CN201078594Y - LED lamp assembly circuit unit and composite series connection type LED lamp circuit - Google Patents
LED lamp assembly circuit unit and composite series connection type LED lamp circuit Download PDFInfo
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- CN201078594Y CN201078594Y CNU2007200040292U CN200720004029U CN201078594Y CN 201078594 Y CN201078594 Y CN 201078594Y CN U2007200040292 U CNU2007200040292 U CN U2007200040292U CN 200720004029 U CN200720004029 U CN 200720004029U CN 201078594 Y CN201078594 Y CN 201078594Y
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Abstract
An LED lamp component circuit unit and a composite series LED lamp circuit are provided, which relates to the technical field of LED energy-saving illumination. The LED lamp component circuit unit is basically characterized in that: one LED or at least two LED form an LED branch in series connection; one voltage regulator diode or at least two voltage regulator diodes form a voltage regulation branch in series connection; then the two branches are in parallel. The composite series LED lamp circuit is basically characterized in that: at least two LED lamp component circuit units the same as or be different from the unit mentioned are connected in series. The LED lamp circuit breaks the whole LED lamp circuit into parts in the mode of LED component circuit unit and skillfully arranges a voltage regulation protective circuit in each LED component circuit unit, so as to resolve the technical problems of the existing LED lighting circuit as bad reliability, uneasy for overhaul, low second using rate, inconvenient exchange, complex structure, high cost and short service life, etc. and the technical difficulties of connecting LED loading in series when applied in LED lighting circuit.
Description
Technical field
The utility model relates to a kind of simple and practical energy-saving illumination new technology, refers 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, consumer 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, service life is short.Therefore, update the LED manufacturing process, improve luminous efficiency and the service 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, dissipated 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 dissipated 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 utility model provides a kind of good reliability, easy maintenance, regeneration rate height, changes LED lighting lamp circuit easily.
Another purpose of the present utility model 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.
The technical scheme that the utility model provides is:
A kind of LED lamp assembly circuit unit: a LED or at least two LED series connection form the LED branch road; A Zener diode or at least two Zener diode 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 Zener diode 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 Zener diode 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 Zener diode 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 Zener diode VS conducting work of other LED lamp assembly circuit unit; like this; this assembly circuit is not worked because of its Zener diode 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 duty 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 service 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 mu balanced 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 described in the utility model unit.
Fig. 2 is a preferred embodiment circuit diagram of LED lamp assembly circuit described in the utility model unit.
Fig. 3 is the preferred circuit figure scheme of compound serial LED circuit for lamp described in the utility model.
Fig. 4 forms a preferred embodiment circuit diagram of LED lighting circuit for using compound serial LED circuit for lamp described in the utility model.
The specific embodiment
Fig. 2 is a preferred embodiment circuit diagram of LED lamp assembly circuit described in the utility model 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 Zener diode 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 described in the utility model.
In Fig. 4, compound serial LED circuit for lamp described in the utility model and capacitances in series transformation type drive circuit
A connects
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, commutation diode VD1-4 and capacitor C 1, wherein, capacitor C 2 and resistance R 2 compose in parallel transforming circuit, and commutation diode VD1-4 and capacitor C 1 are formed bridge rectifier and filter circuit.This drive circuit is very simple, does not have mu balanced circuit, and its output voltage changes with load current.But because compound serial LED circuit for lamp described in the utility model 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 (10)
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 Zener diode or at least two Zener diode 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 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 2 unit is characterized in that: its described LED lamp assembly circuit unit is in parallel with an electric capacity or a piezo-resistance.
5. LED lamp assembly circuit according to claim 1 unit is characterized in that: its described LED lamp assembly circuit unit is in parallel with an electric capacity and a piezo-resistance.
6. LED lamp assembly circuit according to claim 2 unit is characterized in that: its described LED lamp assembly circuit unit is in parallel with an electric capacity and a piezo-resistance.
7. compound serial LED circuit for lamp is characterized in that: at least two claims 1,2,3,4,5 or 6 described LED lamp assembly circuit units in series.
8. compound serial LED circuit for lamp according to claim 7 is characterized in that: this circuit is connected with a resistance.
9. a compound serial LED circuit for lamp is characterized in that: two described compound serial LED circuit for lamp series connection of different claims 7 at least.
10. compound serial LED circuit for lamp according to claim 9 is characterized in that: this circuit is connected with a resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200040292U CN201078594Y (en) | 2007-02-17 | 2007-02-17 | LED lamp assembly circuit unit and composite series connection type LED lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200040292U CN201078594Y (en) | 2007-02-17 | 2007-02-17 | LED lamp assembly circuit unit and composite series connection type LED lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078594Y true CN201078594Y (en) | 2008-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200040292U Expired - Fee Related CN201078594Y (en) | 2007-02-17 | 2007-02-17 | LED lamp assembly circuit unit and composite series connection type LED lamp circuit |
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| CN (1) | CN201078594Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202436A (en) * | 2010-03-23 | 2011-09-28 | 张志军 | Light-emitting diode (LED) unit and constant-current unit voltage-stabilizing light-emitting diode (LED) traffic signal lamp |
| CN101566283B (en) * | 2009-06-01 | 2011-10-12 | 艾迪光电（杭州）有限公司 | Concentrative-driving combined LED light fitting |
| CN109058799A (en) * | 2018-10-25 | 2018-12-21 | 深圳市虹晟源光电科技有限公司 | A kind of LED light bar |
-
2007
- 2007-02-17 CN CNU2007200040292U patent/CN201078594Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566283B (en) * | 2009-06-01 | 2011-10-12 | 艾迪光电（杭州）有限公司 | Concentrative-driving combined LED light fitting |
| CN102202436A (en) * | 2010-03-23 | 2011-09-28 | 张志军 | Light-emitting diode (LED) unit and constant-current unit voltage-stabilizing light-emitting diode (LED) traffic signal lamp |
| CN109058799A (en) * | 2018-10-25 | 2018-12-21 | 深圳市虹晟源光电科技有限公司 | A kind of LED light bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED lamp component circuit unit and compound serial LED lamp circuit Effective date of registration: 20110106 Granted publication date: 20080625 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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120910 Granted publication date: 20080625 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen new era technology Co., Ltd., Guangdong pure British Photoelectric Technology Co.|Ltd. Registration number: 2011990000003 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED lamp component circuit unit and compound serial LED lamp circuit Effective date of registration: 20120910 Granted publication date: 20080625 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen new era technology Co., Ltd., Guangdong pure British Photoelectric Technology Co.|Ltd. Registration number: 2012990000514 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
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. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20130217 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140812 Granted publication date: 20080625 Pledgee: Ping An Bank Ltd Shenzhen branch Pledgor: Shenzhen new era technology Co., Ltd., Guangdong pure British Photoelectric Technology Co.|Ltd. Registration number: 2012990000514 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |