CN214890630U - Multi-color flexible LED lamp strip - Google Patents
Multi-color flexible LED lamp strip Download PDFInfo
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- CN214890630U CN214890630U CN202121375800.3U CN202121375800U CN214890630U CN 214890630 U CN214890630 U CN 214890630U CN 202121375800 U CN202121375800 U CN 202121375800U CN 214890630 U CN214890630 U CN 214890630U
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Abstract
The utility model discloses a multi-color flexible LED lamp strip, which comprises a flexible circuit board, wherein an LED circuit is printed on the flexible circuit board, an LED unit and a resistance unit are welded on the front surface of the flexible circuit board, the LED unit is connected with the resistance unit in series, the LED unit comprises a plurality of light emitting diode arrays with different color lights, and the plurality of light emitting diode arrays are connected in parallel; by the scheme, the resistors are pulled out from the branches of the LED circuits and then are arranged on the trunk of the LED circuits, so that the using number of the resistors can be reduced, the resistors cannot be easily desoldered to cause falling off when the colorful flexible LED strip is bent and twisted, the working voltage of each LED array becomes stable, and the service life of the colorful flexible LED strip can be prolonged; in addition, the resistor is designed on the trunk of the LED circuit, the difficulty of the welding process of the resistor can be reduced, the production efficiency of the colored flexible LED lamp strip can be improved, and the rejection rate and the production cost of the colored flexible LED lamp strip can be reduced.
Description
Technical Field
The utility model relates to a flexible LED lamp area of polychrome.
Background
The flexible LED lamp strip is an LED light-emitting product which is assembled by using an FPC (flexible printed circuit) as an assembling circuit board and using a SMD LED, the thickness of the product is about that of one coin, and the flexible LED lamp strip does not occupy space. In recent years, the flexible LED strip is popular among people because of its advantages of being able to be bent freely without breaking, easy to be formed, long in service life (generally, the normal service life is 8 to 10 ten thousand hours), green and environment-friendly; along with the technical innovation of the LED lamp, the color gamut of the existing LED lamp is more, more and more colorful and various, so that more and more people design the existing flexible LED lamp strip into the multi-color flexible LED lamp strip so as to meet the requirements of users on light with different colors.
As shown in fig. 1 and 2, an existing color flexible LED strip includes a flexible circuit board 1A and a coating layer 2A, an LED circuit is printed on the flexible circuit board, a plurality of light emitting diode arrays 4A with different color lights are welded on a front surface of the flexible circuit board 1, the plurality of light emitting diode arrays 4A are connected in parallel, each light emitting diode array 4A includes a plurality of light emitting diodes 41A connected in series, each light emitting diode array 4A is connected in series with at least one resistor 3A, and the resistor 3A performs a voltage division function to ensure that voltages at two ends of each light emitting diode 41A are normal, so that the light emitting diodes 41A can emit light normally; as shown in fig. 3, if the number of the light emitting diodes 41A connected in series on each light emitting diode array 4A is too large, in order to ensure the normal operation of the flexible LED strip, a plurality of resistors need to be connected in series on the light emitting diode array 4A, because of the twistability of the colored flexible LED strip, if too many resistors 3A are arranged on the colored flexible LED strip, when the colored flexible LED strip is bent and twisted, the resistors 3A are easily detached, the probability of detachment or detachment is increased, and the detachment of the resistors 3A easily causes the increase of the working voltage of the corresponding light emitting diode arrays, thereby burning the colored flexible LED strip.
Disclosure of Invention
The utility model provides a flexible LED lamp area of polychrome for be provided with too many resistance in solving prior art on the flexible LED lamp area of colour, when the distortion is buckled in the lamp area, the resistance drops easily, and the operating voltage who causes corresponding emitting diode array easily that drops of resistance risees, thereby burns out the technical problem in the flexible LED lamp area of colour.
The technical scheme of the utility model is realized like this:
the utility model aims at providing a flexible LED lamp area of polychrome, including the flexible circuit board the printing has the LED circuit on the flexible circuit board the front welding of flexible circuit board has LED unit and resistance unit, the LED unit with resistance unit series connection, the LED unit includes the emitting diode array of a plurality of different chromatic lights, a plurality of emitting diode array parallel connection.
Preferably, each light emitting diode array comprises a number of light emitting diodes connected in series.
Preferably, the resistance unit includes at least one first resistance.
Preferably, the LED module further comprises a cladding layer extending along the length direction of the flexible circuit board and cladding the flexible circuit board, the LED unit and the resistor unit.
Preferably, the LED unit includes a blue light emitting diode array and a green light emitting diode array.
Preferably, the LED unit includes a red light emitting diode array, a blue light emitting diode array, and a green light emitting diode array, and the red light emitting diode array is connected in series with at least one second resistor.
Compared with the prior art, the utility model, the beneficial effects reside in that:
by the scheme, the resistors are pulled out from the branches of the LED circuits and then are arranged on the trunk of the LED circuits, so that the using number of the resistors on the colored flexible LED lamp strip can be effectively reduced, the resistance desoldering probability is reduced when the colored flexible LED lamp strip is bent and twisted, the resistors cannot be easily desoldered to cause the resistors to fall off, the working voltage of each light emitting diode array becomes stable, the colored flexible LED lamp strip is better protected, and the service life of the colored flexible LED lamp strip can be effectively prolonged; in addition, the resistor is designed on the trunk of the LED circuit, the difficulty of the welding process of the resistor can be reduced, the production efficiency of the colored flexible LED lamp strip can be effectively improved, and the rejection rate and the production cost of the colored flexible LED lamp strip can be effectively reduced.
Drawings
Fig. 1 is a schematic perspective view of a flexible LED strip provided in the prior art;
fig. 2 is a schematic diagram of a circuit structure of a flexible LED strip provided in the prior art (each LED array is connected in series with a resistor);
fig. 3 is a schematic circuit structure diagram of a flexible LED strip provided in the prior art (each LED array is connected in series with a plurality of resistors);
fig. 4 is a schematic perspective view of a three-dimensional structure of a flexible LED strip according to a first embodiment of the present invention;
fig. 5 is a schematic circuit structure diagram of the flexible LED strip provided in fig. 4;
fig. 6 is a schematic perspective view of a three-dimensional structure of a flexible LED strip provided in the second embodiment of the present invention;
fig. 7 is a schematic circuit structure diagram of the flexible LED strip provided in fig. 6;
fig. 8 is the utility model provides a third circuit structure schematic diagram who provides in flexible LED lamp area.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 4 and 5, the present embodiment provides a multi-color flexible LED strip, which includes a flexible circuit board 1 and a coating layer 4, an LED circuit is printed on the flexible circuit board 1, an LED unit 2 and a resistor unit 3 are welded on a front surface of the flexible circuit board 1, the LED unit 2 is connected in series with the resistor unit 3, the LED unit 2 includes a plurality of light emitting diode arrays with different color lights, and the plurality of light emitting diode arrays are connected in parallel; the coating layer 4 extends along the length direction of the flexible circuit board to coat the flexible circuit board, the LED unit 2 and the resistor unit 3; each light emitting diode array comprises a plurality of light emitting diodes which are connected in series; the resistance unit 3 comprises at least one first resistance.
By the scheme, the resistors are pulled out from the branches of the LED circuits and then are arranged on the trunk of the LED circuits, so that the using number of the resistors on the colored flexible LED lamp strip can be effectively reduced, the resistors cannot be easily welded off to cause the falling of the resistors when the colored flexible LED lamp strip is bent and twisted, the working voltage of each LED array is stabilized, the colored flexible LED lamp strip is better protected, and the service life of the colored flexible LED lamp strip can be effectively prolonged; in addition, the resistance is designed on the trunk of the LED circuit, the difficulty of the resistance welding process can be reduced, the production efficiency of the colored flexible LED lamp strip can be effectively improved, the rejection rate and the production cost of the colored flexible LED lamp strip can be effectively reduced, and the working voltage of each light emitting diode array can be quickly adjusted through the selection of the resistance value of the resistance on the trunk, so that the design of the lamp strip circuit is more convenient.
Specifically, the LED unit 2 includes a blue LED array 21A and a green LED array 21B, so that the color system of the flexible LED strip becomes rich, the blue LED array 21A includes a plurality of blue LEDs 211A connected in series, and the green LED array 21B includes a plurality of green LEDs 211B connected in series.
Example two:
as shown in fig. 6 and 7, in the present embodiment, the color system of the LED unit 2 is improved and supplemented on the basis of the first embodiment, in the present embodiment, the LED unit 2 includes a red light emitting diode array 21C, a blue light emitting diode array 21A and a green light emitting diode array 21B, so that the color flexible LED strip can become a three-primary color flexible LED strip, and the color system of the flexible LED strip can be further enriched.
At least one second resistor 5 is connected in series with the red light emitting diode array 21C, the red light emitting diode array 21C comprises a plurality of red light emitting diodes 211B which are connected in series, and since the working voltage of the red light emitting diode array 21C is lower than the working voltages of the blue light emitting diode array 21A and the green light emitting diode array 21B, the working voltage of the red light emitting diode array 21C can be effectively reduced by connecting the second resistor 5 in series with the red light emitting diode array 21C, so that the red light emitting diode array 21C can normally work, and the circuit is reasonable in design.
Example three:
in this embodiment, one more color light is provided on the basis of the first embodiment or the second embodiment, as shown in fig. 8, specifically, in this embodiment, the multi-color flexible LED strip is further provided with a yellow light emitting diode array 21D, the yellow light emitting diode array 21D is connected in series with at least one third resistor 6, the yellow light emitting diode array 21D includes a plurality of yellow light emitting diodes 211D connected in series, and since the operating voltage of the yellow light emitting diode array 21D is lower than the operating voltages of the blue light emitting diode array 21A and the green light emitting diode array 21B, the operating voltage of the yellow light emitting diode array 21D can be effectively reduced by connecting the third resistor 6 in series with the yellow light emitting diode array 21D, so that the yellow light emitting diode array 21D can normally operate, and the circuit is reasonably designed.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a flexible LED lamp area of polychrome, includes flexible circuit board (1) it has LED circuit, its characterized in that to print on flexible circuit board (1): the LED flexible light-emitting diode is characterized in that an LED unit (2) and a resistor unit (3) are welded on the front face of the flexible circuit board (1), the LED unit (2) is connected with the resistor unit (3) in series, the LED unit (2) comprises a plurality of light-emitting diode arrays of different color lights, and the light-emitting diode arrays are connected in parallel.
2. A multi-color flexible LED strip according to claim 1, wherein: each light emitting diode array comprises a number of light emitting diodes connected in series.
3. A multi-color flexible LED strip according to claim 1, wherein: the resistance unit (3) comprises at least one first resistance.
4. A multi-color flexible LED strip according to claim 1, 2 or 3, wherein: the LED module further comprises a coating layer (4), wherein the coating layer (4) extends along the length direction of the flexible circuit board and coats the flexible circuit board, the LED unit (2) and the resistor unit (3).
5. A multi-color flexible LED strip according to claim 4, wherein: the LED unit (2) comprises a blue light emitting diode array (21A) and a green light emitting diode array (21B).
6. A multi-color flexible LED strip according to claim 4, wherein: the LED unit (2) comprises a red light emitting diode array (21C), a blue light emitting diode array (21A) and a green light emitting diode array (21B), and the red light emitting diode array (21C) is connected with at least one second resistor (5) in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375800.3U CN214890630U (en) | 2021-06-21 | 2021-06-21 | Multi-color flexible LED lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375800.3U CN214890630U (en) | 2021-06-21 | 2021-06-21 | Multi-color flexible LED lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214890630U true CN214890630U (en) | 2021-11-26 |
Family
ID=78931688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121375800.3U Active CN214890630U (en) | 2021-06-21 | 2021-06-21 | Multi-color flexible LED lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214890630U (en) |
-
2021
- 2021-06-21 CN CN202121375800.3U patent/CN214890630U/en active Active
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