CN212458833U - Shimmer night-vision device comprehensive detector - Google Patents
Shimmer night-vision device comprehensive detector Download PDFInfo
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- CN212458833U CN212458833U CN202021045854.9U CN202021045854U CN212458833U CN 212458833 U CN212458833 U CN 212458833U CN 202021045854 U CN202021045854 U CN 202021045854U CN 212458833 U CN212458833 U CN 212458833U
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Abstract
The utility model discloses a shimmer night vision device comprehensive detector, which comprises double current mirrors, a collimating objective lens, a reference plate and an integrating sphere shimmer light source, wherein the double current mirrors, the collimating objective lens and the reference plate are sequentially arranged along a light path, and the integrating sphere shimmer light source is positioned between the collimating objective lens and the reference plate and is positioned outside the light path between the collimating objective lens and the reference plate; and a measured micro-light night vision device is arranged between the double current mirrors and the collimating objective lens. The utility model is convenient in operation simply, the user can be quick debugs and detects shimmer night-time vision device, has improved shimmer night-time vision device's dress and has transferred efficiency, alleviates dress and transfers personnel's intensity of labour, has practiced thrift the cost, has improved economic benefits.
Description
Technical Field
The utility model belongs to the technical field of the optical measurement, concretely relates to shimmer night-time vision device comprehensive testing appearance.
Background
The low-light-level night vision device is a night observation device which enhances the low light level reflected by a target through an image intensifier so that human eyes can see a target image; the parallelism, resolution, zero visibility and visibility range of the optical axis of the low-light level night vision device are important technical indexes.
SUMMERY OF THE UTILITY MODEL
In view of this, the main object of the present invention is to provide a comprehensive detector for low-light level night vision device
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the embodiment of the utility model provides a shimmer night-time vision device comprehensive detector, including two present mirror, collimating objective, reference board, integrating sphere shimmer light source, two present mirror, collimating objective, reference board set gradually along the light path, integrating sphere shimmer light source is located between collimating objective and the reference board and is in the outside of light path between collimating objective and the reference board; and a measured micro-light night vision device is arranged between the double current mirrors and the collimating objective lens.
In the above scheme, the device further comprises an optical platform, the double current mirrors and the measured micro-light night vision device are arranged on the optical platform through a sliding lifting mechanism, the collimating objective lens is fixed on the optical platform through a rotatable support, the reference plate is fixed on the optical platform through a fixing mechanism, and the integrating sphere micro-light source is arranged on the optical platform through a pitching angle adjusting mechanism.
In the above scheme, the sliding lifting mechanism includes a horizontal guide rail, a first slider, and a lifting table, the horizontal guide rail is disposed on the optical platform along the horizontal direction, the first slider is connected with the horizontal guide rail in a matching manner, and the lifting table is disposed on the first slider; the double current built-in mirrors and the measured micro-light night vision device are both arranged at the top of the lifting platform.
In the scheme, the double current mirrors are arranged at the top of the lifting platform through the adjusting bracket; the adjusting support comprises a bottom plate, a fixing sleeve, an adjusting rod and a locking screw, the lower end of the fixing sleeve is fixedly connected with the bottom plate, the adjusting rod is embedded in the fixing sleeve, the ascending height of the adjusting rod is adjusted through the locking screw, and the top end of the adjusting rod is connected with the binocular front-mounted mirror; the bottom plate is fixed on the top of the lifting platform.
In the scheme, the measured micro-light night vision is arranged at the top of the lifting platform through the longitudinal rotating mechanism; the longitudinal rotating mechanism comprises a longitudinal guide rail, a second sliding block and a manual rotating table, the longitudinal guide rail is longitudinally arranged at the top of the lifting table, the second sliding block is arranged on the longitudinal guide rail in a sliding mode, the manual rotating table is arranged on the second sliding block, and the top of the manual rotating table is connected with the measured micro-light night vision device through a support.
In the scheme, the reference plate adopts a 85% contrast resolution plate, a 35% contrast resolution plate, a 25% contrast resolution plate and a cross reticle; the fixing mechanism comprises an inserting frame and a fixing base, the inserting frame is used for inserting the reference plate and is fixed through a locking screw, and two sides of the bottom of the inserting frame are fixed on the optical platform through the fixing base.
In the above scheme, every single move angle guiding mechanism includes first bottom plate and second bottom plate, first bottom plate and second bottom plate stack set up and set up a plurality of adjusting screw between the two, set up the extension spring between two arbitrary adjusting screw, first bottom plate is connected with the little light source of integrating sphere, the second bottom plate is connected with optical platform.
In the above scheme, the top of the integrating sphere low-light source is provided with a heat dissipation mechanism.
Compared with the prior art, the utility model has the advantages of convenient operation is simple, and the user can be quick debugs and detects shimmer night-time vision device, has improved shimmer night-time vision device's dress and has transferred efficiency, alleviates dress and transfers personnel's intensity of labour, has practiced thrift the cost, has improved economic benefits.
Drawings
Fig. 1 is a light path diagram of an integrated detector for a low-light level night vision device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an integrated detector of a low-light level night vision device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a sliding lifting mechanism in an integrated detector of a low-light level night vision device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an adjusting bracket in the integrated detector of the low-light level night vision device according to the embodiment of the present invention;
fig. 5 is a schematic structural view of a longitudinal rotating mechanism in the integrated detector of the low-light level night vision device according to the embodiment of the present invention;
fig. 6 is a schematic view of a fixing mechanism in an integrated detector for a low-light level night vision device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of the embodiment of the present invention, which provides a structure of an integrating sphere dim light source in a dim light night vision device integrated detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a shimmer night-time vision device comprehensive detector, as shown in fig. 1, 2, including two present mirror 1, collimating objective 2, reference board 3, integrating sphere shimmer light source 4, two present mirror 1, collimating objective 2, reference board 3 set gradually along the light path, integrating sphere shimmer light source 4 is located between collimating objective 2 and the reference board 3 and is in the outside of light path between collimating objective 2 and the reference board 3; and a measured micro-light night vision device 5 is arranged between the double current mirrors 1 and the collimating objective lens 2.
Further, the device also comprises an optical platform 6, the double front-mounted mirrors 1 and the measured micro-light night vision device 5 are arranged on the optical platform 6 through a sliding lifting mechanism 7, the collimating objective 2 is fixed on the optical platform 6 through a rotatable support 8, the reference plate 3 is fixed on the optical platform 6 through a fixing mechanism 9, and the integrating sphere micro-light source 4 is arranged on the optical platform 6 through a pitching angle adjusting mechanism 41.
As shown in fig. 3, the sliding lifting mechanism 7 includes a horizontal guide rail 71, a first slider 72, and a lifting table 73, the horizontal guide rail 71 is disposed on the optical platform 6 along the horizontal direction, the first slider 72 is connected with the horizontal guide rail 71 in a matching manner, and the lifting table 73 is disposed on the first slider 72; the double current built-in mirrors 1 and the measured micro-light night vision device 5 are both arranged at the top of the lifting platform 73.
The first sliding block 72 drives the lifting platform 73 to move left and right along the horizontal guide rail 71 so as to adjust the optimal distance between the measured micro-light night vision device 5 and the collimating objective lens 2, and the first sliding block 72 and the horizontal guide rail 71 are fixed through locking screws after the position is determined so as to prevent movement during work; the height of the elevating platform 73 is adjusted to make the measured micro-light night vision device 5 align with the center of the collimating objective lens 2.
As shown in fig. 4, the double front-mounted mirrors 1 are arranged on the top of the lifting table 73 through the adjusting bracket 11; the adjusting bracket 11 comprises a bottom plate 111, a fixing sleeve 112, an adjusting rod 113 and a locking screw 114, wherein the lower end of the fixing sleeve 112 is fixedly connected with the bottom plate 111, the adjusting rod 113 is embedded in the fixing sleeve 112, the ascending height of the adjusting rod 113 is adjusted through the locking screw 114, and the top end of the adjusting rod 113 is connected with the binocular front mirror 1; the base plate 111 is fixed to the top of the elevating platform 73.
In order to align the two lens barrels of the dual current endoscope 1 with the lens barrel of the measured micro-light night vision device 5, the locking screw 114 is loosened, the adjusting rod 113 is drawn out of the fixing sleeve 112, and after the same height is reached, the locking screw 114 is tightened to fix the fixing sleeve 112 and the adjusting rod 113.
As shown in fig. 5, the measured micro-light night vision device 5 is arranged on the top of the lifting platform 73 through the longitudinal rotating mechanism 51; the longitudinal rotating mechanism 51 comprises a longitudinal guide rail 511, a second sliding block 512 and a manual rotating table 513, wherein the longitudinal guide rail 511 is arranged on the top of the lifting table 73 along the longitudinal direction, the second sliding block 512 is arranged on the longitudinal guide rail 511 in a sliding manner, the manual rotating table 513 is arranged on the second sliding block 512, and the top of the manual rotating table is connected with the measured micro-light night vision device 5 through a bracket 514.
When the micro-light night vision device is used, the measured micro-light night vision device 5 is directly placed on the bracket 514, the manual rotating platform 513 can horizontally rotate as required, and the second sliding block 512 is placed on the longitudinal guide rail 51 to move left and right along the longitudinal direction.
As shown in FIG. 6, the reference plate 3 used were an 85% contrast resolution plate, a 35% contrast resolution plate, a 25% contrast resolution plate, and a cross reticle plate; the fixing mechanism 9 includes a plug frame 91 and a fixing base 92, the plug frame 91 is used for inserting the reference plate 3 and is fixed by a locking screw 93, and both sides of the bottom of the plug frame 91 are fixed on the optical platform 6 by the fixing base 92.
As shown in fig. 7, the pitch angle adjusting mechanism 41 includes a first bottom plate 411 and a second bottom plate 412, the first bottom plate 411 and the second bottom plate 412 are stacked and a plurality of adjusting screws 413 are arranged between the first bottom plate 411 and the second bottom plate 412, a tension spring 414 is arranged between any two adjusting screws 413, the first bottom plate 411 is connected with the integrating sphere micro-light source 4, and the second bottom plate 412 is connected with the optical platform 6.
The top of the integrating sphere low-light source 4 is provided with a heat dissipation mechanism 42.
The integrating sphere low-light source 4 can rotate by 360 degrees, can be adjusted according to the illumination angle of the light source during use, and is locked by a locking screw after adjustment is completed;
the number of the adjusting screws is three, the pitch angle of parallel light emitted by the light through hole is adjusted by changing different strokes of the three adjusting screws according to the pitch angle requirement, the adjusting screw with the small stroke pulls the first bottom plate 41 on the side to the second bottom plate 412 through the pulling force of the pulling device 414, and the adjusting screw with the large stroke jacks up the first bottom plate 41, so that the pitch angle is adjusted.
The utility model discloses need the darkroom again to go on, the illuminance of darkroom can not be greater than 1 x 10-5Lx。
When the resolution is measured, the reference plate 3 adopts a cross reticle, the cross lines in the left tube of the double current placing mirrors 1 are aligned with the cross of the cross reticle seen through the measured micro-light night vision device 5 and the collimating objective lens 2, then the right tube of the double current placing mirrors 1 is observed, the direct reading and the recording are carried out, and the value is the parallelism of the optical axis of the measured micro-light night vision device 5.
The resolution ratio is that the resolution ratio plate is directly watched on the tested micro-light night vision device 5 through the collimating objective lens 2, the line pair on the resolution ratio plate can be seen clearly, namely the maximum resolution ratio of the tested micro-light night vision device 5, the illumination intensity of the light source required for measuring different resolution ratio plates is different, and the illumination intensity is 1 multiplied by 10-1A85% contrast resolution panel was viewed at 1X 10 under Lx illumination-3A35% contrast resolution panel was viewed at an illuminance of Lx, 1X 10-4A 25% contrast resolution panel was viewed under Lx illumination.
The zero-visibility and visibility range needs to be detected through a visibility tube, the measured micro-light night vision device 5 is fixed on the bracket 514, the visibility tube is adjusted to 0-visibility, then the eyepiece of the measured micro-light night vision device 5 is opposite to the eyepiece of the measured micro-light night vision device 5, the eyepiece of the measured micro-light night vision device 5 is rotated to observe a certain point of image enhancement in the measured micro-light night vision device 5, and the best position which can clearly see the point is the zero-visibility of the eyepiece; then, the eyepiece is screwed to the position, which is fixed in a screwing mode, of the vision tube in the anticlockwise direction, when the sliding screw on the vision tube is pulled to a certain point, which can be seen clearly on the low-light-level night vision device, the reading on the vision tube is the maximum vision of the eyepiece, finally, the eyepiece is screwed in place clockwise to measure in the same method, the measured value is the minimum vision, and the value between the maximum vision and the minimum vision is the range of the low-light-level night vision device.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A low-light level night vision device comprehensive detector is characterized by comprising double current mirrors, a collimating objective lens, a reference plate and an integrating sphere low-light level light source, wherein the double current mirrors, the collimating objective lens and the reference plate are sequentially arranged along a light path, and the integrating sphere low-light level light source is positioned between the collimating objective lens and the reference plate and is positioned on the outer side of the light path between the collimating objective lens and the reference plate; and a measured micro-light night vision device is arranged between the double current mirrors and the collimating objective lens.
2. The integrated low-light night-vision device detector as claimed in claim 1, further comprising an optical platform, wherein the dual low-light night-vision device and the measured low-light night-vision device are mounted on the optical platform through a sliding elevating mechanism, the collimator objective is fixed on the optical platform through a rotatable bracket, the reference plate is fixed on the optical platform through a fixing mechanism, and the integrating sphere low-light source is mounted on the optical platform through a pitch angle adjusting mechanism.
3. The integrated low-light night-vision device detector as claimed in claim 2, wherein the sliding lift mechanism includes a horizontal rail, a first slider, and a lift platform, the horizontal rail is horizontally disposed on the optical platform, the first slider is connected to the horizontal rail, and the lift platform is disposed on the first slider; the double current built-in mirrors and the measured micro-light night vision device are both arranged at the top of the lifting platform.
4. The integrated low-light night vision device detector as claimed in claim 3, wherein the dual current mirrors are disposed on the top of the elevating platform through an adjusting bracket; the adjusting support comprises a bottom plate, a fixing sleeve, an adjusting rod and a locking screw, the lower end of the fixing sleeve is fixedly connected with the bottom plate, the adjusting rod is embedded in the fixing sleeve, the ascending height of the adjusting rod is adjusted through the locking screw, and the top end of the adjusting rod is connected with the binocular front-mounted mirror; the bottom plate is fixed on the top of the lifting platform.
5. A dim-light night vision comprehensive detector according to claim 4, characterized in that the measured dim-light night vision is arranged on the top of the elevating platform through a longitudinal rotating mechanism; the longitudinal rotating mechanism comprises a longitudinal guide rail, a second sliding block and a manual rotating table, the longitudinal guide rail is longitudinally arranged at the top of the lifting table, the second sliding block is arranged on the longitudinal guide rail in a sliding mode, the manual rotating table is arranged on the second sliding block, and the top of the manual rotating table is connected with the measured micro-light night vision device through a support.
6. A night-vision integrated detector as claimed in claim 5, wherein the reference plates are 85% contrast resolution plate, 35% contrast resolution plate, 25% contrast resolution plate and cross plate; the fixing mechanism comprises an inserting frame and a fixing base, the inserting frame is used for inserting the reference plate and is fixed through a locking screw, and two sides of the bottom of the inserting frame are fixed on the optical platform through the fixing base.
7. The integrated low-light night-vision device detector of claim 6, wherein the pitch angle adjusting mechanism comprises a first bottom plate and a second bottom plate, the first bottom plate and the second bottom plate are stacked and have a plurality of adjusting screws therebetween, a tension spring is disposed between any two adjusting screws, the first bottom plate is connected with the integrating sphere low-light source, and the second bottom plate is connected with the optical platform.
8. The integrated low-light night-vision device detector as claimed in any one of claims 1 to 7, wherein a heat sink is disposed on top of the low-light source of the integrating sphere.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021045854.9U CN212458833U (en) | 2020-06-09 | 2020-06-09 | Shimmer night-vision device comprehensive detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021045854.9U CN212458833U (en) | 2020-06-09 | 2020-06-09 | Shimmer night-vision device comprehensive detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686549A (en) * | 2021-08-04 | 2021-11-23 | 孝感华中精密仪器有限公司 | Binocular microscope detection device and method |
| CN113686551A (en) * | 2021-08-20 | 2021-11-23 | 北方夜视技术股份有限公司 | Portable image intensifier resolution measuring device and measuring method |
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2020
- 2020-06-09 CN CN202021045854.9U patent/CN212458833U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686549A (en) * | 2021-08-04 | 2021-11-23 | 孝感华中精密仪器有限公司 | Binocular microscope detection device and method |
| CN113686549B (en) * | 2021-08-04 | 2023-11-17 | 孝感华中精密仪器有限公司 | Binocular microscope detection device and method |
| CN113686551A (en) * | 2021-08-20 | 2021-11-23 | 北方夜视技术股份有限公司 | Portable image intensifier resolution measuring device and measuring method |
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