CN112525235A - Window structure for photoelectric detection device - Google Patents
Window structure for photoelectric detection device Download PDFInfo
- Publication number
- CN112525235A CN112525235A CN202011388650.XA CN202011388650A CN112525235A CN 112525235 A CN112525235 A CN 112525235A CN 202011388650 A CN202011388650 A CN 202011388650A CN 112525235 A CN112525235 A CN 112525235A
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- Prior art keywords
- window
- spherical
- hemispherical
- frame
- quarter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 229920002631 room-temperature vulcanizate silicone Polymers 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000005245 sintering Methods 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 10
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 229920002379 silicone rubber Polymers 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a window structure for a photoelectric detection device, which creatively divides a spherical window into four equal parts, two quarter spherical windows and a hemispherical window frame form a hemispherical window assembly, and the two hemispherical window assemblies are spliced into the spherical window. When the hemispherical window assembly is assembled, the two quarter spherical windows are fixedly connected with a hemispherical window frame by using RTV (room temperature vulcanized) silicon rubber. The window frame is prepared by sintering titanium metal powder to prepare a spherical window integral frame, and then dividing the spherical window integral frame into two parts by using wire cutting processing, thereby preparing two hemispherical window frames which are completely identical in structure. When the spherical window is assembled in a splicing mode, gaps generated by linear cutting machining are filled with RTV silicon rubber so as to seal the spherical window structure. The window structure of the invention is safe and reliable, the processing and assembling operations are simple and convenient, and the performance is reliable.
Description
Technical Field
The invention belongs to the technical field of photoelectric detection, and relates to a window structure for a photoelectric detection device.
Background
In order to realize panoramic observation, the window structure of the photoelectric detection device needs to establish an optical channel on the whole circumference, and the detection device adopts a spherical window structure. The amplitude of the conventional spherical window is generally smaller than that of a hemisphere, the spherical window far exceeds the hemisphere, the original window structure is not applicable any more, and the design requirement of a photoelectric detection device cannot be met.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the window structure for the photoelectric detection device is provided, and the use requirement that a spherical window is far beyond a hemisphere is met.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a window structure for a photodetecting device, which comprises a spherical window and a mirror assembly installed inside the spherical window; the reflector component comprises a reflector 13, a motor 11 connected with a reflector frame and a coded disc 12 connected with the reflector frame; the spherical window comprises two hemispherical window assemblies, each hemispherical window assembly comprises a hemispherical window frame 22 and two quarter spherical windows 21 arranged on the hemispherical window frame 22, and the two hemispherical window frames 22 are combined into a spherical window integral frame; the reflector component is arranged in the horizontal sphere diameter direction of the spherical window structure, and the structural width of the reflector component is larger than the upper end caliber and the lower end caliber of the window structure.
The hemispherical window assembly and the reflector assembly are positioned in a matched mode through a hole shaft, and the flange joint is fastened and installed through bolts.
When the hemispherical window assembly is assembled, the two quarter spherical windows 21 are fixedly connected with a hemispherical window frame 22 by using RTV (room temperature vulcanized) silicon rubber.
Wherein, a glue gap of 0.5mm is reserved between the quarter-sphere window 21 and the hemisphere window frame 22.
During assembly, glue seams between the quarter-sphere window 21 and the hemisphere window frame 22 are uniform, and glue amount is sufficient.
The inner wall of the whole frame of the spherical window is provided with four support rib structures.
Wherein, the spherical window integral frame is manufactured by sintering titanium metal powder.
And after the spherical window is assembled by splicing the two hemispherical window assemblies, the RTV silicon rubber is used for filling the gap to seal the spherical window structure.
The spherical window is processed by integral wire cutting to generate four quarter spherical windows 21 and two hemispherical window frames 22, then the four quarter spherical windows and the two hemispherical window frames are assembled and installed in the reflector assembly, and the diameter of a steel wire used for wire cutting is 0.2 mm.
(III) advantageous effects
The window structure for the photoelectric detection device provided by the technical scheme has the advantages that the whole spherical window structure is formed by splicing the two same hemispherical window assemblies, the window structure is safe and reliable, the processing and assembling operations are simple and convenient, and the performance is reliable.
Drawings
Fig. 1 is a cross-sectional view of a spherical window and an inner structure.
Fig. 2 is a schematic view showing a state where the spherical window is mounted.
Fig. 3 is a sectional view showing a state where the spherical window is mounted.
Fig. 4 is a schematic view of a hemispherical window assembly.
Fig. 5 is a cross-sectional view of a hemispherical window assembly.
Fig. 6 is a schematic view of the overall frame of the spherical window.
Fig. 7 is a schematic view of a hemispherical window frame.
Wherein: 11 motor, 12 code wheel, 13 reflector, 21 quarter spherical window and 22 hemisphere window frame.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The photoelectric detection device floats on the sea surface to work, and light beams enter the optical lens after being converted by the spherical window and the reflector assembly. The reflector component is fixedly connected to the front end of the optical lens, and the reflector component and the optical lens rotate along the axis of the optical lens to realize panoramic observation. The spherical window is divided into four equal parts, each two small windows after being divided into four equal parts form a hemispherical window, the two hemispherical windows are spliced into the spherical window, and the spherical window is required to be sealed according to the special requirements of the use environment.
As shown in fig. 1 and fig. 2, the window structure for the photoelectric detection device of the present invention includes a mirror assembly composed of a motor 11, a code wheel 12 and a mirror 13, and a spherical window structure composed of a quarter spherical window 21 and a hemispherical window frame 22. The reflector assembly 10 is installed in the horizontal sphere diameter direction of the spherical window structure 20, and the structural width c of the reflector assembly is larger than the upper end caliber a and the lower end caliber b of the spherical window structure. In order to facilitate the installation and debugging of the reflector component, the spherical window is subjected to split treatment so as to facilitate the installation and debugging of the reflector component.
As shown in fig. 3 and 4, the spherical window is divided into four halves, each two small windows after being divided into four halves form a hemispherical window, and the two hemispherical windows are spliced into the spherical window. Namely, two quarter-sphere windows 21 and a hemisphere window frame 22 constitute two hemisphere window assemblies. The two hemispherical window assemblies are spliced to form a spherical window structure. The hemispherical window assembly and the detection device are positioned in a matched mode through a hole shaft, and the flange joint is fastened and installed through bolts.
As shown in fig. 5, when the hemispherical window assembly is assembled, two quarter-sphere windows 21 are fixedly connected with a hemispherical window frame 22 by using RTV silicone rubber, and a glue gap of 0.5mm is reserved between the quarter-sphere window 21 and the hemispherical window frame 22. During construction, the glue joints between the quarter-sphere window 21 and the hemisphere window frame 22 are uniform, and the glue amount is sufficient. The cured silicon rubber can effectively ensure the bonding strength between the quarter-sphere window 21 and the hemisphere window frame 22, and the reliability of the hemisphere window assembly is improved.
As shown in fig. 6 and 7, the two hemispherical window assemblies need to be kept in a consistent state, so that the two hemispherical window frames 22 need to be identical in structure, in the present invention, the spherical window integral frame is first machined, and then the spherical window integral frame is divided into two parts by using line cutting machining, so as to complete the manufacturing of the two hemispherical window frames 22. According to the invention, the whole spherical window frame adopts four support rib structures, if the whole spherical window frame is processed by adopting a traditional milling mode, the frame structure is easy to deform, and the structural deformation can be continuously amplified after the wire cutting processing, so that the adaptability between the formed hemispherical window frame 22 and the quarter spherical window 21 is poor, the glue seam is uneven, the bonding effect is poor, and the reliability of a hemispherical window assembly is greatly reduced. According to the invention, the spherical window integral frame is manufactured by sintering titanium metal powder, the manufacturing means can avoid the deformation problem of the integral frame caused by the traditional processing mode, meanwhile, the internal stress of the spherical window integral frame sintered by powder is small, the deformation caused by wire cutting processing is controllable, the two formed hemispherical window frames 22 are completely identical in structure, and the reliability of the hemispherical window assembly is improved. A gap with the diameter of a steel wire used for wire cutting can be generated after the wire cutting, the diameter of the steel wire used in the invention is 0.2mm, after the spherical window is assembled by splicing two hemispherical window assemblies, RTV silicon rubber is used for filling the gap to seal the spherical window structure.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A window structure for a photodetecting device is characterized by comprising a spherical window and a reflector component mounted inside the spherical window; the reflector component comprises a reflector (13), a motor (11) connected with a reflector frame and a coded disc (12) connected with the reflector frame; the spherical window comprises two hemispherical window assemblies, each hemispherical window assembly comprises a hemispherical window frame (22) and two quarter spherical windows (21) arranged on the hemispherical window frame, and the two hemispherical window frames (22) are combined into a spherical window integral frame; the reflector component is arranged in the horizontal sphere diameter direction of the spherical window structure, and the structural width of the reflector component is larger than the upper end caliber and the lower end caliber of the window structure.
2. The window structure for a photodetecting device according to claim 1, characterized in that the hemispherical window assembly and the mirror assembly are positioned by hole-axis fit, and the flange joint is installed by bolt fastening.
3. The window structure for a photodetecting device according to claim 2, characterized in that when the hemispherical window assembly is assembled, two quarter-spherical windows (21) are fixedly coupled with a hemispherical window frame (22) using RTV silicone rubber.
4. Window structure for photodetecting device according to claim 3, characterized in that the glue gap reserved between the quarter-sphere window (21) and the hemisphere window frame (22) is 0.5 mm.
5. Window construction for a photodetecting device according to claim 4, characterized in that the glue joint between the quarter-sphere window (21) and the hemisphere window frame (22) is uniform and the glue volume is sufficient when assembling.
6. The window structure for photodetecting device according to claim 5, characterized in that four supporting rib structures are adopted on the inner wall of the whole frame of the spherical window.
7. The window structure for a photodetecting device according to claim 6, characterized in that the spherical window integral frame is made by sintering titanium metal powder.
8. The window structure for a photodetecting device according to claim 7, characterized in that after two hemispherical window assemblies are assembled into a spherical window, the gap is filled with RTV silicone rubber to seal the spherical window structure.
9. The window structure for a photodetecting device according to claim 8, characterized in that the spherical window is formed by a whole line cutting process to four quarter spherical windows (21), two hemispherical window frames (22), and then assembled and assembled into the mirror assembly, and the wire used for line cutting has a diameter of 0.2 mm.
10. Use of a window structure according to any of claims 1-9 for a photo detection device in the field of photo detection technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388650.XA CN112525235A (en) | 2020-12-01 | 2020-12-01 | Window structure for photoelectric detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388650.XA CN112525235A (en) | 2020-12-01 | 2020-12-01 | Window structure for photoelectric detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112525235A true CN112525235A (en) | 2021-03-19 |
Family
ID=74996125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011388650.XA Pending CN112525235A (en) | 2020-12-01 | 2020-12-01 | Window structure for photoelectric detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112525235A (en) |
Citations (18)
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| CN207248300U (en) * | 2017-09-05 | 2018-04-17 | 浙江华东测绘地理信息有限公司 | Hemispherical bottom-sitting type liminmeter observation device |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
| CN209017159U (en) * | 2018-12-13 | 2019-06-21 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN110200557A (en) * | 2019-07-10 | 2019-09-06 | 北京富通芯科技有限公司 | The environmental perception device of sweeper, the construction method of environmental map and sweeper |
| CN110478633A (en) * | 2019-09-02 | 2019-11-22 | 重庆医科大学 | The fixed frame and ultrasonic transducer system of focused transducer |
-
2020
- 2020-12-01 CN CN202011388650.XA patent/CN112525235A/en active Pending
Patent Citations (18)
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| JPH09311074A (en) * | 1996-05-22 | 1997-12-02 | Olympus Optical Co Ltd | Illumination apparatus |
| US7283222B1 (en) * | 2006-04-12 | 2007-10-16 | Matsushita Electric Industrial Co., Ltd. | Optical measuring device |
| JP2008304297A (en) * | 2007-06-07 | 2008-12-18 | Citizen Holdings Co Ltd | Omnidirectional sensor and device using it |
| CN201367107Y (en) * | 2009-03-03 | 2009-12-23 | 刘兴纯 | Hyper-hemispherical glass hood for submersible |
| JP2010206621A (en) * | 2009-03-04 | 2010-09-16 | Secom Co Ltd | Dome-shaped camera cover |
| FI20095992A0 (en) * | 2009-09-29 | 2009-09-29 | Janesko Oy | The measuring window Structure |
| CN102043309A (en) * | 2009-10-22 | 2011-05-04 | 福州富兰机电技术开发有限公司 | Monitor camera excess hemisphere transparent cover |
| CN101979796A (en) * | 2010-11-01 | 2011-02-23 | 南京耐尔思光电仪器有限公司 | Azimuth transmission mechanism and main structure integrated follow-up dome for observation instrument protection |
| CN103836533A (en) * | 2012-11-25 | 2014-06-04 | 西安大昱光电科技有限公司 | Optical lens device for building sunshine roofs |
| CN104754198A (en) * | 2015-04-13 | 2015-07-01 | 福州富兰机电技术开发有限公司 | Injection-molded optical transparent cover for surveillance camera |
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| CN207248300U (en) * | 2017-09-05 | 2018-04-17 | 浙江华东测绘地理信息有限公司 | Hemispherical bottom-sitting type liminmeter observation device |
| CN107817567A (en) * | 2017-11-08 | 2018-03-20 | 中船重工中南装备有限责任公司 | Omnidirectional's watch window structure |
| CN109597265A (en) * | 2018-12-11 | 2019-04-09 | 河北汉光重工有限责任公司 | Hemispherical ball cover fixes to clamp mechanism in a kind of diving imaging system |
| CN209017159U (en) * | 2018-12-13 | 2019-06-21 | 杭州海康威视数字技术股份有限公司 | Video camera |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210319 |
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| RJ01 | Rejection of invention patent application after publication |