CN204943110U - Straight-down negative LED lamp bar - Google Patents
Straight-down negative LED lamp bar Download PDFInfo
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- CN204943110U CN204943110U CN201520678122.6U CN201520678122U CN204943110U CN 204943110 U CN204943110 U CN 204943110U CN 201520678122 U CN201520678122 U CN 201520678122U CN 204943110 U CN204943110 U CN 204943110U
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Abstract
The utility model discloses a kind of straight-down negative LED lamp bar, straight-down negative LED lamp bar comprises pcb board, some lamp pearl and lens being arranged on pcb board, and each lens is covered on each lamp pearl, described straight-down negative LED lamp bar also comprises and is arranged at sequential like adhesion layer on described pcb board, and described adhesion layer is positioned at around described lamp pearl between described pcb board and described lens, adopt adhesion layer described above can effectively reduce the veiling glare of LED lamp bead and reduce dust and water smoke and cover probability around lamp pearl, improve the light quality of LED.
Description
Technical field
The utility model relates to LED technology field, particularly relates to a kind of straight-down negative LED lamp bar.
Background technology
Straight-down negative LED lamp bar is that lens cover above LED lamp bead, and scioptics change the light path of the light that LED sends, and LED light are spread.But, gap is there is between existing lens and LED lamp bead, and when above lens cover LED lamp bead, be utilize three legs extended bottom lens to be fixed on pcb board by lens, cause between the bottom of lens and pcb board, there is larger space, therefore, the some light of LED lamp bead can be dispersed out from the space between lens and pcb board, namely form veiling glare, cause the reliability of lamp pearl and the decline of optical property, have impact on the light quality of straight-down negative LED lamp bar.In addition, due to the space between the bottom of lens and pcb board, when straight-down negative LED lamp bar uses under outdoor environment or adverse circumstances, dust very easily covers the top of the below of lens, the surrounding of lamp pearl and lamp pearl, and lamp pearl also easily covers water smoke, thus the optical property of lamp pearl is caused to decline.
Summary of the invention
In view of this, be necessary that providing a kind of can reduce the straight-down negative LED lamp bar that lamp pearl veiling glare and reduction dust and water smoke cover probability around lamp pearl in fact.
The technical solution of the utility model is: a kind of straight-down negative LED lamp bar, described straight-down negative LED lamp bar comprises pcb board, some lamp pearl and lens being arranged on pcb board, and each lens is covered on each lamp pearl, described straight-down negative LED lamp bar also comprises and is arranged at sequential like adhesion layer on described pcb board, and described adhesion layer is positioned at around described lamp pearl between described pcb board and described lens.
Preferably, described lens comprise bottom surface, and described bottom surface is relative with described pcb board, and described adhesion layer is connected with described sealing bottom surface.
Preferably, described lens comprise bottom surface, and described bottom surface is relative with described pcb board, there is gap between described adhesion layer and described bottom surface.
Preferably, described lens also comprise an accepting groove, described accepting groove is recessed to form from described bottom surface, for holding described lamp pearl, described adhesion layer is between the bottom sides edge and the edge of described bottom surface of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and the edge of described bottom surface.
Preferably, described lens also comprise several legs, described leg extends out bottom lens, for location and fixing described lens, described lens also comprise an accepting groove, and described accepting groove is recessed to form from described bottom surface, for holding described lamp pearl, described adhesion layer is between the bottom sides edge and described leg of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and described leg.
Preferably, described adhesion layer ringwise.
Preferably, described adhesion layer is in part annular.
Preferably, described sequential like adhesion layer selects UV glue or hot-setting adhesive.
Based on the structure of above-mentioned straight-down negative LED lamp bar, this LED lamp bar can effectively reduce the veiling glare of LED lamp bead and reduce dust and water smoke and cover probability around lamp pearl, improves the light quality of LED.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model straight-down negative LED lamp bar first embodiment.
Fig. 2 is the top view of straight-down negative LED lamp bar partial structurtes in Fig. 1.
Fig. 3 is the schematic diagram of straight-down negative LED lamp bar partial structurtes in Fig. 2.
Fig. 4 is the schematic diagram of the adhesion layer setting area of the utility model straight-down negative LED lamp bar.
Fig. 5 is the partial structurtes schematic diagram of the utility model straight-down negative LED lamp bar second embodiment.
Fig. 6 is the schematic diagram of the partial structurtes of the utility model straight-down negative LED lamp bar the 3rd embodiment.
Fig. 7 a and Fig. 7 b is for printing adhesive to form structure sectional view and the top view of a kind of steel mesh of the utility model straight-down negative LED lamp bar adhesion layer.
Fig. 8 is the flow chart of processing method first embodiment of a kind of straight-down negative LED lamp bar of the utility model.
Fig. 9 is the flow chart of processing method second embodiment of a kind of straight-down negative LED lamp bar of the utility model.
Reference numeral
1PCB plate, 2 lamp pearls, 3 lens, 4 adhesion layers, 5 straight-down negative LED lamp bar, 6 legs, 30 bottom surfaces, 31 accepting grooves, 32 edges, 33 annular regions, 34 flutings, 35 open tubular columns, 36 steel meshes, 37 ribs.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, clear, complete description is carried out to the technical scheme in embodiment.
Please refer to Fig. 1 to Fig. 4, the straight-down negative LED lamp bar 5 of the first embodiment comprises pcb board 1 and is arranged on several lamp pearl 2 and several lens 3 on pcb board 1.Lens 3 cover on lamp pearl 2, carry out diffusing light for the path changing the light that lamp pearl 2 sends.In the present embodiment, pcb board 1 is roughly in strip.Lamp pearl 2 compartment of terrain is arranged on pcb board 1.
Lens 3 roughly spherically body.Lens 3 comprise circular bottom surface 30, and cave inward from bottom surface 30 accepting groove 31 formed.Accepting groove 31 has the bottom sides crossing with bottom surface 30 along 32, and the mating shapes of accepting groove 31 and lamp pearl 2, for accommodating lamp pearl 2.Lens 3 are also provided with several legs 6, leg 6 is arranged at intervals on bottom surface 30.Leg 6 is supported on pcb board 1, for the location of lens 3 on pcb board 1 and fixing.In the present embodiment, the quantity of leg 6 is 3, and is fixed on pcb board by adhesive.Straight-down negative LED lamp bar 5 also comprises one deck sequential like adhesion layer 4 be arranged between lens 3 and pcb board.Adhesion layer 4 is roughly annular, and they are annular region 33 between bottom sides is along 32 to leg 6.The radial width of adhesion layer 4 is equal to or less than bottom sides along 32 to leg 6 apart from W.Adhesion layer 4 surrounds lamp pearl 2, and adhesion layer 4 has preset thickness.In the present embodiment, adhesion layer 4 and bottom surface 30 are tightly connected, thus seal lamps pearl 2.Adhesion layer 4 selects to have strong fusible adhesive material, preferred hot-setting adhesive or UV glue.
The seal cavity of the seal lamps pearl 2 that adhesion layer 4 and lens 3 are formed can completely cut off the contact of lamp pearl 2 and external environment condition, outside dust and water smoke is effectively prevented to enter into the accepting groove 31 of lens 3, thus when straight-down negative LED lamp bar 5 is placed under outdoor or wet environment, reduce dust or water smoke and stick to probability around lamp pearl 2, improve the light quality of LED.In addition, when lamp pearl 2 is to surrounding emission of light, most of light is mapped to lens 3, and is reflected by lens 3 or reflected away, the some light directive bottom surface 30 of lamp pearl 2 and the space between bottom surface 30 and pcb board 1.Due to the adhesion layer 4 of sequential like set around lamp pearl 2, the light in directive bottom surface 30 and the space between bottom surface 30 and pcb board 1 will be transmitted on adhesion layer 4, to be reflected by adhesion layer 4 or scattering is returned, reduce the veiling glare of LED lamp bead 2, also effectively raise the light quality of LED.
In other embodiments, please refer to Fig. 5, gap is there is between the bottom surface 30 of adhesion layer 4 and lens 3, adhesion layer 4 is in airtight annular, and surround lamp pearl 2, this adhesion layer 4 still can prevent part dust and water smoke cover lamp pearl 2 surrounding and can the veiling glare of stop portions, improve the light quality of LED.
In other embodiments, please refer to Fig. 6, lens 3 are not provided with leg 6, are tightly connected between the bottom surface 30 of adhesion layer 4 and lens 3, and described adhesion layer 4 is airtight annular and surrounds lamp pearl 2.This straight-down negative LED lamp bar utilizes adhesion layer 4 fixed lens 3, and forms the seal cavity that is surrounded lamp pearl 2.
In other embodiments, adhesion layer 4 also can be annular in sequential like part.
In other embodiments, adhesion layer 4 is between bottom sides is along 32 to edge, lens 3 bottom surface 30, and its radial width is equal to or less than bottom sides arrives edge, lens 3 bottom surface 30 distance along 32.
In all embodiments, steel mesh can be adopted to print adhesive in order to form the adhesion layer 4 of sequential like or to utilize point gum machine or other modes to form adhesion layer 4.
When adopting steel mesh to print adhesive formation adhesion layer 4, first need steel mesh to be placed on pcb board, coating adhesive, steel mesh carries out printing rubber and sticks agent, make adhesive permeate from the mesh of steel mesh, and around lamp pearl, form a circle sequential like adhesion layer 4.
Please refer to Fig. 7 a and Fig. 7 b, it is respectively a kind of sectional view and top view of steel net structure.The thickness of this steel mesh is H, outer diameter D 1 is comprised at steel mesh 36, the fluting 34 of internal diameter D2, the open tubular column 35 of the height being arranged on steel mesh lower end to be h diameter be d and be arranged on several ribs 37 of fluting 34 upper end, wherein said fluting 34 is arranged on described open tubular column 35 around, and the fluting shape of 34 and the mating shapes of adhesion layer 4, during for printing adhesive, adhesive flows to described pcb board by fluting 34, and forms one deck adhesion layer 4; The mating shapes of open tubular column 35 and lamp pearl 2, for holding the lamp pearl 2 covered on pcb board, therefore the diameter d of open tubular column 35 is not less than diameter or the length of lamp pearl, and height h is not less than the height of lamp pearl.When after printing adhesive, will form the adhesion layer 4 of the airtight annular of one deck sequential like around lamp pearl, the thickness of the adhesion layer of this airtight annular is not higher than H, and its external diameter is D1, and internal diameter is D2.
Please refer to Fig. 8, it is a kind of flow chart of the first embodiment of processing method of straight-down negative LED lamp bar, and processing method comprises step:
Step S1, attachment lamp pearl 2.Particularly, utilize chip mounter that lamp pearl 2 is mounted on correspondence position on pcb board.
Step S2, reflow soldering.Particularly, utilize reflow soldering equipment that lamp pearl 2 is fixed on correspondence position on pcb board 1.
Step S3, prints sequential like adhesion layer 4 and prints adhesive in the position of the leg 6 of corresponding lens 3 around the position of fixed light pearl 2.Particularly, steel net structure can be adopted to surround the adhesion layer 4 of lamp pearl 2 to print out one deck and print adhesive in the position of the leg 6 of corresponding lens 3, can also the sequential like adhesion layer 4 of lamp pearl 2 be surrounded by other means printings and print adhesive in the position of the leg 6 of corresponding lens 3; If lens 3 are not provided with leg 6, then can ignore in the position of corresponding lens leg printing adhesive step.
Step S4, attachment lens 3.Particularly, attachment lens 3 are carried out in the position of the adhesive printed according to corresponding lens 3 leg 6.
Step S5, the off normal inspection of lens 3, particularly, contraposition is carried out at chip mounter identification every lamp pearl 2 light-emitting area center and lens 3 center, for checking whether lens 3 exist deviation problem.
Step S6, dries adhesive, particularly, dries adhesive by heating furnace, such as, if the adhesive selected is UV glue, then utilizes UV stove to dry.
Please refer to Fig. 9, it is the flow chart of the second embodiment of the processing method of straight-down negative LED lamp bar, and this processing method comprises step:
Step S11, printing sequential like adhesion layer 4, particularly, first utilizes the mode of steel mesh or point gum machine around lamp pearl, form the adhesion layer 4 of one deck encirclement lamp pearl 2.
Step S12, dries adhesive 4, particularly, dries by heating furnace the adhesion layer 4 that adhesive makes, and such as, if the adhesive selected is UV glue, then utilizes UV stove to dry sequential like adhesion layer.
Step S13, attachment lamp pearl 2, particularly, utilizes chip mounter that lamp pearl 2 is mounted on correspondence position on pcb board.
Step S14, reflow soldering, particularly, utilizes reflow soldering equipment to be fixed on pcb board 1 by lamp pearl 2.
Step S15, some glue, particularly, utilizes point gum machine on pcb board, and a glue is carried out in the position of lens 3 leg 6 corresponding to be installed.
Step S16, attachment lens 3, particularly, after some glue, carry out attachment lens 3 by the leg 6 corresponding points glue position of lens 3.
Step S17, the inspection of lens 3 off normal, particularly, contraposition is carried out at chip mounter identification every lamp pearl 2 light-emitting area center and lens 3 center, for checking whether lens 3 exist deviation problem.
Step S18, melts down solidification, and particularly, lens 3 off normal if there is not deviation problem, is cured process at UV stove after checking, fixed lens, in specific position, covers lamp pearl 2.
Utilize above-mentioned straight-down negative LED lamp bar processing method, can process and be provided with the straight-down negative LED lamp bar that one deck surrounds the adhesion layer 4 of the sequential like of lamp pearl 2, this straight-down negative LED lamp bar, dust can be effectively reduced, water smoke covers the probability on lamp pearl and effectively can reduce the veiling glare of LED, improve the light quality of LED.
To the above-mentioned explanation of disclosed example, make the art professional can realize or use the utility model.Be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the most wide region consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a straight-down negative LED lamp bar, described straight-down negative LED lamp bar comprises pcb board, some lamp pearl and lens being arranged on pcb board, and each lens is covered on each lamp pearl, it is characterized in that, described straight-down negative LED lamp bar also comprises and is arranged at sequential like adhesion layer on described pcb board, and described adhesion layer is positioned at around described lamp pearl between described pcb board and described lens.
2. straight-down negative LED lamp bar as claimed in claim 1, it is characterized in that: described lens comprise bottom surface, described bottom surface is relative with described pcb board, and described adhesion layer is connected with described sealing bottom surface.
3. straight-down negative LED lamp bar as claimed in claim 1, it is characterized in that: described lens comprise bottom surface, described bottom surface is relative with described pcb board, there is gap between described adhesion layer and described bottom surface.
4. straight-down negative LED lamp bar as claimed in claim 2 or claim 3, it is characterized in that: described lens also comprise an accepting groove, described accepting groove is recessed to form from described bottom surface, for holding described lamp pearl, described adhesion layer is between the bottom sides edge and the edge of described bottom surface of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and the edge of described bottom surface.
5. straight-down negative LED lamp bar as claimed in claim 2 or claim 3, it is characterized in that, described lens also comprise several legs, described leg extends out bottom lens, for location and fixing described lens, described lens also comprise an accepting groove, described accepting groove is recessed to form from described bottom surface, for holding described lamp pearl, described adhesion layer is between the bottom sides edge and described leg of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and described leg.
6. straight-down negative LED lamp bar as claimed in claim 1, is characterized in that: described adhesion layer ringwise.
7. straight-down negative LED lamp bar as claimed in claim 6, it is characterized in that, described lens comprise bottom surface, described lens also comprise an accepting groove, described accepting groove is recessed to form for holding described lamp pearl from described bottom surface, described adhesion layer is between the bottom sides edge and the edge of described bottom surface of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and the edge of described bottom surface.
8. straight-down negative LED lamp bar as claimed in claim 1, is characterized in that: described adhesion layer is in part annular.
9. straight-down negative LED lamp bar as claimed in claim 8, it is characterized in that, described lens comprise bottom surface, described bottom surface is relative with described pcb board, described lens are also provided with an accepting groove, and described accepting groove is recessed to form from described bottom surface, for holding described lamp pearl, described adhesion layer is between the bottom sides edge and the edge of described bottom surface of described accepting groove, and the width of described adhesion layer is equal to or less than the distance between the bottom sides edge of described accepting groove and the edge of described bottom surface.
10. straight-down negative LED lamp bar as claimed in claim 1, is characterized in that, described sequential like adhesion layer selects UV glue or hot-setting adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678122.6U CN204943110U (en) | 2015-09-02 | 2015-09-02 | Straight-down negative LED lamp bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520678122.6U CN204943110U (en) | 2015-09-02 | 2015-09-02 | Straight-down negative LED lamp bar |
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| CN204943110U true CN204943110U (en) | 2016-01-06 |
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| CN201520678122.6U Active CN204943110U (en) | 2015-09-02 | 2015-09-02 | Straight-down negative LED lamp bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065959A (en) * | 2015-09-02 | 2015-11-18 | 深圳市聚飞光电股份有限公司 | Direct-type LED lamp strip and machining method thereof |
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- 2015-09-02 CN CN201520678122.6U patent/CN204943110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065959A (en) * | 2015-09-02 | 2015-11-18 | 深圳市聚飞光电股份有限公司 | Direct-type LED lamp strip and machining method thereof |
| CN105065959B (en) * | 2015-09-02 | 2018-04-13 | 深圳市聚飞光电股份有限公司 | Straight-down negative LED light bar and its processing method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220919 Address after: No. 71, Fengming North Road, Wuhu Area, China (Anhui) Pilot Free Trade Zone, Wuhu City, Anhui Province, 241000 (declaration commitment) Patentee after: WUHU JUFEI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 518000 Building C, 1-3 and E, Building 4, Egongling Industrial Zone, Egongling Community, Pinghu Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN JUFEI OPTOELECTRONICS Co.,Ltd. |