CN204272433U - High power AC LED driver - Google Patents
High power AC LED driver Download PDFInfo
- Publication number
- CN204272433U CN204272433U CN201420532657.8U CN201420532657U CN204272433U CN 204272433 U CN204272433 U CN 204272433U CN 201420532657 U CN201420532657 U CN 201420532657U CN 204272433 U CN204272433 U CN 204272433U
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- Prior art keywords
- diode
- resistance
- triode
- transformer
- circuit
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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
Abstract
A kind of high power AC LED driver, outside 220V AC power is by powering after D1, D2, D3, D4 diode rectification, triode Q1 and Q2 again through being cascaded vibrates, self-excitation input signal is provided by pulse transformer T2 and T3, oscillating impulse is through choke, filtering oscillating circuit, electrochemical capacitor C1, C2 form loop, export suitable electric current and voltage driving LED string luminous during circuit oscillation work.This circuit is by two triodes, and two electrochemical capacitors form bridge road, startup is driven in start-up circuit employing innovation, adopts two magnet ring pulse transformer, two electrolysis series filtering vibration, two choke parallel connection.The utility model changes the structure of legacy drive, and make working stability reliable, the life-span is long, cost performance is high, is that a universality is strong, the driving arrangement that usage range is wide.
Description
Technical field
The utility model relates to lighting technical field, is specifically related to a kind of high power AC LED driver.
Background technology
LED driver is commonly referred to as a kind of equipment interchange or direct current being converted to the voltage and current that LED is suitable for, this kind equipment is of many uses, particularly be widely used in car lighting, at home illumination, the illumination of emergency lighting photovoltaic system etc. at sphere of life, DC power conversion is the alternating current that frequency is fixed, voltage is suitable by this driver, then rectification driving LED lamp pearl.
Interchange resistance-capacitance depressurization driver the most frequently used at present, AC-DC conversion module driver, major defect is narrow to the different model applicability of LED lamp bead, and the cost of DC conversion module is high, uses model to mix.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple and practical, wide adaptability, dependable performance high power AC LED driver.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of high power AC LED driver, comprise the first diode D1 and the second diode D2 that are serially connected, the 3rd diode D3 be serially connected and the 4th diode D4, the 6th resistance R6 be serially connected and the 7th resistance R7, the 3rd electric capacity C3 be serially connected and the 4th electric capacity C4, circuit in parallel composition rectification after each series connection, filtering, even circuit, between described first diode D1 and the second diode D2, outside 220V AC power is connected to respectively between 3rd diode D3 and the 4th diode D4, described 7th resistance R7 one end is in series with the 6th resistance R6, the base stage of described second triode Q2 is in series with the 9th diode D9 and the 3rd resistance R3, the emitter of described second triode Q2 is connected to the collector electrode of the first triode Q1 through the 5th resistance R5, the base stage of described first triode Q1 is connected on this drive circuit through the 5th diode D5, the emitter of described first triode Q1 is connected on this drive circuit through the 4th resistance R4, one end second triode Q2 base stage of described first resistance R1, first electric capacity C1 is connected to pulse transformer T1, one end second triode Q2 base stage of described second resistance R2, tenth diode D10 is connected to transformer T1, the base stage of described first triode Q1 and the second triode Q2 is connected on transformer T1 respectively, described 3rd electric capacity C3 and the 4th electric capacity C4 and be connected with the second transformer T2 and the 3rd transformer T3 that are connected in parallel between the 6th resistance R6 and the 7th resistance R7, described second transformer T2 and the 3rd transformer T3 output are connected to LED through filtering oscillating circuit, described filtering oscillating circuit is parallel with the second electric capacity C2, described first transformer T1 mono-end is connected to the second electric capacity C2, described filtering oscillating circuit by be serially connected and form loop the 6th diode D6, the 7th diode D7, the 8th diode D8 and the 9th diode D9 form.
Wherein the first resistance R1, the second resistance R2, the 3rd resistance R3, the 5th resistance R5, the second triode Q2 diac D9 electric capacity C1 form this circuit start part.
Described transformer T1 is the pulse transformer of two magnet ring.
The course of work: outside 220V AC power is by powering after D1, D2, D3, D4 diode rectification, triode Q1 and Q2 again through being cascaded vibrates, self-excitation input signal is provided by pulse transformer T2 and T3, oscillating impulse is through choke, filtering oscillating circuit, electrochemical capacitor C1, C2 form loop, export suitable electric current and voltage driving LED string luminous during circuit oscillation work.
This circuit is by two triodes, and two electrochemical capacitors form bridge road, startup is driven in start-up circuit employing innovation, adopts two magnet ring pulse transformer, two electrolysis series filtering vibration, two choke parallel connection.
The beneficial effects of the utility model are: the utility model changes the structure of legacy drive, and make working stability reliable, the life-span is long, cost performance is high, are that a universality is strong, the driving arrangement that usage range is wide.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, a kind of high power AC LED driver, comprise the first diode D1 and the second diode D2 that are serially connected, the 3rd diode D3 be serially connected and the 4th diode D4, the 6th resistance R6 be serially connected and the 7th resistance R7, the 3rd electric capacity C3 be serially connected and the 4th electric capacity C4, circuit in parallel composition rectification after each series connection, filtering, even circuit, between described first diode D1 and the second diode D2, outside 220V AC power is connected to respectively between 3rd diode D3 and the 4th diode D4, 7th resistance R7 one end is in series with the 6th resistance R6, the base stage of the second triode Q2 is in series with the 9th diode D9 and the 3rd resistance R3, the emitter of the second triode Q2 is connected to the collector electrode of the first triode Q1 through the 5th resistance R5, the base stage of the first triode Q1 is connected on this drive circuit through the 5th diode D5, the emitter of the first triode Q1 is connected on this drive circuit through the 4th resistance R4, one end second triode Q2 base stage of the first resistance R1, first electric capacity C1 is connected to pulse transformer T1, one end second triode Q2 base stage of the second resistance R2, tenth diode D10 is connected to transformer T1, the base stage of the first triode Q1 and the second triode Q2 is connected on transformer T1 respectively, 3rd electric capacity C3 and the 4th electric capacity C4 and be connected with the second transformer T2 and the 3rd transformer T3 that are connected in parallel between the 6th resistance R6 and the 7th resistance R7, second transformer T2 and the 3rd transformer T3 output are connected to LED through filtering oscillating circuit, filtering oscillating circuit is parallel with the second electric capacity C2, described first transformer T1 mono-end is connected to the second electric capacity C2, transformer T1 is the pulse transformer of two magnet ring.Filtering oscillating circuit by be serially connected and form loop the 6th diode D6, the 7th diode D7, the 8th diode D8 and the 9th diode D9 form.
The utility model driver is applicable to the DC power supply such as 6V, 12V, 24V, the LED lamp bead of different size chip, and the LED lamp bead connection in series-parallel of a different number uses.
The course of work: outside 220V AC power is by powering after D1, D2, D3, D4 diode rectification, triode Q1 and Q2 again through being cascaded vibrates, self-excitation input signal is provided by pulse transformer T2 and T3, oscillating impulse is through choke, filtering oscillating circuit, electrochemical capacitor C1, C2 form loop, export suitable electric current and voltage driving LED string luminous during circuit oscillation work.
Use two NPN type high-voltage three-pole pipes, seven 1/2W and 1/4W resistance, two electrolytic capacitors, two chokes, the pulse transformer of a two magnet ring, two 1N4148 diodes, eight 1N4007 diodes, a dacron terylene condenser, a polyphenyl capacitor, a DB3 diac, exports suitable electric current and voltage driving LED string during circuit oscillation work luminous.
In embodiment, each component value is:
Resistance: R1=R2=R3=R6=R7=560k Ω (1/4W);
R4＝R5＝2Ω(1/2W)
Electric capacity: C1:CL11.250V.333; C2:CBB81.1250V.562;
C3＝C4＝10μF(DC250V)
Transformer: T1: two magnet ring pulse transformer; 2=T3 flow vibration coil (E16)
Triode: Q1=Q2MTE13005
Diode: D1=D2=D3=D4=D6=D7=D8=1N4007; D5=D9=D10=1N4148.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a high power AC LED driver, it is characterized in that: comprise the first diode (D1) and the second diode (D2) that are serially connected, the 3rd diode (D3) be serially connected and the 4th diode (D4), the 6th resistance (R6) be serially connected and the 7th resistance (R7), the 3rd electric capacity (C3) be serially connected and the 4th electric capacity (C4), circuit in parallel composition rectification after each series connection, filtering, even circuit, between described first diode (D1) and the second diode (D2), outside 220V AC power is connected to respectively between 3rd diode (D3) and the 4th diode (D4), described 7th resistance (R7) one end is in series with the 6th resistance (R6), also comprise the second triode (Q2), first resistance (R1) and the second resistance (R2), the base stage of described second triode (Q2) is in series with the 9th diode (D9) and the 3rd resistance (R3), the emitter of described second triode (Q2) is connected to the collector electrode of the first triode (Q1) through the 5th resistance (R5), the base stage of described first triode (Q1) is connected on this drive circuit through the 5th diode (D5), the emitter of described first triode (Q1) is connected on this drive circuit through the 4th resistance (R4), one end second triode (Q2) base stage of described first resistance (R1), first electric capacity (C1) is connected to transformer (T1), one end second triode (Q2) base stage of described second resistance (R2), tenth diode (D10) is connected to transformer (T1), the base stage of described first triode (Q1) and the second triode (Q2) is connected on transformer (T1) respectively, described 3rd electric capacity (C3) and the 4th electric capacity (C4) and between the 6th resistance (R6) and the 7th resistance (R7), be connected with the second transformer (T2) and the 3rd transformer (T3) that are connected in parallel, described second transformer (T2) and the 3rd transformer (T3) output are connected to LED through filtering oscillating circuit, described filtering oscillating circuit is parallel with the second electric capacity (C2), transformer (T1) one end is connected to the second electric capacity (C2).
2. high power AC LED driver according to claim 1, is characterized in that: described transformer (T1) is the pulse transformer of two magnet ring.
3. high power AC LED driver according to claim 1, is characterized in that: described filtering oscillating circuit by be serially connected and form loop the 6th diode (D6), the 7th diode (D7), the 8th diode (D8) and the 9th diode (D9) form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532657.8U CN204272433U (en) | 2014-09-16 | 2014-09-16 | High power AC LED driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532657.8U CN204272433U (en) | 2014-09-16 | 2014-09-16 | High power AC LED driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272433U true CN204272433U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420532657.8U Expired - Fee Related CN204272433U (en) | 2014-09-16 | 2014-09-16 | High power AC LED driver |
Country Status (1)
| Country | Link |
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| CN (1) | CN204272433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270849A (en) * | 2014-09-16 | 2015-01-07 | 安徽春升新能源科技有限公司 | High-power alternating-current LED driver |
-
2014
- 2014-09-16 CN CN201420532657.8U patent/CN204272433U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270849A (en) * | 2014-09-16 | 2015-01-07 | 安徽春升新能源科技有限公司 | High-power alternating-current LED driver |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20170916 |