Sphere integral combined light source device and visual inspection system

Abstract

The utility model discloses a sphere integral combined light source device and a visual inspection system, which are used for solving the technical problem that the existing sphere integral light source device can only light one workpiece, so that the detection efficiency is reduced. The LED lamp comprises a base, a first hemispherical reflecting cover, a second hemispherical reflecting cover, a first PCB (printed circuit board) lamp panel and a second PCB lamp panel, the base is provided with a first window and a second window, the first hemispherical reflecting cover and the second hemispherical reflecting cover are both fixed to the base, the first hemispherical reflecting cover corresponds to the first window, a first through hole is formed in the top of the first hemispherical reflecting cover, and the second hemispherical reflecting cover corresponds to the second window. A second through hole is formed in the top of the second hemispherical reflecting cover; the first PCB lamp panel is fixed to the base and arranged around the first window, the second PCB lamp panel is fixed to the base and arranged around the second window, and a partition plate is arranged between the first hemispherical reflecting cover and the second hemispherical reflecting cover and used for separating the first PCB lamp panel from the second PCB lamp panel.

Description

Technical Field

[0001] The utility model relates to the technical field of vision detection, in particular to a spherical integral combined light source device and a vision detection system. Background Art

[0002] The detection of existing workpieces is generally completed by a vision detection system. The vision detection system specifically includes a detection camera, a lens, and a light source. Among them, the light source is used to emit illuminating light onto the measured surface of the workpiece, and the detection camera is used to obtain the light reflected from the measured surface to form an image. According to the detection requirements of the workpiece, the light source device can be selected as an annular light source, a spherical integral light source, etc.

[0003] Currently, the spherical integral light source can only illuminate a single workpiece at a time. When there is a large batch of workpiece detection requirements, each workpiece can only be detected after the previous workpiece is detected, seriously affecting the detection efficiency.

[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 spherical integral combined light source device and a vision detection system, which are used to solve the technical problem that the existing spherical integral light source device can only illuminate one workpiece, resulting in a decrease in detection efficiency.

[0006] The embodiment of the utility model provides a spherical integral combined light source device, which includes a base, a first hemispherical reflector, a second hemispherical reflector, a first PCB lamp board, and a second PCB lamp board;

[0007] A first window and a second window are arranged on the base. The first hemispherical reflector and the second hemispherical reflector are both fixed on the base. The first hemispherical reflector corresponds to the first window, and a first through hole is arranged at the top of the first hemispherical reflector. The second hemispherical reflector corresponds to the second window, and a second through hole is arranged at the top of the second hemispherical reflector;

[0008] The first PCB lamp board is fixed on the base and arranged around the first window. The second PCB lamp board is fixed on the base and arranged around the second window. A partition is arranged between the first hemispherical reflector and the second hemispherical reflector, and the partition is used to separate the first PCB lamp board from the second PCB lamp board.

[0009] Optionally, reflective coatings are applied to both opposite side surfaces of the partition.

[0010] Optionally, the reflective coating is a matte white paint coating.

[0011] Optionally, the base is a heat dissipation base.

[0012] Optionally, a connecting plate is further included;

[0013] A first outer extension plate is provided at the bottom edge of the first hemispherical reflector, and a second outer extension plate is provided at the bottom edge of the second hemispherical reflector;

[0014] The first outer extension plate and the second outer extension plate are connected by the connecting plate so that the first hemispherical reflector and the second hemispherical reflector are fixed together.

[0015] Optionally, a first retaining ring plate, a second retaining ring plate and fastening screws are further included;

[0016] First mounting holes are formed in both the first outer extension plate and the second outer extension plate, threaded holes are formed in the base, the threaded holes are arranged corresponding to the first mounting holes, the first retaining ring plate is located on the top surface of the first outer extension plate, the second retaining ring plate is located on the top surface of the second outer extension plate, second mounting holes are formed in the first retaining ring plate and the second retaining ring plate, the second mounting holes are arranged corresponding to the first mounting holes, and the screw rod of the fastening screw sequentially passes through the second mounting hole, the first mounting hole and then is threadedly connected to the threaded hole so that the first retaining ring plate presses the first outer extension plate against the base and the second retaining ring plate presses the second outer extension plate against the base.

[0017] Optionally, a first wire passing hole and a second wire passing hole are formed in the base;

[0018] A first wire is passed through the first wire passing hole, the first wire is electrically connected to the first PCB lamp board, a second wire is passed through the second wire passing hole, and the second wire is electrically connected to the second PCB lamp board.

[0019] Optionally, the base is a base with an 8-shaped structure.

[0020] Optionally, a plurality of heat dissipation teeth are provided on the base to form a heat dissipation base.

[0021] An embodiment of the present invention provides a vision detection system, including a detection camera, a lens connected to the detection camera, and the above-mentioned spherical integral combined light source device;

[0022] Wherein, the number of the detection cameras is two, and the first window 7 and the second window 8 in the spherical integral combined light source device are respectively arranged corresponding to one of the detection cameras.

[0023] It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

[0024] In the spherical integral combined light source device of this embodiment, the base is provided with a first window and a second window. The first hemispherical reflector and the second hemispherical reflector are both fixed on the base and are respectively arranged corresponding to the first window and the second window. A first PCB light board is arranged around the first window, and a second PCB light board is arranged around the second window. A partition is arranged between the first hemispherical reflector and the second hemispherical reflector, and the partition is used to block the first PCB light board and the second PCB light board. In the above design, the partition can make the light emitted by the first PCB light board and the light emitted by the second PCB light board not interfere with each other, which is beneficial to make the light emitted by the first PCB light board and the light emitted by the second PCB light board independently irradiate on their respective workpieces, effectively avoiding false imaging during the detection process, and enabling the spherical integral combined light source device to illuminate two workpieces simultaneously, greatly improving the detection efficiency. 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 use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0026] Figure 1 It is a schematic structural diagram of a spherical integral combined light source device provided by an embodiment of the present invention;

[0027] Figure 2 It is an exploded view of the structure of a spherical integral combined light source device provided by an embodiment of the present invention;

[0028] Figure 3 It is a cross-sectional structural diagram of a spherical integral combined light source device provided by an embodiment of the present invention;

[0029] Illustration: Base 1; First hemispherical reflector 2; First through hole 201; First outer extension plate 202; Second hemispherical reflector 3; Second through hole 301; Second outer extension plate 302; First wire 4; Second wire 5; Connecting plate 6; First window 7; Second window 8; First PCB light board 9; Second PCB light board 10; First retaining ring plate 11; Second retaining ring plate 12; Partition 13. Detailed Embodiments

[0030] The embodiment of the present invention discloses a spherical integral combined light source device and a vision detection system, which are used to solve the technical problem that the existing spherical integral light source device can only illuminate one workpiece, resulting in a decrease in detection efficiency.

[0031] 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 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 scope of protection of the present utility model.

[0032] Please refer to Figures 1 to 3 , a spherical integral combined light source device provided by an embodiment of the present utility model includes a base 1, a first hemispherical reflector 2, a second hemispherical reflector 3, a first PCB lamp board 9, and a second PCB lamp board 10;

[0033] A first window 7 and a second window 8 are provided on the base 1. The first hemispherical reflector 2 and the second hemispherical reflector 3 are both fixed on the base 1. The first hemispherical reflector 2 corresponds to the first window 7, and a first through hole 201 is provided at the top of the first hemispherical reflector 2. The second hemispherical reflector 3 corresponds to the second window 8, and a second through hole 301 is provided at the top of the second hemispherical reflector 3;

[0034] The first PCB lamp board 9 is fixed on the base 1 and arranged around the first window 7. The second PCB lamp board 10 is fixed on the base 1 and arranged around the second window 8. A partition 13 is provided between the first hemispherical reflector 2 and the second hemispherical reflector 3. The partition 13 is used to separate the first PCB lamp board 9 from the second PCB lamp board 10.

[0035] In the spherical integral combined light source device of this embodiment, the base 1 is provided with a first window 7 and a second window 8. The first hemispherical reflector 2 and the second hemispherical reflector 3 are both fixed on the base 1 and are respectively arranged corresponding to the first window 7 and the second window 8. The first PCB lamp board 9 is arranged around the first window 7, and the second PCB lamp board 10 is arranged around the second window 8. A partition 13 is provided between the first hemispherical reflector 2 and the second hemispherical reflector 3. The partition 13 is used to separate the first PCB lamp board 9 from the second PCB lamp board 10. In the above design, the partition 13 can make the light emitted by the first PCB lamp board 9 not interfere with the light emitted by the second PCB lamp board 10, which is beneficial to making the light emitted by the first PCB lamp board 9 and the light emitted by the second PCB lamp board 10 respectively independently irradiate on their respective workpieces, effectively avoiding false imaging during the detection process, and enabling the spherical integral combined light source device to illuminate two workpieces simultaneously, greatly improving the detection efficiency.

[0036] Further, reflective coatings are applied to both opposite side surfaces of the partition 13 in this embodiment, so that the partition 13 can have the same reflection effect as the first hemispherical reflector 2 and the second hemispherical reflector, causing light to undergo diffuse reflection on the surface of the partition 13, thereby enhancing the supplementary lighting effect.

[0037] Specifically, the reflective coating in this embodiment is a matte white paint coating.

[0038] Further, the base 1 in this embodiment is a heat dissipation base. Specifically, a plurality of heat dissipation teeth are provided on the base 1 to form a heat dissipation base.

[0039] It should be noted that through the above design, the heat dissipation performance of the first PCB lamp board 9 and the second PCB lamp board 10 can be effectively improved, ensuring that the first PCB lamp board 9 and the second PCB lamp board 10 can work at normal temperatures, which is beneficial to extending the service life.

[0040] Further, the spherical integral combined light source device in this embodiment includes a connecting plate 6;

[0041] A first outer extension plate 202 is provided at the bottom edge of the first hemispherical reflector 2, and a second outer extension plate 302 is provided at the bottom edge of the second hemispherical reflector 3;

[0042] The first outer extension plate 202 and the second outer extension plate 302 are connected by the connecting plate 6 to fix the first hemispherical reflector 2 and the second hemispherical reflector 3 together.

[0043] It should be noted that the fixed connection method of the connecting plate 6 with the first outer extension plate 202 and the second outer extension plate 302 can be a screw fixed connection or a snap fixed connection, and this embodiment does not limit this.

[0044] Further, the spherical integral combined light source device in this embodiment further includes a first retaining ring plate 11, a second retaining ring plate 12, and fastening screws;

[0045] The first outer extension plate 202 and the second outer extension plate 302 are both provided with first mounting holes. The base 1 is provided with threaded holes, and the threaded holes are correspondingly arranged with the first mounting holes. The first pressure ring plate 11 is located on the top surface of the first outer extension plate 202, and the second pressure ring plate 12 is located on the top surface of the second outer extension plate 302. The first pressure ring plate 11 and the second pressure ring plate 12 are provided with second mounting holes, and the second mounting holes are correspondingly arranged with the first mounting holes. The screw rod of the fastening screw sequentially passes through the second mounting hole, the first mounting hole and then is threadedly connected with the threaded hole so that the first pressure ring plate 11 presses the first outer extension plate 202 against the base 1 and the second pressure ring plate 12 presses the second outer extension plate 302 against the base 1.

[0046] It should be noted that through the above design, the first pressure ring plate 11 tightly presses the first outer extension plate 202 on the base 1, and the second pressure ring plate 12 tightly presses the second outer extension plate 302 on the base 1, so that the first hemispherical reflector 2 and the second hemispherical reflector 3 can be tightly connected to the base 1, ensuring the connection reliability.

[0047] Furthermore, in this embodiment, the base 1 is provided with a first wire passing hole and a second wire passing hole;

[0048] The first wire passing hole is provided with a first wire 4, and the first wire 4 is electrically connected to the first PCB lamp board 9. The second wire passing hole is provided with a second wire 5, and the second wire 5 is electrically connected to the second PCB lamp board 10.

[0049] It should be noted that through the above design, the situation of the first wire 4 and the second wire 5 being messy can be avoided, ensuring the simplicity and beauty of the spherical integral combined light source device.

[0050] Furthermore, the base 1 in this embodiment is specifically a base with an 8-shaped structure.

[0051] Please refer to Figures 1 to 3 , this embodiment of the present invention discloses a vision detection system, including a detection camera, a lens connected to the detection camera, and the above-mentioned spherical integral combined light source device;

[0052] Among them, the number of the detection cameras is two, and the first window 7 and the second window 8 in the spherical integral combined light source device are respectively correspondingly arranged with one of the detection cameras.

[0053] It should be noted that through the above design, the detection efficiency of the vision detection system can be effectively improved.

[0054] The above has introduced in detail a spherical integral combined light source device and a vision detection system 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 spherical integral combined light source device, characterized in that: It comprises a base (1), a first hemispherical reflector (2), a second hemispherical reflector (3), a first PCB light board (9) and a second PCB light board (10); The base (1) is provided with a first window (7) and a second window (8); the first hemispherical reflector (2) and the second hemispherical reflector (3) are both fixed on the base (1); the first hemispherical reflector (2) corresponds to the first window (7); a first through hole (201) is provided on the top of the first hemispherical reflector (2); the second hemispherical reflector (3) corresponds to the second window (8); a second through hole (301) is provided on the top of the second hemispherical reflector (3); The first PCB light board (9) is fixed to the base (1) and arranged around the first window (7), the second PCB light board (10) is fixed to the base (1) and arranged around the second window (8), and a partition (13) is arranged between the first hemispherical reflector (2) and the second hemispherical reflector (3), and the partition (13) is used to block the first PCB light board (9) and the second PCB light board (10).

2. The spherical integrating combined light source device according to claim 1, characterized in that: The two opposite sides of the partition (13) are coated with a reflective coating.

3. The spherical integral combined light source device according to claim 2, characterized in that: The reflective coating is a matte white paint coating.

4. The spherical integrating combined light source device according to claim 1, characterized in that: The base (1) is a heat dissipation base.

5. The spherical integrating combined light source device according to claim 1, characterized in that: Also includes a connecting plate (6); A first outer extension plate (202) is provided at the bottom edge of the first hemispherical reflector (2), and a second outer extension plate (302) is provided at the bottom edge of the second hemispherical reflector (3); The first outer extension plate (202) and the second outer extension plate (302) are connected via the connection plate (6) so that the first hemispherical reflector (2) and the second hemispherical reflector (3) are fixed together.

6. The spherical integrating combined light source device according to claim 5, characterized in that: It also includes a first pressure ring plate (11), a second pressure ring plate (12) and a fastening screw; The first outer extension plate (202) and the second outer extension plate (302) are both provided with a first mounting hole, and the base (1) is provided with a threaded hole, and the threaded hole is arranged corresponding to the first mounting hole. The first pressure ring plate (11) is located on the top surface of the first outer extension plate (202), and the second pressure ring plate (12) is located on the top surface of the second outer extension plate (302). The first pressure ring plate (11) and the second pressure ring plate (12) are provided with a second mounting hole, and the second mounting hole is arranged corresponding to the first mounting hole. The screw of the fastening screw passes through the second mounting hole and the first mounting hole in sequence and is threadedly connected with the threaded hole so that the first pressure ring plate (11) presses the first outer extension plate (202) onto the base (1) and the second pressure ring plate (12) presses the second outer extension plate (302) onto the base (1).

7. The spherical integrating combined light source device according to claim 1, characterized in that: The base (1) is provided with a first threading hole and a second threading hole; A first wire (4) is passed through the first threading hole, and the first wire (4) is electrically connected to the first PCB light board (9); a second wire (5) is passed through the second threading hole, and the second wire (5) is electrically connected to the second PCB light board (10).

8. The spherical integrating combined light source device according to claim 1, characterized in that: The base (1) is a base with an 8-shaped structure.

9. The spherical integrating combined light source device according to claim 4, characterized in that: The base (1) is provided with a plurality of heat dissipation teeth to form a heat dissipation base.

10. A visual inspection system, characterized in that: It comprises a detection camera, a lens connected to the detection camera, and a spherical integrating combined light source device as claimed in any one of claims 1 to 9; There are two detection cameras, and the first window (7) and the second window (8) in the spherical integrating combined light source device are respectively arranged corresponding to one of the detection cameras.

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