CN104797048A - Dimmable LED driving power source and dimmable LED lighting lamp compatible to halogen lamps - Google Patents
Dimmable LED driving power source and dimmable LED lighting lamp compatible to halogen lamps Download PDFInfo
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- CN104797048A CN104797048A CN201510178189.8A CN201510178189A CN104797048A CN 104797048 A CN104797048 A CN 104797048A CN 201510178189 A CN201510178189 A CN 201510178189A CN 104797048 A CN104797048 A CN 104797048A
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Abstract
The invention discloses a dimmable LED driving power source compatible to halogen lamps. The dimmable LED driving power source comprises a rectifying module, a voltage stabilizing module, a detecting module, a peak current control module, an adjuster, a boosting conversion processor and a linear shunting adjustment module. The dimmable LED driving power source has the advantages that through processing and detecting of output voltages of the common halogen lamps, an LED lamp is enabled to be completely compatible to electronic transformers and dimmers of the conventional halogen lamps and directly substitute for the conventional halogen lamps; output currents are stable and reliable, and a dimming function is kept while replacement is facilitated for users; the dimmable LED driving power source is free from pollution, radiation and stroboflash. The dimmable LED driving power source can be widely applied to various LED lighting lamps.
Description
Technical field
The present invention relates to field of LED illumination, particularly relate to a kind of LED drive power of compatible Halogen lamp LED, the invention still further relates to a kind of LED illumination lamp.
Background technology
Because LED has, luminous efficiency is high, power savings good, and the feature such as pollution-free, life-span is long, illuminating industry application obtains the active support of the government; The related work that simultaneously LED illumination lamp carrys out alternative traditional lighting lamp is also constantly carrying out.
Present Halogen lamp LED is on the market connected with electronic transformer and dimmer, the product of such as OSRAM, CLIPSAL, Possum, VIPER etc., as shown in Figure 1.LED illumination lamp replaces in Halogen lamp LED process, and due to the needs change mode of connection, need removal transformer, dimmer etc., generally user is ignorant of Self-operating, needs to change by professional electrician.And on the one hand, if if user's user's self-changeable case voluntarily, do not note wiring error, easily carelessly burn the bad phenomenon such as line; Or more on the other hand, if case please be changed by professional electrician, can replacement cost be improved.Moreover, existing LED can not direct compatible transformer and and utilize original dimmer to realize tunable optical, all to LED lamp replace Halogen lamp LED bring inconvenience.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of can also realization utilizing original dimmer to realize the LED drive power of tunable optical by direct compatible Halogen lamp LED.
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of can also realization utilizing original dimmer to realize the LED illumination lamp of tunable optical by direct compatible Halogen lamp LED.
The technical solution adopted in the present invention is:
A kind of compatible Halogen lamp LED Dimmable LED driving power, it comprises rectification module, Voltage stabilizing module, detecting module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module, the input of described rectification module connects AC power, first output of described rectification module is connected to Voltage stabilizing module, second output of described rectification module is connected to detecting module, the output of described Voltage stabilizing module is connected to detecting module, the output of described detecting module is connected to peak value comparison method module, the output of described detector is connected to boosting inverter processor, the output of described peak value comparison method module is connected to adjuster, the output of described adjuster is monotroded receives boosting inverter processor, the output of described boosting inverter processor is connected to linear shunt regulating module.
Preferably, described rectification module is bridge rectifier module.
Preferably, described Voltage stabilizing module comprises the first triode, second triode, first metal-oxide-semiconductor, second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, the collector electrode of described first triode is connected to the grid connection of the first metal-oxide-semiconductor, the base stage of described first triode is connected to the base stage of the second triode by a resistance, the collector electrode of described first triode is connected to the input of detector by a resistance, the collector electrode of described second triode is connected to emitter, the collector electrode of described second triode is connected to the input of detector by a resistance, the grid of described first metal-oxide-semiconductor is connected to the grid of the second metal-oxide-semiconductor, the drain electrode of described first metal-oxide-semiconductor is connected to the output of bridge rectifier module by a resistance, the drain electrode of described second metal-oxide-semiconductor is connected to the output of bridge rectifier module by a resistance, the source electrode of described first metal-oxide-semiconductor and the second metal-oxide-semiconductor is each via a grounding through resistance, the grid of described first metal-oxide-semiconductor is by a grounding through resistance, the drain electrode of described 3rd metal-oxide-semiconductor is connected to the grid of the first metal-oxide-semiconductor, the source ground of described 3rd metal-oxide-semiconductor.
Preferably, described detector comprises the first diode, second diode, first voltage stabilizing didoe and the second voltage stabilizing didoe, the anode of described first voltage stabilizing didoe is connected to the output of rectification module, the negative electrode of described first voltage stabilizing didoe is connected to the input of boosting inverter processor, the anode of described first voltage stabilizing didoe is successively by a resistance and a capacity earth, described resistor coupled in parallel has Opposite direction connection first diode, the anode of described second diode is connected to the anode of the first diode, the negative electrode of described second diode is by a capacity earth, described second voltage stabilizing didoe anode is by a grounding through resistance, the negative electrode of described second voltage stabilizing didoe is connected to the negative electrode of the second diode.
Preferably, described adjuster comprises three-terminal voltage-stabilizing chip, 3rd triode and the 4th metal-oxide-semiconductor, the described input of three-terminal voltage-stabilizing chip is connected with the output of detector, the output of described three-terminal voltage-stabilizing is connected with the collector electrode of triode, the described output of three-terminal voltage-stabilizing chip is connected with the output of Voltage stabilizing module, the base stage of described 3rd triode is by a grounding through resistance, the emitter of described 3rd triode is by a grounding through resistance, the emitter of described 3rd triode is connected to the input of boosting inverter processor by a resistance, an electric capacity is connected with between the base stage of described 3rd triode and collector electrode, the source ground of described 4th metal-oxide-semiconductor, the drain electrode of described 4th metal-oxide-semiconductor is connected to the base stage of the 3rd triode.
Preferably, described boosting inverter processor comprises LED drived control chip, described LED drived control chip comprises control input end, current sampling input, current output terminal, feedback current input and selects output, described current output terminal is connected with feedback current input, described control input end is connected with the output of adjuster, and described current sampling input is connected with the output of adjuster.
Preferably, it also comprises hot afterflow control module, and described hot afterflow control module comprises temperature inductor, and the output of described temperature inductor is connected with the input of boosting inverter processor, realizes overtemperature protection.
Preferably, it comprises a kind of compatible Halogen lamp LED Dimmable LED driving power, and the output of described LED drive power is connected with one or more LED.
The invention has the beneficial effects as follows:
The present invention is by the process of generic halogen lamp output voltage and detection, realize the complete compatibility of LED to the electronic transformer of conventional halogen lamp and dimmer to replace with direct, and outputting current steadily is reliable, retain dimming function while facilitating user to change, and have pollution-free, radiationless, without the advantage of stroboscopic.
In addition, the present invention, by increasing temperature sense circuit, realizes monitoring the fact of LED working temperature, and according to temperature regulation output electric current, makes the use of LED safer, effectively extends the LED illumination lamp life-span.
The present invention can be widely used in various LED illumination lamp.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the schematic block circuit diagram of an embodiment of the present invention;
Fig. 2 is the circuit theory diagrams of an embodiment of the present invention rectification module, Voltage stabilizing module, detecting module, adjuster and boosting inverter processor.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1, a kind of compatible Halogen lamp LED Dimmable LED driving power, it comprises rectification module, Voltage stabilizing module, detecting module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module, the input of described rectification module connects AC power, first output of described rectification module is connected to Voltage stabilizing module, second output of described rectification module is connected to detecting module, the output of described Voltage stabilizing module is connected to detecting module, the output of described detecting module is connected to peak value comparison method module, the output of described detector is connected to boosting inverter processor, the output of described peak value comparison method module is connected to adjuster, the output of described adjuster is monotroded receives boosting inverter processor, the output of described boosting inverter processor is connected to linear shunt regulating module.
Preferably, described rectification module is bridge rectifier module.
As shown in Figure 2, described Voltage stabilizing module comprises the first triode Q1, second triode Q2, first metal-oxide-semiconductor QM1, second metal-oxide-semiconductor QM2 and the 3rd metal-oxide-semiconductor QM3, the collector electrode of described first triode Q1 is connected to the grid connection of the first metal-oxide-semiconductor QM1, the base stage of described first triode Q1 is connected to the base stage of the second triode Q2 by a resistance, the collector electrode of described first triode Q1 is connected to the input of detector by a resistance, the collector electrode of described second triode Q2 is connected to emitter, the collector electrode of described second triode Q2 is connected to the input of detector by a resistance, the grid of described first metal-oxide-semiconductor QM1 is connected to the grid of the second metal-oxide-semiconductor QM2, the drain electrode of described first metal-oxide-semiconductor QM1 is connected to the output of bridge rectifier module by a resistance, the drain electrode of described second metal-oxide-semiconductor QM2 is connected to the output of bridge rectifier module by a resistance, the source electrode of described first metal-oxide-semiconductor QM1 and the second metal-oxide-semiconductor QM2 is each via a grounding through resistance, the grid of described first metal-oxide-semiconductor QM1 is by a grounding through resistance, the drain electrode of described 3rd metal-oxide-semiconductor QM3 is connected to the grid of the first metal-oxide-semiconductor QM1, the source ground of described 3rd metal-oxide-semiconductor QM3.
Preferably, described detector comprises the first diode D1, second diode D2, first voltage stabilizing didoe DS1 and the second voltage stabilizing didoe DS2, the anode of described first voltage stabilizing didoe DS1 is connected to the output of rectification module, the negative electrode of described first voltage stabilizing didoe DS1 is connected to the input of boosting inverter processor, the anode of described first voltage stabilizing didoe DS1 is successively by a resistance and a capacity earth, described resistor coupled in parallel has Opposite direction connection first diode D1, the anode of described second diode D2 is connected to the anode of the first diode D1, the negative electrode of described second diode D2 is by a capacity earth, described second voltage stabilizing didoe DS2 anode is by a grounding through resistance, the negative electrode of described second voltage stabilizing didoe DS2 is connected to the negative electrode of the second diode D2.
Preferably, described adjuster comprises three-terminal voltage-stabilizing chip U1, 3rd triode Q3 and the 4th metal-oxide-semiconductor QM4, the input of described three-terminal voltage-stabilizing chip U1 is connected with the output of detector, the output of described three-terminal voltage-stabilizing is connected with the collector electrode of triode, the output of described three-terminal voltage-stabilizing chip U1 is connected with the output of Voltage stabilizing module, the base stage of described 3rd triode Q3 is by a grounding through resistance, the emitter of described 3rd triode Q3 is by a grounding through resistance, the emitter of described 3rd triode Q3 is connected to the input of boosting inverter processor by a resistance, an electric capacity is connected with between the base stage of described 3rd triode Q3 and collector electrode, the source ground of described 4th metal-oxide-semiconductor QM4, the drain electrode of described 4th metal-oxide-semiconductor QM4 is connected to the base stage of the 3rd triode Q3.
Preferably, described boosting inverter processor comprises LED drived control chip U2, described LED drived control chip U2 comprises control input end, current sampling input, current output terminal, feedback current input and selects output, described current output terminal is connected with feedback current input, described control input end is connected with the output of adjuster, and described current sampling input is connected with the output of adjuster.
Preferably, it also comprises hot afterflow control module, and described hot afterflow control module comprises temperature inductor, and the output of described temperature inductor is connected with the input of boosting inverter processor, realizes overtemperature protection.
Preferably, it comprises a kind of compatible Halogen lamp LED Dimmable LED driving power, and the output of described LED drive power is connected with one or more LED.
The course of work of the present invention is divided into:
(1) fast recovery rectifier, EMC elimination, oppositely voltage stabilizing circuit
By rectification module, rectifying and wave-filtering is entered to electronic transformer output high voltage 12V voltage, eliminate EMC interference;
By Voltage stabilizing module, compensation voltage stabilizing is entered to the voltage after rectification, make the voltage of output more stable and sufficient.
(2) circuit after voltage stabilizing is detected, the signal detected is sent to current controller and system;
Utilize detecting module to control the electric current after detection, and utilize peak value comparison method module and adjuster to make current stabilization within the specific limits;
Electric current after stable is detected, and detection signal is sent to system process.
(3) by boosting inverter processor, the voltage signal after detecting and current signal are processed, makes voltage be elevated to work applied voltage needed for lamp pearl, stabling current eliminates ripple.
(4) utilize linear shunt regulating module to carry out the linear regulation of electric current, realize LED light modulation.
The signal voltage of internal circuit of the present invention to input carries out rectifying and voltage-stabilizing, and voltage detecting makes system carry out boosting current stabilization, then detects the change of electric current according to the change of input signal, and the electric current making system export a linear change realizes the object of light modulation.And adding external temperature sensor circuit, when whole light temperature is overheated, inductor is drawn a signal instruction output current and is reduced, and so far whole lamp has had double insurance, more can realize the long-life theory of energy-conserving and environment-protective, the use that user can be more relieved.
The invention has the beneficial effects as follows:
The present invention is by the process of generic halogen lamp output voltage and detection, realize the complete compatibility of LED to the electronic transformer of conventional halogen lamp and dimmer to replace with direct, and outputting current steadily is reliable, retain dimming function while facilitating user to change, and have pollution-free, radiationless, without the advantage of stroboscopic.
In addition, the present invention, by increasing temperature sense circuit, realizes monitoring the fact of LED working temperature, and according to temperature regulation output electric current, makes the use of LED safer, effectively extends the LED illumination lamp life-span.
The present invention can be widely used in various LED illumination lamp.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (8)
1. a compatible Halogen lamp LED Dimmable LED driving power, it is characterized in that, it comprises rectification module, Voltage stabilizing module, detecting module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module, the input of described rectification module connects AC power, first output of described rectification module is connected to Voltage stabilizing module, second output of described rectification module is connected to detecting module, the output of described Voltage stabilizing module is connected to detecting module, the output of described detecting module is connected to peak value comparison method module, the output of described detector is connected to boosting inverter processor, the output of described peak value comparison method module is connected to adjuster, the output of described adjuster is monotroded receives boosting inverter processor, the output of described boosting inverter processor is connected to linear shunt regulating module.
2. one according to claim 1 compatible Halogen lamp LED Dimmable LED driving power, is characterized in that: described rectification module is bridge rectifier module.
3. one according to claim 2 compatible Halogen lamp LED Dimmable LED driving power, it is characterized in that: described Voltage stabilizing module comprises the first triode, second triode, first metal-oxide-semiconductor, second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, the collector electrode of described first triode is connected to the grid connection of the first metal-oxide-semiconductor, the base stage of described first triode is connected to the base stage of the second triode by a resistance, the collector electrode of described first triode is connected to the input of detector by a resistance, the collector electrode of described second triode is connected to emitter, the collector electrode of described second triode is connected to the input of detector by a resistance, the grid of described first metal-oxide-semiconductor is connected to the grid of the second metal-oxide-semiconductor, the drain electrode of described first metal-oxide-semiconductor is connected to the output of bridge rectifier module by a resistance, the drain electrode of described second metal-oxide-semiconductor is connected to the output of bridge rectifier module by a resistance, the source electrode of described first metal-oxide-semiconductor and the second metal-oxide-semiconductor is each via a grounding through resistance, the grid of described first metal-oxide-semiconductor is by a grounding through resistance, the drain electrode of described 3rd metal-oxide-semiconductor is connected to the grid of the first metal-oxide-semiconductor, the source ground of described 3rd metal-oxide-semiconductor.
4. one according to claim 1 compatible Halogen lamp LED Dimmable LED driving power, it is characterized in that: described detector comprises the first diode, second diode, first voltage stabilizing didoe and the second voltage stabilizing didoe, the anode of described first voltage stabilizing didoe is connected to the output of rectification module, the negative electrode of described first voltage stabilizing didoe is connected to the input of boosting inverter processor, the anode of described first voltage stabilizing didoe is successively by a resistance and a capacity earth, described resistor coupled in parallel has Opposite direction connection first diode, the anode of described second diode is connected to the anode of the first diode, the negative electrode of described second diode is by a capacity earth, described second voltage stabilizing didoe anode is by a grounding through resistance, the negative electrode of described second voltage stabilizing didoe is connected to the negative electrode of the second diode.
5. one according to claim 1 compatible Halogen lamp LED Dimmable LED driving power, it is characterized in that: described adjuster comprises three-terminal voltage-stabilizing chip, 3rd triode and the 4th metal-oxide-semiconductor, the described input of three-terminal voltage-stabilizing chip is connected with the output of detector, the output of described three-terminal voltage-stabilizing is connected with the collector electrode of triode, the described output of three-terminal voltage-stabilizing chip is connected with the output of Voltage stabilizing module, the base stage of described 3rd triode is by a grounding through resistance, the emitter of described 3rd triode is by a grounding through resistance, the emitter of described 3rd triode is connected to the input of boosting inverter processor by a resistance, an electric capacity is connected with between the base stage of described 3rd triode and collector electrode, the source ground of described 4th metal-oxide-semiconductor, the drain electrode of described 4th metal-oxide-semiconductor is connected to the base stage of the 3rd triode.
6. one according to claim 1 compatible Halogen lamp LED Dimmable LED driving power, it is characterized in that: described boosting inverter processor comprises LED drived control chip, described LED drived control chip comprises control input end, current sampling input, current output terminal, feedback current input and selects output, described current output terminal is connected with feedback current input, described control input end is connected with the output of adjuster, and described current sampling input is connected with the output of adjuster.
7. the compatible Halogen lamp LED Dimmable LED of the one according to any one of claim 1 to 6 driving power; it is characterized in that: it also comprises hot afterflow control module; described hot afterflow control module comprises temperature inductor; the output of described temperature inductor is connected with the input of boosting inverter processor, realizes overtemperature protection.
8. a compatible Halogen lamp LED adjustable light LED lighting lamp tool, is characterized in that, it comprises the one compatible Halogen lamp LED Dimmable LED driving power as described in claim 1 to 7 any one, and the output of described LED drive power is connected with one or more LED.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178189.8A CN104797048B (en) | 2015-04-15 | 2015-04-15 | A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510178189.8A CN104797048B (en) | 2015-04-15 | 2015-04-15 | A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator |
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| CN104797048A true CN104797048A (en) | 2015-07-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4169008B2 (en) * | 2005-01-31 | 2008-10-22 | 松下電工株式会社 | LED driving device and lighting device using the same |
| CN103108472A (en) * | 2013-02-17 | 2013-05-15 | 上海师范大学 | Intermittent service dimming light-emitting diode (LED) lamp drive circuit |
| CN203086787U (en) * | 2012-12-11 | 2013-07-24 | 欧司朗有限公司 | Led control circuit and led illuminating device |
| CN204578830U (en) * | 2015-04-15 | 2015-08-19 | 深圳市通普科技有限公司 | A kind of compatible Halogen lamp LED Dimmable LED driving power and lighting |
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2015
- 2015-04-15 CN CN201510178189.8A patent/CN104797048B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4169008B2 (en) * | 2005-01-31 | 2008-10-22 | 松下電工株式会社 | LED driving device and lighting device using the same |
| CN203086787U (en) * | 2012-12-11 | 2013-07-24 | 欧司朗有限公司 | Led control circuit and led illuminating device |
| CN103108472A (en) * | 2013-02-17 | 2013-05-15 | 上海师范大学 | Intermittent service dimming light-emitting diode (LED) lamp drive circuit |
| CN204578830U (en) * | 2015-04-15 | 2015-08-19 | 深圳市通普科技有限公司 | A kind of compatible Halogen lamp LED Dimmable LED driving power and lighting |
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