CN102444808A - Lamp point protection type high-power high-brightness LED light source module - Google Patents
Lamp point protection type high-power high-brightness LED light source module Download PDFInfo
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- CN102444808A CN102444808A CN2010105056560A CN201010505656A CN102444808A CN 102444808 A CN102444808 A CN 102444808A CN 2010105056560 A CN2010105056560 A CN 2010105056560A CN 201010505656 A CN201010505656 A CN 201010505656A CN 102444808 A CN102444808 A CN 102444808A
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- light source
- led light
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Abstract
A lamp point protection type high-power high-brightness LED light source module adopts a structure that a voltage stabilizer is connected in parallel with each luminescence chip connected in series and each series-connected branch is independently powered in a constant-current manner and is independently encapsulated in a separate-row manner, so as to solve the problem that the whole circuit is damaged and can not work normally because a single luminescence chip is open-circuit, short-circuit or damaged. Through the invention, the individual series-connected branch and the whole module can not be affected and can still work normally in case of individual luminescence chip in failure, and the service life of the integrated type high-power high-brightness LED light source module is greatly prolonged.
Description
Technical field
The present invention relates to the integrated module of a kind of led light source, particularly a kind of lamp point protection formula high-power and high-luminance LED light source module that increases substantially the led light source module life-span.
Background technology
Existing integrated form high-power and high-luminance LED light source module all is with parallel connection again after the luminescence chip series connection of 1W or 3W, forms the high power light source module.Generally be that per 10 led light sources are serially connected in row.As long as have a chip to occur opening circuit in the circuit or internal resistance when becoming big, all will cause this row chip all can't operate as normal.If all there is chip to damage in every column circuits, then entire module can't be used; As long as when having a chip short circuit to occur in the circuit, the electric current of this column circuits can be influenced by it and increase.Owing to be series parallel circuits and centralized control technique, around can involving then, damage other chips, finally cause the entire module can't operate as normal.
Summary of the invention
Deficiency in view of integrated form high-power and high-luminance LED light source module existence at present; The objective of the invention is to design a kind of when individual chip opens circuit, when internal resistance becomes the different faults of big or short circuit, still can guarantee the high-power and high-luminance LED light source module of this row luminescence chip and whole LED light source module operate as normal.
The present invention realizes above-mentioned purpose of design through following technical measures:
This lamp point protection formula high-power and high-luminance LED light source module comprises integrated module carrier, AC/DC power supply changeover device, constant-current controller and apportion LED coupled in series light source chip, it is characterized in that voltage-stabilizing device of each led chip parallel connection.
In order to keep every row series connection chip relatively independent, unaffected each other, the present invention is every row led chip circuit individual packages, and each row led chip circuit all through one independently constant-current controller be connected with the AC/DC power supply changeover device.
Above-mentioned packing forms also can be that every row led chip is connected with the AC/DC power supply changeover device after the individual packages with corresponding constant-current controller in the lump again.
Operation principle of the present invention is: when a certain luminescence chip opens circuit or internal resistance when becoming big the damage, the luminescence chip voltage raises, and punctures voltage-stabilizing device, guarantees the required current flowing of led chip, and whole series circuit still can normally be moved because of the conducting of voltage-stabilizing device; When a certain luminescence chip short circuit damages; The total current of this circuit increases because of the chip short circuit; Owing to adopt march-past encapsulation and independent constant-current driving; Independently constant-current controller will be adjusted automatically, control electric current, make whole series circuit can not damage all luminescence chips because the chip short circuit current increases, thereby guarantee the work of whole LED light source module normal and stable.
Because the present invention has taked voltage-stabilizing device of parallel connection on each luminescence chip; Adopt apportion independence constant current power supply and apportion individual packages; Solved effectively because of single luminescence chip opens circuit, short circuit damages entire circuit is caused damage; Make the problem that the whole LED illuminating module can not normal operation, thereby ensured that LED illuminating module single series arm and entire module when indivedual luminescence chips damage are unaffected, the work of still remaining valid; Simultaneously, also improved the service life of integrated form high-power and high-luminance LED light source module greatly.
Description of drawings
Fig. 1 is existing integrated form high-power LED light source modular circuit structural representation.
Fig. 2 is this lamp point protection formula high-power and high-luminance LED light source modular circuit structural representation.
The specific embodiment
Embodiment 1
As shown in Figure 2, the led light source module is that the LED1 to LED10 with each group connects, Zener diode D1 to D10 of parallel connection on each led chip respectively, apportion encapsulation then.The AC/DC converter is connected with each paths of LEDs series connection chip through a constant-current controller respectively, forms the high-power and high-luminance LED light source module.
After AC/DC converter (rectification full-bridge) becomes the 220V civil power into DC voltage, for each row LED luminescence chip power supply is provided through each constant-current controller.
In the present embodiment, the AC/DC converter adopts KBU6005G bridge full-wave rectifier converter, and constant-current controller adopts HV9906, and the LED luminescence chip adopts 1W-3W B4545A high brightness chip, and Zener diode adopts 1N4730.
The technical parameter of above-mentioned device is respectively:
1, AC/DC converter rectification full-bridge important technological parameters;
Electric current: 3--6A
Voltage: 800--1000V
Operating ambient temperature :-40--+85 ℃
2, constant-current controller HV9906 important technological parameters;
AC-input voltage scope: 85V-280V
DC input voitage scope: 12-400V
Voltage-stablizer input voltage range: 10-400V
Operating current is less than 1.5mA
Operating ambient temperature :-40--+85 ℃
3,1W-3W high brightness chip B4545A important technological parameters;
Voltage: 3.2-3.6V
Electric current 350mA--1400mA
Operating ambient temperature :-40--+85 ℃
4, Zener diode 1N4730 important technological parameters;
Voltage: 3.6--3.9V
Electric current: 1-3A
Operating ambient temperature :-40--+85 ℃
Claims (4)
1. a lamp point protection formula high-power and high-luminance LED light source module comprises integrated module carrier, AC/DC power supply changeover device, constant-current controller and apportion LED coupled in series light source chip, it is characterized in that voltage-stabilizing device of each led chip parallel connection.
2. lamp point protection formula high-power and high-luminance LED light source module according to claim 1 is characterized in that each row led chip circuit individual packages.
3. lamp point protection formula high-power and high-luminance LED light source module according to claim 2 is characterized in that the AC/DC power supply changeover device is connected with a plurality of constant-current controllers, and each constant-current controller is connected with the led chip circuit of a row individual packages respectively.
4. lamp point protection formula high-power and high-luminance LED light source module according to claim 3 is characterized in that each row led chip circuit and constant-current controller individual packages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105056560A CN102444808A (en) | 2010-10-13 | 2010-10-13 | Lamp point protection type high-power high-brightness LED light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105056560A CN102444808A (en) | 2010-10-13 | 2010-10-13 | Lamp point protection type high-power high-brightness LED light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102444808A true CN102444808A (en) | 2012-05-09 |
Family
ID=46007577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105056560A Pending CN102444808A (en) | 2010-10-13 | 2010-10-13 | Lamp point protection type high-power high-brightness LED light source module |
Country Status (1)
| Country | Link |
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| CN (1) | CN102444808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974492A (en) * | 2013-01-31 | 2014-08-06 | 台达电子工业股份有限公司 | Light-emitting device and control method thereof |
| TWI492663B (en) * | 2013-01-30 | 2015-07-11 | Delta Electronics Inc | Light-emitting device and control method of the same |
| CN109936891A (en) * | 2017-12-18 | 2019-06-25 | 天津工大海宇照明部品有限公司 | A kind of LED rear combination lamp illuminator |
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| CN101196275A (en) * | 2006-12-09 | 2008-06-11 | 高宇洲 | LED Lamp decoration |
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| CN109936891A (en) * | 2017-12-18 | 2019-06-25 | 天津工大海宇照明部品有限公司 | A kind of LED rear combination lamp illuminator |
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Application publication date: 20120509 |