CN2792081Y - Conjugated load highlight LED lighting device - Google Patents
Conjugated load highlight LED lighting device Download PDFInfo
- Publication number
- CN2792081Y CN2792081Y CNU2005200093341U CN200520009334U CN2792081Y CN 2792081 Y CN2792081 Y CN 2792081Y CN U2005200093341 U CNU2005200093341 U CN U2005200093341U CN 200520009334 U CN200520009334 U CN 200520009334U CN 2792081 Y CN2792081 Y CN 2792081Y
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- led light
- light emitting
- diode string
- negative pole
- Prior art date
- 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.)
- Expired - Fee Related
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a conjugated load lighting device with a highlight light-emitting diode, which is provided with two LED light-emitting diode strings that are respectively connected in parallel with the like polarity ends of two electrolytic capacitors. The negative pole end of one LED light-emitting diode string is connected with the positive pole of a first rectifier diode. The positive pole end of the other LED light-emitting diode string is connected with the negative pole of a second rectifier diode. The negative pole of the first rectifier diode is connected with the positive pole of the second rectifier diode. The connecting end is connected with one end of an externally connected AC power supply. The positive pole end of one LED light-emitting diode string is connected with the negative pole end of the other LED light-emitting diode string. The common connecting end is connected with one end of a poleless capacitor. The other end of the poleless capacitor is connected with one end of an electric induction coil. The other end of the electric induction coil is connected with the other end of the externally connected AC power supply.
Description
One, technical field
The utility model relates to a kind of electric lighting, particularly a kind of highlighted light emitting diode illuminator of conjugation load that adopts led lighting.
Two, background technology
LED light emitting diode illuminator tool now, the one, by the transformer step-down, carry out bridge rectifier, filtering again, output dc voltage is for the work of LED light-emitting diode, and the circuit of its power supply is numerous and diverse, power consumption is big, cost is higher; Another kind is to adopt capacitance-resistance dividing potential drop mode to provide operating voltage to light-emitting diode, and its load capacity is little, and heat power consumption is big.And the power circuit of above-mentioned two kinds of modes separates with LED load, and independent separately, the element utilance is low to making, the cost height, and the heat energy consumption is high.
Three, summary of the invention
The utility model is intended to overcome the deficiencies in the prior art provides a kind of circuit structure simple, and LED load and power supply circuits are integrated, and reduces cost the highlighted light emitting diode illuminator of conjugation load that heat power consumption is little.
The utility model has adopted such technical scheme: the highlighted light emitting diode illuminator of a kind of conjugation load, be provided with two LED light emitting diode string, article two, the LED light emitting diode string respectively by a plurality of homotype light-emitting diodes just, the negative pole formation that is connected in series mutually, article two, the LED light emitting diode string is connected in parallel with two electrolytic capacitor homopolar ends respectively, article one, the negative pole end of LED light emitting diode string is connected with the positive pole of first rectifier diode, the positive terminal of another LED light emitting diode string is connected with the negative pole of second rectifier diode, the negative pole of first rectifier diode is connected with the positive pole of second rectifier diode, this link is connected with an end of external AC power supply, article one, the positive terminal of LED light emitting diode string is connected with the negative pole end of another LED light emitting diode string, this connects end altogether and is connected with an end of electrodeless electric capacity device, the other end of electrodeless electric capacity device is connected with an end of inductance coil, and the other end of inductance coil is connected with the other end of external AC power supply.
Two LED light emitting diode string of the present utility model constitute the conjugation load, by two positive and negative half cycle rectifications of rectifier diode, constitute the filtering load of electrochemical capacitor again by conjugation LED light emitting diode string, and the composition alternating current path, electrochemical capacitor and electrodeless electric capacity device are composed in series the capacitance-voltage-distributing type circuit.When the positive half cycle of AC power,, the electrolytic capacitor charging in parallel of LED light emitting diode string, its charge value not only is subjected to the restriction of capacitance partial pressure ratio, and be subjected to LED light emitting diode string clamper, voltage on the electrolytic capacitor is basicly stable, make this LED light emitting diode string luminous lighting, another LED light emitting diode string electrolytic capacitor in parallel with it constitutes discharge loop, and the magnitude of voltage of its electrolytic capacitor is by charge constant and the decision of light emitting diode string clamping action.When the AC power negative half period, the work of two LED light emitting diode string is opposite, two LED light emitting diode string and electrolytic capacitor one discharge in one-period, a charging alternation luminous lighting like this, and both end voltage keeps stable state.The conjugation load that the utility model is made up of two LED light emitting diode string is not only as lighting load but also be the part of rectification, filtering, bleeder circuit, power supply circuits and load circuit are integrated, improve the utilance of element greatly and simplified circuit structure, reduced cost, no pure resistance element, heat power consumption is minimum, and the electric light transfer ratio is high.
Four, description of drawings
Accompanying drawing is circuit theory diagrams of the present utility model.
Among the figure: A, B-LED light emitting diode string C
1, C
2-electrolytic capacitor C
3-electrodeless electric capacity device D
1, D
2-rectifier diode L-inductance coil
Five, embodiment
Embodiment of the present utility model is described with reference to the accompanying drawings.As shown in drawings, the highlighted light emitting diode illuminator of a kind of conjugation load, be provided with two LED light emitting diode string A, B, article two, LED light emitting diode string A, B each be connected in series mutually by a plurality of homotype light-emitting diode positive and negative electrodes and constitute, two LED light emitting diode string A, B respectively with two electrolytic capacitor C
1, C
2Homopolar end is connected in parallel, the negative pole end of a LED light emitting diode string A and first rectifier diode D
1Positive pole connect the positive terminal of another LED light emitting diode string B and second rectifier diode D
2Negative pole connect first rectifier diode D
1Negative pole and second rectifier diode D
2Positive pole connect, this link is connected with an end of external AC power supply, the positive terminal of a LED light emitting diode string A is connected with the negative pole end of another LED light emitting diode string B, this connects altogether holds and electrodeless electric capacity device C
3An end connect electrodeless electric capacity device C
3The other end be connected with the end of inductance coil L, the other end of inductance coil L is connected with the other end of external AC power supply.Inductance coil L is connected on the main line, and it can play choking effect, prevents that surge current from producing, and protection LED light emitting diode string is not damaged, and it is far away that the resonance frequency that itself and electrodeless electric capacity are formed departs from 50HZ, thus the resonance phenomena of stopping.
Claims (1)
1, the highlighted light emitting diode illuminator of a kind of conjugation load, it is characterized in that being provided with two LED light emitting diode string (A, B), article two, LED light emitting diode string (A, B) each be connected in series mutually by a plurality of homotype light-emitting diode positive and negative electrodes and constitute, two LED light emitting diode string (A, B) respectively with two electrolytic capacitor (C
1, C
2) homopolar end is connected in parallel, the negative pole end of a LED light emitting diode string (A) is connected with the positive pole of first rectifier diode (D1), the positive terminal of another LED light emitting diode string (B) and second rectifier diode (D
2) negative pole connect first rectifier diode (D
1) negative pole and second rectifier diode (D
2) positive pole connect, this link is connected with an end of external AC power supply, the positive terminal of a LED light emitting diode string (A) is connected with the negative pole end of another LED light emitting diode string (B), this connects altogether holds and electrodeless electric capacity device (C
3) an end connect electrodeless electric capacity device (C
3) the other end be connected with an end of inductance coil (L), the other end of inductance coil (L) is connected with the other end of external AC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200093341U CN2792081Y (en) | 2005-05-24 | 2005-05-24 | Conjugated load highlight LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200093341U CN2792081Y (en) | 2005-05-24 | 2005-05-24 | Conjugated load highlight LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2792081Y true CN2792081Y (en) | 2006-06-28 |
Family
ID=36808121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200093341U Expired - Fee Related CN2792081Y (en) | 2005-05-24 | 2005-05-24 | Conjugated load highlight LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2792081Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010122403A1 (en) * | 2009-04-24 | 2010-10-28 | City University Of Hong Kong | Apparatus and methods of operation of passive led lighting equipment |
| CN102032539A (en) * | 2010-10-28 | 2011-04-27 | 映瑞光电科技(上海)有限公司 | Lighting circuit |
| CN102588784A (en) * | 2012-02-07 | 2012-07-18 | 周文乾 | LED (Light-Emitting Diode) light-emitting device with double radiating structures |
| TWI508630B (en) * | 2008-03-07 | 2015-11-11 | Tai Her Yang | Bipolar (dis)charging led drive circuit |
-
2005
- 2005-05-24 CN CNU2005200093341U patent/CN2792081Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI508630B (en) * | 2008-03-07 | 2015-11-11 | Tai Her Yang | Bipolar (dis)charging led drive circuit |
| WO2010122403A1 (en) * | 2009-04-24 | 2010-10-28 | City University Of Hong Kong | Apparatus and methods of operation of passive led lighting equipment |
| CN102032539A (en) * | 2010-10-28 | 2011-04-27 | 映瑞光电科技(上海)有限公司 | Lighting circuit |
| CN102032539B (en) * | 2010-10-28 | 2012-11-21 | 映瑞光电科技(上海)有限公司 | Lighting circuit |
| US9345086B2 (en) | 2010-10-28 | 2016-05-17 | Enraytek Optoelectronics Co., Ltd. | Lighting circuit |
| CN102588784A (en) * | 2012-02-07 | 2012-07-18 | 周文乾 | LED (Light-Emitting Diode) light-emitting device with double radiating structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |