CN202514112U - LED driving circuit for controllable silicon regulating circuit - Google Patents
LED driving circuit for controllable silicon regulating circuit Download PDFInfo
- Publication number
- CN202514112U CN202514112U CN2012200644166U CN201220064416U CN202514112U CN 202514112 U CN202514112 U CN 202514112U CN 2012200644166 U CN2012200644166 U CN 2012200644166U CN 201220064416 U CN201220064416 U CN 201220064416U CN 202514112 U CN202514112 U CN 202514112U
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- voltage stabilizing
- controllable silicon
- positive pole
- negative pole
- led
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Abstract
The utility model belongs to the technical field of electronics, and particularly relates to an LED driving circuit for a controllable silicon regulating circuit. The driving circuit comprises a rectifier bridge, a voltage stabilizing diode D5, a constant current diode D6, an LED array and a resistor R which are serially connected, wherein the positive output end of the rectifier bridge is connected with the negative pole of the voltage stabilizing diode D5; the positive pole of the voltage stabilizing diode D5 is connected with the positive pole of the constant current diode D6; the negative pole of the constant current diode D6 is connected with the positive pole of the LED array; the negative pole of the LED array is connected with the negative output end of the rectifier bridge through the resistor R; and the controllable silicon regulating circuit is serially connected to an input end of the rectifier bridge. The LED driving circuit of the utility model is applicable to controllable silicon dimming and delay switch circuits, and has higher universality compared with existing special circuits, so that the cost of an LED lamp driving circuit is reduced; the voltage stabilizing diodes and loads are serially connected, the step-down purpose is achieved with the reverse breakdown voltage characteristic of the voltage stabilizing diodes, the conventional use methods of the voltage stabilizing diodes are broken through, and an expected effect is achieved.
Description
Technical field
The utility model belongs to electronic technology field, is specially a kind of led drive circuit that is used for the controllable silicon regulating circuit.
Background technology
At present all LED illuminating lamps all can not be directly with on the controllable silicon light modulation of civil power 220V serial connection externally, the delay switch circuit, be very important so design the LED lighting lamp circuit that directly uses in a kind of controllable silicon regulating circuit externally.
The utility model content
To the problem that exists in the prior art, the purpose of the utility model is to provide a kind of technical scheme that is used for the led drive circuit of controllable silicon regulating circuit.
The described led drive circuit that is used for the controllable silicon regulating circuit; It is characterized in that described drive circuit is formed by rectifier bridge, voltage stabilizing didoe D5, current regulator diode D6, led array, resistance R serial connection; The positive pole output of rectifier bridge connects the negative pole of voltage stabilizing didoe D5; The positive pole of voltage stabilizing didoe D5 connects the positive pole of current regulator diode D6, and it is anodal that the negative pole of current regulator diode D6 connects led array, and the led array negative pole links to each other with the negative pole output of rectifier bridge through resistance R; Described controllable silicon regulating circuit serial connection is arranged on input one end of rectifier bridge.
The described led drive circuit that is used for the controllable silicon regulating circuit; The positive pole output that it is characterized in that described rectifier bridge connects the negative pole of voltage stabilizing didoe D5, the negative pole of voltage stabilizing didoe D7, the negative pole of voltage stabilizing didoe D8; The positive pole of the positive pole of the positive pole of voltage stabilizing didoe D5, voltage stabilizing didoe D7, voltage stabilizing didoe D8 connects the positive pole of current regulator diode D6, the positive pole of current regulator diode D10, the positive pole of current regulator diode D9 respectively, and the negative pole of the negative pole of current regulator diode D6, current regulator diode D10, the negative pole of current regulator diode D9 connect the led array positive pole respectively.
The described led drive circuit that is used for the controllable silicon regulating circuit is characterized in that described led array is formed by at least two LED serial connections, and LED is plug-in unit or patch light-emitting diode.
The described led drive circuit that is used for the controllable silicon regulating circuit connects the 220V alternating current after it is characterized in that described rectifier bridge input and the controllable silicon regulating circuit being connected in series again.
The described led drive circuit that is used for the controllable silicon regulating circuit is characterized in that described controllable silicon regulating circuit is controllable silicon light modulation or controllable silicon delay switch circuit.
Compared with prior art, the advantage of the utility model is:
1) the utility model is applicable to controllable silicon light modulation, delay switch circuit, compares with existing special circuit, has more versatility;
2) the utility model circuit has versatility, and it greatly reduces the cost of LED lamp drive circuit;
3) the utility model is applicable to the Combination application of 100mA electric current with interior any LED lighting;
4) the utility model circuit structure is simple, realizes that easily voltage stabilizing didoe is connected in series setting with load, utilizes the characteristic of voltage stabilizing didoe reverse breakdown voltage to reach the purpose of step-down, and the usage of off the beaten track voltage stabilizing didoe has played beyond thought effect.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
Below in conjunction with Figure of description the utility model is further specified:
The led drive circuit that is applicable to the controllable silicon regulating circuit as shown in Figure 1; This drive circuit is formed by rectifier bridge, voltage stabilizing didoe D5, current regulator diode D6, led array, resistance R serial connection; The positive pole output of rectifier bridge connects the negative pole of voltage stabilizing didoe D5; The positive pole of voltage stabilizing didoe D5 connects the positive pole of current regulator diode D6, and it is anodal that the negative pole of current regulator diode D6 connects led array, and the led array negative pole links to each other with the negative pole output of rectifier bridge through resistance R; And controllable silicon regulating circuit serial connection is arranged on input one end of rectifier bridge.
The utility model led array is formed by at least two LED serial connection, and LED is plug-in unit or patch light-emitting diode, and rectifier bridge is made up of rectifier diode D1-D4, the rectifier bridge input with connect the 220V alternating current again after the controllable silicon regulating circuit is connected in series.
The controllable silicon regulating circuit of the utility model is controllable silicon light modulation or controllable silicon delay switch circuit.
The device model that the utility model adopts is associated with the LED lighting of driving.As make the LED lamp of 30W; With high-power 1W * 30 a tandem compound required voltage is 99V; Electric current 300mA can be connected on the led array loop, voltage stabilizing didoe D5 as shown in Figure 2, D7, D8 and current regulator diode D6, D9, D10 with 3 voltage stabilizing didoes and 3 current regulator diodes and joint group.
The voltage stabilizing didoe utilization generally all is used in local voltage stabilizing or the reverse breakdown control circuit; The utility model is directly to utilize the reverse breakdown voltage of voltage stabilizing didoe to carry out step-down; This is unprecedented a kind of step-down mode, and electric current generally is controlled at below the 100mA in the circuit.
The utility model reduces the driving power cost significantly, can reduce by 70% cost than existing Switching Power Supply.Simultaneously, prolong 2-3 doubly than the existing charged driving power life-span of separating electric capacity, really realize the corresponding life-span of LED.
Claims (5)
1. the led drive circuit that is used for the controllable silicon regulating circuit; It is characterized in that described drive circuit is formed by rectifier bridge, voltage stabilizing didoe D5, current regulator diode D6, led array, resistance R serial connection; The positive pole output of rectifier bridge connects the negative pole of voltage stabilizing didoe D5; The positive pole of voltage stabilizing didoe D5 connects the positive pole of current regulator diode D6, and it is anodal that the negative pole of current regulator diode D6 connects led array, and the led array negative pole links to each other with the negative pole output of rectifier bridge through resistance R; Described controllable silicon regulating circuit serial connection is arranged on input one end of rectifier bridge.
2. the led drive circuit that is used for the controllable silicon regulating circuit according to claim 1; The positive pole output that it is characterized in that described rectifier bridge connects the negative pole of voltage stabilizing didoe D5, the negative pole of voltage stabilizing didoe D7, the negative pole of voltage stabilizing didoe D8; The positive pole of the positive pole of the positive pole of voltage stabilizing didoe D5, voltage stabilizing didoe D7, voltage stabilizing didoe D8 connects the positive pole of current regulator diode D6, the positive pole of current regulator diode D10, the positive pole of current regulator diode D9 respectively, and the negative pole of the negative pole of current regulator diode D6, current regulator diode D10, the negative pole of current regulator diode D9 connect the led array positive pole respectively.
3. the led drive circuit that is used for the controllable silicon regulating circuit according to claim 1 is characterized in that described led array is formed by at least two LED serial connections, and LED is plug-in unit or patch light-emitting diode.
4. the led drive circuit that is used for the controllable silicon regulating circuit according to claim 1 connects the 220V alternating current after it is characterized in that described rectifier bridge input and the controllable silicon regulating circuit being connected in series again.
5. the led drive circuit that is used for the controllable silicon regulating circuit according to claim 1 is characterized in that described controllable silicon regulating circuit is controllable silicon light modulation or controllable silicon delay switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200644166U CN202514112U (en) | 2012-02-27 | 2012-02-27 | LED driving circuit for controllable silicon regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200644166U CN202514112U (en) | 2012-02-27 | 2012-02-27 | LED driving circuit for controllable silicon regulating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202514112U true CN202514112U (en) | 2012-10-31 |
Family
ID=47066561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200644166U Expired - Fee Related CN202514112U (en) | 2012-02-27 | 2012-02-27 | LED driving circuit for controllable silicon regulating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202514112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573243A (en) * | 2012-02-27 | 2012-07-11 | 杭州鸿德照明科技有限公司 | Light-emitting diode (LED) driving circuit for controlled silicon regulating circuit |
| CN103090237A (en) * | 2013-01-31 | 2013-05-08 | 东莞市贺喜光电有限公司 | Light-emitting diode (LED) lamp without power supply unit |
-
2012
- 2012-02-27 CN CN2012200644166U patent/CN202514112U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102573243A (en) * | 2012-02-27 | 2012-07-11 | 杭州鸿德照明科技有限公司 | Light-emitting diode (LED) driving circuit for controlled silicon regulating circuit |
| CN103090237A (en) * | 2013-01-31 | 2013-05-08 | 东莞市贺喜光电有限公司 | Light-emitting diode (LED) lamp without power supply unit |
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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: 20121031 Termination date: 20180227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |