CN110062491A - Electronic driver and lighting module - Google Patents
Electronic driver and lighting module Download PDFInfo
- Publication number
- CN110062491A CN110062491A CN201810048900.1A CN201810048900A CN110062491A CN 110062491 A CN110062491 A CN 110062491A CN 201810048900 A CN201810048900 A CN 201810048900A CN 110062491 A CN110062491 A CN 110062491A
- Authority
- CN
- China
- Prior art keywords
- voltage
- electronic driver
- detecting circuit
- filter condenser
- conventional fluorescent
- 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.)
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3578—Emulating the electrical or functional characteristics of discharge lamps
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention relates to a kind of electronic driver (1) for being used for lighting module (15), including voltage input end (2), it is used to receive the supply voltage for carrying out self-control device；Voltage detecting circuit (3), being adapted to detect for the control device is conventional fluorescent ballast or electric ballast；EMI (electromagnetic interference) filter condenser (11), is used to filter high frequency voltage；It switchs (10), it is coupled to voltage detecting circuit (3) and EMI filter condenser (11), so that EMI filter condenser (11) is coupled to voltage input end (2) in the case where control device is conventional fluorescent ballast.
Description
Technical field
The present invention relates to the electronic driver for lighting module and including the lighting module of electronic driver.
Background technique
For many years, fluorescent lamp is it is well known that and have become extensive lighting apparatus having as incandescent lamp bulb
Imitate substitute.However, more efficient and the more long-life light fixture is available with the appearance of LED light.In addition, with glimmering
Light lamp is compared, and the material of LED light is safer, because not needing mercury for example.It is therefore preferred that needing to be replaced with LED light existing
Fluorescent lamp is without replacing entire lamps and lanterns or lamp bracket.
Currently available fluorescent lamp holder includes conventional fluorescent ballast (also referred to as conventional control device CCG) or electronic ballast
Device (also referred to as electronic control unit ECG), to be supplied to the electric current of fluorescent lamp for adjusting and limiting.Therefore, for replacing
The LED light (LED retrofit lamp) of fluorescent lamp or halogen lamp needs work together with CCG or ECG.
In addition, the LED light for being coupled to florescent lamp fitting is needed through specific EMI in order to not influence other electronic equipments
(electromagnetic interference) test.Most of electronic equipments include electromagnetic interface filter, as isolated equipment or are embedded in the circuit board.
The function of these electromagnetic interface filters is to reduce the high-frequency electronic noise that may other equipment be generated with interference.Administrative standard is most
Number country all exists, these countries limit the noise content for allowing to discharge.
EMI (or electromagnetic interference) is defined as unwanted electric signal and can be the form of conduction or radiation.When making an uproar
The EMI that sound can conduct when propagating along electric conductor can be generated when noise passes through air borne as magnetic field or radio wave
The EMI of radiation.
EMI can be generated by current switching, and be originated from the various sources including electronic power power supply.Power supply will be defeated
Enter voltage to be converted to adjusting and the DC voltage of (in most cases) is isolated, to run a large amount of electronic components.The conversion
It is being executed in from several kHz to the high-frequency range for being higher than 1MHz.
The currently available florescent lamp fitting with ECG has included the electromagnetic interface filter for filtering undesirable high frequency.
On the contrary, the currently available florescent lamp fitting with CCG does not have any electromagnetic interface filter.For this reason, it is coupled to ECG
LED light can be tested by required EMI, and the LED light for being coupled to CCG usually will not pass through required EMI test.
One existing solution is to detect LED light via MCU to be connected to ECG or be connected to CCG.If LED
Lamp is connected to CCG, then additional electromagnetic interface filter is connected to voltage input via MCU.The disadvantages of this solution is MCU using non-
Often complicated and cost is very high.
Summary of the invention
In view of the aforesaid drawbacks of currently available LED light, the object of the present invention is to provide a kind of illuminations for LED light
The simple and cost-effective electronic driver of module, the LED light are compatible with including the currently available florescent lamp fitting of ECG or CCG
And it is suitable for testing by required EMI.
The purpose according to the electronic driver for lighting module of independent claims by solving.Preferred embodiment
It is provided by dependent claims, the description and the appended drawings.
A kind of electronic driver for lighting module is provided as a result, comprising voltage input end comes from for receiving
The supply voltage of control device；Voltage detecting circuit, being adapted to detect for the control device is conventional fluorescent ballast or electronics town
Flow device；EMI (electromagnetic interference) filter condenser, is used to filter high frequency voltage；Switch, be coupled to voltage detecting circuit and
EMI filter condenser, so that EMI filter condenser is coupled to voltage input end if control device is conventional fluorescent ballast.
It is particularly preferred that voltage detecting circuit is analog circuit.
The use of especially analog voltage detection circuit may insure that the lighting module for preferably including LED can be installed to
It in lamps and lanterns with conventional fluorescent ballast and is installed in the lamps and lanterns with electric ballast, and is suitable in both cases
Tested by required EMI.If conventional fluorescent ballast is connected to electronic driver, switchs and (can be transistor, especially
MOSFET (becoming to be connected)) is activated by voltage detecting circuit.
Therefore, additional filter condenser can be coupled to voltage input end for filtering undesirable high frequency.It is described
Additional filter condenser can filter the undesirable high frequency from supply voltage, it is therefore prevented that with other electronic equipments
Electromagnetic interference.In order to allow to be used together with electric ballast, additional filter condenser is not needed, because of electric ballast
It is already provided with internal filter condenser.In this case, switch keeps un-activation (that is, being not turned on).
In a first aspect, suggested a kind of electronic driver, wherein if control device is conventional fluorescent ballast, electricity of powering
Pressure at least corresponds to scheduled threshold voltage, and wherein voltage detecting circuit is adapted to detect for whether supply voltage at least corresponds to
Scheduled threshold voltage.Control device can be traditional ballast or electric ballast.In order to detect be conventional fluorescent ballast also
It is that electric ballast is connected to electronic driver, there is the thing of different voltages output using conventional fluorescent ballast and electric ballast
It is real.That is, the conventional fluorescent ballast has higher voltage output than electric ballast.Particularly, pass through analog voltage
Detection circuit is connected to the detection of electronic driver to execute to then conventional fluorescent ballast or electric ballast.
According to the another aspect of electronic driver, voltage detecting circuit includes Zener diode, is suitable in control device
It is to puncture in the case where conventional fluorescent ballast；And divider, for supply voltage to be divided into the operating voltage of Zener diode,
Wherein the output end of Zener diode is coupled to switch.If supply voltage is sufficiently high, that is to say, that conventional fluorescent ballast is connected to
Electronic driver, then Zener diode can puncture, and the output voltage of Zener diode can activate switch.Pass through activation
Switch, EMI filter condenser are coupled to voltage input end, thus prevent electromagnetic interference caused by conventional fluorescent ballast.
Particularly, the divider including first resistor device and second resistor can be connected in parallel with voltage input end.Partial pressure
Supply voltage is divided into the operating voltage of Zener diode by device.Zener diode can be with coupled in parallel to first resistor device and
Two resistors.Zener diode is relative to voltage input end along blocking direction arrangement.
According to the another aspect of electronic driver, supply voltage is exchange (AC) voltage, and voltage detecting circuit includes
Suitable for supply voltage to be converted into the first diode of direct current (DC) voltage.First diode can be connected in parallel to divider,
And it is particularly, positive relative to voltage input end, also, if input voltage is sufficiently high, i.e., connects in conventional fluorescent ballast
In the case where being connected to electronic driver, first diode breakdown.If first diode punctures, Zener diode can also be hit
It wears, and the output voltage of Zener diode can activate switch.It is switched by activation, filter condenser is coupled to input voltage
End.It may also be that first diode is in both cases (that is, when control device is conventional fluorescent ballast either electronics
When ballast) all puncture.In this case, first diode can only have the function that AC supply voltage is converted into D/C voltage
Energy.
According to the another aspect of electronic driver, voltage detecting circuit includes voltage source (Vcc) and SCR (silicon control rectification
Device), wherein SCR is suitable for providing the control voltage for being suitble to switching switch in the case where control device is conventional fluorescent ballast.SCR
The output end of Zener diode can be coupled to.If Zener diode is punctured due to the high voltage that conventional fluorescent ballast provides,
Then SCR can be activated, to provide the supply voltage for being suitable for Operation switch.
According to the another aspect of electronic driver, voltage detecting circuit includes the first filter condenser, is used to filter height
Frequency voltage.Wherein the first filter condenser is coupled to the output end of voltage detecting circuit.First filter condenser in parallel can connect
It is connected to the second resistor of divider.Due to first filter condenser, the electromagnetic interference of voltage detecting circuit can be prevented.
According to the another aspect of electronic driver, electronic driver circuit includes be connected in parallel to voltage input end second
Filter condenser, wherein the second filter condenser is suitable for filtering the high frequency voltage from supply voltage.If conventional fluorescent ballast or
Electric ballast is connected to electronic driver, then operates the second filter condenser in both cases.Second filter condenser is excellent
Selection of land has resistance more lower than the first EMI filter condenser and is used as spare to prevent electromagnetic interference.
It is a further object to provide a kind of lighting modules, including electronic driver and light-emitting component, wherein sending out
Optical element is coupled to the output end of electronic driver.Electronic driver is preferably electronic driver as described above.Namely
It says, all features disclosed in electronic driver are also disclosed about lighting module, and vice versa.
Light-emitting component preferably includes light emitting diode (LED) either light emitting diode.Lighting module may be adapted to by
It is placed in LED light.
Detailed description of the invention
Described in detail below by reference to what is be considered in conjunction with the accompanying, the disclosure will be more readily understood, in which:
Fig. 1 is the schematic diagram of the exemplary embodiment of the electronic driver for lighting module, and
Fig. 2 is the schematic diagram of the alternate embodiment of the electronic driver for lighting module.
Specific embodiment
Hereinafter, the exemplary embodiment of electronic driver and lighting module is described in more detail with reference to the accompanying drawings.?
In attached drawing, the same or similar element or the element with same effect are indicated by the same numbers, and in order to avoid
Repetition can be omitted to its repetitive description.
The figure of element shown in the drawings and size relation to each other are not considered as proportional.On the contrary, single
Element can be shown with the size exaggerated that preferably can illustrate and/or better understand.
In fig. 1 it is shown that the exemplary embodiment of the electronic driver 1 for lighting module 15.Electronic driver 1 wraps
Voltage input end 2 is included, for receiving the supply voltage for carrying out self-control device, wherein power supply unit (not shown) can be tradition
Ballast or electric ballast.Electronic driver further includes voltage detecting circuit 3, and being adapted to detect for the control device is tradition
Ballast or electric ballast.Voltage detecting circuit 3 includes the first diode 4 of positive coupling.Divider 5 is connected to
First diode 4.Divider 5 includes first resistor device 6a and second resistor 6b.First filter condenser 7 is connected in parallel to
Two resistor 6b.3rd resistor device 9 is connected in parallel to the first filter condenser 7 and is grounded.
Voltage detecting circuit 3 further includes Zener diode (Zener diode) 8, and the Zener diode 8 is to block direction simultaneously
Connection is connected to first resistor device 6a and second resistor 6b.The output end of Zener diode 8 is connected to switch 10, and switch 10 can be with
It is transistor or MOSFET.Electronic driver circuit 1 further includes rectifier circuit 14.It is defeated that rectifier circuit 14 is connected to voltage
Enter end 2.4th resistor 13 is parallel-connected to rectifier circuit 14.Second filter condenser 12 is also parallel-connected to rectifier electricity
Road 14.In addition, EMI filter condenser 11 is connected in series to switch 10 and is parallel-connected to the 4th resistor 13.Electric drive
The output end of device 1 may be connected to lighting module 15.
Input voltage 2 is preferably AC voltage.Voltage input end 2 is connected to rectifier circuit 14.Rectifier circuit 14 will be electric
The AC voltage of pressure input terminal 2 is converted to D/C voltage.4th resistor 13 is parallel-connected to rectifier circuit 14.Second filter capacitor
Device 12 is also parallel-connected to rectifier circuit 14.If conventional fluorescent ballast or electric ballast are connected to electronic driver 1,
The second filter condenser 12 is operated in the case of two kinds.Second filter condenser 12 preferably has than the first EMI filter condenser 11
Low resistance, and may be used as spare.If switch 10 is activated, that is to say, that if conventional fluorescent ballast is connected to electronics drive
Dynamic device 1, then EMI filter condenser 11 is connected only to voltage input end 2.
If control device is conventional fluorescent ballast, the supply voltage of voltage input end 2 at least corresponds to scheduled threshold value
Voltage.Voltage detecting circuit 3 is adapted to detect for whether supply voltage at least corresponds to scheduled threshold voltage.If conventional fluorescent ballast
It is connected to electronic driver 1, then voltage is sufficiently high to activate voltage detecting circuit 3.In this case, first diode 4 punctures
And the AC voltage of voltage input end 2 is converted into D/C voltage.Supply voltage is divided into the work of Zener diode 8 by divider 5
Make voltage.First filter condenser 7 is suitable for filtering the undesirable high frequency of voltage detecting circuit 3.If conventional fluorescent ballast connects
To electronic driver circuit 1, then voltage is sufficiently high to puncture Zener diode 8.If Zener diode 8 punctures, switch 10
It is activated, so that EMI filter condenser 11 is coupled to voltage input end 2.By the EMI filter condenser 11 (its preferably
With high resistance), the undesirable high frequency of supply voltage is filtered, to can also lead to even if in the case where conventional fluorescent ballast
Cross EMI test.
If control device is electric ballast, the supply voltage of voltage input end 2 is lower than scheduled threshold voltage.?
In this case, supply voltage be not it is sufficiently high, detection circuit 3 as described above can not be activated.To which the second filter condenser is not
It is coupled to voltage input end 2.
Fig. 2 shows the schematic diagrames of the alternate embodiment of the electronic driver 1 for lighting module 15.Electronic driver
Structure is corresponding with the structure of electronic driver shown in FIG. 1 in itself.
Unlike voltage detecting circuit 3 shown in FIG. 1, voltage detecting circuit shown in Fig. 2 includes SCR (Silicon
Controlled Rectifier, thyristor) 16 and supply voltage source Vcc 17.If conventional fluorescent ballast is connected to electronics
Driver 1, then voltage is sufficiently high to puncture Zener diode 8.If Zener diode 8 punctures, SCR 16 is activated, thus
Provide the supply voltage 17 for being suitable for activating switch.By activating switch 10, EMI filter condenser 11 is coupled to voltage input end
2。
It is obvious to the skilled person that these embodiments and item depict only multiple possibilities
Example.Therefore, embodiment depicted herein is understood not to be formed the limitation to these features and construction.It is according to the present invention
Range, any possible combination of described feature and construction can select.
Reference signs list
1 is used for the electronic driver of lighting module
2 voltage input ends
3 detection circuits
4 first diodes
5 divider
6a first resistor device
6b second resistor
7 first filter condensers
8 Zener diodes
9 3rd resistor devices
10 switches
11 EMI filter condensers
12 second filter condensers
13 the 4th resistors
14 rectifier circuits
15 are used for the connection of lighting module
16 SCR
17 supply voltage sources (Vcc)
Claims (8)
1. the electronic driver (1) that one kind is used for lighting module (15), comprising:
Voltage input end (2) is used to receive the supply voltage for carrying out self-control device；
Voltage detecting circuit (3), being adapted to detect for the control device is conventional fluorescent ballast or electric ballast；
EMI (electromagnetic interference) filter condenser (11), is used to filter high frequency voltage；
It switchs (10), the voltage detecting circuit (3) and the EMI filter condenser (11) is coupled to, so that in the control
In the case that device processed is conventional fluorescent ballast, the EMI filter condenser (11) is coupled to the voltage input end (2).
2. electronic driver circuit (1) according to claim 1, wherein if the control device is conventional fluorescent ballast,
Then the supply voltage at least corresponds to scheduled threshold voltage, and wherein, and the voltage detecting circuit (3) is adapted to detect for institute
State whether supply voltage at least corresponds to the scheduled threshold voltage.
3. electronic driver circuit (1) according to claim 1 or 2, wherein the voltage detecting circuit (3) includes: neat
It receives diode (8), is suitable for puncturing in the case where the control device is conventional fluorescent ballast；And divider (5), it is used for
The supply voltage is divided into the operating voltage of the Zener diode (8),
Wherein, the output end of the Zener diode (8) is coupled to the switch (10).
4. electronic driver circuit (1) according to any one of the preceding claims, wherein the supply voltage is exchange
Voltage, and wherein the voltage detecting circuit (3) includes being suitable for the supply voltage being converted into the 1st of DC voltage
Pole pipe (4).
5. electronic driver circuit (1) according to any one of the preceding claims, wherein the voltage detecting circuit
It (3) include voltage source (Vcc) (17) and SCR (thyristor) (16), wherein the thyristor (16) is suitable for described
Control device is the suitable switching of the offer control voltage for switching (10) in the case where conventional fluorescent ballast.
6. electronic driver circuit (1) according to any one of the preceding claims, wherein the voltage detecting circuit
(3) include the first filter condenser (7) for filtering high frequency voltage, wherein first filter condenser (7) is coupled to institute
State the input terminal of voltage detecting circuit (3).
7. electronic driver circuit (1) according to any one of the preceding claims, including it is connected in parallel to the voltage
The second filter condenser (12) of input terminal, wherein second filter condenser (12) is suitable for filtering from the power supply electricity
The high frequency voltage of pressure.
8. a kind of lighting module (15), including electronic driver according to any one of the preceding claims (1) and hair
Optical element, wherein the light-emitting component is coupled to the output end of the electronic driver (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048900.1A CN110062491B (en) | 2018-01-18 | 2018-01-18 | Electronic driver and lighting module |
| DE102019101194.9A DE102019101194B4 (en) | 2018-01-18 | 2019-01-17 | Electronic driver and lighting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048900.1A CN110062491B (en) | 2018-01-18 | 2018-01-18 | Electronic driver and lighting module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110062491A true CN110062491A (en) | 2019-07-26 |
| CN110062491B CN110062491B (en) | 2022-04-29 |
Family
ID=67068505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810048900.1A Active CN110062491B (en) | 2018-01-18 | 2018-01-18 | Electronic driver and lighting module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110062491B (en) |
| DE (1) | DE102019101194B4 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168696A (en) * | 2014-07-31 | 2014-11-26 | 罗吉国 | Compatible LED power circuit |
| CN104540265A (en) * | 2014-11-21 | 2015-04-22 | 南京大学 | Low-cost omnidirectional fully-compatible driving device |
| CN205305202U (en) * | 2015-12-29 | 2016-06-08 | 惠州Tcl照明电器有限公司 | Protection circuit and LED drive circuit |
| CN206559674U (en) * | 2015-09-18 | 2017-10-13 | 嘉兴山蒲照明电器有限公司 | LED straight lamps |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9131565B2 (en) | 2012-11-19 | 2015-09-08 | Maxim Integrated Products, Inc. | LED lighting system and method |
| CN107567150B (en) | 2017-10-10 | 2019-06-14 | 矽力杰半导体技术(杭州)有限公司 | Input power sense circuit and detection method and the LED drive circuit comprising it |
-
2018
- 2018-01-18 CN CN201810048900.1A patent/CN110062491B/en active Active
-
2019
- 2019-01-17 DE DE102019101194.9A patent/DE102019101194B4/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104168696A (en) * | 2014-07-31 | 2014-11-26 | 罗吉国 | Compatible LED power circuit |
| CN104540265A (en) * | 2014-11-21 | 2015-04-22 | 南京大学 | Low-cost omnidirectional fully-compatible driving device |
| CN206559674U (en) * | 2015-09-18 | 2017-10-13 | 嘉兴山蒲照明电器有限公司 | LED straight lamps |
| CN205305202U (en) * | 2015-12-29 | 2016-06-08 | 惠州Tcl照明电器有限公司 | Protection circuit and LED drive circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019101194A1 (en) | 2019-07-18 |
| CN110062491B (en) | 2022-04-29 |
| DE102019101194B4 (en) | 2023-03-23 |
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