CN218446130U - Coaxial adjusting device of infrared binocular optical equipment of high accuracy - Google Patents
Coaxial adjusting device of infrared binocular optical equipment of high accuracy Download PDFInfo
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- CN218446130U CN218446130U CN202221590743.5U CN202221590743U CN218446130U CN 218446130 U CN218446130 U CN 218446130U CN 202221590743 U CN202221590743 U CN 202221590743U CN 218446130 U CN218446130 U CN 218446130U
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Abstract
The utility model discloses a high-precision coaxial adjusting device for infrared binocular optical equipment, which comprises an optical platform, infrared binocular optical imaging equipment, a black body, two translation guide rails and two coaxial adjusting tools, wherein the infrared binocular optical imaging equipment, the black body and the two translation guide rails are arranged on the optical platform; the infrared binocular optical imaging equipment comprises two infrared binocular optical lenses and an imaging component fixed at one end of each infrared binocular optical lens; an optical axis leading-out tool is fixed at the optical axis output end of the infrared binocular optical imaging equipment, and an optical axis leading-out reticle is fixed on the optical axis leading-out tool. The utility model discloses can effectively reduce the mechanical error and the measuring error of punching in-process, improve the precision of coaxial debugging, effectively reduce the probability that two mesh camera imaging in-process visual field overlap, can obtain better image.
Description
Technical Field
The utility model relates to an optical engineering field, concretely relates to coaxial adjusting device of infrared binocular optical equipment of high accuracy.
Background
Because the infrared optical imaging equipment has a special imaging mode, the infrared optical imaging equipment is an important component of various aerospace rocket-borne flight devices, and can provide monitoring and control of video images according to different task requirements. The infrared binocular optical equipment requires that the optical axis of the optical system and the central normal of the target surface have higher coincidence precision, and the binocular lens always keeps the center of the visual field parallel. The existing optical system and the central normal of the imaging target surface are coaxial and adopt an observation target method.
The main method steps of the observation target method are as follows: fixing the optical imaging device on the optical platform; measuring the vertical height d from the center of an optical lens in the optical imaging equipment to the optical platform by taking the optical platform as a reference surface; placing the target object at the far end of the optical imaging device, ensuring that the target object and the optical imaging device are in the same spatial plane, and marking the target object by taking d as a reference; the display generates an electric cross wire, namely the center of the target surface of the optical imaging equipment, and the electric cross wire is superposed with the marking point of the target object by adjusting the relative position of the target surface and the optical lens to complete coaxial adjustment; the coaxial adjusting method for the normal line of the target surface of the imaging device and the optical axis of the optical system is low in precision, and the probability of view field overlapping during imaging is easily increased if the coaxial adjusting method is applied to the coaxial adjusting of the optical axis of the binocular optical device. Therefore, it is necessary to provide a coaxial adjusting device for infrared binocular optical equipment with better coaxial precision.
SUMMERY OF THE UTILITY MODEL
The aforesaid is not enough to prior art, the utility model provides a coaxial adjusting device of coaxial better infrared binocular optical equipment of coaxial precision.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model is as follows: the device comprises an optical platform, infrared binocular optical imaging equipment, a black body, two translation guide rails and two coaxial adjusting tools, wherein the infrared binocular optical imaging equipment, the black body and the two translation guide rails are arranged on the optical platform; the infrared binocular optical imaging equipment comprises two infrared binocular optical lenses and an imaging assembly fixed at one end of each infrared binocular optical lens; a light axis leading-out tool is fixed at the light axis output end of the infrared binocular optical imaging equipment, and a light axis leading-out reticle is fixed on the light axis leading-out tool; the two translation guide rails are parallel to the axis of the infrared binocular optical lens.
Further, the coaxial adjusting tool comprises a main reticle assembly, a connecting end connected with the mounting base and a main mounting end for fixing the main reticle assembly, wherein the connecting end is connected with the bottom of the main mounting end, and a main countersunk through hole for mounting the main reticle assembly is formed in the main mounting end; the connecting end is further provided with a secondary mounting end, a secondary countersunk through hole is formed in the secondary mounting end and provided with a secondary reticle, and the axis of the main countersunk through hole is perpendicular to that of the secondary countersunk through hole.
Furthermore, the main dividing plate assembly comprises a dividing plate lens seat, a main dividing plate and a dividing plate pressing ring, the dividing plate lens seat is installed in the main countersunk head through hole, and the dividing plate is fixed in the dividing plate lens seat by the dividing plate pressing ring.
Furthermore, the infrared binocular optical imaging device further comprises a display, and the display is electrically connected with the infrared binocular optical imaging device.
Furthermore, an imaging device support is further arranged outside the infrared binocular optical lens, the upper end of the imaging device support is sleeved outside the infrared binocular optical lens, and the lower end of the imaging device support is fixed on the optical platform.
Furthermore, the mounting base comprises a connecting portion and a U-shaped guide portion, wherein the connecting portion is connected with the coaxial adjusting tool, the U-shaped guide portion is matched with the translation guide rail, and the connecting portion is fixedly connected with the U-shaped guide portion.
Furthermore, the connecting part and the connecting end are connected through a plurality of screws, a threaded hole is formed in the connecting part, and a counter bore is correspondingly formed in the connecting end.
Furthermore, each screw is provided with a trimming pad, and the trimming pads are located between the mounting base and the coaxial adjusting tool.
Furthermore, four strip-shaped holes are further formed in the edge of the countersunk through hole, and the four strip-shaped holes are distributed in a cross shape.
Further, the main reticle, the secondary reticle and the optical axis leading-out reticle are cross-shaped reticle, the diameter of the main reticle is 40mm, the diameter of the secondary reticle is 10mm, and the diameter of the optical axis leading-out reticle is 30mm.
The utility model has the advantages that: the utility model discloses can be used to the coaxial debugging of the infrared binocular optical equipment in space flight arrow field to solve the lower problem of coaxial precision that current equipment caused because factors such as the process control is not enough. The utility model discloses contain display and optical platform and be used for accomplishing coaxial frock clamp of coaxial adjustment, the coaxial adjustment frock on the high accuracy guide rail can be adjusted through horizontal translation according to the technical requirement when optical equipment uses. The utility model discloses simple structure, easy realization, but wide application in engineering practice, especially scientific research and production research and development stage can ensure to have the parallel light of higher accuracy after the coaxial adjustment of infrared binocular optical equipment. The utility model discloses an optical axis draws forth the frock and draws forth the optical axis, plays a positioning adjustment effect to the optical axis, ensures that infrared binocular optical equipment's optical axis is in the parallel state, can effectively reduce mechanical error and the measuring error of punching the in-process, improves the precision of coaxial debugging, effectively reduces the probability that the two mesh camera imaging process intermediate view field overlaps to obtain better image.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of optical axis extraction adjustment of an infrared binocular optical imaging apparatus;
FIG. 3 is a schematic coaxial view of a coaxial adjustment tool;
FIG. 4 is an exploded view of the coaxial adjustment tool;
FIG. 5 is a schematic coaxial view of a main reticle assembly;
fig. 6 is a front view of the coaxial adjustment tool.
Wherein the symbols of the components are as follows;
1. an optical platform; 2. infrared binocular optical imaging equipment; 3. a black body; 4. a display; 5. a translation guide rail; 6. coaxially adjusting a tool; 7. mounting a base; 8. a grating scale; 9. a theodolite; 10. a four-dimensional adjusting table; 11. a limiting block;
21. an imaging assembly; 22. an infrared binocular optical lens; 23. an imaging device mount; 24. an optical axis leading-out tool; 25. leading out a differentiation plate from an optical axis;
61. a main reticle assembly; 62. a connecting end; 63. a main mounting end; 64. a secondary mounting end; 65. a secondary reticle; 611. a differentiation board mirror base; 612. a primary differentiation plate; 613. pressing a ring by a differentiation plate;
71. a connecting portion; 72. a U-shaped guide portion.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1-6, the device comprises an optical platform 1, an infrared binocular optical imaging device 2, a black body 3, two translation guide rails 5, and two coaxial adjusting tools 6 respectively fixed on the translation guide rails 5, wherein the translation guide rails 5 are provided with mounting bases 7, and the coaxial adjusting tools 6 are mounted on the translation guide rails 5 through the mounting bases 7; the infrared binocular optical imaging device 3 comprises two infrared binocular optical lenses 22 and an imaging assembly 21 fixed at one end of the infrared binocular optical lenses 22; an optical axis leading-out tool 24 is fixed at the optical axis output end of the infrared binocular optical imaging device 2, and an optical axis leading-out reticle 25 is fixed on the optical axis leading-out tool 24; the two translation guide rails 5 are parallel to the axis of the infrared binocular optical lens 22.
The coaxial adjusting tool 6 comprises a main reticle assembly 61, a connecting end 62 connected with the mounting base 7 and a main mounting end 63 for fixing the main reticle assembly 61, wherein the connecting end 62 is connected with the bottom of the main mounting end 63, and a main countersunk through hole for mounting the main reticle assembly 61 is formed in the main mounting end 63; the connecting end 62 is further provided with a secondary mounting end 64, the secondary mounting end 64 is provided with a secondary countersunk through hole, the secondary countersunk through hole is provided with a secondary reticle 65, and the axes of the primary countersunk through hole and the secondary countersunk through hole are vertical.
The main reticle assembly 61 comprises a differentiation board microscope base 611, a main differentiation board 612 and a differentiation board clamping ring 613, wherein the differentiation board microscope base 611 is arranged in the main countersunk through hole, and the differentiation board clamping ring 613 fixes the differentiation board 612 in the differentiation board microscope base 611.
The infrared binocular optical imaging device further comprises a display 4, and the display 4 is electrically connected with the infrared binocular optical imaging device 2 through the display 2.
An imaging device support 23 is further arranged outside the infrared binocular optical lens 22, the upper end of the imaging device support 23 is sleeved outside the infrared binocular optical lens 22, and the lower end of the imaging device support 23 is fixed on the optical platform 1.
The mounting base 7 comprises a connecting portion 71 connected with the coaxial adjusting tool 6 and a U-shaped guide portion 72 matched with the translation guide rail 5, and the connecting portion 71 is fixedly connected with the U-shaped guide portion 72.
The connecting portion 71 and the connecting end 62 are connected through a plurality of screws 73, threaded holes are formed in the connecting portion 71, countersunk holes are correspondingly formed in the connecting end 62, and preferably, the screws 73 are distributed in four positions in an array mode.
Each screw is provided with a trimming pad, and the trimming pads are positioned between the mounting base 7 and the coaxial adjusting tool 6.
The edge of the countersunk head through hole is also provided with four strip-shaped holes which are distributed in a cross shape.
The main division plate, the secondary division plate and the optical axis leading-out division plate are cross-shaped division plates, the diameter of the main division plate is 40mm, the diameter of the secondary division plate is 10mm, and the diameter of the optical axis leading-out division plate is 30mm.
The operation steps of utilizing the high-precision infrared binocular optical equipment coaxial adjusting device are as follows:
s1: leading out an optical axis of the infrared binocular optical imaging equipment:
the method comprises the following steps of (1) taking the excircle of any optical lens in infrared binocular optical equipment and the front end face of the lens as references, and leading out the optical axis of the lens; this frock subassembly is drawn forth frock 24 and optical axis and is drawn forth differentiation board 25 by the optical axis and constitute, and frock 24 is drawn forth the picture frame that differentiation board 25 was drawn forth for the installation optical axis to the optical axis. Through optical centering processing, the optical axis leading-out differentiation plate 25 and the infrared binocular optical lens 22 have coincident optical axes and are installed in place with the front end face of the lens;
s2: connecting the infrared binocular optical lens 22 in the step S1 with an imaging device bracket 23, and installing the infrared binocular optical lens on the optical platform 1; guiding the optical axis of the optical lens with the optical axis led out of the differentiation plate 25 in the S1 into the theodolite 9 by adopting a self-aligning and core-penetrating method; the bottom of the theodolite 9 is generally provided with a four-dimensional adjusting table 10;
s3: the translation guide rail 5, the mounting base 7 and the coaxial adjusting tool 6 are sequentially mounted on the optical platform 1 and are arranged between the infrared binocular optical imaging device 2 and the theodolite 9, the translation guide rail is translated to a proper position through the mounting base 7, and the limiting block 11 is used for fixing. The main reticle assembly, the connecting end 62 and the main mounting end 63 in the coaxial adjusting tool 6 are centered and mounted in place by the same method as the method S1;
s4: by using the theodolite 9 and repairing and grinding a trimming pad between the coaxial adjusting tool 6 and the mounting base 7, a main dividing plate component 61 in the coaxial adjusting tool 6 is superposed with a cross wire in the theodolite 9;
s5: connecting a display 4 with the infrared binocular optical imaging equipment 2, and enabling the display 4 to automatically generate electric cross hairs, namely the center of the infrared binocular optical lens imaging plate;
s6: placing the black body 3 behind the coaxial adjusting tool 6 in the step S4, and removing the main reticle assembly 61 in the coaxial adjusting tool 6, wherein an image of the coaxial adjusting tool 6 appears in the display at the moment, namely the image is a white cross-hair image;
s7: the relative position of the center of the infrared binocular optical lens imaging plate and the lens is adjusted, so that the cross wire automatically generated by the display 4 is superposed with the cross wire of the formed image, and the coaxial adjustment of the lens is completed.
S8: according to the steps S1-S7, completing coaxial adjustment of the other infrared binocular optical lens 22, and completing centering processing and installing in place of the secondary reticle 65 and the secondary installation end 64 in the tool clamp after the coaxial adjustment through an optical centering method;
s9: the same optical centering method is adopted for completing centering processing and sequentially installing a differentiation plate microscope seat 611, a main differentiation 612, a differentiation plate pressing ring 613, a secondary installation end 64 and a secondary division plate 65 in a main division plate assembly 6 in a coaxial tool clamp 6 which does not finish coaxial adjustment;
s10: the theodolite 9 is used, a secondary reticle in the coaxial tool clamp 6 which is coaxially adjusted is taken as a reference, the two secondary mounting ends 64 are subjected to trimming and grinding to finish coaxial adjustment, and are fixed by using screws and limiting blocks 11;
s11: guiding the optical axis of the infrared optical lens which is not coaxially adjusted by adopting the same method according to the steps S1-S7, and performing self-alignment and center penetration with the theodolite 9;
s12: the same adjustment method is adopted for the infrared binocular optical lenses 22 which are not finished with coaxial adjustment, and coaxial adjustment of the infrared binocular optical lenses 22 is further finished through reverse adjustment, so that all the infrared binocular optical lenses 22 are finished with coaxial adjustment.
The black body is a standard object for heat radiation research, and the infrared optical equipment can finish high-precision debugging work through the provided standard heat source.
Claims (8)
1. The utility model provides a coaxial adjusting device of infrared binocular optical equipment of high accuracy which characterized in that: the device comprises an optical platform (1), infrared binocular optical imaging equipment (2), a black body (3), two translation guide rails (5) and two coaxial adjusting tools (6), wherein the infrared binocular optical imaging equipment, the black body (3) and the two translation guide rails (5) are arranged on the optical platform (1), the two coaxial adjusting tools (6) are respectively fixed on the translation guide rails (5), a mounting base (7) is arranged on each translation guide rail (5), and the coaxial adjusting tools (6) are arranged on the translation guide rails (5) through the mounting bases (7);
the infrared binocular optical imaging device (2) comprises two infrared binocular optical lenses (22) and an imaging assembly (21) fixed at one end of each infrared binocular optical lens (22); an optical axis leading-out tool (24) is fixed at the optical axis output end of the infrared binocular optical imaging equipment (2), and an optical axis leading-out reticle (25) is fixed on the optical axis leading-out tool (24); the two translation guide rails (5) are parallel to the axis of the infrared binocular optical lens (22);
the coaxial adjusting tool (6) comprises a main reticle assembly (61), a connecting end (62) connected with the mounting base (7) and a main mounting end (63) for fixing the main reticle assembly (61), wherein the connecting end (62) is connected with the bottom of the main mounting end (63), and a main countersunk through hole for mounting the main reticle assembly (61) is formed in the main mounting end (63); still be provided with on link (62) time installation end (64), be provided with time countersunk head through-hole on time installation end (64), time countersunk head through-hole is provided with inferior graticule (65), the axis of main countersunk head through-hole and time countersunk head through-hole is perpendicular.
2. The coaxial adjustment device of high precision infrared binocular optical apparatus of claim 1, wherein the main reticle assembly (61) includes a differentiation board lens mount (611), a main differentiation board (612) and a differentiation board clamping ring (613), the differentiation board lens mount (611) is installed in the main countersunk through hole, the differentiation board clamping ring (613) fixes the main differentiation board (612) in the differentiation board lens mount (611).
3. The coaxial adjusting device of high accuracy infrared binocular optical equipment according to claim 1, further comprising a display (4), the display (4) being electrically connected to the infrared binocular optical imaging equipment (2).
4. The coaxial adjusting device of high accuracy infrared binocular optical equipment according to claim 1, wherein an imaging equipment bracket (23) is further arranged outside the infrared binocular optical lens (22), the upper end of the imaging equipment bracket (23) is sleeved outside the infrared binocular optical lens (22), and the lower end of the imaging equipment bracket (23) is fixed on the optical platform (1).
5. The coaxial adjusting device of high-precision infrared binocular optical equipment according to claim 1, wherein the mounting base (7) comprises a connecting portion (71) connected with the coaxial adjusting tool (6) and a U-shaped guide portion (72) matched with the translation guide rail (5), and the connecting portion (71) is fixedly connected with the U-shaped guide portion (72).
6. The coaxial adjustment device of high precision infrared binocular optical equipment, according to claim 5, wherein the connecting portion (71) and the connecting end (62) are connected by a plurality of screws (73), the connecting portion (71) is provided with a threaded hole, and the connecting end (62) is correspondingly provided with a counter bore.
7. The coaxial adjustment device of high precision infrared binocular optical apparatus of claim 6, wherein each of the screws has a trimming pad located between the mounting base (7) and the coaxial adjustment fixture (6).
8. The coaxial adjusting device of high accuracy infrared binocular optical equipment of claim 2, wherein the primary reticle, the secondary reticle and the optical axis extraction reticle are cross reticles, the diameter of the primary reticle is 40mm, the diameter of the secondary reticle is 10mm and the diameter of the optical axis extraction reticle is 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590743.5U CN218446130U (en) | 2022-06-23 | 2022-06-23 | Coaxial adjusting device of infrared binocular optical equipment of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221590743.5U CN218446130U (en) | 2022-06-23 | 2022-06-23 | Coaxial adjusting device of infrared binocular optical equipment of high accuracy |
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| Publication Number | Publication Date |
|---|---|
| CN218446130U true CN218446130U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221590743.5U Active CN218446130U (en) | 2022-06-23 | 2022-06-23 | Coaxial adjusting device of infrared binocular optical equipment of high accuracy |
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| CN (1) | CN218446130U (en) |
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- 2022-06-23 CN CN202221590743.5U patent/CN218446130U/en active Active
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