A five-in-one lamp bead and a processing method thereof

Abstract

The present invention discloses a five-in-one lamp bead and a processing method thereof, comprising a substrate, wherein the upper surface of the substrate is provided with a welding mark line, and a lamp bead unit is fixedly welded on the outer surface of the welding mark line, and the lamp bead unit comprises a substrate, a lamp bead and a first blue light chip, and welding grooves are provided at both ends of the lower surface of the substrate, and the lower surface of the first blue light chip is fixedly welded to the left and right sides of the upper surface of the substrate, and lamp beads are provided at both ends of the upper surface of the substrate, and both ends of the lamp bead are fixedly connected with pins, and the outer surfaces of the pins are fixedly welded to the inner surfaces of the welding grooves, and a welding hole is provided at the center of the lower surface of the substrate, and a second blue light chip is fixedly welded on the inner bottom surface of the welding hole, which is conducive to separate welding packaging, avoids slurry volatilization poisoning, is safe and stable, can avoid mutual interference, ensures curing effect and layout uniformity, reduces product errors, and effectively improves production quality and production efficiency.

Description

Technical Field

[0001] The invention relates to the field of lamp beads, and in particular to a five-in-one lamp bead and a processing method thereof. Background Art

[0002] In today's social life, LED lamp beads are widely used. They can be combined by welding red, green and blue lamp beads to display a variety of color patterns for decorative purposes.

[0003] However, the traditional lamp bead structure is not conducive to controlling accuracy during processing and production, which easily leads to large deviations in the lamp beads and uneven quality. Moreover, during packaging, not only can the structural stability not be guaranteed, but it is also easy to cause the packaging slurry to volatilize and cause poisoning reactions, resulting in poor safety. Therefore, a new processing method and structure are needed. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a five-in-one lamp bead and a processing method thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A five-in-one lamp bead and a processing method thereof, comprising a substrate, wherein the upper surface of the substrate is provided with a welding mark line, the outer surface of the welding mark line is fixedly welded with a lamp bead unit, the lamp bead unit comprises a substrate, a lamp bead and a first blue light chip, welding grooves are provided at both ends of the lower surface of the substrate, the lower surface of the first blue light chip is fixedly welded to the left and right sides of the upper surface of the substrate, lamp beads are provided at both ends of the upper surface of the substrate, both end heads of the lamp bead are fixedly connected with pins, the outer surfaces of the pins are fixedly welded to the inner surfaces of the welding grooves, a welding hole is provided at the center of the lower surface of the substrate, and a second blue light chip is fixedly welded to the inner bottom surface of the welding hole.

[0007] Preferably, the first blue light chips are arranged in two groups symmetrically, emitting light of one of the two groups of white and yellow and yellow and white, with a color temperature of 1000-10000K and a power of 0.01-1W.

[0008] Preferably, the second blue light chip emits red, green and blue light colors simultaneously, and the power is 0-0.5W. A baffle is provided in the middle of the contact point between the second blue light chip and the first blue light chip, and the height of the baffle is consistent with the height of the second blue light chip and the first blue light chip, which can effectively prevent mutual interference.

[0009] Preferably, there are five lamp beads and five pins, which are evenly distributed on the upper surface of the substrate at equal intervals.

[0010] Preferably, the lamp bead units are uniformly welded to the upper surface of the substrate at equal intervals, and the lateral spacing at the center position is 9 mm to 10 mm, and the longitudinal spacing is 6 mm to 7 mm.

[0011] Preferably, the length of the substrate is 144 mm, the width is 60 mm, and the tolerance is ±0.1 mm.

[0012] Preferably, the processing method comprises the following steps:

[0013] P1. Cut welding marking lines on the upper end of the substrate to mark the welding position;

[0014] P2. Cut a welding groove at the bottom of the substrate to ensure that the position corresponds to the welding mark position and is symmetrically distributed;

[0015] P3. Attach the lamp bead to the upper end of the substrate, and introduce the pin into the welding groove at the lower end, attach the second blue light chip to the welding hole, use silver paste to weld the pin and the second blue light chip, and solidify;

[0016] P4, attach the first blue light chip to the upper end of the substrate, apply glue on the upper end for welding;

[0017] P5. After the welding is completed, the substrate is placed in a reflow oven for reflow curing;

[0018] P6. Use laser cutting equipment to cut the substrate along the gap position of the lamp bead unit to obtain the lamp bead unit, and then test, sort and package it to obtain the five-in-one lamp bead.

[0019] Preferably, the depth of the welding marking cut in step P1 is no more than one third of the thickness of the substrate, and the width is no more than 0.5 mm.

[0020] Preferably, the P3 step further comprises detecting through CCD vision whether the offset error of each lamp bead exceeds a preset value, and if so, adjusting the lamp bead.

[0021] Preferably, during the reflux in step P5, the reflux temperature is set to 220 degrees Celsius to 260 degrees Celsius, and the reflux time is set to 5 minutes to 8 minutes.

[0022] A five-in-one lamp bead and a processing method thereof provided by the present invention are facilitated to separate the welding package by welding the pins of the five lamp beads to the lower side of the substrate, thereby avoiding poisoning by slurry volatilization, and being safe and stable. At the same time, by laminating the first blue light chip and the second blue light chip on both sides, mutual interference can be avoided, thereby improving the use stability of the lamp bead. In addition, the packaging production process is easy to control, which is conducive to operation, ensures the curing effect and layout uniformity, reduces product errors, and effectively improves production quality and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the substrate structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the upper surface structure of the lamp bead unit of the present invention;

[0025] Figure 3 For the present invention Figure 1 A schematic diagram of the side structure of

[0026] Figure 4 It is a schematic diagram of the lower surface structure of the lamp bead unit of the present invention;

[0027] Figure 5 For the present invention Figure 4 Schematic diagram of the side structure.

[0028] In the figure: 1 substrate, 11 welding marking line, 12 lamp bead unit, 2 base plate, 21 welding groove, 22 first blue light chip, 23 lamp bead, 24 pin, 25 welding hole, 26 second blue light chip. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] A five-in-one lamp bead and a processing method thereof, comprising a substrate 1, wherein a welding mark 11 is provided on the upper surface of the substrate 1, and the welding position can be pre-marked by the welding mark, so that the lamp bead 23 can be aligned during welding, and the position can be accurately adjusted to avoid unevenness after cutting, thereby ensuring product quality. A lamp bead unit 12 is fixedly welded on the outer surface of the welding mark 11, and the lamp bead unit 12 includes a substrate 2, a lamp bead 23 and a first blue light chip 22. Both ends of the lower surface of the substrate 2 are provided with welding grooves 21, and by fixing and welding a pin 24 to the inside of the welding groove 21, the upper end and the lower end can be separated, which is convenient for separate welding and fixing, and avoids volatilization poisoning, and at the same time The welding contact area can also be increased to ensure the curing stability. At the same time, the first blue light chip 22 and the second blue light chip 26 are isolated to avoid mutual interference and improve the stability of use. The lower surface of the first blue light chip 22 is fixedly welded to the left and right sides of the upper surface of the substrate 2. Lamp beads 23 are provided at both ends of the upper surface of the substrate 2. Both ends of the lamp beads 23 are fixedly connected with pins 24. The outer surface of the pin 24 is fixedly welded to the inner surface of the welding groove 21. A welding hole 25 is provided at the center of the lower surface of the substrate 2. The inner bottom surface of the welding hole 25 is fixedly welded with the second blue light chip 26, which can excite the fluorescent powder to emit light. This belongs to the prior art and will not be repeated here.

[0031] The first blue light chips 22 are symmetrically arranged in two groups, emitting one of the two groups of light colors: white and yellow and yellow and white, with a color temperature of 1000-10000K and a power of 0.01-1W.

[0032] The second blue light chip 26 emits red, green and blue light at the same time, and the power is 0-0.5W. A baffle is arranged in the middle of the contact point between the second blue light chip 26 and the first blue light chip 22, and the height of the baffle is consistent with the height of the second blue light chip 26 and the first blue light chip 22, which can effectively prevent mutual interference.

[0033] There are five lamp beads 23 and pins 24, which are evenly distributed on the upper surface of the substrate 2 at equal intervals. The five lamp beads 23 are evenly welded and connected in series on both sides through the pins 24. The species colors can be combined into one lamp bead unit 12 to improve the use effect.

[0034] The lamp bead units 12 are evenly welded to the upper surface of the substrate 1 at equal intervals, and the lateral spacing at the center position is 9 mm to 10 mm, and the longitudinal spacing is 6 mm to 7 mm. They are arranged at equal intervals to ensure uniformity, facilitate precise cutting, and improve the quality of the lamp bead units.

[0035] The length of the substrate 1 is 144 mm, the width is 60 mm, and the tolerance is ±0.1 mm. Reasonable setting of the size of the substrate 1 is convenient for arranging the lamp bead unit 12 and for switching the positions, thereby effectively improving production efficiency.

[0036] The processing method comprises the following steps:

[0037] P1. Cut welding marking lines on the upper end of the substrate to mark the welding position;

[0038] P2. Cut a welding groove at the bottom of the substrate to ensure that the position corresponds to the welding mark position and is symmetrically distributed;

[0039] P3. Attach the lamp bead to the upper end of the substrate, and introduce the pin into the welding groove at the lower end, attach the second blue light chip to the welding hole, use silver paste to weld the pin and the second blue light chip, and solidify;

[0040] P4, attach the first blue light chip to the upper end of the substrate, apply glue on the upper end for welding;

[0041] P5. After the welding is completed, the substrate is placed in a reflow oven for reflow curing;

[0042] P6. Use laser cutting equipment to cut the substrate along the gap position of the lamp bead unit to obtain the lamp bead unit, and then test, sort and package it to obtain the five-in-one lamp bead.

[0043] The depth of the welding marking cut in step P1 is no more than one-third of the thickness of the substrate, and the width is no more than 0.5 mm.

[0044] Step P3 also includes using CCD vision to detect whether the offset error of each lamp bead exceeds a preset value. If so, the lamp bead is adjusted.

[0045] During the reflux in step P5, the reflux temperature is set to 220 degrees Celsius to 260 degrees Celsius, and the reflux time is set to 5 minutes to 8 minutes.

[0046] A five-in-one lamp bead and a processing method thereof provided by the present invention are facilitated to separate the welding package by welding the pins of the five lamp beads to the lower side of the substrate, thereby avoiding poisoning by slurry volatilization, and being safe and stable. At the same time, by laminating the first blue light chip and the second blue light chip on both sides, mutual interference can be avoided, thereby improving the use stability of the lamp bead. In addition, the packaging production process is easy to control, which is conducive to operation, ensures the curing effect and layout uniformity, reduces product errors, and effectively improves production quality and production efficiency.

Claims

1. A five-in-one lamp bead, comprising a substrate (1), characterized in that: The upper surface of the substrate (1) is provided with a welding mark line (11), and a lamp bead unit (12) is fixedly welded to the outer surface of the welding mark line (11), and the lamp bead unit (12) comprises a substrate (2), a lamp bead (23) and a first blue light chip (22). Both ends of the lower surface of the substrate (2) are provided with welding grooves (21), and the lower surface of the first blue light chip (22) is fixedly welded to the left and right sides of the upper surface of the substrate (2). Both ends of the upper surface of the substrate (2) are provided with lamp beads (23), and both ends of the lamp bead (23) are fixedly connected with pins (24), and the outer surface of the pin (24) is fixedly welded to the inner surface of the welding groove (21). A welding hole (25) is provided at the center of the lower surface of the substrate (2), and a second blue light chip (26) is fixedly welded to the inner bottom surface of the welding hole (25); The first blue light chips (22) are arranged in two groups symmetrically on the left and right, emitting light of one of the two groups of white and yellow and yellow and white, with a color temperature of 1000-10000K and a power of 0.01-1W; The lamp beads (23) and the pins (24) are evenly distributed on the upper surface of the substrate (2) at equal intervals.

2. A five-in-one lamp bead according to claim 1, characterized in that: The second blue light chip (26) emits red, green and blue light simultaneously, and the power is 0-0.5W.

3. A five-in-one lamp bead according to claim 1, characterized in that: There are five lamp beads (23) and five pins (24).

4. A five-in-one lamp bead according to claim 1, characterized in that: The lamp bead units (12) are uniformly welded to the upper surface of the substrate (1) at equal intervals, and the lateral spacing at the center position is 9 mm to 10 mm, and the longitudinal spacing is 6 mm to 7 mm.

5. A five-in-one lamp bead according to claim 1, characterized in that: The length of the substrate (1) is 144 mm, the width is 60 mm, and the tolerance is ±0.1 mm.

6. A method for processing a five-in-one lamp bead according to claim 1, characterized in that: The processing method includes the following steps: P1, cutting a welding mark line on the upper end of the substrate to mark the welding position; P2, cutting a welding groove on the lower end of the substrate to ensure that the position corresponds to the welding mark line position and is symmetrically distributed; P3, attaching the lamp bead to the upper end of the substrate, and introducing the pin into the welding groove at the lower end, attaching the second blue light chip to the inside of the welding hole, using silver paste to weld the pin and the second blue light chip, and curing; P4, attaching the first blue light chip to the upper end of the substrate, applying glue on the upper end for welding; P5, placing the substrate in a reflow oven after welding for reflow curing; P6, using laser cutting equipment to cut the substrate along the gap position of the lamp bead unit to obtain the lamp bead unit, and then testing, sorting and packaging are performed to obtain the five-in-one lamp bead.

7. A method for processing a five-in-one lamp bead according to claim 6, characterized in that: The depth of the welding marking cut in step P1 is no more than one third of the thickness of the substrate, and the width is no more than 0.5 mm.

8. A method for processing a five-in-one lamp bead according to claim 6, characterized in that: The P3 step also includes detecting through CCD vision whether the offset error of each lamp bead exceeds a preset value, and if so, adjusting the lamp bead.

9. A method for processing a five-in-one lamp bead according to claim 6, characterized in that: During the reflux in step P5, the reflux temperature is set to 220 degrees Celsius to 260 degrees Celsius, and the reflux time is set to 5 minutes to 8 minutes.

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