CN204573918U - A kind of LED light-guiding pillar - Google Patents
A kind of LED light-guiding pillar Download PDFInfo
- Publication number
- CN204573918U CN204573918U CN201520104456.2U CN201520104456U CN204573918U CN 204573918 U CN204573918 U CN 204573918U CN 201520104456 U CN201520104456 U CN 201520104456U CN 204573918 U CN204573918 U CN 204573918U
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- China
- Prior art keywords
- shaft
- guiding pillar
- seat
- led light
- cavity
- 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.)
- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a kind of LED light-guiding pillar, comprise mounting base and shaft, the inner of shaft is connected with mounting base, described shaft is provided with at least one for arranging the installed surface of LED lamp bead and LED lamp panel, shaft inside is provided with shaft cavity, shaft is positioned at one end of mounting base for inner, and its other end is outer end; Shaft the inner is provided with the air admission hole being communicated with shaft cavity, and its outer end is provided with the venthole being communicated with shaft cavity.Compared with prior art, LED light-guiding pillar perfect heat-dissipating of the present utility model, cost of manufacture are low, and have good focusing, reflection and guide effect to the light of the LED lamp bead that its shaft is arranged.
Description
Technical field
The utility model belongs to the guide-lighting technical field of LED light source, relates to a kind of LED light-guiding pillar.
Background technology
Light-guiding pillar be exactly by light with minimum loss from a light sources transmit to apart from this light source certain distance another point device.Light-guiding pillar internal light be rely on total internal reflection transmission.Light-guiding pillar normally adopts optical material to make, as: acrylic resin, Merlon, epoxy resin and glass.In LED, light-guiding pillar is used for focusing on and guiding the light transmission of LED lamp bead, to improve intensity of illumination; In addition, light-guiding pillar can also be used to show relevant state by the optical transport of LED on PCB to products panel, also can assemble and guide light to be used as the backlight of LCD display, also can be used for illuminating the pattern on through mode window simultaneously.
Because light-guiding pillar directly contacts with LED lamp bead, when LED lamp bead luminescence uses, the very high heat that LED lamp bead is produced by luminescence, and these heats are delivered to light-guiding pillar can not distribute in time and give vent to anger, often cause LED lamp panel local temperature too high, damage lamp pearl and lamp plate, even cause the potential safety hazards such as on fire.At present, LEDbulb lamp common on market, because its cost is low, does not often consider light-guiding pillar heat dissipation problem, therefore often occurs the situation that above-mentioned lamp pearl burns out, and is never well solved.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, a kind of LED light-guiding pillar of perfect heat-dissipating is proposed, while this light-guiding pillar perfect heat-dissipating, cost of manufacture is low, therefore be suitable for use in very much in the LEDbulb lamp of low cost, be also applicable to other LED component to improve its performance and life-span and to reduce cost of manufacture simultaneously.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of LED light-guiding pillar, comprise mounting base and shaft, the inner of shaft is connected with mounting base, described shaft is provided with at least one for arranging the installed surface of LED lamp bead and LED lamp panel, shaft inside is provided with shaft cavity, and shaft is positioned at one end of mounting base for inner, and its other end is outer end; Shaft the inner is provided with the air admission hole being communicated with shaft cavity, and its outer end is provided with the venthole being communicated with shaft cavity.Wherein, LED lamp bead is installed in LED lamp panel, and LED lamp panel is connected mutually by syndeton and light-guiding pillar shaft again, thus makes LED lamp bead be positioned at installed surface side.
Above air admission hole is all communicated with surrounding air with venthole, when LED lamp bead is luminous, the heat that lamp pearl produces is delivered to light-guiding pillar shaft, by the air heat in shaft cavity, these are up flowed by the air heated and flow out from venthole, and meanwhile, cold air will flow in shaft cavity from air admission hole, thus define the air draught of light-guiding pillar shaft cavity, thermolysis is played to light-guiding pillar.Compared with prior art, this light-guiding pillar utilizes aerodynamic principle, dispels the heat to himself, perfect heat-dissipating, contribute to the service life of improving LED lamp panel and LED lamp bead, and the cost of manufacture of this light-guiding pillar is low.
As a kind of preferential scheme, above-mentioned installed surface is provided with a notch, and this notch is communicated with shaft cavity.When LED lamp panel is installed on inside installed surface, the LED lamp bead be positioned on lamp plate extends outside installed surface by this notch, and now lamp plate dorsal part directly contacts with the air in shaft cavity; When LED lamp panel is installed on outside installed surface, the effect of this notch is the object contacted with the air in shaft cavity to reach LED lamp panel dorsal part; Or LED lamp panel embeds and is installed in notch, and makes the outside of LED lamp bead towards installed surface of its side, now also form the state that lamp plate dorsal part directly contacts with the air in shaft cavity.No matter which kind of mounting means above-mentioned, after installing LED lamp panel, the back side of this LED lamp panel directly contacts with the air in shaft cavity, thus at LED post adstante febre, the air flowed in light-guiding pillar internal cavities also can directly dispel the heat to LED lamp panel, and radiating effect is better.
Preferably, the outer end of shaft is tapered, and described venthole is provided with more than two and annular is distributed on the conical surface of the outer end of shaft.Multiple venthole contributes to improving the dynamic uniformity of shaft inner chamber air flow, and tapering point contributes to the transmission of light, can not produce shade.
Preferably, above-mentioned mounting base is stepped, and it comprises the first rank seat and the second-order seat of stacked setting, and the first rank seat is positioned at guide-lighting styletable tail, and second-order seat is connected with the inner of shaft; The external diameter of above-mentioned shaft, second-order seat and the first rank seat three increases successively, and the external diameter difference of second-order seat and shaft is less than the external diameter difference of the first rank seat and second-order seat; This mounting base has the base cavity of inside and outside both ends open, base cavity and shaft cavity connects.The external diameter of the first rank seat is maximum, and therefore the upper surface of the first rank seat can play reflex to the light transferring to light-guiding pillar tail end, and is reflected back light-guiding pillar front end, thus improves result of use.The mounting base of this kind of structure, its mounting means is preferably: the madial wall lower end of described first rank seat is provided with installation screw thread.
About the design of shaft profile, because the transmission of shaft to light plays direct impulse and has focussing force to light, therefore shaft profile according to actual conditions can preferably following two kinds be:
When shaft is provided with an installed surface, also comprise several transition faces, the outer surface of described shaft is spliced around forming one by one by installed surface and whole transition faces, and the stitching portion on the two sides that is connected is convex or recess.The transition face that this place refers to, can be any one of plane, curved surface or arc surface, also can be that plane, curved surface or arc surface are two or more arbitrarily.
When shaft is provided with more than two installed surfaces, also comprise several transition faces, the outer surface of described shaft splices around forming by whole installed surfaces and whole transition faces one by one, and installed surface and transition face interval are arranged, and the stitching portion of two adjacent surfaces is convex or recess.The same, the transition face that this place refers to, can be any one of plane, curved surface or arc surface, also can be that plane, curved surface or arc surface are two or more arbitrarily.
Preferably, the outside of described second-order seat is provided with the cancave cambered surface tilted from inside to outside in the position that installed surface is just right, and the upper surface of described first rank seat tilts from inside to outside and is fluctuating shape structure.Now, the light of reflection evenly, there will not be bright spot.
Accompanying drawing explanation
Fig. 1 is the stereogram of LED light-guiding pillar of the present utility model;
Fig. 2 is the sectional view of LED light-guiding pillar of the present utility model;
Fig. 3 is the stereogram of LED light-guiding pillar of the present utility model;
Fig. 4 is the convex schematic diagram in two surperficial stitching portions;
Fig. 5 is the recessed schematic diagram in two surperficial stitching portions.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described further:
See Fig. 1, LED light-guiding pillar of the present utility model, comprise mounting base 2 and shaft 1, the inner b of shaft is connected with mounting base 2, described shaft 1 is provided with at least one for arranging the installed surface 11 of LED lamp bead and LED lamp panel, shaft inside is provided with shaft cavity 10, and the inner b of shaft is provided with the air admission hole 102 being communicated with this shaft cavity 10, and its outer end a is provided with the venthole 101 being communicated with this shaft cavity 11.
See Fig. 1-3, described installed surface 11 is provided with a notch 111, and this notch 111 is communicated with shaft cavity 10.The outer end a of described shaft 1 is tapered, and described venthole 101 is provided with more than two and annular is distributed on the conical surface of outer end a of shaft 1.Described mounting base 2 is stepped, and it comprises the first rank seat 21 and the second-order seat 22 of stacked setting, and second-order seat 22 is connected with the inner b of shaft 1; The external diameter (d3, d2, d1) of shaft 1, second-order seat 22 and the first rank seat 21 three increases successively, and second-order seat 22 and the external diameter difference (d2-d3) of shaft 1 are less than the external diameter difference (d1-d2) of the first rank seat 21 and second-order seat 22; This mounting base 2 has the base cavity 20 of inside and outside both ends open, and base cavity 20 is communicated with shaft cavity 10.The madial wall lower end of described first rank seat 21 is provided with installs screw thread 23.
See Fig. 1-5, shaft 1 is provided with an installed surface 11, also comprise several transition faces 12, the outer surface of described shaft 1 splices around forming by installed surface 11 and whole transition faces 12 one by one, and convex (the e place see Fig. 4) that the stitching portion of two adjacent surfaces has, recessed (the f place see Fig. 5) that have.
Another structure of the utility model shaft is: shaft 1 is provided with more than two installed surfaces 11, also comprise several transition faces 12, the outer surface of described shaft 1 splices around forming by whole installed surfaces 11 and whole transition faces 12 one by one, installed surface 11 and transition face 12 interval are arranged, and convex (the e place see Fig. 4) that the stitching portion of two adjacent surfaces has, recessed (the f place see Fig. 5) that have.
The outside of described second-order seat 22 is provided with the cancave cambered surface 221 tilted from inside to outside in the position that installed surface 11 is just right, the upper surface 211 of described first rank seat 21 tilts from inside to outside and is fluctuating shape.
LED light-guiding pillar of the present utility model, shaft inside is provided with cavity, and the air flowed in cavity can be utilized to dispel the heat to light-guiding pillar during the work of lamp pearl, but also can directly dispel the heat to LED lamp panel, good heat dissipation effect, and structure is simple, cost of manufacture is low; The structure of mounting base and shaft all has fine auxiliaring effect to the focusing of light, guide and reflection in addition.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (8)
1. a LED light-guiding pillar, comprise mounting base and shaft, the inner of shaft is connected with mounting base, described shaft is provided with at least one for arranging the installed surface of LED lamp bead and LED lamp panel, it is characterized in that, shaft inside is provided with shaft cavity, and the inner of shaft is provided with the air admission hole being communicated with shaft cavity, and the outer end of shaft is provided with the venthole being communicated with shaft cavity.
2. a kind of LED light-guiding pillar according to claim 1, is characterized in that, described installed surface is provided with a notch, and this notch is communicated with shaft cavity.
3. a kind of LED light-guiding pillar according to claim 1 and 2, it is characterized in that, the outer end of described shaft is tapered, and described venthole is provided with more than two and annular is distributed on the conical surface of the outer end of shaft.
4. a kind of LED light-guiding pillar according to claim 1 and 2, it is characterized in that, described mounting base is stepped, and it comprises the first rank seat and the second-order seat of stacked setting, and second-order seat is connected with the inner of shaft; The external diameter of described shaft, second-order seat and the first rank seat three increases successively, and the external diameter difference of second-order seat and shaft is less than the external diameter difference of the first rank seat and second-order seat; This mounting base has the base cavity of inside and outside both ends open, base cavity and shaft cavity connects.
5. a kind of LED light-guiding pillar according to claim 4, is characterized in that, the madial wall lower end of described first rank seat is provided with installation screw thread.
6. a kind of LED light-guiding pillar according to claim 4, it is characterized in that, described shaft is provided with an installed surface, also comprise several transition faces, the outer surface of described shaft is spliced around forming one by one by installed surface and whole transition faces, and the stitching portion of two adjacent surfaces is convex or recess.
7. a kind of LED light-guiding pillar according to claim 4, it is characterized in that, described shaft is provided with more than two installed surfaces, also comprise several transition faces, the outer surface of described shaft splices around forming by installed surface and transition face one by one, installed surface and transition face interval are arranged, and the stitching portion of two adjacent surfaces is convex or recess.
8. a kind of LED light-guiding pillar according to claim 6 or 7, is characterized in that, the outside of described second-order seat is provided with the cancave cambered surface tilted from inside to outside in the position that installed surface is just right, and the upper surface of described first rank seat tilts from inside to outside and is fluctuating shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104456.2U CN204573918U (en) | 2015-02-11 | 2015-02-11 | A kind of LED light-guiding pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104456.2U CN204573918U (en) | 2015-02-11 | 2015-02-11 | A kind of LED light-guiding pillar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573918U true CN204573918U (en) | 2015-08-19 |
Family
ID=53866547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104456.2U Expired - Fee Related CN204573918U (en) | 2015-02-11 | 2015-02-11 | A kind of LED light-guiding pillar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573918U (en) |
-
2015
- 2015-02-11 CN CN201520104456.2U patent/CN204573918U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200211 |