Focusing light spot edge energy enhancing device
By combining a non-uniform curvature array lens with an LED array light source, the problem of uneven energy distribution in the laser device was solved, the energy at the edge of the laser spot was enhanced, the processing effect and equipment adaptability were improved, and production efficiency and safety were increased.
Patent Information
- Application Number
- CN202520039534.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-08
AI Technical Summary
In existing laser devices, the energy distribution of the focused spot is uneven, especially the energy at the edges is insufficient, resulting in uneven processing effects and insufficient flexibility and versatility.
The design employs a combination of non-uniform curvature array lenses and LED array light sources. The lens angle and light source position are adjusted by motors and electric push rods. Combined with array collimating elements and focusing beam combining surfaces, the design achieves precise beam control and enhanced energy density.
It improves the energy density at the edge of the light spot, enhances the uniformity and precision of processing, increases the flexibility and versatility of the equipment, adapts to more working environments and task requirements, and improves production efficiency and safety.
Smart Images

Figure CN223582223U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to laser technology field, especially relate to a focused light spot edge energy enhancement device. BACKGROUND
[0002] In laser applications, the energy distribution of focused light spots usually presents the characteristics of high center and low edge. This energy distribution feature may lead to uneven processing effect in some application scenarios, such as lower edge quality than center area in laser cutting and welding. Therefore, enhancing the energy of the edge of the focused light spot helps to achieve more uniform and fine processing effect. In the process of laser cutting, welding and other laser processing, enhancing the edge energy of the focused light spot can achieve more uniform and meticulous processing effect, improve the quality and consistency of the product; in laser spot removal, hair removal and other medical and cosmetic projects, increasing the edge energy of the focused light spot can ensure that the energy distribution of the treatment area is more uniform.
[0003] After searching, in the prior art, Chinese patent publication No. CN217484577U, authorized on September 23, 2022, discloses a lens that can improve the uniformity of light spot edge energy, including a lens barrel, a mounting plate is arranged at the bottom of the lens barrel, a first skirt is arranged at the bottom side of the lens barrel, the mounting plate is in contact with the first skirt, at least three screws are equidistantly arranged at the bottom of the mounting plate, the screws pass through the mounting plate and are screwed on the first skirt, the mounting plate can be fixed on the first skirt by the screws, so that the mounting plate and the lens barrel are fixed together, and the fixation is more stable. The above-mentioned embodiment can be easily replaced.
[0004] However, the device still has the following defects: the positions of the lens and the reflecting surface in the above-mentioned embodiment are fixed, and the user cannot adjust the light path according to specific application requirements. This limitation reduces the flexibility of the device, making it difficult to adapt to various working environments and task requirements, thereby limiting the multifunctionality and practicality of the device. UTILITY MODEL CONTENT
[0005] In view of the above problems, the utility model provides a focused light spot edge energy enhancement device, which comprises a supporting plate, a bottom plate is installed at the bottom of the supporting plate, an arc-shaped connecting plate is installed at the top of the supporting plate, a non-uniform curvature array lens is arranged above the arc-shaped connecting plate;
[0006] The non-uniform curvature array lens comprises a fixed frame, an array collimating surface element and a light converging and combining surface are arranged in the fixed frame, two groups of connecting blocks are symmetrically arranged at one end of the fixed frame, two groups of electric push rods are symmetrically installed on the side wall away from the fixed frame of each group of connecting blocks, one group of mounting blocks is arranged at the end away from the fixed frame of each group of connecting blocks, an installation plate is arranged above the bottom plate, and an LED array light source is arranged on the side wall close to the fixed frame of the installation plate.
[0007] Further, the top of the bottom plate is provided with a fixing plate, and the other end of the fixing plate is installed on a side wall of the supporting plate.
[0008] Further, the bottom plate is provided in a rectangular structure, and the fixing plate is provided in an inclined shape.
[0009] Further, two groups of fixing rods are symmetrically installed at two ends of the fixed frame, and the end of each group of fixing rods away from the fixed frame is rotationally connected to the arc-shaped connecting plate.
[0010] Further, a motor is symmetrically arranged at two ends of the arc-shaped connecting plate, and the output end of each group of motors is transmissionally connected to one of the fixing rods after penetrating through the arc-shaped connecting plate.
[0011] Further, a plurality of groups of connecting columns are installed on one side wall of each group of connecting blocks close to the fixed frame, and the other end of each group of connecting columns is installed on the fixed frame.
[0012] Further, the output end of each group of electric push rods is installed at the edge of one side wall of one of the mounting blocks, and the mounting plate is installed between the two groups of mounting blocks.
[0013] The utility model discloses the beneficial effect is:
[0014] 1, the starting motor drives the fixed rod to rotate and drives the fixed frame to rotate, adjusts the angle of the non-uniform curvature array lens, and the starting electric push rod drives the mounting block to move and drives the mounting plate and LED array light source to move, adjusts the position of the LED array light source, and the user can adjust the angle of the non-uniform curvature array lens and the position of the LED array light source according to actual demand, improves the flexibility, can adapt to more kinds of working environment and task requirement, improves the multifunction and practicality of equipment.
[0015] 2, the LED of maximum power and divergence angle is arranged in the center of the LED array light source, the power and divergence angle of the edge LED gradually decrease, and the LED array light source and the array collimation surface element are matched with each other, so that the light beam emitted by each LED can be collimated, and the collimated light beam can be focused through the light collecting and combining surface, the focusing characteristics of the light beam can be more finely controlled, the energy density of the light spot edge is enhanced, and the light beam quality is improved.
[0016] The other features and advantages of the utility model will be set forth in the subsequent description, and, partially, become apparent from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structure indicated in the description, claims and drawings. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 The structure schematic diagram of the reinforcing device according to the embodiment of the present application is shown.
[0019] Figure 2 The split schematic diagram of the reinforcing device according to the embodiment of the present application is shown.
[0020] Figure 3 The structure schematic diagram of the non-uniform curvature array lens according to the embodiment of the present application is shown.
[0021] Figure 4 The structure schematic diagram of the LED array light source according to the embodiment of the present application is shown.
[0022] Figure 5 The light path schematic diagram of the non-uniform curvature lens light spot edge enhancement according to the embodiment of the present application is shown.
[0023] In the figure: 1, support plate; 2, bottom plate; 3, fixed plate; 4, arc-shaped connecting plate; 5, non-uniform curvature array lens; 51, fixed frame; 52, array collimation surface element; 53, light condensation and beam combining surface; 6, fixed rod; 7, motor; 8, connecting column; 9, connecting block; 10, electric push rod; 11, mounting block; 12, mounting plate; 13, LED array light source. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0025] The embodiment of the present application provides a kind of focusing light spot edge energy reinforcing device, including support plate 1, exemplary, such as Figure 1 、 Figure 2 And Figure 3As shown, the bottom of the support plate 1 is provided with a bottom plate 2, the bottom plate 2 is provided in a rectangular structure, the top of the bottom plate 2 is provided with a fixed plate 3, the fixed plate 3 is provided in an inclined shape, the other end of the fixed plate 3 is installed on one side wall of the support plate 1, the top of the support plate 1 is provided with an arc-shaped connecting plate 4, and the upper side of the arc-shaped connecting plate 4 is provided with a non-uniform curvature array lens 5.
[0026] The non-uniform curvature array lens 5 comprises a fixed frame 51, and the fixed frame 51 is provided with an array collimating surface element 52 and a light converging and combining surface 53.
[0027] The two ends of the fixed frame 51 are symmetrically provided with two groups of fixed rods 6, one end of each group of fixed rods 6 away from the fixed frame 51 is rotatably connected to the arc-shaped connecting plate 4, the two ends of the arc-shaped connecting plate 4 are symmetrically provided with motors 7, and the output ends of each group of motors 7 are transmissionally connected to one group of fixed rods 6 after penetrating through the arc-shaped connecting plate 4.
[0028] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , one end of the fixed frame 51 is symmetrically provided with two groups of connecting blocks 9, one side wall of each group of connecting blocks 9 close to the fixed frame 51 is provided with a plurality of groups of connecting columns 8, the other end of each group of connecting columns 8 is installed on the fixed frame 51, and one side wall of each group of connecting blocks 9 away from the fixed frame 51 is symmetrically provided with two groups of electric push rods 10. One end of each group of connecting blocks 9 away from the fixed frame 51 is provided with one group of mounting blocks 11, the output end of each group of electric push rods 10 is installed at the edge of one side wall of one group of mounting blocks 11, the upper side of the bottom plate 2 is provided with a mounting plate 12, the mounting plate 12 is installed between the two groups of mounting blocks 11, and the side wall of the mounting plate 12 close to the fixed frame 51 is provided with an LED array light source 13.
[0029] Working principle: the center of the LED array light source 13 is arranged with the LED with the largest power and divergence angle, the power and divergence angle of the LED at the edge gradually decreases, the LED array light source 13 and the array collimating surface element 52 are matched with each other, so that the light beams emitted by each LED can be collimated, the collimated light beams are focused through the light converging and combining surface 53, the focusing characteristics of the light beams can be more finely controlled, the energy density of the light spot edge is enhanced, and the light beam quality is improved, which is very important for applications requiring high-precision light beam processing, such as laser cutting, welding, marking and other industrial processing fields, and medical applications such as ophthalmic surgery.
[0030] The starting motor 7 drives the fixed rod 6 to rotate, and drives the fixed frame 51 to rotate, adjusts the angle of the non-uniform curvature array lens 5, and the starting electric push rod 10 drives the mounting block 11 to move, drives the mounting plate 12 and the LED array light source 13 to move, adjusts the position of the LED array light source 13, and the user can adjust the angle of the non-uniform curvature array lens 5 and the position of the LED array light source 13 according to actual needs, improve the flexibility, can adapt to more kinds of working environment and task requirements, improve the multifunction and practicality of the equipment.
[0031] Higher spot edge energy density means better results when processing materials, such as faster speeds, deeper penetration, or higher resolution, which for certain specific processes translates directly into increased production efficiency, improving work efficiency.
[0032] Precise control of the light beam can help reduce unnecessary heat accumulation or impact on surrounding areas, thereby reducing potential safety risks, improving safety and reliability.
[0033] By adjusting the focal length, lens type, and other parameters of the focusing lens, the energy distribution of the spot can be improved. Lenses with shorter focal lengths can typically achieve tighter beam focusing, resulting in higher energy density at the spot edge, to achieve the enhancement of spot edge energy. This method is particularly effective in laser marking, welding, and other applications, and can significantly improve the quality of the processing edge.
[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. A device for enhancing the energy of the edges of a focused light spot, comprising a support plate (1), characterized in that: The bottom of the support plate (1) is provided with a bottom plate (2), and the top of the support plate (1) is provided with an arc-shaped connecting plate (4), and the upper side of the arc-shaped connecting plate (4) is provided with a non-uniform curvature array lens (5). The non-uniform curvature array lens (5) comprises a fixed frame (51), and an array collimating surface element (52) and a light condensing and combining surface (53) are arranged in the fixed frame (51); two groups of connecting blocks (9) are symmetrically arranged at one end of the fixed frame (51); two groups of electric push rods (10) are symmetrically arranged on the side wall of the fixed frame (51) away from each group of connecting blocks (9); one group of mounting blocks (11) is arranged at the end of each group of connecting blocks (9) away from the fixed frame (51); an installation plate (12) is arranged above the bottom plate (2); and an LED array light source (13) is arranged on the side wall of the installation plate (12) close to the fixed frame (51).
2. The focused spot edge energy enhancement device of claim 1, wherein: The top of the bottom plate (2) is provided with a fixed plate (3), and the other end of the fixed plate (3) is arranged on the side wall of the support plate (1).
3. The focused spot edge energy enhancement device of claim 2, wherein: The bottom plate (2) is in a rectangular structure, and the fixed plate (3) is in an inclined shape.
4. The focused spot edge energy enhancement device of claim 1, wherein: Two groups of fixed rods (6) are symmetrically arranged at the two ends of the fixed frame (51), and the end of each group of fixed rods (6) away from the fixed frame (51) is rotatably connected to the arc-shaped connecting plate (4).
5. The focused spot edge energy enhancement device of claim 4, wherein: The two ends of the arc-shaped connecting plate (4) are symmetrically provided with motors (7), and the output ends of each group of motors (7) are transmissionally connected to one of the groups of fixed rods (6) after penetrating through the arc-shaped connecting plate (4).
6. The focused spot edge energy enhancement device of claim 1, wherein: A plurality of groups of connecting columns (8) are arranged on the side wall of each group of connecting blocks (9) close to the fixed frame (51), and the other end of each group of connecting columns (8) is arranged on the fixed frame (51).
7. The focused spot edge energy enhancement device of claim 6, wherein: The output end of each group of electric push rods (10) is arranged at the side wall edge of one of the groups of mounting blocks (11), and the installation plate (12) is arranged between the two groups of mounting blocks (11).
Citation Information
Patent Citations
Lens capable of improving light spot edge energy uniformity
CN217484577U