CN105124745B - The detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading - Google Patents
The detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading Download PDFInfo
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- CN105124745B CN105124745B CN201510545413.2A CN201510545413A CN105124745B CN 105124745 B CN105124745 B CN 105124745B CN 201510545413 A CN201510545413 A CN 201510545413A CN 105124745 B CN105124745 B CN 105124745B
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Abstract
The present invention provides the detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, described device includes support plate, first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver, processor and display unit, first ultrasonic transmitter sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, the speed of ultrasonic propagation is known, therefore Time Calculation the first ultrasonic transmitter sent according to ultrasound wave and receive is to distance h1 of Nicotiana tabacum L. to be measured；In like manner can get second ultrasonic transmitter distance h2 to Nicotiana tabacum L. to be measured；The distance of the first ultrasonic transmitter to the second ultrasonic transmitter is the thickness that H, H-h1-h2 are Nicotiana tabacum L. to be measured, and processor is sent to display unit after being calculated thickness and shows；The present invention has, relative to prior art, the advantage that error is little, precision is high, speed is fast, efficiency is high.
Description
Technical field
The present invention relates to tobacco purchase classification field, more particularly, to the detection apparatus and method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading.
Background technology
When tobacco purchase stands in purchase Nicotiana tabacum L., owing to land for growing field crops tobacco leaves property is different, after modulation, quality also differs, if quality mixes, use value necessarily reduces, and causes the wasting of resources, and economic benefit reduces.Former cigarette is through repeatedly processing, and scientific formula just can produce Medicated cigarette that meet customer demand, that style is different, and scientific formula completes on the basis of tobacco leaf grading, if high-grade Virginian-type cigarette is based on middle leaf.Tobacco leaf grading is conducive to transferring tobacco grower and produces the enthusiasm of sound tobacco, increases the income of tobacco grower, also specifies the direction of leaf tobacco production with time stage and price for tobacco grower.Rationally classification is conducive to carrying out the exploitation low quality Nicotiana tabacum L. to Nicotiana tabacum L. side-product and Nicotiana tabacum L. side-product reasonably develops.Therefore, tobacco leaf grading during tobacco purchase has great importance.
GB2635-1992 gives the standard of cured tobacco leaf classification, is divided into 42 grades, and the parameter that tobacco leaf grading relates to is more, all many-sides such as including position, color, oil content, colourity, width, length, thickness, residual wound and breakage.Thickness is the parameter that tobacco leaf grading is important, it is possible to the quality of the quality of reflection Nicotiana tabacum L..The measurement of Nicotiana tabacum L. thickness at present is usually and is stacked up by multiple Nicotiana tabacum Lves, by its thickness of kind of calliper.Due to after Nicotiana tabacum L. superposition between every layer of Nicotiana tabacum L. unavoidably with the presence of space, and the limited precision of slide calliper rule, therefore there is bigger error when measuring Nicotiana tabacum L. thickness in the method, and certainty of measurement is low, speed is slow, efficiency is low, badly influences the progress of tobacco purchase.
Summary of the invention
It is contemplated that solve above-mentioned technical problem the most to a certain extent.
The primary and foremost purpose of the present invention is to overcome that the error described in above-mentioned prior art is big, precision is low, speed is slow, inefficient defect, it is provided that the detection device of Nicotiana tabacum L. thickness in the tobacco leaf grading that a kind of error is little, precision is high, speed is fast, efficiency is high.
A further object of the present invention is to provide the detection method of Nicotiana tabacum L. thickness in the tobacco leaf grading that a kind of error is little, precision is high, speed is fast, efficiency is high.
For solving above-mentioned technical problem, technical scheme is as follows:
The detection device of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, including support plate, first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver, processor and display unit, described support plate is horizontally disposed with and is provided with through hole in the middle part of it, described first ultrasonic transmitter and the first ultrasonic receiver are positioned at same level line and are arranged at the surface of described through hole, described second ultrasonic transmitter and the second ultrasonic receiver are positioned at same level line and are arranged at the underface of described through hole, described processor respectively with the first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver and display unit electrical connection.
In the preferred scheme of one, described through hole is square through-hole, and its length of side is 0.5-2cm.
In the preferred scheme of one, described through hole is manhole, its a diameter of 0.5-2cm.
In the preferred scheme of one, described first ultrasonic transmitter and the first ultrasonic receiver are integral type integrated morphology.
In the preferred scheme of one, described second ultrasonic transmitter and the second ultrasonic receiver are integral type integrated morphology.
In the preferred scheme of one, described processor uses STC89C52 single-chip microcomputer.STC89C52 is a kind of low-power consumption of STC Corporation's production, high-performance CMOS 8 8-digit microcontroller, has 8K in-system programmable components flash storage.STC89C52 uses classical MCS-51 kernel, but has done a lot of improvement and made chip have the function that traditional 51 single-chip microcomputers do not possess.On a single chip, have 8 bit CPUs and the in-system programmable components Flash of dexterity so that STC89C52 provides high flexible, the solution of super efficient for numerous embedded Control application systems, and it has the advantages that cost is little and low in energy consumption.
In the preferred scheme of one, described display unit uses LCD1602 LCDs.LCD1602 is that a kind of being specifically used to shows letter, the low cost dot matrix type Liquid Crystal Module of numeral, symbol etc., it is possible to show 16x02(16 row 2 row simultaneously) i.e. 32 characters.It is made up of dot character positions such as several 5X7 or 5X11, each dot character position can show have between a character, every a point away from interval, often row between also have interval, serve the effect of character pitch and line space.
The detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, described method, based on the detection device of Nicotiana tabacum L. thickness in described tobacco leaf grading, comprises the following steps:
S1: Accurate Calibration the first ultrasonic transmitter, to the second ultrasonic transmitter distance, is designated as H；
S2: Nicotiana tabacum L. to be measured being placed in middle part and is provided with on the support plate of through hole, Nicotiana tabacum L. to be measured covers described through hole；
S3: the first ultrasonic transmitter sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the first ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h1；
S4: the second ultrasonic transmitter sends ultrasound wave immediately below Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the second ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the second ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h2；
S5: calculate the thickness T of Nicotiana tabacum L. to be measured and shown by display unit, computing formula is: T=H-h1-h2.
In the preferred scheme of one, described Nicotiana tabacum L. to be measured be remove master pulse and offshoot after the square Nicotiana tabacum L. that the length of side is 0.5cm-2cm that cuts into.The purpose removing master pulse and offshoot is to make the thickness of Nicotiana tabacum L. to be measured uniformly, reduces measurement error.
Compared with prior art, technical solution of the present invention provides the benefit that: the present invention provides the detection device of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, including support plate, first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver, processor and display unit, first ultrasonic transmitter sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, the speed of ultrasonic propagation is known, therefore Time Calculation the first ultrasonic transmitter sent according to ultrasound wave and receive is to distance h1 of Nicotiana tabacum L. to be measured；In like manner can get second ultrasonic transmitter distance h2 to Nicotiana tabacum L. to be measured；The distance of the first ultrasonic transmitter to the second ultrasonic transmitter is the thickness that H, H-h1-h2 are Nicotiana tabacum L. to be measured, and processor is sent to display unit after being calculated the thickness of Nicotiana tabacum L. to be measured and shows；The present invention has, relative to prior art, the advantage that error is little, precision is high, speed is fast, efficiency is high.
In tobacco leaf grading of the present invention, the detection method of Nicotiana tabacum L. thickness is based on said apparatus, and described method and system has been implemented in combination with the Nicotiana tabacum L. Thickness sensitivity that error is little, precision is high, speed is fast, efficiency is high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the detection device of Nicotiana tabacum L. thickness in tobacco leaf grading of the present invention.
Fig. 2 is the flow chart of the detection method of Nicotiana tabacum L. thickness in tobacco leaf grading of the present invention.
Wherein: 1, support plate；2, the first ultrasonic transmitter；3, the first ultrasonic receiver；4, the second ultrasonic transmitter；5, the second ultrasonic receiver；6, processor；7, display unit.
Detailed description of the invention
Accompanying drawing being merely cited for property explanation, it is impossible to be interpreted as the restriction to this patent；
In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product；
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may will be understood by omission.
With embodiment, technical scheme is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, the detection device of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, including support plate 1, first ultrasonic transmitter 2, first ultrasonic receiver 3, second ultrasonic transmitter 4, second ultrasonic receiver 5, processor 6 and display unit 7, described support plate 1 is horizontally disposed with and is provided with through hole in the middle part of it, described first ultrasonic transmitter 2 and the first ultrasonic receiver 3 are positioned at same level line and are arranged at the surface of described through hole, described second ultrasonic transmitter 4 and the second ultrasonic receiver 5 are positioned at same level line and are arranged at the underface of described through hole, described processor 6 respectively with the first ultrasonic transmitter 2, first ultrasonic receiver 3, second ultrasonic transmitter 4, second ultrasonic receiver 5 and display unit 7 electrically connect.
In specific implementation process, described through hole is square through-hole, and its length of side is 0.5-2cm.
In specific implementation process, described first ultrasonic transmitter 2 and the first ultrasonic receiver 3 are integral type integrated morphology, and described second ultrasonic transmitter 4 and the second ultrasonic receiver 5 are integral type integrated morphology.
In specific implementation process, described processor 6 uses STC89C52 single-chip microcomputer.STC89C52 is a kind of low-power consumption of STC Corporation's production, high-performance CMOS 8 8-digit microcontroller, has 8K in-system programmable components flash storage.STC89C52 uses classical MCS-51 kernel, but has done a lot of improvement and made chip have the function that traditional 51 single-chip microcomputers do not possess.On a single chip, have 8 bit CPUs and the in-system programmable components Flash of dexterity so that STC89C52 provides high flexible, the solution of super efficient for numerous embedded Control application systems, and it has the advantages that cost is little and low in energy consumption.
In specific implementation process, described display unit 7 uses LCD1602 LCDs.LCD1602 is that a kind of being specifically used to shows letter, the low cost dot matrix type Liquid Crystal Module of numeral, symbol etc., it is possible to show 16x02(16 row 2 row simultaneously) i.e. 32 characters.It is made up of dot character positions such as several 5X7 or 5X11, each dot character position can show have between a character, every a point away from interval, often row between also have interval, serve the effect of character pitch and line space.
The present embodiment provides the detection device of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, including support plate 1, first ultrasonic transmitter 2, first ultrasonic receiver 3, second ultrasonic transmitter 4, second ultrasonic receiver 5, processor 6 and display unit 7, first ultrasonic transmitter 2 sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver 3 after Nicotiana tabacum L. to be measured reflects, the speed of ultrasonic propagation is known, therefore Time Calculation the first ultrasonic transmitter 2 sent according to ultrasound wave and receive is to distance h1 of Nicotiana tabacum L. to be measured；In like manner can get second ultrasonic transmitter 4 distance h2 to Nicotiana tabacum L. to be measured；The distance of first ultrasonic transmitter the 2 to the second ultrasonic transmitter 4 is the thickness that H, H-h1-h2 are Nicotiana tabacum L. to be measured, and processor 6 is sent to display unit 7 after being calculated the thickness of Nicotiana tabacum L. to be measured and shows；The present invention has, relative to prior art, the advantage that error is little, precision is high, speed is fast, efficiency is high.
Embodiment 2
As in figure 2 it is shown, the detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, described method, based on the detection device of Nicotiana tabacum L. thickness in the tobacco leaf grading described in embodiment 1, comprises the following steps:
S1: Accurate Calibration the first ultrasonic transmitter, to the second ultrasonic transmitter distance, is designated as H；
S2: Nicotiana tabacum L. to be measured being placed in middle part and is provided with on the support plate of through hole, Nicotiana tabacum L. to be measured covers described through hole；
S3: the first ultrasonic transmitter sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the first ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h1；
S4: the second ultrasonic transmitter sends ultrasound wave immediately below Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the second ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the second ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h2；
S5: calculate the thickness T of Nicotiana tabacum L. to be measured and shown by display unit, computing formula is: T=H-h1-h2.
In specific implementation process, described Nicotiana tabacum L. to be measured be remove master pulse and offshoot after the square Nicotiana tabacum L. that the length of side is 0.5cm-2cm that cuts into.The purpose removing master pulse and offshoot is to make the thickness of Nicotiana tabacum L. to be measured uniformly, reduces measurement error.
The present embodiment provides the detection method of Nicotiana tabacum L. thickness in a kind of tobacco leaf grading, and this method is based on device described in embodiment 1, and described method and system has been implemented in combination with the Nicotiana tabacum L. Thickness sensitivity that error is little, precision is high, speed is fast, efficiency is high.
The corresponding same or analogous parts of same or analogous label；
Term the being merely cited for property explanation of position relationship described in accompanying drawing, it is impossible to be interpreted as the restriction to this patent；
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, within should be included in the protection domain of the claims in the present invention.
Claims (8)
1. the detection method of Nicotiana tabacum L. thickness in a tobacco leaf grading, described method detection based on Nicotiana tabacum L. thickness device, described detection device includes support plate, first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver, processor and display unit, described support plate is horizontally disposed with and is provided with through hole in the middle part of it, described first ultrasonic transmitter and the first ultrasonic receiver are positioned at same level line and are arranged at the surface of described through hole, described second ultrasonic transmitter and the second ultrasonic receiver are positioned at same level line and are arranged at the underface of described through hole, described processor respectively with the first ultrasonic transmitter, first ultrasonic receiver, second ultrasonic transmitter, second ultrasonic receiver and display unit electrical connection；
It is characterized in that, said method comprising the steps of:
S1: Accurate Calibration the first ultrasonic transmitter, to the second ultrasonic transmitter distance, is designated as H；
S2: Nicotiana tabacum L. to be measured being placed in middle part and is provided with on the support plate of through hole, Nicotiana tabacum L. to be measured covers described through hole；
S3: the first ultrasonic transmitter sends ultrasound wave directly over Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the first ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the first ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h1；
S4: the second ultrasonic transmitter sends ultrasound wave immediately below Nicotiana tabacum L. to be measured to Nicotiana tabacum L. direction to be measured, ultrasound wave is received by the second ultrasonic receiver after Nicotiana tabacum L. to be measured reflects, Time Calculation the second ultrasonic transmitter sent according to ultrasound wave and receive, to the distance of Nicotiana tabacum L. to be measured, is designated as h2；
S5: calculate the thickness T of Nicotiana tabacum L. to be measured and shown by display unit, computing formula is: T=H-h1-h2.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described through hole is square through-hole, its length of side is 0.5-2cm.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described through hole is manhole, its a diameter of 0.5-2cm.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described first ultrasonic transmitter and the first ultrasonic receiver are integral type integrated morphology.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described second ultrasonic transmitter and the second ultrasonic receiver are integral type integrated morphology.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described processor uses STC89C52 single-chip microcomputer.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described display unit uses LCD1602 LCDs.
The detection method of Nicotiana tabacum L. thickness in tobacco leaf grading the most according to claim 1, it is characterised in that described Nicotiana tabacum L. to be measured be remove master pulse and offshoot after the square Nicotiana tabacum L. that the length of side is 0.5cm-2cm that cuts into.
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| CN112890266B (en) * | 2021-04-08 | 2022-10-25 | 河南中烟工业有限责任公司 | Method for winnowing and quality improvement of threshing and redrying on-line tobacco slices |
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| NO179926C (en) * | 1993-04-02 | 1998-03-11 | Red Band As | Procedures for automatic condition checking, inspection, cleaning and / or surface treatment of structures, in particular thickness measurement of plate structures and pipes |
| CN101788280B (en) * | 2010-02-11 | 2012-01-18 | 浙江金利电子有限公司 | Device for identifying banknote thickness abnormity through ultrasonic wave and method thereof |
| CN102445169A (en) * | 2011-09-28 | 2012-05-09 | 南京信息工程大学 | Ultrasonic wave thickness measuring device based on radiofrequency wireless communication technology |
| CN102564366B (en) * | 2012-01-10 | 2014-08-20 | 航天科工深圳（集团）有限公司 | Integrated monitoring system and method for rain and snow |
| CN104785547B (en) * | 2013-11-07 | 2017-11-24 | 洪洋杰 | Measurement apparatus |
| CN204988219U (en) * | 2015-08-31 | 2016-01-20 | 中国烟草总公司广东省公司 | Detection apparatus for tobacco leaf thickness among tobacco leaf grading |
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