CN107448917A - A kind of light fixture - Google Patents
A kind of light fixture Download PDFInfo
- Publication number
- CN107448917A CN107448917A CN201710671923.3A CN201710671923A CN107448917A CN 107448917 A CN107448917 A CN 107448917A CN 201710671923 A CN201710671923 A CN 201710671923A CN 107448917 A CN107448917 A CN 107448917A
- Authority
- CN
- China
- Prior art keywords
- light fixture
- luminescence unit
- accommodation space
- heat conduction
- housing
- 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.)
- Pending
Links
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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention relates to a kind of light fixture; it includes housing and luminescence unit; the housing printing opacity and be sealing structure; formed with accommodation space in the housing; the luminescence unit is accommodated in the accommodation space; the luminescence unit lights under the function of current, filled with protective gas in the accommodation space, contains heat conduction particle in the protective gas.Light fixture provided in an embodiment of the present invention, the luminous efficiency of light fixture can be effectively improved, and the structure of light fixture will not be made to become very complicated.
Description
Technical field
The present invention relates to field of lighting devices, more particularly to a kind of light fixture.
Background technology
In field of light fittings, how to improve the luminous efficiency of light fixture is the problem of those skilled in the art are studying always.It is existing
Have in technology, those skilled in the art generally lift the luminous efficiency of light fixture by lifting the heat dispersion of light fixture.To light fixture
The means to be radiated are usually to increase thermal component in the installation position of luminescence unit, or coating dissipates on the surface of light fixture
The coating of good in thermal property.But the structure of the light fixture of both modes is all more complicated, cost is higher.
The content of the invention
Based on the deficiencies in the prior art, the technical problem to be solved in the invention is to provide a kind of high lamp of luminous efficiency
Tool.
A kind of light fixture of the embodiment of the present invention, it includes housing and luminescence unit, the housing printing opacity and be sealing structure, institute
State and be accommodated in housing formed with accommodation space, the luminescence unit in the accommodation space, the luminescence unit is made in electric current
With lower luminous, filled with protective gas in the accommodation space, contain heat conduction particle in the protective gas.
Preferably, the luminescence unit is LED luminescence units or filament.
Preferably, the light fixture is fluorescent lamp.
Preferably, the protective gas includes the one or more of nitrogen, helium, argon gas, xenon or halogen gas.
Preferably, concentration of the heat conduction particle in the protective gas is 0.001-10mg/cm3, it is further excellent
Selection of land is 0.01-3mg/cm3。
Preferably, the average grain diameter of the heat conduction particle is 0.01-100 microns, is further preferably 0.1-10 microns.
Preferably, the heat conduction particle includes graphite or graphene.
Preferably, the heat conduction particle includes boron nitride, aluminium nitride, copper, aluminium or silver.
Preferably, the thermal conductivity factor of the heat conduction particle is in 100-6000W/m*Between K, further preferably in 150-
5000W/m*Between K.
On the other hand the embodiment of the present invention provides a kind of light fixture, it includes housing and luminescence unit, the housing printing opacity and
For sealing structure, the housing is interior to be accommodated in the accommodation space formed with accommodation space, the luminescence unit, described luminous
Unit lights under the function of current, filled with protective gas in the accommodation space, contains graphite in the protective gas
Grain or graphene particles.
Light fixture provided in an embodiment of the present invention, the luminous efficiency of light fixture can be effectively improved, and the knot of light fixture will not be made
Structure becomes very complicated.
The invention will now be described in detail with reference to the accompanying drawings, its as part of this specification, illustrates this by embodiment
The principle of invention, other aspects of the present invention, feature and its advantage will be become apparent by the detailed description.
Brief description of the drawings
Fig. 1 is the structural representation of the light fixture of first embodiment of the invention.
Fig. 2 is the structural representation of the light fixture of second embodiment of the invention.
Fig. 3 is the structural representation of the light fixture of third embodiment of the invention.
Embodiment
In order that goal of the invention, technical scheme and its technique effect of the present invention become apparent from, below in conjunction with accompanying drawing and tool
The present invention is described in detail for body embodiment.It should be appreciated that the embodiment described in this specification is only
It is to explain the present invention, is not intended to limit the present invention.
Fig. 1 to Fig. 3 is refer to, the embodiment of the present invention provides a kind of light fixture, and it includes housing 10 and luminescence unit 20, housing
10 printing opacities and be sealing structure, are accommodated in accommodation space in housing 10 formed with accommodation space, luminescence unit 20.Housing 10 is excellent
Choosing is made of glass.Luminescence unit 20 can be connected with external circuit, be lighted under the function of current, what luminescence unit 20 was sent
Light passes through housing 10, externally provides illumination.Filled with protective gas in accommodation space, contain heat conduction particle in protective gas
30.Heat conduction particle 30 can conduct heat caused by luminescence unit 20, and the luminous efficiency of light fixture is obtained effectively
Lifting.And the technical scheme will not make the structure of light fixture become very complicated.
Fig. 1 is refer to, in a preferred embodiment, the luminescence unit 20 is LED luminescence units.In this embodiment, the lamp
Tool is specially LEDbulb lamp.LED luminescence units are very sensitive to temperature, and its temperature is higher, and luminous efficiency is lower, therefore by leading
Hot particle 30 can conduct heat caused by LED luminescence units, the temperature of LED luminescence units be reduced, so as to lift it
Luminous efficiency.
Fig. 2 is refer to, in a preferred embodiment, the luminescence unit 20 is filament.The light fixture is specifically as follows incandescent lamp, should
Luminescence unit 20 can be tungsten filament.
Fig. 3 is refer to, in a preferred embodiment, light fixture is fluorescent lamp.In this embodiment, luminescence unit 20 can include
Anode 22, negative electrode 21 and grid 23.Anode 22 is conducting film, and its surface is provided with fluorescence coating.Negative electrode 21 is field-transmitting cathode, grid
Pole 23 can be wire netting.Anode 22, negative electrode 21 and grid 23 are electrically connected by corresponding electrode with external circuit.
In a preferred embodiment, protective gas can include one in nitrogen, helium, argon gas, xenon or halogen gas
Kind is a variety of.Halogen gas refers to the gas containing halogen, such as methylene bromide etc..
In a preferred embodiment, concentration of the heat conduction particle 30 in protective gas is 0.001-10mg/cm3, further
Preferably 0.01-3mg/cm3。
In a preferred embodiment, the average grain diameter of heat conduction particle 30 is 0.01-100 microns, is further preferably 0.1-
10 microns.If the particle diameter of heat conduction particle 30 is larger, easily precipitated in protective gas.Heat conduction particle 30 is averaged
When particle diameter is 0.01-100 microns, heat conduction particle 30 can keep gas phase state for a long time.
In a preferred embodiment, heat conduction particle 30 includes graphite or graphene, can be specifically powdered graphite, graphite
Microplate, graphene powder or graphene microchip etc..Graphite and graphene have good heat conductivility, and stability is good.
In a preferred embodiment, heat conduction particle 30 includes boron nitride, aluminium nitride, copper, aluminium or silver.These materials have good
Heat conductivility, heat conduction particle 30 can be specifically the powder of these materials.
In a preferred embodiment, the thermal conductivity factor of heat conduction particle 30 is in 100-6000W/m*Between K, further preferably exist
150-5000W/m*Between K.For example, the thermal conductivity factor of boron nitride is 120W/m*K, the thermal conductivity factor of aluminium nitride is 170W/m*K,
The thermal conductivity factor of copper is 380W/m*K, the thermal conductivity factor of graphite flake can reach 600-1700W/m*K or so, the heat conduction system of graphene
Number can reach 600-3000W/m*K, even as high as 5300W/m*K。
In a preferred embodiment, the density of heat conduction particle 30 is in 0.1-3.0g/cm3。
The opposing party of the embodiment of the present invention provides a kind of light fixture, and it includes housing 10 and luminescence unit 20, the printing opacity of housing 10 and
For sealing structure, housing 10 is interior to be accommodated in accommodation space formed with accommodation space, luminescence unit 20.Housing 10 preferably uses glass
Glass is made.Luminescence unit 20 can be connected with external circuit, be lighted under the function of current, the light that luminescence unit 20 is sent passes through shell
Body 10, externally provides illumination.Filled with protective gas in accommodation space, contain graphite particle or graphene in protective gas
Grain, can be specifically powdered graphite, graphite microchip, graphene powder or graphene microchip etc..By in protective gas
Middle addition graphite particle or graphene particles, it can effectively lift the luminous efficiency of light fixture.
The specific embodiment of the present invention is described below.Add in the bulb for the LEDbulb lamp that product type is BF094
It is 0.01mg/cm to enter graphene powder to concentration3(rear to claim sample 1), while graphite is not added as BF094 using a product type
The standardized product of the LEDbulb lamp of alkene powder is (rear to claim sample 2) as a comparison sample.By observation, graphene powder is in bulb
Interior essentially gas phase form.Apply the current value of 220 volts of voltages, sample 1 and sample 2 to sample 1 and sample 2 at room temperature at 25 DEG C
Respectively 0.023 peace and 0.024 peace, the surface temperature of sample 1 is 36.1 DEG C, and the surface temperature of sample 2 is 37.9 DEG C, sample 1
Luminous efficiency be 70lm/W, the luminous efficiency of sample 2 is 62lm/W.Life test, sample 1 then are done to sample 1 and sample 2
Luminescent lifetime be more than 10000 hours, the life-span with sample 2 is without significant difference.Embodiments above shows, adds in bulb
Add Graphene powder last, the luminous efficiency of bulb is obviously improved, while the temperature of bulb has declined.
The above disclosed right for being only presently preferred embodiments of the present invention, the present invention can not being limited with this certainly
Scope, therefore the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of light fixture, it includes housing and luminescence unit, the housing printing opacity and be sealing structure, in the housing formed with
Accommodation space, the luminescence unit are accommodated in the accommodation space, and the luminescence unit lights under the function of current, its feature
It is, filled with protective gas in the accommodation space, contains heat conduction particle in the protective gas.
2. light fixture as claimed in claim 1, it is characterised in that the luminescence unit is LED luminescence units or filament.
3. light fixture as claimed in claim 1, it is characterised in that the light fixture is fluorescent lamp.
4. light fixture as claimed in claim 1, it is characterised in that the protective gas includes nitrogen, helium, argon gas, xenon
Or the one or more of halogen gas.
5. light fixture as claimed in claim 1, it is characterised in that concentration of the heat conduction particle in the protective gas is
0.001-10mg/cm3, it is therefore preferable to 0.01-3mg/cm3。
6. light fixture as claimed in claim 1, it is characterised in that the average grain diameter of the heat conduction particle is 0.01-100 microns,
Preferably 0.1-10 microns.
7. the light fixture as described in any one of claim 1 to 6, it is characterised in that the heat conduction particle includes graphite or graphene.
8. the light fixture as described in any one of claim 1 to 6, it is characterised in that the heat conduction particle includes boron nitride, nitridation
Aluminium, copper, aluminium or silver.
9. the light fixture as described in any one of claim 1 to 6, it is characterised in that the thermal conductivity factor of the heat conduction particle is in 100-
Between 6000W/m*K, preferably between 150-5000W/m*K.
10. a kind of light fixture, it includes housing and luminescence unit, the housing printing opacity and be sealing structure, is formed in the housing
There is accommodation space, the luminescence unit is accommodated in the accommodation space, and the luminescence unit lights under the function of current, and it is special
Sign is, filled with protective gas in the accommodation space, contains graphite particle or graphene particles in the protective gas.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710039293 | 2017-01-19 | ||
| CN201720079686 | 2017-01-19 | ||
| CN2017100392938 | 2017-01-19 | ||
| CN2017200796867 | 2017-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107448917A true CN107448917A (en) | 2017-12-08 |
Family
ID=60491284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671923.3A Pending CN107448917A (en) | 2017-01-19 | 2017-08-08 | A kind of light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107448917A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264797A1 (en) * | 2009-04-20 | 2010-10-21 | Bily Wang | Reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency |
| CN202719427U (en) * | 2012-07-31 | 2013-02-06 | 广州市雷腾照明科技有限公司 | LED (light-emitting diode) lamp bulb with graphite-foam radiator |
| CN203949132U (en) * | 2014-05-06 | 2014-11-19 | 黄渭珈 | LED radiating module |
| CN104377194A (en) * | 2014-11-17 | 2015-02-25 | 深圳市裕富照明有限公司 | LED lamp filament, LED bulb and lamp |
-
2017
- 2017-08-08 CN CN201710671923.3A patent/CN107448917A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100264797A1 (en) * | 2009-04-20 | 2010-10-21 | Bily Wang | Reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency |
| CN202719427U (en) * | 2012-07-31 | 2013-02-06 | 广州市雷腾照明科技有限公司 | LED (light-emitting diode) lamp bulb with graphite-foam radiator |
| CN203949132U (en) * | 2014-05-06 | 2014-11-19 | 黄渭珈 | LED radiating module |
| CN104377194A (en) * | 2014-11-17 | 2015-02-25 | 深圳市裕富照明有限公司 | LED lamp filament, LED bulb and lamp |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171208 |
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| WD01 | Invention patent application deemed withdrawn after publication |