CN101526256B - Air conditioning controller special for curing tobacco and control method thereof - Google Patents
Air conditioning controller special for curing tobacco and control method thereof Download PDFInfo
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- CN101526256B CN101526256B CN2009100384458A CN200910038445A CN101526256B CN 101526256 B CN101526256 B CN 101526256B CN 2009100384458 A CN2009100384458 A CN 2009100384458A CN 200910038445 A CN200910038445 A CN 200910038445A CN 101526256 B CN101526256 B CN 101526256B
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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
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Abstract
The invention relates to an air conditioning controller special for curing tobacco and a control method thereof. The special air conditioning controller for curing tobacco comprises a wire controller; the wire controller comprises an input unit and an MCU of the wire controller, which are connected; the MCU of the wire controller is respectively connected with a first display unit, a cured tobacco curve, a tobacco-curing recording memory unit, a spare power supply unit, a dry-bulb temperature and wet-bulb temperature detection unit, a load control interface unit, a heat pump system protective unit and a three-phase power fault tolerant unit; and the MCU of the wire controller receives a control instruction from the input unit so as to control the working states of a heat pump and an electric heating and dehumidifying device. The air conditioning controller utilizes the heat pump heating technology and a heat recovery device in the process of curing tobacco, can reduce the air pollution and save energy, can also improve the curing quality of the tobacco and reduce the working intensity of curing tobacco, control the dry-bulb temperature and the wet-bulb temperature in a curing room precisely and greatly improve the automation degree and the control precision.
Description
Technical field
The present invention relates to a kind of air-conditioner controller, particularly a kind of air-conditioner controller of flue-cured tobacco special use and control method thereof.
Background technology
Common tobacco flue-curing firing equipment adopts coal stove substantially, and hot gas in the coal stove directly is discharged in the air after through tortuous hot gas path, controls dry-bulb temperature in the bakery by the flame size of control coal stove.As disclosing a kind of hot air circulation machine bakery among the Chinese patent literature CN2812598Y, comprise cigarette-filling house, the hydrofuge skylight, heating plant and heated air circulation device, it is characterized in that: cigarette-filling house's four sides body of wall is orthogonal, the body of wall base portion is established the refrigerated wind tunnel of 4～6 band dodge gates, establish four layers of extension cigarette beam on the body of wall and from bottom to up the cigarette-filling house space is separated into five canopy sheaf spaces, installment work door on cigarette-filling house's body of wall wherein, temperature, humidity observation window and tobacco leaf change observation window, wherein warm, the humidity observation window is on the second canopy layer height, tobacco leaf changes observation window on the 4th canopy layer height, the insulation canopy is " eight " font and is located at the 4th layer of top that hangs the cigarette beam, the both sides slope becomes 10～15 degree angles with horizontal plane, and opens two rectangle boxlike hydrofuge skylights along ceiling two spine directions; The cooking stove of heating plant is installed in the cigarette-filling house bottom, burner hearth is connected with a main quirk watt fire tube, arc heat transfer iron plate is placed in roof of the furnace, contact with stove fire, above the both sides and heat transfer iron plate of burner hearth, the heat exchanger that has cement pre-fabricated panel to be divided into, twice are parallel to each other in the heat exchanger, heat exchange cavity bottom on place's same level face communicates with the air intake hole of two band adjustment doors respectively, 12～14 hot-blast outlets are reserved in the both sides, top, two flue fire tubes about a main quirk watt fire tube tail end is bifurcated into, little from inside to outside slope or level lay out, put down away along cigarette-filling house body of wall both sides again, the both sides fire tube is higher than two internal fire pipes, 4～5cm, and last both sides fire tube extends to chimney bottom and converges connection; The wind EGR is made up of air intake duct, guide duct, air-exchanging chamber, heat exchanger, discharge pipe and blower fan etc., air intake duct one end is positioned at the top of cigarette-filling house, open the suction hole of several diameters 3cm on its tube wall, the guide duct that the other end is through walls and body of wall is outer is connected, air-exchanging chamber is led in the guide duct lower end, and the wicket of 40cm * 22cm is offered in the side of air-exchanging chamber, in blower fan is housed, discharge pipe divides two-way to enter the heat exchange cavity of heat exchanger after drawing from the air-exchanging chamber bottom.This hot air circulation machine bakery is by wet-bulb temperature in the bakery indoor and outdoors surrounding air ventilation control bakery, and this kind equipment shortcoming is a lot:
1, hot gas also has very high temperature after flowing out pipeline usually, and energy utilization rate is low;
2, the gas behind the coal combustion directly is discharged in the air without any processing, and is seriously polluted;
3, because the bakery inner air lacks convection current, inner diverse location dry-bulb temperature of bakery and wet-bulb temperature are also inconsistent;
4, owing to can't control accurately the flame size of coal stove, the dry-bulb temperature of bakery is controlled also inaccuracy;
5, by indoor, outdoor ventilation hydrofuge, serious heat loss;
6, bakery adopts naked light as thermal source, might bring about great losses because of leaking fire burns, and its safe coefficient is low, the energy consumption height.
And for example disclose a kind of tobacco leaf temperature and humidity in storeroom monitoring system among the Chinese patent literature CN2842595Y, comprised wireless tobacco bale central temperature sensor, storehouse ambient temperature and humidity one body sensor, air-conditioner air outlet temperature sensor, data acquisition device, bus data acquisition device, air-conditioned room temperature polling instrument and serial server; It is characterized in that: it also comprises remote monitoring center, local monitoring center, and the total storehouse of tobacco leaf is provided with 1 remote monitoring center, and every tobacco leaf divides storehouse that 1 local monitoring center is set; Each minute, each cell library of storehouse was provided with 1 serial server, 1 wireless collection device and 1 bus collector, and the air-conditioned room of corresponding unit storehouse is provided with 1 air-conditioned room temperature polling instrument; Every wireless tobacco bale central temperature sensor and storehouse ambient temperature and humidity one body sensor that tobacco leaf divides each cell library of storehouse that varying number is set as required, each air-conditioned room is provided with the air conditioner temperature sensor of corresponding unit storehouse; Remote monitoring center by the network equipment and optical cable be distributed in every tobacco leaf and divide the local monitoring center in the storehouse to be connected, local monitoring center is connected serial server by network interface with cable, serial server passes through: RS-232 interface is connected data acquisition device and bus data acquisition device with the RS-485 interface, the air-conditioned room temperature polling instrument, wireless tobacco bale central temperature sensor is connected with the data acquisition device by wireless mode, storehouse ambient temperature and humidity one body sensor is connected with the bus data acquisition device by the ITU bus, and the air-conditioner air outlet temperature sensor also is connected with the air-conditioned room temperature polling instrument by the ITU bus.This tobacco leaf temperature and humidity in storeroom monitoring system only can be reported to the police according to the result who detects, and can not handle in good time, and its automaticity is lower.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple and reasonable, utilize heat pump heating technology and heat reclamation device, reduction air pollution, energy-conservation, improve baking quality of tobacco, reduce the air-conditioner controller and the control method thereof of the flue-cured tobacco special use that dry-bulb temperature in flue-cured tobacco working strength, the bakery and wet-bulb temperature accurately controlled, to overcome weak point of the prior art.
Press the air-conditioner controller of a kind of flue-cured tobacco special use of this purpose design, comprise line control machine, line control machine comprises input block and the line control machine MCU control module that joins, input block is the RS232 interface unit, the combination of any one or more in remote control reception interface unit and the keystroke interface input block, it is characterized in that line control machine MCU control module respectively with first display unit, flue-cured tobacco curve and flue-cured tobacco record mnemon, standby power unit, dry-bulb temperature and wet-bulb temperature detecting unit, load control interface unit, the heat pump protected location, the fault-tolerant unit of three phase mains joins; Line control machine MCU control module receives the control instruction from input block, the duty of control heat pump, electrical heating and dehumidifier.
A kind of air-conditioner controller of flue-cured tobacco special use, comprise line control machine and load controller, line control machine comprises input block and the line control machine MCU control module that joins, input block is the RS232 interface unit, the combination of any one or more in remote control reception interface unit and the keystroke interface input block, load controller comprises load controller MCU control module, it is characterized in that line control machine MCU control module respectively with first display unit, flue-cured tobacco curve and flue-cured tobacco record mnemon, standby power unit and dry-bulb temperature and wet-bulb temperature detecting unit join, load controller MCU control module respectively with second display unit, load control interface unit, the fault-tolerant unit of heat pump protected location and three phase mains joins; Line control machine MCU control module receives the control instruction from input block, sends heating and dehumidifying instruction to load controller, the duty of load controller control heat pump, electrical heating and dehumidifier.
A kind of control method of air-conditioner controller of flue-cured tobacco special use; it is characterized in that line control machine MCU control module receives the control instruction of input block and parameter is set; parameter will be set be saved in flue-cured tobacco curve and flue-cured tobacco record mnemon; by dry-bulb temperature and the wet-bulb temperature in dry-bulb temperature and the wet-bulb temperature interface unit detection bakery; according to the dry-bulb temperature in the bakery of actual detected and wet-bulb temperature with parameter is set carries out logical operation; send the load control instruction to load controller; show the actual detected parameter that is provided with in parameter and the bakery by display unit; load controller receives the load control instruction that line control machine sends; by display unit display system state; carry out logical operation according to the situation of heat pump protected location and the fault-tolerant unit of three phase mains and the load control instruction of line control machine; the unlatching of control load or stop to realize the dry-bulb temperature in the bakery and the accurate control of wet-bulb temperature.
By input block the baking curve is set, the baking curve comprises setting dry-bulb temperature, wet-bulb temperature and the stoving time in baking stage, per stage; Then start toasting performance by input block, this moment, line control machine MCU control module at first detected dry-bulb temperature and the wet-bulb temperature in the bakery, after comparing with dry-bulb temperature of setting and wet-bulb temperature, sent the load control command to load controller again; After load controller received the load control command that line control machine sends, control heat pump and electrically heated unlatching realized the bakery heating, and the unlatching of control dehumidifier realizes the bakery hydrofuge.
By the setting that the keystroke interface input block in the input block toasts curve, its step is as follows: the first, at first pass through the adjustment button of " flue-cured tobacco passage ", the flue-cured tobacco passage that selection will be provided with;
The second, pass through the upper and lower adjustment button of " operation phase ", the operation phase that adjustment will be provided with;
Three,, adjust the dry bulb design temperature of current operation phase by the upper and lower adjustment button of " setting dry-bulb temperature ";
Four,, adjust the wet bulb design temperature of current operation phase by the upper and lower adjustment button of " setting wet-bulb temperature ";
Five,, adjust the running time of current operation phase by the upper and lower adjustment button of " setting-up time ".
Six, repeat second～the 5th step, finish operational factor when all stages of prepass until setting;
Above also can set in steps by RS232 interface unit in the input block or remote control reception interface unit.
When the baking curve of setting has when not needing to move all default operation phase, then setting-up time that only need the untapped operation phase is set to 0, and then when operation, it is operation phase of 0 that air-conditioner controller can be skipped setting-up time automatically.
Described dry-bulb temperature and wet-bulb temperature detecting unit adopt the high-performance digital temperature sensor, in real time the Shang Peng of bakery and the dry-bulb temperature in the following canopy are converted to data signal T1 and T2, wet-bulb temperature in Shang Peng and the following canopy is converted to data signal T3 and T4, and gives line control machine MCU control module respectively above data signal;
When T1-T2 〉=2, perhaps T1-T2≤2, perhaps T3-T4 〉=2, perhaps T3-T4≤2 o'clock then show the Shang Peng in the bakery and the non-uniform temperature of following canopy, line control machine MCU control module will be in load controller sends opening chamber the order of circulating fan;
As T1≤T
DRYSET-1, T
DRYSETBe to set dry-bulb temperature, and during T1≤65 ℃, line control machine MCU control module sends the order of opening heat pump and outdoor fan to load controller, this moment, the user used button manually to control electrical heating to open;
As T1≤T
DRYSET-1, and 65 ℃≤T1≤70 ℃, when being start just, line control machine MCU control module sends to load controller and closes heat pump and outdoor fan, and opens the electrical heating order; When carrying out heat pump, then keep the heat pump state constant, electrical heating is by opened manually and closing; When carrying out electrical heating, then keep the electrical heating state constant, heat pump cuts out and can not open;
As T1≤T
DRYSET-1, and T1 〉=70 ℃, line control machine MCU control module sends to load controller and closes heat pump and outdoor fan, opens electrically heated order;
As T1 〉=T
DRYSET+ 1, line control machine MCU control module sends to load controller and closes heat pump, outdoor fan and electrically heated order;
As T3 〉=T
SETWET+ 1, T
SETWETFor setting wet-bulb temperature, line control machine MCU control module sends the order of opening the hydrofuge load to load controller;
Work as T
SETWET-1≤T3≤T
SETWET+ 1, when being start just, line control machine MCU control module sends the order of closing the hydrofuge load to load controller, when dehumidifying, then keeps removing wet condition, when closing dehumidifying, then keeps closing except that wet condition;
As T3≤T
SETWET-1, line control machine MCU control module sends the order of closing the hydrofuge load to load controller;
The hydrofuge load can be by manual control enforced opening;
After load controller receives the order of load unlatching, open respective load.
Described air-conditioner controller write down a current record every 1～2 hour to flue-cured tobacco curve and flue-cured tobacco record mnemon in the tobacco flue-curing process, in order to the baking technology personnel inquiry, be used to sum up the baking experience, improve the baking curve and improve baking quality; The data of record comprise the setting dry-bulb temperature in the stoving time, this operation phase of current baking channel, current operation phase, this operation phase and set in fact canopy in wet-bulb temperature, the current bakery and the in fact canopy that the dry-bulb temperature of following canopy, current barn are interior and the wet-bulb temperature of following canopy.
Described air-conditioner controller is in the tobacco flue-curing process, operation setting-up time in 5～10 fens clockwise flue-cured tobacco curves and the once current baking channel of flue-cured tobacco record mnemon memory, current operation phase, this operation phase, the actual run time in this operation phase, outage appears in bake process, when recovering electric power once more, air-conditioner controller can recover the state operation before the power down automatically according to the remember condition of flue-cured tobacco curve before the power down and flue-cured tobacco record mnemon; Air-conditioner controller also is equipped with standby power unit, can switch to battery powered mode under the situation of outage, in order to actual dry-bulb temperature and the wet-bulb temperature in the inquiry bakery.
The present invention utilizes blower fan to increase the interior cross-ventilation of bakery, makes that dry-bulb temperature everywhere and the wet-bulb temperature in the bakery is consistent; Utilize digital dry-bulb temperature and wet bulb temperature sensor, accurately detect dry-bulb temperature and wet-bulb temperature in the bakery; By detecting dry-bulb temperature and the wet-bulb temperature situation in the bakery, dry-bulb temperature and wet-bulb temperature parameter that contrast is set are controlled heat pump and humidity-discharging device automatically and are started and stop, and accurately control dry-bulb temperature and wet-bulb temperature in the bakery, and the baking working strength is little; By the heat reclamation device hydrofuge, thermal loss is few; Environment friendly and pollution-free; The variation process curve of memory dry-bulb temperature and wet-bulb temperature in bake process is for baking quality of tobacco research provides foundation.
The present invention utilizes heat pump heating technology and heat reclamation device in the flue-cured tobacco process, both can reduce air pollution and energy-conservation, can improve baking quality of tobacco again and reduce the flue-cured tobacco working strength, and dry-bulb temperature in the bakery and wet-bulb temperature are able to accurate control, its automaticity and control accuracy all improve greatly, greatly reduce the work difficulty and the intensity of tobacco flue-curing.
Description of drawings
Fig. 1 is the theory diagram of first embodiment of the invention.
Fig. 2 is the control of the line control machine among the present invention and the schematic diagram of display interface.
Fig. 3 is the theory diagram of second embodiment of the invention.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described.
First embodiment
Referring to Fig. 1, the air-conditioner controller of this flue-cured tobacco special use, comprise line control machine and load controller, line control machine comprises input block and the line control machine MCU control module 1 that joins, input block is RS232 interface unit 2, remote control reception interface unit 3 and keystroke interface input block 4, and line control machine MCU control module 1 receives parameter setting and control instruction by input block.Load controller comprises load controller MCU control module 13, line control machine MCU control module 1 joins with first display unit 5, flue-cured tobacco curve and flue-cured tobacco record mnemon 6, standby power unit 7 and dry-bulb temperature and wet-bulb temperature detecting unit 8 respectively, and load controller MCU control module 13 joins with second display unit 9, load control interface unit 10, heat pump protected location 11 and the fault-tolerant unit 12 of three phase mains respectively; The control instruction that line control machine MCU control module 1 receives from input block sends heating and dehumidifying instruction to load controller, the duty of load controller control heat pump, electrical heating and dehumidifier.Be connected with the fault-tolerant unit 12 of three phase mains on the line control machine MCU control module 1, and according to the actual access order of three phase mains, control threephase load action.
Be connected with heat pump protected location 11 on the line control machine MCU control module 1; heat pump protected location 11 is given line control machine MCU control module 1 after protection parameters such as pressure, temperature are changed; MCU control module 1 in the line control machine is by judging current system protection state after the logical operation; and the control instruction that sends over according to line control machine; control heat pump, electrical heating and dehumidification equipment open or stop, to have realized the dry-bulb temperature in the Tobacco leaf roasting room and the accurate control of wet-bulb temperature.
Flue-cured tobacco curve and flue-cured tobacco record mnemon 6 are in order to detect dry-bulb temperature and the wet-bulb temperature in the bakery, and dry-bulb temperature and wet-bulb temperature is converted to numerical variable, line control machine MCU control module 1 reads dry-bulb temperature and the wet-bulb temperature in the bakery, and carry out after the logical operation relatively with target dry bulb temperature that is provided with and target wet-bulb temperature, open or cease and desist order thereby send heat pump, electrical heating and dehumidification equipment to load controller.
Be connected with flue-cured tobacco curve and flue-cured tobacco record mnemon 6 on the line control machine MCU control module 1, dry-bulb temperature that receives in order to storage line control machine MCU control module 1 and wet-bulb temperature parameter, flue-cured tobacco running status and actual dry-bulb temperature and the wet-bulb temperature in the bakery in the bake process is set.Flue-cured tobacco curve and flue-cured tobacco record mnemon 6 can be stored 3 baking channel at most, the setting dry-bulb temperature in 30 baking stages of each passage and setting wet-bulb temperature and the time parameter of operation phase, and dry-bulb temperature curve in the actual bake process of 3 passages and wet-bulb temperature curve.Behind its power-down rebooting, can be automatically by the operation of the state before the power down; In running, perhaps under holding state, can inquire about the historical record that baking is provided with parameter and bake process.
Be connected with standby power unit 7 on the line control machine MCU control module 1, externally under the state that power supply is stopped power supply, use standby power unit 7 operations, dry-bulb temperature and wet-bulb temperature in the inquiry bakery.Connect first display unit 5 on the line control machine MCU control module 1, to show current port number, current operation phase number, the target dry bulb temperature is set, target setting wet-bulb temperature, to set running time, the actual dry-bulb temperature of bakery, the actual wet-bulb temperature of bakery, actual run time and current running status.
Be connected with the fault-tolerant unit 12 of three phase mains on the load controller MCU control module 13, and according to the actual access order of three phase mains, control threephase load action.Be connected with heat pump protected location 11 on the load controller MCU control module 13; heat pump protected location 11 is given load controller MCU control module 13 after protection parameters such as pressure, temperature are changed; load controller MCU control module 13 is by judging current system protection state; and the control instruction that sends over according to line control machine, control heat pump, electrical heating and dehumidification equipment are opened or are stopped.
The control method of the air-conditioner controller of flue-cured tobacco special use is that line control machine MCU control module 1 receives the control instruction of input block and parameter is set; parameter will be set be saved in flue-cured tobacco curve and flue-cured tobacco record mnemon 6; by dry-bulb temperature and the wet-bulb temperature in dry-bulb temperature and the wet-bulb temperature interface unit 8 detection bakeries; according to the dry-bulb temperature in the bakery of actual detected and wet-bulb temperature with parameter is set carries out logical operation; send the load control instruction to load controller; show the actual detected parameter that is provided with in parameter and the bakery by first display unit 5; load controller receives the load control instruction that line control machine sends; by second display unit, 9 display system states; carry out logical operation according to the situation of heat pump protected location 11 and the fault-tolerant unit 12 of three phase mains and the load control instruction of line control machine; the unlatching of control load or stop to realize the dry-bulb temperature in the bakery and the accurate control of wet-bulb temperature
The user uses RS232 interface unit 2, remote control reception interface unit 3 and the keystroke interface input block 4 in the input block that the baking curve is set, and RS232 interface unit 2 and host computer PC are joined.
The baking curve comprises setting dry-bulb temperature, wet-bulb temperature and the stoving time in baking stage, per stage; Then start toasting performance by input block, line control machine MCU control module 1 at first detects bakery interior dry-bulb temperature and wet-bulb temperature at this moment, after comparing with dry-bulb temperature of setting and wet-bulb temperature, sends the load control command to load controller again; After load controller received the load control command that line control machine sends, control heat pump and electrically heated unlatching realized the bakery heating, and the unlatching of control dehumidifier realizes the bakery hydrofuge.
The control of line control machine and display interface are as shown in Figure 2.The setting step of toasting curve by the keystroke interface input block 4 in the input block is as follows:
The first, at first pass through the adjustment button of " flue-cured tobacco passage ", the flue-cured tobacco passage that selection will be provided with; Optional flue-cured tobacco passage is 1,2 and 3 totally three flue-cured tobacco passages;
The second, pass through the upper and lower adjustment button of " operation phase ", the operation phase that adjustment will be provided with; Every passage was divided into for 1～30 totally three ten operation phase again;
Three,, adjust the dry bulb design temperature of current operation phase by the upper and lower adjustment button of " setting dry-bulb temperature ";
Four,, adjust the wet bulb design temperature of current operation phase by the upper and lower adjustment button of " setting wet-bulb temperature ";
Five,, adjust the running time of current operation phase by the upper and lower adjustment button of " setting-up time ".
Six, repeat second～the 5th step, finish operational factor when all stages of prepass until setting;
Certainly, this above also can be set by RS232 interface unit in the input block or remote control reception interface unit in steps.
When the baking curve of setting has when not needing to move default 30 all operation phase, then setting-up time that only need the untapped operation phase is set to 0, and then when operation, it is operation phase of 0 that air-conditioner controller can be skipped setting-up time automatically
After above setting was finished, the stage that first selection will move was again by the tobacco flue-curing function that presses switch to open of " operation/cancellation ".
Illustrate: after having set 1～30 operation phase,, then carry out the 7th～30th operation phase if select to carry out since the 7th operation phase always backward; If select to carry out, then carry out the 21st～30th stage always backward since 21 operation phase.
In addition, the button of " inquiry/cancellation " is used to inquire about the log function.Air-conditioner controller can be controlled three independently flue-cured tobacco passages respectively, and each flue-cured tobacco passage is divided into 30 operation phase again, and each operation phase can be provided with running time and be: 0～24 hour; Under the query State, " flue-cured tobacco passage " upwards, button is used to select the flue-cured tobacco passage that will inquire about downwards, the button of adjusting upwards, downwards of " operation phase " is used to select the operation phase that will inquire about, the button of adjusting upwards, downwards of " setting-up time " is used for selecting record in the current operation phase different time, " detection dry-bulb temperature " and " detection wet-bulb temperature " demonstration log temperature.
" locking/cancellation " button is used for the adjustment button of locking " setting dry-bulb temperature ", the adjustment button of " setting wet-bulb temperature " and the adjustment button of " setting-up time ", to prevent maloperation.
" on/following canopy switch " button is used for selecting to show goes up canopy temperature or canopy temperature down.
" powered battery switch " is used under the power-off condition, dry-bulb temperature and the wet-bulb temperature established in the inquiry bakery.
" manually opening " in " electrical heating " is used to select the enforced opening electrical heating, and " automatically " in " electrical heating " is used for controlling automatically electrical heating.
" manually opening " in " hydrofuge " switch is used to select the enforced opening hydrofuge, and " automatically " in " hydrofuge " switch is used for controlling automatically hydrofuge.
Dry-bulb temperature and wet-bulb temperature detecting unit 8 adopt the high-performance digital temperature sensor, in real time the Shang Peng of bakery and the dry-bulb temperature in the following canopy are converted to data signal T1 and T2, wet-bulb temperature in Shang Peng and the following canopy is converted to data signal T3 and T4, and gives line control machine MCU control module respectively with above data signal and compare:
When T1-T2 〉=2, perhaps T1-T2≤2, perhaps T3-T4 〉=2, perhaps T3-T4≤2 o'clock then show the Shang Peng in the bakery and the non-uniform temperature of following canopy, line control machine MCU control module 1 will be in load controller sends opening chamber the order of circulating fan;
As T1≤T
DRYSET-1, T
DRYSETBe to set dry-bulb temperature, and during T1≤65 ℃, line control machine MCU control module 1 sends the order of opening heat pump and outdoor fan to load controller, this moment, the user used button manually to control electrical heating to open;
As T1≤T
DRYSET-1, and 65 ℃≤T1≤70 ℃, when being start just, line control machine MCU control module sends to 1 load controller and closes heat pump and outdoor fan, and opens the electrical heating order; When carrying out heat pump, then keep the heat pump state constant, electrical heating is by opened manually and closing; When carrying out electrical heating, then keep the electrical heating state constant, heat pump cuts out and can not open;
As T1≤T
DRYSET-1, and T1 〉=70 ℃, line control machine MCU control module 1 sends to load controller and closes heat pump and outdoor fan, opens electrically heated order;
As T1 〉=T
DRYSET+ 1, line control machine MCU control module 1 sends to load controller and closes heat pump, outdoor fan and electrically heated order;
As T3 〉=T
SETWET+ 1, T
SETWETFor setting wet-bulb temperature, line control machine MCU control module 1 sends the order of opening the hydrofuge load to load controller;
Work as T
SETWET-1≤T3≤T
SETWET+ 1, when being start just, line control machine MCU control module 1 sends the order of closing the hydrofuge load to load controller, when dehumidifying, then keeps removing wet condition, when closing dehumidifying, then keeps closing except that wet condition;
As T3≤T
SETWET-1, line control machine MCU control module 1 sends the order of closing the hydrofuge load to load controller;
The hydrofuge load can be by manual control enforced opening;
After load controller receives the order of load unlatching, open respective load.
In the tobacco flue-curing process, air-conditioner controller can write down a current record to flue-cured tobacco curve and flue-cured tobacco record mnemon every 2 hours, in order to the baking technology personnel inquiry, was used to sum up the baking experience, improves the baking curve and improved baking quality.The data of record have the setting dry-bulb temperature in the stoving time, this operation phase of current baking channel, current operation phase, this operation phase and set in fact canopy in wet-bulb temperature, the current bakery and the in fact canopy that the dry-bulb temperature of following canopy, current bakery are interior and the wet-bulb temperature of following canopy.It mainly acts on is to allow the technical staff inquire about actual baking record, sums up the baking experience, improves the baking curve, improves baking quality.
In the tobacco flue-curing process, air-conditioner controller can be every the operation setting-up time in 5 fens clockwise flue-cured tobacco curves and the once current baking channel of flue-cured tobacco record mnemon 6 memories, current operation phase, this operation phase, the actual run time in this operation phase.If occur outage in the bake process, when recovering electric power once more, air-conditioner controller can recover the state operation before the power down automatically according to the remember condition of flue-cured tobacco curve before the power down and flue-cured tobacco record mnemon 6.Air-conditioner controller also is equipped with standby power unit 7, can switch to battery powered mode under the situation of outage, in order to actual dry-bulb temperature and the wet-bulb temperature in the inquiry bakery.It mainly acts on is under the current baking state, when recovering electric power once more after the bake process power down, recovers the preceding state operation of power down automatically.
Air-conditioner controller detects dry-bulb temperature sensor fault and wet bulb temperature sensor fault in real time by dry-bulb temperature and wet-bulb temperature detecting unit 8.Detect open-phase fault in real time by the fault-tolerant unit 12 of three phase mains.Detect condenser sensor fault and evaporator sensor fault in real time by heat pump protected location 11.Air-conditioner controller can be according to the type of the current system failure, and positive closing fractional load or whole load are with protection system automatically.Air-conditioner controller detects condenser high temperature protection, evaporimeter low-temperature protection, the protection of compressor high-low pressure, exhaust high temperature protection and big current protection in real time by heat pump protected location 11.Air-conditioner controller can be according to the protection type of current system, and closed portion load or whole load are with protection system automatically.
The fault-tolerant unit 12 of three phase mains in order to detecting whether phase shortage of three phase mains, and according to the actual phase sequence control three-phase compressor of three phase mains, realizes that three-phase is fault-tolerant.Air-conditioner controller detects the phase sequence of current three phase mains by the fault-tolerant unit of three phase mains 12, and the output phase sequence of adjusting three phase mains automatically normally starts with the control three-phase compressor.
Second embodiment
Referring to Fig. 3, the air-conditioner controller of this flue-cured tobacco special use, comprise line control machine, line control machine comprises input block and the line control machine MCU control module 1 that joins, input block is RS232 interface unit 2, remote control reception interface unit 3 and keystroke interface input block 4, and line control machine MCU control module 1 joins with first display unit 5, flue-cured tobacco curve and flue-cured tobacco record mnemon 6, standby power unit 7, dry-bulb temperature and wet-bulb temperature detecting unit 8, load control interface unit 10, heat pump protected location 11, the fault-tolerant unit 12 of three phase mains respectively; The control instruction that line control machine MCU control module 1 receives from input block, the duty of control heat pump, electrical heating and dehumidifier.
All the other are not stated part and see first embodiment, no longer repeat.
Claims (9)
1. the air-conditioner controller of a flue-cured tobacco special use, comprise line control machine, line control machine comprises input block and the line control machine MCU control module (1) that joins, input block is RS232 interface unit (2), the combination of any one or more in remote control reception interface unit (3) and the keystroke interface input block (4), it is characterized in that line control machine MCU control module respectively with first display unit (5), flue-cured tobacco curve and flue-cured tobacco record mnemon (6), standby power unit (7), dry-bulb temperature and wet-bulb temperature detecting unit (8), load control interface unit (10), heat pump protected location (11), the fault-tolerant unit of three phase mains (12) joins; Line control machine MCU control module receives the control instruction from input block, the duty of control heat pump, electrical heating and dehumidifier.
2. the air-conditioner controller of a flue-cured tobacco special use, comprise line control machine and load controller, line control machine comprises input block and the line control machine MCU control module (1) that joins, input block is RS232 interface unit (2), the combination of any one or more in remote control reception interface unit (3) and the keystroke interface input block (4), load controller comprises load controller MCU control module (13), it is characterized in that line control machine MCU control module respectively with first display unit (5), flue-cured tobacco curve and flue-cured tobacco record mnemon (6), standby power unit (7) and dry-bulb temperature and wet-bulb temperature detecting unit (8) join, load controller MCU control module respectively with second display unit (9), load control interface unit, heat pump protected location (11) and the fault-tolerant unit of three phase mains (12) join; Line control machine MCU control module receives the control instruction from input block, sends heating and dehumidifying instruction to load controller, the duty of load controller control heat pump, electrical heating and dehumidifier.
3. the control method of the air-conditioner controller of a flue-cured tobacco special use as claimed in claim 1 or 2; it is characterized in that line control machine MCU control module receives the control instruction of input block and parameter is set; parameter will be set be saved in flue-cured tobacco curve and flue-cured tobacco record mnemon; by dry-bulb temperature and the wet-bulb temperature in dry-bulb temperature and the wet-bulb temperature interface unit detection bakery; according to the dry-bulb temperature in the bakery of actual detected and wet-bulb temperature with parameter is set carries out logical operation; send the load control instruction to load controller; show the actual detected parameter that is provided with in parameter and the bakery by display unit; load controller receives the load control instruction that line control machine sends; by display unit display system state; carry out logical operation according to the situation of heat pump protected location and the fault-tolerant unit of three phase mains and the load control instruction of line control machine; the unlatching of control load or stop to realize the dry-bulb temperature in the bakery and the accurate control of wet-bulb temperature.
4. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 3 is characterized in that by input block the baking curve being set, and the baking curve comprises setting dry-bulb temperature, wet-bulb temperature and the stoving time in baking stage, per stage; Then start toasting performance by input block, this moment, line control machine MCU control module at first detected dry-bulb temperature and the wet-bulb temperature in the bakery, after comparing with dry-bulb temperature of setting and wet-bulb temperature, sent the load control command to load controller again; After load controller received the load control command that line control machine sends, control heat pump and electrically heated unlatching realized the bakery heating, and the unlatching of control dehumidifier realizes the bakery hydrofuge.
5. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 4 is characterized in that toasting by the keystroke interface input block in the input block setting of curve, and its step is as follows:
The first, at first pass through the adjustment button of " flue-cured tobacco passage ", the flue-cured tobacco passage that selection will be provided with;
The second, pass through the upper and lower adjustment button of " operation phase ", the operation phase that adjustment will be provided with;
Three,, adjust the dry bulb design temperature of current operation phase by the upper and lower adjustment button of " setting dry-bulb temperature ";
Four,, adjust the wet bulb design temperature of current operation phase by the upper and lower adjustment button of " setting wet-bulb temperature ";
Five,, adjust the running time of current operation phase by the upper and lower adjustment button of " setting-up time ".
Six, repeat second～the 5th step, finish operational factor when all stages of prepass until setting;
Above also can set in steps by RS232 interface unit in the input block or remote control reception interface unit.
6. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 5, it is characterized in that having when not needing to move all default operation phase when the baking curve of setting, then setting-up time that only need the untapped operation phase is set to 0, then in when operation, it is operation phase of 0 that air-conditioner controller can be skipped setting-up time automatically.
7. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 3, it is characterized in that described dry-bulb temperature and wet-bulb temperature detecting unit adopt the high-performance digital temperature sensor, in real time the Shang Peng of bakery and the dry-bulb temperature in the following canopy are converted to data signal T1 and T2, wet-bulb temperature in Shang Peng and the following canopy is converted to data signal T3 and T4, and gives line control machine MCU control module respectively with above data signal and compare:
When T1-T2 〉=2, perhaps T1-T2≤2, perhaps T3-T4 〉=2, perhaps T3-T4≤2 o'clock then show the Shang Peng in the bakery and the non-uniform temperature of following canopy, line control machine MCU control module will be in load controller sends opening chamber the order of circulating fan;
As T1≤T
DRYSET-1, T
DRYSETBe to set dry-bulb temperature, and during T1≤65 ℃, line control machine MCU control module sends the order of opening heat pump and outdoor fan to load controller, this moment, the user used button manually to control electrical heating to open;
As T1≤T
DRYSET-1, and 65 ℃≤T1≤70 ℃, when being start just, line control machine MCU control module sends to load controller and closes heat pump and outdoor fan, and opens the electrical heating order; When carrying out heat pump, then keep the heat pump state constant, electrical heating is by opened manually and closing; When carrying out electrical heating, then keep the electrical heating state constant, heat pump cuts out and can not open;
As T1≤T
DRYSET-1, and T1 〉=70 ℃, line control machine MCU control module sends to load controller and closes heat pump and outdoor fan, opens electrically heated order;
As T1 〉=T
DRYSET+ 1, line control machine MCU control module sends to load controller and closes heat pump, outdoor fan and electrically heated order;
As T3 〉=T
SETWET+ 1, T
SETWETFor setting wet-bulb temperature, line control machine MCU control module sends the order of opening the hydrofuge load to load controller;
Work as T
SETWET-1≤T3≤T
SETWET+ 1, when being start just, line control machine MCU control module sends the order of closing the hydrofuge load to load controller, when dehumidifying, then keeps removing wet condition, when closing dehumidifying, then keeps closing except that wet condition;
As T3≤T
SETWET-1, line control machine MCU control module sends the order of closing the hydrofuge load to load controller;
The hydrofuge load can be by manual control enforced opening;
After load controller receives the order of load unlatching, open respective load.
8. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 3, it is characterized in that described air-conditioner controller is in the tobacco flue-curing process, write down a current record every 1～2 hour to flue-cured tobacco curve and flue-cured tobacco record mnemon, in order to the baking technology personnel inquiry, be used to sum up the baking experience, improve the baking curve and improve baking quality; The data of record comprise the setting dry-bulb temperature in the stoving time, this operation phase of current baking channel, current operation phase, this operation phase and set in fact canopy in wet-bulb temperature, the current bakery and the in fact canopy that the dry-bulb temperature of following canopy, current barn are interior and the wet-bulb temperature of following canopy.
9. the control method of the air-conditioner controller of flue-cured tobacco special use according to claim 3, it is characterized in that described air-conditioner controller is in the tobacco flue-curing process, operation setting-up time in 5～10 fens clockwise flue-cured tobacco curves and the once current baking channel of flue-cured tobacco record mnemon memory, current operation phase, this operation phase, the actual run time in this operation phase, outage appears in bake process, when recovering electric power once more, air-conditioner controller can recover the state operation before the power down automatically according to the remember condition of flue-cured tobacco curve before the power down and flue-cured tobacco record mnemon; Air-conditioner controller also is equipped with standby power unit, can switch to battery powered mode under the situation of outage, in order to actual dry-bulb temperature and the wet-bulb temperature in the inquiry bakery.
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| CN2009100384458A CN101526256B (en) | 2009-04-03 | 2009-04-03 | Air conditioning controller special for curing tobacco and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100384458A CN101526256B (en) | 2009-04-03 | 2009-04-03 | Air conditioning controller special for curing tobacco and control method thereof |
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| CN101526256B true CN101526256B (en) | 2011-04-27 |
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| CN101949764B (en) * | 2010-08-09 | 2012-06-20 | 郑州树仁科技发展有限公司 | Wet-bulb temperature measuring device in drying experiment |
| CN102620382A (en) * | 2012-03-23 | 2012-08-01 | 广东美的制冷设备有限公司 | Sound sleep curve inquiring and setting device of air conditioner and control method of device |
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| CN103549639B (en) * | 2013-11-06 | 2017-03-15 | 赵子铨 | Heat carrier superelevation intensive flue-cured tobacco bakery |
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| CN106017048B (en) * | 2016-05-11 | 2018-10-26 | 海信（山东）空调有限公司 | The dried recovered circulatory system and control method |
| CN110048472B (en) * | 2018-01-15 | 2023-10-03 | 上银科技股份有限公司 | Standby power supply operation method of controller |
| CN109430922A (en) * | 2018-09-20 | 2019-03-08 | 东莞市正旭新能源设备科技有限公司 | Air heat source pumps more plants and integrates baking system |
| CN110854951B (en) * | 2019-11-12 | 2021-04-09 | 珠海格力电器股份有限公司 | Power supply system for high-power air conditioner wire controller, air conditioner and power supply method |
| CN111158257B (en) * | 2020-01-10 | 2021-05-28 | 珠海格力电器股份有限公司 | Control method and device of wire controller, wire controller and electrical equipment |
| CN113712233B (en) * | 2020-05-26 | 2022-07-29 | 青岛海信日立空调***有限公司 | Drying equipment |
| CN113720111B (en) * | 2020-05-26 | 2023-03-28 | 青岛海信日立空调***有限公司 | Drying equipment |
| CN113551401B (en) * | 2021-07-19 | 2022-06-14 | 珠海格力电器股份有限公司 | Temperature and humidity detection device and method and evaporative refrigeration equipment |
| CN114873190B (en) * | 2022-05-11 | 2024-05-07 | 河北白沙烟草有限责任公司 | Error-preventing monitoring device and method for tobacco shred entering cabinet |
| CN115711527A (en) * | 2022-11-11 | 2023-02-24 | 郑州龙兴物联科技有限公司 | Baking system based on heat pump controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201416981Y (en) * | 2009-04-03 | 2010-03-03 | 广东美的电器股份有限公司 | Special air-conditioner controller for tobacco curing |
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| CN201416981Y (en) * | 2009-04-03 | 2010-03-03 | 广东美的电器股份有限公司 | Special air-conditioner controller for tobacco curing |
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