CN105954290B - A kind of detection device of detection brass sheet belt surface distortion - Google Patents

A kind of detection device of detection brass sheet belt surface distortion Download PDF

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Publication number
CN105954290B
CN105954290B CN201610248054.9A CN201610248054A CN105954290B CN 105954290 B CN105954290 B CN 105954290B CN 201610248054 A CN201610248054 A CN 201610248054A CN 105954290 B CN105954290 B CN 105954290B
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China
Prior art keywords
brass sheet
laser
laser emitter
belt surface
detection
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CN201610248054.9A
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CN105954290A (en
Inventor
朱顺军
赵向锋
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Guangzhou Rui Cheng Mdt Infotech Ltd
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Guangzhou Rui Cheng Mdt Infotech Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8806Specially adapted optical and illumination features
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00Features of devices classified in G01N21/00
    • G01N2201/06Illumination; Optics
    • G01N2201/061Sources
    • G01N2201/06113Coherent sources; lasers

Abstract

The present invention discloses a kind of detection device of detection brass sheet belt surface distortion comprising: controller, laser emitter, laser pickoff, processing module, computing module and contrast module;The laser emitter emits laser to brass sheet belt surface;The laser pickoff receives the laser of the brass sheet belt surface reflection, and records and receive position and receiving time;The processing module handle to obtain the serial number of the corresponding laser emitter of the reception place value and it is described receive position to zero point distance;The computing module calculates the reduced value of the laser emitter irradiation position;The contrast module receives the reduced value, judges whether the corresponding irradiation position is distorted;The controller receives the irradiation position data and distortion situation, obtains the surface distortion result of the brass sheet band.In this way, can detect that brass sheet belt surface distortion situation improves yield rate convenient for discovery finished product problem, and then adjustable production process in time in time.

Description

A kind of detection device of detection brass sheet belt surface distortion
Technical field
The present invention relates to workpiece sensing technical fields, and in particular to a kind of detection dress of detection brass sheet belt surface distortion It sets.
Background technique
With the reinforcement of whole society's environmental consciousness, demand of the consumer to environmentally friendly machine is more and more, and market is to copper strips Product gradually proposes the requirement of environmental protection standard, is more energy-saving and environmentally friendly the technological process of production of brass sheet band and product, The problem of being current urgent need to resolve.
The production of brass sheet band is needed by ingredient, melting, tundish storage, crystallization, extraction, drawing embryo, cutting, cooling etc. Multiple technique, step is complicated, time-consuming more, in the actual production process, since the setting of machine or the design of entirety do not conform to Reason, the brass sheet belt surface that will lead to produce distorts, and qualification rate is low, considerably increase production cost and the energy at This.
Therefore, for energy conservation and environmental protection, a kind of detection device that can detect the distortion of brass sheet belt surface in time is needed, with Convenient for finding finished product problem in time, and then production process is adjusted, improves yield rate.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of detection brass sheet belt surface The detection device of distortion comprising: controller, laser emitter, laser pickoff, processing module, computing module and comparison mould Block;
The controller is electrically connected with the laser emitter, is controlled the laser emitter and is emitted to brass sheet belt surface Laser;
The laser pickoff receives the laser of brass sheet belt surface reflection, and records when receiving position and receiving Between;
The processing module receives the reception position and the receiving time of the laser pickoff record, and handles and obtain The serial number of the corresponding laser emitter in the reception position and it is described receive position to zero point distance;
The computing module receives the data of the processing module and calculates the comparison of the laser emitter irradiation position Value;
The contrast module receives the reduced value, judges whether the corresponding irradiation position is distorted and is sent to The controller;
The controller receives the irradiation position data and distortion situation, obtains the surface distortion knot of the brass sheet band Fruit.
Preferably, the laser emitter is multiple, and equidistantly arrangement.
Preferably, the computing module calculates the formula of the reduced value are as follows:
Mi=Δ xi(1+m%) D
In formula, D, Δ xiIt is determined by following formula,
Δxi=| xi-iΔD|
In above formula, i is the serial number of laser emitter, and n is the quantity of laser emitter, and Δ D is adjacent two laser emitter The distance between, D is the standard value of offset distance, and m deviates percentage, x for standard valueiFor laser pickoff received Distance of the reception position of i laser emitter to zero point, Δ xiFor the reception position and predetermined position of i-th of laser emitter Offset distance,For the average value of offset distance, NiThe inclined of position and predetermined position is received for i-th laser emitter Gap from decision content, MiFor the reduced value of i-th of laser emitter irradiation position,For unit step letter Number.
Preferably, the detection device further includes a shell, the laser pickoff is fixed on the housing, described to swash Optical transmitting set is fixed on one plane of departure of enclosure interior.
Preferably, the deflection angle of multiple laser emitters is identical.
Preferably, receiving plane and the institute of the angle of the plane of departure and the brass sheet band, the laser pickoff The angle for stating brass sheet band is identical.
Preferably, the plane of departure, the brass sheet band, the laser pickoff are parallel to each other.
Preferably, the laser emitter be it is multiple, be symmetrically distributed in the both sides up and down of the brass sheet band;The laser The quantity of receiver is two, is symmetrically distributed in the both sides up and down of the brass sheet band.
Preferably, the detection device further includes display, the display is electrically connected with the controller, to show The surface distortion situation of the brass sheet band.
Preferably, the detection device further includes input module, it is used for the controller input data.
Compared with the prior art the beneficial effects of the present invention are: provide it is a kind of detection brass sheet belt surface distortion detection Device can detect brass sheet belt surface distortion situation, in time convenient for discovery finished product problem, and then adjustable production in time Process improves yield rate;Deviation caused by the spacing of laser emitter can be eliminated;Deflection angle can be adjusted according to the actual situation Degree, improves the scope of application of the detection device;Structure is simple, easy for installation;It can distort to the upper and lower surface of brass sheet band It is detected simultaneously, improves detection efficiency, promote reaction speed;Above-mentioned calculation method passes through the received laser of laser pickoff The distance of reception position to the zero point of transmitter subtracts the distance between adjacent two laser emitter of respective numbers, eliminates not With the difference for the reception position that laser pickoff caused by the distance between laser emitter receives;By applying unit step Offset distance is converted corresponding decision content by function, if the deviation can retain, decision content 1, if the deviation is not It can retain, then decision content is 0, without being determined respectively each deviation, is directly calculated by calculation formula, greatly The process of judgement is simplified greatly and determines the time, improves judgement speed;Pass through multiplying all decision contents and its offset distance The sum of product obtains the standard value of offset distance divided by the sum of all decision contents, directly eliminates the offset distance that decision content is 0, It improves and determines speed and efficiency, saved system resource;It averages, is eliminated because other reasons are made to multiple offset distances At offset distance it is excessive caused by error;Calculating process is easy, saves system resource;Distortion data can be stored or pre- Other constants are first stored, the calling of controller is facilitated, improve working efficiency;So that user can more clearly understand the brass The surface distortion situation of strip, and then the parameter of production technology or process units is adjusted or is improved, improve yield rate;One Aspect can be corrected the data inside controller 1 by data module 9, can also be according to actual needs to other data It modifies or adds;On the other hand, display 8 can also be cooperated to realize the human-computer interaction of controller 1 and user, be convenient in this way Modification and user's operation.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution in various embodiments of the present invention The attached drawing used is briefly described.
Fig. 1 is the structural schematic diagram of the detection device of present invention detection brass sheet belt surface distortion;
Fig. 2 is the structural schematic diagram of the detection device embodiment 4 of present invention detection brass sheet belt surface distortion;
Fig. 3 is the structural schematic diagram of the detection device embodiment 5 of present invention detection brass sheet belt surface distortion;
Fig. 4 is the structural schematic diagram of the detection device embodiment 6 of present invention detection brass sheet belt surface distortion;
Fig. 5 is the structural schematic diagram of the detection device embodiment 7 of present invention detection brass sheet belt surface distortion.
Specific embodiment
Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment 1
As described in Figure 1, it is;Wherein, the detection device of the detection brass sheet belt surface distortion, comprising: controller 1, Laser emitter 2, laser pickoff 3, processing module 4, computing module 5 and contrast module 6;
Controller 1 is electrically connected with laser emitter 2, and control laser emitter 2 emits laser to brass sheet belt surface;
Laser pickoff 3 receives the laser of brass sheet belt surface reflection, and records and receive position and receiving time;
Processing module 4 receives the reception position and receiving time that laser pickoff 3 records, and handles and obtain the reception The corresponding laser emitter serial number of place value and receive position to zero point distance;
The data of 5 receiving processing module 4 of computing module and the reduced value for calculating laser emitter irradiation position;
Contrast module 6 receives the reduced value, judges whether corresponding irradiation position is distorted and is sent to controller;
Controller 1 receives irradiation position data and distortion situation, obtains the surface distortion result of the brass sheet band.
In this way, can detect that brass sheet belt surface distorts situation in time, convenient for discovery finished product problem in time, and then can be with Production process is adjusted, yield rate is improved.
The laser emitter 2 is multiple, equidistant arrangement and deflection angle is identical between each other, in this way, in positive reason Under condition, laser pickoff can receive equidistant laser in the same time, can be easy between elimination laser emitter The deviation away from caused by.
Embodiment 2
The detection device of detection brass sheet belt surface distortion as described in Example 1, what the present embodiment was different from is in In the detection device further includes a shell, and laser pickoff 3 is fixed on shell, and the laser emitter 2 is equidistantly fixed On one plane of departure of enclosure interior, the laser irradiated in this way is equidistant.
The laser emitter 2 can be deflected around the plane of departure, can adjust deflection angle according to the actual situation in this way, Improve the scope of application of the detection device.
The deflection angle of the laser emitter 2 is identical, measurement error caused by can reducing in this way because of deflection angle.
Brass sheet band passes through the shell, and the surface that the detection device detects the brass sheet band of the enclosure interior is abnormal Become.
The angle of the plane of departure and the brass sheet band, the receiving plane of the laser pickoff and the brass sheet The angle of band is identical, and the laser that the laser emitter 2 described in this way emits is after the reflection of brass sheet band on the laser pickoff 3 Form equidistant laser.
Further, the plane of departure, the brass sheet band, the laser pickoff 3 are parallel to each other, the letter of this spline structure It is single, it is easy for installation.
Further, the laser emitter is multiple, is respectively symmetrically distributed in the both sides up and down, described of the brass sheet band The quantity of laser pickoff is two, is symmetrically distributed in the both sides up and down of the brass sheet band;In this way, can be to brass sheet band Upper and lower surface distorts while being detected, and improves detection efficiency, promotes reaction speed.
Embodiment 3
The detection device of detection brass sheet belt surface distortion as described in embodiment 1 or 2, the present embodiment are different from place It is, the computing module calculates the calculation formula of the reduced value of the laser emitter irradiation position are as follows:
Mi=Δ xi(1+m%) D
In formula, D, Δ xiIt is determined by following formula,
Δxi=| xi-iΔD|
In above formula, i is the serial number of laser emitter, and n is the quantity of laser emitter, and Δ D is adjacent two laser emitter The distance between, D is the standard value of offset distance, and m deviates percentage, x for standard valueiFor laser pickoff received Distance of the reception position of i laser emitter to zero point, Δ xiFor the reception position and predetermined position of i-th of laser emitter Offset distance,For the average value of offset distance, NiThe inclined of position and predetermined position is received for i-th laser emitter Gap from decision content, MiFor the reduced value of i-th of laser emitter irradiation position,For unit step letter Number.
Wherein, ε (t) is unit jump function, specifically:
Its basic ideas are as follows: first with laser pickoff received i-th of laser emitter receive position to zero point away from From the distance between adjacent two laser emitter for subtracting respective numbers, the reception position (reception of laser emitter is obtained Position refers to position of the laser irradiation of laser transmitter projects on laser pickoff) and predetermined position (pre-determined bit here Set can be brass sheet belt surface it is smooth when laser should in the position on laser pickoff, be also possible to should position Have the position of identical difference, latter situation primarily to calculate convenience, because same difference value can be in the process of calculating thus Middle cancellation, therefore can not consider) offset distance;Then the average value of all offset distances is found out;Offset distance is subtracted It goes double average value as the unknown number in unit-step function, then is subtracted by 1 as corresponding decision content, if deviation in this way Distance is more than or equal to double average value, then its decision content is 0, if offset distance is less than double average value, decision content For 1, (in present specification, offset distance can subtract double average value, can also according to circumstances be limited to average value its His multiple or multiple add a certain constant);By the sum of products of all decision contents and its offset distance divided by all decision contents it With obtain the standard value of offset distance;Deviate percentage for what offset distance subtracted standard value and standard value, obtains corresponding Reduced value, using the reduced value as the reduced value of corresponding laser emitter irradiation position.
It has the advantage that: above-mentioned calculation method, is arrived by the reception position of the received laser emitter of laser pickoff The distance of zero point subtracts the distance between adjacent two laser emitter of respective numbers, eliminates between different laser emitters The difference for the reception position that laser pickoff caused by distance receives;By applying unit-step function, offset distance is turned Corresponding decision content is turned to, if the deviation can retain, decision content 1, if the deviation cannot retain, decision content It is 0, without being determined respectively each deviation, is directly calculated by calculation formula, enormously simplify the stream of judgement Journey and judgement time, improve judgement speed;By the way that the sum of products of all decision contents and its offset distance is sentenced divided by all The sum of definite value obtains the standard value of offset distance, directly eliminate decision content be 0 offset distance, improve determine speed and Efficiency has saved system resource;It averages to multiple offset distances, offset distance is excessive caused by eliminating because of other reasons Caused by error;Calculating process is easy, saves system resource.
Embodiment 4
As described in any in embodiment 1-3 detection brass sheet belt surface distortion detection device, the present embodiment and its not It is with place, as shown in Fig. 2, the detection device further includes a memory module 7, the memory module 7 is electrically connected with controller 1 It connects, the data of storage control 1 are simultaneously read for controller 1.
In this way, distortion data can be stored or other constants are stored in advance, facilitate the calling of controller, improves work effect Rate.
Embodiment 5
As described in any in embodiment 1-4 detection brass sheet belt surface distortion detection device, the present embodiment and its not It is with place, as shown in figure 3, the detection device further includes a display 8, display 8 is electrically connected with controller 1, to The surface distortion situation of the brass sheet band is shown, so that user can more clearly understand the surface distortion of the brass sheet band Situation, and then the parameter of production technology or process units is adjusted or is improved, improve yield rate.
Embodiment 6
As described in any in embodiment 1-5 detection brass sheet belt surface distortion detection device, the present embodiment and its not It is with place, as shown in figure 4, the detection device further includes an input module 9, is used for 1 input data of controller.This On the one hand sample can be corrected the data inside controller 1 by data module 9, can also be according to actual needs to it His data are modified or are added;On the other hand, display 8 can also be cooperated to realize the human-computer interaction of controller 1 and user, this Sample is easily modified and user's operation.
Embodiment 7
As described in any in embodiment 1-6 detection brass sheet belt surface distortion detection device, the present embodiment and its not It is with place, as shown in figure 5, the detection device further includes a transmission module 10, the transmission module 10 and 1 electricity of controller Connection, for outwardly sending signal under the control of controller 1.
The transmission module 10 can be a data-interface, can pass through the wired modes such as data line and external device in this way Connection, sends signal to external device;It may be a wireless signal transmitter, it in this way can be via communication network outwardly Device sends signal.
The transmission module 10 can with ingredient in the brass producing process of sheet and strip, melting, tundish storage, crystallization, The device connection for drawing, drawing each processes such as embryo, cutting, cooling, sends the surface distortion situation of the brass sheet band to respectively A device also can control each device and adjust corresponding parameter, in this way can be to production work to be automatically corrected to parameter Skill is adaptively adjusted, and steps up yield rate or yield rate is made to reach highest.
The transmission module 10 can also be connect with background server, carry out comprehensive analysis by background server, in turn The parameter of each device in production technology is adjusted, yield rate is improved.
The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive 's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it, It modifies or even equivalent, but falls in protection scope of the present invention.

Claims (9)

1. a kind of detection device of detection brass sheet belt surface distortion characterized by comprising controller, swashs at laser emitter Optical receiver, processing module, computing module and contrast module;
The controller is electrically connected with the laser emitter, is controlled the laser emitter and is swashed to the transmitting of brass sheet belt surface Light;
The laser pickoff receives the laser of the brass sheet belt surface reflection, and records and receive position and receiving time;
The processing module receives the reception position and the receiving time of the laser pickoff record, and processing obtains this and connects Receive the corresponding laser emitter in position serial number and it is described receive position to zero point distance;
The computing module receives the data of the processing module and calculates the reduced value of the laser emitter irradiation position, institute State the formula that computing module calculates the reduced value are as follows:
Mi=Δ xi(1+m%) D
In formula, D, Δ xiIt is determined by following formula,
Δxi=| xi-iΔD|
In above formula, i is the serial number of laser emitter, and n is the quantity of laser emitter, and Δ D is between adjacent two laser emitter Distance, D is the standard value of offset distance, and m is that standard value deviates percentage, xiIt is received i-th of laser pickoff Distance of the reception position of laser emitter to zero point, Δ xiPosition and predetermined position are received for i-th laser emitter Offset distance,For the average value of offset distance, NiFor the deviation of the reception position and predetermined position of i-th of laser emitter The decision content of distance, MiFor the reduced value of i-th of laser emitter irradiation position,For unit jump function;
The contrast module receives the reduced value, judges whether the corresponding irradiation position is distorted and is sent to described Controller;
The controller receives the irradiation position data and distortion situation, obtains the surface distortion result of the brass sheet band.
2. the detection device of detection brass sheet belt surface distortion as described in claim 1, which is characterized in that the Laser emission Device is multiple, and equidistantly arrangement.
3. the detection device of the detection brass sheet belt surface distortion as described in any in claim 1-2, which is characterized in that described Detection device further includes shell, and the laser pickoff is fixed on the housing, and the laser emitter is fixed on the shell On one plane of departure of internal portion.
4. the detection device of the detection brass sheet belt surface distortion as described in any in claim 1-2, which is characterized in that multiple The deflection angle of the laser emitter is identical.
5. the detection device of detection brass sheet belt surface distortion as claimed in claim 3, which is characterized in that the plane of departure And the angle of the brass sheet band, the receiving plane of the laser pickoff are identical as the angle of the brass sheet band.
6. the detection device of detection brass sheet belt surface distortion as claimed in claim 5, which is characterized in that the transmitting is flat Face, the brass sheet band, the laser pickoff are parallel to each other.
7. the detection device of the detection brass sheet belt surface distortion as described in any in claim 1-2, which is characterized in that described Laser emitter be it is multiple, be symmetrically distributed in the both sides up and down of the brass sheet band;The quantity of the laser pickoff is two, It is symmetrically distributed in the both sides up and down of the brass sheet band.
8. the detection device of the detection brass sheet belt surface distortion as described in any in claim 1-2, which is characterized in that described Detection device further includes display, and the display is electrically connected with the controller, to show the surface of the brass sheet band Distort situation.
9. the detection device of detection brass sheet belt surface distortion as claimed in claim 8, which is characterized in that the detection device Further include input module, is used for the controller input data.
CN201610248054.9A 2016-04-19 2016-04-19 A kind of detection device of detection brass sheet belt surface distortion Active CN105954290B (en)

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