CN218523540U

CN218523540U - Surface-mounted LED lamp

Info

Publication number: CN218523540U
Application number: CN202222740740.1U
Authority: CN
Inventors: 刘春平
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-02-24
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to a LED lamp technical field especially relates to a paster LED lamp. The LED lamp comprises a shell, and a PCB (printed circuit board) which is provided with a surface mounted LED lamp bead and an electronic element, wherein a mounting groove is arranged in a containing cavity of the shell, the PCB which is provided with the surface mounted LED lamp bead and the electronic element is fastened in the mounting groove through tight or interference fit, when filling potting glue, the glue flows into the containing cavity which surrounds a groove and is filled in the shell, the potting glue is cured to ensure that the mounting groove is further closely coated and connected with the PCB which is provided with the surface mounted LED lamp bead and the electronic element into a whole, and the shell, the mounting groove and the PCB which is provided with the surface mounted LED lamp bead and the electronic element are combined more and more tightly due to shrinkage during curing of the potting glue, so that the waterproof durability is better; meanwhile, the light emitting surface of the surface mounted LED lamp bead is tightly attached to the inner wall of the mounting groove, so that the waterproof effect on the surface mounted LED lamp bead is more excellent; therefore, the quality of the surface mounted LED lamp is improved, the service life is long, and the sealing performance and the waterproof performance are better.

Description

Surface-mounted LED lamp

Technical Field

The utility model relates to a LED lamp technical field especially relates to a paster LED lamp.

Background

In the prior art, a general outdoor LED lamp is packaged for the second time, an LED lamp body is completely or partially fixed in an LED shell, and then glue is filled and sealed. After a long time, due to the fact that the linear expansion coefficients of the waterproof encapsulating glue and the shell material are different, the waterproof encapsulating glue is easy to separate from the shell and crack due to expansion with heat and contraction with cold, water vapor permeates into the LED lamp beads and even accumulated water in the shell, the quality of the LED lamp is seriously reduced, and the lamp is even dead. Especially, the paster lamp bead is easily influenced by moist vapor, and the quality seriously descends even burns out lamp bead and circuit. In conclusion, the LED lamp in the prior art has poor waterproof effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paster LED lamp to solve the poor scheduling problem of water-proof effects of current LED lamp.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a SMD LED lamp, which comprises a shell, a PCB circuit board with SMD LED lamp beads and electronic elements, wherein one end of the shell is closed, and the other end is opened to form a containing cavity; a mounting groove which is tightly matched with the surface-mounted LED lamp bead and the PCB of the electronic element is convexly arranged at the bottom of the accommodating cavity, and a surrounding groove is formed between the inner wall of the accommodating cavity and the outer wall of the mounting groove; the PCB circuit board that has pasted dress paster LED lamp pearl and electronic component places in through inseparable or interference fit in the mounting groove, hold the chamber and pour into potting glue into, make behind the potting glue curing molding seamless inseparable laminating between mounting groove and the PCB circuit board that has pasted paster LED lamp pearl and electronic component.

Wherein the height of the mounting groove is lower than that of the shell.

The shell is provided with a convex lens, the convex lens is arranged at one end or the top end of the shell in a sealed mode, and the convex lens is located on the light emitting surface of the SMD LED lamp bead.

Wherein, encircle convex lens's periphery is equipped with a plurality of elastic fixation screens.

And the light emitting surface of the paster LED lamp bead is tightly attached to the inner wall of the mounting groove.

The surface mounted LED lamp further comprises a connecting wire, one end of the connecting wire is welded on the PCB, and the other end of the connecting wire is exposed out of the shell.

Wherein, the electronic element is one or any combination of a resistor, a capacitor, an inductor, a transistor and an IC integrated circuit.

The potting glue is made of PU glue, epoxy resin or silica gel.

Wherein, the material of casing is PP, PE, TPE or silica gel.

In the utility model discloses an in the paster LED lamp, be provided with the mounting groove in the holding intracavity of casing, the PCB circuit board of having pasted paster LED lamp pearl and electronic component fastens in the mounting groove through inseparable or interference fit, glue can flow into and encircle the holding chamber that the recess filled the casing when pouring into potting glue, the solidification of potting glue makes the mounting groove further closely coat between the PCB circuit board of having pasted paster LED lamp pearl and electronic component and link into an organic whole with pasting, because of can shrink when the solidification of potting glue makes casing and mounting groove and PCB circuit board of having pasted paster LED lamp pearl and electronic component combine more and more tightly, waterproof persistence is better; meanwhile, the light emitting surface of the surface mounted LED lamp bead is tightly attached to the inner wall of the mounting groove, so that the waterproof effect on the surface mounted LED lamp bead is more excellent; therefore, the quality of the surface mounted LED lamp is improved, the service life is long, and the sealing performance and the waterproof performance are better.

Drawings

Fig. 1 is a schematic structural diagram of a patch LED lamp provided by an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a patch LED lamp provided by an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a housing of a patch LED lamp according to an embodiment of the present invention.

Fig. 4 is a schematic view of another housing structure of the patch LED lamp according to the embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of fig. 4.

Fig. 6 is a schematic view of the housing of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Referring to fig. 1 to 6, a surface mount LED lamp provided in an embodiment of the present invention includes a housing 10, and a PCB 30 on which a surface mount LED lamp bead 20 and an electronic component are mounted, wherein one end of the housing 10 is closed, and the other end is open to form an accommodating cavity 11; a mounting groove 12 which is tightly matched with the surface-mounted LED lamp bead 20 and a PCB 30 of an electronic element is convexly arranged at the bottom of the accommodating cavity 11, and a surrounding groove 13 is formed between the inner wall of the accommodating cavity 11 and the outer wall of the mounting groove 12; the PCB 30 with the surface mounted LED lamp beads 20 and electronic components is arranged in the mounting groove 12 in a tight or interference fit mode, and the light emitting surface of the surface mounted LED lamp beads 20 is tightly attached to the inner wall of the mounting groove 12, so that glue does not exist on the light emitting surface of the surface mounted LED lamp beads 20 when the glue is filled and sealed, and the color temperature cannot be changed due to the fact that the glue for secondary filling and sealing is arranged above the surface mounted LED lamp beads 20; the shell 10 and the mounting groove 12 are made of plastic materials, and the plastic materials are tightly attached to the light emitting surface of the surface-mounted LED lamp bead 20, so that the surface-mounted LED lamp bead can conduct heat faster, has better heat dissipation and smaller light attenuation, and has more excellent waterproof effect on the surface-mounted LED lamp bead; glue can flow into and encircle the chamber 11 that holds that the casing was filled to recess 13 when pouring into embedment glue, embedment glue solidification makes mounting groove 12 further and pastes closely the package and apply between paster LED lamp pearl 20 and electronic component's the PCB circuit board 30 and link an organic whole, can shrink when the embedment glue solidification and make casing and mounting groove and pasted paster LED lamp pearl and electronic component's PCB circuit board combine more and more tight, waterproof persistence is better, can let out the line port down when the outdoor use installation, can not intake in the casing yet. Because the LED lamp beads 20 with the mounted patches and the PCB 30 of the electronic elements are arranged in the mounting groove 12 in a tight or interference fit manner, the waterproof effect can be achieved without potting glue, and the cost is saved.

In the embodiment of the present invention, the height of the mounting groove 12 is lower than that of the housing 10. When the glue is filled and sealed, the glue flows into the surrounding groove 13 firstly, and the glue is solidified and continuously shrinks to enable the mounting groove to wrap the PCB which is tightly arranged in the mounting groove and is provided with the surface-mounted LED lamp beads and the electronic elements more and more tightly; when glue lid was too the top of mounting groove, the chamber that holds of casing further closely the package with the mounting groove and the PCB circuit board that is located the mounting groove and has pasted paster LED lamp pearl and electronic component and apply even as an organic whole, improves the quality of paster LED lamp, and waterproof nature effect is better.

In the embodiment of the present invention, the surface mount LED lamp 20 further includes a connecting wire 16, a terminal of the connecting wire 16 is welded to the PCB 30, and the other terminal is exposed outside the housing 10.

In the embodiment of the present invention, the electronic component 17 is one or any combination of a resistor, a capacitor, an inductor, a transistor, and an IC integrated circuit.

In the embodiment of the present invention, the housing is provided with a convex lens 14, the convex lens 14 is disposed at the closed end of the housing 10, or the top end of the housing, the convex lens 14 is located on the light emitting surface of the patch LED lamp bead 20 to have a light guiding effect, and the convex lens 14 and the housing 10 are an integrated structure; a plurality of elastic fixing clamps 15 are arranged around the convex lens 14; when the product was assembled to the elastic fixation screens 15 confession, through pressing the chamber that holds that the elastic fixation screens 15 made the product pass the assembly board, on the elastic fixation screens 15 through the casing blocked the product to the assembly board, when the product was taken off to needs, made the product withdraw from the chamber that holds of assembly board through pressing elastic fixation screens 15.

The embodiment of the utility model provides an in, the material of embedment glue (not shown) is PU glue, epoxy or silica gel, can reduce cost by a wide margin.

In the embodiment of the present invention, the material of the housing 10 is PP, PE, TPE or silica gel, except for the above materials, the material of the housing can also be transparent PC, PMMA, PET, PVC, TPU, ev A, PS or transparent rubber.

In the embodiment of the utility model, a mounting groove is arranged in the containing cavity of the shell, the PCB circuit board with the mounted LED lamp beads and the electronic element is fastened in the mounting groove through tight or interference fit, when filling the potting glue, the glue flows into the containing cavity surrounding the groove and filling the shell, the potting glue is cured to ensure that the mounting groove is further closely wrapped and connected with the mounted LED lamp beads and the PCB circuit board with the electronic element into a whole, because the potting glue is cured, the shell and the mounting groove are more and more tightly combined with the mounted LED lamp beads and the PCB circuit board with the electronic element, and the water-proof durability is better; meanwhile, the light emitting surface of the surface mounted LED lamp bead is tightly attached to the inner wall of the mounting groove, so that the waterproof effect on the surface mounted LED lamp bead is more excellent; therefore, the quality of the surface mounted LED lamp is improved, the service life is long, and the sealing performance and the waterproof performance are better.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A surface-mounted LED lamp is characterized by comprising a shell and a PCB circuit board on which surface-mounted LED lamp beads and electronic elements are mounted, wherein one end of the shell is closed, and the other end of the shell is opened to form an accommodating cavity; a mounting groove which is tightly matched with the surface-mounted LED lamp bead and the PCB of the electronic element is convexly arranged at the bottom of the accommodating cavity, and a surrounding groove is formed between the inner wall of the accommodating cavity and the outer wall of the mounting groove; paste the PCB circuit board of subsides paster LED lamp pearl and electronic component and place in through inseparable or interference fit in the mounting groove, hold the chamber and pour into embedment glue into, make behind the embedment glue curing molding seamless inseparable laminating between mounting groove and the PCB circuit board of pasting paster LED lamp pearl and electronic component.

2. A patch LED lamp as claimed in claim 1, wherein: the height of the mounting groove is lower than that of the shell.

3. A patch LED lamp as claimed in claim 1, wherein: the casing is equipped with convex lens, convex lens set up in the confined one end or the top of casing, convex lens are located the light emitting area of paster LED lamp pearl.

4. A patch LED lamp as claimed in claim 3, wherein: a plurality of elastic fixing clamping positions are arranged around the convex lens.

5. A patch LED lamp as claimed in claim 1, wherein: and the light emitting surface of the paster LED lamp bead is tightly attached to the inner wall of the mounting groove.

6. A patch LED lamp as claimed in claim 1, wherein: the surface mounted LED lamp further comprises a connecting wire, one end of the connecting wire is welded on the PCB, and the other end of the connecting wire is exposed out of the shell.

7. A patch LED lamp as claimed in claim 1, wherein: the electronic element is one or any combination of a resistor, a capacitor, an inductor, a transistor and an IC integrated circuit.

8. A patch LED lamp as claimed in claim 1, wherein: the material of embedment glue is PU glue, epoxy or silica gel.

9. A patch LED lamp as claimed in claim 1, wherein: the material of casing is PP, PE, TPE or silica gel.