CN106211464A - A kind of drive circuit of LED street lamp - Google Patents
A kind of drive circuit of LED street lamp Download PDFInfo
- Publication number
- CN106211464A CN106211464A CN201610623083.9A CN201610623083A CN106211464A CN 106211464 A CN106211464 A CN 106211464A CN 201610623083 A CN201610623083 A CN 201610623083A CN 106211464 A CN106211464 A CN 106211464A
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- CN
- China
- Prior art keywords
- resistance
- electric capacity
- circuit
- led2
- street lamp
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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]
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention provides the drive circuit of a kind of LED street lamp, and including external circuit, varistor RV1 and full-wave rectifying circuit, the outfan of external circuit is connected with one end of electric capacity C3, resistance R3 and varistor RV1；One end of electric capacity C3, resistance R3 and varistor RV1 is connected with the input of reactor L1, and one end of the outfan of reactor L1 and resistance R1 also connects, the outfan of reactor L1 also with one end of resistance R4 connecing；The outfan of resistance R1 is connected with the input of electric capacity C1, and the outfan of electric capacity C1 is connected with the input of full-wave rectifying circuit, and one end of full-wave rectifying circuit is connected with one end of resistance R3；One end of resistance R3 is connected with one end of electric capacity C2, and electric capacity C2 with LED1 also connects, electric capacity C2 also with LED2 connecing, described LED1 with LED2 concatenates；Compared with prior art, the present invention can multiple protective circuit.
Description
Technical field
The present invention is the drive circuit of a kind of LED street lamp, belongs to LED apparatus field.
Background technology
LED circuit is a kind of quasiconductor that can convert electrical energy into visible ray, it change electric filament lamp tungsten filament luminous with
The principle that electricity-saving lamp tricolor powder is luminous, and use electroluminescence.When needing to use relatively more LED product, if by institute
Some LED strip join, it would be desirable to the voltage that LED driver output is higher: if all of LED is in parallel, then need LED driver
Export bigger electric current.By all of LED strip connection or in parallel, not only limit the usage amount of LED, and parallel connection LED load is electric
Stream is relatively big, and the cost of driver also can increase, and solution is to use series-parallel connection mode.The LED quantity mean allocation of series and parallel,
So, distributing the voltage joined on branch road a LED strip identical, in same series arm, the electric current on each LED is the most basic
Identical, brightness is consistent, and the electric current by each series arm is the most close simultaneously.
LED circuit of the prior art for there being the risk smashed when instantaneous pressure circuit enters, and prior art
The most structure of terminal LED street lamp circuit is complicated, is difficult to promote.
Summary of the invention
The deficiency existed for prior art, it is an object of the present invention to provide the drive circuit of a kind of LED street lamp, on solving
Stating the problem proposed in background technology, the present invention is easy to use, it is simple to operation, good stability, and reliability is high.
To achieve these goals, the present invention is to realize by the following technical solutions: the driving electricity of a kind of LED street lamp
Road, including external circuit, varistor RV1 and full-wave rectifying circuit, the outfan of described external circuit and electric capacity C3, resistance
One end of R3 and varistor RV1 connects；One end of electric capacity C3, resistance R3 and varistor RV1 is defeated with reactor L1's
Entering end to connect, the outfan of described reactor L1 and one end of resistance R1 also connect, the outfan of described reactor L1 also with resistance
One end of R4 also connects；The outfan of described resistance R1 is connected with the input of electric capacity C1, the outfan of described electric capacity C1 and all-wave
The input of rectification circuit connects, and one end of described full-wave rectifying circuit is connected with one end of resistance R3；The one of described resistance R3
End is connected with one end of electric capacity C2, and described electric capacity C2 with LED1 also connects, described electric capacity C2 also with LED2 connecing, described LED1 and
LED2 concatenates；One end of described LED1 with LED2 is connected with one end of full-wave rectifying circuit, one end of described electric capacity C2 and all-wave
One end of rectification circuit connects, and the other end of described full-wave rectifying circuit is connected with external circuit.
Further, described electric capacity C1 and resistance R2 connecing.
Further, described full-wave rectifying circuit is made up of four commutation diodes, is linked to be by four commutation diodes
Full-wave rectifying circuit uncertain for polarity unidirectional current is converted into upper just lower negative unidirectional current.
Further, described LED1 is at least provided with one, and described LED1 is a kind of LED street lamp.
Further, described LED2 is at least provided with one, and described LED2 is a kind of LED street lamp.
Further, when LED1 and LED2 number and < when 20, C1 is 0.33uF, electric current within 20mA, as LED1 and
The number of LED2 and > 30 time, C1 select 0.47uF, C1 and C2 running voltage be 250V, the power of resistance R2 and resistance R3 is
1W。
Beneficial effects of the present invention: the drive circuit of a kind of LED street lamp of the present invention, electric capacity C3 resistance R3 varistor
Input instantaneous pressure can be filtered protection circuit of the present invention by the primary filter circuit of RV1 reactor L1 resistance R4 composition will not be by
Instantaneous pressure circuit smashes when entering.
This circuit has perfect triple impulse-current-proofs design, can protect the safety of LED1 and LED2 to greatest extent,
I.e. resistance R2 prevents the impact to full-wave rectifying circuit of big electric current when turning on light；Electric capacity C2 plays filtering and resistance R2 and resistance R3
The big electric current impact to LED1 and LED2 when jointly playing anti-turning on light；Resistance R3 also plays in the anti-short time repeatedly switch lamp to LED1
Impact with the high voltage and high current of LED2.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the drive circuit of a kind of LED street lamp of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with
Detailed description of the invention, is expanded on further the present invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: the drive circuit of a kind of LED street lamp, including external circuit,
Varistor RV1 and full-wave rectifying circuit, the outfan of external circuit and electric capacity C3, resistance R3 and varistor RV1's
One end connects.
One end of electric capacity C3, resistance R3 and varistor RV1 is connected with the input of reactor L1, and reactor L1's is defeated
Go out end and one end of resistance R1 and connect, the outfan of reactor L1 also with one end of resistance R4 connecing.
The outfan of resistance R1 is connected with the input of electric capacity C1, the outfan of electric capacity C1 and the input of full-wave rectifying circuit
End connects, and one end of full-wave rectifying circuit is connected with one end of resistance R3.
One end of resistance R3 is connected with one end of electric capacity C2, and electric capacity C2 with LED1 also connects, electric capacity C2 also with LED2 connecing,
LED1 with LED2 concatenates.
One end of LED1 with LED2 is connected with one end of full-wave rectifying circuit, one end of electric capacity C2 and full-wave rectifying circuit
One end connects, and the other end of full-wave rectifying circuit is connected with external circuit.
Electric capacity C1 and resistance R2 also connects.
Full-wave rectifying circuit is made up of four commutation diodes, the full-wave rectifying circuit being linked to be by four commutation diodes
Uncertain for polarity unidirectional current is converted into upper just lower negative unidirectional current.
LED1 is at least provided with one, and LED1 is a kind of LED street lamp, and LED2 is at least provided with one, and LED2 is a kind of LED
Street lamp, when LED1 and LED2 number and < when 20, C1 is 0.33uF, electric current within 20mA, when LED1 and LED2 number and
> 30 time, C1 select 0.47uF, C1 and C2 running voltage be 250V, the power of resistance R2 and resistance R3 is 1W.
As one embodiment of the present of invention: actually used when, electric capacity C3 resistance R3 varistor RV1 electricity
Input instantaneous pressure can be filtered protection circuit of the present invention by the primary filter circuit of anti-device L1 resistance R4 composition will not be high by moment
Volt circuit is smashed when entering.
This circuit has perfect triple impulse-current-proofs design, can protect the safety of LED1 and LED2 to greatest extent,
I.e. resistance R2 prevents the impact to full-wave rectifying circuit of big electric current when turning on light；Electric capacity C2 plays filtering and resistance R2 and resistance R3
The big electric current impact to LED1 and LED2 when jointly playing anti-turning on light；Resistance R3 also plays in the anti-short time repeatedly switch lamp to LED1
Impact with the high voltage and high current of LED2.
The ultimate principle of the present invention and principal character and advantages of the present invention are more than shown and described, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, the scope of the present invention by claims rather than on state
Bright restriction, it is intended that include all changes fallen in the implication of equivalency and scope of claim in the present invention
In.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (6)
1. a drive circuit for LED street lamp, including external circuit, varistor RV1 and full-wave rectifying circuit, its feature exists
In: the outfan of described external circuit is connected with one end of electric capacity C3, resistance R3 and varistor RV1；
One end of electric capacity C3, resistance R3 and varistor RV1 is connected with the input of reactor L1, and described reactor L1's is defeated
Go out end and one end of resistance R1 and connect, the outfan of described reactor L1 also with one end of resistance R4 connecing；
The outfan of described resistance R1 is connected with the input of electric capacity C1, the outfan of described electric capacity C1 and full-wave rectifying circuit
Input connects, and one end of described full-wave rectifying circuit is connected with one end of resistance R3；
One end of described resistance R3 is connected with one end of electric capacity C2, and described electric capacity C2 with LED1 also connects, described electric capacity C2 also with
LED2 also connects, and described LED1 with LED2 concatenates；
One end of described LED1 with LED2 is connected with one end of full-wave rectifying circuit, one end of described electric capacity C2 and all wave rectification electricity
The one end on road connects, and the other end of described full-wave rectifying circuit is connected with external circuit.
The drive circuit of a kind of LED street lamp the most according to claim 1, it is characterised in that: described electric capacity C1 and resistance R2
And connect.
The drive circuit of a kind of LED street lamp the most according to claim 1, it is characterised in that: described full-wave rectifying circuit by
Four commutation diodes are constituted, and uncertain for polarity unidirectional current is turned by the full-wave rectifying circuit being linked to be by four commutation diodes
Change just lower negative unidirectional current into.
The drive circuit of a kind of LED street lamp the most according to claim 1, it is characterised in that: described LED1 at least provided with
One, described LED1 is a kind of LED street lamp.
The drive circuit of a kind of LED street lamp the most according to claim 1, it is characterised in that: described LED2 at least provided with
One, described LED2 is a kind of LED street lamp.
6. according to the drive circuit of a kind of LED street lamp described in claim 4 or 5, it is characterised in that: when LED1 and LED2
Number and<when 20, C1 is 0.33uF, electric current within 20mA, when LED1 and LED2 number and>30 time, C1 selects 0.47uF, C1
Being 250V with the running voltage of C2, the power of resistance R2 and resistance R3 is 1W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623083.9A CN106211464A (en) | 2016-08-02 | 2016-08-02 | A kind of drive circuit of LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610623083.9A CN106211464A (en) | 2016-08-02 | 2016-08-02 | A kind of drive circuit of LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106211464A true CN106211464A (en) | 2016-12-07 |
Family
ID=57498571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610623083.9A Pending CN106211464A (en) | 2016-08-02 | 2016-08-02 | A kind of drive circuit of LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106211464A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014206785A1 (en) * | 2013-06-27 | 2014-12-31 | Koninklijke Philips N.V. | Retrofit light emitting diode tube |
| CN204634101U (en) * | 2015-04-30 | 2015-09-09 | 成都锐奕信息技术有限公司 | Based on the Anti-surging LED drive circuit of piezo-resistance |
| CN105605492A (en) * | 2016-03-15 | 2016-05-25 | 宏齐光电子(深圳)有限公司 | LED panel light structure |
-
2016
- 2016-08-02 CN CN201610623083.9A patent/CN106211464A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014206785A1 (en) * | 2013-06-27 | 2014-12-31 | Koninklijke Philips N.V. | Retrofit light emitting diode tube |
| CN204634101U (en) * | 2015-04-30 | 2015-09-09 | 成都锐奕信息技术有限公司 | Based on the Anti-surging LED drive circuit of piezo-resistance |
| CN105605492A (en) * | 2016-03-15 | 2016-05-25 | 宏齐光电子(深圳)有限公司 | LED panel light structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |