Modularized light beam shape adjusting device based on fixed-focus laser destruction system
By using a modular beam shaping device that combines concave, convex, and cylindrical lenses, the problem of fixed beam shape in portable laser destruction systems is solved, enabling adjustable beam shape to meet the needs of different objects and improving work efficiency.
Patent Information
- Application Number
- CN202521002018.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2035-05-21
AI Technical Summary
The fixed spot shape of portable laser destruction systems makes it difficult to adapt to the size and length requirements of different objects, resulting in poor application flexibility and adaptability.
A modular beam shaping device is adopted, which combines concave lenses, convex lenses and cylindrical lenses, along with telescopic connecting sections and protective light outlets, to achieve adjustable size and shape of the light spot.
It enables the generation of linear light spots of varying lengths in different applications, improving operational efficiency and adapting to diverse application needs. In particular, it significantly enhances work efficiency in garden tree clearing and high-rise residential building rescue.
Smart Images
Figure CN223966777U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical lens technology, specifically to a modular beam shaping device based on a fixed-focus laser destruction system. Background Technology
[0002] Portable laser destruction systems are typically used for the long-range destruction of unexploded ordnance, with the system outputting a circular beam. The smaller the beam focused on the target, the more concentrated the energy, and the better the damage effect. As the scope of laser destruction systems used by users expands, the specific needs of users for laser destruction systems are also constantly expanding, giving rise to many new requirements. These include scenarios such as police departments breaking through windows of high-rise buildings from a distance when terrorists are holding hostages, fire departments needing to enter from outside high-rise residential buildings to rescue people trapped there, and landscaping departments clearing tall branches of trees that affect the safe operation of roadside high-voltage lines. In performing such tasks, using a circular beam is less efficient. For example, in clearing large, tall branches in landscaping, the cutting effect produced by a linear beam is much more efficient than multiple point-like penetrations, and the control requirements for the pan-tilt unit are also much lower. If the diameter of the target being cut is smaller than the length of the linear beam, the pan-tilt unit can even remain stationary, using the beam to cut in one go, demonstrating the cutting advantage of a linear beam over a point-like beam.
[0003] In principle, a cylindrical lens with a curved surface design can adjust a circular light spot into a linear light spot. However, using only a cylindrical lens presents a problem: for a portable laser destruction system, the radius of the emitted beam is fixed. The linear light spot formed by the cylindrical lens from a circular beam of fixed radius also has a fixed length, making it difficult to meet the specific needs of different sizes and lengths of objects in actual operations. This results in poor flexibility, adaptability, and versatility in the application of the device. Therefore, the optical design for adjusting the light spot shape must first solve the problem of transforming a fixed-size light spot into an adjustable-size light spot. Utility Model Content
[0004] To address the problem of current laser emitting devices transforming fixed-size light spots into adjustable-size light spots, this invention proposes a modular beam shaping device based on a fixed-focus laser destruction system. The device includes a light outlet, which is fixedly disposed on the side of the laser emitting device. A concave lens, a convex lens, and a cylindrical lens are sequentially fixedly disposed outside the light outlet. The concave lens is connected to the convex lens via a first fixed connecting section, and the convex lens is connected to the cylindrical lens via a second fixed connecting section.
[0005] As a preferred embodiment, the first fixed connection segment includes an inner and outer nested telescopic fixed end and a telescopic movable segment, wherein the telescopic movable segment can move up and down within the telescopic fixed end to change the length of the first fixed connection segment.
[0006] As a preferred embodiment, the light outlet is provided with a detachable connecting tube to fix the concave lens.
[0007] As a preferred embodiment, a protective light-emitting port is fixedly provided on the outer side of the cylindrical lens. The protective light-emitting port includes an outer cylinder and a protective lens, with the protective lens fixedly disposed inside the outer cylinder.
[0008] As a preferred embodiment, a dustproof ring is provided on the outer periphery of the protective lens, forming a sealed space between it and the cylindrical lens to prevent foreign objects from entering.
[0009] The beneficial effects of this utility model are as follows:
[0010] This invention can obtain linear light spots of different lengths at the target location by moving the position of the concave lens, which can greatly improve the efficiency of operations such as clearing the branches of garden trees and fire rescue in high-rise residential buildings. It can also form a new beam shaping device as an independent functional module, which can be used in conjunction with the current laser bomb disposal and laser destruction systems to meet the different application needs of different application scenarios. Attached Figure Description
[0011] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein...
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Figure 2 This is a schematic diagram of the exploded structure of this utility model.
[0014] The numbers in the attached diagram are:
[0015] 1. Laser emitting device; 2. Light outlet; 3. Detachable connecting tube; 4. Concave lens; 5. Telescopic fixed connecting section; 51. Telescopic fixed end; 52. Telescopic moving section; 7. Convex lens; 8. Fixed connecting section; 9. Cylindrical lens; 9. Lens; 10. Protective light outlet. Detailed Implementation
[0016] To illustrate the features of this utility model, the following description, in conjunction with the accompanying drawings and embodiments, will further explain this utility model.
[0017] Example:
[0018] Please see Figures 1 to 2This utility model provides a modular beam shaping device based on a fixed-focus laser destruction system, which is used in applications such as high-altitude door and window demolition or garden obstacle removal to meet the special requirements of adjusting the laser beam shape from a circular spot to a linear spot. The specific structure includes a light outlet 2, which is fixedly mounted on the side of a laser emitting device 1. The laser emitting device 1 uses a fiber-coupled semiconductor laser with an output power of 500W.
[0019] Concave lenses 4 are fixedly installed on the outer side of the light outlet 2 and fixed to the light outlet through detachable connecting tubes 3; convex lenses 7 and concave lenses 4 form a beam expanding system, and concave lenses 4 are connected to convex lenses 7 through telescopic fixed connecting sections 5 (adjustment range ±20mm) to achieve fine-tuning of focal length; cylindrical lenses 9 compress the beam thickness, and the final output light spot size is a near-linear light spot, and convex lenses 7 are provided with fixed connecting sections 8 to connect cylindrical lenses 9.
[0020] Preferably, in this embodiment, the telescopic fixed connection segment 5 includes an inner and outer nested telescopic fixed end 51 and a telescopic moving segment 52. The telescopic moving segment 52 can move up and down within the telescopic fixed end 51 to change the length of the telescopic fixed connection segment 5.
[0021] A protective light outlet 10 is fixedly installed on the outer side of the cylindrical lens 9. The protective light outlet 10 includes an outer cylinder and a protective lens. The protective lens is fixedly installed inside the outer cylinder. A dustproof ring is provided on the outer periphery of the protective lens, forming a sealed space between it and the cylindrical lens 9 to prevent foreign objects from entering. The dustproof ring is sealed with fluororubber to ensure airtightness.
[0022] This embodiment can obtain linear light spots of different lengths at the target location by moving the position of the concave lens, which can greatly improve the efficiency of operations in situations such as clearing the branches of garden trees and fire rescue in high-rise residential buildings. It can also form a new beam shaping device as an independent functional module, which can be used in conjunction with the current laser bomb disposal and laser destruction systems to adapt to different application needs in different application scenarios.
[0023] The above embodiments and accompanying drawings are only used to illustrate the technical solutions of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions, or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model. Other related technical structures not disclosed in detail in this utility model are existing technologies in the art.
Claims
1. A modular beam shaping device based on a fixed-focus laser destruction system, comprising a light outlet (2), the light outlet (2) being fixedly disposed on the side of a laser emitting device (1), Its features are, A concave lens (4), a convex lens (7), and a cylindrical lens (9) are fixedly arranged on the outside of the light outlet (2). The concave lens (4) is provided with a telescopic fixed connecting section (5) to connect to the convex lens (7), and the convex lens (7) is provided with a fixed connecting section (8) to connect to the cylindrical lens (9).
2. The modular beam shaping device based on a fixed-focus laser destruction system according to claim 1, characterized in that: The telescopic fixed connection section (5) includes an inner and outer nested telescopic fixed end (51) and a telescopic moving section (52). The telescopic moving section (52) can move up and down within the telescopic fixed end (51) to change the length of the telescopic fixed connection section (5).
3. The modular beam shaping device based on a fixed-focus laser destruction system according to claim 1, characterized in that: The light outlet (2) is provided with a detachable connecting tube (3) to fix and connect the concave lens (4).
4. The modular beam shaping device based on a fixed-focus laser destruction system according to claim 1, characterized in that: The protective light outlet (10) is fixedly provided on the outside of the cylindrical lens (9). The protective light outlet (10) includes an outer cylinder and a protective lens, and the protective lens is fixedly provided inside the outer cylinder.
5. The modular beam shaping device based on a fixed-focus laser destruction system according to claim 4, characterized in that: The protective lens is provided with a dustproof ring on its outer periphery, which forms a sealed space between the protective lens and the cylindrical lens (9) to prevent foreign objects from entering.