CN202362573U - Optical filter switching device and imaging device - Google Patents
Optical filter switching device and imaging device Download PDFInfo
- Publication number
- CN202362573U CN202362573U CN2011204893549U CN201120489354U CN202362573U CN 202362573 U CN202362573 U CN 202362573U CN 2011204893549 U CN2011204893549 U CN 2011204893549U CN 201120489354 U CN201120489354 U CN 201120489354U CN 202362573 U CN202362573 U CN 202362573U
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- switching device
- rotating disk
- optical filter
- optical fiber
- optical
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Abstract
The utility model relates to the technical field of photoelectronic imaging, and discloses an optical filter switching device and an imaging device including the optical filter switching device. The optical filter switching device comprises a base, a rotatable turntable assembly arranged in the base and a plurality of optical filters which are arranged in the turntable assembly and capable of rotating along with the turntable; a window capable of being aligned to the optical filters is arranged in the base and can allow the external light rays to penetrate through; and the base is provided with a first groove for placing the turntable assembly, and the window is communicated with the first groove. In comparison with the prior art, the optical filter switching device has the characteristics that: the plurality of optical filters can be placed in the turntable assembly according to the actual demand; the position of the window on the base is fixed, and the turntable assembly drives the optical filters to rotate by means of rotating until the needed optical filter is aligned to the window on the base; thus, the optical filters can be switched by means of rotating; and the operation in the switching process is simply carried out and the optical filters are accurately positioned.
Description
Technical field
The utility model relates to the technical field of photoelectronic imaging, relates in particular to the imaging device that can accurately switch the switching device of optical fiber of a plurality of optical filters and adopt this switching device of optical fiber.
Background technology
In imaging devices such as camera, can better form images in order to satisfy in various complex environments, promptly to every kind of different environment; Imaging device need filter the light that gets into wherein; To remove some interference or unwanted light, all be provided with the filter switching device shifter that can filter light in the imaging device, to different environment; It can automatically switch to required optical filter, and filters.
Now in the technology; Switching device of optical fiber generally all is to adopt the mode of magnetic to carry out the optical filter switching; Promptly utilize the effect of magnetic force to carry out the optical filter blocked operation, there is following defective in it: one of which, utilize the magnetic mode can only carry out two optical filters to switch, two optical filters promptly can only be set at most in this optical filter; Can not satisfy the demand of current imaging device like this, far away; Two, because magnetic force is less, thus to optical filter require too highly, it can only switch thin optical filter; Three, because magnetic force receives the influence of environment bigger, so in the process of carrying out the optical filter switching, the location of optical filter is inaccurate, can not satisfy higher requirement.
The utility model content
The purpose of the utility model is to provide switching device of optical fiber, is intended to solve switching device of optical fiber of the prior art and can not carries out a plurality of optical filters switchings and switch the inaccurate problem in location.
The utility model is to realize like this; Switching device of optical fiber; Comprise pedestal, place said pedestal and rotating rotary disc assembly and place said rotary disc assembly and with several optical filters of said dial rotation; Be provided with the window that can supply extraneous light to pass and can align with said optical filter in the said pedestal, be provided with first groove that is used to place said rotary disc assembly in the said pedestal, said window is communicated with said first groove.
Further, said rotary disc assembly comprises rotating disk, power spare and can the worm screw of rotating and driving said dial rotation by said power spare band that said several optical filters are distributed in the said rotating disk.
Further, said rotating disk is the toothed disc that can cooperate with said worm screw, is provided with several in the said rotating disk and is used to first through hole placing said optical filter and run through said rotating disk, and the inwall of said first through hole is provided with the flange that can prop up said optical filter.
Further, the opening part of said first through hole is provided with the breach of being convenient to pick and place said optical filter.
Further; Also comprise the control circuit of the said power spare of may command operation and can detect the rotation of said rotating disk and detection information is passed to the detection components of said control circuit that said power spare and said detection components are electrically connected at said control circuit.
Further, said detection components comprise the block of being located at said disk edge place and can through with the detecting element of the rotational angle of the said rotating disk of said block alignment detection, said detecting element is electrically connected at said control circuit.
Further, also comprise the paster that is attached on the said rotating disk and can touch said optical filter, be provided with in the said paster run through said paster and with corresponding second through hole of said first through hole.
Further, also comprise upper cover plate, be provided with in the said upper cover plate and the corresponding third through-hole of said first groove that said detecting element is fixed in said upper cover plate, the edge of said first groove is provided with second groove that can hold said detecting element.
Further, said several optical filters are distributed in the said rotating disk.
The utility model also provides imaging device, and it comprises above-mentioned switching device of optical fiber.
Compared with prior art, can place a plurality of optical filters according to actual needs in the rotary disc assembly, the position of window on the pedestal is fixed; The mode of rotary disc assembly through rotating; The drive optical filter rotates, and the window alignment on needed optical filter and pedestal promptly realizes the switching of optical filter through the mode of rotating; Hand-over process operations is simple, and the accurate positioning of optical filter.
Description of drawings
Fig. 1 is the blast schematic perspective view of the switching device of optical fiber that provides of the utility model embodiment;
Fig. 2 is the schematic perspective view of the switching device of optical fiber that provides of the utility model embodiment;
Fig. 3 is the principle schematic of the switching device of optical fiber that provides of the utility model embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides switching device of optical fiber; Comprise pedestal, place said pedestal and rotating rotary disc assembly and place said rotary disc assembly and with several optical filters of said dial rotation; Be provided with the window that can supply extraneous light to pass and can align in the said pedestal with said optical filter; Be provided with first groove that is used to place said rotary disc assembly in the said pedestal, said window is communicated with said first groove.
Switching device of optical fiber in the utility model can install a plurality of optical filters, and it realizes switching the accurate positioning of optical filter through the mode of rotating.
Below in conjunction with concrete accompanying drawing detailed description is carried out in the realization of the utility model.
Shown in Fig. 1～3, a preferred embodiment that provides for the utility model.
In the present embodiment, switching device of optical fiber 1 comprises pedestal 101, be placed on the rotary disc assembly in the pedestal 101 and be distributed in a plurality of optical filters 105 that can filter the light through wherein on this rotary disc assembly, and pedestal 101 can be used as a housing; Rotary disc assembly is placed within it, and it can rotate, and optical filter 105 is placed in this rotary disc assembly; Rotate along with the rotation of rotary disc assembly, and on pedestal 101, also be provided with window 1012, this window 1012 can supply light from outside to pass; And can align with the optical filter 105 in the rotary disc assembly, certainly, in the present embodiment; Window 1012 can with 105 alignment of single optical filter, promptly under duty, can only with 105 alignment of an optical filter; Like this, when in certain environment, using this switching device of optical fiber 1, rotary disc assembly rotates; Make window 1012 alignment on certain optical filter that needs 105 and pedestal 101 in the rotary disc assembly, like this, the outside light that gets into through window 1012 can pass this optical filter 105; Thereby filtered by optical filter 105, the light after the filtration then can reach the photoelectric sensor in the imaging device, and then imaging.
The mode that above-mentioned switching device of optical fiber 1 employing is rotated is carried out optical filter 105 and is switched; Like this, a plurality of optical filters 105 can be set on rotary disc assembly, for example two, more than three and three; Optical filter 105 numbers that are provided with can be decided as required; And carry out optical filter 105 through the mode of rotating and switch, can guarantee the accurate positioning in optical filter 105 switchings, thereby can satisfy the switching requirement of high requirement.
Rotary disc assembly in above-mentioned comprises rotating disk 103, worm screw 100 and power spare 104, and this rotating disk 103 is placed in first groove 1011, wherein is distributed with a plurality of first through holes 1031 that are used to place optical filter 105; This first through hole 1031 runs through the upper and lower side of rotating disk 103; This worm screw 100 can cooperate with rotating disk 103, and worm screw 100 is connected on the power spare 104, is being with by this power spare 104 and is rotating; And then; The rotation of worm screw 100 can drive the rotation of rotating disk, that is to say, the rotation of this place worm screw 100 and rotating disk 103 is exactly a turbine and worm mechanism.
Particularly, rotating disk 103 is a toothed disc, and its excircle is provided with the gear teeth 1033 that can cooperate with worm screw.Power spare in the present embodiment 104 is a motor, certainly, can be various motors, and 100 rotations then can as long as it can drive worm screw.
At the center of rotating disk 103, be provided with first mounting hole 1035, and in first mounting hole 1035, be placed with bearing 107; Accordingly, be provided with second mounting hole 1015, pass bearing 107 through securing member 108 in the bottom of first groove 1011 of pedestal 101; And this securing member 108 is fixed in second mounting hole 1015 of pedestal 101, can rotating disk 103 be limited in first groove 1011 of pedestal 101; And can rotate around securing member 108, promptly in pedestal 101, rotate.Securing member 108 in the present embodiment is screws, certainly, also can be the securing member 108 of other type.
Certainly; For in the process of carrying out optical filter 105 replacings; Be convenient to pick and place optical filter 105, be about to optical filter 105 and from first through hole 1031, take out and optical filter 105 is placed in first through hole 1031, the opening part of first through hole 1031 of rotating disk 103 is provided with breach 1036; Like this, be convenient to the operator and pick and place optical filter 105.
Certainly, in order to make optical filter 105 can not drop out from the upper end of rotating disk 103, paster 106 also has been sticked on this rotating disk 103; Match in the upper surface of the profile of this paster 106 and rotating disk 103; And also be provided with second through hole 1061 above that, this second through hole 1061 is corresponding with first through hole 1031, and promptly the position is all corresponding with quantity; And the size of second through hole 1061 is slightly less than first through hole 1031; Like this, the paster 106 that can guarantee to be sticked on rotating disk 103 upper surfaces can stick the optical filter 105 that is placed in first through hole 1031, makes optical filter 105 can from first through hole 1031, not drop out.
In the present embodiment, be placed with four optical filters 105 in the rotating disk 103, these four optical filters 105 are distributed in the rotating disk 103, that is to say, are provided with four first above-mentioned through holes 1031 in the rotating disk 103, and these four first through holes 1031 are evenly distributed in the rotating disk 103.Certainly, according to actual needs, the optical filter 105 of other quantity can be set also; Accordingly; Also must be provided with and corresponding first through hole 1031 of optical filter 105 quantity in the rotating disk 103, to condition of different, first through hole 1031 also can be a uneven distribution; Certainly, the angle of the rotation of rotating disk 103 also changes thereupon.Certainly, second through hole 1061 on the paster 106 is also corresponding with first through hole 1031 of rotating disk 103.
In order to realize the automatic switchover of this switching device of optical fiber 1; This switching device of optical fiber 1 also includes control circuit 109; Power spare in above-mentioned 104 is electrically connected at this control circuit 109; By the running of control circuit 109 control these power spares 104, thus the rotation of control worm screw 100, and then the rotational angle of control rotating disk 103.Certainly, to practice, this control circuit 109 is the certain running program of inner setting, and according to the difference of actual environment, it can control the rotation of rotating disk 103 automatically.
In order to realize the accurate location of rotating disk 103 in rotation process; Be that corresponding optical filter 105 can be aimed at the window 1012 in the pedestal 101, this switching device of optical fiber 1 also includes detection components, is used for the rotation of rotating disk 103 is positioned; This detection components electrically connects control circuit 109; It can detect the rotation of rotating disk 103, and will detect information feedback and give control circuit 109, and control circuit 109 is known the rotation situation of rotating disk 103 according to this detection information; And the running of control power spare 104, realize control to rotating disk 103 rotational angles.In the present embodiment, utilize detection components to combine the rotation of 109 pairs of rotating disks 103 of control circuit to control, make that the rotation of rotating disk 103 is comparatively accurate, just the switching of optical filter 105 is comparatively accurate.
Particularly, the block 1032 that this detection components comprises detecting element 113 and is arranged on rotating disk 103 edges, detecting element 113 are placed in first groove 1011; It can align with the block 1032 of rotating disk 103; And electrically connect control circuit 109, this detecting element 113 passes through to detect the block 1032 on the rotating disk 103, thereby can judge the rotational angle of rotating disk 103; And information passed to control circuit 109, the control circuit 109 and then rotation of rotating disk 103 controlled.
In the present embodiment, detecting element 113 is a photoelectric sensor, certainly, also can be the detecting element 113 of other form.
For the edge that is used to place above-mentioned detecting element 113, the first grooves 1011 has second groove 1013, detecting element 113 can be placed in this second groove 1013, thereby also realizes the detection to the block 1032 of rotating disk 103 edges.
In the present embodiment, switching device of optical fiber 1 also comprises upper cover plate 102, and these upper cover plate 102 lids are located on the pedestal 101; Wherein have and pedestal 101 first grooves 1011 corresponding third through-holes 1021; Should be after on the pedestal 101 when this sheet on this, because third through-hole 1021, it can not cover the optical filter 105 in the rotating disk 103; Thereby, can not stop the transmission of light in this switching device of optical fiber 1.
113 of detecting elements in above-mentioned are arranged on the edge of the third through-hole 1021 of this upper cover plate 102, and when upper cover plate 102 covers after on the pedestal 101, detecting element 113 is placed on second groove 1013 of first groove, 1011 edges just.
In the present embodiment; Because the quantity of optical filter 105 is four, so the quantity of detecting element 113 also is four, accordingly; The quantity of second groove 1013 also is four; Certainly, if variation has taken place the quantity of optical filter 105, corresponding variation also takes place in the quantity of second groove 1013 and detecting element 113.
As shown in Figure 3, be the fundamental diagram of this switching device of optical fiber 1, control circuit 109 can electrically connect with external power source 111 and external signal 112.And power spare 104, detecting element 113 also are electrically connected on this control circuit 109; Running through control circuit 109 control power spares 104; Thereby; Realization is controlled the rotation of rotating disk 103, and then the switching of the optical filter 105 in the control rotating disk 103, in the process that control circuit 109 is controlled; The detecting element 113 that the rotation situation of rotating disk 103 is detected can pass to control circuit 109 with detection information, and control circuit 109 is realized the control to power spare 104 according to this detection information.
Certainly, external signal 112 carries fill order also can for control circuit 109, realizes the control of 109 pairs of power spares 104 of control circuit.
The utility model also provides imaging device; This imaging device has comprised above-mentioned switching device of optical fiber 1; Because this switching device of optical fiber 1 can switch a plurality of optical filters, and its switching accurate positioning, thereby the image quality and the high request of assurance imaging device.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. switching device of optical fiber; It is characterized in that; Comprise pedestal, place said pedestal and rotating rotary disc assembly and place said rotary disc assembly and with several optical filters of said dial rotation; Be provided with the window that can supply extraneous light to pass and can align in the said pedestal, be provided with first groove that is used to place rotating disk in the said pedestal with said optical filter.
2. switching device of optical fiber as claimed in claim 1 is characterized in that, said rotary disc assembly comprises rotating disk, power spare and can drive the worm screw of rotating and driving said dial rotation by said power spare that said several optical filters are distributed in the said rotating disk.
3. switching device of optical fiber as claimed in claim 2; It is characterized in that; Said rotating disk is the toothed disc that can cooperate with said worm screw; Be provided with several in the rotating disk and be used to first through hole placing said optical filter and run through said rotating disk, the inwall of said first through hole is provided with the flange that can prop up said optical filter.
4. switching device of optical fiber as claimed in claim 3 is characterized in that the opening part of said first through hole is provided with the breach of being convenient to pick and place said optical filter.
5. like each described switching device of optical fiber of claim 1 to 4; It is characterized in that; Also comprise the control circuit of the said power spare of may command operation and can detect the rotation of said rotating disk and detection information is passed to the detection components of said control circuit that said power spare and said detection components are electrically connected at said control circuit.
6. switching device of optical fiber as claimed in claim 5; It is characterized in that; Said detection components comprise the block of being located at said disk edge place and can through with the detecting element of the rotational angle of the said rotating disk of said block alignment detection, said detecting element is electrically connected at said control circuit.
7. like each described switching device of optical fiber of claim 1 to 4; It is characterized in that; Also comprise the paster that is attached on the said rotating disk and can touch said optical filter, be provided with in the said paster run through said paster and with corresponding second through hole of said first through hole.
8. like each described switching device of optical fiber of claim 5; It is characterized in that; Also comprise upper cover plate; Be provided with in the said upper cover plate and the corresponding third through-hole of said first groove, said detecting element is fixed in said upper cover plate, and the edge of said first groove is provided with second groove that can hold said detecting element.
9. like each described switching device of optical fiber of claim 1 to 4, it is characterized in that said several optical filters are distributed in the said rotating disk.
10. imaging device is characterized in that, comprises the switching device of optical fiber in each claim of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204893549U CN202362573U (en) | 2011-11-30 | 2011-11-30 | Optical filter switching device and imaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204893549U CN202362573U (en) | 2011-11-30 | 2011-11-30 | Optical filter switching device and imaging device |
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| Publication Number | Publication Date |
|---|---|
| CN202362573U true CN202362573U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204893549U Expired - Fee Related CN202362573U (en) | 2011-11-30 | 2011-11-30 | Optical filter switching device and imaging device |
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| CN (1) | CN202362573U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135322A (en) * | 2011-11-30 | 2013-06-05 | 赵超 | Optical filter shifting device and imaging equipment |
| CN103309739A (en) * | 2013-05-31 | 2013-09-18 | 西安应用光学研究所 | Switching positioning control method for optical filtering assembly |
| CN104037601A (en) * | 2014-06-13 | 2014-09-10 | 南京诺派激光技术有限公司 | Adjustable saturable absorbing device, production method of adjustable saturable absorbing device and application of adjustable saturable absorbing device in time domain output mode adjustable optical fiber pulse laser device |
| CN105513251A (en) * | 2015-12-10 | 2016-04-20 | 天津艾思科尔科技有限公司 | Detector for fire hazard detection |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
-
2011
- 2011-11-30 CN CN2011204893549U patent/CN202362573U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103135322A (en) * | 2011-11-30 | 2013-06-05 | 赵超 | Optical filter shifting device and imaging equipment |
| CN103135322B (en) * | 2011-11-30 | 2016-04-27 | 赵超 | Switching device of optical fiber and imaging device |
| CN103309739A (en) * | 2013-05-31 | 2013-09-18 | 西安应用光学研究所 | Switching positioning control method for optical filtering assembly |
| CN103309739B (en) * | 2013-05-31 | 2016-03-02 | 西安应用光学研究所 | The switching position control method of filtering assembly |
| CN104037601A (en) * | 2014-06-13 | 2014-09-10 | 南京诺派激光技术有限公司 | Adjustable saturable absorbing device, production method of adjustable saturable absorbing device and application of adjustable saturable absorbing device in time domain output mode adjustable optical fiber pulse laser device |
| CN105513251A (en) * | 2015-12-10 | 2016-04-20 | 天津艾思科尔科技有限公司 | Detector for fire hazard detection |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20141130 |
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| EXPY | Termination of patent right or utility model |