CN205746094U

CN205746094U - A kind of Novel LED light source structure

Info

Publication number: CN205746094U
Application number: CN201620456342.9U
Authority: CN
Inventors: 叶文
Original assignee: Shenzhen Jingge Nit Photoelectric Co Ltd
Current assignee: Shenzhen Jingge Nit Photoelectric Co Ltd
Priority date: 2016-05-19
Filing date: 2016-05-19
Publication date: 2016-11-30
Anticipated expiration: 2026-05-19

Abstract

The utility model discloses a kind of LED light source structure, including: constant current source (1), it draws positive power line and negative power line；Multiple LED lamp bead (2), described each LED lamp bead (2) includes a LEDs light source (20)；The plurality of LED lamp bead is sequentially connected between (2), and is connected between described positive power line and negative power line, uses a single line (3) to concatenate between two adjacent LED lamp bead (2).Implement LED light source structure of the present utility model, have that simple in construction is readily produced, low cost, luminous efficiency are high and are prone to the advantages such as construction.

Description

A kind of Novel LED light source structure

Technical field

This utility model relates to lighting field, particularly relates to a kind of LED light source.

Background technology

Based on LED(light emitting diode) in energy-conservation and in environmental protection huge advantage, it is widely used to various occasion, the patch light-emitting diode (paster LED) particularly developed, passed through flexible printed circuit board (the Flexible Printed Circuit Board being reflow soldered to design, FPC) upper or hard printed circuit board (Printed Circuit Board, PCB), on, simple LED lamp bar can be produced.Use this technology, may be used for making a large amount of use LED such as luminous mark, irradiancy signboard, illumination billboard, luminous lamp house and expose the occasions such as point source, LED module, LED lamp bar.

As it is shown in figure 1, be the circuit theory diagrams of a kind of LED light source being applied to luminous advertisement shop board in prior art.Wherein two positive-negative power lines drawn by constant voltage source, are parallel with multiple LED module 9 on these two positive-negative power lines, and each LED module 9 includes at least one LED light source, includes 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, owing to using constant voltage source to power, in order to ensure uniformity of luminance between each LED module 9 and ensure by each LED light source electric current less than the rated current of LED light source, the elements such as such as current-limiting resistance, electric capacity, diode and constant current IC typically need to be set in each LED module 9, to play blood pressure lowering metering function, therefore the luminous efficiency (i.e. electric energy is transformed into the efficiency of luminous energy) in this LED lamp bar is the highest；

Simultaneously as the existence of said elements, its energising all can produce heat, can improve the operating temperature of LED light source local environment, and the raising of operating temperature will certainly affect the service life of LED light source；

Simultaneously as need to use constant voltage Switching Power Supply, and the volume ratio of conventional constant voltage Switching Power Supply is relatively big, and the cable drawn is relatively thick, therefore when being arranged in this constant voltage Switching Power Supply by LED module 9, constructs more complicated, and cost is high.

Utility model content

Technical problem to be solved in the utility model is, it is provided that a kind of Novel LED light source structure, has that simple in construction is readily produced, low cost, luminous efficiency be high and the advantage such as life-span length.

In order to solve above-mentioned technical problem, embodiment of the present utility model provides a kind of Novel LED light source structure, it is characterised in that including:

Constant current source, it draws positive power line and negative power line；

Multiple LED lamp bead, described each LED lamp bead includes a LEDs light source；

Sequentially connect between the plurality of LED lamp bead, and be connected between described positive power line and negative power line, between two adjacent LED lamp bead, use a single line to concatenate.

Correspondingly, this utility model additionally provides a kind of Novel LED light source structure, including:

Multiple LED bead string, described each LED bead string includes at least two LED light sources parallel with one another；

Sequentially connect between the plurality of LED bead string, and be connected between described positive power line and negative power line, between two adjacent LED bead string, use a single line to concatenate.

Wherein, directly it is fixedly connected between LED bead string and described positive power line and the negative power line of the plurality of mutual concatenation.

Implement embodiment of the present utility model, have the advantages that

A kind of novel LED light source structure provided by the utility model, owing to have employed constant current source, and each LED bead string uses multiple LED light source to carry out parallel connection, or only with a LEDs light source, and between two adjacent LED bead string, use single line to concatenate, therefore its simple in construction, decrease the number of times of welding, it is easy to produce；

Secondly as in this LED light source structure, owing to have employed constant current source, it is provided that current constant and stable power supply, therefore without arranging the elements such as current-limiting resistance in each LED module, such that it is able to reduce production cost；

Simultaneously as without arranging the dissipative cells such as current-limiting resistance in each LED module, will not produce extra energy loss, the electricity almost all of constant current source changes into the luminescence of LED light source, thus improves the luminous efficiency of LED light source；

It addition, in such an embodiment, owing to constant current source can be made very small, power line need not use the thickest cable, constructs very convenient, and it is little to take up room.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of the LED light source of a kind of luminous advertisement shop board in prior art；

The circuit structure diagram of the first embodiment of a kind of Novel LED light source structure that Fig. 2 provides for this utility model；

The circuit structure diagram of the second embodiment of a kind of Novel LED light source structure that Fig. 3 provides for this utility model；

Fig. 4 is the electrical block diagram of a kind of constant current source employed in this utility model.

Detailed description of the invention

Below with reference to the accompanying drawings preferred embodiment of the present utility model is described.

Refer to shown in Fig. 2, it is shown that the first embodiment of a kind of LED light source structure that this utility model provides.In this embodiment, this LED light source structure includes:

Constant current source 1, it draws positive power line and negative power line, using the teaching of the invention it is possible to provide the DC source of current constant；

Multiple LED bead string 2, each LED bead string 2 includes at least two LED light sources 20 parallel with one another, and the most each LED bead string 2 includes 3 LEDs light sources 20, and this is only for example, non-for limiting, in actual applications when being configured according to actual needs；This LED light source 20 can be to use the form of paster LED, it is simple to automatic welding；

Sequentially connect between multiple LED bead string 2, and be connected between positive power line and negative power line, a single line 3 is used to concatenate between two adjacent LED bead string 2, indication single line is for two power lines that constant current source is drawn herein, have only to 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 insulation leather sheath wire, etc..

Directly it is fixedly connected between LED lamp bead 2 and positive power line and the negative power line of multiple mutual concatenations, as positive power line and negative power line are directly welded with corresponding LED module 2, or direct overlap joint etc..

Refer to shown in Fig. 2, it is shown that the second embodiment of a kind of LED light source structure that this utility model provides.In this embodiment, it can be seen that, this second embodiment is with the difference of first embodiment, this LED light source structure includes constant current source 1 and multiple LED lamp bead 2, in each LED lamp bead 2, a LEDs light source 20 is only set, sequentially connects between same the plurality of LED lamp bead 2, and be connected between positive power line and negative power line, use a single line 3 to concatenate between two adjacent LED lamp bead 2.

More details, can repeat at this most one by one in the lump with reference to the aforementioned description to Fig. 2.

As shown in Figure 4, it is shown that the electrical block diagram of the constant current source employed in a kind of Novel LED light source structure that this utility model provides.By using this constant current source, it can be the power supply providing between each LED bead string 2 and there is constant current.It is understood that in other examples, this constant current source can carry out some and change.

Implement embodiment of the present utility model, have the advantages that

A kind of novel LED light source structure provided by the utility model, owing to have employed constant current source, and each LED module uses multiple LED light source to carry out parallel connection, or only with a LEDs light source, and between two adjacent LED modules, use single line to concatenate, therefore its simple in construction, decrease the number of times of welding, it is easy to produce；

Above disclosed it is only this utility model preferred embodiment, certainly can not limit the interest field of this utility model, the equivalent variations therefore made according to this utility model claim with this, still belong to the scope that this utility model is contained.

Claims

1. a Novel LED light source structure, it is characterised in that including:

Constant current source (1), it draws positive power line and negative power line；

Multiple LED lamp bead (2), described each LED lamp bead (2) includes a LEDs light source (20)；

The plurality of LED lamp bead is sequentially connected between (2), and is connected between described positive power line and negative power line, uses a single line (3) to concatenate between two adjacent LED lamp bead (2).

2. a Novel LED light source structure, it is characterised in that including:

Multiple LED bead string (2), described each LED bead string (2) includes at least two LED light sources parallel with one another (20)；

Sequentially connect between the plurality of LED bead string (2), and be connected between described positive power line and negative power line, between two adjacent LED bead string (2), use a single line (3) to concatenate.

3. a kind of Novel LED light source structure as claimed in claim 2, it is characterised in that be directly fixedly connected between LED bead string (2) and described positive power line and the negative power line of the plurality of mutual concatenation.