CN108225226A - A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method - Google Patents
A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method Download PDFInfo
- Publication number
- CN108225226A CN108225226A CN201810042393.0A CN201810042393A CN108225226A CN 108225226 A CN108225226 A CN 108225226A CN 201810042393 A CN201810042393 A CN 201810042393A CN 108225226 A CN108225226 A CN 108225226A
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- China
- Prior art keywords
- cigarette
- measured
- ultrasonic
- filter stick
- echo
- Prior art date
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Classifications
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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
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
Abstract
The invention discloses a kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method, this method carries out according to the following steps successively：1）The filter stick sample identical with filter stick material in cigarette to be measured is chosen, the length L of filter stick sample is measured, and filter stick sample is placed into ultrasonic testing system, determines transmission speed of the ultrasonic signal in filter stick sample；2）Cigarette to be measured is placed into the ultrasonic pulse-echo oscillogram that cigarette to be measured is obtained in ultrasonic testing system, and cigarette filter lengths to be measured are calculated according to formula.The present invention realizes the quick measurement to cigarette filter lengths in the case where not destroying cigarette structure, and measures accurately, reliably, highly practical.
Description
Technical field
The invention belongs to cigarette finished product detection fields more particularly to a kind of ultrasonic pulse-echo formula cigarette filter lengths to measure
Method.
Background technology
Cigarette filter length has cigarette quality significant impact, and currently lacks effective rapid detection method.Often
The detection method of rule is to destroy cigarette structure, takes out filter stick, uses vernier caliper measurement.Time-consuming for it, and efficiency is low, and once survey
Amount, cigarette structure are just destroyed.
Invention content
The purpose of the present invention is to provide a kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method, this method is realized
Quick measurement to cigarette filter lengths, and measure accurate, reliable.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：A kind of ultrasonic pulse-echo formula cigarette filter stick
Length measurement method,
The measuring system that the measuring method uses is made of ultrasonic testing system and data analysis process system, wherein ultrasound
Detecting system realizes generation and the echo detecting of ultrasonic signal, and Data Analysis Services system comes from ultrasound detection system for receiving
The data of system export measurement result after processing in a manner of figure or table；
The measurement of cigarette filter lengths is carried out using above-mentioned measuring system to carry out according to the following steps successively：
1) the filter stick sample identical with filter stick material in cigarette to be measured is chosen, measures the length L of filter stick sample, and by filter stick
Sample is placed into ultrasonic testing system, and ultrasonic signal is made to emit along filter lengths direction, obtains the ultrasonic pulse of filter stick sample
Echo waveform figure, the corresponding time difference of two neighboring wave crest is ultrasonic in filter stick sample in the ultrasonic pulse-echo oscillogram
Signal propagates two-way time, and transmission speed of the ultrasonic signal in filter stick sample is determined according to formula 1；
V=2L/T (1)
In formula：
L --- filter lengths
T --- ultrasonic signal propagates two-way time in filter stick sample；
2) cigarette to be measured is measured；
Cigarette to be measured is placed into ultrasonic testing system, ultrasonic signal is made to be entered by cigarette filter stick one end and along cigarette to be measured
Branch length direction emits, and the ultrasonic pulse-echo oscillogram of cigarette to be measured is obtained, adjacent two in the ultrasonic pulse-echo oscillogram
The corresponding time difference of a wave crest be in cigarette to be measured ultrasonic signal propagate two-way time, cigarette to be measured is obtained according to formula 2
Filter lengths：
S=Vt/2 (2)
In formula：
S --- cigarette filter lengths to be measured
Transmission speed of V --- the ultrasonic signal in filter stick is determined to obtain by step 1)；
T --- transonic two-way time in cigarette filter stick to be measured.
The ultrasonic testing system is included through the sequentially connected impulse generator of circuit, radio frequency preamplifiers, detection
Device, amplifier and oscillograph.
It is clock pulse generator on the impulse generator, base is sent out when being connected between clock pulse generator and oscillograph
Raw device.
Beneficial effects of the present invention：
The present invention realizes the quick measurement to cigarette filter lengths in the case where not destroying cigarette structure, and measures accurate
Really, reliably.The present invention can accurately and reliably determine filter lengths in finished product cigarette, highly practical.
Description of the drawings
Fig. 1 is the schematic diagram of ultrasonic testing system used in the present invention；
Fig. 2 is the ultrasonic pulse-echo oscillogram of filter stick sample in the embodiment of the present invention one；
Fig. 3 is the ultrasonic pulse-echo oscillogram of cigarette to be measured in the embodiment of the present invention one.
Specific embodiment
A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method, the measuring system which uses is by ultrasound
Detecting system and data analysis process system composition, wherein ultrasonic testing system realize the generation of ultrasonic signal and echo inspection
Survey, as shown in Figure 1, the ultrasonic testing system include by the sequentially connected impulse generator of circuit, radio frequency preamplifiers,
Wave detector, amplifier and oscillograph, and the impulse generator is clock pulse generator, clock pulse generator and oscillograph
Between be connected with time-base generator；
Data Analysis Services system is for receiving the data from ultrasonic testing system, with the side of figure or table after processing
Formula exports measurement result.
The measurement of cigarette filter lengths is carried out using above-mentioned measuring system to carry out according to the following steps successively：
1) the filter stick sample identical with filter stick material in cigarette to be measured is chosen, measures the length L of filter stick sample, and by filter stick
Sample is placed into ultrasonic testing system, and ultrasonic signal is made to emit along filter lengths direction, obtains the ultrasonic pulse of filter stick sample
Echo waveform figure, the corresponding time difference of two neighboring wave crest is ultrasonic in filter stick sample in the ultrasonic pulse-echo oscillogram
Signal propagates two-way time, and transmission speed of the ultrasonic signal in filter stick sample is determined according to formula 1；
V=2L/T (1)
In formula：
L --- filter lengths
T --- ultrasonic signal propagates two-way time in filter stick sample；
2) cigarette to be measured is measured；
Cigarette to be measured is placed into ultrasonic testing system, ultrasonic signal is made to be entered by cigarette filter stick one end and along cigarette to be measured
Branch length direction emits, and the ultrasonic pulse-echo oscillogram of cigarette to be measured is obtained, adjacent two in the ultrasonic pulse-echo oscillogram
The corresponding time difference of a wave crest be in cigarette to be measured ultrasonic signal propagate two-way time, cigarette to be measured is obtained according to formula 2
Filter lengths：
S=Vt/2 (2)
In formula：
S --- cigarette filter lengths to be measured
Transmission speed of V --- the ultrasonic signal in filter stick is determined to obtain by step 1)；
T --- transonic two-way time in cigarette filter stick to be measured.
The following is should be noted when carrying out cigarette filter lengths measuring method according to the present invention：
1st, equipment is first opened before measuring and is preheated 1 hour；
Sample is numbered processing when the 2nd, operating.
Embodiment one：Ultrasonic pulse-echo formula cigarette filter lengths measuring method according to the present invention is to a 84mm
(64mm+20mm) conventional cigarette carries out filter lengths detection, carries out according to the following steps successively：
1) the filter stick sample identical with filter stick material in cigarette to be measured is chosen, filter stick sample selects the specification of length 120mm
High for 2,8Y36HK (Tekes) crimps cellulose acetate tow (representing it is 2,5Y32HK as unit of Denier), and will filter
Stick sample is placed into ultrasonic testing system, and ultrasonic signal is made to emit along filter lengths direction, obtains the ultrasonic arteries and veins of filter stick sample
Refunds wave oscillogram, the ultrasonic pulse-echo oscillogram is as shown in Fig. 2, the corresponding time difference of two neighboring wave crest is in Fig. 2
Two-way time is propagated for ultrasonic signal in filter stick sample, transmission speed of the ultrasonic signal in filter stick sample is determined according to formula 1
For 1.2Km/s；
V=2L/T (1)
In formula：
L --- filter lengths
T --- ultrasonic signal propagates two-way time in filter stick sample；
2) cigarette to be measured is measured；
Take 84mm long (60mm+24mm) cigarette that cigarette to be measured is placed into ultrasonic testing system as cigarette to be measured
In, ultrasonic signal is made to be entered by cigarette filter stick one end and be emitted along cigarette length direction to be measured, obtains the ultrasonic arteries and veins of cigarette to be measured
Refunds wave oscillogram, the ultrasonic pulse-echo oscillogram is as shown in figure 3, the corresponding time difference of two neighboring wave crest is in Fig. 3
Two-way time is propagated for ultrasonic signal in cigarette to be measured, cigarette filter lengths to be measured are obtained as 24mm according to formula 2, cigarette filter stick
Length is qualified：
S=Vt/2 (2)
In formula：
S --- cigarette filter lengths to be measured
Transmission speed of V --- the ultrasonic signal in filter stick is determined to obtain as 1.2Km/s by step 1)；
T --- transonic two-way time in cigarette filter stick to be measured.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Still can the present invention be modified or be waited
With replacing, without departing from the spirit or scope of the invention, or any substitutions, the power in the present invention should all be covered
In sharp claimed range.
Claims (3)
1. a kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method, it is characterised in that：
The measuring system that the measuring method uses is made of ultrasonic testing system and data analysis process system, wherein ultrasound detection
System realizes generation and the echo detecting of ultrasonic signal, and Data Analysis Services system is for reception from ultrasonic testing system
Data export measurement result after processing in a manner of figure or table；
The measurement of cigarette filter lengths is carried out using above-mentioned measuring system to carry out according to the following steps successively：
1) the filter stick sample identical with filter stick material in cigarette to be measured is chosen, measures the length L of filter stick sample, and by filter stick sample
It is placed into ultrasonic testing system, ultrasonic signal is made to emit along filter lengths direction, obtains the ultrasonic pulse-echo of filter stick sample
Oscillogram, the corresponding time difference of two neighboring wave crest is ultrasonic signal in filter stick sample in the ultrasonic pulse-echo oscillogram
Two-way time is propagated, transmission speed of the ultrasonic signal in filter stick sample is determined according to formula 1；
V=2L/T (1)
In formula：
L --- filter lengths
T --- ultrasonic signal propagates two-way time in filter stick sample；
2) cigarette to be measured is measured；
Cigarette to be measured is placed into ultrasonic testing system, makes ultrasonic signal by the entrance of cigarette filter stick one end and long along cigarette to be measured
Direction transmitting is spent, obtains the ultrasonic pulse-echo oscillogram of cigarette to be measured, two neighboring wave in the ultrasonic pulse-echo oscillogram
The corresponding time difference in peak is ultrasonic signal propagation two-way time in cigarette to be measured, and cigarette filter stick to be measured is obtained according to formula 2
Length：
S=Vt/2 (2)
In formula：
S --- cigarette filter lengths to be measured
Transmission speed of V --- the ultrasonic signal in filter stick is determined to obtain by step 1)；
T --- transonic two-way time in cigarette filter stick to be measured.
2. ultrasonic pulse-echo formula cigarette filter lengths measuring method according to claim 1, it is characterised in that：It is described super
Sound detection system is included through the sequentially connected impulse generator of circuit, radio frequency preamplifiers, wave detector, amplifier and oscillography
Device.
3. ultrasonic pulse-echo formula cigarette filter lengths measuring method according to claim 2, it is characterised in that：The arteries and veins
It rushes on generator as clock pulse generator, time-base generator is connected between clock pulse generator and oscillograph.
Priority Applications (1)
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|---|---|---|---|
| CN201810042393.0A CN108225226A (en) | 2018-01-17 | 2018-01-17 | A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method |
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| CN201810042393.0A CN108225226A (en) | 2018-01-17 | 2018-01-17 | A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method |
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| CN108225226A true CN108225226A (en) | 2018-06-29 |
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| CN201810042393.0A Pending CN108225226A (en) | 2018-01-17 | 2018-01-17 | A kind of ultrasonic pulse-echo formula cigarette filter lengths measuring method |
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Citations (8)
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|---|---|---|---|---|
| US4413518A (en) * | 1981-07-20 | 1983-11-08 | Ndt Instruments, Inc. | Apparatus and method for measuring the extension of bolts under stress |
| CN1044529A (en) * | 1989-01-16 | 1990-08-08 | 阿明·W·赫德利卡 | Measure the equipment of method and this method of enforcement of length |
| CN1834580A (en) * | 2006-04-29 | 2006-09-20 | 北京工业大学 | Method of nondestructive detecting anchor arm length buried in defferent mediums by utilizing supersonic guided wave |
| CN101922922A (en) * | 2010-06-18 | 2010-12-22 | 北京工业大学 | Angle probe-based ultrasonic guided wave testing method for length of highway guardrail posts |
| CN102095391A (en) * | 2010-12-03 | 2011-06-15 | 华中科技大学 | Duct length measuring device based on sound waves |
| CN104266617A (en) * | 2014-09-28 | 2015-01-07 | 中国船舶重工集团公司第七二五研究所 | Method for detecting coating thickness of LNG gasifying device in non-destructive mode |
| CN106248009A (en) * | 2016-08-31 | 2016-12-21 | 南昌航空大学 | A kind of ultrasonic thickness-measuring method of highly attenuating fiberglass |
| CN106352821A (en) * | 2016-08-25 | 2017-01-25 | 申锡机械有限公司 | Method and device for measuring length of steel wire rope based on low frequency ultrasonic wave |
-
2018
- 2018-01-17 CN CN201810042393.0A patent/CN108225226A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4413518A (en) * | 1981-07-20 | 1983-11-08 | Ndt Instruments, Inc. | Apparatus and method for measuring the extension of bolts under stress |
| CN1044529A (en) * | 1989-01-16 | 1990-08-08 | 阿明·W·赫德利卡 | Measure the equipment of method and this method of enforcement of length |
| CN1834580A (en) * | 2006-04-29 | 2006-09-20 | 北京工业大学 | Method of nondestructive detecting anchor arm length buried in defferent mediums by utilizing supersonic guided wave |
| CN101922922A (en) * | 2010-06-18 | 2010-12-22 | 北京工业大学 | Angle probe-based ultrasonic guided wave testing method for length of highway guardrail posts |
| CN102095391A (en) * | 2010-12-03 | 2011-06-15 | 华中科技大学 | Duct length measuring device based on sound waves |
| CN104266617A (en) * | 2014-09-28 | 2015-01-07 | 中国船舶重工集团公司第七二五研究所 | Method for detecting coating thickness of LNG gasifying device in non-destructive mode |
| CN106352821A (en) * | 2016-08-25 | 2017-01-25 | 申锡机械有限公司 | Method and device for measuring length of steel wire rope based on low frequency ultrasonic wave |
| CN106248009A (en) * | 2016-08-31 | 2016-12-21 | 南昌航空大学 | A kind of ultrasonic thickness-measuring method of highly attenuating fiberglass |
Non-Patent Citations (1)
| Title |
|---|
| 周继明 等编著: ""传感技术与应用"", 《传感技术与应用》 * |
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Application publication date: 20180629 |
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