CN210179417U - Compact linear light source device - Google Patents
Compact linear light source device Download PDFInfo
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- CN210179417U CN210179417U CN201921311437.1U CN201921311437U CN210179417U CN 210179417 U CN210179417 U CN 210179417U CN 201921311437 U CN201921311437 U CN 201921311437U CN 210179417 U CN210179417 U CN 210179417U
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The utility model belongs to the technical field of machine vision equipment, concretely relates to linear light source device of compact, including radiating seat and snoot, the light-emitting component of slope is installed to the bottom of radiating seat, the snoot cover is located light-emitting component, the bottom of radiating seat is provided with the stop part, the stop part is used for the adjustment light-emitting component's luminous direction. The utility model moves the light emitting surface of the light source to one side, thereby improving the linear effect of the light source; in addition, the light-emitting component is installed in an inclined mode, the side plates are designed to be thin-walled, the light source can meet high-angle irradiation detection and low-angle irradiation detection, the size of the light source is effectively reduced, and the problems that the traditional light source is large in size, poor in linear effect and the like are solved.
Description
Technical Field
The utility model belongs to the technical field of machine vision equipment, concretely relates to compact linear light source device.
Background
Machine vision uses a machine to replace human eyes for measurement and judgment, and a light source is an important factor influencing a machine vision system and directly determines the quality and application effect of image data. Commonly used light sources include incandescent, fluorescent, mercury, sodium, and LED lamps. In order to meet the detection requirements, the light source is in the shape of a linear light source, a surface light source, a spherical integral light source, a ring light source and the like. Among them, the linear light source is usually used in high-precision visual inspection in cooperation with the line camera.
However, the applicant found that: 1) the traditional linear light source has poor linear effect and low brightness, and cannot meet the detection requirement; 2) the traditional linear light source is large in size, when the light source needs high-angle irradiation or low-angle irradiation, the light source often blocks the view of a camera when the light source is irradiated at a high angle due to the large size of the light source, or the light source is collided with a workpiece when the light source is irradiated at a low angle, so that the situation that detection cannot be performed occurs. Therefore, improvement of the conventional light source device is particularly urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the defects of the prior art, the compact linear light source device is provided, the linear focusing of a light source is realized, the light emitting surface of the light source is effectively moved to one side, the linear effect of the light source is improved, the light emitting component is obliquely installed, the side plate adopts a thin-wall design, the light source can meet the requirements of high-angle irradiation detection and low-angle irradiation detection, the size of the light source is effectively reduced, and the problems that the installation and detection are influenced due to the large size, the poor linear effect and the like of the traditional light source at present are solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a compact linear light source device, includes radiating seat and spotlight portion, the light emitting component of slope is installed to the bottom of radiating seat, spotlight portion cover is located light emitting component, the bottom of radiating seat is provided with the stop part, the stop part is used for adjusting light emitting component's luminous direction makes light emitting component's light is from one side outgoing of light source device.
Further, the stop part includes the arc, the arc is provided with the mounting groove, the spotlight portion install in the mounting groove.
Further, the light-condensing portion is at least one of a plano-convex cylindrical lens and a cylindrical lens for linearly focusing light.
Further, the heat dissipation seat comprises a first mounting plate and a second mounting plate inclined relative to the first mounting plate, the light emitting assembly is mounted at the bottom of the second mounting plate, and the blocking portion is connected to the second mounting plate.
Further, the first mounting plate forms an acute angle α with the second mounting plate, 45 ° ≦ α <90 °.
Further, the second mounting panel is provided with the fin of interval arrangement, and adjacent two distance between the fin is 10~30mm, install the fan on the fin.
Furthermore, the light-emitting component comprises a circuit board and a plurality of LED lamps, the LED lamps are linearly and uniformly distributed on the circuit board, the circuit board is used for driving the LED lamps to emit light, and the LED lamps are surface-mounted LEDs or straw hat LEDs.
Further, the distance between two adjacent LED lamps is 5-20 mm.
Further, the light source device still includes curb plate, first backup pad and second backup pad, first backup pad with the second backup pad is fixed respectively the both ends of spotlight portion, the curb plate the first backup pad the radiating seat reaches the second backup pad forms a frame construction.
Further, the thickness of the side plate is 0.5-5 mm, and the side plate is provided with a fixing groove for fixing the light-gathering part.
The beneficial effects of the utility model reside in that: the utility model discloses a light-emitting component of slope is installed to the bottom of radiating seat and snoot, radiating seat, and the light-emitting component is located to the snoot cover, and the bottom of radiating seat is provided with the stop part, and the stop part is used for adjusting light-emitting component's luminous direction. The light-condensing part realizes the linear focusing of the light source, the light-emitting component is obliquely installed, and the blocking part blocks the light emitted by the light-emitting component to one side in the direction of the heat radiating seat, so that the light-emitting direction of the light-emitting component is adjusted, the light-emitting surface of the light source is effectively moved to one side, and the linear effect of the light source is obviously improved; and the light-emitting component is installed in an inclined mode, light rays of the LED lamp are emitted from one side of the light source device, the side plate is designed to be thin-walled, the light source can meet high-angle irradiation detection and low-angle irradiation detection, the compactness among all components is high, the size of the light source is effectively reduced, and therefore the problem that the installation and detection are affected due to the fact that the traditional light source is large in size, poor in linear effect and the like is solved.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a structural diagram of the obliquely installed light emitting module of the present invention.
Fig. 4 is the operation diagram of the high angle irradiation detection of the present invention.
Fig. 5 is an operation diagram of the low-angle irradiation detection of the present invention.
Wherein: 1-a heat sink; 11-a first mounting plate; 12-a second mounting plate; 2-a light-gathering part; 3-a light emitting component; 31-a circuit board; 32-LED lamps; 4-a barrier; 41-mounting groove; 5-a heat sink; 6-a fan; 7-side plate; 71-a fixed groove; 8-a first support plate; 9-a second support plate; 10-camera.
Detailed Description
As used in this specification and the appended claims, certain terms are used to refer to particular components, and it will be appreciated by those skilled in the art that a manufacturer may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, detachable connections, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in further detail with reference to the following drawings and specific examples, which should not be construed as limiting the present invention.
As shown in fig. 1 to 3, a compact linear light source device includes a heat sink 1 and a light-gathering portion 2, an inclined light-emitting component 3 is installed at the bottom of the heat sink 1, an included angle between the light-emitting component 3 and a horizontal plane is a, 0< a is not more than 45 °, the light-gathering portion 2 covers the light-emitting component 3, linear focusing of a light source is achieved, a blocking portion 4 is arranged at the bottom of the heat sink 1, and the blocking portion 4 is used for adjusting a light-emitting direction of the light-emitting component 3.
Through installing light emitting component 3 slope, barrier portion 4 has blocked one side light of light emitting component 3 to the emergent of radiating seat 1 direction, the appearance that leads to the light source has asymmetry, make the light source no longer be the structure of bilateral symmetry light-emitting, thereby light emitting component 3's luminous direction has been adjusted, can move the play plain noodles of light source to one side effectively, the linear effect of light source has been improved remarkably, the high angle and the low angle that have satisfied the light source shine and detect, can dismantle between radiating seat 1 and the barrier portion 4, also can integrated into one piece.
Preferably, the barrier portion 4 includes the arc, and the left and right sides of arc is the quarter circular arc, and the arc is provided with mounting groove 41, and the spotlight portion 2 is installed in mounting groove 41.
The arc-shaped plate changes the appearance structure of the traditional light source, the size of the light source device is greatly reduced, the light-gathering part 2 can be effectively fixed by the mounting groove 41, the mounting space of the light source device is greatly saved, and the compactness among all components in the light source is improved.
Preferably, the light-condensing portion 2 is a cylindrical lens for focusing light in a vertical direction of the LED lamp 32.
Preferably, heat sink 1 includes a first mounting plate 11 and a second mounting plate 12 inclined with respect to first mounting plate 11, light emitting element 3 is mounted on the bottom of second mounting plate 12, and blocking portion 4 is connected to second mounting plate 12.
A receiving groove can be formed between the blocking portion 4 and the second mounting plate 12, and the receiving groove can receive a portion of the circuit board 31 of the light emitting assembly 3, which does not include the LED lamp 32, so as to save the mounting space of the light source device.
Preferably, the acute angle α formed by the first mounting plate 11 and the second mounting plate 12 is 70 °, so that the included angle a between the obliquely mounted light-emitting assembly 3 and the horizontal plane is 20 °, and the light-emitting surface of the light-emitting assembly 3 is inclined to one side, which satisfies the high-angle and low-angle illumination detection of the light source.
Preferably, the second mounting plate 12 is provided with cooling fins 5 arranged at intervals, the distance between two adjacent cooling fins 5 is 15mm, and the cooling fins 5 are provided with fans 6, which is beneficial to heat dissipation of the light emitting component 3.
Preferably, the light emitting assembly 3 includes a circuit board 31 and a plurality of LED lamps 32, the plurality of LED lamps 32 are linearly and uniformly arranged on the circuit board 31, the circuit board 31 is a PCB, the LED lamps 32 employ high-power patch LEDs, and the PCB cooperates with a power supply for driving the patch LEDs to emit light.
Preferably, the distance between two adjacent LED lamps 32 is 5 mm.
Preferably, the light source device further includes a side plate 7, a first support plate 8 and a second support plate 9, the first support plate 8 and the second support plate 9 fix two ends of the light-gathering portion 2, respectively, and the side plate 7, the first support plate 8, the heat sink 1 and the second support plate 9 form a frame structure.
In order to ensure the packaging effect of the light source device, the bottom of the first supporting plate 8 and the bottom of the second supporting plate 9 can be provided with a light-transmitting plate, the light-transmitting plate is a transparent flat plate with strong light-transmitting property, and the light-transmitting plate, the first supporting plate 8, the second supporting plate 9, the blocking part 4, the heat dissipation seat 1 and the side plate 7 jointly form a shell of the light source device.
Preferably, the thickness of the side plate 7 is 0.5-1 mm, the side plate 7 can not block the visual field of the camera 10 in the visual detection process, and can not be abutted against a workpiece, and the side plate 7 is provided with a fixing groove 71 for fixing the light-gathering part 2, so that the light-gathering part 2 is further fixed.
As shown in fig. 4-5, the utility model discloses a light source spotlight is effectual, and luminance is high, and the light source slope shines, has satisfied the high angle and the low angle of light source and has shone the detection, and the thickness of curb plate 7 is little, has reduced the volume of light source effectively for when the light source carries out high angle and shines or the low angle shines, neither can lead to the light source shell to block the field of vision of camera 10, can not make light source and work piece conflict yet, has ensured testing process's stability and reliability.
Variations and modifications to the above-described embodiments may become apparent to those skilled in the art from the disclosure and teachings of the above description. Therefore, the present invention is not limited to the above-mentioned embodiments, and any obvious modifications, replacements or variations made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A compact linear light source device, characterized by: including radiating seat (1) and spotlight portion (2), the light emitting component (3) of slope are installed to the bottom of radiating seat (1), spotlight portion (2) cover is located light emitting component (3), the bottom of radiating seat (1) is provided with stop part (4), stop part (4) are used for adjusting the luminous direction of light emitting component (3).
2. The compact linear light source device of claim 1, wherein: the blocking portion (4) comprises an arc-shaped plate, the arc-shaped plate is provided with a mounting groove (41), and the light-gathering portion (2) is mounted in the mounting groove (41).
3. The compact linear light source device according to any one of claims 1 to 2, wherein: the light-gathering part (2) is at least one of a plano-convex cylindrical lens and a cylindrical lens.
4. The compact linear light source device of claim 1, wherein: the radiating seat (1) comprises a first mounting plate (11) and a second mounting plate (12) inclined relative to the first mounting plate (11), the light-emitting component (3) is mounted at the bottom of the second mounting plate (12), and the blocking portion (4) is connected to the second mounting plate (12).
5. The compact linear light source device of claim 4, characterized in that said first mounting plate (11) forms an acute angle α with said second mounting plate (12), 45 ° ≦ α <90 °.
6. The compact linear light source device of claim 4, wherein: the second mounting plate (12) is provided with radiating fins (5) which are arranged at intervals, and the radiating fins (5) are provided with fans (6).
7. The compact linear light source apparatus of claim 1 or 4, wherein: the light-emitting component (3) comprises a circuit board (31) and a plurality of LED lamps (32), and the LED lamps (32) are linearly and uniformly distributed on the circuit board (31).
8. The compact linear light source apparatus of claim 7, wherein: the distance between two adjacent LED lamps (32) is 5-20 mm.
9. The compact linear light source device of claim 1, wherein: the light source device further comprises a side plate (7), a first supporting plate (8) and a second supporting plate (9), the first supporting plate (8) and the second supporting plate (9) are fixed at two ends of the light-gathering portion (2) respectively, the side plate (7), the first supporting plate (8), the heat dissipation seat (1) and the second supporting plate (9) form a frame structure.
10. The compact linear light source device of claim 9, wherein: the thickness of curb plate (7) is 0.5~5mm, curb plate (7) are provided with and are used for fixing fixed slot (71) of spotlight portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311437.1U CN210179417U (en) | 2019-08-14 | 2019-08-14 | Compact linear light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311437.1U CN210179417U (en) | 2019-08-14 | 2019-08-14 | Compact linear light source device |
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| Publication Number | Publication Date |
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| CN210179417U true CN210179417U (en) | 2020-03-24 |
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| CN201921311437.1U Active CN210179417U (en) | 2019-08-14 | 2019-08-14 | Compact linear light source device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426694A (en) * | 2020-05-06 | 2020-07-17 | 深圳市卢瑟福科技有限公司 | Integration visual detection module to moving object |
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2019
- 2019-08-14 CN CN201921311437.1U patent/CN210179417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426694A (en) * | 2020-05-06 | 2020-07-17 | 深圳市卢瑟福科技有限公司 | Integration visual detection module to moving object |
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