CN207779671U - A kind of double photo paths apparatus and system - Google Patents
A kind of double photo paths apparatus and system Download PDFInfo
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- CN207779671U CN207779671U CN201820214237.3U CN201820214237U CN207779671U CN 207779671 U CN207779671 U CN 207779671U CN 201820214237 U CN201820214237 U CN 201820214237U CN 207779671 U CN207779671 U CN 207779671U
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Abstract
The utility model is related to double photo paths technical fields, specifically disclose a kind of double photo paths device, wherein including：Two light paths and a light source, two light paths share a light source, every light path includes integrating sphere, diaphragm, graticle and image-forming objective lens, it is both provided with incidence hole and light hole on each integrating sphere, the light source is located between the incidence hole of two integrating spheres, the diaphragm in every light path is respectively positioned between the light source and the integrating sphere of the light path, graticle in every light path is both secured in the integrating sphere of the light path, and it is respectively positioned on the focal plane of the image-forming objective lens, image-forming objective lens in every light path are arranged at the light hole of the integrating sphere of the light path.The invention also discloses a kind of double photo paths systems.Double photo paths device provided by the utility model makes the uniform-illumination on graticle and equal, solves the problems, such as graticle uneven illumination in the prior art.
Description
Technical field
The utility model is related to double photo paths technical field more particularly to a kind of double photo paths device and including this pair
The double photo paths system of light path detecting device.
Background technology
Integrating sphere is the hollow spheres that an inner wall is coated with diffusive white reflective material, and also known as luminosity ball, light lead to ball etc., ball wall
On open one or several fenestras, be used as light well and place optical receiver receiver hole.The coating of its inner wall is ideal unrestrained anti-
Material is penetrated, diffusing reflection coefficient passes through the multiple reflections of inside coating into the light in integrating sphere, formed on inner wall close to 1
Uniform illumination, and obey the primary rule of youth.
The parallel light tube used in binocular equipment detection at present is due to the limitation of relationship between bore and objective focal length, most body
Product is huge, and heavy caliber object lens edge image quality is poor, and graticle center is differed with edge illumination.
Therefore, how a kind of detection device of uniform-illumination is provided becomes those skilled in the art's technology urgently to be resolved hurrily and ask
Topic.
Invention content
The utility model aims to solve at least one of the technical problems existing in the prior art, provides a kind of double photo paths
Device and double photo paths system including the double photo paths device, to solve the problems of the prior art.
As the first aspect of the utility model, a kind of double photo paths device is provided, wherein the double photo paths
Device includes：Two light paths and a light source, two light paths share a light source, and every light path includes integral
Ball, diaphragm, graticle and image-forming objective lens are each both provided with incidence hole and light hole on the integrating sphere, and the light source is located at
Between the incidence hole of two integrating spheres, the diaphragm in every light path is respectively positioned on the product of the light source and the light path
Between bulb separation, the graticle in every light path is both secured in the integrating sphere of the light path, and is respectively positioned on the image-forming objective lens
Focal plane on, the image-forming objective lens in every light path are arranged at the light hole of the integrating sphere of the light path, the light source
The light sent out enters after two diaphragm decaying in the integrating sphere of two light paths respectively, each integrating sphere
Inner wall can carry out light diffusing reflection and form the light of uniform illumination so that uniform-illumination on the graticle and equal, each
Corresponding graticle can be imaged to unlimited distance by the image-forming objective lens.
Preferably, the light source includes adjustable stabilized light source.
Preferably, the light source includes two LED light, one of them described LED light can glimmer, described in another
LED light can generate white light, and two LED light are controlled by different power supplys respectively.
Preferably, the diaphragm includes adjustable diaphragm, and the adjustable diaphragm can be controlled by adjusting size described in entrance
The light of integrating sphere.
Preferably, the optical axis of two image-forming objective lens is mutually parallel.
Preferably, the center spacing of two integrating spheres is more than or equal to 72mm.
Preferably, the diameter of the light hole of each integrating sphere is more than or equal to 8mm.
As the second aspect of the utility model, a kind of double photo paths system is provided, wherein the double photo paths
System includes electrical control gear and previously described double photo paths device, and the electrical control gear is examined with the double light path
Device electrical connection is surveyed, the electrical control gear can control the light that the light source in the double photo paths device is sent out.
Preferably, when the light source includes two LED light, the electrical control gear includes two independent power supplys,
Each power supply is connect with one of LED light respectively, and the power supply is used to control the bright of the light that connected LED light is sent out
Degree, two LED light can send out the light of different brightness alone or in combination under the control of two power supplys.
Double photo paths device provided by the utility model, the uniformity of illumination is realized using integrating sphere, so that
Uniform-illumination on graticle and equal, solves the problems, such as graticle uneven illumination in the prior art, in addition this practicality is new
The double photo paths device that type provides uses two integrating spheres, due to the small volume of integrating sphere, can effectively reduce
Equipment volume can make both sides integrating sphere obtain identical illumination due also to using the same light source.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, an and part for constitution instruction, and following
Specific implementation mode be used to explain the utility model together, but do not constitute limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of double photo paths device provided by the utility model.
Fig. 2 is the structural schematic diagram of double photo paths system provided by the utility model.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific implementation mode is only used for describing and explaining the present invention, and is not intended to limit the utility model.
As the first aspect of the utility model, a kind of double photo paths device is provided, wherein as shown in Figure 1, described
Double photo paths device 10 includes：Two light paths and a light source 3, two light paths share a light source 3, every light
Road includes integrating sphere 1, diaphragm 5, graticle 2 and image-forming objective lens 4, and 11 He of incidence hole is both provided on each integrating sphere 1
Light hole 12, the light source 3 are located between the incidence hole 11 of two integrating spheres 1, the 5 equal position of the diaphragm in every light path
Between the light source 3 and the integrating sphere 1 of the light path, the graticle 2 in every light path is both secured to the described of the light path
It in integrating sphere 1, and is respectively positioned on the focal plane of the image-forming objective lens 4, the image-forming objective lens 4 in every light path are arranged at the light path
The integrating sphere 1 light hole 12 at, light that the light source 3 is sent out enters two after two diaphragms 5 are decayed respectively
In the integrating sphere 1 of light path, the inner wall of each integrating sphere 1 can carry out the light that diffusing reflection forms uniform illumination to light
So that uniform-illumination on the graticle 2 and equal, each image-forming objective lens 4 can by corresponding graticle 2 at
As to unlimited distance.
Double photo paths device provided by the utility model, the uniformity of illumination is realized using integrating sphere, so that
Uniform-illumination on graticle and equal, solves the problems, such as graticle uneven illumination in the prior art, in addition this practicality is new
The double photo paths device that type provides uses two integrating spheres, due to the small volume of integrating sphere, can effectively reduce
Equipment volume can make both sides integrating sphere obtain identical illumination due also to using the same light source.
It should be understood that due to using two integrating spheres, double photo paths device provided by the utility model to solve
The problem of edge image quality difference caused by the heavy caliber of parallel light tube.
As specifically embodiment, the light source 3 includes adjustable stabilized light source.
Specifically, the light source 3 is adjustable stabilized light source, can continuously be adjusted within the scope of low-light or each illuminance of white light
Section.
As the specific implementation mode of the light source 3, the light source 3 includes two LED light, one of them described LED light
It can glimmer, another described LED light can generate white light, and two LED light are controlled by different power supplys respectively.
Specifically, the diaphragm 5 includes adjustable diaphragm, and the adjustable diaphragm can be controlled by adjusting size described in entrance
The light of integrating sphere.
It is understood that the diaphragm 5 is adjustable diaphragm, adjustable size enters the light of integrating sphere to control.With light
Source controls illuminance in integrating sphere together.
Preferably, the optical axis of two image-forming objective lens 4 is mutually parallel.
Preferably, the center spacing of two integrating spheres 1 is more than or equal to 72mm.
Preferably, the diameter of the light hole 12 of each integrating sphere 1 is more than or equal to 8mm.
It is understood that the graticle 2 is fixed in integrating sphere 1, it is in the focal plane position of image-forming objective lens 4, with
Image-forming objective lens 4 form outgoing directional light.
Specifically, as shown in Figure 1, double photo paths device 10 provided by the utility model, includes mainly two integrating spheres
1, two pieces of graticles 2, the adjustable diaphragm 5 of image-forming objective lens 4, two of light source 3, two；The light source 3 is located at entering for two integrating spheres 1
Between unthreaded hole, two diaphragms 5 are located between light source 3 and two integrating spheres 1, and two graticles 2 are fixed respectively
In in integrating sphere 1, and on the focal plane of image-forming objective lens 4, described two image-forming objective lens 4 are respectively arranged at 1 light extraction of integrating sphere
At hole；After electrical adjusting, the light that light source 3 is sent out passes through the decaying of two adjustable diaphragms 5 respectively, respectively enters two products
In bulb separation 1, light passes through multiple diffusing reflection in 1 inner wall of integrating sphere, forms uniform illumination everywhere in integrating sphere 1, makes two graduation
Uniform-illumination on plate 2 everywhere and equal, most latter two image-forming objective lens 4 are by the imaging of graticle 2 of two pieces of uniform-illuminations to unlimited
At a distance；The light that light source 3 is sent out can also be adjusted by electrical structure dynamic regulation, diaphragm 5 into the light in integrating sphere 1, institute
It is adjusted jointly by light source 3 and diaphragm 5 with the light in integrating sphere 1, improves degree of regulation, illuminance is 5 × 10-2~103Lx dynamics
In range.
As the second aspect of the utility model, a kind of double photo paths system is provided, wherein as shown in Fig. 2, described
Double photo paths system 100 includes electrical control gear 20 and previously described double photo paths device 10, the electrical control
Device 20 is electrically connected with the double photo paths device 10, and the electrical control gear 20 can control the double photo paths dress
Set the light that the light source in 10 is sent out.
Double photo paths system provided by the utility model, the uniformity of illumination is realized using integrating sphere, so that
Uniform-illumination on graticle and equal, solves the problems, such as graticle uneven illumination in the prior art, in addition this practicality is new
The double photo paths system that type provides uses two integrating spheres, due to the small volume of integrating sphere, can effectively reduce
Equipment volume can make both sides integrating sphere obtain identical illumination due also to using the same light source.
It should be noted that when the light source includes two LED light, the electrical control gear 20 includes two independences
Power supply, each power supply connect with one of LED light respectively, and the power supply is used to control connected LED light and send out
Light brightness, two LED light can send out different brightness alone or in combination under the control of two power supplys
Light.
It is understood that embodiment of above is merely to illustrate that the principles of the present invention and uses exemplary
Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality
With novel protection domain.
Claims (9)
1. a kind of double photo paths device, which is characterized in that the double photo paths device includes：Two light paths and a light
Source, two light paths share a light source, and every light path is including integrating sphere, diaphragm, graticle and image-forming objective lens, often
Incidence hole and light hole are both provided on a integrating sphere, the light source is located between the incidence hole of two integrating spheres,
The diaphragm in every light path is respectively positioned between the light source and the integrating sphere of the light path, the graticle in every light path
It is both secured in the integrating sphere of the light path, and is respectively positioned on the focal plane of the image-forming objective lens, the imaging in every light path
Object lens are arranged at the light hole of the integrating sphere of the light path, and the light that the light source is sent out passes through two diaphragms respectively
Enter in the integrating sphere of two light paths after decaying, the inner wall of each integrating sphere can carry out diffusing reflection to light and be formed
So that uniform-illumination on the graticle and equal, each image-forming objective lens can be by corresponding point for the light of even illumination
Plate is drawn to be imaged to unlimited distance.
2. double photo paths device according to claim 1, which is characterized in that the light source includes adjustable stable light
Source.
3. double photo paths device according to claim 2, which is characterized in that the light source includes two LED light, wherein
One LED light can glimmer, another described LED light can generate white light, and two LED light are respectively by difference
Power supply control.
4. double photo paths device according to claim 1, which is characterized in that the diaphragm includes adjustable diaphragm, described
Adjustable diaphragm can control the light for entering the integrating sphere by adjusting size.
5. double photo paths device according to claim 1, which is characterized in that the optical axis of two image-forming objective lens is mutual
It is parallel.
6. double photo paths device as claimed in any of claims 1 to 5, which is characterized in that two integrals
The center spacing of ball is more than or equal to 72mm.
7. double photo paths device as claimed in any of claims 1 to 5, which is characterized in that each integral
The diameter of the light hole of ball is more than or equal to 8mm.
8. a kind of double photo paths system, which is characterized in that the double photo paths system includes electrical control gear and right
It is required that the double photo paths device described in any one of 1 to 7, the electrical control gear and double photo paths device electricity
Connection, the electrical control gear can control the light that the light source in the double photo paths device is sent out.
9. double photo paths system according to claim 8, which is characterized in that when the light source includes two LED light,
The electrical control gear includes two independent power supplys, and each power supply is connect with one of LED light respectively, the electricity
Source is used to control the brightness for the light that connected LED light is sent out, and two LED light can under the control of two power supplys
The light of different brightness is sent out alone or in combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214237.3U CN207779671U (en) | 2018-02-07 | 2018-02-07 | A kind of double photo paths apparatus and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214237.3U CN207779671U (en) | 2018-02-07 | 2018-02-07 | A kind of double photo paths apparatus and system |
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| CN207779671U true CN207779671U (en) | 2018-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112330605A (en) * | 2020-10-20 | 2021-02-05 | 湖北爱默思智能检测装备有限公司 | Image acquisition system and color grading method for ruby |
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2018
- 2018-02-07 CN CN201820214237.3U patent/CN207779671U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112330605A (en) * | 2020-10-20 | 2021-02-05 | 湖北爱默思智能检测装备有限公司 | Image acquisition system and color grading method for ruby |
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