CN110595638A - Embedded contact cigarette temperature measuring equipment - Google Patents
Embedded contact cigarette temperature measuring equipment Download PDFInfo
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- CN110595638A CN110595638A CN201910890970.6A CN201910890970A CN110595638A CN 110595638 A CN110595638 A CN 110595638A CN 201910890970 A CN201910890970 A CN 201910890970A CN 110595638 A CN110595638 A CN 110595638A
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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 115
- 238000012545 processing Methods 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 24
- 241000208125 Nicotiana Species 0.000 claims abstract description 19
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 11
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 35
- 238000003860 storage Methods 0.000 claims description 32
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 230000003068 static effect Effects 0.000 claims description 5
- 238000004861 thermometry Methods 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 230000035945 sensitivity Effects 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 description 21
- 230000000391 smoking effect Effects 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000002572 peristaltic effect Effects 0.000 description 4
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229910000629 Rh alloy Inorganic materials 0.000 description 2
- DBUTVDSHVUGWOZ-UHFFFAOYSA-N [Si].[Ni].[Cr].[Ni] Chemical compound [Si].[Ni].[Cr].[Ni] DBUTVDSHVUGWOZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000003571 electronic cigarette Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229960002715 nicotine Drugs 0.000 description 2
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 229910001006 Constantan Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101710172072 Kexin Proteins 0.000 description 1
- FLAQQSHRLBFIEZ-UHFFFAOYSA-N N-Methyl-N-nitroso-4-oxo-4-(3-pyridyl)butyl amine Chemical compound O=NN(C)CCCC(=O)C1=CC=CN=C1 FLAQQSHRLBFIEZ-UHFFFAOYSA-N 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- LIXXICXIKUPJBX-UHFFFAOYSA-N [Pt].[Rh].[Pt] Chemical compound [Pt].[Rh].[Pt] LIXXICXIKUPJBX-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 1
- MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000020068 maotai Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910021484 silicon-nickel alloy Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to embedded contact cigarette temperature measuring equipment which comprises a first temperature sensor (11), a second temperature sensor (12), a third temperature sensor (13), a fourth temperature sensor (14), an analog signal amplification module (2), an analog/digital conversion module (3), a data processing and storing module (4), a filter tip clamping unit (5), a smoke filtering unit (6) and a suction unit (7). The embedded contact cigarette temperature measuring equipment has the characteristics of accurate temperature measurement, high sensitivity and the like, is not limited to detecting the temperature of main stream smoke at the rear end of the filter tip, and also detects the temperature of the main stream smoke in the filter tip, the temperature of tobacco shred sections and the surface temperature of cigarette paper and forming paper.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of cigarette temperature detection. More particularly, the invention relates to an embedded contact cigarette temperature measuring device.
[ background of the invention ]
As a special product for burning and smoking, the tobacco is always used as a research point in the tobacco industry for analyzing and researching components produced by burning the cigarettes, particularly harmful components. Studies now prove that the content of harmful components such as hydrogen cyanide, ammonia, phenol, crotonaldehyde, NNK and carbon monoxide in the released components varies greatly according to the combustion temperature of the cigarettes. Through a large amount of researches on the correlation between the combustion temperature distribution of the cigarettes and the release of harmful ingredients and the utilization of the correlation to regulate and control the combustion temperature of the cigarettes, a guiding idea is provided for reducing tar and reducing harm in the smoking state of the cigarettes. Based on the professional loss of the currently embedded and contact cigarette temperature detection equipment and tools, a plurality of tobacco institutions all adopt self-development modes for researching cigarette combustion temperature mechanisms, so that complete equipment systems such as reasonable design, accurate temperature measurement, high sensitivity, automatic data processing and the like are lacked in the industry. CN 108020327A discloses an electronic cigarette temperature detection method and a special detection device thereof, the invention integrates a thermocouple and an infrared temperature measurement method, but the detection method is limited to electronic cigarette temperature detection and cannot detect the temperature of a traditional cigarette. CN 103983370A discloses a method, related apparatus and system for detecting temperature field distribution during smoking of cigarette, and CN 202404079U discloses a continuous smoking apparatus for measuring smoking temperature of cigarette, which all use thermocouples as temperature detecting sensors, but do not explain the type selection of the thermocouples, the temperature measuring ranges of different thermocouples, the thermocouple diameter, the heat loss temperature, the accuracy and the heat response time are all very different, and at the same time, they are only limited to the conventional cigarette temperature detection, and do not relate to the novel cigarette temperature detection.
In a word, the existing patent applications are all based on the technical points of detection methods, detection module design, detection data analysis and the like; the core technical specifications of the temperature measurement sensor such as accuracy, sensitivity, thermal response time, temperature measurement range and the like related to the detection equipment are not explained.
[ summary of the invention ]
[ problem to be solved ]
The invention aims to provide embedded contact cigarette temperature measuring equipment.
[ solution ]
The invention is realized by the following technical scheme.
The invention relates to an embedded contact cigarette temperature measuring device.
The embedded contact cigarette temperature measuring equipment comprises a filter tip clamping unit 5, a smoke filtering unit 6, a suction unit 7, a first temperature sensor 11, a second temperature sensor 12, a third temperature sensor 13, a fourth temperature sensor 14, an analog signal amplifying module 2, an analog/digital conversion module 3 and a data processing and storing module 4;
the suction unit 7 is connected with the filter tip holding unit 5 through the smoke filtering unit 6; the cigarettes 8 are placed in the filter clamping unit 5;
a first temperature sensor 11 is placed in the back filter section 81, a second temperature sensor 12 is placed in the filter 82, a third temperature sensor 13 is placed in the tobacco section 83, and a fourth temperature sensor 14 is placed on the cigarette paper and plug wrap surfaces; the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 respectively detect temperature signals of all sections of the cigarettes 8 when the cigarettes are burnt; the detected temperature signals are transmitted to the data processing and storing module 4 through the analog/digital conversion module 3 for data processing, and temperature data of each section of the cigarette 8 in a static combustion or suction state are obtained.
According to a preferred embodiment of the present invention, the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 are one or more selected from a type J thermocouple, a type T thermocouple, a type B thermocouple, a type K thermocouple, a type S thermocouple or a type E thermocouple.
According to another preferred embodiment of the present invention, the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 have a diameter smaller than 1 mm.
According to another preferred embodiment of the present invention, the detection temperature ranges of the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 are-50 ℃ to 1700 ℃.
According to another preferred embodiment of the present invention, the analog signal amplifying module 2 is a MAX6675, E913.18, AD590 or LM358 type analog signal processing amplifying module.
According to another preferred embodiment of the invention, the analog/digital conversion module 3 is a MAX6675, AT89C51 series or MAX1230 analog/digital conversion module.
According to another preferred embodiment of the present invention, the data processing and storing module 4 is a built-in storage, a direct-connected storage DAS, a network access storage NAS, or a local area network storage SAN type data processing and storing module.
According to another preferred embodiment of the present invention, the filter plug-holding unit 5 is composed of an upper jaw 51, a lower jaw 52, a right shaft 54, and a left shaft 53; a left shaft 53 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the left end of the upper clamping plate and the lower clamping plate; a right shaft 54 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the right end of the upper clamping plate and the lower clamping plate; between the upper plate 51 and the lower plate 52, a cigarette 8 is placed.
According to another preferred embodiment of the present invention, a circular handle is provided at each of both ends of the left shaft 53 and the right shaft 54;
in accordance with another preferred embodiment of the present invention, the left and right shafts 53 and 54 are threadedly coupled to the upper and lower jaws 51 and 52, respectively.
The present invention will be described in more detail below.
The invention relates to an embedded contact cigarette temperature measuring device, and the specific composition unit of the device is shown in attached figure 1.
The embedded contact cigarette temperature measuring equipment comprises a filter tip clamping unit 5, a smoke filtering unit 6, a suction unit 7, a first temperature sensor 11, a second temperature sensor 12, a third temperature sensor 13, a fourth temperature sensor 14, an analog signal amplifying module 2, an analog/digital conversion module 3 and a data processing and storing module 4.
In the present invention, a first temperature sensor 11 is placed in the filter back section 81, a second temperature sensor 12 is placed in the filter 82, a third temperature sensor 13 is placed in the tobacco section 83, and a fourth temperature sensor 14 is placed on the cigarette paper and the plug wrap surfaces; the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 respectively detect temperature signals of all sections of the cigarettes 8 when the cigarettes are burnt.
According to the present invention, the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 are one or more selected from a type J thermocouple, a type T thermocouple, a type B thermocouple, a type K thermocouple, a type S thermocouple or a type E thermocouple.
In the invention, the J-type thermocouple is a thermocouple which consists of 55% of copper, 45% of nickel and a small amount of important manganese, cobalt, iron and other materials, the temperature measuring range of the J-type thermocouple is 0-750 ℃, and the J-type thermocouple has the advantages of good linearity, large thermoelectromotive force, high sensitivity, good stability and uniformity, low price and the like; the T-shaped thermocouple is understood to be a copper-constantan thermocouple and a copper-nickel thermocouple, the measuring temperature zone of the T-shaped thermocouple is-200 to 350 ℃, and the T-shaped thermocouple has the advantages of approximate temperature linearity, good reproducibility, fast heat transfer, good stability and uniformity, optimal stability in a temperature measuring interval of-200 to 0 ℃, low price and the like; type B thermocouples should be understood to be a noble metal thermocouple. The diameter of the coupling wire is specified to be 0.5mm, the allowable deviation is-0.015 mm, the nominal chemical components of the positive electrode (BP) are platinum-rhodium alloy, wherein the rhodium content is 30 percent, the platinum content is 70 percent, the negative electrode (BN) is platinum-rhodium alloy, the rhodium content is 6 percent, and the thermocouple is commonly called a double platinum-rhodium thermocouple. The thermocouple has a maximum long-term use temperature of 1600 ℃ and a maximum short-term use temperature of 1800 ℃. The temperature measuring device has the advantages of highest accuracy, best stability, wide temperature measuring temperature region, long service life and high upper temperature measuring limit; a type K thermocouple is understood to be a thermocouple made of nickel chromium and nickel silicon material, which can be used at a temperature of 1000 c for a long time. The surface temperatures of liquid vapor and gaseous media and solids can be measured directly in the range of 0 ℃ to 1300 ℃. It has the advantages of good linearity, large thermoelectromotive force, high sensitivity, good stability and uniformity, strong oxidation resistance, low price and the like; s-type thermocouples are understood to be noble metal thermocouples having a positive electrode made of platinum-rhodium metal and a negative electrode made of pure platinum metal, and measuring temperatures in the range of 0-1600 ℃. The temperature measuring device has the advantages of highest accuracy, best stability, wide temperature measuring temperature range, long service life and the like; the type E thermocouple is a thermocouple with a positive electrode made of nickel-chromium alloy and a negative electrode made of copper-nickel alloy, and the temperature measuring range of the thermocouple is-200-900 ℃. It has the advantages of large thermoelectromotive force, higher sensitivity than all thermocouples and suitability for being made into thermocouples. They are all products currently on the market, such as a J-type thermocouple sold by friendly-created high-temperature wire limited of foshan city as a commodity friendly high-temperature thermocouple wire, a T-type thermocouple sold by industrial automation instruments limited of shanghai jia under the trade name JASUN-230, a B-type thermocouple sold by woolly blue instruments limited of shanghai under the trade name WRR-B, a K-type thermocouple sold by leijiu of shanghai under the trade name nickel chromium nickel silicon wire, an S-type thermocouple sold by antancare gmbh under the trade name S-type thermocouple wire, and an E-type thermocouple sold by takawa electric corporation of zhengjiang. Of course, other thermocouples having the described properties may be used, provided that they do not adversely affect the overall detection process and the smoking process, and are within the scope of the present invention.
According to the invention, the diameters of the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 are less than 1mm, because the temperature sensors are required to be embedded in the test points in the cigarette temperature test process, and the diameters of the selected sensors are as small as possible in order to damage the combustion state of the cigarettes and ensure the integrity of the cigarettes as possible.
According to the present invention, the detection temperature ranges of the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13, and the fourth temperature sensor 14 are-50 ℃ to 1700 ℃. The detection temperature range of the sensors is not necessary to exceed the range, because firstly, the sensors capable of detecting the high temperature source of more than or equal to 1700 ℃ belong to noble metal thermocouples, the sensors belong to consumables in detection equipment, and the use cost is increased; secondly, the sensors have stable temperature measuring intervals, and the linear relation of the temperature in the intervals is relatively stable; thirdly, the highest combustion temperature of all the cigarettes looked up at present is about 1200 ℃, and a sensor with higher temperature measurement is not needed to be selected; fourthly, the temperature range of-50 ℃ to 1700 ℃ is selected because the sensor works at the temperature of 1200 ℃ for a long time, the upper limit of temperature measurement is generally 1500 ℃ to 1700 ℃, otherwise, the sensor is broken frequently due to thermal fatigue in a long-time high-temperature state, and the detection work is inconvenient.
In the invention, temperature signals detected by the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 are transmitted to the data processing and storing module 4 through the analog/digital conversion module 3 for data processing, and temperature data of each section of the cigarette 8 in a static combustion or suction state are obtained.
The analog signal amplification module 2 has the basic function of amplifying a weak electric signal acquired by the thermocouple and transmitting the amplified weak electric signal to the analog/digital conversion circuit to process the electric signal range, and simultaneously reduces attenuation and mixed signal interference in the signal transmission process. The analog signal amplification module 2 used in the invention is a MAX6675, E913.18, AD590 or LM358 type analog signal processing amplification module, and has the main advantages that MAX6675 is a thermocouple amplifier and a digital converter which integrate a thermocouple amplifier, cold end compensation, an A/D converter and an SPI serial port; the AD590 is a monolithic integrated circuit temperature sensor produced by American analog device company, directly converts the acquired temperature into an electric signal for output, and has the advantages of good linear relation, moderate precision, high sensitivity, small volume, convenient use and the like; LM358 is a dual operational amplifier, which includes two independent operational amplifiers with high gain and internal frequency compensation inside, is suitable for a single power supply with a wide range of power supply voltage, and is also suitable for a dual power supply working mode, and under the recommended working condition, the application range of the LM358 includes a sensing amplifier, a direct current gain module and other occasions using the operational amplifiers which can be powered by the single power supply; the analog signal amplifying modules 2 used in the present invention are commercially available products, such as MAX6675 analog signal processing amplifying module sold under the trade name MAXI by Beijing Shiyang electronic technology, Inc., AD590 analog signal processing amplifying module sold under the trade name AD590 temperature sensor by Shande Shang Zongxin sensing technology, Inc., and LM358 analog signal processing amplifying module sold under the trade name Tatai large chip LM358 by Shenzhen Maotai electronic technology, Inc.
The analog/digital conversion module 3 has the basic function of outputting specific temperature data after compiling and converting the electric signal transmitted by the sensor module in the embedded contact cigarette temperature measuring equipment. The analog/digital conversion module 3 used in the invention is a MAX6675, AT89C51 series or MAX1230 analog/digital conversion module, which have the main advantages that MAX6675 is a cold end temperature compensation, a thermocouple digital converter and converts the thermocouple signal into a digital signal. The AT89C51 is a low-voltage and high-performance CMOS 8-bit microprocessor with a memory, commonly called a singlechip, and is used for correspondingly outputting the transmitted analog amplification signal according to program compiling. MAX1230 is a 12-bit analog-to-digital conversion chip with temperature compensation function developed by MAXIM corporation, which has 16 input signal channels, low power consumption, flexible working mode, etc. The analog/digital conversion modules 3 used in the present invention are all products currently sold in the market, such as a MAX6675 model/digital conversion module sold under the trade name MAX6675 sensor interface module by Shenzhen Huaersing science and technology, an AT89C51 series model/digital conversion module sold under the trade name DIRECT chip AT89C51 by Shenzhen Yikexin electronic Limited, and a MAX1230 model/digital conversion module sold under the trade name MAX1230BCEG + T by Shenzhen Jun creative science and technology.
The data processing and storing module 4 has the basic functions of storing the temperature data output by the analog/digital conversion module 3, analyzing the data and displaying the picture of the temperature change curve in the embedded contact cigarette temperature measuring equipment. The data processing and storing module 4 used by the invention is a built-in storage, a direct-connected storage DAS, a network access storage NAS or a regional network storage SAN type data processing and storing module, and has the main advantages that the built-in storage is used for directly storing data in a PC hard disk, and the working environment does not need network participation; the direct-connected storage DAS is similar to a common PC storage architecture, and has the advantages of being suitable for small networks, networks with scattered geographic positions and special servers; the network access storage NAS has the advantages of plug and play, flexible deployment and low management cost, and can realize the network data sharing of all users; the SAN type data processing and storing module for the area network storage is based on optical fiber medium transmission, and has the advantages of high transmission rate and simultaneous consideration of the advantages of DAS and NAS storage modes. The data processing and storing module 4 used in the present invention is a product currently on the market, such as a built-in storage type data processing and storing module sold by Huashi, millet, and association under the trade name of personal notebook computer, a direct connection type storage DAS type data processing and storing module sold by QNAP of Germany under the trade name of TR004, a network access storage NAS type data processing and storing module sold by Ariyun under the trade name of a file storage NAS server, and a local area network storage SAN type data processing and storing module sold by DELL under the trade name of MD 1200.
The suction unit 7 is connected with the filter tip holding unit 5 through the smoke filtering unit 6; the cigarettes 8 are placed in the filter clamping unit 5; the specific structure of the unit of the suction unit 7 is shown in fig. 2.
According to the present invention, the filter plug-holding unit 5 is constituted by an upper jaw 51, a lower jaw 52, a right shaft 54 and a left shaft 53; a left shaft 53 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the left end of the upper clamping plate and the lower clamping plate; a right shaft 54 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the right end of the upper clamping plate and the lower clamping plate; between the upper plate 51 and the lower plate 52, a cigarette 8 is placed.
According to the present invention, a circular handle is provided at each of both ends of the left shaft 53 and the right shaft 54;
according to the present invention, left and right shafts 53 and 54 are threadedly coupled to the upper and lower plates 51 and 52, respectively.
The basic function of the smoke filtering unit 6 in the embedded contact cigarette temperature measuring equipment is to intercept moisture, tar and other substances in smoke and analyze the relationship between the temperature of the cigarette and harmful components, and the use of a suction pump is influenced because the substances directly enter the suction unit 7 at the rear end. The smoke filtering unit 6 used by the invention consists of a Cambridge filter disc and a needle type filter. The Cambridge filter sheet has the advantages that the rejection rate of 0.30 mu m DOP standard particles is more than 99.9 percent, the global cigarette standard 'Cambridge filter sheet method' special filter medium, the Cambridge filter sheet intercepts dry particles and nicotine in the ignition process of the cigarette, and the content of tar and nicotine is measured by HPLC. Most commercially available smoking machines are matched. The flue gas filtration units 6 used in the present invention are all commercially available products, such as cambridge filters sold under the trade name F319-04 filters by guangzhou hong Ye Biotech limited; such as the filter sold by Whatman under the trade name needle filter 6825-.
The basic function of the suction unit 7 in the embedded contact cigarette temperature measuring equipment is quantitative suction, the suction is performed for 2s per minute and 35ml of flow rate per minute according to the national standard requirement, the suction is stopped for 58 seconds, the circulation is performed in sequence, and meanwhile, the continuous suction can be set to be 35ml/2 s. The suction unit 7 used in the present invention is a syringe pump, a peristaltic pump or a diaphragm pump. The suction unit 7 used in the present invention is a product currently marketed, such as a micro small quantitative pump sold under the trade name DMS series by the shanghai kumi electronics company, a fully automatic single channel syringe pump sold under the trade name KL605T by the Nanjing beiden electronics technology company, and a flow peristaltic pump sold under the trade name BT100-1L by the Chongqing Kongpu company.
According to the GB/T19609-plus 2004 standard, the temperature condition of the cigarettes in the burning process of the cigarettes in the Hongta brand is detected by using the embedded contact type cigarette temperature measuring equipment in the smoking state, the detection point is a first temperature sensor 11, the temperature of a burning cone of a tobacco shred section is detected, and the burning temperature change of the cigarettes is listed in an attached figure 3.
Meanwhile, the cigarette temperature detection equipment of the conventional tobacco scientific research institution is adopted to detect the temperature condition of the cigarettes burning in the smoking state of the cigarettes of the same brand.
The test results show that the temperature data of the equipment has certain regularity; meanwhile, the temperature sensor has small volume, so that the damage to cigarettes is reduced; the consumption of the temperature sensor is obviously reduced; meanwhile, the device is added with the functions of analyzing smoke components, storing data and processing; and the design of a temperature sensor with 4 modules is also adopted, so that the requirement that one cigarette can simultaneously detect 4 temperature measuring points is met.
[ advantageous effects ]
The invention has the beneficial effects that:
A. the temperature sensor used by the invention meets the technical requirements of large temperature measurement range, small diameter, high heat loss temperature, high accuracy, quick thermal response time, small detection error range and the like.
B. The embedded contact cigarette temperature measuring equipment has the characteristics of accurate temperature measurement, high sensitivity and the like, is not limited to the detection of the temperature of the mainstream smoke at the rear end of the filter tip, and also detects the temperature of the mainstream smoke in the filter tip, the temperature of tobacco shred sections and the surface temperature of cigarette paper and forming paper.
C. The filter tip holding unit of the embedded contact type cigarette temperature measuring equipment adopts a soft interface or a hard-connection adjustable interface design, and meets the requirements of temperature detection of filter sticks of different specifications such as conventional cigarettes, medium cigarettes, fine cigarettes and the like of traditional tobaccos and novel tobacco cigarettes.
D. According to the embedded contact type cigarette temperature measuring equipment, the smoke filtering unit is additionally arranged, and smoke components can be obtained through analysis of the filter disc while cigarette temperature is detected.
[ description of the drawings ]
FIG. 1 is a diagram of the components of the embedded contact cigarette temperature measuring device of the present invention;
FIG. 2 is a schematic structural view of a filter clamping unit 5 of the embedded contact cigarette temperature measuring device according to the present invention;
FIG. 3 is a graph showing the combustion temperature of a cigarette detected by the embedded contact cigarette temperature measuring device of the invention;
in the figure:
11-a first temperature sensor; 12-a second temperature sensor; 13-a third temperature sensor; 14-a fourth temperature sensor; 2-an analog signal amplification module; 3-an analog/digital conversion module; 4-a data processing and storing module; 5-a filter tip holding unit; 51-upper splint; 52-lower splint; 53-left axis; 54-right axis; 6-a flue gas filtering unit; 7-a suction unit; 8-cigarette.
[ detailed description ] embodiments
The invention will be better understood from the following examples.
Example 1: the invention relates to an embedded contact type cigarette temperature measuring device
The implementation of this example is as follows:
the embedded contact cigarette temperature measuring equipment comprises a filter tip clamping unit 5, a smoke filtering unit 6, a suction unit 7, a first temperature sensor 11, a second temperature sensor 12, a third temperature sensor 13, a fourth temperature sensor 14, an analog signal amplifying module 2, an analog/digital conversion module 3 and a data processing and storing module 4;
the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13, and the fourth temperature sensor 14 used in this example are S-type platinum-rhodium-platinum alloy thermocouples sold by the company of skyscraper gmbh under the trade name of S-type thermocouple wires, and the detection temperature range thereof is 0 to 1600 ℃, the error range thereof is ± 0.25% T, and the diameter thereof is 0.3 mm;
a first temperature sensor 11 is placed in the back filter section 81, a second temperature sensor 12 is placed in the filter 82, a third temperature sensor 13 is placed in the tobacco section 83, and a fourth temperature sensor 14 is placed on the cigarette paper and plug wrap surfaces; the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 respectively detect temperature signals of all sections of the cigarettes 8 when the cigarettes are burnt;
these temperature signals are transmitted to a built-in storage type data processing and storing module 4 sold by Huashi corporation under the trade name of a personal notebook computer for data processing through a MAX6675 model/number conversion module 3 sold under the trade name of MAXI by Beijing Shiyang electronic technology corporation, so as to obtain a temperature data curve of the cigarette 8 in a smoking state, which is specifically shown in FIG. 3.
The suction unit 7 is connected with the filter tip holding unit 5 through the smoke filtering unit 6; the cigarettes 8 are placed in the filter clamping unit 5; the filter plug-clamping unit 5 is composed of an upper clamp plate 51, a lower clamp plate 52, a right shaft 54 and a left shaft 53; a left shaft 53 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the left end of the upper clamping plate and the lower clamping plate; a right shaft 54 vertically passing through the upper clamping plate 51 and the lower clamping plate 52 is arranged at the right end of the upper clamping plate and the lower clamping plate; a cigarette 8 is placed between the upper clamping plate 51 and the lower clamping plate 52; a round handle is respectively arranged at the two ends of the left shaft 53 and the right shaft 54; the left 53 and right 54 shafts are respectively connected with the upper clamp plate 51 and the lower clamp plate 52 in a threaded connection way; the smoke filter unit 6 is a cambridge filter sold by hong Ye, Guangzhou under the trade name F319-04; the suction unit 7 is a peristaltic pump sold under the name BT100-1L by the company naipu, Chongqing.
The pumping unit 7 is arranged to select intermittent pumping, and according to GB/T16450-2004 pumping standard, 35ml of cigarette with brands is pumped within 2s per minute, and 58s of pumping is stopped, and the circulation is performed in sequence. And (4) selecting to detect the temperature of the combustion cone, and embedding a thermocouple at the position of 3.85mm inside the tobacco shred section. The results are shown in Table 1:
table 1: detection result of tobacco shred section temperature during cigarette smoking
| Number of aspirations | Temperature, C |
| 1 | 881 |
| 2 | 873 |
| 3 | 890 |
| 4 | 901 |
| 5 | 878 |
| 6 | 920 |
| 7 | 975 |
| 8 | 899 |
| 9 | 869 |
| 10 | 880 |
Example 2: the invention relates to an embedded contact type cigarette temperature measuring device
The embodiment of this example is the same as the embodiment of example 1 except that the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 used in this example are K-type nichrome-nickel-silicon alloy thermocouples sold under the trade name nickel-chromium-nickel-silicon wire by shanghainejiu, whose detection temperature range is 0 to 1300 ℃, whose error range is ± 0.75% T, whose diameter is 0.25 mm;
these detected temperature signals are transmitted to the direct connection type storage DAS type data processing storage module 4 sold under the trade name TR004 by QNAP company in Germany for data processing through an AT89C51 series analog/digital conversion module 3 sold under the trade name AT89C51 by hundred million Kexin company in Shenzhen, and temperature data of the cigarette 8 in a smoking state are obtained.
The smoke filter unit 6 is a F391-04 cambridge filter sold under the trade name guangzhou hong Ye corporation; the pumping unit 7 is a micro-miniature dosing pump sold by the Shanghai Kunststo electronics company under the trade name DMS series.
The pumping unit 7 is arranged to select intermittent pumping, 35ml of cigarettes are pumped within 2s per minute by using the Hongtashan cigarettes according to GB/T16450-2004 pumping standard, and the pumping is stopped for 58s, and the steps are circulated in sequence. And (4) selecting to detect the temperature of the combustion cone, and embedding a thermocouple at the position of 3.85mm inside the tobacco shred section. The results are shown in Table 2:
table 2: detection result of tobacco shred section temperature during cigarette smoking
| Number of aspirations | Temperature, C |
| 1 | 879 |
| 2 | 901 |
| 3 | 898 |
| 4 | 920 |
| 5 | 945 |
| 6 | 918 |
| 7 | 929 |
| 8 | 947 |
| 9 | 882 |
| 10 | 918 |
Example 3: the invention relates to an embedded contact type cigarette temperature measuring device
The embodiment of this example is the same as that of example 1 except that the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 used in this example are E-type NiCrCuNi alloy thermocouples, the detection temperature range of which is 0 to 800 ℃, the error range of which is + -0.25% T, and the diameter of which is 0.3 mm;
the detected temperature signals are transmitted to a network access storage NAS type data processing and storing module 4 sold by an Aliyun company as a file storage NAS server for data processing through a MAX1230 type mode/data conversion module 3 sold by the Shenzhen Jun Chunda science and technology company as MAX1230BCEG + T, and temperature data of each section of the cigarette 8 in a static combustion state are obtained.
The smoke filter unit 6 is a F391-04 cambridge filter sold under the trade name guangzhou hong Ye corporation; the suction unit 7 is a fully automatic single channel direct injection pump sold under the trade name KL605T by beiden electron technology, south kyo.
The pumping unit 7 is arranged to select intermittent pumping, 35ml of cigarettes are pumped within 2s per minute by using the Hongtashan cigarettes according to GB/T16450-2004 pumping standard, and the pumping is stopped for 58s, and the steps are circulated in sequence. And (4) selecting to detect the temperature of the combustion cone, and embedding a thermocouple at the position of 3.85mm inside the tobacco shred section. The results are shown in Table 3:
table 3: detection result of tobacco shred section temperature during cigarette smoking
| Number of aspirations | Temperature, C |
| 1 | 780 |
| 2 | 783 |
| 3 | 801 |
| 4 | 799 |
| 5 | 789 |
| 6 | 797 |
| 7 | 793 |
| 8 | 787 |
| 9 | 766 |
| 10 | 760 |
Example 4: the invention relates to an embedded contact type cigarette temperature measuring device
The embodiment of this example is the same as that of example 1 except that the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 used in this example are E-type NiCrCuNi alloy thermocouples, the detection temperature range of which is 0 to 800 ℃, the error range of which is + -0.25% T, and the diameter of which is 0.3 mm;
these temperature signals are transmitted to the data processing and storage module 4 of the area network storage SAN type, sold under the trade name MD1200 by DELL company, for data processing through the MAX1230 type model/number conversion module 3 sold under the trade name MAX1230BCEG + T by Shenzhen Jun Chunda technology company, and temperature data of the cigarette 8 in the smoking state are obtained.
The smoke filter unit 6 is a F391-04 cambridge filter sold under the trade name guangzhou hong Ye corporation; the suction unit 7 is a fully automatic single channel direct injection pump sold under the trade name KL605T by beiden electron technology, south kyo.
The pumping unit 7 is arranged to select intermittent pumping, 35ml of cigarettes are pumped within 2s per minute by using the Hongtashan cigarettes according to GB/T16450-2004 pumping standard, and the pumping is stopped for 58s, and the steps are circulated in sequence. The temperature of the filter section is selected to be detected, and the thermocouple is embedded in the 3.45mm position inside the filter section. The results are shown in Table 4:
table 4: detection result of filter tip section temperature during cigarette smoking
| Number of aspirations | Temperature, C |
| 1 | 45 |
| 2 | 67 |
| 3 | 56 |
| 4 | 49 |
| 5 | 65 |
| 6 | 67 |
| 7 | 55 |
| 8 | 53 |
| 9 | 49 |
| 10 | 52 |
Example 5: the invention relates to an embedded contact type cigarette temperature measuring device
This example is the same as example 1 except that the first temperature sensor 11, the second temperature sensor 12, the third temperature sensor 13 and the fourth temperature sensor 14 used in this example are K-type nichrome-nickel-silicon thermocouples, the detection temperature range of which is 0 to 1300 ℃, the error range of which is ± 0.75% T, and the diameter of which is 0.25 mm;
the detected temperature signals are transmitted to a direct connection type storage DAS type data processing storage module 4 sold under the trade name TR004 by the Shenzhen Huaelmicrosheng company under the trade name MAX6675 for data processing through a MAX6675 type data/data conversion module 3 sold under the trade name TR004 by the Shenzhen Huaelmicrosheng company, and temperature data of each section of the cigarette 8 in a static combustion or suction state are obtained.
The smoke filter unit 6 is a F391-04 cambridge filter sold under the trade name guangzhou hong Ye corporation; the suction unit 7 is a flow peristaltic pump sold under the name BT100-1L by the company naipu, Chongqing.
The pumping unit 7 is arranged to select intermittent pumping, 35ml of cigarettes are pumped within 2s per minute by using the Hongtashan cigarettes according to GB/T16450-2004 pumping standard, and the pumping is stopped for 58s, and the steps are circulated in sequence. And (4) selecting to detect the temperature of the combustion cone, and embedding a thermocouple at the position of 3.85mm inside the filter section. The results are shown in Table 5:
table 5: detection result of filter tip section temperature during cigarette smoking
| Number of aspirations | Temperature, C |
| 1 | 47 |
| 2 | 45 |
| 3 | 51 |
| 4 | 53 |
| 5 | 49 |
| 6 | 56 |
| 7 | 53 |
| 8 | 48 |
| 9 | 50 |
| 10 | 56 |
The implementation results of the embodiments 1 to 5 show that the selection of the temperature measuring sensor used by the invention meets the technical requirements of large temperature measuring range, small diameter, high heat loss temperature, high accuracy, fast thermal response time, small detection error range and the like.
Claims (10)
1. An embedded contact cigarette temperature measuring device comprises a filter tip clamping unit (5), a smoke filtering unit (6) and a suction unit (7), and is characterized by further comprising a first temperature sensor (11), a second temperature sensor (12), a third temperature sensor (13), a fourth temperature sensor (14), an analog signal amplifying module (2), an analog-to-digital conversion module (3) and a data processing and storing module (4);
the suction unit (7) is connected with the filter tip clamping unit (5) through the smoke filtering unit (6); the cigarette (8) is arranged in the filter tip clamping unit (5);
a first temperature sensor (11) is arranged in the rear section (81) of the filter, a second temperature sensor (12) is arranged in the filter (82), a third temperature sensor (13) is arranged in the tobacco section (83), and a fourth temperature sensor (14) is arranged on the surfaces of the cigarette paper and the forming paper; a first temperature sensor (11), a second temperature sensor (12), a third temperature sensor (13) and a fourth temperature sensor (14) respectively detect temperature signals of all sections of the cigarettes (8) when the cigarettes are burnt; the detected temperature signals are transmitted to a data processing and storing module (4) through an analog/digital conversion module (3) for data processing, and temperature data of each section of the cigarette (8) in a static combustion or suction state are obtained.
2. The inline contact cigarette thermometry apparatus according to claim 1, wherein the first temperature sensor (11), the second temperature sensor (12), the third temperature sensor (13), and the fourth temperature sensor (14) are one or more selected from the group consisting of a type J thermocouple, a type T thermocouple, a type B thermocouple, a type K thermocouple, a type S thermocouple, and a type E thermocouple.
3. The embedded contact cigarette temperature measurement device according to claim 1, wherein the diameters of the first temperature sensor (11), the second temperature sensor (12), the third temperature sensor (13) and the fourth temperature sensor (14) are less than 1 mm.
4. The embedded contact cigarette temperature measuring equipment according to claim 3, wherein the detection temperature ranges of the first temperature sensor (11), the second temperature sensor (12), the third temperature sensor (13) and the fourth temperature sensor (14) are-50 ℃ to 1700 ℃.
5. The embedded contact cigarette temperature measurement equipment according to claim 1, wherein the analog signal amplification module (2) is a MAX6675, E913.18, AD590 or LM358 analog signal processing amplification module.
6. The in-line contact cigarette thermometry equipment according to claim 1, wherein the analog/digital conversion module (3) is a MAX6675, AT89C51 series or MAX1230 analog/digital conversion module.
7. The embedded contact type cigarette temperature measuring equipment according to claim 1, wherein the data processing and storing module (4) is a built-in storage, a direct-connected storage DAS, a network access storage NAS, or a regional network storage SAN type data processing and storing module.
8. The embedded contact cigarette temperature measuring equipment according to the claim 1 is characterized in that the filter tip clamping unit (5) is composed of an upper clamping plate (51), a lower clamping plate (52), a right shaft (54) and a left shaft (53); a left shaft (53) vertically penetrating through the upper clamping plate (51) and the lower clamping plate (52) is arranged at the left ends of the upper clamping plate and the lower clamping plate; a right shaft (54) vertically penetrating through the upper clamping plate (51) and the lower clamping plate (52) is arranged at the right end of the upper clamping plate and the lower clamping plate; a cigarette (8) is placed between the upper clamping plate (51) and the lower clamping plate (52).
9. The embedded contact type cigarette temperature measuring equipment according to claim 8, wherein a round handle is respectively arranged at both ends of the left shaft (53) and the right shaft (54).
10. The in-line contact cigarette thermometry apparatus according to claim 8 or 9, wherein the left (53) and right (54) shafts are threadedly connected to the upper (51) and lower (52) clamp plates, respectively.
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| CN113414720A (en) * | 2020-06-18 | 2021-09-21 | 湖北工业大学 | Cigarette clamping and sealing device |
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