CN219957378U - Backlight LED appearance inspection machine - Google Patents
Backlight LED appearance inspection machine Download PDFInfo
- Publication number
- CN219957378U CN219957378U CN202321281632.0U CN202321281632U CN219957378U CN 219957378 U CN219957378 U CN 219957378U CN 202321281632 U CN202321281632 U CN 202321281632U CN 219957378 U CN219957378 U CN 219957378U
- Authority
- CN
- China
- Prior art keywords
- ccd camera
- motor
- control part
- base
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007689 inspection Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000011179 visual inspection Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000013527 convolutional neural network Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
Abstract
The utility model provides a backlight source LED appearance inspection machine which comprises a base, a display part, a control part, a CCD camera and a placement table, wherein the display part, the control part, the CCD camera and the placement table are sequentially arranged on the base, the CCD camera is fixedly connected with the base through a bracket, a sliding mechanism is further arranged on the lower side of the placement table, the sliding mechanism is respectively and fixedly connected with the placement table and the base, the placement table can move relative to the base through the sliding mechanism, and the control part is respectively and electrically connected with the display part and the CCD camera. The control part drives the placing table to reciprocate through the work of the first motor to carry out the limiting groove, the CCD camera is convenient for shoot the LED of the backlight module through the magnifying glass, the control part converts the image information sent by the CCD camera into display information and sends the display information to the display part to display, the staff is convenient for look over the LED image information shot by the CCD camera through the display part and compare with the good product image information prestored by the control part, fine cracks are prevented from being found, and the false detection of the staff is caused.
Description
Technical Field
The utility model relates to the technical field of photoelectric display, in particular to a backlight source LED appearance inspection machine.
Background
The backlight module provides a light source by the LEDs, and currently used electronic products with display functions, such as televisions, displays, digital cameras, mobile phones, PDAs, portable DVDs and the like, display video signals through the arrangement of the liquid crystal panels, and the image display of the liquid crystal panels is more dependent on the light source design and quality management of the backlight module, so that the backlight module can directly influence the effect of displaying images and the image contrast quality, and therefore, the good backlight module can improve the image display quality of the liquid crystal panels.
The bad phenomenon of LED cracks can appear accidentally in the backlight module production process, and the display effect is seriously affected. At present, the backlight module production line is inspected by manually observing the appearance of the LEDs by using a magnifying glass, and false detection is easy to occur on the LEDs with tiny cracks, so that defective products flow into the next working procedure.
Disclosure of Invention
In order to overcome the technical problem that the conventional backlight module production line is inspected by manually observing the appearance of an LED by using a magnifying glass, and false detection is easy to occur to an LED with tiny cracks, the utility model provides a backlight source LED appearance inspection machine.
The utility model provides a backlight source LED appearance inspection machine which comprises a base, a display part, a control part, a CCD camera and a placement table, wherein the display part, the control part, the CCD camera and the placement table are sequentially arranged on the base, the display part, the control part and the CCD camera are sequentially arranged on one side of the placement table, the CCD camera is fixedly connected with the base through a bracket and is arranged above the placement table, a backlight module to be detected is placed on the placement table, a sliding mechanism is further arranged on the lower side of the placement table, the sliding mechanism is respectively and fixedly connected with the placement table and the base, the placement table can move relative to the base through the sliding mechanism, and the control part is respectively and electrically connected with the display part and the CCD camera.
Further, the sliding mechanism comprises a sliding block, a first motor and a first screw rod, one end of the first screw rod is fixedly connected with the output end of the first motor, the other end of the first screw rod penetrates through the sliding block and is connected with the base through a bearing, the sliding block is fixedly connected with the bottom of the placing table, a first sliding rail is arranged at the position, corresponding to the first screw rod and the sliding block, of the base, the sliding block is in sliding connection with the first sliding rail, and the first motor is electrically connected with the control part.
Further, place the platform and include backing plate, rotor plate and second motor, backing plate fixed connection the slider, the second motor with the rotor plate is arranged in on the backing plate, the rotor plate is equipped with the spacing groove, second motor fixed connection backing plate one end, the output fixed connection of second motor the rotor plate is close to one side of CCD camera, second motor electric connection the control part.
Further, the magnifying glass of fixed connection the support is equipped with to CCD camera below, the support top still is equipped with the third motor, the support corresponds the CCD camera position is equipped with the second slide rail, CCD camera one side sliding connection the second slide rail, the output of third motor runs through the second lead screw CCD camera one side, third motor electric connection the control part.
Further, the display part is used for displaying the display signal sent by the control part, and the control part pre-stores the LED image in the backlight module.
Compared with the prior art, the backlight source LED appearance inspection machine provided by the utility model has the following advantages:
1. the control part drives the placing table to reciprocate through the work of the first motor to carry out the limiting groove, the CCD camera is convenient for shoot the LED of the backlight module through the magnifying glass, the control part converts the image information sent by the CCD camera into display information and sends the display information to the display part to display, the staff is convenient for look over the LED image information shot by the CCD camera through the display part and compare with the good product image information prestored by the control part, fine cracks are prevented from being found, and the false detection of the staff is caused. Further, the control part controls the second motor to work, so that the rotating plate drives the backlight module to rotate, the CCD camera can conveniently detect the appearance of the LED at multiple angles, and false detection is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a backlight LED appearance inspection machine provided by the utility model;
FIG. 2 is an exploded schematic view of a slide mechanism in a backlight LED visual inspection machine provided by the utility model;
fig. 3 is a schematic diagram of a CCD camera structure in the backlight LED visual inspection machine provided by the present utility model.
Reference numerals illustrate: 1. a base; 2. a display unit; 3. a control unit; 4. a CCD camera; 5. a placement table; 6. a sliding mechanism; 7. a backlight module 7;
41. a bracket; 42. a third motor; 43. a second slide rail; 44. a second screw rod; 45. a magnifying glass; 51. a second motor; 52. a backing plate; 53. a rotating plate; 54. a limit groove; 61. a first motor; 62. a slide block; 63. a first screw rod; 64. a first slide rail; 65. and a protective cover.
Detailed Description
For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Referring to fig. 1 to 3, the utility model provides a backlight LED appearance inspection machine, which comprises a base 1, a display part 2, a control part 3, a CCD camera 4 and a placement table 5 which are orderly arranged on the base 1, wherein the display part 2, the control part 3 and the CCD camera 4 are orderly arranged on one side of the placement table 5, the CCD camera 4 is fixedly connected with the base 1 through a bracket 41 and is arranged above the placement table 5, a backlight module 7 to be inspected is placed on the placement table 5, a sliding mechanism 6 is further arranged on the lower side of the placement table 5, the sliding mechanism 6 is respectively and fixedly connected with the placement table 5 and the base 1, the placement table 5 can move relative to the base 1 through the sliding mechanism 6, and the control part 3 is respectively and electrically connected with the display part 2 and the CCD camera 4.
It can be understood that the backlight module 7 to be detected is arranged below the CCD camera 4, and the LEDs in the backlight module 7 are arranged near one side of the CCD camera 4, the control part 3 controls the sliding mechanism 6 to work, the placing table 5 moves relative to the CCD camera 4, the CCD camera 4 is convenient for photographing the LEDs, the control part 3 converts the image information sent by the CCD camera 4 into display information, the display information is sent to the display part 2 for displaying, and the workers can conveniently and rapidly look up the appearance of the LEDs in the backlight module 7 through the display part 2. Meanwhile, the sliding mechanism 6 can be further provided with a protective cover 65, so that dust is prevented from entering the sliding mechanism 6 to influence the sliding mechanism 6 to work.
Preferably, the sliding mechanism 6 includes a slider 62, a first motor 61 and a first screw 63, one end of the first screw 63 is fixedly connected with an output end of the first motor 61, the other end of the first screw 63 penetrates through the slider 62 and is connected with the base 1 through a bearing, the slider 62 is fixedly connected with the bottom of the placement platform 5, a first sliding rail 64 is disposed at a position of the base 1 corresponding to the first screw 63 and the slider 62, the slider 62 is slidably connected with the first sliding rail 64, and the first motor 61 is electrically connected with the control portion 3.
It can be appreciated that the sliding block 62 and the first screw rod 63 of the fixedly connected placement platform 5 are placed in the first sliding rail 64 arranged on the base 1, the size of the sliding block 62 corresponds to the size of the first sliding rail 64, when the control part 3 controls the first motor 61 to work, the first motor 61 drives the sliding motion along the first sliding rail 64 through the first screw rod 63 penetrating through the sliding block 62, the sliding block 62 drives the placement platform 5 to synchronously move, so that the placement platform 5 can move relative to the CCD camera 4, and the CCD camera 4 is convenient for photographing the LED in the backlight module 7.
Preferably, the placing table 5 includes a base plate 52, a rotating plate 53 and a second motor 51, the base plate 52 is fixedly connected with the slider 62, the second motor 51 and the rotating plate 53 are placed on the base plate 52, the rotating plate 53 is provided with a limit groove 54, the second motor 51 is fixedly connected with one end of the base plate 52, an output end of the second motor 51 is fixedly connected with one side of the rotating plate 53, which is close to the CCD camera 4, and the second motor 51 is electrically connected with the control part 3.
It can be understood that the side edge of the rotating plate 53 close to the CCD camera 4 is fixedly connected with the output end of the second motor 51, so that the side edge is parallel to the output end of the second motor 51, the control portion 3 controls the second motor 51 to work, so that the rotating plate 53 rotates with the side edge close to the CCD camera 4 as a central axis and drives the backlight module 7 disposed in the limiting groove 54 to rotate synchronously, thereby facilitating the CCD camera 4 to detect the appearance of the LED at multiple angles and avoiding false detection. Further, the rotation angle of the rotation plate 53 is smaller than 45 °, so that when the rotation plate 53 drives the backlight module 7 to rotate, the backlight module 7 collides with the CCD camera 4, or the backlight module 7 falls off from the limiting groove 54.
Preferably, a magnifying glass 45 fixedly connected with the support 41 is arranged below the CCD camera 4, a third motor 42 is further arranged at the top of the support 41, a second sliding rail 43 is arranged at the position of the support 41 corresponding to the CCD camera 4, one side of the CCD camera 4 is slidably connected with the second sliding rail 43, an output end of the third motor 42 penetrates through one side of the CCD camera 4 through a second screw rod 44, and the third motor 42 is electrically connected with the control part 3.
It can be understood that the end of the CCD camera 4, which is close to the backlight module 7, is provided with the magnifying glass 45, so that the CCD camera 4 can conveniently obtain the magnified picture of the LEDs in the backlight module 7, and the situation that tiny cracks of the LEDs cannot be found and the false detection of workers is caused is avoided. Meanwhile, a third motor 42 is arranged at the top of the bracket 41, the control part 3 controls the third motor 42 to work, and the CCD camera 4 is driven to move along a second sliding rail 43 through a second screw rod 44 penetrating through the CCD camera 4, so that the distance between the CCD camera 4 and a magnifier 45 is convenient to adjust, and the CCD camera 4 can acquire clear LED images.
Preferably, the display unit 2 is configured to display the display signal sent by the control unit 3, and the control unit 3 pre-stores the LED image in the backlight module 7.
It can be understood that the control part 3 is further provided with a convolutional neural network model, and the convolutional neural network model is pre-stored with the LED good images in the backlight module 7, the control part 3 sends the image information sent by the CCD camera 4 to the convolutional neural network model, performs image comparison through the convolutional neural network, converts the comparison result into a display signal, sends the display signal to the display part 2, and displays the display signal through the display part 2. By setting the convolutional neural network model, the staff can conveniently and rapidly judge.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. Backlight LED appearance inspection machine, its characterized in that: the display part, the control part and the CCD camera are orderly arranged on one side of the placing table, the CCD camera is fixedly connected with the base through a support, the CCD camera is arranged above the placing table, a backlight module to be detected is placed on the placing table, a sliding mechanism is further arranged on the lower side of the placing table, the sliding mechanism is fixedly connected with the placing table and the base respectively, the placing table can move relative to the base through the sliding mechanism, and the control part is electrically connected with the display part and the CCD camera respectively.
2. The backlight LED visual inspection machine of claim 1, wherein: the sliding mechanism comprises a sliding block, a first motor and a first screw rod, one end of the first screw rod is fixedly connected with the output end of the first motor, the other end of the first screw rod penetrates through the sliding block and is connected with the base through a bearing, the sliding block is fixedly connected with the bottom of the placing table, the base is provided with a first sliding rail corresponding to the position of the first screw rod and the position of the sliding block, the sliding block is in sliding connection with the first sliding rail, and the first motor is electrically connected with the control part.
3. The backlight LED visual inspection machine of claim 2, wherein: the placing table comprises a base plate, a rotating plate and a second motor, wherein the base plate is fixedly connected with the sliding block, the second motor is arranged on the base plate with the rotating plate, the rotating plate is provided with a limit groove, the second motor is fixedly connected with one end of the base plate, the output end of the second motor is fixedly connected with one side, close to the CCD camera, of the rotating plate, and the second motor is electrically connected with the control part.
4. The backlight LED visual inspection machine of claim 1, wherein: the CCD camera is characterized in that a magnifier fixedly connected with the support is arranged below the CCD camera, a third motor is further arranged at the top of the support, a second sliding rail is arranged at the position of the support corresponding to the CCD camera, one side of the CCD camera is slidably connected with the second sliding rail, the output end of the third motor penetrates through one side of the CCD camera through a second screw rod, and the third motor is electrically connected with the control part.
5. The backlight LED visual inspection machine of claim 1, wherein: the display part is used for displaying the display information sent by the control part, and the control part pre-stores the LED images in the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281632.0U CN219957378U (en) | 2023-05-25 | 2023-05-25 | Backlight LED appearance inspection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281632.0U CN219957378U (en) | 2023-05-25 | 2023-05-25 | Backlight LED appearance inspection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957378U true CN219957378U (en) | 2023-11-03 |
Family
ID=88539138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321281632.0U Active CN219957378U (en) | 2023-05-25 | 2023-05-25 | Backlight LED appearance inspection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219957378U (en) |
-
2023
- 2023-05-25 CN CN202321281632.0U patent/CN219957378U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107767377B (en) | Liquid crystal display defect and dust distinguishing method and detection device based on binocular vision system | |
| CN206223686U (en) | A kind of LCD open defects detecting system | |
| CN203337939U (en) | Detection device of liquid crystal display panel | |
| CN111257330A (en) | Circuit board detection machine for electronic maintenance shop | |
| CN109884810A (en) | A kind of polyphaser standard board for backlight module defects detection | |
| CN214747771U (en) | Automatic detection equipment for parts | |
| CN115598062A (en) | Detection device for 3C product | |
| CN219957378U (en) | Backlight LED appearance inspection machine | |
| CN207475682U (en) | Mobile phone screen detector | |
| KR100662209B1 (en) | Vision and luminance detection system for back light unit | |
| CN101408520A (en) | Detection method and system for discriminating flaws of inner and outer layers | |
| CN210775273U (en) | Battery image shooting system | |
| CN201438108U (en) | Visual identifying system | |
| CN209311359U (en) | A kind of screen appearance quality detection device | |
| CN117255192A (en) | Imaging detection equipment and detection method for camera after carrying cover plate | |
| CN217953402U (en) | On-line visual dimension detection equipment compatible with partial parts | |
| CN208207433U (en) | A kind of display screen optical detection apparatus | |
| CN116643392A (en) | Microscope operating platform with lifting function and application method thereof | |
| CN206377424U (en) | A kind of camera load bearing arm for electronic equipment screen quality shot detection | |
| CN210294729U (en) | Novel LCD screen circuit detection device | |
| CN209390219U (en) | Vehicle-mounted wide-angle camera test equipment | |
| CN217766128U (en) | Photovoltaic module appearance defect visual inspection device based on camera is swept to line | |
| CN112326693A (en) | Intelligent equipment protective glass defect detection equipment | |
| CN211603769U (en) | Backlight surface automatic checkout device | |
| CN213658606U (en) | Cell-phone apron outward appearance detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |