CN105657917A - Multiple parallel connection redundancy LED light source module circuit - Google Patents
Multiple parallel connection redundancy LED light source module circuit Download PDFInfo
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- CN105657917A CN105657917A CN201610210261.5A CN201610210261A CN105657917A CN 105657917 A CN105657917 A CN 105657917A CN 201610210261 A CN201610210261 A CN 201610210261A CN 105657917 A CN105657917 A CN 105657917A
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- circuit
- led light
- light source
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- diode
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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
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a multiple parallel connection redundancy LED light source module circuit and aims to provide an LED light source module circuit which is high in light emitting efficiency, low in internal friction and easy to manufacture. The multiple parallel connection redundancy LED light source module circuit comprises a current-limiting diode and a plurality of LED lamp bead units; the LED lamp bead units are mutually connected in series; the current-limiting diode is connected in series with the LED lamp bead units connected in series; and each LED lamp bead unit comprises an LED and a threshold diode which are connected in parallel. The invention further discloses a light source circuit applying the multiple parallel connection redundancy LED light source module circuit. By adopting the technical scheme disclosed by the invention, damage to any single LED lamp bead cannot influence working of other lamp beads, and an original circuit can be kept stable and unchanged; and the multiple parallel connection redundancy LED light source module circuit can be widely popularized in the lamp industry.
Description
Technical field
The invention discloses a kind of current-sharing redundancy LED light source modular circuit, relate to LED illumination device technical field.
Background technology
Various with the LED circuit pattern being luminous source at present, but the linked vector graph of its LED is simply simple series connection mostly, each LED strip joint group is provided with resistance R and triode T, namely each series connection group has the control circuit of oneself, in addition wiring board covers the thickness of copper and conductor width is on the low side, virtually increasing circuit in-fighting, as long as there being a LED to damage the luminescence that will stop full group in group, greatly constraining the luminous efficiency of circuit of light sources.
In prior art, though such as ZL2010201054557 circuit of light sources has certain light efficiency advantage, but defect is also clearly present, i.e. the version of inconspicuous, the power supply line of effect of control circuit and cover the quality problems of copper conductor and all govern the further raising of luminous efficiency. And for example, application number is the Chinese patent application box-shaped LED light source circuit of 201210030375.3, although simplifies circuit, reduce energy consumption, but need to provide in the stability of integrated circuit, and the function of hot plug cannot be realized, be unfavorable for actually used in detection safeguard.
Summary of the invention
The technical problem to be solved is: for the defect of prior art, a kind of current-sharing redundancy LED light source modular circuit is provided, a threshold diode is accessed in each LED lamp bead place parallel connection, LED lamp bead and diode match composition current-sharing redundant light source circuit, and any single led lamp bead is damaged all without having influence on the work of other lamp bead and that primary circuit can be kept to stablize is constant.
The present invention solves above-mentioned technical problem by the following technical solutions:
A kind of current-sharing redundancy LED light source modular circuit, including Current Limiting Diodes and a plurality of LED lamp bead unit, described LED lamp bead unit is connected in series with each other, and the LED lamp bead unit after described Current Limiting Diodes and a plurality of being connected in series is connected in series;
LED lamp bead unit includes a LED light emitting diode being connected in parallel and a threshold diode, and the positive pole of described LED light emitting diode is connected with the positive pole of described threshold diode, and the negative pole of LED light emitting diode is connected with the negative pole of threshold diode;
After circuit ON, during normal operation, LED light emitting diode lights, and threshold diode is not turned on, and when LED light emitting diode fault, the road electric current at threshold diode place increases, and threshold diode turns on, and threshold diode replaces LED light emitting diode and lights;
After changing LED light emitting diode, the road current reduction at threshold diode place, threshold diode ends, and the LED light emitting diode of replacing lights.
Preferably, the quantity of described LED lamp bead unit is 3.
The invention also discloses a kind of circuit of light sources applying described current-sharing redundancy LED light source modular circuit, including bridge rectifier mu balanced circuit, power supply line, cover copper conductor, also include a plurality of current-sharing redundancy LED light source modular circuit, described a plurality of current-sharing redundancy LED light source modular circuit is parallel with one another, a plurality of current-sharing redundancy LED light source modular circuits after parallel connection are connected with the outfan of described bridge rectifier mu balanced circuit, and the input of bridge rectifier mu balanced circuit is connected with power supply line;
The described power supply line two nodes on circuit of light sources may be provided in the arbitrfary point of both positive and negative polarity; Cover the power of copper conductor and circuit of light sources to match and all of to cover copper conductor wide.
Preferably, the quantity of described current-sharing redundancy LED light source modular circuit is 3 groups, and often in group, the quantity of LED lamp bead unit is 3.
Preferably, described in cover the power of copper conductor and circuit of light sources and match, for the circuit of light sources of 20W��100W, cover the Thickness of copper conductor range for 35��50 microns, width span be 3��8 millimeters.
Preferably, described Current Limiting Diodes is as the highest valve of electric current of whole circuit, and concrete model is 100-150MA, 800V; The concrete model of described threshold diode is 500MA, 5V.
The present invention adopts above technical scheme compared with prior art, has following technical effect that
1. simplifying circuit structure, cost is low, the life-span is long, it is easy to manufacture, and provides conveniently for optimizing design, exploiting market.
2. in-fighting is low, light efficiency is high, and the voltage before and after circuit of light sources is more balanced, and luminous efficiency improves more than 15% on year-on-year basis, has been promoted to 115Lm.
3. any single led lamp bead is damaged all without having influence on the work of other lamp bead and that primary circuit can be kept to stablize is constant, and supports that the hot plug of LED lamp bead is changed so that the stability in use raising of whole lighting, easy to maintenance.
All light fixtures that it is luminous source with low-power LED that the present invention is applicable to, promotion prospect is had an optimistic view of.
Accompanying drawing explanation
Fig. 1 is in the present invention, LED lamp bead cellular construction schematic diagram.
Fig. 2 is in the present invention, LED light source module schematic diagram.
Fig. 3 is the lighting circuit schematic diagram of application LED light source module.
Detailed description of the invention
Being described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish. The embodiment described below with reference to accompanying drawing is illustrative of, and is only used for explaining the present invention, and is not construed as limiting the claims.
Below in conjunction with accompanying drawing, technical scheme is described in further detail:
In the present invention, LED lamp bead cellular construction schematic diagram is as shown in Figure 1, LED light source module schematic diagram is as shown in Figure 2, circuit includes Current Limiting Diodes and a plurality of LED lamp bead unit, described LED lamp bead unit is connected in series with each other, described Current Limiting Diodes with a plurality of be connected in series after LED lamp bead unit be connected in series;LED lamp bead unit includes a LED light emitting diode being connected in parallel and a threshold diode, and the positive pole of described LED light emitting diode is connected with the positive pole of described threshold diode, and the negative pole of LED light emitting diode is connected with the negative pole of threshold diode; After circuit ON, during normal operation, LED light emitting diode lights, and threshold diode is not turned on, and when LED light emitting diode fault, the road electric current at threshold diode place increases, and threshold diode turns on, and threshold diode replaces LED light emitting diode and lights; After changing LED light emitting diode, the road current reduction at threshold diode place, threshold diode ends, and the LED light emitting diode of replacing lights.
The lighting circuit schematic diagram of application LED light source module is as shown in Figure 3, including bridge rectifier mu balanced circuit, power supply line, cover copper conductor, also include a plurality of current-sharing redundancy LED light source modular circuit, described a plurality of current-sharing redundancy LED light source modular circuit is parallel with one another, a plurality of current-sharing redundancy LED light source modular circuits after parallel connection are connected with the outfan of described bridge rectifier mu balanced circuit, and the input of bridge rectifier mu balanced circuit is connected with power supply line; The described power supply line two nodes on circuit of light sources may be provided in the arbitrfary point of both positive and negative polarity; Cover the power of copper conductor and circuit of light sources to match and all of to cover copper conductor wide.
In a particular embodiment, it is preferred that the quantity of described current-sharing redundancy LED light source modular circuit is 3 groups, and often in group, the quantity of LED lamp bead unit is 3.
In a particular embodiment, it is preferred that described in cover the power of copper conductor and circuit of light sources and match, for the circuit of light sources of 20W��100W, cover the Thickness of copper conductor range for 35��50 microns, width span be 3��8 millimeters.
In single led light source module (30-50W), Current Limiting Diodes adopts 100-150MA (selecting electric current according to side circuit) 800V as the highest valve of electric current of whole circuit, it is prevented that leads to super-high-current in circuit and causes that LED Light-Emitting Diode damages; Threshold diode adopts 5V500MA, when single LEDs LED failure open circuit, electric current threshold value diode in parallel ensures the normal operation of whole circuit, under LED Light-Emitting Diode normal operation, because the conduction value (LEDVF value is 2.8-3.2V) that threshold value diode is than LED is high, threshold diode does not work, so not affecting the LED operation of whole circuit.
This programme can be used in parallel, and circuit does not disturb mutually. When single source or light source module damage, it is possible to hot plug, other ingredient in circuit will not be impacted. It is revolutionary improvement for current LED light source and light fixture, greatly improves light source service life, reduce light fixture spoilage, reduce maintenance cost and time. Product, as modular member, formulates unified specifications and models, also improves the parts utilization rate of different lamps, reduces the wasting of resources.
Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, it is also possible to make a variety of changes under the premise without departing from present inventive concept. the above, it it is only presently preferred embodiments of the present invention, not the present invention is done any pro forma restriction, although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention, any those skilled in the art, without departing within the scope of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to the Equivalent embodiments of equivalent variations, in every case it is without departing from technical solution of the present invention content, technical spirit according to the present invention, within the spirit and principles in the present invention, the any simple amendment that above example is made, equivalent replacement and improvement etc., all still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a current-sharing redundancy LED light source modular circuit, it is characterised in that: including Current Limiting Diodes and a plurality of LED lamp bead unit, described LED lamp bead unit is connected in series with each other, described Current Limiting Diodes with a plurality of be connected in series after LED lamp bead unit be connected in series;
LED lamp bead unit includes a LED light emitting diode being connected in parallel and a threshold diode, and the positive pole of described LED light emitting diode is connected with the positive pole of described threshold diode, and the negative pole of LED light emitting diode is connected with the negative pole of threshold diode;
After circuit ON, during normal operation, LED light emitting diode lights, and threshold diode is not turned on, and when LED light emitting diode fault, the road electric current at threshold diode place increases, and threshold diode turns on, and threshold diode replaces LED light emitting diode and lights;
After changing LED light emitting diode, the road current reduction at threshold diode place, threshold diode ends, and the LED light emitting diode of replacing lights.
2. the circuit of light sources applying current-sharing redundancy LED light source modular circuit as claimed in claim 1, including bridge rectifier mu balanced circuit, power supply line, cover copper conductor, it is characterized in that: also include a plurality of current-sharing redundancy LED light source modular circuit, described a plurality of current-sharing redundancy LED light source modular circuit is parallel with one another, a plurality of current-sharing redundancy LED light source modular circuits after parallel connection are connected with the outfan of described bridge rectifier mu balanced circuit, and the input of bridge rectifier mu balanced circuit is connected with power supply line;
The described power supply line two nodes on circuit of light sources may be provided in the arbitrfary point of both positive and negative polarity; Cover the power of copper conductor and circuit of light sources to match and all of to cover copper conductor wide.
3. a kind of current-sharing redundancy LED light source modular circuit as claimed in claim 1, it is characterised in that: the quantity of described LED lamp bead unit is 3.
4. a kind of circuit of light sources as claimed in claim 2, it is characterised in that: the quantity of described current-sharing redundancy LED light source modular circuit is 3 groups, and often in group, the quantity of LED lamp bead unit is 3.
5. a kind of circuit of light sources as described in claim 2 or 4, it is characterized in that: described in cover the power of copper conductor and circuit of light sources and match, for the circuit of light sources of 20W��100W, cover the Thickness of copper conductor range for 35��50 microns, width span be 3��8 millimeters.
6. a kind of current-sharing redundancy LED light source modular circuit as described in claim 1 or 3, it is characterised in that: described Current Limiting Diodes is as the highest valve of electric current of whole circuit, and concrete model is 100-150MA, 800V; The concrete model of described threshold diode is 500MA, 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210261.5A CN105657917A (en) | 2016-04-06 | 2016-04-06 | Multiple parallel connection redundancy LED light source module circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610210261.5A CN105657917A (en) | 2016-04-06 | 2016-04-06 | Multiple parallel connection redundancy LED light source module circuit |
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| CN105657917A true CN105657917A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610210261.5A Pending CN105657917A (en) | 2016-04-06 | 2016-04-06 | Multiple parallel connection redundancy LED light source module circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847799A (en) * | 2017-03-17 | 2017-06-13 | 南京养元素电子科技有限公司 | A kind of high reliability LED lamp bead based on Zero-ohm resistor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043720Y (en) * | 2007-06-19 | 2008-04-02 | 天津医科大学总医院 | AC LED Lamp |
| CN202065747U (en) * | 2011-05-30 | 2011-12-07 | 四川新力光源有限公司 | LED (Light-Emitting Diode) panel lamp |
| CN102595723A (en) * | 2012-02-07 | 2012-07-18 | 薛焕章 | Square-shaped light emitting diode (LED) light source circuit |
| CN203327346U (en) * | 2013-07-26 | 2013-12-04 | 朱耀辉 | LED illuminating light string |
| CN205622922U (en) * | 2016-04-06 | 2016-10-05 | 江苏启日能源科技有限公司 | Redundant LED light source module circuit flow equalizes |
-
2016
- 2016-04-06 CN CN201610210261.5A patent/CN105657917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201043720Y (en) * | 2007-06-19 | 2008-04-02 | 天津医科大学总医院 | AC LED Lamp |
| CN202065747U (en) * | 2011-05-30 | 2011-12-07 | 四川新力光源有限公司 | LED (Light-Emitting Diode) panel lamp |
| CN102595723A (en) * | 2012-02-07 | 2012-07-18 | 薛焕章 | Square-shaped light emitting diode (LED) light source circuit |
| CN203327346U (en) * | 2013-07-26 | 2013-12-04 | 朱耀辉 | LED illuminating light string |
| CN205622922U (en) * | 2016-04-06 | 2016-10-05 | 江苏启日能源科技有限公司 | Redundant LED light source module circuit flow equalizes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847799A (en) * | 2017-03-17 | 2017-06-13 | 南京养元素电子科技有限公司 | A kind of high reliability LED lamp bead based on Zero-ohm resistor |
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Application publication date: 20160608 |
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