CN104797048B - A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator - Google Patents
A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator Download PDFInfo
- Publication number
- CN104797048B CN104797048B CN201510178189.8A CN201510178189A CN104797048B CN 104797048 B CN104797048 B CN 104797048B CN 201510178189 A CN201510178189 A CN 201510178189A CN 104797048 B CN104797048 B CN 104797048B
- Authority
- CN
- China
- Prior art keywords
- module
- output end
- voltage
- oxide
- semiconductor
- 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 - Fee Related
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of compatible Halogen lamp LED Dimmable LED driving power supply, it includes rectification module, Voltage stabilizing module, detecting module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module.The present invention passes through the processing and detection to generic halogen lamp output voltage, realize LED to the electronic transformer of conventional halogen lamp and the completely compatible of light modulator and direct replacement, and outputting current steadily is reliable, facilitate user to retain dimming function while replacing, and have the advantages that it is pollution-free, radiationless, without stroboscopic.It the composite can be widely applied to various LED illumination lamps.
Description
Technical field
The present invention relates to field of LED illumination, more particularly to a kind of LED drive power of compatible Halogen lamp LED, the present invention is also related to
And a kind of LED illumination lamp.
Background technology
The features such as having luminous efficiency height, good and pollution-free power savings, long lifespan due to LED, should in illuminating industry
Use and obtain the active support of the government；LED illumination lamp is also carried out to substitute the related work of traditional lighting lamp constantly simultaneously
.
Halogen lamp LED on the market is connected with electronic transformer and light modulator now, such as OSRAM, CLIPSAL, Possum,
VIPER etc. product, as shown in Figure 1.During LED illumination lamp substitution Halogen lamp LED, due to needing to change the mode of connection, need
Removal transformer, light modulator etc. are wanted, generally user is ignorant of Self-operating, it is necessary to ask professional electrician to be changed.And one
Aspect, if if user's voluntarily user's self-changeable case, does not note wiring error, easily carelessly burning the bad phenomenons such as line；
Or yet another aspect, if asking professional electrician to change case, replacement cost can be improved.Furthermore, existing LED can not be straight
Connect compatible transformer and and realize tunable optical using original light modulator, all to LED lamp substitution Halogen lamp LED bring inconvenience.
The content of the invention
In order to solve the above-mentioned technical problem, Halogen lamp LED can be directly compatible with it is an object of the invention to provide one kind and utilization is realized
Original light modulator realizes the LED drive power of tunable optical.
In order to solve the above-mentioned technical problem, Halogen lamp LED can be directly compatible with it is an object of the invention to provide one kind and utilization is realized
Original light modulator realizes the LED illumination lamp of tunable optical.
The technical solution adopted in the present invention is：
A kind of compatible Halogen lamp LED Dimmable LED driving power supply, it includes rectification module, Voltage stabilizing module, detecting module, peak value
Current control module, adjuster, boosting inverter processor and linear shunt regulating module, the input connection of the rectification module
AC power, the first output end of the rectification module is connected to Voltage stabilizing module, the second output end connection of the rectification module
To detecting module, the output end of the Voltage stabilizing module is connected to detecting module, and the output end of the detecting module is connected to peak value
Current control module, the output end of the detector is connected to boosting inverter processor, the peak value comparison method module it is defeated
Go out end and be connected to adjuster, the output single connection of the adjuster to boosting inverter processor, the boosting inverter processor
Output end is connected to linear shunt regulating module.
It is preferred that, the rectification module is bridge rectifier module.
It is preferred that, the Voltage stabilizing module include the first triode, the second triode, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and
3rd metal-oxide-semiconductor, the colelctor electrode of first triode is connected to the grid connection of the first metal-oxide-semiconductor, the base of first triode
Pole is connected to the base stage of the second triode by a resistance, and the colelctor electrode of first triode is connected to detection by a resistance
The input of device, the colelctor electrode of second triode is connected to emitter stage, and the colelctor electrode of second triode passes through an electricity
Resistance is connected to the input of detector, and the grid of first metal-oxide-semiconductor is connected to the grid of the second metal-oxide-semiconductor, first metal-oxide-semiconductor
Drain electrode the output end of bridge rectifier module is connected to by a resistance, the drain electrode of second metal-oxide-semiconductor is connected by a resistance
To the output end of bridge rectifier module, the source electrode of first metal-oxide-semiconductor and the second metal-oxide-semiconductor is described each via a resistance eutral grounding
The grid of first metal-oxide-semiconductor is connected to the grid of the first metal-oxide-semiconductor, described by a resistance eutral grounding, the drain electrode of the 3rd metal-oxide-semiconductor
The source ground of three metal-oxide-semiconductors.
It is preferred that, the detector includes the first diode, the second diode, the first voltage-regulator diode and the second voltage stabilizing two
Pole pipe, the anode of first voltage-regulator diode is connected to the output end of rectification module, the negative electrode of first voltage-regulator diode
The input of boosting inverter processor is connected to, the anode of first voltage-regulator diode passes sequentially through a resistance and an electric capacity connects
Ground, the resistor coupled in parallel has the diode of Opposite direction connection first, and the anode of second diode is connected to the sun of the first diode
Pole, the negative electrode of second diode is by a capacity earth, and the second voltage-regulator diode anode passes through a resistance eutral grounding, institute
The negative electrode for stating the second voltage-regulator diode is connected to the negative electrode of the second diode.
It is preferred that, the adjuster includes three-terminal voltage-stabilizing chip, the 3rd triode and the 4th metal-oxide-semiconductor, the three-terminal voltage-stabilizing
The input of chip and the output end of detector are connected, and the output end of the three-terminal voltage-stabilizing and the colelctor electrode of triode are connected, institute
State the output end of three-terminal voltage-stabilizing chip and the output end of Voltage stabilizing module is connected, the base stage of the 3rd triode is connect by a resistance
Ground, the emitter stage of the 3rd triode is by a resistance eutral grounding, and the emitter stage of the 3rd triode is connected by a resistance
To the input of boosting inverter processor, an electric capacity, described are connected between the base stage and colelctor electrode of the 3rd triode
The source ground of four metal-oxide-semiconductors, the drain electrode of the 4th metal-oxide-semiconductor is connected to the base stage of the 3rd triode.
It is preferred that, the boosting inverter processor includes LED drive control chip, the LED drive control chip
Including control signal, current sampling input, current output terminal, feedback current input and selection output end, the electric current
Output end is connected with feedback current input, and the output end connection of the control signal and adjuster, the current sampling is defeated
Enter end to be connected with the output end of adjuster.
It is preferred that, it also includes hot afterflow control module, and the hot afterflow control module includes temperature inductor, the temperature
The output end of degree inductor is connected with the input of boosting inverter processor, realizes overtemperature protection.
It is preferred that, it includes a kind of compatible Halogen lamp LED Dimmable LED driving power supply, the output end of the LED drive power
It is connected with one or more LEDs.
The beneficial effects of the invention are as follows：
The present invention realizes electricity of the LED to conventional halogen lamp by the processing and detection to generic halogen lamp output voltage
Sub- transformer and light modulator completely compatible and directly replace, and outputting current steadily is reliable, while facilitating the user to change
Retain dimming function, and have the advantages that it is pollution-free, radiationless, without stroboscopic.
In addition, the present invention is by increasing temperature sense circuit, the fact that realize to LED operating temperature monitors, and according to
Temperature adjustment output current so that the use of LED is safer, effectively extension LED illumination lamp life-span.
It the composite can be widely applied to various LED illumination lamps.
Brief description of the drawings
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the schematic block circuit diagram of an embodiment of the present invention；
Fig. 2 is an embodiment of the present invention rectification module, Voltage stabilizing module, detecting module, adjuster and boosting inverter processing
The circuit theory diagrams of device.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
As shown in figure 1, a kind of compatible Halogen lamp LED Dimmable LED driving power supply, it includes rectification module, Voltage stabilizing module, spy
Survey module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module, the rectification module
Input connection AC power, the first output end of the rectification module is connected to Voltage stabilizing module, the of the rectification module
Two output ends are connected to detecting module, and the output end of the Voltage stabilizing module is connected to detecting module, the output of the detecting module
End is connected to peak value comparison method module, and the output end of the detector is connected to boosting inverter processor, the peak point current
The output end of control module is connected to adjuster, the output single connection of the adjuster to boosting inverter processor, the boosting
The output end of transform processor is connected to linear shunt regulating module.
It is preferred that, the rectification module is bridge rectifier module.
As shown in Fig. 2 the Voltage stabilizing module includes the first triode Q1, the second triode Q2, the first metal-oxide-semiconductor QM1, second
The grid that metal-oxide-semiconductor QM2 and the 3rd metal-oxide-semiconductor QM3, the first triode Q1 colelctor electrode are connected to the first metal-oxide-semiconductor QM1 connects
Connect, the base stage of the first triode Q1 is connected to the second triode Q2 base stage, the first triode Q1 by a resistance
Colelctor electrode the input of detector is connected to by a resistance, the colelctor electrode of the second triode Q2 is connected to emitter stage,
The colelctor electrode of the second triode Q2 is connected to the input of detector, the grid of the first metal-oxide-semiconductor QM1 by a resistance
The second metal-oxide-semiconductor QM2 grid is connected to, the drain electrode of the first metal-oxide-semiconductor QM1 is connected to bridge rectifier module by a resistance
Output end, the drain electrode of the second metal-oxide-semiconductor QM2 is connected to the output end of bridge rectifier module, the first MOS by a resistance
Pipe QM1 and the second metal-oxide-semiconductor QM2 source electrode pass through a resistance each via a resistance eutral grounding, the grid of the first metal-oxide-semiconductor QM1
Ground connection, the drain electrode of the 3rd metal-oxide-semiconductor QM3 is connected to the first metal-oxide-semiconductor QM1 grid, and the source electrode of the 3rd metal-oxide-semiconductor QM3 connects
Ground.
It is preferred that, the detector includes the first diode D1, the second diode D2, the first voltage-regulator diode DS1 and the
Two voltage-regulator diode DS2, the first voltage-regulator diode DS1 anode is connected to the output end of rectification module, and described first is steady
Pressure diode DS1 negative electrode is connected to the input of boosting inverter processor, and the anode of the first voltage-regulator diode DS1 is successively
By a resistance and a capacity earth, the resistor coupled in parallel has the first diode of Opposite direction connection D1, the second diode D2's
Anode is connected to the first diode D1 anode, and the negative electrode of the second diode D2 is steady by a capacity earth, described second
Press diode DS2 anodes by a resistance eutral grounding, the negative electrode of the second voltage-regulator diode DS2 is connected to the second diode D2's
Negative electrode.
It is preferred that, the adjuster includes three-terminal voltage-stabilizing chip U1, the 3rd triode Q3 and the 4th metal-oxide-semiconductor QM4, described three
Voltage stabilizing chip U1 input and the output end of detector is held to connect, the output end of the three-terminal voltage-stabilizing and the colelctor electrode of triode
Connection, the output end of the three-terminal voltage-stabilizing chip U1 and the output end of Voltage stabilizing module are connected, the base stage of the 3rd triode Q3
By a resistance eutral grounding, the emitter stage of the 3rd triode Q3 passes through a resistance eutral grounding, the transmitting of the 3rd triode Q3
Pole is connected to the input of boosting inverter processor by a resistance, connects between the base stage and colelctor electrode of the 3rd triode Q3
An electric capacity is connected to, the source ground of the 4th metal-oxide-semiconductor QM4, the drain electrode of the 4th metal-oxide-semiconductor QM4 is connected to the 3rd triode
Q3 base stage.
It is preferred that, the boosting inverter processor includes LED drive control chip U2, the LED drive control core
Piece U2 includes control signal, current sampling input, current output terminal, feedback current input and selection output end, described
Current output terminal is connected with feedback current input, and the output end connection of the control signal and adjuster, the electric current takes
The output end connection of sample input and adjuster.
It is preferred that, it also includes hot afterflow control module, and the hot afterflow control module includes temperature inductor, the temperature
The output end of degree inductor is connected with the input of boosting inverter processor, realizes overtemperature protection.
It is preferred that, it includes a kind of compatible Halogen lamp LED Dimmable LED driving power supply, the output end of the LED drive power
It is connected with one or more LEDs.
The course of work of the present invention is divided into：
（1）Fast recovery rectifier, EMC are eliminated, reverse mu balanced circuit
Rectifying and wave-filtering is entered to electronic transformer output high voltage 12V voltages by rectification module, EMC interference is eliminated；
Compensation voltage stabilizing is entered to the voltage after rectification by Voltage stabilizing module, the voltage of output is more stablized and abundance.
（2）Circuit after voltage stabilizing is detected, the signal of detection is sent to current controller and system；
The electric current after detection is controlled using detecting module, and makes electricity using peak value comparison method module and adjuster
Stream is stable within the specific limits；
Electric current after stabilization is detected, and detection signal is sent to system processing.
（3）By boosting inverter processor, the voltage signal and current signal after detection are handled, voltage is raised
Ripple is eliminated to the work applied voltage needed for lamp bead, stabling current.
（4）The linear regulation of electric current is carried out using linear shunt regulating module, realizes that LED is dimmed.
Internal circuit of the present invention carries out rectifying and voltage-stabilizing to the signal voltage of input, and voltage detecting makes system carry out boosting steady
Stream, the change further according to input signal detects the change of electric current, the electric current that system exports a linear change is realized light modulation
Purpose.And external temperature sensor circuit is added, during whole light temperature overheat, inductor draws a signal instruction output electricity
Stream reduces, and so far whole lamp has double insurance, can more realize the long-life theory of energy-conserving and environment-protective, and what user can more trust makes
With.
The beneficial effects of the invention are as follows：
The present invention realizes electricity of the LED to conventional halogen lamp by the processing and detection to generic halogen lamp output voltage
Sub- transformer and light modulator completely compatible and directly replace, and outputting current steadily is reliable, while facilitating the user to change
Retain dimming function, and have the advantages that it is pollution-free, radiationless, without stroboscopic.
In addition, the present invention is by increasing temperature sense circuit, the fact that realize to LED operating temperature monitors, and according to
Temperature adjustment output current so that the use of LED is safer, effectively extension LED illumination lamp life-span.
It the composite can be widely applied to various LED illumination lamps.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of compatible Halogen lamp LED Dimmable LED driving power supply, it is characterised in that it includes rectification module, Voltage stabilizing module, detection
Module, peak value comparison method module, adjuster, boosting inverter processor and linear shunt regulating module, the rectification module
Input connects AC power, and the first output end of the rectification module is connected to Voltage stabilizing module, the second of the rectification module
Output end is connected to detecting module, and the output end of the Voltage stabilizing module is connected to detecting module, the output end of the detecting module
Peak value comparison method module is connected to, the output end of the detecting module is connected to boosting inverter processor, the peak point current
The output end of control module is connected to adjuster, and the output end of the adjuster is connected to boosting inverter processor, the boosting
The output end of transform processor is connected to linear shunt regulating module；
The Voltage stabilizing module includes the first triode, the second triode, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, institute
The colelctor electrode for stating the first triode is connected to the grid connection of the first metal-oxide-semiconductor, and the base stage of first triode passes through a resistance
The base stage of the second triode is connected to, the colelctor electrode of first triode is connected to the input of detecting module by a resistance
End, the colelctor electrode of second triode is connected to emitter stage, and the colelctor electrode of second triode is connected to by a resistance
The input of detecting module, the grid of first metal-oxide-semiconductor is connected to the grid of the second metal-oxide-semiconductor, the drain electrode of first metal-oxide-semiconductor
The output end of rectification module is connected to by a resistance, the drain electrode of second metal-oxide-semiconductor is connected to rectification module by a resistance
Output end, the source electrode of first metal-oxide-semiconductor and the second metal-oxide-semiconductor is each via a resistance eutral grounding, the grid of first metal-oxide-semiconductor
By a resistance eutral grounding, the drain electrode of the 3rd metal-oxide-semiconductor is connected to the grid of the first metal-oxide-semiconductor, and the source electrode of the 3rd metal-oxide-semiconductor connects
Ground；
The detecting module includes the first diode, the second diode, the first voltage-regulator diode and the second voltage-regulator diode, described
The anode of first voltage-regulator diode is connected to the output end of rectification module, and the negative electrode of first voltage-regulator diode is connected to boosting
The input of transform processor, the anode of first voltage-regulator diode passes sequentially through a resistance and a capacity earth, the electricity
Resistance is parallel with the diode of Opposite direction connection first, and the anode of second diode is connected to the anode of the first diode, and described the
The negative electrode of two diodes is by a capacity earth, and the second voltage-regulator diode anode is steady by a resistance eutral grounding, described second
The negative electrode of pressure diode is connected to the negative electrode of the second diode；
The boosting inverter processor includes LED drive control chip, and the LED drive control chip includes control input
End, current sampling input, current output terminal, feedback current input and selection output end, the current output terminal and feedback
Current input terminal is connected, and the output end of the control signal and adjuster is connected, the current sampling input and adjuster
Output end connection；
The LED drive power course of work is：
S1, rectifying and wave-filtering is entered to electronic transformer output high voltage 12V voltages by rectification module, eliminates EMC interference；Pass through
Voltage stabilizing module enters compensation voltage stabilizing to the voltage after rectification；
S2, is controlled using detecting module to the electric current after detection, and makes electricity using peak value comparison method module and adjuster
Stream is stable；
S3, by boosting inverter processor, handles the voltage signal and current signal after detection, voltage is increased to lamp
Work applied voltage, stabling current needed for pearl eliminate ripple；
S4, the linear regulation of electric current is carried out using linear shunt regulating module, realizes that LED is dimmed.
2. a kind of compatible Halogen lamp LED Dimmable LED driving power supply according to claim 1, it is characterised in that：The rectification
Module is bridge rectifier module.
3. a kind of compatible Halogen lamp LED Dimmable LED driving power supply according to claim 1, it is characterised in that：The regulation
Device includes three-terminal voltage-stabilizing chip, the 3rd triode and the 4th metal-oxide-semiconductor, the input of the three-terminal voltage-stabilizing chip and detecting module
Output end is connected, and the output end of the three-terminal voltage-stabilizing and the colelctor electrode of triode are connected, the output end of the three-terminal voltage-stabilizing chip
It is connected with the output end of Voltage stabilizing module, the base stage of the 3rd triode passes through a resistance eutral grounding, the hair of the 3rd triode
Emitter-base bandgap grading is connected to the input of boosting inverter processor by a resistance by a resistance eutral grounding, the emitter stage of the 3rd triode
End, is connected with an electric capacity, the source ground of the 4th metal-oxide-semiconductor is described between the base stage and colelctor electrode of the 3rd triode
The drain electrode of 4th metal-oxide-semiconductor is connected to the base stage of the 3rd triode.
4. a kind of compatible Halogen lamp LED Dimmable LED driving power supply according to any one of claims 1 to 3, it is characterised in that：
It also includes hot afterflow control module, and the hot afterflow control module includes temperature inductor, the output of the temperature inductor
End is connected with the input of boosting inverter processor, realizes overtemperature protection.
5. a kind of compatible Halogen lamp LED adjustable light LED lighting lamp tool, it is characterised in that it includes such as Claims 1-4 any one
A kind of described compatible Halogen lamp LED Dimmable LED driving power supply, the output end of the LED drive power is connected with one or more
LED.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104797048A CN104797048A (en) | 2015-07-22 |
| CN104797048B true CN104797048B (en) | 2017-09-01 |
Family
ID=53561446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178189.8A Expired - Fee Related CN104797048B (en) | 2015-04-15 | 2015-04-15 | A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104797048B (en) |
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 |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104797048A (en) | 2015-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2676528B1 (en) | A dimmable led driver and a method for controlling the same | |
| US10172199B1 (en) | Light-actuated wide voltage range LED lamp driver circuit | |
| CN102573213B (en) | LED (Light Emitting Diode) dimming system | |
| EP2890222A1 (en) | Led driving apparatus and driving method thereof | |
| TWM406148U (en) | Constant-current LED lamp | |
| CN102510618B (en) | Semiconductor lighting driving circuit and semiconductor lighting device | |
| CN104427700B (en) | Overheating protection circuit, LED drive circuit and lamps and lanterns | |
| CN107172752A (en) | A kind of wide electronic light modulator of compatible voltage range | |
| CN203467002U (en) | LED constant-current power supply | |
| CN104797048B (en) | A kind of compatible Halogen lamp LED Dimmable LED driving power supply and illuminator | |
| CN204578830U (en) | A kind of compatible Halogen lamp LED Dimmable LED driving power and lighting | |
| US8390202B2 (en) | External electrical-control lamp with improved structure | |
| JP5944672B2 (en) | LED lighting device, lighting apparatus including the same, and lighting device | |
| CN104780695B (en) | A kind of LED non-pole light regulatings constant-current driving power supply | |
| EP3300458B1 (en) | Led device | |
| CN206728345U (en) | A kind of light adjusting circuit of economical LED dial-ups driving power | |
| CN204993992U (en) | Intelligence switch light modulation control circuit | |
| CN215773646U (en) | Light and color adjusting circuit, light and color adjusting device and lamp | |
| CN218959159U (en) | Dimmable constant current circuit | |
| CN203761643U (en) | LED light modulation circuit and LED power supply system adapting to NEMA curve | |
| CN210840146U (en) | Stepless dimming circuit without stroboflash and dimming LED lamp | |
| US11388793B2 (en) | Dimmable lighting apparatus | |
| CN202364436U (en) | LED dimming system | |
| CN211792131U (en) | Drive circuit and lamp | |
| CN111556618B (en) | Multichannel dimming lamp and multichannel lighting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181017 Address after: 518000 Fuyuan Industrial Zone, Shenzhen, Baoan District, Fuyang, Guangdong, China, 5202 Patentee after: Shenzhen Hengli Pu intelligent display Co., Ltd. Address before: 518100 Guangdong Shenzhen Baoan District Fuyong street high tech Zone Feng Tang Avenue star science and Technology Park B 1 to four floors. Patentee before: ShenZhen Top Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 Termination date: 20210415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |