CN106954304A - A kind of large power long life-span AC LED lamp drive control circuit - Google Patents
A kind of large power long life-span AC LED lamp drive control circuit Download PDFInfo
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- CN106954304A CN106954304A CN201710216520.XA CN201710216520A CN106954304A CN 106954304 A CN106954304 A CN 106954304A CN 201710216520 A CN201710216520 A CN 201710216520A CN 106954304 A CN106954304 A CN 106954304A
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- circuit
- control circuit
- led
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- partial pressure
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
Abstract
The invention discloses a kind of large power long life-span AC LED lamp drive control circuit, it includes power circuit, partial pressure drive circuit, straight connection control circuit and LED load circuit；Wherein power circuit is powered to partial pressure drive circuit and straight connection control circuit；Partial pressure drive circuit is connected with LED load circuit and straight connection control circuit, and the partial pressure drive circuit includes drive part by part circuit and folds drive circuit.It uses 4 grades of current samples plus 1 grade of scheme folded, and the folded stages light source parallel operation in certain voltage can allow light source to light earlier, and continue to rise to certain voltage folded portion opening, and parallel connection becomes series connection, reduce the loss of metal-oxide-semiconductor.AC power can be directly used, the LED light source for there was only half in the half period of AC power is lit, only relying on the heat loss through conduction of shell just can meet requirement.This new LED that both met directly adds alternating current, again reduction loss, while the maximum service life for extending LED.
Description
Technical field
Large power long life-span AC LED lamp drive control circuit is based on the present invention relates to one kind, belongs to LED illumination technology
Field.
Background technology
LED is continuous with the excellent characteristic such as its high reliability, energy-conserving and environment-protective, longevity as a kind of new light source
Ground develops, and is gradually applied and popularized on a large scale；For lighting field, in vigorously advocating for national governments and social organization
Under active support, following LED electricity-saving lamps and LED fluorescent lamps progressively replace traditional electricity-saving lamp and fluorescent lamp to be shone into family
The bright inexorable trend that will develop as LED illumination technology.
Technically, in addition to LED performances in itself, the core for determining LED illumination lamp performance is LED drive circuit
Quality, the quality of drive circuit determines the key characteristics such as the luminous efficiency of LED, life-span, reliability, optical attenuation.At present, AC
LED is a brand-new lighting engineering, under the historical background of low-carbon economy and high-environmental, and AC LED will be in LED lamp
The fields such as miniaturization, energy-conserving and environment-protective provide a kind of new selection, and foreign countries' exchange is straight to drive LED present Research：In AC LED technologies hair
During exhibition, in addition to Taiwan, South Korea Seoul semiconductor company is the most positive.Also only have South Korea, TaiWan, China and
Three companies in the U.S. possess AC LED core technologies and first generation product.Domestic development status：Dongying university science and technology park a few days ago
Ecological paddy enters Dongying City Jia Wen Photoelectric Co., Ltd.s of enterprise and cooperated with tide Hua Guang groups, develops jointly a kind of new
Exchange driving AC LED technologies, project achieves breakthrough, and indices have met industrialized requirement, and have declared state
Family's patent of invention.Plus literary photoelectricity successfully develops AC LED technologies, thoroughly breaches this technical bottleneck.Plus literary photoelectricity is in the neck
The research blank of AC LEDs at home, Er Qie have not only been filled up rapidly in technological break-through, patent application and the research and development of products in domain
Optimization is realized in terms of the important parameters such as chip size, power, electrical efficiency and efficient lighting area, in the leading level in the world,
Development for China's LED technology is made that significant contribution.
However, existing scheme has a strong impact on because circuit is more complicated, drive circuit needs the restriction of the factors such as radiating in itself
Its stability and application cost.And the most LED of in the market is required for the additional AC/DC conversion drivers could to work, LED
Drive circuit device is various, and the device in circuit can all produce power consumption at work, and LED thus greatly reduces
Service efficiency, causes the waste of the energy, while some devices in circuit are limited by the life-span, can thus have a strong impact on
The life-span of LED,
The present invention provide it is a kind of simple, long-lived, stably, inexpensive, high-power LED driving control systems, by simple
Circuit design and connection, can be designed that the LED electricity-saving lamps or LED daylight lamp of greater demand.
The content of the invention
LED had both been met it is an object of the invention to provide one kind and has directly added alternating current, and can reduce loss, while maximum
The service life for extending LED.
To achieve the above object, present invention employs following technical scheme：
A kind of large power long life-span AC LED lamp drive control circuit, it is characterised in that：Driven including power circuit, partial pressure
Dynamic circuit, straight connection control circuit and LED load circuit；Wherein power circuit is supplied to partial pressure drive circuit and straight connection control circuit
Electricity；Partial pressure drive circuit is connected with LED load circuit and straight connection control circuit, and the partial pressure drive circuit includes drive part by part electricity
Road and folding drive circuit.
It is further, and power circuit is also including the power supply being sequentially connected, current-limiting circuit, rectification circuit.
It is further, and the current-limiting circuit includes fuse, when short circuit or overcurrent condition occurs in circuit, passes through fuse
Fusing circuit is protected by.
Its further, the rectification circuit by the power supply of access it is rectified after obtain Rectified alternating current for partial pressure drive circuit
Used with straight connection control circuit.
It is further, and the drive part by part circuit is multiple.
It is further, and the LED load circuit adjusts the quantity of bright light according to the voltage of Rectified alternating current after rectification in real time.
Further, drive part by part circuit is K61 chips, and straight connection control circuit is K13 chips.
Compared to existing LED drive control circuit, the advantage that the present invention is realized is：High stability：Without independent power supply
Driving, performance is stable；Temperature rise is low, surveys only 20-35 ° of temperature rise, makes " LED chips " work more comfortable；Light decay is small, can reach year
Total light decay≤20% of light decay≤3%, 6 year；Photoelectric efficiency is high, and PF values are up to 99.99.High sexual valence：Non-transformer structure, equal quality
Under, direct cost is low by 20% or so；Plug-in is installed, and quality guarantee period limit for length, later maintenance integrated cost is low.
This Novel LED light is changed according to the output voltage of rectifier bridge, and LED of the adjustment as load quantity, real in real time
Existing high efficiency, the LED illumination drive scheme of High Power Factor, eliminate the system such as transformer, high-voltage power MOSFET, electrochemical capacitor
The about component in driving power supply life-span, it can be semipermanent to exchange the life-span of straight crystal drive circuit, more than LED light source service life, while into
This and volume are also significantly less than Switching Power Supply.
Brief description of the drawings
Fig. 1 is the circuit block diagram of the present invention；
Fig. 2 is the circuit theory diagrams of the present invention；
Fig. 3 is the drive part by part circuit K61 chip pin description figures of the present invention；
Fig. 4 is the drive part by part circuit K61 chip structure block diagrams of the present invention；
Fig. 5 is the straight connection control circuit K13 chip pins description figure of the present invention；
Fig. 6 is the straight connection control circuit K13 chip structure block diagrams of the present invention.
Embodiment
Embodiment 1
This circuit is main by power circuit, partial pressure drive circuit, power supply circuit, DC control circuit and LED load circuit
Composition.
Further, the power circuit is also including the power supply being sequentially connected, current-limiting circuit, rectification circuit, and it connects former
Reason is as shown in figure 1, mains supply is through current-limiting circuit to rectification circuit, and alternating current is changed into pulse direct current by rectification circuit, then
Pulse direct current is powered to partial pressure drive circuit and straight connection control circuit respectively, and wherein partial pressure drive circuit includes what is be sequentially connected
Drive part by part circuit 1, drive part by part circuit 2, drive part by part circuit 3, drive part by part circuit 4 and folding drive circuit 5, it is each
Drive part by part circuit connects LED load respectively；Wherein current-limiting circuit includes fuse, short circuit or overcurrent condition occurs in circuit
When, circuit is protected by by the fusing of fuse.Rectification circuit is bridge rectifier, and straight connection control circuit selects LED
Application specific integrated circuit K13 chips, as shown in Figure 5,6, pulse direct current are powered by resistance Rh1 and Rh2 to K13 high-voltage chips,
To form straight connection control circuit.Drive part by part circuit selects LED application specific integrated circuit K61 chips, as shown in Figure 3,4.
This programme can directly use AC power, and the electronic component needed is less, circuit structure is simple, greatly reduces
Production cost, can effectively improve the competitiveness of product in market.Moreover, it can be reached using the power output factor of this programme
90% can be reached to 95%, energy conversion efficiency.In addition, this programme only has half in the half period of AC power
LED light source is lit so that the caloric value of light source reduces half, is only relied on the heat loss through conduction of shell and just can be met requirement.This is new
Type had both met LED and has directly added alternating current, again reduction loss, while the maximum service life for extending LED lamps.
K61 chips are to aim at illuminating LED electric main to directly drive and the integrated circuit of innovative design.According to rectifier bridge
Output voltage change, in real time adjustment turn into load LED quantity, realize high efficiency, the LED illumination driving side of High Power Factor
Case.Coordinate corresponding directly control LED application specific integrated circuits, highly reliable drive circuit can be constituted.Eliminate transformer, height
The component in the restriction driving power supply life-span such as power MOSFET, electrochemical capacitor is pressed, the life-span for exchanging straight crystal drive circuit can be partly forever
Long, more than LED light source service life, while cost and volume are also significantly less than Switching Power Supply.Overvoltage, excessively stream control integrated circuit K13
Chip, is designed for low voltage bypass power taking LED alternating-current direct drive integrated circuit, can constitute highly reliable LED drivings
Circuit.
This Novel LED light is changed according to the output voltage of rectifier bridge, and LED of the adjustment as load quantity, real in real time
Existing high efficiency, the LED illumination drive scheme of High Power Factor, eliminate the system such as transformer, high-voltage power MOSFET, electrochemical capacitor
The about component in driving power supply life-span, it can be semipermanent to exchange the life-span of straight crystal drive circuit, more than LED light source service life, while into
This and volume are also significantly less than Switching Power Supply.
Embodiment 2
Fig. 2 is a kind of large power long life-span AC LED lamp drive control circuit connecting mode circuit diagram.As AC power
Current-limiting circuit of stimulating the menstrual flow is to rectification circuit, and alternating current is changed into pulse direct current by rectification circuit, then pulse direct current respectively to point
Pressure drive circuit and straight connection control circuit are powered.Circuit to partial pressure drive circuitry is negative through parallel connection LED for pulse direct current
Carry the first partial pressure drive circuit and the second partial pressure drive circuit that L03 and L04 is input to series connection, the selection of the first partial pressure drive circuit
Two series LED load LC01 and LC02 of control, the electric current exported from the first partial pressure drive circuit flows through the second partial pressure driving electricity
Road, the second partial pressure drive circuit is that two series LEDs load LC03 and LC04, and the electric current through the output of the second partial pressure drive circuit is again
LED load L05, L06 is flowed through, continuing flow through the 3rd partial pressure drive circuit of series connection, the 4th partial pressure from the L06 electric currents exported drives
Dynamic circuit and the 5th partial pressure drive circuit, wherein the 3rd partial pressure drive circuit controls two series LEDs load LC05, LC06, the
Four partial pressure drive circuits control two series LEDs load LC07, LC08, and the 5th partial pressure drive circuit controls the load of two series LEDs
LC09, LC10, the electric current exported through the 5th partial pressure drive circuit pass through LED load L01, L02, then are output to folding driving electricity
Road, controls LED load LC11, the 7th drive circuit control LED to bear by the 6th drive circuit respectively wherein folding drive circuit
LC12 is carried, wherein the 6th drive circuit is in parallel with the 7th drive circuit, the electric current of output flow to metal-oxide-semiconductor Q1 again through metal-oxide-semiconductor Q2,
Metal-oxide-semiconductor Q1 is controlled by straight connection control circuit；Above-mentioned partial pressure drive circuit is with folding the drive circuit selection special integrated electricity of LED
Road K61 chips are driven control.And above-mentioned LED load is equipped with shunt capacitance and series resistance etc. and protected.Flow through straight
The circuit of connection control circuit is：Pulse direct current is powered through resistance Rh1, Rh2 and Rh3 to straight connection control circuit, wherein direct current control
Circuit selection overvoltage processed, excessively stream control integrated circuit K13 chips, DC control circuit are used to control metal-oxide-semiconductor, overvoltage, excessively stream control
Integrated circuit K13 chips processed can be controlled by 0-10Vdc positive logics or negative logic.It is multiple by being selected in foregoing circuit
LED application specific integrated circuit K61 chips and overvoltage, excessively stream control integrated circuit K13 chip controls LED loads, i.e., using multistage electricity
Stream sampling plus the scheme of 1 grade of folding, this scheme folded stages light source parallel operation in certain voltage, equivalent to reducing light
The serial number in source, can allow light source to light earlier, and continue to rise to certain voltage folded portion opening, and parallel connection becomes bunchiness
Connection, advantage of this is that the pressure drop that can reduce metal-oxide-semiconductor, so as to reduce the loss of metal-oxide-semiconductor.AC power can be directly used,
The LED light source for there was only half in the half period of AC power is lit, and the heat loss through conduction for only relying on shell will with regard to that can meet
Ask.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (8)
1. a kind of large power long life-span AC LED lamp drive control circuit, it is characterised in that：Driven including power circuit, partial pressure
Circuit, straight connection control circuit and LED load circuit；Wherein power circuit is powered to partial pressure drive circuit and straight connection control circuit；
Partial pressure drive circuit is connected with LED load circuit and straight connection control circuit, and the partial pressure drive circuit includes drive part by part circuit
With folding drive circuit.
2. large power long life-span AC LED lamp drive control circuit according to claim 1, it is characterised in that：The electricity
Source circuit is also including the power supply being sequentially connected, current-limiting circuit, rectification circuit.
3. large power long life-span AC LED lamp drive control circuit according to claim 2, it is characterised in that：The limit
Current circuit includes fuse, and when short circuit or overcurrent condition occurs in circuit, circuit is protected by by the fusing of fuse.
4. the large power long life-span AC LED lamp drive control circuit according to Claims 2 or 3, it is characterised in that：It is described
Rectification circuit by the power supply of access it is rectified after obtain Rectified alternating current and used for partial pressure drive circuit and straight connection control circuit.
5. large power long life-span AC LED lamp drive control circuit according to claim 1, it is characterised in that：Described point
Segment drive circuit is multiple.
6. large power long life-span AC LED lamp drive control circuit according to claim 1 or 2, it is characterised in that：It is described
LED load circuit adjusts the quantity of bright light according to the voltage of Rectified alternating current after rectification in real time.
7. large power long life-span AC LED lamp drive control circuit according to claim 1, it is characterised in that：Described point
Segment drive circuit is K61 chips.
8. large power long life-span AC LED lamp drive control circuit according to claim 1, it is characterised in that：It is described straight
Connection control circuit is K13 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216520.XA CN106954304A (en) | 2017-04-05 | 2017-04-05 | A kind of large power long life-span AC LED lamp drive control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710216520.XA CN106954304A (en) | 2017-04-05 | 2017-04-05 | A kind of large power long life-span AC LED lamp drive control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106954304A true CN106954304A (en) | 2017-07-14 |
Family
ID=59475281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710216520.XA Pending CN106954304A (en) | 2017-04-05 | 2017-04-05 | A kind of large power long life-span AC LED lamp drive control circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN106954304A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496008A (en) * | 2017-09-12 | 2019-03-19 | 上海明石光电科技有限公司 | LED drive circuit, LED electron rectifier and LED illumination device |
| CN110379373A (en) * | 2019-06-14 | 2019-10-25 | 昆山龙腾光电有限公司 | Backlight drive circuit and its control method and liquid crystal display device |
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| CN203368019U (en) * | 2013-07-25 | 2013-12-25 | 合肥云杉光电科技有限公司 | Overvoltage protection circuit for AC directly driven LED circuit |
| CN203523124U (en) * | 2013-11-14 | 2014-04-02 | 合肥云杉光电科技有限公司 | Anti-light strobe circuit for high-PF alternating-current direct-drive LED circuit |
| CN104135804A (en) * | 2014-08-14 | 2014-11-05 | 合肥云杉光电科技有限公司 | Three-phase power rectification LC high-PF filtering direct-current high-voltage direct-drive LED circuit |
| CN204836733U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山中智科技有限公司 | No electrolytic capacitor driver |
| CN204836732U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山中智科技有限公司 | LED way lamp module group |
| CN105657886A (en) * | 2015-12-11 | 2016-06-08 | 合肥云杉光电科技有限公司 | Passive harmonic-filter direct-current high-voltage direct driving LED method and circuit thereof |
| CN205378276U (en) * | 2016-01-13 | 2016-07-06 | 合肥云杉光电科技有限公司 | Exchange and directly drive LED automatic control series parallel circuit among LED |
| CN206629307U (en) * | 2017-04-05 | 2017-11-10 | 安徽卓越电气有限公司 | A kind of large power long life-span AC LED lamp drive control circuit |
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2017
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203368019U (en) * | 2013-07-25 | 2013-12-25 | 合肥云杉光电科技有限公司 | Overvoltage protection circuit for AC directly driven LED circuit |
| CN203523124U (en) * | 2013-11-14 | 2014-04-02 | 合肥云杉光电科技有限公司 | Anti-light strobe circuit for high-PF alternating-current direct-drive LED circuit |
| CN104135804A (en) * | 2014-08-14 | 2014-11-05 | 合肥云杉光电科技有限公司 | Three-phase power rectification LC high-PF filtering direct-current high-voltage direct-drive LED circuit |
| CN204836733U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山中智科技有限公司 | No electrolytic capacitor driver |
| CN204836732U (en) * | 2015-08-21 | 2015-12-02 | 马鞍山中智科技有限公司 | LED way lamp module group |
| CN105657886A (en) * | 2015-12-11 | 2016-06-08 | 合肥云杉光电科技有限公司 | Passive harmonic-filter direct-current high-voltage direct driving LED method and circuit thereof |
| CN205378276U (en) * | 2016-01-13 | 2016-07-06 | 合肥云杉光电科技有限公司 | Exchange and directly drive LED automatic control series parallel circuit among LED |
| CN206629307U (en) * | 2017-04-05 | 2017-11-10 | 安徽卓越电气有限公司 | A kind of large power long life-span AC LED lamp drive control circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109496008A (en) * | 2017-09-12 | 2019-03-19 | 上海明石光电科技有限公司 | LED drive circuit, LED electron rectifier and LED illumination device |
| CN110379373A (en) * | 2019-06-14 | 2019-10-25 | 昆山龙腾光电有限公司 | Backlight drive circuit and its control method and liquid crystal display device |
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Application publication date: 20170714 |
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| RJ01 | Rejection of invention patent application after publication |