CN107490466A - A kind of on-line detecting system of lens of car light - Google Patents
A kind of on-line detecting system of lens of car light Download PDFInfo
- Publication number
- CN107490466A CN107490466A CN201610410101.5A CN201610410101A CN107490466A CN 107490466 A CN107490466 A CN 107490466A CN 201610410101 A CN201610410101 A CN 201610410101A CN 107490466 A CN107490466 A CN 107490466A
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- lens
- measured
- control system
- car light
- interaction interface
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- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000003993 interaction Effects 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0242—Testing optical properties by measuring geometrical properties or aberrations
- G01M11/0257—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested
- G01M11/0264—Testing optical properties by measuring geometrical properties or aberrations by analyzing the image formed by the object to be tested by using targets or reference patterns
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- Physics & Mathematics (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention belongs to intelligent testing technology field, it is related to a kind of on-line detecting system of lens of car light, the system uses the control mode that PLC control system is combined with PC control system, and the fixture for loading lens to be measured is advanced into detection station by PLC control electric cylinders.The present invention passes through PLC control system and the information exchange of PC control system, the electric current of lens to be measured is gathered with digital current meter, lens light shape to be measured is gathered with CCD camera, it is transferred to video processing board-card and carries out digital processing, the software of human-computer interaction interface contrasts the difference between default standard picture and measurand image, tolerance interval is set, with reference to current detecting, image detection threshold value comprehensive descision lens performance, filters out underproof lens of car light.
Description
Technical field
The invention belongs to intelligent testing technology field, is related to a kind of on-line detecting system of lens of car light.
Background technology
With developing rapidly for domestic and international auto industry, the requirement more and more higher to car light, as the saturating of car lamp significant components
Mirror, by increasingly extensive concern and popularization and application.As the lens of headlamp assembly important component, its luminous intensity distribution performance determines
The luminous intensity distribution performance of whole lamp, need strictly to detect lens before dispatching from the factory, to ensure the reliability of whole lamp assembly.
Whether the detection of current lens module uses artificial detection means, mainly meet to detect by human eye subjective judgement lens light shape
It is required that efficiency is low and quality is difficult to management and control, the requirement of production can not be met.
The content of the invention
The purpose of the present invention is the defects of overcoming existing detection means, there is provided a kind of efficiency high, detects the lens of car light of reliable in quality
On-line detecting system.
Realizing the technical scheme of the object of the invention is：A kind of on-line detecting system of lens of car light, including PLC control system, figure
As collection and processing system and PC control system, PLC control system includes PLC, electric cylinders, preheating station and inspection
Survey station；IMAQ includes CCD camera, camera lens and video processing board-card with processing system, and camera lens images installed in CCD
On head；PC control system includes human-computer interaction interface module,
Human-computer interaction interface module drives electric cylinders to move by PLC, and lens to be measured are put into preheating station first and entered by electric cylinders
Row preheats, and then electric cylinders exchange preheating station and detection station progress 180 degree, and the lens to be measured after preheating enter detection work
Detected in position, the light shape of lens to be measured in CCD camera acquisition testing station, CCD camera is to be measured by what is collected
The light graphic data of lens is transferred to video processing board-card and carries out analog-to-digital conversion, and video processing board-card (23) will be to be measured after analog-to-digital conversion
The light graphic data of mirror is transferred to human-computer interaction interface module and analyzed and processed, and human-computer interaction interface module filters out underproof car
Lamp lens.
As the prioritization scheme of the present invention, the on-line detecting system of lens of car light also includes digital current meter, and digital current meter passes through
RS232 serial ports is communicated with PC control system, and digital current meter is by RS232 serial ports by the work of the lens to be measured measured
Human-computer interaction interface module is transferred to as electric current to be analyzed and processed.
As the prioritization scheme of the present invention, the detection electric current that human-computer interaction interface module passes through RS232 serial port setting digital current meters
Parameter, human-computer interaction interface module send current detecting to digital current meter by RS232 serial ports and instructed.
The present invention there is positive effect 1) present invention by PLC and PC control system progress information exchange control,
The system division of labor is clear and definite, and logic is simple, is easy to control.
2) present invention includes two stations of preheating station and detection station, and another measured piece is detected while preheating,
The time is avoided waiting for, substantially increases detection and production efficiency.
3) IMAQ of the invention can avoid the erroneous judgement of artificial detection with processing system with automatic test optics of lens performance,
The uniformity of Product checking is guaranteed with reliability.
Brief description of the drawings
In order that present disclosure is easier to be clearly understood, below according to specific embodiment and with reference to accompanying drawing, to the present invention
It is described in further detail.
Fig. 1 is the theory diagram of the present invention.
Wherein, 1, PLC control system, 2, IMAQ and processing system, 3, PC control system, 4, digital current meter,
11st, PLC, 12, electric cylinders, 13, preheating station, 14, detection station, 21, CCD camera, 22, camera lens,
23rd, video processing board-card, 31, human-computer interaction interface module.
Embodiment
As shown in figure 1, the invention discloses a kind of on-line detecting system of lens of car light, including PLC control system 1, image
Collection and processing system 2 and PC control system 3, PLC control system 1 include PLC 11, electric cylinders 12, preheating
Station 13 and detection station 14；IMAQ includes CCD camera 21, camera lens 22 and video processing board-card with processing system 2
23, camera lens 22 is arranged on CCD camera 21；PC control system 3 includes human-computer interaction interface module 31,
Human-computer interaction interface module 31 drives electric cylinders 12 to move by PLC 11, and electric cylinders 12 first put lens to be measured
Enter preheating station 13 to be preheated, then preheating station 13 and detection station 14 are carried out 180 degree and exchanged by electric cylinders 12, are preheated
Lens to be measured afterwards, which are entered in detection station 14, to be detected, lens to be measured in the acquisition testing station 14 of CCD camera 21
Light shape, the light graphic data of the lens to be measured collected is transferred to video processing board-card 23 and carries out analog-to-digital conversion by CCD camera 21,
The light graphic data of lens to be measured after analog-to-digital conversion is transferred to human-computer interaction interface module 31 and carried out at analysis by video processing board-card 23
Reason, human-computer interaction interface module 31 filter out underproof lens of car light.
In order to ensure the stability of detection performance, lens to be measured need to be preheated, the machine of the on-line detecting system of the lens of car light
There are two stations tool part：Preheating station 13 and detection station 14.Lens to be measured are put into preheating station 13 first, lighted pre-
Hot 15s, preheating station 13 is then subjected to 180 degree with detection station 14 and exchanged, preheated lens to be measured are detected,
The lens detected take out from detection station 14, accomplish fluently mark and place, place into new lens to be measured to preheating station 13, such as
This loop control, substantially increase the efficiency of on-line checking.
IMAQ includes CCD camera 21, camera lens 22 and video processing board-card 23 with processing system 2, uses CCD camera
The light shape of 21 collection lens to be measured, is transferred to video processing board-card 23 and is handled, wherein, CCD camera 21 has highly sensitive
The characteristics of degree and high-resolution, camera lens 22 is installed on CCD camera 21, different focal lengths can be configured, realization is treated
The light shape for surveying lens is accurately gathered.
Human-computer interaction interface module 31 is analyzed the light graphic data of the lens to be measured after analog-to-digital conversion, by contrasting default mark
Difference between quasi- image and measurand image, set acceptable scope.
The on-line detecting system of lens of car light also includes digital current meter 4, and digital current meter 4 passes through RS232 serial ports and PC
Control system 3 is communicated, and digital current meter 4 is given people the operating current transmission of the lens to be measured measured by RS232 serial ports
Machine interactive interface module 31 is analyzed and processed.Human-computer interaction interface module 31 passes through RS232 serial port setting digital currents meter 4
Detection current parameters, human-computer interaction interface module 31 by RS232 serial ports to digital current meter 4 send current detecting instruct.
Human-computer interaction interface module 31 combines current detecting, the performance of image detection threshold value comprehensive descision lens to be measured, filters out not
Qualified lens of car light.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are further described,
The specific embodiment that the foregoing is only the present invention is should be understood that, is not intended to limit the invention, it is all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvements done etc., should be included in protection scope of the present invention it
It is interior.
Claims (3)
- A kind of 1. on-line detecting system of lens of car light, it is characterised in that：Including PLC control system (1), IMAQ with Processing system (2) and PC control system (3), described PLC control system (1) include PLC (11), Electric cylinders (12), preheating station (13) and detection station (14)；Described IMAQ includes CCD with processing system (2) Camera (21), camera lens (22) and video processing board-card (23), described camera lens (22) are arranged on CCD camera (21) On；Described PC control system (3) includes human-computer interaction interface module (31),Human-computer interaction interface module (31) drives electric cylinders (12) to move by PLC (11), described electric cylinders (12) Lens to be measured are put into preheating station (13) first to be preheated, then electric cylinders (12) by preheating station (13) and detect work Position (14) carries out 180 degree and exchanged, and the lens to be measured after preheating are entered in detection station (14) and detected, described CCD The light shape of lens to be measured in camera (21) acquisition testing station (14), described CCD camera (21) is by what is collected The light graphic data of lens to be measured is transferred to video processing board-card (23) and carries out analog-to-digital conversion, and video processing board-card (23) is by analog-to-digital conversion The light graphic data of lens to be measured afterwards is transferred to human-computer interaction interface module (31) and analyzed and processed, human-computer interaction interface module (31) underproof lens of car light is filtered out.
- A kind of 2. on-line detecting system of lens of car light according to claim 1, it is characterised in that：The lens of car light On-line detecting system also includes digital current meter (4), and described digital current meter (4) is controlled by RS232 serial ports and PC System (3) is communicated, and described digital current meter (4) is by RS232 serial ports by the operating current of the lens to be measured measured Human-computer interaction interface module (31) is transferred to be analyzed and processed.
- A kind of 3. on-line detecting system of lens of car light according to claim 2, it is characterised in that：Described man-machine interaction Interface module (31) passes through the detection current parameters of RS232 serial port setting digital current meters (4), described man-machine interaction circle Face mould block (31) sends current detecting to digital current meter (4) by RS232 serial ports and instructed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410101.5A CN107490466A (en) | 2016-06-12 | 2016-06-12 | A kind of on-line detecting system of lens of car light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410101.5A CN107490466A (en) | 2016-06-12 | 2016-06-12 | A kind of on-line detecting system of lens of car light |
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| Publication Number | Publication Date |
|---|---|
| CN107490466A true CN107490466A (en) | 2017-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410101.5A Pending CN107490466A (en) | 2016-06-12 | 2016-06-12 | A kind of on-line detecting system of lens of car light |
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| CN (1) | CN107490466A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627322A (en) * | 2018-02-08 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of matrix LED car light on-line detecting system |
| CN110186657A (en) * | 2019-05-29 | 2019-08-30 | 常州星宇车灯股份有限公司 | Fog lamp CCD electric-examination equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269804Y (en) * | 2008-05-24 | 2009-07-08 | 比亚迪股份有限公司 | Front light detection device for vehicle |
| CN103234737A (en) * | 2013-04-26 | 2013-08-07 | 上海理工大学 | Detection system of light distribution characteristic of ellipsoid unit and method thereof |
| CN103868678A (en) * | 2014-01-07 | 2014-06-18 | 无锡市嘉立德科技有限公司 | Headlamp light shape inspection machine frame and headlamp light shape inspection system |
| CN205300898U (en) * | 2016-01-06 | 2016-06-08 | 武汉正光汽车装备有限公司 | Automated inspection associated working platform is examined to car light light, gas |
| CN205879493U (en) * | 2016-06-12 | 2017-01-11 | 常州星宇车灯股份有限公司 | On -line measuring system of car light lens |
-
2016
- 2016-06-12 CN CN201610410101.5A patent/CN107490466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269804Y (en) * | 2008-05-24 | 2009-07-08 | 比亚迪股份有限公司 | Front light detection device for vehicle |
| CN103234737A (en) * | 2013-04-26 | 2013-08-07 | 上海理工大学 | Detection system of light distribution characteristic of ellipsoid unit and method thereof |
| CN103868678A (en) * | 2014-01-07 | 2014-06-18 | 无锡市嘉立德科技有限公司 | Headlamp light shape inspection machine frame and headlamp light shape inspection system |
| CN205300898U (en) * | 2016-01-06 | 2016-06-08 | 武汉正光汽车装备有限公司 | Automated inspection associated working platform is examined to car light light, gas |
| CN205879493U (en) * | 2016-06-12 | 2017-01-11 | 常州星宇车灯股份有限公司 | On -line measuring system of car light lens |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627322A (en) * | 2018-02-08 | 2018-10-09 | 常州星宇车灯股份有限公司 | A kind of matrix LED car light on-line detecting system |
| CN110186657A (en) * | 2019-05-29 | 2019-08-30 | 常州星宇车灯股份有限公司 | Fog lamp CCD electric-examination equipment |
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Application publication date: 20171219 |
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| RJ01 | Rejection of invention patent application after publication |