阅读说明：本技术 一种适用于不同光束条件的可调式光阑装置 (Adjustable diaphragm device suitable for different light beam conditions ) 是由 于佳琦 林蔚然 郭清源 邱基斯 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种适用于不同光束条件的可调式光阑装置,包括底座、主支撑架、副支撑架、遮光片、锁紧螺钉和遮光罩,底座作为所述装置的主要支撑结构,用于协助所述遮光片调节到需要的高度；主支撑架固定连接于所述底座上,在内侧设置有导向槽,遮光片能沿所述导向槽上下移动；主支撑架的一侧加工有螺纹排孔或长孔；副支撑架与主支撑架对应安装；遮光片用于遮挡光束,该遮光片向光面加工成楔角形；锁紧螺钉安装于主支撑架的螺纹排孔或长孔内；遮光罩位于装置的顶部,用来遮挡从遮光片反射的杂光。上述装置能够实现光阑大小和位置的快速准确调整,从而满足因能量、波长等不同光束条件和不同调试环境而带来的各种使用需求。(The invention discloses an adjustable diaphragm device suitable for different light beam conditions, which comprises a base, a main support frame, an auxiliary support frame, a light shield, a locking screw and a light shield, wherein the base is used as a main support structure of the device and is used for assisting the light shield to adjust to a required height; the main supporting frame is fixedly connected to the base, a guide groove is formed in the inner side of the main supporting frame, and the shading sheet can move up and down along the guide groove; one side of the main support frame is provided with a threaded row hole or a long hole; the auxiliary support frame and the main support frame are correspondingly arranged; the shading sheet is used for shading light beams, and the light facing surface of the shading sheet is processed into a wedge angle shape; the locking screws are arranged in the threaded row holes or the long holes of the main support frame; the light shield is positioned on the top of the device and used for shielding stray light reflected from the light shield. The device can realize the quick and accurate adjustment of the size and the position of the diaphragm, thereby meeting various use requirements brought by different light beam conditions such as energy, wavelength and the like and different debugging environments.)

1. The utility model provides an adjustable diaphragm device suitable for different light beam conditions, its characterized in that, the device includes base, main tributary strut, auxiliary stay, lens-hood, locking screw and lens-hood, wherein:

the base is used as a main supporting structure of the device and is used for assisting the shading sheet to adjust to a required height and enhancing the stability of the whole structure of the device;

the main supporting frame is fixedly connected to the base, a guide groove is formed in the inner side of the main supporting frame, and the shading sheet can move up and down along the guide groove and can be prevented from deflecting greatly; one side of the main support frame is provided with a threaded row hole or a long hole, and the shading sheet is pressed or locked by a screw after being moved and adjusted to a required position;

the auxiliary support frame is correspondingly installed with the main support frame, and a guide groove is processed at one side of the auxiliary support frame and used for assisting in guiding and fixing the shading sheet;

the light shading sheet is used for shading light beams, and the light facing surface of the light shading sheet is processed into a wedge shape and used for ensuring most of mirror reflection energy to shoot to a light shading cover arranged above the light shading sheet, so that influence and harm of reflected light on a light path and personnel are avoided;

the locking screws are arranged in the threaded row holes or the long holes of the main support frame and used for fixing the adjusted position of the shading sheet;

the light shield is positioned at the top of the device and used for shielding stray light reflected from the light shield, so that the safety of debugging personnel is ensured.

2. Adjustable diaphragm device according to claim 1, characterized in that,

scales are engraved on the backlight surface of the main support frame and are used for helping a debugging person to accurately adjust the position of the light shield.

3. Adjustable diaphragm device according to claim 1, characterized in that,

the light-shielding sheet is made of different materials according to the use requirements of different light beam conditions, and the materials comprise aluminum alloy, stainless steel, red copper, molybdenum or heat-resistant ceramic.

4. Adjustable diaphragm device according to claim 1, characterized in that,

the light shield is made of aluminum alloy or stainless steel, and the surface of the light shield is subjected to sand blasting and blackening treatment.

Technical Field

The invention relates to the technical field of optical system equipment, in particular to an adjustable diaphragm device suitable for different light beam conditions.

Background

At present, when an optical system is debugged, diaphragms of different materials and sizes are often used for limiting light beams of different energy sizes, and the size and the position of the light beam are adjusted according to actual conditions. When the power of the light beam is larger, the shading device is possibly damaged by the light beam or generates particle impurities to pollute the optical device; meanwhile, the reflected stray light may affect other optical elements in the system, and even cause harm to the safety of personnel, and a corresponding solution is not available in the prior art.

Disclosure of Invention

The invention aims to provide an adjustable diaphragm device suitable for different light beam conditions, which can realize the quick and accurate adjustment of the size and the position of a diaphragm, thereby meeting various use requirements caused by different light beam conditions such as energy, wavelength and the like and different debugging environments.

The purpose of the invention is realized by the following technical scheme:

an adjustable diaphragm apparatus suitable for different beam conditions, the apparatus comprising a base, a main support frame, a sub-support frame, a lens, a locking screw and a lens hood, wherein:

the base is used as a main supporting structure of the device and is used for assisting the shading sheet to adjust to a required height and enhancing the stability of the whole structure of the device;

the main supporting frame is fixedly connected to the base, a guide groove is formed in the inner side of the main supporting frame, and the shading sheet can move up and down along the guide groove and can be prevented from deflecting greatly; one side of the main support frame is provided with a threaded row hole or a long hole, and the shading sheet is pressed or locked by a screw after being moved and adjusted to a required position;

the auxiliary support frame is correspondingly installed with the main support frame, and a guide groove is processed at one side of the auxiliary support frame and used for assisting in guiding and fixing the shading sheet;

the light shading sheet is used for shading light beams, and the light facing surface of the light shading sheet is processed into a wedge shape and used for ensuring most of mirror reflection energy to shoot to a light shading cover arranged above the light shading sheet, so that influence and harm of reflected light on a light path and personnel are avoided;

the locking screws are arranged in the threaded row holes or the long holes of the main support frame and used for fixing the adjusted position of the shading sheet;

the light shield is positioned at the top of the device and used for shielding stray light reflected from the light shield, so that the safety of debugging personnel is ensured.

According to the technical scheme provided by the invention, the device can realize the rapid and accurate adjustment of the size and the position of the diaphragm, so that various use requirements caused by different light beam conditions such as energy, wavelength and the like and different debugging environments are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an adjustable diaphragm apparatus suitable for different beam conditions according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

The embodiments of the present invention will be further described in detail with reference to the accompanying drawings, and fig. 1 is a schematic structural diagram of an adjustable diaphragm apparatus suitable for different light beam conditions according to the embodiments of the present invention, where the apparatus includes a base 1, a main supporting frame 2, a sub-supporting frame 3, a light-shielding plate 4, a locking screw 5 and a light-shielding cover 6, where:

the base 1 is used as a main supporting structure of the device and is used for assisting the shading sheet 4 to adjust to a required height and enhancing the stability of the whole structure of the device;

the main support frame 2 is fixedly connected to the base 1, a guide groove is formed in the inner side of the main support frame, and the shading sheet 4 can move up and down along the guide groove and can be prevented from deflecting greatly; one side of the main support frame 2 is provided with a threaded row hole or a long hole, and the shading sheet 4 is pressed or locked by a screw after being moved and adjusted to a required position;

the auxiliary support frame 3 is correspondingly installed with the main support frame 2, and a guide groove is processed at one side of the auxiliary support frame 3 and used for assisting in guiding and fixing the shading sheet 4;

the shading sheet 4 is used for shading light beams and is required to be easy to process on one hand and have enough heat resistance on the other hand; the light-facing surface of the light shield 4 is processed into a wedge shape for ensuring most of mirror reflection energy to irradiate the light shield 6 arranged above, and the influence and harm of reflected light on a light path and personnel are avoided;

the locking screws 5 are arranged in the threaded row holes or the long holes of the main support frame 2 and used for fixing the adjusted position of the shading sheet 4;

the light shield 6 is positioned at the top of the device and used for shielding stray light reflected from the light shield 4 and ensuring the safety of debugging personnel.

In a specific implementation, scales are further engraved on a backlight surface of the main support frame 2 to help a debugging person to accurately adjust the position of the light-shielding sheet.

The light-shielding sheet 4 is made of different materials according to the use requirements of different light beam conditions, and comprises aluminum alloy, stainless steel, red copper, molybdenum or heat-resistant ceramic and the like, and when the energy is large, the light-shielding sheet can be subjected to water cooling treatment.

The light shield 6 is made of aluminum alloy or stainless steel, and the surface is treated by sandblasting and blackening.

It is noted that those skilled in the art will recognize that embodiments of the present invention are not described in detail herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.