CN204477872U - A kind of Vehicular lamp bulb foam structure - Google Patents
A kind of Vehicular lamp bulb foam structure Download PDFInfo
- Publication number
- CN204477872U CN204477872U CN201520200259.0U CN201520200259U CN204477872U CN 204477872 U CN204477872 U CN 204477872U CN 201520200259 U CN201520200259 U CN 201520200259U CN 204477872 U CN204477872 U CN 204477872U
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- Prior art keywords
- lamppost
- fin
- led
- shell
- cell
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Abstract
The utility model relates to automotive lighting field.A kind of Vehicular lamp bulb foam structure, comprise cell-shell, fin, lamppost and LED, LED is suspended in seal chamber by lamppost, fin is connected to the inner of lamppost by insulated shaft, separated with lamppost of fin, LED is installed on fin, the surface of cell-shell is provided with light diffusion layer, the heat radiation gas that molecular weight is less than 18 is filled with in seal chamber, cell-shell and lamppost are all that glass is made, lamppost outer end is provided with the flanging of annular, and lamppost forms seal chamber by flanging with cell-shell sealing by fusing together.The utility model is carried to be had LED and passes to the few and uniform advantage of dispelling the heat of the heat of lamppost, solves existing LED bulb heat dissipation uniformity difference and the heat shed can affect the problem of LED circuit board stability.
Description
Technical field
The utility model relates to automotive lighting field, particularly relates to a kind of Vehicular lamp bulb foam structure.
Background technology
Bulb on automobile has employing LED's.Existing LED bulb is on lamp holder, install the heat transfer body (lamppost) that one end is positioned at cell-shell, and LED is installed in the inner of lamppost.
Be CN101893180A in Chinese patent application publication No., name is called in the patent document of " a kind of LED bulb " and discloses a kind of LED bulb, the driver that bulb in this patent comprises lamp holder, lamp socket, lampshade, radiator and is arranged in radiator, bulb is provided with independently little light-emitting zone, little light-emitting zone is formed with the LED light source component be arranged on independent radiator and reflection shield by being arranged on the independent radiator of radiator away from one end of lamp holder, and lampshade connects on a heat sink and all covered on together by all independently little light-emitting zones.Independently little light-emitting zone in this patent is placed in the top of bulb and is arranged in periphery, and to make light irradiate to surrounding, radiator is between light-emitting zone and lamp holder.
Be CN201636612U at Chinese patent Authorization Notice No., name is called in the patent document of " Novel high-efficiency cooling LED bulb " and also discloses a kind of LED bulb, bulb in this patent comprises the lamp holder and cell-shell that link together, the lamppost that an outer end links together with lamp holder is provided with in cell-shell, lamppost is prismatic, LED be arranged on lamppost be positioned at cell-shell part each on the surface.In order to increase radiating effect, between cell-shell and lamp holder, being provided with ceramic block carrying out auxiliary lamp holder and dispel the heat.
Existing LED bulb is all be similar to version disclosed in above-mentioned two patent documents, have the following disadvantages: heat radiation is all undertaken by lamp holder and lamppost, and lamp holder is connected on light fixture and is positioned at the inside of light fixture attaching parts in actual use, also namely lamp holder is in totally-enclosed or semi-enclosed state, less and the poor fluidity of the air of thermal component periphery of the effective area that thermal component contacts with air, cause the heat-sinking capability of bulb poor, service life is short, the heat that LED produces relies on lamppost to lose, heat can affect the stability of the LED circuit board be installed in lamp holder, heat dissipation uniformity is poor.
Utility model content
The utility model provides a kind of LED and passes to the few and uniform Vehicular lamp bulb foam structure that dispels the heat of the heat of lamppost, solves existing LED bulb heat dissipation uniformity difference and the heat shed can affect the problem of LED circuit board stability.
Above technical problem is solved by following technical proposal: a kind of Vehicular lamp bulb foam structure, comprise cell-shell, lamppost and LED, described cell-shell and lamppost surround seal chamber, described LED is suspended in described seal chamber by described lamppost, it is characterized in that, also comprise the fin being positioned at described cell-shell, described fin is connected to the inner of described lamppost by insulated shaft, described fin is separated with described lamppost, described LED is installed on described fin, the surface of described cell-shell is provided with light diffusion layer, the heat radiation gas that molecular weight is less than 18 is filled with in described seal chamber, described cell-shell and lamppost are all that glass is made, described lamppost outer end is provided with the flanging of annular, described lamppost forms described seal chamber by described flanging with described cell-shell sealing by fusing together." the inner of lamppost " is positioned at the part of cell-shell when referring to that lamppost uses.During use, linked together lamppost outer end with lamp holder, the heat that LED produces passes to the fin rear main heat radiation gas in cell-shell that scatters and disappears out and loses.Supported by adiabatic post due to the separated of fin and lamppost, pass to lamppost lower through the ratio of lamppost dispersed heat, thus avoid heat that LED produces to the impact of LED circuit board.Fin is connected with lamppost by insulated shaft, and amount, simultaneously lamppost that LED heat can either be avoided to pass to lamppost do not affect the heat radiation of LED yet.Dispelled the heat by gas, heat dissipation uniformity is good.The molecular weight of heat radiation gas is less than 18, good heat dissipation effect.Cell-shell surface arranges light diffusion layer, can improve the illumination angle of bulb and bright dipping is soft.By cell-shell and lamppost being designed to together with glass structure and sealing by fusing, good airproof performance, can not leak gas, and the gas making molecular weight be less than 18 is achieved for heat radiation, the little then good heat dissipation effect of molecular weight.
As preferably, the outer end of described lamppost is provided with LED circuit board and installs pit, and described LED circuit board is installed in pit and is provided with the wire linked together with described LED electrical.During use, LED circuit board is arranged on LED circuit board and installs in pit and output links together with wire, can realize the installation of LED circuit board and can also ensure the impact of the heat that LED circuit board does not produce by LED with compact layout.
As preferably, the openend that described LED circuit board installs pit is provided with fillet surface.Convenience LED circuit board be installed to when LED circuit board is installed in pit is good.
As preferably, the angle of the center line of described lamppost and the center line of described fin is less than 15 °.Facilitate when lamppost is assembled together with bulb and the uniformity of the brightness of bulb circumference can be made good.
As preferably, described lamppost outer end is provided with closed tracheae, and described lamppost the inner is provided with the pore be communicated with described tracheae, and the Way out line of described pore is through described fin, and described fin is provided with the relief hole alignd with described pore.Bulb to be vacuumized to bulb by tracheae in producing and is filled with heat radiation gas, and heat radiation gas is populated to be closed tracheae again and forms enclosed construction.It is convenient to inflate when making bulb.Can either ensure that center of gravity and the geometric center of bulb overlap substantially, to prevent bulb to be connected to lamp socket time produce the distortion power along lamp holder axis and cause connecting thread to produce eccentric wear, can avoid again producing loosening of electrical equipment bad phenomenon and mechanical connection to fin to the impulsive force direct projection of air-flow when inflating in cell-shell.
As preferably, the inner projection along lamppost centerline direction of described lamppost is all positioned on described fin, and the inner projected area along lamppost centerline direction of described lamppost is less than the area of described fin.Can ensure fin pierce into cell-shell, again can must be larger by fin area design, fin area greatly then can improve radiating effect.
As preferably, described fin is polygon.Can increasing heat radiation area.
The utility model has following advantage: fin and lamppost separated, and make to pass to lamppost lower through the ratio of lamppost dispersed heat, the heat that LED can be avoided to produce is on the impact of LED circuit board; Fin is connected with lamppost by insulated shaft, and amount, simultaneously lamppost that LED heat can either be avoided to pass to lamppost do not affect the heat radiation of LED yet; Dispelled the heat by gas, heat dissipation uniformity is good; The molecular weight of heat radiation gas is less than 18, good heat dissipation effect; Cell-shell surface arranges light diffusion layer, can improve the illumination angle of bulb and bright dipping is soft; Glass head seal forms annular seal space, good airproof performance.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
In figure: lamppost 1, LED circuit board install pit 11, wire 12, tracheae 13, flanging 14, pore 15, fillet surface 16, fin 2, insulated shaft 21, relief hole 22, LED23, cell-shell 3, light diffusion layer 31, seal chamber 4.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
See Fig. 1, a kind of Vehicular lamp bulb foam structure, comprises lamppost 1, fin 2 and cell-shell 3.
Lamppost 1 is made for glass.The outer end of lamppost 1 is provided with LED circuit board and installs pit 11.The openend that LED circuit board installs pit 11 is provided with fillet surface 16.LED circuit board is installed in pit 11 and is provided with wire 12 and tracheae 13.Lamppost 1 outer end is provided with the flanging 14 of annular.Lamppost 1 the inner is provided with the pore 15 that same tracheae 13 is communicated with.The outer end of tracheae 13 is closed.
Fin 2 is polygon.The center line of lamppost 1 and the angle of the center line of fin 2 be 0 ° also namely parallel, in the present embodiment for overlap.Fin 2 is separated with lamppost 1.The side of fin 2 is linked together by insulated shaft 21 the inner with lamppost 1.In the present embodiment, insulated shaft 21 is made up of two bodies of rod.The Way out line of pore 15 is through fin 2, and in the present embodiment, the Way out line of pore 15 is the center line of lamppost 1.Fin 2 is provided with the relief hole 22 of same pore 15 alignment.Lamppost 1 the inner centrally in line direction and figure A to projection be all positioned on fin 2.The projected area in centrally line direction, lamppost 1 the inner is less than the area of fin 1.Fin 2 is provided with LED23 away from the side of lamppost.LED23 is electrically connected with wire 12.
Cell-shell 3 is made for glass.The outer surface of cell-shell 3 is provided with light diffusion layer 31.Cell-shell 3 and flanging 14 are sealed connected together by the mode of glass melting welding and form seal chamber 4.The inner of lamppost 1 is arranged in seal chamber 4 and makes LED23 be suspended at seal chamber 4.The heat radiation gas that molecular weight is less than 18 is filled with in seal chamber 4.
When the utility model makes, be bleed by tracheae 13 to seal chamber 4 and be inflated to meet the requirements, then tracheae 13 blocked and just make tracheae 13 be enclosed construction.During use, LED circuit board is arranged on LED circuit board and installs in pit 11 and to be electrically connected with wire 12.Finally link together with lamp holder.
Do not draw in the embodiment of figure at another, the angle of the center line of lamppost and the center line of fin is 15 °.
Claims (7)
1. a Vehicular lamp bulb foam structure, comprise cell-shell, lamppost and LED, described cell-shell and lamppost surround seal chamber, described LED is suspended in described seal chamber by described lamppost, it is characterized in that, also comprise the fin being positioned at described cell-shell, described fin is connected to the inner of described lamppost by insulated shaft, described fin is separated with described lamppost, described LED is installed on described fin, the surface of described cell-shell is provided with light diffusion layer, the heat radiation gas that molecular weight is less than 18 is filled with in described seal chamber, described cell-shell and lamppost are all that glass is made, described lamppost outer end is provided with the flanging of annular, described lamppost forms described seal chamber by described flanging with described cell-shell sealing by fusing together.
2. Vehicular lamp bulb foam structure according to claim 1, is characterized in that, the outer end of described lamppost is provided with LED circuit board and installs pit, and described LED circuit board is installed in pit and is provided with the wire linked together with described LED electrical.
3. Vehicular lamp bulb foam structure according to claim 2, is characterized in that, the openend that described LED circuit board installs pit is provided with fillet surface.
4. the Vehicular lamp bulb foam structure according to claim 1 or 2 or 3, is characterized in that, the angle of the center line of described lamppost and the center line of described fin is less than 15 °.
5. Vehicular lamp bulb foam structure according to claim 4, it is characterized in that, described lamppost outer end is provided with closed tracheae, described lamppost the inner is provided with the pore be communicated with described tracheae, the Way out line of described pore is through described fin, and described fin is provided with the relief hole alignd with described pore.
6. Vehicular lamp bulb foam structure according to claim 5, it is characterized in that, the inner projection along lamppost centerline direction of described lamppost is all positioned on described fin, and the inner projected area along lamppost centerline direction of described lamppost is less than the area of described fin.
7. Vehicular lamp bulb foam structure according to claim 6, is characterized in that, described fin is polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200259.0U CN204477872U (en) | 2015-04-03 | 2015-04-03 | A kind of Vehicular lamp bulb foam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200259.0U CN204477872U (en) | 2015-04-03 | 2015-04-03 | A kind of Vehicular lamp bulb foam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477872U true CN204477872U (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200259.0U Expired - Fee Related CN204477872U (en) | 2015-04-03 | 2015-04-03 | A kind of Vehicular lamp bulb foam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204477872U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240771A (en) * | 2015-11-10 | 2016-01-13 | 苏州汉克山姆照明科技有限公司 | LED automobile tail lamp |
-
2015
- 2015-04-03 CN CN201520200259.0U patent/CN204477872U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240771A (en) * | 2015-11-10 | 2016-01-13 | 苏州汉克山姆照明科技有限公司 | LED automobile tail lamp |
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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 |
Granted publication date: 20150715 Termination date: 20160403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |