SMD MOUNTING
US5726535A (en) * 1996-04-10 1998-03-10 Yan; Ellis LED retrolift lamp for exit signs
DE20002482U1 (en) * 2000-02-11 2000-04-27 Abler Gerhard Filament

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211955A (en) * 1978-03-02 1980-07-08 Ray Stephen W Solid state lamp
DE3230975A1 (en) * 1982-08-20 1984-02-23 Robert Bosch Gmbh, 7000 Stuttgart MOTOR VEHICLE LAMP MADE OF LIGHT-EMITTING DIODES OR LIGHT-EMITTING DIODE CHIPS
DE4129039A1 (en) * 1991-08-31 1993-03-04 Vogt Electronic Ag HIGH FREQUENCY TRANSMITTER FOR SMD MOUNTING
US5726535A (en) * 1996-04-10 1998-03-10 Yan; Ellis LED retrolift lamp for exit signs
DE20002482U1 (en) * 2000-02-11 2000-04-27 Abler Gerhard Filament

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2370346A (en) * 2000-12-21 2002-06-26 Gamesman Ltd Lamp mounted on a circuit board to be plugged directly into a lamp holder
GB2370346B (en) * 2000-12-21 2003-12-17 Gamesman Ltd Lamps
DE10125852A1 (en) * 2001-05-25 2002-12-05 Michael Kohls Circuit arrangement for operating light-emitting diodes
WO2008065244A1 (en) * 2006-11-30 2008-06-05 Easy Led Oy Procedure for producing light by the help of light radiating diodes and a light consisting of light radiating diodes
DE102007031459A1 (en) * 2007-07-05 2009-01-08 Dometic Waeco International Gmbh Festoon lamp for use in e.g. passenger car, has rear-coupling based current regulating circuit provided between LED light source and one contact for controlling current passing through LED light source
ITMC20090208A1 (en) * 2009-10-07 2011-04-08 Micronasa Di Patarchi Alberto LED SPOTLIGHT

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Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20000921

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20030626

R157 Lapse of ip right after 6 years

Effective date: 20061201