CN203785989U - Lamina case density deviation detection system - Google Patents
Lamina case density deviation detection system Download PDFInfo
- Publication number
- CN203785989U CN203785989U CN201420173108.6U CN201420173108U CN203785989U CN 203785989 U CN203785989 U CN 203785989U CN 201420173108 U CN201420173108 U CN 201420173108U CN 203785989 U CN203785989 U CN 203785989U
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- Prior art keywords
- microwave
- probe
- photoelectric tube
- photoelectric
- smoke box
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Abstract
The utility model provides a lamina case density deviation detection system. The lamina case density deviation detection system comprises a data acquisition unit and a data analysis unit, wherein an output terminal of the data acquisition unit is connected with an input terminal of the data analysis unit, and the data acquisition unit comprises a bracket, a photoelectric tube, a microwave transmitting probe, a microwave receiving probe, an upper guide rail, a lower guide rail, a limit switch, a connecting rod, a programmable logic controller, a servo motor and an industrial computer. The lamina case density deviation detection system is convenient to operate, less in maintenance, high in detection speed and high in detection precision, does not affect the normal production, is convenient for installation, and has great practical value.
Description
Technical field
The utility model relates to the detection system based on microwave principle, especially relates to the density variation microwave detection system of sheet cigarette smoke box in a kind of tobacco redrying processing.
Background technology
The detection of sheet cigarette smoke box density variation is more and more important for tobacco redrying industry, if control badly, can cause cigarette the temperature inside the box and moisture diffusion inconsistent, causes smoke box to go mouldy or spontaneous combustion.When density variation is excessive simultaneously, part can cause tobacco leaf force feed phenomenon, causes irremediable economic loss.International and domestic whole redrying industry is based on 9 hole sampling methods for the industry standard of the vanning density variation of sheet cigarette at present, calculate the Z-factor of 9 hole example weights, formula is as follows: DVR=(SD/W) x100%, wherein W is the average weight of 9 samples, SD is the weight standard deviation of 9 example weights, and DVR is smoke box density variation.Traditional detection method is that offline inspection is carried out in 9 samplings, and such method wastes time and energy, and according to the situation of produced on-site, can only spot-check 2～4 bags every day, cannot detect every bag.And online detection is normally undertaken by ionization radiation method, due to the radiation hazard of X ray, ionization radiation method need to make smoke box stop detecting simultaneously, stop the flow process of streamline, be about 60 seconds detection time, in the time of high speed outlet, can not accomplish that every bag detects, ionization radiation method need to gather 3 probes and be listed as detection in addition, need to stop detecting 3 times and calculate with the position data that obtains 9 holes, therefore, the usable range of ionization radiation method has been subject to restriction significantly.
Chinese patent 201110225769.X discloses a kind of boxing tobacco leaf density variation pressure detection method and pick-up unit thereof, and this pick-up unit is provided with at least one sets of data harvester and data handling system, and data collector is connected with data handling system; Data collector is provided with pressure head, sampler, pressure transducer and data collecting card, sampler is fixed on pressure transducer, sampler is embedded in pressure head, the end face of sampler is higher than pressure head, pressure transducer is connected with data collecting card, pressure transducer and data collecting card are fixed on pressure head upper surface, and the input port of described data handling system is connected with data collecting card electrical signal.Although this device has overcome some defects of conventional art, for example can detect online, eliminated the deleterious effect of ionising radiation simultaneously, but its defect is also clearly, be inconvenient operation, carrying out detection can affect the transmission speed of tobacco leaf, thereby affects production efficiency, utilize in addition the error of pressure transducer larger, checkout equipment needs often to safeguard.Therefore a kind of easy and simple to handle, high sheet cigarette smoke box density variation detection system of detection degree of accuracy of market demand.
Utility model content
It is a kind of easy to operate that the purpose of this utility model is to provide, and safeguards few; Detection speed is fast, detects degree of accuracy high; Do not affect the sheet cigarette smoke box density variation detection system easy for installation of normal production.
To achieve these goals, the utility model provides a kind of sheet cigarette smoke box density variation detection system, comprises data acquisition unit and data analysis unit, and the output terminal of described data acquisition unit is connected with the input end of described data analysis unit; Described data acquisition unit comprises:
For the support of installing component;
For the photoelectric tube of induced signal, described photoelectric tube has three, is evenly arranged on the top central authorities of described support, is respectively No. 1 photoelectric tube, No. 2 photoelectric tubes and No. 3 photoelectric tubes, and the distance between described No. 1 photoelectric tube and No. 3 photoelectric tubes is less than the width of smoke box;
For detection of microwave transmitting probe and microwave receiving probe;
Be used for movable upper rail and the lower guideway that described microwave transmitting probe and microwave receiving probe are set respectively, described upper rail and lower guideway are separately positioned on the upper and lower side of described support, smoke box delivery track is between described upper rail and lower guideway, and the two ends of described upper rail and/or lower guideway are respectively equipped with two limit switches;
For making the microwave receiving probe on microwave transmitting probe and the described lower guideway on described upper rail can produce the described upper rail of connection of interlock and the connecting link of lower guideway;
For transmitting the PLC(programmable logic controller (PLC) of photoelectric tube induced signal);
For the servomotor of power is provided, it is connected with one end of described connecting link; With
For the industrial computer of controlling.
Preferably, the microwave irradiation power of described microwave transmitting probe is 5～7 milliwatts, is more preferably 6 milliwatts.
A method of utilizing above-mentioned cigarette smoke box density variation detection system detection lug cigarette smoke box density variation, comprises the steps:
Sheet cigarette smoke box is by delivery track uniform motion, after photocell detection arrives to sheet cigarette smoke box, described photoelectric tube sends enabling signal by PLC to servomotor, start servomotor, servomotor arrives a fixed speed in moment, drives described microwave transmitting probe and microwave receiving probe respectively along described upper rail and simultaneously synchronous equidirectional the moving with uniform velocity of lower guideway by described connecting link;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 1 photoelectric tube, described No. 1 photoelectric tube sends the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that a is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 2 photoelectric tubes, described No. 2 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that b is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 3 photoelectric tubes, described No. 3 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that c is ordered;
Described microwave transmitting probe and microwave receiving probe continues to move with uniform velocity until encounter the described limit switch of guide rail one side and start to turn to move with uniform velocity, in the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 3 photoelectric tubes again, described No. 3 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, industrial computer control gathers out the density value that d is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 2 photoelectric tubes again, described No. 2 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that e is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 1 photoelectric tube again, described No. 1 photoelectric tube sends the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that f is ordered;
Described microwave transmitting probe and microwave receiving probe continues to move with uniform velocity until encounter the described limit switch of guide rail opposite side and start to turn to move with uniform velocity, in the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 1 photoelectric tube again, described No. 1 photoelectric tube sends the instruction of collection signal to industrial computer by PLC, industrial computer control gathers out the density value that g is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 2 photoelectric tubes again, described No. 2 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that h is ordered;
In the time that described microwave transmitting probe, microwave receiving probe moves to position corresponding to No. 3 photoelectric tubes again, described No. 3 photoelectric tubes send the instruction of collection signal to industrial computer by PLC, and industrial computer control gathers out the density value that i is ordered;
Then the density value of above-mentioned 9 samplings is analyzed to obtain to the density variation of slice cigarette smoke box by described data analysis unit, the density variation microwave that completes thus the sheet cigarette smoke box of 9 samplings detects.
Preferably, described cigarette smoke box is 4～6 seconds from starting to enter detection zone to leaving the detection zone time used completely, described microwave transmitting probe and microwave receiving probe was less than or equals 0.1 second in the detection time in each site, and described microwave transmitting probe and microwave receiving time of moving between the limit switch of two ends of popping one's head in is 1.3～2 seconds.
Principle of the present utility model is: when the object of microwave penetration regular length, phase deviation can occur microwave, and along with the increase of object density, the situation of phase deviation is more serious.Transmitting probe launched microwave, the launch time of simultaneously recording microwave, after microwave penetration smoke box, arrives receiving transducer, and receiving transducer, according to the time that receives microwave, calculates the size of phase deviation, and then is multiplied by related coefficient, draws smoke box density value.
Utilize the technical solution of the utility model to carry out the detection of sheet cigarette smoke box density variation and have significant advantage, imbody is as follows: little for in-situ production environment change, do not affect normal production; Every bag detects, and need not make smoke box stop, and does not affect normal discharging speed; Support is installed and is adopted the aluminium profile that can assemble in real time, welding, does not produce spark (on-the-spot is one-level fire prevention), can be in the time of normal production installation equipment; Easy to operate, safeguard few; Smoke box density variation value can be carried out as feedback signal the automatic adjustment of density; Microwave irradiation power is 6 milliwatt left and right (radiation power when general mobile phone communication is 120 milliwatts), radiationless pollution; Detection speed is fast, only needs about 5 seconds.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model sheet cigarette smoke box density variation detection system.
Fig. 2 is the distribution schematic diagram in the utility model sheet cigarette smoke box Density Detection site.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, the embodiment that gives is only for concrete enforcement and the beneficial effect having are described, not for limiting protection domain of the present utility model.
Sheet cigarette smoke box density variation detection system as shown in Figure 1, comprises data acquisition unit and data analysis unit, and the output terminal of described data acquisition unit is connected with the input end of described data analysis unit; Described data acquisition unit comprises:
For the support 1 of installing component;
For the photoelectric tube of induced signal, described photoelectric tube has three, evenly being arranged on the top central authorities of described support 1, is respectively 22 and No. 3 photoelectric tubes 23 of 21, No. 2 photoelectric tubes of No. 1 photoelectric tube, and the distance between 21 and No. 3 photoelectric tubes 23 of described No. 1 photoelectric tube is less than the width of smoke box;
For detection of microwave transmitting probe 31 and microwave receiving probe 32;
Be used for movable upper rail 41 and the lower guideway 42 that described microwave transmitting probe 31 and microwave receiving probe 32 are set respectively, described upper rail 41 and lower guideway 42 are separately positioned on the upper and lower side of described support 1, smoke box delivery track 5 is between described upper rail 41 and lower guideway 42, and the two ends of described lower guideway 42 are respectively equipped with two limit switches 6;
For making the microwave receiving probe 32 on microwave transmitting probe 31 and the described lower guideway 42 on described upper rail 41 can produce the described upper rail 41 of connection of interlock and the connecting link 7 of lower guideway 42;
For transmitting the PLC of photoelectric tube induced signal;
For the servomotor 8 of power is provided, it is connected with one end of described connecting link 7; With
For the industrial computer 9 of controlling.
The microwave irradiation power of described microwave transmitting probe is 6 milliwatts.
A method of utilizing above-mentioned cigarette smoke box density variation detection system detection lug cigarette smoke box density variation, comprises the steps:
Sheet cigarette smoke box is by delivery track 5 uniform motion, after photocell detection arrives to smoke box, described photoelectric tube sends enabling signal by PLC to servomotor 8, start servomotor 8, servomotor 8 arrives a fixed speed in moment, drives described microwave transmitting probe 31 and microwave receiving probe 32 respectively along described upper rail 41 and simultaneously synchronous equidirectional the moving with uniform velocity of lower guideway 42 by described chain extension bar 7;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 1 photoelectric tube 21 correspondences, described No. 1 photoelectric tube 21 sends the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that a is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 2 photoelectric tube 22 correspondences, described No. 2 photoelectric tubes 22 send the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that b is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 3 photoelectric tube 23 correspondences, described No. 3 photoelectric tubes 23 send the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that c is ordered;
Described microwave transmitting probe 31 and microwave receiving probe 32 continues to move with uniform velocity until encounter the described limit switch 6 of guide rail one side and start to turn to move with uniform velocity, in the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 3 photoelectric tube 23 correspondences again, described No. 3 photoelectric tubes 23 send the instruction of collection signal to industrial computer 9 by PLC, industrial computer 9 is controlled and gathered out the density value that d is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 2 photoelectric tube 22 correspondences again, described No. 2 photoelectric tubes 22 send the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that e is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 1 photoelectric tube 21 correspondences again, described No. 1 photoelectric tube 21 sends the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that f is ordered;
Described microwave transmitting probe 31 and microwave receiving probe 32 continues to move with uniform velocity until encounter the described limit switch 6 of guide rail opposite side and start to turn to move with uniform velocity, in the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 1 photoelectric tube 21 correspondences again, described No. 1 photoelectric tube 21 sends the instruction of collection signal to industrial computer 9 by PLC, industrial computer 9 is controlled and gathered out the density value that g is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 2 photoelectric tube 22 correspondences again, described No. 2 photoelectric tubes 22 send the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that h is ordered;
In the time that described microwave transmitting probe 31, microwave receiving probe 32 move to the position of No. 3 photoelectric tube 23 correspondences again, described No. 3 photoelectric tubes 23 send the instruction of collection signal to industrial computer 9 by PLC, and industrial computer 9 is controlled and gathered out the density value that i is ordered.Above-mentioned smoke box detection site schematic diagram as shown in Figure 2.
Described cigarette smoke box is 5 seconds from starting to enter detection zone to leaving the detection zone time used completely, 32 detection times in each site of described microwave transmitting probe 31 and microwave receiving probe are 0.08 second, and the times of described microwave transmitting probe 31 and 32 motions between two ends limit switch 6 of microwave receiving probe are 1.3 seconds.
Then the density value of above-mentioned 9 samplings is analyzed to obtain to the density variation of slice cigarette smoke box by described data analysis unit, the density variation microwave that completes thus the sheet cigarette smoke box of 9 samplings detects.
Although the utility model is illustrated according to preferred embodiment, has the change, displacement and the various alternative equivalent that drop within protection domain of the present utility model.For example: be not difficult to draw by N(N >=4 being set in cantilever tip from above scheme) individual photoelectric tube, can complete the more density variation microwave of the sheet cigarette smoke box of multidraw and detect, and can improve degree of accuracy.The pick-up unit of this more pinpoint accuracy and detection method thereof are also in protection domain of the present utility model.Therefore, be intended to appending claims to be interpreted as comprising all these changes, displacement and the various alternative equivalent that drop within protection domain of the present utility model.
Claims (1)
1. a sheet cigarette smoke box density variation detection system, is characterized in that: comprise data acquisition unit and data analysis unit, the output terminal of described data acquisition unit is connected with the input end of described data analysis unit; Described data acquisition unit comprises:
For the support of installing component;
For the photoelectric tube of induced signal, described photoelectric tube has three, is evenly arranged on the top central authorities of described support, is respectively No. 1 photoelectric tube, No. 2 photoelectric tubes and No. 3 photoelectric tubes, and the distance between described No. 1 photoelectric tube and No. 3 photoelectric tubes is less than the width of smoke box;
For detection of microwave transmitting probe and microwave receiving probe;
Be used for movable upper rail and the lower guideway that described microwave transmitting probe and microwave receiving probe are set respectively, described upper rail and lower guideway are separately positioned on the upper and lower side of described support, smoke box delivery track is between described upper rail and lower guideway, and the two ends of described upper rail and/or lower guideway are respectively equipped with two limit switches;
For making the microwave receiving probe on microwave transmitting probe and the described lower guideway on described upper rail can produce the described upper rail of connection of interlock and the connecting link of lower guideway;
For transmitting the programmable logic controller (PLC) of photoelectric tube induced signal;
For the servomotor of power is provided, it is connected with one end of described connecting link; With
For the industrial computer of controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173108.6U CN203785989U (en) | 2014-04-10 | 2014-04-10 | Lamina case density deviation detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173108.6U CN203785989U (en) | 2014-04-10 | 2014-04-10 | Lamina case density deviation detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785989U true CN203785989U (en) | 2014-08-20 |
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ID=51322166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420173108.6U Withdrawn - After Issue CN203785989U (en) | 2014-04-10 | 2014-04-10 | Lamina case density deviation detection system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203785989U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900932A (en) * | 2014-04-10 | 2014-07-02 | 上海创和亿电子科技发展有限公司 | System and method for detecting density deviation of flue-cured tobacco lamina box |
| CN113766838A (en) * | 2019-08-20 | 2021-12-07 | 日本烟草产业株式会社 | Method and apparatus for manufacturing cylindrical heating type smoking article |
-
2014
- 2014-04-10 CN CN201420173108.6U patent/CN203785989U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900932A (en) * | 2014-04-10 | 2014-07-02 | 上海创和亿电子科技发展有限公司 | System and method for detecting density deviation of flue-cured tobacco lamina box |
| CN103900932B (en) * | 2014-04-10 | 2016-10-05 | 上海创和亿电子科技发展有限公司 | A kind of sheet cigarette smoke box density variation detecting system and detection method thereof |
| CN113766838A (en) * | 2019-08-20 | 2021-12-07 | 日本烟草产业株式会社 | Method and apparatus for manufacturing cylindrical heating type smoking article |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |