CN106501946A - Optical lens module - Google Patents
Optical lens module Download PDFInfo
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- CN106501946A CN106501946A CN201710018339.8A CN201710018339A CN106501946A CN 106501946 A CN106501946 A CN 106501946A CN 201710018339 A CN201710018339 A CN 201710018339A CN 106501946 A CN106501946 A CN 106501946A
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- face
- optical
- lenses
- optical lenses
- optical lens
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
Abstract
Optical lens module, including optical lenses, optical lenses are in round table-like, and each optical lenses include that the first face, the second face and taper seat, the area in the first face are less than the area in the second face；First face and the second face are transparent surface, and taper seat is reflecting surface；The quantity at least two of optical lenses, each optical lenses arranged in co-axial alignment；Adjacent optical lenses are divided into front-end optical lens and back-end optical lens, and the second face of front-end optical lens is relative with the first face of back-end optical lens；First face of first face of front-end optical lens more than back-end optical lens, and the second face of no more than back-end optical lens.The present invention optical lens module be a kind of using point light source of single generate various dimensions, multi-level ring light target optical lens module.
Description
Technical field
The present invention relates to optics field, in particular to a kind of optical lens module.
Background technology
The method for more easily obtaining the uniform ring-shaped light spot of energy at present is that good with the depth of parallelism, energy concentration point swashs
Light hot spot is got on the reflection axicon lens of alloy material or glass material, obtains ring-shaped light spot using the direct reflection of reflection axicon lens.
Because the ring-shaped light spot energy that obtains is uniform, line directly spend, width is thin and consistent, so in building, fitting up, packing etc. and need to indicate
The industry of class is used widely.But be currently needed for various dimensions, multi-level laser marker, single loop laser sign without
Method meets demand.
Content of the invention
In view of this, the invention aims to overcoming deficiency of the prior art, there is provided one kind can utilize single-point light
Source generates various dimensions, multi-level ring light target optical lens module.
For solving the above problems, the solution that the present invention is provided is as follows：
Optical lens module, including optical lenses, in round table-like, each optical lenses include the to the optical lenses
Simultaneously, the second face and taper seat, the area in first face are less than the area in second face；
First face and second face are transparent surface, and the taper seat is reflecting surface；
The quantity at least two of the optical lenses, each optical lenses arranged in co-axial alignment；
The adjacent optical lenses are divided into front-end optical lens and back-end optical lens, the institute of the front-end optical lens
State the second face relative with first face of the back-end optical lens；
First face of first face of the front-end optical lens more than the back-end optical lens, and be not more than
Second face of the back-end optical lens.
Light is injected from first face of front-end optical lens of optical lens module, is projected by the second face, while from the light that holds greatly
The taper seat reflection commutation for learning lens is projected, and the light projected by the second face of front-end optical lens is delivered to the of back-end optical lens
Simultaneously, each optical lenses can send the hot spot of annular, so as to obtain multi-level annular cursor.
In the exemplary embodiment, the taper seat of each optical lenses is 45 ° with the angle in second face.
Taper seat ensure that with 45 ° of angles in the second face, the luminous energy that injects perpendicular to the first face or the second face level to
Launch and go out, preferably, the directivity of light is more preferable for reflective function.
In the exemplary embodiment, the distance between each described optical lenses are adjustable.
The distance between optical lenses are adjustable, and the gap of the ring of light being as layered is adjustable such that it is able to meet different levels
The luminous demand of spacing.
In the exemplary embodiment, also include in cone shape Conical Lenses, the taper seat of the Conical Lenses is reflection
Face；
The taper seat of the Conical Lenses and described the of the optical lenses located at the optical lens module end
Two faces are relative；
First face of the bottom surface of the Conical Lenses not less than the optical lenses corresponding thereto.
The addition of Conical Lenses causes the light in optical lens module to appear in circular, does not appear in end face,
So as to obtain multi-level annular cursor.
In the exemplary embodiment, the circular cone of reflectance coating or the Conical Lenses is coated with the taper seat of the Conical Lenses
Face is metallic mirror surface.
Reflectance coating is coated with the taper seat of Conical Lenses and causes which regardless of base material, be respectively provided with preferable reflection characteristic,
Shedding for reflected light is increased, light loss of energy in reflection process is reduced.
Using metal material as the material of Conical Lenses, and Conical Lenses are added by plating or the mode such as mirror finish
Work goes out metallic mirror surface, and the luminous energy for entering metal inside is less, and it is more to reflect luminous energy.
In the exemplary embodiment, each optical lenses are made up of metal material, the circle of each optical lenses
The conical surface is metallic mirror surface, and coaxial is provided with through hole.
Using the structure of hollow optical lenses so that light is directly appeared, reduce when light is transmitted in lens by reflecting,
The decay of the energy that refraction etc. is caused.
In the exemplary embodiment, each optical lenses are made of clear material, the circle of each optical lenses
Reflectance coating is coated with the conical surface.
Reflectance coating is coated with the taper seat of Conical Lenses and causes which regardless of base material, be respectively provided with preferable reflection characteristic,
Shedding for reflected light is increased, light loss of energy in reflection process is reduced.
In the exemplary embodiment, it is coated with first face and second face of each optical lenses anti-reflection
Film.
First face and the second face are provided with anti-reflection film so that light appears effect more preferably, increased light transmittance, reduces light
Loss that can be in communication process.
In the exemplary embodiment, coaxial on each optical lenses through hole is provided with.
Using the structure of hollow optical lenses so that light is directly appeared, reduce when light is transmitted in lens by reflecting,
The decay of the energy that refraction etc. is caused.
In the exemplary embodiment, the cross-sectional area of the through hole on each optical lenses and each optics
The cross-sectional area in first face of lens is identical.
Farthest reduce the use of lens material, while farthest ensureing transmittance, reduce optical energy loss.
The optical lens module of the present invention adopts at least two optical lenses, by foundation size between optical lenses
Coaxial stacked arrangement, using the taper seat characteristic of optical lenses taper seat so that the light that penetrates thereon is reflected in circular
Come, with the time by the optical lenses transmission to the back-end of the plane of front-end optical lens, and penetrate in the taper seat of back-end optical lens
On, and reflected in the form of annulus and gone out.So to Posterior circle, it is that one kind can utilize point light source of single to generate various dimensions, multi-level
Ring light target optical lens module.
For enabling the above objects, features and advantages of the present invention to become apparent from and understandable, preferred embodiment cited below particularly, and match somebody with somebody
Accompanying drawing appended by closing, is described below in detail.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by to be used attached needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the structural representation of the optical lens module provided by embodiment of the present invention first embodiment；
Fig. 2 shows the structural representation of the first optical lenses that embodiment of the present invention first embodiment is provided；
Fig. 3 shows the structural representation of the optical lens module provided by embodiment of the present invention second embodiment；
Fig. 4 shows the structural representation of the first optical lenses that embodiment of the present invention second embodiment is provided.
Main element symbol description：
1- optical lens modules；The first optical lenses of 11-；The second optical lenses of 12-；The 3rd optical lenses of 13-；14- justifies
Axicon lens.
Specific embodiment
For the ease of understanding the present invention, optical lens module is described more fully below with reference to relevant drawings.
The preferred embodiment of optical lens module is given in accompanying drawing.But, optical lens module can be by many different forms
To realize, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to optical lens group
The disclosure of part is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Conversely, when element be referred to as " directly existing " another element " on " when,
There is no intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.Term used in the description in optical lens module is intended merely to herein
The purpose of description specific embodiment, it is not intended that limit the present invention.Term as used herein " and/or " include one or many
The arbitrary and all of combination of individual related Listed Items.
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is elaborated.
Embodiment 1
Fig. 1 and Fig. 2 is seen also, optical lens module 1, including at least two optical lenses.Optical lenses are in round platform
Shape, each optical lenses include that the first face, the second face and taper seat, the area in the first face are less than the area in the second face.First face
It is transparent surface with the second face, taper seat is reflecting surface.
The size of each optical lenses is different, and optical lenses are according to size arranged in co-axial alignment.Before adjacent optical lenses include
End optical lenses and back-end optical lens, the second face of front-end optical lens are relative with the first face of back-end optical lens.Front end
First face of first face of optical lenses more than back-end optical lens, and the second face of no more than back-end optical lens.
Above-mentioned, at least two optical lenses arranged in co-axial alignment of optical lenses two.Direction of injecting according to light is divided into front end light
Learn lens and back lens.The optical lenses that light is first injected are front lens, after inject for back lens.Inject front-end optical
A light part for lens is shed in annulus after reflection, and a part is delivered on back-end optical lens, and the optical lenses of rear end are same
Light being shed in annular shape of reason.Various dimensions, multi-level ring-type cursor is obtained so as to reach using some hot spots.
It is appreciated that front-end optical lens and back-end optical lens is a kind of saying of the order that injects relative to light,
And it is not specific to a certain optical lenses.
Light source in the present embodiment is laser, and laser is through obtaining various dimensions, multi-level ring-type after optical lens module 1
Laser-marking.Laser has extremely strong directional lighting characteristic, and the divergence of the light velocity is minimum, only about 0.001 radian, near
Parallel.The brightness of laser is high simultaneously.
In the present embodiment, optical lens module 1 includes that three optical lenses, three optical lenses are respectively the first optical lens
Mirror 11, the second optical lenses 12 and the 3rd optical lenses 13.First optical lenses 11, the second optical lenses 12 and the 3rd optical lens
Mirror 13 is coaxially arranged in order, and 11 size of the first optical lenses is maximum, and the second optical lenses 12,13 size of the 3rd optical lenses are successively
Reduce.Second face of the first optical lenses 11 is relative with the first face of the second optical lenses 12, and the second of the second optical lenses 12
Face is relative with the first face of the 3rd optical lenses 13.
Above-mentioned, the first face refers to that the little face of each optical lenses, the second face refer to that the big face of each optical lenses, taper seat refer to every
The taper seat of one optical lenses.
First optical lenses 11 are front-end optical lens relative to the second optical lenses 12 and the 3rd optical lenses 13.Second
Optical lenses 12 are back-end optical lens relative to the first optical lenses 11, are that front-end optical is saturating relative to the 3rd optical lenses 13
Mirror.3rd optical lenses 13 are back-end optical lens relative to the first optical lenses 11 and the second optical lenses 12.
In the present embodiment, the first optical lenses 11, the second optical lenses 12 and the 3rd optical lenses 13 are highly equal
Round platform, the taper seat of each optical lenses is metallic mirror surface, and the angle in taper seat and the second face is 45 °.
In the present embodiment, the second face area equation of the first face of the first optical lenses 11 and the second optical lenses 12, the
First face of two optical lenses 12 and the second face area equation of the 3rd optical lenses 13.
In the present embodiment, the through hole that is equipped with each optical lenses on the through hole being coaxial therewith, and each optical lenses
Cross-sectional area and the first face area equation.It is appreciated that the first face entire surface printing opacity of the first optical lenses 11, the first light
Learn the second face local of lens 11, i.e., equal with the first face size local transparent.First face of the second optical lenses 12
Entire surface printing opacity, the second face local of the second optical lenses 12, i.e., equal with the first face size local transparent.3rd light
The first face entire surface printing opacity of lens 13 is learned, the second face local of the 3rd optical lenses 13 is that is, equal with the first face size
Local transparent.
Each optical lenses adopt hollow structure so that light is directly appeared, and is reduced when light is transmitted in lens by anti-
The decay or loss of the energy for causing such as penetrate, reflect.
The material of each optical lenses is made up of lighttight metal material.Pass through on the taper seat of optical lenses or electricity
The mode such as plating or mirror finish causes taper seat metallic mirror surface, improves the reflectance of taper seat.
Incident illumination is injected from 11 end of the first optical lenses of optical lens module 1 perpendicular to the first face.Incident illumination is beaten
On the taper seat of one optical lenses 11, and taper seat angle at 45 °, through the reflection of the taper seat of speculum planar, reflected light
To project in 90 ° of angles with incident illumination, i.e., project in the horizontal direction.Due to the circular nature of taper seat, the reflection that reflects thereon
Injection of the light in annular shape, so that form ring-shaped light spot.Meanwhile, incident illumination through the first optical lenses 11 the second face transmit to
First face of the second optical lenses 12 and the taper seat of the second optical lenses 12.
Inject in the first face of the light appeared from the first face of the first optical lenses 11 vertically from the second optical lenses 12.Enter
Penetrate light to beat on the taper seat of the second optical lenses 12, and taper seat angle at 45 °, through speculum planar taper seat anti-
Penetrate, reflected light is projected in the horizontal direction with being projected in 90 ° of angles with incident illumination.Due to the circular nature of taper seat, thereon instead
Injection of the reflected light that penetrates in annular shape, so that form ring-shaped light spot.Meanwhile, incident illumination through the second optical lenses 12 second
Transmit the taper seat of the first face to the 3rd optical lenses 13 and the 3rd optical lenses 13 in face.
Inject in the first face of the light appeared from the first face of the second optical lenses 12 vertically from the 3rd optical lenses 13.Enter
Penetrate light to beat on the taper seat of the 3rd optical lenses 13, and taper seat angle at 45 °, through speculum planar taper seat anti-
Penetrate, reflected light is projected in the horizontal direction with being projected in 90 ° of angles with incident illumination.Due to the circular nature of taper seat, thereon instead
Injection of the reflected light that penetrates in annular shape, so that form ring-shaped light spot.Meanwhile, incident illumination through the 3rd optical lenses 13 second
Face appears.
In the present embodiment, optical lens module 1 also includes Conical Lenses 14, and Conical Lenses 14 are in coniform, Conical Lenses
14 taper seat is reflecting surface.The taper seat of Conical Lenses 14 is same metallic mirror surface, with excellent reflectivity.Conical Lenses
Angle at 45 ° between 14 taper seat and baseplane.The base area of Conical Lenses 14 and the first face of the 3rd optical lenses 13
Area equation.
The two ends of optical lens module 1 are respectively the first face of the first optical lenses 11 and the second of the 3rd optical lenses 13
Face.The taper seat of Conical Lenses 14 is relative with the second face of the optical lenses located at 1 end of optical lens module, i.e. Conical Lenses
14 taper seat is relative with the second face of the 3rd optical lenses 13.
Inject in the first face of the light appeared from the first face of the second optical lenses 12 vertically from the 3rd optical lenses 13.Enter
Penetrate light to beat on the taper seat of the 3rd optical lenses 13, and taper seat angle at 45 °, through speculum planar taper seat anti-
Penetrate, reflected light is projected in the horizontal direction with being projected in 90 ° of angles with incident illumination.Due to the circular nature of taper seat, thereon instead
Injection of the reflected light that penetrates in annular shape, so that form ring-shaped light spot.Due to the taper seat of Conical Lenses 14 light tight, and because
The area equation in the first face of bottom surface and the 3rd optical lenses 13 for Conical Lenses 14, so without light from Conical Lenses 14
Project bottom surface.Thus, incident illumination is saturating through the first optical lenses 11, the second optical lenses 12, the 3rd optical lenses 13 and circular cone
The ring of light defining four layerings after mirror 14, being spatially distributed is transmitted and is gone out.
The distance between each optical lenses and Conical Lenses 14 scalable, the gap of the ring of light being as layered is adjustable, from
And disclosure satisfy that the luminous demand of different levels spacing.
In the present embodiment, there is certain gap between the first optical lenses 11 and the second optical lenses 12, from the first optics
The ring of light reflected on lens 11 and the second optical lenses 12 has certain gap.Second optical lenses 12 and the 3rd optical lenses
13 connect, and the ring of light reflected from the second optical lenses 12 and the 3rd optical lenses 13 connects, and define the bigger light of width
Ring.There is certain gap between Conical Lenses 14 and the 3rd optical lenses 13, from Conical Lenses 14 and the 3rd optical lenses 13
The ring of light for reflecting has certain gap.
In other embodiments, other arrangements can also be adopted between each optical lenses and Conical Lenses 14,
The quantity of optical lenses is also not necessarily three, can also be 2,4 etc..
Embodiment 2
Fig. 3 and Fig. 4 is seen also, the present embodiment is that with the difference of embodiment 1 optical lens module 1 includes first
Optical lenses 11, the second optical lenses 12 and Conical Lenses 14, and each lens is by transparent material systems such as glass or optical plastics
Into.The wavelength of the light applied is plated on the taper seat of the first optical lenses 11, the second optical lenses 12 and Conical Lenses 14
The film that is all-trans.First optical lenses 11 and 12 respective first face of the second optical lenses and the second face, i.e., plate in respective plane
There is anti-reflection film.
One layer refractive index thin film higher than matrix material is plated on optical surfaces, and be as all-trans film, can increase optics table
The reflectance in face.Anti-reflection film then with the film that is all-trans conversely, plate the thin film of one layer of refractive index less than matrix material on optical surfaces, i.e.,
For anti-reflection film, the reflectance of optical surface can be reduced.
There is certain gap between first optical lenses 11 and the second optical lenses 12, the second optical lenses 12 and circular cone are saturating
There is certain gap between mirror 14.
As the first optical lenses 11, the second optical lenses 12 and Conical Lenses 14 are by transparent materials such as glass or optical plastics
Material is made.Thus its lap in addition to the taper seat of each lens is transparent surface.In the present embodiment, the first optical lenses
11 and second optical lenses 12 be solid lens, that is, be not provided with through hole.The height of the first optical lenses 11 is the second optical lenses
The twice of 12 height.So as to the length of the taper seat of the second optical lenses 12 is 11 taper seat length of the first optical lenses two
Times, thus the width of the ring of light that reflects of the second optical lenses 12 is the twice of the width of 11 ring of light of the first optical lenses.
In another embodiment, through hole is carried by the optical lenses that the transparent materials such as glass or optical plastic are made, in being
Empty lens.
Through the light of the first optical lenses 11, the second optical lenses 12 and Conical Lenses 14, become for three space delaminations
The ring of light of distribution.
The optical lens module of the present invention has the advantages that：
The optical lens module of the present invention adopts at least two optical lenses, by foundation size between optical lenses
Coaxial stacked arrangement, using the taper seat characteristic of optical lenses taper seat so that the light that penetrates thereon is reflected into circular
Come, with the time by the optical lenses transmission to the back-end of the plane of front-end optical lens, and penetrate in the taper seat of back-end optical lens
On, the form of another annulus reflects and goes out.So to Posterior circle, it is that one kind can utilize point light source of single to generate various dimensions, multi-level
Ring light target optical lens module.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, and not
It is that therefore, other examples of exemplary embodiment can have different values as restriction.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then in subsequent accompanying drawing which further need not be defined and be explained.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore limitation of the scope of the invention can not be interpreted as.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection model of the present invention
Enclose.Therefore, protection scope of the present invention should be defined by claims.
Claims (10)
1. optical lens module, including optical lenses, the optical lenses are in round table-like, it is characterised in that
Each optical lenses include that the first face, the second face and taper seat, the area in first face are less than second face
Area；
First face and second face are transparent surface, and the taper seat is reflecting surface；
The quantity at least two of the optical lenses, each optical lenses arranged in co-axial alignment；
The adjacent optical lenses are divided into front-end optical lens and back-end optical lens, and described the of the front-end optical lens
Two faces are relative with first face of the back-end optical lens；
First face of first face of the front-end optical lens more than the back-end optical lens, and be not more than described
Second face of back-end optical lens.
2. optical lens module according to claim 1, it is characterised in that the taper seat of each optical lenses
Angle with second face is 45 °.
3. optical lens module according to claim 1, it is characterised in that the distance between each described optical lenses can
Adjust.
4. optical lens module according to claim 1, it is characterised in that also include in cone shape Conical Lenses, institute
The taper seat for stating Conical Lenses is reflecting surface；
The taper seat of the Conical Lenses and second face of the optical lenses located at the optical lens module end
Relative；
First face of the bottom surface of the Conical Lenses not less than the optical lenses corresponding thereto.
5. optical lens module according to claim 4, it is characterised in that be coated with the taper seat of the Conical Lenses anti-
The taper seat for penetrating film or the Conical Lenses is metallic mirror surface.
6. optical lens module according to claim 1, it is characterised in that each optical lenses are by metal material system
Taper seat into, each optical lenses is metallic mirror surface, and coaxial is provided with through hole.
7. optical lens module according to claim 1, it is characterised in that each optical lenses are by transparent material system
Into being coated with reflectance coating on the taper seat of each optical lenses.
8. optical lens module according to claim 1, it is characterised in that first face of each optical lenses
Anti-reflection film is coated with second face.
9. optical lens module according to claim 8, it is characterised in that coaxial on each optical lenses be provided with
Through hole.
10. the optical lens module according to claim 6 or 9, it is characterised in that described on each optical lenses
The cross-sectional area of through hole is identical with the cross-sectional area in first face of each optical lenses.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710018339.8A CN106501946B (en) | 2017-01-10 | 2017-01-10 | Optical lens assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710018339.8A CN106501946B (en) | 2017-01-10 | 2017-01-10 | Optical lens assembly |
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| CN106501946B CN106501946B (en) | 2023-02-14 |
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| CN106501946B (en) | 2023-02-14 |
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