CN114009819B - Method and device for adjusting tobacco leaf drying temperature, electronic equipment and storage medium - Google Patents
Method and device for adjusting tobacco leaf drying temperature, electronic equipment and storage medium Download PDFInfo
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- CN114009819B CN114009819B CN202111205841.2A CN202111205841A CN114009819B CN 114009819 B CN114009819 B CN 114009819B CN 202111205841 A CN202111205841 A CN 202111205841A CN 114009819 B CN114009819 B CN 114009819B
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- 238000001035 drying Methods 0.000 title claims abstract description 359
- 241000208125 Nicotiana Species 0.000 title claims abstract description 174
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000013643 reference control Substances 0.000 claims abstract description 72
- 238000005485 electric heating Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007791 dehumidification Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000001960 triggered effect Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000004590 computer program Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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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
- A24B3/10—Roasting or cooling tobacco
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application relates to the technical field of drying control, and discloses a method for adjusting the drying temperature of tobacco leaves, which is applied to a heat pump dryer, and comprises the following steps: determining the drying stage of the tobacco leaves in the drying room; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved. The application also discloses a device, electronic equipment and a storage medium for adjusting the tobacco leaf drying temperature.
Description
Technical Field
The present application relates to the field of drying control technologies, and for example, to a method and an apparatus for adjusting a drying temperature of tobacco leaves, an electronic device, and a storage medium.
Background
At present, when the tobacco leaves in a drying room are dried by a heat pump dryer, the drying temperature of the tobacco leaves needs to be controlled and adjusted in order to ensure the drying effect of the tobacco leaves.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
because the drying processes of the tobacco leaves are different at different drying stages, when the tobacco leaves are dried in the prior art, the drying processes of the tobacco leaves at different drying stages are not considered, so that the drying temperature of the tobacco leaves at different drying stages is difficult to accurately adjust, and the drying effect of the tobacco leaves is poor.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for adjusting the drying temperature of tobacco leaves, electronic equipment and a storage medium, so that the drying temperature of the tobacco leaves in different drying stages can be accurately adjusted.
In some embodiments, the method for adjusting the tobacco leaf drying temperature is applied to a heat pump dryer, and the method comprises the following steps: determining the drying stage of the tobacco leaves in the drying room; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters.
In some embodiments, the apparatus for adjusting the tobacco leaf drying temperature is applied to a heat pump dryer, and the apparatus for adjusting the tobacco leaf drying temperature includes: a first determining module configured to determine a drying stage of tobacco leaves in a drying room; a second determination module configured to determine a reference control parameter according to the drying phase; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; an adjustment module configured to adjust a drying temperature of the tobacco leaves according to the reference control parameter.
In some embodiments, the apparatus for adjusting tobacco leaf drying temperature comprises a processor and a memory storing program instructions, the processor being configured to execute the above-described method for adjusting tobacco leaf drying temperature when executing the program instructions.
In some embodiments, the electronic device comprises the above-mentioned device for adjusting the tobacco leaf drying temperature.
In some embodiments, the storage medium stores program instructions that, when executed, perform the method for adjusting the tobacco leaf drying temperature described above.
The method and the device for adjusting the drying temperature of the tobacco leaves, the electronic equipment and the storage medium provided by the embodiment of the disclosure can realize the following technical effects: determining the drying stage of the tobacco leaves in the drying room; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time length, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:
FIG. 1 is a schematic diagram of a method for adjusting a tobacco leaf drying temperature according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another method for adjusting tobacco leaf drying temperature provided by the embodiments of the present disclosure;
FIG. 3 is a schematic diagram of another method for adjusting tobacco leaf drying temperature provided by the embodiments of the present disclosure;
FIG. 4 is a schematic diagram of another method for adjusting the humidity of tobacco leaves during drying provided by the embodiments of the present disclosure;
FIG. 5 is a schematic view of an apparatus for adjusting tobacco leaf drying temperature according to an embodiment of the present disclosure;
fig. 6 is a schematic view of another apparatus for adjusting tobacco leaf drying temperature according to the embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and advantages of the embodiments of the present disclosure can be understood in detail, a more particular description of the embodiments of the disclosure, briefly summarized above, may be had by reference to the appended drawings, which are included to illustrate, but are not intended to limit the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
Referring to fig. 1, an embodiment of the present disclosure provides a method for adjusting a tobacco leaf drying temperature, applied to a heat pump dryer, the method including:
step S101, determining the drying stage of the tobacco leaves in the drying room.
Step S102, determining reference control parameters according to the drying stage; the reference control parameters include a target drying time period, a target drying temperature increase rate, and a target maximum temperature.
And S103, adjusting the drying temperature of the tobacco leaves according to the reference control parameters.
By adopting the method for adjusting the drying temperature of the tobacco leaves provided by the embodiment of the disclosure, the drying stage of the tobacco leaves in the drying room is determined; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved.
Optionally, determining a drying stage of the tobacco leaves in the drying room includes: acquiring the running time of the heat pump dryer; and determining the drying stage of the tobacco leaves according to the operation time of the heat pump dryer.
Optionally, determining the drying stage of the tobacco leaves according to the operation time includes: determining a time range in which the running time is located; and matching the drying stage corresponding to the time range from a preset database according to the time range, wherein the database stores the corresponding relation between the time range and the drying stage.
Optionally, the drying stage of the tobacco leaves comprises: the method comprises a first preset stage, a second preset stage and a third preset stage. Optionally, the first preset stage is a yellowing stage, the second preset stage is a color fixing stage, and the third preset stage is a tendon drying stage.
In some embodiments, the first preset operation time from the start-up of the heat pump dryer to the operation is a yellowing period; setting the color fixing period from the first preset running time to the second preset running time; and the second preset operation time to the third operation time are dry muscle periods.
Optionally, the heat pump dryer is applied to a closed drying system, and dries the tobacco leaves through the heat pump dryer, and the heat pump dryer includes a compressor, a condenser, an evaporator, an electronic expansion valve, an auxiliary electric heating device, an evaporator side fan, a condenser side fan, a fresh air valve and an exhaust valve.
Optionally, the electronic expansion valve is used for controllably adjusting the air suction-exhaust pressure ratio, and the air suction-exhaust pressure ratio is adjusted by adjusting the valve opening of the electronic expansion valve; the auxiliary electric heating device is used for controlled heating; the fresh air valve is used for introducing fresh air in a controlled manner, and the exhaust valve is used for exhausting air in a controlled manner; the condenser side fan is arranged on the side of the condenser and used for blowing air to the condenser in a controlled manner; the evaporator side fan is arranged on the evaporator side and is used for controlling air to be blown to the evaporator.
Optionally, be provided with wet-dry bulb temperature sensor in the baking house, wet-dry bulb temperature sensor is used for monitoring wet bulb temperature and dry bulb temperature in the baking house, adjusts the stoving temperature of tobacco leaf according to reference control parameter, includes: acquiring a plurality of dry-bulb temperatures in a drying stage; acquiring the increase rate of the dry-bulb temperature in the drying stage according to the dry-bulb temperature; and adjusting the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter.
Optionally, acquiring a dry-bulb temperature increase rate in the drying stage according to each dry-bulb temperature includes: randomly selecting two dry bulb temperatures from the dry bulb temperatures, and determining the two dry bulb temperatures as a first dry bulb temperature and a second dry bulb temperature; acquiring the recording time of the first dry bulb temperature and the recording time of the second dry bulb temperature; and acquiring the temperature difference between the first dry-bulb temperature and the second dry-bulb temperature, acquiring the time difference between the recording time of the first dry-bulb temperature and the recording time of the second dry-bulb temperature, and dividing the time difference by the temperature difference to obtain the dry-bulb temperature increase rate in the drying stage.
Referring to fig. 2, an embodiment of the present disclosure provides a method for adjusting a tobacco leaf drying temperature, including:
step S201, determining a drying stage of tobacco leaves in a drying room, and determining reference control parameters according to the drying stage.
Step S202, a plurality of dry-bulb temperatures in the drying stage are acquired.
And step S203, acquiring the dry-bulb temperature increase rate in the drying stage according to the dry-bulb temperatures.
And S204, adjusting the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter.
By adopting the method for adjusting the drying temperature of the tobacco leaves, which is provided by the embodiment of the disclosure, the drying temperature of the tobacco leaves in different drying stages can be adjusted more accurately according to the reference control parameters by acquiring the reference control parameters in different drying stages, so that the drying effect of the tobacco leaves can be improved.
Optionally, the heat pump dryer includes a compressor and an electronic expansion valve, and adjusts the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter, including: acquiring the drying temperature of the tobacco leaves; under the condition that the increase rate of the dry bulb temperature is equal to the increase rate of the target drying temperature, maintaining the frequency of a compressor of the compressor to the target drying time; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the frequency of a compressor to increase a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period; or, under the condition that the increase rate of the dry bulb temperature is higher than the increase rate of the target drying temperature, the frequency of a press of a compressor is triggered to reduce a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and the target maximum temperature is kept to the target drying time period.
Optionally, the drying temperature of the tobacco leaves is obtained according to the following method comprising: and acquiring the dry bulb temperature, and determining the dry bulb temperature as the drying temperature of the tobacco leaves.
Optionally, the first preset time period is 30min-60 min.
Optionally, the first predetermined value is 5 hz.
Alternatively, in the case where the dry-bulb temperature increase rate is equal to the target drying temperature increase rate, the current air volume of the evaporator side fan and the condenser side fan are maintained for the target drying time period.
Alternatively, in the case where the dry bulb temperature increase rate is lower than the target drying temperature increase rate, the air volume of the evaporator side blower and the air volume of the condenser side blower are gradually increased until the drying temperature of the tobacco leaves is the target maximum temperature, and the target maximum temperature is maintained for a target drying time period.
Alternatively, in the case where the dry-bulb temperature increase rate is higher than the target drying temperature increase rate, the air volume of the evaporator side blower and the air volume of the condenser side blower are gradually reduced until the drying temperature of the tobacco leaves is the target maximum temperature, and the target maximum temperature is maintained for a target drying time period.
Optionally, the heat pump dryer includes an electronic expansion valve, and adjusts the drying temperature of the tobacco leaves according to the dry-bulb temperature increase rate and the reference control parameter, including: under the condition that the dry bulb temperature increase rate is equal to the target drying temperature increase rate, keeping the valve opening degree of the electronic expansion valve within the target drying time length; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the valve opening of the electronic expansion valve to increase a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period; or, under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, triggering the valve opening of the electronic expansion valve to reduce a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period.
Optionally, the heat pump dryer includes an auxiliary electric heating device, the auxiliary electric heating device is used for being controlled to heat, and the drying temperature of the tobacco leaves is adjusted according to the dry-bulb temperature increase rate and the reference control parameter, and the method includes: under the condition that the dry bulb temperature increase rate is equal to the target drying temperature increase rate, keeping the heating power of the auxiliary electric heating device within the target drying time; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the heating power of the auxiliary electric heating device to increase a third preset numerical value every a third preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period; or, under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, the heating power of the auxiliary electric heating device is triggered to be reduced by a third preset numerical value every third preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and the target highest temperature is maintained in the target drying time period.
Referring to fig. 3, an embodiment of the present disclosure provides a method for adjusting a tobacco leaf drying temperature, including:
step S301, acquiring the dry-bulb temperature increase rate in the preset time period in the drying stage.
Step S302, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, the frequency of a press of a compressor is triggered to be gradually increased until the drying temperature of the tobacco leaves is the same as the target highest temperature in the drying stage.
And step S303, under the condition that the frequency of the compressor reaches the maximum value and the drying temperature of the tobacco leaves is still lower than the target highest temperature in the drying stage, triggering the valve opening of the electronic expansion valve to gradually increase until the drying temperature of the tobacco leaves is the same as the target highest temperature in the drying stage.
Step S304, under the condition that the valve opening of the electronic expansion valve reaches the maximum value and the drying temperature of the tobacco leaves is still lower than the target highest temperature in the drying stage, triggering the auxiliary electric heating device to heat until the drying temperature of the tobacco leaves is the same as the target highest temperature in the drying stage.
By adopting the method for adjusting the tobacco leaf drying temperature provided by the embodiment of the disclosure, when the dry bulb temperature increase rate in the preset time period is different from the target drying temperature increase rate in each drying stage, the frequency of the compressor is adjusted, when the frequency of the compressor reaches the maximum and the drying temperature of the tobacco leaves still does not accord with the highest temperature of the drying stage, the valve opening degree of the electronic expansion valve is adjusted, when the valve opening degree of the electronic expansion valve reaches the maximum and the drying temperature of the tobacco leaves still does not accord with the highest temperature of the drying stage, the auxiliary electric heating device is triggered to heat until the drying temperature of the tobacco leaves is the same as the target highest temperature in the drying stage. Therefore, the drying temperature of the tobacco leaves in different drying stages can be adjusted more accurately, and the drying effect of the tobacco leaves can be improved.
In some embodiments, a drying stage of tobacco leaves in a drying room is determined, and reference control parameters corresponding to the drying stage are determined, wherein the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; acquiring the dry bulb temperature increase rate in a preset time period at the drying stage, and triggering the compressor frequency of the compressor to gradually increase, and triggering the air volume of the evaporator side fan and the air volume of the condenser side fan to gradually increase under the condition that the dry bulb temperature increase rate is lower than the target drying temperature increase rate; under the condition that the frequency of the compressor and the air quantity of each fan reach the maximum and the drying temperature of the tobacco leaves is still lower than the target maximum temperature of the drying stage, triggering the valve opening of the electronic expansion valve to gradually increase; and under the condition that the valve opening of the electronic expansion valve reaches the maximum and the drying temperature of the tobacco leaves is still lower than the target highest temperature in the drying stage, triggering the auxiliary electric heating device to heat until the drying temperature of the tobacco leaves is the same as the target highest temperature in the drying stage, and keeping the target highest temperature in the target drying time.
Optionally, be provided with dry-wet bulb temperature sensor in the baking house, dry-wet bulb temperature sensor is used for monitoring wet-bulb temperature and dry-bulb temperature in the baking house, confirms the stoving stage back of tobacco leaf, still includes: acquiring the wet bulb temperature in the drying stage; and adjusting the drying humidity of the tobacco leaves according to the temperature of each wet bulb.
Optionally, the heat pump dryer includes fresh air valve and exhaust valve, and fresh air valve is used for the controlled new trend that introduces, and the exhaust valve is used for controlled hydrofuge, adjusts the stoving humidity of tobacco leaf according to each wet bulb temperature, includes: and under the condition that the wet bulb temperature is within the preset temperature range, triggering the fresh air valve and the exhaust valve to be opened until the wet bulb temperature is within the target wet bulb temperature range corresponding to the drying stage.
Alternatively, an intermediate value within the target wet bulb temperature range is determined as the target set point. Optionally, the preset temperature range is 40% -60% of the target set point.
Optionally, the valve opening of the fresh air valve and the valve opening of the exhaust valve are sequentially set to 1 gear, 2 gears and 3 gears from small to large.
In some embodiments, under the condition that the drying stage of the tobacco leaves is a color fixing period, the tobacco leaves need to be greatly dehumidified, and a fresh air valve and an exhaust air valve are triggered to be opened; under the condition that the wet bulb temperature is 40% -60% of the target set value, triggering the valve opening of the fresh air valve and the valve opening of the exhaust valve to be adjusted to 3 grades; under the condition that the wet bulb temperature is lower than 20% -40% of the target set value, triggering the valve opening of the fresh air valve and the valve opening of the exhaust air valve to be adjusted to 2 grades; under the condition that the wet bulb temperature is lower than 20% of the target set value, triggering the valve opening of the fresh air valve and the valve opening of the exhaust air valve to be adjusted to 1 gear; until the wet bulb temperature is in the target wet bulb temperature range corresponding to the drying stage.
Referring to fig. 4, an embodiment of the present disclosure provides a method for adjusting tobacco leaf drying humidity, including:
step S401, acquiring the temperature of the wet bulb in the drying room in the drying stage.
And step S402, under the condition that the wet bulb temperature is in the preset temperature range, triggering a fresh air valve and an exhaust air valve to be opened until the wet bulb temperature is in the target wet bulb temperature range corresponding to the drying stage.
By adopting the method for adjusting the drying humidity of the tobacco leaves, the fresh air valve and the exhaust valve are triggered to operate at different gears through the temperature of the wet bulb in the drying room at each drying stage, so that the temperature of the wet bulb in the drying room can be adjusted, and the temperature of the wet bulb in the drying room reaches the temperature of the wet bulb required by each drying stage.
Referring to fig. 5, an embodiment of the present disclosure provides an apparatus for adjusting a tobacco leaf drying temperature, which is applied to a heat pump dryer, and the apparatus for adjusting the tobacco leaf drying temperature includes: a first determination module 501, a second determination module 502, and an adjustment module 503; the first determining module 501 is configured to determine a drying stage of tobacco leaves in a drying room; the second determination module 502 is configured to determine the reference control parameter according to the drying phase; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; the adjusting module 503 is configured to adjust the drying temperature of the tobacco leaves according to the reference control parameter.
By adopting the device for adjusting the drying temperature of the tobacco leaves, which is provided by the embodiment of the disclosure, the drying stage of the tobacco leaves in the drying room is determined through the first determining module; the second determining module determines a reference control parameter according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and the adjusting module adjusts the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved.
Optionally, the first determining module is configured to determine a drying stage of tobacco leaves in the drying room, and obtain an operating time of the heat pump dryer; and determining the drying stage of the tobacco leaves according to the operation time.
Optionally, a dry-and-wet-bulb temperature sensor is arranged in the drying room, the dry-and-wet-bulb temperature sensor is used for monitoring the wet-bulb temperature and the dry-bulb temperature in the drying room, and the adjusting module is configured to adjust the drying temperature of the tobacco leaves according to the reference control parameters in the following manner to obtain a plurality of dry-bulb temperatures in the drying stage; acquiring the increase rate of the dry-bulb temperature in the drying stage according to the temperature of each dry-bulb; and adjusting the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter.
Optionally, the heat pump dryer includes a compressor and an electronic expansion valve, and adjusts the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter, including: acquiring the drying temperature of the tobacco leaves; under the condition that the increase rate of the dry bulb temperature is equal to the increase rate of the target drying temperature, maintaining the frequency of a compressor of the compressor to the target drying time; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the frequency of a compressor to increase a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period; or, under the condition that the increase rate of the dry bulb temperature is higher than the increase rate of the target drying temperature, the frequency of a press of a compressor is triggered to reduce a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and the target maximum temperature is kept to the target drying time period.
Optionally, the heat pump dryer includes an electronic expansion valve, and adjusts the drying temperature of the tobacco leaves according to the dry-bulb temperature increase rate and the reference control parameter, including: maintaining the valve opening degree of the electronic expansion valve for a target drying time period under the condition that the dry bulb temperature increase rate is equal to the target drying temperature increase rate; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the valve opening of the electronic expansion valve to increase a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period; or, under the condition that the increase rate of the dry bulb temperature is higher than the increase rate of the target drying temperature, triggering the valve opening of the electronic expansion valve to reduce a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period.
Optionally, the heat pump dryer includes an auxiliary electric heating device, the auxiliary electric heating device is used for controlled heating, and the drying temperature of the tobacco leaves is adjusted according to the dry-bulb temperature increase rate and the reference control parameter, and the method includes: under the condition that the dry bulb temperature increase rate is equal to the target drying temperature increase rate, keeping the heating power of the auxiliary electric heating device in the target drying time period; or, under the condition that the increase rate of the dry bulb temperature is lower than the increase rate of the target drying temperature, triggering the heating power of the auxiliary electric heating device to increase a third preset numerical value every a third preset time period until the drying temperature of the tobacco leaves is the target highest temperature, and keeping the target highest temperature in the target drying time period; or, under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, the heating power of the auxiliary electric heating device is triggered to reduce a third preset value every third preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and the target maximum temperature is kept in the target drying time period.
Optionally, be provided with dry-wet bulb temperature sensor in the baking house, dry-wet bulb temperature sensor is used for monitoring wet-bulb temperature and dry-bulb temperature in the baking house, confirms the stoving stage back of tobacco leaf, still includes: acquiring the wet bulb temperature in the drying stage; and adjusting the drying humidity of the tobacco leaves according to the temperature of each wet bulb.
Optionally, the heat pump dryer includes fresh air valve and exhaust valve, and fresh air valve is used for controlled new trend of introducing, and exhaust valve is used for controlled hydrofuge, adjusts the stoving humidity of tobacco leaf according to each wet bulb temperature, includes: and under the condition that the wet bulb temperature is within the preset temperature range, triggering the fresh air valve and the exhaust valve to be opened until the wet bulb temperature is within the target wet bulb temperature range corresponding to the drying stage.
Referring to fig. 6, an apparatus for adjusting a tobacco leaf drying temperature according to an embodiment of the present disclosure includes a processor (processor)600 and a memory (memory)601 storing program instructions. Optionally, the apparatus may also include a Communication Interface 602 and a bus 603. The processor 600, the communication interface 602, and the memory 601 may communicate with each other via a bus 603. The communication interface 602 may be used for information transfer. The processor 600 may invoke program instructions in the memory 601 to perform the method for adjusting the tobacco leaf drying temperature of the above embodiment.
By adopting the device for adjusting the drying temperature of the tobacco leaves provided by the embodiment of the disclosure, the drying stage of the tobacco leaves in the drying room is determined; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved.
In addition, the program instructions in the memory 601 may be implemented in the form of software functional units and stored in a readable storage medium when the program instructions are sold or used as independent products.
The memory 601 is used as a storage medium for storing software programs and executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 600 executes functional applications and data processing by executing program instructions/modules stored in the memory 601, namely, implements the method for adjusting the tobacco leaf drying temperature in the above-mentioned embodiment.
The memory 601 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 601 may include a high speed random access memory, and may also include a non-volatile memory.
The embodiment of the disclosure provides an electronic device, which comprises the device for adjusting the drying temperature of tobacco leaves.
By adopting the electronic equipment provided by the embodiment of the disclosure, the drying stage of the tobacco leaves in the drying room is determined; determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature; and adjusting the drying temperature of the tobacco leaves according to the reference control parameters. Therefore, the drying temperature of the tobacco leaves in different drying stages can be more accurately adjusted according to the reference control parameters by acquiring the reference control parameters in different drying stages, and the drying effect of the tobacco leaves can be improved.
Alternatively, the electronic device includes a heat pump dryer or the like.
The embodiment of the disclosure provides a storage medium, which stores executable instructions configured to execute the method for adjusting the drying temperature of tobacco leaves.
Embodiments of the present disclosure provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for adjusting a tobacco leaf drying temperature.
The readable storage medium may be a transitory readable storage medium or a non-transitory readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the technical solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and simplicity of description, the specific working processes of the above-described systems, apparatuses, and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be only one type of logical functional division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A method for adjusting the drying temperature of tobacco leaves, which is applied to a heat pump dryer, is characterized by comprising the following steps:
determining the drying stage of the tobacco leaves in the drying room;
determining reference control parameters according to the drying stage; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature;
adjusting the drying temperature of the tobacco leaves according to the reference control parameters;
be provided with dry-wet bulb temperature sensor in the baking house, dry-wet bulb temperature sensor is used for monitoring wet-bulb temperature and dry-bulb temperature in the baking house, according to reference control parameter is right the stoving temperature of tobacco leaf is adjusted, includes: obtaining a plurality of dry-bulb temperatures at the drying stage; acquiring the dry-bulb temperature increase rate in the drying stage according to each dry-bulb temperature; adjusting the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter;
the heat pump dryer comprises a compressor and an electronic expansion valve, the drying temperature of the tobacco leaves is adjusted according to the dry bulb temperature increase rate and the reference control parameter, and the heat pump dryer comprises: acquiring the drying temperature of the tobacco leaves; maintaining a press frequency of the compressor to the target drying time period in a case that the dry-bulb temperature increase rate is equal to the target drying temperature increase rate; or, under the condition that the dry bulb temperature increase rate is lower than the target drying temperature increase rate, triggering the compressor frequency of the compressor to increase a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period; or, under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, triggering the press frequency of the compressor to reduce the first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period.
2. The method of claim 1, wherein determining the stage of drying the tobacco leaves in the drying room comprises:
acquiring the running time of the heat pump dryer;
and determining the drying stage of the tobacco leaves according to the operation time.
3. The method of claim 1, wherein the heat pump dryer comprises an electronic expansion valve, and adjusting the drying temperature of the tobacco leaves according to the dry-bulb temperature growth rate and the reference control parameter comprises:
maintaining the valve opening degree of the electronic expansion valve for the target drying time period under the condition that the dry bulb temperature increase rate is equal to the target drying temperature increase rate; or the like, or a combination thereof,
under the condition that the dry bulb temperature increase rate is lower than the target drying temperature increase rate, triggering the valve opening degree of the electronic expansion valve to increase a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature in the target drying time period; or the like, or, alternatively,
and under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, triggering the valve opening of the electronic expansion valve to reduce a second preset value every second preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature within the target drying time period.
4. The method of claim 1, wherein the heat pump dryer includes an auxiliary electric heating device for controlled heating, adjusting the tobacco leaf drying temperature according to the dry bulb temperature growth rate and the reference control parameter, comprising:
maintaining the heating power of the auxiliary electric heating device for the target drying time period under the condition that the dry-bulb temperature increase rate is equal to the target drying temperature increase rate; or the like, or, alternatively,
under the condition that the dry bulb temperature increase rate is lower than the target drying temperature increase rate, triggering the heating power of the auxiliary electric heating device to increase a third preset value every a third preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature within the target drying time period; or the like, or, alternatively,
and under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, triggering the heating power of the auxiliary electric heating device to reduce the third preset value every third preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature in the target drying time period.
5. The method of claim 1, wherein a dry-wet-bulb temperature sensor is disposed in the drying room, the dry-wet-bulb temperature sensor is configured to monitor a wet-bulb temperature and a dry-bulb temperature in the drying room, and after determining the drying stage of the tobacco leaves, the method further comprises:
acquiring the wet bulb temperature in the drying stage;
and adjusting the drying humidity of the tobacco leaves according to the wet bulb temperatures.
6. The method of claim 5, wherein the heat pump dryer comprises a fresh air valve and an exhaust air valve, the fresh air valve is used for controlled fresh air introduction, the exhaust air valve is used for controlled dehumidification, and the drying humidity of the tobacco leaves is adjusted according to each wet bulb temperature, and the method comprises the following steps:
and under the condition that the wet bulb temperature is in a preset temperature range, triggering the fresh air valve and the exhaust air valve to open until the wet bulb temperature is in a target wet bulb temperature range corresponding to the drying stage.
7. The utility model provides a device for adjusting tobacco leaf stoving temperature, is applied to heat pump drying-machine which characterized in that, the device for adjusting tobacco leaf stoving temperature includes:
a first determining module configured to determine a drying stage of tobacco leaves in a drying room;
a second determination module configured to determine a reference control parameter according to the drying phase; the reference control parameters comprise a target drying time, a target drying temperature increase rate and a target maximum temperature;
an adjusting module configured to adjust the drying temperature of the tobacco leaves according to the reference control parameter;
be provided with dry-wet bulb temperature sensor in the baking house, dry-wet bulb temperature sensor is used for monitoring wet-bulb temperature and dry-bulb temperature in the baking house, the adjustment module is configured as according to reference control parameter adjusts the stoving temperature of tobacco leaf through following mode, includes: obtaining a plurality of dry bulb temperatures at the drying stage; acquiring the dry bulb temperature increase rate in the drying stage according to each dry bulb temperature; adjusting the drying temperature of the tobacco leaves according to the dry bulb temperature increase rate and the reference control parameter;
the heat pump dryer comprises a compressor and an electronic expansion valve, the drying temperature of the tobacco leaves is adjusted according to the dry bulb temperature increase rate and the reference control parameter, and the heat pump dryer comprises: acquiring the drying temperature of the tobacco leaves; maintaining a press frequency of the compressor to the target drying time period in a case that the dry-bulb temperature increase rate is equal to the target drying temperature increase rate; or, under the condition that the dry bulb temperature increase rate is lower than the target drying temperature increase rate, triggering the press frequency of the compressor to increase a first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period; or, under the condition that the dry bulb temperature increase rate is higher than the target drying temperature increase rate, triggering the press frequency of the compressor to reduce the first preset value every other first preset time period until the drying temperature of the tobacco leaves is the target maximum temperature, and keeping the target maximum temperature to the target drying time period.
8. An apparatus for adjusting tobacco leaf drying temperature, comprising a processor and a memory storing program instructions, characterized in that, applied to a heat pump dryer, the processor is configured to execute the method for adjusting tobacco leaf drying temperature according to any one of claims 1 to 6 when executing the program instructions.
9. An electronic device, characterized by comprising the apparatus for adjusting the tobacco leaf drying temperature according to claim 8.
10. A storage medium storing program instructions, characterized in that the program instructions, when executed, perform a method for adjusting the tobacco leaf drying temperature according to any one of claims 1 to 6.
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| JP6856331B2 (en) * | 2016-08-03 | 2021-04-07 | 三州産業株式会社 | Leaf tobacco dryer and its construction method |
| CN110779322B (en) * | 2019-10-30 | 2020-09-22 | 珠海格力电器股份有限公司 | Control method of drying system and drying system |
| CN112075656B (en) * | 2020-10-22 | 2021-12-24 | 中国农业科学院烟草研究所 | Intelligent control method for auxiliary dehumidification of closed circulation heat pump tobacco curing barn |
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