CN201203583Y - Optical detector for printed circuit board - Google Patents
Optical detector for printed circuit board Download PDFInfo
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- CN201203583Y CN201203583Y CNU2008200361758U CN200820036175U CN201203583Y CN 201203583 Y CN201203583 Y CN 201203583Y CN U2008200361758 U CNU2008200361758 U CN U2008200361758U CN 200820036175 U CN200820036175 U CN 200820036175U CN 201203583 Y CN201203583 Y CN 201203583Y
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Abstract
The utility model discloses an optical detecting device for a printed circuit board, which comprises a horizontal shift mechanism and a vertical slip mechanism connected thereto, wherein the vertical slip mechanism is provided with a video microscope. The video microscope acquires the pattern of a printed circuit board to be detected, since the video microscope may easily output an amplified pattern by a display device, staff members can compare the image with a standard product pattern conveniently. Compared with the traditional manual detection mode using an amplifier, the efficiency of the device is higher, the pressure of workers are reduced; compared with the current automatic optical detector for a printed circuit board, which uses a high end solid state camera, the cost of the device is lower, and the device is more convenient for popularizing in small printed circuit board enterprises.
Description
Technical field
The utility model relates to a kind of printed circuit board (PCB) optical detection apparatus.
Background technology
Printed circuit board (PCB) (PCB) is to be used for the SIC (semiconductor integrated circuit) (semiconductor IC) of liquid crystal display drive integrated circult (LCD driver IC), storer and large scale integrated circuit (LSI) and so on and the main element of minimized in size product.Among the PCB, extensively use and be commonly referred to as winding automatically in conjunction with (tape automatic bonding, TAB) plate or membrane of flip chip (chip on film, COF) circuit of plate.In this PCB, form pattern by exposure, development and etch process.
In the electronics assembling is produced, SMT (surface mounting technology) is replacing traditional THT (perforation pin technique), in SMT technology, brazing material is made into paste mixture, be called tin cream, the mode of biting with web plate is printed onto on the PCB (printed circuit board (PCB)) by the shape that web plate was limited, and heats the purpose that reaches welding after treating to put element thereon together.For the processing procedure of product can reach high-quality high efficiency target, in electronic industry, detect in the printed circuit board (PCB) assembling whether have Short Item, empty weldering waits for being engaged in the dealer that the circuit board assembling produces most important.Traditional PCB detecting relies on workman's hand magnifier that printed circuit board (PCB) is carried out the block-by-block check usually, by artificial product pattern with check, especially the product pattern of the lines of tin cream welding portion and standard is compared, yet this method inefficiency, rhythm is slow, and workman's pressure is big, fatiguability, and it is also higher to detect error rate.
And along with the trend of the meticulousr semiconductor devices of latest developments, the size of PCB pattern is done very for a short time, under short, little, light at product, the thin inexorable trend, PCB substrate wiring density must be increased, cancel test point, and the electronic component volume is dwindled, to meet the requirements.Under the change of this overall situation, traditional visual detection will be because of its unsettled verification and measurement ratio and lower more and more inadequacy of coverage rate, and utilizing workman's eyes to come the check pattern defective is impossible basically.
The vision system that for this reason with the digital image is substrate cooperates accurate mechanism location, the printed circuit board (PCB) automatic optical detector (AOI System) that reaches the database of computer-aided design (CAD) and design imports the high-speed production lines of electronic industry gradually, it can measure all kinds of special efficacys in the processing procedure fast, finds out bad problem points.Existing this its mechanism of action of class automatic optical detector is normally taken pictures one by one to printed circuit board (PCB), compares so that find defective with the standard pattern data of calculator memory storage then, can non-stop run in 24 hours, compare manual detection, and speed is fast, the efficient height; Yet its shortcoming is a machine, and manufacturing cost own is higher, and especially the article carrying platform of fixing circuit board need be realized accurately running so that multi-angle is taken under Stepping Motor Control, and it is complicated that mechanism often designs; And owing to be full-automatic detection, mass dependence to the optical imaging device in the machine itself is bigger, especially in order to obtain imaging clearly, improve the accuracy rate of computing machine comparison, must introduce advanced high resolving power solid state image pickup device, make cost also further improve, this is unaffordable for some small-sized printed circuit board (PCB) manufacturers.
Summary of the invention
The utility model purpose is: a kind of simple in structure, effective, easy to use and lower-cost printed circuit board (PCB) optical detection apparatus of detection is provided.
The technical solution of the utility model is: a kind of printed circuit board (PCB) optical detection apparatus, it comprises horizontal direction translation mechanism and the vertical direction slipping mechanism that is connected on the horizontal direction translation mechanism, on the described vertical direction slipping mechanism videomicroscopy is installed.
The technical scheme that the utility model is comparatively detailed is: a kind of printed circuit board (PCB) optical detection apparatus, it comprises horizontal direction translation mechanism and the vertical direction slipping mechanism that is connected on the horizontal direction translation mechanism, on the described vertical direction slipping mechanism videomicroscopy is installed.Described horizontal direction translation mechanism comprises first linear electric motors, second linear electric motors and the 3rd linear electric motors, first stator guiding track of first linear electric motors and second stator guiding track of second linear electric motors be arranged in parallel, first stator guiding track is provided with the first mover slide block, and second stator guiding track is provided with the second mover slide block; The 3rd linear electric motors have two parallel stator guiding tracks, and these two stator guiding tracks are fixed between the first mover slide block and the second mover slide block; And the 3rd mover slide block on the 3rd linear electric motors is located on these two stator guiding tracks, and described vertical direction slipping mechanism is connected on the 3rd mover slide block.And described videomicroscopy comprises the microscope main frame and be connected the colourful CCD video camera that microscope main frame top is used for catching image; The end thread of microscope main frame is connected with the rotation observation module that is used for realizing three dimensional viewing.
The technical scheme that the utility model is more detailed is: a kind of printed circuit board (PCB) optical detection apparatus, it comprises horizontal direction translation mechanism and the vertical direction slipping mechanism that is connected on the horizontal direction translation mechanism, on the described vertical direction slipping mechanism videomicroscopy is installed.Described horizontal direction translation mechanism comprises first linear electric motors, second linear electric motors and the 3rd linear electric motors, first stator guiding track of first linear electric motors and second stator guiding track of second linear electric motors be arranged in parallel, first stator guiding track is provided with the first mover slide block, and second stator guiding track is provided with the second mover slide block; The 3rd linear electric motors have two parallel stator guiding tracks, and these two stator guiding tracks are fixed between the first mover slide block and the second mover slide block; And the 3rd mover slide block on the 3rd linear electric motors is located on these two stator guiding tracks, and described vertical direction slipping mechanism is connected on the 3rd mover slide block.Described vertical direction slipping mechanism comprises the support that is connected on the 3rd mover slide block, be fixed on Der Laengslenker on the support, be installed in threaded adjusting slide block on the Der Laengslenker, be fixed on the linking arm on the threaded adjusting slide block and be fixed on microscope anchor clamps on the linking arm, the threaded adjusting slide block is provided with control hand wheel, and described videomicroscopy is fixed on the microscope anchor clamps.This videomicroscopy comprises the microscope main frame and is connected the colourful CCD video camera that microscope main frame top is used for catching image; The end thread of microscope main frame is connected with the rotation observation module that is used for realizing three dimensional viewing.Described rotation is observed module and is specifically comprised connector and main body block, offers the long lumbar hole of horizontal direction on the described main body block; The bottom of connector and long lumbar hole flexibly connect, and the top forms a circle and the terminal screw thread that is connected of microscope main frame, and the middle part of connector has through hole; Described main body block is provided with first catoptron and second catoptron that is positioned at long lumbar hole below and positioned opposite, and wherein second catoptron and main body block surface level are miter angle, and reflecting surface is towards long lumbar hole; And first catoptron and main body block surface level are in a certain angle, and reflecting surface long lumbar hole dorsad.
The utility model printed circuit board (PCB) optical detection apparatus is in work, horizontal direction translation mechanism and vertical direction slipping mechanism that videomicroscopy on it relies under the linear motor driving are realized precise and stable space three-dimensional motion and location above printed circuit board (PCB) to be measured, conveniently obtain the pattern of each test section on the printed circuit board (PCB) to be measured; Videomicroscopy in the utility model is a prior art, have the video line interface on the colourful CCD video camera on it, by video line just can be easily with the image that obtains be sent to display device such as monitor, liquid crystal display displays is come out, also can image be sent in the computing machine by data line observe, measure, operation such as processing, comparatively convenient; Compared by the printed circuit board (PCB) pattern photo that manually will obtain image and standard at last, whether testing product is qualified.Because also being connected with rotation, the microscope main frame of the videomicroscopy in the utility model bottom observes module simultaneously, this rotation observe module have can 360 degree rotations active body, it is by the image of first, second catoptron with the object of observation, especially the tin cream lateral margin image reflection on the printed circuit board (PCB) to be measured is to the microscope main frame, therefore make the utility model to carry out multi-faceted observation to printed circuit board (PCB) to be measured from different perspectives, and do not need to move or the oblique view object, improve and detect effect.
The utility model advantage is:
1. the utility model printed circuit board (PCB) optical detection apparatus, rely on videomicroscopy to obtain the circuit board under test pattern, because videomicroscopy can easily amplify by display device output obtaining pattern, make things convenient for the staff with this image and the comparison of standardized product pattern, compare the manual detection mode of traditional dependence magnifier, efficient is higher, and alleviate workman's pressure, and compare the printed circuit board (PCB) automatic optical detector of the high-end solid state cameras of present employing, then cost is lower, is convenient at the miniature printed circuit board business enterprise expand.
2. horizontal direction translation mechanism in the utility model printed circuit board (PCB) light detection means and vertical direction slipping mechanism have guaranteed that videomicroscopy can finish stable three-dimensional motion and accurate location in the space, be beneficial to light realization the observation and the pattern of monoblock printed circuit board (PCB) to be measured obtained, detect effect to improve; And such degree of freedom mechanism structure is simple, easy to operate, has further saved cost.
3. in the utility model printed circuit board (PCB) light detection means, the microscope main frame bottom of videomicroscopy is connected with rotation and observes module, this rotation observe module have can 360 degree rotations the active piece, and by first, second catoptron with the image reflection of the object of observation to the microscope main frame, make the utility model when work, can carry out multi-angle to printed circuit board (PCB) to be measured and observe, effectively to prevent to detect careless omission, to improve to detect effect; And such structural design does not need to move or the inclination printed circuit board (PCB), does not need for it designs complicated movable article carrying platform yet, and is comparatively convenient, saved agency cost yet, has than high practicability.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the front view of a kind of specific embodiment of the utility model;
Fig. 2 is the vertical view of Fig. 1 embodiment;
Fig. 3 is the perspective view of Fig. 1 embodiment;
Fig. 4 is the front view that module is observed in the rotation among Fig. 1 embodiment
Fig. 5 is the independent structural representation that module is observed in the rotation among Fig. 1 embodiment;
Fig. 6 is the user mode synoptic diagram of Fig. 1 embodiment.
Wherein: 1, horizontal direction translation mechanism; 2, vertical direction slipping mechanism; 3, videomicroscopy; 4, microscope main frame; 5, colourful CCD video camera; 6, module is observed in rotation; 7, connector; 8, main body block; 9, long lumbar hole; 10, through hole; 11, first catoptron; 12, second catoptron; 13, first stator guiding track; 14, second stator guiding track; 15, the first mover slide block; 16, the second mover slide block; 17, stator guiding track; 18, stator guiding track; 19, the 3rd mover slide block; 20, support; 21, Der Laengslenker; 22, threaded adjusting slide block; 23, linking arm; 24, microscope anchor clamps; 25, control hand wheel; 26, circuit board under test; 27, video line.
Embodiment
Embodiment: as Fig. 1, Fig. 2 with Figure 3 shows that a kind of embodiment of the utility model printed circuit board (PCB) optical detection apparatus, it is made of horizontal direction translation mechanism 1, vertical direction slipping mechanism and videomicroscopy 3, vertical direction slipping mechanism 2 is connected on the horizontal direction translation mechanism 1, and videomicroscopy 3 is installed on the described vertical direction slipping mechanism 2.
In the present embodiment, horizontal direction translation mechanism 1 comprises first linear electric motors, second linear electric motors and the 3rd linear electric motors, first stator guiding track 13 of first linear electric motors and second stator guiding track 14 of second linear electric motors be arranged in parallel, first stator guiding track 13 is provided with the first mover slide block 15, and second stator guiding track 14 is provided with the second mover slide block 16; The 3rd linear electric motors have two parallel stator guiding tracks 17,18, and these two stator guiding tracks 17,18 are fixed between the first mover slide block 15 and the second mover slide block 16; And the 3rd mover slide block 19 on the 3rd linear electric motors is located on these two stator guiding tracks 17,18.
Described vertical direction slipping mechanism 2 comprises the support 20 that is connected on the 3rd mover slide block 19, be fixed on Der Laengslenker 21 on the support 20, be installed in threaded adjusting slide block 22 on the Der Laengslenker 21, be fixed on the linking arm 23 on the threaded adjusting slide block 22 and be fixed on microscope anchor clamps 24 on the linking arm 23, threaded adjusting slide block 22 is provided with control hand wheel 25, convenient oscilaltion for threaded adjusting slide block 22 is regulated, and described videomicroscopy 3 is fixed on the microscope anchor clamps 24.
This videomicroscopy 3 comprises microscope main frame 4 and is connected the colourful CCD video camera 5 that microscope main frame 4 tops are used for catching image; The end thread of microscope main frame 4 is connected with the rotation observation module 6 that is used for realizing three dimensional viewing.
Specifically in conjunction with Fig. 4, shown in Figure 5, rotation described in the present embodiment is observed module 6 and is specifically comprised connector 7 and main body block 8, offers the long lumbar hole 9 of horizontal direction on the described main body block 8; The bottom of connector 7 and long lumbar hole 9 flexibly connect, and the top forms a circle and the microscope main frame 4 terminal screw threads that are connected, and the middle part of connector 7 has through hole 10; Described main body block 8 is provided with first catoptron 11 and second catoptron 12 that is positioned at long lumbar hole 9 belows and positioned opposite, and wherein second catoptron 12 is miter angle with main body block 8 surface levels, and reflecting surface is towards long lumbar hole 9; And first catoptron 11 is 67.5 degree angles with main body block 8 surface levels, and reflecting surface long lumbar hole 9 dorsad.
As shown in Figure 6, present embodiment printed circuit board (PCB) optical detection apparatus is in work, horizontal direction translation mechanism 1 and vertical direction slipping mechanism 2 that videomicroscopy 3 on it relies under the linear motor driving are realized precise and stable space three-dimensional motion and location above printed circuit board (PCB) 26 to be measured, conveniently obtain the pattern of each test section on the printed circuit board (PCB) to be measured; Videomicroscopy 3 in the present embodiment is a prior art, have the video line interface on the colourful CCD video camera 5 on it, by video line 27 just can be easily with the image that obtains be sent to display device such as monitor, liquid crystal display displays is come out, compared by the printed circuit board (PCB) pattern photo that manually will obtain image and standard at last, whether testing product is qualified.Therefore present embodiment is compared the manual detection mode of traditional dependence magnifier, efficient is higher, and alleviates workman's pressure, and compares the printed circuit board (PCB) automatic optical detector of the high-end solid state cameras of present employing, then cost is lower, is convenient at the miniature printed circuit board business enterprise expand.
Because also being connected with rotation, microscope main frame 4 bottoms of the videomicroscopy 3 in the present embodiment observe module 6 simultaneously, the active piece that this rotation is observed on the module 6 can rotate by 360 degree under workman's stirring, specifically as shown in Figure 6, environment light source is by first catoptron 11 and second catoptron 12 image with the object of observation, especially the tin cream lateral margin image reflection on the printed circuit board (PCB) 26 to be measured is to microscope main frame 4, by the workman videomicroscopy is carried out the fine setting of focal length, multiplying power again, until clear picture.Therefore present embodiment can carry out multi-faceted observation to printed circuit board (PCB) to be measured from different perspectives, and does not need to move or the oblique view object, and is comparatively convenient, can effectively prevent to detect careless omission, also improved the detection effect.
Claims (5)
1. printed circuit board (PCB) optical detection apparatus, it is characterized in that it comprises horizontal direction translation mechanism (1) and is connected vertical direction slipping mechanism (2) on the horizontal direction translation mechanism (1), is equipped with a videomicroscopy (3) on the described vertical direction slipping mechanism (2).
2. printed circuit board (PCB) optical detection apparatus according to claim 1 is characterized in that described videomicroscopy (3) comprises microscope main frame (4) and is connected the colourful CCD video camera (5) that microscope main frame (4) top is used for catching image; The end thread of microscope main frame (4) is connected with the rotation observation module (6) that is used for realizing three dimensional viewing.
3. printed circuit board (PCB) optical detection apparatus according to claim 2 is characterized in that described rotation observation module (6) comprises connector (7) and main body block (8), offers the long lumbar hole (9) of horizontal direction on the described main body block (8); The bottom of connector (7) and long lumbar hole (9) flexibly connect, and the top forms a circle and the terminal screw thread that is connected of microscope main frame (4), and the middle part of connector (7) has through hole (10); Described main body block (8) is provided with first catoptron (11) and second catoptron (12) that is positioned at long lumbar hole (9) below and positioned opposite, and wherein second catoptron (12) is miter angle with main body block (8) surface level, and reflecting surface is towards long lumbar hole (9); And first catoptron (11) and main body block (8) surface level are in a certain angle, and reflecting surface long lumbar hole (9) dorsad.
4. printed circuit board (PCB) optical detection apparatus according to claim 1, it is characterized in that described horizontal direction translation mechanism (1) comprises first linear electric motors, second linear electric motors and the 3rd linear electric motors, first stator guiding track (13) of first linear electric motors and second stator guiding track (14) of second linear electric motors be arranged in parallel, first stator guiding track (13) is provided with the first mover slide block (15), and second stator guiding track (14) is provided with the second mover slide block (16); The 3rd linear electric motors have two parallel stator guiding tracks (17,18), and these two stator guiding tracks (17,18) are fixed between the first mover slide block (15) and the second mover slide block (16); And the 3rd mover slide block (19) on the 3rd linear electric motors is located on these two stator guiding tracks (17,18), and described vertical direction slipping mechanism (2) is connected on the 3rd mover slide block (19).
5. printed circuit board (PCB) optical detection apparatus according to claim 4, it is characterized in that described vertical direction slipping mechanism (2) comprises the support (20) that is connected on the 3rd mover slide block (19), be fixed on the Der Laengslenker (21) on the support (20), be installed in the threaded adjusting slide block (22) on the Der Laengslenker (21), be fixed on the linking arm (23) on the threaded adjusting slide block (22) and be fixed on microscope anchor clamps (24) on the linking arm (23), threaded adjusting slide block (22) is provided with control hand wheel (25), and described videomicroscopy (3) is fixed on the microscope anchor clamps (24).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200361758U CN201203583Y (en) | 2008-05-15 | 2008-05-15 | Optical detector for printed circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200361758U CN201203583Y (en) | 2008-05-15 | 2008-05-15 | Optical detector for printed circuit board |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901737A (en) * | 2011-07-27 | 2013-01-30 | 何忠亮 | Automatic optical detection method |
| CN103353459A (en) * | 2013-06-18 | 2013-10-16 | 深圳市华星光电技术有限公司 | Detection apparatus and detection method |
| CN103728316A (en) * | 2014-01-13 | 2014-04-16 | 深圳市永光神目科技有限公司 | Detection device for printed circuit board assembly (PCBA) plate |
| CN103921571A (en) * | 2014-04-24 | 2014-07-16 | 天津市中环高科技有限公司 | Multi-azimuth front-and-back-overprinting digital printing machine electronic eye device |
| CN104722854A (en) * | 2015-04-14 | 2015-06-24 | 重庆成俊工贸有限公司 | Self-adaptive broaching machine feeding plate |
| CN105043986A (en) * | 2015-08-05 | 2015-11-11 | 上海交通大学 | Microscope installation support for observing mesoscopic tissue online in situ |
| CN106018435A (en) * | 2016-08-08 | 2016-10-12 | 无锡宇宁智能科技有限公司 | Device for detecting appearance of SMT mounted product |
| CN106556609A (en) * | 2015-09-25 | 2017-04-05 | 康准电子科技（昆山）有限公司 | Circuit board detecting system |
| CN106770328A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of rotatable regulation for being applied to circuit board testing machine |
| CN106769867A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of translatable regulation for being applied to circuit board testing machine |
| CN107830892A (en) * | 2017-10-27 | 2018-03-23 | 惠州市美呈空间装饰设计工程有限公司 | A kind of inspection after welding mechanism for billboard |
| CN108088851A (en) * | 2018-02-12 | 2018-05-29 | 苏州玻色智能科技有限公司 | Printing checking device in mobile phone glass cover board printing equipment |
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| CN110057827A (en) * | 2019-04-24 | 2019-07-26 | 杭州富生电器有限公司 | A kind of video detecting device of motor stator |
| CN110057831A (en) * | 2019-06-03 | 2019-07-26 | 东莞金钜金属科技有限公司 | Optical de-tection means |
| CN112051214A (en) * | 2020-08-11 | 2020-12-08 | 胜宏科技（惠州）股份有限公司 | Board moving device adaptive to optical microscope for observing PCB |
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| CN102901737A (en) * | 2011-07-27 | 2013-01-30 | 何忠亮 | Automatic optical detection method |
| CN103353459A (en) * | 2013-06-18 | 2013-10-16 | 深圳市华星光电技术有限公司 | Detection apparatus and detection method |
| CN103728316A (en) * | 2014-01-13 | 2014-04-16 | 深圳市永光神目科技有限公司 | Detection device for printed circuit board assembly (PCBA) plate |
| CN103728316B (en) * | 2014-01-13 | 2016-04-06 | 深圳市永光神目科技有限公司 | The pick-up unit of PCBA board |
| CN103921571A (en) * | 2014-04-24 | 2014-07-16 | 天津市中环高科技有限公司 | Multi-azimuth front-and-back-overprinting digital printing machine electronic eye device |
| CN104722854A (en) * | 2015-04-14 | 2015-06-24 | 重庆成俊工贸有限公司 | Self-adaptive broaching machine feeding plate |
| CN105043986A (en) * | 2015-08-05 | 2015-11-11 | 上海交通大学 | Microscope installation support for observing mesoscopic tissue online in situ |
| CN106556609A (en) * | 2015-09-25 | 2017-04-05 | 康准电子科技（昆山）有限公司 | Circuit board detecting system |
| CN106018435A (en) * | 2016-08-08 | 2016-10-12 | 无锡宇宁智能科技有限公司 | Device for detecting appearance of SMT mounted product |
| CN106769867A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of translatable regulation for being applied to circuit board testing machine |
| CN106770328A (en) * | 2016-12-30 | 2017-05-31 | 佛山市坦斯盯科技有限公司 | A kind of lateral laser radiation mechanism of rotatable regulation for being applied to circuit board testing machine |
| CN106770328B (en) * | 2016-12-30 | 2023-05-05 | 佛山市坦斯盯科技有限公司 | A Rotatable and Adjustable Side Laser Irradiation Mechanism Applied to Circuit Board Inspection Machine |
| CN106769867B (en) * | 2016-12-30 | 2023-06-13 | 佛山市坦斯盯科技有限公司 | A translationally adjustable lateral laser irradiation mechanism applied to circuit board inspection machines |
| CN107830892A (en) * | 2017-10-27 | 2018-03-23 | 惠州市美呈空间装饰设计工程有限公司 | A kind of inspection after welding mechanism for billboard |
| CN108732170A (en) * | 2017-11-20 | 2018-11-02 | 江苏核电有限公司 | A kind of whisker detection device for instrument control cabinet |
| CN108088851A (en) * | 2018-02-12 | 2018-05-29 | 苏州玻色智能科技有限公司 | Printing checking device in mobile phone glass cover board printing equipment |
| CN108088851B (en) * | 2018-02-12 | 2024-01-05 | 苏州玻色智能科技有限公司 | Printing detection device in mobile phone glass cover plate printing equipment |
| CN110057827A (en) * | 2019-04-24 | 2019-07-26 | 杭州富生电器有限公司 | A kind of video detecting device of motor stator |
| CN110057827B (en) * | 2019-04-24 | 2024-03-08 | 杭州富生电器有限公司 | Video detection device of motor stator |
| CN110057831A (en) * | 2019-06-03 | 2019-07-26 | 东莞金钜金属科技有限公司 | Optical de-tection means |
| CN112051214A (en) * | 2020-08-11 | 2020-12-08 | 胜宏科技（惠州）股份有限公司 | Board moving device adaptive to optical microscope for observing PCB |
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