CN103687207A - Integrated circuit led illuminating lamp - Google Patents
Integrated circuit led illuminating lamp Download PDFInfo
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- CN103687207A CN103687207A CN201310616276.8A CN201310616276A CN103687207A CN 103687207 A CN103687207 A CN 103687207A CN 201310616276 A CN201310616276 A CN 201310616276A CN 103687207 A CN103687207 A CN 103687207A
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- illuminating lamp
- lamp
- led illuminating
- integrated circuit
- integrated
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Abstract
The invention relates to an integrated circuit LED illuminating lamp comprising a shell, an LED lamp body and a driving circuit. The integrated circuit LED illuminating lamp is characterized in that the driving circuit acquires a constant current value of a stationary three-terminal voltage stabilizing circuit by utilizing constant start, detection and control voltage of an integrated voltage stabilizing block 317 and by changing R1 to change current according to lamp requirements. The integrated circuit LED illuminating lamp has the advantages that scientific and reasonable design, few simple devices and high reliability of the driving circuit, low cost and the like.
Description
Technical field
The invention belongs to a kind of decorating lighting lamp, relate to a kind of high-power LED light source energy-saving lamp.
Background technology
LED wall lamp is again line style LED flood light etc., because its profile strip, also there is people that it is called to LED line lamp, mainly only to use for doing building decoration illumination, be used in addition sketching the contours the profile of heavy construction, traditional prior art is all with power supply of single configuration, and manufacture process bothers relatively, and use is the not easy-maintaining damaging.So make attendant's workload increase, the numerous prices of the similar LED light fixture of existing market kind are also relatively costly, the fail safe of using at product and all process imperfection in short problem the useful life of product, can not be fully and lifetime of LED match, lack a kind of deficiencies such as power supply of long service life.
Summary of the invention
The object of the invention is, for the deficiencies in the prior art, proposes a kind of integrated electric paths of LEDs illuminating lamp.
Integrated electric paths of LEDs illuminating lamp of the present invention, comprises housing, LED lamp, drive circuit forms, it is characterized in that: its drive circuit is that to utilize opening of integrated voltage stabilizer 317 to visit control voltage constant, changes R1 change electric current according to lamp demand, obtains fixed three-terminal voltage-stabilizing circuit constant current value.
The present invention's beneficial effect compared with prior art: have design science, reasonable, drive circuit simple Devices is few, reliability is strong, low cost and other advantages.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described, but embodiments of the present invention are not limited to this.
Fig. 1-circuit diagram.
In figure: integrated voltage stabilizer (317), capacitor C 1, C2, C3, C4, resistance R, R1, R2.
Embodiment
As shown in Figure 1: integrated voltage stabilizer (317), capacitor C 1, C2, C3, C4, resistance R, R1, R2.
Integrated electric paths of LEDs illuminating lamp of the present invention, comprises housing, LED lamp, drive circuit forms, it is characterized in that: its drive circuit is that to utilize opening of integrated voltage stabilizer 317 to visit control voltage constant, changes R1 change electric current according to lamp demand, obtains fixed three-terminal voltage-stabilizing circuit constant current value.
Practical application:
LED wants constant current-supplying, not so easy aged deterioration.Can use LM317, principle be utilize 317 open that to visit control voltage constant, then except resistance, be exactly constant current value.Circuit is as figure below.Lamp can connect how many according to demand.Change R1 and can change electric current, electric current=1.25/R1.LM317 is one of power IC being most widely used, and it not only has the simple form of fixed three-terminal voltage-stabilizing circuit, possesses again the adjustable feature of output voltage.In addition, also have that range of regulation is wide, voltage regulation performance good, noise is low, Ripple Suppression compares advantages of higher.Lm317 adjustable 3 rectifies Voltagre regulators, when 1.2 volts to 37 volts of output voltage ranges, can provide the electric currents that surpass 1.5 peaces, and this pressurizer is highly susceptible to using.
Characteristic:
[1] adjustable output voltage is low to 1.2V.
Guarantee 1.5A output current.
Typical linear regulation 0.01%.
Several Typical Load regulation 0.1%.
80dB Ripple Suppression ratio.
Output short circuit protection.
Overcurrent, overtemperature protection.
Adjust the protection of pipe safety operation area.
Standard three end transistor encapsulation.
Voltage range LM117/LM3171.25V to 37V is adjustable continuously
2 major parameters
Output voltage: 1.25-37V DC;
Output current: 5mA-1.5A;
That chip internal has is overheated, overcurrent, short-circuit protection circuit;
Maximum input-output voltage difference: 40V DC,
Minimum input-output voltage difference: 3V DC;
Environment for use temperature :-10-+85 ℃.
Storage environment temperature :-65-+150 ℃.
LM317, as the variable integrated three-terminal regulator block of output voltage, is a kind of integrated voltage stabilizer easy to use, widely used.The model of 317 serial regulator blocks is a lot: such as LM317HVH, W317L etc.Electrophile makes the variable stabilized voltage power supply of output voltage through conventional 317 regulator blocks.The output voltage of stabilized voltage power supply can calculate with following formula, Vo=1.25(1+R2/R1).Only, from formula itself, the resistance value of R1, R2 can arbitrarily be set.Yet as the output voltage computing formula of stabilized voltage power supply, the resistance of R1 and R2 can not arbitrarily be set.First the output voltage excursion of 317 regulator blocks is that 317 regulator blocks of Vo=1.25V-37V(high output voltage are as LM317HVA, LM317HVK etc., its output voltage excursion is Vo=1.25V-45V), so the ratio range of R2/R1 can only be 0-28.6.Next is that 317 regulator blocks have a minimum steady operation electric current, and some data are called minimum output current, and the data also having is called minimum leakage current.The value of minimum steady operation electric current is generally 1.5mA.Because the manufacturer of 317 regulator blocks is different, model is different, its minimum steady operation electric current is not identical yet, but is generally not more than 5mA.When the output current of 317 regulator blocks is less than its minimum steady operation electric current, 317 regulator blocks are with regard to cisco unity malfunction.When the output current of 317 regulator blocks is greater than its minimum steady operation electric current, the direct voltage that 317 regulator blocks just can stable output.If while making stabilized voltage power supply with 317 regulator blocks (as shown in the figure), not noting the minimum steady operation electric current of 317 regulator blocks, may there is following abnormality in the stabilized voltage power supply that you make so: on load voltage and the floating voltage difference of stabilized voltage power supply output are larger.In application, for the steady operation of circuit, in the ordinary course of things, also need to connect diode as protective circuit, the high pressure while preventing the capacitor discharge in circuit burns out 317.
Claims (1)
1. an integrated electric paths of LEDs illuminating lamp, comprises housing, LED lamp, drive circuit forms, it is characterized in that: its drive circuit is that to utilize opening of integrated voltage stabilizer 317 to visit control voltage constant, changes R1 change electric current according to lamp demand, obtains fixed three-terminal voltage-stabilizing circuit constant current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616276.8A CN103687207A (en) | 2013-11-27 | 2013-11-27 | Integrated circuit led illuminating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310616276.8A CN103687207A (en) | 2013-11-27 | 2013-11-27 | Integrated circuit led illuminating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103687207A true CN103687207A (en) | 2014-03-26 |
Family
ID=50323103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310616276.8A Pending CN103687207A (en) | 2013-11-27 | 2013-11-27 | Integrated circuit led illuminating lamp |
Country Status (1)
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| CN (1) | CN103687207A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292754A (en) * | 2016-10-13 | 2017-01-04 | 四川森迪科技发展股份有限公司 | A kind of plant drinking trough voltage stabilizing adjusting type water level control system |
| CN106292755A (en) * | 2016-10-13 | 2017-01-04 | 四川森迪科技发展股份有限公司 | Plant based on current buffering protection circuit drinking trough water level control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103918U (en) * | 2011-06-23 | 2012-01-04 | 汤东东 | LED constant current drive circuit |
| US20130175569A1 (en) * | 2010-01-26 | 2013-07-11 | Michel Asseraf | LED Lighting Device |
-
2013
- 2013-11-27 CN CN201310616276.8A patent/CN103687207A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130175569A1 (en) * | 2010-01-26 | 2013-07-11 | Michel Asseraf | LED Lighting Device |
| CN202103918U (en) * | 2011-06-23 | 2012-01-04 | 汤东东 | LED constant current drive circuit |
Non-Patent Citations (1)
| Title |
|---|
| 百度文库: "LM317电路", 《HTTP://WENKU.BAIDU.COM/VIEW/0DDA78155F0E7CD1842536C8.HTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292754A (en) * | 2016-10-13 | 2017-01-04 | 四川森迪科技发展股份有限公司 | A kind of plant drinking trough voltage stabilizing adjusting type water level control system |
| CN106292755A (en) * | 2016-10-13 | 2017-01-04 | 四川森迪科技发展股份有限公司 | Plant based on current buffering protection circuit drinking trough water level control system |
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Application publication date: 20140326 |