CN102487559A - LED (Light-emitting Diode) power supply current distributor - Google Patents
LED (Light-emitting Diode) power supply current distributor Download PDFInfo
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- CN102487559A CN102487559A CN2010105747094A CN201010574709A CN102487559A CN 102487559 A CN102487559 A CN 102487559A CN 2010105747094 A CN2010105747094 A CN 2010105747094A CN 201010574709 A CN201010574709 A CN 201010574709A CN 102487559 A CN102487559 A CN 102487559A
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- current source
- led
- constant current
- power supply
- voltage signal
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Abstract
The invention discloses an LED (Light-emitting Diode) power supply current distributor which comprises a power supply module and multiple constant current source generation circuits connected with the power supply module, wherein the multiple constant current source generation circuits are mutually independent and can work without influencing each other; the input ends of the multiple constant current source generation circuits are connected to the output end of an input voltage signal module or respectively connected to the output ends of multiple input voltage signal modules in parallel; and the output ends of the multiple constant current source generation circuits are connected with multiple LED lamp groups and provide corresponding working power supplies to the LED lamp groups correspondingly. The LED supply current distributor disclosed by the invention is simple in structure, reasonable in design, convenient in use and low in production cost and maintenance cost, can be used for simplifying a multi-group LED lamp system structure, is high in reliability and good in use effect, and can be conveniently popularized and used.
Description
Technical field
The invention belongs to the LED lighting technical field, especially relate to a kind of LED source current distributor.
Background technology
The LED illumination has energy-saving and environmental protection, safety, energy consumption is low, the life-span is long; Low-heat, white light, high brightness, easy light modulation, light beam are concentrated; Advantages such as waterproof, shockproof, miniature, easy maintenance are widely used in places such as road lighting, office lighting, advertising lighting, waiting room illumination, automotive lighting at present.LED is generally constant-current source and drives, and mode is the LED lamp of one group of series connection of a power drives usually, if wherein a certain LED lamp damages short circuit, does not influence the work of other LED lamps, if open circuit, does not then all work.In this manner, want complete overhaul after opening circuit, complicated operation has increased the cost of overhaul; And, when needs are much organized LED, just need a lot of power supplys, increased the complexity of system, increased cost, also wayward.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art a kind of LED source current distributor to be provided, and it is simple in structure; Reasonable in design, easy to use, it is low and reduced maintenance cost to manufacture cost; Simplified many groups LED lamp system structure; Reliability is high, and result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of LED source current distributor; It is characterized in that: comprise power module and the constant current source generating circuit that is independent of each other with join a plurality of separate of power module and work; The input of a plurality of constant current source generating circuits also is connected in the output of an input voltage signal module or is connected on the output of a plurality of input voltage signal modules respectively, and the output of a plurality of constant current source generating circuits joins and corresponds to LED lamp group with a plurality of LED lamp groups respectively provides the relevant work power supply.
Above-mentioned a kind of LED source current distributor, it is characterized in that: said constant current source generating circuit is the voltage controlled current source circuit.
Above-mentioned a kind of LED source current distributor is characterized in that: it is characterized in that: be connected with control switch between the output of the input of said constant current source generating circuit and input voltage signal module.
The present invention compared with prior art has the following advantages:
1, the present invention is made up of power module, constant current source generating circuit and input voltage signal module, has realized the illuminalive power-supply of many groups LED lamp, and is simple in structure and reasonable in design.
2, the present invention can produce LED multi-path as required and drives and to use constant-current source, is isolated from each other between each road constant-current source, and organize under the situation that LED works simultaneously at needs can simplied system structure more, reduces cost.
3, the present invention can not influence other LED channels lamp work when wherein a paths of LEDs breaks down, and has improved the reliability of system.
4, a plurality of constant current source generating circuits of the present invention are independent of each other, are independent of each other in the work.
5, result of use of the present invention is good, helps the LED illuminating lamp is applied to places such as road lighting, office lighting, advertising lighting, waiting room illumination, automotive lighting, is convenient to promote the use of.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of the embodiment of the invention 2.
Fig. 3 is the structural representation of the embodiment of the invention 3.
Fig. 4 is the structural representation of the embodiment of the invention 4.
Description of reference numerals:
The 1-power module; 2-constant current source generating circuit; 3-input voltage signal module;
The 4-control switch; 5-LED lamp group.
Embodiment
As shown in Figure 1; The constant current source generating circuit 2 that the present invention includes power module 1 and be independent of each other with join a plurality of separate of power module 1 and work; The input of a plurality of constant current source generating circuits 2 also is connected in the output of an input voltage signal module 3, and the output of a plurality of constant current source generating circuits 2 joins and corresponds to LED lamp group 5 with a plurality of LED lamp groups 5 respectively provides the relevant work power supply.When the needed constant-current supply equal and opposite in direction of a plurality of LED lamp group 5, can adopt this mode.
In the present embodiment, said constant current source generating circuit 2 is the voltage controlled current source circuit.
As shown in Figure 2, what present embodiment and embodiment 1 were different is, is connected with control switch 4 between the output of the input of said constant current source generating circuit 2 and input voltage signal module 3, has further strengthened the controllability of circuit.All the other structures are all identical with embodiment 1.
As shown in Figure 3, what present embodiment and embodiment 1 were different is that the input of a plurality of constant current source generating circuits 2 is connected on the output of a plurality of input voltage signal modules 3 respectively.All the other structures are all identical with embodiment 1.When the required access various different voltages value of a plurality of LED lamp group 5, can adopt this mode.
As shown in Figure 4, what present embodiment and embodiment 3 were different is, is connected with control switch 4 between the output of the input of said constant current source generating circuit 2 and input voltage signal module 3, has further strengthened the controllability of circuit.All the other structures are all identical with embodiment 3.
The present invention adopts a plurality of constant current source generating circuits 2 from a power module 1, to absorb electric energy, and the voltage signal of being imported through input voltage signal module 3 produces the multiple constant current source signal, can drive a plurality of LED groups 5 simultaneously; Each constant current source generating circuit 2 is separate each other, is independent of each other in the work, like this; When wherein a paths of LEDs breaks down; Can not influence other LED channels lamp work,, further strengthen the controllability of circuit through between the output of the input of constant current source generating circuit 2 and input voltage signal module 3, being connected control switch 4; The reliability of system is high; Result of use is good, helps the LED illuminating lamp is applied to places such as road lighting, office lighting, advertising lighting, waiting room illumination, automotive lighting, is convenient to promote the use of.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection range of technical scheme of the present invention.
Claims (3)
1. LED source current distributor; It is characterized in that: comprise power module (1) and the constant current source generating circuit (2) that is independent of each other with join a plurality of separate of power module (1) and work; The input of a plurality of constant current source generating circuits (2) also is connected in the output of an input voltage signal module (3) or is connected on the output of a plurality of input voltage signal modules (3) respectively, and the output of a plurality of constant current source generating circuits (2) joins with a plurality of LED lamp groups (5) respectively and corresponds to LED lamp group (5) provides the relevant work power supply.
2. according to the described a kind of LED source current distributor of claim 1, it is characterized in that: said constant current source generating circuit (2) is the voltage controlled current source circuit.
3. according to the described a kind of LED source current distributor of claim 1, it is characterized in that: be connected with control switch (4) between the output of the input of said constant current source generating circuit (2) and input voltage signal module (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105747094A CN102487559A (en) | 2010-12-06 | 2010-12-06 | LED (Light-emitting Diode) power supply current distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105747094A CN102487559A (en) | 2010-12-06 | 2010-12-06 | LED (Light-emitting Diode) power supply current distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102487559A true CN102487559A (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105747094A Pending CN102487559A (en) | 2010-12-06 | 2010-12-06 | LED (Light-emitting Diode) power supply current distributor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2073604A1 (en) * | 2007-12-21 | 2009-06-24 | Alliance Optotek Co.,Ltd. | Led lamp and driving apparatus for the same |
| CN201577222U (en) * | 2009-07-25 | 2010-09-08 | 深圳茂硕电源科技股份有限公司 | Remote stepless dimming LED multiplex drive constant current system and constant current source |
| CN201657405U (en) * | 2010-01-05 | 2010-11-24 | 英飞特电子（杭州）有限公司 | Circuit applicable to current-sharing control on multiple LEDs |
-
2010
- 2010-12-06 CN CN2010105747094A patent/CN102487559A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2073604A1 (en) * | 2007-12-21 | 2009-06-24 | Alliance Optotek Co.,Ltd. | Led lamp and driving apparatus for the same |
| CN201577222U (en) * | 2009-07-25 | 2010-09-08 | 深圳茂硕电源科技股份有限公司 | Remote stepless dimming LED multiplex drive constant current system and constant current source |
| CN201657405U (en) * | 2010-01-05 | 2010-11-24 | 英飞特电子（杭州）有限公司 | Circuit applicable to current-sharing control on multiple LEDs |
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Application publication date: 20120606 |