CN204104174U - The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls - Google Patents
The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls Download PDFInfo
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- CN204104174U CN204104174U CN201420419447.8U CN201420419447U CN204104174U CN 204104174 U CN204104174 U CN 204104174U CN 201420419447 U CN201420419447 U CN 201420419447U CN 204104174 U CN204104174 U CN 204104174U
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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 two line two paths of LED lamp strings that light-controlled electronic transformer controls, comprise control box, control box arrange plug, arrange electronic controller in control box, and electronic controller exports two lines and LED and contacts and connect; Described electronic controller comprises AC power, full bridge rectifier, filter circuit, reduced output voltage circuit and output function control circuit; described output function control circuit comprises light-operated circuit; the two line two paths of LED lamp strings that above-mentioned a kind of light-controlled electronic transformer controls; its chip adopts BYD off-time control mode; without the need to error amplifier; constant current constant voltage precision is high; be integrated with overvoltage protection, overcurrent protection, overload protection multi-protective function; also automatically can start when dark; reliability is high, and fail safe is good.
Description
Technical field
The utility model belongs to LED decorative lamp technical field, is specially the two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls.
Background technology
Operation principle and the switching power supply of electronic transformer are closely similar, and in fact it is exactly a kind of AC inverter.First alternating current is become Rectified alternating current, then form a high-frequency generator with electronic component and direct current is become high-frequency alternating current, then the high-frequency alternating current required for being exported by electronic transformer, then carry out secondary, rectifying and wave-filtering obtains low-voltage DC, traditional electronic transformer be by switch or plug manually operated, not intelligence and waste of manpower.Along with socioeconomic fast development, LED, as the powerful of exploitation and decoration, uses more and more general, has become the indispensable a beautiful landscape line of corporate identify publicity and beautifying city.Traditional LED string has 5 lines, and compare power consumption line, production cost is higher.
Utility model content
For the above-mentioned problems in the prior art; the object of the invention is to design provides that a kind of reliability is high, fail safe good and the technical scheme of two line two paths of LED lamp strings that controls of the light-controlled electronic transformer of intelligence; its chip adopts BYD off-time control mode; without the need to error amplifier; constant current constant voltage precision is high, is integrated with overvoltage protection, overcurrent protection, overload protection multi-protective function, also automatically can start when dark; reliability is high, and fail safe is good.
For achieving the above object, the technical solution of the utility model is as follows:
The two line two paths of LED lamp strings that described a kind of light-controlled electronic transformer controls, comprise control box, control box arrange plug, arrange electronic controller in control box, and electronic controller exports two lines and LED and contacts and connect, described electronic controller comprises AC power, full bridge rectifier, filter circuit, reduced output voltage circuit and output function control circuit, described output function control circuit comprises light-operated circuit, reduced output voltage circuit comprises singlechip chip IC1, transformer T1, the pin 1 connection circuit ground GND of singlechip chip IC1, pin 2 connecting resistance R2 one end of singlechip chip IC1, triode Q1 collector electrode, the pin 3 of singlechip chip IC1 connects triode Q1 base stage, the pin 4 connecting resistance R3 of singlechip chip IC1, resistance R4 one end, the pin 5 of singlechip chip IC1 connects electric capacity C4 one end, the pin 6 of singlechip chip IC1 connects electric capacity C3 positive pole, electric capacity C3 negative pole connection circuit ground GND, electric capacity C4 other end connecting resistance R4 other end parallelled circuit ground GND, resistance R3 another terminating diode D6 one end, another termination capacitor C3 positive pole of diode D6, resistance R2 other end connection circuit ground GND, resistance R1 mono-termination capacitor C3 positive pole, another termination capacitor C2 positive pole of resistance R1, resistance R7 mono-termination capacitor C2 positive pole, electric capacity C7 one end, another termination capacitor C7 other end of resistance R7, diode D5 one end, another termination transformer T1 primary coil one end of diode D5, another termination capacitor C7 of transformer T1 primary coil, transformer T1 first secondary coil one terminating diode D7 one end, another termination capacitor C5 positive pole of diode D7, another termination capacitor C5 negative pole of transformer T1 first secondary coil, transformer T1 second secondary coil one termination capacitor CY1 one end and connection circuit ground GND, another termination capacitor C5 negative pole of electric capacity CY1 and connection circuit ground GND, transformer T1 second secondary coil another terminating diode D6 one end,
Output function control circuit comprises singlechip chip IC2, IC3 and light-operated circuit, the pin 1-4 of singlechip chip IC3, 7 connection circuit ground GND, the pin 5 of singlechip chip IC3 connects the pin 5 of singlechip chip IC2, the pin 6 of singlechip chip IC3 connects the pin 6 of singlechip chip IC2, pin 8 connecting resistance R16 one end of singlechip chip IC3 and the pin 1 of singlechip chip IC2, the resistance R16 other end connects the pin 5 of singlechip chip IC2, the pin 8 connection circuit ground GND of singlechip chip IC2, pin 2 connecting resistance R10 one end of singlechip chip IC2, pin 3 connecting resistance R12 one end of singlechip chip IC2, the pin 4 of singlechip chip IC2 connects key switch S one end, resistance R14 one end, another termination triode of resistance R10 Q4 base stage, triode Q4 emitter connection circuit ground GND, triode Q4 collector connecting transistor Q2 collector electrode, another termination triode of resistance R12 Q3 base stage, triode Q3 emitter connection circuit ground GND, triode Q3 collector connecting transistor Q1 collector electrode, triode Q1 collector electrode and resistance R8 one end, another termination voltage stabilizing didoe of resistance R8 ZD1 negative electrode connects, voltage stabilizing didoe ZD1 negative electrode connection circuit ground GND, voltage stabilizing didoe ZD1 negative electrode connects electric capacity C6 positive pole, electric capacity C6 negative pole connection circuit ground GND, triode Q1 emitter connects triode Q2 emitter, triode Q1 base stage connecting resistance R11 one end, another termination triode Q4 collector electrode of resistance R11 is also connected with first interface, triode Q2 base stage connecting resistance R13 one end, another termination triode Q3 collector electrode of resistance R13 is also connected with the second interface, triode Q5 base stage connecting resistance R14 one end in described light-operated circuit, electrochemical capacitor C8 positive pole, photo resistance LDR one end, triode Q5 emitter and electric capacity C8 negative pole and the photo resistance LDR other end are linked togather and meet power circuit ground GND, triode Q5 collector electrode connects the pin 7 of singlechip chip IC2 and one end of resistance R15, the other end of the R15 other end and R14 is linked togather and connects (on the positive supply pin of single-chip microcomputer IC2) on the pin 1 of singlechip chip IC2.
Further, full bridge rectifier is connected into full bridge rectifier by four silicon rectifier diode D1 ~ D4, the live wire end L of 100V-240V AC power and zero line side N is connected on the alternating current input that 4 silicon rectifier diode D1 ~ D4 form full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output.
Further, filtered electrical routing capacitance C1, reactor L1 and electric capacity C2 form, the positive pole of electric capacity C1 positive pole, reactor L1 inlet wire termination full bridge rectifier DC output end, electric capacity C1 negative pole connection circuit ground GND, reactor L1 leading-out terminal is connected with electric capacity C2 positive pole, electric capacity C2 negative pole connection circuit ground GND.
Further, described LED string is formed by one group of LED branch circuit parallel connection, often organizes LED branch road and arranges a LED.
Further, described LED string is in series by one group of LED branch road, often organizes the LED formation that LED props up route one group of parallel connection.
Further, the live wire end L of AC power is connected thermistor F1 with on the alternating current input of full bridge rectifier.
Further, the photo resistance LDR in described light-operated circuit is visible light photoresitor.
Further, above-mentioned singlechip chip IC1 is model DEF28 chip, and singlechip chip IC2 is model D & P3DC7 chip, and singlechip chip IC3 is model D & PH7240 chip, all directly can be buied by market.
The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer of the present utility model controls; its chip adopts BYD off-time control mode; without the need to error amplifier; constant current constant voltage precision is high; be integrated with overvoltage protection, overcurrent protection, overload protection multi-protective function; also automatically can start when dark, reliability is high, and fail safe is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is circuit structure block diagram of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model;
Fig. 4 is 10 lamp-100 lamp two line two paths of LED lamp string circuit figure;
Fig. 5 is 100 lamp-1000 lamp two line two paths of LED lamp string circuit figure;
In figure: 1-control box, 1a-plug, 2-LED lamp string, 3-AC power, 4-full bridge rectifier, 5-filter circuit, 6-reduced output voltage circuit, 7-output function control circuit, 8-light-operated circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the two line two paths of LED lamp strings that this light-controlled electronic transformer controls comprise control box 1, and control box 1 is arranged plug 1a, arrange electronic controller in control box 1, electronic controller exports two lines and is connected with LED string 2.
As shown in Figures 2 and 3, described electronic controller comprises AC power 3, full bridge rectifier 4, filter circuit 5, reduced output voltage circuit 6 and output function control circuit 7.
Described reduced output voltage circuit 6 comprises singlechip chip IC1, transformer T1, the pin 1 connection circuit ground GND of singlechip chip IC1, pin 2 connecting resistance R2 one end of singlechip chip IC1, triode Q1 collector electrode, the pin 3 of singlechip chip IC1 connects triode Q1 base stage, the pin 4 connecting resistance R3 of singlechip chip IC1, resistance R4 one end, the pin 5 of singlechip chip IC1 connects electric capacity C4 one end, the pin 6 of singlechip chip IC1 connects electric capacity C3 positive pole, electric capacity C3 negative pole connection circuit ground GND, electric capacity C4 other end connecting resistance R4 other end parallelled circuit ground GND, resistance R3 another terminating diode D6 one end, another termination capacitor C3 positive pole of diode D6, resistance R2 other end connection circuit ground GND, resistance R1 mono-termination capacitor C3 positive pole, another termination capacitor C2 positive pole of resistance R1, resistance R7 mono-termination capacitor C2 positive pole, electric capacity C7 one end, another termination capacitor C7 other end of resistance R7, diode D5 one end, another termination transformer T1 primary coil one end of diode D5, another termination capacitor C7 of transformer T1 primary coil, transformer T1 first secondary coil one terminating diode D7 one end, another termination capacitor C5 positive pole of diode D7, another termination capacitor C5 negative pole of transformer T1 first secondary coil, transformer T1 second secondary coil one termination capacitor CY1 one end and connection circuit ground GND, another termination capacitor C5 negative pole of electric capacity CY1 and connection circuit ground GND, transformer T1 second secondary coil another terminating diode D6 one end,
Output function control circuit 7 comprises singlechip chip IC2, IC3, the pin 1-4 of singlechip chip IC3, 7 connection circuit ground GND, the pin 5 of singlechip chip IC3 connects the pin 5 of singlechip chip IC2, the pin 6 of singlechip chip IC3 connects the pin 6 of singlechip chip IC2, pin 8 connecting resistance R16 one end of singlechip chip IC3 and the pin 1 of singlechip chip IC2, the resistance R16 other end connects the pin 5 of singlechip chip IC2, the pin 8 connection circuit ground GND of singlechip chip IC2, pin 2 connecting resistance R10 one end of singlechip chip IC2, pin 3 connecting resistance R12 one end of singlechip chip IC2, the pin 4 of singlechip chip IC2 connects key switch S one end, resistance R14 one end, another termination triode of resistance R10 Q4 base stage, triode Q4 emitter connection circuit ground GND, triode Q4 collector connecting transistor Q2 collector electrode, another termination triode of resistance R12 Q3 base stage, triode Q3 emitter connection circuit ground GND, triode Q3 collector connecting transistor Q1 collector electrode, triode Q1 collector electrode and resistance R8 one end, another termination voltage stabilizing didoe of resistance R8 ZD1 negative electrode connects, voltage stabilizing didoe ZD1 negative electrode connection circuit ground GND, voltage stabilizing didoe ZD1 negative electrode connects electric capacity C6 positive pole, electric capacity C6 negative pole connection circuit ground GND, triode Q1 emitter connects triode Q2 emitter, triode Q1 base stage connecting resistance R11 one end, another termination triode Q4 collector electrode of resistance R11 is also connected with first interface, triode Q2 base stage connecting resistance R13 one end, another termination triode Q3 collector electrode of resistance R13 is also connected with the second interface, triode Q5 base stage connecting resistance R17 one end in described light-operated circuit 8, electrochemical capacitor C8 positive pole, photo resistance LDR one end, triode Q5 emitter and electric capacity C8 negative pole and the photo resistance LDR other end are linked togather and meet power circuit ground GND, triode Q5 collector electrode connects the pin 7 of singlechip chip IC2 and one end of resistance R15, the other end of the R15 other end and R17 is linked togather and connects (on the positive supply pin of single-chip microcomputer IC2) on the pin 1 of singlechip chip IC2.Photo resistance LDR in described light-operated circuit 8 is visible light photoresitor.
Full bridge rectifier 4 is connected into full bridge rectifier by 4 silicon rectifier diode D1 ~ D4, the live wire end L of 100V-240V AC power and zero line side N is connected on the alternating current input that 4 silicon rectifier diode D1 ~ D4 form full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output.The live wire end L of AC power 3 is connected thermistor F1 with on the alternating current input of full bridge rectifier.
Filter circuit 5 is made up of electric capacity C1, reactor L1, electric capacity C2, the positive pole of electric capacity C1 positive pole, reactor L1 inlet wire termination full bridge rectifier DC output end, electric capacity C1 negative pole connection circuit ground GND, reactor L1 leading-out terminal is connected with electric capacity C2 positive pole, electric capacity C2 negative pole connection circuit ground GND.Thermistor F1 exceedes setting electric current by molten disconnected, plays short-circuit protection effect.Full bridge rectifier 4, filter circuit 5 had not only filtered AC power clutter, but also to export direct current after making rectification level and smooth, and play the noise jamming of interior circuit to AC power, EMC is effective simultaneously.
Singlechip chip IC1 exports 60KHZ pulse promotion high frequency transformer and carries out reduced output voltage, resistance R1 is starting resistance, small starting current makes electric capacity C3 rush electricity, when electric capacity C3 voltage is flushed to after singlechip chip IC1 can start, small starting current is more ineffective, then provides singlechip chip IC1 power supply by positive feedback winding.Resistance R3, R4 form feedback sample voltage, and control the stable of output voltage, resistance R2 is the maximum that primary current controls, and reach the maximum power controlling transformation and export.Triode Q1 is switching pulse power amplifier tube, and diode D6 isolates the impact of starting current on sampling, and diode D5, resistance R7, electric capacity C7 are negative peak absorbing circuits, and diode D7, electric capacity C5 are output rectification filters.Electric capacity CY1 plays input, the output coupling of transformer T1, improves stability.Overall work process: when singlechip chip IC1 is just descending and negative current-transformer T1 secondary induction is just descending negative current-diode D7 to turn off electric capacity C5 charging-triode Q1 in resistance R1 startup-triode Q1 conducting-transformer T1 generation when just powering on, electric capacity C5 powers to the load, feed back winding simultaneously and produce upper negative lower positive current, voltage supplied sampling and singlechip chip IC1 power--and Infinite Cyclic is gone down, produce voltage stabilizing constant power output.
Output function control circuit 7, forms 2 line 2 tunnel 8 functional circuits by singlechip chip IC2, resistance R14, key switch S, resistance R16, resistance R10, resistance R12, resistance R11, resistance R13, triode Q1, triode Q2, triode Q3, triode Q4.Power failure memory function is formed by singlechip chip IC3.The light-operated circuit be made up of resistance R15, resistance R17, triode Q5, electric capacity C8, photo resistance LDR forms light control functionality.Form decompression voltage regulator by resistance R8, electric capacity C6, voltage stabilizing didoe ZD1, provide singlechip chip IC2, IC3 stable+5V power supply.Lamp string load DC electricity 30V.
The know-why of above-mentioned light-controlled electronic controller is; civil power after entering light-controlled electronic controller first through rectifying and wave-filtering process; enter the electric current of reduced output voltage circuit 6 and output function control circuit 7 points of two-way output constant current constant voltages subsequently; and be integrated with overvoltage protection, overcurrent protection, overload protection multi-protective function, also automatically can start when dark.
The circuit of this lamp string is that the mode adopting multi-parallel to connect again combines, and 10-100 lamp can save 50-60% electric wire, and LED string 2 is formed by one group of LED branch circuit parallel connection, often organizes LED branch road and arranges a LED.
The circuit 100-1000 lamp of this lamp string can save 40-50% electric wire, and described LED string 2 is in series by one group of LED branch road, often organizes the LED formation that LED props up route one group of parallel connection.
This light-controlled electronic transformer is applied to input 100V-240V AC power, and export 31V DC load, power is not more than the load lamp string of 7.2W.There is light-operated, short-circuit protection, overcurrent protection and electricity-saving function.The maximum 7.2W of this light-controlled electronic transformer power output, main limit switch control rule eliminates secondary control circuit and optocoupler, constant voltage precision: ± 5%, constant current accuracy: ± 5%, integrated various defencive function (overcurrent, overload, overvoltage etc.) and can autoboot, high conversion efficiency; Higher reliability; Meet Energy Star 2.0 requirement completely; Below no-load power consumption 150mW; Easily meet following standard: EN55022Class B EMI (8dB surplus); IEC61000-4-5Class3 exchanges surge and ESD (15KV); Meet and be less than 5uA Ground leakage current safety requirements; The miniature electric transformer of inner band control, 2 line 2 tunnel 8 fuction outputs, have power failure memory function.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. two line two paths of LED lamp strings of a light-controlled electronic transformer control, it is characterized in that, comprise control box (1), control box (1) is arranged plug (1a), control box arranges electronic controller in (1), and electronic controller exports two lines and is connected with LED string (2);
Described electronic controller comprises AC power (3), full bridge rectifier (4), filter circuit (5), reduced output voltage circuit (6) and output function control circuit (7);
Wherein, described reduced output voltage circuit (6) comprises singlechip chip IC1 and transformer T1, the pin 1 connection circuit ground GND of singlechip chip IC1, pin 2 connecting resistance R2 one end of singlechip chip IC1, triode Q1 collector electrode, the pin 3 of singlechip chip IC1 connects triode Q1 base stage, the pin 4 connecting resistance R3 of singlechip chip IC1, resistance R4 one end, the pin 5 of singlechip chip IC1 connects electric capacity C4 one end, the pin 6 of singlechip chip IC1 connects electric capacity C3 positive pole, electric capacity C3 negative pole connection circuit ground GND, electric capacity C4 other end connecting resistance R4 other end parallelled circuit ground GND, resistance R3 another terminating diode D6 one end, another termination capacitor C3 positive pole of diode D6, resistance R2 other end connection circuit ground GND, resistance R1 mono-termination capacitor C3 positive pole, another termination capacitor C2 positive pole of resistance R1, resistance R7 mono-termination capacitor C2 positive pole, electric capacity C7 one end, another termination capacitor C7 other end of resistance R7, diode D5 one end, another termination transformer T1 primary coil one end of diode D5, another termination capacitor C7 of transformer T1 primary coil, transformer T1 first secondary coil one terminating diode D7 one end, another termination capacitor C5 positive pole of diode D7, another termination capacitor C5 negative pole of transformer T1 first secondary coil, transformer T1 second secondary coil one termination capacitor CY1 one end and connection circuit ground GND, another termination capacitor C5 negative pole of electric capacity CY1 and connection circuit ground GND, transformer T1 second secondary coil another terminating diode D6 one end,
Output function control circuit (7) comprises singlechip chip IC2 and light-operated circuit (8), pin 5 contact resistance R16 one end of singlechip chip IC2, the pin 8 connection circuit ground GND of singlechip chip IC2, pin 2 connecting resistance R10 one end of singlechip chip IC2, pin 3 connecting resistance R12 one end of singlechip chip IC2, the pin 4 of singlechip chip IC2 connects key switch S one end, resistance R14 one end, another termination triode of resistance R10 Q4 base stage, triode Q4 emitter connection circuit ground GND, triode Q4 collector connecting transistor Q2 collector electrode, another termination triode of resistance R12 Q3 base stage, triode Q3 emitter connection circuit ground GND, triode Q3 collector connecting transistor Q1 collector electrode, triode Q1 collector electrode and resistance R8 one end, another termination voltage stabilizing didoe of resistance R8 ZD1 negative electrode connects, voltage stabilizing didoe ZD1 negative electrode connection circuit ground GND, voltage stabilizing didoe ZD1 negative electrode connects electric capacity C6 positive pole, electric capacity C6 negative pole connection circuit ground GND, triode Q1 emitter connects triode Q2 emitter, triode Q1 base stage connecting resistance R11 one end, another termination triode Q4 collector electrode of resistance R11 is also connected with first interface, triode Q2 base stage connecting resistance R13 one end, another termination triode Q3 collector electrode of resistance R13 is also connected with the second interface, triode Q5 base stage connecting resistance R17 one end in described light-operated circuit (8), electrochemical capacitor C8 positive pole, photo resistance LDR one end, triode Q5 emitter and electric capacity C8 negative pole and the photo resistance LDR other end are linked togather and meet power circuit ground GND, triode Q5 collector electrode connects the pin 7 of singlechip chip IC2 and one end of resistance R15, the other end of the R15 other end and R17 is linked togather and connects singlechip chip.
2. two line two paths of LED lamp strings of a kind of light-controlled electronic transformer control as claimed in claim 1, it is characterized in that output function control circuit (7) also comprises singlechip chip IC3, the pin 1-4 of this singlechip chip IC3,7 connection circuit ground GND, the pin 5 of singlechip chip IC3 connects the pin 5 of singlechip chip IC2, the pin 6 of singlechip chip IC3 connects the pin 6 of singlechip chip IC2, the pin 8 connecting resistance R16 other end of singlechip chip IC3 and the pin 1 of singlechip chip IC2.
3. two line two paths of LED lamp strings of a kind of light-controlled electronic transformer control as claimed in claim 1, it is characterized in that full bridge rectifier (4) is connected into full bridge rectifier by 4 silicon rectifier diode D1 ~ D4, the live wire end L of 100V-240V AC power and zero line side N is connected on the alternating current input that 4 silicon rectifier diode D1 ~ D4 form full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output;
Filter circuit (5) is made up of electric capacity C1, reactor L1 and electric capacity C2, the positive pole of electric capacity C1 positive pole and reactor L1 inlet wire termination full bridge rectifier DC output end, electric capacity C1 negative pole connection circuit ground GND, reactor L1 leading-out terminal is connected with electric capacity C2 positive pole, electric capacity C2 negative pole connection circuit ground GND.
4. two line two paths of LED lamp strings of a kind of light-controlled electronic transformer control as claimed in claim 1, is characterized in that described LED string (2) is formed by one group of LED branch circuit parallel connection, often organize LED branch road and arrange a LED; Or described LED string (2) is in series by one group of LED branch road, often organize the LED formation that LED props up route one group of parallel connection.
5. two line two paths of LED lamp strings of a kind of light-controlled electronic transformer control as claimed in claim 3, is characterized in that the live wire end L of AC power (3) is connected thermistor F1 with on the alternating current input of full bridge rectifier.
6. two line two paths of LED lamp strings of a kind of light-controlled electronic transformer control as claimed in claim 1, is characterized in that the photo resistance LDR in described light-operated circuit (8) is visible light photoresitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419447.8U CN204104174U (en) | 2014-07-28 | 2014-07-28 | The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419447.8U CN204104174U (en) | 2014-07-28 | 2014-07-28 | The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls |
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| CN204104174U true CN204104174U (en) | 2015-01-14 |
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| CN201420419447.8U Expired - Lifetime CN204104174U (en) | 2014-07-28 | 2014-07-28 | The two line two paths of LED lamp strings that a kind of light-controlled electronic transformer controls |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646630A (en) * | 2018-06-12 | 2018-10-12 | 电子科技大学中山学院 | Socket control system based on internet of things |
| CN108738203A (en) * | 2018-07-13 | 2018-11-02 | 深圳安赋特科技有限公司 | LED power invariable power input control circuit |
| CN109042578A (en) * | 2018-10-25 | 2018-12-21 | 中山市灯下电器科技有限公司 | A kind of Internet of Things Mosquito killer lamp of dual wavelength |
-
2014
- 2014-07-28 CN CN201420419447.8U patent/CN204104174U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646630A (en) * | 2018-06-12 | 2018-10-12 | 电子科技大学中山学院 | Socket control system based on internet of things |
| CN108738203A (en) * | 2018-07-13 | 2018-11-02 | 深圳安赋特科技有限公司 | LED power invariable power input control circuit |
| CN109042578A (en) * | 2018-10-25 | 2018-12-21 | 中山市灯下电器科技有限公司 | A kind of Internet of Things Mosquito killer lamp of dual wavelength |
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| GR01 | Patent grant | ||
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Granted publication date: 20150114 |