CN212456396U - LED lamp strip - Google Patents
LED lamp strip Download PDFInfo
- Publication number
- CN212456396U CN212456396U CN202021836063.8U CN202021836063U CN212456396U CN 212456396 U CN212456396 U CN 212456396U CN 202021836063 U CN202021836063 U CN 202021836063U CN 212456396 U CN212456396 U CN 212456396U
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- circuit board
- flexible circuit
- lead
- welding
- flat
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Abstract
The utility model discloses a LED lamp belt, which comprises a wire array, wherein the wire array comprises two or more flat wires which are arranged side by side at intervals; the flexible circuit board comprises more than two flexible circuit board units, wherein the flexible circuit board units are arranged along the length direction of a lead array, an LED element is welded on the front surface of each flexible circuit board unit, the back surface of each flexible circuit board unit faces the lead array and is in surface contact with a flat lead forming the lead array, positive and negative welding spots are arranged at the end parts of the flexible circuit board units, gaps are reserved between adjacent flexible circuit board units, and the surfaces of the flat leads, which are in contact with the flexible circuit board units, correspond to the gap positions to form welding areas; the positive electrode welding point and the negative electrode welding point are welded and fixed on the welding area corresponding to the flat lead through the soldering tin blocks and are electrically connected with the flat lead, wherein the soldering tin blocks in the same welding area are integrated. Make the utility model discloses only with one welding process just can weld positive negative pole solder joint or positive negative pole solder joint of adjacent flexible line way board unit tip on same welding area with the soldering tin piece, simplified welding process, improved welding efficiency.
Description
Technical Field
The utility model relates to a LED lamp area.
Background
The existing flexible LED lamp strip comprises a strip-shaped lead array, a flexible circuit board and a light-transmitting coating layer, wherein the coating layer extends along the length direction of the lamp strip to coat the lead array and the flexible circuit board; the lead array comprises two or more flat leads arranged side by side at intervals, each flat lead extends along the length direction of the lead array, and the flat leads are fixed on the insulating film at intervals side by side; the flexible circuit board comprises a plurality of flexible circuit board units arranged at intervals, the flexible circuit board units are arranged along the length direction of the lead array, gaps are formed between every two adjacent flexible circuit board units, each flexible circuit board unit is welded with an LED element on the front surface of the flexible circuit board unit, the back surface of each flexible circuit board unit faces the lead array, each flexible circuit board unit is provided with at least one alignment and negative electrode welding spot, an insulating film is arranged between the flexible circuit board and the lead array, the insulating film is in surface contact with each flat lead, the insulating film comprises more than two strip-shaped film units, the strip-shaped film units are distributed at intervals along the length direction of the lead array, the gap regions of the flat leads between the adjacent strip-shaped film units are exposed to form flat lead connecting regions, and the positive electrode welding spots and the negative electrode. In the flexible LED lamp strip with the structure, each flexible circuit board, the lead array and the coating layer cannot generate wrinkles, and the flexible circuit board and the lead array cannot generate relative wrinkles or relative desoldering due to continuous bending and stretching of the lamp strip; when the LED lamp strip is used, a user can cut off the LED lamp strip along a gap between the two flexible circuit board units according to the required length of the LED lamp strip, and the positive electrode welding spot and the negative electrode welding spot are used for being electrically connected with the lead array and also used for electrically connecting the flexible LED lamp strip with an external electric device. However, in the LED strip with such a structure, the flat wires in the gap area are relatively thin, the flat wires in the gap area are easily broken due to the twisting or bending of the strip, the flat wires in the positive and negative electrode welding points and the flat wire welding area at the end of each flexible circuit board unit are easily broken or detached due to the twisting or bending of the strip, and the connection between the positive and negative electrode welding points and the external electrical device is troublesome and unstable, so improvements are needed. In addition, the positive electrode pad or the negative electrode pad at the end of each flexible printed circuit board unit is individually soldered to the flat wire, which leads to the aforementioned problems and also leads to low soldering efficiency.
Disclosure of Invention
The utility model provides a LED lamp area for improve the welding efficiency of anodal solder joint of LED lamp area flexible circuit board unit or negative pole solder joint.
The technical scheme of the utility model is realized like this:
the utility model provides a pair of LED lamp area, a serial communication port, include: the wire array comprises two or more flat wires which are arranged side by side at intervals; the flexible circuit board comprises more than two flexible circuit board units, wherein the flexible circuit board units are arranged along the length direction of a lead array, an LED element is welded on the front surface of each flexible circuit board unit, the back surface of each flexible circuit board unit faces the lead array and is in surface contact with a flat lead forming the lead array, positive and negative welding spots are arranged at the end parts of the flexible circuit board units, gaps are reserved between adjacent flexible circuit board units, and the surfaces of the flat leads, which are in contact with the flexible circuit board units, correspond to the gap positions to form welding areas; the positive electrode welding point and the negative electrode welding point are respectively fixed on the welding area of the corresponding flat lead by welding through a soldering tin block and are electrically connected with the flat lead, wherein the soldering tin blocks in the same welding area are integrated.
The LED lamp strip is characterized in that: the positive electrode welding spot and the negative electrode welding spot are arranged at two end parts of the flexible circuit board unit.
The LED lamp strip is characterized in that: the light-transmitting coating layer extends along the length direction of the lead array and coats the lead array and the flexible circuit board unit.
Compared with the prior art, the utility model, there is following advantage:
1. in the LED lamp strip, the end parts of the flexible circuit board units are provided with the positive welding spots and the negative welding spots, and the end part of each flexible circuit board unit is provided with the positive welding spot and the negative welding spot; each just, the negative pole solder joint forms the electricity through the soldering tin piece welding respectively on the welding area of wire array and with the wire array and is connected, make the utility model discloses only with one welding process just can weld positive negative pole solder joint or positive negative pole solder joint of adjacent flexible line way board unit tip on same welding area with the soldering tin piece, welding process has been simplified, welding efficiency has been improved, the soldering tin piece not only can strengthen the connection between the flat wire of flexible line way board unit and wire array, still can play fine reinforcement effect to the flat wire of wire array, make the flat wire of welding area no longer seem relatively single thin, therefore difficult rupture or the desolder of buckling or because of the distortion in LED lamp area, make the difficult rupture in LED lamp area.
2. Other advantages of the present invention will be described in detail in the examples section.
Drawings
Fig. 1 is a perspective view of an LED lamp strip provided in a first embodiment of the present invention;
fig. 2 is a plan view of an LED strip according to an embodiment;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a perspective view of an LED strip without solder bumps according to an embodiment;
fig. 6 is an exploded perspective view of an LED strip without solder bumps according to an embodiment;
fig. 7 is a schematic structural diagram of a wire array of an LED strip provided in the second embodiment.
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. 1 to 4, this embodiment provides a LED strip, and fig. 5 and 6 illustrate a state where solder bumps are not soldered.
This embodiment provides a LED lamp area, includes: an elongated lead array 1, the lead array 1 including two or more flat leads 11 (preferably, two flat leads in this embodiment) arranged side by side at intervals, each flat lead 11 extending along the length direction of the lead array 1, a fixing film 12 fixed on the same surface of each flat lead 11, the fixing film 12 being made of an insulating material, the fixing film 12 being in surface contact with each flat lead 11; more than two flexible circuit board units 2 (only two flexible circuit board units are shown in the figure) are arranged along the length direction of the lead array 1, wherein each flexible circuit board unit 2 is welded with an LED element 21 on the front surface thereof, the back surface of each flexible circuit board unit 21 faces the lead array 1, the back surface of each flexible circuit board unit faces the lead array and is in surface contact with the flat lead 11 forming the lead array, positive electrode welding spots 22 and negative electrode welding spots 24 are arranged at two end parts of each flexible circuit board unit, a gap 23 is reserved between adjacent flexible circuit board units, and the gap enables the contact surface of the flat lead and the flexible circuit board unit to correspond to the gap position to form a welding area 111; the positive electrode pad 22 and the negative electrode pad 24 are respectively fixed on the soldering area 111 corresponding to the flat wire by soldering the solder blocks 3 and electrically connected with the flat wire, wherein the solder blocks located in the same soldering area are integrated, and the solder blocks 3 preferably cover the whole soldering area 111 in the present embodiment. The lead array 1 has simple structure and low production cost.
In the LED lamp strip of the present embodiment, the positive and negative pads or the positive and negative pads at the end portions of the adjacent flexible circuit board units can be soldered on the same soldering area by using the solder bumps through one soldering process, which simplifies the soldering process and improves the soldering efficiency, in addition, the solder bumps 3 not only can enhance the connection between the flexible circuit board units 2 and the wire array 1, but also can perform a good reinforcing function on the flat wires 11 in the soldering area 111 of the wire array 1, so that the flat wires 11 in the soldering area 111 do not appear to be relatively thin, and therefore, the LED lamp strip is not easily broken or detached due to the distortion or bending of the LED lamp strip.
Example two:
as one of the preferred embodiments, as shown in fig. 7, a light-transmitting coating layer 4 is coated on the periphery of the LED strip, specifically, the coating layer 4 extends along the length direction of the wire array 1, and coats the wire array 1 and the flexible circuit board unit 2. The cover layer 4 can protect the lead array 1 and the flexible wiring board unit 2 better.
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 (3)
1. A LED strip, comprising:
the wire array comprises two or more flat wires which are arranged side by side at intervals;
the flexible circuit board comprises more than two flexible circuit board units, wherein the flexible circuit board units are arranged along the length direction of a lead array, an LED element is welded on the front surface of each flexible circuit board unit, the back surface of each flexible circuit board unit faces the lead array and is in surface contact with a flat lead forming the lead array, positive and negative welding spots are arranged at the end parts of the flexible circuit board units, gaps are reserved between adjacent flexible circuit board units, and the surfaces of the flat leads, which are in contact with the flexible circuit board units, correspond to the gap positions to form welding areas;
the positive electrode welding point and the negative electrode welding point are welded and fixed on the welding area corresponding to the flat lead through the soldering tin blocks and are electrically connected with the flat lead, wherein the soldering tin blocks in the same welding area are integrated.
2. A LED strip according to claim 1, wherein: the positive electrode welding spot and the negative electrode welding spot are arranged at two end parts of the flexible circuit board unit.
3. A LED strip according to claim 1 or 2, wherein: the light-transmitting coating layer extends along the length direction of the lead array and coats the lead array and the flexible circuit board unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021836063.8U CN212456396U (en) | 2020-08-28 | 2020-08-28 | LED lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021836063.8U CN212456396U (en) | 2020-08-28 | 2020-08-28 | LED lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212456396U true CN212456396U (en) | 2021-02-02 |
Family
ID=74474407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021836063.8U Active CN212456396U (en) | 2020-08-28 | 2020-08-28 | LED lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212456396U (en) |
-
2020
- 2020-08-28 CN CN202021836063.8U patent/CN212456396U/en active Active
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