CN202182416U - Large-angle LED (light-emitting diode) light source reflector - Google Patents
Large-angle LED (light-emitting diode) light source reflector Download PDFInfo
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- CN202182416U CN202182416U CN2011203360157U CN201120336015U CN202182416U CN 202182416 U CN202182416 U CN 202182416U CN 2011203360157 U CN2011203360157 U CN 2011203360157U CN 201120336015 U CN201120336015 U CN 201120336015U CN 202182416 U CN202182416 U CN 202182416U
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- reflector
- light source
- equal
- led light
- camber line
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Abstract
The utility model discloses a large-angle LED (light-emitting diode) light source reflector which comprises an LED light source, a base for mounting and fixing the LED light source and a reflector fixed on the base through a mounting plane. When a distance k from the initial point of a side camber line of the reflector to the center point of the light source is more than or equal to 4mm and less than or equal to 50mm, the side camber line of the reflector meets the following cubic curvilinear equation: y=ax3+bx2+cx+d, wherein x is more than or equal to 40mm and less than or equal to 53.503mm; a is more than or equal to 0.0247 and less than or equal to 0.03; b is more than or equal to minus 3.66 and less than or equal to minus 3.3; c is more than or equal to 147 and less than or equal to 180; d is more than or equal to minus 2,444 and less than or equal to minus 2,198; x represe nts the radius of the reflector; y represents the height of the reflector; and when k is equal to 40mm, the height y of the reflector is 40mm to 43mm. The large-angle LED light source reflector disclosed by the utility model has an illuminating angle of 100 DEG to 106 DEG. The requirements on the mounting spacing height ratio and the uniformity of the lamp are met. The phenomenon of color spots in an illuminating region is eliminated. The requirement on the uniformity when the mounting spacing height ratio of the lamp is equal to 1.5 times can be met, so that the phenomenon of the color spots in an illuminating region is eliminated.
Description
Technical field
The utility model belongs to lighting, especially belongs to the LED lighting, particularly a kind of reflector of large-angle LED lighting.
Background technology
The industrial lighting lamp is the indispensable lighting apparatus of industrial site, and the traditional industry illuminating lamp adopts high-pressure mercury lamp more, and not only power consumption is big, and surface temperature is too high in the light fixture use, has potential safety hazard.
The LED illumination has advantages such as energy-saving and environmental protection, life-span length, safety, high directivity.But because LED has high directivity, the lamp lighting zone is narrow and small, and existing LED industrial lighting lamp does not pass through reasonable luminous intensity distribution or employing typical circular reflector; When lamp installation is excessive apart from height ratio; The illumination uniformity is not ideal enough, and there is aberration in the light of LED, so in irradiation area, color spot, blackening can occur; Influence normal operation, improve lighting quality and be the LED illuminating industry and make great efforts the technical problem that solves always.
Summary of the invention
The utility model discloses a kind of large-angle LED light source reflector according to the deficiency of prior art.The utility model purpose is to solve the deficiency that above-mentioned LED industrial lighting lamp reflector exists, and a kind of new wide-angle industrial lighting lamp reflector is provided, and the color spot phenomenon in the field of illumination is eliminated in the uniformity requirement in the time of can satisfying lamp installation apart from 1.5 times of height ratios.
The utility model is realized through following technical scheme:
A kind of large-angle LED light source reflector; Comprise led light source, install and fix the base of led light source and be fixed on the reflector of base through mounting plane; It is characterized in that: when the starting point of the side camber line of said reflector apart from light source center point during apart from 4mm≤k≤50mm, the side camber line of reflector satisfies cubic curve equation: y=ax
3+ bx
2+ cx+d, 40mm≤x≤53.503mm wherein, 0.0247≤a≤0.03 ,-3.66≤b≤-3.3,147≤c≤180 ,-2444≤d≤-2198, wherein x is the reflector radius, and y is a reflector height, and K also is that the side camber line of reflector is at curvilinear equation y=ax
3+ bx
2The starting point of x among the+cx+d.
Further preferred reflector side camber line satisfies cubic curve equation y=ax
3+ bx
2+ cx+d, 40mm≤x≤53.503mm wherein, 0.02747≤a≤0.0275 ,-3.656≤b≤-3.652,163.1≤c≤163.3 ,-2444≤d≤-2442.
Said led light source emits beam behind said reflector secondary light-distribution, and beam angle is 100 °～106 °.
Further when the starting point of the side camber line of reflector apart from light source center point during apart from k=40mm, reflector height y=40mm～43mm.
The utility model reflector also has following advantage:
When 1, the utility model invention reflector satisfied 1.5 times of lamp installation apart from height ratio respectively, uniformity of illuminance satisfied the architectural lighting design standard more than 0.9 in the operating area.
2, the utility model can manufacture and design reflector 1.5 during apart from height ratio, and the uniformity of illuminance of wide-angle industrial lighting lamp more than 0.9 eliminated existing industrial lighting lamp owing to uniformity of illuminance is crossed the low blackening phenomenon that produces.
3, because there is aberration in led light source, so in irradiation area, there is aberration, led light source makes led light source emergent ray mixed light behind the utility model reflector luminous intensity distribution, eliminate the aberration phenomenon in the irradiation area.
4, because the brightness value size of any and light source square being inversely proportional to that emit beam on the receiving plane to the distance of changing the time; So light fixture that tradition does not design through luminous intensity distribution; A part of light does not shine on the working face or shines the hypertelorism on the working face in the light source emergent ray, and the efficiency of light energy utilization is low.Led light source is behind reflector luminous intensity distribution of the present invention, and emergent ray is radiated in the working region through beeline, promotes the efficiency of light energy utilization.
5, through changing the pip of article one emergent ray, can change reflector side camber line equation of the present invention, thereby produce the reflector that satisfies Different Light size luminous intensity distribution.
The utility model helpfulness; The utility model adopts the wide-angle industrial lighting lamp reflector of above-mentioned side camber line cubic equation design; The light angle of reflector is 100 °～106 °; Solved the deficiency that above-mentioned LED industrial lighting lamp reflector exists, the color spot phenomenon in the field of illumination is eliminated in the uniformity requirement in the time of can satisfying lamp installation apart from 1.5 times of height ratios.
Description of drawings
Fig. 1 is the utility model reflector side camber line sectional structure sketch map;
Fig. 2 is the utility model reflector perspective view;
Fig. 3 is the utility model reflector side camber line coordinate diagram;
Fig. 4 is the utility model reflector light distribution map.
Among the figure, the 1st, reflector, the 2nd, base, the 3rd, led light source, K are that the starting point of the side camber line of reflector is put distance apart from light source center, and x is the reflector radius, and y is that reflector is high.
The specific embodiment
Through the specific embodiment and accompanying drawing the utility model is further specified below.Embodiment is used to explain the utility model, limits the utility model never in any form.
In conjunction with Fig. 1 to Fig. 4, as shown in the figure, a kind of large-angle LED light source reflector, reflector 1 is fixed on the led chip base 2 through mounting plane.
During apart from k=40mm, reflector 1 side camber line satisfies cubic curve equation y=ax to the starting point of the side camber line of reflector 1 apart from light source center point
3+ bx
2+ cx+d, wherein, 40mm≤x≤53.503mm, 0.0247≤a≤0.03;-3.66≤b≤-3.3,147≤c≤180 ,-2442.26≤d≤-2198, x is reflector 1 radius; As shown in Figure 3, x is 1 length to the y axle on the camber line, and y is reflector 1 height; Y is 1 length to the x axle on the camber line, and when k changed, each point changed with variable in distance synchronously on the curvilinear equation.
Optimal technical scheme is: during apart from k=40mm, the side camber line of reflector 1 satisfies cubic curve equation: y=ax to the starting point of the side camber line of reflector 1 apart from light source center point
3+ bx
2+ cx+d, 40mm≤x≤53.503mm wherein, 0.02747≤a≤0.0275 ,-3.656≤b≤-3.652,163.1≤c≤163.3 ,-2444≤d≤-2442), wherein x is reflector 1 radius, y is reflector 1 height.
When the starting point of the side camber line of reflector 1 apart from light source center point during apart from k=40mm, reflector 1 height 40mm～43mm.
As shown in Figure 3, when the starting point of the side camber line of reflector 1 when light source center point changes apart from k, each point changes with variable in distance synchronously on the curvilinear equation, can make the reflector of different size, 4mm≤k≤50mm.
As shown in Figure 4, led light source emits beam behind reflector 1 secondary light-distribution, energy of light source in 100 °～106 ° scopes of beam angle from new distribution, the uniformity requirement in the time of can satisfying lamp installation apart from 1.5 times of height ratios.
This example has wide-angle reflection device structure.The LED illumination has advantages such as energy-saving and environmental protection, life-span length, safety, high directivity.But because LED has high directivity; The lamp lighting zone is narrow and small, and existing LED industrial lighting lamp does not pass through reasonable luminous intensity distribution or employing typical circular reflector, when lamp installation is excessive apart from height ratio; The illumination uniformity is not ideal enough; There is aberration in the light of LED, so in irradiation area, color spot, blackening can occur, influences normal operation.
The purpose of this routine wide-angle industrial lighting lamp reflector is to solve the deficiency that above-mentioned LED industrial lighting lamp reflector exists; A kind of new wide-angle industrial lighting lamp reflector is provided; The color spot phenomenon in the field of illumination is eliminated in uniformity requirement in the time of can satisfying lamp installation apart from 1.5 times of height ratios.
Above-mentionedly be meant the ratio of distance and light fixture suspension height between the adjacent two light fixture light centers apart from height ratio, suspension height is the height by light fixture center to working face.Above-mentioned uniformity of illuminance is on the regulation surface, the ratio of minimal illumination and average illumination, and by architectural lighting design standard regulation, the industrial lighting place, the general illumination uniformity of illuminance of operating area should not be lower than 0.7.
Claims (4)
1. large-angle LED light source reflector; Comprise led light source (3), install and fix the base (2) of led light source (3) and be fixed on the reflector (1) of base (2) through mounting plane; It is characterized in that: apart from 4mm≤k≤50mm, the side camber line of reflector (1) satisfies cubic curve equation: y=ax to the starting point of the side camber line of said reflector (1) apart from light source center point
3+ bx
2+ cx+d, 40mm≤x≤53.503mm wherein, 0.0247≤a≤0.03 ,-3.66≤b≤-3.3,147≤c≤180 ,-2444≤d≤-2198, wherein x is the reflector radius, y is a reflector height.
2. large-angle LED light source reflector according to claim 1 is characterized in that: reflector (1) side camber line satisfies cubic curve equation y=ax
3+ bx
2+ cx+d, 40mm≤x≤53.503mm wherein, 0.02747≤a≤0.0275 ,-3.656≤b≤-3.652,163.1≤c≤163.3 ,-2444≤d≤-2442.
3. large-angle LED light source reflector according to claim 1 and 2 is characterized in that: led light source emits beam behind said reflector (1) secondary light-distribution, and beam angle is 100 °～106 °.
4. large-angle LED light source reflector according to claim 1 and 2 is characterized in that: apart from k=40mm, reflector (1) is y=40mm～43mm highly apart from light source center point for the starting point of the side camber line of reflector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203360157U CN202182416U (en) | 2011-09-08 | 2011-09-08 | Large-angle LED (light-emitting diode) light source reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203360157U CN202182416U (en) | 2011-09-08 | 2011-09-08 | Large-angle LED (light-emitting diode) light source reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202182416U true CN202182416U (en) | 2012-04-04 |
Family
ID=46175452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203360157U Expired - Lifetime CN202182416U (en) | 2011-09-08 | 2011-09-08 | Large-angle LED (light-emitting diode) light source reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202182416U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261620A (en) * | 2011-09-08 | 2011-11-30 | 赵翼 | LED (light emitting diode) light source reflector |
| CN107620895A (en) * | 2017-09-21 | 2018-01-23 | 常州市元智汇电子有限公司 | The anti-dazzle blackboard lightses of LED |
-
2011
- 2011-09-08 CN CN2011203360157U patent/CN202182416U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261620A (en) * | 2011-09-08 | 2011-11-30 | 赵翼 | LED (light emitting diode) light source reflector |
| CN107620895A (en) * | 2017-09-21 | 2018-01-23 | 常州市元智汇电子有限公司 | The anti-dazzle blackboard lightses of LED |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120404 Effective date of abandoning: 20140319 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120404 Effective date of abandoning: 20140319 |