Point light source and machine vision detection system

Abstract

The utility model relates to the technical field of machine vision detection, and discloses a point light source and a machine vision detection system, which comprise a shell, a lens and patch lamp beads, wherein the lens and the patch lamp beads are arranged in the shell; the lens is located in front of the light emitting direction of the patch lamp beads. According to the utility model, the patch lamp bead and the lens are combined, and the single patch lamp bead with a larger irradiation area is matched with the small-size lens, so that not only is a large irradiation range ensured, but also the radial volume of the point light source is reduced, the installation space is saved, and the detection requirement in a compact space is met.

Description

Technical Field

[0001] The utility model relates to the technical field of machine vision detection, in particular to a point light source and a machine vision detection system. Background Technique

[0002] In industrial inspection scenarios, the inspection light source, as a lighting device, plays a crucial role. Its main function is to irradiate the workpiece, strengthen the defect information on the surface of the workpiece, so that the camera can capture and process this defect information, and finally realize the defect detection of the workpiece.

[0003] However, the current spatial layout of many detection systems is compact, which poses strict requirements on the size and layout of the detection light source. In the traditional point light source design, since it relies on plug-in lamp beads as the light-emitting source, the irradiation area is relatively limited. Therefore, in order to achieve large-area irradiation, multiple plug-in lamp beads are often used together in practical applications, and large-sized lenses are used to expand the irradiation range. However, this design increases the volume of the point light source in the radial direction, occupies more space, and cannot meet the detection requirements in a compact space.

[0004] Therefore, it is necessary to improve the existing technology.

[0005] The above information is given as background information only to assist in understanding the present disclosure, and it is not determined or admitted whether any of the above content can be used as the prior art relative to the present disclosure. Summary of the Utility Model

[0006] The utility model provides a point light source and a machine vision detection system to solve the problems existing in the prior art.

[0007] To achieve the above object, the utility model provides the following technical solutions:

[0008] In a first aspect, the utility model provides a point light source, including a housing, a lens, and a surface mount lamp bead; wherein,

[0009] The lens and the surface mount lamp bead are arranged inside the housing;

[0010] The lens is located in front of the light-emitting direction of the surface mount lamp bead.

[0011] Further, in the point light source, a circuit board is further included;

[0012] The circuit board is arranged inside the housing and is electrically connected to the surface mount lamp bead.

[0013] Further, the point light source further includes a cooling fan;

[0014] The heat dissipation fan is located inside the housing, behind the patch LED beads in the axial direction, and is electrically connected to the circuit board.

[0015] Further, the point light source further includes a light source power cord and a fan power cord;

[0016] The light source power cord is electrically connected to the circuit board and is used to provide a working voltage for the patch LED beads;

[0017] The fan power cord is electrically connected to the circuit board and is used to provide a working voltage for the heat dissipation fan.

[0018] Further, in the point light source, a plurality of heat dissipation fins are provided on the housing;

[0019] The heat dissipation fins are located at positions corresponding to the heat dissipation fan.

[0020] Further, in the point light source, the housing is made of a metal with good heat dissipation performance.

[0021] Further, in the point light source, mounting holes are provided on the housing;

[0022] The positions of the mounting holes avoid the light emitting direction of the patch LED beads.

[0023] In a second aspect, the present utility model provides a machine vision detection system, including a camera and the point light source as described in the first aspect above.

[0024] Compared with the prior art, the present utility model has the following beneficial effects:

[0025] A point light source and a machine vision detection system provided by the present utility model include a housing, patch LED beads disposed inside the housing, and a lens disposed inside the housing and in front of the light emitting direction of the patch LED beads. By combining the use of patch LED beads and a lens, a single patch LED bead with a larger illumination area is paired with a small-sized lens, which not only ensures a large illumination range but also reduces the volume of the point light source in the radial direction, saves installation space, and is suitable for detection requirements in a compact space.

[0026] The present utility model has other characteristics and advantages, which will be obvious from the accompanying drawings incorporated herein and the subsequent detailed implementation manners, or will be detailedly described in the accompanying drawings incorporated herein and the subsequent detailed implementation manners. These accompanying drawings and detailed implementation manners are jointly used to explain the specific principles of the present utility model. Description of the Drawings

[0027] 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 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 be obtained based on these drawings.

[0028] Figure 1 It is a schematic (three-dimensional) view of the structure of a point light source provided by Embodiment 1 of the present invention;

[0029] Figure 2 It is a schematic (three-dimensional) view of the structure of a point light source provided by Embodiment 1 of the present invention;

[0030] Figure 3 It is a schematic (side view) of the structure of a point light source provided by Embodiment 1 of the present invention;

[0031] Figure 4 It is a schematic (sectional view) of the structure of a point light source provided by Embodiment 1 of the present invention.

[0032] Reference numerals:

[0033] Housing 1, lens 2, surface mount LED 3, circuit board 4, cooling fan 5, light source power cord 6, fan power cord 7, heat dissipation fins 8, mounting holes 9. Detailed implementation manners

[0034] To illustrate in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects, etc. of the present application, the following will be described in detail in combination with the specific embodiments listed and with reference to the drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, so they are only examples and cannot be used to limit the protection scope of the present application.

[0035] Referring to "embodiment" herein means that the specific features, structures or characteristics described in connection with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing at various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0036] Unless otherwise defined, the meanings of the technical terms used herein are the same as those commonly understood by those skilled in the technical field to which the present application belongs; the use of the relevant terms herein is only for describing specific embodiments and is not intended to limit the present application.

[0037] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this text generally represents an "or" logical relationship between the associated objects before and after.

[0038] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary, or sequential relationships between these entities or operations.

[0039] Without more limitations, in this application, the expressions "comprising", "including", "having", or other similar expressions used in a statement are intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method, or product that includes the said elements. Thus, a process, method, or product that includes a series of elements may not only include those defined elements, but also include other elements that are not explicitly listed, or elements that are inherent to such a process, method, or product.

[0040] Similar to the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than", "exceeding", etc. are understood not to include the number itself; expressions such as "above", "below", "within", etc. are understood to include the number itself. In addition, in the description of the embodiments of this application, the meaning of "a plurality of" is two or more (including two). Similar expressions related to "many", such as "multiple groups", "multiple times", etc., are understood in this way unless otherwise specifically defined.

[0041] In the description of the embodiments of this application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiment or the drawing. This is only for the convenience of describing the specific embodiments of this application or facilitating the reader's understanding, and does not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of this application.

[0042] Unless otherwise clearly specified or limited, in the description of the embodiments of the present application, terms such as "installed", "connected", "linked", "fixed", "set", etc. shall be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art to which the present application pertains, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0043] Embodiment 1

[0044] In view of the defects existing in the above-mentioned prior art, based on the rich practical experience and professional knowledge in the design and manufacture of this field for many years, and in cooperation with the application of theory, the applicant actively conducts research and innovation, hoping to create a technology that can solve the defects in the prior art. After continuous research, design, and repeated trial production of samples and improvement, a practical and valuable utility model has finally been created.

[0045] Please refer to Figures 1-4 , the embodiment of the present utility model carefully creates a point light source with an innovative design. The point light source ingeniously integrates three core components: a housing 1, a lens 2, and a surface-mounted lamp bead 3 in terms of structure. These three cooperate with each other to jointly form an efficient, compact, and stable lighting system.

[0046] First of all, as the basic framework of the point light source, the housing 1 not only provides a stable installation platform but also ensures the safety and reliability of the internal components.

[0047] The lens 2 is located inside the housing 1, in front of the light-emitting direction of the surface-mounted lamp bead 3, and plays a crucial role. The precise design and high-quality material selection of the lens 2 enable it to effectively focus and expand the irradiation range, thereby ensuring that the light emitted by the point light source can cover a wider area.

[0048] Compared with the traditional point light source design, this embodiment uses the surface-mounted lamp bead 3 as the light-emitting source. Compared with the traditional plug-in lamp bead, the surface-mounted lamp bead 3 has higher luminous efficiency and a larger irradiation area. This means that under the same power, the surface-mounted lamp bead 3 can produce brighter light with a larger irradiation area, thereby improving the accuracy and reliability of detection.

[0049] In addition, since the illumination area of a single surface-mounted lamp bead 3 is already large enough, when paired with a small-sized lens 2, it can still ensure a sufficiently large illumination range. This design not only reduces the volume of the point light source in the radial direction but also further saves the installation space. In today's industrial inspection field, the space layout is often compact, posing strict requirements on the size and layout of inspection equipment. Therefore, the point light source design provided in this embodiment can easily adapt to the inspection requirements in various compact spaces, bringing great convenience and flexibility to industrial inspection.

[0050] In summary, the point light source provided in this embodiment demonstrates excellent performance in terms of structural design, luminous performance, illumination range, and space adaptability. By adopting the combination of the surface-mounted lamp bead 3 and the lens 2, this point light source not only ensures high luminous efficiency and a wide illumination range but also significantly reduces the volume and installation space, providing a more advanced, efficient, and practical solution for the industrial inspection field.

[0051] Please refer to Figure 4 again. In this embodiment, the design of the point light source is further improved by adding a key component, the circuit board 4.

[0052] As the core control unit of the point light source, the circuit board 4 is cleverly placed inside the housing 1 and electrically connected to the surface-mounted lamp bead 3. This design ensures that the surface-mounted lamp bead 3 can stably and efficiently receive the electrical energy supply from the circuit board 4 and then emit bright and uniform light.

[0053] The introduction of the circuit board 4 not only enhances the stability and reliability of the point light source but also provides more functional expandability. Through the programming and control of the circuit board 4, precise adjustment of parameters such as the brightness and flashing frequency of the surface-mounted lamp bead 3 can be achieved to meet the requirements in different industrial inspection scenarios.

[0054] In addition, the compact design of the circuit board 4 further saves space, making the entire point light source more compact in volume while maintaining high performance, facilitating installation and layout. This feature makes the point light source in this embodiment particularly suitable for industrial inspection environments with compact spaces, bringing great convenience to the inspection work.

[0055] Please refer to Figure 4 again. In this embodiment, the design of the point light source is further optimized by introducing a cooling fan 5 to enhance the heat dissipation performance and avoid the situation where the light source life is reduced due to the surface-mounted lamp bead 3 generating heat during long-term high brightness.

[0056] The cooling fan 5 is located inside the housing 1 and is carefully placed behind the surface-mounted lamp beads 3 in the axial direction. Such a layout design enables the cooling fan 5 to effectively remove the heat generated by the surface-mounted lamp beads 3 and the circuit board 4, thereby avoiding performance degradation or damage caused by overheating of the device. It can be understood that although the cooling fan 5 is added, since the cooling fan 5 uses a fan with a small radial volume, it will not affect the radial volume of the point light source, and the increased axial volume is acceptable.

[0057] The cooling fan 5 is electrically connected to the circuit board 4. Through the precise control of the circuit board 4, the rotation speed of the cooling fan 5 can be automatically adjusted according to the temperature and working state of the device. This intelligent heat dissipation design enables the point light source to maintain a stable temperature under different working conditions, thereby ensuring the long-term stable operation of the device.

[0058] Please refer to again Figures 1-2 , in this embodiment, a more comprehensive consideration is given to the design of the point light source. By introducing the light source power cord 6 and the fan power cord 7, it is ensured that the surface-mounted lamp beads 3 and the cooling fan 5 can work stably and reliably.

[0059] First of all, the light source power cord 6 is electrically connected to the circuit board 4, and it is responsible for providing the necessary working voltage for the surface-mounted lamp beads 3. This design ensures that after the surface-mounted lamp beads 3 receive sufficient electrical energy, they can emit bright and uniform light to meet the requirements of industrial inspection.

[0060] At the same time, the fan power cord 7 is also electrically connected to the circuit board 4, and it is responsible for providing the working voltage for the cooling fan 5. Through the fan power cord 7, the cooling fan 5 can be normally started and operated, effectively removing the heat generated by the surface-mounted lamp beads 3 and the circuit board 4, and ensuring the stability and reliability of the point light source during high-load operation.

[0061] This separate power supply design mainly takes into account that the rated powers of the cooling fan 5 and the surface-mounted lamp beads 3 are inconsistent, which not only makes the circuit structure of the point light source clearer and easier to maintain, but also improves the safety and reliability of the device. In addition, the introduction of the light source power cord 6 and the fan power cord 7 enables us to control the working states of the surface-mounted lamp beads 3 and the cooling fan 5 respectively and make flexible adjustments according to actual needs.

[0062] Please refer to again Figures 1-4 , in this embodiment, the heat dissipation performance of the point light source is further improved. By providing a number of heat dissipation fins 8 on the housing 1, the heat dissipation effect is effectively enhanced.

[0063] The heat dissipation fins 8 are carefully arranged at the positions corresponding to the heat dissipation fans 5. Such a design enables the heat dissipation fans 5 to more efficiently guide air to flow through the heat dissipation fins 8 during operation, thereby accelerating the dissipation of heat. The heat dissipation fins 8 are usually made of metals with good thermal conductivity, such as aluminum or copper, to ensure that heat can be quickly and evenly conducted to the fin surfaces and rapidly dissipated into the surrounding environment through the blowing action of the fans.

[0064] This heat dissipation design combining the heat dissipation fins 8 and the heat dissipation fans 5 not only improves the heat dissipation efficiency of the point light source but also ensures the stability and reliability of the device during high-load operation. The introduction of the heat dissipation fins 8 enables heat to be better dissipated, avoiding performance degradation or damage caused by overheating.

[0065] In this embodiment, in order to further improve the heat dissipation performance of the point light source, therefore, a metal with good heat dissipation performance is selected to make the housing 1.

[0066] This metal material not only has good thermal conductivity and can quickly conduct the internal heat to the housing surface but also has high strength and corrosion resistance, ensuring that the point light source can operate stably in various complex environments. Through the synergistic effect of the metal housing 1, the heat dissipation fins 8, and the heat dissipation fans 5, the heat dissipation performance of the point light source has been greatly improved, effectively avoiding performance degradation or damage caused by overheating.

[0067] Please refer again to Figure 1 , in this embodiment, in order to meet the installation requirements of the point light source in actual applications, mounting holes 9 are carefully designed on the housing 1.

[0068] The positions of the mounting holes 9 are carefully selected to ensure that they avoid the light-emitting direction of the surface-mounted lamp beads 3, thus having no impact on the illumination effect of the light source. Such a design not only ensures that the point light source can emit light normally after installation but also improves the flexibility and convenience of the installation process.

[0069] Through the mounting holes 9, the point light source can be conveniently fixed at the desired positions. Whether it is fixed on the device surface or embedded inside the device, it can be easily achieved. This design enables the point light source to adapt to various different application scenarios, providing a more flexible and diverse solution for the industrial inspection field.

[0070] Although terms such as housing, lens, surface-mounted lamp beads, circuit board, heat dissipation fan, etc. are used more frequently in this application, the possibility of using other terms is not excluded. The use of these terms is only to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional restrictions is contrary to the spirit of the present utility model.

[0071] A point light source provided by the present utility model includes a housing, a patch LED bead disposed inside the housing, and a lens disposed inside the housing and in front of the light-emitting direction of the patch LED bead. By combining the patch LED bead and the lens, a single patch LED bead with a larger illumination area is paired with a small-sized lens, which not only ensures a large illumination range but also reduces the volume of the point light source in the radial direction, saving installation space and being suitable for detection requirements in a compact space.

[0072] Embodiment Two

[0073] An embodiment of the present utility model provides a machine vision inspection system, which combines a high-precision camera with the carefully designed point light source provided in the above-mentioned Embodiment One to achieve efficient and accurate vision inspection.

[0074] The point light source not only has a small volume in the radial direction and a large illumination area but also has excellent heat dissipation performance.

[0075] The camera in the system is responsible for capturing the image information of the target object irradiated by the point light source. By working in cooperation with the point light source, the camera can obtain clear and high-quality image data, providing a solid foundation for subsequent image processing and analysis.

[0076] This machine vision inspection system combines a high-precision camera and an efficient and stable point light source, and can achieve fast and accurate vision inspection. It is widely used in fields such as quality inspection, part size measurement, and position positioning on industrial production lines, improving production efficiency and product quality.

[0077] A machine vision inspection system provided by the present utility model includes a housing, a patch LED bead disposed inside the housing, and a lens disposed inside the housing and in front of the light-emitting direction of the patch LED bead. By combining the patch LED bead and the lens, a single patch LED bead with a larger illumination area is paired with a small-sized lens, which not only ensures a large illumination range but also reduces the volume of the point light source in the radial direction, saving installation space and being suitable for detection requirements in a compact space.

[0078] Finally, it should be noted that although the above-mentioned embodiments have been described in the text of the specification and drawings of the present application, the patent protection scope of the present application cannot be limited thereby. Any technical solutions obtained by equivalent structure or equivalent process substitution or modification based on the substantial concept of the present application and using the content recorded in the text of the specification and drawings of the present application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, etc., are all included in the patent protection scope of the present application.

Claims

1. A point light source, characterized in that, It includes a housing (1), a lens (2) and a surface-mounted lamp bead (3); wherein, the lens (2) and the surface-mounted lamp bead (3) are arranged inside the housing (1); the lens (2) is located in front of the light-emitting direction of the surface-mounted lamp bead (3).

2. The point light source according to claim 1, wherein It further includes a circuit board (4); the circuit board (4) is arranged inside the housing (1) and is electrically connected to the surface-mounted lamp bead (3).

3. The point light source according to claim 2, characterized in that, It further includes a cooling fan (5); the cooling fan (5) is located inside the housing (1), behind the surface-mounted lamp bead (3) in the axial direction, and is electrically connected to the circuit board (4).

4. The point light source according to claim 3, wherein It further includes a light source power cord (6) and a fan power cord (7); the light source power cord (6) is electrically connected to the circuit board (4) and is used to provide a working voltage for the surface-mounted lamp bead (3); the fan power cord (7) is electrically connected to the circuit board (4) and is used to provide a working voltage for the cooling fan (5).

5. The point light source according to claim 3, characterized in that, A plurality of heat dissipation fins (8) are arranged on the housing (1); the heat dissipation fins (8) are located at positions corresponding to the cooling fan (5).

6. The point light source according to claim 1, characterized in that, The housing (1) is made of a metal with good heat dissipation performance.

7. The point light source according to claim 1, wherein Mounting holes (9) are formed in the housing (1); the positions of the mounting holes (9) avoid the light-emitting direction of the surface-mounted lamp bead (3).

8. A machine vision inspection system, characterized in that, It includes a camera and the point light source according to any one of claims 1-7.

Images