Light source assembly with multiple light polymerization and visual inspection device

Abstract

The embodiment of the utility model discloses a light source assembly with multiple light polymerization and a visual inspection device, which are used for solving the technical problem that the irradiation intensity of the existing light source assembly is insufficient. The embodiment of the utility model comprises a grid reflector, a first light source body, a second light source body and a condensation module, the grid reflecting mirror is located above the condensation module and forms a certain inclined angle with the plane where the condensation module is located; a plurality of reflection areas and transmission areas are alternately arranged on the grid reflector; the first light source body is located on one side of the grid reflecting mirror, and first light emitted by the first light source body irradiates into a reflecting area of the grid reflecting mirror and is reflected to the condensation module through the reflecting area; the second light source body is located above the grid reflecting mirror, and second light rays emitted by the second light source body irradiate the transmission area of the grid reflecting mirror and are transmitted to the condensation module through the transmission area; the light gathering module is used for gathering the first light and the second light.

Description

Technical Field

[0001] The utility model relates to the technical field of vision detection, in particular to a light source assembly with multiple light aggregations and a vision detection device. Background Art

[0002] The detection of existing workpieces is generally completed by a vision detection device. The vision detection device specifically includes a detection camera, a lens connected to the detection camera, and a light source assembly. Among them, the light source assembly is used to emit irradiation light onto the surface to be measured of the workpiece, and the detection camera is used to obtain the light reflected from the surface to be measured to form an image.

[0003] Currently, the commonly used light source assembly generally includes a PCB board and lamp beads arranged on the PCB board. In actual work, the light intensity emitted by the above light source assembly is insufficient. During shooting, the exposure time is long, which limits the CYCLE TIME (production cycle time) of the vision detection device, resulting in insufficient detection efficiency of the vision detection device. Although the driving current of the LED / LD can be increased to increase the cavity light intensity, the adjustment range is limited, and there are still limitations on the production cycle time and detection efficiency of the device.

[0004] Therefore, finding a technical solution that can solve the above technical problems has become an important research topic for those skilled in the art. Summary of the Utility Model

[0005] The embodiment of the utility model discloses a light source assembly with multiple light aggregations and a vision detection device, which are used to solve the technical problem of insufficient irradiation intensity of the existing light source assembly.

[0006] A light source assembly with multiple light aggregations provided by the utility model includes a grid mirror, a first light source body, a second light source body, and a light condensing module;

[0007] The grid mirror is located above the light condensing module and forms a certain inclination angle with the plane where the light condensing module is located;

[0008] Multiple reflection areas and transmission areas are alternately arranged on the grid mirror;

[0009] The first light source body is located on one side of the grid mirror, and the first light emitted by the first light source body irradiates into the reflection area of the grid mirror and is reflected by the reflection area to the light condensing module;

[0010] The second light source body is located above the grid mirror, and the second light emitted by the second light source body irradiates into the transmission area of the grid mirror and is transmitted through the transmission area to the light condensing module;

[0011] The condenser module is used to converge the first light ray and the second light ray.

[0012] Optionally, a reflective film layer is provided on the grid mirror to form the reflection area.

[0013] Optionally, a transmissive film layer is provided on the grid mirror to form the transmission area.

[0014] Optionally, the plane where the first light source body is located is perpendicular to the plane where the second light source body is located, and the plane where the first light source body is located forms a 45° angle with the plane where the grid mirror is located, and the plane where the second light source body is located forms a 45° angle with the plane where the grid mirror is located.

[0015] Optionally, the condenser module is a biconvex lens.

[0016] Optionally, the first light source body includes a first PCB board and a first light-emitting diode (LED) disposed on the first PCB board;

[0017] The number of the first LEDs is multiple, and the multiple first LEDs are arranged in a straight line on the first PCB board and are spaced apart by a preset distance.

[0018] Optionally, the second light source body includes a second PCB board and a second LED disposed on the second PCB board;

[0019] The number of the second LEDs is multiple, and the multiple second LEDs are arranged in a straight line on the second PCB board and are spaced apart by a preset distance.

[0020] Optionally, the first light source body further includes a first heat dissipation substrate, and the first heat dissipation substrate is disposed on the side surface of the first PCB board away from the first LED.

[0021] Optionally, the second light source body further includes a second heat dissipation substrate, and the second heat dissipation substrate is disposed on the side surface of the second PCB board away from the second LED.

[0022] A vision detection device provided by the present utility model includes a detection camera, a lens, and the above-described light source assembly with multiple light aggregations.

[0023] Compared with the prior art, the present utility model has the following beneficial effects:

[0024] In the light source assembly with multiple light aggregations of this embodiment, the first light source body is located on one side of the grid mirror. The first light emitted by the first light source body irradiates into the reflection area of the grid mirror and is reflected by the reflection area to the condenser module. The second light source body is located above the grid mirror. The second light emitted by the second light source body irradiates into the transmission area of the grid mirror and is transmitted through the transmission area to the condenser module. The condenser module converges the first light and the second light. Through the above design, the first light and the second light are respectively emitted and transmitted through the grid mirror and then converged and intersected by the condenser module, so as to obtain a higher illumination intensity at the convergence and intersection of the first light and the second light, effectively overcoming the problem of insufficient irradiation intensity of the current light source assembly, and effectively solving the situation where the throughput and production cycle time of the vision inspection device are limited. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1 Structural schematic diagram of a light source assembly with multiple light aggregations provided by an embodiment of the present invention;

[0027] Figure 2 Another angle structural schematic diagram of a light source assembly with multiple light aggregations provided by an embodiment of the present invention;

[0028] Illustration: First light source body 1; First PCB board 101; First lamp bead 102; Second light source body 2; Second PCB board 201; Second lamp bead 202; Grid mirror 3; Reflection area 301; Transmission area 302; Condenser module 4; First light A; Second light B; Converging light C. Detailed Embodiments

[0029] An embodiment of the present invention discloses a light source assembly with multiple light aggregations and a vision inspection device, which are used to solve the technical problem of insufficient irradiation intensity of the existing light source assembly.

[0030] To enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] Please refer to Figure 1 and Figure 2 , a light source assembly for multiple light aggregations provided by an embodiment of the present utility model includes a grid mirror 3, a first light source body 1, a second light source body 2, and a light condensing module 4;

[0032] The grid mirror 3 is located above the light condensing module 4 and forms a certain inclination angle with the plane where the light condensing module 4 is located;

[0033] A plurality of reflection regions 301 and transmission regions 302 are alternately arranged on the grid mirror 3;

[0034] The first light source body 1 is located on one side of the grid mirror 3, and the first light emitted by the first light source body 1 irradiates into the reflection region 301 of the grid mirror 3 and is reflected by the reflection region 301 to the light condensing module 4;

[0035] The second light source body 2 is located above the grid mirror 3, and the second light emitted by the second light source body 2 irradiates into the transmission region 302 of the grid mirror 3 and is transmitted through the transmission region 302 to the light condensing module 4;

[0036] The light condensing module 4 is used to converge the first light and the second light.

[0037] In the light source assembly for multiple light aggregations of this embodiment, the first light source body 1 is located on one side of the grid mirror 3. The first light emitted by the first light source body 1 irradiates into the reflection region 301 of the grid mirror 3 and is reflected by the reflection region 301 to the light condensing module 4. The second light source body 2 is located above the grid mirror 3. The second light emitted by the second light source body 2 irradiates into the transmission region 302 of the grid mirror 3 and is transmitted through the transmission region 302 to the light condensing module 4. The light condensing module 4 converges the first light and the second light. Through the above design, the first light and the second light are respectively reflected and transmitted by the grid mirror 3 and then converged and intersected by the light condensing module 4, so as to obtain a higher illumination intensity at the convergence and intersection of the first light and the second light, effectively overcoming the problem of insufficient irradiation intensity of the current light source assembly and effectively solving the situation where the throughput and production cycle time of the vision detection device are limited.

[0038] Further, a reflective film layer is provided on the grid mirror 3 in this embodiment to form the reflection area 301, and a transmissive film layer is provided on the grid mirror 3 to form the transmission area 302.

[0039] It should be noted that there are multiple transmission areas 302 and multiple reflection areas 301 in this embodiment. The multiple transmission areas 302 and the multiple reflection areas 301 are alternately arranged on the grid mirror 3. It can be simply understood that the reflection area 301 is arranged beside the transmission area 302, and the transmission area 302 is arranged beside the reflection area 301, and so on.

[0040] Further, the plane where the first light source body 1 is located in this embodiment is perpendicular to the plane where the second light source body 2 is located, and the plane where the first light source body 1 is located forms a 45° angle with the plane where the grid mirror 3 is located, and the plane where the second light source body 2 is located forms a 45° angle with the plane where the grid mirror 3 is located.

[0041] It should be noted that through the above design, the first light rays emitted by the first light source body 1 are reflected by the reflection area 301 of the grid mirror 3, and the reflection angle is specifically 45°; the second light rays emitted by the second light source are transmitted through the transmission area 302 of the grid mirror 3, and the angle between the second light rays and the plane where the grid mirror 3 is located is 45°. The first light rays and the second light rays respectively enter the condenser module 4 vertically after being reflected and transmitted by the grid mirror 3.

[0042] Further, the condenser module 4 in this example is a biconvex lens.

[0043] It should be noted that both the upper surface and the lower surface of the biconvex lens in this embodiment are convex surfaces.

[0044] Further, the first light source body 1 in this embodiment includes a first PCB board 101 and a first lamp bead 102 disposed on the first PCB board 101;

[0045] The number of the first lamp beads 102 is multiple, and the multiple first lamp beads 102 are arranged in a straight line on the first PCB board 101 and are spaced apart by a preset distance.

[0046] It should be noted that through the above design, the first light source body 1 can emit multiple first light rays, and the multiple first light rays are reflected by the multiple reflection areas 301 of the grid mirror 3 to the condenser module 4.

[0047] Further, the second light source body 2 in this embodiment includes a second PCB board 201 and a second lamp bead 202 disposed on the second PCB board 201;

[0048] The number of the second lamp beads 202 is multiple, and the multiple second lamp beads 202 are arranged in a straight line on the second PCB board 201 and are spaced apart by a preset distance.

[0049] It should be noted that through the above design, the second light source body 2 can emit multiple second light rays, and the multiple second light rays are transmitted to the condensing module 4 through the multiple transmission areas 302 of the grid mirror 3.

[0050] Furthermore, the first light source body 1 in this embodiment further includes a first heat dissipation substrate, and the first heat dissipation substrate is disposed on the side surface of the first PCB board 101 away from the first lamp bead 102.

[0051] It should be noted that the first heat dissipation substrate in this embodiment is set as an aluminum metal plate with heat dissipation fins. Through the above design, the heat generated when the first lamp bead 102 works can be effectively transferred, so that the first lamp bead 102 is always at a suitable working temperature, and its service life is prevented from being shortened due to excessive temperature.

[0052] Furthermore, the second light source body 2 in this embodiment further includes a second heat dissipation substrate, and the second heat dissipation substrate is disposed on the side surface of the second PCB board 201 away from the second lamp bead 202.

[0053] It should be noted that the second heat dissipation substrate in this embodiment is set as an aluminum metal plate with heat dissipation fins. Through the above design, the heat generated when the second lamp bead 202 works can be effectively transferred, so that the second lamp bead 202 is always at a suitable working temperature, and its service life is prevented from being shortened due to excessive temperature.

[0054] Please refer to Figure 1 and Figure 2 , a vision detection device provided by an embodiment of the present utility model includes a detection camera, a lens, and the above-mentioned light source assembly with multiple light aggregations.

[0055] It should be noted that through the above design, the light rays emitted by the light source assembly with multiple light aggregations irradiate the measured surface of the workpiece, and the light intensity is sufficient. The light rays reflected by the measured surface of the workpiece enter the detection camera and the lens, thereby completing imaging.

[0056] In the above vision detection device, the first light ray and the second light ray are respectively reflected and transmitted by the grid mirror 3 and then converged and intersected by the condensing module 4, so as to obtain a higher light intensity at the converging intersection of the first light ray and the second light ray, effectively overcoming the problem of insufficient irradiation intensity of the current light source assembly, and effectively solving the situation that the throughput and production cycle time of the vision detection device are limited.

[0057] The above has introduced in detail a light source assembly with multiple light aggregations and a vision detection device provided by the present utility model. For those of ordinary skill in the art, according to the idea of the embodiments of the present utility model, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A light source component for multiple light aggregations, characterized in that It includes a grid mirror (3), a first light source body (1), a second light source body (2), and a condenser module (4); The grid mirror (3) is located above the condenser module (4) and forms a certain inclination angle with the plane where the condenser module (4) is located; A plurality of reflection regions (301) and transmission regions (302) are alternately arranged on the grid mirror (3); The first light source body (1) is located on one side of the grid mirror (3), and the first light emitted by the first light source body (1) irradiates into the reflection region (301) of the grid mirror (3) and is reflected by the reflection region (301) to the condenser module (4); The second light source body (2) is located above the grid mirror (3), and the second light emitted by the second light source body (2) irradiates into the transmission region (302) of the grid mirror (3) and is transmitted through the transmission region (302) to the condenser module (4); The condenser module (4) is used to converge the first light and the second light.

2. The light source assembly with multiple light ray aggregations according to claim 1, characterized in that, A reflective film layer is provided on the grid mirror (3) to form the reflection region (301).

3. The light source assembly with multiple light aggregations according to claim 2, wherein A transmissive film layer is provided on the grid mirror (3) to form the transmission region (302).

4. The light source assembly with multiple light aggregations according to claim 1, wherein The plane where the first light source body (1) is located is perpendicular to the plane where the second light source body (2) is located, and the plane where the first light source body (1) is located forms a 45° angle with the plane where the grid mirror (3) is located, and the plane where the second light source body (2) is located forms a 45° angle with the plane where the grid mirror (3) is located.

5. The light source assembly with multiple light ray aggregations according to claim 1, characterized in that, The condenser module (4) is a biconvex lens.

6. The light source assembly with multiple light aggregations according to claim 1, characterized in that, The first light source body (1) includes a first PCB board (101) and a first lamp bead (102) disposed on the first PCB board (101); The number of the first lamp beads (102) is multiple, and the multiple first lamp beads (102) are arranged in a straight line on the first PCB board (101) and are spaced apart by a preset distance; 7. The light source component with multiple light aggregations according to claim 1, characterized in that, The second light source body (2) includes a second PCB board (201) and a second lamp bead (202) disposed on the second PCB board (201); The number of the second lamp beads (202) is multiple, and the multiple second lamp beads (202) are arranged in a straight line on the second PCB board (201) and are spaced apart by a preset distance; 8. The light source assembly with multiple light ray aggregations according to claim 6, characterized in that, The first light source body (1) further includes a first heat dissipation substrate, and the first heat dissipation substrate is disposed on the side surface of the first PCB board (101) away from the first lamp bead (102).

9. The light source assembly with multiple light aggregations according to claim 7, characterized in that, The second light source body (2) further includes a second heat dissipation substrate, and the second heat dissipation substrate is disposed on the side surface of the second PCB board (201) away from the second lamp bead (202).

10. A visual detection device, characterized in that, It includes a detection camera, a lens, and a light source assembly for multiple light polymerization as described in any one of claims 1 to 9.

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