CN110332889A - A kind of measuring device measuring tiny strip concave section - Google Patents
A kind of measuring device measuring tiny strip concave section Download PDFInfo
- Publication number
- CN110332889A CN110332889A CN201910653895.1A CN201910653895A CN110332889A CN 110332889 A CN110332889 A CN 110332889A CN 201910653895 A CN201910653895 A CN 201910653895A CN 110332889 A CN110332889 A CN 110332889A
- Authority
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- China
- Prior art keywords
- light source
- receiving tube
- photoelectric receiving
- tiny
- concave section
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- 238000005070 sampling Methods 0.000 claims abstract description 15
- 238000005286 illumination Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010052128 Glare Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Present invention discloses a kind of measuring devices for measuring tiny strip concave section, the measuring device includes light source, photoelectric receiving tube, sampling and amplifying circuit, SCM system, the light source and photoelectric receiving tube are placed in darkroom, porose barn door among one is set between light source and photoelectric receiving tube, tiny strip is through in darkroom, and it is moved freely in the horizontal direction between light source and photoelectric receiving tube, light source and photoelectric receiving tube gap setting, light source is set to the surface of photoelectric receiving tube, light source issues beam orthogonal and is irradiated on tiny strip, photoelectric receiving tube and sampling and amplifying circuit are electrically connected, sampling and amplifying circuit and SCM system are electrically connected.There is difference using the area on the area and the tiny strip in its elsewhere at tiny strip section, light source is blocked using the realization of this difference in areas, different intensities of illumination is formed on photoelectric tube, finally obtains a voltage directly proportional to intensity of illumination, and the position of judgement section is realized by this voltage value.
Description
Technical field
The present invention relates to a kind of measuring devices for measuring tiny strip concave section, can be used for field of measuring technique.
Background technique
It is uniform punching or uniform die cut section in coiling and detection strip, on strip, this die cut section is thin
It takes to be formed on dent i.e. strip and forms concave section, at this moment need to detect punching or whether die cut section is uniformly distributed, due to strip
Width only 1mm or so, thickness only 0.5mm, brings difficulty to automatic measurement.
Existing strip concave section is usually measured with switch photoelectric tube, but is less than 2mm or less thickness for strip width and is less than
1mm, and groove only has the measurement of 0.5mm, is not capable of measuring；It is measured with image zoom, equipment is many and diverse and expensive, and measures speed
Degree is slow, and since strip is very thin and very soft, mechanical displacement measurement is also that can not achieve.
Summary of the invention
The object of the invention is to propose a kind of tiny strip of measurement to solve the above-mentioned problems in the prior art
The measuring device of concave section.
The purpose of the invention will be achieved through the following technical solutions: it is a kind of measure tiny strip concave section measurement dress
It sets, which includes light source, photoelectric receiving tube, sampling and amplifying circuit, SCM system, and the light source and photoelectric receiving tube are equal
It is placed in darkroom, tiny strip is moved freely in the horizontal direction through in darkroom, and light source is set with photoelectric receiving tube gap
Set, light source is set to the surface of photoelectric receiving tube, and light source issues beam orthogonal and is irradiated on tiny strip, photoelectric receiving tube with
Sampling and amplifying circuit are electrically connected, and sampling and amplifying circuit and SCM system are electrically connected.
Preferably, it is provided with barn door immediately below the light source, aperture is provided in the middle part of barn door, the aperture is
Square hole, the width of square hole are equal to the width of tiny strip, and the length of square hole is 1mm ~ 3mm.
Preferably, gap setting, the value range of gap setting are the light source in the vertical direction with photoelectric receiving tube
2mm ~ 5mm, the light source are light emitting diode.
Preferably, it is provided with section on the tiny strip, which is to lack area on tiny strip to be formed, should
Section is Kong Jie, half concave section and concave section.
Preferably, respectively symmetrically gap setting has at least N number of concave section at the both ends of the tiny strip, and the value range of N is
10 ~ 20, the shape and size of each concave section are all the same.
Preferably, the both ends in the darkroom are symmetrically arranged with for the perforative through-hole of tiny strip, the width of the through-hole
Greater than the width of tiny strip, the both ends of the tiny strip are connected with the transmission mechanism by power source drive.
Preferably, the sampling and amplifying circuit include photoelectric receiving tube D1, resistance R1, resistance R2, resistance R3 and operation
The other end of amplifier, resistance R1 is electrically connected with the normal phase input end of one end of photoelectric receiving tube D1, operational amplifier, and photoelectricity connects
The other end of closed tube D1 is grounded, and the other end of photoelectric receiving tube D1 is electrically connected with one end of resistance R2, the other end of resistance R2 and
One end of resistance R3 is electrically connected, and the negative-phase input of operational amplifier is electrically connected with resistance R2, resistance R3, and operational amplifier is just
Phase input terminal is connect with resistance R1, photoelectric receiving tube D1.
Preferably, the output end of the photoelectric receiving tube D1 and amplifier circuit are electrically connected, and obtain one with photoelectricity
The voltage signal of the directly proportional voltage signal V1 of the intensity of illumination that reception pipe D1 is received, amplifier circuit output input monolithic
Voltage signal is converted into digital value by the ADC mouth of machine system, SCM system, carries out digital filtering and hysteretic characteristic processing, most
SCM system in time exports testing result afterwards.
Preferably, testing result is level output or digital output.
The advantages of technical solution of the present invention is mainly reflected in: the device, which can be realized, is less than 1mm hereinafter, thickness is less than to strip width
0.5mm, and groove only has 0.5mm strip below to measure, and has enough accuracy.Present apparatus measuring speed is fast, only needs 1 millisecond
With regard to complete measure, sensitivity is adjustable, the present apparatus realize be easy, it is cheap, the present apparatus for tiny strip concave section not
Pipe is that half of recessed or both sides are recessed or concave section of different shapes all can be measured effectively.
There is difference using the area on the area and the tiny strip in its elsewhere at tiny strip section, utilizes this difference in areas reality
Light source is now blocked, forms different intensities of illumination on photoelectric tube, finally obtains a voltage directly proportional to intensity of illumination, is led to
Cross the position that this voltage value realizes judgement section.The present invention be the tiny strip with concave section automatic detection, automation around
System provides a kind of reliable detection device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of measuring device for measuring tiny strip concave section of the invention.
Specific embodiment
The purpose of the present invention, advantage and feature, by by the non-limitative illustration of preferred embodiment below carry out diagram and
It explains.These embodiments are only the prominent examples using technical solution of the present invention, it is all take equivalent replacement or equivalent transformation and
The technical solution of formation, all falls within the scope of protection of present invention.
Present invention discloses a kind of measuring devices for measuring tiny strip concave section, as shown in Figure 1, the tiny strip of the measurement is recessed
The measuring device of section, the device include light source 1, photoelectric receiving tube 2, sampling and amplifying circuit 3, SCM system 4, the light source
1 is placed in darkroom 5 with photoelectric receiving tube 2, the system shape of light source 1 and the tiny strip concave section of the composition measurement of photoelectric receiving tube 2
At the irradiation of corresponding light and optical receiver system, light source and photoelectric receiving tube, which are put into darkroom, will guarantee that photoelectric receiving tube can only be main
The light that light source is issued is received, which is mainly that external light is masked as far as possible, other veiling glares is avoided, in this technology
In scheme, the light source includes resistance and LED, and the photoelectric receiving tube is for incuding intensity of illumination.
Tiny strip 6 is tested through in darkroom, and is freely moved in the horizontal direction between light source 1 and photoelectric receiving tube 2
It is dynamic, tiny strip 6 is tested the light source and photoelectric receiving tube in darkroom, can be moved freely, it is recessed when tiny strip
It is just moved between light source and photoelectric receiving tube at section, at this moment the shading-area of tiny strip is minimum, and photoelectric receiving tube receives
The intensity of illumination arrived is maximum, and the maskable LED of the setting in darkroom and photoelectric receiving tube are with outer light source.
The both ends in the darkroom are symmetrically arranged with for the perforative through-hole of tiny strip, and the width of the through-hole is greater than tiny
The width of strip, the setting can be moved freely on darkroom for the ease of tiny strip.The both ends of the tiny strip connect
It is connected to the transmission mechanism 7 by power source drive, the tiny strip is under the drive of the transmission mechanism on darkroom along level side
To moving freely, the transmission mechanism is uniform transmission mechanism.
Light source and photoelectric receiving tube gap setting, light source are set to the surface of photoelectric receiving tube, and light source issues light beam and hangs down
It is directly irradiated on tiny strip, photoelectric receiving tube and sampling and amplifying circuit are electrically connected, and are sampled and amplifying circuit and single-chip microcontroller
System is electrically connected.Intensity of illumination is converted into the area of tiny strip measurement concave section, then by the AD conversion of CPU at number
Value, in the technical scheme, darkroom are also possible to the measure and equipment of sealing or other shielding external light sources, the technical program
In unique restriction is not done to the specific choice in darkroom, as long as can play shielding light source purpose.
Porose barn door 8 among one is set between light source and photoelectric receiving tube, specifically, the underface of the light source is arranged
There is barn door, aperture is provided in the middle part of barn door, the aperture is square hole, and the width of square hole is equal to the width of tiny strip,
The length of square hole is 1mm ~ 3mm, and the light that the purpose of barn door setting issues convenient for light source can be irradiated to light to maximum area
In electric reception pipe.The light source and photoelectric receiving tube gap setting in the vertical direction, the value range of gap setting be 2mm ~
5mm, the light source are light emitting diode.
It is provided with section on the tiny strip, which is to lack area on tiny strip to be formed, which is hole
Section, half concave section and concave section, the device can measure tiny strip concave section and realize that adjusting sensitivity protects.The tiny strip
Respectively symmetrically gap setting has at least N number of concave section at both ends, and the value range of N is 10 ~ 20, and the shape and size of each concave section are equal
It is identical.There is difference using the area on the area and the tiny strip in its elsewhere at tiny strip section, is realized using this difference in areas
Light source is blocked, forms different intensities of illumination on photoelectric tube, a voltage directly proportional to intensity of illumination is finally obtained, passes through
This voltage value realizes the position of hysteresis judgement section.In the technical scheme, which is Kong Jie, half concave section and concave section, described thin
The one or both ends gap setting of small strip has Kong Jie, half concave section and concave section, on tiny strip between Kong Jie, half concave section and concave section
Away from may be the same or different.
The sampling and amplifying circuit include photoelectric receiving tube D1, resistance R1, resistance R2, resistance R3 and operational amplifier,
The other end of resistance R1 is electrically connected with the normal phase input end of one end of photoelectric receiving tube D1, operational amplifier, photoelectric receiving tube D1
Other end ground connection, the other end of photoelectric receiving tube D1 is electrically connected with one end of resistance R2, the other end and resistance R3 of resistance R2
One end electrical connection, the negative-phase input of operational amplifier is electrically connected with resistance R2, resistance R3, and the positive of operational amplifier inputs
End is connect with resistance R1, photoelectric receiving tube D1.
The output end and amplifier circuit of the photoelectric receiving tube D1 is electrically connected, and obtains one with photoelectric receiving tube D1
The directly proportional voltage signal V1 of the intensity of illumination received, the voltage signal input SCM system of amplifier circuit output
ADC mouthfuls, voltage signal is converted into digital value by SCM system, carries out digital filtering and hysteretic characteristic processing, last single-chip microcontroller
System in time exports testing result.Testing result is level output or digital output.
One end of the operational amplifier and SCM system are electrically connected, operational amplifier through over-sampling circuit, photoelectric tube D1,
Illumination is irradiated on photoelectric tube D1 forms a voltage V1, and voltage is by operational amplifier amplification one voltage V1 of output, voltage
V1 is proportional to received intensity of illumination on photoelectric tube, and voltage V1 is electrically connected at the AD conversion mouth of SCM system, single-chip microcontroller system
System calculates input voltage, obtains specific voltage value in term of reference, judges whether that concave section has arrived above photoelectric tube.
Still there are many embodiment, all technical sides formed using equivalents or equivalent transformation by the present invention
Case is within the scope of the present invention.
Claims (9)
1. a kind of measuring device for measuring tiny strip concave section, it is characterised in that:
The device includes light source, photoelectric receiving tube, sampling and amplifying circuit, SCM system, the light source and photoelectric receiving tube
It is placed in darkroom, tiny strip freely moves in the horizontal direction through in darkroom and between light source and photoelectric receiving tube
Dynamic, light source and photoelectric receiving tube gap setting, light source are set to the surface of photoelectric receiving tube, and light source issues beam orthogonal irradiation
In on tiny strip, photoelectric receiving tube and sampling and amplifying circuit are electrically connected, and sampling and amplifying circuit and SCM system are electric
Property connection.
2. a kind of measuring device for measuring tiny strip concave section according to claim 1, it is characterised in that: the light source
Underface is provided with barn door, and aperture is provided in the middle part of barn door, and the aperture is square hole, and the width of square hole is equal to tiny thin
The width of band, the length of square hole are 1mm ~ 3mm.
3. a kind of measuring device for measuring tiny strip concave section according to claim 1, it is characterised in that: the light source with
Gap setting, the value range of gap setting are 2mm ~ 5mm to photoelectric receiving tube in the vertical direction, and the light source is light-emitting diodes
Pipe.
4. a kind of measuring device for measuring tiny strip concave section according to claim 1, it is characterised in that: described tiny thin
Taking gap setting has section, which is to lack area on tiny strip and formed, which is Kong Jie, half concave section and recessed
Section.
5. a kind of measuring device for measuring tiny strip concave section according to claim 4, it is characterised in that: described tiny thin
Respectively symmetrically gap setting has at least N number of concave section at the both ends of band, and the value range of N is 10 ~ 20, the shape of each concave section and big
It is small all the same.
6. a kind of measuring device for measuring tiny strip concave section according to claim 1, it is characterised in that: the darkroom
Both ends are symmetrically arranged with for the perforative through-hole of tiny strip, and the width of the through-hole is greater than the width of tiny strip, described thin
The both ends of small strip are connected with the uniform transmission mechanism by power source drive.
7. a kind of measuring device for measuring tiny strip concave section according to claim 1, it is characterised in that: it is described sampling and
Amplifying circuit includes photoelectric receiving tube D1, resistance R1, resistance R2, resistance R3 and operational amplifier, the other end and light of resistance R1
The normal phase input end electrical connection of one end, operational amplifier of electric reception pipe D1, the other end ground connection of photoelectric receiving tube D1, photoelectricity connect
The other end of closed tube D1 is electrically connected with one end of resistance R2, and the other end of resistance R2 is electrically connected with one end of resistance R3, and operation is put
The negative-phase input of big device is electrically connected with resistance R2, resistance R3, the normal phase input end and resistance R1, opto-electronic receiver of operational amplifier
Pipe D1 connection.
8. a kind of measuring device for measuring tiny strip concave section according to claim 7, it is characterised in that: the photoelectricity connects
The output end of closed tube D1 and amplifier circuit are electrically connected, obtain intensity of illumination that one receives with photoelectric receiving tube D1 at
The voltage signal V1 of direct ratio, the ADC mouth of the voltage signal input SCM system of amplifier circuit output, SCM system handle
Voltage signal is converted into digital value, carries out digital filtering and hysteretic characteristic processing, and last SCM system is timely testing result
Ground output.
9. a kind of measuring device for measuring tiny strip concave section according to claim 8, it is characterised in that: testing result is
Level output or digital output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653895.1A CN110332889A (en) | 2019-07-19 | 2019-07-19 | A kind of measuring device measuring tiny strip concave section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653895.1A CN110332889A (en) | 2019-07-19 | 2019-07-19 | A kind of measuring device measuring tiny strip concave section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110332889A true CN110332889A (en) | 2019-10-15 |
Family
ID=68145744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653895.1A Pending CN110332889A (en) | 2019-07-19 | 2019-07-19 | A kind of measuring device measuring tiny strip concave section |
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