CN210108264U - Measuring device for measuring tiny thin belt concave section - Google Patents
Measuring device for measuring tiny thin belt concave section Download PDFInfo
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- CN210108264U CN210108264U CN201921138633.3U CN201921138633U CN210108264U CN 210108264 U CN210108264 U CN 210108264U CN 201921138633 U CN201921138633 U CN 201921138633U CN 210108264 U CN210108264 U CN 210108264U
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Abstract
The utility model discloses a measure thin measuring device who takes concave section of tiny, this measuring device include light source, photoelectric receiving tube, sampling and amplifier circuit, single chip microcomputer system, the light source is all placed in the darkroom with photoelectric receiving tube, establishes the porose light screen in the middle of between light source and the photoelectric receiving tube, and tiny thin area runs through in the darkroom to along the horizontal direction free movement between light source and photoelectric receiving tube, light source and photoelectric receiving tube clearance set up, the light source sets up directly over the photoelectric receiving tube, the light source sends the light beam and shines on tiny thin area perpendicularly, photoelectric receiving tube and sampling and amplifier circuit electric connection, sampling and amplifier circuit and single chip microcomputer system electric connection. The difference value between the area of the thin belt section and the area of the thin belt section at other positions is utilized, the light source is shielded by utilizing the difference value of the areas, different illumination intensities are formed on the photoelectric tube, finally, a voltage which is in direct proportion to the illumination intensity is obtained, and the position of the section is judged through the voltage value.
Description
Technical Field
The utility model relates to a measure the measuring device of tiny thin concave festival that takes can be used to measure technical field.
Background
When the thin strip is wound and detected, the thin strip is uniformly punched or uniformly punched, the punching part forms dents on the thin strip, namely, concave sections are formed on the thin strip, whether the punched or punched part is uniformly distributed needs to be detected, and the automatic measurement is difficult because the width of the thin strip is only about 1mm and the thickness of the thin strip is only 0.5 mm.
The existing thin-strip concave joint is usually measured by a switch photoelectric tube, but the measurement that the width of a thin strip is less than 2mm and the thickness is less than 1mm, and a groove is only 0.5mm cannot be measured at all; the image is used for amplifying measurement, the equipment is complicated and expensive, the measurement speed is slow, and the mechanical displacement measurement cannot be realized due to the fact that the thin strip is thin and flexible.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problems existing in the prior art and providing a measuring device for measuring the tiny thin belt concave section.
The purpose of the utility model can be realized through the following technical scheme: the device comprises a light source, a photoelectric receiving tube, a sampling and amplifying circuit and a single chip microcomputer system, wherein the light source and the photoelectric receiving tube are placed in a darkroom, the fine thin strip penetrates through the darkroom and freely moves along the horizontal direction, the light source and the photoelectric receiving tube are arranged in a clearance mode, the light source is arranged right above the photoelectric receiving tube, light beams emitted by the light source vertically irradiate on the fine thin strip, the photoelectric receiving tube is electrically connected with the sampling and amplifying circuit, and the sampling and amplifying circuit is electrically connected with the single chip microcomputer system.
Preferably, a light screen is arranged right below the light source, an opening is formed in the middle of the light screen, the opening is a square hole, the width of the square hole is equal to that of the thin strip, and the length of the square hole is 1 mm-3 mm.
Preferably, the light source and the photoelectric receiving tube are arranged in a gap in the vertical direction, the gap is arranged in a value range of 2 mm-5 mm, and the light source is a light emitting diode.
Preferably, the thin strip is provided with a node formed by lacking part of area on the thin strip, and the node is a hole node, a semi-concave node and a concave node.
Preferably, at least N concave sections are symmetrically arranged at two ends of the thin strip in a clearance mode, the value range of N is 10-20, and the shape and the size of each concave section are identical.
Preferably, through holes for penetrating the thin strips are symmetrically formed in two ends of the darkroom, the width of each through hole is larger than that of each thin strip, and two ends of each thin strip are connected with transmission mechanisms driven by power sources.
Preferably, the sampling and amplifying circuit comprises a photoreceiving tube D1, a resistor R1, a resistor R2, a resistor R3 and an operational amplifier, wherein the other end of the resistor R1 is electrically connected with one end of the photoreceiving tube D1 and a positive phase input end of the operational amplifier, the other end of the photoreceiving tube D1 is grounded, the other end of the photoreceiving tube D1 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with one end of the resistor R3, a negative phase input end of the operational amplifier is electrically connected with the resistor R2 and the resistor R3, and the positive phase input end of the operational amplifier is connected with the resistor R1 and the photoreceiving tube D1.
Preferably, the output end of the photoelectric receiving tube D1 is electrically connected to the sampling amplifying circuit to obtain a voltage signal V1 proportional to the intensity of the illumination received by the photoelectric receiving tube D1, the voltage signal output by the sampling amplifying circuit is input to an ADC port of the single chip microcomputer system, the single chip microcomputer system converts the voltage signal into a digital value, performs digital filtering and hysteresis characteristic processing, and finally the single chip microcomputer system outputs the detection result in time.
Preferably, the detection result is a level output or a digital output.
The utility model discloses technical scheme's advantage mainly embodies: the device can realize that the width of the thin strip is less than 1mm, the thickness is less than 0.5mm, and the groove is only less than 0.5mm for measuring the thin strip with enough precision. The device has high measuring speed, only needs 1 millisecond to complete the measurement, can adjust the sensitivity, is easy to realize and low in price, and can effectively measure the concave sections of small thin strips, whether the concave sections are half concave sections or two concave sections or the concave sections with different shapes.
The difference value between the area of the thin belt section and the area of the thin belt section at other positions is utilized, the light source is shielded by utilizing the difference value of the areas, different illumination intensities are formed on the photoelectric tube, finally, a voltage which is in direct proportion to the illumination intensity is obtained, and the position of the section is judged through the voltage value. The utility model discloses an automatic detection, the automatic coiling of the tiny thin area that has the concave joint provide a reliable detection device.
Drawings
Fig. 1 is a schematic structural diagram of the measuring device for measuring the thin belt concave section of the present invention.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.
The utility model discloses a measure thin measuring device who takes concave festival of tiny strip, as shown in figure 1, this measure thin measuring device who takes concave festival of tiny strip, the device include light source 1, photoelectric receiving tube 2, sampling and amplifier circuit 3, single chip microcomputer system 4, light source 1 and photoelectric receiving tube 2 are all placed in darkroom 5, and light source 1 and photoelectric receiving tube 2 constitute the system that measures thin and take concave festival of tiny strip and form corresponding light irradiation and light receiving system, and light source and photoelectric receiving tube are put into and are guaranteed that photoelectric receiving tube can only mainly receive the light that the light source sent in the darkroom, should set up and mainly shield outside light as far as possible, avoid other miscellaneous light, in this technical scheme, the light source includes resistance and LED, photoelectric receiving tube is used for responding to illumination intensity.
The thin belt 6 to be measured penetrates through the darkroom and freely moves between the light source 1 and the photoelectric receiving tube 2 along the horizontal direction, the thin belt 6 to be measured can freely move when passing through the position between the light source and the photoelectric receiving tube in the darkroom, when the concave section of the thin belt just moves between the light source and the photoelectric receiving tube, the shading area of the thin belt is minimum, the illumination intensity received by the photoelectric receiving tube is maximum, and the darkroom is provided with a shielding device for shielding the light source except the LED and the photoelectric receiving tube.
Through holes for the thin strips to penetrate through are symmetrically formed in two ends of the darkroom, the width of each through hole is larger than that of each thin strip, and the thin strips can freely move on the darkroom. Two ends of the thin belt are connected with a transmission mechanism 7 driven by a power source, the thin belt is driven by the transmission mechanism to freely move on the darkroom along the horizontal direction, and the transmission mechanism is a uniform transmission mechanism.
The light source is arranged above the photoelectric receiving tube, the light beam emitted by the light source vertically irradiates on the tiny thin belt, the photoelectric receiving tube is electrically connected with the sampling and amplifying circuit, and the sampling and amplifying circuit is electrically connected with the single chip microcomputer system. The area of the concave section is measured on the thin strip and converted into the illumination intensity, and then the illumination intensity is converted into a digital value by the AD of the CPU.
Be equipped with the light screen 8 that a centre was porose between light source and the photoelectric receiving tube, specifically, be provided with the light screen under the light source, the middle part of light screen is provided with the trompil, the trompil is the square hole, and the width of square hole equals the width of tiny thin area, and the length of square hole is 1mm ~3mm, and the purpose that this light screen set up is convenient for the light that the light source sent can shine on the photoelectric receiving tube to the largest area ground. The light source and the photoelectric receiving tube are arranged in a gap in the vertical direction, the gap is arranged in a value range of 2-5 mm, and the light source is a light emitting diode.
The device is characterized in that a section is arranged on the thin belt, the section is formed by lacking part of area on the thin belt, the section is a hole section, a semi-concave section and a concave section, and the device can realize adjustment sensitivity protection on the thin belt measuring concave section. At least N concave sections are symmetrically arranged at two ends of the thin belt respectively, the value range of N is 10-20, and the shape and the size of each concave section are the same. The area of the thin belt section is different from the area of the thin belt section at other positions, the light source is shielded by using the area difference, different illumination intensities are formed on the photoelectric tube, finally, a voltage in direct proportion to the illumination intensities is obtained, and the position of the hysteresis judgment section is realized through the voltage value. In the technical scheme, the sections are hole sections, half concave sections and concave sections, the hole sections, the half concave sections and the concave sections are arranged at one end or two end gaps of the thin belt, and the distances among the hole sections, the half concave sections and the concave sections on the thin belt can be the same or different.
The sampling and amplifying circuit comprises a photoelectric receiving tube D1, a resistor R1, a resistor R2, a resistor R3 and an operational amplifier, wherein the other end of the resistor R1 is electrically connected with one end of the photoelectric receiving tube D1 and a positive phase input end of the operational amplifier, the other end of the photoelectric receiving tube D1 is grounded, the other end of the photoelectric receiving tube D1 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with one end of the resistor R3, a negative phase input end of the operational amplifier is electrically connected with the resistor R2 and the resistor R3, and the positive phase input end of the operational amplifier is connected with the resistor R1 and the photoelectric receiving tube D1.
The output end of the photoelectric receiving tube D1 is electrically connected with the sampling amplifying circuit to obtain a voltage signal V1 which is in direct proportion to the illumination intensity received by the photoelectric receiving tube D1, the voltage signal output by the sampling amplifying circuit is input into an ADC port of the single chip microcomputer system, the single chip microcomputer system converts the voltage signal into a digital value to carry out digital filtering and hysteresis characteristic processing, and finally the single chip microcomputer system outputs the detection result in time. The detection result is level output or digital quantity output.
One end of the operational amplifier is electrically connected with the single chip microcomputer system, the operational amplifier irradiates on the photoelectric tube D1 through the sampling circuit and the photoelectric tube D1 to form a voltage V1, the voltage is amplified by the operational amplifier to output a voltage V1, the voltage V1 is in direct proportion to the light intensity received on the photoelectric tube, the voltage V1 is electrically connected with an AD conversion port of the single chip microcomputer system, the single chip microcomputer system calculates the input voltage, obtains a specific voltage value in a reference range, and judges whether the concave section is positioned above the photoelectric tube.
The utility model has a plurality of implementation modes, and all technical schemes formed by adopting equivalent transformation or equivalent transformation all fall within the protection scope of the utility model.
Claims (9)
1. The measuring device for measuring the concave section of the thin belt is characterized in that:
the device comprises a light source, a photoelectric receiving tube, a sampling and amplifying circuit and a single chip microcomputer system, wherein the light source and the photoelectric receiving tube are both placed in a darkroom, a fine thin belt penetrates through the darkroom and freely moves between the light source and the photoelectric receiving tube along the horizontal direction, the light source and the photoelectric receiving tube are arranged in a clearance mode, the light source is arranged right above the photoelectric receiving tube, light beams emitted by the light source vertically irradiate on the fine thin belt, the photoelectric receiving tube is electrically connected with the sampling and amplifying circuit, and the sampling and amplifying circuit is electrically connected with the single chip microcomputer system.
2. The measuring apparatus for measuring a fine thin ribbon burl according to claim 1, characterized in that: the light shielding plate is arranged under the light source, an opening is formed in the middle of the light shielding plate, the opening is a square hole, the width of the square hole is equal to that of a thin belt, and the length of the square hole is 1 mm-3 mm.
3. The measuring apparatus for measuring a fine thin ribbon burl according to claim 1, characterized in that: the light source and the photoelectric receiving tube are arranged in a gap in the vertical direction, the gap is arranged in a value range of 2-5 mm, and the light source is a light emitting diode.
4. The measuring apparatus for measuring a fine thin ribbon burl according to claim 1, characterized in that: the small thin strip is provided with a joint in a gap, the joint is formed by lacking part of area on the small thin strip, and the joint is a hole joint, a half-concave joint and a concave joint.
5. The measuring apparatus for measuring a fine thin ribbon burl according to claim 4, characterized in that: at least N concave sections are symmetrically arranged at two ends of the thin belt respectively, the value range of N is 10-20, and the shape and the size of each concave section are the same.
6. The measuring apparatus for measuring a fine thin ribbon burl according to claim 1, characterized in that: through holes for penetrating the thin strips are symmetrically formed in two ends of the darkroom, the width of each through hole is larger than that of each thin strip, and the two ends of each thin strip are connected with constant-speed transmission mechanisms driven by power sources.
7. The measuring apparatus for measuring a fine thin ribbon burl according to claim 1, characterized in that: the sampling and amplifying circuit comprises a photoelectric receiving tube D1, a resistor R1, a resistor R2, a resistor R3 and an operational amplifier, wherein the other end of the resistor R1 is electrically connected with one end of the photoelectric receiving tube D1 and a positive phase input end of the operational amplifier, the other end of the photoelectric receiving tube D1 is grounded, the other end of the photoelectric receiving tube D1 is electrically connected with one end of the resistor R2, the other end of the resistor R2 is electrically connected with one end of the resistor R3, a negative phase input end of the operational amplifier is electrically connected with the resistor R2 and the resistor R3, and the positive phase input end of the operational amplifier is connected with the resistor R1 and the photoelectric receiving tube D1.
8. The measuring apparatus for measuring a fine thin ribbon burl according to claim 7, characterized in that: the output end of the photoelectric receiving tube D1 is electrically connected with the sampling amplifying circuit to obtain a voltage signal V1 which is in direct proportion to the illumination intensity received by the photoelectric receiving tube D1, the voltage signal output by the sampling amplifying circuit is input into an ADC port of the single chip microcomputer system, the single chip microcomputer system converts the voltage signal into a digital value to carry out digital filtering and hysteresis characteristic processing, and finally the single chip microcomputer system outputs the detection result in time.
9. The measuring apparatus for measuring a fine thin ribbon burl according to claim 8, characterized in that: the detection result is level output or digital quantity output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138633.3U CN210108264U (en) | 2019-07-19 | 2019-07-19 | Measuring device for measuring tiny thin belt concave section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921138633.3U CN210108264U (en) | 2019-07-19 | 2019-07-19 | Measuring device for measuring tiny thin belt concave section |
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| CN210108264U true CN210108264U (en) | 2020-02-21 |
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| CN201921138633.3U Active CN210108264U (en) | 2019-07-19 | 2019-07-19 | Measuring device for measuring tiny thin belt concave section |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332889A (en) * | 2019-07-19 | 2019-10-15 | 上海磊跃自动化设备有限公司 | A kind of measuring device measuring tiny strip concave section |
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2019
- 2019-07-19 CN CN201921138633.3U patent/CN210108264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332889A (en) * | 2019-07-19 | 2019-10-15 | 上海磊跃自动化设备有限公司 | A kind of measuring device measuring tiny strip concave section |
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