CN105588077B - Optical lens and projecting lamp - Google Patents
Optical lens and projecting lamp Download PDFInfo
- Publication number
- CN105588077B CN105588077B CN201610052750.2A CN201610052750A CN105588077B CN 105588077 B CN105588077 B CN 105588077B CN 201610052750 A CN201610052750 A CN 201610052750A CN 105588077 B CN105588077 B CN 105588077B
- Authority
- CN
- China
- Prior art keywords
- light
- emitting component
- guide module
- optical lens
- light guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
Abstract
The disclosure is directed to optical lenses and projecting lamp.The optical lens includes: light guide module；Wherein, the light guide module has the central channel to accommodate each light-emitting component close to the side of light-emitting component, and the groove face of the central channel is incidence surface；There is the serrated step of at least two concentric circles on the groove face of the central channel on position corresponding with each light-emitting component respectively, wherein the center of circle of the serrated step is upright projection point of the center of corresponding light-emitting component on the groove face；Side of the light guide module far from the light-emitting component includes horizontal light-emitting surface.In the technical solution, by the leaded light of the serrated step of the concentric circles on the incidence surface of light guide module, the light beam Relatively centralized that light-emitting component can be made to launch, and center light intensity can be reduced, enhance luminous intensity in peripheral region, so that illumination is more evenly.
Description
Technical field
This disclosure relates to Smart Home technical field more particularly to optical lens and projecting lamp.
Background technique
Light emitting diode (Light Emitting Diode, LED) is that one kind can convert electrical energy into consolidating for visible light
The semiconductor devices of state, it can directly be converted electricity to light.Since LED has small in size, low in energy consumption, long service life, color
A variety of advantages such as warm multiplicity and environmental protection, gradually replace fluorescent lamp and incandescent lamp, become forth generation lighting source.
For the service efficiency and luminous efficiency for enhancing LED light, a LED lens can be increased.LED lens closely join with LED
It is tied, the optical field distribution that lens change LED can be used.The light guide module of current LED lens is close to LED lamp bead
There is a concave surface in side, can be dispersed around the light immediately below LED light face by concave surface, increases the light of peripheral regions in this way
Intensity, and the luminous intensity of central area is reduced, improve uniform illumination degree.
Summary of the invention
The embodiment of the present disclosure provides optical lens and projecting lamp.The technical solution is as follows:
According to the first aspect of the embodiments of the present disclosure, a kind of optical lens is provided, it may include: light guide module；Wherein,
The light guide module has the central channel to accommodate each light-emitting component close to the side of light-emitting component, and it is described in
The groove face of heart slot is incidence surface；
There is the saw of at least two concentric circles on the groove face of the central channel on position corresponding with each light-emitting component respectively
Tooth step, wherein the center of circle of the serrated step is upright projection of the center of corresponding light-emitting component on the groove face
Point；
Side of the light guide module far from the light-emitting component includes horizontal light-emitting surface.
As it can be seen that passing through the sawtooth platform of concentric circles there are two the serrated step of multiple concentric circles on the incidence surface of light guide module
The leaded light of rank, the light beam Relatively centralized that light-emitting component can be made to launch, and center light intensity can be reduced, enhance peripheral region
Interior luminous intensity, so that illumination is more evenly.
In one embodiment, the center of the center line of the central channel and each light-emitting component is in same plane
On.
Due to central channel center line and each light-emitting component center in the same plane, in this way, central channel can close
In the central symmetry of light-emitting component, so that optical lens is relatively beautiful, and manufacture fairly simple.
In one embodiment, the optical lens further include: the locating module being connect with the light guide module；Wherein,
The locating module with the lamp plate equipped with each light-emitting component to connect.
As it can be seen that may make optical lens that can be used cooperatively with light-emitting component by locating module, and can group together with lamp plate
At projecting lamp.
In one embodiment, there are two the locating modules, positioned at the both ends of the light guide module, the first locating module
On have at least one threaded locating hole, buckled on the second locating module, by the threaded locating hole and it is described buckle with it is described
Lamp plate connection.
In this way, being buckled by one end, threaded one end location hole is connect with lamp plate, so that connection is more flexible, and easily adjusts,
It can ensure that the center of circle of serrated step can be on the center line of light guide module.
In one embodiment, the material of the light guide module includes: polycarbonate.
In this way, can manufacture optical lens using Shooting Technique, production efficiency is relatively high.
In one embodiment, the light guide module directly transmits the first light of each light-emitting component transmitting,
In, the angle between the light of first light and the corresponding light-emitting component vertically downward is 0 degree.
As it can be seen that the central ray of light-emitting component transmitting can be projected directly from optical lens, it is ensured that the intensity of center light.
In one embodiment, the inclined-plane of the serrated step of the first concentric circles is corresponding luminous member in the light guide module
The refracting interface of second light of part transmitting, so that second light is refracted into the light guide module by corresponding inclined-plane
Afterwards, it is reflected from the light-emitting surface of the light guide module, wherein second light and the corresponding light-emitting component are vertically downward
Light between angle be greater than 0 degree, and less than or equal to the first set angle.
As it can be seen that the leaded light on the inclined-plane by the serrated step of the first concentric circles, may make that light-emitting component emits in
The light of the heart can diffuse to surrounding, reduce center light intensity.
In one embodiment, first set angle is according to the Media density and the serrated step of the light guide module
Tilt angle determine.
As it can be seen that different application scenarios can correspond to the tilt angle of different serrated steps, thus, determine corresponding first
Set angle, in this way, the degree for reducing center light intensity can be further determined that, increasing improves optical field distribution according to application scenarios
Flexibility.
In one embodiment, the inclined-plane of the serrated step of the second concentric circles is corresponding luminous member in the light guide module
The refracting interface of the third light of part transmitting, so that the third light is refracted into the guide-lighting mould by corresponding inclined-plane
Block, and by the side of the light guide module total reflection after, reflected from the light-emitting surface, wherein the third light with it is corresponding
Light-emitting component light vertically downward between angle be greater than the first setting degree, and less than or equal to the second set angle.
As it can be seen that the leaded light of the side by the inclined-plane and light guide module of the serrated step of the second concentric circles, may make hair
The deep light of optical element transmitting can collapse in the region that need to be irradiated, so that optical path Relatively centralized.
In one embodiment, second set angle is determined according to the light-emitting area of the light-emitting component.
As it can be seen that the second different set angles can be determined according to the difference of light-emitting component, further determines that and collapse optically focused intensity
Degree, increase according to application scenarios improve optical field distribution flexibility.
According to the second aspect of an embodiment of the present disclosure, a kind of projecting lamp is provided, it may include:
Lamp plate；
At least one light-emitting component being mounted on the lamp plate；
The optical lens being connect with the lamp plate, wherein the optical lens is for example above-mentioned.
As it can be seen that the serrated step in projecting lamp on the incidence surface of the light guide module of optical lens there are two multiple concentric circles,
By the leaded light of the serrated step of concentric circles, the light beam Relatively centralized that light-emitting component is launched in projecting lamp, and energy can be made
Center light intensity is reduced, enhances luminous intensity in peripheral region, so that illumination is more evenly.
The technical scheme provided by this disclosed embodiment can include the following benefits:
Serrated step in above-mentioned technical proposal in optical lens on the incidence surface of light guide module there are two multiple concentric circles,
By the leaded light of the serrated step of concentric circles, the light beam Relatively centralized that light-emitting component can be made to launch, and center can be reduced
Luminous intensity enhances luminous intensity in peripheral region, so that illumination is more evenly.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of structural schematic diagram of optical lens shown according to an exemplary embodiment.
Fig. 2 is a kind of cross-sectional structure schematic diagram of projecting lamp shown according to an exemplary embodiment.
Fig. 3 is the light path schematic diagram of the first light shown according to an exemplary embodiment.
Fig. 4 is the light path schematic diagram of the second light shown according to an exemplary embodiment.
Fig. 5 is the light path schematic diagram of third light shown according to an exemplary embodiment.
Fig. 6 is a kind of structural schematic diagram of the shaft section of projecting lamp shown according to an exemplary embodiment.
Fig. 7 is the schematic diagram of the illuminance of projecting lamp shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
In the technical solution that the embodiment of the present disclosure provides, there are two multiple on the incidence surface of the central channel of optical lens
The serrated step of concentric circles can make light-emitting component in projecting lamp launch by the leaded light of the serrated step of concentric circles
Light beam Relatively centralized, and center light intensity can be reduced, enhance luminous intensity in peripheral region, so that illumination is more evenly.
Fig. 1 is a kind of structural schematic diagram of optical lens shown according to an exemplary embodiment, as shown in Figure 1, optics
Lens include: light guide module 1000.
Wherein, light guide module 1000 has the central channel to accommodate each light-emitting component close to the side of light-emitting component
1100, and the groove face 1110 of central channel 1100 is incidence surface.
There are at least two concentric circles respectively on position corresponding with each light-emitting component on the groove face 1110 of central channel 1100
Serrated step 1111, wherein the center of circle of serrated step 1111 be corresponding light-emitting component center it is vertical on groove face
Subpoint.
Side of the light guide module 1000 far from light-emitting component includes horizontal light-emitting surface.
As it can be seen that passing through the sawtooth platform of concentric circles there are two the serrated step of multiple concentric circles on the incidence surface of light guide module
The leaded light of rank, the light beam Relatively centralized that light-emitting component can be made to launch, and center light intensity can be reduced, enhance peripheral region
Interior luminous intensity, so that illumination is more evenly.
Since optical lens generally links together with light emitting elements close, two kinds with the use of can form a projection
Lamp, and optical lens can be connect with the lamp plate equipped with each light-emitting component, form projecting lamp.Therefore, the embodiment of the present disclosure
Middle optical lens further include: the locating module being connect with light guide module；Wherein, locating module to be equipped with each light-emitting component
Lamp plate connection.As described in Figure 1, optical lens includes: light guide module 1000 and the locating module that connect with light guide module 1000
2000.And locating module 2000 with the lamp plate equipped with each light-emitting component to connect.
Certainly, optical lens can be connect with the lamp plate equipped with each light-emitting component, form projecting lamp, therefore, this public affairs
It opens embodiment and also discloses a kind of projecting lamp.
Fig. 2 is a kind of cross-sectional structure schematic diagram of projecting lamp shown according to an exemplary embodiment.Such as Fig. 2, this public affairs
It opens in embodiment, projecting lamp includes: lamp plate 210, at least one light-emitting component 220 being mounted on lamp plate 210 and and lamp plate
The optical lens 230 of 210 connections.
Wherein, the locating module in optical lens 230 can be connect with lamp plate 210.Optical lens in the embodiment of the present disclosure
The specific structure of mirror 230 can be as shown in Figure 1.That is optical lens can include: light guide module and the positioning mould being connect with light guide module
Block；Wherein, light guide module has the central channel to accommodate each light-emitting component, and the slot of central channel close to the side of light-emitting component
Face is incidence surface；There is the sawtooth of at least two concentric circles on the groove face of central channel on position corresponding with each light-emitting component respectively
Step, wherein the center of circle of serrated step is upright projection point of the center of corresponding light-emitting component on groove face；Light guide module
Side far from light-emitting component includes horizontal light-emitting surface；Locating module with the lamp plate equipped with each light-emitting component to connect.
In the embodiment of the present disclosure, when projecting lamp is linear projecting lamp, i.e., the light-emitting component in projecting lamp on lamp plate is in
Linear array, the center of each light-emitting component point-blank, since optical lens and light-emitting component are used cooperatively,
The center line of the central channel of the light guide module of optical lens can be with the center of each light-emitting component in the same plane.In in this way,
Heart slot so that optical lens is relatively beautiful, and can manufacture fairly simple about the central symmetry of light-emitting component.
Since central channel is to accommodate light-emitting component, width, depth and the light-emitting component size of central channel, and
The light-emitting area of light-emitting component is corresponding.And the length of central channel is then related to the number for the light-emitting component being equipped on lamp plate.Lamp
Only one light-emitting component on plate, then central channel is shorter, and when having a plurality of light-emitting elements on lamp plate, then central channel is long.
In the embodiments of the present disclosure, locating module and light guide module can be integrated molding, or other solid
Fixed connection.Locating module can enable optical lens in projecting lamp
By one or both of threaded locating hole, OK a karaoke club mode locating module can be connect with lamp plate.Such as: it is fixed
There are two position modules, is located at the both ends of light guide module, there is at least one threaded locating hole on the first locating module, and second is fixed
Also there is at least one threaded locating hole in the module of position, to connect by threaded locating hole with lamp plate, alternatively, the first locating module
On have at least one threaded locating hole, buckle on the second locating module, connect by threaded locating hole and buckle with lamp plate.
Wherein, it after locating module is connect by threaded locating hole and buckle with lamp plate, so that connection is more flexible, and easily adjusts
It is whole, it can be ensured that the center of circle of serrated step can be on the center line of light guide module.Therefore, as shown in Figure 1, locating module 2000 can wrap
Include threaded locating hole 2100 and buckle 2200.And threaded locating hole 2100 can be one, two or more, and threaded locating hole
2100 are located at the both ends of locating module with buckle 2200.
In the embodiment of the present disclosure, the light-emitting component that is used cooperatively with optical lens can with forth generation light source, such as: LED or
Laser light source element.And the material of optical lens be also possible to it is diversified, such as: silica-gel lens, poly-methyl methacrylate
Ester lens, polycarbonate (Polycarbonate, PC) lens or glass lens.Wherein, since note can be used in polycarbonate
Modeling technique is integrally formed optical lens, in this way, the process of production optical lens is fairly simple, also, production efficiency compares
It is high.
Due to the serrated step on the incidence surface of light guide module there are two multiple concentric circles, pass through the serrated step of concentric circles
Leaded light, the optical field distribution of light-emitting component can be improved, the light beam Relatively centralized that light-emitting component can be made to launch, and capable of dropping
Low center light intensity enhances luminous intensity in peripheral region, so that illumination is more evenly.
Also, central channel can accommodate each light-emitting component, and the light beam of light-emitting component is using the center of light-emitting component as starting point
Circle diverging, and have the saw of at least two concentric circles on the groove face of central channel on position corresponding with each light-emitting component respectively
Tooth step therefore can be by taking the corresponding serrated step of a light-emitting component as an example, to describe serrated step to light-emitting component light
The improvement of field distribution.
Fig. 3 is the light path schematic diagram of the first light shown according to an exemplary embodiment.As shown in figure 3, optical lens
Shaft section partial enlargement, comprising: light-emitting component 220, optical lens 230, the serrated step 1111 and the first light of concentric circles
310.Wherein, the angle between the light of the first light 310 and light-emitting component vertically downward is 0 degree, i.e. the first light 310 is hair
The light of optical element vertically downward.First light 310 irradiates vertically downward, can from optical lens corresponding concentric circles sawtooth
The center of circle of step 1111 from the light-emitting surface of optical lens light guiding module vertically into and being vertically pierced by.
Therefore, light guide module directly transmits the first light of each light-emitting component transmitting, in this way, in light-emitting component transmitting
Heart light can be projected directly from optical lens, it is ensured that the intensity of center light.
Fig. 4 is the light path schematic diagram of the second light shown according to an exemplary embodiment.As shown in figure 4, optical lens
Shaft section partial enlargement, comprising: light-emitting component 220, optical lens 230, the serrated step 1111 and the second light of concentric circles
410.Angle between the light of second light 410 and corresponding light-emitting component vertically downward is θ, and in light guide module first with one heart
The inclined-plane of round serrated step 1111 and the angle of horizontal plane, the i.e. inclination angle of serrated step are Φ.In this way, the second light 410
After being irradiated to the inclined-plane of serrated step 1111 of the first concentric circles, after being refracted into light guide module by corresponding inclined-plane, from leading
The light-emitting surface of optical module reflects.Due to, the inclination angle of serrated step is Φ, and the light-emitting surface of light guide module is horizontal plane, because
This, the angle of the second light and vertical plane that are reflected from the light-emitting surface of light guide module not instead of θ, θ+κ Φ, wherein κ
It is related to the refractive index of optical lens, i.e., with the Media density of light guide module.As it can be seen that the second light by after optical lens to week
Enclose diverging.
Therefore, the second light that the inclined-plane of the serrated step of the first concentric circles emits in light guide module for corresponding light-emitting component
The refracting interface of line, so that after the second light is refracted into light guide module by corresponding inclined-plane, from the light-emitting surface of light guide module
It reflects.In this way, the leaded light on the inclined-plane by the serrated step of the first concentric circles, the close center that may make light-emitting component to emit
Light can diffuse to surrounding, reduce center light intensity.
After second light is irradiated to the inclined-plane of the serrated step of the first concentric circles, leaded light is refracted by corresponding inclined-plane
After module, it may be refracted to the light-emitting surface of light guide module, or the side of light guide module may be refracted to, the size of this and θ
It is related, the side of light guide module may be refracted to when θ is larger, therefore, θ need to be less than certain angle, be here the first setting
Angle.Angle between the light of second light and corresponding light-emitting component vertically downward is greater than 0 degree, and sets less than or equal to first
Determine angle.That is θ is greater than 0 degree, and is less than or equal to α.
In one embodiment, the first set angle is true according to the Media density of light guide module and the tilt angle of serrated step
It is fixed.Specifically, with the size of the inclination angle Φ of serrated step, the Media density of light guide module and the size of central channel are related.
Therefore, after the Media density of light guide module, the size of central channel and the inclination angle Φ determination of serrated step, then can determine
First set angle α.
Of course, it is possible to the first set angle α can also be determined according to application scenarios, it is then, guide-lighting according to the first set angle α
The Media density of module and the size of central channel, to determine that the inclination angle of serrated step is Φ.Such as: application scenarios need to lean on
Paracentral light can significantly diffuse to surrounding, then the inclination angle Φ of serrated step can be designed it is bigger a bit, then the
One set angle α can also become more larger.
Fig. 5 is the light path schematic diagram of third light shown according to an exemplary embodiment.As shown in figure 5, optical lens
Shaft section partial enlargement, comprising: light-emitting component 220, optical lens 230, the serrated step 1111 and third light of concentric circles
510.Angle between the light of third light 510 and corresponding light-emitting component vertically downward is γ, and second same in light guide module
The inclined-plane of the serrated step 1111 of heart circle and the angle of horizontal plane, the i.e. inclination angle of serrated step are Φ.In this way, third light
After 510 are irradiated to the inclined-plane of serrated step 1111 of the second concentric circles, after being refracted into light guide module by corresponding inclined-plane, penetrate
To the side of light guide module, since γ is larger, at this point, the side in light guide module is totally reflected, the light of total reflection from
The light-emitting surface of optical lens reflects.In this way, the optical path of third light is changed, so that the light dissipated originally to surrounding
Gather to center.
Therefore, the third light that the inclined-plane of the serrated step of the second concentric circles emits in light guide module for corresponding light-emitting component
The refracting interface of line, so that third light is refracted into light guide module by corresponding inclined-plane, and complete by the side of light guide module
It after reflection, is reflected from light-emitting surface, wherein the angle between the light of the second light and corresponding light-emitting component vertically downward is big
In the first setting degree, and it is less than or equal to the second set angle.As it can be seen that the inclined-plane of the serrated step by the second concentric circles, and
The leaded light of the side of light guide module, the deep light that may make light-emitting component to emit can collapse the region that need to be irradiated
It is interior, so that optical path Relatively centralized.
In one embodiment, the second set angle is determined according to the light-emitting area of light-emitting component.Second set angle is β, then
γ is greater than the first set angle α, is less than or equal to the second set angle β.In this way, determining different according to the difference of light-emitting component
Two set angles further determine that the degree for collapsing optically focused intensity, increase the flexibility for improving optical field distribution according to application scenarios.
In the embodiment of the present disclosure, the serrated step of the serrated step of the first concentric circles and the second concentric circles can be same
Serrated step, it is also possible to be different serrated step.May there are one, two or more first in the central channel of optical lens
The serrated step of concentric circles, it is of course also possible to have the serrated step of one, two or more second concentric circles.Each concentric circles
Serrated step inclination angle may be it is the same, can also be according to application scenarios to optical field distribution requirement, the size of central channel is big
The difference of small and light-emitting component power etc. and it is different.
Following specific embodiments for projecting lamp.In the present embodiment, the light-emitting area of light-emitting component LED, LED determine hair
Angular is 110 °, and therefore, the second set angle β is 55 °.The material of optical lens is PC, according to the central channel ruler of optical lens
Very little, the Media density of light guide module and the tilt angle of serrated step can determine that the first set angle α is 40 °.
Fig. 6 is a kind of structural schematic diagram of the shaft section of projecting lamp shown according to an exemplary embodiment.Such as Fig. 6 institute
Show, comprising: lamp plate 210, LED220 and optical lens 230.
Wherein, the angle between the light of the first light and corresponding light-emitting component vertically downward is 0 °, i.e. center point
It sets beam orthogonal to be aimed downwardly, this region area is small.
Angle between the light of second light and corresponding light-emitting component vertically downward is greater than 0 °, and is less than or equal to 40 °,
At this point, the inclined-plane of the serrated step of the first concentric circles is the refraction of the second light of corresponding light-emitting component transmitting in light guide module
Interface, so that being reflected after the second light is refracted into light guide module by corresponding inclined-plane from the light-emitting surface of light guide module.It can
See, 0 ° to 40 ° range inner light beam first passes through inner cavity air refraction and enters lens, is then reflected and is issued by lens.It is thus possible to make
Surrounding is diffused to relatively by paracentral light beam, to reduce center brightness.
Angle between the light of third light and corresponding light-emitting component vertically downward is greater than 40 °, and is less than or equal to
55 °, at this point, the inclined-plane of the serrated step of the second concentric circles is the third light of corresponding light-emitting component transmitting in light guide module
Refracting interface, so that third light is refracted into light guide module by corresponding inclined-plane, and is totally reflected by the side of light guide module
Afterwards, it is reflected from light-emitting surface.As it can be seen that the light beam within the scope of 40 ° to 55 ° is first refracted into lens, then issued by total reflection.
It is received it is thus possible to script is located in the light beam of periphery, thus by illuminating area control in limited using area.
The illuminance of projecting lamp in the present embodiment is tested, can be determined at the center immediately below projecting lamp
The position illuminance of point 30cm has clear improvement.
Fig. 7 is the schematic diagram of the illuminance of projecting lamp shown according to an exemplary embodiment.As shown in fig. 7, sector is
Centered on immediately below projecting lamp, using 0.3m as the light area of radius, data therein are the illuminance value of each point.According to light
Illumination Value Data can be determined by the way that after optical lens light guiding, the uniformity of illuminance in LED light irradiation area is less than 2 (1104/
610=1.8), in this way, it is possible to prevente effectively from the phenomenon of light and shade unevenness, alleviates visual fatigue.
Therefore, in the present embodiment, due to the saw on the incidence surface of the light guide module of optical lens there are two multiple concentric circles
Tooth step, by the leaded light of the serrated step of concentric circles, can with, make optical path Relatively centralized, can will be other than effective irradiation area
Light collapse to needing in the region irradiated, avoid light source waste；Also, center light intensity can also be reduced, around enhancing
Luminous intensity in region makes illumination more evenly；The phenomenon that white space light is weaker between lamp bead and lamp bead can also be compensated for, it can be with
Avoid hot spot.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (9)
1. a kind of optical lens characterized by comprising light guide module；Wherein,
The light guide module has the central channel to accommodate each light-emitting component, and the central channel close to the side of light-emitting component
Groove face be incidence surface；
There is the sawtooth platform of at least two concentric circles on the groove face of the central channel on position corresponding with each light-emitting component respectively
Rank, wherein the center of circle of the serrated step is upright projection point of the center of corresponding light-emitting component on the groove face；
Side of the light guide module far from the light-emitting component includes horizontal light-emitting surface；
The inclined-plane of the serrated step of the first concentric circles is the second light of corresponding light-emitting component transmitting in the light guide module
Refracting interface, so that after second light is refracted into the light guide module by corresponding inclined-plane, from the light guide module
Light-emitting surface reflect, wherein the angle between the light of second light and the corresponding light-emitting component vertically downward
Greater than 0 degree, and it is less than or equal to the first set angle；
The inclined-plane of the serrated step of the second concentric circles is the third light of corresponding light-emitting component transmitting in the light guide module
Refracting interface, so that the third light is refracted into the light guide module by corresponding inclined-plane, and by the light guide module
Side total reflection after, reflected from the light-emitting surface, wherein the third light it is vertical with the corresponding light-emitting component to
Under light between angle be greater than the first set angle, and be less than or equal to the second set angle.
2. optical lens as described in claim 1, which is characterized in that the center line of the central channel and each luminous member
The center of part is in the same plane.
3. optical lens as claimed in claim 1 or 2, which is characterized in that further include: the positioning being connect with the light guide module
Module；Wherein,
The locating module with the lamp plate equipped with each light-emitting component to connect.
4. optical lens as claimed in claim 3, which is characterized in that there are two the locating modules, is located at the guide-lighting mould
There is at least one threaded locating hole at the both ends of block on the first locating module, has buckle on the second locating module, pass through the screw thread
Location hole and the buckle are connect with the lamp plate.
5. optical lens as described in claim 1, which is characterized in that the material of the light guide module includes: polycarbonate
(PC)。
6. optical lens as claimed in claim 1 or 2, which is characterized in that the light guide module directly transmits each hair
First light of optical element transmitting, wherein between the light of first light and the corresponding light-emitting component vertically downward
Angle be 0 degree.
7. optical lens as described in claim 1, which is characterized in that first set angle is according to Jie of the light guide module
Matter density and the tilt angle of the serrated step determine.
8. optical lens as described in claim 1, which is characterized in that second set angle is according to the hair of the light-emitting component
Light area determines.
9. a kind of projecting lamp characterized by comprising
Lamp plate；
At least one light-emitting component being mounted on the lamp plate；
The optical lens being connect with the lamp plate, wherein the optical lens such as any claim institute in claim 1-8
It states.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052750.2A CN105588077B (en) | 2016-01-26 | 2016-01-26 | Optical lens and projecting lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052750.2A CN105588077B (en) | 2016-01-26 | 2016-01-26 | Optical lens and projecting lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105588077A CN105588077A (en) | 2016-05-18 |
| CN105588077B true CN105588077B (en) | 2019-05-21 |
Family
ID=55927858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610052750.2A Active CN105588077B (en) | 2016-01-26 | 2016-01-26 | Optical lens and projecting lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105588077B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201401725Y (en) * | 2009-04-08 | 2010-02-10 | 一品国际科技股份有限公司 | Fresnel LED (light-emitting diode) lens and LED component comprised thereby |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956950B (en) * | 2009-07-15 | 2012-09-05 | 颖台科技股份有限公司 | Optical thin plate and manufacture method thereof as well as backlight module |
| EP2343578A1 (en) * | 2009-12-23 | 2011-07-13 | José Vicente Garcia Ortiz | A fresnel-type lens |
| CN103423701A (en) * | 2012-05-25 | 2013-12-04 | 惠州元晖光电股份有限公司 | Compound curved lens for LED (light-emitting diode) projection lamp |
| EP3060843B1 (en) * | 2013-10-24 | 2017-06-28 | Philips Lighting Holding B.V. | Optical configurations with two or more micro structured films |
-
2016
- 2016-01-26 CN CN201610052750.2A patent/CN105588077B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201401725Y (en) * | 2009-04-08 | 2010-02-10 | 一品国际科技股份有限公司 | Fresnel LED (light-emitting diode) lens and LED component comprised thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105588077A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105556374B (en) | For generating the optical system of Uniform Illumination | |
| JP5415539B2 (en) | Compact optical system for producing uniform collimated light | |
| US10422943B2 (en) | Luminaire with light guide | |
| KR200479892Y1 (en) | Illumination device with maximized condensing effect | |
| JP5779096B2 (en) | Lighting system, lighting fixture, collimator, and display device | |
| US20210356725A1 (en) | Total internal reflection lens to improve color mixing of an led light source | |
| CN104456418A (en) | Faceted LED street lamp lens | |
| JP2016085826A (en) | Vehicular lighting fixture | |
| JP2017524244A (en) | LED lens for backlight unit | |
| US20160299288A1 (en) | Light Mixing Systems With A Glass Light Pipe | |
| EP2721656B1 (en) | Led light source | |
| KR101287023B1 (en) | Diffusion lens for illumination and back light | |
| CN107614964B (en) | Light flux controlling member, light emitting device, and lighting device | |
| EP3273144B1 (en) | Led spotlight | |
| JP2018530130A (en) | Lighting system and method for generating light output | |
| CN107293631A (en) | Light emitting diode | |
| TW201523033A (en) | Omnidirectional light emitting diode lens | |
| CN103511935A (en) | Lighting device | |
| WO2014020475A1 (en) | Fresnel type lens for lighting applications | |
| JP4173313B2 (en) | Backlight device and backlight generation method | |
| CN106062465A (en) | Light source apparatus and lighting apparatus | |
| CN109027968A (en) | One kind going out photosystem | |
| CN105588077B (en) | Optical lens and projecting lamp | |
| KR101053951B1 (en) | Icicle type light adjustment lens for LED lighting device | |
| JP6618074B2 (en) | Light emitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100085 Huarun Qingcai Street 68, Haidian District, Beijing, two stage, 9 floor, 01 rooms. Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Patentee after: Qingdao Yilai Intelligent Technology Co.,Ltd. Address before: 100085 Huarun Qingcai Street 68, Haidian District, Beijing, two stage, 9 floor, 01 rooms. Patentee before: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Patentee before: Qingdao Yeelink Information Technology Co.,Ltd. |