CN219201341U

CN219201341U - Detection light source

Info

Publication number: CN219201341U
Application number: CN202223421848.0U
Authority: CN
Inventors: 王晶晶; 周永宾
Original assignee: Dongguan Ruishi Optoelectronics Technology Co Ltd
Current assignee: Dongguan Ruishi Optoelectronics Technology Co Ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-06-16
Anticipated expiration: 2032-12-17

Abstract

The utility model relates to the technical field of light source devices, and provides a detection light source, which comprises: the light-emitting component comprises a lamp holder, a plurality of first light-emitting pieces and a plurality of second light-emitting pieces, wherein the lamp holder is arranged in the shell away from the light-condensing component, and the first light-emitting pieces and the second light-emitting pieces are arranged on the lamp holder and used for emitting light; each first light-emitting piece and each second light-emitting piece are obliquely fixed to the lamp holder, and the oblique directions of any two adjacent first light-emitting pieces and second light-emitting pieces are opposite, so that light rays of the adjacent first light-emitting pieces and second light-emitting pieces are staggered and emitted to the light-gathering assembly. The utility model changes the single irradiation angle of the light, improves the brightness and uniformity of the irradiation of the light source, and is more beneficial to detecting the defects of the detected object.

Description

Detection light source

Technical Field

The utility model relates to the technical field of light source devices, in particular to a detection light source.

Background

At present, in the surface scratch or other defect detection and material external light detection processes of transparent glass products, metal products, aluminum foils and other products, the conventional linear detection light source is used, the conventional linear detection light source is generally only capable of directly illuminating a detected object, the illumination angle is single, when the detected object with irregular shapes is encountered, the characteristic defect of the detected object cannot be reflected in time, and the light source cannot easily gather all light rays and then emit the light outwards due to direct illumination, so that the problem of low brightness exists; under the condition, when the target object is detected to have characteristic defects, the contrast of the detected material characteristics is not obvious, and the defects of the detected object in the vertical and horizontal movement directions cannot be compared, so that defective products exist in the detected material.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a detection light source which is based on linear scanning stroboscopic effect, can effectively improve the brightness of the light source and increase the characteristic contrast of a detected object.

In order to solve the problems, the utility model provides the following technical scheme:

a detection light source, comprising: the light-emitting component comprises a lamp holder, a plurality of first light-emitting pieces and a plurality of second light-emitting pieces, wherein the lamp holder is arranged in the shell away from the light-condensing component, and the first light-emitting pieces and the second light-emitting pieces are arranged on the lamp holder and used for emitting light;

each first light-emitting piece and each second light-emitting piece are obliquely arranged on the lamp holder, and the oblique directions of any two adjacent first light-emitting pieces and second light-emitting pieces are opposite, so that the light rays of the adjacent first light-emitting pieces and second light-emitting pieces are staggered and emitted to the light-gathering assembly.

Further, a first mounting surface and a second mounting surface are arranged on one side, facing the light condensation assembly, of the lamp holder, and the lamp holder is mounted in the shell along the horizontal direction;

the first light-emitting piece comprises a first lamp panel obliquely arranged on the first mounting surface and first lamp beads arranged on the first lamp panel, and the second light-emitting piece comprises a second lamp panel obliquely arranged on the second mounting surface and second lamp beads arranged on the second lamp panel;

the inclination angle of the first lamp panel is equal to the included angle between the first mounting surface and the horizontal plane of the lamp holder, and the inclination angle of the second lamp panel is equal to the included angle between the second mounting surface and the horizontal plane of the lamp holder.

Further, the included angle between the first mounting surface and the horizontal plane of the substrate and the included angle between the second mounting surface and the horizontal plane of the substrate are all set between 30 degrees and 70 degrees.

Further, each first mounting surface forms a first interval with an adjacent second mounting surface facing the first mounting surface, each first mounting surface forms a second interval with an adjacent second mounting surface facing away from the first mounting surface, and the distance of the first interval is larger than the second interval.

Further, the light focusing assembly comprises a light focusing rod, a light transmitting plate and a diffusion film, wherein the light focusing rod is arranged close to the lamp holder, the light transmitting plate is arranged on the other side of the light focusing rod away from the lamp holder, and the diffusion film is attached to the light transmitting plate and faces one side of the lamp holder; the light condensing rod and the light transmitting plate are arranged in a clearance way.

Further, the light condensing rod is arranged to be a cylinder, the length of the light condensing rod is larger than that of the lamp holder, and the diameter of the light condensing rod is larger than that of the lamp holder.

Further, the central axial surfaces of the light focusing rod, the first lamp beads and the second lamp beads are coplanar.

Further, the first lamp bead is positioned on the first lamp panel and is close to the light condensing rod; the second lamp bead is positioned on the second lamp panel and is close to the light condensing rod.

Further, the detection light source comprises a heat dissipation base which is abutted with the lamp holder and a fan assembly which is arranged on the outer side of the heat dissipation base away from the lamp holder, and the lamp holder is fixed on the heat dissipation base; the fan assembly comprises an exhaust fan, an exhaust fan and a plurality of fixing seats for fixing the exhaust fan and the exhaust fan.

Further, the exhaust fans and the exhaust fans are arranged into at least two groups, and the at least two groups of exhaust fans and the exhaust fans are alternately arranged on the heat dissipation base.

The beneficial effects of the utility model are as follows: through setting up first light emitting part and second light emitting part slope at the lamp stand, set up the inclination opposite of adjacent first light emitting part and second light emitting part simultaneously for the crisscross light of adjacent first light emitting part and second light emitting part is to spotlight subassembly, thereby has changed the single irradiation angle of light, makes light outwards penetrate at crisscross light condensing subassembly and through spotlight subassembly, promotes luminance and the light homogeneity that detects the light source and shines, more is favorable to detecting the defect of being detected the thing.

Drawings

FIG. 1 is a perspective view of a detection light source according to the present utility model;

FIG. 2 is an exploded view of a detection light source according to the present utility model;

FIG. 3 is an exploded view of a light emitting assembly for detecting a light source according to the present utility model;

FIG. 4 is a cross-sectional view of one embodiment of a detection light source according to the present utility model;

FIG. 5 is a schematic view of the central axial planes of the light bar and light assembly of FIG. 2 in a coplanar relationship;

fig. 6 is a cross-sectional view of another embodiment of a detection light source of the present utility model.

Reference numerals:

100. detecting a light source; 10. a light emitting assembly; 20. a light gathering assembly; 111. a lamp holder; 40. a housing; 101. a first light emitting member; 102. a second light emitting member; 121. a substrate; 122. a first mounting surface; 123. a second mounting surface; 112. a first lamp panel; 113. a second lamp panel; 114. a first light bead; 115. a second light bead; 221. a first side portion; 222. a second side portion; 223. a third side portion; 224. a fourth side portion;

l1, a first interval; l2, a second interval; 211. a light-gathering rod; 212. a light-transmitting plate; 213. a diffusion film; l3, the length of the light condensing rod; l4, the length of the lamp holder; l5, diameter of the light condensing rod; l6, the width of the lamp holder; e1, a central axial surface; 231. a mounting groove; 232. a mounting hole; 311. a heat dissipation base; 312. a fan assembly; 322. an exhaust fan; 332. an exhaust fan; 411. a first housing; 412. a second housing; 321. a fixing seat; 511. electrifying the mounting seat; 512. and (5) energizing the terminals.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Referring to fig. 1-6, the present embodiment provides a detection light source 100, which includes: the light emitting component 10, the spotlight component 20 for gathering the light emitted by the light emitting component 10, and the housing 40 for installing the light emitting component 10 and the spotlight component 20 can be understood that the detection light source 100 is used in combination with an external line sweep flash controller through the light emitting component 10, the detected object to be detected is placed below the detection light source 100 through electrically connecting the light emitting component 10 with the external line sweep flash controller, after the light source is electrified, the light emitting component 10 is controlled by the line sweep flash controller so as to lighten the detected object for detection, and meanwhile, the detection result is imaged and compared through a camera, so that the detected object is rapidly detected.

Preferably, the light collecting assembly 20 is installed at a side of the light emitting assembly 10 for emitting light, and the light emitting assembly 10 includes a lamp holder 111 disposed inside the case 40 away from the light collecting assembly 20, a plurality of first light emitting members 101 and a plurality of second light emitting members 102 arranged on the lamp holder 111 for emitting light, and in this embodiment, the first light emitting members 101 and the second light emitting members 102 are alternately arranged in a row on the lamp holder 111; each of the first light emitting member 101 and the second light emitting member 102 are obliquely mounted on the lamp holder 111, and the oblique directions of any two adjacent first light emitting members 101 and second light emitting members 102 are opposite, so that the light rays of the adjacent first light emitting members 101 and second light emitting members 102 are alternately emitted to the light condensing assembly 20.

Specifically, the lamp holder 111 includes a base plate 121 and first and second mounting surfaces 122 and 123 protruding from the base plate 121 toward the light condensing assembly 20; in this embodiment, the first mounting surface 122 and the second mounting surface 123 form an angle with the horizontal plane where the substrate 121 is located, so that the first mounting surface 122 and the second mounting surface 123 are obliquely disposed on the substrate 121.

As shown in fig. 3, preferably, the first light emitting element 101 includes a first light panel 112 mounted on the first mounting surface 122 and a first light bead 114 mounted on the first light panel 112, and the second light emitting element 102 includes a second light panel 113 mounted on the second mounting surface 123 and a second light bead 115 mounted on the second light panel 113; it can be understood that the first light panel 112 and the second light panel 113 are both disposed obliquely, and the angle of inclination of the first light panel 112 is equal to the angle between the first mounting surface 122 and the horizontal plane of the substrate 121, and the angle of inclination of the second light panel 113 is equal to the angle between the second mounting surface 123 and the horizontal plane of the substrate 121.

alternatively, in the present embodiment, the inclination angles of the first light panel 112 and the second light panel 113 are the same.

Specifically, the angle between the first mounting surface 122 and the horizontal plane of the substrate 121, and the angle between the second mounting surface 123 and the horizontal plane of the substrate 121 are all set between 30 ° and 70 °.

As shown in fig. 4, in particular, in this embodiment, the angles between the first mounting surface 122 and the second mounting surface 123 and the base plate 121 are all 70 °, and in other embodiments, the angles between the first mounting surface 122 and the second mounting surface 123 and the base plate 121 may be set to other angles according to the distance between the light collecting assembly 20 and the lamp holder 121.

As shown in fig. 3, alternatively, the first light panel 112 and the second light panel 113 are both concavely provided with mounting grooves 231 on both sides, and simultaneously, the first mounting surface 122 and the second mounting surface 123 are provided with mounting holes 232 adapted to the mounting grooves 231, and the first light panel 112 and the second light panel 113 are respectively mounted on the first mounting surface 122 and the second mounting surface 123 by inserting the mounting holes 232 after passing through the mounting grooves 231 through the fixing screws.

Preferably, each first mounting surface 122 forms a first space L1 with an adjacent second mounting surface 123 facing the first mounting surface 122, each first mounting surface 122 forms a second space L2 with an adjacent second mounting surface 123 facing away from the first mounting surface, and the distance between the first spaces L1 is greater than the distance between the second spaces L2, which is beneficial in that a larger irradiation space is reserved for the light rays of the first lamp beads 114 and the second lamp beads 115 by arranging the first spaces 132, so that most of the light rays are emitted to the light focusing assembly 20.

As shown in fig. 2 to 4, it is preferable that the condensing assembly 20 includes a condensing bar 211 disposed near the lamp socket 111 and a light-transmitting plate 212 disposed at the other side of the condensing bar 211 away from the lamp socket 111; the light-gathering rod 211 and the light-transmitting plate 212 are made of transparent organic glass, and the light-gathering rod 211 is used for gathering light rays emitted by the first lamp beads 114 and the second lamp beads 115, so that the light rays are adjusted, the uniformity of the light rays is improved, and the light rays are emitted to an object to be detected through the light-transmitting plate 212.

Preferably, the light focusing assembly 20 further includes a diffusion film 213 facing the light focusing rod 211 and attached to the light transmitting plate 212, and the diffusion film 213 is made of PET (fully named Polyethylene Glycol Terephthalate, chinese name-polyethylene terephthalate) and has excellent physical and mechanical properties in a wide temperature range, the long-term use temperature can reach 120 ℃, the electrical insulation is excellent, and even under high temperature and high frequency, the electrical properties are better, and the creep resistance, fatigue resistance, friction resistance and dimensional stability are good), so that the light can be more uniformly dispersed after being emitted.

Preferably, the light-gathering rod 211 is a cylinder, the length L3 of the light-gathering rod is greater than the length L4 of the lamp holder, the diameter L5 of the light-gathering rod is greater than the width L6 of the lamp holder, the structure enables the light-gathering rod 211 to receive the light emitted from the first lamp bead 114 and the second lamp bead 115 in a larger range, and meanwhile, the light-gathering rod 211 and the light-transmitting plate 212 are arranged in a gap with the lamp holder 111, so that the light reaches larger brightness after being emitted from the light-gathering assembly 20 by the principle of specular reflection and diffuse reflection, and the characteristics of the detected object are illuminated more clearly.

As shown in fig. 3 to 6, preferably, the first light emitting member 101 and the second light emitting member 102 are arranged in a row on the lamp base 111, and the positions of the first beads 114 on the first lamp panel 112 and the positions of the second beads 115 on the second lamp panel 113 are also arranged in a row, and in this embodiment, the condensing bars 211 and the central axial surfaces E1 of the first beads 114 and the second beads 115 are arranged to be coplanar, so that the light emitted by the first beads 114 and the second beads 115 uniformly impinges on the condensing bars 211, and the light is more uniform.

Preferably, the first light bead 114 is located on the first light panel 112 near the light focusing rod 211; the second light beads 115 are positioned on the second light panel 113 near the light focusing bars 211.

Specifically, the first lamp panel 112 includes a first side 221 far from the substrate 121 and second side 222 disposed at two ends of the first side 221, and the first lamp bead 114 is mounted at the center of the two second side 222 and near the first side 221;

specifically, the second light panel 113 includes a third side portion 223 far from the substrate 121 and fourth side portions 224 disposed at both ends of the third side portion 223, and the second light beads 115 are installed at the centers of the two fourth side portions 224 and near the third side portion 223; the advantage of this structure is that most of the light emitted from the first lamp beads 114 and the second lamp beads 115 can be concentrated and directed to the condensing assembly 20, so that the light waste caused by the fact that the mounting positions of the first lamp beads 114 and the second lamp beads 115 are too close to the substrate 121 and the light is emitted to the panel body of the first lamp panel 112 or the second lamp panel 113 is avoided.

Optionally, heat conductive silicone grease is coated between the first light panel 112 and the first mounting surface 122, and between the second light panel 113 and the second mounting surface 123, so that heat transfer between the first light panel 112 and the second light panel 113 can be accelerated, and heat dissipation can be accelerated.

As shown in fig. 1 and 4, preferably, the heat dissipation assembly 30 includes a heat dissipation base 311 abutting against the lamp base 111 and a fan assembly 312 installed at an outer side of the heat dissipation base 311 away from the lamp base 111, and the lamp base 111 is fixed to the heat dissipation base 311; further, the fan assembly 312 includes an exhaust fan 322, an exhaust fan 332, and a plurality of holders 321 that hold the exhaust fan 322 and the exhaust fan 332.

Further, the exhaust fans 322 and the exhaust fans 332 are arranged in at least two groups, and the at least two groups of exhaust fans 322 and the exhaust fans 332 are alternately arranged on the heat dissipation base 311; the alternate structure can make the two exhaust fans 322 and the exhaust fan 332 form air flow double circulation for the heat dissipation component 30, thereby accelerating the heat dissipation of the light source.

As shown in fig. 1 and 4, preferably, the housing 40 includes a first housing 411 and a second housing 412 disposed on both sides of the detection light source 100, and heat dissipation ribs for accelerating heat dissipation are disposed on the first housing 411 and the heat dissipation base 311.

As shown in fig. 1, preferably, the detection light source 100 further includes an energizing mounting seat 511 mounted on the heat dissipation base 311, and an energizing terminal 512 mounted in the energizing mounting seat 511 and electrically connected to both the first lamp panel 112 and the second lamp panel 113, the energizing terminal 512 is connected to an external power source through a wire, and meanwhile, the external line sweep flash controller is connected to the energizing terminal 512 to control the first lamp bead 114 and the second lamp bead 115 to perform incremental strobe, so as to detect defects of the detected object.

In summary, according to the utility model, the first light emitting piece and the second light emitting piece are obliquely arranged on the lamp holder, and the oblique directions of the adjacent first light emitting piece and the adjacent second light emitting piece are opposite, so that the light rays of the adjacent first light emitting piece and the adjacent second light emitting piece are alternately emitted to the light gathering assembly, a single irradiation angle of the light rays is changed, the light rays are alternately emitted to the light gathering assembly and are emitted outwards through the light gathering assembly, and the irradiation brightness and the light ray uniformity of the detection light source are improved; meanwhile, the first light-emitting piece and the second light-emitting piece are controlled based on the linear sweep flashing function, so that the contrast of the characteristic defects of the detected material is improved, and the defects of the detected material are more favorably detected.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate 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 drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A detection light source, comprising: the light-emitting component, be used for right the light-condensing component that light-condensing component gathers light and be used for installing the light-emitting component with the casing of light-condensing component, its characterized in that:

the light-gathering component is arranged on one side of the light-emitting component, which is used for emitting light, and the light-emitting component comprises a lamp holder, a plurality of first light-emitting pieces and a plurality of second light-emitting pieces, wherein the lamp holder is arranged in the shell and far away from the light-gathering component, and the first light-emitting pieces and the second light-emitting pieces are arranged on the lamp holder and are used for emitting light;

2. A detection light source according to claim 1, wherein: a first mounting surface and a second mounting surface are arranged on one side, facing the light condensation assembly, of the lamp holder, and the lamp holder is mounted in the shell along the horizontal direction;

the first light-emitting part comprises a first lamp panel obliquely arranged on the first mounting surface and first lamp beads arranged on the first lamp panel, and the second light-emitting part comprises a second lamp panel obliquely arranged on the second mounting surface and second lamp beads arranged on the second lamp panel;

3. A detection light source according to claim 2, characterized in that: the lamp holder further comprises a base plate;

the included angle between the first mounting surface and the horizontal plane of the substrate and the included angle between the second mounting surface and the horizontal plane of the substrate are all set between 30 degrees and 70 degrees.

4. A detection light source according to claim 2, characterized in that: each first mounting surface and the adjacent second mounting surface facing the first mounting surface form a first interval, each first mounting surface and the adjacent second mounting surface facing away from the first mounting surface form a second interval, and the distance of the first interval is larger than that of the second interval.

5. A detection light source according to claim 2, characterized in that: the light condensing assembly comprises a light condensing rod, a light transmitting plate and a diffusion film, wherein the light condensing rod is arranged close to the lamp holder, the light transmitting plate is arranged on the other side of the light condensing rod away from the lamp holder, and the diffusion film is attached to the light transmitting plate and faces one side of the lamp holder; the light condensing rod and the light transmitting plate are arranged in a gap.

6. A detection light source according to claim 5, wherein: the light-gathering rod is arranged into a cylinder, the length of the light-gathering rod is larger than that of the lamp holder, and the diameter of the light-gathering rod is larger than the width of the lamp holder.

7. A detection light source according to claim 5, wherein: the central axial surfaces of the light focusing rod, the plurality of first lamp beads and the plurality of second lamp beads are coplanar.

8. A detection light source according to claim 5, wherein: the position of the first lamp bead on the first lamp panel is close to the light condensing rod; the second lamp beads are positioned on the second lamp panel and close to the light condensing rod.

9. A detection light source according to claim 1, wherein: the detection light source comprises a heat dissipation base which is abutted with the lamp holder and a fan assembly which is arranged on the outer side of the heat dissipation base away from the lamp holder, and the lamp holder is fixed on the heat dissipation base; the fan assembly comprises an exhaust fan, an exhaust fan and a plurality of fixing seats for fixing the exhaust fan and the exhaust fan.

10. A detection light source according to claim 9, wherein: the exhaust fans and the exhaust fans are arranged into at least two groups, and the at least two groups of exhaust fans and the exhaust fans are alternately arranged on the heat dissipation base.