CN111855887A - Cigarette smoldering test system and cigarette smoldering test method - Google Patents
Cigarette smoldering test system and cigarette smoldering test method Download PDFInfo
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- CN111855887A CN111855887A CN202010619853.9A CN202010619853A CN111855887A CN 111855887 A CN111855887 A CN 111855887A CN 202010619853 A CN202010619853 A CN 202010619853A CN 111855887 A CN111855887 A CN 111855887A
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Abstract
The present disclosure provides a cigarette smoldering test system and a cigarette smoldering test method, the cigarette smoldering test system comprising: a fixture configured to hold a cigarette to be tested; a first burn-off member configured to be located at a first position on the smoking section of the cigarette to be burned off when the cigarette smolders to the first position under test; a second burn-off member configured to be located at a second position of the smoking section of the cigarette axially spaced from the first position to be burned off when the cigarette smolders to the second position under test; a timing device in signal connection with the first and second blows, configured to: and automatically recording a first time after the first burning-out piece is burnt out, and automatically recording a second time after the second burning-out piece is burnt out.
Description
Technical Field
The invention relates to the field of cigarette testing, in particular to a cigarette smoldering testing system and a cigarette smoldering testing method.
Background
Smoldering of a cigarette refers to slow burning of the cigarette when not burning. The smoldering speed of the cigarette is high and low, the control of factors such as cigarette flameout, tar content, smoke nicotine content and the like is greatly influenced, and the measurement of the smoldering speed of the cigarette plays an important role in the quality control of the cigarette.
The cigarette has different design parameters such as combustion improver, gram weight, air permeability, filler and the like, different cut tobacco structures such as cut tobacco, cut stems, expanded cut tobacco, thin sheet tobacco and the like, and different factors such as local non-uniform filling, empty ends, end part cut tobacco and the like of the cut tobacco possibly cause different smoldering time of the cigarette, thereby bringing different quality of cigarette products.
Disclosure of Invention
The invention aims to provide a cigarette smoldering test system which can be used for accurately, conveniently and efficiently testing the smoldering time and the smoldering rate of a cigarette, and is simple in structure and convenient to operate. The invention also provides a cigarette smoldering test method applying the cigarette smoldering test system.
The invention discloses a cigarette smoldering test system in a first aspect, which comprises:
a fixture configured to hold a cigarette to be tested;
a first burn-off member configured to be located at a first position on the smoking section of the cigarette to be burned off when the cigarette smolders to the first position under test;
a second burn-off member configured to be located at a second position of the smoking section of the cigarette axially spaced from the first position to be burned off when the cigarette smolders to the second position under test;
The timing device is in signal connection with the first fuse-link and the second fuse-link and is configured to automatically record a first time after the first fuse-link is blown and automatically record a second time after the second fuse-link is blown.
In some embodiments, the smoking device is configured to smoke the cigarette after the cigarette is lit at the test time.
In some embodiments, the suction device comprises a syringe.
In some embodiments, the first and second burn-outs comprise combustible wires, the cigarette smoldering test system further comprising a wire support device for supporting the first and second burn-outs when tested.
In some embodiments, the linear body support device comprises:
a first groove and a second groove configured to mate with the first fuse, the first groove and the second groove being flush and spaced apart; and
a third recess and a fourth recess configured to mate with the second blow-out member, the third recess and the fourth recess being flush and spaced apart.
In some embodiments, the linear body support device comprises:
A first bar, the first and third grooves being on the first bar and perpendicular to an axis of the first bar; and
the second strip, with first strip is parallel to each other, the second recess with the fourth recess is located on the second strip and with the axis of second strip is perpendicular.
In some embodiments, the cigarette testing device further comprises a control device, wherein the control device is configured to be in signal connection with the timing device, and the smoldering time and/or the smoldering rate obtained by the cigarette testing are automatically calculated according to the timing result of the timing device.
In some embodiments, the timing device comprises:
a timer;
the first detection device is in signal connection with the timer and is configured to acquire a first detection signal of the first burning-out part, and the timer is configured to automatically record the first time after receiving the first detection signal; and
the second detection device is in signal connection with the timer and is configured to acquire a second detection signal of the second blowing piece blowing, and the timer is configured to automatically record the second time after receiving the second detection signal.
The second aspect of the invention discloses a cigarette smoldering test method applying the cigarette smoldering test system, which comprises the following steps:
fixing the cigarette to be tested by adopting the fixing device;
respectively arranging the first burning-off piece and the second burning-off piece on a first position and a second position of a smoking section of the cigarette, wherein the first position and the second position are respectively close to the front end surface and the rear end surface of the smoking section of the cigarette, the first position keeps a first distance from the front end surface of the smoking section of the cigarette, and the second position keeps a second distance from the rear end surface of the smoking section of the cigarette;
igniting the front end of the cigarette to enable the cigarette to be smoldered, automatically recording first time by the timing device when the cigarette is smoldered to a first position and the first burning-off piece is burnt off, and automatically recording second time by the timing device when the cigarette is smoldered to a second position and the second burning-off piece is burnt off.
In some embodiments, smoldering the cigarette comprises completing a first puff on the cigarette.
In some embodiments, the first distance is greater than or equal to 10 mm; the smoking capacity of the cigarette for completing the first smoking is 25-55 ml, the smoking time is 1-in some embodiments, the first burning-off part and the second burning-off part both comprise combustible thread bodies, and the step of respectively arranging the first burning-off part and the second burning-off part on the first position and the second position of the cigarette comprises the step of enabling the thread bodies of the first burning-off part and the second burning-off part to be in a tensioned state.
In some embodiments, locating the first and second fuse elements in the first and second positions of the cigarette further comprises aligning the first and second fuse elements.
In some embodiments, the cigarette smoldering test system further comprises a line body supporting device, the line body supporting device comprises a first strip and a second strip which are parallel to each other, a first groove and a third groove are arranged on the first strip, a second groove and a fourth groove are arranged on the second strip, the first groove and the second groove are flush and are arranged at intervals, the third groove and the fourth groove are flush and are arranged at intervals, the first groove and the third groove are perpendicular to an axis of the first strip, and the second groove and the fourth groove are perpendicular to an axis of the second strip;
will first burn-out piece with the second burn-out piece is located respectively the cigarette first position and second position on include:
-making the cigarettes parallel to the first and second bars and the first burn-off cooperating with the first and second grooves, and the second burn-off cooperating with the third and fourth grooves.
In some embodiments, further comprising: and according to the timing result of the timing device, automatically calculating the smoldering time and/or the smoldering rate obtained by the cigarette test by using a control device.
According to the cigarette smoldering test system provided by the invention, the first burning-off piece, the second burning-off piece and the timing device associated with the first burning-off piece and the second burning-off piece are arranged, the first time can be automatically recorded and the second time can be automatically recorded through the burning-off of the first burning-off piece and the second burning-off piece, the test timing method is accurate and convenient, the cigarette smoldering time and the smoldering rate can be accurately and conveniently tested by using the cigarette smoldering test system, and the test system is simple in structure and convenient to operate. The cigarette smoldering test method applying the cigarette smoldering test system also has corresponding beneficial effects.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a cigarette smoldering testing system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1, the cigarette smoldering test system of the present embodiment includes a fixing device 13, a first burning part 11, a second burning part 12 and a timing device.
The fixing device 13 is configured to fix a cigarette to be tested. The fixing device 13 is used to fix the cigarette under test, and in the embodiment shown in fig. 1, the fixing device comprises an annular cigarette holder which holds the end of the cigarette to fix the cigarette, which comprises a filter segment 22 and a suction segment 21, and in the embodiment shown in the figure, the fixing device 3 fixes the cigarette by holding the filter segment 22. In other embodiments not shown, the fixing means may also comprise other forms, for example the fixing means 13 may also comprise a fine needle with one end suspended, the cigarette being fixed by inserting the filter segment 22 of the cigarette into the fine needle.
The first burn-off member 11 is configured to be disposed in a first position on the smoking section 21 of a cigarette to be burned off when the cigarette smolders to the first position at the time of testing. The first burnout member 11 is an object which is easily burnout, such as cotton, silk, metal wire, etc. In testing, first burn-off element 11 is placed in a first position on smoking section 21, the first position on smoking section 21 being a position spaced from the front face of smoking section 21 (front to back being defined as the front to back position of smoking section 21 relative to filter section 22, with smoking section 21 in front and filter section 22 behind), and in testing, a cigarette is lit and then smolders, burning off first burn-off element 11 when it is smoldered to the first position, first burn-off element 11 may be placed on the cigarette in the first position as shown in fig. 1, and in some embodiments not shown, first burn-off element 11 may also pass through the cigarette.
The second burn-off member 12 is configured to be located at a second position of the smoking section 21 of the cigarette axially spaced from the first position to be burned off when the cigarette smolders to the second position under test. The second burning-off part 12 is also an object easy to burn off like the first burning-off part 11, and during testing, the second burning-off part 12 is arranged at a second position behind the first position, the cigarette burns off in shade firstly passing through the first position to burn off the first burning-off part 11, then the cigarette continues to burn in shade, and when the cigarette burns off in shade to the second position, the second burning-off part 12 is burned off.
The timing device is in signal connection with the first and second fuses 11, 12 and is configured to: a first time is automatically recorded after the first fuse 11 is blown and a second time is automatically recorded after the second fuse 12 is blown.
The timing device is an automatic timing device and is in signal connection with the first burning-out part 11 and the second burning-out part 12. As shown in fig. 1, the timing device includes a timer 151, and a first detection device 1511 and a second detection device 1512 in signal connection with the timer 151, where the first detection device 1511 and the second detection device 1512 are respectively configured to detect states of the first burning component 11 and the second burning component 12, send a first detection signal to the timer 151 when the first detection device 1511 detects that the first burning component 11 is burned out, the first detection signal controls the timer 151 to automatically record a first time, send a second detection signal to the timer when the second detection device 1522 detects that the second burning component 12 is burned out, and the second detection signal controls the timer 151 to automatically record a second time, where a time difference between the second time and the first time is a time from the first position to the second position during the smoldering test of the cigarette. The first detection device 1511 and the second detection device 1512 may control the timer 151 to start counting (the timing start time is the first time) and stop counting (the timing stop time is the second time), respectively.
And after the time from the first position to the second position in the smoldering test of the cigarette is measured, dividing the time by the length of the cigarette from the first position to the second position to obtain the smoldering rate of the cigarette obtained by the test, wherein the physical meaning of the smoldering rate is the time required by the unit length of the smoldering cigarette.
The first detecting device 1511 and the second detecting device 1512 may be force sensors that detect the tension of the first fuse 11 and the tension of the second fuse 12, respectively, and when the first fuse 11 and the second fuse 12 are blown, the tension of the first fuse 11 and the tension of the second fuse 12 change, and the force sensors detect the post-trigger timer 151 to count time.
The first detection device 1511 may further include a switch that switches an open/close state by an elastic force. During testing, one end of the first fuse part 11 is fixed on the first supporting end 1513, the other end of the first fuse part 11 is connected with the switch, the switch is in a first state by overcoming the elastic force of the switch through the tension of the first fuse part 11, and when the first fuse part 11 is fused, the switch is switched to a second state under the action of the elastic force, and the timer 151 connected with a switch signal is triggered to time. The second detecting means 1512 may also include a switch acted by elastic force, such as the first detecting means 1511, and the second fuse 12 has one end fixed to the second supporting end 1514 and the other end connected to a switch in signal connection with the timer 5.
The cigarette smoldering test system of this embodiment, through setting up first burning disconnected piece 11, second burning disconnected piece 12 and with first burning disconnected piece 11, the timing device that second burning disconnected piece 12 is correlated, the burning-out through first burning disconnected piece 11 and second burning disconnected piece 12 can automatic recording the first time and the automatic recording second time, it is accurate convenient that the test timing method is accurate, utilize this cigarette smoldering test system can be accurate, test the smoldering time and the smoldering rate of cigarette conveniently, test system simple structure, convenient operation.
In some embodiments, the cigarette smoldering testing system further comprises a smoking device configured to smoke the cigarette after the cigarette is lit at the time of testing. When the cigarette is tested, the cigarette is sucked by the suction device, the use working condition of the cigarette can be better simulated, and the measured smoldering time and the speed are more in line with the use standard. The smoking device may be a smoking machine apparatus that applies a first puff to the cigarette through the filter segment 22 after the cigarette is lit.
In some embodiments, the suction device comprises a syringe by which the cigarettes are sucked at the filter segment 22, with simplicity, convenience and accuracy of simulation.
In some embodiments, as shown in fig. 1, the first and second burning parts 11 and 12 comprise combustible wires, and the cigarette smoldering testing system further comprises a wire supporting device for supporting the first and second burning parts 11 and 12 during testing. First burning off 11 and second burning off 12 set up to the line body, for example the fine rule, can make first burning off 11 and second burning off 12 position setting when setting up first position and second position more accurate, and the easier burning off moreover for the timing is more accurate during cigarette test.
In some embodiments, as shown in fig. 1, the wire body support device comprises a first groove 1411 and a second groove 1422 configured to mate with the first bum-up 11 and a third groove 1413 and a fourth groove 1424 configured to mate with the second bum-up 12, the first groove 1411 and the second groove 1422 are arranged flush and spaced apart, and the third groove 1413 and the fourth groove 1424 are arranged flush and spaced apart. The first burning-off part 11 is placed in the first groove 1411 and the second groove 1422, the second burning-off part 12 is placed in the third groove 1413 and the fourth groove 1424, and the part of the first burning-off part 11 between the first groove 1411 and the second groove 1422 and the part of the second burning-off part 12 between the third groove 1413 and the fourth groove 1424 can be kept parallel. In some embodiments, the cigarette to be tested is a regular cigarette, a medium cigarette, or a fine cigarette, and the distance between the first and third recesses 1411, 1413 is 40 mm. In some embodiments, the cigarettes to be tested are short cigarettes, and the distance between the first and third recesses 1411, 1413 is 30 mm.
In some embodiments, the cigarette smoldering test system further comprises a control device, wherein the control device is configured to be in signal connection with the timing device, and automatically calculate the smoldering time and/or the smoldering rate obtained by the cigarette test according to the timing result of the timing device
In some embodiments, as shown in fig. 1, the wire body support device comprises a first strip 141 and a second strip 142 parallel to each other, a first groove 1411 and a third groove 1413 are located on the first strip 141 and perpendicular to the axis of the first strip 141, and a second groove 1422 and a fourth groove 1424 are located on the second strip 142 and perpendicular to the axis of the second strip 142. The position of the first and second burning parts 11 and 12 can be adjusted by adjusting the positions of the first and second bar-shaped parts 141 and 142, and the adjustment is convenient. By arranging the first and second bars 141, 142 parallel to the cigarette, the first and second burn-outs 11, 12 can be made parallel and perpendicular to the cigarette, more accurately marking the length of the smoldering of the cigarette test. In some embodiments, the first bar 141 and the second bar 142 are rectangular metal blocks.
In some embodiments, a method for testing cigarette smoldering by using the cigarette smoldering testing system is further disclosed, comprising:
Fixing the cigarette to be tested by using a fixing device 13;
respectively arranging the first burning-off piece 11 and the second burning-off piece 12 on a first position and a second position of the smoking section 21 of the cigarette, wherein the first position and the second position are respectively close to the front end surface and the rear end surface of the smoking section 21 of the cigarette, the first position keeps a first distance from the front end surface of the smoking section 21 of the cigarette, and the second position keeps a second distance from the rear end surface of the smoking section 21 of the cigarette;
the front end of the cigarette is ignited to enable the cigarette to be smoldered, the first time is automatically recorded when the cigarette is smoldered to the first position and the first burning-off piece 11 is burnt off, and the second time is automatically recorded when the cigarette is smoldered to the second position and the second burning-off piece 12 is burnt off. The embodiment can automatically record the first time and the second time, the test timing method is accurate and convenient, meanwhile, when the cigarette is just ignited, the combustion characteristic of the front end of the cigarette is not stable enough, the first distance is set during testing, timing can be started after the smoldering working condition is stable, interference of unstable factors is reduced, and the timing result is more accurate. The second distance is set, so that the timing influence of the filter section 22 on the test of the suction section 21 can be reduced, the test result is more stable and standard, and the accuracy of the test result is improved.
In some embodiments, smoldering the cigarette comprises completing a first puff on the cigarette. The first suction is finished before smoldering, so that the use condition of the cigarette can be better simulated, and the smoldering time and speed under the use condition are tested. Before the cigarette is sucked by the suction device, the leakage detection test can be carried out on the connection between the cigarette and the suction device.
In some embodiments, the first distance is greater than or equal to 10mm, the first puff on the cigarette has a puff volume of 25-55 ml, and the puff time is 1-2.5 s. The smoking capacity range and the smoking time can better accord with the smoking habit of a consumer when using cigarettes and can better simulate the smoking of the cigarettes. Experiments show that the first distance is more than or equal to 10mm, and is a proper distance for stabilizing the combustion characteristic under the simulated working condition test and obtaining the stable smoldering working condition.
In some embodiments, the second distance is greater than or equal to 3 mm.
In some embodiments, the first and second fuse parts 11 and 12 each comprise a combustible wire body, and positioning the first and second fuse parts 11 and 12 in the first and second positions of the cigarette comprises placing the wire bodies of the first and second fuse parts 11 and 12 in tension, respectively. The line body of the first burning-off piece 11 and the second burning-off piece 12 is tensioned, so that the first burning-off piece 11 and the second burning-off piece 12 can be more accurately measured on the length of the marked smoldering cigarette test section, and the test accuracy is improved.
In some embodiments, the disposing the first and second burning parts 11 and 12 on the first and second positions of the cigarette further comprises making the line bodies of the first and second burning parts 11 and 12 parallel. This arrangement helps to further improve the accuracy of the length measurement of the test section of marked cigarette smoldering.
In some embodiments, as shown in fig. 1, the cigarette smoldering testing system further includes a wire body supporting device, the wire body supporting device includes a first strip 141 and a second strip 142 that are parallel to each other, a first groove 1411 and a third groove 1413 are provided on the first strip 141, a second groove 1422 and a fourth groove 1424 are provided on the second strip 142, the first groove 1411 and the second groove 1422 are flush and spaced apart, the third groove 1413 and the fourth groove 1424 are flush and spaced apart, the first groove 1411 and the third groove 1413 are perpendicular to an axis of the first strip 141, and the second groove 1422 and the fourth groove 1424 are perpendicular to an axis of the second strip 142.
Locate first burn-off 11 and second burn-off 12 respectively on the first position and the second position of cigarette and include:
the first and second bars 141, 142 are made parallel to the cigarettes and the two ends of the first burn-off member 11 are made to cooperate with the first and second grooves 1411, 1422, respectively, and the two ends of the second burn-off member 12 are made to cooperate with the third and fourth grooves 1413, 1424, respectively.
In some embodiments, the cigarette smoldering time testing system further comprises cigarette smoldering time testing software which is in signal connection with the timing device, and the cigarette smoldering time testing software can count and display the first time and the second time in real time and count and calculate data obtained by testing in real time.
In some embodiments, the control device described above can be a general purpose Processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable Logic device, discrete gate or transistor Logic, discrete hardware components, or any suitable combination thereof for performing the functions described herein.
The following is a test result using the cigarette smoldering test system and the cigarette smoldering test method.
Example 1
Taking a conventional cigarette with a certain specification number, wherein the circumference of the cigarette is 24 mm. The cigarettes were tested after being equilibrated in a constant temperature and humidity environment (temperature 22 ℃, relative humidity RH 60%) for 48 hours before testing, the distance between the first and second positions of the tested cigarettes being 40 mm. 6 cigarette samples with the specification number are randomly taken for smoldering time and smoldering rate testing. As shown in Table 1, the average smoldering time of the cigarette was measured to be 350.53s, the variance was 4.38s, the relative standard deviation RSD was 1.25%, and the average smoldering rate was measured to be 8.76 s/mm.
TABLE 1
| Serial number | Smoldering time s | Smoldering velocity s/mm |
| 1 | 344.53 | 8.61 |
| 2 | 349.29 | 8.73 |
| 3 | 357.36 | 8.93 |
| 4 | 353.24 | 8.83 |
| 5 | 350.37 | 8.76 |
| 6 | 348.39 | 8.71 |
| Average | 350.53 | 8.76 |
| Variance (variance) | 4.38 | 0.11 |
| RSD | 1.25％ | 1.25％ |
Example 2
Taking a middle cigarette with a certain specification number, wherein the circumference of the cigarette is 20 mm. The cigarettes were tested after being equilibrated in a constant temperature and humidity environment (temperature 22 ℃, relative humidity RH 60%) for 48 hours before testing, the distance between the first and second positions of the tested cigarettes being 40 mm. 6 cigarettes of the same size were randomly tested, and as shown in Table 2, the average smoldering time of the smoldering cigarette was determined to be 332.16s, the variance was 12.36s, the relative standard deviation RSD was 3.72%, and the average smoldering rate was determined to be 8.30 s/mm.
TABLE 2
| Serial number | Smoldering time s |
| 1 | 347.29 |
| 2 | 348.68 |
| 3 | 322.34 |
| 4 | 324.51 |
| 5 | 326.79 |
| 6 | 323.33 |
| Average | 332.16 |
| Variance (variance) | 12.36 |
| RSD | 3.72％ |
In comparison with Table 1, it can be seen that the mean smoldering time of the medium cigarette of the size is relatively short and the variance is large compared to the conventional cigarette. The smoldering rate of the medium cigarette with the specification number is faster than that of the conventional cigarette.
Example 3
Taking a thin cigarette with a certain specification number, wherein the circumference of the cigarette is 17 mm. The cigarettes were tested after being equilibrated in a constant temperature and humidity environment (temperature 22 ℃, relative humidity RH 60%) for 48 hours before testing, the distance between the first and second positions of the tested cigarettes being 40 mm. 6 cigarettes of the same size were randomly tested, and as shown in Table 3, the average smoldering time of the smoldering cigarette was determined to be 280.5s, the variance was 12.01s, the relative standard deviation RSD was 4.28%, and the average smoldering rate was determined to be 7.01 s/mm.
TABLE 3
| Serial number | Smoldering time s |
| 1 | 276.81 |
| 2 | 273.04 |
| 3 | 263.72 |
| 4 | 283.73 |
| 5 | 298.12 |
| 6 | 287.57 |
| Average | 280.50 |
| Variance (variance) | 12.01 |
| RSD | 4.28％ |
Compared with tables 1 and 2, the average smoldering time of the thin-to-cigarette is shorter than that of the conventional cigarette and the medium cigarette. The smoldering rate of the fine cigarette with the specification number is faster than that of the conventional cigarette, and the relative standard deviation is larger.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (15)
1. A cigarette smoldering test system, comprising:
a fixing device (13) configured to fix a cigarette to be tested;
a first burn-off member (11) configured to be located in a first position on a smoking section (21) of the cigarette to be burned off when the cigarette smolders to the first position under test;
a second burn-off member (12) arranged to be located at a second position of the smoking section (21) of the cigarette axially spaced from the first position to be burned off when the cigarette smolders to the second position under test;
The timing device is in signal connection with the first burning part (11) and the second burning part (12) and is configured to automatically record a first time after the first burning part (11) is burnt out and automatically record a second time after the second burning part (12) is burnt out.
2. The cigarette smoldering testing system of claim 1, further comprising a smoking device configured to smoke the cigarette after the cigarette is lit at the time of testing.
3. The cigarette smoldering testing system of claim 2, wherein said suction device comprises a syringe.
4. The cigarette smoldering test system of claim 1, characterized in that said first and second burn-outs (11, 12) comprise combustible wires, said cigarette smoldering test system further comprising a wire support device for supporting said first and second burn-outs (11, 12) during testing.
5. The cigarette smoldering testing system of claim 4, wherein the linear support device comprises:
a first groove (1411) and a second groove (1422) configured to mate with the first fuse (11), the first groove (1411) and the second groove (1422) being flush and spaced apart; and
A third recess (1413) and a fourth recess (1424) configured to mate with the second fuse (12), the third recess (1413) and the fourth recess (1424) being flush and spaced apart.
6. The cigarette smoldering testing system of claim 5, wherein the linear support device comprises:
a first bar (141), the first and third grooves (1411, 1413) being located on the first bar (141) and perpendicular to an axis of the first bar (141); and
a second bar (142) parallel to said first bar (141), said second groove (1422) and said fourth groove (1424) being located on said second bar (142) and perpendicular to the axis of said second bar (142).
7. The cigarette smoldering testing system of any of claims 1-6, further comprising a control device configured to be in signal connection with the timing device, and to automatically calculate the smoldering time and/or the smoldering rate obtained by the cigarette test according to the timing result of the timing device.
8. The cigarette smoldering testing system of any of claims 1-6, wherein the timing device comprises:
A timer (151);
a first detection device (1511) in signal connection with the timer (151) and configured to acquire a first detection signal of the first burnout (11) blowing, wherein the timer (151) is configured to automatically record the first time after receiving the first detection signal; and
the second detection device (1512) is in signal connection with the timer (151) and configured to acquire a second detection signal of the second burnout component (12) burnout, and the timer (151) is configured to automatically record the second time after receiving the second detection signal.
9. A method for testing cigarette smoldering using the cigarette smoldering testing system of any one of claims 1 to 8, comprising:
fixing the cigarette to be tested by using the fixing device (13);
respectively arranging the first burning-off piece (11) and the second burning-off piece (12) on a first position and a second position of a smoking section (21) of the cigarette, wherein the first position and the second position are respectively close to the front end surface and the rear end surface of the smoking section (21) of the cigarette, the first position keeps a first distance from the front end surface of the smoking section (21) of the cigarette, and the second position keeps a second distance from the rear end surface of the smoking section (21) of the cigarette;
Igniting the front end of the cigarette to enable the cigarette to be smoldered, automatically recording first time by the timing device when the cigarette is smoldered to a first position and the first burning-off piece (11) is burnt off, and automatically recording second time by the timing device when the cigarette is smoldered to a second position and the second burning-off piece (12) is burnt off.
10. The cigarette smoldering test method of claim 9, comprising completing a first puff on the cigarette prior to smoldering the cigarette.
11. The cigarette smoldering test method of claim 10, wherein the first distance is greater than or equal to 10 mm; the first mouth of the cigarette is sucked, the suction capacity of the cigarette is 25-55 ml, and the suction time is 1-2.5 s.
12. The method for testing the smoldering of the cigarette as recited in claim 9, wherein the first burning component (11) and the second burning component (12) each comprise a combustible wire, and wherein the step of respectively arranging the first burning component (11) and the second burning component (12) at the first position and the second position of the cigarette comprises the step of tensioning the wires of the first burning component (11) and the second burning component (12).
13. The method for testing the smoldering of the cigarette as recited in claim 12, wherein the step of respectively arranging the first burning part (11) and the second burning part (12) on the first position and the second position of the cigarette further comprises the step of enabling the line bodies of the first burning part (11) and the second burning part (12) to be parallel.
14. The cigarette smoldering test method of claim 13, wherein said cigarette smoldering test system further comprises a linear support device, the wire body supporting device comprises a first strip-shaped part (141) and a second strip-shaped part (142) which are parallel to each other, a first groove (1411) and a third groove (1413) are arranged on the first strip-shaped element (141), a second groove (1422) and a fourth groove (1424) are arranged on the second strip-shaped member (142), the first groove (1411) and the second groove (1422) are arranged in a flush and spaced manner, the third groove (1413) and the fourth groove (1424) are arranged in a flush and spaced manner, the first (1411) and third (1413) grooves being perpendicular to the axis of the first bar (141), said second recess (1422) and said fourth recess (1424) being perpendicular to the axis of said second bar (142);
respectively arranging the first burning-off piece (11) and the second burning-off piece (12) on a first position and a second position of the cigarette, and the method comprises the following steps:
-making the cigarettes parallel to the first strip (141) and the second strip (142) and the first burn-off (11) cooperating with the first groove (1411) and the second groove (1422), and the second burn-off (12) cooperating with the third groove (1413) and the fourth groove (1424).
15. The cigarette smoldering test method of any of claims 9-14, further comprising: and according to the timing result of the timing device, automatically calculating the smoldering time and/or the smoldering rate obtained by the cigarette test by using a control device.
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