CN105188185A - Lighting lamp circuit for night power maintenance - Google Patents
Lighting lamp circuit for night power maintenance Download PDFInfo
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- CN105188185A CN105188185A CN201510407300.6A CN201510407300A CN105188185A CN 105188185 A CN105188185 A CN 105188185A CN 201510407300 A CN201510407300 A CN 201510407300A CN 105188185 A CN105188185 A CN 105188185A
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Abstract
The invention provides a lighting lamp circuit for night power maintenance, belonging to the technical field of a lighting lamp circuit. The solved technical problem is that a night power maintenance lighting lamp circuit with soft start and anti-impluse ability and a boost and step-down driving circuit is provided. The employed technical scheme is that the lighting lamp circuit for night power maintenance comprises a power supply circuit, a driving circuit and a lighting lamp load circuit, and the driving circuit comprises an anti-impulse circuit, a soft starting circuit, an oscillation circuit, an amplification circuit and a boost and step-down circuit. The lighting lamp circuit is suitable for the lighting field.
Description
Technical field
The present invention is used for the lighting lamp circuit of night electricity maintenance, belongs to the technical field of lighting lamp circuit.
Background technology
In recent years, environmental pollution, energy shortage problem highlights, LED illumination is as a kind of energy-conservation form newly, due to it, to have electric light transformation efficiency high, energy-conserving and environment-protective, the advantage that life-span is long, thus enjoy great popularity, market there is the illuminating lamp much utilizing LED to make, when the voltage compare height of power supply, current-limiting resistance will consume a large amount of electric energy, circuit efficiency is low, when the voltage drop of power supply, the electric current flowing through LED in circuit can along with decline, its drive circuit is commonly simple resistance capacitance step-down or constant voltage drives, there is efficiency low, poor performance, the shortcomings such as applicability is low.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical problem to be solved is: provide a kind of night electricity repairing lighting circuit for lamp with soft start, protecting against shock ability and buck drive circuit.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: for the lighting lamp circuit of night electricity maintenance, comprise: power circuit, drive circuit and illuminating lamp load circuit, described drive circuit comprises shock resistance circuit, soft starting circuit, oscillating circuit, amplifying circuit and step-up/step-down circuit, the input of described shock resistance circuit is connected with the output of power circuit, the output of described shock resistance circuit is connected with the input of soft starting circuit, the output of described soft starting circuit is connected with the input of oscillating circuit, the output of described oscillating circuit is connected with the input of amplifying circuit, the output of described amplifying circuit is connected with the input of step-up/step-down circuit, the output of described step-up/step-down circuit is connected with the power end of illuminating lamp load circuit.
Described shock resistance circuit comprises electric capacity C1, resistance R2, resistance R3 and PNP type triode Q1, described soft starting circuit comprises electric capacity C2, resistance R4 and PNP type triode Q2, described oscillating circuit comprises electric capacity C3, resistance R5 and inverter U1, described amplifying circuit comprises inverter U2, and described step-up/step-down circuit comprises resistance R6, resistance R7, N-channel MOS pipe Q3, inductance L 1, diode D1 and electric capacity C4, described electric capacity C1 is attempted by the output of power circuit, described one end of resistance R2 is connected with the output plus terminal of power circuit, be connected with the output negative terminal of power circuit after the other end series resistor R3 of described resistance R2, the base stage of described PNP type triode Q1 is connected with the line between resistance R2 and resistance R3, the emitter of described PNP type triode Q1 is connected with the base stage of PNP type triode Q2, described electric capacity C2 is attempted by between the emitter of PNP type triode Q1 and collector electrode, the collector electrode of described PNP type triode Q1 and the collector electrode of PNP type triode Q2 are all connected with the output negative terminal of power circuit, be connected with the output plus terminal of power circuit after the emitter series resistor R4 of described PNP type triode Q2, be connected with the output negative terminal of power circuit after the input serial capacitance C3 of described inverter U1, between the input that described resistance R5 is attempted by inverter U1 and output, the output of described inverter U1 is connected with the input of inverter U2, the power end of described inverter U1 is all connected with the output plus terminal of power circuit with the power end of inverter U2, and the earth terminal of described inverter U1 is all connected with the output negative terminal of power circuit with the earth terminal of inverter U2, be connected with the grid of N-channel MOS pipe Q3 after the output series resistor R6 of described inverter U2, one end of described resistance R7 is connected with the grid of N-channel MOS pipe Q3, the source electrode of described N-channel MOS pipe Q3 is all connected with the output negative terminal of power circuit with the other end of resistance R7, be connected with the output plus terminal of power circuit after the drain electrode tandem electric inductance L1 of described N-channel MOS pipe Q3, the positive pole of described diode D1 is connected with the drain electrode of N-channel MOS pipe Q3, be connected with the power positive end of illuminating lamp load circuit behind one end of the negative pole shunt-wound capacitance C4 of described diode D1, the other end of described electric capacity C4 is all connected with the output plus terminal of power circuit with the power supply negative terminal of illuminating lamp load circuit, described power circuit comprises transformer F1, resistance R1 and bridge rectifier T1, the input of described transformer F1 is connected with mains supply, be connected with the input of bridge rectifier T1 after the output series resistor R1 of described transformer F1, the output of described bridge rectifier T1 is the output of power circuit.
The present invention compared with prior art has following beneficial effect:
Lighting lamp circuit for night electricity maintenance provided by the invention, power circuit, shock resistance circuit, soft starting circuit, oscillating circuit, amplifying circuit, step-up/step-down circuit and illuminating lamp load circuit are integrated, by shock resistance circuit and soft starting circuit, extend the life-span of LED, the electric current of buck translation circuit is controlled by oscillating circuit and amplifying circuit, the boosting or the step-down that flow to the electric current of load is realized by step-up/step-down circuit, improve efficiency and the performance of circuit, enhance the applicability of circuit.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail;
Fig. 1 is circuit theory diagrams of the present invention;
In figure: 1 is power circuit, 2 is drive circuit, and 3 is illuminating lamp load circuit, and 4 is shock resistance circuit, and 5 is soft starting circuit, and 6 is oscillating circuit, and 7 is amplifying circuit, and 8 is step-up/step-down circuit.
Embodiment
As shown in Figure 1, for the lighting lamp circuit of night electricity maintenance, comprise: power circuit 1, drive circuit 2 and illuminating lamp load circuit 3, described drive circuit 2 comprises shock resistance circuit 4, soft starting circuit 5, oscillating circuit 6, amplifying circuit 7 and step-up/step-down circuit 8, the input of described shock resistance circuit 4 is connected with the output of power circuit 1, the output of described shock resistance circuit 4 is connected with the input of soft starting circuit 5, the output of described soft starting circuit 5 is connected with the input of oscillating circuit 6, the output of described oscillating circuit 6 is connected with the input of amplifying circuit 7, the output of described amplifying circuit 7 is connected with the input of step-up/step-down circuit 8, the output of described step-up/step-down circuit 8 is connected with the power end of illuminating lamp load circuit 3.
Described shock resistance circuit 4 comprises electric capacity C1, resistance R2, resistance R3 and PNP type triode Q1, described soft starting circuit 5 comprises electric capacity C2, resistance R4 and PNP type triode Q2, described oscillating circuit 6 comprises electric capacity C3, resistance R5 and inverter U1, described amplifying circuit 7 comprises inverter U2, and described step-up/step-down circuit 8 comprises resistance R6, resistance R7, N-channel MOS pipe Q3, inductance L 1, diode D1 and electric capacity C4;
Described electric capacity C1 is attempted by the output of power circuit 1, one end of described resistance R2 is connected with the output plus terminal of power circuit 1, be connected with the output negative terminal of power circuit 1 after the other end series resistor R3 of described resistance R2, the base stage of described PNP type triode Q1 is connected with the line between resistance R2 and resistance R3, the emitter of described PNP type triode Q1 is connected with the base stage of PNP type triode Q2, described electric capacity C2 is attempted by between the emitter of PNP type triode Q1 and collector electrode, the collector electrode of described PNP type triode Q1 and the collector electrode of PNP type triode Q2 are all connected with the output negative terminal of power circuit 1, be connected with the output plus terminal of power circuit 1 after the emitter series resistor R4 of described PNP type triode Q2, be connected with the output negative terminal of power circuit 1 after the input serial capacitance C3 of described inverter U1, between the input that described resistance R5 is attempted by inverter U1 and output, the output of described inverter U1 is connected with the input of inverter U2, the power end of described inverter U1 is all connected with the output plus terminal of power circuit 1 with the power end of inverter U2, and the earth terminal of described inverter U1 is all connected with the output negative terminal of power circuit 1 with the earth terminal of inverter U2, be connected with the grid of N-channel MOS pipe Q3 after the output series resistor R6 of described inverter U2, one end of described resistance R7 is connected with the grid of N-channel MOS pipe Q3, the source electrode of described N-channel MOS pipe Q3 is all connected with the output negative terminal of power circuit 1 with the other end of resistance R7, be connected with the output plus terminal of power circuit 1 after the drain electrode tandem electric inductance L1 of described N-channel MOS pipe Q3, the positive pole of described diode D1 is connected with the drain electrode of N-channel MOS pipe Q3, be connected with the power positive end of illuminating lamp load circuit 3 behind one end of the negative pole shunt-wound capacitance C4 of described diode D1, the other end of described electric capacity C4 is all connected with the output plus terminal of power circuit 1 with the power supply negative terminal of illuminating lamp load circuit 3.
Described power circuit 1 comprises transformer F1, resistance R1 and bridge rectifier T1, the input of described transformer F1 is connected with mains supply, be connected with the input of bridge rectifier T1 after the output series resistor R1 of described transformer F1, the output of described bridge rectifier T1 is the output of power circuit 1.
Power circuit 1, shock resistance circuit 4, soft starting circuit 5, oscillating circuit 6, amplifying circuit 7, step-up/step-down circuit 8 and illuminating lamp load circuit 3 integrate by the present invention, by shock resistance circuit 4 and soft starting circuit 5, extend the life-span of LED, the electric current of buck translation circuit is controlled by oscillating circuit 6 and amplifying circuit 7, the boosting or the step-down that flow to the electric current of load is realized by step-up/step-down circuit 8, improve efficiency and the performance of circuit, enhance the applicability of circuit, there is outstanding substantive distinguishing features and significant progress; By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (3)
1. for the lighting lamp circuit of night electricity maintenance, comprise: power circuit (1), drive circuit (2) and illuminating lamp load circuit (3), it is characterized in that: described drive circuit (2) comprises shock resistance circuit (4), soft starting circuit (5), oscillating circuit (6), amplifying circuit (7) and step-up/step-down circuit (8), the input of described shock resistance circuit (4) is connected with the output of power circuit (1), the output of described shock resistance circuit (4) is connected with the input of soft starting circuit (5), the output of described soft starting circuit (5) is connected with the input of oscillating circuit (6), the output of described oscillating circuit (6) is connected with the input of amplifying circuit (7), the output of described amplifying circuit (7) is connected with the input of step-up/step-down circuit (8), the output of described step-up/step-down circuit (8) is connected with the power end of illuminating lamp load circuit (3).
2. the lighting lamp circuit for night electricity maintenance according to claim 1, it is characterized in that: described shock resistance circuit (4) comprises electric capacity C1, resistance R2, resistance R3 and PNP type triode Q1, described soft starting circuit (5) comprises electric capacity C2, resistance R4 and PNP type triode Q2, described oscillating circuit (6) comprises electric capacity C3, resistance R5 and inverter U1, described amplifying circuit (7) comprises inverter U2, and described step-up/step-down circuit (8) comprises resistance R6, resistance R7, N-channel MOS pipe Q3, inductance L 1, diode D1 and electric capacity C4;
Described electric capacity C1 is attempted by the output of power circuit (1), one end of described resistance R2 is connected with the output plus terminal of power circuit (1), be connected with the output negative terminal of power circuit (1) after the other end series resistor R3 of described resistance R2, the base stage of described PNP type triode Q1 is connected with the line between resistance R2 and resistance R3, the emitter of described PNP type triode Q1 is connected with the base stage of PNP type triode Q2, described electric capacity C2 is attempted by between the emitter of PNP type triode Q1 and collector electrode, the collector electrode of described PNP type triode Q1 and the collector electrode of PNP type triode Q2 are all connected with the output negative terminal of power circuit (1), be connected with the output plus terminal of power circuit (1) after the emitter series resistor R4 of described PNP type triode Q2, be connected with the output negative terminal of power circuit (1) after the input serial capacitance C3 of described inverter U1, between the input that described resistance R5 is attempted by inverter U1 and output, the output of described inverter U1 is connected with the input of inverter U2, the power end of described inverter U1 is all connected with the output plus terminal of power circuit (1) with the power end of inverter U2, and the earth terminal of described inverter U1 is all connected with the output negative terminal of power circuit (1) with the earth terminal of inverter U2, be connected with the grid of N-channel MOS pipe Q3 after the output series resistor R6 of described inverter U2, one end of described resistance R7 is connected with the grid of N-channel MOS pipe Q3, the source electrode of described N-channel MOS pipe Q3 is all connected with the output negative terminal of power circuit (1) with the other end of resistance R7, be connected with the output plus terminal of power circuit (1) after the drain electrode tandem electric inductance L1 of described N-channel MOS pipe Q3, the positive pole of described diode D1 is connected with the drain electrode of N-channel MOS pipe Q3, be connected with the power positive end of illuminating lamp load circuit (3) behind one end of the negative pole shunt-wound capacitance C4 of described diode D1, the other end of described electric capacity C4 is all connected with the output plus terminal of power circuit (1) with the power supply negative terminal of illuminating lamp load circuit (3).
3. the lighting lamp circuit for night electricity maintenance according to claim 1, it is characterized in that: described power circuit (1) comprises transformer F1, resistance R1 and bridge rectifier T1, the input of described transformer F1 is connected with mains supply, be connected with the input of bridge rectifier T1 after the output series resistor R1 of described transformer F1, the output of described bridge rectifier T1 is the output of power circuit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407300.6A CN105188185B (en) | 2015-07-13 | 2015-07-13 | The lighting lamp circuit overhauled for night electricity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510407300.6A CN105188185B (en) | 2015-07-13 | 2015-07-13 | The lighting lamp circuit overhauled for night electricity |
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| CN105188185A true CN105188185A (en) | 2015-12-23 |
| CN105188185B CN105188185B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203086330U (en) * | 2012-12-26 | 2013-07-24 | 泉州豪杰信息科技发展有限公司 | Buck-boost circuit |
| CN203761297U (en) * | 2014-02-25 | 2014-08-06 | 江苏金思源电力科技有限公司 | Multipath direct current input bidirectional energy storage current transformer |
| CN104168695A (en) * | 2014-07-23 | 2014-11-26 | 合肥荣事达三洋电器股份有限公司 | LED backlight circuit based on SEPIC topology work |
| CN104519617A (en) * | 2013-09-29 | 2015-04-15 | 欧普照明股份有限公司 | LED driving circuit |
| CN204795774U (en) * | 2015-07-13 | 2015-11-18 | 国家电网公司 | A light circuit for electric power overhauld night |
-
2015
- 2015-07-13 CN CN201510407300.6A patent/CN105188185B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203086330U (en) * | 2012-12-26 | 2013-07-24 | 泉州豪杰信息科技发展有限公司 | Buck-boost circuit |
| CN104519617A (en) * | 2013-09-29 | 2015-04-15 | 欧普照明股份有限公司 | LED driving circuit |
| CN203761297U (en) * | 2014-02-25 | 2014-08-06 | 江苏金思源电力科技有限公司 | Multipath direct current input bidirectional energy storage current transformer |
| CN104168695A (en) * | 2014-07-23 | 2014-11-26 | 合肥荣事达三洋电器股份有限公司 | LED backlight circuit based on SEPIC topology work |
| CN204795774U (en) * | 2015-07-13 | 2015-11-18 | 国家电网公司 | A light circuit for electric power overhauld night |
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| Publication number | Publication date |
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| CN105188185B (en) | 2017-11-07 |
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Inventor after: Ma Wenbiao Inventor after: Zhao Lili Inventor after: Song Lifang Inventor after: Li Yinping Inventor after: Guo Jiandong Inventor after: He Liang Inventor after: Zheng Qiang Inventor after: Meng Dan Inventor after: Wang Pengyuan Inventor before: Zhao Lili Inventor before: Song Lifang Inventor before: Li Yinping Inventor before: Guo Jiandong Inventor before: He Liang Inventor before: Zheng Qiang Inventor before: Meng Dan |
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