CN203099763U - Magnetocaloric effect efficient heat dissipation combined system - Google Patents
Magnetocaloric effect efficient heat dissipation combined system Download PDFInfo
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- CN203099763U CN203099763U CN2013200967970U CN201320096797U CN203099763U CN 203099763 U CN203099763 U CN 203099763U CN 2013200967970 U CN2013200967970 U CN 2013200967970U CN 201320096797 U CN201320096797 U CN 201320096797U CN 203099763 U CN203099763 U CN 203099763U
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Abstract
The utility model provides a magnetocaloric effect efficient heat dissipation combined system comprising a light-emitting diode (LED) light source aluminum substrate, permanent magnets, a solid magnetic medium, heat conduction radiation gel, a magnetic field heating pipe and an aluminum heat dissipating piece. The LED light source aluminum substrate, the permanent magnets, the solid magnetic medium and the heat conduction radiation gel are arranged on the aluminum heat dissipating piece. The LED light source aluminum substrate is arranged above the permanent magnets, the solid magnetic medium is arranged under the permanent magnets, the heat conduction radiation gel connects the solid magnetic medium and the magnetic field heating pipe, the magnetic field heating pipe connects the solid magnetic medium and the aluminum heat dissipating piece, and a magnet is arranged in the magnetic field heating pipe. The system is high in thermal conduction speed and good in contact face by means of heat radiation, guarantees the high thermal conduction rate, and is an efficient heat dissipating system.
Description
Technical field
The utility model relates to a kind of heat radiation hybrid system, particularly a kind of photoelectric field magnetothermal effect high efficiency and heat radiation hybrid system.
Background technology
The led light source heating can make its spectrum move, and colour temperature raises, and forward current increases, and reversing the current also increases, and thermal stress increases, and the aging acceleration of fluorescent material epoxy resin waits variety of issue.Thus, the heat radiation of led light source is one of of paramount importance problem in the LED Design of Luminaires.
Photoelectricity heat radiation at present generally adopts aluminum alloy heat sink to connect substrate with heat-conducting glue, the light source encapsulation exists various factors to can not get high light efficiency, if changeing 80% heat of light, electricity do not have timely and effective astigmatism, having influence on the LED life-span especially shortens greatly, the light decay of light source is accelerated greatly, influence the work of conversion of PN light and circuital current after heating up, be that general industry is moved towards quality 100,000 hours theoretical L ED life-spans of waste, less than 3 years or shorter, the light decay rate directly influenced 15%-60% in the reality, ran counter to the energy-conservation of LED, efficiently, bad development, aluminium alloy itself exists heat conduction slow, high thermal resistance, colloid loose contact of long duration, being simple radiating, guaranteeing the quality of LED, is unfavorable device.
So being necessary to design a magnetothermal effect high efficiency and heat radiation hybrid system solves above-mentioned defective.
The utility model content
The utility model proposes a kind of magnetothermal effect high efficiency and heat radiation hybrid system, it is not good to have solved in the prior art heat dispersion, the defective of colloid loose contact of long duration; The utility model is simple in structure, and its heat conduction and radiating rate are fast, and the radiating efficiency height is practical.
The technical solution of the utility model is achieved in that
A kind of magnetothermal effect high efficiency and heat radiation hybrid system, it comprises led light source aluminium base, permanent magnet, solid-state magnetizing mediums, heat conduction radiation glue, magnetic field heat pipe and aluminium radiator fin; Described led light source aluminium base, described permanent magnet, described solid-state magnetizing mediums and described heat conduction radiation glue all are located on the described aluminium radiator fin; Described led light source aluminium base is installed in described permanent magnet top, described solid-state magnetizing mediums is located at described permanent magnet below, described solid-state magnetizing mediums is installed in described permanent magnet below, described heat conduction radiation glue connects described solid-state magnetizing mediums and described magnetic field heat pipe, and described magnetic field heat pipe connects described solid-state magnetizing mediums and described aluminium radiator fin; Described magnetic field inside heat pipe is provided with magnet.
Further, described permanent magnet is provided with a plurality of, and a plurality of described magnet ring is around the periphery of described led light source aluminium base.
Further, be provided with the gap between described permanent magnet and the described magnetic field heat pipe.
Further, described solid-state magnetizing mediums is located in the described gap.
Further, described magnetic field heat pipe comprises evaporator section, adiabatic section and condensation segment, and described evaporator section is communicated with described adiabatic section, and described adiabatic section is communicated with described condensation segment.
The utility model heat-transfer rate is fast, by thermal-radiating process, contact-making surface is good, has guaranteed high thermal conductivity, adopt radiation to carry out transfer of heat in the warm-up movement to magnetic field medium fast, cooling procedure, the heat that sheds is loose to air by aluminium radiator fin, and a part is also accelerated heat radiation along the magnetic field heat pipe in the radiation simultaneously, the magnetic field effect is the transfer of quickening heat, heat is the colling end air that sheds simultaneously, and both hot-fluids form warm-up movement again, are cover high efficiency and heat radiation systems.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model magnetothermal effect high efficiency and heat radiation hybrid system.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1, a kind of magnetothermal effect high efficiency and heat radiation hybrid system 1, it comprises led light source aluminium base 2, permanent magnet 3, solid-state magnetizing mediums 4, heat conduction radiation glue 5, magnetic field heat pipe 6 and aluminium radiator fin 7; Described led light source aluminium base 2, described permanent magnet 3, described solid-state magnetizing mediums 4 and described heat conduction radiation glue 5 all are located on the described aluminium radiator fin 7; Described led light source aluminium base 2 is installed in described permanent magnet 3 tops, described solid-state magnetizing mediums 4 is located at described permanent magnet 3 belows, described heat conduction radiation glue 5 connects described solid-state magnetizing mediums 4 and described magnetic field heat pipe 6, and described magnetic field heat pipe 6 connects described solid-state magnetizing mediums 4 and described aluminium radiator fin 7; Heat pipe 6 inside, described magnetic field are provided with magnet (not shown).The setting of described magnetic field heat pipe can be quickened warm-up movement, prevents condensation.
Further, described permanent magnet 3 is provided with a plurality of, and a plurality of described magnet ring is around the periphery of described led light source aluminium base.
Further, be provided with gap (not shown) between described permanent magnet 3 and the described magnetic field heat pipe 6.
Further, described solid-state magnetizing mediums 4 is located in the described gap.
Further, described magnetic field heat pipe 6 comprises evaporator section (not shown), adiabatic section (not shown) and condensation segment (not shown), and described evaporator section is communicated with described adiabatic section, and described adiabatic section is communicated with described condensation segment.
The utility model is components and parts, the light source heat radiation that needs heat radiation at various.The led light source aluminium base can directly be positioned on the radiating element, connect with special radiation glue, the heat that light source sent ejects heat by radiation, in magnetic field structure, magnetic field is by the Entropy Changesization to working medium, carry out magnetothermal effect in the process, temperature can be cooled, by the aluminum blades heat that sheds, part heat also shifts the heat radiation process of quickening of cooling off by the magnetic field heat pipe simultaneously in addition, cool off the hot-fluid that sheds by two kinds of formed hot-fluids of device radiation by direct heat that derives of substrate and magnetic field heat pipe heat radiation, both hot-fluids are in aluminium flake, and gas that temperature is high and low hot gas form calorific potential stream, quickened gas flow, improve light source substrate conduction heat by adding magnetic and demagnetizing method, the magnetic order degree of system is strengthened the heat release of magnetic entropy lamp when being subjected to magnetic field effect magnetization, degaussing again, the magnetic order degree descends, and the cooled heat of magnetic entropy lamp sheds heat in air fast by compound the getting of hot-fluid in the aluminium flake, is a cover high efficiency and heat radiation system.
By the utility model magnetothermal effect high efficiency and heat radiation hybrid system and common heat pipe composite system to led light source heat radiation study, light fixture radiation in heat transfer process improves 10-1000 with conversion ratio that directly contacts and temperature, and common contact commentaries on classics heat has only 2-10, and carry out radiant heat and shift back temperature transfer rate raising, speed is with fast, do not influence radiating effect more with powerful power number is big more, and common radiating mode temperature raising thermal resistivity improves also, so can not adapt to present demand.
The utility model heat-transfer rate is fast, by thermal-radiating process, contact-making surface is good, has guaranteed high thermal conductivity, adopt radiation to carry out transfer of heat in the warm-up movement to magnetic field medium fast, cooling procedure, the heat that sheds is loose to air by aluminium radiator fin, and a part is also accelerated heat radiation along the magnetic field heat pipe in the radiation simultaneously, the magnetic field effect is the transfer of quickening heat, heat is the colling end air that sheds simultaneously, and both hot-fluids form warm-up movement again, also are to quicken to flow.
On semiconductor refrigerating technology, semiconductor chilling plate produces temperature-difference refrigerating when energising, temperature end heat radiation low-temperature end constantly is cooled, all produce the temperature difference on each semiconductor grain, a cooling piece is in series by n-1 particle, and two surfaces produce a temperature, can obtain good radiating effect, reduce the reliability height, technology is immature, causes short circuit easily.Adding heat radiation heat-conducting glue carries out the good contact material of substrate metal spare; Magnetic field and working medium, solid-state magnetizing mediums, the device radiation structure, by the magnetic field effect cooling, the magnetic field heat pipe structure is by coil design, and the outside adds coil, the magnetic field effect is heat pipe and magnetic field effect down, obtain low temperature by adding the magnetic degaussing, aluminium alloy cavity and structure are with cooperating and the thermal convection current composite structural design of magnetic tube.
The utility model magnetothermal effect high efficiency and heat radiation hybrid system is dispelled the heat by the magnetic field heat pipe, it has high thermal conductivity, good isothermal, the flow direction invertibity, advantages such as the adaptability of thermostatic characteristics and environment is good, can satisfy electronic electric equipment to heat abstractor compactness, reliable control flexibly, requirement such as high efficiency and heat radiation, the operation principle of the utility model magnetic field heat pipe is: liquid working substance at evaporator section by the hot-fluid heating evaporation, its steam flows to condensation segment through the adiabatic section, latent heat is emitted in the cold fluid cooling outside the condensation segment steam is managed, and is condensed into liquid; Accumulate in condensation water in the radiating segment imbibition core by the sharp effect of hair of imbibition core, turn back to the bringing-up section evaporation of absorbing heat again.Its whole process is not have external impetus, does not have the mechanical movement part, finishes in the absence of noise, and simplicity of design is effective, and heat-transfer capability is big, and thermal conductivity factor is big.During use, the one end can connect a plurality of heat generating components, and the other end can connect radiator, other cooling device of casing, and radiating effect is very good.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a magnetothermal effect high efficiency and heat radiation hybrid system is characterized in that, it comprises led light source aluminium base, permanent magnet, solid-state magnetizing mediums, heat conduction radiation glue, magnetic field heat pipe and aluminium radiator fin;
Described led light source aluminium base, described permanent magnet, described solid-state magnetizing mediums and described heat conduction radiation glue all are located on the described aluminium radiator fin;
Described led light source aluminium base is installed in described permanent magnet top, described solid-state magnetizing mediums is located at described permanent magnet below, described solid-state magnetizing mediums is installed in described permanent magnet below, described heat conduction radiation glue connects described solid-state magnetizing mediums and described magnetic field heat pipe, and described magnetic field heat pipe connects described solid-state magnetizing mediums and described aluminium radiator fin;
Described magnetic field inside heat pipe is provided with magnet.
2. magnetothermal effect high efficiency and heat radiation hybrid system as claimed in claim 1 is characterized in that described permanent magnet is provided with a plurality of, and a plurality of described magnet ring is around the periphery of described led light source aluminium base.
3. magnetothermal effect high efficiency and heat radiation hybrid system as claimed in claim 2 is characterized in that, is provided with the gap between described permanent magnet and the described magnetic field heat pipe.
4. magnetothermal effect high efficiency and heat radiation hybrid system as claimed in claim 3 is characterized in that described solid-state magnetizing mediums is located in the described gap.
5. magnetothermal effect high efficiency and heat radiation hybrid system as claimed in claim 4 is characterized in that described magnetic field heat pipe comprises evaporator section, adiabatic section and condensation segment, and described evaporator section is communicated with described adiabatic section, and described adiabatic section is communicated with described condensation segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200967970U CN203099763U (en) | 2013-02-28 | 2013-02-28 | Magnetocaloric effect efficient heat dissipation combined system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200967970U CN203099763U (en) | 2013-02-28 | 2013-02-28 | Magnetocaloric effect efficient heat dissipation combined system |
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| CN203099763U true CN203099763U (en) | 2013-07-31 |
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| CN2013200967970U Expired - Fee Related CN203099763U (en) | 2013-02-28 | 2013-02-28 | Magnetocaloric effect efficient heat dissipation combined system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154511A (en) * | 2014-07-08 | 2014-11-19 | 华南理工大学 | Magnetic refrigeration pump circulating heat radiation based structure for LED lamp and method thereof |
| CN104696845A (en) * | 2015-02-07 | 2015-06-10 | 朱惠冲 | Refrigeration structure for LED headlamp |
| CN111023878A (en) * | 2019-12-10 | 2020-04-17 | 南京航空航天大学 | Power-adjustable space radiation heat dissipation system and working method thereof |
| CN114501937A (en) * | 2022-01-21 | 2022-05-13 | 电子科技大学 | Magnetoni effect-based magnetic fluid self-circulation heat dissipation system and heat dissipation method |
-
2013
- 2013-02-28 CN CN2013200967970U patent/CN203099763U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154511A (en) * | 2014-07-08 | 2014-11-19 | 华南理工大学 | Magnetic refrigeration pump circulating heat radiation based structure for LED lamp and method thereof |
| CN104154511B (en) * | 2014-07-08 | 2017-09-26 | 华南理工大学 | The structure and its method based on magnetic refrigeration pump circulation cooling for LED lamp |
| CN104696845A (en) * | 2015-02-07 | 2015-06-10 | 朱惠冲 | Refrigeration structure for LED headlamp |
| CN111023878A (en) * | 2019-12-10 | 2020-04-17 | 南京航空航天大学 | Power-adjustable space radiation heat dissipation system and working method thereof |
| CN114501937A (en) * | 2022-01-21 | 2022-05-13 | 电子科技大学 | Magnetoni effect-based magnetic fluid self-circulation heat dissipation system and heat dissipation method |
| CN114501937B (en) * | 2022-01-21 | 2023-10-24 | 电子科技大学 | Magnetic fluid self-circulation heat dissipation system based on marangoni effect |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130731 Termination date: 20180228 |