CN113847844B - Optical axis consistency adjustment method and device for wide-spectrum multi-optical-path sighting platform - Google Patents
Optical axis consistency adjustment method and device for wide-spectrum multi-optical-path sighting platform Download PDFInfo
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- CN113847844B CN113847844B CN202111190404.8A CN202111190404A CN113847844B CN 113847844 B CN113847844 B CN 113847844B CN 202111190404 A CN202111190404 A CN 202111190404A CN 113847844 B CN113847844 B CN 113847844B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 238000001228 spectrum Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000006698 induction Effects 0.000 claims abstract description 23
- 238000002955 isolation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000005083 Zinc sulfide Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 3
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/06—Rearsights
- F41G1/14—Rearsights with lens
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G1/00—Sighting devices
- F41G1/06—Rearsights
- F41G1/16—Adjusting mechanisms therefor; Mountings therefor
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a method and a device for adjusting the consistency of optical axes of a wide-spectrum multi-optical-path observing and sighting platform, wherein the adjusting device comprises a reflecting mirror group, a reflecting mirror group switching device, a high-precision level, an adjustable supporting rod, an installing platform, an objective lens group, a target plate switching device, a laser induction target plate assembly and an infrared target plate assembly; the adjustment method comprises the steps of obtaining the laser spot position of the sighting platform; the position of the television is adjusted by taking the laser spot as a reference, ensuring that the optical axis of the television is consistent with the optical axis of the laser; then, the infrared position is adjusted by taking the television optical axis as a reference, so that the infrared optical axis is consistent with the television optical axis; according to the method and the device for adjusting the multi-optical-path consistency adjustment design, the adjustment efficiency and the adjustment precision of the optical-axis consistency calibration process are improved.
Description
Technical Field
The invention belongs to the technical field of optical instruments, and particularly relates to a method and a device for adjusting the consistency of optical axes of a wide-spectrum multi-optical-path sighting platform.
Background
In a complex environment, a single-sensor observation platform has limitation in information acquisition, and in order to improve the information acquisition capability of the observation platform in the complex environment, a plurality of sensors such as laser, television (visible light, low illumination, low light level, etc.), infrared (short wave, long wave, etc.), namely a wide-spectrum multi-light-path observation platform, are added into the observation platform. The consistency of the television optical axis, the infrared optical axis and the laser optical axis in the wide-spectrum multi-optical-path observing and aiming platform directly influences the accuracy of the observing and aiming platform in acquiring target information, so that in order to improve the detection accuracy of the observing and aiming platform, high requirements are put forward on the consistency of the optical axes of the observing and aiming platform.
The traditional optical axis consistency test system mainly enables the observation platform to conduct adjustment and test through the reflection type collimator and the observation target plate, the method needs that three optical axes of the observation platform are all in the caliber of the reflector, the influence of factors such as equipment and places is large, the precision is limited, and the efficiency is limited greatly. Most of the test systems existing in the market today are single-band test systems, and the single-band test systems are complex, and cannot meet the current application requirements, so that the provision of a test method and a test device with simple structure and high precision becomes one of the important directions of research.
Disclosure of Invention
In order to solve the problems of complexity and site limitation of the existing test system, the invention provides a wide-spectrum multi-light-path sighting platform optical axis consistency adjustment method and device, which can realize the optical axis consistency test of television, infrared and laser optical axes, and the method can improve the test precision of the television (visible light, low illumination, low light level), infrared (short wave, long wave and the like) and laser optical axis consistency, can cover the sighting platform optical axis consistency test of various calibers, can realize the requirements of miniaturization, light weight and high efficiency, and has stronger application value.
One of the technical schemes adopted by the invention is as follows:
A wide-spectrum multi-light-path sighting platform optical axis consistency adjustment method comprises the following steps:
Step 1, establishing an installation and adjustment reference:
step 1.1: placing the adjusting device on an optical vibration isolation platform, adjusting an adjustable support rod at the bottom of the adjusting device, and ensuring the centering of the horizontal and vertical high-precision level water bubble;
step 1.2: placing the viewing platform on the optical vibration isolation platform;
Step 1.3: the position of the adjusting device is adjusted, so that the reflector group in the adjusting device is rotated, and the three lights of the sighting platform can be covered and can be all within the caliber of the reflector of the adjusting device.
After the step one is completed, the adjustment device and the viewing platform are kept still, and the step2 is started to be executed:
Step 2.1: rotating a reflector group in the adjusting device to enable the reflector group to be aligned with a television light path, switching a target plate of the adjusting device to a laser induction target plate assembly, observing by the television light path, observing whether a cross cursor of the television light path is basically overlapped with a cross of the laser induction target plate assembly, and if the cross cursor is not overlapped, enabling the cross cursor to be basically overlapped by adjusting the position of an observing and aiming platform;
step 2.2: rotating a reflector group in the adjusting device to align the reflector group with a laser light path, exciting laser, and observing the spot position of the laser on the induction target plate;
step 2.3: and the horizontal and vertical adjusting handwheels of the laser induction target plate assembly are adjusted to ensure that the laser spot is positioned at the center of the target plate.
Step 3: the reflector group in the adjusting device is rotated to be aligned with a television light path, the position of the television in the viewing platform is adjusted, the cross cursor position of the television is displayed through the monitor, the cross coincides with the cross of the laser induction target plate assembly, and the position of the television in the viewing platform is fixed.
Step 4: the target plate of the adjusting device is switched to an infrared target plate, the position of a television cross cursor is displayed through a monitor, and the cross of the target plate is overlapped with the cross of a television light path through adjusting the horizontal and vertical adjusting handwheels of the infrared target plate.
Step 5: and rotating a reflecting mirror group in the adjusting device to align the reflecting mirror group with an infrared light path, adjusting the position of infrared light in the observing and sighting platform, displaying the position of an infrared light cross cursor through a monitor, enabling the infrared light cross to coincide with the target plate cross, and fixing the position of the infrared light in the observing and sighting platform.
According to the operation method, the consistency adjustment of the optical axis of the wide-spectrum multi-optical-path observing and aiming platform can be completed.
The second technical scheme adopted by the invention is as follows:
the utility model provides a device is transferred in uniformity of wide spectrum multi-light-path sight platform optical axis, includes mirror group, mirror group auto-change over device, high accuracy spirit level, adjustable branch, mounting platform, objective group, target board auto-change over device, laser response target board subassembly, infrared target board subassembly.
The adjustable support rod is connected with the lower bottom surface of the mounting platform, the high-precision level is mounted on the upper plane of the mounting platform, the reflector switching device is mounted on the upper plane of the mounting platform, the reflector group is mounted at the front end of the reflector switching device, and the reflector group comprises two reflectors; the objective lens group is arranged inside the reflector switching device, the target plate switching device is arranged at the other end of the mounting platform, and the laser sensing target plate assembly and the infrared target plate assembly are arranged at two ends of the target plate switching device.
Furthermore, the number of the high-precision level is two, and the two high-precision levels are arranged vertically to each other.
Further, the angles of the two reflectors in the reflector group are adjustable.
Further, the objective glass in the objective group is a broad spectrum zinc sulfide material.
Further, the laser-induced target plate assembly consists of an adjusting platform and a target plate, and cross partitions are carved on the target plate of the laser-induced target plate assembly.
Further, the infrared target plate assembly consists of an adjusting platform and a target plate, and a cross division is carved on the target plate of the infrared target plate assembly.
Compared with the prior art, the invention has the advantages that:
(1) The adjustable angle reflecting mirror component and the reflecting mirror group switching device are adopted, so that the adjusting device can cover a window of a product to be adjusted in a larger range, and the consistency adjustment of the optical axis of an observation and aiming platform from a small caliber (gun aiming) to a larger caliber (photoelectric turntable) can be met;
(2) The laser induction target plate component can detect the wavelength range of 700-1600 nm; the wavelength of the laser used for the existing general firearm attached photoelectric product is 800-1064 nm, and the wavelength of the laser of the photoelectric product attached to the photoelectric turntable is less than 1550nm, so that the consistency adjustment of the optical axis from the firearm attached photoelectric product to the photoelectric turntable can be satisfied;
(3) The adopted laser induction target plate is designed into a round shape and a cross shape, so that the consistency adjustment accuracy of the optical axis is improved;
(4) The adjustable angle reflecting mirror assembly, the reflecting mirror assembly switching device and the target plate switching device are adopted, so that the adjustable angle reflecting mirror is reduced in volume and flexible and convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
FIG. 1 is a flow chart of a method for adjusting the consistency of optical axes of a wide-spectrum multi-optical-path observing and sighting platform;
FIG. 2 is a schematic diagram of an optical axis consistency adjusting device of the wide-spectrum multi-optical-path observing and sighting platform;
FIG. 3 is a schematic view of the optical path of the wide-spectrum multi-optical-path sighting platform optical axis consistency adjusting device;
FIG. 4 is a schematic drawing of a laser-induced target reticle provided by the present invention;
FIG. 5 is a schematic view of an infrared target panel division provided by the present invention;
in the figure: 1. a reflecting mirror group, 2a reflecting mirror group switching device, 3 a high-precision level, 4 an adjustable supporting rod, 5a mounting platform, 6, objective lens group, 7, target plate switching device, 8, laser-induced target plate assembly, 9, infrared target plate assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention aims to provide a method and a device for calibrating optical axis consistency of a wide-spectrum multi-optical-path sighting platform, which improve the adjustment efficiency and the adjustment precision of the optical axis consistency calibration process.
As shown in fig. 1, the method for adjusting the consistency of the optical axis of the wide-spectrum multi-optical-path sighting platform in the embodiment comprises the following steps:
Step 1, establishing an installation and adjustment reference:
step 1.1: placing the adjusting device on an optical vibration isolation platform, adjusting an adjustable support rod at the bottom of the adjusting device, and ensuring the centering of the horizontal and vertical high-precision level water bubble;
step 1.2: placing the viewing platform on the optical vibration isolation platform;
Step 1.3: the position of the adjusting device is adjusted, so that the reflector group in the adjusting device is rotated, and the three lights of the sighting platform can be covered and can be all within the caliber of the reflector of the adjusting device.
After the step one is completed, the adjustment device and the viewing platform are kept still, and the step2 is started to be executed:
Step 2.1: rotating a reflector group in the adjusting device to enable the reflector group to be aligned with a television light path, switching a target plate of the adjusting device to a laser induction target plate assembly, observing by the television light path, observing whether a cross cursor of the television light path is basically overlapped with a cross of the laser induction target plate assembly, and if the cross cursor is not overlapped, enabling the cross cursor to be basically overlapped by adjusting the position of an observing and aiming platform;
step 2.2: rotating a reflector group in the adjusting device to align the reflector group with a laser light path, exciting laser, and observing the spot position of the laser on the induction target plate;
step 2.3: and the horizontal and vertical adjusting handwheels of the laser induction target plate assembly are adjusted to ensure that the laser spot is positioned at the center of the target plate.
Step 3: the reflector group in the adjusting device is rotated to be aligned with a television light path, the position of the television in the viewing platform is adjusted, the cross cursor position of the television is displayed through the monitor, the cross coincides with the cross of the laser induction target plate assembly, and the position of the television in the viewing platform is fixed.
Step 4: the target plate of the adjusting device is switched to an infrared target plate, the position of a television cross cursor is displayed through a monitor, and the cross of the target plate is overlapped with the cross of a television light path through adjusting the horizontal and vertical adjusting handwheels of the infrared target plate.
Step 5: and rotating a reflecting mirror group in the adjusting device to align the reflecting mirror group with an infrared light path, adjusting the position of infrared light in the observing and sighting platform, displaying the position of an infrared light cross cursor through a monitor, enabling the infrared light cross to coincide with the target plate cross, and fixing the position of the infrared light in the observing and sighting platform.
According to the operation method, the consistency adjustment of the optical axis of the wide-spectrum multi-optical-path observing and aiming platform can be completed.
As shown in fig. 2-5, the wide-spectrum multi-optical-path viewing platform optical axis consistency adjusting device of the embodiment comprises a reflecting mirror group 1, a reflecting mirror group switching device 2, a high-precision level 3, an adjustable supporting rod 4, a mounting platform 5, an objective lens group 6, a target plate switching device 7, a laser induction target plate assembly 8 and an infrared target plate assembly 9.
As shown in fig. 2, the adjustable support rod 4 is connected with the lower bottom surface of the mounting platform 5, and the adjustable support rod 4 needs to adjust the level of the mounting platform 5 according to the position of the water bubble of the high-precision level 3; the high-precision level 3 is arranged on the upper plane of the mounting platform 5, and the number of the high-precision level 3 is two, and the two high-precision levels 3 are arranged in a mutually perpendicular manner and are used for indicating the levelness of the mounting platform 5; the reflector switching device 2 is arranged on the upper plane of the installation platform 5 and is used for switching the reflector group 1 among different optical channels of the sighting platform; the reflector group 1 is arranged at the front end of the reflector switching device 2, and the reflector group 1 comprises two reflectors and is used for reflecting the optical axis of the sighting platform into the light path of the adjusting device; the angles of the two reflectors in the reflector group 1 are adjustable, and the angles can be adjusted according to different optical axis distances of different observation platforms to be tested.
The objective lens group 6 is arranged in the reflector switching device 2 and is used for imaging parallel light onto the laser sensing target plate assembly 8 and the infrared target plate assembly 9, and objective glass in the objective lens group 6 is made of broad spectrum zinc sulfide material, so that a television light path, laser and infrared light can be transmitted.
The target plate switching device 7 is arranged at the other end of the mounting platform 5 and is used for switching the target plate during mounting and adjusting so as to meet the detection of multiple light paths; the laser induction target plate assembly 8 is arranged on the target plate switching device 7 and is used for inducing laser spots; the laser induction target plate assembly 8 consists of an adjusting platform and a target plate, the target plate can move up and down and left and right through the adjusting platform vertical to the optical axis, as shown in fig. 4, cross partitions are carved on the target plate, and the target plate can display laser spots in the wave bands of 800 nm-1600 nm.
The infrared target plate assembly 9 is arranged on the target plate switching device 7 and is used for detecting the laser spot position of the detected sighting platform and providing a target position for a television light path; the infrared target plate assembly 9 consists of an adjusting platform and a target plate, and the target plate can move up and down and left and right through the adjusting platform vertical to the optical axis; as shown in fig. 5, a cross division is carved on a target plate of the infrared target plate assembly 9, and a semiconductor heating plate is arranged behind the target plate and is used for heating the target plate to provide infrared and television target positions for a detected sighting platform.
After leveling, the adjusting device adjusts the position of the adjusted sighting platform, so that each optical axis of the sighting platform can be sequentially connected into the objective lens group 6 by adjusting the reflector group switching device 2 and the reflector group 1, as shown in fig. 3; when the reflector group 1 is switched to a laser light path, the target plate switching device 7 switches the laser sensing target plate assembly 8 to the direction of the objective lens group 6, the laser sensing target plate assembly 8 can receive laser spots, an adjusting platform on the laser sensing target plate assembly 8 is adjusted, and the laser spots of the observing and aiming platform received by the target plate are arranged in the center of the division. The reflector group 1 is converted into a television light path, and the television light path cross division is overlapped with the target plate cross division by adjusting the position of the television light path; the target plate switching device 7 switches the infrared target plate assembly 9 to the direction of the objective lens group 6, the infrared target plate assembly 9 can provide division coordinates for televisions and infrared roads, and an adjusting platform on the infrared target plate assembly 9 is adjusted to enable the infrared target plate division to coincide with the television cross division. The reflector group 1 is converted into an infrared light path, the infrared position is adjusted, the infrared cross cursor is overlapped with the infrared target plate, and the optical axis consistency calibration can be completed according to the operation.
Claims (6)
1. The method for adjusting the consistency of the optical axis of the wide-spectrum multi-optical-path sighting platform is characterized by comprising the following steps of:
Step 1, establishing an installation and adjustment reference:
step 1.1: placing the adjusting device on an optical vibration isolation platform, adjusting an adjustable support rod at the bottom of the adjusting device, and ensuring the centering of the horizontal and vertical high-precision level water bubble;
step 1.2: placing the viewing platform on the optical vibration isolation platform;
Step 1.3: the position of the adjusting device is adjusted, so that the reflector group in the adjusting device is rotated, and three lights of the sighting platform can be covered and can be all within the caliber of the reflector of the adjusting device;
After step 1 is completed, step2 is started to be executed:
Step 2.1: rotating a reflector group in the adjusting device to enable the reflector group to be aligned with a television light path, switching a target plate of the adjusting device to a laser induction target plate assembly, observing by the television light path, observing whether a cross cursor of the television light path is basically overlapped with a cross of the laser induction target plate assembly, and if the cross cursor is not overlapped, enabling the cross cursor to be basically overlapped by adjusting the position of an observing and aiming platform;
step 2.2: rotating a reflector group in the adjusting device to align the reflector group with a laser light path, exciting laser, and observing the spot position of the laser on the induction target plate;
step 2.3: adjusting a horizontal and vertical adjusting hand wheel of the laser induction target plate assembly to ensure that a laser spot is positioned at the center of the target plate;
Step 3: rotating a reflecting mirror group in the adjusting device to enable the reflecting mirror group to be aligned with a television light path, adjusting the position of the television in the viewing platform, displaying the position of a cross cursor of the television through a monitor, enabling the cross to coincide with the cross of the laser induction target plate assembly, and fixing the position of the television in the viewing platform;
Step 4: switching a target plate of the adjusting device to an infrared target plate, displaying the position of a television cross cursor through a monitor, and enabling the cross of the target plate to coincide with the cross of a television light path through adjusting a horizontal and vertical adjusting hand wheel of the infrared target plate;
Step 5: the reflector group in the adjusting device is rotated to be aligned with an infrared light path, the position of infrared light in the observing and aiming platform is adjusted, the position of an infrared light cross cursor is displayed through a monitor, the infrared light cross is overlapped with a target plate cross, and the position of the infrared light in the observing and aiming platform is fixed, so that the consistent adjustment of the optical axis of the wide-spectrum multi-light path observing and aiming platform is completed;
the adjusting device comprises a reflecting mirror group (1), a reflecting mirror switching device (2), a high-precision level (3), an adjustable supporting rod (4), a mounting platform (5), an objective lens group (6), a target plate switching device (7), a laser induction target plate assembly (8) and an infrared target plate assembly (9); the adjustable supporting rod (4) is connected with the lower bottom surface of the mounting platform (5), the high-precision level (3) is mounted on the upper plane of the mounting platform (5), the reflector switching device (2) is mounted on the upper plane of the mounting platform (5), the reflector group (1) is mounted at the front end of the reflector switching device (2), and the reflector group (1) comprises two reflectors; the objective lens group (6) is arranged inside the reflector switching device (2), the target plate switching device (7) is arranged at the other end of the mounting platform (5), and the laser induction target plate assembly (8) and the infrared target plate assembly (9) are arranged at two ends of the target plate switching device (7).
2. The method for adjusting the optical axis consistency of the wide-spectrum multi-optical-path sighting platform according to claim 1, wherein the number of the high-precision level gauges (3) is two, and the two high-precision level gauges (3) are arranged perpendicular to each other.
3. The method for adjusting the optical axis consistency of the wide-spectrum multi-optical-path sighting platform according to claim 2, wherein the angles of two reflectors in the reflector group (1) are adjustable.
4. A method for adjusting the optical axis consistency of a wide-spectrum multi-optical-path sighting platform according to claim 3, characterized in that the objective glass in the objective group (6) is a wide-spectrum zinc sulfide material.
5. The method for adjusting the optical axis consistency of the wide-spectrum multi-optical-path observing and sighting platform according to claim 4, wherein the laser-induced target plate assembly (8) consists of an adjusting platform and a target plate, and cross partitions are carved on the target plate of the laser-induced target plate assembly (8).
6. The method for adjusting the optical axis consistency of the wide-spectrum multi-optical-path sighting platform according to claim 5, wherein the infrared target plate assembly (9) consists of an adjusting platform and a target plate, and a cross division is carved on the target plate of the infrared target plate assembly (9).
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| CN202111190404.8A CN113847844B (en) | 2021-10-13 | 2021-10-13 | Optical axis consistency adjustment method and device for wide-spectrum multi-optical-path sighting platform |
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| CN202111190404.8A CN113847844B (en) | 2021-10-13 | 2021-10-13 | Optical axis consistency adjustment method and device for wide-spectrum multi-optical-path sighting platform |
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| CN103353285A (en) * | 2013-07-23 | 2013-10-16 | 中国人民解放军总装备部军械技术研究所 | Apparatus and method for detecting multiple optical axis consistency of platform photoelectric instrument |
| CN108195322A (en) * | 2018-03-14 | 2018-06-22 | 中国人民解放军陆军工程大学 | Multiband multi-optical-axis parallelism detection system and detection method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100876B (en) * | 2018-07-24 | 2020-09-29 | 北京晶品特装科技有限责任公司 | Multi-optical-axis parallel adjusting device and multi-optical-axis parallel adjusting method |
| CN109580177B (en) * | 2018-11-06 | 2023-09-29 | 中国科学院西安光学精密机械研究所 | Airborne three-optical axis consistency testing assembly, system and testing method |
| CN110850592B (en) * | 2019-11-12 | 2022-03-01 | 中国航空工业集团公司洛阳电光设备研究所 | Laser television infrared three-band optical system with scanning function |
| CN111307419A (en) * | 2019-12-12 | 2020-06-19 | 河北汉光重工有限责任公司 | Device and method for detecting consistency of optical axis |
| CN113405776B (en) * | 2021-06-09 | 2022-05-20 | 中国人民解放军陆军工程大学 | Multi-optical-axis consistency detection device and method for photoelectric observation system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353285A (en) * | 2013-07-23 | 2013-10-16 | 中国人民解放军总装备部军械技术研究所 | Apparatus and method for detecting multiple optical axis consistency of platform photoelectric instrument |
| CN108195322A (en) * | 2018-03-14 | 2018-06-22 | 中国人民解放军陆军工程大学 | Multiband multi-optical-axis parallelism detection system and detection method thereof |
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