CN214370065U

CN214370065U - Surface-mounted LED point light source

Info

Publication number: CN214370065U
Application number: CN202120933490.6U
Authority: CN
Inventors: 刘春平
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-08
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to a LED lamp field especially relates to a paster LED pointolite. The electrode lead is welded on the PCB; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the PCB; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the PCB circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the PCB circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after the curing molding. Therefore, the utility model provides a leakproofness of paster LED pointolite is better, has improved waterproof performance, has promoted the efficiency of production equipment by a wide margin, has reduced manufacturing cost.

Description

Surface-mounted LED point light source

Technical Field

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

Background

Present advertisement brightening illumination pointolite uses extensively day by day, and prior art's pointolite can lead to shell fracture or shell to cross a period of time re-fracture owing to there is deckle edge at the assembly process circuit board usually, and the too tight cooperation of impressing, and the cooperation is too loose then glue easily oozes to the lamp pearl surface, leads to the colour difference, and the defective rate is reprocessed the rate height, and the assembly degree of difficulty is big, and is inefficient. After long-time outdoor use, the potting colloid can separate from the shell, and the colloid is cured, shrunk and aged, so that the waterproof performance is reduced, and the phenomenon that water vapor enters the cavity on one side of the lamp bead to lead to the death of the lamp is avoided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paster LED pointolite to solve prior art and use the back for a long time in the open air, the potting compound can have the separation phenomenon with the shell, thereby leads to waterproof performance to descend, and steam enters into lamp pearl one side cavity and leads to dying lamp scheduling problem.

The utility model provides a SMD LED point light source, which comprises a PCB circuit board, an electrode wire, a lens and a rubber sleeve, wherein the PCB circuit board is provided with a SMD LED lamp bead and an electronic element, and the electrode wire is welded on the PCB circuit board; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the PCB; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the PCB circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the PCB circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after the curing molding.

The utility model also provides a paster LED point light source, which comprises a FPC circuit board, a lens, an electrode lead, a plastic part and a rubber sleeve, wherein the FPC circuit board is provided with paster LED lamp beads and electronic elements, and the electrode lead is welded on the FPC circuit board attached to two sides of the plastic part; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the FPC circuit board; the FPC circuit board is arranged on the surface of the plastic part through double-sided adhesive tape; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the FPC circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the FPC circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after curing molding.

Furthermore, the bottom of the lens is provided with a plurality of positioning columns, the PCB is provided with positioning holes matched with the positioning columns, and the positioning columns of the lens are inserted into the positioning holes of the PCB and are fixed through glue.

Furthermore, the bottom of the lens is provided with a plurality of positioning columns, the FPC circuit board and the plastic part are both provided with positioning holes matched with the positioning columns, and the positioning columns of the lens penetrate through the positioning holes of the FPC circuit board to be fixed in the positioning holes of the plastic part and are tightly matched with the positioning holes of the plastic part.

Furthermore, the outer side of the rubber sleeve is provided with one or more elastic fixing clamping positions for fixing the SMD LED point light source on the assembling plate.

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

Furthermore, the material of the potting colloid is PU glue, epoxy resin or silica gel; the lens is made of PC or acrylic; the rubber sleeve is made of PVC, TPU, TPE or EVA.

In the surface mount LED spot light source of the present invention, the electrode wire is welded to the PCB; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the PCB; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the PCB circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the PCB circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after the curing molding. Therefore, the positioning column of the lens is inserted into the positioning hole of the PCB and is fixed by gluing, then the lens is clamped and fixed by matching the limiting bosses arranged on the two sides of the outer surface of the middle part of the lens and the limiting grooves or the limiting clamping points arranged on the inner wall of the rubber sleeve, then the potting colloid is slowly injected into the gap between the inner wall of the bottom of the rubber sleeve and the PCB assembled with the lens, and the electrode lead is exposed out of the bottom of the rubber sleeve after curing molding. Therefore, the utility model provides a leakproofness of paster LED pointolite is better, has improved waterproof performance, has promoted the efficiency of production equipment by a wide margin, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of a patch LED point light source according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a patch LED point light source according to an embodiment of the present invention.

Fig. 3 is a schematic view of another structure of a patch LED point light source according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of another structure of a patch LED point light source according to an embodiment of the present invention.

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 and 2, a first embodiment of the present invention provides a surface mount LED spot light source, which includes a PCB circuit board 1 on which a surface mount LED lamp bead and an electronic component are mounted, an electrode wire 11, a lens 2, and a rubber sleeve 3, wherein the electrode wire 11 is welded to the PCB circuit board 1; two sides of the outer surface of the middle part of the lens 2 are provided with limiting bosses 4, and the lens 2 is arranged on or adhered to the PCB 1; the top of the rubber sleeve 3 is provided with a through hole 5, and the inner wall of the rubber sleeve 3 is provided with a limiting groove or a limiting clamping point 6 which is used for being matched with the limiting boss 4; the PCB circuit board 1 assembled with the lens 2 is arranged in the rubber sleeve 3 and is clamped and fixed by matching a limit boss 4 and a limit groove or a limit clamping point 6, wherein the top of the lens 2 is exposed out of the through hole 5, a potting adhesive is injected from a gap between the inner wall of the bottom of the rubber sleeve 3 and the PCB 1 assembled with the lens 2, the electrode lead 11 is exposed out of the bottom of the rubber sleeve 3 after curing molding, therefore, the positioning column of the lens is inserted into the positioning hole of the PCB and is fixed by gluing, then the lens is clamped and fixed by matching the limiting bosses arranged on the two sides of the outer surface of the middle part of the lens and the limiting grooves or the limiting clamping points arranged on the inner wall of the rubber sleeve, then the potting colloid is slowly injected into the gap between the inner wall of the bottom of the rubber sleeve and the PCB assembled with the lens, and the electrode lead is exposed out of the bottom of the rubber sleeve after curing molding.

The embodiment of the utility model provides an in, the bottom of lens 2 is provided with a plurality of reference columns 7, PCB circuit board 1 be provided with reference column 7 complex locating hole 8, the reference column 7 of lens insert in the locating hole 8 of PCB circuit board is pasted fixedly through glue.

Referring to fig. 3 and 4, a second embodiment of the present invention provides a patch LED spot light source, which includes a FPC board 1 on which a patch LED lamp bead and an electronic component are mounted, a lens 2, an electrode wire 11, a plastic part 10, and a rubber sleeve 3, wherein the electrode wire 11 is welded to the FPC board 1 attached to two sides of the plastic part 10; two sides of the outer surface of the middle part of the lens 2 are provided with limiting bosses 4, and the lens 2 is arranged on or adhered to the FPC circuit board 1; the FPC circuit board 1 is arranged on the surface of the plastic part 10 through double-sided adhesive tape; the top of the rubber sleeve 3 is provided with a through hole 5, and the inner wall of the rubber sleeve 3 is provided with a limiting groove or a limiting clamping point 6 which is used for being matched with the limiting boss 4; the FPC board 1 assembled with the lens 2 is arranged in the rubber sleeve 3 and is clamped and fixed in the rubber sleeve 3 through the matching of a limiting boss 4 and a limiting groove or a limiting clamping point 6, wherein the top of the lens 2 is exposed out of the through hole 5, a potting colloid is injected into a gap between the inner wall of the bottom of the rubber sleeve 3 and the FPC board 1 assembled with the lens 2, and the electrode lead 11 is exposed out of the bottom of the rubber sleeve 3 after curing and molding. The structure and shape of the plastic part 10 can be changed in various ways.

The embodiment of the utility model provides a in the second, the bottom of lens 2 is provided with a plurality of reference columns 7, FPC circuit board 1 with plastic part 10 all be provided with 7 complex locating holes 8 of reference column, the reference column 7 of lens passes FPC circuit board's locating hole 8 is fixed in the locating hole 8 of plastic part and with 8 tight fits of locating hole of plastic part.

In the first and second embodiments of the present invention, the electronic component (not shown) is one or any combination of a resistor, a capacitor, an inductor, a transistor, and an IC integrated circuit.

The utility model discloses in embodiment one and embodiment two, 3 outsides of gum cover are equipped with one or more and are used for fixing the elastic fixation screens 9 on the equipment board with paster LED pointolite, when elastic fixation screens 9 supplies the equipment paster LED pointolite to the product, make paster LED pointolite pass the through-hole of equipment board through pressing the elastic fixation screens, flange and the elastic fixation screens through the gum cover block paster LED pointolite to the equipment board, when needs take off paster LED pointolite, through pressing the elastic fixation screens, make paster LED pointolite withdraw from the through-hole of equipment board.

In the first and second embodiments of the present invention, the potting adhesive (not shown) is PU adhesive, epoxy resin or silica gel; the lens 2 is made of PC or acrylic; the rubber sleeve 3 is made of PVC, TPU, TPE or EVA.

The embodiment of the utility model provides an assembly process of a paster LED pointolite that first and second provided as follows:

firstly, a lens is installed and fixed on a PCB or FPC board which is welded with electrode leads and is pasted with a surface mounted LED lamp bead and an electronic element, then the PCB or FPC board which is assembled with the lens penetrates through a rubber sleeve and is clamped and fixed in the rubber sleeve in a matching way through a limiting boss of the lens and a limiting groove or a limiting clamping point of the rubber sleeve, then a potting colloid is slowly injected into a gap between the inner wall of the bottom of the rubber sleeve and the PCB or FPC board which is assembled with the lens, glue is injected into the gap between the inner wall of the rubber sleeve and the lens and the circuit board and covers the periphery of the lens, the PCB or FPC board, a plastic part and the electrode leads, the glue covers the leads and the welding points of the circuit board, and after the glue is solidified, the colloid is tightly wrapped on the lens, the PCB or FPC board, the electrode leads and the periphery of the plastic part to form a whole. The colloid is solidified and contracted to enable the colloid to tightly wrap the lens, the circuit board and the electrode lead, the waterproof performance is excellent, and the waterproof performance is not influenced even if the colloid is separated from the rubber sleeve for a long time.

The utility model provides a leakproofness of paster LED pointolite is better, has improved waterproof performance, has promoted the efficiency of production equipment by a wide margin, has reduced manufacturing cost.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A SMD LED point light source is characterized by comprising a PCB (printed circuit board) on which SMD LED lamp beads and electronic elements are pasted, an electrode lead, a lens and a rubber sleeve, wherein the electrode lead is welded on the PCB; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the PCB; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the PCB circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the PCB circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after the curing molding.

2. The patch LED point light source of claim 1 wherein the bottom of the lens is provided with a plurality of positioning posts, the PCB is provided with positioning holes matching with the positioning posts, and the positioning posts of the lens are inserted into the positioning holes of the PCB and fixed by gluing.

3. The patch LED point light source of claim 1 wherein the electronic component is one or any combination of resistors, capacitors, inductors, transistors and IC integrated circuits.

4. The patch LED point light source of claim 1 wherein the outside of the rubber sleeve is provided with one or more elastic fixing clips for fixing the patch LED point light source to the assembly board.

5. The patch LED point light source of claim 1, wherein the potting adhesive is made of PU glue, epoxy resin or silica gel; the lens is made of PC or acrylic; the rubber sleeve is made of PVC, TPU, TPE or EVA.

6. A SMD LED point light source is characterized by comprising an FPC (flexible printed circuit) board, a lens, electrode leads, a plastic part and a rubber sleeve, wherein the FPC board is provided with SMD LED lamp beads and electronic elements, and the electrode leads are welded on the FPC board attached to two sides of the plastic part; the two sides of the outer surface of the middle part of the lens are provided with limiting bosses, and the lens is arranged on or adhered to the FPC circuit board; the FPC circuit board is arranged on the surface of the plastic part through double-sided adhesive tape; the top of the rubber sleeve is provided with a through hole, and the inner wall of the rubber sleeve is provided with a limiting groove or a limiting clamping point which is used for being matched with the limiting boss; the FPC circuit board after the lens is assembled is arranged in the rubber sleeve and is clamped and fixed in the rubber sleeve through the matching of a limiting boss and a limiting groove or a limiting clamping point, wherein the top of the lens is exposed out of the through hole, a potting adhesive is injected into a gap between the inner wall of the bottom of the rubber sleeve and the FPC circuit board after the lens is assembled, and the electrode wire is exposed out of the bottom of the rubber sleeve after curing molding.

7. The patch LED point light source of claim 6 wherein the bottom of the lens is provided with a plurality of positioning posts, the FPC board and the plastic part are provided with positioning holes for fitting with the positioning posts, and the positioning posts of the lens are fixed in the positioning holes of the plastic part through the positioning holes of the FPC board and are tightly fitted with the positioning holes of the plastic part.

8. The patch LED point light source of claim 6 wherein the electronic component is one or any combination of resistors, capacitors, inductors, transistors and IC integrated circuits.

9. The patch LED point light source of claim 6 wherein the outside of the rubber sleeve is provided with one or more elastic fixing clips for fixing the patch LED point light source to the assembly board.

10. The patch LED point light source of claim 6, wherein the potting adhesive is made of PU glue, epoxy resin or silica gel; the lens is made of PC or acrylic; the rubber sleeve is made of PVC, TPU, TPE or EVA.