CN207123663U - A kind of light source optical path system - Google Patents
A kind of light source optical path system Download PDFInfo
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- CN207123663U CN207123663U CN201720987074.8U CN201720987074U CN207123663U CN 207123663 U CN207123663 U CN 207123663U CN 201720987074 U CN201720987074 U CN 201720987074U CN 207123663 U CN207123663 U CN 207123663U
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Abstract
A kind of light source optical path system, including light source assembly and target element, and compound eye component, the first convergent lens, extender lens and the second convergent lens being set parallel to each other successively along optical axis direction between the light source assembly and the target element, distance is adjustable between first convergent lens, the extender lens and/or second convergent lens, and the equivalent lens that first convergent lens, the extender lens and second convergent lens are formed is conjugated with the compound eye component.Implement light source optical path system of the present utility model, the regulation lens subassembly formed by using two convergent lenses and an extender lens, position and the focal length of lens subassembly can be changed simply by adjusting the distance between convergent lens and extender lens, and then will can be converged to by the multi beam directional light of compound eye component on target element, so as to formed light quantity uniformly more distribution and the adjustable hot spot of size.
Description
Technical field
Optical field is the utility model is related to, more specifically to a kind of light source optical path system.
Background technology
In existing fluorescence excitation light source light path system, mainly laser is controlled by controlling the diffusion angle of diffusion sheet
The size of hot spot.However, this mode can not form bright equally distributed hot spot, and spot size can not be adjusted
Section.Therefore, during fluorescence excitation, cause the launching efficiency of excitation source relatively low.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided one kind can produce
Third contact of a total solar or lunar eclipse amount is uniformly distributed and the light source optical path system of the hot spot of size adjustable.
Technical scheme is used by the utility model solves its technical problem:A kind of light source optical path system is constructed, including
Light source assembly and target element, and answered between the light source assembly and the target element along what optical axis direction was set gradually
Eye component and regulation lens subassembly, it is described regulation lens subassembly focal length and position it is adjustable and with the compound eye component conjugation set
Put.
In light source optical path system described in the utility model, the regulation lens subassembly includes setting successively along optical axis direction
The first convergent lens, extender lens and the second convergent lens put, first convergent lens are set adjacent to the compound eye component,
Second convergent lens is set adjacent to the target element, first convergent lens, the extender lens and/or described
The distance between two convergent lenses are adjustable.
In light source optical path system described in the utility model, first convergent lens is plano-concave lens, the plano-concave
The concave surface of lens is towards the compound eye component, and the plane of the plano-concave lens is towards the extender lens.
In light source optical path system described in the utility model, second convergent lens is plano-concave lens, the plano-concave
The concave surface of lens is towards the extender lens, and the plane of the plano-concave lens is towards the target element.
In light source optical path system described in the utility model, the light source assembly includes laser light source module.
In light source optical path system described in the utility model, the target element includes fluorescent component or diffusing reflection group
Part.
In light source optical path system described in the utility model, the compound eye component includes setting parallel to the light source assembly
The middle position of light source assembly described in the compound eye poly-lens being combined into as several lens units or face put and parallel to described
The compound eye simple lens that light source assembly is set.
Another technical scheme that the utility model solves the use of its technical problem is to construct a kind of light source optical path system, bag
Light source assembly and target element are included, and is put down each other successively along optical axis direction between the light source assembly and the target element
Compound eye component, the first convergent lens, extender lens and the second convergent lens that row is set, first convergent lens, the expansion
Distance is adjustable between beam lens and/or second convergent lens, and first convergent lens, the extender lens and institute
The equivalent lens and the compound eye component for stating the second convergent lens composition are conjugated;The compound eye component is included parallel to the light source
The middle position of light source assembly described in the compound eye poly-lens being combined into as several lens units or face that component is set and parallel
In the compound eye simple lens that the light source assembly is set;The light source assembly includes laser light source module, and the target element includes
Fluorescent component or diffusing reflection component.
Implement light source optical path system of the present utility model, by setting the adjustable regulation of compound eye component and focal length and position saturating
Mirror assembly, the equally distributed hot spot of light quantity can be formed on target element, and spot size can be adjusted.Further,
The regulation lens subassembly formed by using two convergent lenses and an extender lens, it can be assembled simply by regulation saturating
The distance between mirror and extender lens change position and the focal length of lens subassembly, and then can put down the multi beam by compound eye component
Row light is converged on target element, so as to formed light quantity uniformly more distribution and the adjustable hot spot of size.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the first embodiment of light source optical path system of the present utility model;
Fig. 2 is the structural representation of the second embodiment of light source optical path system of the present utility model;
Fig. 3 is the structural representation of the preferred embodiment of the regulation lens subassembly of light source optical path system of the present utility model;
Fig. 4 is the structural representation of the 3rd embodiment of light source optical path system of the present utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
The utility model constructs a kind of light source optical path system, including light source assembly and target element, and in the light
The compound eye component that is set gradually between source component and the target element along optical axis direction, the first convergent lens, extender lens and
Second convergent lens.Distance is adjustable between first convergent lens, the extender lens and/or second convergent lens,
The distance between i.e. described first convergent lens and the extender lens, between the first convergent lens and second convergent lens
Distance, second convergent lens and the extender lens or, the first convergent lens, the extender lens and described second
Distance is adjustable between convergent lens.The compound eye component, first convergent lens, the extender lens and described second are assembled
Lens conjugation is set.By simply adjusting the distance between first convergent lens and described extender lens, will can lead to
The multi beam directional light for crossing compound eye component is converged on target element, so as to formed light quantity uniformly more distribution and the adjustable light of size
Spot.
Fig. 1 is the structural representation of the first embodiment of light source optical path system of the present utility model.As shown in figure 1, this reality
Include light source assembly 10 and target element 40 with new light source optical path system, and in the light source assembly 10 and the target
The compound eye component 20 and regulation lens subassembly 30 set gradually between component 40 along optical axis direction.As shown in figure 1, the light source group
Part 10, compound eye component 20, regulation lens subassembly 30 and target element 40 are parallel to each other, and the compound eye component 20 and the regulation
The conjugation of lens subassembly 30 is set.In the present embodiment, the focal length of the regulation lens subassembly 30 and position are adjustable.
In preferred embodiment of the present utility model, the light source assembly 10 can be laser assembly or its
He can send the light source assembly of any collimated light beam.
In the present embodiment, the compound eye component 20 is the compound eye simple lens that single lens unit is formed, and it is arranged on institute
The middle position of light source assembly 10 is stated, to receive collimated light beam from light source assembly 10.The collimated light beam is passing through compound eye component 20
Convergent beam caused by after assembling will enter the regulation lens subassembly 30.
In preferred embodiment of the present utility model, the regulation lens subassembly 30 can be any position and focus adjustable
Lens subassembly, such as it can be made up of several convergent lenses and extender lens.It is preferable to carry out at one of the present utility model
In example, the regulation lens subassembly 30 includes two convergent lenses and an extender lens, can poly- diffusion-convergence so as to form
Structure.In another preferred embodiment of the present utility model, the regulation lens subassembly 30 can include two convergent lenses and
Two extender lenses, can poly- diffusion-diffusion-convergent geometry so as to form.In other preferred embodiments of the present utility model,
The convergent lens and extender lens of varying number can also be included.By adjusting the distance between convergent lens and extender lens,
The position of the regulation lens subassembly 30 and focal length can be adjusted.And by changing the regulation lens subassembly 30
Position and focal length, the convergent beam that can cause into lens subassembly 30 become collimated light beam injection, and these collimated light beams
Size it is adjustable, and then the hot spot consistent with the shape of the compound eye simple lens is formed on target devices 40.
In preferred embodiment of the present utility model, the target element 40 can be fluorescent device.So, uniformly it is and big
Small adjustable hot spot can be converged in fluorescent device, so as to form fluorescence excitation, and then realize that uniform light spots excite and most
Good spot size adjustment, and then improve the launching efficiency of light source.In another preferred embodiment of the present utility model, the target
Component 40 can be diffusing reflection component, so go for laser speckle system.It is preferable to carry out in of the present utility model other
In example, the target element 40 can also be any required and receive uniform and the adjustable hot spot of size target devices.
Therefore, light source optical path system of the present utility model is implemented, by setting compound eye component and focal length and position adjustable
Lens subassembly is adjusted, the equally distributed hot spot of light quantity can be formed on target element, and spot size can be adjusted.
Fig. 2 is the structural representation of the second embodiment of light source optical path system of the present utility model.As shown in Fig. 2 this reality
Include light source assembly 10 and target element 40 with new light source optical path system, and in the light source assembly 10 and the target
The compound eye component 20 and regulation lens subassembly 30 set gradually between component 40 along optical axis direction.As shown in Fig. 2 the light source group
Part 10, compound eye component 20, regulation lens subassembly 30 and target element 40 are parallel to each other, and the compound eye component 20 and the regulation
The conjugation of lens subassembly 30 is set.In the present embodiment, the focal length of the regulation lens subassembly 30 and position are adjustable.
In preferred embodiment of the present utility model, the light source assembly 10 can be laser assembly or its
He can send the light source assembly of any collimated light beam.
In the present embodiment, the compound eye component 20 is by several lens units parallel to the light source assembly 10 setting
The 21 compound eye poly-lenses being combined into.The each group collimated light beam that light source assembly 10 is sent respectively enters each lens unit 21, is passing through
Cross after each lens unit 21 is assembled and produce multigroup convergent beam.Each group light beam will respectively enter the regulation lens subassembly
30。
In preferred embodiment of the present utility model, the regulation lens subassembly 30 can be any position and focus adjustable
Lens subassembly, such as it can be made up of several convergent lenses and extender lens.It is preferable to carry out at one of the present utility model
In example, the regulation lens subassembly 30 includes two convergent lenses and an extender lens, can poly- diffusion-convergence so as to form
Structure.In another preferred embodiment of the present utility model, the regulation lens subassembly 30 can include two convergent lenses and
Two extender lenses, can poly- diffusion-diffusion-convergent geometry so as to form.In other preferred embodiments of the present utility model,
The convergent lens and extender lens of varying number can also be included.By adjusting the distance between convergent lens and extender lens,
The position of the regulation lens subassembly 30 and focal length can be adjusted.And by changing the regulation lens subassembly 30
Position and focal length, each group convergent beam that can to enter the regulation lens subassembly 30 project institute with different deflection angles
State regulation lens subassembly 30.And these project the light beam of the regulation lens subassembly 30 most at last according to each with different deflection angles
The position of individual lens unit 21 finally forms hot spot corresponding with single lens unit on target devices 40.
In preferred embodiment of the present utility model, the target element 40 can be fluorescent device.So, uniformly it is and big
Small adjustable hot spot can be converged in fluorescent device, so as to form fluorescence excitation, and then realize that uniform light spots excite and most
Good spot size adjustment, and then improve the launching efficiency of light source.In another preferred embodiment of the present utility model, the target
Component 40 can be diffusing reflection component, so go for laser speckle system.It is preferable to carry out in of the present utility model other
In example, the target element 40 can also be any required and receive uniform and the adjustable hot spot of size target devices.
Therefore, light source optical path system of the present utility model is implemented, by setting compound eye component and focal length and position adjustable
Lens subassembly is adjusted, the equally distributed hot spot of light quantity can be formed on target element, and spot size can be adjusted.
Fig. 3 is the structural representation of the preferred embodiment of the regulation lens subassembly of light source optical path system of the present utility model.
As shown in figure 3, the regulation lens subassembly 30 includes the first convergent lens 31, the extender lens 32 set gradually along optical axis direction
With the second convergent lens 33.As shown in figure 3, first convergent lens 31 is set adjacent to the compound eye component 20, described second
Convergent lens 33 is set adjacent to the target element 40.The distance between described first convergent lens 31 and the extender lens 32
It is adjustable, by adjusting the distance between the first convergent lens 31 and the extender lens 32, the regulation lens group can be adjusted
The position of part 30 and focal length.In other preferred embodiments of the present utility model, the He of extender lens 32 can also be arranged to
Distance before second convergent lens 33 is adjustable, thus can be by adjusting second convergent lens 33 and the extender lens
The distance between 32, to adjust the position of the regulation lens subassembly 30 and focal length.Another it is preferable to carry out of the present utility model
In example, the distance between the first convergent lens 31 and the second convergent lens 33 are adjustable, therefore can be by adjusting first meeting
The distance between poly- convergent lens 33 of lens 31 and second come adjust it is described regulation lens subassembly 30 position and focal length.In this reality
With in new further embodiment, first convergent lens 31, the three of 32 and second convergent lens of extender lens 33 it
Between distance it is adjustable, therefore can be by adjusting first convergent lens 31, the convergent lens 33 of extender lens 32 and second
The distance between three come adjust it is described regulation lens subassembly 30 position and focal length.Those skilled in the art can pass through observation
The hot spot formed on target element 40 carrys out basis and is actually needed selection distance accordingly.
As shown in figure 3, in a preferred embodiment of the present utility model, first convergent lens 31 is that plano-concave is saturating
Mirror, the concave surface of the plano-concave lens is towards the compound eye component 20, and the plane of the plano-concave lens is towards the extender lens 32.
Second convergent lens 33 is plano-concave lens, and the concave surface of the plano-concave lens is towards the extender lens, the plano-concave lens
Plane towards the target element 40.In other preferred embodiments of the present utility model, the He of the first convergent lens 31
Second convergent lens 33 can also be other convergent lenses, such as biconvex mirror, concave-convex lens etc..As shown in figure 3, at this
In one preferred embodiment of utility model, the extender lens 32 is biconcave mirror.It is preferable to carry out in of the present utility model other
In example, the extender lens 32 can also be Galileo beam expanding lens or Kepler's beam expanding lens.
Those skilled in the art know, for first convergent lens 31, the convergent lens 33 of extender lens 32 and second
Focal length and distance can according to reality situation be selected.Convergence common on the market and extender lens can be used,
By observing the hot spot formed on target element 40 the distance of selection therebetween is actually needed come basis.
Fig. 4 is the structural representation of the 3rd embodiment of light source optical path system of the present utility model.As shown in figure 4, this reality
Include light source assembly 10 and target element 40 with new light source optical path system, and in the light source assembly 10 and the target
Compound eye component 20, the first convergent lens 31, the and of extender lens 32 being set parallel to each other successively along optical axis direction between component 40
Second convergent lens 33.
In preferred embodiment of the present utility model, the light source assembly 10 can be laser assembly or its
He can send the light source assembly of any collimated light beam.
In the present embodiment, the compound eye component 20 is by several lens units parallel to the light source assembly 10 setting
The 21 compound eye poly-lenses being combined into.The each group collimated light beam that light source assembly 10 is sent respectively enters each lens unit 21, is passing through
Cross after each lens unit 21 is assembled and produce multigroup light beam.Each group light beam will respectively enter first convergent lens 31.
In the present embodiment, the distance between first convergent lens 31, described extender lens 32 are adjustable, and its structure
Into equivalent lens be conjugated with the compound eye component 20.As shown in figure 4, first convergent lens 31 is plano-concave lens, it is described
The concave surface of plano-concave lens is towards the compound eye component 20, and the plane of the plano-concave lens is towards the extender lens 32.Described
Two convergent lenses 33 are plano-concave lens, and the concave surface of the plano-concave lens is towards the extender lens, the plane of the plano-concave lens
Towards the target element 40.
As shown in figure 4, each group light beam for respectively enteing first convergent lens 31 is passing through the meeting of the first convergent lens 31
After poly-, into extender lens 32, and after being expanded through extender lens 32, multigroup collimated light beam is formed.Multigroup collimated light beam with
Enter second convergent lens 33 afterwards, so as to project the after second convergent lens 33 convergence with different deflection angles
Two convergent lenses 33, and these light beams most at last according to each lens unit 21 position finally on target devices 40 formed with
Hot spot corresponding to single lens unit 21.
By adjusting the distance between first convergent lens 31, described extender lens 32, you can be formed to it
The focal length and position for imitating lens are adjusted, so as to obtain the uniform light spots of desired size.Those skilled in the art know, for
First convergent lens 31, the focal length of the convergent lens 33 of extender lens 32 and second and distance can be according to the situations of reality
Selected.Convergence common on the market and extender lens can be used, by observing the hot spot formed on target element 40
Carry out the distance selected therebetween according to being actually needed.
In preferred embodiment of the present utility model, the target element 40 can be fluorescent device.So, uniformly it is and big
Small adjustable hot spot can be converged in fluorescent device, so as to form fluorescence excitation, and then realize that uniform light spots excite and most
Good spot size adjustment, and then improve the launching efficiency of light source.In another preferred embodiment of the present utility model, the target
Component 40 can be diffusing reflection component, so go for laser speckle system.It is preferable to carry out in of the present utility model other
In example, the target element 40 can also be any required and receive uniform and the adjustable hot spot of size target devices.
Implement light source optical path system of the present utility model, formed by using two convergent lenses and an extender lens
Lens subassembly is adjusted, the position of lens subassembly can be changed simply by adjusting the distance between convergent lens and extender lens
And focal length, and then will can be converged to by the multi beam directional light of compound eye component on target element, so as to form light quantity uniformly more
Bonus point cloth and the adjustable hot spot of size.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
- A kind of 1. light source optical path system, it is characterised in that including light source assembly and target element, and in the light source assembly and The compound eye component and regulation lens subassembly set gradually between the target element along optical axis direction, the regulation lens subassembly Focal length and position it is adjustable and with the compound eye component be conjugated set.
- 2. light source optical path system according to claim 1, it is characterised in that the regulation lens subassembly is included along optical axis side To the first convergent lens, extender lens and the second convergent lens set gradually, first convergent lens is adjacent to the compound eye Component is set, and second convergent lens is set adjacent to the target element, first convergent lens, the extender lens And/or the distance between described second convergent lens is adjustable.
- 3. light source optical path system according to claim 2, it is characterised in that first convergent lens is plano-concave lens, The concave surface of the plano-concave lens is towards the compound eye component, and the plane of the plano-concave lens is towards the extender lens.
- 4. light source optical path system according to claim 2, it is characterised in that second convergent lens is plano-concave lens, The concave surface of the plano-concave lens is towards the extender lens, and the plane of the plano-concave lens is towards the target element.
- 5. according to light source optical path system described in any one in claim 1-4, it is characterised in that the light source assembly includes swashing Radiant component.
- 6. according to light source optical path system described in any one in claim 1-4, it is characterised in that the target element includes glimmering Optical assembly or diffusing reflection component.
- 7. according to light source optical path system described in any one in claim 1-4, it is characterised in that the compound eye component includes flat Row is in light source assembly described in the compound eye poly-lens being combined into as several lens units or face that the light source assembly is set Entreat position and the compound eye simple lens set parallel to the light source assembly.
- A kind of 8. light source optical path system, it is characterised in that including light source assembly and target element, and in the light source assembly and The compound eye component that is set parallel to each other successively along optical axis direction between the target element, the first convergent lens, extender lens and Second convergent lens, distance is adjustable between first convergent lens, the extender lens and/or second convergent lens, And the equivalent lens that first convergent lens, the extender lens and second convergent lens are formed and the compound eye group Part is conjugated;How saturating the compound eye component is including the compound eye being combined into by several lens units set parallel to the light source assembly The middle position of light source assembly described in mirror or face and the compound eye simple lens set parallel to the light source assembly;The light source group Part includes laser light source module, and the target element includes fluorescent component or diffusing reflection component.
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Cited By (4)
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CN110045507A (en) * | 2019-05-10 | 2019-07-23 | 深圳市光鉴科技有限公司 | A kind of straight-down negative optical projection system and optical projecting method |
CN111258163A (en) * | 2020-03-19 | 2020-06-09 | 无锡视美乐激光显示科技有限公司 | Light source device, light path structure design method and projection system |
CN111381381A (en) * | 2018-12-29 | 2020-07-07 | 上海联泰科技股份有限公司 | Optical system, optical system using method and 3D printing equipment |
CN112445051A (en) * | 2019-08-30 | 2021-03-05 | 中强光电股份有限公司 | Lens module and projection device |
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- 2017-08-09 CN CN201720987074.8U patent/CN207123663U/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111381381A (en) * | 2018-12-29 | 2020-07-07 | 上海联泰科技股份有限公司 | Optical system, optical system using method and 3D printing equipment |
CN110045507A (en) * | 2019-05-10 | 2019-07-23 | 深圳市光鉴科技有限公司 | A kind of straight-down negative optical projection system and optical projecting method |
CN112445051A (en) * | 2019-08-30 | 2021-03-05 | 中强光电股份有限公司 | Lens module and projection device |
CN111258163A (en) * | 2020-03-19 | 2020-06-09 | 无锡视美乐激光显示科技有限公司 | Light source device, light path structure design method and projection system |
CN111258163B (en) * | 2020-03-19 | 2021-04-13 | 无锡视美乐激光显示科技有限公司 | Light source device, light path structure design method and projection system |
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