CN204069455U - A kind of drive circuit of LED - Google Patents
A kind of drive circuit of LED Download PDFInfo
- Publication number
- CN204069455U CN204069455U CN201420578548.XU CN201420578548U CN204069455U CN 204069455 U CN204069455 U CN 204069455U CN 201420578548 U CN201420578548 U CN 201420578548U CN 204069455 U CN204069455 U CN 204069455U
- Authority
- CN
- China
- Prior art keywords
- capacitor
- branch road
- emitting diode
- led light
- led
- 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
- Led Devices (AREA)
Abstract
The utility model relates to a kind of drive circuit, is a kind of drive circuit of LED in particular, comprises storage battery, capacitor C
1, capacitor C
2with many branch roads.Storage battery is the power supply in circuit, and the voltage at storage battery two ends is a constant voltage.Capacitor C
1be filter capacitor, play filtering, capacitor C
2high-frequency bypass capacitor, capacitor C
1with capacitor C
2parallel connection in circuit.Branch road in circuit in parallel has many, employing constant-current source drives, in parallel between each branch road, so not only can reduce the spoilage of LED light-emitting diode, and every bar branch road is independent of each other, normally work even if the LED light-emitting diode in certain branch road damages the LED light-emitting diode that also can not affect in other branch road.Every bar branch road all comprises the LED light-emitting diode of a constant current source driving circuit be made up of resistance, diode, triode and seven series connection.
Description
Technical field
The utility model relates to a kind of drive circuit, is a kind of drive circuit of LED in particular.
Background technology
LED light-emitting diode came out from the sixties in 20th century, and originally also just for various indicator light, along with the develop rapidly of electronic technology, the application of LED light-emitting diode is also more and more wider.In addition, because LED light-emitting diode has lot of advantages, such as LED light-emitting diode substantially on be that the wafer of a piece very little is encapsulated in inside epoxy resin, so its volume very little, very light; The power consumption of LED light-emitting diode is quite low, and in general the operating voltage of LED light-emitting diode is 2-3.6V, only needs atomic weak current to get final product normal luminous; LED light-emitting diode uses chemiluminescence technology, and caloric value is more much lower than Same Efficieney ordinary luminaire; LED light-emitting diode is made up of nontoxic material, can pollute containing mercury unlike fluorescent lamp, and LED light-emitting diode also can recycling simultaneously.So the nowadays application of LED light-emitting diode is wide especially, is not only used as indicator light, also can be used as electronic curtain, as LED.Nowadays the LED made of LED light-emitting diode is a lot, and little of flashlight, desk lamp, arrive street lamp greatly, kind is a lot.But because LED light-emitting diode is when being made into various lamp, generally all be made up of a lot of LED light-emitting diodes, sometimes a LED light-emitting diode damages and whole lamp will be caused all cannot normally to work, and present LED lamp drive circuit is just in parallel by each LED light-emitting diode, fundamentally do not solve the flimsy problem of LED light-emitting diode, so design one can reduce LED light-emitting diode spoilage, and the circuit be independent of each other between each LED light-emitting diode is necessary.
Summary of the invention
The technical problem that the utility model mainly solves is to provide a kind of drive circuit of LED, not only can reduce the spoilage of LED light-emitting diode, and can prevent because a LED light-emitting diode damages and makes the situation that whole LED all cannot work.
For solving the problems of the technologies described above, the drive circuit of a kind of LED of the utility model, comprises storage battery, capacitor C
1, capacitor C
2with many branch roads.Storage battery is the power supply in circuit, and the voltage at storage battery two ends is a constant voltage.Capacitor C
1be filter capacitor, play filtering, capacitor C
2high-frequency bypass capacitor, capacitor C
1with capacitor C
2parallel connection in circuit.Branch road has many, employing constant-current source drives, in parallel between each branch road, so not only can reduce the spoilage of LED light-emitting diode, and every bar branch road is independent of each other, normally work even if the LED light-emitting diode in certain branch road damages the LED light-emitting diode that also can not affect in other branch road.Every bar branch road all comprises the LED light-emitting diode of a constant current source driving circuit be made up of resistance, diode, triode and seven series connection.
The beneficial effect of the drive circuit of a kind of LED of the utility model is:
The drive circuit of a, this LED adopts constant-current source to drive, and can reduce the spoilage of LED light-emitting diode;
The drive circuit of b, this LED has multiple branch road, each branch road comprises the LED light-emitting diode of 7 series connection, in parallel between each branch road, normally work even if the LED light-emitting diode in certain branch road damages the LED light-emitting diode that also can not affect in other branch road.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in more detail.
Fig. 1 is the circuit diagram of the drive circuit of a kind of LED of the utility model.
Embodiment
In FIG: the utility model relates to a kind of drive circuit, be a kind of drive circuit of LED in particular, comprise storage battery, capacitor C
1, capacitor C
2with many branch roads.Storage battery is the power supply in circuit, and the voltage at storage battery two ends is a constant voltage.Storage battery directly connects alternating current by charger and charges.Capacitor C
1be filter capacitor, play filtering, capacitor C
2high-frequency bypass capacitor, capacitor C
1with capacitor C
2parallel connection in circuit.Branch road has four, employing constant-current source drives, in parallel between each branch road, so not only can reduce the spoilage of LED light-emitting diode, and every bar branch road is independent of each other, normally work even if the LED light-emitting diode in certain branch road damages the LED light-emitting diode that also can not affect in other branch road.Every bar branch road all comprises the LED light-emitting diode of a constant current source driving circuit be made up of resistance, diode, triode and seven series connection.Structure, the parameter of the LED light-emitting diode in each branch road are all identical, so not only can make evenly luminous, also make the drive circuit of LED Light-Emitting Diode simpler.
Certainly; above-mentioned explanation is not limitation of the utility model; the utility model is also not limited only to above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also belongs to protection range of the present utility model.
Claims (4)
1. a drive circuit for LED, comprises storage battery, capacitor C
1, capacitor C
2and branch road, it is characterized in that: the drive circuit of this LED adopts storage battery to be power supply, and the voltage at storage battery two ends is a constant voltage; Capacitor C
1filter capacitor, capacitor C
2high-frequency bypass capacitor, capacitor C
1with capacitor C
2parallel connection in circuit; Branch road has many, adopts constant-current source to drive, and in parallel between each branch road, every bar branch road all comprises the LED light-emitting diode of a constant current source driving circuit be made up of resistance, diode, triode and multiple series connection.
2. the drive circuit of a kind of LED according to claim 1, is characterized in that: described branch road has four.
3. the drive circuit of a kind of LED according to claim 1, is characterized in that: the LED light-emitting diode of connecting in described every bar branch road has seven.
4. the drive circuit of a kind of LED according to claim 1, is characterized in that: structure, the parameter of the LED light-emitting diode in each described branch road are all identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578548.XU CN204069455U (en) | 2014-10-08 | 2014-10-08 | A kind of drive circuit of LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420578548.XU CN204069455U (en) | 2014-10-08 | 2014-10-08 | A kind of drive circuit of LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069455U true CN204069455U (en) | 2014-12-31 |
Family
ID=52210891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420578548.XU Expired - Fee Related CN204069455U (en) | 2014-10-08 | 2014-10-08 | A kind of drive circuit of LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204069455U (en) |
-
2014
- 2014-10-08 CN CN201420578548.XU patent/CN204069455U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150208475A1 (en) | Drive circuit for led module | |
| CN102098849B (en) | Light-emitting diode (LED) driving chip | |
| CN202077247U (en) | Illumination drive power supply for Light-emitting diode (LED) streetlamp | |
| CN204104169U (en) | A kind of high-power LED drive circuit | |
| US20120049751A1 (en) | Transformer-free led lighting device directly utilizing the ac power from city electricity | |
| CN204069455U (en) | A kind of drive circuit of LED | |
| CN201944632U (en) | LED (Light Emitting Diode) daylight lamp | |
| CN204634101U (en) | Based on the Anti-surging LED drive circuit of piezo-resistance | |
| CN106793315A (en) | LED Intelligent constant flow constant-voltage driving power sources | |
| CN204244504U (en) | A kind of drive circuit of ballast formula LED | |
| CN202818677U (en) | Circuit capable of stabilizing voltage of light emitting diode | |
| CN204014184U (en) | A kind of drive circuit of LED traffic lights | |
| CN103179718A (en) | Novel LED (light emitting diode) lighting drive circuit | |
| CN103269540B (en) | Double-circuit complementary linear LED constant current circuit | |
| CN202535579U (en) | Constant current circuit and light-emitting diode (LED) lamp | |
| CN206629309U (en) | A kind of tandem copper wire lamp string drive circuit | |
| CN104378889A (en) | Driving circuit of LED lamp | |
| CN204104188U (en) | A kind of LED lamp | |
| CN204180324U (en) | A kind of Novel LED illuminating driver | |
| CN204634103U (en) | There is the simple and easy LED driving circuit of energy-saving lamp of surge protection function | |
| CN204206556U (en) | The LED drive device of adjustable color | |
| CN204836727U (en) | Energy -conserving LED lamp control circuit | |
| CN203968475U (en) | Microminiature LED constant-current drive circuit | |
| CN202998593U (en) | Anti-impact power supply circuit and LED lamp | |
| CN202043323U (en) | Driving part of LED (light-emitting diode) light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |