CN113218946A - Chip LED quantity automatic detection system - Google Patents
Chip LED quantity automatic detection system Download PDFInfo
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- CN113218946A CN113218946A CN202110494481.6A CN202110494481A CN113218946A CN 113218946 A CN113218946 A CN 113218946A CN 202110494481 A CN202110494481 A CN 202110494481A CN 113218946 A CN113218946 A CN 113218946A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30242—Counting objects in image
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Abstract
The invention discloses an automatic detection system for the number of chip LEDs, which comprises a supporting seat (1), wherein a positioning mechanism (2) is arranged on the upper surface of the supporting seat (1), an image acquisition device (3) is arranged on the lower surface of the supporting seat (1), the positioning mechanism (2) comprises a supporting plate (4) arranged on the upper surface of the supporting seat (1), a first supporting column (5) is arranged on the supporting plate (4), a fixing plate (6) is arranged in the middle of the first supporting column (5), a cylindrical sleeve body (7) connected with the first supporting column (5) in a sliding manner is arranged below the fixing plate (6), and a first installation cavity (8) is arranged between the sleeve body (7) and the first supporting column (5); the invention can keep the stability and uniformity of the position of each chip when detecting the quantity of the LEDs, effectively improves the accuracy of the detection structure, can effectively reduce the detection time between adjacent chips and has high detection efficiency.
Description
Technical Field
The invention relates to the field of chip detection, in particular to an automatic detection system for the number of chip LEDs.
Background
The COB is called chip on board, namely chip on board packaging, and is a novel packaging mode different from an SMD surface mount packaging technology, specifically, a bare chip is adhered to a PCB by conductive or non-conductive glue, then wire bonding is carried out to realize electrical connection of the bare chip, and the chip and a bonding wire are packaged by glue; in the chip of COB technique, tens or even hundreds of LED chips can be integrated usually, but count to the LED chip of normal work on the chip in process of production, it is qualified to detect it, current check out test set only has image acquisition device usually, the image through gathering obtains the result after the computer calculation, but owing to lack suitable fixed knot structure, the locating place of chip can produce slope and skew, can not guarantee that image acquisition device acquires complete chip image, the accuracy of testing result has been reduced, practicality and reliability are not good enough.
Disclosure of Invention
The invention aims to provide an automatic detection system for the number of chip LEDs. The invention can keep the stability and uniformity of the position of each chip when detecting the quantity of the LEDs, effectively improves the accuracy of the detection structure, can effectively reduce the detection time between adjacent chips and has high detection efficiency.
The technical scheme of the invention is as follows: the chip LED quantity automatic detection system comprises a supporting seat, wherein a positioning mechanism is arranged on the upper surface of the supporting seat, an image acquisition device is arranged on the lower surface of the supporting seat, the positioning mechanism comprises a supporting plate arranged on the upper surface of the supporting seat, a first supporting column is arranged on the supporting plate, a fixing plate is arranged in the middle of the first supporting column, a cylindrical sleeve body in sliding connection with the first supporting column is arranged below the fixing plate, a first installation cavity is arranged between the sleeve body and the first supporting column, a first spring connected with the fixing plate and the inner bottom surface of the sleeve body is arranged in the first installation cavity, and a first compression ring is arranged at the top of the sleeve body; a second mounting cavity is formed in the end part of the first supporting column, a stress column in sliding connection is arranged in the second mounting cavity, and a second spring is arranged between the bottom surface of the stress column and the inner bottom surface of the second mounting cavity; the top surface of the stress column is provided with a stress plate, the bottom surface of the stress plate is provided with a second support column, the middle part of the second support column is provided with a second press ring, the projection parts of the second press ring and the first press ring on the horizontal plane are overlapped, the second press ring is higher than the first press ring, and the distance between the first press ring and the second press ring is smaller than the telescopic distance of the second spring; a third mounting cavity is formed in the bottom surface of the second supporting column, a limiting column in sliding connection is arranged in the third mounting cavity, and a third spring is arranged between the top surface of the limiting column and the inner top surface of the third mounting cavity; the bottom of the limiting column is provided with a limiting frame, the two sides of the bottom of the sleeve body are provided with probe mounting plates, and the bottom surfaces of the probe mounting plates are provided with probes corresponding to the limiting frame; the corner below the inner side surface of the limiting frame is provided with an arc transition; a detection port is formed in the supporting seat below the limiting frame, and the image acquisition device is located below the detection port; a fixed frame corresponding to the limiting frame in size is arranged on the detection port, and two opposite openings are formed in the inner side wall of the fixed frame; a push-out mechanism is arranged on one side of the fixed frame and comprises a push plate mounting plate arranged on the supporting seat, a sliding groove is formed in the push plate mounting plate, a baffle is arranged at the end of the sliding groove, a sliding block in sliding connection is arranged in the sliding groove, and a fourth spring is arranged between the sliding block and the baffle; a push plate in sliding connection with the opening is arranged on one side of the sliding block, supporting blocks are arranged on the inner walls of the fixing frames on the two sides of the push plate, and the upper surfaces of the supporting blocks are lower than the upper surface of the push plate; one side of spout is equipped with first connecting block and second connecting block, and the tip of first connecting block is located one side of atress board and is equipped with first pulley, and the second connecting block is kept away from atress board place one side and the side is equipped with the second pulley that corresponds with the sliding block position, is equipped with the drive belt jointly on first pulley and the second pulley, and the both ends of drive belt link to each other with atress board and sliding block respectively.
In the automatic detection system for the number of the chip LEDs, the sum of the distance between the limiting frame and the supporting seat and the telescopic distance of the third spring is smaller than the telescopic distance of the second spring.
In the automatic detection system for the number of the chip LEDs, the distance between the probe and the support seat is smaller than the telescopic distance of the first spring.
In the automatic detection system for the quantity of the chip LEDs, the two sides of the limiting column are provided with the fixing blocks, and the limiting frame is connected below the fixing blocks.
In the automatic detection system for the number of the chip LEDs, the inner circle shape of the first pressing ring is consistent with that of the fixing plate, and the upper surface of the first pressing ring is coplanar with that of the fixing plate.
In the automatic detection system for the number of the chip LEDs, the limiting frame is made of insulating materials.
In the automatic detection system for the number of the chip LEDs, the shape and the size of the inner frame of the fixed frame are consistent with those of the inner frame of the limiting frame.
In the automatic detection system for the number of the chip LEDs, an inclined plate corresponding to the opening position is arranged on one side of the fixing frame.
Compared with the prior art, the invention has the following beneficial effects:
1. the positioning mechanism comprises a supporting plate arranged on the upper surface of a supporting seat, wherein a first supporting column is arranged on the supporting plate, a fixing plate is arranged in the middle of the first supporting column, a cylindrical sleeve body connected with the first supporting column in a sliding mode is arranged below the fixing plate, a first installation cavity is arranged between the sleeve body and the first supporting column, a first spring connected with the fixing plate and the inner bottom surface of the sleeve body is arranged in the first installation cavity, and a first pressing ring is arranged at the top of the sleeve body; a second mounting cavity is formed in the end part of the first supporting column, a stress column in sliding connection is arranged in the second mounting cavity, and a second spring is arranged between the bottom surface of the stress column and the inner bottom surface of the second mounting cavity; the top surface of the stress column is provided with a stress plate, the bottom surface of the stress plate is provided with a second support column, the middle part of the second support column is provided with a second press ring, the projection parts of the second press ring and the first press ring on the horizontal plane are overlapped, the second press ring is higher than the first press ring, and the distance between the first press ring and the second press ring is smaller than the telescopic distance of the second spring; a third mounting cavity is formed in the bottom surface of the second supporting column, a limiting column in sliding connection is arranged in the third mounting cavity, and a third spring is arranged between the top surface of the limiting column and the inner top surface of the third mounting cavity; the bottom of the limiting column is provided with a limiting frame, the two sides of the bottom of the sleeve body are provided with probe mounting plates, and the bottom surfaces of the probe mounting plates are provided with probes corresponding to the limiting frame; the corner below the inner side surface of the limiting frame is provided with an arc transition; a detection port is formed in the supporting seat below the limiting frame, and the image acquisition device is located below the detection port; a fixed frame corresponding to the limiting frame in size is arranged on the detection port, and two opposite openings are formed in the inner side wall of the fixed frame; a push-out mechanism is arranged on one side of the fixed frame and comprises a push plate mounting plate arranged on the supporting seat, a sliding groove is formed in the push plate mounting plate, a baffle is arranged at the end of the sliding groove, a sliding block in sliding connection is arranged in the sliding groove, and a fourth spring is arranged between the sliding block and the baffle; a push plate in sliding connection with the opening is arranged on one side of the sliding block, supporting blocks are arranged on the inner walls of the fixing frames on the two sides of the push plate, and the upper surfaces of the supporting blocks are lower than the upper surface of the push plate; a first connecting block and a second connecting block are arranged on one side of the sliding chute, the end part of the first connecting block is positioned on one side of the stress plate and is provided with a first pulley, the side surface of the second connecting block, which is far away from the stress plate, is provided with a second pulley corresponding to the sliding block, a driving belt is arranged on the first pulley and the second pulley together, and two ends of the driving belt are respectively connected with the stress plate and the sliding block; the chip to be detected is placed on a push plate in a fixed frame, the LED faces to one side of an image acquisition device, a stress plate is pushed, the stress plate drives a stress column and a second support column to move downwards, the stress column slides into a second mounting cavity, the second support column drives a limiting frame to move downwards at the moment, arc transition at the lower corner of the inner side surface of the limiting frame can push one side of the chip to be shifted to move inwards, the chip is guaranteed to be limited in the range of the fixed frame, secondary limiting of the chip position is achieved, in the process, due to the fact that the stress plate moves downwards, a transmission belt is driven to pull a sliding block to move outwards, the sliding block drives the push plate to be separated from an opening on one side of the fixed frame, and therefore the chip falls onto a support block from the push plate; the stress plate is continuously pushed, after the limiting frame completely contacts the supporting seat, the limiting column can extrude the third spring through the limiting column to enable the limiting column to slide into the third mounting cavity, so that the second supporting column can continuously move downwards, the second pressing ring contacts and pushes the first pressing ring in the downward movement process, the first pressing ring drives the sleeve body to slide downwards on the first supporting column, probes on the probe mounting plates on two sides are driven in the movement to electrify fixed positions on the chip, LEDs on the chip are lightened, at the moment, the image acquisition device acquires accurate and complete images and detects the number of the LEDs through the computer, and the detection result is accurate and reliable; after the detection is accomplished, each spring resumes deformation, and the atress board shifts up naturally, receives extruded fourth spring to promote the sliding block simultaneously, makes the push pedal get into fixed frame from the place side opening again in, and the chip lateral part receives the promotion of push pedal and is released from the opening of opposite side, realizes detecting the auto-eject of chip, is convenient for carry out next detection fast, and detection efficiency is high.
2. The sum of the distance between the limiting frame and the supporting seat and the telescopic distance of the third spring is smaller than the telescopic distance of the second spring, the stress column can have enough contraction length, the normal downward movement of the second supporting column and the normal extrusion contraction of the limiting column are ensured, and the reliability is good.
3. According to the invention, the distance between the probe and the supporting seat is smaller than the telescopic distance of the first spring, so that the probe can fully contact the chip to be detected, the electrification of the chip is effectively ensured, and the use reliability is further improved.
4. The inner circle shape of the first press ring is consistent with that of the fixing plate, the upper surface of the first press ring is coplanar with that of the fixing plate, when the device does not work, the inner ring wall of the first press ring can be well matched with the fixing plate to form certain sealing performance, the inner ring wall of the first press ring and the fixing plate jointly protect the third spring inside the sleeve, and the service life is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the ejector mechanism of the present invention;
FIG. 3 is a schematic cross-sectional view of the positioning mechanism of the present invention;
fig. 4 is a schematic sectional view of the fixing frame part of the present invention.
The labels in the figures are: 1-a support seat; 2-a positioning mechanism; 3-an image acquisition device; 4-a support plate; 5-a first support column; 6, fixing a plate; 7-a sleeve body; 8-a first mounting cavity; 9-a first spring; 10-a first pressure ring; 11-a second mounting cavity; 12-a force-bearing column; 13-a second spring; 14-a stress plate; 15-a second support column; 16-a second pressure ring; 17-a third mounting cavity; 18-a spacing post; 19-a third spring; 20-a limit frame; 21-a probe mounting plate; 22-a detection port; 23-fixing blocks; 24-a fixed frame; 25-opening; 26-a push-out mechanism; 27-a push plate mounting plate; 28-a chute; 29-a baffle; 30-a sliding block; 31-a fourth spring; 32-push plate; 33-a support block; 34-a second connecting block; 35-a first pulley; 36-a second pulley; 37-a transmission belt; 38-a probe; 39 — a first connection block; 40-inclined plate.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
Example (b): an automatic detection system for the number of chip LEDs is shown in figure 1 and comprises a supporting seat 1, wherein a positioning mechanism 2 is arranged on the upper surface of the supporting seat 1, an image acquisition device 3 is arranged on the lower surface of the supporting seat 1, the image acquisition device 3 comprises an industrial camera, a camera lens and an industrial camera controller, and is connected with a computer through a circuit and is a conventional component which can be obtained through the market, which is not a technical scheme protected by the invention, so the specific model and the connection circuit are not repeated; as shown in fig. 3, the positioning mechanism 2 includes a supporting plate 4 disposed on the upper surface of the supporting seat 1, a first supporting column 5 is disposed on the supporting plate 4, a fixing plate 6 is disposed in the middle of the first supporting column 5, a cylindrical sleeve 7 slidably connected to the first supporting column 5 is disposed below the fixing plate 6, a first mounting cavity 8 is disposed between the sleeve 7 and the first supporting column 5, a first spring 9 connected to the fixing plate 6 and the inner bottom surface of the sleeve 7 is disposed in the first mounting cavity 8, a first press ring 10 is disposed on the top of the sleeve 7, the inner circle shape of the first press ring 10 is consistent with that of the fixing plate 6, and the upper surface of the first press ring 10 is coplanar with the upper surface of the fixing plate 6; a second mounting cavity 11 is formed in the end part of the first supporting column 5, a stress column 12 in sliding connection is arranged in the second mounting cavity 11, and a second spring 13 is arranged between the bottom surface of the stress column 12 and the inner bottom surface of the second mounting cavity 11; the top surface of the stress column 12 is provided with a stress plate 14, when in use, the stress plate 14 can be manually pushed, and an external push-pull motor or a push-pull cylinder can also be connected, the bottom surface of the stress plate 14 is provided with a second support pillar 15, the middle part of the second support pillar 15 is provided with a second press ring 16, the second press ring 16 is overlapped with the projection part of the first press ring 10 on the horizontal plane, the second press ring 16 is higher than the first press ring 10, and the distance between the first press ring 10 and the second press ring 16 is smaller than the telescopic distance of the second spring 13; a third mounting cavity 17 is formed in the bottom surface of the second supporting column 15, a limiting column 18 in sliding connection is arranged in the third mounting cavity 17, and a third spring 19 is arranged between the top surface of the limiting column 18 and the inner top surface of the third mounting cavity 17; fixing blocks 23 are arranged on two sides of the bottom of the limiting column 18, a limiting frame 20 is arranged on each fixing block 23, each limiting frame 20 is made of insulating materials, probe mounting plates 21 are arranged on two sides of the bottom of the sleeve body 7, and probes 38 corresponding to the limiting frames 20 are arranged on the bottom surfaces of the probe mounting plates 21; the corner below the inner side face of the limiting frame 20 is provided with an arc transition; a detection port 22 is arranged on the support seat 1 below the limiting frame 20, and the image acquisition device 3 is positioned below the detection port 22; the sum of the distance between the limiting frame 20 and the supporting seat 1 and the telescopic distance of the third spring 19 is less than the telescopic distance of the second spring 13; the distance between the probe 38 and the support seat 1 is less than the telescopic distance of the first spring 9; as shown in fig. 4, a fixing frame 24 corresponding to the size of the limit frame 20 is arranged on the detection port 22, the shape and size of the inner frame of the fixing frame 24 are consistent with the shape and size of the inner frame of the limit frame 20, and two opposite openings 25 are arranged on the inner side wall of the fixing frame 24; as shown in fig. 2, a push-out mechanism 26 is arranged on one side of the fixing frame 24, the push-out mechanism 26 includes a push plate mounting plate 27 arranged on the support base 1, a sliding slot 28 is arranged on the push plate mounting plate 27, a baffle 29 is arranged at the end of the sliding slot 28, a sliding block 30 in sliding connection is arranged in the sliding slot 28, and a fourth spring 31 is arranged between the sliding block 30 and the baffle 29; a push plate 32 connected with the opening 25 in a sliding manner is arranged on one side of the sliding block 30, supporting blocks 33 are arranged on the inner walls of the fixing frames 24 on the two sides of the push plate 32, buffer rubber is arranged on the supporting blocks 33, and the upper surfaces of the supporting blocks 33 are lower than the upper surface of the push plate 32; a first connecting block 39 and a second connecting block 34 are arranged on one side of the sliding chute 28, the end of the first connecting block 39 is positioned on one side of the stress plate 14 and is provided with a first pulley 35, the second connecting block 34 is far away from one side of the stress plate 14 and is provided with a second pulley 36 corresponding to the sliding block 30 in position on the side surface, the outer ends of the first pulley 35 and the second pulley 36 are provided with stop blocks, a transmission belt 37 is jointly arranged on the first pulley 35 and the second pulley 36, and two ends of the transmission belt 37 are respectively connected with the stress plate 14 and the sliding block 30; one side of the fixing frame 24 is provided with an inclined plate 40 corresponding to the position of the opening 25, and after the chip is pushed out from the opening 25, the chip can fall along the inclined plate 40, so that the chip is prevented from directly falling, and the damage to the chip is reduced.
The working principle is as follows: the chip to be detected is placed on a push plate in a fixed frame, the LED faces to one side of an image acquisition device, a stress plate is pushed, the stress plate drives a stress column and a second support column to move downwards, the stress column slides into a second mounting cavity, the second support column drives a limiting frame to move downwards at the moment, arc transition at the lower corner of the inner side surface of the limiting frame can push one side of the chip to be shifted to move inwards, the chip is guaranteed to be limited in the range of the fixed frame, secondary limiting of the chip is achieved, in the process, due to the fact that the stress plate moves downwards, a transmission belt is driven to pull a sliding block to move outwards, the sliding block drives the push plate to be separated from an opening in one side of the fixed frame, and therefore the chip falls onto a support block from the push plate; the stress plate is continuously pushed, after the limiting frame completely contacts the supporting seat, the limiting column can extrude the third spring through the limiting column to enable the limiting column to slide into the third mounting cavity, so that the second supporting column can continuously move downwards, the second pressing ring contacts and pushes the first pressing ring in the downward movement process, the first pressing ring drives the sleeve body to slide downwards on the first supporting column, probes on the probe mounting plates on two sides are driven in the movement to electrify fixed positions on the chip, LEDs on the chip are lightened, at the moment, the image acquisition device acquires accurate and complete images and detects the number of the LEDs through the computer, and the detection result is accurate and reliable; after the detection is completed, each spring recovers deformation, the stress plate naturally moves upwards, and the fourth spring pushed sliding block is extruded simultaneously, so that the push plate enters the fixed frame from the side opening of the stress plate, and the chip side part is pushed out from the opening of the other side by the pushing of the push plate, so that the detected chip can be automatically popped out, and the next detection can be conveniently and rapidly performed.
Claims (8)
1. Chip LED quantity automatic check out system, including supporting seat (1), supporting seat (1) upper surface is equipped with positioning mechanism (2), and supporting seat (1) lower surface is equipped with image acquisition device (3), its characterized in that: the positioning mechanism (2) comprises a supporting plate (4) arranged on the upper surface of the supporting seat (1), a first supporting column (5) is arranged on the supporting plate (4), a fixing plate (6) is arranged in the middle of the first supporting column (5), a cylindrical sleeve body (7) in sliding connection with the first supporting column (5) is arranged below the fixing plate (6), a first installation cavity (8) is arranged between the sleeve body (7) and the first supporting column (5), a first spring (9) connected with the fixing plate (6) and the inner bottom surface of the sleeve body (7) is arranged in the first installation cavity (8), and a first pressing ring (10) is arranged at the top of the sleeve body (7); a second mounting cavity (11) is formed in the end portion of the first supporting column (5), a stress column (12) in sliding connection is arranged in the second mounting cavity (11), and a second spring (13) is arranged between the bottom surface of the stress column (12) and the inner bottom surface of the second mounting cavity (11); the top surface of the stress column (12) is provided with a stress plate (14), the bottom surface of the stress plate (14) is provided with a second support column (15), the middle part of the second support column (15) is provided with a second press ring (16), the projection parts of the second press ring (16) and the first press ring (10) on the horizontal plane are overlapped, the second press ring (16) is higher than the first press ring (10), and the distance between the first press ring (10) and the second press ring (16) is smaller than the telescopic distance of the second spring (13); a third mounting cavity (17) is formed in the bottom surface of the second supporting column (15), a limiting column (18) in sliding connection is arranged in the third mounting cavity (17), and a third spring (19) is arranged between the top surface of the limiting column (18) and the inner top surface of the third mounting cavity (17); the bottom of the limiting column (18) is provided with a limiting frame (20), two sides of the bottom of the sleeve body (7) are provided with probe mounting plates (21), and the bottom surfaces of the probe mounting plates (21) are provided with probes (38) corresponding to the limiting frame (20); the corner below the inner side surface of the limiting frame (20) is provided with an arc transition; a detection port (22) is formed in the supporting seat (1) below the limiting frame (20), and the image acquisition device (3) is located below the detection port (22); a fixed frame (24) with the size corresponding to that of the limiting frame (20) is arranged on the detection port (22), and two opposite openings (25) are formed in the inner side wall of the fixed frame (24); a push-out mechanism (26) is arranged on one side of the fixed frame (24), the push-out mechanism (26) comprises a push plate mounting plate (27) arranged on the supporting seat (1), a sliding groove (28) is arranged on the push plate mounting plate (27), a baffle (29) is arranged at the end part of the sliding groove (28), a sliding block (30) in sliding connection is arranged in the sliding groove (28), and a fourth spring (31) is arranged between the sliding block (30) and the baffle (29); a push plate (32) which is in sliding connection with the opening (25) is arranged on one side of the sliding block (30), supporting blocks (33) are arranged on the inner walls of the fixing frames (24) on the two sides of the push plate (32), and the upper surfaces of the supporting blocks (33) are lower than the upper surface of the push plate (32); one side of spout (28) is equipped with first connecting block (39) and second connecting block (34), the tip of first connecting block (39) is located one side of atress board (14) and is equipped with first pulley (35), second connecting block (34) are kept away from atress board (14) place one side and the side and are equipped with second pulley (36) that correspond with sliding block (30) position, be equipped with drive belt (37) jointly on first pulley (35) and second pulley (36), the both ends of drive belt (37) link to each other with atress board (14) and sliding block (30) respectively.
2. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: the sum of the distance between the limiting frame (20) and the supporting seat (1) and the telescopic distance of the third spring (19) is smaller than the telescopic distance of the second spring (13).
3. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: the distance between the probe (38) and the supporting seat (1) is smaller than the telescopic distance of the first spring (9).
4. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: fixed blocks (23) are arranged on two sides of the limiting column (18), and the limiting frame (20) is connected below the fixed blocks (23).
5. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: the inner circle shape of the first pressing ring (10) is consistent with that of the fixing plate (6), and the upper surface of the first pressing ring (10) is coplanar with that of the fixing plate (6).
6. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: the limiting frame (20) is made of insulating materials.
7. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: the shape and the size of the inner frame of the fixed frame (24) are consistent with those of the inner frame of the limiting frame (20).
8. The system for automatically detecting the number of LEDs on a chip according to claim 1, wherein: one side of the fixed frame (24) is provided with an inclined plate (40) corresponding to the position of the opening (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494481.6A CN113218946B (en) | 2021-05-07 | 2021-05-07 | Automatic detecting system for chip LED quantity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110494481.6A CN113218946B (en) | 2021-05-07 | 2021-05-07 | Automatic detecting system for chip LED quantity |
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| CN113218946A true CN113218946A (en) | 2021-08-06 |
| CN113218946B CN113218946B (en) | 2023-05-16 |
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| CN208688986U (en) * | 2018-06-23 | 2019-04-02 | 广东麒麟精工科技有限公司 | A kind of piece of type part inspection and counting device |
| CN209280602U (en) * | 2018-12-21 | 2019-08-20 | 苏州新讯发自动化科技有限公司 | A kind of vision inspection apparatus |
| CN109794973A (en) * | 2019-03-28 | 2019-05-24 | 安徽皖源食品有限公司 | It is a kind of to automate high-efficient cake slicing device |
| CN110227655A (en) * | 2019-04-29 | 2019-09-13 | 丽水奇异果信息技术有限公司 | A kind of chip-detecting apparatus based on image recognition |
| CN211877812U (en) * | 2019-12-18 | 2020-11-06 | 贵州财经大学 | Glass detection device based on deep learning |
| CN111781211A (en) * | 2020-06-16 | 2020-10-16 | 珠海市捷锐科技有限公司 | Chip character detection and counter |
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