CN106842472A - A kind of method of transmitting/receiving light path focusing - Google Patents
A kind of method of transmitting/receiving light path focusing Download PDFInfo
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- CN106842472A CN106842472A CN201710020612.0A CN201710020612A CN106842472A CN 106842472 A CN106842472 A CN 106842472A CN 201710020612 A CN201710020612 A CN 201710020612A CN 106842472 A CN106842472 A CN 106842472A
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- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
本发明公开了一种发射/接收光路调焦方法，其特征在于在不增加系统复杂程度基础上，实现同步调焦、不存在相互调焦偏差。首先，发射通道和接收通道光学系统调焦按线性一致设计；其次，发射通道和接收通道调焦组共平台安装；最后，调焦系统根据接收通道图像，驱动调焦组运动，实现发射通道和接收通道的同步调焦。
The invention discloses a transmitting/receiving optical path focusing method, which is characterized in that synchronous focusing is realized without increasing the complexity of the system, and there is no mutual focusing deviation. Firstly, the focusing of the transmitting channel and the receiving channel optical system is designed to be linearly consistent; secondly, the focusing group of the transmitting channel and the receiving channel is installed on the same platform; finally, the focusing system drives the movement of the focusing group according to the image of the receiving channel to realize the transmission channel and the receiving channel. Synchronous focusing of the receiving channel.
Description
技术领域technical field
本发明属于自动调焦领域，具体涉及一种发射/接收光路调焦方法。The invention belongs to the field of automatic focusing, and in particular relates to a method for adjusting the focus of a transmitting/receiving optical path.
背景技术Background technique
调焦可以实现系统对不同距离下的目标清晰成像，而对于发射/接收双通道系统来说，发射通道和接收通道同步调焦，是系统研制难点。因此，发射/接收光路调焦在很多方面都可应用，如激光通讯、光电对抗、激光武器等。目前有多种调焦方法，其原理和特点都各不相同，但对于发射/接收双通道系统来说，均采用分别控制调焦的方式，其缺点在于调焦过程中存在延时、调焦误差的问题。本发明公开了一种发射/接收光路调焦方法，具有方法原理简单，可实现同步调焦、不存在相互调焦偏差问题的特点。Focusing can enable the system to clearly image targets at different distances. For a transmit/receive dual-channel system, synchronous focus adjustment of the transmit channel and receive channel is a difficult point in system development. Therefore, the focusing of the transmitting/receiving optical path can be applied in many aspects, such as laser communication, photoelectric countermeasures, and laser weapons. At present, there are many focusing methods with different principles and characteristics, but for the transmitting/receiving dual-channel system, they all adopt the method of separately controlling the focusing. error problem. The invention discloses a transmitting/receiving optical path focusing method, which has the characteristics of simple method principle, synchronous focusing and no mutual focusing deviation problem.
发明内容Contents of the invention
本发明解决了传统双通道调焦过程中存在延时、调焦误差的问题，提供了一种发射/接收光路调焦方法，其采用光学系统线性一致设计、结构共平台设计，实现同步调焦、不存在相互调焦偏差。The invention solves the problems of time delay and focusing error in the traditional dual-channel focusing process, and provides a method for focusing the transmitting/receiving optical path, which adopts the linear consistent design of the optical system and the design of the common platform of the structure to realize synchronous focusing , There is no mutual focus deviation.
本发明采用的技术方案是：The technical scheme adopted in the present invention is:
一种发射/接收光路调焦方法，其特征在于在不增加系统复杂程度基础上，实现同步调焦、不存在相互调焦偏差。所述的光功率合成的方法具体为：首先，发射通道和接收通道光学系统调焦按线性一致设计，即在系统调焦范围内，对于同一距离下的目标，发射通道和接收通道调焦行程一致；其次，发射通道和接收通道调焦组共平台安装，由同一个驱动系统带动进行沿轴调焦；最后，调焦系统根据接收通道图像，驱动调焦组运动，实现发射通道和接收通道的同步调焦。A transmitting/receiving optical path focusing method is characterized in that synchronous focusing is realized without increasing the complexity of the system, and there is no mutual focusing deviation. The method of optical power synthesis is specifically as follows: firstly, the focusing of the optical system of the transmitting channel and the receiving channel is designed to be linearly consistent, that is, within the focusing range of the system, for the target at the same distance, the focusing stroke of the transmitting channel and the receiving channel Consistent; secondly, the transmitting channel and the receiving channel focusing group are installed on the same platform, driven by the same drive system to focus along the axis; finally, the focusing system drives the focusing group to move according to the image of the receiving channel to realize the transmission channel and receiving channel synchronous focusing.
本发明的有益效果是：The beneficial effects of the present invention are:
1.采用线性一致设计，保证系统调焦无相对偏差；1. Adopt linear consistent design to ensure that there is no relative deviation in system focusing;
2.采用一个驱动器带动两组调焦组运动方式，实现无延时调焦。2. One driver is used to drive two groups of focusing groups to move to achieve no-delay focusing.
附图说明Description of drawings
图1为一种发射/接收光路调焦方法原理图。FIG. 1 is a schematic diagram of a method for adjusting the focus of the transmitting/receiving optical path.
具体实施方式detailed description
如图1所示，首先，发射通道和接收通道光学系统调焦按线性一致设计；其次，发射通道和接收通道调焦组共平台安装；最后，调焦系统根据接收通道图像，驱动调焦组运动，实现发射通道和接收通道的同步调焦。As shown in Figure 1, firstly, the optical system focusing of the transmitting channel and the receiving channel is designed to be linearly consistent; secondly, the focusing group of the transmitting channel and the receiving channel is installed on the same platform; finally, the focusing system drives the focusing group according to the image of the receiving channel Movement to achieve synchronous focusing of the transmitting channel and receiving channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710020612.0A CN106842472A (en) | 2017-01-12 | 2017-01-12 | A kind of method of transmitting/receiving light path focusing |
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| CN201710020612.0A CN106842472A (en) | 2017-01-12 | 2017-01-12 | A kind of method of transmitting/receiving light path focusing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115047433A (en) * | 2022-08-16 | 2022-09-13 | 杭州宇称电子技术有限公司 | Optical automatic adjusting method for TOF distance measuring system and application thereof |
Citations (5)
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|---|---|---|---|---|
| CN102141436A (en) * | 2010-12-15 | 2011-08-03 | 北京理工大学 | Femtojoule-level laser micro energy meter having automatic tracking function |
| JP2012159549A (en) * | 2011-01-31 | 2012-08-23 | Mitsutoyo Corp | Autofocus device |
| CN102692693A (en) * | 2012-06-08 | 2012-09-26 | 中国科学院半导体研究所 | Intelligent focusing device for range-gated laser night vision |
| CN203012332U (en) * | 2012-11-30 | 2013-06-19 | 神画科技（深圳）有限公司 | Projection system with infrared monitor |
| CN104977779A (en) * | 2015-07-23 | 2015-10-14 | 中国科学院广州生物医药与健康研究院 | Automatic focusing device and method thereof |
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2017
- 2017-01-12 CN CN201710020612.0A patent/CN106842472A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102141436A (en) * | 2010-12-15 | 2011-08-03 | 北京理工大学 | Femtojoule-level laser micro energy meter having automatic tracking function |
| JP2012159549A (en) * | 2011-01-31 | 2012-08-23 | Mitsutoyo Corp | Autofocus device |
| CN102692693A (en) * | 2012-06-08 | 2012-09-26 | 中国科学院半导体研究所 | Intelligent focusing device for range-gated laser night vision |
| CN203012332U (en) * | 2012-11-30 | 2013-06-19 | 神画科技（深圳）有限公司 | Projection system with infrared monitor |
| CN104977779A (en) * | 2015-07-23 | 2015-10-14 | 中国科学院广州生物医药与健康研究院 | Automatic focusing device and method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115047433A (en) * | 2022-08-16 | 2022-09-13 | 杭州宇称电子技术有限公司 | Optical automatic adjusting method for TOF distance measuring system and application thereof |
| CN115047433B (en) * | 2022-08-16 | 2022-11-01 | 杭州宇称电子技术有限公司 | Optical automatic adjusting method for TOF distance measuring system and application thereof |
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Application publication date: 20170613 |