CN201028363Y - LED oriented lighting energy-saving lamp - Google Patents
LED oriented lighting energy-saving lamp Download PDFInfo
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- CN201028363Y CN201028363Y CNU2007200070387U CN200720007038U CN201028363Y CN 201028363 Y CN201028363 Y CN 201028363Y CN U2007200070387 U CNU2007200070387 U CN U2007200070387U CN 200720007038 U CN200720007038 U CN 200720007038U CN 201028363 Y CN201028363 Y CN 201028363Y
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Abstract
The utility model relates to a LED positioning lighting energy saving lamp, which comprises a circuit board, and the X direction and Y direction is regulated along the plane. A lighting unit comprises a first lighting unit positioned on the middle of circuit board and a second lighting unit correspondingly positioned on two sides of the first lighting unit. Each lighting unit comprises a plurality of LEDs in inclined installation with pipe body having a certain distance with circuit plane, and a plurality of LED for each lighting unit are arranged in array along the X direction and Y direction of the circuit board and are in symmetrical distribution along the array center. Each LED is separated a certain angle in respect to the X direction and Y direction, to make each lighting unit respectively form scheduled angle of projection on X direction and Y direction. The angle of projection for LED is smaller than 15 degrees, and the brightness is bigger than 20000 Candela. The utility model can realize correct radiation, and has good lighting effect and energy saving effect with good heat emission, which is applicable for the lighting of road surface.
Description
Affiliated technical field
The utility model relates to a kind of luminous diode directional lighting energy conserving lamp, luminous diode directional lighting energy conserving lamp especially for road lighting, it adopts the little projectional angle light emitting diode that tilts to install at a predetermined angle as light-emitting component, can realize directional illumination accurately, have good illuminating effect and energy-saving effect, heat radiation is good.
Background technology
Light-emitting diode (LED) illuminating lamp be a kind of energy-efficient, have the overlength light fixture in service life, in various fields, use for example road lighting, industrial lighting, stage illumination, lighting, landscape ornamental illumination, room lighting etc. at present.
Known, the street lamp that is used for pavement of road illuminations such as highway, expressway, avenue, in order to reduce driver's dazzle is disturbed, must use according to the manufacturing of national road Lighting Design standard design, the ray cast angle is the light chopping light fixtures of 120 degree, for example adopting that traditional floodlight type street lamps such as high-pressure mercury lamp installing lampshade is made, ray cast angle is the light chopping light fixtures of 120 degree.At present, the led lighting street lamp of using in the pavement of road lighting field in order to satisfy the requirement of national road Lighting Design standard, mostly is the light emitting diode light fixture that make as light-emitting component, that have 120 degree projectional angles that adopts big projectional angle.
The weak point of existing illuminating street lamp is:
Existing illuminating street lamp, its light source issued light does not need illuminated place in addition according to there being a very big part to project the road surface, and really need illuminated road surface, only obtain accounting for light source and send not enough half the luminous flux of whole illumination, lamp is very low according to utilization rate, has caused the loss and the waste of electric energy of light.Moreover, project the illumination outside the road surface, also can form unnecessary light pollution.Illustrated specifically that below with reference to schematic diagram as shown in Figure 1 and Figure 2, illuminating street lamp 1 is installed on the lamp stand 101, be used for illuminating road 102 road surfaces.The projectional angle of street lamp 1 is 120 degree, the circle part 103 expression light projection areas of a circle, the area that dash area 104 indication lamp illumination are mapped to pavement of road promptly throws the part that light is actually utilized, and dash area 105 indication lamp illumination are mapped to the part that the outer area of pavement of road promptly throws the light waste.From above-mentioned schematic diagram, can clearly be seen that, light-illuminating outside the road surface and the waste part in the luminous flux of light source projects, occupied very big ratio.In the form below, the street lamp of having listed setting height(from bottom) 5--12 rice is used for the related data of the road lighting of width of roadway 6--10 rice.
| Street lamp setting height(from bottom) (rice) | Width of roadway (rice) | Irradiation radius (rice) | The lamp photograph area of a circle (square metre) | Shine the road surface area (square metre) | Lamp is according to utilization rate |
| 5 | 6 | 8.66 | 235.62 | 103.92 | 44.11％ |
| 6 | 6 | 10.39 | 339.29 | 124.68 | 36.75％ |
| 7 | 8 | 12.12 | 461.81 | 193.92 | 41.99％ |
| 8 | 8 | 13.86 | 603.19 | 221.70 | 36.76％ |
| 9 | 10 | 15.59 | 763.41 | 311.77 | 40.84％ |
| 10 | 10 | 17.32 | 942.48 | 346.41 | 36.76％ |
| 11 | 10 | 19.05 | 1140.40 | 381.05 | 33.41％ |
| 12 | 10 | 20.78 | 1357.17 | 415.69 | 30.63％ |
Existing illuminating street lamp owing to adopt the lampshade reflection ray, causes uneven illumination even, and the illumination under the light fixture is higher, and is lower away from the local illumination of light fixture.Road lighting is inhomogeneous to exert an influence to the driver easily, thereby brings hidden peril of accident.
Existing led lighting street lamp, owing to adopt the light emitting diode of big projectional angle, light scattering is serious, a little less than the transmission power, setting height(from bottom) is restricted, and is difficult to realize telecurie irradiation.
Existing led lighting street lamp owing to adopt large-power light-emitting diodes and lack effective radiator structure, produces a large amount of heats during light emitting diode work, and be difficult for distributing, make the temperature of light emitting diode raise rapidly, its luminous efficiency is descended, shorten its service life.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, provides a kind of and can realize accurately directional illumination, has good illuminating effect and energy-saving effect, the good luminous diode directional lighting energy conserving lamp of heat radiation.
For this purpose, the luminous diode directional lighting energy conserving lamp that the utility model provides is characterized in that: comprise circuit board, define directions X and Y direction along its plane; And lighting unit, it comprises the body described circuit board plane certain altitude of distance and is a plurality of light emitting diodes that tilt to install, a plurality of described light emitting diodes are arranged to array at interval and are symmetrically distributed along array center along directions X and Y direction, and each described light emitting diode is respectively with respect to directions X with the Y direction departs from predetermined angle so that described lighting unit forms predetermined projectional angle respectively at directions X and Y direction.
Further, described lighting unit comprises first lighting unit that is positioned at the circuit board centre position and is symmetricly set on second lighting unit of the described first lighting unit both sides, each described lighting unit includes body apart from the circuit board plane certain altitude and be a plurality of light emitting diodes of tilt installing, the a plurality of described light emitting diode of each described lighting unit is arranged to array at interval and is symmetrically distributed along array center along the directions X of described circuit board and Y direction, and each described light emitting diode departs from predetermined angle with respect to directions X and Y direction respectively, so that each described lighting unit forms predetermined projectional angle respectively at directions X and Y direction.
Further, described lighting unit is 120 degree in the directions X projectional angle.
Further, described light emitting diode adopts projectional angle to be less than or equal to the light emitting diode of 15 degree.
Further, described light emitting diode adopts the light emitting diode of brightness more than or equal to 20000 milli candelas.
Further, be formed with the first lighting unit installing zone and the second lighting unit installing zone on the described circuit board, in described first lighting unit installing zone and the described second lighting unit installing zone, be respectively arranged with spaced many to jack along directions X and Y direction, the jack of the described first lighting unit installing zone is pair orthogonal to orientation with the jack of the described second lighting unit installing zone, and described light emitting diode plugs solid welding in the paired jack of described circuit board.
Further, a plurality of light emitting diodes of described lighting unit are divided into many groups that can independently control.
Further, described circuit board has separate many groups public power circuit figure, and every group of described public power circuit figure has independently terminals.
Further, described public power circuit figure has the portion that laterally broadens of square wave shape.
Further, also comprise lamp body, have the hollow housing that combines by base and Transparent lamp shade; And the porous substrate that is used to install described circuit board, its be arranged in the described housing and and base, Transparent lamp shade between all form heat dissipation channel.
Luminous diode directional lighting energy conserving lamp of the present utility model is compared with existing lighting, has following beneficial effect:
The first, because the unique arrangement of light emitting diode has realized directional illumination accurately, can accurately shine predetermined target zone according to lighting requirement, improve lamp effectively according to utilization rate.When being used for road lighting, light is incident upon in the scope of road surface exactly, avoids the light loss, waste of energy and the light pollution that cause outside the road surface because of light-illuminating, cut down the consumption of energy, energy-saving effect is remarkable, can save at least 80% energy consumption than the street lamp that adopts the conventional high-tension sodium vapor lamp.
The second, adopt the light-emitting component of the light emitting diode of little projectional angle as light fixture, reduce the light scattering greatly, improve illumination and penetrated intensity, overcome setting height(from bottom) and the restricted deficiency of irradiation distance that existing led lamp exists.Light fixture of the present utility model, its setting height(from bottom) can reach more than 15 to 20 meters, can be applicable to the high pole street lamp field.
The 3rd, overcome the deficiency of the even property of uneven illumination of existing light fixture existence, and need not to adopt reflection lampshade.When being used for road lighting, can be the driver uniform, good road lighting is provided, make driving lighter, indefatigability more, thus reduce the generation of traffic accident.
The 4th, owing to adopt the little low power LED element of caloric value, body is installed apart from the circuit board plane certain altitude, and a plurality of light emitting diodes are arranged to array at interval, be easy to heat radiation; Public power circuit figure has the portion that laterally broadens of square wave shape, has increased the sectional area of line pattern, has reduced current density, reduces caloric value effectively; Form heat dissipation channel in the lamp body, make the inner air convection current unimpeded.Above-mentioned design makes that the heat radiation of whole light fixture is good, stable working state, and radiating element need not be installed when using, and can reduce the light fixture volume and weight greatly, reduce cost.
The 5th, owing to a plurality of light emitting diodes are divided into many groups that can independently control, the timing controlled of dividing into groups easily according to different illumination needs.
The 6th, can adopt the power supply of AC power supply system or solar energy system.When adopting the solar energy system power supply, the required comparable existing Solar Street Lighting Systems of parts such as solar panel, battery and controller of its system reduce half, save construction investment greatly, reduced the threshold that solar street light is used, helped the solar street light popularization and application.
The 7th, simple and reasonable, cost is low, is very suitable for large-scale application, and alternative traditional high-pressure mercury lamp and existing light-emitting diode (LED) illuminating lamp are a kind of desirable energy-conserving and environment-protective illuminating products.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the light projection side schematic view of existing illuminating street lamp.
Fig. 2 is the light projection plane schematic diagram of existing illuminating street lamp.
Fig. 3 is the schematic diagram of the luminous diode directional lighting energy conserving lamp that provides of the utility model.
Fig. 4 is the view along A direction among Fig. 3.
Fig. 5 is the wiring partial schematic diagram of the circuit board of the luminous diode directional lighting energy conserving lamp that provides of the utility model.
Fig. 6 is the installment state schematic diagram of the light emitting diode of the luminous diode directional lighting energy conserving lamp that provides of the utility model.
Fig. 7 extends and perpendicular to the middle section view of circuit board plane along directions X among Fig. 6.
Fig. 8 extends and perpendicular to the middle section view of circuit board plane along Y direction among Fig. 6.
Fig. 9 is the schematic diagram that luminous diode directional lighting energy conserving lamp that the utility model provides is connected with AC power supply system.
Figure 10 is the schematic diagram that luminous diode directional lighting energy conserving lamp that the utility model provides is connected with solar energy system.
The specific embodiment
Fig. 3, shown in Figure 4 be a kind of luminous diode directional lighting energy conserving lamp that is used for the pavement of road illumination, this light fixture comprises the hollow housing that combined by base 21 and Transparent lamp shade 22, be installed in porous substrate 23 in the housing, be installed in printed circuit board (PCB) 24 on the porous substrate 23, be installed in a plurality of light emitting diodes 25 on the printed circuit board (PCB) 24.Base 21 and porous substrate 23 can adopt aluminum or aluminum alloy to make, and lampshade 22 adopts clear polycarbonate to make.Porous substrate 23 and base 21, Transparent lamp shade 22 are all apart from more than 10 centimetres, and the gap between the hole of substrate 23 and substrate 23 and base 21 and the Transparent lamp shade 22 has formed and helped cross-ventilated heat dissipation channel.Light emitting diode 25 adopts 5 millimeters of diameters, projectional angle less than 15 degree, single brightness low power LED greater than 20000 milli candelas.
With reference to Fig. 5, printed circuit board (PCB) 24 defines directions X and Y direction along its plane.The directions X of printed circuit board (PCB) 24 is installed in the light fixture along the direction of road width along direction, the Y direction that road extends.Mid portion has the first lighting unit installing zone 241 on printed circuit board (PCB) 24, has the second lighting unit installing zone 242 in the Y direction symmetry both sides of the first lighting unit installing zone 241.In the first lighting unit installing zone 241 and the second lighting unit installing zone 242, be respectively arranged with along directions X and Y direction spaced many to jack 243, every pair of jack of the first lighting unit installing zone 241 is all arranged along the Y direction, every pair of jack of the second lighting unit installing zone 242 is all arranged along directions X, and promptly the jack of two installing zones is orthogonal to orientation.Each installing zone has separate many groups public power circuit figure 244, and every group of public power circuit figure 244 has independently terminals 245, for being welded to connect line.The common more light emitting diode 25 of number of connection on the public power circuit figure 244, therefore has higher current density, public power circuit figure 244 is designed to have the square wave strip of portion 246 of laterally broadening, comparable rectilinear line pattern has bigger sectional area, thereby can reduce current density, reduce caloric value effectively.Also have some transition connections and use line pattern between public power circuit figure 244, these line pattern current densities are lower, therefore adopt narrower lines.
With reference to Fig. 6 to Fig. 8, in the first lighting unit installing zone 241 of printed circuit board (PCB) 24 and the second lighting unit installing zone 242, a plurality of light emitting diodes 25 are installed all, form first lighting unit and second lighting unit.Each light emitting diode 25 be plugged in a pair of jack on the printed circuit board (PCB) 24 and welding fixing, and the body that makes light emitting diode 25 is apart from circuit board 24 plane certain altitudes and be to tilt to install.A plurality of light emitting diodes 25 are arranged to array at interval and are symmetrically distributed along array center along directions X and Y direction.Light emitting diode 25 in each installing zone is divided into many groups that can independently control.Each light emitting diode 25 departs from certain angle with respect to directions X and Y direction according to light fixture respectively in the projectional angle of directions X and Y direction.Light fixture is determined according to national road Lighting Design standard and irradiation target zone in the projectional angle of directions X and Y direction.Light fixture can be set at 120 degree in the projectional angle of directions X.Light fixture determines according to width of roadway that in the projectional angle of Y direction the size of projectional angle should be able to guarantee that light is incident upon in the scope of road surface exactly, and avoids light-illuminating outside the road surface.
The angle that each light emitting diode 25 departs from respect to directions X is according to total columns of the light emitting diode of arranging along directions X, and outwards calculates the residing row of this light emitting diode from the light emitting diode matrix center along directions X and determine.The angle that each light emitting diode 25 departs from respect to the Y direction is the setting height(from bottom) of width of roadway, the light fixture of road, total line number of the light emitting diode arranged along the Y direction, outwards calculates the residing row of this light emitting diode from the light emitting diode matrix center along the Y direction and determine along the irradiating width of Y direction according to light fixture.
Light emitting diode quantity in each installing zone is determined according to the illumination requirement of lamp installation height, width of roadway, light emitting diode intrinsic brilliance and road pavement.
When light emitting diode 25 is installed, earlier light emitting diode 25 vertically is inserted on the printed circuit board (PCB) 24, make body apart from circuit board 24 plane 8-10 millimeters, welding earlier fixes its pin near the array symmetrical centre, then according to the angle that calculates with respect to directions X and the inclination of Y direction needs, fitly pull the every row on the directions X, the pin of every capable light emitting diode 25 on the Y direction curved with sheet material as hard straight plastic plate, body is tilted along circuit board 24 planes, and an other pin is fixed in welding more at last.
Because every pair of jack of the first lighting unit installing zone 241 is all arranged along the Y direction, every pair of jack of the second lighting unit installing zone 242 is all arranged along directions X, therefore a pair of pin that is installed in each light emitting diode 25 of the first lighting unit installing zone 241 is all arranged along the Y direction, is installed near a pair of pin of each light emitting diode 25 of the second lighting unit installing zone 242 of circuit board 24 both sides all to arrange along directions X.Such arrangement can guarantee that each light emitting diode 25 pulled curved easily on the direction at the big angle of inclination of needs.
With reference to Fig. 9, the luminous diode directional lighting energy conserving lamp that the utility model provides can adopt the power supply of 100-260 volt AC power supply system, adopts voltage-stabilizing switch power source in AC power supply system, to improve power supplying efficiency.With reference to Figure 10, the luminous diode directional lighting energy conserving lamp that the utility model provides also can adopt the solar energy system power supply, the required parts such as solar panel, battery and controller of system reduce half than existing Solar Street Lighting System, saved construction investment greatly, reduce the threshold that solar street light is used, helped the solar street light popularization and application.
In actual use, can be according to different illumination needs, with the timing controlled of dividing into groups of the light emitting diode in the light fixture.For example because less in the period in the late into the night, in order to extinguish saves energy at this moment a part of light emitting diode in the light fixture, again it is lighted sometime before daybreak then at the vehicle of travels down.The grouping timing controlled of light emitting diode be achieved in that with mutually independently multi-group light-emitting diode organize into groups, terminals 245 with every group of pairing independently a plurality of public power circuit figures 244 mutually of light emitting diode connect by the outer fly line of plate again, draw total bus bar and be connected for every group then, can realize grouping, timing controlled by the controller of power-supply system with power-supply system.
More than combine embodiment the utility model is illustrated, but this does not constitute restriction of the present utility model.Any modifications and variations of having done under same design also all belong to the scope that the utility model is protected.
Claims (10)
1. luminous diode directional lighting energy conserving lamp is characterized in that: comprise circuit board, define directions X and Y direction along its plane; And lighting unit, it comprises the body described circuit board plane certain altitude of distance and is a plurality of light emitting diodes that tilt to install, a plurality of described light emitting diodes are arranged to array at interval and are symmetrically distributed along array center along directions X and Y direction, and each described light emitting diode is respectively with respect to directions X with the Y direction departs from predetermined angle so that described lighting unit forms predetermined projectional angle respectively at directions X and Y direction.
2. luminous diode directional lighting energy conserving lamp according to claim 1, it is characterized in that: described lighting unit comprises first lighting unit that is positioned at described circuit board centre position and is symmetricly set on second lighting unit of the described first lighting unit both sides, each described lighting unit includes body apart from the circuit board plane certain altitude and be a plurality of light emitting diodes of tilt installing, the a plurality of described light emitting diode of each described lighting unit is arranged to array at interval and is symmetrically distributed along array center along the directions X of described circuit board and Y direction, and each described light emitting diode departs from predetermined angle with respect to directions X and Y direction respectively, so that each described lighting unit forms predetermined projectional angle respectively at directions X and Y direction.
3. luminous diode directional lighting energy conserving lamp according to claim 1 and 2 is characterized in that: described lighting unit is 120 degree in the directions X projectional angle.
4. luminous diode directional lighting energy conserving lamp according to claim 1 and 2 is characterized in that: described light emitting diode adopts projectional angle to be less than or equal to the light emitting diode of 15 degree.
5. luminous diode directional lighting energy conserving lamp according to claim 1 and 2 is characterized in that: described light emitting diode adopts the light emitting diode of brightness more than or equal to 20000 milli candelas.
6. luminous diode directional lighting energy conserving lamp according to claim 2, it is characterized in that: be formed with the first lighting unit installing zone and the second lighting unit installing zone on the described circuit board, in described first lighting unit installing zone and the described second lighting unit installing zone, be respectively arranged with spaced many to jack along directions X and Y direction, the jack of the described first lighting unit installing zone is pair orthogonal to orientation with the jack of the described second lighting unit installing zone, and described light emitting diode plugs solid welding in the paired jack of described circuit board.
7. luminous diode directional lighting energy conserving lamp according to claim 1 and 2 is characterized in that: a plurality of light emitting diodes of described lighting unit are divided into many groups that can independently control.
8. luminous diode directional lighting energy conserving lamp according to claim 7 is characterized in that: described circuit board has separate many groups public power circuit figure, and every group of described public power circuit figure has independently terminals.
9. luminous diode directional lighting energy conserving lamp according to claim 8 is characterized in that: described public power circuit figure has the portion that laterally broadens of square wave shape.
10. luminous diode directional lighting energy conserving lamp according to claim 1 and 2 is characterized in that: also comprise lamp body, have the hollow housing that is combined by base and Transparent lamp shade; And the porous substrate that is used to install described circuit board, its be arranged in the described housing and and base, Transparent lamp shade between all form heat dissipation channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200070387U CN201028363Y (en) | 2007-05-15 | 2007-05-15 | LED oriented lighting energy-saving lamp |
| HK07111490A HK1105070A2 (en) | 2007-05-15 | 2007-10-25 | Light emitting diode directional illumination energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200070387U CN201028363Y (en) | 2007-05-15 | 2007-05-15 | LED oriented lighting energy-saving lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201028363Y true CN201028363Y (en) | 2008-02-27 |
Family
ID=39016052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200070387U Expired - Fee Related CN201028363Y (en) | 2007-05-15 | 2007-05-15 | LED oriented lighting energy-saving lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201028363Y (en) |
| HK (1) | HK1105070A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572983B (en) * | 2009-06-04 | 2013-10-23 | 广州冠今电子科技有限公司 | Intelligent LED illumination energy-saving control system |
-
2007
- 2007-05-15 CN CNU2007200070387U patent/CN201028363Y/en not_active Expired - Fee Related
- 2007-10-25 HK HK07111490A patent/HK1105070A2/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572983B (en) * | 2009-06-04 | 2013-10-23 | 广州冠今电子科技有限公司 | Intelligent LED illumination energy-saving control system |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1105070A2 (en) | 2008-02-01 |
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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 | ||
| CP02 | Change in the address of a patent holder |
Address after: A3-2 unit, three South District, Chengxi Road, Fujian City, Quanzhou Province, China: 362000 Patentee after: Liu Zhiyong Address before: Fujian city of Quanzhou province Quanxiu garden Quanxiu Rd West Room 18 No. -301, zip code: 362000 Patentee before: Liu Zhiyong |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fujian Smartenergy Optoelectronic Co., Ltd. Assignor: Liu Zhiyong Contract record no.: 2010990000447 Denomination of utility model: Luminous diode directional lighting energy conserving lamp and method of manufacture Granted publication date: 20080227 License type: Exclusive License Record date: 20100628 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080227 Termination date: 20130515 |