CN202561575U - Optical detection equipment and light-emitting diode (LED) light source device thereof - Google Patents
Optical detection equipment and light-emitting diode (LED) light source device thereof Download PDFInfo
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- CN202561575U CN202561575U CN201220096084XU CN201220096084U CN202561575U CN 202561575 U CN202561575 U CN 202561575U CN 201220096084X U CN201220096084X U CN 201220096084XU CN 201220096084 U CN201220096084 U CN 201220096084U CN 202561575 U CN202561575 U CN 202561575U
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- led light
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Abstract
The utility model discloses optical detection equipment and a light-emitting diode (LED) light source device thereof. The LED light source device comprises an outer cover and an LED light source installed on the inner wall of the outer cover, and a light passing hole is arranged on the top of the outer cover. The LED light source is monochromatic light source, and the emitting color is purple light or ultraviolet light. The LED light source comprises at least two layers of annular light source, the two layers of annular light source are sequentially arranged from bottom to top, and incidence angle of each annular light source is bigger than that of an annular light source located on and adjacent to the each annular light source, and is smaller than that of an annular light source located under and adjacent to the each annular light source. A split body type structure capable of being disassembled and assembled is adopted by the outer cover. According to the LED light source device, the detection accuracy and the detection efficiency are improved, and the LED light source device has the advantages of being compact in structure and convenient to disassemble assemble and maintain. According to the optical detection equipment applied to the LED light source device, the automation of product detection can be achieved.
Description
Technical field
The utility model relates to the AOI field, and promptly the optical detection apparatus field relates in particular to a kind of led light source device.
Background technology
When the sprayed coating to pcb board or associated electronic components product surface detects; Owing in sprayed on material, added the material of fluorescent material and so on, through the purple light light source irradiation, the fluorescent material in the pcb board sprayed coating can display; Become highlight color to show; And the pcb board surface that does not have sprayed on material keeps original color, goes out on the pcb board with regard to distinguishable whether the position that is not sprayed is arranged like this, does not meet the product of quality requirement with eliminating.Existing detection light source device mainly relies on blue-black glass lamp light source; Installed and effect on structure by blue-black glass lamp light source, blue-black glass lamp light source is not suitable for fast moving, is inappropriate under motion state and detects; Be not easy to the AOI camera imaging, therefore be not suitable in the AOI machine, using; And sprayed coating effect blue, black, red, that white light can accurately not reflect product surface, and be unfavorable for the camera shooting, and be prone to produce erroneous judgement, can not realize self-defined position probing to the product sprayed coating, had a strong impact on the automation of production line.In addition, existing its outer cover of detection light source device adopts all-in-one-piece structure, is not easy to installation and maintenance.
The utility model content
The utility model embodiment technical problem to be solved is: a kind of led light source device is provided, to improve the detection accuracy and the detection efficiency of product, the automation of being convenient to detect.
The utility model embodiment the technical problem that will further solve be: a kind of led light source device is provided, and its compact conformation is convenient to dismounting and maintenance.
The utility model embodiment the technical problem that will further solve be: a kind of optical detection apparatus is provided, so that realize the automation that product detects.
In order to solve the problems of the technologies described above; The utility model embodiment provides a kind of led light source device that is used on the optical detection apparatus; Comprise that the top is provided with the outer cover of light hole, is installed on the led light source on the outer cover inwall; Said led light source is the monochromatic light light source; Its glow color is purple light or ultraviolet light, and said led light source comprises the two-layer at least annular light source of arranging in order from bottom to top, and the incidence angle of each annular light source is greater than the incidence angle of the adjacent annular light source that is positioned at the top and less than the incidence angle of the adjacent annular light source that is positioned at the below.
Further; Said annular light source comprises a plurality of LED lamps and makes said a plurality of LED lamp be distributed in the lamp plate with predetermined slant on its inwall ringwise; The glow color of LED lamp is purple light or ultraviolet light; The light emission direction of each LED lamp all is intersected on the axial line of lamp plate towards the below of outer cover and the center line of each LED lamp, and said lamp plate is installed on the inwall of said outer cover.
Further; Said led light source is provided with shellring shape light source, and accordingly, lamp plate, middle lamp plate reached and go up three of lamp plates under said lamp plate was divided into; Following lamp plate, middle lamp plate reach the tapering of going up lamp plate and increase successively, and said shellring shape light source correspondence is located at said lamp plate down, middle lamp plate and is gone up on the lamp plate.
Further, said outer cover adopts split-type structural, and it comprises lower casing, mesochite and the upper casing of the hollow that has the identical central line and connect successively from bottom to top, said lamp plate down, middle lamp plate and go up the lamp plate correspondence and be located in said lower casing, mesochite and the upper casing; Said light hole is located on the upper casing.
Further, the monnolithic case of said outer cover such as turriform.
Further, the corresponding installation position that is used for installing said following lamp plate, lamp plate and last lamp plate that is provided with on the inwall of said lower casing, mesochite and upper casing.
Further, said led light source is provided with two-layer annular light source, and accordingly, said lamp plate is divided into down lamp plate and goes up two of lamp plates, and the tapering of following lamp plate is less than the tapering of last lamp plate, and said two-layer annular light source correspondence is located at said lamp plate down and is gone up on the lamp plate.
Further, said outer cover adopts split-type structural, and it comprises cover body, lower cover and loam cake, and said lower cover is positioned at said cover body bottom and is connected removably with cover body, and said loam cake is positioned at said cover body top and is connected removably with cover body.
In order further to solve the problems of the technologies described above; The utility model embodiment also provides a kind of optical detection apparatus; It is used to detect work to be checked, adopts aforesaid led light source device, and said optical detection apparatus also includes AOI camera and the computer that is used for image recognition and comparative analysis; Workpiece to be checked, led light source device, AOI camera are located on the optical detection apparatus at a distance of preset distance from lower to upper successively, said AOI camera be located at said led light source device outer cover directly over.
The beneficial effect of the utility model embodiment is: the led light source device of the utility model; It adopts photochromic monochromatic source for purple light or ultraviolet light; Utilize two-layer at least annular light source to carry out the comprehensive product irradiation of multi-angle surface, under the irradiation of purple light or ultraviolet light, apparent fluorescent effect can occur, human eye and AOI camera all can clearly be observed; Be convenient for people to judge quickly and accurately product surface quality, improved the accuracy and the efficient that detect.
Simultaneously, because outer cover adopts split-type structural, its compact conformation is convenient to installing/dismounting and maintenance.
In addition; This led light source device can be applicable to the irradiating and detecting environment of fast moving, and it can be applicable on the optical detection apparatus, under the cooperation of AOI camera; Can realize inspection of AOI image comparison and self-defined detection, be convenient to the automation that optical detection apparatus is realized detection.
Description of drawings
Fig. 1 is the stereogram of the utility model first embodiment.
Fig. 2 is the explosive view of the utility model first embodiment.
Fig. 3 is the cutaway view of the utility model first embodiment.
Fig. 4 is the operation principle sketch map of the utility model first embodiment.
Fig. 5 is the stereogram of the utility model second embodiment.
Fig. 6 is the explosive view of the utility model second embodiment.
Fig. 7 is the cutaway view of the utility model second embodiment.
Fig. 8 is the operation principle sketch map of the utility model second embodiment.
The specific embodiment
Extremely shown in Figure 4 like Fig. 1; The utility model first embodiment provides a kind of led light source device; It comprises outer cover 1, by the led light source 4 that lamp plate 2 and LED lamp 3 are formed, led light source 4 is provided with to shellring shape light source, so-called annular light source is meant the illuminating source that is surrounded a luminous shape such as annular by several LED lamps 3; In the present embodiment, this led light source 4 is provided with shellring shape light source.
Said outer cover 1 is used for installing and supports said lamp plate 2 and led light source 4, and it is the hollow housing structure.In the present embodiment; Said outer cover 1 comprises lower casing 11, mesochite 12 and the upper casing 13 of the hollow that has the identical central line and connect successively from bottom to top; Said lower casing 11 also comprises sleeve 111 and gripper shoe 112, and this gripper shoe 112 places sleeve 111 upper ends and is fixedly connected with sleeve 111; Said outer cover 1 also is provided with the light hole 14 that is used for reflection ray, and the top that it is located at outer cover 1 is positioned on the said upper casing 13; Said outer cover 1 also is provided with the installation position 15 on outer cover 1 inwall that is positioned at that is used to install said lamp plate 2, and in the present embodiment, this installation position 15 is a positioning step, is equipped with installation position 15 on the inwall of said lower casing 11, mesochite 12 and upper casing 13; In the present embodiment; Said outer cover 1 monnolithic case is turriform; Its diminishing step-like housing that makes progress of serving as reasons down; Said lower casing 11, mesochite 12 and upper casing 13 all are the diminishing cylindrical cover body structure of radial width, and certainly, said lower casing 11, mesochite 12 and upper casing 13 also can be positive multi-edge column-shaped cover body structure.
Said lamp plate 2 is used to install LED lamp 3; It has predetermined gradient; Guaranteeing having predetermined incident angle after LED lamp 3 is mounted thereon, lamp plate 2 is corresponding with said lower casing 11, mesochite 12 and upper casing 13, and it comprises time lamp plate 21, middle lamp plate 22 and last lamp plate 23; Following lamp plate 21, middle lamp plate 22 and last lamp plate 23; Correspondence is installed on the inwall of said lower casing 11, mesochite 12 and upper casing 13, lamp plate 21, middle lamp plate 22 and last lamp plate 23 threes' axial line is overlapped, and also overlap with lower casing 11, mesochite 12 and upper casing 13 threes' center line; Said down lamp plate 21, middle lamp plate 22 and last lamp plate 23 be cylinder with predetermined tapering; The tapering of following lamp plate 21, middle lamp plate 22 and last lamp plate 23 increases successively; All be evenly equipped with a plurality of LED lamps 3 on the inwall of following lamp plate 21, middle lamp plate 22 and last lamp plate 23; Make that it is an annular light source, the incidence angle of each annular light source is greater than the incidence angle of the adjacent annular light source that is positioned at the top and less than the incidence angle of the adjacent annular light source that is positioned at the below.
Said led light source 4 is the monochromatic light light source, because the photochromic of LED lamp 3 be purple light or ultraviolet light, so the photochromic of led light source 4 be purple light or ultraviolet light, and a plurality of LED lamps 3 are distributed on the inwall of said lamp plate 2 ringwise.
As shown in Figure 4; The principle schematic of the led light source device of the utility model embodiment; The comprehensive surface that is radiated at workpiece 5 to be checked with multi-angle of light of led light source 4 emissions, according to this characteristic of fluorescent effect, light reflection back is carried out to picture in the light hole 14 entering AOI cameras 6 of outer cover 1; Transmit data by AOI camera 6 again and analyse and compare for AOI software, whether have quality problems so that judge the surface of workpiece 5 to be checked quickly and accurately.
To shown in Figure 8, the utility model second embodiment provides another kind of led light source device like Fig. 5, and it comprises outer cover 1 ', by the led light source 4 ' that lamp plate 2 ' and LED lamp 3 are formed, and this led light source 4 ' is provided with two-layer annular light source.
Said outer cover 1 ' is used for installation and supports said lamp plate 2 ' and led light source 4 '; It is the hollow housing structure; It comprises cover body 11 ', lower cover 12 ' and loam cake 13 '; Said lower cover 12 ' is positioned at said cover body 11 ' bottom and is connected removably with cover body 11 ', and said loam cake 13 ' is positioned at said cover body 11 ' top and is connected removably with cover body 11 '.In the present embodiment, outer cover 1 ' is divided into lower floor and upper strata, like double-deck pyramidal structure, also is provided with the light hole 14 ' that is used for reflection ray on the said outer cover 1 ', and the top that it is located at outer cover 1 ' is positioned on the said loam cake 13 '; Said outer cover 1 ' also is provided with the installation position 15 ' on the outer cover 1 ' inwall that is positioned at that is used to install said lamp plate 2 '.
Said lamp plate 2 ' is used to install LED lamp 3, and the lamp plate 2 ' of itself and first embodiment is similar, and different is, it is made up of with last lamp plate 22 ' lamp plate 21 ' down, so that be complementary with the double-deck pyramidal structure of said outer cover 1 '.Identical with the lamp plate 2 of first embodiment; The tapering of following lamp plate 21 ' is less than last lamp plate 22 '; All be evenly equipped with a plurality of LED lamps 3 on the inwall of following lamp plate 21 ' and last lamp plate 22 '; Make that it is an annular light source, following lamp plate 21 ' is divided in the lower floor and upper strata of said outer cover 1 ' with last lamp plate 22 ', and the incidence angle of the LED lamp 3 on the following lamp plate 21 ' is greater than the incidence angle of the LED lamp 3 on the last lamp plate 22 '.
Said led light source 4 ' also is the monochromatic light light source, because the photochromic of LED lamp 3 be purple light or ultraviolet light, so the photochromic of led light source 4 ' be purple light or ultraviolet light, and a plurality of LED lamps 3 are distributed on the inwall of said lamp plate 2 ' ringwise.
As shown in Figure 8; The principle schematic of the led light source device of the utility model second embodiment; The comprehensive surface that is radiated at workpiece 5 to be checked with multi-angle of light of led light source 4 ' emission, according to this characteristic of fluorescent effect, light reflection back is carried out to picture in light hole 14 ' the entering AOI camera 6 of outer cover 1 '; Transmit data by AOI camera 6 again and analyse and compare for AOI software, whether have quality problems so that judge the surface of workpiece 5 to be checked quickly and accurately.
To sum up, the led light source device that the utility model adopted, led light source can comprehensively shine for two-layer at least annular light source, eliminates lighting dead angle; Utilize purple light or ultraviolet leds light source irradiation product surface to be checked,, under the irradiation of purple light or ultraviolet light, apparent fluorescent effect can occur because product surface spray coating to be checked has fluorescent material; Human eye and AOI camera all can be observed; The product surface not position of spray figure fluorescent material does not then have fluorescent effect, keeps color originally, utilizes this characteristic; Be convenient to fast detecting and the coating quality of accurately judging product surface, improved the accuracy and the operating efficiency that detect; In addition, its outer cover adopts removable split-type structural, and its compact conformation is convenient to installing/dismounting and maintenance; The led light source device also can be applicable to the irradiating and detecting environment of fast moving, and it is convenient to the AOI camera imaging.
In addition; The utility model embodiment also provides a kind of optical detection apparatus; It uses described led light source device; It also comprises AOI camera 6 and the computer (not shown) that has AOI software that is used for the image of gathering is compared and discerns, and this led light source device is located on the AOI equipment, can prevent that the people from directly contacting ultraviolet radiation; To realize accurate location, utilize the AOI software analysis and the self-defined detection of computer through the AOI camera imaging, this optical detection apparatus can realize that the automation of product detects.
The above is the specific embodiment of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection domain of the utility model.
Claims (9)
1. led light source device that is used on the optical detection apparatus; Comprise that the top is provided with the outer cover of light hole, is installed on the led light source on the outer cover inwall; It is characterized in that said led light source is the monochromatic light light source, its glow color is purple light or ultraviolet light; Said led light source comprises the two-layer at least annular light source of arranging in order from bottom to top, and the incidence angle of each annular light source is greater than the incidence angle of the adjacent annular light source that is positioned at the top and less than the incidence angle of the adjacent annular light source that is positioned at the below.
2. led light source device as claimed in claim 1; It is characterized in that; Said annular light source comprises a plurality of LED lamps and makes said a plurality of LED lamp be distributed in the lamp plate with predetermined slant on its inwall ringwise; The glow color of LED lamp is purple light or ultraviolet light, and the light emission direction of each LED lamp all is intersected on the axial line of lamp plate towards the below of outer cover and the center line of each LED lamp, and said lamp plate is installed on the inwall of said outer cover.
3. led light source device as claimed in claim 2; It is characterized in that; Said led light source is provided with shellring shape light source, and accordingly, lamp plate, middle lamp plate reached and go up three of lamp plates under said lamp plate was divided into; Following lamp plate, middle lamp plate reach the tapering of going up lamp plate and increase successively, and said shellring shape light source correspondence is located at said lamp plate down, middle lamp plate and is gone up on the lamp plate.
4. led light source device as claimed in claim 3; It is characterized in that; Said outer cover adopts split-type structural; It comprises lower casing, mesochite and the upper casing of the hollow that has the identical central line and connect successively from bottom to top, and said following lamp plate, middle lamp plate and last lamp plate correspondence are located in said lower casing, mesochite and the upper casing; Said light hole is located on the upper casing.
5. led light source device as claimed in claim 4 is characterized in that, the monnolithic case of said outer cover such as turriform.
6. led light source device as claimed in claim 4 is characterized in that, the corresponding installation position that is used for installing said following lamp plate, lamp plate and last lamp plate that is provided with on the inwall of said lower casing, mesochite and upper casing.
7. led light source device as claimed in claim 2; It is characterized in that; Said led light source is provided with two-layer annular light source, and accordingly, lamp plate reached and goes up two of lamp plates under said lamp plate was divided into; The tapering of following lamp plate is less than the tapering of last lamp plate, and said two-layer annular light source correspondence is located at said lamp plate down and is gone up on the lamp plate.
8. led light source device as claimed in claim 7; It is characterized in that; Said outer cover adopts split-type structural; It comprises cover body, lower cover and loam cake, and said lower cover is positioned at said cover body bottom and is connected removably with cover body, and said loam cake is positioned at said cover body top and is connected removably with cover body.
9. optical detection apparatus; Be used to detect work to be checked; Adopt like each described led light source device of claim 1 to 8, it is characterized in that, said optical detection apparatus also includes AOI camera and the computer that is used for image recognition and comparative analysis; Workpiece to be checked, led light source device, AOI camera are located on the optical detection apparatus at a distance of preset distance from lower to upper successively, said AOI camera be located at said led light source device outer cover directly over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220096084XU CN202561575U (en) | 2012-03-14 | 2012-03-14 | Optical detection equipment and light-emitting diode (LED) light source device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220096084XU CN202561575U (en) | 2012-03-14 | 2012-03-14 | Optical detection equipment and light-emitting diode (LED) light source device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202561575U true CN202561575U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220096084XU Expired - Lifetime CN202561575U (en) | 2012-03-14 | 2012-03-14 | Optical detection equipment and light-emitting diode (LED) light source device thereof |
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| CN (1) | CN202561575U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103281825A (en) * | 2013-05-21 | 2013-09-04 | 惠州市威莱斯电子科技有限公司 | AOI (Automated Optical Inspection) digital LED (Light-Emitting Diode) light source controller and control method thereof |
| CN103648262A (en) * | 2013-12-25 | 2014-03-19 | 哈尔滨工业大学 | Compound chip mounter based surface-mounted chip recognition system |
| CN104502350A (en) * | 2014-12-16 | 2015-04-08 | 公安部交通管理科学研究所 | Authentication device and identification method of motor vehicle license plate sequence tags |
| TWI482962B (en) * | 2013-08-30 | 2015-05-01 | ||
| CN105627939A (en) * | 2015-12-17 | 2016-06-01 | 广东正业科技股份有限公司 | Device, method and system for detecting micro gap based on industrial equipment |
-
2012
- 2012-03-14 CN CN201220096084XU patent/CN202561575U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103281825A (en) * | 2013-05-21 | 2013-09-04 | 惠州市威莱斯电子科技有限公司 | AOI (Automated Optical Inspection) digital LED (Light-Emitting Diode) light source controller and control method thereof |
| CN103281825B (en) * | 2013-05-21 | 2015-04-22 | 惠州市威莱斯电子科技有限公司 | AOI (Automated Optical Inspection) digital LED (Light-Emitting Diode) light source controller and control method thereof |
| TWI482962B (en) * | 2013-08-30 | 2015-05-01 | ||
| CN103648262A (en) * | 2013-12-25 | 2014-03-19 | 哈尔滨工业大学 | Compound chip mounter based surface-mounted chip recognition system |
| CN104502350A (en) * | 2014-12-16 | 2015-04-08 | 公安部交通管理科学研究所 | Authentication device and identification method of motor vehicle license plate sequence tags |
| CN104502350B (en) * | 2014-12-16 | 2017-01-25 | 公安部交通管理科学研究所 | Authentication device and identification method of motor vehicle license plate sequence tags |
| CN105627939A (en) * | 2015-12-17 | 2016-06-01 | 广东正业科技股份有限公司 | Device, method and system for detecting micro gap based on industrial equipment |
| CN105627939B (en) * | 2015-12-17 | 2019-01-25 | 广东正业科技股份有限公司 | A kind of minim gap detection device, method and system based on industrial equipment |
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Granted publication date: 20121128 |