CN102042524B - Annular lighting tube - Google Patents
Annular lighting tube Download PDFInfo
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- CN102042524B CN102042524B CN201010527640.XA CN201010527640A CN102042524B CN 102042524 B CN102042524 B CN 102042524B CN 201010527640 A CN201010527640 A CN 201010527640A CN 102042524 B CN102042524 B CN 102042524B
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- half shell
- circuit board
- annular
- annular half
- lamp tube
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to an annular lighting tube, comprising a first circuit board, a second circuit board and a tube body, wherein the first circuit board and the second circuit board are fixed inside the tube body, the first circuit board comprises a first base board and a plurality of light-emitting diodes arranged on the first base board, the second circuit board comprises a second base board and a drive circuit arranged on the second base board, the drive circuit applies driving to light the light-emitting diodes, and the first circuit board forms an annular profile, extends along the interior of the tube body and is electrically connected with the second circuit board. The annular lighting tube can be installed in traditional lights, has the characteristics of no pollutant, high photoelectric conversion efficiency and high illuminating efficiency and the advantages of convenience of manufacturing and assembly and safety of use, and the like.
Description
Technical field
The present invention relates to a kind of annular lamp tube, especially a kind of light emitting diode (Light-emitting diode, LED) that uses is as the annular lamp tube of illuminating source.
Background technology
Existing annular lamp tube utilizes gas discharge to produce light, is generally referred to as fluorescent lamp or fluorescent lamp.Its principle of luminosity is, discharges electronics by electric current, and excite the mercuryvapour in fluorescent tube to produce ultraviolet, and the fluorescent material be coated in inside fluorescent tube absorbs ultraviolet, conversion sends visible fluorescence.But the photoelectric transformation efficiency being finally converted to visible ray is not high, and high heat can be produced.
Secondly, because the mercuryvapour in existing annular lamp tube is poisonous, and can discharge harmful ultraviolet light and high heat, therefore fluorescent tube must adopt glass manufacture, to prevent hazardous materials spillage.But the fluorescent tube of glass manufacture is easily damaged, make mercury in glass lamp and other content leaks out, not only harmful, random abandoning more pollutes the environment.In addition, existing annular lamp tube can produce the light source of flicker with the frequency of voltage, the impact that Long-Time Service can cause fatigue, dim eyesight etc. bad on the eyes of people.
Again, the distribution of light sources that existing annular lamp tube produces on whole surface of the light tube, and the lighting back side or towards metope light in fact to illumination without too large help, thus reduce the service efficiency of light.
Described on end, provide a kind of annular lamp tube, there is high-photoelectric transformation efficiency, illumination efficiency, and not containing noxious material in fluorescent tube, need not with glass manufacture, have the advantages such as manufacture, assembling facility and use safety, this is the target that industry is expected to reach.
Summary of the invention
Main purpose of the present invention is to provide a kind of annular lamp tube, and can be arranged in existing lighting, it has the characteristic of pollution-free material, high-photoelectric transformation efficiency and illumination efficiency, and has the features such as manufacture, assembling facility and use safety.
For achieving the above object, the invention provides a kind of annular lamp tube, comprise first circuit board, second circuit board and body, described first circuit board and second circuit board are fixed on the inside of described body, described first circuit board comprises first substrate and is arranged at the multiple light emitting diodes on described first substrate, described second circuit board comprises second substrate and is arranged at the drive circuit on described second substrate, and described drive circuit applies driving and lights described light emitting diode.Described first circuit board forms a circular contour, and the inside along described body extends, and is electrically connected with described second circuit board.Annular lamp tube of the present invention utilizes light emitting diode as light source, so there is no the virose mercuryvapour of tool used in existing annular lamp tube.And there is the advantages such as life-span longer, low power consumption.
Described body comprises the first annular half shell and the second annular half shell, described first annular half shell and described second annular half shell are equipped with interior ring-side wall and outer shroud sidewall, described first annular half shell is provided with snap fit tabs, described second annular half shell is provided with the slot corresponding to described snap fit tabs, and described snap fit tabs engages with described slot, combine described first annular half shell and described second annular half shell is described body.Because body combines with easy snap fit, extra part need not be used to lock, there is the advantages such as manufacture, assembling facility and use safety.
The length of described slot is more than or equal to the length of described snap fit tabs.Therefore, the first annular half shell snap fit tabs can easily be sticked in the slot of the second annular half shell, the slot of the snap fit tabs of the first annular half shell and the second annular half shell can be avoided because of foozle or assembly error, and cannot engage.
Described first annular half shell also comprises multiple snap fit tabs, described second annular half shell also comprises the multiple slots corresponding to described multiple snap fit tabs, described snap fit tabs is arranged at interior ring-side wall and the outer shroud sidewall of described first annular half shell, and described slot relative set is ring-side wall and outer shroud sidewall in described second annular half shell.
The interior ring-side wall of described first annular half shell is mutually equidistant arranges described snap fit tabs, the interior ring-side wall of described second annular half shell is corresponding equidistant arranges described slot, the outer shroud sidewall of described first annular half shell is mutually equidistant arranges described snap fit tabs, and the outer shroud sidewall of described second annular half shell is corresponding equidistant arranges described slot.
Described first annular half shell is provided with the groove and flange that extended along one week of described body, and described groove engages with described first circuit board, and described flange and described first circuit board contact.
Described first annular half shell is provided with positioning convex, and described first circuit board is provided with the positioning recess coordinated with described positioning convex, to locate described first circuit board.
Described second annular half shell is also provided with multiple louvre.Therefore, annular lamp tube of the present invention can not arrange fin, just can meet radiating requirements.
Described light emitting diode is mutually equidistant to be arranged on described first substrate.Depending on size and the optical design of described light emitting diode, suitable adjustment spacing distance, can reach preferably illuminating effect.
Described annular lamp tube comprises multiple described first circuit board, and described multiple first circuit board is sequentially interconnected to form described circular contour.
For foregoing invention object, technical scheme and technique effect can be become apparent, be hereafter also described in detail by reference to the accompanying drawings with detailed description of the invention.
[accompanying drawing explanation]
Below in conjunction with drawings and embodiments, the present invention is further described:
Figure 1A is the exploded perspective view of the annular lamp tube structure of the specific embodiment of the invention;
Figure 1B is the combination schematic diagram of the annular lamp tube structure of the specific embodiment of the invention;
Fig. 1 C is the perspective cross section schematic diagram of the annular lamp tube structure of the specific embodiment of the invention;
Fig. 2 A is the schematic diagram of the first circuit board of the specific embodiment of the invention;
Fig. 2 B is the first circuit board sequentially interconnective schematic diagram of the specific embodiment of the invention;
Fig. 3 A is the perspective cross section schematic diagram that the first annular half shell of the annular lamp tube structure of the specific embodiment of the invention and first circuit board combine;
The thin portion perspective cross section schematic diagram that Fig. 3 B combines for annular half shell of first in circle according to Fig. 3 A and first circuit board;
Fig. 4 is the schematic perspective view of the second annular half shell of the specific embodiment of the invention;
Fig. 5 is the distribution schematic diagram of the snap fit tabs of the specific embodiment of the invention; And
Fig. 6 is the distribution schematic diagram of the slot of the specific embodiment of the invention.
[detailed description of the invention]
Light emitting diode (Light-emitting diode, LED) chemiluminescence source is belonged to, there is life-span longer, low power consumption, without mercury and the not easily advantage such as broken, along with the progress of manufacturing technology and the lifting of luminous efficiency, the characteristic of this pollution-free material and high-photoelectric transformation efficiency, makes it be widely used on lighting use.
First please refer to Figure 1A, 1B and 1C, be depicted as the main element of specific embodiment of the invention annular lamp tube 4.Described annular lamp tube 4 comprises at least one first circuit board 1, second circuit board 2 and a body 3.Second circuit board 2 comprises a second substrate 21 and a drive circuit 22, and drive circuit 22 is arranged on second substrate 21.First circuit board 1 and second circuit board 2 are fixed on the inside 33 of body 3.In the present embodiment, annular lamp tube 4 comprises multiple first circuit board 1.First circuit board 1 is sequentially interconnected, and form a circular contour, the inside 33 along body 3 extends.Described circular contour can be annular profile, oval ring profile, square circular contour and irregular circular contour.Body 3 is made up of the first annular half shell 31 and the second annular half shell 32.
Fig. 2 A is depicted as the structure of any one first circuit board 1.Each first circuit board 1 includes a first substrate 11 and multiple light emitting diode 12.Light emitting diode 12 is spaced and is arranged on first substrate 11.First circuit board 1 and second circuit board 2 are electrically connected, the drive circuit 22 of second circuit board 2, drive the light emitting diode 12 lighting first circuit board 1.
Fig. 2 B is depicted as first circuit board 1 sequentially interconnective schematic diagram, and for convenience of description, annular lamp tube 4 defines an annular center 41.In this embodiment, annular lamp tube 4 is sequentially interconnected by the both ends 14a of four first circuit boards 1 at each first circuit board 1, forms a circular contour 13.In order to reach preferably illuminating effect, light emitting diode 12 arranging density is higher, and the uniformity of illumination is better.The light emitting diode 12 of this detailed description of the invention presents mutually equidistant and close-packed arrays on first substrate 11, to reach highdensity arrangement.In this embodiment, light emitting diode 12 is to arrange with the in fact preferably interval 12a of 3 degree relative to annular center 41.Must illustrate at this, the arrangement pitch 12a of the light emitting diode on first substrate 11 is not limited with 3 degree, the size of visual light emitting diode and optical design, and suitable adjustment spacing distance, to reach preferably illuminating effect.In addition, the shape that first circuit board 1 is formed can according to the demand of the purposes of annular lamp tube 4 and appearance, first circuit board 1 is sequentially interconnected, form the circular contour of various shape, such as oval ring profile, square circular contour or irregular circular contour, in this embodiment and not shown.
Below by the detailed construction of annular for detailed description first half shell 31 and the second annular half shell 32.Fig. 3 A is the broken isometric schematic diagram of the first annular half shell 31; Fig. 3 B is the thin portion broken isometric schematic diagram according to the first annular half shell 31 in circle shown in Fig. 3 A; Fig. 4 is the schematic perspective view of the second annular half shell 32.
As shown in Fig. 3 A and Fig. 3 B, described first annular half shell 31 has an an interior ring-side wall 31a and outer shroud sidewall 31b, and the first annular half shell 31 is provided with at least one snap fit tabs 311.Please refer to Fig. 4, the second annular half shell 32 has an an interior ring-side wall 32a and outer shroud sidewall 32b, and the second annular half shell 32 is provided with at least one slot 321 corresponding at least one snap fit tabs 311.At least one snap fit tabs 311 engages with at least one slot 321, to combine the first annular half shell 31 and the second annular half shell 32 for body 3, as illustrated by figures 1 a and 1b.Wherein, the length of the slot 321 of the second annular half shell 32 is more than or equal in fact the length of the snap fit tabs 311 of the first annular half shell 31.Therefore, the snap fit tabs 311 of the first annular half shell 31 can easily be sticked in the slot 321 of the second annular half shell 32, the slot 321 of the snap fit tabs 311 of the first annular half shell 31 and the second annular half shell 32 can be avoided because of foozle or assembly error, and cannot engage.The those skilled in the art of the art all can easily expect, snap fit tabs 311 and slot 321 are arranged on the contrary respectively the second annular half shell 32 and the first annular half shell 31.
Refer to shown in Fig. 3 A, 3B, multiple snap fit tabs 311 is arranged at interior ring-side wall 31a and the outer shroud sidewall 31b of the first annular half shell 31, and multiple slot 321 correspondence is arranged at interior ring-side wall 32a and the outer shroud sidewall 32b of the second annular half shell 32.
Fig. 5 is the distribution schematic diagram of the snap fit tabs 311 of the first annular half shell 31, and Fig. 6 is the distribution schematic diagram of the slot 321 of the second annular half shell 32.As shown in Figures 5 and 6, the interior ring-side wall 31a of the first annular half shell 31 and outer shroud sidewall 31b mutually equidistant be provided with annular half shell 32 of multiple snap fit tabs 311, second interior ring-side wall 32a and outer shroud sidewall 32b is then corresponding is equidistantly provided with multiple slot 321.
In this embodiment, the interior ring-side wall 31a of the first annular half shell 31 and outer shroud sidewall 31b is each is on average provided with the interior ring-side wall 32a of annular half shell 32 of four snap fit tabs 311, second and outer shroud sidewall 32b is then each accordingly is on average provided with four slots 321.
Furthermore, in this embodiment, the length 311a of the snap fit tabs 311 of the interior ring-side wall 31a of the first annular half shell 31 is arranged at, relative to annular center 41 in fact in 35 degree; Be arranged at the length 321a of the slot 321 of the interior ring-side wall 32a of the second annular half shell 32, relative to annular center 41 in fact in 40 degree, be arranged at the length 311b of the snap fit tabs 311 of the outer shroud sidewall 31b of the first annular half shell 31, relative to annular center 41 in fact in 40 degree; Be arranged at the length 321b of the slot 321 of the outer shroud sidewall 32b of the second annular half shell 32, relative to annular center 41 in fact in 50 degree.It can thus be appreciated that, length 321a, the 321b of the slot 321 of the shown in this detailed description of the invention second annular half shell 32 are in fact all correspondingly more than or equal to length 311a, the 311b of the snap fit tabs 311 of the first annular half shell 31, and therefore the snap fit tabs 311 of the first annular half shell 31 can be sticked in the slot 321 of the second annular half shell 32 easily.The those skilled in the art of the art all can easily expect, the distributed quantity of snap fit tabs 311 and slot 321, length and its angle relative to annular center 41 are not limited with above-mentioned, the contour shape of visual annular lamp tube 4 or size requirements, the number of proper arrangement snap fit tabs 311 and slot 321, be arranged in the first annular half shell 31 and the second annular half shell 32 on ring-side wall 31a, 32a and outer shroud sidewall 31b, 32b respectively on average equidistant mode, to reach firm assembling engaging effect.
Please refer again to Fig. 3 A and Fig. 3 B, below the mode that this detailed description of the invention body 3 and first circuit board 1 combine will be described.In this embodiment, first circuit board 1 and the first annular half shell 31 are fixed.Please refer to Fig. 3 B, for fixing at least one first circuit board 1 in the inside 33 of body 3, body 3 is provided with at least one groove 312 and at least one flange 313 along the extension of the circumference of body 3 on the first annular half shell 31, described groove 312 engages with described first circuit board 1, and described flange 313 and described first circuit board 1 contact.In this embodiment, body 3 is provided with multiple groove 312 and multiple flange 313.Groove 312 is arranged at the outer shroud sidewall 31b of the first annular half shell 31, and flange 313 is arranged at the interior ring-side wall 31a of the first annular half shell 31.In other embodiments, also groove 312 can be arranged at ring-side wall 31a in the first annular half shell 31, and flange 313 is arranged at the outer shroud sidewall 31b of the first annular half shell 31.
On the other hand, in order to locate at least one first circuit board 1 in the position of body 3, at least one first circuit board 1 can not be slided in body 3, body 3 is provided with at least one positioning convex 314 be formed on the first annular half shell 31.Correspondingly coordinated with at least one positioning convex 314 of body 3 by least one positioning recess 14 of at least one first circuit board 1, at least one first circuit board 1 described can be located.In this embodiment, body 3 is provided with multiple positioning convex 314 and coordinates with first circuit board 1.
Each end 14a of each first circuit board 1 is formed with two positioning recess 14.The positioning recess 14 of each end 14a of first circuit board 1, respectively to the corresponding cooperation of positioning convex 314 being formed at ring-side wall 31a and outer shroud sidewall 31b in the first annular half shell 31, to locate first circuit board 1.In this palpus explanation, first circuit board also only can arrange a positioning recess on its edge, correspondingly to coordinate with a positioning convex 314 of ring-side wall 31a or outer shroud sidewall 31b in the first annular half shell 31, be not limited with two positioning recess 14 of the end 14a of first circuit board 1.
Please refer again to Figure 1A and Figure 1B, second circuit board 2 is fixed on the second annular half shell 32.Annular lamp tube 4 is provided with the multiple electrodes 325 be electrically connected with second circuit board 2.Electrode 325 through the second annular half shell 32, and exposes to the inner side 326 of body 3.Therefore, annular lamp tube 4 of the present invention can be arranged on existing lighting, and mounting means is identical with existing annular lamp tube.
The those skilled in the art of the art all can easily expect, groove 312, flange 313 and positioning convex 314 can be formed at the second annular half shell 32 on the contrary, therefore first circuit board 1 can be fixed with the second annular half shell 32, and now second circuit board 2 can be fixed on the first annular half shell 31.
It should be noted that, first circuit board 1 and second circuit board 2 can be metal base printed circuit board (Metal Core PCB, MCPCB), and the heat that the light emitting diode 12 of first circuit board 1 and the drive circuit 22 of second circuit board 2 produce, can only respectively by first substrate 11 and second substrate 21 auxiliary heat dissipation, and can directly through multiple louvres 327 outwards loss of the second annular half shell 32.Therefore, annular lamp tube 4 of the present invention can not arrange fin, just can meet radiating requirements.
In addition, the first annular half shell 31 light-permeable, and the second annular half shell 32 is light tight or printing opacity.The light that light emitting diode 12 produces directly can enter into environment through the first annular half shell 31 of light-permeable.
In addition, because annular lamp tube 4 of the present invention utilizes light emitting diode as light source, body 3 does not need to fill the mercuryvapour that existing annular lamp tube uses, and therefore body 3(comprises the first annular half shell 31 and the second annular half shell 32) can to adopt cheaply and not breakable plastics are made.More because the first annular half shell 31 and the second annular half shell 32 are made of plastics, the first annular half shell 31 and the second annular half shell 32 combine simply by above-mentioned snap fit tabs 311 and slot 321.Again, because body 3 is combined mutually by the first annular half shell 31 and the second annular half shell 32, therefore the intraware first circuit board 1 and second circuit board 2 etc. of annular lamp tube 4 can first be fastened in body 3 easily, again the first annular half shell 31 and the second annular half shell 32 are combined mutually, make the assembly program of annular lamp tube 4 of the present invention quite easy.
In sum, the invention provides a kind of annular lamp tube 4, application light emitting diode 12 is closely aligned into various annular profile as illuminating source, therefore the shape of fluorescent tube has multiple variability, not only can be arranged in existing lighting, its light source produced directly can send entered environment towards exiting surface, to promote photoelectric transformation efficiency and illumination uniformity.In addition, because body combines with easy snap fit, extra part need not be used to lock, there is the advantages such as manufacture, assembling facility and use safety.
Above-mentioned detailed description of the invention, only for illustration of the present invention, explains technical characteristic of the present invention, is not used for limiting the scope of the invention.The equivalent technologies that the those skilled in the art of any the art easily expect all should belong to the scope that the present invention advocates, protection scope of the present invention should be as the criterion with claim.
Claims (8)
1. an annular lamp tube, it is characterized in that: described annular lamp tube comprises first circuit board, second circuit board and body, described first circuit board and second circuit board are fixed on the inside of described body, described first circuit board comprises first substrate and is arranged at the multiple light emitting diodes on described first substrate, described second circuit board comprises second substrate and is arranged at the drive circuit on described second substrate, described drive circuit applies driving and lights described light emitting diode, described first circuit board forms a circular contour, inside along described body extends, and be electrically connected with described second circuit board, described body comprises the first annular half shell and the second annular half shell, described first annular half shell and described second annular half shell are equipped with interior ring-side wall and outer shroud sidewall, described first annular half shell is provided with snap fit tabs, described second annular half shell is provided with the slot corresponding to described snap fit tabs, and described snap fit tabs engages with described slot, combine described first annular half shell and described second annular half shell is described body, described first annular half shell is provided with the groove and flange that extended along one week of described body, described groove engages with described first circuit board, and described flange and described first circuit board contact, second circuit board is fixed on the second annular half shell, and the second annular half shell is provided with through the electrode be electrically connected with described second circuit board on it, and described electrode exposes to the inner side of body.
2. annular lamp tube according to claim 1, is characterized in that, the length of described slot is more than or equal to the length of described snap fit tabs.
3. annular lamp tube according to claim 2, it is characterized in that, described first annular half shell also comprises multiple snap fit tabs, described second annular half shell also comprises the multiple slots corresponding to described multiple snap fit tabs, described snap fit tabs is arranged at interior ring-side wall and the outer shroud sidewall of described first annular half shell, and described slot relative set is ring-side wall and outer shroud sidewall in described second annular half shell.
4. annular lamp tube according to claim 3, it is characterized in that, the interior ring-side wall of described first annular half shell is mutually equidistant arranges described snap fit tabs, the interior ring-side wall of described second annular half shell is corresponding equidistant arranges described slot, the outer shroud sidewall of described first annular half shell is mutually equidistant arranges described snap fit tabs, and the outer shroud sidewall of described second annular half shell is corresponding equidistant arranges described slot.
5. annular lamp tube according to claim 2, is characterized in that, described first annular half shell is provided with positioning convex, and described first circuit board is provided with the positioning recess coordinated with described positioning convex, to locate described first circuit board.
6. annular lamp tube according to claim 2, is characterized in that, described second annular half shell is also provided with multiple louvre.
7. annular lamp tube according to claim 1, is characterized in that, described light emitting diode is mutually equidistant to be arranged on described first substrate.
8. annular lamp tube according to claim 1, is characterized in that, described annular lamp tube comprises multiple described first circuit board, and described multiple first circuit board is sequentially interconnected to form described circular contour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010527640.XA CN102042524B (en) | 2010-11-02 | 2010-11-02 | Annular lighting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010527640.XA CN102042524B (en) | 2010-11-02 | 2010-11-02 | Annular lighting tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042524A CN102042524A (en) | 2011-05-04 |
| CN102042524B true CN102042524B (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010527640.XA Expired - Fee Related CN102042524B (en) | 2010-11-02 | 2010-11-02 | Annular lighting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042524B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107866A (en) * | 2019-06-04 | 2019-08-09 | 常州市百乐斯特照明电器有限公司 | A kind of annular LED lamp with socket type lamp pipe shell |
| CN111895281A (en) * | 2020-08-19 | 2020-11-06 | 深圳市维天科技有限公司 | Lamp fitting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009272263A (en) * | 2008-05-12 | 2009-11-19 | Rohm Co Ltd | Led lamp |
| CN201575354U (en) * | 2009-09-15 | 2010-09-08 | 摩思科技股份有限公司 | LED (light-emitting diode) module |
| CN201589109U (en) * | 2010-01-06 | 2010-09-22 | 刘航湾 | Led lamp tube |
| CN201611031U (en) * | 2010-01-26 | 2010-10-20 | 深圳市通普科技有限公司 | LED annular tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10159682A1 (en) * | 2001-11-30 | 2003-06-26 | Ego Elektro Geraetebau Gmbh | Device for marking an induction coil by lighting |
-
2010
- 2010-11-02 CN CN201010527640.XA patent/CN102042524B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009272263A (en) * | 2008-05-12 | 2009-11-19 | Rohm Co Ltd | Led lamp |
| CN201575354U (en) * | 2009-09-15 | 2010-09-08 | 摩思科技股份有限公司 | LED (light-emitting diode) module |
| CN201589109U (en) * | 2010-01-06 | 2010-09-22 | 刘航湾 | Led lamp tube |
| CN201611031U (en) * | 2010-01-26 | 2010-10-20 | 深圳市通普科技有限公司 | LED annular tube |
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| CN102042524A (en) | 2011-05-04 |
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