CN105135390B - Radiator - Google Patents
Radiator Download PDFInfo
- Publication number
- CN105135390B CN105135390B CN201510640832.4A CN201510640832A CN105135390B CN 105135390 B CN105135390 B CN 105135390B CN 201510640832 A CN201510640832 A CN 201510640832A CN 105135390 B CN105135390 B CN 105135390B
- Authority
- CN
- China
- Prior art keywords
- heat
- multiple electromagnetic
- dissipating pipe
- magnetic
- magnetic field
- 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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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
Abstract
Radiator according to the present invention, because heat source is in contact with heat-dissipating pipe, magnetic fluid is housed in heat-dissipating pipe, multiple electromagnetic units are provided on heat-dissipating pipe, power supply is connected with multiple electromagnetic units, control unit can control power supply and provide electric energy to multiple electromagnetic units, magnetic field is generated to control multiple electromagnetic units, magnetic fluid circulates under the influence of a magnetic field, to take away the heat of LED chip generation, therefore, not only rate of heat dissipation is high, noiseless, simple for process but also economical and practical for radiator of the invention.
Description
Technical field
Present invention relates particularly to a kind of radiators to radiate to LED light.
Background technology
LED light because of energy saving, long lifespan, environmental protection, the advantages that response time is short, anti-seismic performance is good, LED light is gradual
Instead of conventional light source, it is in daily life to be more and more applied to people.In the prior art, LED light is by semiconductor material
Material chip is placed on a leaded shelf, and then surrounding seals obtained structure with epoxy resin.Since semiconductor is sent out
The limitation of optical diode wafer technologies, thus during the use of high-power LED lamp, have about 60% or more electric energy
Become thermal energy to be released out, to make junction temperature increase, however, junction temperature is higher, the illumination effect of LED light and contracting will be influenced
The service life of short LED light.
In order to radiate to LED light, currently, the method for heat dissipation has fan cooling, cooling fin heat dissipation, heat pipe heat radiation, water cooling to dissipate
Heat etc. is still also easy to produce dust, consumes energy and is had noise using fan cooling；It is radiated using cooling fin, heat dissipation effect is poor；It adopts
With heat pipe heat radiation, manufacturing process is complex and expensive；It is complicated using water-cooling, it is heavier.
Invention content
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of rate of heat dissipation is high, noiseless, technique
Simple and economical and practical radiator.
Radiator provided by the invention, which is characterized in that including：Radiating part, including：It is in contact with heat source and for containing
Fill magnetic fluid heat-dissipating pipe, be separated by with preset space length the multiple electromagnetic units being arranged on heat-dissipating pipe, with multiple electromagnetic unit phases
It connects the power supply for providing electric energy and covers multiple electromagnetic units for preventing external magnetic field from being caused to multiple electromagnetic units
The envelope magnetic tube of interference；And control unit, it is connected with power supply and multiple electromagnetic units, for controlling power supply to multiple electromagnetic units
There is provided electric energy, wherein control unit controls power supply and provides electric energy to multiple electromagnetic units, and multiple electromagnetic units is made to generate magnetic field, magnetic
Fluid circulates under the influence of a magnetic field, to radiate to heat source.
The radiator of the present invention can also have the feature that：Further include configuration part, for setting predetermined temperature；It adopts
Collection portion, the real time temperature for acquiring heat source；And comparing section, for comparing the size of predetermined temperature and real time temperature to obtain
To comparison result, wherein control unit according to comparison result control power supply successively to multiple electromagnetic units provide electric energy so that
Multiple electromagnetic units are sequentially generated magnetic field.
The radiator of the present invention can also have the feature that：Wherein, acquisition portion is thermal sensing device.
The radiator of the present invention can also have the feature that：Wherein, it is in contact with the heat source on heat-dissipating pipe
Partial surface is plane, for increasing the heat dissipation area between the heat-dissipating pipe and the heat source.
The radiator of the present invention can also have the feature that：Wherein, electromagnetic unit is wrapped in heat dissipation to be a plurality of
Solenoid on pipe, control unit control power supply and provide electric energy to electromagnetic unit, and solenoid is made to be sequentially generated magnetic field.
The radiator of the present invention can also have the feature that：Wherein, magnetic fluid includes：Magnetic particle and base
Liquid, magnetic particle are boron nitride or iron boride.
The radiator of the present invention can also have the feature that：Wherein, radiating part also includes and heat conduction tube outer surface
The radiating fin being in contact.
The radiator of the present invention can also have the feature that：Wherein, heat-dissipating pipe is copper pipe or aluminium-alloy pipe.
The effect of invention
According to radiator according to the present invention, because heat source is in contact with heat-dissipating pipe, magnetic fluid is housed in heat-dissipating pipe,
Multiple electromagnetic units are provided on heat-dissipating pipe, power supply is connected with multiple electromagnetic units, and control unit can control power supply to multiple
Electromagnetic unit provides electric energy, and magnetic field is generated to control multiple electromagnetic units, and magnetic fluid circulates under the influence of a magnetic field, from
And take away LED chip generation heat, therefore, radiator of the invention not only rate of heat dissipation it is high, it is noiseless, simple for process but also
It is economical and practical.
Description of the drawings
Fig. 1 is the structural schematic diagram of radiator in the embodiment of the present invention；And
Fig. 2 is the schematic diagram that magnetic fluid flows in the embodiment of the present invention.
Specific implementation mode
It is real below in order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand
Example combination attached drawing is applied to be specifically addressed the radiator of the present invention.
Fig. 1 is the structural schematic diagram of radiator in the embodiment of the present invention.
As shown in Figure 1, radiator 100 is used to radiate to heat sources such as LED light, high, the noiseless, work with rate of heat dissipation
Simple and economical and practical etc. the advantage of skill.Radiator 100 includes：Configuration part (not shown), acquisition portion (are not shown in figure
Show), radiating part 10, control unit (not shown).
Radiating part 10 includes：110,8 electromagnetic units 120 of heat-dissipating pipe, envelope magnetic tube 130, radiating fin 140.
The material of heat-dissipating pipe 110 is that the good material of thermal conductivity, the magnetic fluids such as copper or aluminium alloy are encapsulated in heat-dissipating pipe 110
Interior, heat-dissipating pipe 110 forms closed shape, and in the present embodiment, heat-dissipating pipe 110 is rectangle.The surface of heat-dissipating pipe 110 is arranged
There are plane domain, LED light to be mounted on the plane domain of heat-dissipating pipe 110, wherein the LED chip 200 of LED light and heat-dissipating pipe 110
Plane domain be in contact, the LED chip 200 and heat-dissipating pipe 110 therefore, it is possible to make come into full contact with, increase heat dissipation area, to
Improve radiating efficiency.
Magnetic fluid includes magnetic particle and base fluid, and magnetic particle is that the thermal stability such as boron nitride or iron boride are good, magnetizes
The high particle of intensity, base fluid are the good liquid of the thermal diffusivity adaptable with magnetic particle.
One electromagnetic unit 120 includes：6 solenoids 121 being wrapped on heat-dissipating pipe 110.6 solenoids 121 are adjacent
It being wrapped on heat-dissipating pipe 110,121 winding direction of each solenoid is identical, after energization, the magnetic field of the generation of each solenoid 121
Direction is identical.It can ensure in this way, magnetic fluid is flowed along a direction in heat-dissipating pipe 110.
Digital power is connect with multiple electromagnetic units 120, for the scanning power supply made of Design of Digital Circuit, for for
Multiple electromagnetic units 120 provide electric energy, to make the solenoid 121 in electromagnetic unit 120 generate magnetic field.
Envelope magnetic tube 130 covers multiple electromagnetic units 120, is used for armoured magnetic field, avoids the interference of exterior magnetic field, while
Do shell use.
Radiating fin 140 is equably welded on the outer surface of heat-dissipating pipe 110, for increasing cooling surface area, improves heat dissipation
Effect.Near LED light, the outer surface of heat-dissipating pipe 110 is not provided with radiating fin, but is wrapped up by the good metal of thermal conductivity.Its
In, there are the pipeline section of radiating fin 140, solenoid 121 to be wrapped in the position between two panels radiating fin 140 on heat-dissipating pipe 110.
Acquisition portion is thermal sensing device, is contacted with LED chip 200, the real time temperature for acquiring LED chip 200.Setting
Portion is used to set the predetermined temperature of LED chip 200.Real time temperature and predetermined temperature of the comparing section for comparing LED chip 200
Size obtains comparison result.
Control unit controls digital power according to the comparison result that comparing section obtains and provides electric energy to multiple electromagnetic units 120,
To make the solenoid 121 of electromagnetic unit 120 be sequentially generated magnetic field.
When LED light works, LED chip 200 generates heat, and acquisition portion acquires the real time temperature of LED chip 200, works as acquisition
When the real time temperature for the LED chip that portion 150 acquires is more than predetermined temperature, control unit is by controlling digital power to multiple electromagnetism lists
Member 120 provides electric energy, and to make the solenoid of electromagnetic unit 120 be sequentially generated magnetic field, magnetic fluid flows in heat-dissipating pipe 110,
To radiate to LED chip 200.When the real time temperature of the LED chip 200 of acquisition portion acquisition is less than predetermined temperature, control
Portion's control digital power processed powers off multiple electromagnetic units 120, and magnetic fluid does not flow, to not dissipated to LED chip 200
Heat.Therefore, it is possible to energy saving.
Fig. 2 is the schematic diagram that magnetic fluid flows in the embodiment of the present invention.
As shown in Fig. 2, in order to illustrate magnetic fluid flow direction, 6 solenoids of each electromagnetic unit 120 are numbered respectively
For solenoid a, solenoid b, solenoid c, solenoid d, solenoid e and solenoid f.When the reality of the LED chip of acquisition portion acquisition
When Shi Wendu is more than predetermined temperature, control unit control digital power is connected to multiple electromagnetic units 120, and digital power is first to spiral shell
Coil a power supplies so that this solenoid a, which is powered, generates magnetic field, and the magnetic particle near solenoid a is magnetized, the effect in magnetic field
Magnetic particle moves right certain distance, and then, digital power powers off solenoid a, the magnetic particle demagnetization being magnetized, right
Solenoid b power supply so that solenoid b generates magnetic field, and the magnetic particle near solenoid b is magnetized, under the influence of a magnetic field by
Magnetized magnetic particle moves right certain distance.
The operation principle of other 4 solenoids is similar with solenoid b with solenoid a, does not do repeated explanation herein.Cause
This, digital power simultaneously powers successively to the solenoid 121 of each electromagnetic unit 120 so that magnetic particle is in heat-dissipating pipe 110
It circulates, to drive base fluid in 110 internal circulation flow of heat-dissipating pipe.Process of the magnetic fluid in 110 internal circulation flow of heat-dissipating pipe
In take away the heat of the generation of LED chip 200, the heat of the absorption of magnetic fluid transfers heat to external environment by radiating fin
In, to cool down to LED chip 200.
The magnetic direction that magnetic fluid flow direction generates after being powered with solenoid 121 is related, is generated according to solenoid 121
The direction in magnetic field, magnetic fluid can flow in heat-dissipating pipe 110 clockwise, can also the flowing in heat-dissipating pipe 110 counterclockwise.
The effect of embodiment
Radiator involved by the present embodiment is equipped with magnetic current because heat source is in contact with heat-dissipating pipe in heat-dissipating pipe
Body is provided with multiple electromagnetic units on heat-dissipating pipe, and power supply is connected with multiple electromagnetic units, and control unit can control power supply to more
A electromagnetic unit provides electric energy, and magnetic field is generated to control multiple electromagnetic units, and magnetic fluid circulates under the influence of a magnetic field,
To take away LED chip generation heat, therefore, radiator of the invention not only rate of heat dissipation it is high, noiseless, simple for process and
And it is economical and practical.
In the present embodiment, because with configuration part, acquisition portion, comparing section, therefore control unit can be adopted according to acquisition portion
The real time temperature of the LED chip of collection controls whether radiating part radiates, therefore can be energy saving.
In the present embodiment, because the position contacted with the heat source on heat-dissipating pipe is plane, therefore, it is possible to rapidly will
The heat that heat source generates is taken away, and radiating efficiency is improved.
In the present embodiment, because heat dissipation tube outer surface is additionally provided with multiple radiating fins, therefore, heat dissipation effect is more preferable.
The above embodiment is the preferred case of the present invention, is not intended to limit protection scope of the present invention.
Claims (7)
1. a kind of radiator can radiate to heat source using magnetic fluid, which is characterized in that including：
Radiating part, including：It is in contact with the heat source and is set for containing the heat-dissipating pipe of the magnetic fluid, being separated by with preset space length
Set multiple electromagnetic units on the heat-dissipating pipe, be connected with the multiple electromagnetic unit for provide electric energy power supply, with
And cover envelope magnetic tube of the multiple electromagnetic unit for preventing external magnetic field from being interfered to the multiple electromagnetic unit；And
Control unit is connected with the power supply and the multiple electromagnetic unit, for controlling the power supply to the multiple electromagnetism
Unit provides electric energy；
Configuration part, for setting predetermined temperature；
Acquisition portion, the real time temperature for acquiring the heat source；And
Comparing section, for the size of the predetermined temperature and the real time temperature to obtain comparison result,
Wherein, the control unit controls the power supply and provides electric energy to the multiple electromagnetic unit, makes the multiple electromagnetic unit
Magnetic field is generated, the magnetic fluid circulates under the action of the magnetic field, to carry out the heat dissipation to the heat source,
The control unit controls the power supply according to the comparison result and provides the electric energy to the multiple electromagnetic unit successively
So that the multiple electromagnetic unit is sequentially generated the magnetic field.
2. radiator according to claim 1, it is characterised in that：
Wherein, the acquisition portion is thermal sensing device.
3. radiator according to claim 1, it is characterised in that：
Wherein, the surface for the part being in contact with the heat source on the heat-dissipating pipe be plane, for increase the heat-dissipating pipe with
Heat dissipation area between the heat source.
4. radiator according to claim 1, it is characterised in that：
Wherein, the electromagnetic unit is a plurality of solenoids being wrapped on the heat-dissipating pipe, and the control unit controls the electricity
Source provides electric energy to the electromagnetic unit, and the solenoid is made to be sequentially generated magnetic field.
5. radiator according to claim 1, it is characterised in that：
Wherein, the magnetic fluid includes：Magnetic particle and base fluid, the magnetic particle are boron nitride or iron boride.
6. radiator according to claim 1, it is characterised in that：
Wherein, the radiating part also includes the radiating fin being in contact with the heat dissipation tube outer surface.
7. radiator according to claim 1, it is characterised in that：
Wherein, the heat-dissipating pipe is copper pipe or aluminium-alloy pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640832.4A CN105135390B (en) | 2015-09-30 | 2015-09-30 | Radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510640832.4A CN105135390B (en) | 2015-09-30 | 2015-09-30 | Radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105135390A CN105135390A (en) | 2015-12-09 |
| CN105135390B true CN105135390B (en) | 2018-07-27 |
Family
ID=54720845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510640832.4A Expired - Fee Related CN105135390B (en) | 2015-09-30 | 2015-09-30 | Radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105135390B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013785A (en) * | 2019-03-18 | 2019-07-16 | 唐熙翔 | A kind of magnetic fluid heat exchange magnetic stirrer |
Citations (8)
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|---|---|---|---|---|
| CN201273550Y (en) * | 2008-08-25 | 2009-07-15 | 朱建钦 | Magnetofluid LED lamp |
| CN102128437A (en) * | 2011-02-07 | 2011-07-20 | 林智勇 | LED (light-emitting diode) magnetic fluid radiating device |
| CN202109309U (en) * | 2011-04-30 | 2012-01-11 | 林莎莎 | Inserted tube fin radiating LED (light-emitting diode) lamp |
| CN203068320U (en) * | 2013-01-30 | 2013-07-17 | 广东爱华新光电科技有限公司 | High-efficiency radiating LED spotlight |
| CN103423648A (en) * | 2013-08-29 | 2013-12-04 | 顺德职业技术学院 | Magnetic-fluid heat-pipe high-power LED (Light Emitting Diode) lamp |
| CN203464001U (en) * | 2013-08-29 | 2014-03-05 | 顺德职业技术学院 | High-power LED (Light-emitting Diode) lamp |
| 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 |
| CN204084267U (en) * | 2014-01-13 | 2015-01-07 | 汕头大学 | Hydrothermomagnetic LED heat abstractor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101131426B1 (en) * | 2011-12-02 | 2012-04-05 | 신관우 | Led lamp device with high radiat heat efficiency and radiant heat insulating liquid used therein |
-
2015
- 2015-09-30 CN CN201510640832.4A patent/CN105135390B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201273550Y (en) * | 2008-08-25 | 2009-07-15 | 朱建钦 | Magnetofluid LED lamp |
| CN102128437A (en) * | 2011-02-07 | 2011-07-20 | 林智勇 | LED (light-emitting diode) magnetic fluid radiating device |
| CN202109309U (en) * | 2011-04-30 | 2012-01-11 | 林莎莎 | Inserted tube fin radiating LED (light-emitting diode) lamp |
| CN203068320U (en) * | 2013-01-30 | 2013-07-17 | 广东爱华新光电科技有限公司 | High-efficiency radiating LED spotlight |
| CN103423648A (en) * | 2013-08-29 | 2013-12-04 | 顺德职业技术学院 | Magnetic-fluid heat-pipe high-power LED (Light Emitting Diode) lamp |
| CN203464001U (en) * | 2013-08-29 | 2014-03-05 | 顺德职业技术学院 | High-power LED (Light-emitting Diode) lamp |
| CN204084267U (en) * | 2014-01-13 | 2015-01-07 | 汕头大学 | Hydrothermomagnetic LED heat abstractor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105135390A (en) | 2015-12-09 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |