CN105042424A - High-power led projection lamp - Google Patents
High-power led projection lamp Download PDFInfo
- Publication number
- CN105042424A CN105042424A CN201510489252.XA CN201510489252A CN105042424A CN 105042424 A CN105042424 A CN 105042424A CN 201510489252 A CN201510489252 A CN 201510489252A CN 105042424 A CN105042424 A CN 105042424A
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- CN
- China
- Prior art keywords
- led
- lamp
- dividing plate
- great power
- power led
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a high-power LED projection lamp. The high-power LED projection lamp comprises a plurality of LED lamp bodies, a heat conducting plate, a semiconductor cooler, a heat radiator and a lamp holder. The LED lamp bodies are arranged on the upper surface of a separation plate at intervals, and are connected in series, and distributed on the upper surface of the separation plate to form an even light emitting array. The upper surface of the heat conducting plate is arranged on the lower surface of the separation plate in an attached mode. The hot end of the semiconductor cooler is arranged on the lower surface of the heat conducting plate in an attached mode. The upper surface of the heat radiator is arranged at the cold end of the semiconductor cooler in an attached mode. A containing cavity with one open side is formed in the lamp holder, and through holes are formed in the bottom of the lamp holder. The heat radiator, the semiconductor cooler, the heat conducting plate and the separation plate are sequentially arranged in the containing cavity, the lower surface of the heat radiator is arranged at the bottom of the containing cavity, and the LED lamp bodies are located in an opening of the containing cavity. According to the high-power LED projection lamp, the technical problem that the light emitting power of an LED projection lamp is not high is solved.
Description
Technical field
The present invention relates to a kind of lighting device, more particularly, the present invention relates to a kind of great power LED projecting lamp.
Background technology
LED projection lamp is again line style LED projection lamp, because its profile is strip, also there is people that it is called LED line, mainly also be used to the use doing building decoration illumination, be used for sketching the contours the profile of heavy construction in addition, its technical parameter and LED projection lamp broadly similar, the circular configuration of relative what LED projection lamp.The specialized facilities such as LED projection lamp is generally used for single building, the illumination of historical building group exterior wall, and in building, light is passed through inside illumination, indoor local lighting, Afforestation Landscape illumination, billboard lighting, medical, cultural are thrown light on.The public place of entertainment such as bar, dance hall atmosphere illumination etc.
The weak point that LED projection lamp in the market exists is: projection light is uneven, simultaneously due to the impact of heat radiation, limits the light power of LED projection lamp.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of great power LED projecting lamp, by the LED lamp structure of specific configuration, what make LED goes out luminous intensity more evenly, simultaneously by the heat abstractor of special design structure, solves the technical problem that LED projection lamp light power is not high.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of great power LED projecting lamp, comprising:
Several LED, it is disposed on a dividing plate upper surface, and described LED is connected in series mutually, and is covered with to be formed at the upper surface of described dividing plate and goes out optical arrays uniformly;
Heat-conducting plate, the laminating of its upper surface is arranged on the lower surface of described dividing plate;
Semiconductor cooler, the laminating of its hot junction is arranged on the lower surface of described heat-conducting plate;
Radiator, the laminating of its upper surface is arranged on the cold junction of described semiconductor cooler; And
Lamp socket, be provided with the accommodating cavity that side is opened wide in it, the bottom of described lamp socket offers through hole;
Wherein, described radiator, semiconductor cooler, heat-conducting plate and dividing plate set gradually in described accommodating cavity, and the following table of described radiator is arranged on the bottom of described accommodating cavity, and described LED is positioned at the open ports of described accommodating cavity.
Preferably, the open end of described lamp socket is provided with lampshade.
Preferably, described lamp socket bottom center is provided with outward extending cavity, described cavity and described accommodating cavity through, the bottom of described cavity is through offers fairlead.
Preferably, described LED projection lamp also comprises cooling fan, and it is made up of fan blade and drive motors, and described fan blade is disposed on the bottom of described radiator, and described drive motors is arranged in cavity.
Preferably, the hot junction of described semiconductor cooler and cold end surface scribble heat-conducting silicone grease respectively, described semiconductor cooler lower surface two ends are to being arranged with binding post.
Preferably, described heat-conducting plate is copper plate-shape metal block.
Preferably, described dividing plate is made up of the insulating materials of high thermal conductance.
Preferably, the sidewall of described lamp socket offers several grooves, wire to conduct electricity with described semiconductor cooler and described LED respectively with described groove via described fairlead and is connected.
Preferably, described LED comprises substrate and is arranged on described suprabasil ball bubble, positive and negative pin is drawn in described substrate, the positive and negative pin serial connection welding of LED described in several, be arranged on the upper surface of described dividing plate by thermal plastic insulation bottom described substrate, also be provided with backlight layer in the gap of described LED, described backlight layer is fixed on described dividing plate upper surface.
Preferably, several not homochromy described LED uniform intervals is arranged in the upper surface of described dividing plate, is connected in series described in homochromy several between LED, and each is organized homochromy described LED and is powered by independently driving power.
In order to realize, according to these objects of the present invention and other advantage, providing a kind of great power LED projecting lamp, comprising:
The present invention at least comprises following beneficial effect:
1, the projection of the multicolor of LED projection lamp is achieved;
2, optimize radiator structure, substantially increase the light power of LED projection lamp;
3, reduce the operating temperature of LED projection lamp, thus improve reliability and the service life of LED.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of great power LED projecting lamp of the present invention;
Fig. 2 is the overall structure schematic diagram of great power LED projecting lamp of the present invention;
Fig. 3 is the internal cross section structural representation of great power LED projecting lamp of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1,2 and 3, the invention provides a kind of great power LED projecting lamp of family expenses, comprising:
Several LED 700, it is disposed on dividing plate 600 upper surface, LED 600 both positive and negative polarity head and the tail arranged in series described in several, and be covered with to be formed at the upper surface of described dividing plate 600 and go out optical arrays uniformly, make the uniform intensity in the exiting surface of whole projecting lamp consistent, play good projection;
Heat-conducting plate 500, it is made up of the metal material of high thermal conductance, and in the present embodiment, heat-conducting plate is copper plate-shape metal block, and the laminating of heat-conducting plate 500 upper surface is arranged on the lower surface of described dividing plate 600;
Semiconductor cooler 400, the laminating of its hot junction is arranged on the lower surface of described heat-conducting plate 500;
Radiator 300, the laminating of its upper surface is arranged on the cold junction of described semiconductor cooler 400; And
Lamp socket 100, be provided with the accommodating cavity that side is opened wide in it, the bottom of described lamp socket offers through hole 120, for heat radiation;
Wherein, described radiator 300, semiconductor cooler 400, heat-conducting plate 500 and dividing plate 600 block successively to be established in described accommodating cavity, convenient for maintaining is changed, and the shape of above-mentioned parts is consistent, the following table of described radiator 300 is arranged on the bottom of described accommodating cavity, described LED 700 is positioned at the open ports of described accommodating cavity, and light direction outwardly.
LED 700 is uniformly distributed on dividing plate 600, thus form the consistent projection surface of an exiting surface intensity, simultaneously, luminous intensity is gone out in order to what improve projecting lamp, namely improve transmitting power, in the present embodiment, the mode adopting several LED 700 to be connected in series is arranged on described dividing plate 600 upper surface, effectively can improve the light power of projecting lamp, simultaneously, exactly because heat dissipation problem can not get effective solution in prior art, just limit the transmitting power of projecting lamp, in the present invention, propose the heat spreader structures of high efficiency and heat radiation, thus be that the power improving projecting lamp is laid a good foundation.
In technique scheme; in order to protect LED lamp bead simultaneously in order to play good even light action; the open end of described lamp socket 100 is provided with lampshade 800; lamp socket 100 and lampshade 800 form closed accommodating cavity, and described radiator 300, semiconductor cooler 400, heat-conducting plate 500 and dividing plate 600 are arranged in this accommodating cavity.
In technique scheme, described lamp socket 100 bottom center is provided with outward extending cavity 110, and described cavity 110 is through with described accommodating cavity, and the bottom of described cavity 100 is through offers fairlead 111.Several fixing point positions 112 are also provided with, for connecting described lamp socket 100 bottom cavity 110.
In technique scheme, described LED projection lamp also comprises cooling fan 200, and it is made up of fan blade and drive motors, and described fan blade is disposed on the bottom of described radiator 300, and described drive motors is arranged in cavity 110.
In technique scheme, the hot junction of described semiconductor cooler and cold end surface scribble heat-conducting silicone grease respectively, its effect makes semiconductor cooler 400 surface contact fully with heat-conducting plate 500 with radiator 300, increase the cross-sectional area of heat conduction, avoid surface irregularity, loose contact and the thermal resistance that produces.Described semiconductor cooler 400 lower surface two ends are to being arranged with binding post 410.
In technique scheme, in technique scheme, described dividing plate 600 is made up of the insulating materials of high thermal conductance.Practical application median septum 600 can be arbitrary heat conductive insulating material, and for sake of convenience, (thermal conductivity reaches 260W/ (mk), specific insulation: >10 to adopt aluminium nitride ceramics in the present embodiment
14Ω cm) dividing plate.
In technique scheme, the sidewall of described lamp socket 100 offers several grooves 140, wire conducts electricity with the binding post 410 of described semiconductor cooler and described LED 700 respectively via described fairlead 111 and described groove 140 and is connected, and is its power supply.
In technique scheme, described LED 700 comprises substrate 720 and is arranged on described suprabasil ball bubble 710, positive pin 730 and negative pin 740 are drawn in described substrate 720, the positive and negative pin serial connection welding of LED described in several, be arranged on the upper surface of described dividing plate 600 by thermal plastic insulation 620 bottom described substrate 720, also be provided with backlight layer 610 in the gap of described LED, described backlight layer 610 is fixed on described dividing plate 600 upper surface.
In a kind of embodiment, described LED 700 is homochromy, the described LED 700 of being connected by control section or whole described LED 700 controls light power.
In another kind of embodiment, in order to increase the effect of transmitted light, the upper surface that several not homochromy described LED 700 uniform intervals is arranged in described dividing plate 600 can be provided with, be connected in series between LED described in homochromy several, each is organized homochromy described LED and is powered by independently driving power.That is, such as yellow illuminant unit can be opened separately, or any combination between colors, the projection of sample is had more selective, can take preferred mode of delivery by contrast, this kind of project organization makes projection better, and resolution ratio improves further.
From the above mentioned, great power LED projecting lamp of the present invention achieves the projection of multicolor; Optimize radiator structure, substantially increase the light power of LED projection lamp; Reduce the operating temperature of LED projection lamp simultaneously, thus improve reliability and the service life of LED.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. a great power LED projecting lamp, is characterized in that, comprising:
Several LED, it is disposed on a dividing plate upper surface, and described LED is connected in series mutually, and is covered with to be formed at the upper surface of described dividing plate and goes out optical arrays uniformly;
Heat-conducting plate, the laminating of its upper surface is arranged on the lower surface of described dividing plate;
Semiconductor cooler, the laminating of its hot junction is arranged on the lower surface of described heat-conducting plate;
Radiator, the laminating of its upper surface is arranged on the cold junction of described semiconductor cooler; And
Lamp socket, be provided with the accommodating cavity that side is opened wide in it, the bottom of described lamp socket offers through hole;
Wherein, described radiator, semiconductor cooler, heat-conducting plate and dividing plate set gradually in described accommodating cavity, and the following table of described radiator is arranged on the bottom of described accommodating cavity, and described LED is positioned at the open ports of described accommodating cavity.
2. great power LED projecting lamp as claimed in claim 1, it is characterized in that, the open end of described lamp socket is provided with lampshade.
3. great power LED projecting lamp as claimed in claim 2, it is characterized in that, described lamp socket bottom center is provided with outward extending cavity, described cavity and described accommodating cavity through, the bottom of described cavity is through offers fairlead.
4. great power LED projecting lamp as claimed in claim 3, it is characterized in that, also comprise cooling fan, it is made up of fan blade and drive motors, and described fan blade is disposed on the bottom of described radiator, and described drive motors is arranged in cavity.
5. great power LED projecting lamp as claimed in claim 4, it is characterized in that, the hot junction of described semiconductor cooler and cold end surface scribble heat-conducting silicone grease respectively, described semiconductor cooler lower surface two ends are to being arranged with binding post.
6. great power LED projecting lamp as claimed in claim 5, it is characterized in that, described heat-conducting plate is copper plate-shape metal block.
7. great power LED projecting lamp as claimed in claim 6, it is characterized in that, described dividing plate is made up of the insulating materials of high thermal conductance.
8. great power LED projecting lamp as claimed in claim 7, is characterized in that, the sidewall of described lamp socket offers several grooves, and wire to conduct electricity with described semiconductor cooler and described LED respectively with described groove via described fairlead and is connected.
9. great power LED projecting lamp as claimed in claim 1, it is characterized in that, described LED comprises substrate and is arranged on described suprabasil ball bubble, positive and negative pin is drawn in described substrate, the positive and negative pin serial connection welding of LED described in several, be arranged on the upper surface of described dividing plate bottom described substrate by thermal plastic insulation, be also provided with backlight layer in the gap of described LED, described backlight layer is fixed on described dividing plate upper surface.
10. great power LED projecting lamp as claimed in claim 1, it is characterized in that, several not homochromy described LED uniform intervals is arranged in the upper surface of described dividing plate, be connected in series between LED described in homochromy several, each is organized homochromy described LED and is powered by independently driving power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489252.XA CN105042424A (en) | 2015-08-11 | 2015-08-11 | High-power led projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510489252.XA CN105042424A (en) | 2015-08-11 | 2015-08-11 | High-power led projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105042424A true CN105042424A (en) | 2015-11-11 |
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ID=54449217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510489252.XA Pending CN105042424A (en) | 2015-08-11 | 2015-08-11 | High-power led projection lamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN105042424A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352161A (en) * | 2017-02-08 | 2019-10-18 | 光动工业公司 | A kind of modularized limit emitting diode (LED) lighting apparatus |
| CN116344471A (en) * | 2023-05-26 | 2023-06-27 | 四川九州光电子技术有限公司 | TO packaging structure and carrier |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850515A (en) * | 1970-07-16 | 1974-11-26 | Texas Instruments Inc | Coherent light array for use in image projection systems |
| TW200720816A (en) * | 2005-11-17 | 2007-06-01 | Kuo-Yen Lai | Projector with pixels light array scanning |
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN102102868A (en) * | 2010-11-18 | 2011-06-22 | 常州星宇车灯股份有限公司 | Large-power light emitting diode (LED) active radiating device for car lamp |
| CN102444804A (en) * | 2010-10-11 | 2012-05-09 | 昆山广兴电子有限公司 | Lighting fitting |
| CN202511251U (en) * | 2012-05-03 | 2012-10-31 | 鑫日东光电股份有限公司 | Heat-conducting structure of LED (light-emitting) lighting lamp |
| CN203868762U (en) * | 2014-04-30 | 2014-10-08 | 东莞雅士电子有限公司 | Optical focus adjustment structure of colored LED lamp |
| CN204962455U (en) * | 2015-08-11 | 2016-01-13 | 苏州晶雷光电照明科技有限公司 | High -power LED projection lamp |
-
2015
- 2015-08-11 CN CN201510489252.XA patent/CN105042424A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850515A (en) * | 1970-07-16 | 1974-11-26 | Texas Instruments Inc | Coherent light array for use in image projection systems |
| TW200720816A (en) * | 2005-11-17 | 2007-06-01 | Kuo-Yen Lai | Projector with pixels light array scanning |
| CN201081204Y (en) * | 2007-07-06 | 2008-07-02 | 王鑫炜 | LED lamp with high heat radiation performance |
| CN102444804A (en) * | 2010-10-11 | 2012-05-09 | 昆山广兴电子有限公司 | Lighting fitting |
| CN102102868A (en) * | 2010-11-18 | 2011-06-22 | 常州星宇车灯股份有限公司 | Large-power light emitting diode (LED) active radiating device for car lamp |
| CN202511251U (en) * | 2012-05-03 | 2012-10-31 | 鑫日东光电股份有限公司 | Heat-conducting structure of LED (light-emitting) lighting lamp |
| CN203868762U (en) * | 2014-04-30 | 2014-10-08 | 东莞雅士电子有限公司 | Optical focus adjustment structure of colored LED lamp |
| CN204962455U (en) * | 2015-08-11 | 2016-01-13 | 苏州晶雷光电照明科技有限公司 | High -power LED projection lamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110352161A (en) * | 2017-02-08 | 2019-10-18 | 光动工业公司 | A kind of modularized limit emitting diode (LED) lighting apparatus |
| CN116344471A (en) * | 2023-05-26 | 2023-06-27 | 四川九州光电子技术有限公司 | TO packaging structure and carrier |
| CN116344471B (en) * | 2023-05-26 | 2023-08-01 | 四川九州光电子技术有限公司 | TO packaging structure and carrier |
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| PB01 | Publication | ||
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Application publication date: 20151111 |