CN207455226U - A kind of LED lamp light distributing system and its lighting system - Google Patents
A kind of LED lamp light distributing system and its lighting system Download PDFInfo
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- CN207455226U CN207455226U CN201721340301.4U CN201721340301U CN207455226U CN 207455226 U CN207455226 U CN 207455226U CN 201721340301 U CN201721340301 U CN 201721340301U CN 207455226 U CN207455226 U CN 207455226U
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Abstract
A kind of LED lamp light distributing system and its lighting system, the lighting system include a LED lamp light distributing system and at least one plane of illumination.The LED lamp light distributing system includes a LED chip, a lens and a reflex reflector.The lens include a lens axis, and a light source sets slot and an exit facet.The light source sets slot to include a first contour line, and the exit facet includes a first exit facet contour line.The first contour line and the first exit facet contour line are completed to the emergent light of the LED chip towards the convergence close to the lens axis.The light source sets slot to include second contour line, and the exit facet includes a second exit facet contour line, and second contour line and the second exit facet contour line are completed to the emergent light of the LED chip towards the diffusion away from the lens axis.The plane of illumination is perpendicular to the reflecting plate and the lens axis.The lighting system can provide specific illuminating effect to the user, to meet the needs of users.
Description
Technical field
The utility model is related to a kind of lighting system, a kind of particularly LED lamp that can provide illumination effect is matched somebody with somebody
Photosystem and its lighting system.
Background technology
In general daily life, all visible various lighting apparatus everywhere, for example, fluorescent lamp, street lamp, desk lamp, skill
Art lamp etc..In above-mentioned lighting apparatus, traditionally most of is using osram lamp as illuminating source.In recent years, due to section
Skill is maked rapid progress, by the use of light emitting diode (LED) as light sources.Notably, in addition to lighting apparatus, for general traffic number
Will, billboard, car light etc. are also changed to use light emitting diode as illuminating source.As previously mentioned, made using light emitting diode
For illuminating source, power saving, and brightness bigger are advantageous in that, therefore the gradual generalization on using.
With the development of lighting engineering, requirement of the people to light source is higher and higher, such as the size of hot spot, the side of illumination
To, the even illumination of light, colourity and lumen value.Particularly in some wall lamps, it is highly desirable that there is given shape
Hot spot, such as square, such as rectangle etc..But for the similar point light source such as some downlights, often it is difficult to square light
Spot.
Utility model content
In view of this, it is necessary to which a kind of LED lamp light distributing system that can provide illumination effect and its illumination are provided
System, to overcome above-mentioned deficiency.
A kind of LED lamp light distributing system, including a LED chip, a light direction for being arranged on the LED chip
On lens and a reflex reflector being arranged on the light direction of the lens described in LED chip include a chip
Lens described in optical axis include a lens axis with chip optical axis coincidence setting, and one intersects with the lens axis
Light source sets the exit facet of slot and an emergent light for receiving the light source setting slot.It is a face that the light source, which sets slot,
Symmetrical structure.On the section along the lens axis and parallel water plane, the light source sets slot to include a first profile
Line, the exit facet include a first exit facet contour line.The first contour line and the completion pair of the first exit facet contour line
The emergent light of the LED chip towards close to the lens axis convergence.Along the lens axis and perpendicular to horizontal plane
On section, the light source sets slot to include second contour line, and the exit facet includes a second exit facet contour line, institute
The second contour line is stated to complete to the emergent light of the LED chip towards away from the lens axis with the second exit facet contour line
Diffusion.The reflex reflector includes a reflecting plate, and the reflecting plate is perpendicular to second contour line and the second exit facet
The plane that contour line is formed.
Further, the first exit facet profile curvature of a curve is more than the first profile curvature of a curve.
Further, the second exit facet profile curvature of a curve is less than the first profile curvature of a curve.
Further, on the section along the lens axis and parallel to horizontal plane, the second exit facet contour line
It, should including two sections of curved lines and an intersection for being intersected by two sections of curved lines and being formed and being intersected with the lens axis
Intersection is parallel with horizontal plane.
Further, the lens are using the plane where the intersection and lens axis as the plane of symmetry.
Further, the lens are using the plane perpendicular to the intersection and where lens axis as the plane of symmetry.
Further, on the second exit facet contour line, the angle of flare of the second exit facet contour line is towards away from institute
The direction for stating intersection is gradually reduced so as to gradually become more towards the light that the direction away from the intersection is obtained.
A kind of lighting system, including LED lamp light distributing system as described above and it is at least one respectively with the LED
The corresponding plane of illumination of lamp distribution system.The plane of illumination is perpendicular to the reflecting plate and the lens axis.Along institute
State lens axis and parallel on the section of horizontal plane, the second exit facet contour line includes two sections of curved lines and one
The intersection for being intersected and being formed by two sections of curved lines.The intersection intersects with the lens axis, and parallel with horizontal plane.With institute
Intersection is stated for boundary and on the section along the lens axis and parallel to horizontal plane, second close to the reflecting plate one side goes out
Penetrate reflecting plate described in the emergent light directive of facial contour line, the reflection light of the reflecting plate and the separate reflecting plate one side
The hot spot that the emergent light of second exit facet contour line is formed on the plane of illumination overlaps.
Further, on the second exit facet contour line, the angle of flare of the second exit facet contour line is towards away from institute
The direction for stating intersection is gradually reduced so as to gradually become more towards the light that the direction away from the intersection is obtained.
Further, the one side farthest from the plane of illumination of lens described in the small one side directive of the angle of flare.
Compared with prior art, by the exit facet to lens and light source set slot perpendicular to horizontal plane with it is parallel
In the structure design of the contour line of horizontal plane both direction and under the action of the reflecting plate, the emergent light of the lens exists
The hot spot formed on plane of illumination will be substantially a rectangular light spots, so as to provide specific illumination effect to the user
Fruit, to meet the needs of users.
Description of the drawings
The embodiment of the utility model is described below in conjunction with attached drawing, wherein：
Fig. 1 is the structure and light path schematic diagram of a kind of lighting system provided by the utility model.
Fig. 2 is lens possessed by the lighting system of Fig. 1 on the section along the lens axis and parallel to horizontal plane
Structure diagram.
Fig. 3 is lens possessed by the lighting system of Fig. 1 on the section along the lens axis and perpendicular to horizontal plane
Structure diagram.
Fig. 4 is the lighting system of Fig. 1 parallel to the light path schematic diagram on horizontal plane.
Specific embodiment
Specific embodiment of the utility model is further elaborated below based on attached drawing.It should be appreciated that herein
Described specific embodiment only as embodiment, is not used to limit the scope of protection of the utility model.
It please refers to Fig.1 to Fig.4, is a kind of structure diagram of lighting system 100 provided by the utility model.It is described
Lighting system 100 includes a LED lamp light distributing system 10 and one and the 10 corresponding quilt of LED lamp light distributing system
Shadow surface 20.In practical applications, the LED lamp light distributing system 10 may include multiple, this can be according to plane of illumination
20 size how many determines.In the present embodiment, only for the utility model is described in detail, therefore a LED light is only shown
Have light distributing system 10 and one and the 10 corresponding plane of illumination 20 of LED lamp light distributing system.It is envisioned that the illumination
System 100 further includes other components, such as cabinet, installation and the lamp bracket for setting LED lamp light distributing system 10, lamp
The components such as cover, for power supply for power to LED module 10 etc., because suchlike component is not the weight of the utility model
Point, details are not described herein.
The LED lamp light distributing system 10 includes a LED chip 11, a light extraction for being arranged on the LED chip 11
Lens 12 and a reflex reflector 13 being arranged on the light direction of the lens 12 on direction.
The LED chip 11 includes a chip optical axis 111.Those skilled in the art all should be known, any one
Light source should all have there are one optical axis, can become the guiding of optical design.Structure and work for LED chip 11 itself
Principle should be the prior art, and details are not described herein.It is to be understood that the lighting effect of LED chip 11.LED chip 11
It is similar to a point light source, but its light sent is not a spherical shape, and is a hemispherical, i.e., at any one along light
On the section of axis, light emitting angle is all 180 degree.It therefore, should if not carrying out regulation to the emergent ray of the LED chip 11
The hot spot that LED chip 11 is formed will cannot be presented according to the demand of user.If the chip optical axis of the LED chip 11 is vertical
In plane of illumination 20, then it will form a circular light spot.Plane of illumination 20 is such as not orthogonal to, then can form a sectored light
Spot, and it is intermediate bright, edge is dark.
The lens 12 are used for the exit path of the emergent light of LED chip 11 described in regulation to form the light that user wants
Spot overlaps with the chip optical axis 111 lens axis 121 set including one, and one intersects with the lens axis 121
Light source sets the exit facet 123 of slot 122 and an emergent light for receiving the light source setting slot 122.It is envisioned that
The lens 12 further include some other functional structures, such as lens installation structure.It should be further noted that at one
In the installation of lamps and lanterns, the particularly lamps and lanterns of effigurate hot spot, installation requires that there are one objects of reference, such as vertical wall
The ground or ceiling of face or level.Therefore, in this application, using a horizontal plane X as reference plane or object of reference, when this
LED lamp using horizontal plane X as reference plane, will can just obtain the certain effects of technical scheme institute regulation when installing
Hot spot.
The lens axis 121 is identical with the function of chip optical axis 111, although a virtual lines,
It is essential in optical design, is also the guiding of optical design.Therefore, the structure of the lens 12 is being illustrated
When, mostly using the lens axis 121 and horizontal plane as reference system, so as to the position of each function element in positioning lens 12
Relation.
It is a face symmetrical structure that the light source, which sets slot 122, with along lens axis 121 and perpendicular to horizontal plane X's
One face is a plane of symmetry, while also using along lens axis 11 and symmetrical as another parallel to another face of horizontal plane X
Face.Therefore, the lens axis 121 sets slot 122, while the lens axis 121 and 111 weight of chip optical axis through the light source
It closes, so that it is determined that the installation position of the LED chip 11.
The exit facet 123 is used to receive the emergent light of the light source setting slot 122, and is emitted this according to design requirement
Direction as defined in light trend of purchasing, to achieve the purpose that be formed specific hot spot.Therefore, the shape of the exit facet 123 determines its light extraction
Direction, but since the light direction structure not only with itself of the exit facet 123 is related, also set with the light source
Slot 122 and the light direction of LED chip 11 are related, therefore will set slot 122 with reference to the exit facet 123, light source below
Structure and LED chip 11 emergent light feature come illustrate the technical solution of the application specific hot spot to be formed shape
Shape.
As shown in Figure 2 and Figure 4, on the section along lens axis 121 and parallel to horizontal plane X, the light source sets slot
122 include a first contour line 124, and the exit facet 123 includes a first exit facet contour line 125.The first profile
124 and first exit facet contour line 125 of line is completed to the emergent light of the LED chip 11 towards 121 direction of lens axis
Convergence so that the LED chip 11 on the direction of horizontal plane X its illumination range narrow.In order to reach the light
Effect is learned, the curvature of the first exit facet contour line 125 is more than the curvature of the first contour line 124.It needs furtherly
Bright, described Fig. 4 should be the top view of Fig. 1.
As shown in Fig. 3 and Fig. 1, along lens axis 122 and on the section of horizontal plane X, the light source sets slot
122 include second contour line 126, and the exit facet 123 includes a second exit facet contour line 127.Second wheel
Profile 126 is completed to the emergent light of the LED chip 11 with the second exit facet contour line 127 towards away from the lens axis
121 diffusion so that the LED chip 11 on the direction of horizontal plane X its illumination range can elongate.In order to reach
To the optical effect, the curvature of the second exit facet contour line 127 is less than the curvature of the first contour line 126.In order to make
The illumination range of the lens 12 becomes longer on the direction parallel to horizontal plane X, along the lens axis 121 and parallel
In on the section of horizontal plane X, the second exit facet contour line 127 is including two sections of curved lines 128 and one by two sections of arcs
The intersection 129 that shape line 128 is crossed to form and intersects with the lens axis 121.The intersection 129 is parallel with horizontal plane X.By institute
Stating the second exit facet contour line 127 includes two sections of curved lines 128, can further increase perpendicular to the direction of horizontal plane X
On illumination range.It is said from optical angle, on the second exit facet contour line 127, the expansion of each segmental arc 128
Scattered angle is all gradually reduced towards the direction away from the intersection 129 so that the light obtained towards the direction away from the intersection 129
Gradually become more, because the place that angle of flare is smaller, for emergent light by the directive place more remote from the lens 12, i.e. angle of flare is small
One side directive described in the one side farthest from the plane of illumination 20 of lens 12, so as to make up since directive is from the lens
12 place farther out and caused by more light attenuation.
Because the emergent light of the LED chip 11 is a hemispherical, and the light source sets slot 122 also to be faced for one
Claim structure, therefore, the exit facet 123 should also be as a face symmetrical structure.Specifically, the exit facet 123 is with the friendship
Line 129 is the plane of symmetry parallel to horizontal plane X with the plane where lens axis 121, while also with perpendicular to the friendship
Line 129 is the plane of symmetry perpendicular to horizontal plane X with the plane where lens axis 121.
The reflex reflector 13 includes a reflecting plate 131.It is envisioned that the reflex reflector 13 not only includes
One reflecting plate 131, centainly further includes other functional structures, such as package assembly or even reflectance coating etc., should be ability
Technology known by field technique personnel, no longer illustrates one by one herein.Only for simple, in the figure of the present embodiment, one is only shown
A tablet.The reflecting plate 131 is parallel to the lens axis 121 and horizontal plane X.The placement location of the reflecting plate 131 determines
Last obtained light spot shape.When installing the LED lamp, should the plane of illumination 20 perpendicular to the reflecting plate
131 and the lens axis 121 and horizontal plane X.According to first, second contour line 124,126 of the lens 12, second,
The position relationship of second exit facet contour line 125,127 and horizontal plane X, you can derive the reflecting plate 131 and the lens
12 position relationship, i.e., described reflecting plate 131 hang down parallel to the 124 and first exit facet contour line 127 of first contour line
Directly in second contour line 125, the second exit facet contour line 127.It, should be with institute meanwhile when assembling the reflecting plate 131
Intersection 129 is stated for boundary and along the lens axis 121 and on the section of horizontal plane X, close to the reflecting plate 131 1
Reflecting plate 131 described in the emergent light directive of second exit facet contour line 127 of side, the reflection light of the reflecting plate 131 with it is described
The light that the emergent light of the second exit facet contour line 127 away from 131 one side of reflecting plate is formed on the plane of illumination 20
Spot overlaps.
The plane of illumination 20 is the position of the LED lamp light distributing system 10 irradiation, can be plane, or
Curved surface.In the present embodiment, only for illustrating the utility model, which is plane.The plane of illumination 20 can
Think in picture to be illuminated in museum and other items or at the supermarket middle refrigerator-freezer and peddle product.When described in installation
During LED lamp light distributing system 10, reflecting plate 131 should be made parallel to horizontal plane X, so as to obtain the irradiation light that user wants
Spot.
Compared with prior art, by exit facet 123 and light source the setting slot 122 to lens 12 perpendicular to level
Face X is with the structure design of the contour line parallel to horizontal plane X both directions and under the action of the reflecting plate 131, this is thoroughly
The hot spot that the emergent light of mirror 12 is formed on plane of illumination 20 will be substantially a rectangular light spots, so as to be user
Specific illuminating effect is provided, to meet the needs of users.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
The spirit of utility model and interior the made all any modification, equivalent and improvement of principle etc., should be included in the utility model
Protection domain it is interior.
Claims (10)
1. a kind of LED lamp light distributing system, it is characterised in that：The lamp distribution system includes a LED chip, a setting
Lens and a reflex reflector being arranged on the light direction of the lens on the light direction of the LED chip,
The LED chip includes a chip optical axis, and the lens include a lens axis set with the chip optical axis coincidence,
One light source intersected with the lens axis sets the exit facet of slot and an emergent light for receiving the light source setting slot,
It is a face symmetrical structure that the light source, which sets slot, on the section along the lens axis and parallel water plane, the light source
Set slot include a first contour line, the exit facet include a first exit facet contour line, the first contour line with
First exit facet contour line is completed to the emergent light of the LED chip towards the convergence close to the lens axis, along described
Mirror optical axis and on the section of horizontal plane, the light source set slot to include second contour line, and the exit facet includes
One the second exit facet contour line, second contour line are completed with the second exit facet contour line to the LED chip
Emergent light includes a reflecting plate towards the diffusion away from the lens axis, the reflex reflector, and the reflecting plate is perpendicular to institute
State the plane that the second contour line and the second exit facet contour line are formed.
2. LED lamp light distributing system as described in claim 1, it is characterised in that：The first exit facet profile curvature of a curve
More than the first profile curvature of a curve.
3. LED lamp light distributing system as described in claim 1, it is characterised in that：The second exit facet profile curvature of a curve
Less than the first profile curvature of a curve.
4. LED lamp light distributing system as described in claim 1, it is characterised in that：Along the lens axis and parallel to water
On the section of plane, the second exit facet contour line include two sections of curved lines and one intersected by two sections of curved lines and
The intersection for being formed and being intersected with the lens axis, the intersection are parallel with horizontal plane.
5. LED lamp light distributing system as claimed in claim 4, it is characterised in that：The lens are with the intersection and lens light
Plane where axis is the plane of symmetry.
6. LED lamp light distributing system as claimed in claim 4, it is characterised in that：The lens with perpendicular to the intersection with
Plane where lens axis is the plane of symmetry.
7. LED lamp light distributing system as claimed in claim 4, it is characterised in that：It, should on the second exit facet contour line
The angle of flare of second exit facet contour line is gradually reduced the direction so that towards the separate intersection towards the direction away from the intersection
The light obtained gradually becomes more.
8. a kind of lighting system, including at least one LED lamp light distributing system as described in any one of claims 1 to 3 and
At least one plane of illumination corresponding with the LED lamp light distributing system respectively, the plane of illumination is perpendicular to the reflecting plate
And the lens axis, on the section along the lens axis and parallel to horizontal plane, the second exit facet contour line bag
Include two sections of curved lines and an intersection for being intersected and being formed by two sections of curved lines, the intersection and the lens axis phase
It hands over, and it is parallel with horizontal plane, it is close using the intersection as boundary and on the section along the lens axis and parallel to horizontal plane
Reflecting plate described in the emergent light directive of second exit facet contour line of the reflecting plate one side, the reflection light of the reflecting plate and institute
State the hot spot coincidence that the emergent light of the second exit facet contour line away from the reflecting plate one side is formed on the plane of illumination.
9. lighting system as claimed in claim 8, it is characterised in that：On the second exit facet contour line, this second goes out
The angle of flare for penetrating facial contour line is gradually reduced towards the direction away from the intersection so as to be obtained towards the direction away from the intersection
Light gradually become it is more.
10. lighting system as claimed in claim 9, it is characterised in that：Lens described in the small one side directive of the angle of flare from
The farthest one side of the plane of illumination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340301.4U CN207455226U (en) | 2017-10-18 | 2017-10-18 | A kind of LED lamp light distributing system and its lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340301.4U CN207455226U (en) | 2017-10-18 | 2017-10-18 | A kind of LED lamp light distributing system and its lighting system |
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| Publication Number | Publication Date |
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| CN207455226U true CN207455226U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721340301.4U Active CN207455226U (en) | 2017-10-18 | 2017-10-18 | A kind of LED lamp light distributing system and its lighting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118316A (en) * | 2019-06-12 | 2019-08-13 | 惠州市西顿光电有限公司 | A kind of wall lamp of distance-light lens combination |
-
2017
- 2017-10-18 CN CN201721340301.4U patent/CN207455226U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118316A (en) * | 2019-06-12 | 2019-08-13 | 惠州市西顿光电有限公司 | A kind of wall lamp of distance-light lens combination |
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