CN220669300U - Multi-section wavelength combined light source and optical detection device - Google Patents
Multi-section wavelength combined light source and optical detection device Download PDFInfo
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- CN220669300U CN220669300U CN202322285863.5U CN202322285863U CN220669300U CN 220669300 U CN220669300 U CN 220669300U CN 202322285863 U CN202322285863 U CN 202322285863U CN 220669300 U CN220669300 U CN 220669300U
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Abstract
The utility model discloses a light source and an optical detection device with a combination of multiple wavelengths, which comprises a shell and a light-emitting module; the light emitting module is arranged on the shell and comprises a first light emitting module, a second light emitting module and a third light emitting module, the second projection of the second light emitting module surrounds the first projection of the first light emitting module along the illumination direction, the third projection of the third light emitting module surrounds the second projection along the illumination direction, and the light emitting wavelengths of the first light emitting module, the second light emitting module and the third light emitting module are sequentially decreased, so that the focuses of the first light emitting module, the second light emitting module and the third light emitting module are in the same illumination area. The corresponding effect close to full spectrum illumination is formed by combining the light rays with various wavelengths, the focuses of the three light emitting modules which emit the light rays with different wavelengths are arranged in the illumination area, the definition of the surface of a product can be effectively improved, and the accuracy of image analysis is improved.
Description
Technical Field
The present utility model relates to the field of optical illumination technology, and in particular, to a light source and an optical detection device with multiple wavelength combinations.
Background
With the development of society, the requirements of production operation on product quality are also higher and higher, and products can be input into the market after detection is often needed after production is completed, especially for products with high-precision requirements such as electronic elements, circuit boards and the like. There are various ways to inspect products, most commonly appearance inspection, which detects appearance defects of the product, such as solder joints of a circuit board, positions of mounted devices, and the like.
The appearance detection mainly comprises machine detection and manual detection, no matter which detection mode is adopted, the product is required to be illuminated and supplemented by the light source, so that the outline of the surface of the product can be clearly shown, in the prior art, for the product with three-dimensional structure and rich colors, the wavelength of the conventional light source is often single, the surface information of the product cannot be effectively and clearly shown, the defect information shown by the product under the illumination of a common lamp has errors, the accuracy of image analysis is influenced, and the detection precision is finally influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a light source and an optical detection device with multi-section wavelength combination, which solve the problems that the defect of the product surface by illumination light is not obvious in the prior art and the image analysis accuracy is low.
In order to achieve the above object, the present utility model provides the following technical solutions:
a multi-section wavelength combined light source comprises a shell and a light-emitting module; the light emitting module is installed in the shell, and the light emitting module includes first light emitting module, second light emitting module and the third light emitting module that sets gradually along the illumination direction, and outside the first projection of first light emitting module was surrounded to the second projection of second light emitting module along the illumination direction, outside the third projection of third light emitting module was surrounded to the third projection along the illumination direction, and the luminous wavelength of first light emitting module, second light emitting module and third light emitting module is progressively decreased in proper order to make the focus of first light emitting module, second light emitting module and third light emitting module be in same illumination zone.
Compared with the prior art, the utility model has the following beneficial effects: the light emitting module comprises the light emitting modules used for emitting light rays with different wavelengths, the light ray combination with various wavelengths can form a corresponding effect close to full spectrum illumination, different color expressions on the surface of a product can be effectively highlighted, the projection of the first light emitting module, the second light emitting module and the third light emitting module along the illumination direction is not overlapped, the three light emitting modules are arranged to be three-dimensional stepwise distribution, a non-shielding and high-efficiency spectrum illumination effect can be formed, the light emitting wavelengths of the first light emitting module, the second light emitting module and the third light emitting module are sequentially decreased, focuses of the three light emitting modules emitting light rays with different wavelengths are all in an illumination area, the definition of the surface of the product can be effectively improved during illumination, different imaging characteristics of the light rays with different wavelengths are fed back differently under illumination close to full spectrum, the reliability of imaging of the product can be effectively improved, errors of part of structural expressions can be remarkably reduced, and the accuracy of image analysis can be improved.
Optionally, the first light emitting module, the second light emitting module and the third light emitting module are all in ring structures, and the first projection, the second projection and the third projection are respectively three concentric rings.
Optionally, the first light emitting module includes a first circuit board and a plurality of first light sources, and all the first light sources are distributed on the first circuit board in a ring shape; the second light-emitting module comprises a second circuit board and a plurality of second light sources, and all the second light sources are distributed on the second circuit board in a circular ring shape; the third light-emitting module comprises a third circuit board and a plurality of third light sources, and all the third light sources are distributed on the third circuit board in a circular ring shape.
Optionally, the first light source has a light emitting wavelength of 622-760 nm, the second light source has a light emitting wavelength of 492-577 nm, and the third light source has a wavelength of 435-450 nm.
Optionally, the first light source, the second light source and the third light source are LED light emitting chips.
Optionally, the housing includes a base, a first housing, a second housing, and a third housing sequentially connected along the illumination direction;
the base is provided with a first flange at one side close to the first shell, the first light-emitting module is clamped outside the first flange, the first shell is provided with a first groove and a first light-emitting channel which are communicated, the first light-emitting module is arranged in the first groove, and a first light-emitting surface of the first light-emitting module is positioned in the first light-emitting channel; the first shell is provided with a first flange at one side close to the first shell, the first light-emitting module is clamped outside the first flange, the first shell is provided with a first groove and a first light-emitting channel which are communicated, the first light-emitting module is arranged in the first groove, and a first light-emitting surface of the first light-emitting module is positioned in the first light-emitting channel; the second shell is close to one side of the third shell and is provided with a third flange, the third light-emitting module is clamped outside the third flange, the third shell is provided with a third groove and a third light-emitting channel which are communicated, the third light-emitting module is arranged in the third groove, and a third light-emitting surface of the third light-emitting module is positioned in the third light-emitting channel.
Optionally, the first light-emitting channel, the second light-emitting channel and the third light-emitting channel are all cylindrical, and diameters of the first light-emitting channel, the second light-emitting channel and the third light-emitting channel are sequentially increased.
Optionally, the connection among the base, the first shell, the second shell and the third shell is detachable connection.
Optionally, the first light emitting module, the second light emitting module and the third light emitting module are respectively connected with independent control circuits.
The utility model also provides an optical detection device which comprises the light source and the detection camera with the combination of the multiple wavelengths, and the lens of the detection camera faces to the illumination area.
Compared with the prior art, the utility model has the following beneficial effects: the light emitting module emits light rays with different wavelengths, the light ray combination with various wavelengths can form a corresponding effect close to full spectrum illumination, different color expressions on the surface of a product can be effectively highlighted, and the projections of the first light emitting module, the second light emitting module and the third light emitting module along the illumination direction are not overlapped, the three light emitting modules are arranged to be three-dimensional stepwise distributed, the light spectrum illumination effect which is free of shielding and high in efficiency can be formed, the light emitting wavelengths of the first light emitting module, the second light emitting module and the third light emitting module are sequentially decreased, the focal points of the three light emitting modules emitting light rays with different wavelengths can be in an illumination area, the definition of the surface of the product can be effectively improved, under illumination close to full spectrum, different contours and structures with different colors can be used for feeding back different imaging features of light rays with different wavelengths, so that the reliability of product imaging can be effectively improved, the error of part of structural expressions can be remarkably reduced, the accuracy of image analysis can be improved, and the accuracy of defect detection can be effectively improved when optical detection of the product defects is used.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic perspective view of a multi-wavelength combined light source according to the present utility model;
fig. 2 is a schematic top view of a multi-wavelength combined light source according to the present utility model;
FIG. 3 is a schematic cross-sectional view taken along line A-A' of FIG. 2;
FIG. 4 is an exploded view corresponding to FIG. 3;
fig. 5 is a schematic diagram of an internal structure of an optical detection device according to the present utility model.
Reference numerals:
the light emitting device includes a housing 100, a base 110, a first flange 111, a first case 120, a first groove 121, a first light emitting channel 122, a second flange 123, a second case 130, a second groove 131, a second light emitting channel 132, a third flange 133, a third case 140, a third groove 141, and a third light emitting channel 142;
the light emitting module 200, the first light emitting module 210, the first circuit board 211, the first light source 212, the second light emitting module 220, the second circuit board 221, the second light source 222, the third light emitting module 230, the third circuit board 231, and the third light source 232;
a detection camera 300;
the workpiece 400 is to be measured.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it will be understood that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.
Furthermore, the terms "long," "short," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description of the present utility model, and are not intended to indicate or imply that the apparatus or elements referred to must have this particular orientation, operate in a particular orientation configuration, and thus should not be construed as limiting the utility model.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Please refer to fig. 1 to fig. 4 in combination.
An embodiment of the first aspect of the present utility model provides a light source with a combination of multiple wavelengths, including a housing 100 and a light emitting module 200; the light emitting module 200 is mounted on the housing 100, and the illumination direction refers to a direction in which the light emitting module 200 emits light to the illumination area, the light emitting module 200 includes a first light emitting module 210, a second light emitting module 220, and a third light emitting module 230 sequentially disposed along the illumination direction, a first light emitting surface of the first light emitting module 210, a second light emitting surface of the second light emitting module 220, and a third light emitting surface of the third light emitting module 230 all face a receiving surface of the same side, and distances between the first light emitting module 210, the second light emitting module 220, and the third light emitting module 230 and the receiving surface are sequentially increased; the second projection of the second light emitting module 220 along the illumination direction surrounds the first projection of the first light emitting module 210, that is, the second projection of the second light emitting module 220 along the illumination direction on the receiving surface surrounds the first projection of the first light emitting module 210 along the illumination direction on the receiving surface, so that the second light emitting module 220 is configured to give way for the first illumination light of the first light emitting module 210; the third projection of the third light emitting module 230 along the illumination direction surrounds the second projection, that is, the third projection of the third light emitting module 230 along the illumination direction surrounds the second light emitting module 220 along the illumination direction surrounds the second projection of the receiving surface, so that the third light emitting module 230 is configured to yield the second illumination light of the second light emitting module 220 and does not interfere with the propagation of the first illumination light of the first light emitting module 210; the light emitting wavelength of the first light emitting module 210, the light emitting wavelength of the second light emitting module 220 and the light emitting wavelength of the third light emitting module 230 decrease in sequence, that is, the light emitting wavelength of the first light emitting module 210 is greater than the light emitting wavelength of the second light emitting module 220, and the wavelength of the second light emitting module 220 is greater than the light emitting wavelength of the third light emitting module 230, so that the focal point of the first light emitting module 210, the focal point of the second light emitting module 220 and the focal point of the third light emitting module 230 are in the same illumination area, and the illumination area is used for placing the object to be measured.
The first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are utilized to form a required spectrum by different light emitting wavelengths, and the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are arranged along the light emitting direction to form different distances with the illumination area, so that the requirements of respective focuses of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 can be met, the focuses of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are in the same illumination area, and when the optical detection is used, three light rays can form clear images in the illumination area, so that the detection precision is improved.
According to the embodiment of the first aspect of the utility model, the light emitting module 200 comprises the light emitting modules for emitting light rays with different wavelengths, the light ray combination with multiple wavelengths can form a corresponding effect close to full spectrum illumination, different color expressions on the surface of a product can be effectively highlighted, and the projections of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 along the illumination direction are not overlapped, the three light emitting modules are arranged to be three-dimensional stepwise distribution, a non-shielding and high-efficiency spectrum illumination effect can be formed, the light emitting wavelengths of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are sequentially decreased, the focuses of the three light emitting modules for emitting light rays with different wavelengths are all in an illumination area, during illumination, the definition of the surface of the product can be effectively improved, and under the illumination close to full spectrum, different contours and structures with different colors have different feedback on imaging characteristics of light rays with different wavelengths, so that the reliability of product imaging can be effectively improved, errors of part of structure expressions can be remarkably reduced, and the accuracy of image analysis can be improved.
It can be appreciated that, when the focus of the first light emitting module 210, the focus of the second light emitting module 220, and the focus of the third light emitting module 230 are on the same receiving surface, the definition of the object to be measured can be further improved when the object to be measured is placed on the receiving surface.
It can be understood that the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are all in a ring structure, the first projection, the second projection and the third projection are respectively three concentric rings, the central axes of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are coaxial, when the light source with the combination of multiple wavelengths is used for detection illumination, the workpiece 400 to be detected is placed in the illumination area, and the central axis penetrates through the center of the workpiece 400 to be detected, so that the illumination effect can be effectively improved, and the detection accuracy is improved.
It can be understood that the first light emitting module 210 includes a first circuit board 211 and a plurality of first light sources 212, and all the first light sources 212 are equally spaced around the first circuit board 211 in a circular ring shape; the second light emitting module 220 includes a second circuit board 221 and a plurality of second light sources 222, and all the second light sources 222 are distributed on the second circuit board 221 at equal intervals around the second circuit board in a circular ring shape; the third light emitting module 230 includes a third circuit board 231 and a plurality of third light sources 232, and all the third light sources 232 are distributed on the first circuit board 211, the second circuit board 221 and the third circuit board 231 of the third circuit board 231 at equal intervals around the third circuit board 231 in a circular shape.
It is understood that the light emitting wavelength of the first light source 212 is 622-760 nm, the light emitting wavelength of the second light source 222 is 492-577 nm, the wavelength of the third light source 232 is 435-450 nm, i.e. the illumination light of the first light source 212 is red light, the illumination light of the second light source 222 is green light, the illumination light of the third light source 232 is blue light, and the three light sources can form a light emitting effect close to full spectrum.
Specifically, the first light source 212, the second light source 222 and the third light source 232 are all LED light emitting chips, and the LED light emitting chips have the advantages of high safety, high light emitting efficiency, long service life and the like.
It can be understood that the housing 100 includes a base 110, a first housing 120, a second housing 130, and a third housing 140 sequentially connected along an illumination direction, the base 110 is in a circular ring structure, and a through hole in the center of the base 110 is used for obtaining an image for a naked human eye or a camera to give way;
the base 110 is provided with a first flange 111 at one side close to the first shell 120, the first light-emitting module 210 is clamped outside the first flange 111, the first shell 120 is provided with a first groove 121 and a first light-emitting channel 122 which are communicated, the first light-emitting module 210 is installed in the first groove 121, a first light-emitting surface of the first light-emitting module 210 is positioned in the first light-emitting channel 122, namely, the first light-emitting module 210 is installed between the base 110 and the first shell 120, and light rays emitted by the first light-emitting module 210 can smoothly pass through the first light-emitting channel 122; the first casing 120 is provided with a second flange 123 near one side of the second casing 130, the second light emitting module 220 is clamped outside the second flange 123, the second casing 130 is provided with a second groove 131 and a second light emitting channel 132 which are communicated, the second light emitting module 220 is installed in the second groove 131, a second light emitting surface of the second light emitting module 220 is positioned in the second light emitting channel 132, namely, the second light emitting module 220 is installed between the base 110 and the second casing 130, and light rays emitted by the second light emitting module 220 can smoothly pass through the second light emitting channel 132; the second casing 130 is provided with a third flange 133 near one side of the third casing 140, the third light emitting module 230 is clamped outside the third flange 133, the third casing 140 is provided with a third groove 141 and a third light emitting channel 142 which are communicated, the third light emitting module 230 is mounted in the third groove 141, a third light emitting surface of the third light emitting module 230 is located in the third light emitting channel 142, namely, the third light emitting module 230 is mounted between the base 110 and the third casing 140, and light emitted by the third light emitting module 230 can smoothly pass through the third light emitting channel 142.
It can be understood that the first light emitting channel 122, the second light emitting channel 132 and the third light emitting channel 142 are all cylindrical through holes, the diameter of the first light emitting channel 122, the diameter of the second light emitting channel 132 and the diameter of the third light emitting channel 142 are sequentially increased, and the third light emitting channel 142 with the largest diameter is used as the light emitting surface of the light source with the combination of multiple wavelengths, so that the utilization rate of light energy can be effectively improved.
It can be appreciated that the connection among the base 110, the first housing 120, the second housing 130 and the third housing 140 is a detachable connection, such as a clamping connection, a threaded connection, etc., and the detachable connection is provided to facilitate maintenance such as repair, maintenance, etc. of the light source with the combination of multiple wavelengths.
It can be appreciated that the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are respectively connected to independent control circuits, so as to achieve corresponding lighting effects according to different use requirements.
Please refer to fig. 1 to 5 in combination.
An embodiment of the second aspect of the present utility model further provides an optical detection device, which includes a light source and a detection camera 300 with a combination of multiple wavelengths according to the embodiment of the first aspect, where a lens of the detection camera 300 faces an illumination area, so that the camera can capture an imaging image of the illumination area.
When the detection is performed, the workpiece 400 to be detected is placed in an illumination area of a light source with multiple wavelength combinations, light emitted by the light source with multiple wavelength combinations irradiates the surface of the workpiece 400 to be detected and then is reflected to the detection camera 300, the detection camera 300 receives the light and generates corresponding data to be fed back to a detection system to realize corresponding detection work, the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are arranged in a stepped manner, the wavelengths of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are sequentially decreased, and the light paths of the light rays with different wavelengths irradiated to the workpiece 400 to be detected are different, so that the definition of a picture captured by the detection camera 300 in the illumination area can be effectively reflected, and the detection precision can be remarkably improved.
It can be understood that the first projection, the second projection and the third projection are respectively three concentric circles, the central axis of the first light emitting module 210, the central axis of the second light emitting module 220 and the central axis of the third light emitting module 230 are arranged coaxially with the optical axis of the camera, during detection, the workpiece 400 to be detected and the camera are respectively arranged at two opposite sides of the light source with the combination of multiple wavelengths, and the workpiece 400 to be detected is arranged at a position intersecting with the optical axis of the camera in the illumination area.
According to the second aspect of the present utility model, the light emitting module 200 includes light emitting modules for emitting light rays with different wavelengths, the light ray combinations with different wavelengths can form corresponding effects close to full spectrum illumination, different color expressions on the surface of the product can be effectively highlighted, and the projections of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 along the illumination direction are not overlapped, the three light emitting modules are arranged to be three-dimensional stepwise distribution, a non-shielding and high-efficiency spectrum illumination effect can be formed, the light emitting wavelengths of the first light emitting module 210, the second light emitting module 220 and the third light emitting module 230 are sequentially decreased, the focuses of the three light emitting modules emitting light rays with different wavelengths can be located in the illumination area, the definition of the surface of the product can be effectively improved during illumination, and the imaging characteristics of the light rays with different wavelengths with different profiles and different colors have different feedback under the illumination close to full spectrum, so that the reliability of the imaging of the product can be effectively improved, the errors of part of the structural expressions can be remarkably reduced, the accuracy of the image analysis can be improved, and the optical defect detection accuracy can be effectively improved.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A multi-wavelength combined light source, comprising:
a housing (100);
the light emitting module (200) is installed in the shell (100), the light emitting module (200) comprises a first light emitting module (210), a second light emitting module (220) and a third light emitting module (230) which are sequentially arranged along the illumination direction, the second projection of the second light emitting module (220) surrounds the outside of the first projection of the first light emitting module (210), the third projection of the third light emitting module (230) surrounds the outside of the second projection along the illumination direction, and the light emitting wavelengths of the first light emitting module (210), the second light emitting module (220) and the third light emitting module (230) are sequentially decreased, so that the focuses of the first light emitting module (210), the second light emitting module (220) and the third light emitting module (230) are in the same illumination area.
2. The multi-wavelength combined light source of claim 1, wherein the first light emitting module (210), the second light emitting module (220), and the third light emitting module (230) are each in a ring-shaped structure, and the first projection, the second projection, and the third projection are each in three concentric rings.
3. The light source of the multi-wavelength combination according to claim 2, wherein the first light emitting module (210) includes a first circuit board (211) and a plurality of first light sources (212), and all the first light sources (212) are distributed on the first circuit board (211) in a circular ring shape; the second light emitting module (220) comprises a second circuit board (221) and a plurality of second light sources (222), and all the second light sources (222) are distributed on the second circuit board (221) in a circular ring shape; the third light emitting module (230) comprises a third circuit board (231) and a plurality of third light sources (232), and all the third light sources (232) are distributed on the third circuit board (231) in a circular ring shape.
4. A multi-wavelength combined light source according to claim 3, wherein the first light source (212) has an emission wavelength of 622-760 nm, the second light source (222) has an emission wavelength of 492-577 nm, and the third light source (232) has a wavelength of 435-450 nm.
5. The multi-wavelength combined light source of claim 4 wherein the first light source (212), the second light source (222) and the third light source (232) are each LED light emitting chips.
6. A multi-wavelength combined light source according to claim 2, wherein the housing (100) comprises a base (110), a first housing (120), a second housing (130) and a third housing (140) connected in sequence along the illumination direction;
a first flange (111) is arranged on one side, close to the first shell (120), of the base (110), the first light-emitting module (210) is clamped outside the first flange (111), the first shell (120) is provided with a first groove (121) and a first light-emitting channel (122) which are communicated, the first light-emitting module (210) is installed in the first groove (121), and a first light-emitting surface of the first light-emitting module (210) is located in the first light-emitting channel (122);
a second flange (123) is arranged on one side, close to the second shell (130), of the first shell (120), the second light-emitting module (220) is clamped outside the second flange (123), the second shell (130) is provided with a second groove (131) and a second light-emitting channel (132) which are communicated, the second light-emitting module (220) is arranged in the second groove (131), and a second light-emitting surface of the second light-emitting module (220) is positioned in the second light-emitting channel (132);
the second casing (130) is close to one side of third casing (140) is equipped with third flange (133), third light emitting module (230) joint in outside third flange (133), third casing (140) are equipped with third recess (141) and third luminous passageway (142) of intercommunication, third light emitting module (230) install in third recess (141), the third light emitting surface of third light emitting module (230) is located in third luminous passageway (142).
7. The multi-wavelength combined light source of claim 6, wherein the first light emitting channel (122), the second light emitting channel (132), and the third light emitting channel (142) are each cylindrical, and diameters of the first light emitting channel (122), the second light emitting channel (132), and the third light emitting channel (142) are sequentially increased.
8. The multi-wavelength combined light source of claim 6 wherein the connections between the base (110), the first housing (120), the second housing (130) and the third housing (140) are all detachable connections.
9. A multi-wavelength combined light source according to any of claims 1 to 8, wherein the first light emitting module (210), the second light emitting module (220) and the third light emitting module (230) are each connected to separate control lines.
10. An optical detection device comprising a multi-wavelength combined light source and detection camera (300) according to any of the preceding claims 1 to 9, the lens of the detection camera (300) being directed towards the illumination area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285863.5U CN220669300U (en) | 2023-08-23 | 2023-08-23 | Multi-section wavelength combined light source and optical detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285863.5U CN220669300U (en) | 2023-08-23 | 2023-08-23 | Multi-section wavelength combined light source and optical detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220669300U true CN220669300U (en) | 2024-03-26 |
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ID=90335202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322285863.5U Active CN220669300U (en) | 2023-08-23 | 2023-08-23 | Multi-section wavelength combined light source and optical detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220669300U (en) |
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2023
- 2023-08-23 CN CN202322285863.5U patent/CN220669300U/en active Active
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