CN104280394B - Device and method for detecting three-way catalyst - Google Patents
Device and method for detecting three-way catalyst Download PDFInfo
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- CN104280394B CN104280394B CN201410440816.6A CN201410440816A CN104280394B CN 104280394 B CN104280394 B CN 104280394B CN 201410440816 A CN201410440816 A CN 201410440816A CN 104280394 B CN104280394 B CN 104280394B
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- catalyzing unit
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Abstract
The invention discloses a device and a method for detecting a three-way catalyst. The device for detecting the three-way catalyst comprises a rack, and a visual detection system, a conveying mechanism and a program controller which are arranged on the rack, wherein the visual detection system comprises a camera and an industrial personal computer which is connected with the camera; the industrial personal computer is used for controlling the camera to shoot, receiving image information shot by the camera and analyzing the percentage of plugged hole of the three-way catalyst; the conveying mechanism is used for conveying the to-be-detected three-way catalyst to a shooting area and outputting the shot three-way catalyst out of the shooting area; the industrial personal computer and the conveying mechanism are respectively connected with the program controller; the program controller is used for receiving an analysis result of the industrial personal computer so as to control the conveying mechanism to output the shot three-way catalyst out of the shooting area. According to the device for detecting the three-way catalyst, the hole surface of the three-way catalyst is shot by the camera; the industrial personal computer is used for processing the images and detecting the percentage of plugged hole; the automatic optical inspection is achieved; the device for detecting the three-way catalyst is high in efficiency and high in detection stability; meanwhile, the labor is greatly alleviated.
Description
Technical field
The present invention relates to a kind of ternary catalyzing unit testing equipment and detection method.
Background technology
In prior art, ternary catalyzing unit is mounted in most important outer purifier in automobile exhaust system, and it can
The harmful gass such as co, hc and nox that vehicle exhaust is discharged are changed into harmless carbon dioxide, water by oxidation and reduction
And nitrogen, the carrier body of ternary catalyzing unit is one piece of porous ceramic film material.In order to prevent substandard product from being ternary catalyzing unit
The serious product of plug-hole flow out, need the plug-hole of ternary catalyzing unit is detected, and the detection method adopting at present be universal
For visual inspection, visually inspected by staff.And because this Visual detection methods rely primarily on personnel, therefore deposit
In number of drawbacks, e.g., sight check loss is higher, testing result is unstable, personnel easily fatigue, impact testing result,
Work efficiency is low, manual record and the low easy error of statistical data, efficiency etc..
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of ternary catalyzing unit testing equipment.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention adopts is: a kind of ternary catalyzing unit detection sets
It is standby, comprising:
Frame；
Vision detection system, described vision detection system is arranged in described frame, and it is included for being pointed to clap
Take the photograph the industrial computer that the camera that the through-hole face of the ternary catalyzing unit in region shot is connected with described camera, described work
Control machine controls described camera to shoot, and receives the pictorial information from described camera shooting and analyze this ternary catalyzing unit
Percentage of plugged hole；
Conveying mechanism, described conveying mechanism is used for ternary catalyzing unit to be detected being delivered to shooting area and shooting
Good ternary catalyzing unit output shooting area；
Cyclelog, described industrial computer, described conveying mechanism are connected with described cyclelog respectively, institute
The cyclelog stated is used for receiving the analysis result being derived from described industrial computer thus will shoot to described conveying mechanism
Ternary catalyzing unit output shooting area be controlled.
In some embodiments, described conveying mechanism includes input side conveyer belt, for passing described input side
The ternary catalyzing unit on band is sent to remove to the input side mechanical hand of described shooting area, outlet side conveyer belt, be used for urging ternary
Change device and removed the outlet side mechanical hand to described outlet side conveyer belt by shooting area.
Further embodiment, described frame is provided with for the input side mechanical hand described in Synchronization Control and institute
The manipulator control mechanism that the outlet side mechanical hand stated is synchronized with the movement.
Further, described manipulator control mechanism include length along the movement of left and right horizontal direction transverse strands,
Longitudinal frame of being extended along above-below direction by the length that horizontal servo control mechanism is slidably arranged in described transverse strands, by indulging
It is slidably arranged in the manipulator seat on described longitudinal frame, described input side mechanical hand and described outlet side machinery to servo control mechanism
Handss are individually fixed in the described left and right sides portion of manipulator seat, described horizontal servo control mechanism and described servo longitudinal machine
Structure is connected with described cyclelog respectively.
Another further embodiment, the side of described input side conveyer belt is provided with supplied materials and puts in place induction apparatuss, institute
The supplied materials the stated induction apparatuss that put in place are connected with described cyclelog.
In some embodiments, described conveying mechanism also include bad positioned at described outlet side conveyer belt side
Product rejecting mechanism, described defective products rejecting mechanism includes receiving the mistake of the ternary catalyzing unit from described conveying mechanism output
Cross conveyer belt, be located at the described defective products platform of transition belt side, be located at pushing away of described transition transmission belt opposite side
Handss, described pushing hands is arranged in described frame by horizontally disposed pushing hands cylinder slide, described transition belt, institute
The pushing hands cylinder stated is connected with described cyclelog.
In some embodiments, the size of the sensitive chip of described camera is more than one inch, the mirror of described camera
Head is telecentric lens, and lens ratio is less than 0.1 times.
Further, described vision detection system also includes the reading for reading ternary catalyzing unit bar code to be detected
Code device, described code reader is connected with described industrial computer.
In some embodiments, described shooting area include for place ternary catalyzing unit transparent glass platform,
Backlight below described transparent glass platform.
The invention solves the problems that another technical problem be provide a kind of detection ternary catalyzing unit percentage of plugged hole detection method.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention adopts is: one kind is urged with above-mentioned any ternary
Change the detection method that device testing equipment detects ternary catalyzing unit percentage of plugged hole, comprise the following steps:
Step one: cyclelog controls conveying mechanism that ternary catalyzing unit to be detected is delivered to shooting area；
Step 2: cyclelog sends a signal to industrial computer, industrial computer controls described camera to ternary catalyzing unit
Hole face is shot；
Step 3: industrial computer receives the pictorial information being shot by described camera, and pictorial information is carried out with following process:
1st, all for ternary catalyzing unit holes are all split, that is, be divided into several lattices equal-sized, this is little
Grid spaces are close with hole size；
2nd, in division, grid spaces out are processed, and filter out the grid of plug-hole, and calculate number
3rd, finally by plug-hole number divided by total number, analysis obtains the percentage of plugged hole of this ternary catalyzing unit；
Step 4: aforesaid percentage of plugged hole analysis result is fed back to cyclelog by industrial computer, cyclelog is according to stifled
Porosity analysis result controls conveying mechanism that this ternary catalyzing unit is moved away from shooting area.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be contained simultaneously
Cover the other technical schemes being carried out combination in any and being formed by above-mentioned technical characteristic or its equivalent feature.Such as features described above and basis
(but not limited to) disclosed in application has technical scheme that the technical characteristic of similar functions is replaced mutually and formed etc..
Because technique scheme is used, the present invention compared with prior art has the advantage that ternary using camera
The hole face of catalyst converter is filmed, and carries out processing detection by industrial computer to picture and analyzes percentage of plugged hole, realizes automated optical
Check, efficiency high, detection stability are high, and greatly reduce labour force.
Brief description
Accompanying drawing 1 is the schematic diagram of ternary catalyzing unit testing equipment；
Accompanying drawing 2 is the schematic diagram of conveying mechanism；
Wherein: 1, frame；2nd, vision detection system；21st, camera；211st, camera lens；22nd, industrial computer；3rd, conveying mechanism；31、
Input side conveyer belt；33rd, input side mechanical hand；32nd, outlet side conveyer belt；34th, outlet side mechanical hand；35th, manipulator control machine
Structure；351st, transverse strands；352nd, longitudinal frame；353rd, manipulator seat；4th, defective products rejecting mechanism；41st, transition belt；42nd, bad
Product platform；43rd, pushing hands；44th, pushing hands cylinder；5th, supplied materials puts in place induction apparatuss；6th, shooting area；61st, transparent glass platform；62nd, carry on the back
Light source.
Specific embodiment
As shown in accompanying drawing 1,2, a kind of ternary catalyzing unit testing equipment, comprising:
Frame 1；
Be arranged at the vision detection system 2 in frame 1, vision detection system 2 include for be pointed to shooting area 6 three
The industrial computer 22 that the camera 21 that the through-hole face of first catalyst converter is shot is connected with camera 21, industrial computer 22 is similar to computer master
Machine, industrial computer 22 has database storage function, can deposit a large amount of historical datas, be easy to retrieve, and also can when export inspection
Survey result, directly generate statistical result report, be easy to analyze；
Industrial computer 22 controls camera 21 to shoot, and receives the pictorial information shooting from camera 21 and analyze this ternary and urge
Change the percentage of plugged hole of device；
It is arranged at the conveying mechanism 3 in frame 1, conveying mechanism 3 is used for for ternary catalyzing unit to be detected being delivered to shooting
The ternary catalyzing unit having shot simultaneously is exported shooting area 6 by region 6；
Cyclelog, industrial computer 22, conveying mechanism 3 are connected with cyclelog respectively, and cyclelog is used for connecing
Receive the analysis result from industrial computer 22 and carry out thus shooting area 6 is exported by the ternary catalyzing unit having shot to conveying mechanism 3
Control.
In the present embodiment, the structure of conveying mechanism 3, including input side conveyer belt 31, it is used for input side conveyer belt 31
Ternary catalyzing unit remove to the input side mechanical hand 33 of shooting area 6, outlet side conveyer belt 32, for by ternary catalyzing unit by clapping
Take the photograph region 6 and remove the outlet side mechanical hand 34 to outlet side conveyer belt 32.Shooting area 6 is fixedly installed in frame 1, shoots area
Domain 6 includes, for the transparent glass platform 61 placing ternary catalyzing unit, the backlight 62 being located at transparent glass platform 61 lower section, clapping
Take the photograph effect preferable, more visible.Input side conveyer belt 31 is located at the relative both sides of shooting area respectively with outlet side conveyer belt 32.
Or not shown, input side conveyer belt 31, input side mechanical hand 33, outlet side conveyer belt 32 and outlet side mechanical hand
34 can also bring replacement with a transmission.Shooting area 6 is set directly on conveyer belt.
The machinery being synchronized with the movement with outlet side mechanical hand 34 for Synchronization Control input side mechanical hand 33 is provided with frame 1
Hand control mechanism 35.Manipulator control mechanism 35 includes length along the transverse strands 351 of left and right horizontal direction movement, by laterally
Longitudinal frame 352 that the length that servo control mechanism is slidably arranged in transverse strands 351 extends along above-below direction, pass through servo longitudinal machine
Structure is slidably arranged in the manipulator seat 353 on longitudinal frame 352, described input side mechanical hand 33 and 34 points of described outlet side mechanical hand
Be not fixed in the left and right sides portion of manipulator seat 353, horizontal servo control mechanism and servo longitudinal mechanism respectively with cyclelog
Connect.During material grasping, input side mechanical hand 33 captures ternary catalyzing unit to be detected from input side conveyer belt 31, meanwhile, output
The ternary catalyzing unit that side mechanical hand 34 has detected from shooting area 6 crawl, manipulator seat 353 passes through transverse strands 351 and longitudinal frame
352 transmission, ternary catalyzing unit to be detected is put into shooting area by input side mechanical hand 33, and outlet side mechanical hand 34 will be examined
The ternary catalyzing unit surveyed is put on outlet side conveyer belt 32.It is synchronized with the movement, structure is simple.Or input side mechanical hand 33 with defeated
Go out the separate motion of side mechanical hand 34, directly individually controlled by cyclelog respectively.
The side of input side conveyer belt 31 is provided with supplied materials and puts in place induction apparatuss 5, and supplied materials puts in place induction apparatuss 5 and cyclelog
It is connected.Cyclelog can capture the ternary catalyzing unit supplied materials putting in place by control input side mechanical hand 33.
Conveying mechanism 3 also includes the defective products rejecting mechanism 4 positioned at outlet side conveyer belt 32 side.Defective products rejecting mechanism
4 include receiving the transition belt 41 of ternary catalyzing unit being derived from conveying mechanism 3 and exporting, are located at transition belt 41 side not
Non-defective unit platform 42, the pushing hands 43 positioned at transition transmission belt opposite side, pushing hands 43 is slided by horizontally disposed pushing hands cylinder 44 and is set
Put in frame 1, transition belt 41, pushing hands cylinder 44 are connected with cyclelog.When the stifled of ternary catalyzing unit is detected
Porosity is qualified, just directs out output on outlet side conveyer belt 32, transition belt 41, if underproof, ternary is urged
When change device is located on transition belt 41, by pushing hands 43, defective products ternary catalyzing unit is outwards picked out, be pushed into defective products platform
On 42.Directly non-defective unit is separated with defective products.
The size of the sensitive chip of camera 21 is more than one inch, and the camera lens 211 of camera 21 is telecentric lens 211, and mirror
211 multiplying powers are less than 0.1 times.Shooting clear.Vision detection system 2 is also included for reading ternary catalyzing unit bar shaped to be detected
The code reader of code, code reader is connected with industrial computer 22.
Display screen can also be connected on industrial computer 22, visual operation and result output interface, operation facility.
A kind of use claim 1 ternary catalyzing unit testing equipment detects the detection method of ternary catalyzing unit percentage of plugged hole, including
Following steps:
Step one: cyclelog controls conveying mechanism 3 that ternary catalyzing unit to be detected is delivered to shooting area 6；
Step 2: cyclelog sends a signal to industrial computer 22, industrial computer 22 controls camera 21 to ternary catalyzing unit
Hole face is shot；
Step 3: industrial computer 22 receives the pictorial information being shot by camera 21, and pictorial information is carried out with following process:
1st, all for ternary catalyzing unit holes are all split, that is, be divided into several lattices equal-sized, this is little
Grid spaces are close with hole size；
2nd, in division, grid spaces out are processed, and filter out the grid of plug-hole, and calculate number
3rd, finally by plug-hole number divided by total number, obtain the percentage of plugged hole of this ternary catalyzing unit；
Step 4: aforesaid percentage of plugged hole analysis result is fed back to cyclelog by industrial computer 22, cyclelog according to
Percentage of plugged hole analysis result controls conveying mechanism 3 that this ternary catalyzing unit is moved away from shooting area.
Also client can be installed on ternary catalyzing unit testing equipment, ternary catalyzing unit is additionally provided with Quick Response Code, be available for
Code reader reads, and before step one, code reader first reads Quick Response Code, and industrial computer 22 of feeding, and Quick Response Code is believed by industrial computer 22
Breath and percentage of plugged hole analysis result together feed back to client.It is easy to check.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the technological thought license of the present invention
Change and enforcement.
Claims (7)
1. a kind of ternary catalyzing unit testing equipment it is characterised in that: include:
Frame (1)；
Vision detection system (2), described vision detection system (2) is arranged in described frame (1), and it is included for para-position
It is connected with described camera (21) in the camera (21) that the through-hole face of the ternary catalyzing unit of shooting area (6) is shot
Industrial computer (22), described industrial computer (22) controls described camera (21) to shoot, and receives from described camera (21)
The pictorial information shooting the percentage of plugged hole analyzing this ternary catalyzing unit；
Conveying mechanism (3), described conveying mechanism (3) be used for by ternary catalyzing unit to be detected be delivered to shooting area (6) and
By the ternary catalyzing unit having shot output shooting area (6), described conveying mechanism (3) includes input side conveyer belt (31), uses
In the ternary catalyzing unit on described input side conveyer belt (31) being removed the input side mechanical hand to described shooting area (6)
(33), outlet side conveyer belt (32), for ternary catalyzing unit is removed to described outlet side conveyer belt (32) by shooting area (6)
On outlet side mechanical hand (34);
It is provided with described frame (1) for the input side mechanical hand (33) described in Synchronization Control and described outlet side machinery
The manipulator control mechanism (35) that handss (34) are synchronized with the movement, described manipulator control mechanism (35) includes length along left and right water
Square it is slidably arranged in the length edge in described transverse strands (351) to the transverse strands (351) of movement, by horizontal servo control mechanism
Longitudinal frame (352) of above-below direction extension, be arranged on the machine on described longitudinal frame (352) by servo longitudinal mechanism slips
Tool handss seat (353), described input side mechanical hand (33) and described outlet side mechanical hand (34) are individually fixed in described mechanical hand
In the left and right sides portion of seat (353);
Cyclelog, described industrial computer (22), described horizontal servo control mechanism and described servo longitudinal mechanism respectively with
Described cyclelog connects, described cyclelog be used for receiving analysis result from described industrial computer (22) from
And the ternary catalyzing unit having shot output shooting area (6) is controlled by described conveying mechanism (3).
2. ternary catalyzing unit testing equipment according to claim 1 it is characterised in that: described input side conveyer belt (31)
Side be provided with supplied materials and put in place induction apparatuss (5), the described supplied materials induction apparatuss (5) that put in place are connected with described cyclelog
Connect.
3. the ternary catalyzing unit testing equipment according to claim 1 it is characterised in that: described conveying mechanism (3) is also
Including the defective products rejecting mechanism (4) positioned at described outlet side conveyer belt (32) side, described defective products rejecting mechanism (4)
Including receiving the transition belt (41) of the ternary catalyzing unit exporting from described conveying mechanism (3), positioned at described transition
The defective products platform (42) of conveyer belt (41) side, the pushing hands (43) positioned at described transition transmission belt opposite side, described pushes away
Handss (43) are slidably arranged in described frame (1) by horizontally disposed pushing hands cylinder (44), described transition belt
(41), described pushing hands cylinder (44) is connected with described cyclelog.
4. the ternary catalyzing unit testing equipment according to claim 1 it is characterised in that: described camera (21) photosensitive
The size of chip is more than one inch, and the camera lens (211) of described camera (21) is telecentric lens (211), and camera lens (211) times
Rate is less than 0.1 times.
5. ternary catalyzing unit testing equipment according to claim 4 it is characterised in that: described vision detection system (2)
Also include the code reader for reading ternary catalyzing unit bar code to be detected, described code reader and described industrial computer (22) phase
Connect.
6. the ternary catalyzing unit testing equipment according to claim 1 it is characterised in that: described shooting area (6) bag
Include for place ternary catalyzing unit transparent glass platform (61), be located at backlight below described transparent glass platform (61)
(62).
7. the ternary catalyzing unit testing equipment described in a kind of use claim 1 detects the detection side of ternary catalyzing unit percentage of plugged hole
Method it is characterised in that: comprise the following steps:
Step one: cyclelog controls conveying mechanism (3) that ternary catalyzing unit to be detected is delivered to shooting area (6)；
Step 2: cyclelog sends a signal to industrial computer (22), industrial computer (22) controls described camera (21) to ternary
The hole face of catalyst converter is shot；
Step 3: the pictorial information that industrial computer (22) reception is shot by described camera (21), and pictorial information is carried out following
Process:
1st, all for ternary catalyzing unit holes are all split, that is, be divided into several lattices equal-sized, this lattice
Region is close with hole size；
2nd, in division, grid spaces out are processed, and filter out the grid of plug-hole, and calculate number
3rd, finally by plug-hole number divided by total number, analysis obtains the percentage of plugged hole of this ternary catalyzing unit；
Step 4: aforesaid percentage of plugged hole analysis result is fed back to cyclelog by industrial computer (22), cyclelog is according to stifled
Porosity analysis result controls conveying mechanism (3) that this ternary catalyzing unit is moved away from shooting area.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410440816.6A CN104280394B (en) | 2014-09-01 | 2014-09-01 | Device and method for detecting three-way catalyst |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410440816.6A CN104280394B (en) | 2014-09-01 | 2014-09-01 | Device and method for detecting three-way catalyst |
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| CN104280394A CN104280394A (en) | 2015-01-14 |
| CN104280394B true CN104280394B (en) | 2017-01-25 |
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| CN105158264A (en) * | 2015-09-11 | 2015-12-16 | 苏州威盛视信息科技有限公司 | Automatic optical detection device with universal touch panel |
| CN105170480A (en) * | 2015-09-22 | 2015-12-23 | 苏州卓越金码电子科技有限公司 | Automatic detecting and removing device for preventing product errors |
| CN105651782A (en) * | 2015-12-12 | 2016-06-08 | 机械科学研究总院先进制造技术研究中心 | Engine cylinder cover defect automatic detection equipment based on machine vision |
| CN106525866A (en) * | 2016-12-29 | 2017-03-22 | 重庆市江津区恩聪机械厂 | Cylinder cover defect detection system and detection flow thereof |
| CN109877578B (en) * | 2019-01-10 | 2020-07-28 | 四川绵阳鼎鑫智能装备有限公司 | Tracing production method of automobile catalyst |
| CN112007873A (en) * | 2020-07-30 | 2020-12-01 | 重庆辉虎催化剂有限公司 | Automobile catalyst converter carrier detection device |
| CN113787005A (en) * | 2021-07-28 | 2021-12-14 | 重庆辉虎催化剂有限公司 | Automobile catalyst converter detection device |
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