CN2740880Y - Light source of high-power light-emitting diodes - Google Patents
Light source of high-power light-emitting diodes Download PDFInfo
- Publication number
- CN2740880Y CN2740880Y CN 200420081344 CN200420081344U CN2740880Y CN 2740880 Y CN2740880 Y CN 2740880Y CN 200420081344 CN200420081344 CN 200420081344 CN 200420081344 U CN200420081344 U CN 200420081344U CN 2740880 Y CN2740880 Y CN 2740880Y
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- Prior art keywords
- emitting diode
- light emitting
- optical system
- reflective optical
- metal
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- Expired - Fee Related
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Abstract
The utility model relates to a lighting lamp with light source of high-power light-emitting diodes. The exiting practical light-emitting diode has the interrelationship between a convex lens and a reflective optical system with curved surface, making the brightness difficult to achieve the prospective effect. The utility model is provided with the reflective optical system on the radiator body, and the light-emitting diode is arranged in the middle of the reflective optical system middle. The upper end of the reflective optical system is provided with a flat optical glass. The heating body is a metal means of the lighting lamp. The convex lens is omitted, and therefore the light is gathered directly by the reflective optical system with curved surface to effectively improve the lighting brightness. Simultaneously, the utility model makes the metal means increase the heat radiation function based on the traditional function.
Description
Technical field
The utility model relates to a kind of luminous efficiency height, what be easy to dispel the heat is the illuminating lamp of light source with the large-power light-emitting diodes, is specially adapted to the luminaire of concentrated lights such as mine lamp, flashlight.
Technical background
Existing light emitting diode with utility function is all established a light transmission medium on its light-emitting area, so that light is according to default angle or direction irradiation, as convex lens.When ligthing paraphernalia uses the light emitting diode of these band light transmission mediums, also can establish the curved surface reflective optical system in addition usually, as " reflector ".Because influencing each other between convex lens and the curved surface reflective optical system makes brightness be difficult to get a desired effect.Common LED lamp adopts mostly is lens light gathering greatly, adopt the aperture of light that this mode produces through forming behind the lens along with light source with shine the increase of distance between object and become greatly, illuminating effect is undesirable.Meanwhile, light emitting diode is a semi-conducting material, if the heat that produces can not be distributed in time, then will greatly influence its operate as normal, shortens its service life.Must solve the heat dissipation problem of large-power light-emitting diodes when therefore, reality is used.Common way is special-purpose radiator to large-power light-emitting diodes to be set, and many technical schemes all focus on the manufacture view of radiator.Ad hoc heatsink weight volume is big, and not attractive in appearance again, LED power is big more, and required radiator is also big more, is not easy to practical application.
The utility model content
The novel technical problem that will solve of this use is the defective that overcomes above-mentioned prior art, provides a kind of and can effectively improve brightness of illumination and radiating effect, and with large-power light-emitting diodes the illuminating lamp of light source.
The technical scheme that its technical problem that solves the utility model adopts is: be the illuminating lamp of light source with large-power light-emitting diodes, comprise light emitting diode, reflective optical system, housing, power supply, control circuit, light emitting diode places in the middle of the reflective optical system, it is characterized in that light emitting diode is fixed on the radiator, on radiator, be provided with a reflective optical system, the lower end that is reflective optical system is connected on this radiator, and the upper end of reflective optical system is provided with a plane optical glass or a transparent plastic sheet; Described radiator is the hardware of illuminating lamp for this reason.The light emitting diode of this programme be can be luminous semiconductor chip, owing to omitted the convex lens that directly are nested with on the existing light emitting diode, plane optical glass or transparent plastic sheet are not located immediately at the surface of light emitting diode, form the light path of enough strokes between the two, avoid influencing each other between convex lens of the prior art and the curved surface reflective optical system, effectively improved brightness of illumination.In addition, heat conduction and heat radiation performance and big, the direct and extraneous characteristics that contact of surface area that this programme has utilized hardware self to possess have been save necessary ad hoc radiator in the prior art, effectively raise heat dispersion.
Light emitting diode illuminating apparatus described in the utility model is characterized in that the light-emitting area of light emitting diode is covered with light conversion layer.Its convertible chip issued light, thus white light or other required coloured light can be formed.
Be provided with a metal pedestal between light emitting diode of the present utility model and the hardware, the effective silver slurry layer of light-emitting diodes is bonded on the metal pedestal, and metal pedestal is bonding, weld or be screwed onto on the hardware.Heat conduction silver slurry can be well secured to light emitting diode on the metal pedestal, and is fine because of its heat conductivility again, the heat transferred metal pedestal that can produce light emitting diode work in time.Metal pedestal is made with the metal material (as silver, copper, aluminium) of good heat conductivity, and the heat that can transmit light emitting diode by silver slurry layer apace passes on the hardware of heat transmission again.Hardware can be and is located at light emitting diode metal reflective optical system on every side, also can be the metal shell (as lamp holder, lamp socket, lamp housing) of lighting apparatus.Reflective optical system and housing all be lighting device common with member, surface area is big, housing again directly and extraneous the contact after making with the metal material of good heat conductivity, can play heat radiator dedicated in the past effect, the while has also deducted heat radiator dedicated cost.
Be provided with the heat sink of a high heat conductance between metal pedestal of the present utility model and metal reflective optical system or the housing, heat sink is bonding, weld or be screwed onto on metal reflective optical system or the housing.Add heat sink and can effectively improve radiating effect.
Metal pedestal of the present utility model is "T"-shaped, horizontal flat portion is a round table-like metal frame of holding diode, the vertical portion is a screw rod, have three layers of step-like circular flat bottom groove at the upper face center place of metal frame, on metal frame, be provided with two wire guides that laterally run through metal frame side and groove, have a screw on the heat sink, heat sink and metal pedestal are spirally connected.Groove on the metal pedestal can make light emitting diode, printed wiring board accurately and securely be positioned on the metal frame, and wire guide then is convenient to be electrically connected.Metal pedestal uses the mode that is spirally connected to be connected with heat sink, is convenient to dismounting.
Power supply of the present utility model can adopt lithium, ni-mh, nickel-cadmium cell, series connection one constant-current circuit in the described control circuit.Lithium, ni-mh, nickel-cadmium cell also can directly be inserted in the housing, form integral structure, are beneficial to the volume that reduces electrical appliance.The technical program is particularly useful on the boundling electric lightings such as flashlight, mine lamp, after tested, adopts the mine lamp of the utility model structure, can keep a certain constant brightness value substantially, and service time, more general electrical appliance was long, had avoided user's asthenopia.
The beneficial effects of the utility model are: illuminating lamp has omitted convex lens, directly by curved surface reflective optical system optically focused, has effectively improved brightness of illumination.Meanwhile, this illuminating lamp utilizes the heat conductivility of hardware self, makes hardware increase heat sinking function possessing on the basis of traditional function, and has the radiating effect that is better than ad hoc radiator.Owing to saved special-purpose radiator, thereby reduced the weight and volume of lighting device, reduced cost.In addition, the technical program is if adopting lithium battery is power supply, and series connection one constant-current circuit can reduce the volume of electrical appliance and can guarantee the luminosity that light emitting diode is constant in the control circuit, increases the service life.
Description of drawings
Fig. 1 is for being the structural representation of the illuminating lamp of light source with the large-power light-emitting diodes.
Fig. 2 is for being the schematic diagram of the illuminating lamp cooling system of light source with the large-power light-emitting diodes.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Adorn reflective optical system (11) in the housing (12) of this illuminating lamp earlier, light emitting diode (1) is connected with power supply by the control circuit of belt switch.Power supply can adopt lithium, ni-mh, nickel-cadmium cell, and lithium battery also can directly be inserted in the housing, forms integral structure.Specifically, earlier the silver slurry is applied to the surface of metal pedestal (2), light emitting diode is placed on the silver slurry layer again and also fix, the silver slurry solidifies behind high-temperature baking, and light emitting diode (1) is bonded on the metal pedestal (2).Metal pedestal (2) by be spirally connected, bonding or welding is connected with hardware (3), heat is finally distributed by hardware (3).As working power, it is connected (power supply and control circuit are not shown in the figures) in the usual way with lithium, ni-mh, nickel-cadmium cell with the control circuit that comprises switch.Serial connection one constant-current circuit in the control circuit.
According to actual conditions, hardware (3) can be the set on every side metal reflective optical system (11) of the interior light emitting diode of lighting device or the metal shell (12) of lighting apparatus, also can be both combinations.
Establish the heat sink (6) of a high heat conductance between metal pedestal (2) and metal reflective optical system (11) or the housing (12), heat sink (6) with bonding, weld or the mode that is spirally connected is connected on metal reflective optical system (11) or the housing (12).
Aforesaid metal pedestal (2) is "T"-shaped, top is the flattened cylindrical body metal frame (7) of holding diode, the vertical portion is divided into a screw rod (8), upper face center in metal frame (7) has three layers of step-like circular flat bottom groove (9), bottom holds silver slurry layer, the intermediate layer holds printed wiring board and diode chip for backlight unit, and the upper strata holds fluorescent coating, and determines groove (9) shape size in view of the above.Be provided with two wire guides (10) that laterally run through metal frame (7) sidewall on metal frame (7), power line passes wire guide (10) and is connected with printed wiring board.Heat sink has a through hole on (6), and the screw rod (8) of metal pedestal (2) passes the through hole of heat sink (6), and is fixing with nut (5).
With the mine lamp is example, and metal shell is a lamp shell, is example with flashlight, shot-light, and metal shell is lamp holder or stack shell.
Claims (8)
1. with large-power light-emitting diodes the illuminating lamp of light source, comprise light emitting diode (1), reflective optical system (11), housing (12), power supply, control circuit, light emitting diode (1) places in the middle of the reflective optical system (11), it is characterized in that light emitting diode (1) is fixed on the radiator (3), be provided with a reflective optical system (11) on radiator, the upper end of reflective optical system (11) is provided with a plane optical glass or a transparent plastic sheet; Described radiator (3) is the hardware of illuminating lamp (3) for this reason.
2. light emitting diode illuminating apparatus according to claim 1 is characterized in that the light-emitting area of light emitting diode (1) is covered with light conversion layer (13).
3. light emitting diode illuminating apparatus according to claim 2, it is characterized in that: be provided with a metal pedestal (2) between light emitting diode (1) and the hardware (3), light emitting diode (1) is bonded on the metal pedestal (2) with silver slurry layer (4), and metal pedestal (2) is bonding, weld or be screwed onto on the hardware (3).
4. light emitting diode illuminating apparatus according to claim 3 is characterized in that: described hardware (3) for be located at light emitting diode (1) on every side metal reflective optical system (11) and/or for holding the metal shell (12) of light emitting diode and reflective optical system.
5. light emitting diode illuminating apparatus according to claim 4, it is characterized in that: be provided with the heat sink (6) of a high heat conductance between metal pedestal (2) and metal reflective optical system (11) or the metal shell (12), heat sink (6) is bonding, weld or be screwed onto on metal reflective optical system (11) or the housing (12).
6. light emitting diode illuminating apparatus according to claim 3, it is characterized in that: metal pedestal (2) is for "T"-shaped, horizontal flat portion is a round table-like metal frame (7) of holding diode, the vertical portion is a screw rod (8), upper face center in metal frame (7) has three layers of step-like circular flat bottom groove (9), and sidewall is provided with two wire guides (10) that laterally run through metal frame (7); Heat sink (6) is spirally connected with metal pedestal (2).
7. light emitting diode illuminating apparatus according to claim 2 is characterized in that: described power supply is lithium, ni-mh, nickel-cadmium cell, series connection one constant-current circuit in the described control circuit.
8. light emitting diode illuminating apparatus according to claim 7 is characterized in that: described lithium, ni-mh, nickel-cadmium cell are located in the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081344 CN2740880Y (en) | 2004-07-22 | 2004-07-22 | Light source of high-power light-emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420081344 CN2740880Y (en) | 2004-07-22 | 2004-07-22 | Light source of high-power light-emitting diodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740880Y true CN2740880Y (en) | 2005-11-16 |
Family
ID=35351170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420081344 Expired - Fee Related CN2740880Y (en) | 2004-07-22 | 2004-07-22 | Light source of high-power light-emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740880Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828069A (en) * | 2007-10-16 | 2010-09-08 | 东芝照明技术株式会社 | Light emitting element lamp and lighting equipment |
| CN101958388A (en) * | 2010-07-16 | 2011-01-26 | 福建中科万邦光电股份有限公司 | Novel LED light source module encapsulating structure |
| CN102844620A (en) * | 2010-04-23 | 2012-12-26 | Opto设计股份有限公司 | Surface illumination fixture and surface illumination device |
| CN101310142B (en) * | 2005-11-17 | 2013-01-02 | 皇家飞利浦电子股份有限公司 | Lamp assembly |
| CN103133891A (en) * | 2011-11-25 | 2013-06-05 | 欧司朗股份有限公司 | Luminous assembly, light-emitting diode (LED) modified lamp and assembling method of LED modified lamp |
| CN103322438A (en) * | 2012-03-22 | 2013-09-25 | 李文雄 | High-power LED projection lamp and manufacturing method thereof |
-
2004
- 2004-07-22 CN CN 200420081344 patent/CN2740880Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310142B (en) * | 2005-11-17 | 2013-01-02 | 皇家飞利浦电子股份有限公司 | Lamp assembly |
| CN101828069A (en) * | 2007-10-16 | 2010-09-08 | 东芝照明技术株式会社 | Light emitting element lamp and lighting equipment |
| CN102844620A (en) * | 2010-04-23 | 2012-12-26 | Opto设计股份有限公司 | Surface illumination fixture and surface illumination device |
| CN101958388A (en) * | 2010-07-16 | 2011-01-26 | 福建中科万邦光电股份有限公司 | Novel LED light source module encapsulating structure |
| CN103133891A (en) * | 2011-11-25 | 2013-06-05 | 欧司朗股份有限公司 | Luminous assembly, light-emitting diode (LED) modified lamp and assembling method of LED modified lamp |
| CN103133891B (en) * | 2011-11-25 | 2016-11-23 | 欧司朗股份有限公司 | Luminescence component, LED modification lamp and assembly method thereof |
| CN103322438A (en) * | 2012-03-22 | 2013-09-25 | 李文雄 | High-power LED projection lamp and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG MANELUX LIGHTING CO., LTD. Free format text: FORMER NAME: HANGZHOU FUYANG XINYING ELECTRONICS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: East Gate Road Hangzhou city Zhejiang province Fuyang Xindeng town No. 8, zip code: 311604 Patentee after: Zhejiang Manelux Lighting Co., Ltd. Address before: East Gate Road Hangzhou city Zhejiang province Fuyang Xindeng town No. 8, zip code: 311604 Patentee before: Hangzhou Fuyang Novel Electronics Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051116 Termination date: 20110722 |