CN111743191B - Remote control method and system for injection steam pressure of perfuming and charging - Google Patents
Remote control method and system for injection steam pressure of perfuming and charging Download PDFInfo
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- CN111743191B CN111743191B CN202010627684.3A CN202010627684A CN111743191B CN 111743191 B CN111743191 B CN 111743191B CN 202010627684 A CN202010627684 A CN 202010627684A CN 111743191 B CN111743191 B CN 111743191B
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/12—Steaming, curing, or flavouring tobacco
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
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Abstract
The invention provides a remote control method and a system for injecting steam pressure by adding fragrance and feeding materials, wherein the method comprises the following steps: setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables; acquiring actual injection pressure in an injection pipeline, and acquiring a pressure difference value according to the actual injection pressure and the expected injection pressure; and the pressure difference value is used as feedback input of PID control, PID control of injection pressure is carried out, and injection pressure in the injection pipeline is automatically adjusted according to the production grade. The invention can improve the control accuracy of the charging and perfuming process, and improve the production efficiency and the production safety.
Description
Technical Field
The invention relates to the technical field of cigarette production, in particular to a remote control method and a remote control system for injecting steam pressure by adding fragrance and feeding materials.
Background
The charging and flavoring are important production links in the tobacco industry in the production process of the cut tobacco. The existing silk production line produces a plurality of products with different brands, different feed liquid injection pressures need to be used according to the process characteristics of each brand and different requirements on the temperature of the blade after feeding, and the feeding atomization injection pressure needs to be frequently switched when the brand is changed. Because different feed liquid injection pressures are different in temperature and water content of the leaves and the cut tobacco, different steam and compressed air injection pressures are used for certain different brands in the aspect of process improvement so as to meet different process innovation requirements. Therefore, the control performance of automatically adjusting the injection pressure of feeding and perfuming can be realized, so as to meet the injection pressure requirements of tobacco liquids of different brands.
Disclosure of Invention
The invention provides a remote control method and a remote control system for injecting steam pressure in flavoring, feeding and flavoring, which solve the problem that injection pressure control of different feed liquids cannot be automatically adjusted in the existing flavoring and feeding production link, improve the accuracy of the control in the flavoring and feeding process, and improve the production efficiency and the production safety.
In order to achieve the above purpose, the invention provides the following technical scheme:
a remote control method for injecting steam pressure in flavoring and feeding comprises the following steps:
setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables;
acquiring actual injection pressure in an injection pipeline, and acquiring a pressure difference value according to the actual injection pressure and the expected injection pressure;
and the pressure difference value is used as feedback input of PID control, PID control of injection pressure is carried out, and injection pressure in the injection pipeline is automatically adjusted according to the production grade.
Preferably, the method further comprises the following steps:
arranging a pneumatic film valve on the injection pipeline, and arranging a second corresponding meter of the opening degree of the pneumatic film valve and the injection pressure;
obtaining the expected opening degree of the pneumatic membrane valve according to the expected injection pressure and the second corresponding table;
acquiring the actual opening of the pneumatic membrane valve, and obtaining an opening difference value according to the actual opening and the expected opening;
and the opening difference value is used as feedback input of PID control, and the PID control of the opening is carried out so that the opening of the pneumatic membrane valve is automatically adjusted according to the production grade.
Preferably, the method further comprises the following steps:
and setting an alarm pressure threshold, if the actual injection pressure is greater than the alarm pressure threshold, judging that the system is abnormal, and performing injection pressure alarm.
Preferably, the method further comprises the following steps:
acquiring total steam pressure in an injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline;
if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
Preferably, the method further comprises the following steps:
and setting a steam pressure control curve, and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
The invention also provides a remote control system for injecting steam pressure by adding fragrance and charging materials, which comprises:
the device comprises a first setting unit, a second setting unit and a third setting unit, wherein the first setting unit is used for setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables;
the pressure sensor is used for acquiring the actual injection pressure in the injection pipeline;
and the PID controller is used for obtaining a pressure difference value according to the actual injection pressure and the expected injection pressure, taking the pressure difference value as feedback input of PID control, and performing PID control on the injection pressure so that the injection pressure in the injection pipeline is automatically adjusted according to the production brand.
Preferably, the method further comprises the following steps:
the pneumatic membrane valve is arranged on the injection pipeline to adjust the steam pressure and flow in the pipeline;
the second setting unit is used for setting a second corresponding meter of the opening degree and the injection pressure of the pneumatic membrane valve;
the position sensor is used for acquiring the actual opening degree of the pneumatic membrane valve;
the PID controller is further used for obtaining an expected opening degree of the pneumatic film valve according to the expected injection pressure and the second corresponding table, obtaining an opening degree difference value according to the actual opening degree and the expected opening degree, inputting the opening degree difference value as feedback of PID control, and performing PID control on the opening degree to enable the opening degree of the pneumatic film valve to be automatically adjusted according to a production grade.
Preferably, the method further comprises the following steps:
and the third setting unit is used for setting an alarm pressure threshold value, judging that the system is abnormal if the actual injection pressure is greater than the alarm pressure threshold value, and performing injection pressure alarm.
Preferably, the method further comprises the following steps:
the PID controller is also used for acquiring the total steam pressure in the injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline; if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
Preferably, the method further comprises the following steps:
and the fourth setting unit is used for setting a steam pressure control curve and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
The invention provides a remote control method and a remote control system for injecting steam pressure in flavoring and feeding, which are characterized in that a first corresponding table of different grades of cut tobacco and injection pressure is arranged, and the expected injection pressure required by an injection pipeline is determined according to the current production grade and the first corresponding table to carry out PID control, so that the injection pressure in the injection pipeline is automatically adjusted according to the production grade. The problem that injection pressure control of different feed liquids cannot be automatically adjusted in the existing feeding and flavoring production link is solved, the accuracy of feeding and flavoring process control can be improved, and the production efficiency and the production safety are improved.
Drawings
In order to more clearly describe the specific embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a method for remotely controlling the injection steam pressure of flavoring and casing provided by the invention.
Figure 2 is a schematic diagram of another method for remotely controlling the injection steam pressure of the flavoring and casing provided by the invention.
Fig. 3 is a flow chart of injection pressure adjustment according to an embodiment of the present invention.
Fig. 4 is a flowchart of the opening adjustment of the pneumatic membrane valve according to the embodiment of the present invention.
Detailed Description
In order to make the technical field of the invention better understand the scheme of the embodiment of the invention, the embodiment of the invention is further described in detail with reference to the drawings and the implementation mode.
Aiming at the problems that injection pressure control of flavoring and feeding in the current silk making process needs manual operation and cannot automatically adjust injection pressure of feed liquid, the invention provides a remote control method and a remote control system for the injection pressure of flavoring and feeding. The problem that injection pressure control of different feed liquids cannot be automatically adjusted in the existing feeding and flavoring production link is solved, the accuracy of feeding and flavoring process control can be improved, and the production efficiency and the production safety are improved.
As shown in fig. 1, a remote control method of ejection steam pressure of flavoring and feeding comprises the following steps:
s1: setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables;
s2: acquiring actual injection pressure in an injection pipeline, and acquiring a pressure difference value according to the actual injection pressure and the expected injection pressure;
s3: and the pressure difference value is used as feedback input of PID control, PID control of injection pressure is carried out, and injection pressure in the injection pipeline is automatically adjusted according to the production grade.
Specifically, as shown in fig. 2, the injection pressure parameter is bound with the production work order, the cut tobacco of the production grade is determined according to the production work order, and the required expected injection pressure is determined according to the first mapping table. And carrying out PID (proportion integration differentiation) regulation to realize automatic regulation of injection pressure according to the injection pressure in the detection injection pipeline. The whole process of injection pressure regulation can be controlled by a PLC program, a PID regulating program is arranged in a PLC controller, the PLC controller does not need to be attended, the system automatically alarms and stops when errors occur, field faults can be judged and processed quickly through the PLC system, meanwhile, the PLC and the sub-central control system adopt a communication mode to introduce data into an operation station, and an operator can remotely watch local injection steam parameters in a control room. The invention can improve the control accuracy of the charging and perfuming process, and improve the production efficiency and the production safety.
As shown in fig. 2, the method further comprises:
s4: arranging a pneumatic film valve on the injection pipeline, and arranging a second corresponding meter of the opening degree of the pneumatic film valve and the injection pressure;
s5: obtaining the expected opening degree of the pneumatic membrane valve according to the expected injection pressure and the second corresponding table;
s6: acquiring the actual opening of the pneumatic membrane valve, and obtaining an opening difference value according to the actual opening and the expected opening;
s7: and the opening difference value is used as feedback input of PID control, and the PID control of the opening is carried out so that the opening of the pneumatic membrane valve is automatically adjusted according to the production grade.
Specifically, a PID closed-loop control mode is adopted, a PID set value is read from an identification number in a work order, an actual value is read by an injection steam pressure detector, the opening degree of the pneumatic film valve can be controlled through a 4-20mA signal, and when the set value is not in accordance with the actual value, the opening degree of the pneumatic film valve is automatically adjusted to adjust the actual injection steam pressure. The corresponding relation between the injection pressure and the opening degree of the pneumatic film valve is determined by setting a second corresponding table of the opening degree of the pneumatic film valve and the injection pressure, and then PID adjustment is carried out by adjusting the opening degree of the pneumatic film valve so as to automatically adjust the injection pressure.
The method further comprises the following steps:
s8: and setting an alarm pressure threshold, if the actual injection pressure is greater than the alarm pressure threshold, judging that the system is abnormal, and performing injection pressure alarm.
In practical application, as shown in fig. 3, an alarm pressure threshold is set to determine whether the injection pressure is abnormal, if so, the system is shut down, and the fault is removed through maintenance.
The method further comprises the following steps:
s9: acquiring total steam pressure in an injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline; if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
The method further comprises the following steps:
s10: and setting a steam pressure control curve, and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
In practical application, as shown in fig. 4, it is determined whether the total steam pressure has deviation variation, a trade mark of the flavoring and charging injection steam pressure corresponds to a set value steam pressure, a trade mark steam pressure and PID stable time valve opening data table is established, and the data table is written into a design program. Before production begins, the steam pressure is required to be injected by a system calling brand, a valve opening data table is obtained, the initial opening of a valve is immediately opened to the set opening of the data table at the beginning of production, PID adjustment is started, the PID adjustment mode adopts a fine adjustment mode, the opening of the valve is adjusted in a small radian mode, an opening section is set, a control steam pressure curve is more stable, and the injection steam pressure reaches a steady state for a shorter time.
The invention provides a remote control method for injecting steam pressure in flavoring and feeding, which is characterized in that a first corresponding table of different grades of cut tobacco and injection pressure is arranged, and the expected injection pressure required by an injection pipeline is determined according to the current production grade and the first corresponding table to carry out PID control, so that the injection pressure in the injection pipeline is automatically adjusted according to the production grade. The problem that injection pressure control of different feed liquids cannot be automatically adjusted in the existing feeding and flavoring production link is solved, the accuracy of feeding and flavoring process control can be improved, and the production efficiency and the production safety are improved.
Correspondingly, the invention also provides a remote control system for injecting steam pressure in flavoring and feeding, which comprises: the first setting unit is used for setting different grades of cut tobacco and a first corresponding table of injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding table. And the pressure sensor is used for acquiring the actual injection pressure in the injection pipeline. And the PID controller is used for obtaining a pressure difference value according to the actual injection pressure and the expected injection pressure, taking the pressure difference value as feedback input of PID control, and performing PID control on the injection pressure so that the injection pressure in the injection pipeline is automatically adjusted according to the production brand.
The system further comprises: and the pneumatic membrane valve is arranged on the injection pipeline to adjust the steam pressure and flow in the pipeline. And the second setting unit is used for setting a second corresponding meter of the opening degree and the injection pressure of the pneumatic membrane valve. And the position sensor is used for acquiring the actual opening degree of the pneumatic membrane valve. The PID controller is further used for obtaining an expected opening degree of the pneumatic film valve according to the expected injection pressure and the second corresponding table, obtaining an opening degree difference value according to the actual opening degree and the expected opening degree, inputting the opening degree difference value as feedback of PID control, and performing PID control on the opening degree to enable the opening degree of the pneumatic film valve to be automatically adjusted according to a production grade.
The system further comprises: and the third setting unit is used for setting an alarm pressure threshold value, judging that the system is abnormal if the actual injection pressure is greater than the alarm pressure threshold value, and performing injection pressure alarm.
The system further comprises: the PID controller is also used for acquiring the total steam pressure in the injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline; if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
The system further comprises: and the fourth setting unit is used for setting a steam pressure control curve and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
The invention provides a remote control system for injecting steam pressure by adding and feeding materials, which is characterized in that a first corresponding table of different grades of cut tobacco and injection pressure is arranged, and the expected injection pressure required by an injection pipeline is determined according to the current production grade and the first corresponding table to carry out PID control so that the injection pressure in the injection pipeline is automatically adjusted according to the production grade. The problem that injection pressure control of different feed liquids cannot be automatically adjusted in the existing feeding and flavoring production link is solved, the accuracy of feeding and flavoring process control can be improved, and the production efficiency and the production safety are improved.
The construction, features and functions of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings, and all equivalent embodiments modified or modified by the spirit and scope of the present invention should be protected without departing from the spirit of the present invention.
Claims (8)
1. A remote control method for injecting steam pressure in flavoring and feeding is characterized by comprising the following steps:
setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables;
acquiring actual injection pressure in an injection pipeline, and acquiring a pressure difference value according to the actual injection pressure and the expected injection pressure;
the pressure difference value is used as feedback input of PID control, PID control of injection pressure is carried out, and injection pressure in an injection pipeline is automatically adjusted according to a production mark;
arranging a pneumatic film valve on the injection pipeline, and arranging a second corresponding meter of the opening degree of the pneumatic film valve and the injection pressure;
obtaining the expected opening degree of the pneumatic membrane valve according to the expected injection pressure and the second corresponding table;
acquiring the actual opening of the pneumatic membrane valve, and obtaining an opening difference value according to the actual opening and the expected opening;
and the opening difference value is used as feedback input of PID control, and the PID control of the opening is carried out so that the opening of the pneumatic membrane valve is automatically adjusted according to the production grade.
2. A method of remotely controlling the ejector vapor pressure of a flavored charge as defined in claim 1, further comprising:
and setting an alarm pressure threshold, if the actual injection pressure is greater than the alarm pressure threshold, judging that the system is abnormal, and performing injection pressure alarm.
3. A method of remotely controlling the ejector vapor pressure of a flavored charge as defined in claim 2, further comprising:
acquiring total steam pressure in an injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline;
if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
4. A method of remotely controlling the ejector vapor pressure of a flavored charge of claim 3, further comprising:
and setting a steam pressure control curve, and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
5. A remote control system for injecting steam pressure in flavoring and feeding is characterized by comprising:
the device comprises a first setting unit, a second setting unit and a third setting unit, wherein the first setting unit is used for setting first corresponding tables of different grades of cut tobaccos and injection pressure, acquiring a production work order to acquire a current production grade, and determining expected injection pressure required by an injection pipeline according to the current production grade and the first corresponding tables;
the pressure sensor is used for acquiring the actual injection pressure in the injection pipeline;
the PID controller is used for obtaining a pressure difference value according to the actual injection pressure and the expected injection pressure, taking the pressure difference value as the feedback input of PID control, and performing PID control on the injection pressure so that the injection pressure in the injection pipeline is automatically adjusted according to the production brand;
the pneumatic membrane valve is arranged on the injection pipeline to adjust the steam pressure and flow in the pipeline;
the second setting unit is used for setting a second corresponding meter of the opening degree and the injection pressure of the pneumatic membrane valve;
the position sensor is used for acquiring the actual opening degree of the pneumatic membrane valve;
the PID controller is further used for obtaining an expected opening degree of the pneumatic film valve according to the expected injection pressure and the second corresponding table, obtaining an opening degree difference value according to the actual opening degree and the expected opening degree, inputting the opening degree difference value as feedback of PID control, and performing PID control on the opening degree to enable the opening degree of the pneumatic film valve to be automatically adjusted according to a production grade.
6. A system for remotely controlling the injection vapor pressure of a flavored charge as recited in claim 5, further comprising:
and the third setting unit is used for setting an alarm pressure threshold value, judging that the system is abnormal if the actual injection pressure is greater than the alarm pressure threshold value, and performing injection pressure alarm.
7. A system for remotely controlling the injection vapor pressure of a flavored refill according to claim 6, further comprising:
the PID controller is also used for acquiring the total steam pressure in the injection pipeline, judging whether the total steam pressure is abnormal or not, and if so, performing steam pressure PID control to adjust the steam pressure in the injection pipeline; if not, adjusting the injection pressure and the opening of the pneumatic membrane valve according to the first corresponding table and the second corresponding table so as to adapt to the production of different production grades.
8. A system for remotely controlling the injection vapor pressure of a flavored charge as recited in claim 7, further comprising:
and the fourth setting unit is used for setting a steam pressure control curve and carrying out PID control on the steam pressure according to the steam pressure control curve so as to adjust the injection pressure in the injection pipeline.
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| CN202010627684.3A CN111743191B (en) | 2020-07-01 | 2020-07-01 | Remote control method and system for injection steam pressure of perfuming and charging |
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| CN202010627684.3A CN111743191B (en) | 2020-07-01 | 2020-07-01 | Remote control method and system for injection steam pressure of perfuming and charging |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112790419B (en) * | 2021-03-18 | 2022-09-23 | 河南中烟工业有限责任公司 | Method and system for controlling processing parameters of cut tobacco charging |
| CN114176251A (en) * | 2022-01-18 | 2022-03-15 | 陈振业 | Automatic control system and device for tobacco leaf charging injection steam pressure |
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