CN219573942U - High-low angle combined light source - Google Patents
High-low angle combined light source Download PDFInfo
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- CN219573942U CN219573942U CN202320534083.7U CN202320534083U CN219573942U CN 219573942 U CN219573942 U CN 219573942U CN 202320534083 U CN202320534083 U CN 202320534083U CN 219573942 U CN219573942 U CN 219573942U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model discloses a high-low angle combined light source, which comprises a coaxial light source and an annular light source, wherein the annular light source is arranged below the coaxial light source, and a light path channel is arranged between the coaxial light source and the annular light source; the light path of the coaxial light source is directly irradiated on the surface of the product through the light path channel; the annular light source comprises a seat shell and a plurality of groups of annular light source groups stacked in the seat shell, an open conical surface structure from small to large is formed in the direction from the light path channel to the light outlet at the center of the stacked groups of the annular light source groups, and the annular surface of each group of annular light source groups is distributed with light sources in an annular array. According to the high-low angle combined light source, the illumination is more comprehensive through the high-low combined light source, so that the CCD visual detection device can clearly shoot, and the image recognition capability is improved. The high-low angle combined light source is convenient to debug, and the debugging efficiency can be improved.
Description
Technical Field
The utility model relates to a light source, in particular to a high-low angle combined light source.
Background
In the field of product inspection, the inspection content basically involves dimensional accuracy and appearance problems, so that a high-quality image imaging effect is required, and further judgment and determination are performed by a machine vision system. In visual detection, a light source is indispensable, and the difficulty level of the machine adjustment of the staff is directly influenced by the quality of the light source.
The traditional light source structure is that a plurality of lamp pearl arrays are installed on CCD visual detection device, because ring array lamp pearl all is the same height, and the light that its sent shines on the product, and the defect (such as foreign matter, crackle, bruise etc.) of some products is shot through CCD visual detection device, shows unobviously.
In addition, the traditional light source structure is difficult to debug and has insufficient stability.
In view of the above, the conventional light source applied to the CCD visual inspection device needs to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to solve the technical problems of providing a high-low angle combined light source, and the purpose of designing the combined light source is as follows: firstly, the illumination is more comprehensive through the light source combined by the height, so that the CCD visual detection device can clearly shoot, and the image recognition capability is improved; secondly, the combined light source is convenient to debug, and the debugging efficiency is improved.
In order to solve the technical problems, the utility model is realized by the following scheme: the utility model relates to a high-low angle combined light source, which comprises a coaxial light source and an annular light source, wherein the annular light source is arranged below the coaxial light source, and a light path channel is arranged between the coaxial light source and the annular light source;
the light path of the coaxial light source is directly irradiated on the surface of the product through the light path channel;
the annular light source comprises a seat shell and a plurality of groups of annular light source groups stacked in the seat shell, an open conical surface structure from small to large is formed in the direction from a light path channel to a light outlet at the center after the plurality of groups of annular light source groups are stacked, and light sources are distributed on the annular surface of each group of annular light source groups in an annular array manner.
Further, the LED of the coaxial light source is a side-entry light source, and a reflecting plate capable of reflecting the light path of the side-entry light source is further disposed on the coaxial light source.
Further, the reflecting plate is installed at an angle which enables the light path of the side-entrance type light-emitting source to be vertical to the light path channel after being reflected.
Still further, the coaxial light source includes:
a housing having a lower opening, an inner cavity of which is partitioned into a light source cavity and a reflecting plate installation cavity by a light-transmitting plate, the housing having a window on a top surface thereof, a glass window being installed at the window;
the light-transmitting plate is arranged in the inner cavity of the shell, the inner cavity of the shell is divided into a light source cavity and a reflecting plate installation cavity by the light-transmitting plate, and the reflecting plate is arranged in the reflecting plate installation cavity.
Further, the reflecting plate is a semitransparent plate body.
Further, the corresponding light sources on each annular light source group and the side-in light-emitting sources on the coaxial light sources are independently controlled.
Further, the light source emission angles of the annular light source groups are different.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the high-low angle combined light source, the illumination is more comprehensive through the high-low combined light source, so that the CCD visual detection device can clearly shoot, and the image recognition capability is improved.
2. The high-low angle combined light source is convenient to debug, and the debugging efficiency can be improved.
3. Each path of light source of the high-low angle combined light source is independently controlled, so that the effect of different light sources can be simulated, and particularly, the high-low angle combined light source can simulate the lighting effect of low-angle annular light, high-angle annular light, coaxial light and dome light.
4. The high-low angle combined light source can illuminate more uniformly, and the accuracy of machine vision is improved.
5. The coaxial light source of the present utility model uniformly illuminates the planar surface of the product, the glossy product surface, enhances the scoring, recessing or embossing features, and reduces the transmittance of the transparent housing or cover. The coaxial light source can highlight the surface unevenness of an object, can overcome the interference caused by surface reflection, and can detect the defects of bruise, scratch, crack, foreign matters and the like on the flat and smooth surface of the object through the cooperation with the visual detection device.
Drawings
FIG. 1 is an assembled view of a high and low angle combined light source according to the present utility model.
Fig. 2 is a block diagram of a coaxial light source of the present utility model.
FIG. 3 is a block diagram of a ring light source of the present utility model.
Fig. 4 is a cross-sectional view of a high and low angle combined light source of the present utility model.
The reference numerals in the drawings: the coaxial light source 1, the annular light source 2, the base shell 6, the shell 11, the glass window 13, the reflecting plate 14, the light-transmitting plate 15, the base shell upper cover 21, the first annular light source base 22, the second annular light source base 23, the third annular light source base 24 and the fourth annular light source base 25.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the present utility model, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the protection scope of the present utility model is more clearly and clearly defined. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1: the specific structure of the utility model is as follows:
referring to fig. 1-4, the high-low angle combined light source of the present utility model comprises a coaxial light source 1 and an annular light source 2, wherein the coaxial light source 1 and the annular light source 2 are connected by a screw, the annular light source 2 is installed below the coaxial light source 1, and a light path channel is arranged between the coaxial light source 1 and the annular light source 2;
the light path of the coaxial light source 1 is directly projected on the surface of a product through the light path channel;
the annular light source 2 comprises a seat shell 6 and a plurality of groups of annular light source groups stacked in the seat shell 6, an open conical surface structure from small to large is formed in the direction from a light path channel to a light outlet at the center of the stacked groups of the annular light source groups, and the annular surface of each group of annular light source groups is provided with light sources in an annular array.
A preferred technical scheme of the embodiment is as follows: the LED of the coaxial light source 1 is a side-entrance type light source, and the coaxial light source 1 is further provided with a reflecting plate 14 capable of reflecting the light path of the side-entrance type light source.
A preferred technical scheme of the embodiment is as follows: the reflecting plate 14 is installed at an angle such that the light path of the side-entrance type light-emitting source is perpendicular to the light path channel after being reflected.
A preferred technical scheme of the embodiment is as follows: the coaxial light source 1 includes:
a housing 11 having a lower opening, an inner cavity of which is partitioned into a light source cavity and a reflecting plate installation cavity by a light-transmitting plate 15, the housing 11 having a window on a top surface thereof, a glass window 13 being installed at the window;
and a light-transmitting plate 15 installed in the inner cavity of the housing 11, the light-transmitting plate 15 dividing the inner cavity of the housing 11 into a light source cavity and a reflecting plate installation cavity in which the reflecting plate 14 is installed.
A preferred technical scheme of the embodiment is as follows: the reflecting plate 14 is a translucent plate body.
A preferred technical scheme of the embodiment is as follows: the corresponding light sources on each group of annular light source groups and the side-in type light-emitting sources on the coaxial light source 1 are independently controlled.
A preferred technical scheme of the embodiment is as follows: the light source emission angles of the annular light source groups are different.
Example 2:
as shown in fig. 1-4, in the coaxial light source 1, the side-entrance light source is installed in the light source cavity, when the housing 11 is installed horizontally, the light emitted by the side-entrance light source is emitted horizontally to the reflecting plate 14, the reflecting plate 14 reflects the light, and the reflected light is emitted vertically to the product through the light path channel and the conical channel. The coaxial light source can highlight the surface unevenness of an object, can overcome the interference caused by surface reflection, and can detect the defects of bruise, scratch, crack, foreign matters and the like on the flat and smooth surface of the object through the cooperation with the visual detection device.
As shown in fig. 3, fig. 3 is a structural diagram of the ring light source of the present utility model. In fig. 3, there are four annular light source groups, which are a first annular light source seat 22, a second annular light source seat 23, a third annular light source seat 24 and a fourth annular light source seat 25 stacked together from top to bottom. The inner rings of the first annular light source seat 22, the second annular light source seat 23, the third annular light source seat 24 and the fourth annular light source seat 25 are from small to large, each ring is of a conical surface structure, and the bottom opening of the last annular light source group is overlapped with the upper opening of the next annular light source group. The four groups of annular light source groups illuminate a small area in a diffuse reflection mode, and after the four groups of annular light source groups illuminate products, the edge and the height change of the detected products can be highlighted, and the originally invisible parts are highlighted, so that edge detection, metal surface lettering and damage detection are easier. The annular light source 2 is provided with a plurality of color lamp beads and four lamp panels with different angles, and can be adjusted for different products, so that the products can be in the clearest state when the camera shoots.
The user can independently control each path/each angle of the lamp beads, simulate the effect of different light sources, and simulate the lighting effect of low-angle annular light, high-angle annular light, coaxial light and dome light. For different detection contents, the defect position of the detected object can be highlighted by adjusting the brightness of the light source of each channel by a user in a combined lighting mode.
In summary, the high-low angle combined light source provided by the utility model enables the illumination to be more comprehensive through the high-low combined light source, so that the CCD visual detection device can clearly shoot, and the image recognition capability is improved. The high-low angle combined light source is convenient to debug, and the debugging efficiency can be improved. Each path of light source of the high-low angle combined light source is independently controlled, so that the effect of different light sources can be simulated, and particularly, the high-low angle combined light source can simulate the lighting effect of low-angle annular light, high-angle annular light, coaxial light and dome light. The high-low angle combined light source can illuminate more uniformly, and the accuracy of machine vision is improved. The coaxial light source of the present utility model uniformly illuminates the planar surface of the product, the glossy product surface, enhances the scoring, recessing or embossing features, and reduces the transmittance of the transparent housing or cover. The coaxial light source can highlight the surface unevenness of an object, can overcome the interference caused by surface reflection, and can detect the defects of bruise, scratch, crack, foreign matters and the like on the flat and smooth surface of the object through the cooperation with the visual detection device.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.
Claims (7)
1. The high-low angle combined light source is characterized by comprising a coaxial light source (1) and an annular light source (2), wherein the annular light source (2) is arranged below the coaxial light source (1), and a light path channel is arranged between the coaxial light source (1) and the annular light source (2);
the light path of the coaxial light source (1) is directly irradiated on the surface of a product through the light path channel;
the annular light source (2) comprises a seat shell (6) and a plurality of groups of annular light source groups stacked in the seat shell (6), an open conical surface structure from small to large is formed in the direction from a light path channel to a light outlet at the center of the stacked groups of the annular light source groups, and light sources are distributed on the annular surface of each group of annular light source groups in an annular array manner.
2. The high-low angle combined light source according to claim 1, wherein the LEDs of the coaxial light source (1) are side-entrance light sources, and a reflecting plate (14) capable of reflecting the light path of the side-entrance light sources is further arranged on the coaxial light source (1).
3. A combined high and low angle light source according to claim 2, characterized in that the reflecting plate (14) is arranged at an angle such that the light path of the side entry light source is perpendicular to the light path channel after reflection.
4. A combined high and low angle light source according to claim 2, characterized in that the coaxial light source (1) comprises:
a housing (11) having a lower opening, an inner cavity of which is partitioned into a light source cavity and a reflecting plate installation cavity by a light-transmitting plate (15), the housing (11) having a window on a top surface thereof, a glass window (13) being installed at the window;
the light-transmitting plate (15) is arranged in the inner cavity of the shell (11), the inner cavity of the shell (11) is divided into a light source cavity and a reflecting plate installation cavity by the light-transmitting plate (15), and the reflecting plate (14) is arranged in the reflecting plate installation cavity.
5. The high-low angle combined light source according to claim 4, wherein the reflecting plate (14) is a translucent plate body.
6. A combined high and low angle light source according to claim 1, characterized in that the corresponding light sources on each group of ring-shaped light source groups and the side-in light-emitting sources on the coaxial light source (1) are controlled independently.
7. A combined high and low angle light source according to claim 1, wherein the light source emission angles of the groups of annular light sources are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320534083.7U CN219573942U (en) | 2023-03-13 | 2023-03-13 | High-low angle combined light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320534083.7U CN219573942U (en) | 2023-03-13 | 2023-03-13 | High-low angle combined light source |
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| CN219573942U true CN219573942U (en) | 2023-08-22 |
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| CN202320534083.7U Active CN219573942U (en) | 2023-03-13 | 2023-03-13 | High-low angle combined light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118566128A (en) * | 2024-08-02 | 2024-08-30 | 宁波九纵智能科技有限公司 | 2D and 3D visual detection mechanism of chip DB and gold thread WB and detection method thereof |
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2023
- 2023-03-13 CN CN202320534083.7U patent/CN219573942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118566128A (en) * | 2024-08-02 | 2024-08-30 | 宁波九纵智能科技有限公司 | 2D and 3D visual detection mechanism of chip DB and gold thread WB and detection method thereof |
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