CN204986560U - LED (light -emitting diode) light source structure - Google Patents
LED (light -emitting diode) light source structure Download PDFInfo
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- CN204986560U CN204986560U CN201520720104.XU CN201520720104U CN204986560U CN 204986560 U CN204986560 U CN 204986560U CN 201520720104 U CN201520720104 U CN 201520720104U CN 204986560 U CN204986560 U CN 204986560U
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- led
- power line
- light source
- led module
- lamp bar
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Abstract
The utility model discloses a LED (light -emitting diode) light source structure, include: constant current power supply, positive power line and negative power line are drawn forth to it, a plurality of LED modules, it sets up on the PCB board, each LED module includes an at least LED light source, establish ties according to the preface between a plurality of LED modules, and connect between positive power line and the negative power line, adopt a single line to concatenate between two adjacent LED modules. Implement the utility model discloses a LED (light -emitting diode) light source structure, have the simple structure easily production, with low costs, luminous efficacy is high and advantage such as longe -lived.
Description
Technical field
The utility model relates to lighting field, particularly relates to a kind of LED light source.
Background technology
Based on LED(light emitting diode) huge advantage on energy saving standard, it has been widely used in various occasion, the patch light-emitting diode (paster LED) particularly developed, by it by being reflow soldered to the flexible printed circuit board (FlexiblePrintedCircuitBoard designed, FPC) upper or hard printed circuit board (PrintedCircuitBoard, PCB), on, simple LED lamp bar can be produced.
As shown in Figure 1, be the circuit theory diagrams being applied to the LED lamp bar of advertising lamp box a kind of in prior art.Wherein two positive-negative power lines drawn by constant voltage source, and these two positive-negative power lines are parallel with multiple LED module 9, and each LED module 9 comprises the LED light source of two or three serial connections, comprises the current-limiting resistance (R1, R2, R3 etc.) for current limliting simultaneously.
But there is following weak point in existing this LED lamp strip structure:
First, power owing to adopting constant voltage source, in order to ensure uniformity of luminance between each LED module 9 and ensure by the rated current of each LED light source electric current lower than LED light source, generally need the elements such as such as current-limiting resistance, electric capacity, diode and constant current IC be set in each LED module 9, to play step-down metering function, therefore luminous efficiency (namely converting electric energy becomes the efficiency of luminous energy) in this LED lamp bar is not high;
Meanwhile, due to the existence of said elements, its energising all can produce heat, can improve the operating temperature of environment residing for LED light source, and the raising of operating temperature will certainly affect the service life of LED light source;
In addition, the two ends due to each LED module all need to be welded on two power lines, production process more complicated, and include the elements such as current-limiting resistance due to needs, and production cost is higher.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of LED light source structure, has that structure is simply easy to produce, cost is low, luminous efficiency is high and the advantage such as the life-span is long.
In order to solve the problems of the technologies described above, embodiment of the present utility model provides a kind of LED light source structure, comprising:
Constant-current supply, it draws positive power line and negative power line;
Multiple LED module, it is arranged on pcb board, and each LED module described comprises at least two LED light sources parallel with one another;
Sequentially connect between described multiple LED module, and be connected between described positive power line and negative power line, between two adjacent LED modules, adopt a single line to be connected in series.
Wherein, the connection between the LED module of described multiple mutual serial connection and described positive power line and negative power line is connected by plug connector.
Wherein, the LED module of described multiple mutual serial connection is connected with being directly fixed between described positive power line and negative power line.
Want to answer ground, another aspect of the present utility model, additionally provides a kind of LED light source structure, comprising:
Constant-current supply, it draws positive power line and negative power line;
Multiple LED module, it is arranged on pcb board, and each LED module described comprises at least one LEDs light source;
Sequentially connect between described multiple LED module, and be connected between described positive power line and negative power line, between two adjacent LED modules, adopt a single line to be connected in series.
Correspondingly, another aspect of the present utility model, additionally provides a kind of LED light source structure, comprising:
Constant-current supply, it draws positive power line and negative power line;
At least one LED lamp bar, is connected between described positive power line and negative power line after described at least one LED lamp bar serial connection;
Wherein, each LED lamp bar described comprises:
Multiple LED module, it is arranged on pcb board, and each LED module described comprises at least two LED light sources parallel with one another;
Sequentially connect between described multiple LED module, between two adjacent LED modules, adopt a single line to be connected in series.
Wherein, at least one LED lamp bar described is plural LED lamp bar, is connected in series between two adjacent LED lamp bar by a single line.
Wherein, the connection between the LED lamp bar of described multiple mutual serial connection and described positive power line and negative power line is connected by plug connector.
Wherein, the LED lamp bar of described multiple mutual serial connection is connected with being directly fixed between described positive power line and negative power line.
Wherein, each LED lamp bar described is all injected with gluey housing, and the exiting surface place of the LED light source of each LED module is provided with light transmissive material, fenestration or lens.
Correspondingly, another aspect of the present utility model, additionally provides a kind of LED light source structure, comprising:
Constant-current supply, it draws positive power line and negative power line;
At least one LED lamp bar, is connected between described positive power line and negative power line after described at least one LED lamp bar serial connection;
Wherein, each LED lamp bar described comprises:
Multiple LED module, it is arranged on pcb board, and each LED module described comprises at least one LEDs light source;
Sequentially connect between described multiple LED module, between two adjacent LED modules, adopt a single line to be connected in series.
Implement embodiment of the present utility model, there is following beneficial effect:
A kind of novel LED light source structure provided by the utility model, owing to have employed constant-current supply, and adopt multiple LED light source to carry out parallel connection in each LED module, or only adopt a LEDs light source, and adopt single line to be connected in series between two adjacent LED modules, therefore its structure is simple, decreases the number of times of welding, be easy to produce;
Secondly, due in this LED light source structure, owing to have employed constant-current supply, it can provide current constant and stable power supply, therefore without the need to arranging the elements such as current-limiting resistance in each LED module, thus can production cost be reduced;
Meanwhile, due in each LED module without the need to arranging the dissipative cells such as current-limiting resistance, can not produce extra energy loss, the electricity of constant-current supply almost all changes into the luminescence of LED light source, thus improves the luminous efficiency of LED light source;
In addition, in such an embodiment, owing to not having current-limiting resistance etc. to produce extra temperature, therefore the operating temperature of LED light source is lower, thus can improve the service life of LED light source.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of LED in prior art;
The circuit structure diagram of the first embodiment of a kind of LED light source structure that Fig. 2 the utility model provides;
The circuit structure diagram of the second embodiment of a kind of LED light source structure that Fig. 3 the utility model provides;
The circuit structure diagram of the 3rd embodiment of a kind of LED light source structure that Fig. 4 the utility model provides.
Detailed description of the invention
Below with reference to the accompanying drawings preferred embodiment of the present utility model is described.
Please refer to shown in Fig. 2, show the first embodiment of a kind of LED light source structure that the utility model provides.In this embodiment, this LED light source structure comprises:
Constant-current supply 1, it draws positive power line and negative power line, can provide the dc source of current constant;
Multiple LED module 2, it is arranged on pcb board, and each LED module 2 comprises at least two LED light sources 20 parallel with one another, each LED module 2 includes 3 LEDs light sources 20 in fig. 2, this is only citing, and non-is restriction, in actual applications when arranging according to actual needs; This LED light source 20 can adopt the form of paster LED, is convenient to automatic welding;
Sequentially connect between multiple LED module 2, and be connected between positive power line and negative power line, a single line 3 is adopted to be connected in series between two adjacent LED modules 2, indication single line is for two power lines that constant-current supply is drawn herein, only need a power line herein, in reality, the implementation of this single line can be multiple, such as, can be plain conductor, or be coated with the wire of insulation leather sheath, etc.
Wherein, the connection between the LED module 2 of multiple mutual serial connection and positive power line and negative power line is connected by the form of plug connector.
In other example, the LED module 2 of multiple mutual serial connection is connected with being directly fixed between positive power line and negative power line, as positive power line and negative power line are directly welded with corresponding LED module 2, or direct overlap joint etc.
Be understandable that, in other some embodiments, in each LED module 2, also a LEDs light source 20 can be only set, sequentially connect between same the plurality of LED module 2, and be connected between positive power line and negative power line, adopt a single line 3 to be connected in series between two adjacent LED modules 2.
Please refer to shown in Fig. 3, show the second embodiment of a kind of LED light source structure that the utility model provides.In this embodiment, the main distinction of itself and the first embodiment shown in Fig. 2 is, wherein, the profile of each LED module 2 is abnormally-structured, and the profile of the LED module 2 shown in Fig. 2 is rectangle.When being understandable that, in other application scenario, the profile of this LED module 2 also can be arranged to other shape, such as circular, oval etc., and the LED light source 20 that only need meet wherein is parallel-connection structure.
Please refer to shown in Fig. 4, show the 3rd embodiment of a kind of LED light source structure that the utility model provides, in this embodiment, this LED light source structure, comprising:
Constant-current supply 1, it draws positive power line and negative power line;
At least one LED lamp bar 4, at least one LED lamp bar 4 serial connection after be connected to LED module 2 positive power line and negative power line between;
Wherein, each LED lamp bar 4 comprises:
Multiple LED module 2, it is arranged on pcb board, and each LED module 2 comprises at least two LED light sources 20 parallel with one another, and as can be seen from the figure, there is shown each LED module 2 and comprise 3 LEDs light sources 20, be understandable that, this is only citing;
Sequentially connect between multiple LED module 2, between two adjacent LED modules 2, adopt a single line 3 to be connected in series.
Wherein, at least one LED lamp bar 4 is plural LED lamp bar 4, is connected in series between two adjacent LED lamp bar 4 by a single line 3.
Wherein, the connection between the LED lamp bar 4 of multiple mutual serial connection and positive power line and negative power line is connected by the form of plug connector.
In other application scenario, the LED lamp bar 4 of multiple mutual serial connection is connected with being directly fixed between positive power line and negative power line, as direct welding, or direct overlap joint etc.
Meanwhile, in actual applications, each LED lamp bar 4 also can be injected with gluey housing, and is translucent construction at the exiting surface place of the LED light source 20 of each LED module 2.Such as in actual applications, this gluey housing can be the materials such as such as PVC, ABS, PP, PMMA, TPE.And following several structures can be adopted at the exiting surface place of LED light source 20: one, adopts the materials such as PVC, ABS, PP, PMMA, TPE of printing opacity at exiting surface place; Its two, also can exiting surface place adopt fenestration so that the light emission of LED light source 20 is out; Three, also lens can be set at exiting surface place.Particularly, this gluey housing can be realized by plastic cement expressing technique.Be understandable that, in other some application scenarios, LED lamp bar 4 also can not injection-moulded housing.
Be understandable that, in other some embodiments, in each LED module 2, also a LEDs light source 20 can be only set, sequentially connect between same the plurality of LED module 2, and be connected between positive power line and negative power line, adopt a single line 3 to be connected in series between two adjacent LED modules 2.
More details, in the lump with reference to the aforementioned description to Fig. 2, Fig. 3, can not repeat at this one by one.
Implement embodiment of the present utility model, there is following beneficial effect:
A kind of novel LED light source structure provided by the utility model, owing to have employed constant-current supply, and adopt multiple LED light source to carry out parallel connection in each LED module, or only adopt a LEDs light source, and adopt single line to be connected in series between two adjacent LED modules, therefore its structure is simple, decreases the number of times of welding, be easy to produce;
Secondly, due in this LED light source structure, owing to have employed constant-current supply, it can provide current constant and stable power supply, therefore without the need to arranging the elements such as current-limiting resistance in each LED module, thus can production cost be reduced;
Meanwhile, due in each LED module without the need to arranging the dissipative cells such as current-limiting resistance, can not produce extra energy loss, the electricity of constant-current supply almost all changes into the luminescence of LED light source, thus improves the luminous efficiency of LED light source;
In addition, in such an embodiment, owing to not having current-limiting resistance etc. to produce extra temperature, therefore the operating temperature of LED light source is lower, thus can improve the service life of LED light source.
Above disclosedly be only the utility model preferred embodiment, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (9)
1. a LED light source structure, is characterized in that, comprising:
Constant-current supply (1), it draws positive power line and negative power line;
Multiple LED module (2), it is arranged on pcb board, and each LED module (2) described comprises at least two LED light sources (20) parallel with one another;
Sequentially connect between described multiple LED module (2), and be connected between described positive power line and negative power line, between two adjacent LED modules (2), adopt a single line (3) to be connected in series.
2. a kind of LED light source structure as claimed in claim 1, is characterized in that, the connection between the LED module (2) of described multiple mutual serial connection and described positive power line and negative power line is connected by plug connector.
3. a kind of LED light source structure as claimed in claim 1, is characterized in that, the LED module (2) of described multiple mutual serial connection is connected with being directly fixed between described positive power line and negative power line.
4. a LED light source structure, is characterized in that, comprising:
Constant-current supply (1), it draws positive power line and negative power line;
Multiple LED module (2), it is arranged on pcb board, and each LED module (2) described comprises a LEDs light source (20);
Sequentially connect between described multiple LED module (2), and be connected between described positive power line and negative power line, between two adjacent LED modules (2), adopt a single line (3) to be connected in series.
5. a LED light source structure, is characterized in that, comprising:
Constant-current supply (1), it draws positive power line and negative power line;
At least one LED lamp bar (4), is connected between described positive power line and negative power line after described at least one LED lamp bar (4) serial connection;
Wherein, described each LED lamp bar (4) comprising:
Multiple LED module (2), it is arranged on pcb board, and each LED module (2) described comprises at least two LED light sources (20) parallel with one another;
Sequentially connect between described multiple LED module (2), between two adjacent LED modules (2), adopt a single line (3) to be connected in series.
6. a kind of LED light source structure as claimed in claim 5, is characterized in that, wherein, described at least one LED lamp bar (4) is plural LED lamp bar (4), is connected in series between two adjacent LED lamp bar (4) by a single line (3).
7. a kind of LED light source structure as claimed in claim 5, it is characterized in that, connection between the LED lamp bar (4) of described multiple mutual serial connection and described positive power line and negative power line is connected by plug connector, or the LED lamp bar (4) of described multiple mutual serial connection is connected with being directly fixed between described positive power line and negative power line.
8. a kind of LED light source structure as described in any one of claim 5 to 7, it is characterized in that, described each LED lamp bar (4) is all injected with gluey housing, and the exiting surface place of the LED light source (20) of each LED module (2) is provided with light transmissive material, fenestration or lens.
9. a LED light source structure, is characterized in that, comprising:
Constant-current supply (1), it draws positive power line and negative power line;
At least one LED lamp bar (4), is connected between described positive power line and negative power line after described at least one LED lamp bar (4) serial connection;
Wherein, described each LED lamp bar (4) comprising:
Multiple LED module (2), it is arranged on pcb board, and each LED module (2) described comprises a LEDs light source (20);
Sequentially connect between described multiple LED module (2), between two adjacent LED modules (2), adopt a single line (3) to be connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720104.XU CN204986560U (en) | 2015-09-17 | 2015-09-17 | LED (light -emitting diode) light source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520720104.XU CN204986560U (en) | 2015-09-17 | 2015-09-17 | LED (light -emitting diode) light source structure |
Publications (1)
| Publication Number | Publication Date |
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| CN204986560U true CN204986560U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520720104.XU Active CN204986560U (en) | 2015-09-17 | 2015-09-17 | LED (light -emitting diode) light source structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068006A (en) * | 2017-03-22 | 2017-08-18 | 四川蓝景光电技术有限责任公司 | LED light box and display device |
| WO2020092783A1 (en) * | 2018-10-31 | 2020-05-07 | Contemporary Visions, LLC | Lighting system |
| WO2022099567A1 (en) * | 2020-11-13 | 2022-05-19 | 郑州创亿达照明有限公司 | Lighting lamp with a plurality of modules driven by single constant current power supply |
-
2015
- 2015-09-17 CN CN201520720104.XU patent/CN204986560U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068006A (en) * | 2017-03-22 | 2017-08-18 | 四川蓝景光电技术有限责任公司 | LED light box and display device |
| WO2020092783A1 (en) * | 2018-10-31 | 2020-05-07 | Contemporary Visions, LLC | Lighting system |
| US10962181B2 (en) | 2018-10-31 | 2021-03-30 | Contemporary Visions, LLC | Lighting system |
| WO2022099567A1 (en) * | 2020-11-13 | 2022-05-19 | 郑州创亿达照明有限公司 | Lighting lamp with a plurality of modules driven by single constant current power supply |
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