CN105371760A - Edge detector used by deviation-correcting system - Google Patents
Edge detector used by deviation-correcting system Download PDFInfo
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- CN105371760A CN105371760A CN201510696661.7A CN201510696661A CN105371760A CN 105371760 A CN105371760 A CN 105371760A CN 201510696661 A CN201510696661 A CN 201510696661A CN 105371760 A CN105371760 A CN 105371760A
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- Prior art keywords
- digital sensor
- deviation
- lens
- edge detector
- projector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
Abstract
Provided is an edge detector used by a deviation-correcting system. The edge detector comprises a projector, a lens, a 2D digital sensor, and a microprocessor which are disposed in a housing. The protector and a material to be detected are vertically arranged on a transmitting end. The lens and the 2D digital sensor are arranged on a reflection end, on the same side of the projector, and in the same plane with the projector. The microprocessor is electrically connected with the 2D digital sensor. The projector generates visible light. Focused by the lens, the visible light is received by the 2D digital sensor. Finally, after the filtering and the analysis of the microprocessor, an edge position signal is output. The deviation-correcting system may control the moving direction and the moving distance of the material to be detected so long as receiving the edge position signal. The edge detector is free of independent emitting light source, high in deviation-correction precision, convenient to install, easy to debug, and convenient to maintain so as to be widely used in rubber and printing industries.
Description
Technical field
The present invention relates to deviation correcting technology field, particularly relate to a kind of edge detector being applied to deviation-rectifying system.
Background technology
Deviation-rectifying system is made up of controller, actuator, detecting device, correction mechanical hook-up and annex, wherein, detecting device detects material current location in real time, and corresponding information is sent to controller, the physical location of material and desired location compare by controller, as variant, controller sends corresponding correction information to actuator, and the position of material corrected by actuator driven actuating unit.
In rubber industry, from fabric calender (double-loop control cord fabrics expand distribution system, three refer to systems, wide region fixed, shield is curling etc.), inner lining calender, compound extruded line (compound fixed in, principal and subordinate follows), in cutting machine, the application of forming machine (template, inner liner, sidewall, belt etc.) semi-manufacture, all there is the application needing to rectify a deviation to material.
But, there are some defects in existing deviation-rectifying system: such as in the application, deviation-rectifying system is in rubber forming machine template position, there is an assembly drum rotated, gum material is before fitting to assembly drum, material center is consistent with assembly drum center to need deviation correcting device to ensure, the shaping rear fetus of guarantee is qualified in the quality such as homogeneity, which kind of mode no matter present correction detecting device adopt, all must use transmitting illuminant or reflector, like this because installation site and assembly drum are very near, be difficult to adjustment, it is unlimited near assembly drum to take simultaneously, correction rear center is difficult to ensure drum center, existing deviation-rectifying system requires that sensor is consistent with light source or reflecting plate light path, system debug bothers.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of edge detector being applied to deviation-rectifying system, this edge detector has without independent transmission light source, correction precision is high, installation is simple, debug feature easy and easy to maintenance.
The present invention realizes like this, a kind of edge detector being applied to deviation-rectifying system, comprise a housing, described housing is arranged on the top of material to be detected, also comprise projector, lens, 2D digital sensor and microprocessor, described projector, lens, 2D digital sensor and microprocessor are all arranged in described housing, described projector and material to be detected are arranged on transmitting terminal in vertical manner, described lens and 2D digital sensor are arranged on reflection end, described lens and 2D digital sensor are positioned at the same side of described projector and are within same plane with described projector, described microprocessor is electrically connected with described 2D digital sensor.
Further, described 2D digital sensor comprise be electrically connected successively optical sensor, receive controller, buffer memory, transmit control device, PS interface and DDR storer.
Further, described housing be provided with one be electrically connected with described 2D digital sensor be applied to the keyboard selecting measurement pattern, wherein, described measurement pattern comprises deckle pattern, fixed in pattern and survey wide mode.
Further, described microprocessor comprises waveform signal adjustment unit, AD conversion unit and processing unit, described waveform signal adjustment unit is electrically connected with described 2D digital sensor the waveform signal receiving described 2D digital sensor, described AD conversion unit and described waveform signal adjustment unit are electrically connected to export the digital signal corresponding with described 2D digital sensor, and described processing unit is electrically connected to export edge placement signal with described AD conversion unit.
Further, described microprocessor is micro-control DSP or micro-control ARM.
Further, described lens are a rotational symmetry mirror or a non-axial symmetrical lens, and wherein, described rotational symmetry mirror is spherical mirror or aspheric mirror.
Further, described non-axial symmetrical lens is cylindrical mirror.
The edge detector be applied in deviation-rectifying system provided by the invention, it comprises housing and is separately positioned on projector, lens, 2D digital sensor and the microprocessor in housing, wherein, projector produces luminous ray, this luminous ray exports fixed frequency and enough power, to ensure that the luminous ray after material to be detected refraction is by after lens focus, received by 2D digital sensor, finally by microprocessor filtering, analysis, export edge placement signal, deviation-rectifying system receives this position signalling just can control material moving direction to be measured and displacement.This edge detector has without independent transmission light source, correction precision is high, installation is simple, debug feature easy and easy to maintenance, thus is widely used in the industry such as rubber, printing.
This detecting device can be applied to material deckle, fixed in, the detection of width, material is placed on the below of detecting device specified altitude scope, forming position pixel.The positions of materials pixel that in detecting device, an integrated microprocessor analysis process scanning array is responded to, according to the measurement pattern set, exports corresponding signal, the keypad above sensor, can carry out fixed in, the selection of deckle and width measure pattern.Thus be widely used in the industry such as rubber, printing.
Accompanying drawing explanation
Fig. 1 is a kind of fundamental diagram being applied to the edge detector of deviation-rectifying system that one embodiment of the invention provides.
Fig. 2 is a kind of fundamental diagram being applied to its 2D digital sensor of edge detector of deviation-rectifying system that one embodiment of the invention provides.
Fig. 3 is a kind of fundamental diagram being applied to its microprocessor of edge detector of deviation-rectifying system that one embodiment of the invention provides.
Embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and shall not be applied to restriction the present invention.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of edge detector being applied to deviation-rectifying system, comprise a housing 1, housing 1 is arranged on the top of material 2 to be detected, edge detector also comprises projector 3, lens 4, 2D digital sensor 5 and microprocessor 6, projector 3, lens 4, 2D digital sensor 5 and microprocessor 6 are all arranged in housing 1, projector 3 and material to be detected 2 are arranged on transmitting terminal in vertical manner, lens 4 and 2D digital sensor 5 are arranged on reflection end, lens 4 and 2D digital sensor 5 are positioned at the same side of projector 3 and are within same plane with projector 3, microprocessor 6 is electrically connected with described 2D digital sensor 5.
Further, 2D digital sensor 5 comprise be electrically connected successively optical sensor 51, receive controller 52, buffer memory 53, transmit control device 54, PS interface 55 and DDR storer 56.
In this example, 2D digital sensor is a kind of high speed image receiving chip aiming at vision industry application and exploitation, it can by the image objects of motion, this integrated chip programmable automation controller and offset adjustment function, LVDS also carries out exposure and external trigger setting by SPI interface, meanwhile, in order to adapt to the application of industry spot, this chip can also configure temperature detection and timing sequencer.
In this example, optical sensor 51 after power-up, its register is configured accordingly by SPI by PS interface 55, after configuring register, receiving controller 52 can carry out work, first receives controller 52 and carries out training, when the data of training are consistent with the trainingdata of optical sensor 51, illustrate that data correctly receive, now each data channel is ready to receive Pixel Information, and specific works process is as follows:
Often carry out a frame request signal, optical sensor 51 according to the relative set transmission frame data of register, can receive control 52 after receiving pixel data, can pack, can write after packing according to certain clock toward buffer memory 53 li according to corresponding requirement to pixel.
And the size of buffer memory 53 is determined by later algorithm, but identical is all a bit apply " table tennis Ram ", while a part is write inward, another part sends in DDR storer, a part for algorithm also will complete between reception controller 52 and mission controller 54, the data complete through algorithm process can directly mail to DDR storer 56 by transmit control device 54, then carry out further algorithm process by PS interface 55.
Further, described housing 1 be provided with one be electrically connected with described 2D digital sensor 5 be applied to the keyboard selecting measurement pattern, wherein, described measurement pattern comprises deckle pattern, fixed in pattern and survey wide mode.
In this example, deckle pattern specifically refers to the position at first edge in first left edge or the right, and in fixed, pattern specifically refers to the center of material, and survey wide mode specifically refers to the distance from first edge to last edge.
Further, microprocessor 6 comprises waveform signal adjustment unit 61, AD conversion unit 62 and processing unit 63, waveform signal adjustment unit 61 is electrically connected with 2D digital sensor 5 waveform signal receiving 2D digital sensor 5, AD conversion unit 62 and waveform signal adjustment unit 61 are electrically connected to export the digital signal corresponding with 2D digital sensor 5, and processing unit 63 is electrically connected to export edge placement signal with AD conversion unit 62.
In this example, projector 2 produces luminous ray, this luminous ray exports fixed frequency and enough power, with ensure material 3 to be detected refraction after luminous ray focused on by lens 4 after, received by 2D digital sensor 5, finally by microprocessor 6 filtering, analysis, export edge placement signal, deviation-rectifying system receives this position signalling just can control material moving direction to be measured and displacement.
Preferably, microprocessor 6 is micro-control DSP or micro-control ARM.
Preferably, described lens 4 are a rotational symmetry mirror or a non-axial symmetrical lens, and wherein, rotational symmetry mirror is spherical mirror or aspheric mirror.
Preferably, non-axial symmetrical lens is cylindrical mirror.
The edge detector be applied in deviation-rectifying system provided by the invention, it comprises housing 1 and is separately positioned on the projector 3 in housing 1, lens 4, 2D digital sensor 5 and microprocessor 6, wherein, projector 2 produces luminous ray, this luminous ray exports fixed frequency and enough power, with ensure material 2 to be detected refraction after luminous ray focused on by lens 4 after, received by 2D digital sensor 5, finally by microprocessor 6 filtering, analyze, export edge placement signal, deviation-rectifying system receives this position signalling just can control material moving direction to be measured and displacement, this edge detector has without independent transmission light source, correction precision is high, install simple, debug feature easy and easy to maintenance, thus be widely used in rubber, the industries such as printing.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. one kind is applied to the edge detector of deviation-rectifying system, comprise a housing, described housing is arranged on the top of material to be detected, it is characterized in that, also comprise projector, lens, 2D digital sensor and microprocessor, described projector, lens, 2D digital sensor and microprocessor are all arranged in described housing, described projector and material to be detected are arranged on transmitting terminal in vertical manner, described lens and 2D digital sensor are arranged on reflection end, described lens and 2D digital sensor are positioned at the same side of described projector and are within same plane with described projector, described microprocessor is electrically connected with described 2D digital sensor.
2. a kind of edge detector limit being applied to deviation-rectifying system according to claim 1, is characterized in that, described 2D digital sensor comprise be electrically connected successively optical sensor, receive controller, buffer memory, transmit control device, PS interface and DDR storer.
3. a kind of edge detector being applied to deviation-rectifying system according to claim 1, it is characterized in that, described housing be provided with one be electrically connected with described 2D digital sensor be applied to the keyboard selecting measurement pattern, wherein, described measurement pattern comprises deckle pattern, fixed middle pattern and surveys wide mode.
4. a kind of edge detector being applied to deviation-rectifying system according to claim 1, it is characterized in that, described microprocessor comprises waveform signal adjustment unit, AD conversion unit and processing unit, described waveform signal adjustment unit is electrically connected with described 2D digital sensor the waveform signal receiving described 2D digital sensor, described AD conversion unit and described waveform signal adjustment unit are electrically connected to export the digital signal corresponding with described 2D digital sensor, and described processing unit is electrically connected to export edge placement signal with described AD conversion unit.
5. a kind of edge detector being applied to deviation-rectifying system according to claim 1, is characterized in that, described microprocessor is micro-control DSP or micro-control ARM.
6. a kind of edge detector being applied to deviation-rectifying system according to claim 1, is characterized in that, described lens are a rotational symmetry mirror or a non-axial symmetrical lens, and wherein, described rotational symmetry mirror is spherical mirror or aspheric mirror.
7. a kind of edge detector being applied to deviation-rectifying system according to claim 6, is characterized in that, described non-axial symmetrical lens is cylindrical mirror.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510696661.7A CN105371760A (en) | 2015-10-26 | 2015-10-26 | Edge detector used by deviation-correcting system |
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| CN201510696661.7A CN105371760A (en) | 2015-10-26 | 2015-10-26 | Edge detector used by deviation-correcting system |
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| CN105371760A true CN105371760A (en) | 2016-03-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091936A (en) * | 2016-06-01 | 2016-11-09 | 中国电子科技集团公司第四十研究所 | A kind of cellophane offset detecting device based on machine vision technique and method |
| CN106370113A (en) * | 2016-11-01 | 2017-02-01 | 合肥超科电子有限公司 | Water wheel offset detection device, automatic alignment device and water wheel support |
| CN112902841A (en) * | 2021-01-25 | 2021-06-04 | 上海兰宝传感科技股份有限公司 | Size measurement sensor with deviation correction function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091936A (en) * | 2016-06-01 | 2016-11-09 | 中国电子科技集团公司第四十研究所 | A kind of cellophane offset detecting device based on machine vision technique and method |
| CN106370113A (en) * | 2016-11-01 | 2017-02-01 | 合肥超科电子有限公司 | Water wheel offset detection device, automatic alignment device and water wheel support |
| CN112902841A (en) * | 2021-01-25 | 2021-06-04 | 上海兰宝传感科技股份有限公司 | Size measurement sensor with deviation correction function |
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Application publication date: 20160302 |
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