A ring light

Abstract

The utility model discloses a kind of annular light sources, including annular light source body, the annular light source body includes installation base, the installation base one side is equipped with light source assembly, the light source assembly is obliquely arranged, the light source assembly one side is equipped with the shell main body of oblique arrangement, the light source assembly one end is connected with installation base, other end is connected with the connecting place of shell main body and installation base, the installation base is equipped with diffusion plate away from shell main body side, the diffusion plate is obliquely covered on the light-exit surface of light source assembly, the shell main body is equipped with several arc protrusions outward, several arc protrusions are vertically superimposed in turn, the heat that the arc protrusion is transferred to shell main body by light source assembly is radiated;The utility model provides a kind of annular light source with good heat dissipation effect, so that annular light source achieves good balance between heat dissipation performance, structural strength, production cost and assembly convenience.

Description

Technical Field

[0001] This utility model relates to the field of light source technology, and in particular to a ring light source. Background Technology

[0002] In the field of industrial automation inspection, machine vision systems are widely used for positioning, measurement, identification, and inspection. Ring light sources, due to their ability to provide uniform diffuse illumination and effectively eliminate shadows and specular reflections, have become one of the most commonly used vision light sources.

[0003] The core light-emitting element of a ring light source is the LED, which generates a large amount of heat during operation. If the heat cannot be dissipated in time, it will cause the LED to experience accelerated light decay, wavelength drift, shortened lifespan, or even direct failure, seriously affecting the stability and measurement accuracy of the vision system.

[0004] Traditional ring light sources suffer from poor heat dissipation, causing them to generate a large amount of heat during use. This can easily damage the internal circuitry and reduce the lifespan of the ring light source. To solve the problem of poor heat dissipation, cooling fans or heat sinks need to be added. This increases the workload of assembly, manufacturing costs, and weight of the ring light source, which greatly hinders its promotion and widespread application. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of poor heat dissipation and increased manufacturing costs in the prior art. To achieve the above objective, this utility model provides a ring light source, including a ring light source body. The ring light source body includes a mounting base. A light source component is mounted on one side of the mounting base. The light source component is inclined. An inclined outer shell body is mounted on one side of the light source component. One end of the light source component is connected to the mounting base, and the other end is connected to the connection between the outer shell body and the mounting base. A diffuser plate is mounted on the side of the mounting base away from the outer shell body. The diffuser plate is inclined and covers the light-emitting surface of the light source component. The outer shell body has several outwardly protruding arc protrusions. The arc protrusions are vertically stacked in sequence, and the arc protrusions dissipate the heat transferred from the light source component to the outer shell body.

[0006] Preferably, the mounting base is annular with an L-shaped cross-section; the mounting base includes a support surface and a support side surface disposed on the side of the support surface; the support side surface is connected to the lower part of the outer shell body by connecting bolts; the lower part of the outer shell body is provided with a plurality of first through holes arranged circumferentially, and the support side surface is provided with threaded holes corresponding to the first through holes, and the connecting bolts pass through the first through holes and are threadedly connected to the threaded holes.

[0007] Preferably, the light source assembly includes a conical PCB board and a plurality of LED beads mounted on the conical PCB board; the LED beads are inclined along the inner conical surface of the conical PCB board; the LED beads emit light, which passes through the diffuser plate and is emitted outward.

[0008] Preferably, the outer shell body includes a first plane, a first inclined surface disposed on one side of the first plane, and a first vertical surface disposed below the first inclined surface; the arc protrusion is disposed on the first inclined surface, the first through hole is disposed on the first vertical surface, and an annular vertical edge is provided on the side of the first plane away from the first inclined surface; the first plane and the annular vertical edge form a first limiting right angle to limit one end of the tapered PCB board, and the first vertical surface and the supporting surface form a second limiting right angle to limit the other end of the tapered PCB board.

[0009] Preferably, the first plane is provided with a plurality of first mounting posts evenly distributed along the circumference, and the first mounting posts are provided with internal threads for mounting the ring light source body on a camera or bracket.

[0010] Preferably, a thermally conductive silicone pad is also installed between the tapered PCB board and the first inclined surface. One side of the thermally conductive silicone pad is in close contact with the tapered PCB board, and the other side is in close contact with the arc protrusion.

[0011] Preferably, a third through hole is provided between the first inclined surface and the first vertical surface. The annular light source body also includes a power line, which passes through the third through hole and is electrically connected to the tapered PCB board to drive the LED beads to emit light.

[0012] Preferably, the diffuser plate includes a second plane at the bottom, a second inclined surface on one side of the second plane, and a second vertical surface at the top of the second inclined surface; the lower part of the support surface is provided with a plurality of second mounting posts evenly distributed along the circumference, the second mounting posts are provided with internal threads, and the second plane is connected to the lower part of the second mounting posts by connecting bolts; the second plane is provided with a plurality of second through holes arranged along the circumference, and the connecting bolts pass through the second through holes and are threadedly connected to the second mounting posts.

[0013] Preferably, the side of the annular vertical edge away from the first plane is provided with a third plane, and the second vertical plane is in perpendicular contact with the third plane to seal the light source assembly.

[0014] Preferably, the first plane, the first inclined plane, the first vertical plane, the annular edge, the third plane, and the arc protrusion are integrally formed by stamping and bending.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] The light source component in this invention emits light outwards. After passing through the diffuser plate, the light is emitted outwards, transforming the point light source emitted by the LED beads into a uniform surface light source. The light source component transfers heat to the outer casing. The outer casing has several outwardly protruding arc-shaped protrusions, which are vertically stacked in sequence to dissipate the heat transferred from the light source component to the outer casing.

[0017] Furthermore, the arc-shaped protrusion effectively increases the heat dissipation area. It is formed by sheet metal stamping and has good thermal conductivity, which can quickly conduct the heat generated by the light source component to the surface and dissipate it through air convection, thereby effectively controlling the temperature of the light source component.

[0018] Furthermore, the sheet metal bending process creates a robust outer shell with high mechanical strength, while the outward-protruding arc-shaped ribs further enhance its reinforcing properties, resulting in an extremely sturdy overall structure. Simultaneously, the lower cost of stamping production contributes to reduced overall production costs. The ring light source body comprises only a mounting base, light source assembly, outer shell, and diffuser plate, enabling quick assembly and improving efficiency. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a front structural diagram of a ring light source provided by this utility model;

[0021] Figure 2 This is a schematic diagram of the bottom structure of a ring light source provided by this utility model;

[0022] Figure 3 This is a cross-sectional schematic diagram of a ring light source provided by this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the mounting base provided by this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the light source assembly provided by this utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the outer shell body provided by this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the diffusion plate provided by this utility model.

[0027] The diagram includes:

[0028] 8. Ring-shaped light source body; 1. Mounting base; 2. Light source assembly; 3. Housing body; 4. Diffuser plate; 31. Arc protrusion; 11. Support surface; 12. Support side; 6. Connecting bolt; 32. First through hole; 121. Threaded hole; 21. Conical PCB board; 22. LED lamp bead; 33. First plane; 34. First inclined plane; 35. First vertical plane; 36. Ring-shaped vertical edge; 37. First mounting post; 38. Third through hole; 7. Power cord; 41. Second plane; 42. Second inclined plane; 43. Second vertical plane; 17. Second mounting post; 44. Second through hole; 39. Third plane. Detailed Implementation

[0029] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please refer to Figures 1 to 7 This utility model provides a ring light source.

[0031] like Figure 3 As shown, the ring light source body 8 includes a mounting base 1, a light source assembly 2, a housing body 3, and a diffuser plate 4. The components are fixedly connected by snap-fit ​​limiting and connecting bolts 6, resulting in a compact structure that is easy to assemble and disassemble.

[0032] like Figure 3 and Figure 4 As shown, the ring light source body 8 includes a mounting base 1, which is a ring structure. Its upper surface is provided with a support surface 11 and a support side surface 12. The support surface 11 is used to support the light source assembly 2, and the support side surface 12 is attached to the bottom of the outer shell body 3 and fixed by connecting bolts 6 to ensure the stability of the overall structure.

[0033] like Figure 3 As shown, in this embodiment, the light source component 2 is inclined, and an inclined housing body 3 is installed on one side of the light source component 2, and a diffuser plate 4 is inclined and covers the light emitting surface of the light source component 2 on the other side. One end of the light source component 2 is snapped into the mounting base 1, and the other end is snapped into the connection between the housing body 3 and the mounting base 1, so as to achieve stable installation with both ends snapped in place.

[0034] The light emitted by the light source component 2 is evenly scattered by the diffuser plate 4, and the heat generated is transferred to the outside through the outer shell body 3, effectively improving heat dissipation efficiency and light uniformity; furthermore, the outer shell body 3 is provided with several outwardly protruding arc protrusions 31, and the several arc protrusions 31 are vertically stacked in sequence, and the arc protrusions 31 dissipate the heat transferred from the light source component 2 to the outer shell body 3.

[0035] Furthermore, the arc protrusion 31 effectively increases the heat dissipation area. It is formed by sheet metal stamping and has good thermal conductivity. It can quickly conduct the heat generated by the light source component 2 to the surface and dissipate it through air convection, thereby effectively controlling the temperature of the light source component 2.

[0036] like Figure 4 As shown, the mounting base 1 is annular with an L-shaped cross-section, and is composed of a support surface 11 and a support side 12 connected vertically. The support surface 11 is used to support the conical PCB board 21, and the support side 12 is connected to the lower part of the outer shell body 3 by connecting bolts 6; thus achieving a stable connection between the mounting base 1 and the outer shell body 3, while facilitating disassembly and maintenance.

[0037] Furthermore, the lower part of the outer shell body 3 is provided with a plurality of first through holes 32 arranged along the circumference, and the supporting side 12 is provided with threaded holes 121 corresponding to the first through holes 32. The connecting bolt 6 passes through the first through holes 32 and is threadedly connected to the threaded holes 121.

[0038] like Figure 5 As shown, the light source assembly 2 includes a conical PCB board 21 and a plurality of LED beads 22 mounted on the conical PCB board 21; the LED beads 22 are inclined along the inner conical surface of the conical PCB board 21; the LED beads 22 emit light, which passes through the diffuser plate 4 and is emitted outward.

[0039] In other embodiments, the LED beads 22 can also be arranged in a spiral along the inner conical surface to ensure that the light emission angle covers a wider area and improves the uniformity of illumination.

[0040] like Figure 6 As shown, the outer shell body 3 includes a first plane 33, a first inclined surface 34 disposed on one side of the first plane 33, and a first vertical surface 35 disposed at the lower part of the first inclined surface 34; wherein, the arc protrusion 31 is disposed on the first inclined surface 34, and the first through hole 32 is disposed on the first vertical surface 35.

[0041] Furthermore, to securely lock and limit the two ends of the tapered PCB board 21, an annular vertical edge 36 is provided on the side of the first plane 33 away from the first inclined surface 34. The first plane 33 and the annular vertical edge 36 form a first limiting right angle, limiting one end of the tapered PCB board 21. The first vertical surface 35 and the supporting surface 11 form a second limiting right angle, limiting the other end of the tapered PCB board 21. Through the cooperation of the first and second limiting right angles, the tapered PCB board 21 is accurately positioned and securely fixed, preventing displacement or vibration during operation, ensuring the stability of the light path between the LED beads 22 and the diffuser plate 4, and further improving the lighting quality and optical consistency.

[0042] like Figure 6 As shown, the first plane 33 is provided with a plurality of first mounting posts 37 evenly distributed along the circumference. The first mounting posts 37 are provided with internal threads for mounting the ring light source body 8 onto a camera or bracket. Through the threaded connection between the first mounting posts 37 and external devices, the ring light source body 8 can be quickly installed and accurately positioned, reducing imaging errors caused by illumination offset. At the same time, the first mounting posts 37 are evenly distributed on the first plane 33, which makes the installation force balanced and improves the structural stability.

[0043] like Figure 3 As shown, a thermally conductive silicone pad is also installed between the conical PCB board 21 and the first inclined surface 34. Under pressure, the thermally conductive silicone pad fills the tiny gap between the two and undergoes a certain deformation to enhance the contact area, so that one side of the thermally conductive silicone pad is in close contact with the conical PCB board 21 and the other side is in close contact with the arc protrusion 31; thereby effectively improving the heat conduction efficiency, quickly transferring the heat generated by the LED lamp bead 22 during operation to the outer shell body 3 for heat dissipation, and avoiding excessive local temperature affecting the lifespan and luminous efficiency stability of the light source.

[0044] like Figure 3 As shown, a third through hole 38 is provided between the first inclined surface 34 and the first vertical surface 35. The ring light source body 8 also includes a power line 7. The third through hole 38 is used for wiring. The power line 7 passes through the third through hole 38 and is electrically connected to the tapered PCB board 21 to drive the LED beads 22 to emit light.

[0045] like Figure 7As shown, the diffuser plate 4 includes a second plane 41 disposed at the lower part, a second inclined surface 42 disposed on one side of the second plane 41, and a second vertical surface 43 disposed on the upper part of the second inclined surface 42; the lower part of the support surface 11 is provided with a plurality of second mounting posts 17 evenly distributed along the circumference, the second mounting posts 17 are provided with internal threads, and the second plane 41 is connected to the lower part of the second mounting posts 17 by connecting bolts 6; the second plane 41 is provided with a plurality of second through holes 44 arranged along the circumference, and the connecting bolts 6 pass through the second through holes 44 and are threadedly connected to the second mounting posts 17.

[0046] like Figure 3 As shown, the annular vertical edge 36 has a third plane 39 on the side away from the first plane 33, and the second vertical surface 43 is in perpendicular contact with the third plane 39 to seal the light source assembly 2.

[0047] In this embodiment, the outer shell body 3 is made of galvanized steel sheet, and the first plane 33, the first inclined plane 34, the first vertical plane 35, the annular vertical edge 36, the third plane 39 and the arc protrusion 31 are integrally formed by stamping and bending.

[0048] Furthermore, the outer shell body 3 itself possesses high mechanical strength, and the outwardly protruding arc-shaped protrusions 31 further serve as reinforcing ribs, making the overall structure extremely robust. At the same time, stamping production has lower costs, helping to reduce overall production costs.

[0049] The assembly steps of the ring light source body 8 are as follows:

[0050] Step S1: The outer shell body 3 is made of galvanized steel sheet by stamping and bending to form: a first plane 33, a first inclined plane 34, a first vertical plane 35, an annular vertical edge 36, a third plane 39, and an arc protrusion 31; a first mounting post 37 is welded on the first plane 33, a first through hole 32 is opened on the first vertical plane 35, and a third through hole 38 is opened between the first inclined plane 34 and the first vertical plane 35;

[0051] Step S2: Process the mounting base 1, which can also be formed by stamping and bending galvanized steel plate; form the support surface 11 and the support side 12, and weld the second mounting column 17 at the bottom of the support surface 11, and open the threaded hole 121 on the support side 12.

[0052] Step S3: Install the LED beads 22 on the tapered PCB board 21 to form the light source assembly 2;

[0053] Step S4: Machining the following on the diffuser plate 4: second plane 41, second inclined surface 42, and second vertical surface 43; and machining the second through hole 44 on the second plane 41;

[0054] Step S5: A thermally conductive silicone pad is attached to the side of the tapered PCB board 21 away from the LED beads 22; the light source assembly 2 is attached to the inner side of the first inclined surface 34; the outer shell body 3 is fixedly connected to the mounting base 1 by connecting bolts 6, and the connecting bolts 6 pass through the first through hole 32 and are threadedly connected to the threaded hole 121; at this time, one end of the tapered PCB board 21 is limited by the first limiting right angle, and the other end is limited by the second limiting right angle;

[0055] Step S6: Install the diffuser plate 4. The second plane 41 is connected to the lower part of the second mounting post 17 by the connecting bolt 6. The connecting bolt 6 passes through the second through hole 44 and is threaded to the second mounting post 17. The second vertical surface 43 is in perpendicular contact with the third plane 39 to seal the light source assembly 2. Thus, the assembly of the ring light source body 8 is completed.

[0056] The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present utility model shall be considered equivalent substitutions and shall be included within the protection scope of the present utility model.

Claims

1. A ring-shaped light source, characterized in that: The device includes a ring light source body (8), which includes a mounting base (1). A light source component (2) is mounted on one side of the mounting base (1). The light source component (2) is inclined. An inclined outer shell body (3) is mounted on one side of the light source component (2). One end of the light source component (2) is connected to the mounting base (1), and the other end is connected to the connection between the outer shell body (3) and the mounting base (1). A diffuser plate (4) is mounted on the side of the mounting base (1) away from the outer shell body (3). The diffuser plate (4) is inclined and covers the light-emitting surface of the light source component (2). The outer shell body (3) has several outwardly protruding arc protrusions (31). The arc protrusions (31) are vertically stacked in sequence. The arc protrusions (31) dissipate the heat transferred from the light source component (2) to the outer shell body (3).

2. The ring light source according to claim 1, characterized in that: The mounting base (1) is annular with an L-shaped cross-section; the mounting base (1) includes a support surface (11) and a support side surface (12) provided on the side of the support surface (11); the support side surface (12) is connected to the lower part of the outer shell body (3) by connecting bolts (6); the lower part of the outer shell body (3) is provided with a plurality of first through holes (32) arranged along the circumference, and the support side surface (12) is provided with threaded holes (121) corresponding to the first through holes (32), and the connecting bolts (6) pass through the first through holes (32) and are threadedly connected to the threaded holes (121).

3. A ring light source according to claim 2, characterized in that: The light source assembly (2) includes a conical PCB board (21) and a number of LED beads (22) mounted on the conical PCB board (21); the LED beads (22) are inclined along the inner conical surface of the conical PCB board (21); the LED beads (22) emit light, which passes through the diffuser plate (4) and shines outward.

4. A ring light source according to claim 3, characterized in that: The outer shell body (3) includes a first plane (33), a first inclined surface (34) disposed on one side of the first plane (33), and a first vertical surface (35) disposed at the lower part of the first inclined surface (34); the arc protrusion (31) is disposed on the first inclined surface (34), the first through hole (32) is disposed on the first vertical surface (35), and an annular vertical edge (36) is provided on the side of the first plane (33) away from the first inclined surface (34); the first plane (33) and the annular vertical edge (36) form a first limiting right angle to limit one end of the tapered PCB board (21), and the first vertical surface (35) and the support surface (11) form a second limiting right angle to limit the other end of the tapered PCB board (21).

5. A ring light source according to claim 4, characterized in that: The first plane (33) is provided with a plurality of first mounting posts (37) evenly distributed along the circumference. The first mounting posts (37) are provided with internal threads for mounting the ring light source body (8) on a camera or bracket.

6. A ring light source according to claim 4, characterized in that: A thermally conductive silicone pad is also installed between the tapered PCB board (21) and the first inclined surface (34). One side of the thermally conductive silicone pad is in close contact with the tapered PCB board (21), and the other side is in close contact with the arc protrusion (31).

7. A ring light source according to claim 4, characterized in that: A third through hole (38) is provided between the first inclined surface (34) and the first vertical surface (35). The ring light source body (8) also includes a power line (7). The power line (7) passes through the third through hole (38) and is electrically connected to the tapered PCB board (21) to drive the LED beads (22) to emit light.

8. A ring light source according to claim 4, characterized in that: The diffuser plate (4) includes a second plane (41) at the bottom, a second inclined plane (42) on one side of the second plane (41), and a second vertical plane (43) on the upper part of the second inclined plane (42); the support surface (11) is provided with a plurality of second mounting posts (17) evenly distributed along the circumference at the bottom, the second mounting posts (17) are provided with internal threads, the second plane (41) is connected to the lower part of the second mounting posts (17) by connecting bolts (6); the second plane (41) is provided with a plurality of second through holes (44) arranged along the circumference, the connecting bolts (6) pass through the second through holes (44) and are threaded to the second mounting posts (17).

9. A ring light source according to claim 8, characterized in that: The annular vertical edge (36) has a third plane (39) on the side away from the first plane (33), and the second vertical surface (43) is in perpendicular contact with the third plane (39) to seal the light source assembly (2).

10. A ring light source according to claim 9, characterized in that: The first plane (33), the first inclined plane (34), the first vertical plane (35), the annular vertical edge (36), the third plane (39), and the arc protrusion (31) are integrally formed by stamping and bending.

Images