JPH0814754A - Grain drying time setting device for grain dryer - Google Patents

Abstract

(57) [Summary] [Purpose] This is intended to facilitate the operation of the operating device in the drying operation. [Structure] Before the drying operation is started, or at any time, the operation of the timer increasing / decreasing setting means 41a, 41b for setting and changing the time to the timer 40 is accepted. [Effect] Even before the start of the drying work operation and at any time, the operation of setting and changing the time is accepted by the timer, so that the operation is easy and simple.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain drying time setting device for a grain dryer.

[0002]

2. Description of the Related Art Conventionally, grains stored in a grain storage chamber of a grain dryer are fed from the storage chamber to the grain drying chamber and circulated while flowing down. When the dry air passes through the drying chamber, it is exposed to the dry air and dried. During this drying operation, the moisture difference between the grain moisture measured by the moisture sensor at the start of drying and the finishing target moisture set by operating the moisture setting means of the operating device is calculated, and the calculated moisture is calculated. The estimated drying time (T0) is calculated from the difference, and the estimated drying time (T0) is calculated.
0) is displayed on the display unit to perform the drying operation, and whether the grain moisture measured by the moisture sensor is the same as the finishing target moisture of the grain set by operating the moisture setting means, or the following is detected,
Alternatively, after the drying work is started, the drying time (T1) set by operating the timer increasing / decreasing means to the timer elapses, or the dryer is automatically stopped when whichever comes first,
The grain drying is stopped.

At the time of the above-mentioned drying work, the drying time (T1) is set in the timer before the drying operation is started because the scheduled drying time (T0) based on the measured grain moisture and the target finishing moisture is given priority. Was not accepted, which made it difficult to operate, but we are trying to solve this.

[0004]

SUMMARY OF THE INVENTION The present invention is provided to dry with a dry wind while circulating and circulating the grains from the upper grain storage chamber 7 to the lower grain drying chamber 8 for circulation. A moisture sensor 2 for measuring the moisture content of the grain being dried is provided, and an operating device 14 for operating the operation is provided.
Is a display unit 43 capable of displaying drying air temperature, grain moisture, drying time, etc., each starting means 31a, 31b, 31c for starting and operating each work of loading, drying, and discharging, and stopping means for stopping operation. 32, grain type setting means 35 for setting the grain type, moisture setting means 3 for setting the finishing target moisture of the grain
3, in the grain dryer provided with a stake amount setting means 37 for setting the swell amount of the grain, and timer increasing / decreasing setting means 41a, 41b for setting or changing various work times in the timer 40, The scheduled drying time (T0) calculated from the moisture difference between the grain moisture measured by the moisture sensor 2 and the finishing target moisture set by the operation of the moisture setting means 33 is displayed on the display unit 43 to perform the drying operation. , Or increase the timer to the timer 40
When the drying time (T1) is set by operating the reduction setting means 41a and 41b, the remaining time (TW) is displayed on the display unit 43 and the drying is performed for the set drying time (T1). Before starting the drying operation, the timer 40 is operated to operate the timer increasing / decreasing setting means 41a and 41b to increase the drying time (T
When 1) is set, the set drying time (T1) is displayed only for a predetermined time, and the drying time (T1) is displayed only when the starting means 31b for starting the drying operation is operated during the display. ) Control device 4 for controlling to accept
5 is provided, which is a configuration of a grain drying time setting device of a grain dryer.

[0005]

The operation and effect of the invention: The grains stored in the grain storage chamber 7 of the grain dryer are fed from the storage chamber 7 to the grain drying chamber 8 and circulated while flowing down, while the drying wind By passing through the drying chamber 8, it is exposed to the dry air and dried. During this drying operation, the moisture difference between the grain moisture measured by the moisture sensor 2 at the start of drying and the finishing target moisture set by operating the moisture setting means 33 of the operating device 14 is calculated. The expected drying time (T0) is calculated from the difference, and the expected drying time (T0) is displayed on the display unit 43 to perform the drying operation. This scheduled drying time (T0)
When changing or increasing, the timer increase / decrease setting means 41a and 41b are operated to increase or decrease.

The timer increasing / decreasing setting means 41a, 41b
When the scheduled drying time (T0) is changed by operating the and the drying time (T1) is set, the remaining time (TW)
Is displayed on the display unit 43, and the drying time (T1) whose setting has been changed is controlled by the controller 45 to dry the grain, and when the drying time (T1) whose setting has been changed has elapsed,
The controller 45 automatically stops the dryer to stop the drying of the grain.

When the drying time (T1) is set by operating the timer increasing / decreasing setting means 41a and 41b before the drying operation is started, the set drying time (T1) is controlled for a predetermined time. When the starter 31b for starting the drying operation is operated under the control of the device 45 and displayed on the display unit 43, and during this display, the set drying time (T1 ) Is the controller 4
5, the set drying time (T1) is
The grain is dried under the control of the controller 45, and when the set drying time (T1) elapses, the controller 45
The dryer is automatically stopped at and the drying of the grain is stopped.

As described above, the timer increasing / decreasing setting means 41a, before or after the start of the drying operation,
By accepting the operation of 41b, the operation device 1
The operation of 4 is easy and easy.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. The illustrated example is a circulation type grain dryer 1 for drying grains.
It shows a state in which a moisture sensor 2 for detecting moisture in the grain, a burner 3 for generating hot air, etc. are mounted. The dryer 1 has a rectangular shape that is long in the front-rear direction, and the upper part of the machine wall 4 is
A transfer trough 5 and a ceiling plate 6 in which a transfer spiral is rotatably installed are provided, and a grain storage chamber 7 for storing grains is formed below the ceiling plate 6.

The grain drying chambers 8 and 8 are provided below the storage chamber 7 between the exhaust chambers 9 and 9 on both the left and right sides and the blower chamber 10 at the center, and below the drying chambers 8 and 8. Each of the feeding valves 11 for feeding and dropping the grain is rotatably supported. The grain collecting trough 12 rotatably supports a transfer spiral and is provided below the drying chambers 8 and 8 to communicate with each other.

The burner 3 is installed inside a burner case 13, and the burner case 13 is detachably attached to the outer surface of the front machine wall 4 on the front side of the front machine wall 4 so as to correspond to the inlet side of the blower chamber 10. Installed in the dryer, the dryer 1, the moisture sensor 2
Further, an operating device 14 for starting and stopping the burner 3 and the like for each work of loading, drying and discharging is detachably provided on the outer surface of the front machine wall 4.

The exhaust fan 15 is provided on a central rear air exhaust cylinder 17 of an exhaust passage chamber 16 provided to communicate with the exhaust chambers 9, 9 on the left and right sides of the rear machine wall 4. An exhaust fan motor 18 that rotationally drives the exhaust fan 15 is provided on the wall 4.
The valve motor 19 rotationally drives the delivery valves 11, 11 via a speed reduction mechanism.

The fuel pump 20 has a fuel valve,
The fuel pump 20 is provided outside the lower plate of the burner case 13, and the fuel in the fuel tank 21 is sucked by the fuel pump 20 and supplied to the burner 3. Blower 22
Is provided on the outer side of the upper plate and is rotationally driven at a variable speed by a fan motor 23 for speed change so that combustion air commensurate with the amount of fuel supplied is blown by the fan 22 to the burner 3. The burner 3
This is a configuration in which the hot air generated from the air and the outside air passing through the burner case 13 are mixed into dry hot air.

The diffusion plate 24 is provided at the center of the bottom plate of the transfer gutter 5 in the front-rear direction and below the supply port for supplying the transfer grains to the storage chamber 7 to uniformly diffuse and reduce the grains to the storage chamber 7. ing.
The grain-raising machine 25 is provided on the outer side of the front side machine wall 4, is provided with a belt with a bucket conveyor 26 stretched inside, and an upper end portion is provided with a throw-out cylinder 27 between the transfer gutter 5 and the starting end portion. The lower end portion is provided with a supply gutter 28 between the lower end portion and the terminal end portion of the grain collecting trough 12 for communication.

The grain elevator motor 29 is used for the bucket conveyor 2
The belt with 6 and the transfer spiral in the transfer gutter 5 and the transfer spiral in the diffusing plate 24 and the grain collecting gutter 12 are rotationally driven. The moisture sensor 2 is provided substantially vertically in the center of the grain raising machine 25. The moisture sensor 2 is rotated by the moisture motor 30 when an electric measurement signal is transmitted from the operating device 14. Each part is driven to rotate, and bucket conveyor 2
At 6, the grain falling during the transportation to the upper part is received, and the moisture of the crushed grain is detected while the grain is crushed under pressure.

The operating device 14 is of a box type and is of a push button type in which the dryer 1, the moisture sensor 2, the burner 3 and the like are placed on the surface plate of the box body and the starting operation is performed for each operation of drying and discharging. Each ON-OFF switch starting means 31a, 31
b, 31c, stopping means 32 for stopping operation, moisture setting means 33 for setting the finishing target moisture of the grain, respective display lamps 34 for each moisture, grain type setting means 35 for setting the hot air temperature generated from the burner 3, Indicators for each type of grain 3
6, the amount of swelling amount setting means 37 for setting the amount of spilled grains, the respective display lamps 38 for both the number of stones and ventilation drying, the moisture correction means 39 for correcting the grain moisture value, and the set time of the timer 40. Timer increase / decrease setting means 41a, 41 for increasing or decreasing
b, a buzzer stop means 42, a display section 43 for digitally displaying various display items, a monitor display lamp 44, and the like are provided.

The control device 45 and the timer 40 are provided in the operating device 14, and detect the paddy flow sensor 46, input digital sensor information, and each means 31a, 31b, 31c ,.
32, 33, 35, 37, 39, 41a, 41b, 42
Of the digital input circuit (A) 47, the moisture sensor 2, the hot air temperature sensor 48, and the analog input circuit 49, to which the analog sensor information is input.
Digital input circuit (B) 5 to which the -D conversion circuit 50, serial data receiving circuit 51, and memory clear 52 are input
3, a dryer control microcomputer 54 and a memory 55 that perform arithmetic logic operations and comparison operations on the inputs from these circuits 47, 49, 50, 51, 53, and an output circuit (A) in response to a command from the dryer control microcomputer 54. ) 56 to control start and stop of the exhaust motor 18, valve motor 19 and grain elevator motor 30, and start, stop and adjust control of the fuel valve, fuel pump 20 and blower motor 23 via the output circuit (B) 57. Then, the moisture motor 30 is controlled to start and stop through the output circuit (C) 58, various items are displayed on the display unit 43 through the display circuit 59, and the operation of the buzzer 61 is controlled through the output circuit (D) 60. It is configured by a serial data transmission circuit 62, a non-volatile memory 63, and the like.

The setting of the drying time (T1) to the timer 40 before the ON operation of the starting means 31b for starting the drying is possible, but the setting of the drying time (T1) is set on the display unit 43. To the starting means 31b
The drying time (T
1) is set as the drying time. Hereinafter, the operation of the above embodiment will be described.

Each setting means 33, 35, 3 of the operating device 14
7 is operated according to the predetermined display positions of the respective display lamps 34, 36, 38 to set various items, and the grain drying work is performed by S.
TART is performed (step 101), the timer increasing / decreasing setting means 41a and 41b are operated, and it is detected whether or not the drying time (T1) is set in the timer 40 (step 102).
If NO is detected, the process returns to step 102. When YES is detected, the set drying time (T1) is displayed on the display unit 43 (step 103), and it is detected whether the starting means 31b for starting the drying operation is turned ON (step 10).
4) If NO is detected, it is detected whether a predetermined time has passed (step 105), and if NO is detected, step 10 is performed.
Return to 3. If YES is detected, set drying time (T1)
Is cleared (step 106) and step 10
Return to 2.

When YES is detected in step 104, the drying time (T1) is set as the drying time (step 107), the outputs of the motors 18, 19, 29 and 30 are turned on (step 108), and the fuel valve of the combustion system is set. , The fuel pump 20 and the blower motor 23 are turned on (step 1
09), each part of the grain dryer 1 is started, hot air is generated from the burner 3, and the dry hot air in which the hot air and the outside air are mixed passes through the grain drying chambers 8 and 8 from the blower chamber 10. do it,
After passing through the exhaust chambers 9 and 9 and the exhaust passage chamber 16, the exhaust device 15 sucks and exhausts the air and dries the hot air.

The grains stored in the grain storage chamber 7 are exposed to dry hot air and dried while flowing down from the storage chamber 7 into the drying chambers 8 and 8, respectively. It is fed out and flows down, and from the grain collecting gutter 12 through the supply gutter 28, the grain raising machine 2
5 is transferred and supplied by the lower transfer spiral to the inside of 5, and is transferred to the upper part by the bucket conveyor 26, and is transferred and supplied by the upper transfer spiral from the ejection cylinder 27 through the transfer gutter 5 and onto the diffusion plate 25 by the diffusion plate 25. It is uniformly diffused and reduced into the storage chamber 7 and circulated and dried.

The set drying time (T1) is sequentially subtracted (step 110), the moisture content of the grain is measured by the moisture sensor 2 (step 111), and RET is performed (step 112). When the moisture sensor 2 detects the grain moisture which is equal to or less than the finishing target moisture set by the operation of the moisture setting means 33, it is determined that the drying is completed and the controller 45
Automatically controls the dryer 1 to automatically stop the drying of the grain.

FIG. 6 is a diagram showing another operation. As shown in the flowchart of FIG. 6, in the display of the expected drying time (T0), the timer 40 is activated before the start-up means 31b for starting the drying is turned on. When the drying time (T1) is set, the set remaining time (TW) is set for the specified time immediately after the start of drying.
Is controlled as follows. STAR for grain drying
T is set (step 201), and timer increasing / decreasing setting means 41
When a and 41b are operated, the drying time (T
It is detected whether the setting of 1) is present (step 202), and NO.
When it is detected, the process returns to step 202. When YES is detected, the drying time (T1) set in the timer 40 is stored in the memory 55 through the non-volatile memory 63 (step 203), and it is detected whether the starting means 31b for starting the drying operation is turned ON ( Step 204) returns to step 202 if NO is detected. If YES is detected, the drying time (T
1) is read (step 205) and the timer 40
The drying time (T1) set to is displayed on the display unit 43 for a predetermined time (step 206), and the motors 18, 19, 29,
30 outputs are turned on (step 207), the combustion system fuel valve, the fuel pump 20, and the blower motor 23 outputs are turned on (step 208), each part of the grain dryer 1 is started, and hot air is generated from the burner 3. The dried hot air in which the hot air and the outside air are mixed causes the grains to be circulated and dried through the same steps as described above.

The set drying time (T1) is sequentially subtracted (step 209), the timer 40 is detected for 0 hour (step 210), and if NO is detected, the process returns to step 209. If YES is detected, the fuel valve of the combustion system, the fuel pump 20, and the blower motor 23 output O
FF is performed (step 211), and the motors 18, 19,
29 and 30 outputs are turned off to stop the respective parts of the dryer 1, the generation of hot air from the burner 3 is stopped, and the drying of the grain is stopped (step 212), and it is stored in the memory 55. The drying time (T1) is cleared (Step 2
13) and RET is performed (step 214).

FIG. 7 is a diagram showing another operation. As in the flow chart of FIG. 7, the acceptance of the drying time (T1) set in the timer 40 is controlled as follows. The grain drying operation is started (step 301), and it is detected whether or not the grain loading operation is in progress (step 302).
If it is detected, the process returns to step 302. If YES is detected, the moisture value of the grain measured by the moisture sensor 2 and the moisture variation are detected from this moisture value (step 303), and it is detected whether the grain dryer 1 is stopped (step 304), NO.
If it is detected, the process returns to step 303. If YES is detected, the moisture data is stored in the memory 55 through the non-volatile memory 63 (step 305), and it is detected whether or not the drying time (T1) is set in the timer 40 (step 306).
If NO is detected, the process returns to step 306. When YES is detected, the grain type set by operating the grain type setting means 35 is determined (step 307), and the moisture setting means 3 is set.
The finishing target moisture value of the grain set by operating 3 is determined (step 308), the initial grain moisture data stored in the memory 55 is read (step 309), and the initial grain moisture and the finishing target moisture are read. The estimated drying time (T0) is calculated from (step 310), the estimated drying time (T0) is compared with the drying time (T1) set in the timer 40 (step 311), and the drying time (T1) is calculated. If it is small (step 312) and YES is detected, the drying time (T1) set in the timer 40 is displayed on the display unit 43 for a predetermined time (step 313), and the drying time set in the timer 40 is displayed. (T1) is stored in the memory 55 through the nonvolatile memory 63 (step 314), and RET
(Step 315).

When NO is detected in step 312, the drying time (T1) and the scheduled drying time (T0) set in the timer 40 are alternately displayed on the display unit 43 for a predetermined time (step 316), and step 315. Go to. FIG.
Is a diagram showing another operation. As shown in FIG. 8, reception of the drying time (T1) set in the timer 40 is controlled as follows. Start from the grain drying operation (step 4
01), it is detected whether the drying time (T1) is set in the timer 40 (step 402), and if NO is detected, the process returns to step 402. If YES is detected, the drying time (T1) is stored in the memory 55 through the non-volatile memory 63 (step 403), and the starting means 31 for starting the drying operation is started.
It is detected whether b is turned on (step 404), N
If O is detected, the process returns to step 402. If YES is detected, the outputs of the motors 18, 19, 29, 30 are turned on (step 405), and the outputs of the combustion system fuel valve, the fuel pump 20, and the blower motor 23 are turned on (step 40).
6) Each part of the grain dryer 1 is started, hot air is generated from the burner 3, and the dried hot air mixed with the hot air and the outside air circulates and dry the grain through the same steps as described above.

Grain moisture is measured by the moisture sensor 2 (step 407), the moisture value is calculated and displayed on the display unit 43 (step 408), and the finishing target moisture set by the operation of the moisture setting means 33 is read. (Step 40)
9) The scheduled drying time (T0) is calculated by the measured moisture and the finishing target moisture and displayed on the display unit 43 (step 410), and the drying time (T1) and the scheduled drying time (T0) in the memory 55 are calculated. Are compared (step 411), and the drying time (T1) <scheduled drying time (T0) is detected (step 412). When YES is detected, the drying time (T1) is set as the drying time (step 413). The drying time (T1) is sequentially subtracted, and the remaining time (TW) is displayed on the display unit 43 (step 414) and RET (step 415).

When NO is detected in step 412, the drying time (T1) in the memory 55 is cleared (step 4
16), the scheduled drying time (T0) is calculated (step 417), and the process proceeds to step 415. FIG. 9 is a diagram showing another operation. As shown in FIG. 9, when the malfunction of the moisture sensor 2 occurs during the drying operation, the grain moisture display and the scheduled drying time display are controlled as follows. Grain drying work is STA
After RT (step 501), it is detected whether the moisture sensor 2 is abnormal (step 502), and if NO is detected, the process returns to step 502. If YES is detected, the moisture sensor 2
Is displayed on the display unit 43 (step 50).
3) The output of the combustion system fuel valve, the fuel pump 20, and the blower motor 23 is turned off (step 504), and it is detected whether a predetermined time has elapsed (step 505). If NO is detected, the process returns to step 505. When YES is detected, the outputs of the motors 18, 19, 29 and 30 are turned off to stop the respective parts of the grain dryer 1 and also the generation of hot air from the burner 3 is stopped (step 506), and the moisture sensor 2 The moisture content of the grain measured in
It is stored inside (step 507) and it is detected whether or not the starting means 31b for starting the drying operation is turned on (step 508). If NO is detected, the process returns to step 508. If YES is detected, the moisture sensor 2 is detected (step 509), and if NO is detected, the memory 55 is detected.
The grain moisture value stored in the memory is read out (step 51
0), both the finishing target moisture and the grain type set by operating the moisture setting unit 33 and the grain type setting unit 35 are determined (step 511), and the estimated drying time (from the measured grain moisture and the finishing target moisture) ( T0) is calculated (step 51)
2) Both of the grain moisture and the scheduled drying time (T0) are alternately displayed at the predetermined time interval on the display unit 43 (step 513), and the grain moisture value stored in the memory 55 is stored. Is cleared (step 514), the output of the fuel valve of the combustion system, the fuel pump 20, and the blower motor 23 is turned on, and the output of each of the motors 18, 19, 29, 30 is turned on, and each part of the dryer 1 is turned on. Started and the burner 3
Hot air is generated from the hot air and the dry hot air in which the hot air and the outside air are mixed causes the grain to be circulated and dried through the same process as described above (step 515) and RET (step 51).
6).

If YES is detected in step 509, the process proceeds to step 514, and steps 514 and 51 are executed.
5 and to step 516.

[Brief description of drawings]

 The figure shows an embodiment of the present invention.

FIG. 1 Flow chart

FIG. 2 is a block diagram.

[Fig. 3] Side view of the grain dryer that can be partially broken

FIG. 4 is an enlarged sectional view taken along line AA of FIG.

FIG. 5 is an enlarged front view in which a part of the operating device is broken.

FIG. 6 is a flowchart showing another operation diagram.

FIG. 7 is a flowchart showing another operation diagram.

FIG. 8 is a flowchart showing another operation diagram.

FIG. 9 is a flowchart showing another operation diagram.

[Explanation of symbols]

 2 Moisture Sensor 7 Grain Storage Chamber 8 Grain Drying Room 14 Operating Device 31a Starting Means 31b Starting Means 31c Starting Means 32 Stopping Means 33 Moisture Setting Means 35 Grain Type Setting Means 37 Squeeze Amount Setting Means 40 Timer 41a Timer Increasing Means 41b Timer decrease setting means 43 Display unit 45 Control device

Claims (1)

[Claims] 1. The moisture content of the grain during circulation drying is measured by providing the grain drying chamber 8 while the grain is fed from the upper grain storage chamber 7 to the lower grain drying chamber 8 and circulated while being circulated. An operating device 1 for driving and operating a moisture sensor 2 for
4, the operating device 14 has a drying air temperature, grain moisture,
And a display unit 43 capable of displaying the drying time, the sticking, the drying,
Starting means 31a, 3 for starting each operation of discharging and discharging
1b and 31c, stop means 32 for stopping operation, grain type setting means 35 for setting grain type, moisture setting means 33 for setting target finishing moisture of grain, and swelling amount setting means for setting swelling amount of grain. 37 and timer increasing / decreasing setting means 41a, 41 for setting or changing various working times in the timer 40
In the grain dryer provided with b, the scheduled drying time (T) calculated from the moisture difference between the grain moisture measured by the moisture sensor 2 and the finishing target moisture set by the operation of the moisture setting means 33.
0) is displayed on the display unit 43 to perform the drying operation, or when the drying time (T1) is set in the timer 40 by operating the timer increasing / decreasing setting means 41a and 41b, the remaining time (TW) is set. ) Is displayed on the display unit 43 and drying is performed for the set drying time (T1), and the timer increasing / decreasing setting means 41a and 41b are set to the timer 40 before the drying operation is started.
When the drying time (T1) is set by the operation, the starting means 31b for displaying the set drying time (T1) for a predetermined time and for starting the drying operation during the display.
A grain drying time setting device for a grain dryer, which is provided with a control device 45 for controlling so as to receive the drying time (T1) only when is operated.