CN113142631A - A intelligent temperature control system for tobacco is dried - Google Patents
A intelligent temperature control system for tobacco is dried Download PDFInfo
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- CN113142631A CN113142631A CN202110015866.XA CN202110015866A CN113142631A CN 113142631 A CN113142631 A CN 113142631A CN 202110015866 A CN202110015866 A CN 202110015866A CN 113142631 A CN113142631 A CN 113142631A
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
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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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- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses an intelligent temperature control system for drying tobacco; the improved intelligent temperature control system is provided with a tobacco drying intelligent temperature control box, a tobacco drying intelligent temperature control server, a tobacco drying intelligent temperature control terminal and a tobacco drying intelligent temperature control host; when the intelligent temperature control system is operated, the intelligent temperature control terminal for tobacco drying or the intelligent temperature control host for tobacco drying can send control execution parameter information for drying to the intelligent temperature control server for tobacco drying, the intelligent temperature control server for tobacco drying sends a control instruction to the intelligent temperature control box for tobacco drying, and the intelligent temperature control box for tobacco drying controls and starts a drying unit in the tobacco drying equipment; therefore, remote monitoring is realized, and meanwhile, the tobacco drying intelligent temperature control terminal or the tobacco drying intelligent temperature control host can also check related data and conditions in the drying process in real time through the tobacco drying intelligent temperature control server.
Description
Technical Field
The invention relates to a tobacco drying system, in particular to an intelligent temperature control system for drying tobacco.
Background
Tobacco material quality is the basis and most important limiting factor for cigarette quality. At present, the most prominent key problem in Chinese tobacco raw material production is that the quality of aroma and the proportion of first-class smoke do not meet the requirements of cigarette industry, wherein the baking processing equipment and the process conditions play an important role. Researches and practices in recent years prove that the quality of tobacco leaves and the loss of tobacco growers are 25-30% because the baking equipment is old and laggard and the processing technology cannot be guaranteed. The tobacco leaf baking is a process with large heat consumption, and the common baking room directly supplies heat by using coal, so that the heat utilization rate is low. The coal consumption is high, the coal consumption of 1kg of tobacco leaves which are baked normally is 1.5-2.5 kg of standard coal, and the environmental pollution is serious. In recent years, with the development of modern tobacco agriculture, the improvement of baking houses and the development of coal-carbon alternative energy become more and more important problems in tobacco leaf production. Heat pumps have become popular as an environmentally friendly heating device in developed countries. Some scientific and technical personnel and enterprises in China make some attempts to apply the heat pump and the matching technology thereof to tobacco leaf baking, and the results show that the heat pump baking room can effectively utilize heat energy in the air to replace coal for baking the tobacco leaves, the quality of the baked tobacco leaves is obviously improved, and the baking cost is obviously reduced.
At present, the baking has the following effects on fresh tobacco leaves, namely, the appearance quality of the tobacco leaves is formed; secondly, forming the chemical mass of the tobacco leaves; thirdly, forming the physical quality of the tobacco leaves; fourthly, the quality of the formed tobacco leaf is evaluated. Therefore, the baking is a key link for forming the quality of the tobacco leaves. The important thing in the tobacco leaf drying process is the yellowing period and the color fixing period. And (3) yellowing stage: the initial temperature is 32 ℃, the temperature is raised to 35 to 36 (the dry-wet temperature difference is kept to be 1 to 2) by 1 hour, and the temperature is stabilized until the tobacco leaves are softened and collapsed (generally, the lower leaves need 10 to 15 hours, the middle leaves need 15 to 20 hours, and the upper leaves need 20 to 25 hours); and then raising the temperature to 38-39, keeping the wet bulb temperature at 36-37, stabilizing the temperature until the leaves of the tobacco leaves are totally yellow to reach the yellow sheet and the green rib, raising the temperature to 42, keeping the wet bulb temperature within 37, stabilizing the temperature for 10-15 hours, carrying out early moisture removal, and then raising the temperature to shift to a color fixing period. (the yellowing time is generally 60-72 hours for the lower lobe, 48-60 hours for the middle lobe and 36-48 hours for the upper lobe). Fixing the color period: after the tobacco leaves reach the yellow pieces and the green ribs and the leaves are softened, raising the temperature of the curing barn to 45-48 at the speed of raising the temperature by 1 every 2-3 hours, controlling the temperature of a wet bulb to be 37-39 by moisture removal, and curing until the tobacco leaves change to the yellow pieces, the yellow ribs and the small drums (the scattered leaf stacking type curing barn is stable in temperature until the tobacco ribs of the tobacco leaves are all yellow); heating to 50-52 ℃, keeping the wet bulb temperature at 38-40, baking until the tobacco leaves hook the tip and curl the large reel, heating to 54-55 (wet bulb 38-40) and stabilizing the temperature for more than 12 hours, and then heating to reduce the positive and negative color difference of the tobacco leaves and promote the tobacco leaves to be fragrant; the humidity temperature of the scattered leaf stacking type curing barn is controlled based on the lowest humidity required by the stage, and the temperature of the wet bulb in the whole process cannot exceed the requirement (the humidity is not accurate to be high).
The invention of application number CN202010536489.X discloses an energy-saving tobacco drying system, which comprises an evaporator, a compressor, a condenser, a main expansion valve, an electric heater, a solar heat collector, a heat regenerator, an auxiliary evaporator and an auxiliary expansion valve; the main refrigerant heat absorption path of the evaporator, the main refrigerant heat release path of the compressor and the condenser and the main expansion valve are sequentially connected in series through pipelines to form an air source heat pump loop, a part of wet return air of the curing barn is cooled step by step through the heat regenerator and the auxiliary evaporator, carried water vapor is condensed into water to be discharged to obtain dry return air, and the dry return air returns to the heat regenerator to absorb heat and raise temperature. The condenser receives the dehumidified dry return air, heats the dry return air to further raise the temperature of the dry return air, and the dry return air is accurately heated to a set temperature by the electric heater and is used as the air to be sent to the curing barn. The other part of return air of the curing barn is sent to a solar heat collector through a pipeline for heating, and the return air is used as the inlet air to return to the curing barn again after the temperature is raised.
The invention of application number CN201810732715.4 discloses an intelligent tobacco drying remote control system, which comprises an Internet of things gateway, a cloud server, a mobile terminal and at least one flue-cured tobacco controller, wherein an APP used for tobacco drying control is installed in the mobile terminal, the cloud server is connected with the Internet of things gateway in a wireless mode and is used for receiving and storing flue-cured tobacco house data transmitted by the Internet of things gateway, the flue-cured tobacco house data is transmitted to the APP used for tobacco drying control through a network to be checked and used for updating the latest equipment state of the APP used for tobacco drying control, the Internet of things gateway is connected with the flue-cured tobacco controller in a wired or wireless mode and is used for data transmission, the APP used for tobacco drying control transmits a control instruction to the cloud server through the network, and the cloud server transmits the control instruction to the flue-cured tobacco controller through the Internet of things gateway.
Application number CN 201821075829.8's utility model discloses an intelligence tobacco stoving remote control system, including thing networking gateway, wireless communication module, cloud ware, mobile terminal and an at least flue-cured tobacco controller, the cloud ware passes through wireless communication module with thing networking gateway connects, is used for receiving and storing the flue-cured tobacco room data of thing networking gateway conveying, mobile terminal pass through the network with cloud ware connects, is used for receiving the flue-cured tobacco room data that cloud ware was issued and show, thing networking gateway through wired or wireless mode with the flue-cured tobacco controller is connected.
However, although the existing tobacco drying system gradually realizes intellectualization and can also gradually realize remote control, the existing tobacco drying system is a long process for drying tobacco, and the existing tobacco drying system lacks the capability of regulating and controlling the internal environment of the drying equipment in the tobacco drying process.
Disclosure of Invention
Therefore, in order to solve the above-mentioned deficiencies, the present invention provides an intelligent temperature control system for tobacco drying; the improved intelligent temperature control system is provided with a tobacco drying intelligent temperature control box, a tobacco drying intelligent temperature control server, a tobacco drying intelligent temperature control terminal and a tobacco drying intelligent temperature control host; when the intelligent temperature control system is operated, the intelligent temperature control terminal for tobacco drying or the intelligent temperature control host for tobacco drying can send control execution parameter information for drying to the intelligent temperature control server for tobacco drying, the intelligent temperature control server for tobacco drying sends a control instruction to the intelligent temperature control box for tobacco drying, and the intelligent temperature control box for tobacco drying controls and starts a drying unit in the tobacco drying equipment; therefore, remote monitoring is realized, and meanwhile, the tobacco drying intelligent temperature control terminal or the tobacco drying intelligent temperature control host can also check related data and conditions in the drying process in real time through the tobacco drying intelligent temperature control server.
The invention is realized by constructing an intelligent temperature control system for drying tobacco; the system comprises a tobacco drying intelligent temperature control box and a tobacco drying intelligent temperature control server, wherein the tobacco drying intelligent temperature control box and the tobacco drying intelligent temperature control server realize networking communication, and the tobacco drying intelligent temperature control box is used for detecting the internal drying environment of the tobacco drying equipment; the detected information is transmitted to the intelligent temperature control server for tobacco drying; meanwhile, the tobacco drying intelligent temperature control server can send a control instruction to the tobacco drying intelligent temperature control box, and the tobacco drying intelligent temperature control box performs tobacco drying control on the tobacco drying equipment;
in addition, the system also comprises a tobacco drying intelligent temperature control terminal and a tobacco drying intelligent temperature control host, wherein the tobacco drying intelligent temperature control terminal and the tobacco drying intelligent temperature control host are respectively in data communication with the tobacco drying intelligent temperature control server, and both can realize temperature control operation on the tobacco drying intelligent temperature control box through the tobacco drying intelligent temperature control server.
As an improvement of the above technical solution, the intelligent temperature control system for tobacco drying is provided; the intelligent tobacco drying temperature control box is provided with a control unit, a signal processing unit, a touch display screen, a display screen locking module, a data storage module, an equipment communication module, a power supply module, an output control module and a constant temperature control module;
the touch display screen is connected with the control unit through the display screen locking module, the signal input end of the control unit is connected with the signal processing unit, the control output end of the control unit is connected with the output control module, and the output control module is connected with the constant temperature control module; the control unit is also connected with the data storage module, the equipment communication module and the power supply module;
a tobacco drying heating component, a drying equipment humidifying module, a drying equipment circulating fan, a drying equipment smoke outlet detection sensor, an oxygen concentration sensor in the drying equipment, a temperature sensor in the drying equipment and a humidity sensor in the drying equipment are arranged in the tobacco drying equipment; the constant temperature control module is also connected with the tobacco drying heating component;
the output ends of the smoke outlet detection sensor of the drying equipment, the oxygen concentration sensor in the drying equipment, the temperature sensor in the drying equipment and the humidity sensor in the drying equipment are simultaneously connected with the signal processing unit and are respectively used for transmitting corresponding detection information to the signal processing unit; the output control module is also connected with the tobacco drying heating component, the drying equipment humidifying module and the drying equipment circulating fan at the same time, and effectively controls the tobacco drying heating component, the drying equipment humidifying module and the drying equipment circulating fan.
As an improvement of the above technical solution, the intelligent temperature control system for tobacco drying is provided; the signal processing unit internally comprises a comparison module, a signal amplification module and a filtering module; the input end of the comparison module is connected with the smoke outlet detection sensor of the drying equipment, the oxygen concentration sensor in the drying equipment, the temperature sensor in the drying equipment and the humidity sensor in the drying equipment, the output end of the comparison module is connected with the signal amplification module, the output end of the signal amplification module is connected with the filtering module, and the output end of the filtering module is connected with the control unit.
As an improvement of the above technical solution, the intelligent temperature control system for tobacco drying is characterized in that; the constant temperature control module is provided with a thermistor Rt and a base integrated circuit, when the temperature is low, the resistance value of the thermistor Rt with a negative temperature coefficient is large, the potential of a pin 2 of a 555 time base Integrated Circuit (IC) is lower than 1/3 (about 4V) of Ec voltage, a pin 3 of the IC outputs high level, a bidirectional thyristor V is triggered to be conducted, a drying heating assembly is switched on to heat, and therefore timing circulation is started; when the temperature of the thermistor Rt arranged at the temperature measuring point is higher than a set value and the timing cycle is not finished, the drying heating component is cut off after the timing cycle is finished; when the temperature of the thermistor Rt is reduced to be below a set value, the bidirectional thyristor V is triggered to be conducted again, and the drying heating assembly is switched on for heating; thus, the purpose of automatic temperature control can be achieved. Because the voltages of all points in the circuit are from the same direct current power supply, a voltage-stabilized power supply with good performance is not needed, and the circuit can reliably work by using a capacitance voltage-reducing method; the circuit element has low price and small volume, and is convenient to be made under amateur conditions. The automatic temperature controller manufactured by the circuit can be used for industrial production and household electric heating control, and has a good effect.
As an improvement of the above technical solution, the intelligent temperature control system for tobacco drying is provided; the temperature control operation is as follows;
a, placing tobacco to be dried in tobacco drying equipment, sending drying control execution parameter information to a tobacco drying intelligent temperature control server through a tobacco drying intelligent temperature control terminal or a tobacco drying intelligent temperature control host, sending a control instruction to a tobacco drying intelligent temperature control box by the tobacco drying intelligent temperature control server, controlling and starting a tobacco drying heating assembly in the tobacco drying equipment to heat up and heat at the moment, firstly, yellowing and drying the tobacco to be dried, and respectively and simultaneously detecting a smoke outlet detection sensor of the drying equipment, an oxygen concentration sensor in the drying equipment, a temperature sensor in the drying equipment and a humidity sensor in the drying equipment in the process;
b, detecting the smoke outlet of the drying equipment by a smoke outlet detection sensor of the drying equipment, and judging whether the discharged smoke meets the emission standard;
detecting the oxygen concentration in the drying equipment by an oxygen concentration sensor in the drying equipment;
detecting the temperature in the drying equipment by a temperature sensor in the drying equipment;
detecting the humidity in the drying equipment by a humidity sensor in the drying equipment;
the sensors transmit the detected corresponding information to the signal processing unit, and at the moment, the detected corresponding information is transmitted to the comparison module, and the comparison module compares the detected information, specifically,
if the detected smoke concentration is lower than the set value, the current emission standard is met; if the detected smoke concentration is higher than the standard value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts corresponding smoke treatment equipment to purify the smoke;
if the comparison result shows that the detected oxygen concentration in the equipment is lower than a certain value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts a corresponding drying equipment circulating fan to input air; if the comparison shows that the detected oxygen concentration in the equipment is higher than a certain value, the internal part of the equipment meets the standard currently;
if the detected temperature is lower than the set value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls the tobacco drying and heating assembly to continuously heat the interior of the tobacco drying and heating assembly; if the detected temperature is higher than the set value, the control unit controls and starts the corresponding drying equipment circulating fan to input air for temperature adjustment;
if the comparison result shows that the detected humidity is lower than the set value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts the corresponding drying equipment humidification module to perform humidification processing; drying the tobacco in the optimal environment;
c, when the tobacco is shifted to a fixed color baking period after reaching the yellowing period, the sensor carries out corresponding detection work, and the constant temperature control module carries out constant temperature control on the tobacco drying heating component in the period so as to ensure that the interior of the drying equipment is at a high temperature and a constant temperature;
and D, the tobacco drying intelligent temperature control terminal or the tobacco drying intelligent temperature control host can check the related data in the drying process through the tobacco drying intelligent temperature control server.
The invention has the following advantages: the invention provides an intelligent temperature control system for drying tobacco by improving, which has the following improvements and advantages;
the intelligent temperature control system for tobacco drying comprises a tobacco drying intelligent temperature control box and a tobacco drying intelligent temperature control server, wherein the tobacco drying intelligent temperature control box and the tobacco drying intelligent temperature control server are in networking communication, and the tobacco drying intelligent temperature control box is used for detecting the internal drying environment of tobacco drying equipment; the detected information is transmitted to the intelligent temperature control server for tobacco drying; meanwhile, the tobacco drying intelligent temperature control server can send a control instruction to the tobacco drying intelligent temperature control box, and the tobacco drying intelligent temperature control box controls tobacco drying of the tobacco drying equipment. In addition, the system also comprises a tobacco drying intelligent temperature control terminal and a tobacco drying intelligent temperature control host, wherein the tobacco drying intelligent temperature control terminal and the tobacco drying intelligent temperature control host are respectively in data communication with the tobacco drying intelligent temperature control server, and both can realize temperature control operation on the tobacco drying intelligent temperature control box through the tobacco drying intelligent temperature control server. The improved intelligent temperature control system is provided with a tobacco drying intelligent temperature control box, a tobacco drying intelligent temperature control server, a tobacco drying intelligent temperature control terminal and a tobacco drying intelligent temperature control host; when the intelligent temperature control system is operated, the intelligent temperature control terminal for tobacco drying or the intelligent temperature control host for tobacco drying can send control execution parameter information for drying to the intelligent temperature control server for tobacco drying, the intelligent temperature control server for tobacco drying sends a control instruction to the intelligent temperature control box for tobacco drying, and the intelligent temperature control box for tobacco drying controls and starts a drying unit in the tobacco drying equipment; therefore, remote monitoring is realized, and meanwhile, the tobacco drying intelligent temperature control terminal or the tobacco drying intelligent temperature control host can also check related data and conditions in the drying process in real time through the tobacco drying intelligent temperature control server.
2, when the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 3, the intelligent temperature control box for tobacco drying is provided with a control unit, a signal processing unit, a touch display screen, a display screen locking module, a data storage module, an equipment communication module, a power supply module, an output control module and a constant temperature control module. The touch display screen is connected with the control unit through the display screen locking module, the signal input end of the control unit is connected with the signal processing unit, the control output end of the control unit is connected with the output control module, and the output control module is connected with the constant temperature control module; the control unit is also connected with the data storage module, the equipment communication module and the power supply module.
A tobacco drying heating component, a drying equipment humidifying module, a drying equipment circulating fan, a drying equipment smoke outlet detection sensor, an oxygen concentration sensor in the drying equipment, a temperature sensor in the drying equipment and a humidity sensor in the drying equipment are arranged in the tobacco drying equipment; the constant temperature control module is also connected with the tobacco drying heating component; the output ends of the smoke outlet detection sensor of the drying equipment, the oxygen concentration sensor in the drying equipment, the temperature sensor in the drying equipment and the humidity sensor in the drying equipment are simultaneously connected with the signal processing unit and are respectively used for transmitting corresponding detection information to the signal processing unit; the output control module is also connected with the tobacco drying heating component, the drying equipment humidifying module and the drying equipment circulating fan at the same time, and effectively controls the tobacco drying heating component, the drying equipment humidifying module and the drying equipment circulating fan. The invention monitors the factors such as temperature, humidity, oxygen concentration and the like in the tobacco drying equipment in real time, and can regulate and control the internal environment in real time, so that the tobacco always belongs to the most suitable environment.
3, when the intelligent temperature control system for drying the tobacco is implemented; the signal processing unit internally comprises a comparison module, a signal amplification module and a filtering module; the input end of the comparison module is connected with the smoke outlet detection sensor of the drying equipment, the oxygen concentration sensor in the drying equipment, the temperature sensor in the drying equipment and the humidity sensor in the drying equipment, the output end of the comparison module is connected with the signal amplification module, the output end of the signal amplification module is connected with the filtering module, and the output end of the filtering module is connected with the control unit. As shown in fig. 4, the signal processing unit includes a comparison module therein, and the comparison module can pre-determine the detection information of the current corresponding sensor according to a preset value, and does not perform processing if the detection information is determined not to exceed the range through comparison; this reduces the processing tasks of the control unit.
4, when the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 5, the constant temperature control module has a thermistor Rt and a base integrated circuit, when the temperature is low, the resistance of the thermistor Rt with negative temperature coefficient is large, the potential of pin 2 of 555 time base Integrated Circuit (IC) is lower than 1/3 (about 4V) of Ec voltage, pin 3 of IC outputs high level, triggers the bidirectional thyristor V to conduct, switches on the drying heating component to heat, and starts timing cycle; when the temperature of the thermistor Rt arranged at the temperature measuring point is higher than a set value and the timing cycle is not finished, the drying heating component is cut off after the timing cycle is finished; when the temperature of the thermistor Rt is reduced to be below a set value, the bidirectional thyristor V is triggered to be conducted again, and the drying heating assembly is switched on for heating; thus, the purpose of automatic temperature control can be achieved. Because the voltages of all points in the circuit are from the same direct current power supply, a voltage-stabilized power supply with good performance is not needed, and the circuit can reliably work by using a capacitance voltage-reducing method; the circuit element has low price and small volume, and is convenient to be made under amateur conditions. The automatic temperature controller manufactured by the circuit can be used for industrial production and household electric heating control, and has a good effect.
The intelligent temperature control system for drying the tobacco, disclosed by the invention, has the following temperature control operation;
a, placing tobacco to be dried in tobacco drying equipment, sending drying control execution parameter information to a tobacco drying intelligent temperature control server through a tobacco drying intelligent temperature control terminal or a tobacco drying intelligent temperature control host, sending a control instruction to a tobacco drying intelligent temperature control box by the tobacco drying intelligent temperature control server, controlling and starting a tobacco drying heating assembly in the tobacco drying equipment to heat up and heat at the moment, firstly, yellowing and drying the tobacco to be dried, and respectively and simultaneously detecting a smoke outlet detection sensor of the drying equipment, an oxygen concentration sensor in the drying equipment, a temperature sensor in the drying equipment and a humidity sensor in the drying equipment in the process;
b, detecting the smoke outlet of the drying equipment by a smoke outlet detection sensor of the drying equipment, and judging whether the discharged smoke meets the emission standard; detecting the oxygen concentration in the drying equipment by an oxygen concentration sensor in the drying equipment;
detecting the temperature in the drying equipment by a temperature sensor in the drying equipment;
detecting the humidity in the drying equipment by a humidity sensor in the drying equipment;
the sensors transmit the detected corresponding information to the signal processing unit, and at the moment, the detected corresponding information is transmitted to the comparison module, and the comparison module compares the detected information, specifically,
if the detected smoke concentration is lower than the set value, the current emission standard is met; if the detected smoke concentration is higher than the standard value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts corresponding smoke treatment equipment to purify the smoke;
if the comparison result shows that the detected oxygen concentration in the equipment is lower than a certain value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts a corresponding drying equipment circulating fan to input air; if the comparison shows that the detected oxygen concentration in the equipment is higher than a certain value, the internal part of the equipment meets the standard currently;
if the detected temperature is lower than the set value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls the tobacco drying and heating assembly to continuously heat the interior of the tobacco drying and heating assembly; if the detected temperature is higher than the set value, the control unit controls and starts the corresponding drying equipment circulating fan to input air for temperature adjustment;
if the comparison result shows that the detected humidity is lower than the set value, the comparison module transmits the signal to the signal amplification module and the filtering module, the signal is amplified and filtered and then transmitted to the control unit, and the control unit controls and starts the corresponding drying equipment humidification module to perform humidification processing; drying the tobacco in the optimal environment;
c, when the tobacco is shifted to a fixed color baking period after reaching the yellowing period, the sensor carries out corresponding detection work, and the constant temperature control module carries out constant temperature control on the tobacco drying heating component in the period so as to ensure that the interior of the drying equipment is at a high temperature and a constant temperature;
and D, the tobacco drying intelligent temperature control terminal or the tobacco drying intelligent temperature control host can check the related data in the drying process through the tobacco drying intelligent temperature control server.
Drawings
FIG. 1 is a block diagram of an intelligent temperature control system for tobacco drying according to the present invention;
FIG. 2 is a block diagram of an embodiment of an intelligent temperature control system for tobacco drying according to the present invention;
FIG. 3 is a block diagram of a structural module of the intelligent temperature control box for tobacco drying according to the present invention;
FIG. 4 is a schematic diagram of a signal processing unit according to the present invention;
fig. 5 is a structural diagram of an implementation of the thermostatic control module according to the present invention.
Wherein: the intelligent temperature control box 10 for tobacco drying, a control unit 11, a signal processing unit 12, a comparison module 12a, a signal amplification module 12b, a filtering module 12c, a touch display screen 13, a display screen locking module 14, a data storage module 15, an equipment communication module 16, a power module 17, an output control module 18, a constant temperature control module 19, an intelligent temperature control server 20 for tobacco drying, an intelligent temperature control terminal 30 for tobacco drying, an intelligent temperature control host 40 for tobacco drying, tobacco drying equipment 50, a heating component 51 for tobacco drying, a humidifying module 52 for drying equipment, a circulating fan 53 for drying equipment, a smoke outlet detection sensor 54 for drying equipment, an oxygen concentration sensor 55 in drying equipment, a temperature sensor 56 in drying equipment and a humidity sensor 57 in drying equipment.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an intelligent temperature control system for tobacco drying by improvement, which is shown in figures 1-5 and can be implemented as follows; the system comprises a tobacco drying intelligent temperature control box 10 and a tobacco drying intelligent temperature control server 20, wherein the tobacco drying intelligent temperature control box 10 is in networking communication with the tobacco drying intelligent temperature control server 20, and the tobacco drying intelligent temperature control box 10 is used for detecting the internal drying environment of tobacco drying equipment 50; and transmits the detected information to the intelligent temperature control server 20 for tobacco drying; meanwhile, the intelligent temperature control server 20 for tobacco drying can send a control instruction to the intelligent temperature control box 10 for tobacco drying, and the intelligent temperature control box 10 for tobacco drying controls the tobacco drying equipment 50.
In addition, the system further comprises a tobacco drying intelligent temperature control terminal 30 and a tobacco drying intelligent temperature control host 40, wherein the tobacco drying intelligent temperature control terminal 30 and the tobacco drying intelligent temperature control host 40 respectively establish data communication with the tobacco drying intelligent temperature control server 20, and both can realize temperature control operation on the tobacco drying intelligent temperature control box 10 through the tobacco drying intelligent temperature control server 20.
The improved tobacco drying intelligent temperature control system is provided with a tobacco drying intelligent temperature control box 10, a tobacco drying intelligent temperature control server 20, a tobacco drying intelligent temperature control terminal 30 and a tobacco drying intelligent temperature control host 40; during operation, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can send drying control execution parameter information to the tobacco drying intelligent temperature control server 20, the tobacco drying intelligent temperature control server 20 sends a control instruction to the tobacco drying intelligent temperature control box 10, and the tobacco drying intelligent temperature control box 10 controls and starts a drying unit in the tobacco drying equipment 50; therefore, remote monitoring is realized, and meanwhile, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can also check related data and conditions in the drying process in real time through the tobacco drying intelligent temperature control server 20.
When the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 3, the intelligent temperature control box 10 for tobacco drying has a control unit 11, a signal processing unit 12, a touch display 13, a display locking module 14, a data storage module 15, an equipment communication module 16, a power supply module 17, an output control module 18 and a constant temperature control module 19. The touch display screen 13 is connected with the control unit 11 through the display screen locking module 14, the signal input end of the control unit 11 is connected with the signal processing unit 12, the control output end of the control unit 11 is connected with the output control module 18, and the output control module 18 is connected with the constant temperature control module 19; the control unit 11 is also connected to a data storage module 15, a device communication module 16 and a power supply module 17.
A tobacco drying heating component 51, a drying equipment humidifying module 52, a drying equipment circulating fan 53, a drying equipment smoke outlet detection sensor 54, an oxygen concentration sensor 55 in the drying equipment, a temperature sensor 56 in the drying equipment and a humidity sensor 57 in the drying equipment are arranged in the tobacco drying equipment 50; the constant temperature control module 19 is also connected with a tobacco drying heating component 51; wherein, the output ends of the smoke outlet detection sensor 54 of the drying equipment, the oxygen concentration sensor 55 in the drying equipment, the temperature sensor 56 in the drying equipment and the humidity sensor 57 in the drying equipment are simultaneously connected with the signal processing unit 12, and are respectively used for transmitting the corresponding detection information to the signal processing unit 12; the output control module 18 is also connected to the tobacco drying heating assembly 51, the drying device humidifying module 52 and the drying device circulating fan 53, and is used for effectively controlling the tobacco drying heating assembly 51, the drying device humidifying module 52 and the drying device circulating fan 53. The invention monitors the factors such as temperature, humidity and oxygen concentration in the tobacco drying equipment 50 in real time, and can regulate and control the internal environment in real time, so that the tobacco always belongs to the most suitable environment.
When the intelligent temperature control system for drying the tobacco is implemented; the signal processing unit 12 comprises a comparison module 12a, a signal amplification module 12b and a filtering module 12 c; the input end of the comparison module 12a is connected with the smoke outlet detection sensor 54 of the drying device, the oxygen concentration sensor 55 in the drying device, the temperature sensor 56 in the drying device and the humidity sensor 57 in the drying device, the output end of the comparison module 12a is connected with the signal amplification module 12b, the output end of the signal amplification module 12b is connected with the filtering module 12c, and the output end of the filtering module 12c is connected with the control unit 11. As shown in fig. 4, the signal processing unit 12 includes a comparing module 12a, where the comparing module 12a can pre-determine the detection information of the current corresponding sensor according to a preset value, and if the detection information is determined not to exceed the range through comparison, the detecting information is not processed; this reduces the processing tasks of the control unit 11.
When the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 5, the constant temperature control module 19 has a thermistor Rt and a base integrated circuit, when the temperature is low, the resistance of the thermistor Rt with negative temperature coefficient is large, the potential of pin 2 of 555 time base Integrated Circuit (IC) is lower than 1/3 (about 4V) of Ec voltage, pin 3 of IC outputs high level, triggers the bidirectional thyristor V to conduct, switches on the drying heating component to heat, and starts the timing cycle; when the temperature of the thermistor Rt arranged at the temperature measuring point is higher than a set value and the timing cycle is not finished, the drying heating component is cut off after the timing cycle is finished; when the temperature of the thermistor Rt is reduced to be below a set value, the bidirectional thyristor V is triggered to be conducted again, and the drying heating assembly is switched on for heating; thus, the purpose of automatic temperature control can be achieved. Because the voltages of all points in the circuit are from the same direct current power supply, a voltage-stabilized power supply with good performance is not needed, and the circuit can reliably work by using a capacitance voltage-reducing method; the circuit element has low price and small volume, and is convenient to be made under amateur conditions. The automatic temperature controller manufactured by the circuit can be used for industrial production and household electric heating control, and has a good effect.
The intelligent temperature control system for drying the tobacco, disclosed by the invention, has the following temperature control operation;
a, placing tobacco to be dried in tobacco drying equipment 50, sending drying control execution parameter information to a tobacco drying intelligent temperature control server 20 through a tobacco drying intelligent temperature control terminal 30 or a tobacco drying intelligent temperature control host 40, and sending a control instruction to a tobacco drying intelligent temperature control box 10 through the tobacco drying intelligent temperature control server 20, wherein at the moment, the tobacco drying intelligent temperature control box 10 controls and starts a tobacco drying heating component 51 in the tobacco drying equipment 50 to heat up and heat, the tobacco to be dried is firstly subjected to yellowing drying, and in the process, a tobacco outlet detection sensor 54 of the drying equipment, an oxygen concentration sensor 55 in the drying equipment, a temperature sensor 56 in the drying equipment and a humidity sensor 57 in the drying equipment respectively and simultaneously perform detection work;
b, a smoke outlet detection sensor 54 of the drying equipment detects a smoke outlet of the drying equipment and is used for judging whether the discharged smoke meets the emission standard or not; detecting the oxygen concentration in the drying apparatus by an oxygen concentration sensor 55 in the drying apparatus;
the temperature in the drying apparatus is detected by the temperature sensor 56 in the drying apparatus;
detecting the humidity in the drying apparatus by a humidity sensor 57 in the drying apparatus;
the sensors respectively transmit the detected corresponding information to the signal processing unit 12, and at this time, the detected corresponding information is firstly transmitted to the comparing module 12a, and the comparing module 12a compares the detected information, specifically,
if the detected smoke concentration is lower than the set value, the current emission standard is met; if the detected flue gas concentration is higher than the standard value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts corresponding flue gas processing equipment to purify the flue gas;
if the comparison result shows that the detected oxygen concentration in the equipment is lower than a certain value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts the corresponding drying equipment circulating fan 53 to input air; if the comparison shows that the detected oxygen concentration in the equipment is higher than a certain value, the internal part of the equipment meets the standard currently;
if the detected temperature is lower than the set value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls the tobacco drying and heating component 51 to continuously heat the interior of the tobacco drying and heating component; if the detected temperature is higher than the set value, the control unit 11 controls to start the corresponding drying equipment circulating fan 53 to input air for temperature adjustment;
if the comparison result shows that the detected humidity is lower than the set value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts the corresponding drying equipment humidification module 52 to perform humidification processing; drying the tobacco in the optimal environment;
c, when the tobacco is shifted to a fixed color baking period after reaching the yellowing period, the sensor carries out corresponding detection work, and the constant temperature control module 19 carries out constant temperature control on the tobacco drying heating assembly 51 in the period so as to ensure that the interior of the drying equipment is at a high temperature and a constant temperature;
and D, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can check the relevant data in the drying process through the tobacco drying intelligent temperature control server 20.
The invention has the following improvements and advantages;
the invention provides an intelligent temperature control system for tobacco drying through improvement, which comprises a tobacco drying intelligent temperature control box 10 and a tobacco drying intelligent temperature control server 20, wherein the tobacco drying intelligent temperature control box 10 is in networking communication with the tobacco drying intelligent temperature control server 20, and the tobacco drying intelligent temperature control box 10 is used for detecting the internal drying environment of tobacco drying equipment 50; and transmits the detected information to the intelligent temperature control server 20 for tobacco drying; meanwhile, the intelligent temperature control server 20 for tobacco drying can send a control instruction to the intelligent temperature control box 10 for tobacco drying, and the intelligent temperature control box 10 for tobacco drying controls the tobacco drying equipment 50. In addition, the system further comprises a tobacco drying intelligent temperature control terminal 30 and a tobacco drying intelligent temperature control host 40, wherein the tobacco drying intelligent temperature control terminal 30 and the tobacco drying intelligent temperature control host 40 respectively establish data communication with the tobacco drying intelligent temperature control server 20, and both can realize temperature control operation on the tobacco drying intelligent temperature control box 10 through the tobacco drying intelligent temperature control server 20. The improved tobacco drying intelligent temperature control system is provided with a tobacco drying intelligent temperature control box 10, a tobacco drying intelligent temperature control server 20, a tobacco drying intelligent temperature control terminal 30 and a tobacco drying intelligent temperature control host 40; during operation, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can send drying control execution parameter information to the tobacco drying intelligent temperature control server 20, the tobacco drying intelligent temperature control server 20 sends a control instruction to the tobacco drying intelligent temperature control box 10, and the tobacco drying intelligent temperature control box 10 controls and starts a drying unit in the tobacco drying equipment 50; therefore, remote monitoring is realized, and meanwhile, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can also check related data and conditions in the drying process in real time through the tobacco drying intelligent temperature control server 20.
2, when the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 3, the intelligent temperature control box 10 for tobacco drying has a control unit 11, a signal processing unit 12, a touch display 13, a display locking module 14, a data storage module 15, an equipment communication module 16, a power supply module 17, an output control module 18 and a constant temperature control module 19. The touch display screen 13 is connected with the control unit 11 through the display screen locking module 14, the signal input end of the control unit 11 is connected with the signal processing unit 12, the control output end of the control unit 11 is connected with the output control module 18, and the output control module 18 is connected with the constant temperature control module 19; the control unit 11 is also connected to a data storage module 15, a device communication module 16 and a power supply module 17.
A tobacco drying heating component 51, a drying equipment humidifying module 52, a drying equipment circulating fan 53, a drying equipment smoke outlet detection sensor 54, an oxygen concentration sensor 55 in the drying equipment, a temperature sensor 56 in the drying equipment and a humidity sensor 57 in the drying equipment are arranged in the tobacco drying equipment 50; the constant temperature control module 19 is also connected with a tobacco drying heating component 51; wherein, the output ends of the smoke outlet detection sensor 54 of the drying equipment, the oxygen concentration sensor 55 in the drying equipment, the temperature sensor 56 in the drying equipment and the humidity sensor 57 in the drying equipment are simultaneously connected with the signal processing unit 12, and are respectively used for transmitting the corresponding detection information to the signal processing unit 12; the output control module 18 is also connected to the tobacco drying heating assembly 51, the drying device humidifying module 52 and the drying device circulating fan 53, and is used for effectively controlling the tobacco drying heating assembly 51, the drying device humidifying module 52 and the drying device circulating fan 53. The invention monitors the factors such as temperature, humidity and oxygen concentration in the tobacco drying equipment 50 in real time, and can regulate and control the internal environment in real time, so that the tobacco always belongs to the most suitable environment.
3, when the intelligent temperature control system for drying the tobacco is implemented; the signal processing unit 12 comprises a comparison module 12a, a signal amplification module 12b and a filtering module 12 c; the input end of the comparison module 12a is connected with the smoke outlet detection sensor 54 of the drying device, the oxygen concentration sensor 55 in the drying device, the temperature sensor 56 in the drying device and the humidity sensor 57 in the drying device, the output end of the comparison module 12a is connected with the signal amplification module 12b, the output end of the signal amplification module 12b is connected with the filtering module 12c, and the output end of the filtering module 12c is connected with the control unit 11. As shown in fig. 4, the signal processing unit 12 includes a comparing module 12a, where the comparing module 12a can pre-determine the detection information of the current corresponding sensor according to a preset value, and if the detection information is determined not to exceed the range through comparison, the detecting information is not processed; this reduces the processing tasks of the control unit 11.
4, when the intelligent temperature control system for drying the tobacco is implemented; as shown in fig. 5, the constant temperature control module 19 has a thermistor Rt and a base integrated circuit, when the temperature is low, the resistance of the thermistor Rt with negative temperature coefficient is large, the potential of pin 2 of 555 time base Integrated Circuit (IC) is lower than 1/3 (about 4V) of Ec voltage, pin 3 of IC outputs high level, triggers the bidirectional thyristor V to conduct, switches on the drying heating component to heat, and starts the timing cycle; when the temperature of the thermistor Rt arranged at the temperature measuring point is higher than a set value and the timing cycle is not finished, the drying heating component is cut off after the timing cycle is finished; when the temperature of the thermistor Rt is reduced to be below a set value, the bidirectional thyristor V is triggered to be conducted again, and the drying heating assembly is switched on for heating; thus, the purpose of automatic temperature control can be achieved. Because the voltages of all points in the circuit are from the same direct current power supply, a voltage-stabilized power supply with good performance is not needed, and the circuit can reliably work by using a capacitance voltage-reducing method; the circuit element has low price and small volume, and is convenient to be made under amateur conditions. The automatic temperature controller manufactured by the circuit can be used for industrial production and household electric heating control, and has a good effect.
The intelligent temperature control system for drying the tobacco, disclosed by the invention, has the following temperature control operation;
a, placing tobacco to be dried in tobacco drying equipment 50, sending drying control execution parameter information to a tobacco drying intelligent temperature control server 20 through a tobacco drying intelligent temperature control terminal 30 or a tobacco drying intelligent temperature control host 40, and sending a control instruction to a tobacco drying intelligent temperature control box 10 through the tobacco drying intelligent temperature control server 20, wherein at the moment, the tobacco drying intelligent temperature control box 10 controls and starts a tobacco drying heating component 51 in the tobacco drying equipment 50 to heat up and heat, the tobacco to be dried is firstly subjected to yellowing drying, and in the process, a tobacco outlet detection sensor 54 of the drying equipment, an oxygen concentration sensor 55 in the drying equipment, a temperature sensor 56 in the drying equipment and a humidity sensor 57 in the drying equipment respectively and simultaneously perform detection work;
b, a smoke outlet detection sensor 54 of the drying equipment detects a smoke outlet of the drying equipment and is used for judging whether the discharged smoke meets the emission standard or not; detecting the oxygen concentration in the drying apparatus by an oxygen concentration sensor 55 in the drying apparatus;
the temperature in the drying apparatus is detected by the temperature sensor 56 in the drying apparatus;
detecting the humidity in the drying apparatus by a humidity sensor 57 in the drying apparatus;
the sensors respectively transmit the detected corresponding information to the signal processing unit 12, and at this time, the detected corresponding information is firstly transmitted to the comparing module 12a, and the comparing module 12a compares the detected information, specifically,
if the detected smoke concentration is lower than the set value, the current emission standard is met; if the detected flue gas concentration is higher than the standard value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts corresponding flue gas processing equipment to purify the flue gas;
if the comparison result shows that the detected oxygen concentration in the equipment is lower than a certain value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts the corresponding drying equipment circulating fan 53 to input air; if the comparison shows that the detected oxygen concentration in the equipment is higher than a certain value, the internal part of the equipment meets the standard currently;
if the detected temperature is lower than the set value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls the tobacco drying and heating component 51 to continuously heat the interior of the tobacco drying and heating component; if the detected temperature is higher than the set value, the control unit 11 controls to start the corresponding drying equipment circulating fan 53 to input air for temperature adjustment;
if the comparison result shows that the detected humidity is lower than the set value, the comparison module 12a transmits the signal to the signal amplification module 12b and the filtering module 12c, the signal is amplified and filtered and then transmitted to the control unit 11, and the control unit 11 controls and starts the corresponding drying equipment humidification module 52 to perform humidification processing; drying the tobacco in the optimal environment;
c, when the tobacco is shifted to a fixed color baking period after reaching the yellowing period, the sensor carries out corresponding detection work, and the constant temperature control module 19 carries out constant temperature control on the tobacco drying heating assembly 51 in the period so as to ensure that the interior of the drying equipment is at a high temperature and a constant temperature;
and D, the tobacco drying intelligent temperature control terminal 30 or the tobacco drying intelligent temperature control host 40 can check the relevant data in the drying process through the tobacco drying intelligent temperature control server 20.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. An intelligent temperature control system for tobacco drying is characterized in that; the system comprises a tobacco drying intelligent temperature control box (10) and a tobacco drying intelligent temperature control server (20), wherein the tobacco drying intelligent temperature control box (10) is in networking communication with the tobacco drying intelligent temperature control server (20), and the tobacco drying intelligent temperature control box (10) is used for detecting the internal drying environment of tobacco drying equipment (50); the detected information is transmitted to an intelligent temperature control server (20) for drying the tobacco; meanwhile, the tobacco drying intelligent temperature control server (20) can send a control instruction to the tobacco drying intelligent temperature control box (10), and the tobacco drying intelligent temperature control box (10) controls the tobacco drying equipment (50) to dry tobacco;
in addition, the system also comprises a tobacco drying intelligent temperature control terminal (30) and a tobacco drying intelligent temperature control host (40), wherein the tobacco drying intelligent temperature control terminal (30) and the tobacco drying intelligent temperature control host (40) respectively establish data communication with the tobacco drying intelligent temperature control server (20), and both can realize temperature control operation on the tobacco drying intelligent temperature control box (10) through the tobacco drying intelligent temperature control server (20).
2. The intelligent temperature control system for tobacco drying according to claim 1, wherein; the intelligent tobacco drying temperature control box (10) is provided with a control unit (11), a signal processing unit (12), a touch display screen (13), a display screen locking module (14), a data storage module (15), an equipment communication module (16), a power supply module (17), an output control module (18) and a constant temperature control module (19);
the touch display screen (13) is connected with the control unit (11) through the display screen locking module (14), the signal input end of the control unit (11) is connected with the signal processing unit (12), the control output end of the control unit (11) is connected with the output control module (18), and the output control module (18) is connected with the constant temperature control module (19); the control unit (11) is also connected with a data storage module (15), an equipment communication module (16) and a power supply module (17);
a tobacco drying heating component (51), a drying equipment humidifying module (52), a drying equipment circulating fan (53), a drying equipment smoke outlet detection sensor (54), a drying equipment internal oxygen concentration sensor (55), a drying equipment internal temperature sensor (56) and a drying equipment internal humidity sensor (57) are arranged in the tobacco drying equipment (50); the constant temperature control module (19) is also connected with a tobacco drying heating component (51);
wherein, the output ends of the smoke outlet detection sensor (54) of the drying equipment, the oxygen concentration sensor (55) in the drying equipment, the temperature sensor (56) in the drying equipment and the humidity sensor (57) in the drying equipment are simultaneously connected with the signal processing unit (12) and are respectively used for transmitting corresponding detection information to the signal processing unit (12); the output control module (18) is also connected with the tobacco drying heating component (51), the drying equipment humidifying module (52) and the drying equipment circulating fan (53) at the same time, and effectively controls the tobacco drying heating component (51), the drying equipment humidifying module (52) and the drying equipment circulating fan (53).
3. The intelligent temperature control system for tobacco drying according to claim 2, wherein; the signal processing unit (12) internally comprises a comparison module (12 a), a signal amplification module (12 b) and a filtering module (12 c); the input end of the comparison module (12 a) is connected with a smoke outlet detection sensor (54) of the drying equipment, an oxygen concentration sensor (55) in the drying equipment, a temperature sensor (56) in the drying equipment and a humidity sensor (57) in the drying equipment, the output end of the comparison module (12 a) is connected with the signal amplification module (12 b), the output end of the signal amplification module (12 b) is connected with the filtering module (12 c), and the output end of the filtering module (12 c) is connected with the control unit (11).
4. The intelligent temperature control system for tobacco drying according to claim 2, wherein; the constant temperature control module (19) is provided with a thermistor Rt and a base integrated circuit, when the temperature is lower, the resistance value of the thermistor Rt with a negative temperature coefficient is larger, the potential of a pin 2 of a 555 time base Integrated Circuit (IC) is lower than 1/3 of Ec voltage, a pin 3 of the IC outputs high level, a bidirectional thyristor V is triggered to be conducted, a drying heating assembly is switched on to heat, and therefore timing circulation is started; when the temperature of the thermistor Rt arranged at the temperature measuring point is higher than a set value and the timing cycle is not finished, the drying heating component is cut off after the timing cycle is finished; when the temperature of the thermistor Rt is reduced to be below a set value, the bidirectional thyristor V is triggered to be conducted again, and the drying heating assembly is switched on for heating; thus, the purpose of automatic temperature control can be achieved.
5. The intelligent temperature control system for tobacco drying according to claim 1, wherein; the temperature control operation is as follows;
a, tobacco to be dried is placed in tobacco drying equipment (50), drying control execution parameter information is sent to a tobacco drying intelligent temperature control server (20) through a tobacco drying intelligent temperature control terminal (30) or a tobacco drying intelligent temperature control host (40), meanwhile, a control instruction is sent to a tobacco drying intelligent temperature control box (10) through the tobacco drying intelligent temperature control server (20), at the moment, the tobacco drying intelligent temperature control box (10) controls a tobacco drying heating component (51) in the tobacco drying equipment (50) to be started to heat up and heat, the tobacco to be dried is subjected to yellowing drying, and in the process, a tobacco outlet detection sensor (54) of the drying equipment, an oxygen concentration sensor (55) in the drying equipment, a temperature sensor (56) in the drying equipment and a humidity sensor (57) in the drying equipment are subjected to detection work simultaneously respectively;
b, a smoke outlet detection sensor (54) of the drying equipment detects the smoke outlet of the drying equipment and is used for judging whether the discharged smoke meets the emission standard or not; the oxygen concentration in the drying device is detected by an oxygen concentration sensor (55) in the drying device,
detecting the temperature in the drying device by a temperature sensor (56) in the drying device;
detecting the humidity in the drying equipment by a humidity sensor (57) in the drying equipment;
the sensors transmit the detected corresponding information to the signal processing unit (12), and at this time, the detected corresponding information is transmitted to the comparison module (12 a) first, and the comparison module (12 a) compares the detected information, specifically,
if the detected smoke concentration is lower than the set value, the current emission standard is met; if the detected smoke concentration is higher than the standard value, the comparison module (12 a) transmits the signal to the signal amplification module (12 b) and the filtering module (12 c), the signal is amplified and filtered and then transmitted to the control unit (11), and the control unit (11) controls and starts corresponding smoke processing equipment to purify the smoke;
if the comparison result shows that the detected oxygen concentration in the equipment is lower than a certain value, the comparison module (12 a) transmits signals to the signal amplification module (12 b) and the filtering module (12 c), the signals are amplified and filtered and then transmitted to the control unit (11), and the control unit (11) controls and starts the corresponding drying equipment circulating fan (53) to input air; if the comparison shows that the detected oxygen concentration in the equipment is higher than a certain value, the internal part of the equipment meets the standard currently;
if the detected temperature is lower than the set value through comparison, the comparison module (12 a) transmits the signal to the signal amplification module (12 b) and the filtering module (12 c), the signal is amplified and filtered and then transmitted to the control unit (11), and the control unit (11) controls the tobacco drying and heating component (51) to continuously heat the interior of the tobacco drying and heating component; if the detected temperature is higher than the set value, the control unit (11) controls and starts the corresponding drying equipment circulating fan (53) to input air for temperature adjustment;
if the detected humidity is lower than the set value, the comparison module (12 a) transmits the signal to the signal amplification module (12 b) and the filtering module (12 c), the signal is amplified and filtered and then transmitted to the control unit (11), and the control unit (11) controls and starts the corresponding drying equipment humidification module (52) to perform humidification processing; drying the tobacco in the optimal environment;
c, when the tobacco is shifted to a fixed color baking period after reaching the yellowing period, the sensor carries out corresponding detection work, and the constant temperature control module (19) carries out constant temperature control on the tobacco drying heating assembly (51) in the period so as to ensure that the interior of the drying equipment is at a high temperature and a constant temperature;
and D, the tobacco drying intelligent temperature control terminal (30) or the tobacco drying intelligent temperature control host (40) can check related data in the drying process through the tobacco drying intelligent temperature control server (20).
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| CN113142631B (en) | 2022-07-05 |
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