CN103616754B - The binocular head that multiplying power is constant - Google Patents
The binocular head that multiplying power is constant Download PDFInfo
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- CN103616754B CN103616754B CN201310696699.5A CN201310696699A CN103616754B CN 103616754 B CN103616754 B CN 103616754B CN 201310696699 A CN201310696699 A CN 201310696699A CN 103616754 B CN103616754 B CN 103616754B
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- fixed seat
- visual field
- angle prism
- multiplying power
- lower fixed
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- 230000000007 visual effect Effects 0.000 claims abstract description 66
- 239000005357 flat glass Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to optical gauge technical field, refer in particular to the binocular head that a kind of multiplying power is constant, comprise upper fixed seat, lower fixed seat, zoom assembly, upper right-angle prism and lower right-angle prism, upper fixed seat is equiped with microcosmic visual field camera, lower fixed seat is equiped with large visual field camera, is embedded with right-angle prism and lower right-angle prism in lower fixed seat. The present invention inserts transparent prism between eyepiece and Zoom lens group, and the light of reflection enters the camera of large visual field, obtains constant large-scale measurement image; The light of perspective passes through Zoom lens group and eyepiece, enters the camera of microcosmic visual field, obtains the measurement image of continuous zoom. Large visual field and microcosmic visual field image are synchronous, the image of logical large visual field can navigate to the microcosmic visual field that needs measurement fast, thereby has realized the function that the large visual field of constant multiplying power and continuous zoom microcosmic visual field are provided simultaneously, and internal structure is simple, low cost of manufacture, practicality is stronger.
Description
Technical field
The present invention relates to optical gauge technical field, refer in particular to the binocular head that a kind of multiplying power is constant.
Background technology
Along with scientific and technological development, vision measurement technology is more and more ripe, and vision-based detection (AOI) is widely used in machining, the every field such as industrial calibration, engineering survey, the examination and test of products, and the parent that its practicality is subject to all trades and professions looks at.
At present, also there is on the market the technology of a part of binocular head, but zoom assembly is positioned at object lens below, the light of testee is first through entering large visual field camera again after zoom assembly, can there is corresponding variation along with the zoom operation of camera lens in the scope of large visual field, cannot keep constant multiplying power, thereby increase the complexity of the positioning function of Survey Software, two-way visual field is all through zoom lens set, then by the eyepiece of reduction magnification, obtain the image of large visual field, increased machine structural parts, manufacturing cost is high, and defect is obvious.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of binocular head that the large visual field of constant multiplying power and continuous zoom microcosmic visual field can be provided simultaneously.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the binocular head that a kind of multiplying power is constant, comprise upper fixed seat and lower fixed seat, between this upper fixed seat and lower fixed seat, be connected with zoom assembly, upper fixed seat is equiped with microcosmic visual field camera, lower fixed seat is equiped with large visual field camera, the upper and lower of lower fixed seat is hatch frame, the bottom of lower fixed seat is equiped with the first object lens, in described lower fixed seat, be embedded with right-angle prism and lower right-angle prism, the inclined-plane of the inclined-plane of upper right-angle prism and lower right-angle prism is parallel to each other, the sidewall of lower fixed seat offers acquisition window, large visual field camera is fixedly installed in this acquisition window, the camera lens of large visual field camera is aimed at the vertical plane of lower right-angle prism, the horizontal plane of upper right-angle prism and described zoom assembly alignment.
Wherein, described acquisition window is fixed with prism bracing frame, and the inner side of this bracing frame is provided with two support arms that put in described lower fixed seat, and described upper right-angle prism and lower right-angle prism are all embedded in two intervals between support arm.
Wherein, between the camera lens of described large visual field camera and the vertical plane of lower right-angle prism, be equiped with the second object lens.
Preferably, the sidewall of described lower fixed seat offers demarcation window, and this demarcation window place is equiped with demarcation sheet, and the outside of this demarcation sheet is equiped with source of parallel light, and the light that source of parallel light produces irradiates the vertical plane in described upper right-angle prism through demarcating sheet.
Wherein, described demarcation sheet comprises sheet glass and is arranged at the multiple concentric square frame on sheet glass by coating process.
Wherein, the material of described concentric square frame is chromium.
Wherein, described source of parallel light comprises spot light and the convex lens between spot light and demarcation sheet.
Wherein, described demarcation window is fixed with demarcation bracing frame, and described demarcation sheet, convex lens and spot light are all embedded at demarcation bracing frame.
Wherein, the bottom of described lower fixed seat is fixed with objective lens support, and described the first object lens are embedded at objective lens support.
Beneficial effect of the present invention is: the invention provides the binocular head that a kind of multiplying power is constant, large visual field camera is for the large visual field of little multiplying power, microcosmic visual field camera is used for providing continuous zoom microcosmic visual field, be mainly used in the quick location to local small measurement target in measuring object in microcosmic radiographic measurement, because zoom assembly is arranged at the top of lower fixed seat, the light of testee is after the first object lens, after reflection through lower prism, directly enter again the camera lens of large visual field camera, without process zoom assembly, be not subject to the impact of zoom, field range is large, when zoom regulates, multiplying power is constant, the measurement image of large visual field camera is invariable.
The present invention inserts transparent prism between eyepiece and Zoom lens group, and the light of reflection enters the camera of large visual field, obtains constant large-scale measurement image; The light of perspective passes through Zoom lens group and eyepiece, enters the camera of microcosmic visual field, obtains the measurement image of continuous zoom. Large visual field and microcosmic visual field image are synchronous, the image of logical large visual field can navigate to the microcosmic visual field that needs measurement fast, thereby has realized the function that the large visual field of constant multiplying power and continuous zoom microcosmic visual field are provided simultaneously, and internal structure is simple, low cost of manufacture, practicality is stronger.
Brief description of the drawings
Fig. 1 is the light channel structure schematic diagram of the embodiment of the present invention one.
Perspective view when Fig. 2 is the embodiment of the present invention one hiding upper fixed seat, microcosmic visual field camera and zoom assembly.
Stereochemical structure decomposing schematic representation when Fig. 3 is the embodiment of the present invention one hiding upper fixed seat, microcosmic visual field camera and zoom assembly.
Perspective view when Fig. 4 is the embodiment of the present invention two hiding upper fixed seat, microcosmic visual field camera and zoom assembly.
Stereochemical structure decomposing schematic representation when Fig. 5 is the embodiment of the present invention two hiding upper fixed seat, microcosmic visual field camera and zoom assembly.
Fig. 6 is the get the bid structural representation of stator of the embodiment of the present invention two.
Detailed description of the invention
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Be the embodiment mono-of the binocular head that a kind of multiplying power of the present invention is constant as shown in Figure 1 to Figure 3, comprise upper fixed seat 1 and lower fixed seat 2, between this upper fixed seat 1 and lower fixed seat 2, be connected with zoom assembly 3, upper fixed seat 1 is equiped with microcosmic visual field camera 4, lower fixed seat 2 is equiped with large visual field camera 5, the upper and lower of lower fixed seat 2 is hatch frame, the bottom of lower fixed seat 2 is equiped with the first object lens 6, in described lower fixed seat 2, be embedded with right-angle prism 7 and lower right-angle prism 8, the inclined-plane of the inclined-plane of upper right-angle prism 7 and lower right-angle prism 8 is parallel to each other, the sidewall of lower fixed seat 2 offers acquisition window 9, large visual field camera 5 is fixedly installed in this acquisition window 9, the camera lens of large visual field camera 5 is aimed at the vertical plane of lower right-angle prism 8, the horizontal plane of upper right-angle prism 7 is aimed at described zoom assembly 3.
In the present embodiment, only play the inclined-plane plating of right-angle prism 8 to be provided with pellicle, to play the effect of reflection and transmission. preferred mode is that the light transmittance of pellicle is 80%～90%. in actual applications, large visual field camera 5 is for the large visual field of little multiplying power, microcosmic visual field camera 4 is for providing continuous zoom microcosmic visual field, be mainly used in the quick location to local small measurement target in measuring object in microcosmic radiographic measurement, because zoom assembly 3 is arranged at the top of lower fixed seat 2, the light of testee is after the first object lens 6, after reflection through lower right-angle prism 8, directly enter again the camera lens of large visual field camera 5, without process zoom assembly 3, be not subject to the impact of zoom, field range is large, when zoom regulates, multiplying power is constant, the measurement image of large visual field camera 5 is invariable.
The present invention inserts transparent prism between eyepiece and Zoom lens group, and the light of reflection enters the camera of large visual field, obtains constant large-scale measurement image; The light of perspective passes through Zoom lens group and eyepiece, enters the camera of microcosmic visual field, obtains the measurement image of continuous zoom. Large visual field and microcosmic visual field image are synchronous, the image of logical large visual field can navigate to the microcosmic visual field that needs measurement fast, thereby has realized the function that the large visual field of constant multiplying power and continuous zoom microcosmic visual field are provided simultaneously, and internal structure is simple, low cost of manufacture, practicality is stronger.
In the present embodiment, described acquisition window 9 is fixed with prism bracing frame 10, the inner side of this bracing frame is provided with two support arms 11 that put in described lower fixed seat 2, described upper right-angle prism 7 and lower right-angle prism 8 are all embedded in two intervals between support arm 11, so that the fixing and installation of upper right-angle prism 7 and lower right-angle prism 8.
In the present embodiment, between the camera lens of described large visual field camera 5 and the vertical plane of lower right-angle prism 8, be equiped with the second object lens 12, so that be projected in the camera lens of described large visual field camera 5 after measurement image is contracted to suitable size.
Be the embodiment bis-of the binocular head that a kind of multiplying power of the present invention is constant as shown in Figures 4 to 6, be with the difference of above-described embodiment one: the sidewall of described lower fixed seat 2 offers demarcates window 13, these demarcation window 13 places are equiped with demarcates sheet 14, the outside of this demarcation sheet 14 is equiped with source of parallel light, the light that source of parallel light produces is through the vertical plane of demarcating sheet 14 and upper right-angle prism 7, and in process, the inclined-plane of right-angle prism 7 reflexes to microcosmic visual field camera 4.
In the present embodiment, the inclined-plane of upper right-angle prism 7 and lower right-angle prism 8 all plates and is provided with pellicle, to play the effect of reflection and transmission simultaneously. When normal use, source of parallel light is closed, and on upper right-angle prism 7, there is no image, when only demarcation, just opens, and the pattern of demarcation just can project prism, like this, can Fast Calibration, improve measurement efficiency.
See Fig. 6, described demarcation sheet 14 comprises sheet glass 15 and is arranged at the multiple concentric square frame 16 on sheet glass 15 by coating process, the material of described concentric square frame 16 is chromium, the plurality of concentric square frame 16 forms demarcates pattern, while measurement, lower right-angle prism 8 is used for providing image to the camera of large visual field, and upper right-angle prism 7 is used for reflecting the pattern of demarcating sheet 14.
In the present embodiment, described source of parallel light comprises spot light 17 and the convex lens 18 between spot light 17 and demarcation sheet 14, irradiates on described demarcation sheet 14 so that the light that spot light 17 is sent is transformed into directional light.
In the present embodiment, described demarcation window 13 is fixed with demarcates bracing frame 19, described demarcation sheet 14, convex lens 18 and spot light 17 are all embedded at demarcates bracing frame 19, the bottom of described lower fixed seat 2 is fixed with objective lens support 20, described the first object lens 6 are embedded at objective lens support 20, so that the assembling of all parts reduces the assembly difficulty of binocular head, thereby reduces production costs.
Above-described embodiment is preferably implementation of the present invention, and in addition, the present invention can also realize by alternate manner, and under the prerequisite that does not depart from the technical program design, any apparent replacement is all within protection scope of the present invention.
Claims (7)
1. the constant binocular head of multiplying power, comprise upper fixed seat (1) and lower fixed seat (2), between this upper fixed seat (1) and lower fixed seat (2), be connected with zoom assembly (3), upper fixed seat (1) is equiped with microcosmic visual field camera (4), lower fixed seat (2) is equiped with large visual field camera (5), the upper and lower of lower fixed seat (2) is hatch frame, the bottom of lower fixed seat (2) is equiped with the first object lens (6), it is characterized in that: in described lower fixed seat (2), be embedded with right-angle prism (7) and lower right-angle prism (8), the inclined-plane of the inclined-plane of upper right-angle prism (7) and lower right-angle prism (8) is parallel to each other, the sidewall of lower fixed seat (2) offers acquisition window (9), large visual field camera (5) is fixedly installed in this acquisition window (9), the camera lens of large visual field camera (5) is aimed at the vertical plane of lower right-angle prism (8), the horizontal plane of upper right-angle prism (7) is aimed at described zoom assembly (3), the bottom of described lower fixed seat (2) is fixed with objective lens support (20), and described the first object lens (6) are embedded at objective lens support (20),
The sidewall of described lower fixed seat (2) offers demarcates window (13), this demarcation window (13) locates to be equiped with demarcation sheet (14), the outside of this demarcation sheet (14) is equiped with source of parallel light, and the light that source of parallel light produces irradiates in the vertical plane of described upper right-angle prism (7) through demarcating sheet (14).
2. the constant binocular head of multiplying power according to claim 1, it is characterized in that: described acquisition window (9) is fixed with prism bracing frame (10), the inner side of this bracing frame is provided with two support arms (11) that put in described lower fixed seat (2), and described upper right-angle prism (7) and lower right-angle prism (8) are all embedded in the interval between two support arms (11).
3. the constant binocular head of multiplying power according to claim 1, is characterized in that: between the camera lens of described large visual field camera (5) and the vertical plane of lower right-angle prism (8), be equiped with the second object lens (12).
4. the constant binocular head of multiplying power according to claim 1, is characterized in that: described demarcation sheet (14) comprises sheet glass (15) and is arranged at the multiple concentric square frame (16) on sheet glass (15) by coating process.
5. the constant binocular head of multiplying power according to claim 4, is characterized in that: the material of described concentric square frame (16) is chromium.
6. the constant binocular head of multiplying power according to claim 5, is characterized in that: described source of parallel light comprises spot light (17) and is positioned at spot light (17) and demarcates the convex lens (18) between sheet (14).
7. the constant binocular head of multiplying power according to claim 6, it is characterized in that: described demarcation window (13) is fixed with demarcates bracing frame (19), described demarcation sheet (14), convex lens (18) and spot light (17) are all embedded at demarcates bracing frame (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310696699.5A CN103616754B (en) | 2013-12-18 | 2013-12-18 | The binocular head that multiplying power is constant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310696699.5A CN103616754B (en) | 2013-12-18 | 2013-12-18 | The binocular head that multiplying power is constant |
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| Publication Number | Publication Date |
|---|---|
| CN103616754A CN103616754A (en) | 2014-03-05 |
| CN103616754B true CN103616754B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310696699.5A Expired - Fee Related CN103616754B (en) | 2013-12-18 | 2013-12-18 | The binocular head that multiplying power is constant |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108032143A (en) * | 2017-10-26 | 2018-05-15 | 东莞市准锐自动化设备有限公司 | A kind of Bidirectional observation instrument |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000352671A (en) * | 1999-06-10 | 2000-12-19 | Olympus Optical Co Ltd | Stereomicroscope |
| AU2001294818B2 (en) * | 2000-09-26 | 2006-08-17 | Calhoun Vision, Inc. | Power adjustment of adjustable lens |
| CN2784958Y (en) * | 2005-03-19 | 2006-05-31 | 鸿富锦精密工业（深圳）有限公司 | Zooming lens |
| JP5073314B2 (en) * | 2007-02-26 | 2012-11-14 | 大塚電子株式会社 | Microscopic measuring device |
| CN101105575A (en) * | 2007-06-28 | 2008-01-16 | 陈方斌 | Telescope for alternatedly binocular use |
| CN203012235U (en) * | 2012-12-30 | 2013-06-19 | 西安华科光电有限公司 | Optical system of laser illumination telescope |
| CN203720429U (en) * | 2013-12-18 | 2014-07-16 | 东莞市通德光电科技有限公司 | Constant magnification binocular head |
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