CN210572007U - LED support defect image capturing device and detection equipment - Google Patents
LED support defect image capturing device and detection equipment Download PDFInfo
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- CN210572007U CN210572007U CN201921330361.7U CN201921330361U CN210572007U CN 210572007 U CN210572007 U CN 210572007U CN 201921330361 U CN201921330361 U CN 201921330361U CN 210572007 U CN210572007 U CN 210572007U
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Abstract
The utility model provides a LED support defect gets for instance device, include: a main support column; the cross beam is fixedly connected with the upper part of the main support column; the light source bracket is in cross sliding connection with the lower part of the main supporting column; the light source connecting piece is horizontally connected with the light source bracket in a sliding manner; the light source is rotationally connected with the light source connecting piece and used for supplementing light for the LED bracket; the camera bracket is in cross sliding connection with the cross beam; and the camera is rotatably connected with the camera support and is used for taking images of an area of the LED support on the preset bearing plane except for the area with specular reflection light. The utility model discloses LED support defect is got for instance the device and is got for instance through making the camera outside LED support specular reflection light scope, has highlighted the image of the part of moulding plastics, more is favorable to the defect detection to the part of moulding plastics.
Description
Technical Field
The utility model relates to a LED support defect detection technical field especially relates to a LED support defect gets for instance device and check out test set.
Background
The LED support is a base of the LED lamp bead before packaging, the chip is fixed on the LED support, the positive and negative electrodes are welded, and the LED support is packaged and formed by packaging glue at one time. The production process of the LED bracket mainly comprises the following steps: stamping, electroplating, injection molding, cutting and packaging. In the injection molding process, if some major defects are generated: if the particles are missing, the colloid is not filled enough, the colloid is crushed, and the like, the damage of the subsequent cutting die can be caused at a high probability. Meanwhile, if the defects of the injection mold cannot be found in time, the defective injection mold is adopted to continue injection molding production, and a large amount of products are inevitably scrapped. Therefore, after the injection molding is finished, the detection of the LED bracket is very important.
SUMMERY OF THE UTILITY MODEL
The utility model provides a LED support defect gets for instance device and check out test set can in time detect the result of moulding plastics, avoids the loss that the defect of moulding plastics arouses.
In a first aspect, the utility model provides a LED support defect gets for instance device, include:
a main support column;
the cross beam is fixedly connected with the upper part of the main support column;
the light source bracket is in cross sliding connection with the lower part of the main supporting column;
the light source connecting piece is horizontally connected with the light source bracket in a sliding manner;
the light source is rotationally connected with the light source connecting piece and used for supplementing light for the LED bracket;
the camera bracket is in cross sliding connection with the cross beam;
and the camera is rotatably connected with the camera support and is used for taking images of an area of the LED support on the preset bearing plane except for the area with specular reflection light.
Optionally, the light source includes two strip light sources, and the two strip light sources are in the same plane.
Optionally, a projection of an optical axis of a lens of the camera in a plane where the two strip light sources are located is a first axis; the two strip-shaped light sources are symmetrically arranged around the first axis.
Optionally, an included angle between the two strip-shaped light sources and the first axis is 20 ° to 40 °.
Optionally, an included angle between the optical axis of the camera and the upper surface of the LED holder is 30 ° to 50 °.
Optionally, the distance between the camera lens and the upper surface of the LED bracket is 460mm to 480 mm.
Optionally, the plane of the two strip-shaped light sources is arranged in parallel at a position 30 mm-50 mm above the plane of the upper surface of the LED bracket.
The utility model discloses LED support defect is got for instance the device and is passed through the slip and the rotation of light source, camera, makes the camera get for instance outside the specular reflection light scope of LED support, and the LED support does not mould plastics the light of the reflection of part in can not getting into the camera, and this part shows for black, and the part of moulding plastics can have partial light to get into in the camera because diffuse reflection's reason to can the outstanding part of moulding plastics in the image, be convenient for discern the defect of the part of moulding plastics.
In a second aspect, the utility model provides a LED support defect detecting equipment, include:
the defect image capturing device for the LED bracket as described in any one of the above;
the computer is in communication connection with a camera in the LED bracket defect image capturing device; the computer is used for receiving the image collected by the camera, identifying the defects through a preset algorithm and sending an alarm command;
and an alarm device in communication connection with the computer; the alarm device receives the alarm command and sends out an alarm action according to the alarm command.
Optionally, the alarm device includes one or more alarm modules of sound, light, vibration or pictures.
Optionally, the system further comprises a human-computer interaction module in communication connection with the computer, wherein the human-computer interaction module is used for displaying the detection result and inputting the control command.
The utility model discloses a LED support defect detection equipment adopts foretell LED support defect to get for instance the device gets for instance, should get for instance the image that the device acquireed can be more convenient discernment the defect of moulding plastics on the LED support. When the image acquired by the image acquisition device is transmitted to the computer, the computer identifies the defects in the image through the existing defect identification algorithm, the computer sends a command to the alarm device after identification, and the alarm device responds to the alarm command and sends an alarm action. The whole set of equipment can identify the defects of the LED support and send out an alarm command, so that the labor intensity of the defect detection work of the LED support can be reduced, and the efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an LED bracket defect image capturing device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a defect detecting apparatus for an LED bracket according to an embodiment of the present invention;
fig. 3 is a schematic diagram of positions of a camera, a light source and an LED bracket adjusted according to a method for detecting defects of an LED bracket according to an embodiment of the present invention;
fig. 4 is a top view of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The present embodiment provides an LED bracket defect image capturing device 1, as shown in fig. 1, including:
a main support column 11;
the cross beam 12 is fixedly connected with the upper part of the main supporting column 11;
the light source bracket 15 is in cross sliding connection with the lower part of the main support column 11; the light source bracket 15 is rotatably connected with a light source 16;
the main support post 11 and the light source bracket 15 are slidably connected in a cross manner as follows: the main support column 11 is provided with a long round hole, and the light source installation sliding block 154 is connected with the main support column 11 through a bolt; when the up-down position of the light source 16 needs to be adjusted, the bolts for fixing the light source mounting sliding block 154 and the main support column 11 are loosened, the light source mounting sliding block 154 slides along the long circular hole of the main support column 11, and the up-down position of the light source 16 is adjusted;
the light source bracket 15 comprises a longitudinal rod 153 and a transverse rod 152, the longitudinal rod 153 and the transverse rod 152 are connected to form a T shape, the longitudinal rod 153 of the light source bracket 15 is also provided with a long circular hole, and a bolt is used for connecting the light source bracket 15 with the main support column 11 through the long circular hole on the longitudinal rod 153; when the horizontal position of the light source 16 needs to be adjusted, the bolt for fixing the light source bracket 15 and the light source mounting slider 154 is loosened, and the light source bracket 15 is slid to adjust the horizontal position.
The two light source connecting pieces 151 are respectively connected to two ends of a transverse rod 152 of the light source bracket 15 through bolts, and holes for penetrating the bolts on the transverse rod 152 of the light source bracket 15 are long round holes; one of the light source connecting pieces 151 is rotatably connected with a bar-shaped light source 161, and the other light source connecting piece 151 is rotatably connected with a bar-shaped light source 162; the plane of rotation of the two bar light sources 161 and 162 is parallel to the plane of the light source holder 15.
Therefore, when the position of the light source 16 needs to be adjusted, the light source connector 151 can also be slid along the transverse rod 152 of the light source bracket 15, and when the angle of the light source 16 needs to be adjusted, the two bar- shaped light sources 161 and 162 can be rotated.
A camera bracket 132 which is connected with the beam 12 in a cross sliding manner; the camera support 132 is rotatably connected with the camera 14; the camera 14 is used for imaging the area of the LED support 6 on the preset supporting plane except for the area with specular reflection light.
The cross sliding connection of the camera bracket 132 and the beam 12 is as follows: the beam 12 is provided with a long round hole, a bolt passes through the long round hole to connect the camera bracket 132 with the beam 12, and when the bolt is loosened, the camera mounting slider 131 can slide along the beam 12; the camera bracket 132 is also provided with an oblong hole, a bolt passes through the oblong hole and then connects the camera bracket 132 with the camera mounting slider 131, and after the bolt is loosened, the camera bracket 132 can slide.
The camera bracket 132 is connected to a camera connector 133, and the camera 14 is rotatably connected to the camera connector 133.
With the above configuration, when the LED holder 6 is inspected, the camera holder 132 and the light source holder 15 are slid, and the camera 14 and the light source 16 are rotated so that the camera 14 takes an image outside the range of specular reflection light of the LED holder 6.
According to the LED support defect image capturing device 1, the camera 14 captures images outside the range of specular reflection light of the LED support 6 through sliding and rotating of the light source 16 and the camera 14, reflected light of a part, which is not subjected to injection molding, of the LED support 6 cannot enter the camera 14, the part is displayed in black, and due to diffuse reflection of an injection molding part, part of light can enter the camera 14, so that the injection molding part can be protruded in an image, and defects of the injection molding part can be recognized conveniently.
As an optional implementation manner of this embodiment, the cross fixing element may be connected with a linear sliding bearing in a matching manner, taking the connection manner of the camera support 132 and the cross beam 12 as an example, the linear sliding bearings are respectively installed in two openings of the cross fixing element, and the cross beam 12 and the camera support 132 are respectively connected with the two linear sliding bearings, so that the cross beam 12 and the camera can realize cross sliding, and then the cross beam 12 and the camera support 132 can be positioned by positioning elements such as positioning pins or bolts. Likewise, the light source holder 15 and the main support post can be connected in a cross sliding manner.
As an optional implementation manner of this embodiment, the cross sliding connection manner may also be implemented by using a slider to connect, taking the connection between the camera bracket 132 and the beam 12 as an example, the camera bracket 132 and the beam 12 are both provided with sliding grooves, two opposite sides of the slider are respectively provided with a sliding connection portion, the two sliding connection portions are vertically arranged, and the sliding groove of the camera bracket 132 and the sliding groove of the beam 12 are respectively connected with the two sliding connection portions, so that the camera bracket 132 and the beam 12 realize cross sliding, and are then positioned by positioning members such as keys, pins, or bolts.
As an alternative embodiment of the present embodiment, the light source 16 includes two bar light sources 161 and 162, and the two bar light sources 161 and 162 are in the same plane.
As an alternative embodiment of the present embodiment, a projection of the optical axis of the lens 141 of the camera 14 in a plane in which the two bar light sources 161 and 162 are located is a first axis, and the two bar light sources 161 and 162 are symmetrically arranged about the first axis.
As an alternative embodiment of this embodiment, the included angle between the bar- shaped light sources 161 and 162 and the first axis is 20 ° to 40 °. In the present embodiment, the angle between the bar light sources 161 and 162 and the first axis may be selected to be 20 °, 30 ° or 40 °.
Of course, the number of the strip light sources in the present embodiment may also adopt other numbers, such as 1, 3 or more.
As an optional implementation manner of this embodiment, the light source 16 in this embodiment may also be a point light source or a surface light source, and the number may also be adjusted according to requirements, for example, 1 surface light source or 2 surface light sources, or more surface light sources are used for light supplement. Alternatively, 1 or 2 point light sources or more point light sources may be used for supplementary lighting.
As an optional implementation manner of this embodiment, an included angle between an optical axis of the lens 141 of the camera 14 and the upper surface of the LED holder 6 is 30 ° to 50 °. In this embodiment, the angle between the optical axis and the upper surface of the LED holder 6 may be 30 °, 40 ° or 50 °.
As an optional implementation manner of this embodiment, the distance between the camera lens 141 and the upper surface of the LED support 6 is 460mm to 480 mm. In this embodiment, the distance between the camera lens 141 and the upper surface of the LED support 6 may be 460mm, 470mm or 480 mm.
As an optional implementation mode of the embodiment, the plane of the two strip-shaped light sources 161 and 162 is arranged in parallel at a position 30 mm-50 mm above the plane of the upper surface of the LED support 6. In this embodiment, the distance between the plane of the two strip light sources 161 and 162 and the upper surface of the LED support 6 may be 30mm, 40mm or 50 mm.
Example 2
The embodiment of the utility model provides a pair of LED support defect detecting equipment, as shown in FIG. 2, set up before 5 entrys of cutting equipment, include:
any one of the LED holder defect image capturing devices 1 in the embodiments of the above example 3;
the computer 2 is in communication connection with the camera 14 in the LED bracket defect image capturing device 1; the computer 2 is used for receiving the images collected by the camera 14, identifying defects through a preset algorithm and sending an alarm command;
and an alarm device 3 in communication connection with the computer 2; the alarm device 3 receives the alarm command and sends out an alarm action according to the alarm command.
According to the LED support defect detection equipment, the LED support defect image capturing device 1 is used for capturing images, and the injection molding defects on the LED support 6 can be identified more conveniently by the images acquired by the image capturing device 1. After the image acquired by the image capturing device 1 is transmitted to the computer 2, the computer 2 identifies the defects in the image through the existing defect identification algorithm, the computer 2 sends a command to the alarm device 3 after identification, and the alarm device 3 responds to the alarm command to send out an alarm action. The whole set of equipment can identify the defects of the LED support 6 and send out an alarm command, so that the labor intensity of the defect detection work of the LED support 6 can be reduced, and the efficiency is improved.
As an optional implementation manner of this embodiment, the alarm device 3 includes one or more alarm modules in sound, light, vibration or pictures.
As an optional implementation manner of this embodiment, the system further includes a human-computer interaction module 4 in communication connection with the computer 2, and the human-computer interaction module 4 is configured to display the detection result and input the control command.
Example 3
When adopting the LED support defect of above-mentioned embodiment 1 to get for instance device or embodiment 2's LED support defect check out test set, the embodiment of the utility model provides a detection method of LED support defect, include:
providing a camera 14 and a light source 16;
the positions and angles of the light source 16 and the camera 14 are adjusted so that the camera 14 can take images of the area of the LED support 6 on the preset supporting plane, wherein the area has specular reflection light removed.
The predetermined holding surface is a surface of a device or a component that holds the LED holder 6 during the inspection.
As shown in fig. 1 to 2, the adjusted camera 14 is obliquely above the LED support 6, and an included angle between an optical axis of the lens 141 of the camera 14 and the LED support 6 is an acute angle. Because a certain included angle is formed between the camera 14 and the LED support 6, the three-dimensional information of the white colloid of the injection molding part can be highlighted, and the subsequent defect identification is facilitated.
The light source 16 in this embodiment includes two bar light sources 161 and 162, and after adjustment is completed, the axes of the two bar light sources 161 and 162 are at symmetrical positions in the same plane, and the plane where the two bar light sources 161 and 162 are located is parallel to the LED support 6, so that the uniformity of illumination on the upper surface of the LED support 6 can be improved. In order to ensure that the LED support 6 is sufficiently illuminated. Taking the projection of the optical axis of the lens 141 of the camera 14 in the plane of the two bar light sources 161 and 162 as a first axis, the two bar light sources 161 and 162 are adjusted to be symmetrical about the first axis. When the light source angle is adjusted, the included angle between the two bar light sources 161 and 162 and the first axis is an acute angle.
After the adjustment is completed, the camera 14 starts to capture images, and in order to quickly identify defects, the acquired images can be sent to a computer, and the computer acquires the images captured by the camera 14 and identifies the images by using a predetermined algorithm; when the LED bracket 6 is found to be defective, the computer controls the alarm device 3 to alarm.
In the method for detecting the defects of the LED support, the reflection of the light by the part, which is not molded by injection, on the LED support 6 is mirror reflection; the injection molding part, namely the plastic body with the white detection target, reflects light in a diffuse way. In order to detect whether the injection molding part has defects such as particle lack, insufficient filling or colloid crush. The LED support 6 is supplemented with light by adopting the light source 16, and the camera 14 captures images outside the range of specular reflection light of the LED support 6, so that the part which is not subjected to injection molding cannot reflect the light into the camera 14, and the part is black in a shot image; the injection molded part reflects part of the light into the camera 14 by means of diffuse reflection, so that the light is displayed in the photographed image. Thus, the injection molding part can be more prominent in the image, and whether defects exist or not can be more easily identified.
As an optional implementation manner of this embodiment, the optical axis of the lens 141 of the camera 14 may be selectively adjusted to have an angle of 30 ° to 50 ° with the upper surface of the LED holder 6. In this embodiment, the angle between the optical axis and the upper surface of the LED holder 6 may be 30 °, 40 ° or 50 °.
As an optional implementation mode of the embodiment, the plane where the two strip-shaped light sources 161 and 162 are located is adjusted to be 30 mm-50 mm above the LED support 6. In the present embodiment, the distance between the two bar light sources 161 and 162 above the upper surface of the LED support 6 may be 30mm, 40mm or 50 mm.
As an optional implementation manner of this embodiment, the included angle between the two strip-shaped light sources 161 and 162 and the first axis is adjusted to be 20 ° to 40 °. In this embodiment, the angle between the two bar light sources 161 and 162 and the first axis may be 20 °, 30 °, or 40 °.
As an optional implementation manner of this embodiment, the distance between the camera lens 141 and the upper surface of the LED support 6 is adjusted to 460mm to 480 mm. In this embodiment, the distance between the camera lens 141 and the upper surface of the LED support 6 may be 460mm, 470mm or 480 mm.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a LED support defect is got for instance device which characterized in that: the method comprises the following steps:
a main support column;
the cross beam is fixedly connected with the upper part of the main support column;
the light source bracket is in cross sliding connection with the lower part of the main supporting column;
the light source connecting piece is horizontally connected with the light source bracket in a sliding manner;
the light source is rotationally connected with the light source connecting piece and used for supplementing light for the LED bracket;
the camera bracket is in cross sliding connection with the cross beam;
and the camera is rotatably connected with the camera support and is used for taking images of an area of the LED support on the preset bearing plane except for the area with specular reflection light.
2. The apparatus for capturing the defect of LED bracket as claimed in claim 1, wherein: the light source comprises two strip-shaped light sources, and the two strip-shaped light sources are in the same plane.
3. The apparatus for capturing the defect of LED bracket as claimed in claim 2, wherein: the projection of the optical axis of the lens of the camera in the plane where the two strip-shaped light sources are located is a first axis; the two strip-shaped light sources are symmetrically arranged around the first axis.
4. The apparatus for capturing the defect of LED bracket as claimed in claim 3, wherein: the included angle between the two strip-shaped light sources and the first axis is 20-40 degrees.
5. The apparatus for capturing the defect of LED bracket as claimed in claim 1, wherein: and the included angle between the optical axis of the camera and the upper surface of the LED bracket is 30-50 degrees.
6. The apparatus for capturing the defect of LED bracket as claimed in claim 1, wherein: the distance between the camera lens and the upper surface of the LED bracket is 460 mm-480 mm.
7. The apparatus for capturing the defect of LED bracket as claimed in claim 2, wherein: the plane of the two strip-shaped light sources is arranged in parallel at a position 30-50 mm above the plane of the upper surface of the LED bracket.
8. The utility model provides a LED support defect detecting equipment which characterized in that: the method comprises the following steps:
the device for capturing the defect of LED bracket as claimed in any one of claims 1 to 7;
the computer is in communication connection with a camera in the LED bracket defect image capturing device; the computer is used for receiving the image collected by the camera, identifying the defects through a preset algorithm and sending an alarm command;
and an alarm device in communication connection with the computer; the alarm device receives the alarm command and sends out an alarm action according to the alarm command.
9. The LED support fault detection apparatus of claim 8, wherein: the alarm device comprises one or more alarm modules in sound, light, vibration or pictures.
10. The LED support fault detection apparatus of claim 8, wherein: the system also comprises a man-machine interaction module in communication connection with the computer, wherein the man-machine interaction module is used for displaying the detection result and inputting the control command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330361.7U CN210572007U (en) | 2019-08-16 | 2019-08-16 | LED support defect image capturing device and detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921330361.7U CN210572007U (en) | 2019-08-16 | 2019-08-16 | LED support defect image capturing device and detection equipment |
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| CN210572007U true CN210572007U (en) | 2020-05-19 |
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| CN201921330361.7U Active CN210572007U (en) | 2019-08-16 | 2019-08-16 | LED support defect image capturing device and detection equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650210A (en) * | 2020-06-11 | 2020-09-11 | 深圳市信宇人科技股份有限公司 | Burr detection method and detection system for high-speed high-precision lithium ion battery pole piece |
| CN112630159A (en) * | 2021-01-05 | 2021-04-09 | 蜂巢能源科技有限公司 | CCD detection device for lithium battery preparation |
| CN112748120A (en) * | 2020-12-29 | 2021-05-04 | 中国联合网络通信集团有限公司 | Defect detection system, defect detection method, defect detection device, defect detection equipment and storage medium |
-
2019
- 2019-08-16 CN CN201921330361.7U patent/CN210572007U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650210A (en) * | 2020-06-11 | 2020-09-11 | 深圳市信宇人科技股份有限公司 | Burr detection method and detection system for high-speed high-precision lithium ion battery pole piece |
| CN112748120A (en) * | 2020-12-29 | 2021-05-04 | 中国联合网络通信集团有限公司 | Defect detection system, defect detection method, defect detection device, defect detection equipment and storage medium |
| CN112630159A (en) * | 2021-01-05 | 2021-04-09 | 蜂巢能源科技有限公司 | CCD detection device for lithium battery preparation |
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Effective date of registration: 20230727 Address after: 518057 1701, Yanxiang science and technology building, 31 Gaoxin middle Fourth Road, Maling community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yanxiang Smart Technology Co.,Ltd. Patentee after: Yanxiang smart IOT Technology Co.,Ltd. Address before: 518107 5th floor, No.1, Yanxiang Zhigu chuangxiangdi, No.11, Gaoxin Road, Guangming New District, Shenzhen City, Guangdong Province Patentee before: EVOC INTELLIGENT TECHNOLOGY Co.,Ltd. Patentee before: Yanxiang smart IOT Technology Co.,Ltd. |
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