CN104713046A - LED cooling lampshade - Google Patents
LED cooling lampshade Download PDFInfo
- Publication number
- CN104713046A CN104713046A CN201510175812.4A CN201510175812A CN104713046A CN 104713046 A CN104713046 A CN 104713046A CN 201510175812 A CN201510175812 A CN 201510175812A CN 104713046 A CN104713046 A CN 104713046A
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- China
- Prior art keywords
- phase
- weight portions
- paraffin
- change material
- carrier
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2101/00—Point-like light sources
Abstract
The invention relates to a lampshade, and provides an LED cooling lampshade which is good in cooling property and high in latent heat energy-storage efficiency. The LED cooling lampshade comprises a lampshade body, wherein the lampshade body comprises a lampshade housing and an inner shell; a hollow cavity body is surrounded by the housing and the inner shell; the hollow cavity body is filled with a phase-change composite material; the phase-change composite material is composed of a carrier and a phase-change material which is adsorbed on the carrier after being treated; the carrier is foamed aluminum or foamed copper; the phase-change material is prepared from the following raw materials in parts by weight: 30-45 parts of paraffin, 20-36 parts of silver, indium, stibium and tellurium and 20-29 parts of calcium chloride hexahydrate.
Description
Technical field
The present invention relates to a kind of lampshade, particularly relate to a kind of LED heat radiation lampshade.
Background technology
LED (Light Emitting Diode, light emitting diode) is a kind of can be the semiconductor devices of visible ray by electric energy conversion.LED illumination is the new industry grown up in recent years.Compare with traditional osram lamp, osram lamp makes filament heating with big current until luminous, LED be then utilize the electronic electric in semi-conducting material in conjunction with time the ability that discharges to show it in the mode of luminescence, make LED only need minimum electric current just can inspire the quite high light of brightness.But the maximum technical problem of current LED is heat dissipation problem.In light fixture use procedure, because the luminous efficiency of LED is only 10%-20%, the energy of remaining 80%-90% all converts heat to, and heat drives LED temperature to rise, and causes operating voltage to reduce, and light intensity reduces, and optical wavelength is elongated, shortens the LED life-span.How improving LED radiating effect is current main flow problem.Phase-change material (PCM), can heat (cold) amount of absorbing environmental in the process itself undergone phase transition, and releases heat (cold) amount to environment when needed, thus reaches and control the object of ambient temperature.Material phase transition process is an isothermal or approximate constant temperature process, is attended by absorption or the release of energy in this process.Phase-change thermal storage utilizes phase-change material in its phase transition process, absorbs or release heat, reach the object of energy storage or exoergic from environment.It is high that high temperature phase change material (pcm) has phase transition temperature; heat storage capacity is large; storage density high; its use can improve efficiency of energy utilization; available protecting environment, is widely used in the field such as energy-conservation of the recycling of solar thermal utilization, " peak load shifting " of electric power, waste heat or used heat and industry and civil buildings and air-conditioning at present.Present stage, people are concerned about that many new forms of energy are solar energy, but Solar use and Waste Heat Recovery life period and unmatched problem spatially.Phase-changing energy storage material can absorb energy and to Environment release energy, solve energy supply and demand unmatched contradiction over time and space preferably, effectively improve the utilization rate of energy from environment.Phase-changing energy storage material temperature in phase transition process keeps constant substantially simultaneously, can be used in the temperature of surrounding environment, and can reuse.These characteristics of phase-changing energy storage material make its field such as energy-conservation, the textile at electric power " peak load shifting ", industry and civil buildings and air-conditioning and military affairs have a wide range of applications.
When but existing phase-change material is applied to LED lamp radiator, because conventional phase-change material temperature control range is not in the LED lamp scope of application, energy storage and heat-conducting effect not obvious, and under high temperature, thermal resistance is large.As a kind of phase-change material that the application number patent of invention that is 03137241.4 provides, containing sodium acetate trihydrate and 30 ~ 50% urea that mass ratio is 50 ~ 70%, two kinds of materials are weighed and Homogeneous phase mixing respectively by required proportioning, heating in the water bath with thermostatic control of 65 ~ 80 DEG C is also constantly stirred, until mixture becomes transparent liquid.When using it for LED lamp radiator manufacture, hidden heat energy storage efficiency and heat conductivility are not good.
Summary of the invention
Therefore, for above content, the invention provides a kind of good heat conductivity, LED heat radiation lampshade that hidden heat energy storage efficiency is high.
For achieving the above object, the present invention is achieved by the following technical solutions: a kind of LED heat radiation lampshade, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, and described phase-change material is made up of the paraffin of 30 ~ 45 weight portions, the silver indium antimony tellurium of 20 ~ 36 weight portions, the calcium chloride hexahydrate of 20 ~ 29 weight portions.
Further improvement is: described phase-change material is made up of the paraffin of 37 ~ 45 weight portions, the silver indium antimony tellurium of 28 ~ 36 weight portions, the calcium chloride hexahydrate of 25 ~ 29 weight portions.
Further improvement is: described phase-change material is made up of the paraffin of 40 weight portions, the silver indium antimony tellurium of 32 weight portions, the calcium chloride hexahydrate of 28 weight portions.
Further improvement is: described paraffin is solid shape paraffin.
Further improvement is: described silver indium antimony tellurium is alloy sheet.
Further improvement is: the processing method of described phase-change material is be ground into Powdered by the paraffin of 30 ~ 45 weight portions, is pulverized by the calcium chloride hexahydrate of the silver indium antimony tellurium of 20 ~ 36 weight portions, 20 ~ 29 weight portions and mixes with paraffin, i.e. obtained phase-change material.
By adopting preceding solution, the invention has the beneficial effects as follows: LED heat radiation lampshade of the present invention, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, described phase-change material is by the paraffin of 30 ~ 45 weight portions, the silver indium antimony tellurium of 20 ~ 36 weight portions, the calcium chloride hexahydrate composition of 20 ~ 29 weight portions, when LED is generated heat to higher temperature, phase-change material heat absorption in lampshade cavity becomes liquid, thus reduce the environment temperature of LED, increase the service life, and when LED environment temperature is on the low side, phase-change material heating in lampshade cavity, described carrier is foamed aluminium or foam copper, foam copper or foamed aluminium have great surface area, adsorbable a large amount of phase-change material, phase-change material of the present invention is that three kinds of materials are composited, phase transformation range is between 20 ~ 60 degree, be applied in LED lamp cover and there is the effect of good energy storage latent heat.
Detailed description of the invention
Describe embodiments of the present invention in detail below with reference to specific embodiment, to the present invention, how application technology means solve technical problem whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
If do not specialize, the conventional means that the technological means adopted in embodiment is well known to those skilled in the art, the reagent adopted and product be also can business obtain.Source, the trade name of agents useful for same and be necessary to list its constituent person, all indicate when occurring first.
Embodiment one
A kind of LED heat radiation lampshade, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, described phase-change material is by the paraffin of 30 weight portions, the silver indium antimony tellurium of 20 weight portions, the calcium chloride hexahydrate composition of 29 weight portions, described paraffin is solid shape paraffin, described silver indium antimony tellurium is alloy sheet, the processing method of described phase-change material is be ground into Powdered by the paraffin of 30 weight portions, by the silver indium antimony tellurium of 20 weight portions, the calcium chloride hexahydrate of 29 weight portions is pulverized and is mixed with paraffin, i.e. obtained phase-change material.
Embodiment two
A kind of LED heat radiation lampshade, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, described phase-change material is by the paraffin of 37 weight portions, the silver indium antimony tellurium of 28 weight portions, the calcium chloride hexahydrate composition of 25 weight portions, described paraffin is solid shape paraffin, described silver indium antimony tellurium is alloy sheet, the processing method of described phase-change material is be ground into Powdered by the paraffin of 37 weight portions, by the silver indium antimony tellurium of 28 weight portions, the calcium chloride hexahydrate of 25 weight portions is pulverized and is mixed with paraffin, i.e. obtained phase-change material.
Embodiment three
A kind of LED heat radiation lampshade, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, and described carrier is foamed aluminium or foam copper, and described phase-change material is made up of the paraffin of 45 weight portions, the silver indium antimony tellurium of 36 weight portions, the calcium chloride hexahydrate of 29 weight portions.Described paraffin is solid shape paraffin.Described silver indium antimony tellurium is alloy sheet.The processing method of described phase-change material is be ground into Powdered by the paraffin of 30 ~ 45 weight portions, is pulverized by the calcium chloride hexahydrate of the silver indium antimony tellurium of 20 ~ 36 weight portions, 20 ~ 29 weight portions and mixes with paraffin, i.e. obtained phase-change material.
Embodiment four
A kind of LED heat radiation lampshade, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, described phase-change material is by the paraffin of 40 weight portions, the silver indium antimony tellurium of 32 weight portions, the calcium chloride hexahydrate composition of 28 weight portions, described paraffin is solid shape paraffin, described silver indium antimony tellurium is alloy sheet, the processing method of described phase-change material is be ground into Powdered by the paraffin of 40 weight portions, by the silver indium antimony tellurium of 32 weight portions, the calcium chloride hexahydrate of 28 weight portions is pulverized and is mixed with paraffin, i.e. obtained phase-change material.
LED heat radiation lampshade of the present invention, the selection of each component concentration ranges of phase-change material all can realize object of the present invention in following scope, the i.e. paraffin of 30 ~ 45 weight portions, the silver indium antimony tellurium of 20 ~ 36 weight portions, the calcium chloride hexahydrate of 20 ~ 29 weight portions, preferably, when paraffin is 40 weight portions, silver indium antimony tellurium is 32 weight portions, when calcium chloride hexahydrate is 28 weight portion, the composite phase-change material be combined into after carrier adsorption phase-change material in the hollow cavity of lampshade can play best hidden heat energy storage effect, when LED environment temperature reaches 55 DEG C, phase-change material heat absorption starts the transformation that phase occurs, gradually liquid state is changed into by solid-state.
LED heat radiation lampshade of the present invention, comprise lamp shade body, described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, described phase-change material is by the paraffin of 30 ~ 45 weight portions, the silver indium antimony tellurium of 20 ~ 36 weight portions, the calcium chloride hexahydrate composition of 20 ~ 29 weight portions, when LED is generated heat to higher temperature, phase-change material heat absorption in lampshade cavity becomes liquid, thus reduce the environment temperature of LED, increase the service life, and when LED environment temperature is on the low side, phase-change material heating in lampshade cavity, described carrier is foamed aluminium or foam copper, foam copper or foamed aluminium have great surface area, adsorbable a large amount of phase-change material, phase-change material of the present invention is that three kinds of materials are composited, phase transformation range is between 20 ~ 60 degree, be applied in LED lamp cover and there is the effect of good energy storage latent heat.
Above, be only the embodiment utilizing this origination techniques content, the modification that any those skilled in the art use this creation to do, change, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (6)
1. a LED heat radiation lampshade, comprise lamp shade body, it is characterized in that: described lamp shade body comprises lampshade shell and inner casing, described shell and inner casing surround hollow cavity, phase change composite material is filled with in described hollow cavity, described phase change composite material is made up of carrier and the phase-change material be adsorbed on after treatment on carrier, described carrier is foamed aluminium or foam copper, and described phase-change material is made up of the paraffin of 30 ~ 45 weight portions, the silver indium antimony tellurium of 20 ~ 36 weight portions, the calcium chloride hexahydrate of 20 ~ 29 weight portions.
2. LED heat radiation lampshade according to claim 1, is characterized in that: described phase-change material is made up of the paraffin of 37 ~ 45 weight portions, the silver indium antimony tellurium of 28 ~ 36 weight portions, the calcium chloride hexahydrate of 25 ~ 29 weight portions.
3. LED heat radiation lampshade according to claim 1, is characterized in that: described phase-change material is made up of the paraffin of 40 weight portions, the silver indium antimony tellurium of 32 weight portions, the calcium chloride hexahydrate of 28 weight portions.
4. the LED heat radiation lampshade according to claim 1 or 2 or 3, is characterized in that: described paraffin is solid shape paraffin.
5. the LED heat radiation lampshade according to claim 1 or 2 or 3, is characterized in that: described silver indium antimony tellurium is alloy sheet.
6. LED heat radiation lampshade according to claim 1, it is characterized in that: the processing method of described phase-change material is be ground into Powdered by the paraffin of 30 ~ 45 weight portions, the calcium chloride hexahydrate of the silver indium antimony tellurium of 20 ~ 36 weight portions, 20 ~ 29 weight portions is pulverized and mixes with paraffin, be i.e. obtained phase-change material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175812.4A CN104713046A (en) | 2015-04-15 | 2015-04-15 | LED cooling lampshade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510175812.4A CN104713046A (en) | 2015-04-15 | 2015-04-15 | LED cooling lampshade |
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| Publication Number | Publication Date |
|---|---|
| CN104713046A true CN104713046A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510175812.4A Pending CN104713046A (en) | 2015-04-15 | 2015-04-15 | LED cooling lampshade |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110237A (en) * | 2006-07-21 | 2008-01-23 | 精碟科技股份有限公司 | Optical information storing medium |
| CN102155729A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Heat dissipation method of LED (light-emitting diode) device and device |
| CN102544301A (en) * | 2010-12-16 | 2012-07-04 | 中芯国际集成电路制造(北京)有限公司 | Led packaging structure |
-
2015
- 2015-04-15 CN CN201510175812.4A patent/CN104713046A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101110237A (en) * | 2006-07-21 | 2008-01-23 | 精碟科技股份有限公司 | Optical information storing medium |
| CN102544301A (en) * | 2010-12-16 | 2012-07-04 | 中芯国际集成电路制造(北京)有限公司 | Led packaging structure |
| CN102155729A (en) * | 2011-04-28 | 2011-08-17 | 华南理工大学 | Heat dissipation method of LED (light-emitting diode) device and device |
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Application publication date: 20150617 |
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