CN216556638U - Two-line multicolor S-shaped LED lamp strip - Google Patents
Two-line multicolor S-shaped LED lamp strip Download PDFInfo
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- CN216556638U CN216556638U CN202123370203.4U CN202123370203U CN216556638U CN 216556638 U CN216556638 U CN 216556638U CN 202123370203 U CN202123370203 U CN 202123370203U CN 216556638 U CN216556638 U CN 216556638U
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Abstract
The utility model provides a two-wire multicolor S-shaped LED lamp strip which comprises a plurality of lamp strip units connected in parallel, wherein each lamp strip unit comprises a flexible circuit board, an LED patch, a current-limiting resistor and two groups of connecting bonding pads, each connecting bonding pad comprises an anode bonding pad and a cathode bonding pad, and the current-limiting resistor is connected with the LED patch in series. The LED patch in each lamp strip unit is one of a red LED patch, a green LED patch, a blue LED patch, a yellow LED patch, an orange LED patch or a purple LED patch, and the resistance value of the current-limiting resistor in each lamp strip unit is matched with the parameters of the LED patches. The lamp strip adopts the flexible circuit board, the lamp strip can be randomly bent into different modeling patterns, and the lamp strip units with different light-emitting colors can be randomly combined, so that the application requirements in a multi-color light-emitting scene can be met; adopt two line drive methods, the whole small in lamp area, the wiring is simple, has reduced the installation degree of difficulty in lamp area, helps improving the installation effectiveness, saves the cost.
Description
Technical Field
The utility model relates to the technical field of LED lamp belts, in particular to a two-line multicolor S-shaped LED lamp belt.
Background
An LED (light emitting diode) is a solid semiconductor device, can directly convert electric energy into visible light, has the advantages of small volume, energy conservation, environmental protection and long service life, is a new generation of green light source, and has been widely used in various places such as business, home, office and entertainment.
The S-shaped LED lamp strip can be bent, folded and wound at will without breaking due to the adoption of the flexible FPC substrate, does not occupy space, is widely applied to various advertisement modeling scenes, and can be cut and bent by a user according to actual needs to be spliced into different pattern models. However, in some scenes, the lamp strip is required to emit light with multiple colors, and the existing S-shaped LED lamp strip generally emits light in a single color, has a single function, and cannot meet the use requirements. Simultaneously, the RGB lamp area that has polychrome luminous function generally need adopt the four-wire drive, and RGB lamp area whole volume is great, is not convenient for buckle at will, and need correspond the four-wire when lamp area is connected with the power and connect, and the operation is comparatively loaded down with trivial details, and is higher to operating personnel's requirement.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a two-wire multicolor S-shaped LED lamp strip which can be randomly bent and modeled, is driven by two wires, and can be randomly combined in various colors, so that the use requirements of different scenes are met.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a two-wire multicolor S-shaped LED lamp strip comprises a plurality of lamp strip units connected in parallel, wherein each lamp strip unit comprises a flexible circuit board, an LED patch, a current-limiting resistor and two groups of connecting bonding pads, the two groups of connecting bonding pads are respectively arranged at two ends of the front surface of the flexible circuit board, each group of connecting bonding pads comprises an anode bonding pad and a cathode bonding pad, and the anode bonding pad and the cathode bonding pad are arranged side by side; the LED patch and the current-limiting resistor are arranged on the front surface of the flexible circuit board, and the current-limiting resistor is connected with the LED patch in series.
The LED patch in each lamp strip unit is one of LED patches with multiple light-emitting colors, and the resistance value of the current-limiting resistor in each lamp strip unit is matched with the parameters of the corresponding LED patch.
Preferably, the two-wire multicolor S-shaped LED strip further includes a driving controller, a connecting seat, an anode connecting wire and a cathode connecting wire, the connecting seat is disposed at an end of the first segment of the strip unit, one end of the anode connecting wire is connected to the driving controller, and the other end of the anode connecting wire extends into the connecting seat and is electrically connected to the anode bonding pad of the first segment of the strip unit; one end of the negative connecting wire is connected with the driving controller, and the other end of the negative connecting wire extends into the connecting seat and is electrically connected with the negative bonding pad of the first segment of the lamp strip unit.
Preferably, the driving controller is provided with a power supply module, an input module, a control module and a driving module, the power supply module, the input module and the driving module are respectively and electrically connected with the control module, and the driving module is also electrically connected with the positive connecting wire and the negative connecting wire; the power supply module is used for providing power for the two-wire multicolor S-shaped LED lamp strip; the input module is used for a user to execute opening/closing operation; the control module is used for controlling the working state of the driving module according to the action of the input module, and the driving module is used for driving the plurality of lamp strip units to emit light or extinguish according to the control of the control module.
Preferably, in every lamp area unit, flexible circuit board has relative first side and second side, first side is equipped with a plurality of first concave yield breach, the second side is equipped with a plurality of second concave yield breach, first concave yield breach with second concave yield breach staggers each other, just first concave yield breach second concave yield breach still with connect the pad installation department the LED paster installation department the current-limiting resistor installation department staggers.
Preferably, the junction of the first concave notch and the first side edge is arc-shaped, and the junction of the second concave notch and the second side edge is arc-shaped.
Preferably, the lamp strip unit further comprises a packaging adhesive layer, the packaging adhesive layer is arranged outside the flexible circuit board, the LED patches and the current-limiting resistor, and the outlines of two sides of the packaging adhesive layer are matched with the outlines of two sides of the flexible circuit board.
Preferably, the lamp strip unit further comprises a back adhesive layer, and the back adhesive layer is arranged on the back surface of the flexible circuit board.
Preferably, in each lamp strip unit, the front surface of the flexible circuit board is provided with an LED pad, the LED pad is electrically connected with the positive pad and the negative pad at two ends through a wire, the LED pad is printed with solder paste, and the LED patches are correspondingly attached to the LED pad.
Preferably, the positive electrode bonding pad of each lamp strip unit is welded with the positive electrode bonding pad of the adjacent lamp strip unit, and the negative electrode bonding pad of each lamp strip unit is welded with the negative electrode bonding pad of the adjacent lamp strip unit.
Preferably, in each lamp strip unit, the flexible circuit board is provided with three LED patches and a current-limiting resistor, the three LED patches have the same light-emitting color, the three LED patches are connected in series with the current-limiting resistor, and the resistance value of the current-limiting resistor is matched with the parameters of the three LED patches.
Compared with the prior art, the utility model has the beneficial effects that: in the two-wire multicolor S-shaped LED lamp strip, the flexible circuit board is adopted, the lamp strip can be randomly bent into different modeling patterns, and lamp strip units with different light-emitting colors can be randomly combined, so that the application requirements in a multicolor light-emitting scene can be met; by adopting a two-wire driving mode, the lamp strip is small in overall size and simple in wiring, the mounting difficulty of the lamp strip is reduced, the mounting efficiency is improved, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a two-wire multicolor S-shaped LED strip according to the present invention;
fig. 2 is a modular connection diagram of a two-wire, multi-color S-shaped LED strip of the present invention;
fig. 3 is an enlarged structural view of the lamp strip unit in fig. 1;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;
FIG. 5 is an electrical connection diagram of a plurality of light strip units;
fig. 6 is an electrical connection diagram of the light strip unit in an embodiment of the utility model.
In the figure, 100-a lamp strip, 10-a lamp strip unit, 11-a flexible circuit board, 111-a first side edge, 112-a second side edge, 113-a first concave notch, 114-a second concave notch, 115-an LED pad, 12-an LED patch, 13-a current-limiting resistor, 14-a connection pad, 141-an anode pad, 142-a cathode pad, 15-an encapsulation adhesive layer, 16-an adhesive backing layer, 20-a driving controller, 21-a power supply module, 22-an input module, 23-a control module, 24-a driving module, 30-a connecting seat, 40-an anode connecting wire and 50-a cathode connecting wire.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 5 in combination, fig. 1 is a schematic structural view of a two-wire multi-color S-shaped LED strip according to the present invention; fig. 2 is a modular connection diagram of a two-wire, multi-color S-shaped LED strip of the present invention; fig. 3 is an enlarged structural view of the lamp strip unit in fig. 1; FIG. 4 is a cross-sectional view taken along A-A of FIG. 3; fig. 5 is an electrical connection diagram of a plurality of lamp strip units.
The two-wire multi-color S-shaped LED lamp strip 100 comprises a plurality of lamp strip units 10 connected in parallel, wherein each lamp strip unit 10 comprises a flexible circuit board 11, an LED patch 12, a current-limiting resistor 13 and two groups of connecting bonding pads 14, the two groups of connecting bonding pads 14 are respectively arranged at two ends of the front surface of the flexible circuit board 11, each group of connecting bonding pads 14 comprises an anode bonding pad 141 and a cathode bonding pad 142, and the anode bonding pad 141 and the cathode bonding pad 142 are arranged in parallel. The flexible circuit board is adopted, and the connected lamp strip 100 can be bent at will, so that the application requirements of different modeling scenes can be met.
Referring to fig. 1, the anode pad 141 of each light strip unit 10 is welded to the anode pad 141 of the adjacent light strip unit 10, and the cathode pad 142 of each light strip unit 10 is welded to the cathode pad 142 of the adjacent light strip unit 10, so as to implement parallel connection of multiple segments of light strip units 10. In the application, can cut at the junction of adjacent lamp area unit 10 according to lamp area in-service use length.
Referring to fig. 3 and 5 in combination, in each light strip unit 10, an LED patch 12 and a current limiting resistor 13 are disposed on the front surface of the flexible circuit board 11, and the current limiting resistor 13 is connected in series with the LED patch 12. The LED patch 12 in each light strip unit 10 is one of LED patches with multiple light emitting colors, and the resistance value of the current limiting resistor 13 in each light strip unit 10 matches the parameter of the corresponding LED patch 12. For the LED lamp, the operating voltage and the operating current corresponding to the LED patches with different colors are different, and the power supply voltage of each strip unit is the same, so that a suitable current-limiting resistor needs to be selected according to the operating voltage and the operating current of the LED patches with different colors. In application, if only one LED patch 12 and one current limiting resistor 13 are provided in each light strip unit 10, the operating voltage of the LED patch 12 is U, the operating current is I, and the power supply voltage of the light strip unit 10 is 12V, the resistance value R = (12-U)/I of the corresponding current limiting resistor 13.
In practical application, the LED patch 12 in each lamp strip unit 10 is one of a red LED patch, a green LED patch, a blue LED patch, a yellow LED patch, an orange LED patch, or a purple LED patch, the resistance value of the current-limiting resistor 13 in each lamp strip unit 10 is calculated according to the operating voltage and the operating current parameters of the LED patch 12, and a user can arrange and combine the lamp strip units 10 with different light-emitting colors according to actual needs.
Referring to fig. 4, in each light strip unit 10, the front surface of the flexible circuit board 11 is provided with an LED pad 115, the LED pad 115 is electrically connected to the positive pad 141 and the negative pad 142 at two ends through a wire, the LED pad 115 is printed with solder paste, and the LED patches 12 are correspondingly attached to the LED pad 115. Similarly, the front surface of the flexible circuit board 11 is further provided with a resistance pad (not shown), the resistance pad is electrically connected to the LED pad 115 and the positive pad 141 and the negative pad 112 at two ends through a wire, and the current limiting resistor 13 is soldered on the resistance pad.
Referring to fig. 1 and fig. 2 in combination, in a preferred embodiment of the present invention, the two-wire multicolor S-shaped LED strip 100 further includes a driving controller 20, a connecting socket 30, a positive connecting wire 40 and a negative connecting wire 50, the connecting socket 30 is disposed at an end of the first segment of the strip unit 10, one end of the positive connecting wire 40 is connected to the driving controller 20, and the other end of the positive connecting wire 40 extends into the connecting socket 30 and is electrically connected to the positive bonding pad 141 of the first segment of the strip unit 10; one end of the negative connection wire 50 is connected to the driving controller 20, and the other end thereof extends into the connection socket 30 and is electrically connected to the negative pad 142 of the first segment of the light strip unit 10.
Specifically, the driving controller 20 is provided with a power supply module 21, an input module 22, a control module 23 and a driving module 24, the power supply module 21, the input module 22 and the driving module 24 are respectively electrically connected with the control module 23, and the driving module 24 is further electrically connected with the positive connecting wire 40 and the negative connecting wire 50; the power supply module 21 is configured to provide power to the two-wire multicolor S-shaped LED strip 100; the input module 22 is used for a user to perform on/off operation; the control module 23 is configured to control a working state of the driving module 24 according to an action of the input module 22, and the driving module 24 is configured to drive the light strip units 10 to emit light or extinguish according to the control of the control module 23.
In application, the input module 22 adopts key input, the input module 22 has a turn-on and turn-off function, when the lamp strip 100 is turned on, the power supply module 21 provides power for the whole lamp strip 100, the control module 23 controls the driving module 24 to output current to the lamp strip units 10, and the lamp strip units 10 are powered on and emit light; when the lamp is turned off, the control module 23 controls the driving module 24 to turn off the output current, and the lamp strip units 10 are turned off.
In each lamp strip unit 10, the current-limiting resistor 13 plays a role in current-limiting and voltage-dividing, and can ensure that each lamp strip unit 10 works stably. According to the demands of different scenes, the lamp strip units 10 with different luminous colors can be combined at will, and the positive and negative electrode bonding pads of the adjacent lamp strip units are correspondingly connected, so that the application demands in various multicolor luminous scenes can be met.
Referring to fig. 3 and 5 in combination, in an embodiment of the present invention, three LED patches 12 and a current limiting resistor 13 are disposed on the flexible circuit board 11 in each light strip unit 10, light emitting colors of the three LED patches 12 are the same, the three LED patches 12 and the current limiting resistor 13 are connected in series, and a resistance value of the current limiting resistor 13 matches parameters of the three LED patches 12. However, the utility model is not limited thereto, and in other embodiments, the number of the LED patches 12 in each light strip unit 10 may be set reasonably according to actual requirements.
Referring to fig. 6, fig. 6 is an electrical connection diagram of the light strip unit in an embodiment of the utility model. In an embodiment of the present invention, six segments of light strip units connected in parallel are provided, in the first segment of light strip unit, three red LED patches 121 are connected in series with one current-limiting resistor 131, and a resistance value R1 of the current-limiting resistor 131 matches parameters of the red LED patches 121, specifically, if a working voltage of the red LED patches 121 is U1 and a working current is U2, a resistance value R1= (12-3 × U1)/I1 of the current-limiting resistor 131; in the second segment of the lamp strip unit, three green LED patches 122 are connected in series with a current limiting resistor 132, and the resistance value R2 of the current limiting resistor 132 is matched with the parameters of the green LED patches 122; in the third segment of the light strip unit, three blue LED patches 123 are connected in series with a current limiting resistor 133, and a resistance value R3 of the current limiting resistor 133 matches with parameters of the blue LED patches 123; in the fourth segment of the light strip unit, three yellow LED patches 124 are connected in series with a current limiting resistor 134, and the resistance value R4 of the current limiting resistor 134 matches with the parameters of the yellow LED patches 124; in the fifth segment of the lamp strip unit, three orange LED patches 125 are connected in series with a current limiting resistor 135, and the resistance value R5 of the current limiting resistor 135 is matched with the parameters of the orange LED patches 125; in the sixth segment of the light strip unit, three purple LED patches 126 are connected in series with a current limiting resistor 136, and the resistance value R6 of the current limiting resistor 136 is matched with the parameters of the purple LED patches 126. After the power is switched on, the six sections of lamp belt units respectively emit red, green, blue, yellow, orange and purple lights.
Referring to fig. 3, in each light strip unit 10, the flexible circuit board 11 has a first side 111 and a second side 112 opposite to each other, the first side 111 is provided with a plurality of first concave notches 113, the second side 112 is provided with a plurality of second concave notches 114, the first concave notches 113 and the second concave notches 114 are staggered with each other, and the first concave notches 113 and the second concave notches 114 are further staggered with the mounting locations of the connection pads 14, the mounting locations of the LED patches 12, and the mounting locations of the current limiting resistors 13. Preferably, the junction of the first concave notch 113 and the first side 111 is arc-shaped, and the junction of the second concave notch 114 and the second side 112 is arc-shaped. The arrangement of the first recess notch 113 and the second recess notch 114 facilitates the random bending of the light strip.
Referring to fig. 4, in an embodiment of the utility model, the light strip unit 10 further includes a packaging adhesive layer 15, the packaging adhesive layer 15 is disposed outside the flexible circuit board 11, the LED patch 12 and the current limiting resistor 13, a profile of two sides of the packaging adhesive layer 15 matches a profile of two sides of the flexible circuit board 11, one side of the packaging adhesive layer 15 extends along a profile of a first side 111 and a first recessed notch 113 of the flexible circuit board 11, and another side of the packaging adhesive layer 15 extends along a profile of a second side 112 and a second recessed notch 114 of the flexible circuit board 11. Encapsulation glue film 15 plays protection and reinforcing action, can strengthen the waterproof, dustproof performance of lamp area unit 10, can also improve LED paster 12, current-limiting resistor 13 and flexible circuit board 11's firm in connection degree, and the life who drops in avoiding using, extension lamp area 100.
In another embodiment of the present invention, the light strip unit 10 further includes a back adhesive layer 16, and the back adhesive layer 16 is disposed on the back surface of the flexible circuit board 11. In practical application, the gum layer 16 can be made of 3M glue commonly used in the market, so that a user can conveniently stick and fix the lamp strip 100 on a wall and the like, and the use convenience is enhanced.
In actual production, the LED patches 12 may be made of commercially available LED patch products of various colors, and the current limiting resistor 13 may be made of commercially available resistor products according to the type selection condition of the LED patches, and the principle and specific structure of the existing products belong to the prior art and are not described herein again.
In summary, the two-wire multicolor S-shaped LED strip provided by the utility model adopts the flexible circuit board, the strip can be randomly bent into different modeling patterns, and the strip units with different light-emitting colors can be randomly combined, so as to meet the application requirements in a multicolor light-emitting scene; by adopting a two-wire driving mode, the lamp strip is small in overall size and simple in wiring, the mounting difficulty of the lamp strip is reduced, the mounting efficiency is improved, and the cost is saved.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (10)
1. The utility model provides a two line polychrome S type LED lamp areas which characterized in that: the LED lamp strip comprises a plurality of lamp strip units connected in parallel, wherein each lamp strip unit comprises a flexible circuit board, an LED patch, a current-limiting resistor and two groups of connecting bonding pads, the two groups of connecting bonding pads are respectively arranged at two ends of the front side of the flexible circuit board, each group of connecting bonding pads comprises an anode bonding pad and a cathode bonding pad, and the anode bonding pad and the cathode bonding pad are arranged side by side; the LED patch and the current limiting resistor are arranged on the front surface of the flexible circuit board, and the current limiting resistor is connected with the LED patch in series;
the LED patch in each lamp strip unit is one of LED patches with multiple light-emitting colors, and the resistance value of the current-limiting resistor in each lamp strip unit is matched with the parameters of the corresponding LED patch.
2. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: the two-wire multicolor S-shaped LED lamp strip also comprises a driving controller, a connecting seat, an anode connecting wire and a cathode connecting wire, wherein the connecting seat is arranged at the end part of the first segment lamp strip unit; one end of the negative connecting wire is connected with the driving controller, and the other end of the negative connecting wire extends into the connecting seat and is electrically connected with the negative bonding pad of the first segment of the lamp strip unit.
3. A two-wire, multi-color S-shaped LED strip according to claim 2, wherein: the driving controller is provided with a power supply module, an input module, a control module and a driving module, the power supply module, the input module and the driving module are respectively and electrically connected with the control module, and the driving module is also electrically connected with the positive connecting wire and the negative connecting wire; the power supply module is used for providing power for the two-wire multicolor S-shaped LED lamp strip; the input module is used for a user to execute opening/closing operation; the control module is used for controlling the working state of the driving module according to the action of the input module, and the driving module is used for driving the plurality of lamp strip units to emit light or extinguish according to the control of the control module.
4. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: in every lamp area unit, flexible circuit board has relative first side and second side, first side is equipped with a plurality of first concave yield breach, the second side is equipped with a plurality of second concave yield breach, first concave yield breach with second concave yield breach staggers each other, just first concave yield breach second concave yield breach still with connect the pad installation department LED paster installation department the current-limiting resistor installation department staggers.
5. The two-wire, multi-color S-shaped LED strip according to claim 4, wherein: the first concave notch and the joint of the first side edge are arc-shaped, and the second concave notch and the joint of the second side edge are arc-shaped.
6. The two-wire, multi-color S-shaped LED strip according to claim 5, wherein: the lamp strip unit further comprises a packaging adhesive layer, the packaging adhesive layer is arranged outside the flexible circuit board, the LED patches and the current-limiting resistor, and the outlines of two sides of the packaging adhesive layer are matched with the outlines of two sides of the flexible circuit board.
7. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: the lamp strip unit further comprises a back adhesive layer, and the back adhesive layer is arranged on the back face of the flexible circuit board.
8. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: in each lamp belt unit, the front surface of the flexible circuit board is provided with an LED bonding pad, the LED bonding pad is electrically connected with the anode bonding pad and the cathode bonding pad at two ends through wires, the LED bonding pad is printed with solder paste, and the LED patches are correspondingly attached to the LED bonding pad.
9. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: the positive electrode bonding pad of each lamp belt unit is welded with the positive electrode bonding pad of the adjacent lamp belt unit, and the negative electrode bonding pad of each lamp belt unit is welded with the negative electrode bonding pad of the adjacent lamp belt unit.
10. A two-wire, multi-color S-shaped LED strip according to claim 1, wherein: in each lamp belt unit, the flexible circuit board is provided with three LED patches and a current-limiting resistor, the three LED patches have the same light-emitting color, the three LED patches are connected with the current-limiting resistor in series, and the resistance value of the current-limiting resistor is matched with the parameters of the three LED patches.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123370203.4U CN216556638U (en) | 2021-12-30 | 2021-12-30 | Two-line multicolor S-shaped LED lamp strip |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370203.4U CN216556638U (en) | 2021-12-30 | 2021-12-30 | Two-line multicolor S-shaped LED lamp strip |
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| CN216556638U true CN216556638U (en) | 2022-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4296561A1 (en) * | 2022-06-22 | 2023-12-27 | Blueview Elec-Optic Tech Co., Ltd | Led lighting capable of being bent and twisted at will |
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2021
- 2021-12-30 CN CN202123370203.4U patent/CN216556638U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4296561A1 (en) * | 2022-06-22 | 2023-12-27 | Blueview Elec-Optic Tech Co., Ltd | Led lighting capable of being bent and twisted at will |
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