CN103807615A - Lamp - Google Patents
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- Publication number
- CN103807615A CN103807615A CN201210440241.9A CN201210440241A CN103807615A CN 103807615 A CN103807615 A CN 103807615A CN 201210440241 A CN201210440241 A CN 201210440241A CN 103807615 A CN103807615 A CN 103807615A
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- Prior art keywords
- light fixture
- radiator
- semiconductor chilling
- card
- host cavity
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Abstract
The invention discloses a lamp which comprises a shell and a light source. The light source is contained inside the shell. The lamp further comprises a radiator and a semiconductor refrigeration piece. The shell comprises a first containing cavity and a second containing cavity, wherein the first containing cavity and the second containing cavity are isolated from each other. A partition plate is arranged between the first containing cavity and the second containing cavity. The radiator and the semiconductor refrigeration piece are contained inside the first containing cavity. The hot end of the semiconductor refrigeration piece is thermally coupled to the radiator. The cold end of the semiconductor refrigeration piece is thermally coupled to the partition plate. The light source is contained inside the second containing cavity. The light source is thermally coupled to the partition plate. The first containing cavity is provided with a radiating through hole. The radiator is exposed out of the radiating through hole. According to the lamp, due to the semiconductor refrigeration piece and the radiator, the radiating speed of the lamp is increased, and the radiating efficiency of the lamp is improved; due to the fact that a heat absorption part and a radiation part of the radiator are arranged inside two different spaces, the semiconductor refrigeration piece can better absorb heat, the temperature of the space inside the lamp can be lowered, and the service life of the lamp is prolonged.
Description
Technical field
The present invention relates to a kind of lighting device, relate in particular to a kind of light fixture.
Background technology
Existing light fixture is all generally to conduct to dispel the heat by heat.When design, contact the heating position of light fixture by housing, heat is passed.But this conduction pattern, efficiency is low, and speed is slow.Along with the increase of lamp power, this simple heat dissipation design has been not enough to meet the radiating requirements of light fixture, causes heat radiation not in time, finally causes the life-span of light fixture to decline.
Summary of the invention
The object of the present invention is to provide a kind of light fixture of good heat dissipation effect.
In order to solve the problems of the technologies described above, the invention provides a kind of light fixture, it comprises housing and light source, described light source is contained in described housing, described light fixture also comprises radiator and semiconductor chilling plate, described housing comprises mutually isolated the first host cavity and the second host cavity, between described the first host cavity and the second host cavity, dividing plate is set, described radiator and semiconductor chilling plate are contained in described the first host cavity, described semiconductor chilling plate hot junction is thermally coupled in described radiator, described semiconductor chilling plate cold junction is thermally coupled in described dividing plate, described light source is contained in described the second host cavity, described light source is thermally coupled on described dividing plate, described the first host cavity is offered heat radiation through hole, described radiator is exposed by described heat radiation through hole.
Wherein, described semiconductor chilling plate comprises the first card and the second card that are parallel to each other, described the first card is described semiconductor chilling plate cold junction, described the first card is posted by described dividing plate, described the second card is described semiconductor chilling plate hot junction, described the first opening is rectified described the second card setting, and described the second card is posted by described radiator.
Wherein, described radiator is radiating fin.
Wherein, described radiator is made of copper.
Wherein, described light fixture also comprises fan, and described fan is thermally coupled on described radiator, and described fan is exposed by described heat radiation through hole.
Wherein, described light source comprises circuit board and bulb, and described circuit board is fixed on described dividing plate, and described circuit board is just to described semiconductor chilling plate, and described bulb is installed on described circuit board.
Wherein, described circuit board is connected by screw on described dividing plate.
Wherein, described light fixture also comprises reflection shield, and described reflection shield covers on described bulb.
Wherein, described light fixture also comprises sealing ring, and described sealing ring is sealed between described reflection shield and described housing.
Wherein, described light fixture also comprises transparent cover plate and pressure ring, and described pressure ring is fixed on the light-emitting window of described housing, and described pressure ring comprises through hole, and described transparent cover plate is held between the light-emitting window of described housing and the edge of described pressure ring.
Light fixture provided by the invention is accelerated the radiating rate of described light fixture by described semiconductor chilling plate and described radiator, improve the radiating efficiency of described light fixture, because the heat absorption of described radiator and radiator portion are in two different spaces, thereby make described semiconductor chilling plate can absorb better heat, the inner space temperature of described light fixture is declined, extended the service life of described light fixture.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of the light fixture that provides of embodiment of the present invention;
Fig. 2 is the cutaway view of light fixture shown in Fig. 1 along II-II line;
Fig. 3 is the schematic diagram of the element of lamp interior shown in Fig. 1.
The specific embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
See also Fig. 1 to Fig. 3, a kind of light fixture 100 that embodiment of the present invention provides, it comprises housing 10, light source 20, radiator 30, fan 40, semiconductor chilling plate 50, reflection shield 60, transparent cover plate 70 and pressure ring 80.Described fan 40, radiator 30, semiconductor chilling plate 50, light source 20 and reflection shield 60 are contained in described housing 10 successively.
Described housing 10 comprises mutually isolated the first host cavity 11 and the second host cavity 12, between described the first host cavity 11 and the second host cavity 12, dividing plate 13 is set.Described the first host cavity is offered heat radiation through hole 110.Described heat radiation through hole 110 is manhole.Described the first host cavity 11 is accommodated described radiator 30 and semiconductor chilling plate 50.Described the second host cavity 12 is accommodated described light source 20 and reflection shield 60.
Described radiator 30 is exposed by described heat radiation through hole 110.The heat absorption of described radiator 30 and radiator portion be in two different spaces, thereby make described semiconductor chilling plate 50 can absorb better heat, and the inner space temperature of described light fixture 100 is declined, and reaches the order ground of heat radiation.In present embodiment, described radiator 30 is made of copper.Described radiator 30 is radiating fin.Described radiator 30 is fixed on described dividing plate 13 by pillar 9.Described fan 40 is thermally coupled on described radiator 30, and described fan 30 is exposed by described heat radiation through hole 110.Particularly, described fan 40 is directly posted by described radiator 30.
Described semiconductor chilling plate 50 hot junctions are thermally coupled in described radiator 30.In present embodiment, described semiconductor chilling plate 50 is disc-shaped structure.Described semiconductor chilling plate 50 comprises the first card 50a and the second card 50b that are parallel to each other, and described the first card 50a is described semiconductor chilling plate 50 cold junctions, and described the first card 50a is posted by described dividing plate 13.Described the second card 50b is described semiconductor chilling plate 50 hot junctions.Certainly, in other embodiments, described semiconductor chilling plate 50 can be also the disk-like structure such as rectangle, ellipse.Described semiconductor chilling plate 50 connects power supply circuits (not shown).Described the second card 50b is posted by described radiator 30.
Described light source 20 is thermally coupled on described dividing plate 13.In present embodiment, described light source 20 comprises circuit board 21 and bulb 22, and described circuit board 21 is fixed on described dividing plate 13, and described circuit board 21 is just to described semiconductor chilling plate 50, and described bulb 22 is installed on described circuit board 21.Described circuit board 21 is connected on described dividing plate 13 by screw 8.Certainly, in other embodiments, described circuit board 21 also can be fixed on described dividing plate 13 by modes such as welding, bondings.
Described reflection shield 60 is parabolic shape reflector, and described reflection shield 60 one end cover on described bulb 22.The other end of described reflection shield 60 is fixed on the light-emitting window 12a of described the second host cavity 12.Sealing ring 7 is sealed between described reflection shield 60 and described housing 10.Described transparent cover plate 70 is held between the light-emitting window 12a of described housing 10 and the edge of described pressure ring 80, and described transparent cover plate 70 seals described light-emitting window 12a.Described pressure ring 80 is fastened on described light-emitting window 12a, and described transparent cover plate 70 is pressed in to described light-emitting window 12a.Certainly, in other embodiments, also can omit described pressure ring 80, described transparent cover plate 70 closes described light-emitting window 12a by helicitic texture or rubber seal.
In addition, described dividing plate 13 can completely cut off other heat radiation approach, reduces the reverse conduction of heat.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a light fixture, it comprises housing and light source, described light source is contained in described housing, it is characterized in that, described light fixture also comprises radiator and semiconductor chilling plate, described housing comprises mutually isolated the first host cavity and the second host cavity, between described the first host cavity and the second host cavity, dividing plate is set, described radiator and semiconductor chilling plate are contained in described the first host cavity, described semiconductor chilling plate hot junction is thermally coupled in described radiator, described semiconductor chilling plate cold junction is thermally coupled in described dividing plate, described light source is contained in described the second host cavity, described light source is thermally coupled on described dividing plate, described the first host cavity is offered heat radiation through hole, described radiator is exposed by described heat radiation through hole.
2. light fixture according to claim 1, it is characterized in that, described semiconductor chilling plate comprises the first card and the second card that are parallel to each other, described the first card is described semiconductor chilling plate cold junction, described the first card is posted by described dividing plate, described the second card is described semiconductor chilling plate hot junction, and described the first opening is rectified described the second card setting, and described the second card is posted by described radiator.
3. light fixture according to claim 1, is characterized in that, described radiator is radiating fin.
4. light fixture according to claim 1, is characterized in that, described radiator is made of copper.
5. light fixture according to claim 1, is characterized in that, described light fixture also comprises fan, and described fan is thermally coupled on described radiator, and described fan is exposed by described heat radiation through hole.
6. light fixture according to claim 1, is characterized in that, described light source comprises circuit board and bulb, and described circuit board is fixed on described dividing plate, and described circuit board is just to described semiconductor chilling plate, and described bulb is installed on described circuit board.
7. light fixture according to claim 6, is characterized in that, described circuit board is connected by screw on described dividing plate.
8. light fixture according to claim 6, is characterized in that, described light fixture also comprises reflection shield, and described reflection shield covers on described bulb.
9. light fixture according to claim 1, is characterized in that, described light fixture also comprises sealing ring, and described sealing ring is sealed between described reflection shield and described housing.
10. light fixture according to claim 1, it is characterized in that, described light fixture also comprises transparent cover plate and pressure ring, and described pressure ring is fixed on the light-emitting window of described housing, described pressure ring comprises through hole, and described transparent cover plate is held between the light-emitting window of described housing and the edge of described pressure ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210440241.9A CN103807615A (en) | 2012-11-07 | 2012-11-07 | Lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210440241.9A CN103807615A (en) | 2012-11-07 | 2012-11-07 | Lamp |
Publications (1)
Publication Number | Publication Date |
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CN103807615A true CN103807615A (en) | 2014-05-21 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210440241.9A Pending CN103807615A (en) | 2012-11-07 | 2012-11-07 | Lamp |
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CN (1) | CN103807615A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982883A (en) * | 2014-05-28 | 2014-08-13 | 昆山生态屋建筑技术有限公司 | Reflector lamp adjustable in light emitting angle |
CN105570785A (en) * | 2015-08-07 | 2016-05-11 | 常州通宝光电股份有限公司 | Automotive LED headlamp capable of conducting forced cooling during automobile motion |
CN113864734A (en) * | 2021-08-04 | 2021-12-31 | 中山市推特照明有限公司 | Lighting device based on electricity card refrigeration |
Citations (9)
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CN101082414A (en) * | 2006-05-30 | 2007-12-05 | 新灯源科技有限公司 | Luminous diode lighting appararatus with high power and high heat sinking efficiency |
CN101368714A (en) * | 2007-08-16 | 2009-02-18 | 大亿交通工业制造股份有限公司 | Heat radiating device for LED vehicle lamp |
KR20090029126A (en) * | 2007-09-17 | 2009-03-20 | 현대모비스 주식회사 | Head lamp apparatus for vehicles |
CN101493221A (en) * | 2008-01-24 | 2009-07-29 | 华信精密股份有限公司 | Dual chamber street lamp holder structure |
CN201902935U (en) * | 2010-12-07 | 2011-07-20 | 天津市中环华祥电子有限公司 | Multi-point LED (light emitting diode) projection lamp |
CN102252200A (en) * | 2011-07-06 | 2011-11-23 | 卢会水 | Semiconductor refrigeration high-power LED lamp |
CN202109312U (en) * | 2011-05-13 | 2012-01-11 | 泉州市弘扬广告科技有限公司 | High power LED street lamp |
CN102374457A (en) * | 2011-09-29 | 2012-03-14 | 苏州承源光电科技有限公司 | Light-emitting diode (LED) street lamp |
WO2012077850A1 (en) * | 2010-12-07 | 2012-06-14 | 경희대학교 산학협력단 | Diffusion type led lighting apparatus utilizing dye-sensitized solar cells |
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2012
- 2012-11-07 CN CN201210440241.9A patent/CN103807615A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101082414A (en) * | 2006-05-30 | 2007-12-05 | 新灯源科技有限公司 | Luminous diode lighting appararatus with high power and high heat sinking efficiency |
CN101368714A (en) * | 2007-08-16 | 2009-02-18 | 大亿交通工业制造股份有限公司 | Heat radiating device for LED vehicle lamp |
KR20090029126A (en) * | 2007-09-17 | 2009-03-20 | 현대모비스 주식회사 | Head lamp apparatus for vehicles |
CN101493221A (en) * | 2008-01-24 | 2009-07-29 | 华信精密股份有限公司 | Dual chamber street lamp holder structure |
CN201902935U (en) * | 2010-12-07 | 2011-07-20 | 天津市中环华祥电子有限公司 | Multi-point LED (light emitting diode) projection lamp |
WO2012077850A1 (en) * | 2010-12-07 | 2012-06-14 | 경희대학교 산학협력단 | Diffusion type led lighting apparatus utilizing dye-sensitized solar cells |
CN202109312U (en) * | 2011-05-13 | 2012-01-11 | 泉州市弘扬广告科技有限公司 | High power LED street lamp |
CN102252200A (en) * | 2011-07-06 | 2011-11-23 | 卢会水 | Semiconductor refrigeration high-power LED lamp |
CN102374457A (en) * | 2011-09-29 | 2012-03-14 | 苏州承源光电科技有限公司 | Light-emitting diode (LED) street lamp |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103982883A (en) * | 2014-05-28 | 2014-08-13 | 昆山生态屋建筑技术有限公司 | Reflector lamp adjustable in light emitting angle |
CN103982883B (en) * | 2014-05-28 | 2017-04-26 | 昆山生态屋建筑技术有限公司 | Reflector lamp adjustable in light emitting angle |
CN106838661A (en) * | 2014-05-28 | 2017-06-13 | 昆山欣海韵贸易有限公司 | A kind of shot-light |
CN106838661B (en) * | 2014-05-28 | 2019-03-01 | 昆山欣海韵贸易有限公司 | A kind of shot-light |
CN105570785A (en) * | 2015-08-07 | 2016-05-11 | 常州通宝光电股份有限公司 | Automotive LED headlamp capable of conducting forced cooling during automobile motion |
CN113864734A (en) * | 2021-08-04 | 2021-12-31 | 中山市推特照明有限公司 | Lighting device based on electricity card refrigeration |
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Application publication date: 20140521 |