CN202119887U - Inspecting device for quality of light-emitting diode (LED) lamp of sensor - Google Patents
Inspecting device for quality of light-emitting diode (LED) lamp of sensor Download PDFInfo
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- CN202119887U CN202119887U CN2011202341712U CN201120234171U CN202119887U CN 202119887 U CN202119887 U CN 202119887U CN 2011202341712 U CN2011202341712 U CN 2011202341712U CN 201120234171 U CN201120234171 U CN 201120234171U CN 202119887 U CN202119887 U CN 202119887U
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Abstract
The utility model discloses an inspecting device for quality of a light-emitting diode (LED) lamp of a sensor, which comprises a flat plate base. A fixed support and a product placing fixture are installed on the flat plate base, a movable support is arranged on the fixed support, and a visual sensor is installed on the movable support and aligns at the product placing fixture. An inputting part is installed in the middle of the fixed support, and the inputting part and the visual sensor are connected with a programmable logic controller (PLC) which is further connected with a buzzer. The visual sensor, the inputting part and the PLC are connected with a power supply in supplying mode. The inspecting device for quality of the LED lamp of the sensor serves as a solution for automatically inspecting quality of the LED lamp and has the advantages of being capable of effectively inspecting whether an LED lamp is normal or not and whether can work normally or not, avoiding judging errors caused by visual fatigue of manual inspection, and preventing defective produces from flowing out. The inspecting device for quality of the LED lamp of the sensor is simple and effective in operation and easy to achieve.
Description
Technical field
The utility model relates to a kind of LED characteristic of a navigation light amount checkout facility, the checkout facility of LED characteristic of a navigation light amount on the general proximity transducer of particularly a kind of Omron E2E.
Background technology
The proximity transducer of Omron production at present has E2E, E2EC, E2EM, E2EQ, E2ES, E2EV, E2EY, E2EZ or the like, is applicable under each field, each environment, the various condition, and product is kind more than 2,300 nearly.Customer complaint in the recent period, LED action indicator, the status indicator lamp of E2E product can't operate as normal.
The position of the LED lamp of product is positioned at lead and product binding site, and after product was installed, the staff can judge the state of product through the variation of viewing lamp.The LED lamp plays important effect as a status indicator lamp.Yet in the production line of moment sensor, the detection of LED still leans on naked eyes to detect inefficiency.Because misjudgment very easily appears in the restriction of the fatigue strength of human eye, causes the outflow of defective products.
For the reply defective products flows out, making one cover is used as urgent countermeasure based on the inspection machine of vision sensor, through using vision sensor, manual detection is changed over machine detect, and lifting detects the automaticity of station, thoroughly stops the situation of defective products outflow.And design is based on checkout equipment and the method for operating thereof of the LED of vision sensor.The related relevant rudimentary technology of solution mainly contains following content:
1. vision sensor is technological
In the process of human perception external information, the information that obtains through vision accounts for more than 80% of full detail amount.Therefore; Vision sensor that can the analog vision function obtains increasing concern gradually; Particularly Along with computer technology and automatic technology advances by leaps and bounds; Theory on computer vision obtains rapid progress and development, and vision sensor and vision-based detection and control system constantly are applied in every field, and becomes one of very active focus content in current scientific and technical research field.
Before soon, the slip-stick artist of designing quality control system also has in some kinds of check options, make a choice, and does not have a kind of being entirely satisfactory.These options comprise expensive single-use vision system, many arrays low-function photoelectric sensor, and be subject to tired and the human eye check of concentrated influence of energy.Yet nowadays state-of-the-art vision sensor just combines the optimum performance of classic method with beyond example speed, degree of accuracy, size and cost advantage.Vision sensor has been widely applied in the detection system of every field such as military affairs, scientific research, industry, agricultural, commerce, traffic, environmental protection, medical treatment, health, meteorology, ocean, aviation, household electrical appliance and department, becomes requisite key link in the modern checkout equipment.
Vision sensor has the ability of catching thousands of pixels of light from an entire image.Clear and the fine and smooth degree of image is weighed with resolution usually, representes with pixel quantity.Therefore, no matter distance objective number centimetre or number Mi Yuan, sensor can both " be seen " fine and smooth target image.After catching image, vision sensor compares the benchmark image of storing in itself and the internal memory, to make analysis.In addition, no matter unit under test is arranged in which position of visual field, and no matter whether these parts rotate in 360 degree scopes, and vision sensor can both be made judgement.Its main element has:
(1) illumination
In vision sensor was used, illumination was most important technical factor.The type of light source and position are directly connected to the image that whether can create out the maximum target background contrasts;
(2) instrument
Vision sensor uses algorithm to analyze the image that it is caught.Vision sensor of many uses, complete function provides multiple algorithm (being known as instrument sometimes); Low-cost vision sensor possibly include only an instrument; The both has the application that self is fit to, and the complicacy owing to image in native system has determined to need to adopt many algorithms vision sensor.
After vision sensor obtains the piece image data, need carry out a series of images work of treatment.Comprising figure image intensifying, image filtering, rim detection and iamge description and identification etc.
2. machine vision and NI Vision Builder for Automated Inspection
Machine vision replaces human eye to do measurement and judgement with machine exactly.NI Vision Builder for Automated Inspection is meant through machine vision product (image-pickup device; Divide CMOS and two kinds of CCD) Target Transformation that will detect becomes digital quantity signal; These digital quantity signals send special-purpose image processing system (dividing embedded and video mode) again to, and the machine vision image processing system is provided with the detection task according to the mission requirements that will detect.Control on-the-spot device motion according to discrimination result then.
The formation of vision detection system generally is made up of links such as light source, camera lens, picture pick-up device, image memory bank, monitor and computer systems.Light source is that vision system provides enough illumination, and camera lens on the image planes of vision sensor (being picture pick-up device), and changes the target imaging in the tested scene into composite video signal.The image memory bank is responsible for changing TV signal into digital picture, is the brightness transition of every bit gray-scale data promptly, and storage one or more image.The computer system of back is responsible for image is handled, analyzes, judged and discerns, is finally provided measurement result.The vision sensor of narrow sense can only comprise picture pick-up device, and the vision sensor of broad sense can also comprise parts such as light source, image memory bank and microprocessor, and picture pick-up device is equivalent to the sensitive element of sensor except camera lens and picture pick-up device.As referred to herein is the broad sense vision sensor.Occurred partly integrated digital devices together such as picture pick-up device and image memory bank and microprocessors at present, this is the vision sensor on the complete meaning.
3. Programmable Logic Controller----PLC
Programmable Logic Controller is called programmable logic controller (PLC), and (Programmable Logic Controller, PLC), it mainly is used for replacing relay to realize logic control.It is simple in structure, is easy to programming, superior performance, and reliability is high, and is agile and all-purpose, easy to use.In the automatic control of industrial processes, being used widely, is one of main pillar of the contemporary industry production automation.Along with the development of technology, the function of the industrial control device of this employing Microcomputer Technology has substantially exceeded the scope of logic control, and therefore, today, this device was called Programmable Logic Controller, is called for short PC.
The utility model content
The utility model is to the inferior position of the manual detection of E2E product and promptly to tackle product bad; Proposed to utilize vision sensor to replace the solution of human eye detection E2E LED lamp; And designed the checkout facility of LED characteristic of a navigation light amount on the general proximity transducer of an Omron E2E; Through in the detection station of production line, use this checkout facility and improve its automaticity, the feasibility of test macro; Drawn and utilized vision sensor to replace human eye to detect, realized Automated inspection with accurate judgement.
The utility model solves the technical scheme that its technical matters adopted:
A kind of checkout facility of sensor LED characteristic of a navigation light amount; Comprise a flat base; Fixed support and product are installed on said flat base place anchor clamps; Said fixed support is provided with the moveable support, on said travel(l)ing rest, vision sensor is installed, and said vision sensor is aimed at said product and placed anchor clamps; At said support bracket fastened middle part input block is installed, said input block is connected with a PLC controller with vision sensor, and said PLC controller also connects with hummer; Said vision sensor, input block and PLC controller are connected with power supply power supply.
Said product is placed anchor clamps and is comprised that one is fixed on the trough of belt base and back plate on the said flat base, and said back plate is close to the rear end face of said trough of belt base, and said trough of belt base is provided with staged product mounting groove.
Plate is provided with the detection iron plate corresponding to the position of said staged product mounting groove in said back.
On said input block, also be provided with four test button, wherein the white detection button is two, one of red test button, one of yellow test button.
The utility model is used to place the E2E product through design one sleeve clamp and mounting system, and hardware devices such as PLC, sensor, power supply, Touch Finder are installed.
The placement anchor clamps effect of product: place the E2E product, can make E2E product triggered as normal, make the LED lamp of E2E light.Anchor clamps that need be different according to the production of different model.
On the flat base of the utility model, fixed support is installed, transportable travel(l)ing rest is installed on fixed support, on travel(l)ing rest, install vision sensor, travel(l)ing rest can be adjusted height and angle; Make its product of aiming at the below place anchor clamps.At the fixed support middle part input block (Touch Finder), the NG or the OK picture that make operating personnel can see that vision sensor is judged are installed; Adjustment when debugging and installing to adapt to.
Product is placed the back plate of anchor clamps can settle the detection iron plate; According to the product acting characteristic: often open, normally closed two types, whether select the installation and measuring iron plate.When the product action form when often opening type, select the installation and measuring iron plate; When the product action form is normally closed type, select not installation and measuring iron plate.
The trough of belt base has staged product mounting groove, according to the specification of product, according to the non-steady state of different product apart from making.
Vision sensor is connected with the PLC controller through FQ Ethernet Cable connecting line with input block (Touch Finder).
Beneficial effect
The utility model design is also developed semi-automatic general proximity transducer LED inspection machine, can effectively detect the LED lamp and whether normally reach works, and avoid the misjudgment that visual fatigue produced because of manual detection, prevents that bad product from flowing out.This cover checkout facility and method are simple to operate effectively, are easy to realize.Final goal can realize it is joined in the already present E2E characteristic check machine, improves automatization level.
Description of drawings
Further specify the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the checkout facility operational flowchart of the utility model sensor LED characteristic of a navigation light amount.
Fig. 2 is the electrical schematic diagram of the checkout facility of the utility model sensor LED characteristic of a navigation light amount.
Fig. 3 is the structural representation of the checkout facility of the utility model sensor LED characteristic of a navigation light amount.
Fig. 4 is that the product of the utility model is placed the clamp structure synoptic diagram.
Label among the figure:
1, back plate, 2, detect iron plate, 3, flat base, 4, the trough of belt base, 5, fixed support, 6, vision sensor, 7, input block, 8, product places anchor clamps, 9, travel(l)ing rest, 10, staged product mounting groove.
Embodiment
Below in conjunction with the practical implementation illustration, further set forth the utility model.
Based on the design content of the checkout facility of the sensor LED characteristic of a navigation light amount of vision sensor is that structural design, circuit design, PLC programming, product are placed jig Design etc.Method for designing may further comprise the steps:
1) adopt vision sensor 6 as the automatic testing tool of the front end of led color;
2) adopt the control module of CPM2A PLC as functions such as the triggering of vision sensor, judgement, scene switchings, and coding software, to realize automation mechanized operation; The PLC programming adopts Omron CX-one 2.0.
3) dependency structure of employing Machine Design software design checkout facility comprises anchor clamps, support; The software that adopts is Solidworks 2010.
Adopt the front end sensing equipment of the FQ-S2 of OMRON company as the inspection machine system.FQ-S2 type sensor can carry out 32 kinds of detections simultaneously, has 32 kinds of scenes to select, the supporting location compensate function, and the FQ-S2 sensor comes identifying object according to " surface " characteristic of object.The object (past is all distinguished by manual work) that detection and Identification quickly and accurately are different.
Checkout facility referring to Fig. 3 and a kind of sensor LED characteristic of a navigation light amount shown in Figure 4; Comprise a flat base 1; Fixed support 5 is installed on flat base 1 places anchor clamps 8 with product; Fixed support 5 is provided with moveable support 9, and vision sensor 6 is installed on travel(l)ing rest 9, and vision sensor 6 is aimed at product and placed the general proximity transducer of Omron E2E on the anchor clamps 8; Input block (Touch Finder) 7 is installed at the middle part of fixed support 5, and input block (Touch Finder) 7 is connected with a PLC controller with vision sensor 6, and the PLC controller also connects with hummer.On input block (Touch Finder) 7, also be provided with four test button, wherein the white detection button is two, one of red test button, one of yellow test button.Vision sensor 6, input block (Touch Finder) 7 and PLC controller are connected with power supply power supply.
Product is placed anchor clamps 8 and is comprised that one is fixed on the trough of belt base 4 and back plate 1 on the flat base 1, and back plate 1 is close to the rear end face of trough of belt base 4, and trough of belt base 4 is provided with staged product mounting groove 10.Plate 1 can be provided with detection iron plate 2 as required corresponding to the position of staged product mounting groove 10 in the back.
Staged product mounting groove 10 sizes of trough of belt base 4 are made according to product appearance size (M8, M12, M18, M30).Vision sensor 6 is to be connected with the PLC controller through the special connecting line of FQEthernet Cable with the connected mode of input block (Touch Finder) 7.Vision sensor 6 is the I/O bus communication with the communication mode of PLC.
That PLC partly uses is CPM2A-20CDT-D, and 20 input and output leakage type PLC have the input (output of 00.00～0.11 and 8 point (10.00～10.08) of 12 points.
What power supply used is the S8VS-06024 power supply that OMRON produces, the output of 24V direct current.
The workflow of the checkout facility of this sensor LED characteristic of a navigation light amount is as shown in Figure 1:
(1) selects scene mode (red detection, yellow detection, red green test)
(2) operative employee carefully connects the wire the general proximity transducer of Omron E2E and is placed on product and places in the staged product mounting groove 10 of trough of belt base 4 of anchor clamps 8;
(3) press test button on the input block (Touch Finder) 7, vision sensor 6 is judged according to the picture that collects;
(4) NG, not buzzing, and show the NG picture.Then buzzing one of OK shows the OK picture;
(5) if under the red green scene mode, the red detection then behind OK, automatically switches to green test;
(6) operative employee presses the test button on the input block (Touch Finder) 7, and vision sensor 6 is judged according to the picture that collects;
(7) NG shows NG picture, not buzzing; Then buzzing two of OK shows the OK picture.Detect and finish;
Attention: it is after its resistance test that the LED of the general proximity transducer of Omron E2E detects, and the wiring of the general proximity transducer of Omron E2E is not taken off, but then does the detection of LED lamp, so do not need wiring.
See Fig. 2; The loop design of the checkout facility of sensor LED characteristic of a navigation light amount designs according to the requirement in the systems organization, and various required article are: vision sensor 6, input block (Touch Finder) 7, one of S8VS power supply, one of CPM2A PLC, one of hummer etc.Two of white color knob on the input block (Touch Finder) 7, one of red button, one of yellow button.
PLC accepts the control of four buttons on the input block (Touch Finder) 7 as IOCC, and output terminal is controlled hummer simultaneously; Black, orange on vision sensor 6 parts, Lan Sanse insert the input port of PLC, and other each colors are received the output port of PLC; Vision sensor 6 brown blue dichromatisms are received respectively on the positive and negative level of S8VS power supply; Connect the power supply of positive and negative polarities and COM end according to the power supply mark of PLC; Through the program of PLC intercompilation and the signal of outside input; Checkout facility is made control, comprise that the detection action control of the piping of hummer, vision sensor 6, the scene of vision sensor 6 switch or the like.
The PLC program has mainly realized outside input and output, work such as the triggering of control vision sensor, judgement, scene switching.Program part I/O table is shown in following form one:
Address 0.03,0.04,0.05,0.06 is the external control button, is respectively start button, red pattern selector button, yellow mode selector button, red green mode button; Address 10.07 is hummer control output.
The scene of whole checkout facility is switched, input and output control, and the realization of vision sensor 6 functions all is that the PLC program of writing realizes.
What use being connected of CPM2A series of PLC and computer is the RS232 port.Make of the connecting line use of the connecting line of a RS232 as PLC and computer.
Product is placed anchor clamps 8 effects: place the general proximity transducer of Omron E2E, can make the general proximity transducer triggered as normal of Omron E2E, make the LED lamp of the general proximity transducer of Omron E2E light.Anchor clamps that need be different according to the production of different model.Shown in form two.
| Title | Material | Size mm |
| Flat base 1 | Bakelite | 80*80*8 |
| Detect |
Japan's iron plate | 18*18*1 |
| Back plate 1 | POM | 60*60*8 |
| Trough of |
POM | The 60*30*20R9 groove |
Detecting iron plate 2 selects to be divided into according to producing the detection specification: 8*8*1,12*12*1,18*18*1,30*30*1.
The adjusting of the checkout facility of sensor LED characteristic of a navigation light amount with set as follows:
The first step: height and angular adjustment.After checkout facility installs, need adjust the part of checkout facility.At first the height of vision sensor 6 is regulated, and the vertical visual field of vision sensor 6 approximately is 60% of a horizontal field of view.Set according to maximum sized product M30 and vision sensor 6 setting reference diagrams, approximately need the 115mm height,, obtained more scalable surplus, select the height about 200mm to set in order to obtain the bigger visual field.
Second step: focus adjustment.After height setting is accomplished, open vision sensor 6, the angle that the contrast picture is regulated vision sensor 6 makes the position of the LED lamp of the general proximity transducer of Omron E2E be placed into the center of picture as much as possible.Adjust the focal length of vision sensor 6 then, this vision sensor 6 is the function of focusing automatically not, needs manual adjustment, uses one to carry out the adjusting of focal length to Phillips screwdriver.Because the effect of current checkout facility mainly is that color is carried out interpretation, the picture clearly that the transfer of focal length need not be regulated, the shape that is adjusted to a round dot is more suitable for the setting of this checkout facility.
The 3rd step: vision sensor 6 is set.Open vision sensor 6 position compensation functions (Position compensation), open this function, can make vision sensor 6 better judge.It is carried out rational picture carry out teaching (being exactly to import a correct picture to use as contrast), regulate appropriate threshold (reasonable range), vision sensor 6 can be worked well by system.Then test item is set, selected color to judge, then it is carried out teaching, then regulate threshold value, make and to work well.
The 4th step: after vision sensor 6 configures, get into test pattern, test pattern is exactly in collection that is interrupted and judgment model, with this pattern can interpretation go out whether several steps of front set rationally.Make an experiment repeatedly and set (getting back to several steps of front), make the operation that sensor can be good.
The 5th step: this test pattern is stored.It is optional to have 32 memory locations.Red, yellow, green, redness are saved as 0,1,2,3 respectively.Get into operational mode then.
Operation instructions
At first plug the general proximity transducer power supply of Omron E2E; Connect the connecting line of the general proximity transducer of Omron E2E, click the red and green color mode button, then E2E general proximity transducer in Omron is placed to product and places in the darker groove of the staged product mounting groove 10 of trough of belt base 4 of anchor clamps 8; The back plate 1 that it can be pushed up; Near detecting iron plate 2, the green stable pilot lamp of the LED on the general proximity transducer of Omron E2E this moment lights, and presses the test button on the input block (Touch Finder) 7; Show the OK picture on input block this moment (Touch Finder) 7, hummer rings one; Just E2E general proximity transducer in Omron is placed to product and places in the more shallow groove of the staged product mounting groove 10 of trough of belt base 4 of anchor clamps 8 then; This time red LED lamp lights; Press the test button on the input block (Touch Finder) 7; Show the OK picture on input block this moment (Touch Finder) 7, hummer rings two.Then change another product, test.After testing several times repeatedly, EOT.Inspection machine can operate as normal.
More than show and described ultimate principle and the principal character and the operation instructions of the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. the checkout facility of a sensor LED characteristic of a navigation light amount; Comprise a flat base; Fixed support and product are installed on said flat base place anchor clamps; Said fixed support is provided with the moveable support, on said travel(l)ing rest, vision sensor is installed, and said vision sensor is aimed at said product and placed anchor clamps; At said support bracket fastened middle part input block is installed, said input block is connected with a PLC controller with vision sensor, and said PLC controller also connects with hummer; Said vision sensor, input block and PLC controller are connected with power supply power supply.
2. the checkout facility of sensor LED characteristic of a navigation light amount as claimed in claim 1; It is characterized in that; Said product is placed anchor clamps and is comprised that one is fixed on the trough of belt base and back plate on the said flat base; Said back plate is close to the rear end face of said trough of belt base, and said trough of belt base is provided with staged product mounting groove.
3. the checkout facility of sensor LED characteristic of a navigation light amount as claimed in claim 2 is characterized in that, plate is provided with the detection iron plate corresponding to the position of said staged product mounting groove in said back.
4. the checkout facility of sensor LED characteristic of a navigation light amount as claimed in claim 1 is characterized in that, on said input block, also is provided with four test button, and wherein the white detection button is two, one of red test button, one of yellow test button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202341712U CN202119887U (en) | 2011-07-05 | 2011-07-05 | Inspecting device for quality of light-emitting diode (LED) lamp of sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202341712U CN202119887U (en) | 2011-07-05 | 2011-07-05 | Inspecting device for quality of light-emitting diode (LED) lamp of sensor |
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| Publication Number | Publication Date |
|---|---|
| CN202119887U true CN202119887U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202341712U Expired - Fee Related CN202119887U (en) | 2011-07-05 | 2011-07-05 | Inspecting device for quality of light-emitting diode (LED) lamp of sensor |
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| CN (1) | CN202119887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346929A (en) * | 2013-07-03 | 2013-10-09 | 华高王氏科技（深圳）有限公司 | Detection device for communication device and use method thereof |
| CN103576099A (en) * | 2013-07-30 | 2014-02-12 | 大连工业大学 | LED lamp flicking testing system and implementation testing method thereof |
-
2011
- 2011-07-05 CN CN2011202341712U patent/CN202119887U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346929A (en) * | 2013-07-03 | 2013-10-09 | 华高王氏科技（深圳）有限公司 | Detection device for communication device and use method thereof |
| CN103346929B (en) * | 2013-07-03 | 2017-04-19 | 广州索诺星信息科技有限公司 | Detection device for communication device and use method thereof |
| CN103576099A (en) * | 2013-07-30 | 2014-02-12 | 大连工业大学 | LED lamp flicking testing system and implementation testing method thereof |
| CN103576099B (en) * | 2013-07-30 | 2017-04-12 | 大连工业大学 | LED lamp flicking testing system and implementation testing method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20120705 |