CN109007949A - A kind of cured tobacco curing house control system and control method - Google Patents
A kind of cured tobacco curing house control system and control method Download PDFInfo
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- CN109007949A CN109007949A CN201810963497.5A CN201810963497A CN109007949A CN 109007949 A CN109007949 A CN 109007949A CN 201810963497 A CN201810963497 A CN 201810963497A CN 109007949 A CN109007949 A CN 109007949A
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- cured tobacco
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- pump unit
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
The present invention provides a kind of cured tobacco curing house control system and control method, is related to baking of flue-cured tobacco technical field, which includes: baking vessel (1), heat pump unit room (2)；Barricade (3)；Hydrofuge channel (4)；The hydrofuge channel (4) is arranged in the lower section of the baking vessel (1), and the baking vessel (1) is adjacent with the heat pump unit room (2)；The barricade (3) is horizontally disposed；Barn setting and easy for installation, and Durability is long, and the utilization rate of thermal energy can be greatly improved using heat pump unit, and human cost reduces.The control method of cured tobacco curing house control system accurately controls the temperature and humidity of barn by the way of controlling air blow and return, ensure that the quality of flue-cured tobacco in strict accordance with the requirement of three-phase-drying for tobacco technique.
Description
Technical field
This application involves baking of flue-cured tobacco technical field more particularly to a kind of cured tobacco curing house control systems and control method.
Background technique
The quality and style and features of tobacco leaf are gradually formed in tobacco leaf growth and development process, are embodied by modulation technique
Out, the basic goal of tobacco flue-curing, which seeks to appear and play tobacco leaf to the maximum extent, forms and builds up during agronomy
The quality-advantage come.
Baked by using fire coal tobacco leaf is that China's tobacco leaf just examines the roasting mode used for a long time, with the development of modern tobacco agriculture,
The improvement of barn and the exploitation of Coal Energy Source are more and more paid attention in leaf tobacco production.Heat pump passes through compressor work,
States of matter using heating working medium changes, and the heat energy transfer in air to a kind of indoor heating equipment, air source heat pump is roasting
Cigarette toasts the heating equipment of most economical most convenient.Heating working medium in its evaporator is fallen below surrounding air by air source heat pump
Temperature, to then the heat absorption in air is sent into barn by compressor again.
It due to different flue-cured tobacco cultivars, can be had different needs in terms of baking, to realize different flue-cured tobacco cultivars wind
Taste meets its best baking needs, provides the baking scheme for being suitble to the flue-cured tobacco cultivars therefore, it is necessary to be directed to different flue-cured tobacco cultivars
It is necessary.Baking process includes changing yellow stage, fixation stage and drying muscle stage, and requirement of each stage to temperature is different, if
A kind of barn automatic temperature control system is counted, refinement quantization baking link realizes large-scale promotion application.
Summary of the invention
This application provides a kind of cured tobacco curing house control system and control methods, to solve existing baked by using fire coal tobacco leaf pair
The problem of pollution and low efficiency of environment, while control system strict control baking process parameter is used, improve flue-cured tobacco matter
Amount.
This application provides a kind of cured tobacco curing house control systems, comprising:
Baking vessel；Heat pump unit room；Barricade；Hydrofuge channel；The lower section of the baking vessel, institute is arranged in the hydrofuge channel
It is adjacent with the heat pump unit room to state baking vessel；The barricade is horizontally disposed；
Smoke hanging shelf is additionally provided in the baking vessel；Temperature sensor；Humidity sensor；Video camera；Barn door；Barn into
Air port；Insulated wall；The temperature sensor, humidity sensor and video camera are separately positioned in the smoke hanging shelf；The barn
Air inlet is connected to the baking vessel and the heat pump unit room；The insulated wall separates baking vessel and heat pump unit room；
The heat pump unit room includes pressure fan；Condenser；Electric expansion valve；Evaporator；Compressor；Motor；Frequency converter；
Evaporation fan；The revolving speed of motor described in the Frequency Converter Control, to control the compressor operating；The electric expansion valve energy
It is enough that fluid flow in adjusting heat pump unit is reached according to control signal；
Operator control panel is additionally provided with below the barricade；Central controller；Electrical control cabinet；The electrical control cabinet electrical connection
Each electric component in heat pump unit room；
The hydrofuge channel includes fresh air air inlet；Air inlet baffle；Fresh air blast pipe；Moisture exhausting port；Moisture exhausting port baffle；Institute
Fresh air air inlet baffle plate setting is stated in the fresh air air inlet, the moisture exhausting port baffle plate setting is at the moisture exhausting port.
Preferably, it is additionally provided with warning device below the operator control panel, there are also emergency stop functions for the warning device.
Preferably, the heat pump unit room further includes the first maintenance door；Second maintenance door；First maintenance door, 28 face
The blower setting；Second maintenance door faces the condenser setting.
Preferably, the pipe diameter 20cm of the fresh air blast pipe.
Preferably, the fresh air air inlet baffle and moisture exhausting port baffle are additionally provided with regulating valve respectively, by central controller
Control its opening size.
Preferably, the height in the hydrofuge channel is not less than 30cm.
The present invention also provides a kind of control methods of cured tobacco curing house, for controlling a kind of cured tobacco curing house control system
System, which comprises the following steps:
Step S1, by toasting indoor temperature sensor, humidity sensor monitors temperature in the baking vessel 1 and wet
Degree value and video camera acquire the color image of the indoor tobacco leaf color change of baking；
Step S2, collected temperature, humidity and colored tobacco leaf image are imported into the central controller, it will be warm and humid
The greenish-yellow ratio at the positions such as degree value and the tobacco leaf of extraction, cigarette muscle and master pulse is compared with the standard in database, is commented in real time
Estimate the current state of flue-cured tobacco, control signal is then issued according to comparing result；
Step S3, control signal is issued by central controller, control actuator is adjusted；
Step S4, the temperature in barn, humidity reach the temperature requirement of three-phase-drying for tobacco technique, while realizing at one section
Between thermostatic control, and barn state is fed back into central controller in real time；
Step S5, the described flue-cured tobacco state reaches standard, completes flue-cured tobacco process.
Preferably, before the step S2 further include:
Step S0: three-phase-drying for tobacco process curve and live baking experience using flue-cured tobacco are established in Tobacco Leaf Curing
Tobacco leaf, cigarette muscle and master pulse position green and yellow ratio and temperature and humidity curve database.
Preferably, the step S3 is specifically included:
Step S31, by the opening size of central controller controls fresh air air inlet baffle；
Step S32, by central controller controls impulse generator to drive electric expansion valve, by electronic expansion valve controls pressure
The suction tolerance of contracting machine；
Step S33, by central controller controls impulse generator to drive electric expansion valve, by electronic expansion valve controls system
The liquid supply rate of system.
Technical solution provided by the present application can achieve it is following the utility model has the advantages that
Provided herein a kind of cured tobacco curing house control system and control method reduce air compared with prior art
Pollution and human cost；Heat pump has the function of recycling heat, improves the utilization rate of thermal energy；It is realized using electronic control valve
The heating rate requirement of three-phase-drying for tobacco technique, while realizing the thermostatic control in any a period of time, precision reachable ± 0.4
℃；The realization of three-phase-drying for tobacco technical process is precisely controlled, realizes the automation of flue-cured tobacco process.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of cured tobacco curing house control system provided by the embodiment of the present application；
Fig. 2 is the structural schematic diagram of another kind cured tobacco curing house control system provided by the embodiment of the present application；
Fig. 3 is a kind of flow chart of the control method of cured tobacco curing house control system provided by the embodiment of the present application.
Appended drawing reference:
1- baking vessel；
11- smoke hanging shelf；
12- temperature sensor；
13- humidity sensor；
14- video camera；
15- barn door；
16- barn air inlet；
17- insulated wall；
2- heat pump unit room；
20- pressure fan；
21- condenser；
22- electric expansion valve；
23- motor；
24- evaporator；
25- compressor；
26- frequency converter；
27- evaporation fan；
The first maintenance door of 28-；
The second maintenance door of 29-；
3- barricade；
31- operator control panel；
32- central controller；
33- electrical control cabinet；
34- warning device；
4- hydrofuge channel；
41- fresh air air inlet；
42- air inlet baffle；
43- fresh air blast pipe；
44- moisture exhausting port；
45- moisture exhausting port baffle；
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Specific embodiment
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
As depicted in figs. 1 and 2, the embodiment of the present application provides a kind of cured tobacco curing house control system comprising: baking vessel 1；
Heat pump unit room 2；Barricade 3；Hydrofuge channel 4；The lower section of baking vessel 1, baking vessel 1 and institute's pump assembly room 2 is arranged in hydrofuge channel 4
It is adjacent；Barricade 3 is horizontally disposed；
Smoke hanging shelf 11 is additionally provided in baking vessel 1；Temperature sensor 12；Humidity sensor 13；Video camera 14；Barn door
15；Barn air inlet 16；Insulated wall 17；Temperature sensor 12, humidity sensor 13 and video camera 14 are separately positioned on smoke hanging shelf
On 11；Barn air inlet 16 is connected to baking vessel 1 and the heat pump unit room 2；The insulated wall 17 is by baking vessel 1 and heat pump unit
Room 2 separates；
Heat pump unit room 2 includes pressure fan 20；Condenser 21；Electric expansion valve 22；Evaporator 24；Compressor 25；Motor
23；Frequency converter 26；Evaporation fan 27；The frequency converter 26 controls the revolving speed of the motor 23, to control the compressor 25
Work；The electric expansion valve 22 can reach the fluid flow in adjusting heat pump unit according to control signal.
Device outlet refrigerant temperature is evaporated using electric expansion valve to adjust, it can be by the way that evaporator outlet be arranged in
Temperature sensor and pressure sensor (sometimes also utilize be arranged in the middle part of evaporator temperature sensor acquisition evaporating temperature) come
Degree of superheat signal is acquired, the aperture of expansion valve is controlled using feedback regulation；It can also be adjusted, be disappeared using feedforward plus feedback complex
Except because caused by evaporator tube wall and sensor thermal capacitance degree of superheat control lag, improve system regulation quality, in very wide evaporation
Temperature region makes degree of superheat control in target zone.
Electric expansion valve controls the voltage or electric current being applied on expansion valve using the electric signal for being conditioned parameter generation,
And then achieve the purpose that adjust liquid supply rate.
Suction superheat control system is made of electric expansion valve, pressure sensor, temperature sensor, controller, work
When, the compressor air suction degree of superheat is transmitted to controller, controller by evaporator exit pressure P1, temperature sensor by pressure sensor
After signal processing, subsequent output order acts on the stepper motor of electronic expansion main valve, and valve is reached to the position of needs.
The output end of temperature sensor and humidity sensor is connect with data acquisition device, and data acquisition device will directly count
According to central controller is input to, central processing controller will be connected by output end with control unit after signal processing,
Operator can according to the actual needs by touch screen be arranged heat pump unit between in wet, temperature parameter, by center
Preset temperature humidity preset value automatically controls hydrofuge air door by controller after signal processing, circulated air in heat pump unit
Machine realizes the control of control heat pump working area environment temperature to reach setting epidemic disaster.
By compressor work, the states of matter using heating working medium changes heat pump, the heat energy transfer in air to indoor
A kind of heating equipment, air source heat pump are the heating equipments of the most economical most convenient of baking of flue-cured tobacco.Air source heat pump is by its evaporator
Interior heating working medium falls below the temperature of surrounding air, to then the heat absorption in air is sent by compressor again
Enter barn.
Barricade 3 is additionally provided with operator control panel 31 below；Central controller 32；Electrical control cabinet 33；The electrical control cabinet 33
It is electrically connected each electric component in the heat pump unit room 2；Hydrofuge channel 4 includes fresh air air inlet 41；Air inlet baffle 42；Fresh air into
Air hose 43；Moisture exhausting port 44；Moisture exhausting port baffle 45；Fresh air air inlet baffle 42 is arranged at the fresh air air inlet 41, moisture exhausting port
Baffle 45 is arranged at moisture exhausting port 43.
Preferably, warning device 34 is additionally provided with below operator control panel 31, there are also emergency stop functions for the warning device 34.
Preferably, heat pump unit room 2 further includes the first maintenance door 28；Second maintenance door 29；First maintenance door 28 faces
Pressure fan 20 is arranged；Second maintenance door 29 faces the setting of condenser 21.
Preferably, the pipe diameter 20cm of fresh air blast pipe 43.
Preferably, fresh air air inlet baffle 42 and moisture exhausting port baffle 45 are additionally provided with regulating valve respectively, by central controller
Control its opening size.
Preferably, the height in hydrofuge channel is not less than 30cm.
In the above-described embodiments, with 55 DEG C of temperature calculating in tobacco curing barn, when extraneous environment temperature difference, heat pump efficiency
Also different, extraneous environment temperature is higher, and Energy Efficiency Ratio is bigger.Flue-cured tobacco process needs hydrofuge, the big portion of the heat that hydrofuge gas is taken out of
Divide and absorbed again by the evaporator of heat pump, in three-phase-drying for tobacco technique, the raising of barn temperature influences heat pump Energy Efficiency Ratio smaller.
As shown in figure 3, the embodiment of the present application provides a kind of control method of cured tobacco curing house, for controlling cured tobacco curing house control
System processed, comprising the following steps:
Step S1, by the temperature sensor 12 in baking vessel 1, humidity sensor 13 monitors temperature in baking vessel 1 and wet
Degree value and video camera 14 acquire the color image of the tobacco leaf color change in baking vessel 1；
Step S2, collected temperature, humidity and colored tobacco leaf image are imported into the central controller 33, it will be warm
The greenish-yellow ratio at the positions such as humidity and the tobacco leaf of extraction, cigarette muscle and master pulse is compared with the standard in database, in real time
The current state of flue-cured tobacco is assessed, control signal is then issued according to comparing result；
Step S3, control signal is issued by central controller 32, control actuator is adjusted；
Step S4, the temperature in barn, humidity reach the temperature requirement of three-phase-drying for tobacco technique, while realizing at one section
Between thermostatic control, and barn state is fed back into central controller 32 in real time；
Step S5, the described flue-cured tobacco state reaches standard, completes flue-cured tobacco process.
Further, before step S2 further include:
Step S0: three-phase-drying for tobacco process curve and live baking experience using flue-cured tobacco are established in Tobacco Leaf Curing
Tobacco leaf, cigarette muscle and master pulse position green and yellow ratio and temperature and humidity curve database.
Further, step S3 is specifically included:
Step S31, the opening size of fresh air air inlet baffle 42 is controlled by central controller 32；
Step S32, impulse generator is controlled to drive electric expansion valve 22, by electric expansion valve 22 by central controller 32
Control the suction tolerance of compressor 25；
Step S33, impulse generator is controlled to drive electric expansion valve 22, by electric expansion valve 22 by central controller 32
The liquid supply rate of control system.
Heat pump flue-cured tobacco has superiority, and compared to coal-fired barn, heat pump has the function of recycling heat, can pass through evaporator
The states of matter of interior heating working medium changes, and the heat recovery of the 70-80% in hydrofuge gas is got up, then be sent into barn by compressor
In condenser in recycle, continue to heat.
The heating rate requirement of three-phase-drying for tobacco technique is realized using electronic control valve, while being realized in any a period of time
Thermostatic control, reachable ± 0.4 DEG C of precision.
Barn setting and easy for installation, and Durability is long, and the utilization of thermal energy can be greatly improved using heat pump unit
Rate, human cost reduce.The control method of cured tobacco curing house control system accurately controls barn by the way of controlling air blow and return
Temperature and humidity, ensure that the quality of flue-cured tobacco in strict accordance with the requirement of three-phase-drying for tobacco technique.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (9)
1. a kind of cured tobacco curing house control system characterized by comprising
Baking vessel (1)；Heat pump unit room (2)；Barricade (3)；Hydrofuge channel (4)；The hydrofuge channel (4) is arranged in the baking
The lower section of room (1), the baking vessel (1) are adjacent with the heat pump unit room (2)；The barricade (3) is horizontally disposed；
Smoke hanging shelf (11) are additionally provided in the baking vessel (1)；Temperature sensor (12)；Humidity sensor (13)；Video camera
(14)；Barn door (15)；Barn air inlet (16)；Insulated wall (17)；The temperature sensor (12), humidity sensor (13) and
Video camera (14) is separately positioned on the smoke hanging shelf (11)；The barn air inlet (16) is connected to the baking vessel (1) and institute
State heat pump unit room (2)；The insulated wall (17) separates baking vessel (1) and heat pump unit room (2)；
The heat pump unit room (2) includes pressure fan (20)；Condenser (21)；Electric expansion valve (22)；Evaporator (24)；Compression
Machine (25)；Motor (23)；Frequency converter (26)；Evaporation fan (27)；The frequency converter (26) controls the revolving speed of the motor (23),
To control the compressor (25) work；The electric expansion valve (22) can reach adjusting heat pump unit according to control signal
In fluid flow；
The barricade (3) is additionally provided with operator control panel (31) below；Central controller (32)；Electrical control cabinet (33)；It is described electrical
Control cabinet (33) is electrically connected each electric component of the heat pump unit room (2)；
The hydrofuge channel 4 includes fresh air air inlet (41)；Air inlet baffle (42)；Fresh air blast pipe (43)；Moisture exhausting port (44)；
Moisture exhausting port baffle (45)；The fresh air air inlet baffle (42) is arranged at the fresh air air inlet (41), the moisture exhausting port gear
Plate (44) is arranged at the moisture exhausting port (43).
2. a kind of cured tobacco curing house control system according to claim 1, which is characterized in that also set up below the operator control panel
Have warning device (34), there are also emergency stop functions for the warning device (34).
3. a kind of cured tobacco curing house control system according to claim 1, which is characterized in that the heat pump unit room (2) is also
Including the first maintenance door (28)；Second maintenance door (29)；First maintenance door (28) faces the pressure fan (20) setting；
Second maintenance door (29) faces the condenser (21) setting.
4. a kind of cured tobacco curing house control system according to claim 1, which is characterized in that the fresh air blast pipe (43)
Pipe diameter 20cm.
5. a kind of cured tobacco curing house control system according to claim 1, which is characterized in that the fresh air air inlet baffle
(42) and moisture exhausting port baffle (45) is additionally provided with regulating valve respectively, by its opening size of central controller controls.
6. a kind of cured tobacco curing house control system according to claim 1, which is characterized in that the height in the hydrofuge channel is not
Lower than 30cm.
7. a kind of control method of cured tobacco curing house, for controlling a kind of cured tobacco curing house control system described in claim 1-6,
Characterized by comprising the following steps:
Step S1, by the temperature sensor (12) in baking vessel (1), humidity sensor (13) is monitored in the baking vessel (1)
Temperature and humidity numerical value and video camera (14) acquire the color image of the tobacco leaf color change in the baking vessel (1)；
Step S2, collected temperature, humidity and colored tobacco leaf image are imported into the central controller (33), it will be warm and humid
The greenish-yellow ratio at the positions such as degree value and the tobacco leaf of extraction, cigarette muscle and master pulse is compared with the standard in database, is commented in real time
Estimate the current state of flue-cured tobacco, control signal is then issued according to comparing result；
Step S3, control signal is issued by central controller (32), control actuator is adjusted；
Step S4, the temperature in barn, humidity reach the temperature requirement of three-phase-drying for tobacco technique, while realizing in a period of time
Thermostatic control, and barn state is fed back into central controller (32) in real time；
Step S5, the described flue-cured tobacco state reaches standard, completes flue-cured tobacco process.
8. control method according to claim 7, which is characterized in that before the step S2 further include:
Step S0: three-phase-drying for tobacco process curve and live baking experience using flue-cured tobacco establish the cigarette in Tobacco Leaf Curing
The database of the green and yellow ratio and temperature and humidity curve of leaf, cigarette muscle and master pulse position.
9. control method according to claim 8, which is characterized in that the step S3 is specifically included:
Step S31, by the opening size of central controller (32) control fresh air air inlet baffle (42)；
Step S32, by central controller (32) control impulse generator to drive electric expansion valve (22), by electric expansion valve
(22) the suction tolerance of compressor (25) is controlled；
Step S33, by central controller (32) control impulse generator to drive electric expansion valve (22), by electric expansion valve
(22) liquid supply rate of control system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810963497.5A CN109007949A (en) | 2018-08-23 | 2018-08-23 | A kind of cured tobacco curing house control system and control method |
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| CN201810963497.5A CN109007949A (en) | 2018-08-23 | 2018-08-23 | A kind of cured tobacco curing house control system and control method |
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| CN115067537A (en) * | 2022-06-24 | 2022-09-20 | 青岛海尔空调电子有限公司 | Control method for a tobacco curing system and tobacco curing system |
| WO2023024635A1 (en) * | 2021-08-25 | 2023-03-02 | 青岛海尔空调电子有限公司 | Drying unit control method, readable storage medium, and drying unit |
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| CN110063515A (en) * | 2019-05-31 | 2019-07-30 | 贵州大学 | Energy-efficient formula tobacco flue-curing house |
| WO2023024635A1 (en) * | 2021-08-25 | 2023-03-02 | 青岛海尔空调电子有限公司 | Drying unit control method, readable storage medium, and drying unit |
| CN115067537A (en) * | 2022-06-24 | 2022-09-20 | 青岛海尔空调电子有限公司 | Control method for a tobacco curing system and tobacco curing system |
| CN115067537B (en) * | 2022-06-24 | 2023-08-15 | 青岛海尔空调电子有限公司 | Control method for tobacco baking system and tobacco baking system |
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