CN101018437A - LED lamp component circuit unit and compound serial LED lamp circuit - Google Patents
LED lamp component circuit unit and compound serial LED lamp circuit Download PDFInfo
- Publication number
- CN101018437A CN101018437A CNA200710084881XA CN200710084881A CN101018437A CN 101018437 A CN101018437 A CN 101018437A CN A200710084881X A CNA200710084881X A CN A200710084881XA CN 200710084881 A CN200710084881 A CN 200710084881A CN 101018437 A CN101018437 A CN 101018437A
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- led lamp
- lamp assembly
- lamp
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- 150000001875 compounds Chemical class 0.000 title claims description 24
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract 1
- 238000005286 illumination Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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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]
- H05B45/40—Details of LED load 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]
- H05B45/30—Driver circuits
- H05B45/34—Voltage stabilisation; Maintaining constant voltage
-
- 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]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The related circuit unit of LED lamp assembly comprises: a LED branch with one LED or at least serial two LED's, and a voltage-stabilizing branch with one or at least serial voltage stabilizing diodes. Wherein, it parallels former branches. The composite serial LED lamp circuit comprises at least two of former LED lamp assembly circuit units. Compared with current lighting circuit, this invention improves reliability and maintenance, reduces structure complexity and cost, and overcomes the technical problem applying serial LED load in LED lighting circuit.
Description
Technical field
The present invention relates to a kind of simple and practical energy-saving illumination new technology, refer to adopt lighting source of new generation---the LED circuit for lamp new technology of LED semiconductor light sources especially.
Background technology
In recent years, proposed the new ideas of " green illumination " at lighting field, meant and greatly develop and promote efficient, energy-saving and environmental protection, healthy ligthing paraphernalia, eliminated and replace traditional poor efficiency lighting source, electricity consumption saves lighting.At present, in the electricity consumption lighting technical field, from being the heat radiation light source of representative with the incandescent lamp, to being the glow discharge spot lamp of representative with the fluorescent lamp, to being the solid luminescent light source of representative with the LED semiconductor, the LED semiconductor light sources is little with its volume, in light weight, energy consumption is low, mechanical strength is big, safe and reliable, life-span is long, applying flexible, be convenient to plurality of advantages such as management control, become the focus of numerous engineers and technicians and businessman always, at phone, mobile phone, automobile, the traffic indication, power consumption equipment such as display screen and landscape light in city and place, LED cuts a conspicuous figure, in public illumination, domestic lighting, the industrial lighting field, LED also shows up prominently.
At present, LED is not also popularized in the application aspect family and the public illumination, there are not to form relevant technical standard and industry standard yet, its reason is except the technology of LED own and performance are not mature enough, and another major reason is because deficiency such as the LED lighting circuit exists complex structure, poor reliability, cost is high and the maintenance difficulty is big, the regeneration rate is low, useful life is short.Therefore, update the LED manufacturing process, improve luminous efficiency and the useful life of LED and do one's utmost to develop power consumption efficiency height, simple in structure, good stability, reliability height, with low cost, use easy to maintenance and regeneration rate height, long New LED lighting circuit of life-span, be the task of top priority of promoting the use of LED " green illumination " now.
Because the operating voltage of single LED is low, brightness is little, and a LED lamp generally all needs many LED just can reach needed brightness, and the LED circuit for lamp must have drive circuit.At present, the LED lighting circuit mainly is to adopt the switching power supply drive circuit to connect the parallel connection LED mode of loading of a plurality of LED series arms, be about to several LED series connection and form the LED series arm, will be connected with the switching power supply drive circuit after the parallel connection of a plurality of LED series arm again.There is the circuit structure complexity in above-mentioned LED lighting circuit, electric current is big, dissipation power is big, reliability is low, be difficult for maintenance and shortcomings such as the regeneration rate is low, cost height, be unfavorable for penetration and promotion, general at present is used in places such as decoration, advertisement, emergency lightings.
The series LED load is for led drive circuit, it is little to have the transformation multiplying power, output current is little, advantages such as dissipation power is low, voltage regulation result is good, it is the first choice circuit structure of LED application and development always, but existing series LED load circuit all is to adopt single LED series system, as long as LED open circuit in the series arm, the whole LED series arm just can not be worked, or as long as or many LED short circuits in the series arm will make remaining LED pressure drop increase and damage in succession, in case circuit breaks down, the layman is difficult to maintenance, can only integral replacing.Therefore, this class adopts the LED lighting circuit of single series LED load, has shortcomings such as economic and practical is poor, reliability is low, circuit lifetime is short, difficult maintenance equally, is unfavorable for popularization and application.
Summary of the invention
The purpose of this invention is to provide a kind of good reliability, easy maintenance, regeneration rate height, change LED lighting lamp circuit easily.
Another object of the present invention provides a kind ofly uses drive circuit simple in structure, with low cost still can reach the LED lighting lamp circuit of stability and reliability preferably.
Technical scheme provided by the invention is:
A kind of LED lamp assembly circuit unit: a LED or at least two LED series connection form the LED branch road; A voltage stabilizing didoe or at least two voltage stabilizing didoe series connection form the voltage stabilizing branch road; Above-mentioned LED branch road is in parallel with the voltage stabilizing branch road.
Better scheme is: the LED branch road described in the aforesaid LED lamp assembly circuit unit and a fuse or one insure resistance or a resistance is connected.
Better scheme is: the LED branch road described in the aforesaid LED lamp assembly circuit unit is in parallel with an electric capacity or a piezo-resistance.Perhaps, the LED branch road described in the aforesaid LED lamp assembly circuit unit is in parallel with an electric capacity and a piezo-resistance.
In the such scheme, quantity and rated voltage according to LED, above-mentioned LED lamp assembly circuit unit is equipped with suitable circuit board and shell installation, can make the standard LED lamp part of different rated power, as wick, Lamp cup, bulb, lamp chain, lamp pearl, lamp ring etc., these parts are installed in the lamp socket with the structure that is easy to dismounting and change.
The beneficial effect of the technical scheme of above-mentioned LED lamp assembly circuit unit is: each LED lamp assembly circuit unit has inner protective circuit of voltage regulation on the one hand; the functional reliability of LED improves greatly; can make domestic consumer on the other hand when LED circuit for lamp fault; can change LED lamp assembly circuit unit as changing common bulb; and needn't change whole lamp; to maintain easily maintenance, reduce breakdown loss, be of value to the standardized production and the popularization and application of LED lamp.
Provide a kind of compound serial LED circuit for lamp technical scheme to be below:
A kind of compound serial LED circuit for lamp is made up of at least two aforesaid identical LED lamp assembly circuit units in series.
Another kind of scheme is: a kind of compound serial LED circuit for lamp, form by at least two aforesaid different LED lamp assembly circuit units in series.
Better scheme is: a kind of compound serial LED circuit for lamp is composed in series with a resistance respectively by aforementioned two kinds of compound serial LED circuit for lamp.
Below be the operation principle that example illustrates above-mentioned compound serial LED circuit for lamp with Fig. 3:
When operate as normal, because the voltage stabilizing didoe VS of LED lamp assembly circuit unit is in critical not on-state, the compound serial LED circuit for lamp is equivalent to whole LED series connection, with the little current work of single branch road; If one or many LED open circuits in some LED lamp assembly circuits unit, to cause the voltage at two ends, this group LED lamp assembly circuit unit to raise, make its voltage stabilizing didoe VS conducting work, and the work pressure drop of keeping its two ends is constant substantially, continues as other LED lamp assembly circuit unit running current is provided; If one or many LED short circuits in some LED lamp assembly circuits unit; to cause the voltage at its two ends in parallel to reduce; its voltage stabilizing didoe VS flows through no current; the voltage segment that these two ends, LED lamp assembly circuit unit reduce will be distributed on other LED lamp assembly circuit unit; cause the voltage stabilizing didoe VS conducting work of other LED lamp assembly circuit unit; like this; this assembly circuit is not worked because of its voltage stabilizing didoe VS; the electric current that the current ratio that flows through its fuse FU flows through fuse FU in other LED lamp assembly circuit unit is big; when the LED short circuit is tending towards serious; fuse FU in this assembly circuit will take the lead in protecting and disconnect; entire circuit is got back to the operating state of above-mentioned LED open fault, continues operate as normal to keep all the other LED lamp assembly circuit unit.
In addition; whole LED of compound serial LED circuit for lamp are with the little current work of single branch road; and each LED lamp assembly circuit unit all has protective circuit of voltage regulation in its circuit; as long as drive circuit can provide a suitable voltage range just can keep the LED steady operation; therefore, the compound serial LED circuit for lamp can be applied to drive circuit simple in structure, with low cost.
The beneficial effect of the technical scheme of above-mentioned compound serial LED circuit for lamp is:
At first, the compound serial LED circuit for lamp is a kind of compound series LED load of being made up of LED lamp assembly circuit units in series, this compound series LED load makes the Maintenance and Repair of LED lamp very simple and convenient, particularly when the partial L ED of LED lamp fault, still can continue to keep all the other LED work as usual, make user trouble shooting position intuitively, and can continue to use illumination and the maintenance of needn't being eager, be of value to and be user-friendly to, overhaul and reduce breakdown loss and prolonged LED lamp useful life.
Secondly; each assembly circuit unit that protective circuit of voltage regulation is organically incorporated the series LED load circuit of compound serial LED circuit for lamp intention; can strengthen protection on the one hand effectively to LED; improve stability and the reliability of LED; can make the LED lamp less demanding on the other hand to the voltage regulation performance of drive circuit; even do not need special voltage stabilizing circuit, make the LED lamp drive circuit can be very simple, be of value to the cost that reduces the LED lamp.
Description of drawings
Fig. 1 is the preferred circuit figure scheme of LED lamp assembly circuit of the present invention unit.
Fig. 2 is a preferred embodiment circuit diagram of LED lamp assembly circuit of the present invention unit.
Fig. 3 is the preferred circuit figure scheme of compound serial LED circuit for lamp of the present invention.
Fig. 4 forms a preferred embodiment circuit diagram of LED lighting circuit for using compound serial LED circuit for lamp of the present invention.
Embodiment
Fig. 2 is a preferred embodiment circuit diagram of LED lamp assembly circuit of the present invention unit.
In Fig. 2, the rated voltage drop of every LED is 3 volts, and rated current is 20mA, and rated power is 0.06W, and the rated power of 8 LED is 0.48W, gets 65% of rated power, and the rated power that draws this assembly circuit unit is about 0.3W; The voltage stabilizing value of voltage stabilizing didoe is selected between the 20-24V, and power selects 1W; The current value of fuse selects 50mA.
Fig. 4 forms a preferred embodiment circuit diagram of LED lighting circuit for using compound serial LED circuit for lamp of the present invention.
In Fig. 4, compound serial LED circuit for lamp of the present invention and capacitances in series transformation type drive circuit A connect
Connect and form the series LED lighting circuit, in this LED series lighting circuit, form capacitances in series transformation type drive circuit A by capacitor C 2, resistance R 2, rectifier diode VD1-4 and capacitor C 1, wherein, capacitor C 2 and resistance R 2 compose in parallel transforming circuit, and rectifier diode VD1-4 and capacitor C 1 are formed bridge rectifier and filter circuit.This drive circuit is very simple, does not have voltage stabilizing circuit, and its output voltage changes with load current.But because compound serial LED circuit for lamp of the present invention itself has the multistage protective circuit of voltage regulation of grouping; and the whole LED circuit for lamp is with the little current work of single branch road; do not have other branch road influence, these characteristics have remedied the above-mentioned shortcoming of capacitances in series transformation type drive circuit A cleverly.Be with * number component parameters to decide among the figure according to the quantity and the rated power of series LED lamp assembly circuit unit.
Claims (7)
1. a LED lamp assembly circuit unit is characterized in that: a LED or two LED series connection formation LED branch roads at least; A voltage stabilizing didoe or at least two voltage stabilizing didoe series connection form the voltage stabilizing branch road; Above-mentioned LED branch road is in parallel with the voltage stabilizing branch road.
2. LED lamp assembly circuit according to claim 1 unit is characterized in that: described LED branch road and a fuse or an insurance resistance or a resistance are connected.
3. LED lamp assembly circuit according to claim 1 and 2 unit is characterized in that: its described LED lamp assembly circuit unit is in parallel with an electric capacity or a piezo-resistance.
4. LED lamp assembly circuit according to claim 1 and 2 unit is characterized in that: its described LED lamp assembly circuit unit is in parallel with an electric capacity and a piezo-resistance.
5. compound serial LED circuit for lamp, it is characterized in that: at least two as claim 1,2,3 or 4 described identical LED lamp assembly circuit units in series.
6. compound serial LED circuit for lamp, it is characterized in that: at least two as claim 1,2,3 or 4 described different LED lamp assembly circuit units in series.
7. according to claim 5 or 6 described compound serial LED circuit for lamp, it is characterized in that: this circuit is connected with a resistance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710084881XA CN100525562C (en) | 2007-02-17 | 2007-02-17 | LED lamp component circuit unit and compound serial LED lamp circuit |
| PCT/CN2008/000204 WO2008101383A1 (en) | 2007-02-17 | 2008-01-29 | Led lamp assembly, series circuit of led lamp assembly and led lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710084881XA CN100525562C (en) | 2007-02-17 | 2007-02-17 | LED lamp component circuit unit and compound serial LED lamp circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101018437A true CN101018437A (en) | 2007-08-15 |
| CN100525562C CN100525562C (en) | 2009-08-05 |
Family
ID=38727129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710084881XA Expired - Fee Related CN100525562C (en) | 2007-02-17 | 2007-02-17 | LED lamp component circuit unit and compound serial LED lamp circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100525562C (en) |
| WO (1) | WO2008101383A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101383A1 (en) * | 2007-02-17 | 2008-08-28 | Shenzhen Unibero Technology Co., Ltd | Led lamp assembly, series circuit of led lamp assembly and led lighting device |
| CN102644877A (en) * | 2012-04-26 | 2012-08-22 | 萧广万 | Alternating current led light source |
| CN106704888A (en) * | 2017-03-17 | 2017-05-24 | 南京养元素电子科技有限公司 | LED illumination device with high reliability |
| CN108317419A (en) * | 2018-05-14 | 2018-07-24 | 欧阳掌坤 | A kind of LED light bar |
| CN110139421A (en) * | 2018-02-09 | 2019-08-16 | Zkw集团有限责任公司 | Alternating turns on and off the circuit device of at least two electrically in parallel lamp branches of headlight |
| JP2023155014A (en) * | 2022-04-08 | 2023-10-20 | 株式会社スリーエス | LED device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447272A (en) * | 2010-10-08 | 2012-05-09 | 鸿富锦精密工业（深圳）有限公司 | Charging display circuit and electronic device with charging display circuit |
| SG183624A1 (en) * | 2011-02-11 | 2012-09-27 | Tai-Her Yang | Led device with voltage-limiting unit and shunt current-limiting resistance |
| SG183625A1 (en) * | 2011-02-11 | 2012-09-27 | Tai-Her Yang | Led device with shared voltage-limiting unit and individual voltage-equalizing resistance |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3520777B2 (en) * | 1998-09-18 | 2004-04-19 | 松下電工株式会社 | Light emitting diode composite circuit and lighting device using the same |
| CN2516806Y (en) * | 2001-11-30 | 2002-10-16 | 上海威廉照明电气有限公司 | Belt-shape light-emitting diode lamp |
| CN2678304Y (en) * | 2004-01-09 | 2005-02-09 | 张聪秀 | Energy-saving lighting lamp with decoration function |
| CN2694696Y (en) * | 2004-04-15 | 2005-04-20 | 李道明 | Novel night luminous lamp with micro power consumption |
| FR2891106A1 (en) * | 2005-09-20 | 2007-03-23 | Patrick Courteix | LEDs supplying and connecting method for producing lamp e.g. automobile lamp, involves connecting LEDs in series and associating Zener diode in parallel on each LED, where diode presents Zener voltage value greater than LED voltage |
| CN100525562C (en) * | 2007-02-17 | 2009-08-05 | 深圳市纯英新时代科技有限公司 | LED lamp component circuit unit and compound serial LED lamp circuit |
-
2007
- 2007-02-17 CN CNB200710084881XA patent/CN100525562C/en not_active Expired - Fee Related
-
2008
- 2008-01-29 WO PCT/CN2008/000204 patent/WO2008101383A1/en unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008101383A1 (en) * | 2007-02-17 | 2008-08-28 | Shenzhen Unibero Technology Co., Ltd | Led lamp assembly, series circuit of led lamp assembly and led lighting device |
| CN102644877A (en) * | 2012-04-26 | 2012-08-22 | 萧广万 | Alternating current led light source |
| CN106704888A (en) * | 2017-03-17 | 2017-05-24 | 南京养元素电子科技有限公司 | LED illumination device with high reliability |
| CN110139421A (en) * | 2018-02-09 | 2019-08-16 | Zkw集团有限责任公司 | Alternating turns on and off the circuit device of at least two electrically in parallel lamp branches of headlight |
| CN108317419A (en) * | 2018-05-14 | 2018-07-24 | 欧阳掌坤 | A kind of LED light bar |
| JP2023155014A (en) * | 2022-04-08 | 2023-10-20 | 株式会社スリーエス | LED device |
| JP7440196B2 (en) | 2022-04-08 | 2024-02-28 | 株式会社スリーエス | LED device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100525562C (en) | 2009-08-05 |
| WO2008101383A1 (en) | 2008-08-28 |
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Owner name: SHENZHEN CITY CHUNYING XINSHIDAI SCIENCE CO., LTD Free format text: FORMER OWNER: XIAO XIANGBO Effective date: 20080222 |
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Denomination of invention: LED lamp component circuit unit and compound serial LED lamp circuit Effective date of registration: 20110106 Granted publication date: 20090805 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen pure new era technology Co., Ltd.|Huizhou pure semiconductor lighting technology Co., Ltd. Registration number: 2011990000003 |
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Date of cancellation: 20120910 Granted publication date: 20090805 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen new era technology Co., Ltd., Guangdong pure British Photoelectric Technology Co.|Ltd. Registration number: 2011990000003 |
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Denomination of invention: LED lamp component circuit unit and compound serial LED lamp circuit Effective date of registration: 20120910 Granted publication date: 20090805 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen new era technology Co., Ltd., Guangdong pure British Photoelectric Technology Co.|Ltd. Registration number: 2012990000514 |
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Change date: 20120910 Registration number: 2011990000003 Pledgor after: Shenzhen new era technology Co., Ltd. Pledgor after: Guangdong pure British Photoelectric Technology Co., Ltd. Pledgor before: Shenzhen pure new era technology Co., Ltd. Pledgor before: Huizhou pure semiconductor lighting technology Co., Ltd. |
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