CN103836386B - Light fixture and its heat sink - Google Patents
Light fixture and its heat sink Download PDFInfo
- Publication number
- CN103836386B CN103836386B CN201210481331.2A CN201210481331A CN103836386B CN 103836386 B CN103836386 B CN 103836386B CN 201210481331 A CN201210481331 A CN 201210481331A CN 103836386 B CN103836386 B CN 103836386B
- Authority
- CN
- China
- Prior art keywords
- light fixture
- radiating block
- heat sink
- housing
- runner pipe
- 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.)
- Active
Links
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of light fixture and its heat sink.Light fixture includes housing, light source assembly and light fixture heat sink, and light source assembly and light fixture heat sink are arranged in housing.Light fixture heat sink includes semiconductor chilling plate, radiating block, runner pipe and fan；Semiconductor chilling plate is fixedly connected with radiating block, and through hole is offered on radiating block；Runner pipe is bent into tool ring-type jaggy；Radiating block and fan are fixed in breach, and the inner chamber of runner pipe and the through hole of radiating block constitute the circulation loop for air flow；Runner pipe and radiating block are made by heat-conducting, and fan is fixed on the end of through hole, for promoting the air circulation flow in runner pipe.Air in runner pipe can be freezed using semiconductor chilling plate and radiating block, cold air is circulated by fan, heat conduction efficiency can be increased substantially, cool efficiency high；By circulating for cold air, the heat at the multiple positions of light fixture is can absorb, makes the Temperature Distribution of whole light fixture more uniform.
Description
Technical field
The present invention relates to a kind of lighting device, more particularly to a kind of light fixture and its heat sink.
Background technology
General large-scale light fixture is because light source compares concentration, and light source caloric value is big, and the heat conducting and radiating of conventional lamp is general
It is, by housing contact heating position, to transfer heat away from.But this radiating mode is less efficient, and each position temperature of light fixture
Degree is uneven.
The content of the invention
It is an object of the invention to provide a kind of light fixture and its heat sink, cool efficiency high, and makes the temperature of whole light fixture
Degree distribution is more uniform.
In order to solve the above-mentioned technical problem, the invention provides a kind of light fixture heat sink, including semiconductor chilling plate, dissipate
Hot block, runner pipe and fan；Wherein,
The semiconductor chilling plate is fixedly connected with the radiating block, and through hole is offered on the radiating block；
The runner pipe is bent into tool ring-type jaggy；The radiating block and the fan are fixed in breach, and institute
State the inner chamber of runner pipe and the circulation loop for supplying air flow is constituted with the through hole of the radiating block；The runner pipe and the radiating
Block is made by heat-conducting,
The fan is fixed on the end of the through hole, for promoting the air circulation flow in the runner pipe.
Wherein, the radiating block is aluminium block.
Wherein, the through hole is multiple for what is be axially parallel to each other.
Wherein, the radiating block is hexahedron, with two relative end faces and four sides, the through hole connection radiating
Two end faces of block, the semiconductor chilling plate is fixed on the side of the radiating block.
Wherein, the semiconductor chilling plate is two, is separately positioned on two relative sides on the radiating block.
Wherein, the fan and the through hole is axially in parallel, and the wind direction of the fan is towards the radiating block.
Correspondingly, present invention also offers a kind of light fixture, including housing and the light source assembly that is arranged in housing, the lamp
Tool also includes foregoing light fixture heat sink, and the light fixture heat sink is arranged in the housing.
Wherein, the housing is made up of heat-conducting, and the runner pipe is connected with the inwall of the housing.
Wherein, division board is provided with the housing, division board is made up of heat-conducting, the cavity in housing is divided into mutually
The light-source chamber and cooling chamber of isolation；The light source assembly is arranged in the light-source chamber, and the light fixture heat sink is arranged on institute
State cooling intracavitary.
Wherein, the outer wall of the housing is provided with multiple fin.
Light fixture and its heat sink that the present invention is provided, can be to air in runner pipe using semiconductor chilling plate and radiating block
Freezed, cold air is circulated by fan, heat conduction efficiency can be increased substantially, cool efficiency high；Pass through cold sky
Circulating for gas, can absorb the heat at the multiple positions of light fixture, makes the Temperature Distribution of whole light fixture more uniform.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the outside schematic diagram for the light fixture that the preferred embodiment for the present invention is provided；
Fig. 2 is Fig. 1 part sectioned view；
Fig. 3 is profile at Fig. 1 A-A；
Fig. 4 is profile at Fig. 1 B-B.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is carried out clear
Chu, it is fully described by.
Also referring to Fig. 1 to Fig. 4, a kind of light fixture that embodiment of the present invention is provided, including housing 1 and be arranged at
Light source assembly 2 and light fixture heat sink 3 in housing 1, light fixture heat sink 3 include semiconductor chilling plate 31, radiating block 32, stream
Siphunculus 33 and fan 34.
Semiconductor chilling plate 31 is a kind of ripe refrigeration part, using the Peltier effects of semi-conducting material, works as direct current
During the galvanic couple that electricity is connected into by two kinds of different semi-conducting materials, heat can be absorbed respectively at the two ends of galvanic couple and heat is released
Amount, it is possible to achieve the purpose of refrigeration.
As shown in Fig. 2 semiconductor chilling plate 31 is fixedly connected with radiating block 32, radiating block 32 is made up of heat-conducting, when
Radiating block 32 is freezed after semiconductor chilling plate 31 is powered, the temperature drop of radiating block 32.Preferably, radiating block 32 is aluminium
Block, in order to quick cooling.Through hole 320 is offered on radiating block 32, the circulation for air.As shown in figure 4, through hole 320 is
What is be axially parallel to each other is multiple, in favor of the refrigeration to air and circulation.
For the ease of the connection of radiating block 32 and semiconductor chilling plate 31, it is preferable that as shown in Fig. 2 radiating block 32 is six
Face body, with two relative end faces and four sides, through hole 320 connects two end faces of radiating block 32, semiconductor chilling plate
31 are fixed on the side of radiating block 32, to increase the contact area of radiating block 32 and semiconductor chilling plate 31, enhancing refrigeration effect
Really, while beneficial to the connection of radiating block 32 and fan 34.In order to further enhance refrigeration, as shown in figure 4, semiconductor refrigerating
Piece 31 is two, is separately positioned on two relative sides on radiating block 32.Certainly, herein radiating block 32 can also for cylindricality or its
His solid geometry shape.
Runner pipe 33 is made up of heat-conducting, and is bent into tool ring-type jaggy；Radiating block 32 and fan 34 are fixed on
In breach, and the inner chamber of runner pipe 33 constitutes the circulation loop for air flow with the through hole 320 of radiating block 32.Runner pipe 33 by
Heat-conducting, which is made, can be easy to the heat exchange of the inner air and outer air of runner pipe 33.
Fan 34 is fixed on the end of through hole 320, i.e. fan 34 and is fixed on the end face of radiating block 32, for promoting stream
Air circulation flow in siphunculus 33, so as to increase substantially heat conducting and radiating efficiency.Preferably, fan 34 and through hole 320
It is axially in parallel, the wind direction of fan 34 is towards radiating block 32, as early as possible follow the pipe 33 that circulates of the cold air in through hole 320
Ring.Certainly, the wind direction of fan 34 can also be directed away from the direction of radiating block 32.
Air in runner pipe 33 can be freezed using semiconductor chilling plate 31 and radiating block 32, be made by fan 34 cold
Air circulation flow, can increase substantially heat conduction efficiency, and cool efficiency high.And circulating by cold air, not only inhale
The heat at radiating block 32 is received, the heat at other multiple positions of light fixture is also can absorb, makes the Temperature Distribution of whole light fixture more equal
It is even.
It is provided with division board 10 in housing 1, the cavity in housing 1 is divided into mutually isolated light-source chamber and cooling by division board 10
Chamber, housing 1 and division board 10 are made by heat-conducting.Light source assembly 2 is arranged in light-source chamber 101, and light fixture heat sink 3 is set
Put in cooling chamber 102, so as to avoid influence of the light fixture heat sink 3 to the explosion-proof performance of light source assembly 2.Light source assembly 2 is produced
Heat by division board 10 be delivered to cooling chamber 102 in, radiated by light fixture heat sink 3.Certainly, light fixture drops herein
Warm device 3 can also directly surround the surrounding for being arranged on light source assembly 2, in favor of fast cooling.
Runner pipe 33 is connected with the inwall of housing 1, the temperature of reduction lamp interior and housing 1, so as to reach that light fixture is overall
The purpose of cooling, makes the Temperature Distribution of whole light fixture more uniform, so as to solve the Temperature Distribution of traditional heat conducting and radiating not
Uniformity problem.
Light source assembly 2 includes light source 21, reflector 22 and circuit board 23, and circuit board 23 is fixedly connected with division board 10, with
Just division board 10 is transferred heat to.Light source 21 is fixed on circuit board 23, and reflector 22 is fixedly connected with housing 1, and light source 21
It is arranged in reflector 22.The light extraction end of reflector 22 is towards the openend of the chamber 101 of light source 21.
The openend of the chamber 101 of light source 21 is provided with protecgulum 11 and glass 12, can be by the chamber of light source 21 by protecgulum 11 and glass 12
101 sealings, while being easy to the injection of light.The openend of cooling chamber 102 is sealed by bonnet 13.
For the ease of light fixture heat to external diffusion, the outer wall of housing 1 is provided with multiple fin 14.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of light fixture heat sink, including semiconductor chilling plate and radiating block, the semiconductor chilling plate and the radiating block
It is fixedly connected, it is characterised in that through hole is offered on the radiating block, the light fixture heat sink also includes runner pipe and wind
Fan；
The runner pipe is bent into tool ring-type jaggy；The radiating block and the fan are fixed in breach, and the stream
The through hole of the inner chamber of siphunculus and the radiating block constitutes the circulation loop for air flow；The runner pipe and the radiating block are equal
It is made up of heat-conducting,
The fan is fixed on the end of the through hole, for promoting the air circulation flow in the runner pipe.
2. light fixture heat sink according to claim 1, it is characterised in that the radiating block is aluminium block.
3. light fixture heat sink according to claim 1, it is characterised in that the through hole is more for what is be axially parallel to each other
It is individual.
4. light fixture heat sink according to claim 1, it is characterised in that the radiating block is hexahedron, with two
Relative end face and four sides, the through hole connect two end faces of radiating block, and the semiconductor chilling plate is fixed on described
On the side of radiating block.
5. light fixture heat sink according to claim 4, it is characterised in that the semiconductor chilling plate is two, respectively
It is arranged on two relative sides on the radiating block.
6. light fixture heat sink according to claim 1, it is characterised in that put down the axial direction of the fan and the through hole
OK, the wind direction of the fan is towards the radiating block.
7. a kind of light fixture, including housing and the light source assembly that is arranged in housing, it is characterised in that the light fixture also includes right
It is required that the light fixture heat sink described in 1 to 6 any one, the light fixture heat sink is arranged in the housing.
8. light fixture according to claim 7, it is characterised in that the housing is made up of heat-conducting, the runner pipe with
The inwall connection of the housing.
9. light fixture according to claim 7, it is characterised in that division board is provided with the housing, division board is by heat conduction material
Matter is made, and the cavity in housing is divided into mutually isolated light-source chamber and cooling chamber；The light source assembly is arranged on the light source
Intracavitary, the light fixture heat sink is arranged on the cooling intracavitary.
10. light fixture according to claim 7, it is characterised in that the outer wall of the housing is provided with multiple fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481331.2A CN103836386B (en) | 2012-11-23 | 2012-11-23 | Light fixture and its heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210481331.2A CN103836386B (en) | 2012-11-23 | 2012-11-23 | Light fixture and its heat sink |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836386A CN103836386A (en) | 2014-06-04 |
| CN103836386B true CN103836386B (en) | 2017-08-25 |
Family
ID=50800153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210481331.2A Active CN103836386B (en) | 2012-11-23 | 2012-11-23 | Light fixture and its heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373916B (en) * | 2014-12-01 | 2017-06-16 | 东莞市闻誉实业有限公司 | Radiator with pipeline |
| CN104654074A (en) * | 2014-12-18 | 2015-05-27 | 东莞市高鑫机电科技服务有限公司 | Intelligent programmable LED (Light Emitting Diode) illuminating lamp and control method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7440280B2 (en) * | 2006-03-31 | 2008-10-21 | Hong Kong Applied Science & Technology Research Institute Co., Ltd | Heat exchange enhancement |
| CN101482256A (en) * | 2008-01-09 | 2009-07-15 | 一诠精密工业股份有限公司 | Radiating device |
| CN201242125Y (en) * | 2008-07-01 | 2009-05-20 | 中山市汉仁电子有限公司 | LED lamp with improved heat radiating structure |
| CN201363578Y (en) * | 2009-02-13 | 2009-12-16 | 苏州达方电子有限公司 | Light emitting diode lamp |
| CN101608788A (en) * | 2009-07-21 | 2009-12-23 | 史杰 | The LED lamp adopts the heat radiation device for loop heat pipe of enhanced evaporation section |
| KR101167177B1 (en) * | 2009-12-21 | 2012-07-24 | (주) 파루 | Cooling system for artificial light sources of a plant-curture factory |
| CN102446877A (en) * | 2010-10-11 | 2012-05-09 | 海洋王照明科技股份有限公司 | Semiconductor cooling device |
| CN202132826U (en) * | 2010-11-10 | 2012-02-01 | 惠州市雷盾光电照明有限公司 | Maintenance-free active type LED street lamp with heat-radiation system |
| CN202101341U (en) * | 2010-12-06 | 2012-01-04 | 陈旃 | Airduct cooling and energy saving device for machine room and base station |
-
2012
- 2012-11-23 CN CN201210481331.2A patent/CN103836386B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103836386A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205226986U (en) | Good high -power LED lamp dispels heat | |
| CN207573145U (en) | A kind of fire-proof motor of service life length | |
| CN101922778A (en) | Semiconductor refrigerating air conditioning device | |
| CN201903749U (en) | Cooling system of 3-liquid crystal display (LCD) projector adopting three light-emitting diode (LED) lamp panels to serve as light sources | |
| CN101995747A (en) | Heat radiation system for 3 liquid crystal display (LCD) projectors by adopting three LED lamp panels as light source | |
| CN103836386B (en) | Light fixture and its heat sink | |
| CN202338809U (en) | Light-emitting diode (LED) lamp | |
| CN103234132B (en) | Light-emitting diode (LED) bulb lamp | |
| CN211146420U (en) | Heat radiator for L ED emitting diode | |
| CN205825570U (en) | A kind of heat abstractor of semiconductor freezer | |
| CN104180316A (en) | High-power lamp | |
| CN202598259U (en) | Light-emitting diode (LED) bulb lamp with improved heat-dissipation | |
| CN205669690U (en) | The cold big lighting angle bulb lamp of LED liquid | |
| CN203010559U (en) | Cooling system suitable for high-power light emitting diode (LED) lighting fitting | |
| CN103292196B (en) | LED bulb | |
| CN203223831U (en) | LED street lamp radiation structure | |
| CN103292288B (en) | LED illuminating lamp | |
| CN207179231U (en) | A kind of LEDbulb lamp radiator structure | |
| CN103244934B (en) | Heat-dissipating casing of light-emitting diode (LED) lamp | |
| CN103836592B (en) | Light seat cooling construction | |
| CN207648487U (en) | One kind being based on ultrasonic wave radiating LED lamp | |
| CN206361435U (en) | A kind of industrial LED lamp | |
| CN206724041U (en) | A kind of heat abstractor based on CPU water coolings | |
| CN205669721U (en) | A kind of heat sinking formula LED street lamp light fixture | |
| CN204005606U (en) | A kind of LED bulkhead lamp capable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |