CN110955008A - Mounting structure of large-view-field and large-sweep-angle infrared guidance lens and working method thereof - Google Patents
Mounting structure of large-view-field and large-sweep-angle infrared guidance lens and working method thereof Download PDFInfo
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- CN110955008A CN110955008A CN201911305375.8A CN201911305375A CN110955008A CN 110955008 A CN110955008 A CN 110955008A CN 201911305375 A CN201911305375 A CN 201911305375A CN 110955008 A CN110955008 A CN 110955008A
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- thermal imager
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
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Abstract
The invention relates to a mounting structure of an infrared guidance lens with a large view field and a large sweep angle and a working method thereof. The thermal imager has the advantages of reasonable structure and simple and convenient operation, the infrared lens and the thermal imager are connected into a whole through the first mounting seat and the second mounting seat, the size is small, the weight is light, larger vibration impact can be borne, the detection visual field is large, and the target detection capability is strong.
Description
Technical Field
The invention relates to an installation structure of an infrared guidance lens with a large view field and a large sweep angle and a working method thereof.
Background
The main task of modern high-tech weapon systems is to strike the target precisely. The accurate guided weapon is one of the main means of accurate strike, and plays an important role in the information-based war.
The seeker has good tracking and capturing performance, and the technology of the seeker becomes the core technology of accurately guiding weapons. The guide head position marker is a core component of the guide head, and the detection visual field component is an important component in the position marker. It receives the infrared energy radiation of fixed wave band and forms corresponding electric signal. Under the control of the marker scanning mechanism and the information processor, the servo and scanning mechanism drives the infrared guide lens assembly to realize the two-dimensional movement of azimuth and elevation so as to achieve the functions of target searching, reconnaissance, carrier disturbance isolation, static and moving target tracking and the like; the position marker scanning mechanism is matched with the information processor to measure the included angle between the optical axis and the mechanical axis and the disturbance speed of the optical axis, and generation of various information is completed.
The existing infrared guidance lens is shown in fig. 1, and the optical performance indexes of the existing infrared guidance lens are as follows: focal length
=75 mm; relative pore diameter
= 1/2; the field angle is 7.2 degrees multiplied by 5,8 degrees; is suitable for RM3, 320 multiplied by 256 pixel medium wave refrigeration detector, and the pixel interval is 30
The thermal imager.
According to the optical performance indexes, the defects of small detection visual field and weak target detection capability of the existing infrared guidance lens are overcome, and meanwhile, the infrared lens is large in size and heavy in weight.
Disclosure of Invention
In view of the above, the present invention provides an installation structure of an infrared guidance lens with a large field of view and a large sweep angle and a working method thereof, the installation structure is reasonable in structure and simple and convenient to operate, the infrared lens and a thermal imager are connected into a whole through a first installation seat and a second installation seat, the size is small, the weight is light, the large vibration impact can be borne, the detection field of view is large, and the target detection capability is strong.
The technical scheme of the invention is as follows: the mounting structure of the large-view-field and large-sweep-angle infrared guidance lens comprises an infrared lens, wherein a first connecting seat used for fixedly mounting the infrared lens is arranged at the rear end of the infrared lens, a thermal imager coaxial with the infrared lens and used for receiving an image of the infrared lens is further arranged at the rear end of the infrared lens, and a second connecting seat used for fixedly mounting the thermal imager is arranged on the first connecting seat.
Furthermore, a first screw hole for locking and fixing the second connecting seat is arranged at the rear end of the first connecting seat.
Furthermore, the second connecting seat comprises an outer ring fixing ring, a first mounting hole coaxial with the first screw hole is formed in the outer ring fixing ring, a limiting seat used for preventing the thermal imager from rotating is arranged on the outer ring fixing ring, a mounting plate used for fixedly mounting the thermal imager and horizontally facing the thermal imager is further arranged on the outer ring fixing ring, and a second mounting hole used for locking and fixing the thermal imager is formed in the mounting plate.
Furthermore, a second screw hole matched with the mounting hole is formed in the upper end of the thermal imager.
Furthermore, a cold diaphragm and a target surface of the infrared lens are positioned on the thermal imager.
The invention provides another technical scheme that the working method of the installation structure of the large-view-field and large-scan-angle infrared guidance lens comprises the following steps: when the thermal imager works, the infrared lens is locked at the front end of the first mounting seat by using a screw, then the infrared lens is screwed into the second screw hole by using a bolt to penetrate through the second mounting hole, and the thermal imager is locked on the mounting plate of the second mounting seat; and aligning the first mounting hole of the second mounting seat with the first screw hole of the first mounting seat, screwing the first mounting seat into the first screw hole by using a bolt to penetrate through the first mounting hole, fixing the first mounting seat and the second mounting seat, and positioning the cold light diaphragm and the target surface of the infrared lens on the thermal imager at the moment.
Compared with the prior art, the invention has the beneficial effects that: the thermal imager has the advantages of reasonable structure and simple and convenient operation, the infrared lens and the thermal imager are connected into a whole through the first mounting seat and the second mounting seat, the size is small, the weight is light, larger vibration impact can be borne, the detection visual field is large, and the target detection capability is strong.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an infrared lens according to an embodiment of the present invention;
FIG. 3 is a left side view of the embodiment of FIG. 2;
FIG. 4 is a schematic structural diagram of a first connecting base according to an embodiment of the invention;
FIG. 5 is a front view of a second connecting seat according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of the structure A-A of FIG. 5 according to an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of B-B shown in FIG. 6 according to an embodiment of the present invention;
in the figure: 100-an infrared lens; 110-cold light diaphragm; 120-target surface; 200-a first connection mount; 210-a first screw hole; 300-a thermal imager; 400-a second connecting seat; 410-outer ring fixing ring; 420-a first mounting hole; 430-a limiting seat; 440-a mounting plate; 450-second mounting hole.
Detailed Description
As shown in fig. 1 to 7, an installation structure of an infrared guidance lens with a large field of view and a large sweep angle includes an infrared lens 100, a first connecting seat 200 for fixedly installing the infrared lens 100 is disposed at a rear end of the infrared lens 100, a thermal imager 300 coaxial with the infrared lens 100 and for receiving an image of the infrared lens 100 is further disposed at a rear end of the infrared lens 100, and a second connecting seat 400 for fixedly installing the thermal imager 300 is disposed on the first connecting seat 200. The infrared lens 100 is fixed at the front end of the first connecting seat 200 through bolts, the second connecting seat 400 is fixed at the rear end of the first connecting seat 200 through bolts, and the thermal imager 300 is fixed and locked on the second connecting seat 400, so that the thermal imager 300 and the infrared lens 100 are connected into a whole, the size is small, the weight is light, larger vibration impact can be borne, the detection visual field is large, and the target detection capability is strong.
In this embodiment, the first screw hole 210 for locking and fixing the second connecting seat 400 is disposed at the rear end of the first connecting seat 200.
In this embodiment, the second connection seat 400 includes an outer ring fixing ring 410, a first mounting hole 420 coaxial with the first screw hole 210 is disposed on the outer ring fixing ring 410, a limiting seat 430 for preventing the thermal imager 300 from rotating is disposed on the outer ring fixing ring 410, a horizontally-oriented mounting plate 440 for fixedly mounting the thermal imager 300 is further disposed on the outer ring fixing ring 410, and a second mounting hole 450 for locking and fixing the thermal imager 300 is disposed on the mounting plate 440. The mounting plate 440 is horizontally oriented, connection with the first connecting seat 200 is facilitated, the mounting space is reasonably utilized, and the overall size after mounting is reduced.
In this embodiment, a second screw hole matched with the mounting hole is provided at the upper end of the thermal imager 300. The upper end of the thermal imager 300 is provided with a second screw hole, and the thermal imager 300 can be horizontally fixed on the second connecting seat 400.
In this embodiment, the cold stop 110 and the target surface 120 of the infrared lens 100 are located on the thermal imager 300.
A working method of an installation structure of a large-view-field and large-sweep-angle infrared guidance lens comprises the following steps: during operation, the infrared lens 100 is locked at the front end of the first mounting base by using screws, and then the thermal imager 300 is locked on the mounting plate 440 of the second mounting base by using bolts to penetrate through the second mounting holes 450 and screw into the second screw holes; next, the first mounting hole 420 of the second mounting base is aligned with the first screw hole 210 of the first mounting base, and the first mounting base and the second mounting base are fixed by screwing the bolt into the first screw hole 210 through the first mounting hole 420, at which time the cold light fence 110 and the target surface 120 of the infrared lens 100 are positioned on the thermal imager 300.
The above-mentioned operation flow and software and hardware configuration are only used as the preferred embodiment of the present invention, and not to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or directly or indirectly applied to the related art, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a mounting structure of infrared guidance camera lens of big visual field, angle of sweeping greatly which characterized in that: the thermal imaging system comprises an infrared lens, wherein a first connecting seat used for fixedly mounting the infrared lens is arranged at the rear end of the infrared lens, a thermal imaging system coaxial with the infrared lens and used for receiving an image of the infrared lens is further arranged at the rear end of the infrared lens, and a second connecting seat used for fixedly mounting the thermal imaging system is arranged on the first connecting seat.
2. The large-field-of-view, large-sweep-angle infrared guidance lens mounting structure of claim 1, characterized in that: the rear end of the first connecting seat is provided with a first screw hole for locking and fixing the second connecting seat.
3. The large-field-of-view, large-sweep-angle infrared guidance lens mounting structure of claim 2, characterized in that: the second connecting seat comprises an outer ring fixing ring, a first mounting hole coaxial with the first screw hole is formed in the outer ring fixing ring, a limiting seat used for preventing the thermal imager from rotating is arranged on the outer ring fixing ring, a mounting plate used for fixedly mounting the thermal imager and horizontally facing the thermal imager is further arranged on the outer ring fixing ring, and a second mounting hole used for locking and fixing the thermal imager is formed in the mounting plate.
4. The large-field-of-view, large-sweep-angle infrared guidance lens mounting structure of claim 3, characterized in that: and a second screw hole matched with the mounting hole is formed in the upper end of the thermal imager.
5. The large-field-of-view, large-sweep-angle infrared guidance lens mounting structure of claim 4, characterized in that: the cold light diaphragm and the target surface of the infrared lens are positioned on the thermal imager.
6. A method of operating a mounting structure for a large field-of-view, large-sweep-angle infrared guidance lens, comprising the mounting structure for a large field-of-view, large-sweep-angle infrared guidance lens of claim 5, characterized in that: when the thermal imager works, the infrared lens is locked at the front end of the first mounting seat by using a screw, then the infrared lens is screwed into the second screw hole by using a bolt to penetrate through the second mounting hole, and the thermal imager is locked on the mounting plate of the second mounting seat; and aligning the first mounting hole of the second mounting seat with the first screw hole of the first mounting seat, screwing the first mounting seat into the first screw hole by using a bolt to penetrate through the first mounting hole, fixing the first mounting seat and the second mounting seat, and positioning the cold light diaphragm and the target surface of the infrared lens on the thermal imager at the moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305375.8A CN110955008A (en) | 2019-12-18 | 2019-12-18 | Mounting structure of large-view-field and large-sweep-angle infrared guidance lens and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911305375.8A CN110955008A (en) | 2019-12-18 | 2019-12-18 | Mounting structure of large-view-field and large-sweep-angle infrared guidance lens and working method thereof |
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|---|---|
| CN110955008A true CN110955008A (en) | 2020-04-03 |
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|---|---|---|---|
| CN201911305375.8A Pending CN110955008A (en) | 2019-12-18 | 2019-12-18 | Mounting structure of large-view-field and large-sweep-angle infrared guidance lens and working method thereof |
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Citations (14)
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|---|---|---|---|---|
| EP0762173B1 (en) * | 1995-09-06 | 2001-01-17 | Raytheon Company | Thermal imaging device |
| CN101833168A (en) * | 2010-05-06 | 2010-09-15 | 中国科学院西安光学精密机械研究所 | Infrared detection device using reverse compensation heat dissipation design |
| CN201698079U (en) * | 2010-05-19 | 2011-01-05 | 福建福光数码科技有限公司 | Medium wave infrared reconnaissance tracking lens |
| CN201993172U (en) * | 2011-03-12 | 2011-09-28 | 福建福光数码科技有限公司 | Medium infrared dual field integrated thermal imaging system |
| CN102289055A (en) * | 2011-08-25 | 2011-12-21 | 福建福光数码科技有限公司 | Uncooled long-wave infrared camera lens |
| US20140254033A1 (en) * | 2013-03-05 | 2014-09-11 | Exelis, Inc. | Translational optic alignment locking device |
| CN204064613U (en) * | 2014-09-05 | 2014-12-31 | 西安邮电大学 | A kind of multichannel light electric system light axis consistency adjusting gear |
| CN204142365U (en) * | 2014-10-30 | 2015-02-04 | 浙江雷邦光电技术有限公司 | A kind of single lens reflex type thermal infrared imager |
| CN204301865U (en) * | 2014-12-10 | 2015-04-29 | 武汉巨合科技有限公司 | Very-long-range observation refrigeration-type infrared thermography |
| CN104991332A (en) * | 2015-07-15 | 2015-10-21 | 湖北久之洋红外系统股份有限公司 | Continuous zooming non-refrigeration thermal infrared imager |
| CN105467587A (en) * | 2015-11-26 | 2016-04-06 | 宝鸡市京德力科技有限公司 | Night vision instrument mounting mechanism for helmet |
| CN208044178U (en) * | 2018-04-03 | 2018-11-02 | 中船重工中南装备有限责任公司 | Lightweight continuous vari-focus Uncooled infrared camera |
| CN108873185A (en) * | 2017-05-09 | 2018-11-23 | 中国航空制造技术研究院 | A kind of fast assembling-disassembling exempts from debugging formula photodetector attachment device |
| CN209513057U (en) * | 2019-04-01 | 2019-10-18 | 孙飞 | A kind of CAMERALINK thermal infrared imager of integrated TIOX detector |
-
2019
- 2019-12-18 CN CN201911305375.8A patent/CN110955008A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0762173B1 (en) * | 1995-09-06 | 2001-01-17 | Raytheon Company | Thermal imaging device |
| CN101833168A (en) * | 2010-05-06 | 2010-09-15 | 中国科学院西安光学精密机械研究所 | Infrared detection device using reverse compensation heat dissipation design |
| CN201698079U (en) * | 2010-05-19 | 2011-01-05 | 福建福光数码科技有限公司 | Medium wave infrared reconnaissance tracking lens |
| CN201993172U (en) * | 2011-03-12 | 2011-09-28 | 福建福光数码科技有限公司 | Medium infrared dual field integrated thermal imaging system |
| CN102289055A (en) * | 2011-08-25 | 2011-12-21 | 福建福光数码科技有限公司 | Uncooled long-wave infrared camera lens |
| US20140254033A1 (en) * | 2013-03-05 | 2014-09-11 | Exelis, Inc. | Translational optic alignment locking device |
| CN204064613U (en) * | 2014-09-05 | 2014-12-31 | 西安邮电大学 | A kind of multichannel light electric system light axis consistency adjusting gear |
| CN204142365U (en) * | 2014-10-30 | 2015-02-04 | 浙江雷邦光电技术有限公司 | A kind of single lens reflex type thermal infrared imager |
| CN204301865U (en) * | 2014-12-10 | 2015-04-29 | 武汉巨合科技有限公司 | Very-long-range observation refrigeration-type infrared thermography |
| CN104991332A (en) * | 2015-07-15 | 2015-10-21 | 湖北久之洋红外系统股份有限公司 | Continuous zooming non-refrigeration thermal infrared imager |
| CN105467587A (en) * | 2015-11-26 | 2016-04-06 | 宝鸡市京德力科技有限公司 | Night vision instrument mounting mechanism for helmet |
| CN108873185A (en) * | 2017-05-09 | 2018-11-23 | 中国航空制造技术研究院 | A kind of fast assembling-disassembling exempts from debugging formula photodetector attachment device |
| CN208044178U (en) * | 2018-04-03 | 2018-11-02 | 中船重工中南装备有限责任公司 | Lightweight continuous vari-focus Uncooled infrared camera |
| CN209513057U (en) * | 2019-04-01 | 2019-10-18 | 孙飞 | A kind of CAMERALINK thermal infrared imager of integrated TIOX detector |
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Application publication date: 20200403 |