CN102680141A - Novel device for manufacturing cigarette smoking temperature detection part - Google Patents
Novel device for manufacturing cigarette smoking temperature detection part Download PDFInfo
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- CN102680141A CN102680141A CN2012101722716A CN201210172271A CN102680141A CN 102680141 A CN102680141 A CN 102680141A CN 2012101722716 A CN2012101722716 A CN 2012101722716A CN 201210172271 A CN201210172271 A CN 201210172271A CN 102680141 A CN102680141 A CN 102680141A
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Abstract
The invention discloses a novel device for manufacturing a cigarette smoking temperature detection part. The device is formed by combining a cigarette prepunching and temperature sensor insertion unit (1), a cigarette clamper, cigarette clamper fixing unit (2) and a cigarette adsorption and fixing unit (3), wherein the units are electrically connected or in signal connection with an automatic control system. The device has the advantages that 1, the axial position, number and interval can be accurately controlled during cigarette prepunching, various experimental demands can be met by using different types of temperature sensor modules in a matched mode; 2, the cigarette is prepunched at high speed, so that the cigarette cannot be deformed during prepunching, the temperature sensors can be easily inserted in the subsequent working process, and the repeatability of experimental results is improved; and 3, the temperature sensors are inserted into the cigarette by rotating a micrometer caliper, the radial insertion precision is 0.01mm, and the axial positions can be finely adjusted through a control panel before the temperature sensors are inserted into the cigarette, so that the temperature sensors are in one-to-one correspondence to guiding holes, damage to the temperature sensors is reduced, and the service lives of the temperature sensors are prolonged.
Description
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Technical field
The invention belongs to cigarette and burn and suck index detection technique field, be specifically related to a kind of new cigarette and burn and suck the temperature detection part producing device.
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Background technology
Cigarette itself is regarded the reactor of a complicacy as; Within it portion burn, series of chemical such as cracking; Cigarette burning awl interior temperature distribution is influence the key factor that smoke components generates, and measures cigarette and burns and sucks Temperature Distribution in the process to the formation of research cigarette flue gas aerosol, transmission and finally the composition of flue gas is all significant.Detect for Temperature Distribution, forefathers have done a large amount of work, and more formed pick-up units and method just progressively move to maturity.
Mention the producing device that a kind of cigarette burns and sucks the Temperature Distribution detection part by the Zhengzhou tobacco research institute application and the patent of invention (201010564676.5) of having authorized; Comprise that temperature sensor automatic carry device, temperature sensor carry are goed deep into stop means, the cigarette clamping device combines, interconnect through automatic control system between each device.Advantage is: realized that 1, cigarette burns and sucks Temperature Distribution and detects the robotization made from detection part; 2, can accurately control the position of temperature sensor in tested cigarette; 3, the remote insertion of sets of temperature sensors does not influence cigarette and burns and sucks the natural convection of process air around the cigarette, cooperates insert design not influence the smoking result of ventilation filter tip with smoking machine simultaneously; 4, the modularization of sets of temperature sensors, punching and insert automatically fast design and reduced in the manufacturing process temperature sensor is damaged in advance; 5, can better mate with various types of smoking machines; Plug and play when 6, incorporate sets of temperature sensors has really realized the testing process installation.Weak point is: 1, the axial location of temperature sensor and interval thereof can't freely be controlled; 2, fast impacting type in advance punching cigarette prop up water percentage slightly Gao Shiyi cause the cigarette distortion; 3, when propping up to deform or insert fast automatically when using thinner temperature sensor, cigarette is prone to cause whole group temperature sensor to damage.
Mention a kind of cigarette by the Zhengzhou tobacco research institute application and the patent of invention (201010564689.2) of having authorized and burn and suck Temperature Distribution detector and autocontrol method thereof; Developed the automatic control system of temperature distributing detecting device and this pick-up unit; Automatic control system is made up of the solenoid-driven cylinder system of guidance panel, PLC, PLC performance element, sensing element and the domination of controlled program, and said temperature distributing detecting device comprises temperature sensor automatic carry device, temperature sensor carry degree of depth stop means and the cigarette clamping device that matees with smoking machine.Advantage is: PLC, computing machine and realized that be used (coupling) of smoking machine cigarette burns and sucks the robotization that Temperature Distribution detects; Can accurately control the position of temperature sensor in tested cigarette; Provide the higher cigarette of a kind of automaticity to burn and suck Temperature Distribution detector and autocontrol method thereof, can satisfy the researcher and the quality testing personnel detect the needs that cigarette burns and sucks Temperature Distribution in the process.
Mention a kind of cigarette by the Zhengzhou tobacco research institute application and the patent of invention (201010564712.8) of having authorized and burn and suck data acquisition, control method and the system thereof that Temperature Distribution detects, realize through n group sets of temperature sensors, compensating wire, signal condition module, high-speed collection card, computing machine and test Control Software, smoking machine, sensing element combination.Advantage of the present invention has provided a kind of and the cigarette coupling of smoking machine working procedure burns and sucks data acquisition, the control method that Temperature Distribution detects; Can satisfy the researcher and the quality testing personnel detect the needs that cigarette burns and sucks Temperature Distribution in the process; The design of Data Acquisition and Conversion System (DACS) has realized accurately, quick, stable, undamped data acquisition; Can set the technological parameter of gathering according to user's needs simultaneously; Realized effective coupling of the condition of work of this detector and smoking machine, overcome in the manual operation influence testing result.
In sum; The control method of forefathers' exploitation and system thereof have been tending towards ripe; The result of use performance is good; But perforation performance when some cigarette of processing props up is undesirable especially in advance for pick-up unit hardware, and mainly have following key issue: 1, the axial location of temperature sensor and interval thereof can't freely be controlled; 2, impacting type in advance punching cigarette prop up water percentage slightly Gao Shiyi cause the cigarette distortion; 3, when propping up to deform or insert fast automatically when using thinner temperature sensor, cigarette is prone to cause whole group temperature sensor to damage.
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Summary of the invention
The object of the invention just is being based on above-mentioned existing in prior technology problem and is providing a kind of new cigarette to burn and suck the temperature detection part producing device.Mainly be the improvement of carrying out to the preparatory perforation of cigarette, and then realize the accurate control of preparatory punch position, quantity and spacing, guarantee that cigarette is indeformable in the preparatory punching process, improve the repeatability of experimental result and the serviceable life that prolongs temperature sensor.
The objective of the invention is to realize through following technical scheme:
New cigarette of the present invention burns and sucks the temperature detection part producing device; Comprise that the preparatory punching of cigarette and temperature sensor carry unit, cigarette clamper and fixed cell thereof, cigarette absorption fixed cell combine, each unit all is electrically connected with automatic control system or signal is connected;
In advance punching and temperature sensor carry unit comprise pedestal to said cigarette, the preparatory punching unit, the cigarette that are arranged on the pedestal prop up axial apart from infrared eye and temperature sensor carry assembly; In advance punching unit is by preparatory punching unit underframe, grooved bit and the being used to cylinder that drives drill bit constitutes in advance; Temperature sensor carry assembly is made up of temperature sensor, temperature sensor connecting rod, temperature sensor module, module draw-in groove, module pressing plate and sensor insertion depth control micrometer caliper; Pedestal integral body can drive lower edge clamper axial direction horizontal shift at the magneto generator parts, and the grooved bit horizontal level is identical with the temperature sensor horizontal level in advance;
Said cigarette clamper and fixed cell thereof comprise firm banking, are arranged on the cigarette clamper on the firm banking, tested cigarette props up, cigarette clamper and temperature sensor module connecting rod, cigarette clamper and smoking machine link, cigarette clamper compression device and cigarette clamper inductive means are formed;
Said cigarette absorption fixed cell comprises that support, rack-mount cigarette absorption fixator and negative pressure joint constitute, and the negative pressure joint can be connected with outside negative suction system.
In the present invention, said automatic control system constitutes by guidance panel, PLC, PLC performance element and with the PLC performance element is electrically connected or signal is connected cylinder, air motor, magneto generator, infrared eye and cigarette clamper inductive means jointly.
Job step of the present invention is: at first cigarette to be measured is propped up and insert in the cigarette clamper; The cigarette clamper propped up together with cigarette to be measured be placed in the clamper fixed cell; After inductive means in the clamper fixed cell detects the cigarette clamper; Cigarette clamper compression device starts, auto lock cigarette clamper.Start cigarette absorption fixed cell simultaneously, cigarette absorption is locked; Preparatory punching axial location and interval are set in guidance panel; Button starts automatically punching in advance; In advance perforation unit is started working, and squeezes into the pilot hole of the tested cigarette radius degree of depth at the cigarette desired location, and punching is accomplished the preparatory perforation unit in back and under the driving of magneto generator, got back to ad-hoc location; Temperature sensor is positioned on the temperature sensor module draw-in groove, utilizes the temperature sensor module fixture to be fixed; Rotation insertion depth control micrometer caliper inserts Cigarette by the experiment demand degree of depth with temperature sensor; Utilize the connecting rod securing member that temperature sensor module and cigarette clamper are connected into an integral body; After completing, the cigarette of producing device adsorbs fixed cell and folder cigarette device fixed cell automatic unlocking, the folder cigarette device that connects, temperature sensor module is shifted being mounted to smoking machine with cigarette to be measured.
The automatic control system that new cigarette described in the present invention burns and sucks the temperature detection part producing device realizes through guidance panel, PLC, solenoid valve, cylinder, air motor, magneto generator, infrared positioning probe and sensing element combination.Its course of work can be described as: at first new cigarette is burnt and sucked the temperature detection part producing device through PLC establishment control program; Next guidance panel executive control program; Infrared positioning probe and sensing unit spare are transferred to control program with signal; Control program drives the action that realizations such as cylinder, air motor, magneto generator need execution through control electromagnetic valve.
The present invention has following advantage:
1, to cigarette in advance punching axial location, in advance punch quantity, the spacing of punching can accurately be controlled in advance, can satisfy the kinds of experiments demand through the temperature sensor module that is used different model.
2, the cigarette working method of punching in advance is a high-speed drilling, can guarantee that cigarette is indeformable in punching process in advance, is easier to the insertion of temperature sensor in the follow-up work process and improves the repeatability of experimental result.
3, sets of temperature sensors is inserted cigarette through the rotating screw mircrometer gauge; Radially inserting precision is 0.01mm; And temperature sensor can be finely tuned axial location through control panel before inserting; Make temperature sensor corresponding one by one, reduce to greatest extent, prolong its serviceable life the temperature sensor infringement with pilot hole.
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Description of drawings
Fig. 1 is in advance punching and a temperature sensor carry unit structural drawing of cigarette cigarette, and wherein D is an axonometric drawing, and A, B, C are respectively the A, B, C of D to view.
Among Fig. 1: 1-1, pedestal, 1-2, cylinder, 1-3, preparatory grooved bit; 1-4, preparatory punching unit underframe, 1-5, temperature sensor, 1-6, cigarette prop up axial apart from infrared eye; 1-7, temperature sensor connecting rod, 1-8, temperature sensor module, 1-9, sensor insertion depth control micrometer caliper; 1-10, temperature sensor module pressing plate, 1-11 temperature sensor module draw-in groove, 1-12, magneto generator.
Fig. 2 is cigarette clamper and fixed cell structural drawing thereof, and wherein D is an axonometric drawing, and A, B, C are respectively the A, B, C of D to view.
Among Fig. 2: 2-1, firm banking, 2-2, cigarette clamper, 2-3, cigarette clamper and temperature sensor module connecting rod; 2-4, cigarette clamper and smoking machine link; 2-5, tested cigarette prop up, 2-6, cigarette clamper compression device, 2-7, cigarette clamper inductive means.
Fig. 3 is cigarette absorption fixed cell structural drawing, and wherein D is an axonometric drawing, and A, B, C are respectively the A, B, C of D to view.
Among Fig. 3: 3-1, negative pressure joint, 3-2 cigarette absorption fixator, 3-3, support.
Fig. 4 burns and sucks Temperature Distribution detector cigarette producing device structural representation for cigarette of the present invention.
Among Fig. 4: 1, the cigarette cigarette punches and the temperature sensor carry unit in advance; 2, induction of cigarette clamper and fixed cell; 3, cigarette absorption fixed cell; 4, Programmable Logic Controller (PLC); 5, PLC performance element; 6, touch screen guidance panel.
Fig. 5 is an Automatic Control Theory block diagram of the present invention
Embodiment
Below in conjunction with accompanying drawing the present invention is explained further details.
New cigarette of the present invention burns and sucks the temperature detection part producing device; Comprise that the preparatory punching of cigarette and temperature sensor carry unit (1), cigarette clamper and fixed cell (2) thereof, cigarette absorption fixed cell (3) combine, each unit all is electrically connected with automatic control system or signal is connected.
The present invention realize the course of work be:
In conjunction with Fig. 1-Fig. 5; At first will press from both sides cigarette device (referring to Fig. 2) and take off, take out the experiment last time stub that stays, and insert next cigarette to be measured and prop up 2-5 from smoking machine; Cigarette clamper 2-2 is propped up 2-5 together with cigarette to be measured to be placed among the stationary installation base 2-1; After the automatic inductive means 2-7 of stationary installation base sensed folder cigarette device, auto lock started cigarette absorption fixator 3-2 in the cigarette absorption fixed cell 3 simultaneously and cigarette is propped up is locked; Set preparatory punching axial location and interval; Button starts automatically punching in advance; In advance the cylinder 1-2 in the perforation unit (Fig. 1), grooved bit 1-3, cigarette prop up and axially start working apart from infrared eye 1-6 in advance; Squeeze into the pilot hole of the tested cigarette radius degree of depth at the cigarette desired location, punching is accomplished the preparatory perforation unit in back and under the driving of magneto generator 1-12, is got back to ad-hoc location; Temperature sensor module 1-8 is positioned on the temperature sensor module draw-in groove 1-11, and 1-10 fixes with pressing plate; Rotating screw mircrometer gauge 1-9 inserts cigarette to be measured by the experiment demand degree of depth with temperature sensor 1-5 and props up 2-5; Utilize the trip bolt connecting rod that temperature sensor module 1-8 is connected into an integral body with folder cigarette device; Click work is accomplished, and the cigarette of producing device adsorbs fixed cell 3 and folder cigarette device stationary installation automatic unlocking, the folder cigarette device that connects, temperature sensor module is shifted being mounted to smoking machine with cigarette to be measured.
Preparatory punching unit, cigarette that preparatory perforation unit of said cigarette cigarette and temperature sensor carry unit (Fig. 1) comprise pedestal 1-1, be arranged on the pedestal prop up axial apart from infrared eye 1-6 and temperature sensor carry assembly; In advance punching unit is by preparatory punching unit underframe 1-4, grooved bit 1-3, the cylinder 1-2 that is used to drive drill bit constitute in advance; Temperature sensor carry assembly is made up of temperature sensor 1-5, temperature sensor connecting rod 1-7, temperature sensor module 1-8, module draw-in groove 1-11, module pressing plate 1-10 and sensor insertion depth control micrometer caliper 1-9; Pedestal 1-1 integral body can be at magneto generator 1-12 along the horizontal shift of cigarette clamper axial direction, and grooved bit 1-3 horizontal level is identical with temperature sensor 1-5 horizontal level in advance.The course of work that the present invention realizes is: start touch screen guidance panel 6, click is started working, and at first the preparatory grooved bit 1-3 of cigarette drives return-to-zero next time at magneto generator 1-12; Pack into then and press from both sides the cigarette device, the object inductive means 2-7 of firm banking will sense the existence of this folder cigarette device, with its locking; Axial location, pin hole spacing and the punching number of preparatory punching are set; Click punching in advance automatically; Infrared eye 1-6 begins to measure the magneto generator range ability from detecting the cigarette end face; Preparatory grooved bit 1-3 begins high speed rotating when arriving desired location, and the cylinder 1-2 that punches in advance promotes grooved bit and on cigarette, gets out the pilot hole of setting quantity and spacing, and magneto generator was returned to ad-hoc location after work was accomplished; Temperature sensor module 1-8 is placed on module draw-in groove 1-11 internal fixation; Rotating screw mircrometer gauge 1-9; Make temperature sensor 1-5 radially insert the cigarette certain depth, utilize trip bolt and connecting rod 2-3 will press from both sides cigarette device 2-2 and temperature sensor module 1-8 fixes, click work is accomplished; The absorption of producing device and tight lock are removed, and the course of work of this device finishes.
Said cigarette clamper and fixed cell 2 thereof comprise firm banking 2-1, are arranged on the cigarette clamper 2-2 on the firm banking, tested cigarette props up 2-5, cigarette clamper and temperature sensor module connecting rod 2-3, cigarette clamper and smoking machine link 2-4, cigarette clamper compression device 2-6 and cigarette clamper inductive means 2-7 form.The course of work of this device can be described as, and will press from both sides the cigarette device and take off from smoking machine, takes out next tested cigarette of stub insertion and props up 2-5; Together be positioned among the firm banking 2-1, after the object inductive means 2-7 of this device senses folder cigarette device 2-2, auto lock; Under the guidance of control program, accomplish and punch in advance, locate, after the steps such as the quantitative insertion of temperature sensor module; Clamper is connected with connecting rod 2-3 with temperature sensor module; Remove locking, will press from both sides the smoking machine that cigarette device and temperature sensor are together installed, the course of work of this device finishes.
The automatic control system of the detection part of Temperature Distribution described in the present invention producing device through guidance panel (6), PLC (4), PLC performance element (5), in advance punch cylinder 2-2, grooved bit 2-3, cigarette prop up and axially realize apart from combinations such as infrared eye 2-6, magneto generator 1-12 and inductive means 2-7 in advance.Its course of work can be described as (referring to Fig. 4 and Fig. 5): at first Temperature Distribution detection part spare producing device is worked out control program through PLC; Secondly through touch screen guidance panel executive control program; Cigarette props up and axially apart from infrared eye 1-6 and inductive means 2-7 signal is transferred to control program; Control program through the PLC performance element, in advance punch cylinder 2-2, in advance realization such as grooved bit 2-3 need the action of execution.
Claims (2)
1. a new cigarette burns and sucks the temperature detection part producing device; It is characterized in that: it comprise cigarette in advance punching and temperature sensor carry unit (1), cigarette clamper and fixed cell (2) thereof, cigarette absorption fixed cell (3) combine, each unit all is connected with automatic control system electrical connection or signal;
In advance punching and temperature sensor carry unit comprise pedestal (1-1) to said cigarette, the preparatory punching unit, the cigarette that are arranged on the pedestal prop up axial apart from infrared eye (1-6) and temperature sensor carry assembly; In advance punching unit is by preparatory punching unit underframe (1-4), grooved bit (1-3) and cylinder (1-2) formation that is used to drive drill bit in advance; Temperature sensor carry assembly is made up of temperature sensor (1-5), temperature sensor connecting rod (1-7), temperature sensor module (1-8), module draw-in groove (1-11), module pressing plate (1-10) and sensor insertion depth control micrometer caliper (1-9); Pedestal (1-1) integral body can drive lower edge clamper axial direction horizontal shift at magneto generator (1-12) parts, and grooved bit (1-3) horizontal level is identical with temperature sensor (1-5) horizontal level in advance;
Said cigarette clamper and fixed cell (2) thereof comprise firm banking (2-1), are arranged on the cigarette clamper (2-2) on the firm banking, tested cigarette props up (2-5), cigarette clamper and temperature sensor module connecting rod (2-3), cigarette clamper and smoking machine link (2-4), cigarette clamper compression device (2-6) and cigarette clamper inductive means (2-7) are formed;
Said cigarette absorption fixed cell (3) comprises that support (3-3), rack-mount cigarette absorption fixator (3-2) and negative pressure joint (3-1) constitute, and the negative pressure joint can be connected with outside negative suction system.
2. new cigarette according to claim 1 burns and sucks the temperature detection part producing device, it is characterized in that: said automatic control system by guidance panel (6), PLC (4), PLC performance element (5) and with the common formation of PLC performance element (5) is electrically connected or signal is connected cylinder (1-7), air motor (1-8), magneto generator, infrared eye (1-6) and cigarette clamper inductive means (2-7).
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CN201210172271.6A CN102680141B (en) | 2012-05-30 | 2012-05-30 | Novel device for manufacturing cigarette smoking temperature detection part |
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CN201210172271.6A CN102680141B (en) | 2012-05-30 | 2012-05-30 | Novel device for manufacturing cigarette smoking temperature detection part |
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CN102680141A true CN102680141A (en) | 2012-09-19 |
CN102680141B CN102680141B (en) | 2014-08-20 |
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Cited By (10)
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CN103116000A (en) * | 2013-01-16 | 2013-05-22 | 中国科学院安徽光学精密机械研究所 | Automatic cigarette ignition tendency test device |
CN105651626A (en) * | 2015-12-23 | 2016-06-08 | 中国烟草总公司郑州烟草研究院 | Automatic control detection device and detection method for cigarette combustion coal fall-off performance |
CN107727264A (en) * | 2017-11-10 | 2018-02-23 | 中国烟草总公司郑州烟草研究院 | A kind of electronic cigarette temperature-detecting device |
CN108033262A (en) * | 2017-12-29 | 2018-05-15 | 中国烟草总公司郑州烟草研究院 | A kind of cigarette falls the device and method that head detection judges and cigarette is rejected |
CN108120357A (en) * | 2017-12-18 | 2018-06-05 | 中国航发贵州黎阳航空动力有限公司 | A kind of micrometer caliper |
CN109164135A (en) * | 2018-08-22 | 2019-01-08 | 青岛颐中科技有限公司 | Electric heating low temperature cigarette comprehensive analysis experimental provision |
CN110411597A (en) * | 2019-07-01 | 2019-11-05 | 南通醋酸纤维有限公司 | Mouth stick temperature measuring device |
CN112369709A (en) * | 2020-04-24 | 2021-02-19 | 湖北中烟工业有限责任公司 | Heating appliance for holding cigarettes of different sizes |
CN112964392A (en) * | 2021-02-05 | 2021-06-15 | 福建武夷烟叶有限公司 | Device and method for automatically detecting redried strip cigarette identification and case core temperature based on visual identification |
JP2021536230A (en) * | 2018-08-28 | 2021-12-27 | アール・ジエイ・レイノルズ・タバコ・カンパニー | Systems and methods for testing heat-not-burn tobacco products |
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CN103116000A (en) * | 2013-01-16 | 2013-05-22 | 中国科学院安徽光学精密机械研究所 | Automatic cigarette ignition tendency test device |
CN103116000B (en) * | 2013-01-16 | 2015-03-25 | 中国科学院安徽光学精密机械研究所 | Automatic cigarette ignition tendency test device |
CN105651626A (en) * | 2015-12-23 | 2016-06-08 | 中国烟草总公司郑州烟草研究院 | Automatic control detection device and detection method for cigarette combustion coal fall-off performance |
CN105651626B (en) * | 2015-12-23 | 2017-12-15 | 中国烟草总公司郑州烟草研究院 | A kind of cigarette combustion cone falls a performance and automatically controls detection means and detection method |
CN107727264A (en) * | 2017-11-10 | 2018-02-23 | 中国烟草总公司郑州烟草研究院 | A kind of electronic cigarette temperature-detecting device |
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CN108120357A (en) * | 2017-12-18 | 2018-06-05 | 中国航发贵州黎阳航空动力有限公司 | A kind of micrometer caliper |
CN108033262A (en) * | 2017-12-29 | 2018-05-15 | 中国烟草总公司郑州烟草研究院 | A kind of cigarette falls the device and method that head detection judges and cigarette is rejected |
CN108033262B (en) * | 2017-12-29 | 2024-02-06 | 中国烟草总公司郑州烟草研究院 | Device and method for detecting and judging falling head of cigarette and removing cigarettes |
CN109164135A (en) * | 2018-08-22 | 2019-01-08 | 青岛颐中科技有限公司 | Electric heating low temperature cigarette comprehensive analysis experimental provision |
JP2021536230A (en) * | 2018-08-28 | 2021-12-27 | アール・ジエイ・レイノルズ・タバコ・カンパニー | Systems and methods for testing heat-not-burn tobacco products |
JP7383011B2 (en) | 2018-08-28 | 2023-11-17 | アール・ジエイ・レイノルズ・タバコ・カンパニー | Systems and methods for testing heated tobacco products |
CN110411597B (en) * | 2019-07-01 | 2021-03-02 | 南通醋酸纤维有限公司 | Filter tip temperature measuring device |
CN110411597A (en) * | 2019-07-01 | 2019-11-05 | 南通醋酸纤维有限公司 | Mouth stick temperature measuring device |
CN112369709A (en) * | 2020-04-24 | 2021-02-19 | 湖北中烟工业有限责任公司 | Heating appliance for holding cigarettes of different sizes |
CN112964392A (en) * | 2021-02-05 | 2021-06-15 | 福建武夷烟叶有限公司 | Device and method for automatically detecting redried strip cigarette identification and case core temperature based on visual identification |
CN112964392B (en) * | 2021-02-05 | 2023-12-01 | 福建武夷烟叶有限公司 | Device and method for automatically detecting redrying sheet tobacco identifier and box core temperature based on visual identification |
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