CN107315049A - A kind of ceramic tile detector and detection method - Google Patents

A kind of ceramic tile detector and detection method Download PDF

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Publication number
CN107315049A
CN107315049A CN201710637292.3A CN201710637292A CN107315049A CN 107315049 A CN107315049 A CN 107315049A CN 201710637292 A CN201710637292 A CN 201710637292A CN 107315049 A CN107315049 A CN 107315049A
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CN
China
Prior art keywords
ceramic tile
frequency response
response curve
tested
degree
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.)
Pending
Application number
CN201710637292.3A
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Chinese (zh)
Inventor
李新辉
徐彩虹
杨雨浓
裘志宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Donlim Intelligent Vibration And Noise Reduction Technology Co Ltd
Original Assignee
Suzhou Donlim Intelligent Vibration And Noise Reduction Technology Co Ltd
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Application filed by Suzhou Donlim Intelligent Vibration And Noise Reduction Technology Co Ltd filed Critical Suzhou Donlim Intelligent Vibration And Noise Reduction Technology Co Ltd
Priority to CN201710637292.3A priority Critical patent/CN107315049A/en
Publication of CN107315049A publication Critical patent/CN107315049A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/045Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04Analysing solids
    • G01N29/12Analysing solids by measuring frequency or resonance of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/01Indexing codes associated with the measuring variable
    • G01N2291/014Resonance or resonant frequency
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/023Solids
    • G01N2291/0232Glass, ceramics, concrete or stone
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/02Indexing codes associated with the analysed material
    • G01N2291/028Material parameters
    • G01N2291/0289Internal structure, e.g. defects, grain size, texture
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/263Surfaces
    • G01N2291/2632Surfaces flat

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The present invention relates to a kind of ceramic tile detector and detection method, the vibrator that described detector includes being used for encouraging tested ceramic tile, the laser displacement sensor of the frequency response curve of the energized point for detecting tested ceramic tile.The degree of agreement of the formant of the frequency response curve of the frequency response curve of the energized point of tested ceramic tile and the sample of standard ceramic tile is calculated, and judges whether tested ceramic tile is qualified according to described degree of agreement.Determine there is not damaged using the front and rear change of modal parameter, detect the internal flaw of ceramic tile.

Description

A kind of ceramic tile detector and detection method
Technical field
The present invention relates to a kind of ceramic tile detector and detection method.
Background technology
Ceramic tile can be regarded as the mechanical system being made up of rigidity, quality, damping, and structure is once damaged, structure ginseng Number can also produce corresponding change therewith, so that the modal parameter of ceramic tile also changes.
The presently disclosed patent related to ceramic tile detection, it is most of based on surface vision and measurement detection, such as apply Number be CN201611060938.8 a kind of ceramic tile dimension detection method based on machine vision, Application No. A kind of CN201220360712.0 new ceramic tile detection machine and a kind of CN106679566A significantly furring tile are quickly examined Instrument is surveyed, and a kind of Application No. CN105783641A portable building tile detects instrument graduated scale, these patents do not have It is related to the architectural characteristic of ceramic tile, it is impossible to realize the detection of internal flaw.And Application No. CN201520955900.1 Ceramic Tiles Detection machine and a kind of Application No. CN201420469831 Ceramic Tiles secretly split detection means, are related to architectural characteristic, wherein before One using image detection module and ultrasound detection module as core technology, it is latter to use pressure detecting instrument.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of ceramic tile detector and detection method.
A kind of ceramic tile detector of the present invention, described detector is included for encouraging the vibrator of tested ceramic tile, being used for The laser displacement sensor of the frequency response curve of the energized point of the tested ceramic tile of detection.
Preferably, described detector also includes being used to calculate the frequency response curve and standard porcelain of the energized point of tested ceramic tile The degree of agreement of the formant of the frequency response curve of the sample of brick, and whether tested ceramic tile is judged according to described degree of agreement Qualified computing module.
Preferably, described laser displacement sensor is additionally operable to detect other outside the energized point of tested ceramic tile across point Frequency response curve, described computing module be additionally operable to calculate tested ceramic tile other across the frequency response curve of point and the quilt of standard ceramic tile The degree of agreement of the formant of the frequency response curve of test sample product, and judge whether tested ceramic tile is qualified according to described degree of agreement.
Preferably, described detector also includes being used for the detected sample for the frequency response curve and standard ceramic tile for showing tested ceramic tile The display screen of the frequency response curve of product.Display screen shows frequency response curve comparison diagram, directly perceived efficient.
Preferably, described detector also includes frame, the testboard being arranged in described frame, described vibrator It is located at described laser displacement sensor on described testboard, described detector also includes being located at described testboard Being used for of downside conveys the conveyer belt of tested ceramic tile, for the tested ceramic tile on described conveyer belt to be promoted to described exciting Lifting assembly on the downside of device.
Preferably, described lifting assembly includes two groups of pulley assemblies for being separately positioned on described testboard both sides, often Group pulley assembly includes two pulley assemblies, and described pulley assembly includes pulley bracket and is slidably disposed in described cunning Pulley on wheel support, described lifting assembly also includes the rope for being separately positioned on described testboard both sides, described rope The two ends of rope are rotating around being located to two pulleys of every group of pulley assembly.
Preferably, described pulley bracket is movably disposed on described testboard, is provided with described rope Multiple masses.Ceramic tile can be hung up measurement by lifting assembly by automatic structure, be simulated freely without restrained condition, It ensure that the characteristics of mode test of ceramic tile is small by the influence on extraneous border, as a result accurately;Realize and detect porcelain on a production line Brick, automaticity is high, and sorting is convenient.
The application also announces a kind of ceramic tile detection method, and described detection method is to encourage tested ceramic tile using vibrator, The frequency response curve of the energized point of the tested ceramic tile of detection, calculates the frequency response curve and standard ceramic tile of the energized point of tested ceramic tile The degree of agreement of the formant of the frequency response curve of sample, and judge whether tested ceramic tile closes according to described degree of agreement Lattice.
Preferably, described detection method specifically includes low requirement detection and high request detection, described low requirement detection For the frequency response curve of the energized point of the tested ceramic tile of detection calculates the frequency response curve and standard porcelain of the energized point of tested ceramic tile The degree of agreement of the formant of the frequency response curve of the sample of brick, and whether tested ceramic tile is judged according to described degree of agreement It is qualified;Described high request is detected as, and the energized point of the tested ceramic tile of detection, across the frequency response curve of point, calculates tested porcelain with other The energized point of brick and other across point frequency response curve and standard ceramic tile sample frequency response curve formant coincide Degree, and judge whether tested ceramic tile is qualified according to described degree of agreement.It is low to require that detection is qualified available for quickly verifying Product, high request detection can pick out quality product, and the product level for meeting ceramic tile manufacturer is divided.
Preferably, described detection method also includes, and the frequency response curve and standard porcelain of tested ceramic tile are shown on a display screen The frequency response curve of the sample of brick.
By such scheme, the present invention at least has advantages below:.
Ceramic tile detector described herein, is encouraged tested ceramic tile using vibrator, is detected using laser displacement sensor The frequency response curve of the energized point of the tested ceramic tile of detection, calculates the frequency response curve and standard ceramic tile of the energized point of tested ceramic tile The degree of agreement of the formant of the frequency response curve of sample, and judge whether tested ceramic tile closes according to described degree of agreement Lattice.Determine there is not damaged using the front and rear change of modal parameter, detect the internal flaw of ceramic tile.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of ceramic tile detector described herein,
Wherein:1st, frame;2nd, display screen;3rd, testboard;41st, pulley;42nd, mass;43rd, rope;5th, conveyer belt;6th, quilt Survey ceramic tile;7th, vibrator;8th, laser displacement sensor.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
As illustrated, for a kind of ceramic tile detector described herein, including frame 1, it is arranged in described frame 1 Testboard 3, the vibrator 7 being located on described testboard 3 and laser displacement sensor 8, located at the described downside of testboard 3 Be used for convey the conveyer belt 5 of tested ceramic tile 6, for the tested ceramic tile 6 on described conveyer belt 5 to be promoted to described exciting The lifting assembly of the downside of device 7.Vibrator 7 is used to encourage tested ceramic tile 6, and laser displacement sensor 8 is used to detect tested ceramic tile 6 Being energized the detector described in the frequency response curve of point also includes being used to calculate the frequency response curve and mark of the energized point of tested ceramic tile 6 The degree of agreement of the formant of the frequency response curve of the sample of quasi- ceramic tile, and tested ceramic tile is judged according to described degree of agreement 6 whether qualified computing modules.Described laser displacement sensor 8 is additionally operable to detect outside the energized point of tested ceramic tile 6 Other across point frequency response curve, described computing module be additionally operable to calculate tested ceramic tile 6 other across point frequency response curve and mark The degree of agreement of the formant of the frequency response curve of the sample of quasi- ceramic tile, and tested ceramic tile is judged according to described degree of agreement Whether 6 is qualified.Described detector also includes the sample for being used for the frequency response curve and standard ceramic tile for showing tested ceramic tile 6 The display screen 2 of frequency response curve.Display screen 2 shows frequency response curve comparison diagram, directly perceived efficient.
Described lifting assembly includes two groups of pulley assemblies for being separately positioned on the described both sides of testboard 3, every group of pulley Component includes two pulley assemblies, and described pulley assembly includes pulley bracket and is slidably disposed in described pulley bracket On pulley 41, described lifting assembly also includes the rope 43 for being separately positioned on the described both sides of testboard 3, described rope 43 two ends are rotating around being located to two pulleys 41 of every group of pulley assembly.Described pulley bracket is movably disposed at institute On the testboard 3 stated, multiple masses 42 are provided with described rope 43.
When tested ceramic tile 6 is sent to described 3 downside of testboard by conveyer belt 5, the pause of conveyer belt 5 is advanced.In Fig. 1 4 pulley brackets are moved laterally, and 4 pulleys 41 rotate in the counterclockwise direction, until two ropes 43 completely sling ceramic tile, And rise to the side of vibrator 7.Vibrator 7 encourages the corresponding points of ceramic tile, and the origin frequency of excitation point is measured by laser displacement sensor 8 Ring curve and other across a frequency response curve, the frequency response curve of frequency response curve and standard component is shown on the display screen 2.Lifting assembly can So that ceramic tile is hung up into measurement by automatic structure, simulate freely without restrained condition, it is ensured that the characteristics of mode of ceramic tile Test is influenceed small by extraneous border, as a result accurately;Realize and detect ceramic tile on a production line, automaticity is high, sorting It is convenient.
Described detection method specifically includes low requirement detection and high request detection, and described low requirement is detected as, detected The frequency response curve of the energized point of tested ceramic tile 6, calculates the frequency response curve and the quilt of standard ceramic tile of the energized point of tested ceramic tile 6 The degree of agreement of the formant of the frequency response curve of test sample product, and judge whether tested ceramic tile 6 is qualified according to described degree of agreement; Described high request is detected as, and the energized point of the tested ceramic tile 6 of detection, across the frequency response curve of point, calculates tested ceramic tile 6 with other Energized point and other across point frequency response curve and standard ceramic tile sample frequency response curve formant identical journey Degree, and judge whether tested ceramic tile 6 is qualified according to described degree of agreement.It is low to require that detection is qualified available for quickly verifying Product, high request detection can pick out quality product, and the product level for meeting ceramic tile manufacturer is divided.
Detect after the ceramic tile, qualified ceramic tile puts back to conveyer belt 5 by the reset of pulley 41 and pulley bracket, unqualified Ceramic tile be moved to garbage area, conveyer belt 5 recovers to advance.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and Modification, these improvement and modification also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of ceramic tile detector, it is characterised in that:Described detector is included for encouraging the vibrator of tested ceramic tile, being used for The laser displacement sensor of the frequency response curve of the energized point of the tested ceramic tile of detection.
2. a kind of ceramic tile detector according to claim 1, it is characterised in that:Described detector also includes being used to calculate The degree of agreement of the formant of the frequency response curve of the frequency response curve of the energized point of tested ceramic tile and the sample of standard ceramic tile, And the whether qualified computing module of tested ceramic tile is judged according to described degree of agreement.
3. a kind of ceramic tile detector according to claim 2, it is characterised in that:Described laser displacement sensor is additionally operable to Other outside the energized point of the tested ceramic tile of detection are across the frequency response curve of point, and described computing module is additionally operable to calculate tested porcelain Brick other across point frequency response curve and standard ceramic tile sample frequency response curve formant degree of agreement, and according to Described degree of agreement judges whether tested ceramic tile is qualified.
4. a kind of ceramic tile detector according to claim 2, it is characterised in that:Described detector also includes being used to show The display screen of the frequency response curve of the frequency response curve of tested ceramic tile and the sample of standard ceramic tile.
5. a kind of ceramic tile detector according to claim 4, it is characterised in that:Described detector also includes frame, set The testboard in described frame is put, described vibrator and described laser displacement sensor are located at described testboard On, described detector also includes being used on the downside of described testboard and conveys the conveyer belt of tested ceramic tile, for by institute Tested ceramic tile on the conveyer belt stated is promoted to the lifting assembly on the downside of described vibrator.
6. a kind of ceramic tile detector according to claim 5, it is characterised in that:Described lifting assembly includes setting respectively Two groups of pulley assemblies in described testboard both sides, every group of pulley assembly includes two pulley assemblies, described pulley assembly Including pulley bracket and the pulley being slidably disposed on described pulley bracket, described lifting assembly also includes setting respectively Put the rope in described testboard both sides, the two ends of described rope are rotating around being located to two pulleys of every group of pulley assembly On.
7. a kind of ceramic tile detector according to claim 6, it is characterised in that:Described pulley bracket is movably set On described testboard, multiple masses are provided with described rope.
8. a kind of ceramic tile detection method, it is characterised in that:Described detection method is to encourage tested ceramic tile, inspection using vibrator The frequency response curve of the energized point of tested ceramic tile is surveyed, the frequency response curve and the quilt of standard ceramic tile of the energized point of tested ceramic tile is calculated The degree of agreement of the formant of the frequency response curve of test sample product, and judge whether tested ceramic tile is qualified according to described degree of agreement.
9. a kind of ceramic tile detection method according to claim 8, it is characterised in that:Described detection method specifically includes low It is required that detection and high request detection,
Described low requirement is detected as, the frequency response curve of the energized point of the tested ceramic tile of detection, calculates being energized for tested ceramic tile The degree of agreement of the formant of the frequency response curve of the frequency response curve of point and the sample of standard ceramic tile, and coincide according to described Degree judges whether tested ceramic tile is qualified;
Described high request is detected as, and the energized point of the tested ceramic tile of detection, across the frequency response curve of point, calculates tested porcelain with other The energized point of brick and other across point frequency response curve and standard ceramic tile sample frequency response curve formant coincide Degree, and judge whether tested ceramic tile is qualified according to described degree of agreement.
10. a kind of ceramic tile detection method according to claim 8, it is characterised in that:Described detection method also includes, Show that screen display is tested the frequency response curve of the frequency response curve of ceramic tile and the sample of standard ceramic tile.
CN201710637292.3A 2017-07-31 2017-07-31 A kind of ceramic tile detector and detection method Pending CN107315049A (en)

Priority Applications (1)

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US20100161253A1 (en) * 2005-09-21 2010-06-24 Fourth Wave Pty Ltd Method and Apparatus for Measuring Properties of Board Products
WO2012058842A1 (en) * 2010-11-04 2012-05-10 Top Art Jewellery(Mfg) Ltd Apparatus and method for identifying and verifying gemstone
EP2455740A1 (en) * 2010-11-17 2012-05-23 Innodura Method and device for non-destructive determination of the modulus of rupture of a wooden part
CN104526465A (en) * 2014-12-25 2015-04-22 华中科技大学 Method for measuring vibration displacement of tool nose point
US20170138906A1 (en) * 2015-11-13 2017-05-18 Honeywell Fed Mfg & Tech Llc System and method for inspecting parts using frequency response function
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Application publication date: 20171103