CN1224590A - Device for detecting tobacco temperature during the production of cigarette - Google Patents
Device for detecting tobacco temperature during the production of cigarette Download PDFInfo
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- CN1224590A CN1224590A CN 98126915 CN98126915A CN1224590A CN 1224590 A CN1224590 A CN 1224590A CN 98126915 CN98126915 CN 98126915 CN 98126915 A CN98126915 A CN 98126915A CN 1224590 A CN1224590 A CN 1224590A
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- tobacco
- temperature
- cigarette
- survey sensor
- suction
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Abstract
The invention relates to detecting tobacco temperature which as corrected value depending on regulating function of the temperature during the production of cigarette, which has objective of obtaining measured value corresponding with tobacco temperature by simple and reliable detecting method. The objective achieved by: detecting tobacco temperature indirectly, detecting temperature of suction air through tobacco bar (S) when molding the tobacco bar by a measuring sensor (39) which installed at the back of the tobacco bar. Therefrom, the temperature value of air which heated by tobacco is obtained, then change to tobacco temperature.
Description
The present invention relates to the device of a kind of detection and the corresponding measured value of tobacco temperature, described measured value is as the corrected value of that follow in the cigarette production run, relevant with temperature regulatory function.
In the tobacco industry, above-mentioned the sort of measurement mechanism commonly used combines with programmed control, so as to tobacco temperature difference or acutely temperature variation the influence of regulatory function or its control gear is compensated.
Applicant's US-PS5063943 discloses an example of above-mentioned the sort of method.
The objective of the invention is to obtain reliable temperature value, this value is represented the temperature in the whole cross section of the tobacco rods that regulatory function to be corrected is arranged.
Above-mentioned purpose realizes like this according to the present invention: this device indirect detection tobacco temperature ground is configured and disposed.Additional technical feature of the present invention proposes, and survey sensor detects the tobacco of flowing through in a kind of and the production run and passes through temperature exchange and the temperature of interactional medium.
Can guarantee measuring accuracy by means of this measurement mechanism, this is because this device has been avoided the inner mutual difference with surface temperature of the plume that causes to direct measure of tobacco rods the time.Can utilize for example machine parts conduct to determine the substitute medium of tobacco temperature, especially these parts have obtained working temperature or the tobacco temperature determined after long period work.Reliable, simple especially temperature survey on measuring technique gets as follows and realizes according to one of a preferred embodiment: survey sensor is formed in the divider of tobacco rods make-up machine to be measured the temperature that participates in the process air that tobacco rod forms.By means of this measurement mechanism, can obtain accurate measurement result with the form of the simplest structure, for example platinum filament resistance with survey sensor.
According to a preferred embodiment, another advantage of above-mentioned measurement mechanism is achieved: that above-mentioned survey sensor is installed in the preparation tobacco rods and be positioned at the end that band is sent in suction on the cigarette machine, wherein further suggestion is installed in survey sensor and inhales the suction that abuts against process on the stream that send air and send in the zone of back of band.In tobacco rods conveyer zone, tobacco is with air heat, and air was inhaled in the following manner to inhale and sent band: the air themperature that records is corresponding with tobacco temperature best.
Above-mentioned acquisition can for example when hardness is regulated, proofread and correct the hardness that records with the corresponding measuring-signal of tobacco temperature as correction signal, perhaps in moisture measurement, carry out temperature compensation as correction signal.In one embodiment, a preferred purposes of above-mentioned measuring-signal is that the switchgear of a survey sensor and a plume microwave weight regulator is coupled together.
By means of above-mentioned measurement mechanism, not only directly the temperature of the acute variation on tobacco rods surface affected by environment can record, and the air by the tobacco rods entire cross section of flowing through contiguously measures real tobacco temperature near measuring receiving element, with the correction adjustment measured value.
Non-direct tobacco temperature is measured and is made economic input, the measuring element of particularly simplifying in the air-flow become possibility.
The invention will be further described below in conjunction with the described embodiment of accompanying drawing.
Accompanying drawing is represented that a tobacco rods of the cigarette machine divider that combines with a microwave weight regulating device is inhaled and is sent the synoptic diagram of the temperature survey in the region.
SZ represents that plume forms the district in the accompanying drawing, wherein pipe tobacco is carried by the divider (as described in US-PS4373538) of a known plume machine, in plume shaping area SZ, pipe tobacco is inhaled to send by ventilative tobacco rods conveyer of pit shaft 1 arrival one and is with 2, this suction send band by orifice plate 3 guidings, and orifice plate 3 back are provided with a negative pressure cavity 4.Negative pressure is kept by the pipeline 6 of a schematic depiction that attracts from negative pressure source, for example blower fan 7.Send with 2 suction in the ventilative suction of flowing through and to send under the effect of air, pipe tobacco forms tobacco rods S in moving forward, and sends along direction shown in the arrow 8.Send and be with 2 for driving suction on cylinder 9 and 11, one of them cylinder is driven.One known (as US-PS3030966) thereby the smoother 12 that only schematically illustrates remove unnecessary tobacco, this smoother 12 preferably includes rotation tangent, fixedly trimmer or the impeller of tobacco, so that remove from the outstanding unnecessary tobacco in adjustment plane (cutout plane E).Thus tobacco rods S is flattened, then compacting becomes the shape 13 that schematically illustrates among the figure in a cigarette device, rolls with cigarette paper tape 14 then, has so just made a plume, and the further again cutting of this plume becomes single cigarette.The above-mentioned unnecessary tobacco T that is removed turns back to divider through a funnel 16.
The cutout plane E of smoother 12 is controlled by a servomotor, is subjected to this servomotor of regulator 18 control sending with 2 direction towards suction and to leave to inhale and move above-mentioned smoother 12 on the direction of sending band.Above-mentioned regulator 18 obtains density (flow) ratings signal from a ratings transmitter 19, and a density measurement transmitter 21 provides the actual value signal simultaneously.Be suitable for realizing that the density measuring equipment of above-mentioned purpose for example is a disclosed switchgear 22 among the DE-OS19705260, its microwave weight that is used for tobacco rods is regulated, and this device is obtained the signal relevant with density on the plume of having rolled after tobacco moulding 13.
Above-mentioned switchgear 22 constitutes a high-frequency reonsator, and the inside of the housing 24 that it is represented with section in the drawings is provided with a resonator 23. Concentric cable 28 and 29 be used for generator 26 microwave signal the input coupling and signal output is coupled to an evaluation device 27.The resonator of being made by dielectric material 23 is made into drum, and is fixed in a not shown manner in the housing 24.
Above-mentioned housing 24 is extended with the tubular guide 31 of non-conducting material between its import and outlet, pass through along the above-mentioned tobacco rods S of arrow 8 guiding whereby, to detect its dry mass and/or moist quality and/or gross mass or specific inductive capacity by cigarette paper tape 14 winding ups.The microwave signal of generator 26 stops the circulator 32 of feedback to be transferred to switchgear 22 by one.The output signal of switchgear 22 transfers to a microwave diode 34 by concentric cable 29 and a circulator 33, and this diode is converted to microwave signal and all presses signal.Output signal arrives evaluation device 27 from diode 34 by an A/D converter 36 then, and above-mentioned converter 36 is with the output signal digitizing of diode 34.In addition, this converter also plays gate circuit, because have only when it passes through lead 38 from release pulses of frequency controller 37 acquisitions, just allows signal to pass through.
Because the signal of microwave diode 34 depends on the temperature of tobacco, compensate determinedly for this reason, wherein tobacco temperature detects, promptly detects above-mentioned the contact with tobacco rods S and percolation and the temperature of air is sent in the suction of crossing indirectly according to the present invention.Survey sensor 39, commercially available platinum resistance or thermal sensing element for example for this reason are installed in and inhale in the negative pressure cavity 4 that send with 2 given area, and be connected with evaluation device 27 by a signal line 41.The output signal of being proofreaied and correct or compensating of above-mentioned evaluation device 27 passes to density measurement transmitter 21 by signal wire 42.
Claims (6)
1. detect the device with the corresponding measured value of tobacco temperature, the corrected value of regulatory function that follow, that depend on temperature during this measured value is produced as cigarette is characterized in that: this device construction and be arranged to detect tobacco temperature indirectly.
2. device as claimed in claim 1 is characterized in that: what survey sensor (39) detected is a kind of temperature of medium, and this medium interacts by the tobacco that transmits in temperature exchange and the production run.
3. device as claimed in claim 1 or 2 is characterized in that: described survey sensor (39) is formed in the divider of plume make-up machine the air themperature that participates in the tobacco rod forming process is measured.
4. as the described device of one of claim 1 to 3, it is characterized in that: that described survey sensor (39) is installed in preparation tobacco rods (S) and be positioned at the end that band (2) are sent in suction on the cigarette machine (13).
5. as the described device of one of claim 1 to 4, it is characterized in that: described survey sensor (39) is installed in the suction that abuts against process of inhaling on the stream send air and send in the zone at the back side of band (2).
6. as the described device of one of claim 1 to 5, it is characterized in that: described survey sensor (39) couples together with a switchgear (22) that is used for the adjusting of tobacco rods (S) microwave weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98126915 CN1224590A (en) | 1997-12-10 | 1998-12-10 | Device for detecting tobacco temperature during the production of cigarette |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19754850.4 | 1997-12-10 | ||
| CN 98126915 CN1224590A (en) | 1997-12-10 | 1998-12-10 | Device for detecting tobacco temperature during the production of cigarette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1224590A true CN1224590A (en) | 1999-08-04 |
Family
ID=5229811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98126915 Pending CN1224590A (en) | 1997-12-10 | 1998-12-10 | Device for detecting tobacco temperature during the production of cigarette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1224590A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449855A (en) * | 2007-12-04 | 2009-06-10 | 豪尼机械制造股份公司 | Rod forming device in a machine for the tobacco processing industry |
| CN112781749A (en) * | 2020-12-30 | 2021-05-11 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device of microwave density detector and compensation method |
-
1998
- 1998-12-10 CN CN 98126915 patent/CN1224590A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449855A (en) * | 2007-12-04 | 2009-06-10 | 豪尼机械制造股份公司 | Rod forming device in a machine for the tobacco processing industry |
| CN101449855B (en) * | 2007-12-04 | 2013-09-18 | 豪尼机械制造股份公司 | Rod forming device in a machine for the tobacco processing industry |
| CN112781749A (en) * | 2020-12-30 | 2021-05-11 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device of microwave density detector and compensation method |
| CN112781749B (en) * | 2020-12-30 | 2023-12-01 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device and compensation method of microwave density detector |
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