CN104948939A - LED lamp and optical engine thereof - Google Patents
LED lamp and optical engine thereof Download PDFInfo
- Publication number
- CN104948939A CN104948939A CN201410120893.3A CN201410120893A CN104948939A CN 104948939 A CN104948939 A CN 104948939A CN 201410120893 A CN201410120893 A CN 201410120893A CN 104948939 A CN104948939 A CN 104948939A
- Authority
- CN
- China
- Prior art keywords
- shell
- photo engine
- photo
- light source
- cob light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
Abstract
The invention discloses an optical engine. The optical engine comprises a COB optical source (5), a driving circuit (2) and a shell (1) arranged on the COB optical source (5) in a covering mode, and the driving circuit (2) is arranged in the shell (1). According to the optical engine, the shell is arranged on the COB optical source, the COB optical source is protected, the driving circuit is arranged in the shell, so that a driving device is prevented from arranging on one side, away from the shell, of the COB optical source, and the tidiness degree of the optical engine is improved; in addition, due to the fact that the driving circuit is arranged in the shell, the internal space of the shell is sufficiently utilized, therefore the matching compactness of parts of the optical engine is improved, the size of the optical engine is shortened, and the comprehensive performance of the optical engine is improved. The invention further provides an LED lamp provided with the optical engine.
Description
Technical field
The present invention relates to technical field of lighting fixtures, particularly a kind of LED and photo engine thereof.
Background technology
At present, in LED, photo engine directly affects its illuminating effect, and therefore, photo engine is one of most important parts in a LED also.
But the parts of photo engine are more, in existing photo engine, the gap of all parts is comparatively large, and then causes the volume of photo engine larger.Positioned opposite for COB light source and drive circuit, the one side of COB light source, for being provided with the light-emitting area of illuminating part, be provided with protective cover or screening glass, and drive circuit is arranged at the another side of COB light source, makes the volume of photo engine larger.At the installing space of photo engine and when holding limited space, its corresponding combination property is lower.
Therefore, how to improve cooperation tight ness rating, improving combination property, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of photo engine, improve the cooperation tight ness rating of each parts, improve combination property.Present invention also offers a kind of LED with above-mentioned photo engine.
For achieving the above object, the invention provides following technical scheme:
A kind of photo engine, comprises COB light source and drive circuit, also comprises the shell covered in described COB light source;
Described drive circuit is placed in described shell.
Preferably, in above-mentioned photo engine, described shell is annular outer cover, and centre has the centre bore supplying the illuminating part of described COB light source to spill.
Preferably, in above-mentioned photo engine, described illuminating part is square illuminating part.
Preferably, in above-mentioned photo engine, described centre bore is square central hole.
Preferably, in above-mentioned photo engine, the edge length of described centre bore is greater than the edge length of described illuminating part.
Preferably, in above-mentioned photo engine, described centre bore has fillet.
Preferably, in above-mentioned photo engine, described illuminating part has fillet.
Preferably, in above-mentioned photo engine, described centre bore has inclination joint face to the end face of described shell.
Preferably, in above-mentioned photo engine, the connection edge of the end face of described inclination joint face and described shell forms square connection box.
Preferably, in above-mentioned photo engine, described square connection box has fillet.
Preferably, in above-mentioned photo engine, also comprise the bolt connecting hole be arranged on described shell; Described substrate is provided with the connecting hole corresponding with described bolt connecting hole.
Preferably, in above-mentioned photo engine, described bolt connecting hole is counter sink.
Preferably, in above-mentioned photo engine, the quantity of described bolt connecting hole is two.
Preferably, in above-mentioned photo engine, described bolt connecting hole is diagonally distributed on described shell.
Preferably, in above-mentioned photo engine, described bolt connecting hole is arranged on described square connection box.
Preferably, in above-mentioned photo engine, the circuit board of described drive circuit and the substrate-parallel of described COB light source are arranged.
Preferably, in above-mentioned photo engine, between the circuit board of described drive circuit and the substrate of described COB light source, be provided with pad.
Preferably, in above-mentioned photo engine, described pad is double-sided self-adhesive heat-conducting pad.
Preferably, in above-mentioned photo engine, the outward flange of described shell aligns with the outward flange of the substrate of described COB light source.
Preferably, in above-mentioned photo engine, the substrate of described COB light source is square substrate.
Present invention also offers a kind of LED, comprise photo engine, described photo engine is the photo engine as described in above-mentioned any one.
As can be seen from above-mentioned technical scheme, in photo engine provided by the invention, by arranging shell in COB light source, protection COB light source, drive circuit is arranged in shell, avoids arranging drive unit in COB light source away from the side of shell, improve the neat degree of photo engine; Further, owing to being arranged in shell by drive circuit, make full use of housing interior volume, and then improve the part fits tight ness rating of photo engine provided by the invention, reduce the volume of photo engine, and then improve its combination property.
Present invention also offers a kind of LED, comprise photo engine, photo engine is as any one photo engine above-mentioned.Because above-mentioned photo engine has above-mentioned technique effect, the LED with above-mentioned photo engine also should have similarly technique effect, to introduce no longer in detail and all within protection domain at this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the photo engine that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the cut-away illustration along A-A face cutting in Fig. 1;
The schematic top plan view of the COB light source that Fig. 3 provides for the embodiment of the present invention;
The schematic front view of the COB light source that Fig. 4 provides for the embodiment of the present invention.
Wherein,
Shell-1, drive circuit-2, pad-3, wire-4, COB light source-5, substrate-51, illuminating part-52, bolt connecting hole-6.
Detailed description of the invention
The invention discloses a kind of photo engine, improve part fits tight ness rating, improve combination property.Present invention also offers a kind of LED with above-mentioned photo engine.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, the structural representation of the photo engine that Fig. 1 provides for the embodiment of the present invention; Fig. 2 is the cut-away illustration along A-A face cutting in Fig. 1.
As depicted in figs. 1 and 2, the photo engine that the embodiment of the present invention provides, comprise COB light source 5 and drive circuit 2, it focuses on, and also comprises the shell 1 covered in COB light source 5; Drive circuit 2 is placed in shell 1.
In the photo engine that the embodiment of the present invention provides, by arranging shell 1 in COB light source 5, protection COB light source 5, is arranged at drive circuit 2 in shell 1, avoids arranging drive unit in COB light source 5 away from the side of shell 1, improves the neat degree of photo engine; Further, owing to being arranged in shell 1 by drive circuit 2, make full use of the inner space of shell 1, and then improve the part fits tight ness rating of the photo engine that the embodiment of the present invention provides, reduce the volume of photo engine, and then improve its combination property.
Wherein, the wire 4 of drive circuit 2 is drawn by between the substrate 51 of COB light source 5 and shell 1, also can arrange fairlead on shell 1.
In order to improve light efficiency, shell 1 is annular outer cover, and centre has the centre bore supplying the illuminating part 52 of COB light source 5 to spill.By above-mentioned setting, avoid shell 1 and be in the light.Also shell 1 can be set to transparent monolithic case or transparency window is set on shell 1, for illuminating part 52 printing opacity of COB light source 5.
As shown in Figure 3, illuminating part 52 is square illuminating part.Corresponding, the centre bore on the photo engine the housing 1 preferably embodiment of the present invention provided is square central hole.Also centre bore can be set to the hole of circular hole or other shapes, only need to guarantee that illuminating part 52 spills centre bore.In like manner, illuminating part 52 also can be other structures.
In the present embodiment, the edge length of centre bore is greater than the edge length of illuminating part 52.Also the edge length of centre bore can be made equal with the edge length of illuminating part 52.
Further, for the ease of installing, centre bore has fillet, and illuminating part 52 also has fillet.Namely the corner of square structure is fillet.
As shown in Figure 2, centre bore has inclination joint face to the end face of shell 1.Namely the inward flange of the end face of shell 1 is connected with inclination joint face, is extended to COB light source 5 direction by inclination joint face, away from the formation centre bore of the end face of shell 1.
Even in order to make inclination joint face obtain angle of inclination, the connection edge of the end face of inclination joint face and shell 1 forms square connection box.
As shown in Figure 1, square connection box has fillet.Wherein, it should be noted that, the inclination joint face part that the fillet of square connection box is corresponding is arcwall face.
In the present embodiment, shell 1 is connected with COB light source 5 bolt, namely shell 1 is provided with bolt connecting hole 6; Substrate 51 is provided with the connecting hole corresponding with bolt connecting hole 6.By screw bolt passes bolt connecting hole 6 and connecting hole are tightened, achieve shell 1 and the connective stability of COB light source 5, effectively prevent drive circuit 2 by situation about coming off between the two.
Further, in order to improve shell 1 outer surface cleaning, bolt connecting hole 6 is counter sink.Wherein, counter sink is also called shoulder hole, have the installing hole of a minor diameter and large diameter connecting hole is coaxially arranged forms, namely the head of bolt is arranged in the large diameter connecting hole of counter sink, screw rod is passed by the installing hole of minor diameter, effectively avoids the head of bolt exposed at shell 1 outer surface.
In the photo engine that the embodiment of the present invention provides, it is preferably two by the quantity of bolt connecting hole 6.Effective location shell 1 and COB light source 5 is connected by 2.Also the quantity of bolt connecting hole 6 can be set to 3 or 4 etc.
Further, bolt connecting hole 6 is diagonally distributed on shell 1.Namely one of them bolt connecting hole 6 is arranged at the position at a right angle near square illuminating part, and another bolt connecting hole 6 is arranged at the position at the diagonal angle at this right angle near square illuminating part.
Wherein, bolt connecting hole 6 is arranged on square connection box.
As shown in Figure 2, Figure 3 and Figure 4, the circuit board of drive circuit 2 and the substrate 51 of COB light source 5 be arranged in parallel.By above-mentioned setting, effectively improve the stability in the photo engine that drive circuit 2 improves in the embodiment of the present invention.Wherein, preferably the circuit board of drive circuit 2 is placed on the substrate 51 of COB light source 5; also can the circuit board of drive circuit 2 be pasted on the inwall of shell 1; as on inner top surface, sidewall or inwall corner; the circuit board position of concrete drive circuit 2 arranges and does not limit and within protection domain, introduce no longer in detail at this.
In order to improve installation stability, between the circuit board of drive circuit 2 and the substrate 51 of COB light source 5, be provided with pad 3.
Further, pad 3 is double-sided self-adhesive heat-conducting pad.Contacted with pad 3 by the circuit board of drive circuit 2, effectively improve the radiating effect of drive circuit 2, and then improve the operation stability of photo engine.
Preferably, the outward flange of shell 1 aligns with the outward flange of the substrate 51 of COB light source 5.Also the outward flange of shell 1 can be arranged on the substrate 51 of COB light source 5, or, the outward flange of the substrate 51 of COB light source 5 is placed in the outward flange of shell 1, introduces no longer in detail at this.
As shown in Figure 3, the substrate 51 of COB light source 5 is square substrate.
The embodiment of the present invention additionally provides a kind of LED, comprises photo engine, and photo engine is as any one photo engine above-mentioned.Because above-mentioned photo engine has above-mentioned technique effect, the LED with above-mentioned photo engine also should have similarly technique effect, to introduce no longer in detail and all within protection domain at this.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (21)
1. a photo engine, comprises COB light source (5) and drive circuit (2), it is characterized in that, also comprises the shell (1) covered in described COB light source (5);
Described drive circuit (2) is placed in described shell (1).
2. photo engine as claimed in claim 1, it is characterized in that, described shell (1) is annular outer cover, and centre has the centre bore supplying the illuminating part (52) of described COB light source (5) to spill.
3. photo engine as claimed in claim 2, it is characterized in that, described illuminating part (52) is square illuminating part.
4. photo engine as claimed in claim 3, it is characterized in that, described centre bore is square central hole.
5. photo engine as claimed in claim 4, it is characterized in that, the edge length of described centre bore is greater than the edge length of described illuminating part (52).
6. photo engine as claimed in claim 5, it is characterized in that, described centre bore has fillet.
7. photo engine as claimed in claim 6, it is characterized in that, described illuminating part (52) has fillet.
8. photo engine as claimed in claim 2, it is characterized in that, described centre bore has inclination joint face to the end face of described shell (1).
9. photo engine as claimed in claim 8, it is characterized in that, the connection edge of the end face of described inclination joint face and described shell (1) forms square connection box.
10. photo engine as claimed in claim 9, it is characterized in that, described square connection box has fillet.
11. photo engines as claimed in claim 10, is characterized in that, also comprise the bolt connecting hole (6) be arranged on described shell (1); Described substrate (51) is provided with the connecting hole corresponding with described bolt connecting hole (6).
12. photo engines as claimed in claim 11, it is characterized in that, described bolt connecting hole (6) is counter sink.
13. photo engines as claimed in claim 11, is characterized in that, the quantity of described bolt connecting hole (6) is two.
14. photo engines as claimed in claim 13, it is characterized in that, described bolt connecting hole (6) is diagonally distributed on described shell (1).
15. photo engines as described in any one of claim 11-14, it is characterized in that, described bolt connecting hole (6) is arranged on described square connection box.
16. photo engines as claimed in claim 1, is characterized in that, the circuit board of described drive circuit (2) and the substrate (51) of described COB light source (5) be arranged in parallel.
17. photo engines as claimed in claim 16, is characterized in that, are provided with pad (3) between the circuit board of described drive circuit (2) and the substrate (51) of described COB light source (5).
18. photo engine as claimed in claim 17, it is characterized in that, described pad (3) is double-sided self-adhesive heat-conducting pad.
19. photo engines as claimed in claim 1, is characterized in that, the outward flange of described shell (1) aligns with the outward flange of the substrate (51) of described COB light source (5).
20. photo engines as claimed in claim 19, is characterized in that, the substrate (51) of described COB light source (5) is square substrate.
21. 1 kinds of LED, comprise photo engine, it is characterized in that, described photo engine is the photo engine as described in any one of claim 1-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120893.3A CN104948939A (en) | 2014-03-27 | 2014-03-27 | LED lamp and optical engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120893.3A CN104948939A (en) | 2014-03-27 | 2014-03-27 | LED lamp and optical engine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104948939A true CN104948939A (en) | 2015-09-30 |
Family
ID=54163838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410120893.3A Pending CN104948939A (en) | 2014-03-27 | 2014-03-27 | LED lamp and optical engine thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948939A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2461094A2 (en) * | 2010-12-03 | 2012-06-06 | Samsung LED Co., Ltd. | Light source for illumination apparatus and method of manufacturing the same |
| CN202561483U (en) * | 2011-06-10 | 2012-11-28 | 东芝照明技术株式会社 | Lamp device |
| WO2012160688A1 (en) * | 2011-05-26 | 2012-11-29 | 東芝ライテック株式会社 | Illuminating apparatus |
| CN103189684A (en) * | 2010-10-29 | 2013-07-03 | 欧司朗股份有限公司 | Lighting assembly |
| CN103486459A (en) * | 2012-06-13 | 2014-01-01 | 松下电器产业株式会社 | Light emitting device and lighting fixture |
| WO2014009180A1 (en) * | 2012-07-10 | 2014-01-16 | Osram Gmbh | Lighting module |
-
2014
- 2014-03-27 CN CN201410120893.3A patent/CN104948939A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103189684A (en) * | 2010-10-29 | 2013-07-03 | 欧司朗股份有限公司 | Lighting assembly |
| EP2461094A2 (en) * | 2010-12-03 | 2012-06-06 | Samsung LED Co., Ltd. | Light source for illumination apparatus and method of manufacturing the same |
| WO2012160688A1 (en) * | 2011-05-26 | 2012-11-29 | 東芝ライテック株式会社 | Illuminating apparatus |
| CN202561483U (en) * | 2011-06-10 | 2012-11-28 | 东芝照明技术株式会社 | Lamp device |
| CN103486459A (en) * | 2012-06-13 | 2014-01-01 | 松下电器产业株式会社 | Light emitting device and lighting fixture |
| WO2014009180A1 (en) * | 2012-07-10 | 2014-01-16 | Osram Gmbh | Lighting module |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150930 |