CN201885029U - High-power LED (light emitting diode) illuminating lamp with external heat pipe radiators - Google Patents
High-power LED (light emitting diode) illuminating lamp with external heat pipe radiators Download PDFInfo
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- CN201885029U CN201885029U CN2010206537169U CN201020653716U CN201885029U CN 201885029 U CN201885029 U CN 201885029U CN 2010206537169 U CN2010206537169 U CN 2010206537169U CN 201020653716 U CN201020653716 U CN 201020653716U CN 201885029 U CN201885029 U CN 201885029U
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- heat pipe
- power led
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- pipe
- external heat
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Abstract
The utility model discloses a high-power LED (light emitting diode) illuminating lamp with external heat pipe radiators, which comprises a lamp post connector, a lamp holder and external heat pipe radiators, wherein the lamp holder is arranged at one end of the lamp post connector, and the external heat pipe radiators are respectively mounted on the left side, the right side and the upper side of the lamp holder. Further, the lamp holder comprises a support, a base plate, a light transmitting panel and high-power LED light source modules, wherein the support and the lamp post connector are formed integrally, the base plate is arranged on the support, the light transmitting panel is arranged on the base plate, and the high-power LED light source modules are uniformly distributed on the base plate. Each external heat pipe radiator comprises radiating fins and a plurality of heat pipes, and the heat pipes directly contact with the high-power LED light source modules since outlines of evaporating ends of the heat pipes are tangent to the plane of the base plate. During use of the high-power LED illuminating lamp with the external heat pipe radiators, heat can be led out and then dissipated quickly, and accordingly junction temperature of a high-power LED light source module is reduced and service life of the high-power LED illuminating lamp is prolonged.
Description
Technical field
The utility model belongs to the LED technical field, is specifically related to a kind of high-power LED lighting fixture with external heat-pipe radiator.
Background technology
Light emitting diode (LED) is a kind of novel green light source of energy-conserving and environment-protective, and with respect to traditional lighting lamps such as incandescent lamp, fluorescent lamp or high-pressure mercury lamps, but LED saves energy 50～70% is saved cable expense 70%, has broad application prospects at lighting field.Although LED has very significantly energy-conserving and environment-protective advantage, but still have 85% electric energy to convert heat energy in the course of work, if do not add cooling measure, the led chip junction temperature can rise rapidly, cause light emission rate and the life-span of LED sharply to be reduced, particularly when junction temperature rose above maximum allowable temperature (being generally 125 ℃), LED can lose efficacy because of overheated.Therefore, heat dissipation problem is " bottleneck " problem that the restriction high-power LED lighting fixture is used.
Solving the high-power LED lighting fixture heat dissipation problem has two key problem in technology, and one is derived heat fast, and it two is that the heat that will derive dissipates fast.Publication number be the LED lighting patent of CN 101201154A, CN101266038A except the external radiator of heat pipe fin form also is set along the light fixture length direction the light fitting main casing back side is provided with integrated fin, this radiator is exposed in the air fully; The patent No. be the utility model LED lighting of ZL 200920132318.X, ZL 200920012995.8 at the external radiator that heat pipe fin form is set along the light fixture length direction, this radiator has netted protective cover and is exposed in the air fully.When the high-power LED lighting fixture of above-mentioned form adopts integrated optical source module (integrated 100 light sources in 25mm * 25mm scope), will face that heat pipe quantity is very few can not to derive problem fast with heat; And adopt tens of during when the high-power LED lighting fixture of above-mentioned form to hundreds of low-power light source modules (integrated 1 light source in 25mm * 25mm scope), for the volume that makes light fixture particularly length be unlikely to excessive, will be faced with heat pipe condensation end too short (it is very few that fin is installed quantity) and the heat of deriving can not be dissipated problem fast.Publication number is the LED lighting patent of CN 101315155A is respectively arranged with heat pipe fin form in lamp holder bodies top both sides an external radiator, fin is exposed in the air perpendicular to ground and radiator fully, heat can be derived fast, but because heat pipe and fin adopt interference fit rather than employing to be welded to connect, thermal resistance is bigger, simultaneously in use heat pipe and fin can fluff because of wind, vibrations light fixture, further increased thermal resistance, the radiator of this form is faced with and the heat of deriving can not be dissipated problem fast.Granted publication number is that the utility model LED lighting of CN 201448708U adopts the inclined type heat-pipe radiator in the lamp holder bodies top, and heat-pipe radiator one end connects the light source module, and the other end is connected the upper support bar of lamp stand, and radiator is exposed in the air fully.When the high-power LED lighting fixture of this heat radiation form adopts tens of during to hundreds of low-power light source modules, in order to make radiating fin be unlikely to excessive, must be with deep heat pipe bending twice, this will greatly reduce the thermal conductivity factor of heat pipe, and being faced with to derive problem fast with heat; And when the high-power LED lighting fixture of this heat radiation form adopts the integrated optical source module, in order to help Natural Heat Convection, radiating fin should be distributed in beyond the lamp holder body vertical plane, this just must use long heat pipe, and long more its condensation end temperature of heat pipe that through engineering approaches is used is low more, therefore, the lamp radiator of this form is faced with and the heat of deriving can not be dissipated problem fast.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of purpose that can realize heat derived fast and the heat of deriving is dissipated fast is provided, reduce high-power LED light source module junction temperature, improve the high-power LED lighting fixture high-power LED lighting fixture with external heat-pipe radiator in service life.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of high-power LED lighting fixture with external heat-pipe radiator, it is characterized in that, comprise the lamp stand joint, be arranged at the lamp holder body of lamp stand joint one end, be installed on the external heat-pipe radiator of the lamp holder body left and right sides and upside; Described lamp holder body comprises and the integrated support of lamp stand joint, is arranged at the substrate on support top and is arranged at the light penetrating panel on substrate top, and be uniformly distributed in the high-power LED light source module on the substrate; Described external heat-pipe radiator comprises radiating fin and Duo Gen heat pipe, and the evaporation ends outer edge of described heat pipe is cut in base plan, makes heat pipe directly contact with the high-power LED light source module.
Above-mentioned high-power LED lighting fixture with external heat-pipe radiator, heat pipe on the described external heat-pipe radiator that is installed on the lamp holder body left and right sides is for approximate L shaped, the horizontal evaporation ends of this heat pipe is connected with substrate, the evaporation ends axis of this heat pipe is parallel with base plan, the tiltedly straight condensation end of this heat pipe is connected with radiating fin, and the tiltedly straight condensation end of this heat pipe becomes 0 degree～miter angle with base plan.
Above-mentioned high-power LED lighting fixture with external heat-pipe radiator, heat pipe on the described external heat-pipe radiator that is installed on lamp holder bodies top upside is straight shape, the axis of this heat pipe is parallel with base plan, this heat pipe evaporation ends is connected with substrate, the condensation end of this heat pipe is connected with radiating fin, and the heat pipe condensation end is higher than evaporation ends during installation.
The above-mentioned high-power LED lighting fixture with external heat-pipe radiator is welded to connect between the condensation end of described heat pipe and the radiating fin.
The above-mentioned high-power LED lighting fixture with external heat-pipe radiator is welded to connect between the evaporation ends of described heat pipe and the substrate.
The above-mentioned high-power LED lighting fixture with external heat-pipe radiator, the radiating fin on the described heat pipe condensation end become 75 degree～105 degree angles with ground.
The utility model compared with prior art has the following advantages: the utility model can be realized heat being derived fast and with the purpose that the heat of deriving dissipates fast, reducing high-power LED light source module junction temperature, improves high-power LED lighting fixture service life.
1, heat conduction is fast: the utility model heat pipe and substrate adopt and are welded to connect, and heat pipe directly contacts with the high-power LED light source module, the heat pipe of external heat-pipe radiator along light source module (lamp holder body) left and right sides and the front side distribute, the heat pipe that can guarantee sufficient amount contacts with the light source module, and the heat pipe evaporation ends is straight shape than short and condensation end.Therefore, heat pipe can be derived the heat that the high-power LED light source module produces fast.
2, heat radiation is excellent: the utility model adopts external heat-pipe radiator, radiator is exposed in the air fully, radiating fin and heat pipe adopt and are welded to connect, can not become flexible in the low and use of thermal resistance, the heat pipe of radiator and ground have certain inclination angle, increased working medium gravity reflux power, radiating fin becomes 75～105 degree angles with ground, can effectively utilize the natural wind of vertical convection and all directions.Therefore, external heat-pipe radiator can dissipate the heat of deriving fast, make high-power LED light source module junction temperature with respect to the environment temperature temperature rise less than 25 ℃.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the cross sectional representation of Fig. 1.
Fig. 3 is the longitudinal section schematic diagram of Fig. 1.
Fig. 4 is the structural representation of the utility model embodiment 2.
Description of reference numerals:
1-lamp stand joint; 2-lamp holder body; The external heat-pipe radiator of 3-;
The 4-support; The 5-substrate; 6-high-power LED light source module;
The 7-light penetrating panel; The 8-radiating fin; The 9-heat pipe.
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, a kind of high-power LED lighting fixture with external heat-pipe radiator of the present utility model comprises lamp stand joint 1, is arranged at the lamp holder body 2 of lamp stand joint 1 one ends, is installed on the external heat-pipe radiator 3 of lamp holder body 2 left and right sides and upside; Described lamp holder body 2 comprises and lamp stand joint 1 integrated support 4, is arranged at the substrate 5 on support 4 tops and is arranged at the light penetrating panel 7 on substrate 5 tops, and be uniformly distributed in the high-power LED light source module 6 on the substrate 5; Described external heat-pipe radiator 3 comprises radiating fin 8 and Duo Gen heat pipe 9, and the evaporation ends outer edge of described heat pipe 9 is cut in substrate 5 planes, makes heat pipe 9 directly contact with high-power LED light source module 6.
As Fig. 1, Fig. 2 and shown in Figure 3, in the present embodiment, heat pipe 9 on the described external heat-pipe radiator 3 that is installed on lamp holder body 2 left and right sides is for approximate L shaped, the quantity of this heat pipe 9 is 4, and the horizontal evaporation ends of this heat pipe 9 is connected with substrate 5, the evaporation ends axis of this heat pipe 9 and substrate 5 plane parallel, the tiltedly straight condensation end of this heat pipe 9 is connected with radiating fin 8, and the tiltedly straight condensation end of this heat pipe 9 becomes 0 degree～miter angle with substrate 5 planes;
Be welded to connect between the condensation end of described heat pipe 9 and the radiating fin 8, not only reduced thermal resistance, in use heat pipe and fin are connected the problem that fluffs because of what wind or vibrations caused also to have avoided light fixture.
Be welded to connect between the evaporation ends of described heat pipe 9 and the substrate 5, thermal resistance is low, because heat pipe 9 directly contacts with high-power LED light source module 6, has made full use of heat pipe usefulness simultaneously, and the heat that high-power LED light source module 6 is produced is derived fast.
Radiating fin 8 on described heat pipe 9 condensation ends becomes 75 degree～105 degree angles with ground, make external heat-pipe radiator 3 can effectively utilize vertical convection can effectively utilize the natural wind of all directions again, and the heat of derivation is dissipated fast.
As shown in Figure 4, present embodiment is identical with embodiment 1, and wherein difference is: the quantity of the approximate L shaped heat pipe 9 and the heat pipe 9 of straight shape is 1.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (6)
1. high-power LED lighting fixture with external heat-pipe radiator, it is characterized in that, comprise lamp stand joint (1), be arranged at the lamp holder body (2) of lamp stand joint (1) one end, be installed on the external heat-pipe radiator (3) of lamp holder body (2) left and right sides and upside; Described lamp holder body (2) comprises and the integrated support of lamp stand joint (1) (4), be arranged at the substrate (5) on support (4) top, with the light penetrating panel (7) that is arranged at substrate (5) top, and be uniformly distributed in high-power LED light source module (6) on the substrate (5); Described external heat-pipe radiator (3) comprises radiating fin (8) and many heat pipes (9), and the evaporation ends outer edge of described heat pipe (9) is cut in substrate (5) plane, makes heat pipe (9) directly contact with high-power LED light source module (6).
2. the high-power LED lighting fixture with external heat-pipe radiator according to claim 1, it is characterized in that, heat pipe (9) on the described external heat-pipe radiator (3) that is installed on lamp holder body (2) left and right sides is for approximate L shaped, the horizontal evaporation ends of this heat pipe (9) is connected with substrate (5), evaporation ends axis of this heat pipe (9) and substrate (5) plane parallel, the tiltedly straight condensation end of this heat pipe (9) is connected with radiating fin (8), and the tiltedly straight condensation end of this heat pipe (9) becomes 0 degree～miter angle with substrate (5) plane.
3. the high-power LED lighting fixture with external heat-pipe radiator according to claim 1, it is characterized in that, heat pipe (9) on the described external heat-pipe radiator (3) that is installed on lamp holder body (2) top upside is straight shape, axis of this heat pipe (9) and substrate (5) plane parallel, this heat pipe (9) evaporation ends is connected with substrate (5), the condensation end of this heat pipe (9) is connected with radiating fin (8), and the heat pipe condensation end is higher than evaporation ends during installation.
4. according to claim 2 or 3 described high-power LED lighting fixtures, it is characterized in that, be welded to connect between the condensation end of described heat pipe (9) and the radiating fin (8) with external heat-pipe radiator.
5. according to claim 2 or 3 described high-power LED lighting fixtures, it is characterized in that, be welded to connect between the evaporation ends of described heat pipe (9) and the substrate (5) with external heat-pipe radiator.
6. according to claim 2 or 3 described high-power LED lighting fixtures, it is characterized in that the radiating fin (8) on described heat pipe (9) condensation end becomes 75 degree～105 degree angles with ground with external heat-pipe radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206537169U CN201885029U (en) | 2010-12-12 | 2010-12-12 | High-power LED (light emitting diode) illuminating lamp with external heat pipe radiators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206537169U CN201885029U (en) | 2010-12-12 | 2010-12-12 | High-power LED (light emitting diode) illuminating lamp with external heat pipe radiators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885029U true CN201885029U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206537169U Expired - Lifetime CN201885029U (en) | 2010-12-12 | 2010-12-12 | High-power LED (light emitting diode) illuminating lamp with external heat pipe radiators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450173A (en) * | 2015-12-17 | 2016-03-30 | 常州大学 | Heat pipe type concentrating photovoltaic cooling heat-collecting apparatus |
| CN109425248A (en) * | 2017-08-25 | 2019-03-05 | 珠海格力电器股份有限公司 | Radiator, outdoor unit and air conditioner |
| CN112423539A (en) * | 2019-08-23 | 2021-02-26 | 中车株洲电力机车研究所有限公司 | Uniform temperature heat pipe radiator and IGBT converter heat radiation device |
-
2010
- 2010-12-12 CN CN2010206537169U patent/CN201885029U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450173A (en) * | 2015-12-17 | 2016-03-30 | 常州大学 | Heat pipe type concentrating photovoltaic cooling heat-collecting apparatus |
| CN109425248A (en) * | 2017-08-25 | 2019-03-05 | 珠海格力电器股份有限公司 | Radiator, outdoor unit and air conditioner |
| CN112423539A (en) * | 2019-08-23 | 2021-02-26 | 中车株洲电力机车研究所有限公司 | Uniform temperature heat pipe radiator and IGBT converter heat radiation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |