CN103674969B - Rotary-type injection blade lacks material fault on-line diagnostic device - Google Patents
Rotary-type injection blade lacks material fault on-line diagnostic device Download PDFInfo
- Publication number
- CN103674969B CN103674969B CN201310589515.5A CN201310589515A CN103674969B CN 103674969 B CN103674969 B CN 103674969B CN 201310589515 A CN201310589515 A CN 201310589515A CN 103674969 B CN103674969 B CN 103674969B
- Authority
- CN
- China
- Prior art keywords
- module
- sensor
- blade
- rotary
- injection blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a kind of rotary-type injection blade and lack material fault on-line diagnostic device, belong to product quality on-line monitoring technique field, can automatically identify the mass defect of injection blade.This device includes: sensor assembly, analog signal processing module, power module, direct current generator rotary platform modules, single-chip microcomputer central information processing module and dual-colored LED malfunction coefficient module.Assembly of the invention, can be used for being molded in the industrial production line of blade, the scarce material fault of injection blade can be carried out online at-once monitor and identification.
Description
Technical field
The present invention relates to a kind of rotary-type injection blade and lack material fault on-line diagnostic device, belong to product quality on-line monitoring
With diagnostic techniques field, it is mainly used in on-line monitoring and diagnosis injection leaf quality defect.
Background technology
Injection blade is one of important spare part of the equipment wind pushing impeller such as air-conditioning, air purifier, its quality
Directly affects aerodynamic quality and the noiseproof feature of equipment.Injection blade forms moulding by welding procedure, by many
Individual moulding be welded to form wind pushing impeller, its production process there will be injection blade and lack material or the quality problems such as afoliate.
In a lot of injection blade processing enterprises, the scarce material detection of injection blade relies primarily on and manually detects, manual detection except
Outside the increase of cost of labor, there is also some shortcomings that can not look down upon: one is completely with subjective judgment, does not has objective data to depend on
According to, easily cause erroneous judgement；Two is that human eye is the most tired through working long hours, in fact it could happen that misjudge, phenomenon of failing to judge, efficiency and standard
Really property all ratios are relatively low.So, replace manual detection the most urgent with automated detection method.
The equipment wind pushing impeller parts such as air-conditioning, air purifier are welded by injection blade, in order to ensure air-supply
The noise that efficiency and reduction air-supply produce, blade construction design is complex, each blade in the wind wheel being made up of numerous blades
Angle, gap be all unequal, this just brings the biggest difficulty to Aulomatizeted Detect.So, up to the present, still without one
Plant blanket automatic detection system.
At present, the injection blade for moulding lacks material fault, the most mainly by CCD or CMOS etc.
Acquisition technology, processes the image collected and judges.According to data (Liu Wei. through-flow fan blade bonding machine vision is fixed
Position system realizes [J]. automated manufacturing, 2012,13. the 12nd phases, 51-53；Xu Wen, Ye Shidong. axial-flow fan blade defect is certainly
The design [J] of dynamic detecting system. electromechanical engineering technology, 2012,41. the 05th phases, 34-38), these technology still have from reality application
A certain distance.Image monitoring equipment based on machine vision can be used for be molded blade defects detection, but its exist problem
Also ratio is more prominent, causes image segmentation due to the scrambling of blade shape and identifies workload relatively greatly, in order to ensure high identification
Rate, needs to improve the performance of CCD device, and then causes cost to increase, be not suitable for enterprise in the epoch that cost strictly controls big
Area is promoted.
Summary of the invention:
The highest in order to solve to be molded the detection precision of blade, that testing cost is high technical problem, the present invention proposes one
Planting rotary-type injection blade monitoring method based near infrared sensor array, the method uses linear type infrared LED to launch
Array, based on spill mold rotation platform, the moulding being opposite on rotation platform carries out launching and receiving infrared light, by adopting
The infrared light that collection passes through through injection blade, then diagnosed by Single Chip Microcomputer (SCM) system and identify, it is achieved that it is molded the online of blade defect
Monitoring.
The purpose of the present invention is to propose to a kind of injection blade defect on-line diagnosing apparatus, this device uses near infrared light skill
Art, it is possible to realize instant online injection leaf quality monitoring and defect diagonsis.
The rotary-type injection blade that the present invention proposes lacks material fault on-line diagnostic device, by sensor assembly, analogue signal
Processing module, power module, direct current generator rotary platform modules, single-chip microcomputer central information processing module and dual-colored LED fault
Display module forms.
(1) sensor assembly, described sensor template is made up of near infrared sensor emission array and receiving array；The reddest
Outer sensor emission array launches near-infrared light beam to tested injection blade, and near infrared sensor receiving array receives through injection
The near-infrared light waves of blade, as the monitoring signal source of fault diagnosis；
(2) analog signal processing module, is made up of radiating circuit module, receiving circuit module and signal processing circuit,
Collection, amplification and Filtering Processing for signal；
(3) power module, aobvious to sensor, analog signal processing circuit, motor rotation platform, single-chip microcomputer and LED failure
Show module for power supply；
(4) direct current generator rotary platform modules, is supported base group by low-speed DC motor, spill mold platform and metal
Become, rotate, by the moulding that rotarily drives of platform, the complete detection realized injection blade；
(5) single-chip microcomputer central information processing module, records signal for receiving array sensor, carries out data at computing
Reason and breakdown judge, and show, by display module, material defect of falling vacant；
(6) dual-colored LED malfunction coefficient module, is made up of the LED of two kinds of colors red, green, is used for whether showing injection blade
Exist and lack material mass defect.
Composition and the function of each module in said apparatus specifically include that
(1) sensor assembly, sensor distribution mode is as follows: near infrared sensor emitting portion is positioned at spill mold platform
Inner ring, the infrared light emission sensor identical by some models forms, uninterruptedly to the parallel infrared light beam of emission；The reddest
Outer sensor receiving portion is positioned at the outer ring of spill mold platform, receives the infrared light through being molded blade transmission.
(2) radiating circuit module is near infrared sensor emission array drive circuit, between driving infrared light emission array not
Break to emission near-infrared light waves；Receiving circuit module receives the lightwave signal that sensor array receives, signal for processing
Process circuit and there is amplification and filter function.
(3) 220V alternating current is converted to ± 5V unidirectional current by power module, for sensor assembly, analog signal processing mould
Block, single-chip microcomputer central information processing module, direct current generator rotary platform modules and LED failure display circuit use.
(4) direct current generator rotary platform modules is made up of spill mold platform, direct current generator and metal support base, spill
Mold platform is used for placing moulding, and moulding is positioned between spill mold inner ring and outer ring, rotarily driving of direct current generator
The rotation of spill mold bottom surface, and then the injection blade of moulding can be measured comprehensively.
(5) using C8051F020 single-chip microcomputer in single-chip microcomputer central information processing module is core, is believed by multichannel sensor
Send into single-chip microcomputer number after single-ended amplification and level conversion, receive the signal of sensor for detection in real time and record, and to note
Mould leaf quality defect to diagnose and identify.
(6) whether dual-colored LED malfunction coefficient, exist quality with two kinds of colors LED display injection blade red, green respectively and lack
Fall into.
Using technical scheme, utilize near infrared strong interference immunity, invention detection efficiency is high, discrimination
Height, the low cost of the present invention, suit large area to popularize, in existing injection blade lacks material detection, there is advantage.
Accompanying drawing illustrates:
Fig. 1 is that in the present invention, rotary-type injection blade lacks material fault on-line diagnostic device system composition diagram.
Fig. 2 is the spill mold rotation platform schematic diagram in the present invention.
Fig. 3 is that in the present invention, in embodiment, schematic diagram laid by sensor.
Fig. 4 is the detected component diagram in the present invention.
Fig. 5 is the total figure of device assembling in the present invention.
Fig. 6 is circuit theory diagrams in the embodiment of the present invention.
Embodiment and detailed description of the invention:
Below in conjunction with the accompanying drawings and an embodiment the present invention is further illustrated.
As it is shown in figure 1, diagnostic equipment system composition diagram in assembly of the invention, power module is to sensor assembly, simulation
Signal processing module, direct current generator select console module, single-chip microcomputer central information processing module and dual-colored LED display module to carry
Power supply source, sensor assembly is launched red near infrared light and receives the infrared light through injection blade to be detected, at analogue signal
Signal is filtered, amplifies by reason module, conversion process, and signal is processed, simultaneously by single-chip microcomputer central information processing module
Result is sent to the double-colored display module of LED, shows.Wherein power module is the unidirectional current of conventional Width funtion input
Flat modular converter.By power module, ± the voltage of 5V can be obtained.
As in figure 2 it is shown, this device middle concave mold rotation platform schematic diagram.Main by the inner ring 1 of spill mold platform, recessed
The outer ring 2 moulding mould platform forms, and the inner ring 1 of described spill mold platform is provided with the internal ring of installation infrared LED emission array
Slot 1-1, the outer ring 2 of described spill mold platform is provided with the outer shroud slot 2-1 of installation infrared LED emission array, described recessed
Moulding mould platform to be arranged on rotating base 4, spill mold platform maintains static.
As it is shown on figure 3, schematic diagram laid by the sensor in this device, example uses place correspondence up and down a pair
Penetrating, receive near infrared sensor, every pair uses 5 same model emission sensor, 1 reception sensor (IR67-21C-TR10
And PT17-21B-L41-TR8) it is respectively placed in the inner ring 1 of spill mold platform, the outer ring 2 of spill mold platform, its work electricity
Pressure is powered for+5V, is used for monitoring injection blade.Fig. 3 orbicular spot is to launch and the snap point of circuit board for receiving, is used for ensureing to launch
Circuit board for receiving is positioned on same plumb line.Its rectangle is corresponding sensor, and number is pressed actual requirement and set.
The underrun gear of its platform is connected with direct current generator, and the bottom surface that rotarily drives of motor rotates, and then makes placement
Moulding between platform inner ring and outer ring rotates.Wherein place near-infrared sensing in the slot of platform inner ring, outer ring respectively
Device is launched, receiving array, and ensures that transmitting, receiving array are mutually aligned, and is on same plumb line.
As shown in Figure 4, being molded the schematic diagram of blade for the detected parts in the present invention, described injection blade is placed on
Between inner ring 1 and the outer ring 2 of spill mold platform of spill mold platform.
LED failure module in this device, the common light emitting diode of employing, there are two kinds of colors red, green, are used for showing injection
The mass defect of blade.In example, redness represents blade scarce material, defective；Green represents blade and does not lack material, qualified.
Material object device of the present invention and lack the installation diagram of material detection as it is shown in figure 5, can be quick, accurate for air-conditioning fan blade injection
The most automatically identifying that the scarce material defect of moulding, described direct current generator 10 are fixed by support 11, the bottom of support 11 is fixed on the end
On dish 5, the top of support 11 is fixed on rotating base 4, and described direct current generator 10 is engaged with gear wheel 9 by little gear 8, band
Dynamic band moving platform 3 rotates, and measured workpiece is placed on rotation platform 3.Rotation platform 3 is by bearing 6 and check ring 7 and center
Fixed part 12 connects.Measured workpiece is placed on rotation platform 3 and rotates with it, and test product does uniform circular motion, from
And realize 360 degree of detections of product.
As shown in Figure 6, single-chip microcomputer central information processing element circuit in this device, sensor signal is at analogue signal
Being connected with A/D acquisition port AIN0, the AIN1 of single-chip microcomputer after reason module, in example, motor rotarily drives moulding and rotates, sensing
Device monitoring is molded blade up and down, and sensor concatenation current-limiting resistance, for improving near infrared emission array emitter power, current-limiting resistance is
300 Ω, and receive sensor concatenation 10K Ω resistance.
Single-chip microcomputer model is C8051F020, and this single-chip microcomputer and C51 series monolithic have the controller kernel of compatibility, adopt
By pipeline organization, instruction execution speed is greatly improved, and in this example, crystal oscillator is 22MHz, upper and lower two paths of signals by A D change
Input single-chip microcomputer, gathers injection molding impeller and rotates the data that a circle obtains, carry out judgement according to experiment the data obtained threshold value and compare.Real
In example, the signal to the output of upper and lower road sensor, after analog signal processing module, accesses Chip Microcomputer A/D mould by analogue signal
Number conversion, by the routine processes set, result be presented to LED failure and shows.
Claims (5)
1. a rotary-type injection blade lacks material fault on-line diagnostic device, it is characterised in that: this device includes:
(1) sensor assembly, described sensor assembly is made up of near infrared sensor emission array and receiving array；Near-infrared passes
Sensor emission array launches near-infrared light beam to tested injection blade, and near infrared sensor receiving array receives through injection blade
Near-infrared light waves, as the monitoring signal source of fault diagnosis；
(2) analog signal processing module, is made up of radiating circuit module, receiving circuit module and signal processing circuit, is used for
The collection of signal, amplification and Filtering Processing；
(3) power module, to sensor assembly, analog signal processing module, direct current generator rotary platform modules, single-chip microcomputer central authorities
Message processing module and dual-colored LED malfunction coefficient module for power supply；
(4) direct current generator rotary platform modules, is supported base by low-speed DC motor, spill mold platform and metal and forms, recessed
Moulding mould platform for placing moulding, moulding is positioned between spill mold inner ring and outer ring, the rotating band of direct current generator
The rotation of dynamic spill mold bottom surface, rotates realization to being molded the comprehensive of blade by the moulding that rotarily drives of spill mold platform
Detection；
(5) the near infrared sensor emission array described in is positioned at the inner ring of spill mold platform；Near infrared sensor receiving array
It is positioned at the outer ring of spill mold platform；
(6) single-chip microcomputer central information processing module, records signal for receiving array sensor, data are carried out calculation process and
Breakdown judge, and show, by display module, material defect of falling vacant；
(7) dual-colored LED malfunction coefficient module, is made up of the LED of two kinds of colors red, green, is used for showing whether injection blade exists
Lack material mass defect.
A kind of rotary-type injection blade the most as claimed in claim 1 lacks material fault on-line diagnostic device, it is characterised in that: described
Near infrared sensor emission array be positioned at the inner ring of spill mold platform, the near infrared light identical by some models launches sensing
Device forms；Near infrared sensor receiving array is positioned at the outer ring of spill mold platform.
A kind of rotary-type injection blade the most as claimed in claim 1 lacks material fault on-line diagnostic device, it is characterised in that: described
Analog signal processing module in radiating circuit module be near infrared sensor emission array drive circuit, drive near infrared light
Emission array is uninterruptedly to emission near-infrared light waves；Receiving circuit module receives, for processing, the light that sensor array receives
Ripple signal；Signal processing circuit has amplification and filter function.
A kind of rotary-type injection blade the most as claimed in claim 1 lacks material fault on-line diagnostic device, it is characterised in that: described
Power module 220V alternating current is converted to ± 5V unidirectional current, in sensor assembly, analog signal processing module, single-chip microcomputer
Centre message processing module, direct current generator rotary platform modules and LED failure display circuit use.
A kind of rotary-type injection blade the most as claimed in claim 1 lacks material fault on-line diagnostic device, it is characterised in that: described
Single-chip microcomputer central information processing module in use C8051F020 single-chip microcomputer be core, by multichannel sensor signal through single-ended
Amplify and after level conversion, send into single-chip microcomputer, receiving the signal of sensor for detection in real time and record, and to injection blade matter
Amount defect diagnoses and identifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310589515.5A CN103674969B (en) | 2014-01-14 | 2014-01-14 | Rotary-type injection blade lacks material fault on-line diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310589515.5A CN103674969B (en) | 2014-01-14 | 2014-01-14 | Rotary-type injection blade lacks material fault on-line diagnostic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103674969A CN103674969A (en) | 2014-03-26 |
| CN103674969B true CN103674969B (en) | 2016-08-17 |
Family
ID=50313176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310589515.5A Expired - Fee Related CN103674969B (en) | 2014-01-14 | 2014-01-14 | Rotary-type injection blade lacks material fault on-line diagnostic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103674969B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596560B (en) * | 2016-12-14 | 2019-12-03 | 江苏大学 | A kind of scarce material defect inspection method of through-flow fan blade injection molding and device based on laser sensor array |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159533A (en) * | 1995-12-08 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Infrared ray detection device |
| US5981949A (en) * | 1996-01-18 | 1999-11-09 | The United States Of America As Represented By The Secretary Of The Air Force | Locating defects in solid material |
| JP2004093544A (en) * | 2002-09-02 | 2004-03-25 | Nobuo Kiyono | Flow sensor and flow measurement system |
| CN101315270A (en) * | 2007-05-31 | 2008-12-03 | 通用电气公司 | Method and systems for measuring blade deformation in turbines |
| CN201368012Y (en) * | 2009-03-18 | 2009-12-23 | 河北凯翔科技有限公司 | Fan rotation speed detecting device |
| CN102590220A (en) * | 2012-02-24 | 2012-07-18 | 上海兰宝传感科技股份有限公司 | Infrared nondestructive testing device |
| CN102869973A (en) * | 2010-04-23 | 2013-01-09 | 西门子公司 | Testing system for examining turbine blades |
-
2014
- 2014-01-14 CN CN201310589515.5A patent/CN103674969B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09159533A (en) * | 1995-12-08 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Infrared ray detection device |
| US5981949A (en) * | 1996-01-18 | 1999-11-09 | The United States Of America As Represented By The Secretary Of The Air Force | Locating defects in solid material |
| JP2004093544A (en) * | 2002-09-02 | 2004-03-25 | Nobuo Kiyono | Flow sensor and flow measurement system |
| CN101315270A (en) * | 2007-05-31 | 2008-12-03 | 通用电气公司 | Method and systems for measuring blade deformation in turbines |
| CN201368012Y (en) * | 2009-03-18 | 2009-12-23 | 河北凯翔科技有限公司 | Fan rotation speed detecting device |
| CN102869973A (en) * | 2010-04-23 | 2013-01-09 | 西门子公司 | Testing system for examining turbine blades |
| CN102590220A (en) * | 2012-02-24 | 2012-07-18 | 上海兰宝传感科技股份有限公司 | Infrared nondestructive testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103674969A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206161814U (en) | Servo motor reliability testing system | |
| CN108506172B (en) | Online detection system for health state of wind power generation blade | |
| CN204964011U (en) | Vibration detection and failure diagnosis device of portable rotating machinery main shaft | |
| CN103034194B (en) | An automatic control system and method for vehicle off-line double-idling discharging detection | |
| CN205665903U (en) | Wireless ultrasonic detector of parking system machinery vehicle position loRa | |
| CN108561324B (en) | Fan testing device, air conditioner and fan testing method of air conditioner | |
| CN202290600U (en) | Cross-flow fan impeller defect detection system | |
| CN103644863A (en) | Cross-flow fan-blade radial-circle-jump-degree non-contact online diagnostic device and method | |
| CN103630545A (en) | Injection-molded blade on-line monitoring device and method based on near-infrared optical wave array | |
| CN103674969B (en) | Rotary-type injection blade lacks material fault on-line diagnostic device | |
| CN103438002A (en) | Intelligent monitoring system for Roots blower | |
| CN203551280U (en) | Engine general assembly detection system | |
| CN103821749B (en) | On-line diagnosis method of stall and surge of axial fan | |
| CN105043808A (en) | Disc type soil drying device for soil sample collecting and pre-processing device | |
| CN202002811U (en) | Reliability test-bed for rotary table of horizontal machining center | |
| CN205638759U (en) | Multi -cylinder diesel engine sprayer failure diagnosis device | |
| CN201772590U (en) | Dust proof unit for a ventilation device | |
| CN105548502B (en) | A kind of air quality detector | |
| CN207908281U (en) | A kind of quickly detection torsionspring load device | |
| CN204283836U (en) | A kind of roots blower test system | |
| CN204255948U (en) | A kind of can the portable oil liquid detection device of self-priming | |
| CN203672997U (en) | Sprocket wheel type multi-functional tester | |
| CN207081722U (en) | A kind of water quality monitoring system based on Internet of Things data | |
| CN203745470U (en) | Blood gas analyzer | |
| CN104373337A (en) | Roots blower testing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |