CN104296872B - A kind of adapting device of optical filter and detector - Google Patents
A kind of adapting device of optical filter and detector Download PDFInfo
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- CN104296872B CN104296872B CN201410653383.2A CN201410653383A CN104296872B CN 104296872 B CN104296872 B CN 104296872B CN 201410653383 A CN201410653383 A CN 201410653383A CN 104296872 B CN104296872 B CN 104296872B
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Abstract
The invention discloses the adapting device of a kind of optical filter and detector, including filter unit and detector cells: described filter unit includes optical filter base, described optical filter base has the first mounting flange and for holding the first groove of optical filter, described first mounting flange is provided with the first installing hole, adjusts top wire hole and the first dowel hole；Described detector cells includes base, described base has the second mounting flange, for coordinating the second groove of described optical filter base, for holding the 3rd groove and screwed hole of detector, being provided with the second installing hole and the second dowel hole on described second mounting flange, described first installing hole and described screwed hole are correspondingly arranged.The coupling of optical filter and detector has repeatability, facilitates dismounting and the reset of optical filter box.
Description
Technical field
The present invention relates to imaging spectrometer technical field, particularly relate to the adapting device of a kind of optical filter and detector.
Background technology
Imaging spectrometer based on optical filter need to place an optical filter in detector target surface front, the form of optical filter linear, tunable, and bandpass array etc., complete the collection of spectrum picture.Distance and setting angle in order to eliminate ghost image and Spectra aliasing, optical filter and detector requires all very strict, and the coupling accuracy of optical filter and detector target surface directly affects the image quality of system.
The encapsulation of existing detector generally can not meet the required distance of setting; typically requiring the protection glass tearing detector chip open, be then coupling in by optical filter in detector glue surface, this will provide special environment; and be not easily accomplished; especially for large area array detector, detector chip price is much more expensive, protects the larger in size of glass; and thickness is generally very thin; it is easily broken, detector chip will be caused damage, and bring economic loss.
Summary of the invention
The purpose of the embodiment of the present invention is to provide the adapting device of a kind of optical filter and detector, it is simple to the dismounting of optical filter and detector and reset.
The purpose of the embodiment of the present invention is achieved through the following technical solutions:
A kind of adapting device of optical filter and detector, including filter unit and detector cells:
Described filter unit includes optical filter base, and described optical filter base has the first mounting flange and for holding the first groove of optical filter, described first mounting flange is provided with the first installing hole, adjusts top wire hole and the first dowel hole；
Described detector cells includes detector base, described detector base has the second mounting flange, for coordinating the second groove of described optical filter base, for holding the 3rd groove and screwed hole of detector, being provided with the second installing hole and the second dowel hole on described second mounting flange, described first installing hole and described screwed hole are correspondingly arranged.
The technical scheme provided by the invention described above embodiment can be seen that; optical filter and detector are debug and are beaten alignment pin location after coupling completes so that coupling has repeatability, facilitates dismounting and the reset of optical filter box; the protection glass of detector chip need not be torn open, it is easy to accomplish.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 be embodiment of the present invention optical filter and detector adapting device in the composition schematic diagram of filter unit, Fig. 1 (a) is profile, and Fig. 1 (b) is front view.
Fig. 2 be embodiment of the present invention optical filter and detector adapting device in the composition schematic diagram of detector cells, Fig. 2 (a) is profile, and Fig. 2 (b) is front view.
The adapting device that Fig. 3 is embodiment of the present invention optical filter and detector constitutes schematic diagram, and Fig. 3 (a) is profile, and Fig. 3 (b) is front view.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on embodiments of the invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into protection scope of the present invention.
The adapting device of a kind of optical filter of the embodiment of the present invention and detector, including filter unit and detector cells:
Filter unit includes optical filter base, and optical filter base has the first mounting flange and for holding the first groove of optical filter, the first mounting flange is provided with the first installing hole, adjusts top wire hole and the first dowel hole；
Detector cells includes detector base, detector base has the second mounting flange, for coordinating the second groove of optical filter base, for holding the 3rd groove and screwed hole of detector, being provided with the second installing hole and the second dowel hole on second mounting flange, the first installing hole and screwed hole are correspondingly arranged.
The technical scheme provided by the invention described above embodiment can be seen that; optical filter and detector are debug and are beaten alignment pin location after coupling completes so that coupling has repeatability, facilitates dismounting and the reset of optical filter box; the protection glass of detector chip need not be torn open, it is easy to accomplish.
Further, filter unit can also include rubber cushion and optical filter pressing plate, arranges rubber cushion between optical filter pressing plate and optical filter, and optical filter pressing plate is fixed on optical filter base by fixing screw.
Further, optical filter base can also have hole for injecting glue, and hole for injecting glue connects with the first groove.
Exemplary, the first installing hole can be 3 waist through hole being distributed on the first mounting flange, and screwed hole can be 3 and be distributed on the second mounting flange, and the first installing hole coordinates the rotation adjustment realized filter unit with screwed hole.
Adjusting top wire hole can be 3 tapped through holes being distributed on the first mounting flange, and the first dowel hole can be 2 and be symmetricly set on the first mounting flange.
Optionally, the light hole inner surface of optical filter pressing plate is the surface after blasting treatment.
Further, the second installing hole can be 4 waist through hole being distributed on the second mounting flange, and the second dowel hole can be 2 and be symmetricly set on the second mounting flange.
Further, detector cells can also include glue line, and glue line is positioned at the 3rd groove bonding detector.
Concrete as shown in Figure 1 by the installation instructions filter unit of filter unit:
Optical filter base 11 selects and the metal material of optical filter 12 base material similar thermal expansion coefficient, as the thermal coefficient of expansion relative deviation of metal material thermal coefficient of expansion and base material within 50% as well.The course of processing adopts dimensionally stable heat treatment, eliminates machining stress so that optical filter because of the acute variation of temperature environment, and will not be caused damage by use procedure.
Optical filter base 11 designs the first mounting flange 111, uniform 3 the first installing holes 1111 on first mounting flange 111, first mounting flange 111 respectively waist through hole, the screwed hole of waist through hole and the second mounting flange (being hereinafter described) is equipped with, realize the rotation adjustment of filter unit, and, it is equipped with by 3 screwed holes of 3 holding screws, 3 waist through hole and the second mounting flange and plays 3 effects drawn；On first mounting flange 111, also uniform 3 adjustment top wire holes 1112,3 adjust top wire hole respectively tapped through hole, are played the effect on 3 tops by 3 holding screws；It addition, also have two dowel holes 1113 on the first mounting flange 111, dowel hole 1113 is for realizing filter unit installation location on detector base.
Here it is possible to require the parallelism tolerance requirement≤0.01 in mounting flange face 10 and optical filter 12 datum clamp face 101.
First, optical filter 12 is put in optical filter base 11, here, those skilled in the art can according to the use temperature range of instrument, calculate the largest deformation size of optical filter 12, ensure that optical filter 12 periphery can fill in the copper sheet of a half thickness of largest deformation, it is achieved optical filter 12 being symmetrically installed in optical filter base 11, satisfied temperature instructions for use.
Afterwards, taking out copper sheet gently, put into rubber cushion 13, rubber cushion 13 is elastomeric material, and rubber cushion 13 is between optical filter pressing plate 14 and optical filter 12, it is possible to effectively eliminates or reduces the optical filter pressing plate 14 compressive stres to optical filter 12.Being then placed in optical filter pressing plate 14, the light hole of optical filter pressing plate 14 has done blasting treatment, it is possible to the impact of inhibition filter 12 surface veiling glare.In order to make it easy to understand, Fig. 1 also illustrates blasting treatment position 103.
Finally, tighten fixing screw 15, optical filter pressing plate 14 and optical filter base 11 are fixed together.
Followed by, it is possible to use glue rifle squeezes into yielding rubber from the hole for injecting glue optical filter base 11, solidify.Hole for injecting glue can be common through hole.In order to make it easy to understand, Fig. 1 also illustrates rubber position 102.
Those skilled in the art are it is recognised that the spectral region of optical filter and the type of base material are unrestricted.
Those skilled in the art are it is recognised that the rubber trade mark of rubber cushion is unrestricted.
Those skilled in the art can also understand optical filter pressing plate (designing optical filter pressing plate according to the profile of optical filter) with reference to prior art, those skilled in the art it is known that, blasting treatment mainly suppresses veiling glare, to processing the typically no quantitative requirement of numerical value.
Those skilled in the art, it is recognised that the number of fixing screw hole and fixing screw does not do strict restriction, are configured with specific reference to needs.
Those skilled in the art are it is recognised that the position of the first installing hole and adjustment top wire hole can exchange, unrestricted.
Those skilled in the art, it is recognised that generally determined by the trade mark of selected rubber hardening time, are generally half an hour to several hours, unrestricted.
Concrete as shown in Figure 2 by the installation instructions detector cells of detector cells:
Detector base 21 selects the metal material that thermal coefficient of expansion is less, such as metal materials such as constant steel, steel, titanium alloys, does dimensional stability simultaneously and process in the course of processing.End face 20 is the datum clamp face of filter unit, requires≤0.01 with the parallelism tolerance of detector 22 datum clamp face 30.
End face 20 has 3 uniform screwed holes 201,3 uniform screwed holes 201 are equipped with 3 the first installing holes 1111 (waist typed through hole) above, play 3 effects drawn, end face 20 is processed fluted 200, installation process can make optical filter sink near detector, and it is unlikely to produce the interference of structure, it is ensured that the distance between optical filter and detector.
End face 40 is the datum clamp face of backend electronics device (circuit board).End face 50 is the mounting flange of whole assembly, and mounting flange has 4 installing holes 202, respectively waist-shaped holes, and the whole assembly formed after facilitating filter unit and detector cells coupling does small angle rotation；2 dowel holes 203 are also had to position for the installation of whole assembly after filter unit and detector cells coupling with pre-objective it addition, install.
Being put into by detector 22 in detector base 21, surrounding retains uniform gap, is then injected into adhesive glue, detector 22 and detector base 21 is bonded together, and solidifies.In order to make it easy to understand, Fig. 2 also illustrates adhesive glue 23.
Those skilled in the art it is known that, kind and the model of detector are unrestricted, if detector chip can be CCD (Charge-coupledDevice, charge coupled cell), CMOS (ComplementaryMetalOxideSemiconductor, complementary metal oxide semiconductors (CMOS)) etc..
Those skilled in the art are it is recognised that generally determined by selected binding agent hardening time, unrestricted.
Those skilled in the art are it is recognised that the trade mark of binding agent is unrestricted.
As it is shown on figure 3, the coupling of filter unit detector cells:
It is possible, firstly, to utilize calibrator to measure the thickness of optical filter 31.
Utilize calibrator to measure the height of 32 4 angles of detector and intermediate point respectively, then average, be datum level according to this, as relative zero.
Put into circle to repair and cut pad 33 and filter unit 34, calibrator is utilized to measure the distance of optical filter 31 and detector 32, adopt the method that three tops three are drawn: on three holding screws 35 and detector base, three uniform screwed holes are equipped with, do not compress in advance, by regulating three holding screws 36, ensure that calibrator keeps consistent at the reading of optical filter 31 upper surface each point, meet the collimation requirement of optical filter 31 and detector 32.
Wherein, the distance between optical filter 31 lower surface and detector 32 can be obtained by the thickness that the distance of optical filter 31 upper surface to detector 32 deducts optical filter 31 own.
Calculate according to the distance obtained and repair the thickness cutting pad 33, meet optical filter 31 and the required distance of detector 32, rotate filter unit 34, adjust optical filter 31 band and the parallel registration between detector 32 pixel.Compressing holding screw 35,37 dozens of shop bolts of the dowel hole on optical filter base are fixed, and dowel hole 38 positions for the installation of later stage complete machine.
Those skilled in the art are it is recognised that the relative position relation of installing hole on optical filter base and detector base flange and adjusting hole can change, unrestricted.
Those skilled in the art it is known that calibrator measure optical filter thickness realize principle, therefore not to repeat here.
By foregoing description, the adapting device of embodiment of the present invention optical filter and detector has the advantage that
The protection glass of detector chip need not be torn open, it is easy to accomplish, save development cost.
Optical filter base selects the metal material that thermal coefficient of expansion and filter substrate material are close, adopts dimensionally stable heat treatment, eliminate machining stress so that because of the acute variation of temperature environment, and optical filter will not be caused damage in use procedure in the course of processing.
The rubber cushion of optical filter upper surface can effectively eliminate and discharge the optical filter pressing plate compressive stres to optical filter.
Uniform gap, equal filling rubber is left, it is possible to shock absorbing, the mechanical environment of vibration and the impact on glass elements of the thermal stress of variations in temperature between optical filter and metab.
The design of optical filter base has installation waist hole and adjusts top wire hole, and the method that three tops three are drawn achieves the optical filter angle adjustment relative to detector chip.
Optical filter and detector are debug and are beaten alignment pin location after coupling completes so that coupling has repeatability, facilitates dismounting and the reset of optical filter box.
Above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope of present disclosure; the change that can readily occur in or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. the adapting device of an optical filter and detector, it is characterised in that include filter unit and detector cells:
Described filter unit includes optical filter base, and described optical filter base has the first mounting flange and for holding the first groove of optical filter, described first mounting flange is provided with the first installing hole, adjusts top wire hole and the first dowel hole；
Described detector cells includes base, described base has the second mounting flange, for coordinating the second groove of described optical filter base, for holding the 3rd groove and screwed hole of detector, being provided with the second installing hole and the second dowel hole on described second mounting flange, described first installing hole and described screwed hole are correspondingly arranged.
2. the adapting device of optical filter as claimed in claim 1 and detector, it is characterized in that, described filter unit also includes rubber cushion and optical filter pressing plate, arranging described rubber cushion between described optical filter pressing plate and described optical filter, described optical filter pressing plate is fixed on described optical filter base by fixing screw.
3. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterised in that described optical filter base also has hole for injecting glue, and described hole for injecting glue connects with described first groove.
4. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterized in that, described first installing hole is 3 waist through hole being distributed on described first mounting flange, described screwed hole is 3 and is distributed on described second mounting flange, and described first installing hole coordinates the rotation adjustment realized described filter unit with described screwed hole.
5. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterized in that, described adjustment top wire hole is 3 tapped through holes being distributed on described first mounting flange, and described first dowel hole is 2 and is symmetricly set on described first mounting flange.
6. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterised in that the thermal coefficient of expansion relative deviation of the base material of the thermal coefficient of expansion of optical filter submount material and described optical filter is less than or equal to 50%.
7. the adapting device of optical filter as claimed in claim 2 and detector, it is characterised in that the light hole inner surface of described optical filter pressing plate is the surface after blasting treatment.
8. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterized in that, described second installing hole is 4 waist through hole being distributed on described second mounting flange, and described second dowel hole is 2 and is symmetricly set on described second mounting flange.
9. the adapting device of optical filter as claimed in claim 1 or 2 and detector, it is characterised in that described detector cells also includes glue line, described glue line is positioned at the described 3rd groove described detector of bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653383.2A CN104296872B (en) | 2014-11-17 | 2014-11-17 | A kind of adapting device of optical filter and detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653383.2A CN104296872B (en) | 2014-11-17 | 2014-11-17 | A kind of adapting device of optical filter and detector |
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| Publication Number | Publication Date |
|---|---|
| CN104296872A CN104296872A (en) | 2015-01-21 |
| CN104296872B true CN104296872B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410653383.2A Active CN104296872B (en) | 2014-11-17 | 2014-11-17 | A kind of adapting device of optical filter and detector |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113703119B (en) * | 2021-09-02 | 2022-06-07 | 中国科学院长春光学精密机械与物理研究所 | Optical filter precision packaging mechanism of optical detector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7095009B2 (en) * | 2002-05-21 | 2006-08-22 | 3M Innovative Properties Company | Photopic detector system and filter therefor |
| JP4441211B2 (en) * | 2003-08-13 | 2010-03-31 | シチズン電子株式会社 | Small imaging module |
| US7303645B2 (en) * | 2003-10-24 | 2007-12-04 | Miradia Inc. | Method and system for hermetically sealing packages for optics |
| JP4585409B2 (en) * | 2005-08-24 | 2010-11-24 | 株式会社東芝 | Small camera module |
| CN2901350Y (en) * | 2006-05-09 | 2007-05-16 | 亚洲光学股份有限公司 | Integrated lens |
| CN102981248A (en) * | 2008-08-25 | 2013-03-20 | 柯尼卡美能达精密光学株式会社 | Image pickup lens, image pickup apparatus and mobile terminal |
| CN103402049A (en) * | 2013-07-28 | 2013-11-20 | 宁波远大成立科技股份有限公司 | Image sensing element and manufacturing method |
| CN203881994U (en) * | 2014-03-28 | 2014-10-15 | 中国科学院上海技术物理研究所 | Buckling type installation device used for rectangular optical filter |
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