Integrated light source capable of emitting light in crossed mode

Abstract

The utility model discloses an integrated light source capable of emitting light crosswise, which comprises a bottom plate, mounting plates are mounted on the bottom plate, the mounting plates are symmetrically arranged, a plurality of first mounting seats are arranged on one side of each mounting plate, a plurality of second mounting seats are arranged on the other side of each mounting plate, and the first mounting seats and the second mounting seats are arranged in a relatively outward inclined manner. A first PCB (Printed Circuit Board) is arranged on the first mounting seat, a first LED lamp bead is arranged on the first PCB, a second PCB is arranged on the second mounting seat, and a second LED lamp bead is arranged on the second PCB; the first LED lamp beads emit inclined first light rays outwards, and the second LED lamp beads emit inclined second light rays outwards. The first light and the second light intersect with each other to irradiate an object to be detected; the integrated light source provided by the utility model is good in condensation effect, clear in imaging without shadow, suitable for plane scratch detection of an assembly line, capable of being used in more scenes, and simple and compact in structure.

Description

TECHNICAL FIELD

[0001] The utility model belongs to LED light source technical field, especially relate to an integrated light source of cross emission light. BACKGROUND

[0002] In machine vision system, illumination light source is the most important factor of determining machine vision system image quality, through selecting suitable light source, can make target feature and background information in image get best separation, thereby greatly reduce the difficulty of image processing, improve the stability and reliability of system.

[0003] The existing linear light source is usually a long strip-shaped LED lamp, can provide uniform illumination, is suitable for detecting long strip-shaped object or the scene needing large area uniform illumination. But it is not suitable for many surface detections. In product detection, many horizontal and vertical surface defects and the detection of bright field and dark field combination cannot be completely detected by single linear light source. For example: when the surface defect needs to be detected, the small three-dimensional defect needs to be highlighted through the light and shade difference of the shadow; the existing linear light source can process the surface defect of complex product by combining two and continuously adjusting the angle, the spotlight effect is poor, the imaging is not clear enough, and the flow line operation detection of different products cannot be met. SUMMARY

[0004] The utility model discloses a kind of integrated light sources of cross emission light, and the purpose is to overcome the single linear light source in prior art cannot process the surface defect of complex product, spotlight effect is good, imaging is clear without shadow, suitable for the detection of flow line plane scratch, meet more scene use, and structure is simple, compact, easy to assemble.

[0005] To achieve the above object, the utility model provides an integrated light source of cross emission light, including bottom plate, the installation plate is equipped on the bottom plate, the installation plate is symmetrically arranged, a side is equipped with a plurality of first mounting seat, the other side is equipped with a plurality of second mounting seat, the first mounting seat and second mounting seat are all relatively inclined to the outside and are arranged, the first PCB board is equipped on the first mounting seat, the first LED lamp pearl is equipped on the first PCB board, the second PCB board is equipped on the second mounting seat, and the second LED lamp pearl is equipped on the second PCB board;The first LED lamp pearl emits the first light ray that is inclined to the outside, and the second LED lamp pearl emits the second light ray that is inclined to the outside;The first light ray and the second light ray cross each other, and irradiate the object to be detected.

[0006] As preferred, the included angle between the installation plate and the first mounting seat is between 30° to 60°, and the included angle between the installation plate and the second mounting seat is between 30° to 60°.

[0007] Preferably, the front part of the mounting plate is provided with a light collecting rod and a transparent plate, and the first light and the second light pass through the light collecting rod and the transparent plate in sequence and are emitted outward.

[0008] Preferably, the light collecting rod and the transparent plate are made of transparent material.

[0009] Preferably, the rear part of the mounting plate is provided with a plurality of vertically spaced heat dissipation fins, and the mounting plate and the heat dissipation fins are made of aluminum profile material.

[0010] Preferably, the rear part of the heat dissipation fin is provided with a plurality of vertically spaced heat dissipation fans, and the heat dissipation fans dissipate heat from the heat dissipation fins.

[0011] Preferably, the first PCB and the second PCB are provided with circular arc grooves on both sides, the circular arc grooves are internally provided with fixing screws, the fixing screws are bolted with the first mounting seat or the second mounting seat, and the first PCB or the second PCB is fixed.

[0012] Preferably, the upper part of the mounting plate is provided with an upper cover, the bottom plate and the upper cover fix the mounting plate, the light collecting rod and the transparent plate, the mounting plate is bolted between the bottom plate and the upper cover, the inner side surfaces of the bottom plate and the upper cover are provided with arc grooves, the light collecting rod is limited in the arc grooves, the bottom plate is provided with a first insertion groove, the upper cover is provided with a second insertion groove, the lower end of the transparent plate is inserted into the first insertion groove, and the upper end is inserted into the second insertion groove.

[0013] Preferably, the bottom plate and the upper cover are provided with a plurality of U-shaped grooves, the U-shaped grooves are communicated with the heat dissipation fins at the rear part of the mounting plate, the bottom plate and the upper cover are provided with limiting side plates at both ends, the limiting side plates are provided with a circular groove for accommodating the end part of the light collecting rod and a third insertion groove for accommodating the end part of the transparent plate.

[0014] Preferably, the rear part of the heat dissipation fan is provided with a rear end plate, the rear end plate is fixedly connected with the limiting side plate, the rear end plate is provided with a ventilation hole corresponding to the heat dissipation fan, and a fan mesh is arranged between the ventilation hole and the heat dissipation fan; one side of the rear end plate is provided with a plurality of wire insertion interfaces, and the wire insertion interfaces are electrically connected with the first PCB, the second PCB and the heat dissipation fan.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a mounting plate symmetry sets up, a plurality of first LED lamp pearl set up in left side, a plurality of second LED lamp pearl set up in right side, and the first LED lamp pearl sends the first light line of inclination outward, and the second LED lamp pearl sends the second light line of inclination outward, the first light line and the second light line cross each other, and the light effect is good to the object of detection, and the imaging is clear without shadow, is applicable to the plane scratch detection of assembly line, satisfies more scene use, and simple structure, compact, convenient to assemble. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the side structure schematic diagram of the integrated light source of cross emission light that the utility model provides;

[0019] Figure 2 It is the exploded schematic diagram of the integrated light source of cross emission light that the utility model provides;

[0020] Figure 3 It is the overhead section view of the integrated light source of cross emission light that the utility model provides;

[0021] Figure 4 It is the side structure schematic diagram of the integrated light source of cross emission light that the utility model provides;

[0022] Figure 5 It is the front structure schematic diagram of the integrated light source of cross emission light that the utility model provides;

[0023] Figure 6 It is the enlarged schematic diagram of the middle part of the mounting plate that the utility model provides.

[0024] In the drawing includes:

[0025] 11. Base plate; 2. Mounting plate; 21. First mounting base; 22. Second mounting base; 31. First PCB board; 41. First LED bead; 32. Second PCB board; 42. Second LED bead; 5. Focusing rod; 6. Transparent plate; 23. Heat sink; 24. Cooling fan; 33. Arc groove; 34. Fixing screw; 12. Top cover; 13. Arc groove; 14. First insertion groove; 15. Second insertion groove; 16. U-shaped groove; 17. Limiting side plate; 18. Circular groove; 28. Third insertion groove; 19. Rear end plate; 20. Ventilation hole; 25. Fan mesh; 26. Socket interface. Detailed Implementation

[0026] The technical solution of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Please refer to Figures 1 to 6 This invention provides an integrated light source that emits cross-beams.

[0028] like Figure 1 and Figure 2 As shown; the integrated light source includes a base plate 11 at the bottom, and a long strip mounting plate 2 is installed in the middle of the base plate 11. The mounting plates 2 are symmetrically arranged, with a plurality of first mounting seats 21 on one side and a plurality of second mounting seats 22 on the other side, as shown. Figure 6 As shown; the first mounting base 21 and the second mounting base 22 are both inclined outwards relative to each other.

[0029] The first mounting base 21 is equipped with a first PCB board 31, and the first PCB board 31 is equipped with a first LED bead 41. The second mounting base 22 is equipped with a second PCB board 32, and the second PCB board 32 is equipped with a second LED bead 42. The first LED bead 41 emits a first beam of light at an angle, and the second LED bead 42 emits a second beam of light at an angle. Figure 3 As shown; the first light beam is directed toward one side of the second LED bead 42, and the second light beam is directed toward one side of the first LED bead 41. The first and second light beams intersect each other and illuminate the object to be detected. The light focusing effect is good, the imaging is clear and shadow-free, and it is suitable for planar scratch detection on production lines. It meets the needs of more scenarios and has a simple and compact structure that is easy to assemble.

[0030] The first light and the second light are arranged to cross each other, when the light crosses and obliquely irradiates, a shadow or a highlight area is generated, which is helpful to enhance the contrast of the texture or three-dimensional structure of the object surface. It can be applied to object surface defect detection, such as scratch, depression, convexity or texture detection on the surface of materials such as metal, plastic and glass.

[0031] The light crossing irradiates on the object surface to form a multi-directional shadow, and the small three-dimensional defects are highlighted through the light and dark difference of the shadow.

[0032] Scratch detection: the light crossing will make the scratch produce a long strip shadow, which is contrasted with the flat surface.

[0033] Welding point detection: light rays at different angles can reveal the height difference or cracks of the welding points.

[0034] The internal bubbles, impurities or surface scratches of transparent objects such as glass bottles, plastic films and optical lenses are detected. The light obliquely irradiates is refracted in the transparent material, and the impurities or bubbles scatter the light to form local bright spots or dark spots.

[0035] By adjusting the crossing angle, the interference of mirror reflection on imaging can also be reduced.

[0036] As shown in Figure 3 , the included angle between the mounting plate 2 and the first mounting seat 21 is between 30° and 60°, and the included angle between the mounting plate 2 and the second mounting seat 22 is between 30° and 60°; the above-mentioned angle can be customized as a whole according to actual application, in the embodiment, as shown in Figure 3 , the included angle between the mounting plate 2 and the first mounting seat 21 is 45°, and the included angle between the mounting plate 2 and the second mounting seat 22 is also 45°, which are symmetrical to each other; a light source with different left and right angles can also be customized, for example, the included angle between the mounting plate 2 and the first mounting seat 21 is 45°, and the included angle between the mounting plate 2 and the second mounting seat 22 is 55°.

[0037] In order to condense light, the front of the mounting plate 2 is provided with a light condensing rod 5 and a transparent plate 6, and the first light and the second light sequentially pass through the light condensing rod 5 and the transparent plate 6 and are emitted outward; further, the light condensing rod 5 and the transparent plate 6 are both transparent materials.

[0038] In order to dissipate heat for the mounting plate 2, a plurality of vertically spaced heat dissipation fins 23 are arranged at the rear of the mounting plate 2, and the mounting plate 2 and the heat dissipation fins 23 are both aluminum profile materials, which have good heat conduction and are helpful to dissipate heat.

[0039] Further, a plurality of vertically spaced heat dissipation fans 24 are arranged at the rear of the heat dissipation fins 23, and the heat dissipation fans 24 dissipate heat for the heat dissipation fins 23.

[0040] As shown in Figure 6 The first PCB board 31 and the second PCB board 32 are provided with circular arc grooves 33 on both sides, and the circular arc grooves 33 are internally provided with fixing screws 34 which are bolted with the first mounting seat 21 or the second mounting seat 22 to fix the first PCB board 31 or the second PCB board 32.

[0041] As shown in Figure 4 The mounting plate 2 is bolted between the bottom plate 11 and the upper cover 12, and the bottom plate 11 and the upper cover 12 are internally provided with arc grooves 13, and the spotlight rod 5 is limited in the arc grooves 13; the bottom plate 11 is provided with a first insertion groove 14, the upper cover 12 is provided with a second insertion groove 15, and the transparent plate 6 is inserted into the first insertion groove 14 at the lower end and into the second insertion groove 15 at the upper end; and the transparent plate 6 is limited between the first insertion groove 14 and the second insertion groove 15.

[0042] Further, in order to limit the spotlight rod 5 and the transparent plate 6, the bottom plate 11 and the upper cover 12 are both provided with limiting side plates 17, the limiting side plates 17 are provided with circular grooves 18 corresponding to the spotlight rod 5 for accommodating the end of the spotlight rod 5 and limiting the two ends of the spotlight rod 5; and the limiting side plates 17 are also provided with third insertion grooves 28 corresponding to the two ends of the transparent plate 6 for accommodating the ends of the transparent plate 6 and limiting the two ends of the transparent plate 6.

[0043] In order to accelerate the heat dissipation inside the integrated light source, the bottom plate 11 and the upper cover 12 are both provided with two long strip-shaped U-shaped grooves 16 which are communicated with the heat dissipation fins 23 at the rear of the mounting plate 2, so as to realize the communication and heat dissipation between the inside and the outside.

[0044] Further, the rear end plate 19 is provided at the rear of the heat dissipation fan 24, the rear end plate 19 is fixedly connected with the limiting side plate 17, the rear end plate 19 is provided with air vents 20 corresponding to the heat dissipation fan 24, and the fan mesh 25 is arranged between the air vents 20 and the heat dissipation fan 24.

[0045] The external air enters between the heat dissipation fins 23 through the air vents 20 under the driving of the heat dissipation fan 24, takes away the heat of the heat dissipation fins 23, and returns to the outside from the U-shaped grooves 16, so as to realize the circulation of the external air and take away the heat inside.

[0046] In the embodiment, the rear end plate 19 is provided with a wire interface 26 at one end and another wire interface 26 at the other end, one of which is electrically connected with the first PCB plate 31 and the second PCB plate 32, and the other is electrically connected with the cooling fan 24.

[0047] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, which is included in the protection scope of the present application.

Claims

1. An integrated light source that cross fires light rays, characterized by: The application relates to a light-emitting device for detecting objects, which comprises a bottom plate (11) provided with mounting plates (2) arranged symmetrically, a plurality of first mounting seats (21) arranged on one side of the mounting plates (2), a plurality of second mounting seats (22) arranged on the other side of the mounting plates (2), the first mounting seats (21) and the second mounting seats (22) being arranged oppositely and outwardly, a first PCB plate (31) arranged on the first mounting seats (21), a plurality of first LED lamp beads (41) arranged on the first PCB plate (31), a second PCB plate (32) arranged on the second mounting seats (22), and a plurality of second LED lamp beads (42) arranged on the second PCB plate (32); the first LED lamp beads (41) emit outwardly inclined first light, and the second LED lamp beads (42) emit outwardly inclined second light; the first light and the second light cross each other and irradiate the object to be detected.

2. An integrated light source for emitting light rays in different directions according to claim 1, wherein: The included angle between the mounting plate (2) and the first mounting seat (21) is between 30 DEG and 60 DEG, and the included angle between the mounting plate (2) and the second mounting seat (22) is between 30 DEG and 60 DEG.

3. An integrated light source for emitting light rays in different directions according to claim 1, wherein: The front part of the mounting plate (2) is provided with a light collecting rod (5) and a transparent plate (6), and the first light and the second light sequentially pass through the light collecting rod (5) and the transparent plate (6) and are emitted outwardly.

4. An integrated light source for emitting light rays in different directions according to claim 3, wherein: The light collecting rod (5) and the transparent plate (6) are made of transparent material.

5. An integrated light source that emits light rays in different directions according to claim 1, wherein: The rear part of the mounting plate (2) is provided with a plurality of vertically and spacedly arranged heat dissipation fins (23), and the mounting plate (2) and the heat dissipation fins (23) are made of aluminum profile material.

6. An integrated light source for emitting light rays in different directions according to claim 5, wherein: The rear part of the heat dissipation fin (23) is provided with a plurality of vertically and spacedly arranged heat dissipation fans (24), and the heat dissipation fans (24) dissipate heat for the heat dissipation fin (23).

7. An integrated light source that emits light rays in different directions according to claim 1, wherein: The first PCB plate (31) and the second PCB plate (32) are provided with circular arc grooves (33) on two sides, the circular arc grooves (33) are internally provided with fixing screws (34), the fixing screws (34) are bolted with the first mounting seat (21) or the second mounting seat (22), and the first PCB plate (31) or the second PCB plate (32) is fixed.

8. An integrated light source for emitting light rays in different directions according to claim 6, wherein: The upper part of the mounting plate (2) is provided with an upper cover (12), the bottom plate (11) and the upper cover (12) fix the mounting plate (2), the light collecting rod (5) and the transparent plate (6), the mounting plate (2) is bolted between the bottom plate (11) and the upper cover (12), the inner side surfaces of the bottom plate (11) and the upper cover (12) are provided with arc grooves (13), the light collecting rod (5) is limited in the arc grooves (13), the bottom plate (11) is provided with a first insertion groove (14), the upper cover (12) is provided with a second insertion groove (15), the lower end of the transparent plate (6) is inserted into the first insertion groove (14), and the upper end of the transparent plate (6) is inserted into the second insertion groove (15).

9. An integrated light source for emitting light rays in different directions according to claim 8, wherein: The bottom plate (11) and the upper cover (12) are provided with a plurality of U-shaped grooves (16) which are communicated with the radiating fins (23) at the rear of the mounting plate (2), and the bottom plate (11) and the upper cover (12) are provided with limiting side plates (17) at the two ends, the limiting side plates (17) are provided with circular grooves (18) for accommodating the end of the light collecting rod (5) and third insertion grooves (28) for accommodating the end of the transparent plate (6).

10. An integrated light source for emitting light rays in different directions according to claim 9, wherein: The rear end plate (19) is fixedly connected with the limiting side plate (17), the rear end plate (19) is provided with air holes (20) corresponding to the radiating fan (24), and the fan mesh (25) is arranged between the air holes (20) and the radiating fan (24); a plurality of wire insertion interfaces (26) are arranged on one side of the rear end plate (19), and the wire insertion interfaces (26) are electrically connected with the first PCB (31), the second PCB (32) and the radiating fan (24).

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