CN203686887U - Light distribution system of strip-shaped lamp - Google Patents
Light distribution system of strip-shaped lamp Download PDFInfo
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- CN203686887U CN203686887U CN201320802253.1U CN201320802253U CN203686887U CN 203686887 U CN203686887 U CN 203686887U CN 201320802253 U CN201320802253 U CN 201320802253U CN 203686887 U CN203686887 U CN 203686887U
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- led lamp
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- lamp
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Abstract
A light distribution system of a strip-shaped lamp comprises at least two LED lamps arranged at an interval, at least one light reflection column arranged between the two adjacent LED lamps and arranged in the arrangement direction of the LED lamps, and a lamp shade arranged in the light-emitting direction of the LED lamps in a covering way, wherein a cross section vertical to optical axes of the LED lamps comprises two circles of which each is formed by taking the center of each LED lamp as the center of a circle and taking the distance from the center of the circle to the lamp shade as the radius, the two circles intersect and form two areas with the lamp shade, and the light reflection column reflects light from the LED lamps to the areas. The light reflection column is utilized to reflect the light from the LED lamps to the areas formed by the two intersected circles and the side wall of the lamp shade, so as to compensate the light in the areas, as a result, the illuminance in the areas is basically the same as the illuminance in other areas, and the purpose that the light distribution system of the strip-shaped lamp is uniform in light emitting is achieved.
Description
Technical field
The utility model relates to a kind of lighting apparatus, particularly the uniform strip lamp light distributing system of a kind of bright dipping.
Background technology
In general daily life, all can see various lighting apparatus everywhere, for example, fluorescent lamp, street lamp, desk lamp, artistic lamp etc.In above-mentioned lighting apparatus, major part is as illuminating source with osram lamp traditionally.In recent years, because science and technology is maked rapid progress, utilized light emitting diode (LED) as luminous source.Very person, except lighting apparatus, for general traffic sign, billboard, car light etc., also changes into and uses light emitting diode as illuminating source.As previously mentioned, use light emitting diode as illuminating source, its benefit is power saving, and brightness is larger, therefore generalization gradually on using.
Along with popularizing of LED light fixture, increasing occasion is brought into use LED light fixture, comprises and using in recent years in the commercial lighting such as exhibition cabinet, showcase, and use in office space replace fluorescent lamps.But the characteristic that the LED lamp using due to LED light fixture has, i.e. graininess, thus make this LED light fixture there is light and shade district, obvious interval, the bar shape LED lamp particularly using in office space.User can consciously or unconsciously see whole light fixture, and these light fixtures with light and shade district, obvious interval will reduce substituting to ordinary lamp and lanterns such as fluorescent lamps of LED strip light, have also reduced the aesthetics of its bright dipping.
Utility model content
In view of this, be necessary to provide a kind of bright dipping uniform strip lamp light distributing system, to overcome above-mentioned deficiency.
A kind of strip lamp light distributing system comprises at least two spaced LED lamps, at least one is arranged on the reflecting pole arranging between described adjacent two LED lamp and along described LED lamp bank column direction, an and lampshade being located on described LED lamp light direction, on the cross section of the optical axis perpendicular to described LED lamp, comprise respectively two circles of center take the described two adjacent LED lamp distance as the Qie Yigai center of circle, the center of circle to lampshade as radius, these two circles intersect and form two regions with described lampshade, described reflecting pole will reflex to this region from the light of described LED lamp.
Compared with prior art, utilize on the region that described reflecting pole forms the sidewall that reflexes to two crossing circles and lampshade from the light of LED lamp, light to this region compensates, so that the illumination in this region and the illumination in other regions are basic identical, there is the uniform object of bright dipping thereby reach described strip lamp light distributing system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, wherein:
The decomposition texture schematic diagram of a kind of strip lamp light distributing system that Fig. 1 provides for the utility model.
Fig. 2 is that the strip lamp light distributing system of Fig. 1 is along the cross-sectional view of A-A line.
The sectional view of the optical axis of the LED lamp that Fig. 3 has for the strip lamp light distributing system perpendicular to Fig. 1.
Fig. 4 is that the strip lamp light distributing system of Fig. 1 is along portion's face structural representation of B-B line.
Fig. 5 is that the strip lamp light distributing system of Fig. 1 is along the cross-sectional view of C-C line.
The specific embodiment
Based on accompanying drawing, specific embodiment of the utility model is further elaborated below.Should be appreciated that specific embodiment described herein is only as embodiment, and be not used in restriction protection domain of the present utility model.
Refer to Fig. 1 and Fig. 2, it is the structural representation of a kind of strip lamp light distributing system 100 provided by the utility model.Described strip lamp light distributing system 100 comprises a lamp bracket 10, a light source module 11 being arranged on described lamp bracket 10, lampshade 12 on a light direction that is located at described light source module 11, and a reflex reflector 13 being arranged on described light source module 11.Can expect, described strip lamp light distributing system 100 also comprises other components, as end cap, and wire, water-proof sealing strip etc., because being not those skilled in the art's technology known as utility model emphasis and its in the utility model, therefore not to repeat here.
Described lamp bracket 10 comprises that 101, two of lamp bracket bodies are separately positioned on these lamp bracket body 101 dual-sides and towards the groove 102 of lampshade 12 openings, and one is arranged on lamp bracket body 101 inwalls for the rack 103 of described light emitting module 11 is set.For waterproof, described lamp bracket body 101, groove 102 and rack 103 are all one-body molded, as by aluminium extrusion molding.Described lamp bracket body 101 can be deep-slotted chip breaker, rectangular channel or vee gutter, to adapt to different applied environments.In the present embodiment, described lamp bracket body 101 is a rectangular channel.Can to expect, in order being connected with other parts, on this lamp bracket body 101, other structure can also to be set, if screw connecting hole (not indicating) is to arrange end cap etc.The opening of this groove 102 is towards described lampshade 12.Described rack 103 lies across on the inwall of lamp bracket body 101, for described light emitting module 11 is set, can also strengthen the intensity of lamp bracket 10 simultaneously.Described lamp bracket 10 can be made of metal, and is beneficial at protection light source module 11 and in described lampshade 12 is set, and can also dispel the heat.
Described light emitting module 11 comprises a circuit board 111, and at least two LED lamps 112 that are electrically arranged on this circuit board 111.Described circuit board 111 can be printed circuit board (PCB) (Printed Circuit Board, PCB), is provided with circuit or other electronic component on it, if diode, triode etc. are to supply with specified electric current or the control signal of light source 112.Described circuit board 111 is fixedly installed on the rack 103 of described lamp bracket 10, and described LED lamp 112 is fixedly installed on this circuit board 112, and therefore described light emitting module 11 is whole is fixed on lamp bracket 10.Because 112, described circuit board 111 and described LED lamp are as prior art, repeat no more.Described at least two LED lamp 112 are disposed on described circuit board 111, a common strip lamp will comprise two LED lamp 112 incessantly, but a lot of, generally more than 20, and produce for the ease of assembling, and luminous intensity distribution setting, this 20 plurality of LEDs lamp 112 generally uniformly-spaced arranges.For the utility model is further explained, as shown in Figure 3, it is not for to install the structural representation that described reflex reflector 13 is set, and this Fig. 3 be perpendicular to described LED lamp 112 the sectional view of optical axis.On this cross section, take each LED Deng112 center as the center of circle, can draw the circular flat equiluminous curve of numerous different-diameter size.Can expect, if along light direction and the optical axis of LED lamp 112 and do numerous cross section from LED lamp 112 different distance, draw the plane equiluminous curve of numerous same illumination, these plane equiluminous curves will form a hemisphere.In Fig. 3, only select the description object of a cross section as the present embodiment.If so that two two adjacent LED lamp 112 centers are as center of circle O respectively, the beeline take this LED Deng112 center to the sidewall of lampshade 12, as radius r, is drawn a plane equiluminous curve, i.e. two circles again.Can expect, if two circles are non-intersect, the dark space between two adjacent LED lamps 112 will be larger.Certainly can expect, if increase simply the granule number of LED lamp 112, be close to one as one, dark space can be little, even do not have, but can increase the manufacturing cost of each strip lamp.Therefore, these two distances take this LED Deng112 center to the sidewall of lampshade 12 intersect as the circle of radius conventionally.From Fig. 3, can find out the outside that these two circles are crossing and can form two regions, the region that uses cross spider to fill with described lampshade 12.The illumination in these two regions is to be unequal with the illumination of the inside of two circles, therefore lampshade 12 with the tangent position of these two circles and around, its illumination change is not obvious.And away from these two positions that circle is tangent, its illumination change will be very large.From user's angle, will form area pellucida and dark space, in the time that the granule number of LED lamp 112 is more, just can form the phenomenon at light and shade interval, aesthetics and quality that will the whole strip lamp of impact.Can expect, when a strip lamp has a lot of LED lamps 112, such region also has a lot, and in the present embodiment, only for the utility model is described, set forth in two regions that only two adjacent LED lamps 112 formed.
Described lampshade 12 comprises a lampshade body 121, and two plug sides 122 that are separately positioned on these lampshade body 121 dual-sides.Because the emergent light of light emitting module 11 is penetrated by this lampshade 12, simultaneously in order to prevent that user from directly seeing the LED lamp 112 of light emitting module 11, this lampshade 12 is made up of the material with certain transparency, rather than completely transparent, and this transparency can be less than 100% and be greater than 70%.The cross section of described lampshade body 12 can be U-shaped, arc, rectangle or triangle.In the present embodiment, described lampshade body 12 is a U-shaped structure.Because lampshade body 121 will be plugged on lamp bracket body 101, therefore its structural parameters should match with the structural parameters of lamp bracket body 101, as diameter.The chord length of described lampshade 12 will be greater than the length of end of described rectangle lamp bracket 10, therefore, in the time of assembling, this lampshade 12 need to be pressed in the groove 102 of lamp bracket 10, thereby utilize the elasticity of described lampshade 12 that this lampshade 12 is clamped with lamp bracket 10.What can expect is, in order to infiltrate the gap of anti-sealing between this plug side 122 and groove 102, can also in this groove 102, sealing strip (not shown) be set, described plug side 122 is pressed on sealing bar, makes sealing strip distortion reach the effect of water-tight.Described plug side 122 is for the clamping that matches with the groove 102 of lamp bracket 10, to fix the relative position of described lamp bracket 10 and lampshade 12.Described plug side 122 need to stretch in groove 102.
Described reflex reflector 13 comprises a strip plate body 131, the reflecting pole 132 that at least one is arranged between described adjacent two LED lamp 112 and arranges along described LED lamp 112 orientations, and at least two be respectively used to sheathed described in the through hole 133 of at least two LED lamp 112.Described strip plate body 131 is beneficial to this reflex reflector 13 to be fixedly installed on for connecting described reflecting pole 132 circuit board 111 of described reflective module 11.Certainly can understand, described reflex reflector 13 also can not comprise described strip plate body 131 and only comprise described reflecting pole 132, now, also not need described through hole 133.Also therefore, in the time having multiple reflecting pole 132, need singly the plurality of reflecting pole 132 assemblings to be arranged on circuit board 111, this will increase manufacturing cost.The quantity of described reflecting pole 132 is determined according to the quantity of LED lamp 112, between every two adjacent LED lamps 112, a reflecting pole 132 is set.For example, when LED lamp 112 has n, the number of reflecting pole 132 is n-1 so.The Main Function of described reflecting pole 132 is in the region that the sidewall that reflexes to plane equiluminous curve described above and lampshade 12 from the light of described LED lamp 112 is formed, two crossing two regions that circle and lampshade were formed that are radius for the Qie Gai center of circle, the center of circle to the distance of lampshade 12 with described two adjacent LED lamp 112 centers.In order to utilize this reflecting pole 132 to reflex to above-mentioned zone from the light of LED lamp 112, index path as shown in Figure 4, be astroid at the outline line of the above reflecting pole 132 of the cross section of the optical axis perpendicular to described LED lamp 112, in two diagonal of described astroid one is parallel with the orientation of LED lamp 112, and another diagonal is vertical with the orientation of LED lamp 112.The reflecting pole 132 of this star wire has four sides, utilizes these four sides will to reflex to from the light of LED lamp 112 on two above-mentioned regions respectively.Meanwhile, as shown in Figure 5, on the cross section of the optical axis along described LED lamp 112, the outline line of the side towards described LED lamp 112 of described reflecting pole 132 is arc.And the radian on the amount of curvature of this arc and the each limit of astroid will be determined according to actual conditions, as the distance of two adjacent LED lamps 112, the size of the distance of lampshade 12 etc. is arrived at LED Deng112 center.Equally, in order to assemble and easily manufactured, the distance of two LED lamp 112 that described each reflecting pole 132 distance are adjacent equates.And in order to alleviate the weight of described reflex reflector 13, described reflecting pole 132 can hollow structure.Described through hole 133 only, in order to allow the light of LED lamp 112 penetrate, and does not allow described strip plate body 131 block.Therefore this through hole 133 can have any shape, the hole of structure.Described reflex reflector 13 can be made up of white material, as white resin, can certainly be made up of other materials, then on the surface of described reflecting pole, specular reflective material is set.In the present embodiment, described reflex reflector 13 is one-body molded by white resin material.Certainly, also it should be noted that, the light penetrating due to described LED lamp forms hemispherical, and therefore described reflecting pole 132 is to the reflective plane of being also not only as shown in Figures 4 and 5 from LED lamp 112, but a solid, this has of illuminating described lampshade 12 in the region of certain area.In addition, what need further explanation is, LED lamp 112 also can directly project light onto above-mentioned region, only in same plane equiluminous curve, illumination in above-mentioned region and plane equiluminous curve is smaller, and therefore described reflecting pole 132 will reflex to two above-mentioned compensation that region is a kind of illumination to this region from the light of LED lamp.
Compared with prior art, the region that utilizes described reflecting pole 132 that the sidewall that reflexes to two crossing circles and lampshade 12 from the light of LED lamp 112 is formed, light to this region compensates, so that the illumination in this region and the illumination in other regions are basic identical, there is the uniform object of bright dipping thereby reach described strip lamp light distributing system 100.It should be noted that, here " basic identical " although the meaning refer to illumination apparatus measures regional, its brightness value may be not exclusively the same, but visually observe and be difficult to discover this difference for people, thereby reach the vision for people, the lighting effect of regional is consistent.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all interior done any modifications in spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a strip lamp light distributing system, it is characterized in that: described strip lamp light distributing system comprises at least two spaced LED lamps, at least one is arranged on the reflecting pole arranging between described adjacent two LED lamp and along described LED lamp bank column direction, an and lampshade being located on described LED lamp light direction, on the cross section of the optical axis perpendicular to described LED lamp, comprise respectively two circles of center take the described two adjacent LED lamp distance as the Qie Yigai center of circle, the center of circle to lampshade as radius, these two circles intersect and form two regions with described lampshade, described reflecting pole will reflex to this region from the light of described LED lamp.
2. strip lamp light distributing system as claimed in claim 1, it is characterized in that: the outline line of described reflecting pole on the cross section of the optical axis perpendicular to described LED lamp is astroid, in two diagonal of described astroid one is parallel with the orientation of LED lamp, and another is vertical with the orientation of LED lamp.
3. strip lamp light distributing system as claimed in claim 1, is characterized in that: the outline line in the side towards described LED lamp of the above reflecting pole of the cross section of the optical axis along described LED lamp is arc.
4. strip lamp light distributing system as claimed in claim 1, is characterized in that: described reflecting pole is made up of white material.
5. strip lamp light distributing system as claimed in claim 1, is characterized in that: the surface of described reflecting pole is provided with specular reflective material.
6. strip lamp light distributing system as claimed in claim 1, is characterized in that: described reflecting pole is hollow structure.
7. strip lamp light distributing system as claimed in claim 1, it is characterized in that: described strip lamp light distributing system comprises a reflex reflector, described reflex reflector comprises a strip plate body, reflecting pole described at least one, and at least two be respectively used to sheathed described in the through hole of at least two LED lamp.
8. strip lamp light distributing system as claimed in claim 7, is characterized in that: the distance of two LED lamp that described reflecting pole distance is adjacent equates.
9. strip lamp light distributing system as claimed in claim 1, is characterized in that: the transparency of described lampshade is less than 100% and be greater than 70%.
10. strip lamp light distributing system as claimed in claim 1, is characterized in that: the cross section of described lampshade is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802253.1U CN203686887U (en) | 2013-12-04 | 2013-12-04 | Light distribution system of strip-shaped lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802253.1U CN203686887U (en) | 2013-12-04 | 2013-12-04 | Light distribution system of strip-shaped lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203686887U true CN203686887U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320802253.1U Expired - Lifetime CN203686887U (en) | 2013-12-04 | 2013-12-04 | Light distribution system of strip-shaped lamp |
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| Country | Link |
|---|---|
| CN (1) | CN203686887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696886A (en) * | 2013-12-04 | 2015-06-10 | 林万炯 | Bar lamp light distributing system |
| CN111765436A (en) * | 2020-06-08 | 2020-10-13 | 江门文行灯饰有限公司 | Lamp light reflector and waterproof lamp |
-
2013
- 2013-12-04 CN CN201320802253.1U patent/CN203686887U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696886A (en) * | 2013-12-04 | 2015-06-10 | 林万炯 | Bar lamp light distributing system |
| CN111765436A (en) * | 2020-06-08 | 2020-10-13 | 江门文行灯饰有限公司 | Lamp light reflector and waterproof lamp |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |