CN105451389A - LED lamp light-emitting module - Google Patents
LED lamp light-emitting module Download PDFInfo
- Publication number
- CN105451389A CN105451389A CN201510805315.8A CN201510805315A CN105451389A CN 105451389 A CN105451389 A CN 105451389A CN 201510805315 A CN201510805315 A CN 201510805315A CN 105451389 A CN105451389 A CN 105451389A
- Authority
- CN
- China
- Prior art keywords
- circuit unit
- led
- emitting module
- light emitting
- chip
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter 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]
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a boost LED drive circuit based on PWM control, and the circuit comprises a protection module which can achieve multi-aspect protection of an NMSO tube, thereby prolonging the service life of an LED. A sampling module is provided with a current control feedback ring module, and can carry out the control adjustment of the current and voltage at the same time, thereby improving the efficiency of the drive circuit. A precision value and a recognition voltage of a PWM comparator module indicate that the PWM comparator module is higher in precision and stronger in recognition capability, and is high in application value.
Description
Technical field
The present invention relates to and belong to field of illuminating lamps, be specifically related to a kind of LED light emitting module.
Background technology
For general lighting, people more need the light source of white.The LED emitted white light for 1998 succeeds in developing.GaN chip and yttrium-aluminium-garnet (YAG) are packaged together to make by this LED.GaN chip blue light-emitting (λ p=465nm, Wd=30nm), the YAG fluorescent powder containing Ce3+ that high temperature sintering is made sends sodium yellow after being subject to this blue-light excited and penetrates, peak value 550nLED lamp m.Blue-ray LED substrate is arranged in bowl-type reflection cavity, covers the thin resin layer being mixed with YAG, about 200-500nm.The blue light components quilt that LED substrate sends
fluorescent materialabsorb, the yellow light mix that another part blue light and fluorescent material send, can obtain obtaining white light.For InGaN/YAG White LED, by changing
yAGthe chemical composition of fluorescent material and the thickness of adjustment phosphor powder layer, can obtain the assorted white light of colour temperature 3500-10000K.This method being obtained white light by blue-ray LED, simple structure, with low cost, technology maturity is high, therefore uses at most.But in order to overcome the potential safety hazard that the luminous because overtension of lithium LED causes, the LED light emitting module effectively extending LED useful life is the important means improving its serviceability.
Summary of the invention
The object of the present invention is to provide a kind of LED light emitting module.
For achieving the above object; the invention provides following technical scheme: a kind of LED light emitting module; described LED circuit module comprises power circuit unit, drive circuit unit, control circuit unit and LED illuminating circuit unit; power circuit unit is connected with drive circuit unit and LED illuminating circuit unit respectively; control circuit unit is connected with drive circuit unit and LED illuminating circuit unit, and described power circuit unit is also provided with protective circuit unit.
Preferably, described power circuit unit comprises power supply chip, and power supply chip comprises earth terminal, LED drive circuit feeder ear and LED illuminating circuit feeder ear.
Preferably, described drive circuit unit comprises driving chip, and described driving chip comprises LE end, CLK end, OE end, voltage input end and multiple LED signal output pin.
Preferably, described driving chip is model is MBI5042, ZQ9726 or SMT5026.
Preferably, described control circuit unit comprises control chip, and control chip is CAT4201 chip.
Preferably, described LED illuminating circuit unit comprises at least one LED branch road, comprises the LED module of series and parallel connections.
The beneficial effect of above technical scheme is adopted to be: to the invention discloses a kind of LED light emitting module, described LED circuit module comprises power circuit unit, drive circuit unit, control circuit unit and LED illuminating circuit unit, power circuit unit is connected with drive circuit unit and LED illuminating circuit unit respectively, control circuit unit is connected with drive circuit unit and LED illuminating circuit unit, described power circuit unit is also provided with protective circuit unit, power circuit unit is connected with protective circuit unit, stabling current and voltage can be provided for LED light module, prevent the voltage drop of the output of the control part caused because of the increase of the current sinking of circuit part, the generation of unwanted electric current can be prevented, also comprise overheating protection circuit, be applicable to LED field.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiments of the invention.
Fig. 2 is protective circuit schematic diagram.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
embodiment:
A kind of LED light emitting module; described LED circuit module comprises power circuit unit, drive circuit unit, control circuit unit and LED illuminating circuit unit; power circuit unit is connected with drive circuit unit and LED illuminating circuit unit respectively; control circuit unit is connected with drive circuit unit and LED illuminating circuit unit, and described power circuit unit is also provided with protective circuit unit.
Described power circuit unit comprises power supply chip, power supply chip comprises earth terminal, LED drive circuit feeder ear, and LED illuminating circuit feeder ear, described drive circuit unit comprises driving chip, described driving chip comprises LE end, CLK holds, OE holds, voltage input end and multiple LED signal output pin, described driving chip is model is MBI5042, ZQ9726 or SMT5026, described control circuit unit comprises control chip, control chip is CAT4201 chip, described LED illuminating circuit unit comprises at least one LED branch road, comprise the LED module of series and parallel connections.
The effect of protective circuit is: protective circuit comprises power supply terminal (VDD), earth terminal (GND), control part (11) and supply unit (12), described control part (11) is connected with power supply terminal and earth terminal, described supply unit (12) is connected with power supply terminal and earth terminal, control part generates according to the current potential supplied from power supply terminal and from the current potential that above-mentioned earth terminal supplies the controlling potential controlled control part and supply unit, supply unit can based on the current potential supplied from power supply terminal, the current potential supplied from earth terminal and the controlling potential generated by control part, to the circuit part's supply electric current connected in rear class.Therefore, prevent the voltage drop of the output of the control part caused because of the increase of the current sinking of circuit part, the generation of unwanted electric current can be prevented.
The invention provides a kind of LED light emitting module, described LED circuit module comprises power circuit unit, drive circuit unit, control circuit unit and LED illuminating circuit unit, power circuit unit is connected with drive circuit unit and LED illuminating circuit unit respectively, control circuit unit is connected with drive circuit unit and LED illuminating circuit unit, described power circuit unit is also provided with protective circuit unit, power circuit unit is connected with protective circuit unit, stabling current and voltage can be provided for LED light module, prevent the voltage drop of the output of the control part caused because of the increase of the current sinking of circuit part, the generation of unwanted electric current can be prevented, also comprise overheating protection circuit, be applicable to LED field.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (6)
1. a LED light emitting module; it is characterized in that; described LED circuit module comprises power circuit unit, drive circuit unit, control circuit unit and LED illuminating circuit unit; power circuit unit is connected with drive circuit unit and LED illuminating circuit unit respectively; control circuit unit is connected with drive circuit unit and LED illuminating circuit unit, and described power circuit unit is also provided with protective circuit unit.
2. a kind of LED light emitting module according to claim 1, is characterized in that: described power circuit unit comprises power supply chip, and power supply chip comprises earth terminal, LED drive circuit feeder ear and LED illuminating circuit feeder ear.
3. a kind of LED light emitting module according to claim 1, is characterized in that: described drive circuit unit comprises driving chip, and described driving chip comprises LE end, CLK end, OE end, voltage input end and multiple LED signal output pin.
4. a kind of LED light emitting module according to claim 1, is characterized in that: described driving chip is model is MBI5042, ZQ9726 or SMT5026.
5. according to claim 4 a kind of LED light emitting module, it is characterized in that: described control circuit unit comprises control chip, control chip is CAT4201 chip.
6. a kind of LED light emitting module according to claim 1, is characterized in that: described LED illuminating circuit unit comprises at least one LED branch road, comprises the LED module of series and parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805315.8A CN105451389A (en) | 2015-11-20 | 2015-11-20 | LED lamp light-emitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805315.8A CN105451389A (en) | 2015-11-20 | 2015-11-20 | LED lamp light-emitting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105451389A true CN105451389A (en) | 2016-03-30 |
Family
ID=55561050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510805315.8A Pending CN105451389A (en) | 2015-11-20 | 2015-11-20 | LED lamp light-emitting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105451389A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368709A (en) * | 2008-09-02 | 2009-02-18 | 宁波电子器材一厂 | LED lighting lamp for elevator |
| JP2010257718A (en) * | 2009-04-23 | 2010-11-11 | Toshiba Lighting & Technology Corp | LED lighting device and marker lamp system |
| CN101932158A (en) * | 2010-08-17 | 2010-12-29 | 深圳市洲明科技股份有限公司 | Led circuit |
| CN103515946A (en) * | 2012-06-28 | 2014-01-15 | 阿尔卑斯电气株式会社 | Protection circuit |
| CN104735879A (en) * | 2015-03-26 | 2015-06-24 | 谢晶 | Led circuit |
-
2015
- 2015-11-20 CN CN201510805315.8A patent/CN105451389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368709A (en) * | 2008-09-02 | 2009-02-18 | 宁波电子器材一厂 | LED lighting lamp for elevator |
| JP2010257718A (en) * | 2009-04-23 | 2010-11-11 | Toshiba Lighting & Technology Corp | LED lighting device and marker lamp system |
| CN101932158A (en) * | 2010-08-17 | 2010-12-29 | 深圳市洲明科技股份有限公司 | Led circuit |
| CN103515946A (en) * | 2012-06-28 | 2014-01-15 | 阿尔卑斯电气株式会社 | Protection circuit |
| CN104735879A (en) * | 2015-03-26 | 2015-06-24 | 谢晶 | Led circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10182486B2 (en) | LED drive circuit | |
| CN107079564B (en) | LED drive circuit | |
| TW200719762A (en) | LED replacement bulb | |
| CN103929851A (en) | LED circuit with dimming function and color matching function | |
| CN107455015B (en) | Light fixture, LED strip, lighting apparatus and the method for manufacturing light fixture | |
| US20100109553A1 (en) | Led bulb with zener diode, zener diode assembly or resistor connected in series | |
| CN103874310A (en) | Method for improving LED visual illuminating effect and lowering heating of LED lamp | |
| CN203827567U (en) | Light-and-color-adjustable LED circuit | |
| CN105451389A (en) | LED lamp light-emitting module | |
| CN203746900U (en) | A white LED | |
| US20120326626A1 (en) | Led control system | |
| CN204756572U (en) | LED base plate area | |
| CN203399360U (en) | PWM light-adjusting LED device based on temperature control | |
| JP2016162753A (en) | Illumination device having color conversion device | |
| KR20150051780A (en) | Light emitting module | |
| CN204693325U (en) | A kind of reflector for light emitting diode module | |
| CN205014130U (en) | LED base plate area | |
| CN203023880U (en) | Light-emitting diode (LED) module with multiple welding feet to carry out power supply | |
| CN103796399A (en) | Undistorted LED PWM luminance control circuit | |
| CN203645885U (en) | Embedded intelligent dimming control module | |
| CN109357201A (en) | A kind of LED spotlight adjusting radiation response | |
| US20110115387A1 (en) | Led lamp and protecting circuit thereof | |
| KR101475592B1 (en) | LED driver | |
| CN102235589B (en) | High-density packing LED table lamp | |
| CN107660028B (en) | Single I/O double-lamp control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
|
| RJ01 | Rejection of invention patent application after publication |