CN103391673A - Boosted type LED flashlight provided with one battery - Google Patents
Boosted type LED flashlight provided with one battery Download PDFInfo
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- CN103391673A CN103391673A CN2013103631576A CN201310363157A CN103391673A CN 103391673 A CN103391673 A CN 103391673A CN 2013103631576 A CN2013103631576 A CN 2013103631576A CN 201310363157 A CN201310363157 A CN 201310363157A CN 103391673 A CN103391673 A CN 103391673A
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- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a boosted type LED flashlight provided with one battery. The boosted type LED flashlight is characterized by comprising a 1.5 V battery, a complementary type multivibrator circuit, an oscillation frequency regulating circuit, a boosted circuit, a rectification filtering circuit and an LED loop, wherein the complementary type multivibrator circuit and the oscillation frequency regulating circuit comprise NPN type audions VT1, NPN type audions VT2, high-frequency transformer primary windings L1, potentiometers RP, resistors R1 and capacitors C1; the boosted circuit and the rectification filtering circuit comprise high-frequency transformer secondary windings L2, Schottky diodes D1 and electrolytic capacitors C2; and the LED loop comprises four LEDs, namely, an LED 1, an LED2, an LED3 and an LED4. The boost type LED flashlight overcomes the defects that a conventional incandescent flashlight provided with two batteries is large in power consumption and low in luminance, is a novel light source, and has the characteristics of high luminous efficiency, energy conservation, environment protection, practicality and the like.
Description
Technical field
The invention belongs to electronics and dc inverter technical field, is about an a kind of batteries boost type LED torch.
Background technology
Two traditional batteries incandescent lamp flashlight general work electric current 〉=240mA, and with the flashlight operating current that LED is made, 60～80mA is arranged approximately, the power that the ordinary incandescent lamp flashlight consumes is approximately more than 6 times of LED flashlight power, and luminous brightness also can not show a candle to the LED flashlight.
To exist power consumption large in order to overcome two traditional batteries incandescent lamp flashlights, and the defects such as brightness is low, the present invention only uses once joint 1.5V battery can light 4 super brightness white light-emitting diodes, is applicable to very much house, camps, the night lighting such as out on tours.A batteries boost type LED torch of the present invention is a kind of new type light source, has the characteristics such as luminous efficiency is high, energy-saving and environmental protection, practicality.
Below describe a batteries boost type LED torch of the present invention related relevant technologies content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: to exist power consumption large in order to overcome two traditional batteries incandescent lamp flashlights, and the defects such as brightness is low, the present invention only uses once joint 1.5V battery can light 4 super brightness white light-emitting diodes, is applicable to very much house, camps, the night lighting such as out on tours.A batteries boost type LED torch of the present invention is a kind of new type light source, has the characteristics such as luminous efficiency is high, energy-saving and environmental protection, practicality.
The circuit working principle: a batteries boost type LED torch by the complementary type multi-resonant oscillating circuit, boost and current rectifying and wave filtering circuit three parts form.The complementary type multi-resonant oscillating circuit is comprised of NPN type triode VT1, positive-negative-positive triode VT2, and the frequency of oscillation of oscillating circuit is about 2kHz.The primary coil L1 of high frequency transformer T is the load of complementary type multi-resonant oscillating circuit, the secondary coil L2 of high frequency transformer T is step-up coil, the high-frequency pulse voltage of output obtains approximately 6.5V direct voltage after Schottky diode D1 halfwave rectifier and electrochemical capacitor C2 filtering, the 6.5V direct voltage is used for lighting 4 LED 1～LED4.
Technical characterictic: a batteries boost type LED torch, it comprises 1.5V battery, complementary type multi-resonant oscillating circuit and frequency of oscillation regulating circuit, booster circuit and current rectifying and wave filtering circuit, LED circuit, it is characterized in that:
complementary type multi-resonant oscillating circuit and frequency of oscillation regulating circuit: it is by NPN type triode VT1, positive-negative-positive triode VT2, high frequency transformer primary coil L1, potentiometer RP, resistance R 1 and capacitor C 1 form, the end of the base stage connecting resistance R1 of NPN type triode VT1 and the end of potentiometer RP, the anodal VCC of the other end of potentiometer RP and movable end connection circuit thereof, the other end of resistance R 1 connects the collector electrode of positive-negative-positive triode VT2 by capacitor C 1, the collector electrode of NPN type triode VT1 connects the base stage of positive-negative-positive triode VT2, the emitter connection circuit ground GND of NPN type triode VT1, the anodal VCC of the emitter connection circuit of positive-negative-positive triode VT2, the collector electrode of positive-negative-positive triode VT2 connects the end of high frequency transformer primary coil L1, the other end connection circuit ground GND of high frequency transformer primary coil L1,
Booster circuit and current rectifying and wave filtering circuit: it is comprised of high frequency transformer secondary coil L2, Schottky diode D1, electrochemical capacitor C2, the positive pole of the termination Schottky diode D1 of high frequency transformer secondary coil L2, the negative pole of Schottky diode D1 connects the positive pole of electrochemical capacitor C2, and the other end of the secondary coil L2 of high frequency transformer is connected with the negative pole of electrochemical capacitor C2;
LED circuit: the positive pole of the positive pole of LED 1 and LED 3 connects the negative pole of Schottky diode D1, the positive pole of the negative pole difference sending and receiving optical diode LED2 of the negative pole of LED 1, LED 3, the positive pole of LED 4, the negative pole of the negative pole of LED 2 and LED 4 connects the negative pole of electrochemical capacitor C2;
1.5V anode is by the anodal VCC of mains switch SW connection circuit, the 1.5V battery cathode is connected with circuit ground GND.
Description of drawings
Accompanying drawing is the embodiment circuit working schematic diagram that the invention provides a batteries boost type LED torch; In accompanying drawing, the 1.5V battery cathode is connected with circuit ground GND.
Embodiment
According to batteries boost type LED torch circuit working schematic diagram and a description of drawings shown in the drawings, and according to annexation between components and parts in the described each several part circuit of summary of the invention, and the components and parts technical parameter described in execution mode requires and the circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The selection of components and parts and technical parameter
VT1 is NPN type triode, and the model of selecting is 2SC9013;
VT2 is the positive-negative-positive triode, and the model of selecting is 3AX31;
D1 is Schottky diode, parameters selection operating current 〉=1A;
Resistance R 1 is selected metalfilmresistor, and resistance is 6.2K Ω;
RP is potentiometer, and its resistance is 68K Ω;
C1 is magnetic sheet electric capacity, and capacity is 1000PF; C2 is electrochemical capacitor, and its capacity is 470 μ F/16V;
SW is mains switch, selects single-pole single-throw switch (SPST);
1.5V No. 2 MnZn dry cells of the used single-unit of battery.
Making main points and the circuit debugging of circuit
The making of high frequency transformer T: the silicon steel sheet that uses the transistor output transformer, primary coil L1 puts down around 100 circles with the high strength enamelled wire layering that diameter is 0.21mm, secondary coil L2 with diameter be the high strength enamelled wire of 0.21mm around 150 circles, need to serve as a contrast one deck insulation film between primary coil L1 and secondary coil L2;
The circuit structure of cause one batteries boost type LED torch is very simple, comparison is easy, and general the physical connection of components and parts is correct as long as the components and parts performance of using is intact, and circuit does not need just to debug and can work;
In circuit debugging, the 1.5V battery can be first replaces with the adjustable stabilized voltage supply of output current 〉=0.8A, and Schottky diode D1 cuts and can not use the ordinary silicon rectifier diode, otherwise conversion efficiency will decrease;
Adjust the brightness that potentiometer RP can change LED, if the voltage at electrochemical capacitor C2 two ends during less than 6.5V, can suitably reduce the resistance of potentiometer RP;
The complete machine total current is controlled at the 80mA left and right and is advisable.
Claims (1)
1. batteries boost type LED torch, it comprises 1.5V battery, complementary type multi-resonant oscillating circuit and frequency of oscillation regulating circuit, booster circuit and current rectifying and wave filtering circuit, LED circuit, it is characterized in that:
described complementary type multi-resonant oscillating circuit and frequency of oscillation regulating circuit are by NPN type triode VT1, positive-negative-positive triode VT2, high frequency transformer primary coil L1, potentiometer RP, resistance R 1 and capacitor C 1 form, the end of the base stage connecting resistance R1 of NPN type triode VT1 and the end of potentiometer RP, the anodal VCC of the other end of potentiometer RP and movable end connection circuit thereof, the other end of resistance R 1 connects the collector electrode of positive-negative-positive triode VT2 by capacitor C 1, the collector electrode of NPN type triode VT1 connects the base stage of positive-negative-positive triode VT2, the emitter connection circuit ground GND of NPN type triode VT1, the anodal VCC of the emitter connection circuit of positive-negative-positive triode VT2, the collector electrode of positive-negative-positive triode VT2 connects the end of high frequency transformer primary coil L1, the other end connection circuit ground GND of high frequency transformer primary coil L1,
Described booster circuit and current rectifying and wave filtering circuit are comprised of high frequency transformer secondary coil L2, Schottky diode D1, electrochemical capacitor C2, the positive pole of the termination Schottky diode D1 of high frequency transformer secondary coil L2, the negative pole of Schottky diode D1 connects the positive pole of electrochemical capacitor C2, and the other end of the secondary coil L2 of high frequency transformer is connected with the negative pole of electrochemical capacitor C2;
The positive pole of the LED 1 in described LED circuit and the positive pole of LED 3 connect the negative pole of Schottky diode D1, the positive pole of the negative pole difference sending and receiving optical diode LED2 of the negative pole of LED 1, LED 3, the positive pole of LED 4, the negative pole of the negative pole of LED 2 and LED 4 connects the negative pole of electrochemical capacitor C2;
Described 1.5V anode is by the anodal VCC of mains switch SW connection circuit, and the 1.5V battery cathode is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103631576A CN103391673A (en) | 2013-08-20 | 2013-08-20 | Boosted type LED flashlight provided with one battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103631576A CN103391673A (en) | 2013-08-20 | 2013-08-20 | Boosted type LED flashlight provided with one battery |
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| CN103391673A true CN103391673A (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103631576A Pending CN103391673A (en) | 2013-08-20 | 2013-08-20 | Boosted type LED flashlight provided with one battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602383A (en) * | 2015-02-14 | 2015-05-06 | 吴圣铎 | Single-tube LED flashlight |
| CN104702099A (en) * | 2013-12-09 | 2015-06-10 | 海洋王（东莞）照明科技有限公司 | Direct-current booster circuit |
| CN106028556A (en) * | 2016-07-08 | 2016-10-12 | 黄勇 | Nickel-hydrogen battery LED light for keyholes |
| CN106686830A (en) * | 2017-02-17 | 2017-05-17 | 吴建堂 | Movable type LED (Light Emitting Diode) steering lamp of car tail |
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| CN2694697Y (en) * | 2004-04-15 | 2005-04-20 | 李道明 | Electricity saving convenient lamp |
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| CN102573171A (en) * | 2012-01-31 | 2012-07-11 | 丁希庆 | LED flashlight with single battery |
| CN102611317A (en) * | 2012-04-05 | 2012-07-25 | 黄宇嵩 | Pointer type universal meter direct-current booster |
| CN102647089A (en) * | 2012-05-14 | 2012-08-22 | 洪珍 | 15V direct current booster device of pointer multimeter |
| CN202535277U (en) * | 2012-05-14 | 2012-11-14 | 洪珍 | 15V DC boosting device of pointer multimeter |
| CN103066856A (en) * | 2013-01-04 | 2013-04-24 | 丁希庆 | Single battery voltage booster of pointer type multimeter |
| CN103078513A (en) * | 2013-01-24 | 2013-05-01 | 刘喆 | Single-battery boosting circuit of universal meter |
| CN202978717U (en) * | 2013-01-04 | 2013-06-05 | 丁希庆 | Pointer type universal meter single-cell battery booster |
| CN203135729U (en) * | 2013-01-24 | 2013-08-14 | 刘喆 | Universal meter single cell booster circuit |
| CN203368873U (en) * | 2013-08-20 | 2013-12-25 | 吴建堂 | Single-battery voltage-boosting type light emitting diode (LED) flashlight |
-
2013
- 2013-08-20 CN CN2013103631576A patent/CN103391673A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5559478A (en) * | 1995-07-17 | 1996-09-24 | University Of Southern California | Highly efficient, complementary, resonant pulse generation |
| CN2694697Y (en) * | 2004-04-15 | 2005-04-20 | 李道明 | Electricity saving convenient lamp |
| CN201259180Y (en) * | 2008-05-13 | 2009-06-17 | 袁志华 | Highly effective LED illumination barrel lamp |
| CN102300361A (en) * | 2011-06-01 | 2011-12-28 | 刘喆 | LED (light emitting diode) electric torch manufactured by one battery |
| CN102573171A (en) * | 2012-01-31 | 2012-07-11 | 丁希庆 | LED flashlight with single battery |
| CN102611317A (en) * | 2012-04-05 | 2012-07-25 | 黄宇嵩 | Pointer type universal meter direct-current booster |
| CN102647089A (en) * | 2012-05-14 | 2012-08-22 | 洪珍 | 15V direct current booster device of pointer multimeter |
| CN202535277U (en) * | 2012-05-14 | 2012-11-14 | 洪珍 | 15V DC boosting device of pointer multimeter |
| CN103066856A (en) * | 2013-01-04 | 2013-04-24 | 丁希庆 | Single battery voltage booster of pointer type multimeter |
| CN202978717U (en) * | 2013-01-04 | 2013-06-05 | 丁希庆 | Pointer type universal meter single-cell battery booster |
| CN103078513A (en) * | 2013-01-24 | 2013-05-01 | 刘喆 | Single-battery boosting circuit of universal meter |
| CN203135729U (en) * | 2013-01-24 | 2013-08-14 | 刘喆 | Universal meter single cell booster circuit |
| CN203368873U (en) * | 2013-08-20 | 2013-12-25 | 吴建堂 | Single-battery voltage-boosting type light emitting diode (LED) flashlight |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104702099A (en) * | 2013-12-09 | 2015-06-10 | 海洋王（东莞）照明科技有限公司 | Direct-current booster circuit |
| CN104602383A (en) * | 2015-02-14 | 2015-05-06 | 吴圣铎 | Single-tube LED flashlight |
| CN106028556A (en) * | 2016-07-08 | 2016-10-12 | 黄勇 | Nickel-hydrogen battery LED light for keyholes |
| CN106686830A (en) * | 2017-02-17 | 2017-05-17 | 吴建堂 | Movable type LED (Light Emitting Diode) steering lamp of car tail |
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Application publication date: 20131113 |