CN205859948U - A kind of LED - Google Patents
A kind of LED Download PDFInfo
- Publication number
- CN205859948U CN205859948U CN201620221144.4U CN201620221144U CN205859948U CN 205859948 U CN205859948 U CN 205859948U CN 201620221144 U CN201620221144 U CN 201620221144U CN 205859948 U CN205859948 U CN 205859948U
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- CN
- China
- Prior art keywords
- led
- substrate
- lampshade
- heat dissipation
- 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.)
- 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 discloses a kind of LED, including lampshade, described lampshade has inner chamber, described inner chamber is provided with LED light source component, described LED light source component includes substrate and some LED lamp bead, described substrate is fixed on described inner chamber, and described inner chamber is divided into heat dissipation cavity and the reflection cavity of bottom on top, described LED lamp bead is arranged on the described substrate side near described reflection cavity, the intercommunicating pore for connecting described heat dissipation cavity and described reflection cavity is offered on described substrate, described reflection cavity has light-emitting window, it is provided with light-passing board at described light-emitting window, air inlet is offered on described light-passing board, the venthole for described heat dissipation cavity being in communication with the outside is offered on described lampshade.Arranged by above-mentioned structure, make LED of the present utility model have more preferably radiating effect.
Description
Technical field
This utility model relates to lighting field, particularly relates to a kind of LED.
Background technology
The problem the most effectively carrying out about LED dispelling the heat, the most all annoyings the technical staff in industry.Existing
LED generally comprises lampshade, is provided with LED light source component in lampshade, and LED light source component includes substrate and some LED lamp bead,
The top of lampshade inwall is close to by substrate, and LED lamp bead is then fixed on substrate.When LED lamp bead luminescence, LED lamp bead is produced
Heat conduct to lampshade through substrate, then through lampshade to external diffusion, it is achieved the heat radiation of LED lamp bead.But due in substrate and lampshade
The top of wall is close to, and during heat conducts, more the closer to the heat being close to place, i.e. temperature is higher, thus causes LED
Temperature around lamp bead is higher, affects the service life of LED lamp bead.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of LED, and this LED has more preferably
Radiating effect.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of LED, including lampshade, described lampshade has inner chamber, and described inner chamber is provided with LED light source component, described LED
Light source assembly includes substrate and some LED lamp bead, and described substrate is fixed on described inner chamber, and described inner chamber is divided into top
Heat dissipation cavity and the reflection cavity of bottom, described LED lamp bead is arranged on the described substrate side near described reflection cavity, described substrate
On offer the intercommunicating pore for connecting described heat dissipation cavity and described reflection cavity, described reflection cavity has light-emitting window, described in go out light
Be provided with light-passing board at Kou, described light-passing board offer air inlet, described lampshade offers for by described heat dissipation cavity with
The venthole of extraneous connection.
It is provided with dust-proof air ventilation net at described air inlet and described venthole.
Described substrate card is tightly fixed in described lampshade.
Described light-passing board is sealingly disposed in described light-emitting window.
Described substrate is aluminium base.
The beneficial effects of the utility model are: 1, by substrate the inner chamber of lampshade is divided into top heat dissipation cavity and under
The reflection cavity in portion, and LED lamp bead is arranged on the substrate side near reflection cavity, when LED lamp bead luminescence, light passes through reflector
Reflection, the light-passing board at light-emitting window outwardly projects, it is achieved the illumination of LED；The heat that LED lamp bead sends is through base
Plate conducts to heat dissipation cavity, and heat spreads rapidly in heat dissipation cavity, and conducts to lampshade using the inwall of heat dissipation cavity as conducting surface,
Outwardly spread on lampshade, make heat excessively to concentrate on around LED lamp bead, significantly reduce heat to LED
The impact of pearl, extends the service life of LED lamp bead.Further, above-mentioned structure is arranged, inwall in addition to substrate in heat dissipation cavity
Being conducting surface, the heat making conducting surface have in wider array of conduction surface, beneficially heat dissipation cavity is rapidly transferred to lampshade, further
The effect of heat radiation.2, arranged by above-mentioned structure, successively by air inlet, reflection cavity, intercommunicating pore, heat dissipation cavity and give vent to anger
Hole constitutes the heat dissipation channel of LED；When LED illuminates, extraneous cold air flows in heat dissipation channel from air inlet, and heat radiation is logical
Hot-air in road i.e. from venthole flow out, formed air convection current, make the heat in LED can follow air to the flow direction
Extraneous diffusion；Further, the air of convection current can be through the lower section (reflection cavity) of substrate, through substrate (intercommunicating pore) and through substrate
Top (heat dissipation cavity), it is achieved that the comprehensive heat radiation inside and outside substrate, form effective substrate cooling system, promptly by substrate
On heat take away, make LED light fixture have more preferably radiating effect.3, when air inlet longitudinally staggers with intercommunicating pore, from air inlet
Leaked-in air can be stopped by substrate, and flows in reflection cavity, effectively enhances air flowing in reflection cavity
Property, it is ensured that heat can be taken away by air.Similarly, when intercommunicating pore longitudinally staggers with venthole, from intercommunicating pore leaked-in air
Can be stopped by lampshade, and be flowed in heat dissipation cavity, be effectively enhanced air mobility in heat dissipation cavity, it is ensured that air
Heat can be taken away.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of LED of the present utility model.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
With reference to Fig. 1, a kind of LED, including lampshade 1, described lampshade 1 has inner chamber 11, and described inner chamber 11 is provided with LED light
Source component 2, described LED light source component 2 includes that substrate 21 and some LED lamp bead 22, described substrate 21 are fixed on described inner chamber
11, and described inner chamber 11 is divided into heat dissipation cavity 111 and the reflection cavity 112 of bottom on top, described LED lamp bead 22 is arranged on institute
State the substrate 21 side near described reflection cavity 112, described substrate 21 offers for connecting described heat dissipation cavity 111 with described
The intercommunicating pore 23 of reflection cavity 112, described reflection cavity 112 has light-emitting window 113, is provided with light-passing board 3 at described light-emitting window 113,
Offer air inlet 31 on described light-passing board 3, described lampshade 1 offers for described heat dissipation cavity 111 is in communication with the outside
Venthole 12.
1, by substrate, the inner chamber of lampshade is divided into heat dissipation cavity and the reflection cavity of bottom on top, and LED lamp bead is arranged
At substrate near the side of reflection cavity, when LED lamp bead luminescence, the light reflection by reflector, at light-emitting window
Light-passing board outwardly projects, it is achieved the illumination of LED；The heat that LED lamp bead sends through substrate conduction in heat dissipation cavity, heat in
Spread rapidly in heat dissipation cavity, and conduct to lampshade as conducting surface using the inwall of heat dissipation cavity, outwardly spread on lampshade, make
Heat will not excessively concentrate on around LED lamp bead, significantly reduces the heat impact on LED lamp bead, extends LED lamp bead
Service life.Further, above-mentioned structure is arranged, and in heat dissipation cavity, the inwall in addition to substrate is conducting surface, makes conduction mask
The heat in wider array of conduction surface, beneficially heat dissipation cavity is had to be rapidly transferred to lampshade, the effect of further heat radiation.
2, arranged by above-mentioned structure, be made up of air inlet, reflection cavity, intercommunicating pore, heat dissipation cavity and venthole successively
The heat dissipation channel of LED；When LED illuminates, extraneous cold air flows in heat dissipation channel from air inlet, in heat dissipation channel
Hot-air i.e. flows out from venthole, forms the convection current of air, and the convection current making the heat in LED can follow air is outwardly expanded
Dissipate；Further, the air of convection current can be through the lower section (reflection cavity) of substrate, through substrate (intercommunicating pore) and through the top of substrate
(heat dissipation cavity), it is achieved that the comprehensive heat radiation inside and outside substrate, forms effective substrate cooling system, promptly by the heat on substrate
Amount is taken away, and makes LED have more preferably radiating effect.
3, when air inlet longitudinally staggers with intercommunicating pore, can be stopped by substrate from air inlet leaked-in air, and in
In reflection cavity, flowing, effectively enhances air mobility in reflection cavity, it is ensured that heat can be taken away by air.Similarly,
When intercommunicating pore longitudinally staggers with venthole, can be stopped by lampshade from intercommunicating pore leaked-in air, and be flowed in heat dissipation cavity
Dynamic, effectively enhance air mobility in heat dissipation cavity, it is ensured that heat can be taken away by air.
As preferred embodiment of the present utility model, described air inlet 31 longitudinally staggers with described intercommunicating pore 23；Described company
Through hole 23 longitudinally staggers with described venthole 12.Specifically, described air inlet 31 is arranged on the middle part of described light-passing board 3, described
Intercommunicating pore 23 is arranged on the sidepiece of described substrate 21, and described venthole 12 is arranged on the middle part of described lampshade 1.
In the present embodiment, it is provided with dust-proof air ventilation net 4 at described air inlet 31 and described venthole 12, it is ensured that enter
While pore and venthole can be ventilated, additionally it is possible to be effectively prevented the external object such as mosquito, dust and enter into LED
In, it is ensured that LED can normally be operated.Further, LED is also made to have more preferably outward appearance.
In the present embodiment, described substrate 21 card is tightly fixed in described lampshade 1, simple in construction, it is simple to install.Wherein, institute
Stating substrate 21 is aluminium base, makes LED of the present utility model have more preferably radiating effect.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (7)
1. a LED, it is characterised in that including that lampshade (1), described lampshade (1) have inner chamber (11), described inner chamber (11) sets
Being equipped with LED light source component (2), described LED light source component (2) includes substrate (21) and some LED lamp bead (22), described substrate
(21) it is fixed on described inner chamber (11), and described inner chamber (11) is divided into heat dissipation cavity (111) and the reflection cavity of bottom on top
(112), described LED lamp bead (22) is arranged on the described substrate (2) side near described reflection cavity (112), described substrate (21)
On offer the intercommunicating pore (23) for connecting described heat dissipation cavity (111) and described reflection cavity (112), described reflection cavity (112)
Having light-emitting window (113), described light-emitting window (113) place is provided with light-passing board (3), and described light-passing board offers air inlet on (3)
(31), described lampshade (1) offers the venthole (12) for described heat dissipation cavity (111) being in communication with the outside.
LED the most according to claim 1, it is characterised in that described air inlet (31) is with described intercommunicating pore (23) longitudinally
Stagger.
LED the most according to claim 1, it is characterised in that described intercommunicating pore (23) is with described venthole (12) longitudinally
Stagger.
4. according to the LED described in any one of claims 1 to 3, it is characterised in that described air inlet (31) is arranged on described
The middle part of tabula rasa (3), described intercommunicating pore (23) is arranged on the sidepiece of described substrate (21), and described venthole (12) is arranged on described
The middle part of lampshade (1).
5. according to the LED described in any one of claims 1 to 3, it is characterised in that described air inlet (31) and described in give vent to anger
Hole (12) place is provided with dust-proof air ventilation net (4).
6. according to the LED described in any one of claims 1 to 3, it is characterised in that described substrate (21) card is tightly fixed on described
In lampshade (1).
7. according to the LED described in any one of claims 1 to 3, it is characterised in that described substrate (21) is aluminium base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221144.4U CN205859948U (en) | 2016-03-16 | 2016-03-16 | A kind of LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620221144.4U CN205859948U (en) | 2016-03-16 | 2016-03-16 | A kind of LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859948U true CN205859948U (en) | 2017-01-04 |
Family
ID=57643099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620221144.4U Expired - Fee Related CN205859948U (en) | 2016-03-16 | 2016-03-16 | A kind of LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167786A (en) * | 2017-12-25 | 2018-06-15 | 铜陵迈维电子科技有限公司 | A kind of LED startup power supplies of high temperature-proof |
-
2016
- 2016-03-16 CN CN201620221144.4U patent/CN205859948U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167786A (en) * | 2017-12-25 | 2018-06-15 | 铜陵迈维电子科技有限公司 | A kind of LED startup power supplies of high temperature-proof |
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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: 20170104 Termination date: 20170316 |