CN206037936U - Through -hole detecting system of PCB board - Google Patents
Through -hole detecting system of PCB board Download PDFInfo
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- CN206037936U CN206037936U CN201620824461.5U CN201620824461U CN206037936U CN 206037936 U CN206037936 U CN 206037936U CN 201620824461 U CN201620824461 U CN 201620824461U CN 206037936 U CN206037936 U CN 206037936U
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- pcb board
- camera
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- hole
- printing opacity
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Abstract
The utility model discloses a through -hole detecting system of PCB board, including square box, the upper surface middle part of box is provided with the slotted hole that inserts the PCB board, interior side surface at the box is equipped with collimated light source, the smooth perpendicular to PCB board surface that collimated light source launched, be fixed with the camera bellows on the lateral surface of box, the camera bellows is inside through the through -hole intercommunication with the box, camera bellows and collimated light source set up the both sides at the PCB board respectively, set up the camera in the camera bellows, be equipped with printing opacity white cloth between camera and PCB board, camera and outside computer link. The utility model discloses can carry out the short -term test to through -hole location on various types of PCB boards, improve detection efficiency, simultaneously reduce cost.
Description
Technical field
This utility model is related to the testing equipment of PCB wiring boards, especially a kind of quick inspection for through hole on pcb board
Examining system.
Background technology
For further improve production efficiency, the large-scale production for repeating pcb board is that trend is located.At present, many productions are single
Position can carry out the detection of small-sized pcb board using existing equipment, but these equipment are difficult to meet high brightness, width due to light-source system
Amplitude, and the requirement of excellent homogeneity tends not to meet the needs of large-scale pcb board detection, cannot also adapt to produce needs.
PCB plates in process of production, as breaking of rod nozzle easily causes leakage drilling, are visually not easy to find；Simultaneously in PCB
During twist drill hole because with it is wrong bore nozzle or plating when burn plate, easily occur that aperture is less than normal, this badness will cause client insert unit
Part；Secondly, in PCB plate silk-screen green oils, because ink plugging cannot be cleared up after development in time, as a result cause the client cannot
Inserted component；In addition, PCB plates when stannum is sprayed due to air knife pressure the problems such as cause stannum consent, this is bad will to affect PCB plate holes
Footpath, ultimately results in without choice specimen of calligraphy element.If bad above have many subjective factorss by artificial visual inspection, easily cause defective products
Flow out.
When existing through hole is checked, inspector using visually checking to PCB plates, judges PCB according to the experience of inspection completely
The problems such as whether plate has stannum consent, leakage drilling, green oil to enter hole.The detection of through hole is affected by artificial, and accuracy is difficult to ensure that,
And detection efficiency is low.
Jing is retrieved, and number of patent application is to disclose a kind of PCB plates through hole detection fixture, the folder in 201020680750.5
Tool includes clamping plate, test pin, and the test pin has a plurality of, and test pin is through clamping plate, and is exposed to outside clamping plate, clamping plate pair
Alignment pin is fixed support.Using fixture and the test pin combination protruded, by test pin to the through hole on PCB plates
Detected, broken away from the state of original artificial visual inspection, the inspection of PCB plates is accurately and rapidly carried out, improved
Inspection efficiency, reduces check cost.But above-mentioned detection fixture is only used for a kind of pcb board of model, for other shapes
Formula, then need to change fixture, its suitability is not high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of through hole detecting system of pcb board, and the system being capable of pin
Lead to the hole site on various types of pcb boards is used for quickly detecting, detection efficiency is improved, while reduces cost.
For solving above-mentioned technical problem, technical solution adopted in the utility model is：A kind of through hole detection system of pcb board
System, it is characterised in that including square casing, the upper surface middle part of described casing is provided with the slotted eye of insertion pcb board,
Source of parallel light is provided with the inner surface of casing, the light launched by described source of parallel light perpendicular to pcb board surface, in casing
Camera bellows is fixed with lateral surface, and described camera bellows is connected by through hole with box house, and camera bellows and source of parallel light are separately positioned on
The both sides of pcb board, arrange camera in camera bellows, are provided with printing opacity calico, described camera and outside between camera and pcb board
Computer connects.
Said structure is further qualified, described four side of printing opacity calico is connected with cabinet wall, described pcb board,
It is arranged in parallel between source of parallel light and printing opacity calico three, pcb board and printing opacity calico are divided into three parts housing interior volume.
Said structure is further qualified, the camera lens of described camera is placed in the through hole of wall box, and camera lens
Perpendicular to printing opacity calico, V-type passage is provided between camera lens and printing opacity calico, the small end of described V-type passage is coordinated with camera lens,
The big end of V-type passage is coordinated with printing opacity calico edge.
Said structure is further qualified, two side positions that described interior is contacted with pcb board are provided with positioning
Clamping plate, described positioning splint constitute the cannelure for guiding pcb board to insert casing.
Said structure is further qualified, described computer is provided with the image pick-up card being connected with camera, computer
Inside is provided with picture and quickly compares platform.
Said structure is further qualified, described camera is snapshots camera.
Using the beneficial effect produced by above-mentioned technical proposal it is：This utility model utilizes illumination principle, using parallel
Light irradiation pcb board, and image is formed, using collected by camera image, quickly compared by software, realize the position in hole on pcb board
With target pcb board Rapid matching, so as to be used for detecting the position in hole on pcb board, the system has broken away from original artificial visual inspection
State or fixture detection mode, the inspection of PCB plates is accurately and rapidly carried out, improve inspection efficiency, reduce
Check cost；Smoothly load casing to realize PCB plates in this utility model, the position contacted with casing in PCB plates is increased
Positioning splint is added, for guiding pcb board to enter casing, and which has been positioned, prevented from putting partially and affecting testing result.This practicality is new
Type realizes the quick detection of lead to the hole site and shape on PCB plates using the feedback information of computer, and whole process need not be borrowed
Examination board working experience is helped to can determine that using the method, PCB plates through hole, with the presence or absence of bad defect, checks that through hole can ensure that problem
Plate 100% is sorted out, improves the accuracy and efficiency of PCB plates through hole detection.
Description of the drawings
Fig. 1 is system composition schematic diagram of the present utility model；
Fig. 2 is the flow chart that this utility model is used for quickly detecting；
Wherein：1st, casing, 2, source of parallel light, 3, pcb board, 4, computer, 5, printing opacity calico, 6, camera, 7, camera bellows, 8, fixed
Position clamping plate, 9, V-type passage.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further detail.
1 understand with reference to the accompanying drawings, this utility model is specifically related to a kind of through hole detecting system of pcb board, the detecting system is used
In the through hole of accurately detection PCB plates, accuracy rate and the detection efficiency of the detection of PCB plates through hole is improved.
The through hole detecting system of pcb board mainly includes casing 1, source of parallel light 2, pcb board 3, camera 6 and computer 4, wherein
Casing 1 is hexahedron, opens up strip slotted eye in the upper surface middle part of casing 1, and slotted eye is used for preventing pcb board 3, in casing 1
Inwall, the both sides of pcb board 3 are respectively provided with source of parallel light 2 and camera 6, and the light launched by source of parallel light 2 is perpendicular to 3 table of pcb board
Face, camera 6 are fixed in camera bellows 7, and camera bellows 7 is located at 1 lateral wall of casing, and camera bellows 7 is connected by through hole with inside casing 1, in phase
Printing opacity calico 5 is provided between machine 6 and pcb board 3, and camera 6 is connected with the computer 4 of outside.This is similar to that optical imagery is former
Reason, gathers the shadow of the pcb board 3 on printing opacity calico 5 using camera 6, and the through hole printing opacity of wherein pcb board 3 is radiated at printing opacity calico 5
On, the image transmitting that camera 6 shoots to computer, by comparing the position in the hole that is ranked.
It is indeformable in order to ensure the shadow that pcb board 3 is obtained, it is desirable to which that 5 four side of printing opacity calico is connected with 1 inwall of casing, PCB
It is arranged in parallel between plate 3,5 three of source of parallel light 2 and printing opacity calico, pcb board 3 and printing opacity calico 5 split 1 inner space of casing
For three parts.
Camera 6 in this utility model adopts high speed photographing camera, its camera lens to be placed in the through hole of 1 side wall of casing, and
Camera lens perpendicular to printing opacity calico 5, for gathering the light spot position on printing opacity calico 5.V is provided between camera lens and printing opacity calico 5
Type passage 9, small end and the camera lens of V-type passage 9 coordinate, and big end and 5 edge of printing opacity calico of V-type passage 9 coordinate.V-type passage is received
Light bright spot on collection printing opacity calico 5, the camera lens for camera 6 provide range of exposures, convenient to determine shooting area.
In order to realize quick insertion and the taking-up of pcb board 3, and location positioning is accurately, is unlikely to deflection, in casing 1
Two side positions that surface is contacted with pcb board 3 are provided with positioning splint 8, and positioning splint 8 is constituted for guiding the insertion casing 1 of pcb board 3
Cannelure, in detection process, pcb board 3 is placed in cannelure.
Computer 4 in this utility model requires to be provided with the image pick-up card being connected with camera 6, installs inside computer 4
There is picture quickly to compare platform, picture quickly compares platform and compares for software, and feeds back comparison result, by sound or image
Mode notifies operator.
This utility model in detection, as shown in Figure 2, insert pcb board 3 in the slotted eye of casing 1, and beat by concrete steps
In the on and off switch of 1 side of casing, source of parallel light 2 sends parallel 3 surface of light irradiation pcb board to open position, logical on 3 surface of pcb board
Hole printing opacity, forms hole site and the shape of printing opacity on printing opacity calico 5.Then, the detecting system on startup computer 4, and
The Target Board corresponding with detected pcb board 3 is selected in system, and using on image pick-up card Quick Acquisition printing opacity calico 5
Image, transmits to computer 4, quickly compares platform using the picture on computer 4, collection image and target image contrast,
Provide whether the hole site on pcb board 3 meets the requirements.
The system is constituted by using illumination principle, realizes the position in hole and target pcb board Rapid matching on pcb board, from
And be used for detecting the position in hole on pcb board, the system has broken away from the mode of the state of original artificial visual inspection or fixture detection,
The inspection of PCB plates is accurately and rapidly carried out, improve inspection efficiency, reduce check cost.
As described above, only this utility model enumerates embodiment, when can not limit this utility model reality with this
The scope applied.I.e. generally according to the made impartial change of this utility model claim and modification, all should still belong to this practicality new
In the range of type patent covers.
Claims (6)
1. the through hole detecting system of a kind of pcb board, it is characterised in that including square casing（1）, described casing（1）Upper table
Face middle part is provided with insertion pcb board（3）Slotted eye, in casing（1）Inner surface be provided with source of parallel light（2）, it is described
Source of parallel light（2）The light launched is perpendicular to pcb board（3）Surface, in casing（1）Lateral surface on be fixed with camera bellows（7）, it is described
Camera bellows（7）With casing（1）It is internal to be connected by through hole, camera bellows（7）And source of parallel light（2）It is separately positioned on pcb board（3）Two
Side, in camera bellows（7）Interior setting camera（6）, in camera（6）And pcb board（3）Between be provided with printing opacity calico（5）, described camera
（6）With outside computer（4）Connection.
2. a kind of through hole detecting system of pcb board according to claim 1, it is characterised in that described printing opacity calico（5）
Four sides and casing（1）Inwall connects, described pcb board（3）, source of parallel light（2）With printing opacity calico（5）It is parallel between three to set
Put, pcb board（3）With printing opacity calico（5）Casing（1）Inner space is divided into three parts.
3. a kind of through hole detecting system of pcb board according to claim 2, it is characterised in that described camera（6）Mirror
Head is placed in casing（1）In the through hole of side wall, and camera lens is perpendicular to printing opacity calico（5）, in camera lens and printing opacity calico（5）Between set
There is V-type passage（9）, described V-type passage（9）Small end and camera lens coordinate, V-type passage（9）Big end and printing opacity calico（5）Side
Along cooperation.
4. a kind of through hole detecting system of pcb board according to claim 1, it is characterised in that described casing（1）Interior table
Face and pcb board（3）Two side positions of contact are provided with positioning splint（8）, described positioning splint（8）Constitute for guiding pcb board
（3）Insertion casing（1）Cannelure.
5. a kind of through hole detecting system of pcb board according to claim 1, it is characterised in that described computer（4）If
Have and camera（6）The image pick-up card of connection, computer（4）Inside is provided with picture and quickly compares platform.
6. a kind of through hole detecting system of pcb board according to claim 5, it is characterised in that described camera（6）For fast
Fast photographing camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824461.5U CN206037936U (en) | 2016-08-02 | 2016-08-02 | Through -hole detecting system of PCB board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824461.5U CN206037936U (en) | 2016-08-02 | 2016-08-02 | Through -hole detecting system of PCB board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206037936U true CN206037936U (en) | 2017-03-22 |
Family
ID=58307697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620824461.5U Active CN206037936U (en) | 2016-08-02 | 2016-08-02 | Through -hole detecting system of PCB board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206037936U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064778A (en) * | 2017-05-05 | 2017-08-18 | 柏承科技(昆山)股份有限公司 | PCB blind hole detection methods |
| CN112345533A (en) * | 2020-10-27 | 2021-02-09 | 惠州市特创电子科技有限公司 | Hole illuminating device and equipment for circuit board |
| CN113267121A (en) * | 2021-04-22 | 2021-08-17 | 西安交通大学医学院第一附属医院 | Sample measuring device and method for tumor pathology |
| CN114577756A (en) * | 2022-05-09 | 2022-06-03 | 烟台正德电子科技有限公司 | Light transmission uniformity detection device and detection method |
| CN117825411A (en) * | 2024-01-09 | 2024-04-05 | 江门市众阳电路科技有限公司 | Electroplating defect detection device and detection method for electroplated PCB |
| CN117825411B (en) * | 2024-01-09 | 2024-05-28 | 江门市众阳电路科技有限公司 | Electroplating defect detection device and detection method for electroplated PCB |
-
2016
- 2016-08-02 CN CN201620824461.5U patent/CN206037936U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064778A (en) * | 2017-05-05 | 2017-08-18 | 柏承科技(昆山)股份有限公司 | PCB blind hole detection methods |
| CN112345533A (en) * | 2020-10-27 | 2021-02-09 | 惠州市特创电子科技有限公司 | Hole illuminating device and equipment for circuit board |
| CN113267121A (en) * | 2021-04-22 | 2021-08-17 | 西安交通大学医学院第一附属医院 | Sample measuring device and method for tumor pathology |
| CN114577756A (en) * | 2022-05-09 | 2022-06-03 | 烟台正德电子科技有限公司 | Light transmission uniformity detection device and detection method |
| CN114577756B (en) * | 2022-05-09 | 2022-07-15 | 烟台正德电子科技有限公司 | Light transmission uniformity detection device and detection method |
| CN117825411A (en) * | 2024-01-09 | 2024-04-05 | 江门市众阳电路科技有限公司 | Electroplating defect detection device and detection method for electroplated PCB |
| CN117825411B (en) * | 2024-01-09 | 2024-05-28 | 江门市众阳电路科技有限公司 | Electroplating defect detection device and detection method for electroplated PCB |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511468, No. 41, Rong Dong Road, Tam Industrial East District, Dagang Town, Guangzhou, Guangdong, Nansha District Patentee after: Guangzhou hi tech Limited by Share Ltd Address before: 511468, No. 41, Rong Dong Road, Tam Industrial East District, Dagang Town, Guangzhou, Guangdong, Nansha District Patentee before: GUANGZHOU PANYU YUNSHENG PCB CO., LTD. |