CN212723630U - Image adjusting mechanism for infrared and low-light-level optical image fusion night vision device - Google Patents
Image adjusting mechanism for infrared and low-light-level optical image fusion night vision device Download PDFInfo
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- CN212723630U CN212723630U CN202021542057.1U CN202021542057U CN212723630U CN 212723630 U CN212723630 U CN 212723630U CN 202021542057 U CN202021542057 U CN 202021542057U CN 212723630 U CN212723630 U CN 212723630U
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Abstract
The utility model discloses an image timing mechanism that is used for infrared and shimmer optical image to fuse night vision device belongs to optical design technical field. The adjusting mechanism is composed of an optical axis adjusting mechanism and a projection adjusting mechanism, the optical axis adjusting mechanism is arranged between the micro-light objective lens needing to be adjusted and the infrared objective lens, and the projection adjusting mechanism is arranged behind the micro-light objective lens needing to be adjusted and adjusted. The infrared and low-light optical fusion image can be effectively subjected to image registration and parallax correction after being adjusted and calibrated by the mechanism. The utility model discloses an adjustment mechanism has characteristics such as small, light in weight, easy and simple to handle, can carry out quick image timing to the optical image fusion night vision device of multiple small-size infrared detector and shimmer image intensifier.
Description
Technical Field
The utility model belongs to the technical field of the optical design, concretely relates to image timing mechanism that is used for infrared and shimmer optical image to fuse night vision device.
Background
The glimmer and the infrared optics are fused, the glimmer objective lens and the infrared objective lens are respectively imaged, and an infrared image displayed by the OLED display screen and an image displayed by the glimmer image intensifier are simultaneously observed through the eyepiece system after passing through the spectroscope.
The infrared image and the low-light image are distinguished by color. The glimmer and infrared fused image has the characteristics of strong stereoscopic impression of glimmer images and capability of capturing target details, and has the characteristics of long acting distance of infrared images, anti-concealment, environmental interference resistance and the like.
However, the optical axis of the low-light-level and infrared optical image fusion night vision device is not parallel easily in the processes of mechanical processing, optical processing and assembly, and therefore, the low-light-level and infrared optical image fusion night vision device is fatal to a precision optical device. The infrared channel in the image is projected to the eyepiece viewing field through the beam splitter prism after being displayed by the OLED display screen, and the working position change of the OLED display screen easily causes the position misalignment, relative inclination and parallax of the two paths of images.
For this reason, it is very important to design a simple and convenient adjustment mechanism.
Disclosure of Invention
The utility model discloses the main problem that solves is: according to the condition of the existing infrared and glimmer optical image fusion device, the adjusting mechanism which is small in size, light in weight and simple and convenient to operate is designed, and the image adjusting mechanism can be used for adjusting the images of various small infrared detector types or the optical image fusion night vision device of the glimmer image intensifier. The utility model discloses mainly use shimmer and infrared optical image to fuse quick timing work of night vision device.
The technical scheme of the utility model is that:
an image adjusting mechanism for an infrared and low-light-level optical image fusion night vision device comprises a low-light-level objective lens and an infrared objective lens, wherein the image adjusting mechanism consists of an optical axis adjusting mechanism and a projection adjusting mechanism; the optical axis adjusting mechanism is arranged between the micro-light objective lens to be adjusted and the infrared objective lens, and the projection adjusting mechanism is arranged behind the micro-light objective lens to be adjusted.
The optical axis adjusting mechanism comprises a support frame, an azimuth adjusting screw, a pitching adjusting screw and a gasket; the support frame is positioned at two sides of the micro-light objective lens to be adjusted, the support frame is connected with the infrared objective lens to be adjusted, a left-right adjusting screw is arranged on the side surface of the support frame, and a pitching adjusting screw is arranged in the middle of the support frame and is respectively used for adjusting the left, the right and the pitching of the optical axis; the left and right positions of the infrared objective lens to be adjusted are adjusted by screwing or unscrewing the left and right adjusting screws, and the pitching position of the infrared objective lens to be adjusted is adjusted by screwing or unscrewing the pitching adjusting screws, so that the optical axis of the infrared objective lens to be adjusted is parallel to the optical axis of the low-light level objective lens.
The projection adjusting mechanism comprises a beam splitter prism, an OLED display screen, a prism bracket and a position locking screw; the prism bracket is connected with the beam splitter prism, T-shaped notches are respectively formed in the upper part and the lower part of a circuit board of the OLED display screen and are symmetrically distributed, and the OLED display screen is connected to the prism bracket through screws; the gasket is positioned between the OLED display screen and the prism bracket; the position locking screws are positioned on the T-shaped groove of the OLED display screen, are respectively arranged at the upper part and the lower part and are symmetrically distributed. Through adjusting the thickness of gasket, adjustable OLED display screen with beam splitting prism's distance, rethread removes OLED display screen for relative position is suitable between OLED display screen and the beam splitting prism, and rethread screws up position locking screw and fixes.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses an adjustment mechanism has characteristics such as small, light in weight, easy and simple to handle, can carry out quick timing to the optical image fusion night vision device image of multiple small-size infrared detector kind or shimmer image intensifier.
Drawings
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is an overall configuration diagram of the present invention.
Fig. 2 is an optical axis adjustment schematic diagram of the adjusting mechanism of the present invention.
In fig. 2: the micro-light objective lens adjusting device comprises a micro-light objective lens 1 to be adjusted, an infrared objective lens 2 to be adjusted, a support frame 3, a left-right adjusting screw 4, a pitching adjusting screw 5 and a gasket 6.
Fig. 3 is a schematic view of the projection adjustment of the adjusting mechanism of the present invention.
In fig. 3: the device comprises a light splitting prism 7, an OLED display screen 8, a prism bracket 9 and a position locking screw 10.
Detailed Description
Referring to fig. 1, the utility model discloses a certain type infrared and shimmer optical fusion night vision device that has already finalized, the timing mechanism is improved and verified on this type product basis.
Referring to fig. 2, the utility model discloses an optical axis timing mechanism passes through support frame 3 by the shimmer objective 1 that needs the timing and the infrared objective 2 that needs the timing and installs together, through the parallel degree about adjusting screw 4 adjusts the optical axis of screwing or unscrewing, through the every single move parallel degree of screwing or unscrewing every single move adjusting screw 5 regulation optical axis.
Referring to fig. 3, the utility model discloses a projection timing mechanism is fixed on beam splitter prism 7 through prism support 9 by OLED display screen 8, and through adjusting shim 6's thickness, adjustable OLED display screen 8 and beam splitter prism 7's distance, rethread remove OLED display screen 8 for relative position is suitable between OLED display screen 8 and the beam splitter prism 7, and position locking screw 10 is fixed to the rethread.
Claims (3)
1. The utility model provides an image timing mechanism that is used for infrared and shimmer optical image to fuse night vision device, infrared and shimmer optical image fuse night vision device includes shimmer objective and infrared objective, its characterized in that:
the device consists of an optical axis adjusting mechanism and a projection adjusting mechanism;
the optical axis adjusting mechanism is located between the micro-light objective lens to be adjusted and the infrared objective lens, and the projection adjusting mechanism is located behind the micro-light objective lens to be adjusted.
2. The image adjustment mechanism according to claim 1, wherein:
the optical axis adjusting mechanism comprises a support frame, an azimuth adjusting screw, a pitching adjusting screw and a gasket;
the support frame is located the both sides of the shimmer objective that needs the timing, the support frame is connected with the infrared objective that needs the timing, adjusting screw about the side on the support frame is provided with, and adjusting screw is symmetric distribution about, and each two on one side, there is every single move adjusting screw at the middle part of support frame, and every single move adjusting screw is symmetric distribution, and each two on one side is used for adjusting respectively needs the timing infrared objective optical axis for the control and every single move of shimmer objective optical axis.
3. The image adjustment mechanism according to claim 2, wherein:
the projection adjusting mechanism comprises a beam splitter prism, an OLED display screen, a prism bracket and a position locking screw;
the prism bracket is connected with the beam splitter prism, T-shaped notches are respectively formed in the upper part and the lower part of a circuit board of the OLED display screen and are symmetrically distributed, and the OLED display screen is connected to the prism bracket through screws; the gasket is positioned between the OLED display screen and the prism bracket; the position locking screws are positioned on the T-shaped groove of the OLED display screen, are respectively arranged at the upper part and the lower part and are symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021542057.1U CN212723630U (en) | 2020-07-30 | 2020-07-30 | Image adjusting mechanism for infrared and low-light-level optical image fusion night vision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202021542057.1U CN212723630U (en) | 2020-07-30 | 2020-07-30 | Image adjusting mechanism for infrared and low-light-level optical image fusion night vision device |
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| CN212723630U true CN212723630U (en) | 2021-03-16 |
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| CN202021542057.1U Active CN212723630U (en) | 2020-07-30 | 2020-07-30 | Image adjusting mechanism for infrared and low-light-level optical image fusion night vision device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113596291A (en) * | 2021-07-05 | 2021-11-02 | 宁波舜成智能科技有限公司 | Low-light-level night vision device with fused image and electronic data |
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2020
- 2020-07-30 CN CN202021542057.1U patent/CN212723630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113596291A (en) * | 2021-07-05 | 2021-11-02 | 宁波舜成智能科技有限公司 | Low-light-level night vision device with fused image and electronic data |
| CN113596291B (en) * | 2021-07-05 | 2023-04-18 | 宁波舜成智能科技有限公司 | Low-light-level night vision device with fused image and electronic data |
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