JPH07234072A - Grain drying time setting device for grain dryer - Google Patents

Abstract

(57) [Summary] [Purpose] Even if the dryer does not have a moisture sensor installed and the finish target moisture setting is set to off and the drying time set by the timer is canceled by mistake during drying, Is to be automatically stopped. [Constitution] In a dryer in which the moisture sensor 2 is not mounted, the finish target moisture is set to off and the timer 35 '
When the set drying time is released by the operation of the function setting means 32a, the timer 35 'is set and controlled for a fixed time, and the drying of the grain is continued and stopped for the fixed time. [Effect] Even if the drying time set to the timer 35 'is mistakenly released during the drying operation, the drying is stopped by the timer 35' by setting the fixed time again.

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, various function setting means of an operating device of a grain dryer are operated to set various functions, and the various set functions are set by the operating device. The operator sets the setting functions while displaying them on the display means, and operates the function setting means for starting the drying operation, whereby the dryer is started, and the grain is started. Grains stored in the storage chamber, while being circulated by flowing out the grain drying chamber from this storage chamber,
When the drying air passes through the drying chamber, the drying air is exposed to the drying air and is dried, and if the dryer is a model without a moisture sensor, the timer is set by the operation of the function setting means. When the drying time has elapsed, the dryer is automatically stopped to stop the drying of the grain.

At the time of this drying operation, a dryer of a model without a moisture sensor is attached, and the finishing target moisture is set to off by operating the function setting means, and the grain is dried. The drying time set in the timer during
When the function setting means is operated by mistake and the set drying time is released, the dryer does not stop the timer and the grains being dried are overdried. It is intended to eliminate.

[0004]

According to the present invention, while the grain is being fed from the grain storage chamber 7 in the upper portion to the grain drying chamber 8 in the lower portion, it is provided so as to be dried by a dry air, and the drying operation is controlled. An operating device 14 is provided, and a display means 31 for displaying various items on the surface of the operating device 14 and a plurality of function setting means 32 for setting multiple functions and changing the settings.
a, 32b, 32c, 32d, and stopping means 3 for stopping
3, and the function setting means 32a, 32b, 32c, 3
Each operation such as sticking, drying, discharging is started by operating 2d or inputting communication data, and the drying time set in the timer 35 'by operating the function setting means 32b, 32c is set by the setting means 32a. In the grain dryer provided to be released by the operation of, when the setting of the finishing target moisture of the grain is not operated and set, the grain moisture detected by the moisture sensor 2 reaches the finishing target moisture. Then, when the moisture sensor 2 for stopping the dryer is not mounted, the drying time set in the timer 35 'is set to the function setting means 32a.
When it is released by the operation of, the grain drying time setting device of the grain drying machine is characterized in that a control device 34 for setting a fixed time to the timer 35 'is provided.

[0005]

The operation and effect of the present invention: Various function setting means 32a, 32b, 32c, 32d of the operating device 14 of the grain dryer are operated to set various functions. By displaying the display means 31, the operator sets while checking these various setting functions,
By operating the function setting means 32b for starting the drying operation, the dryer is started, and the grains stored in the grain storage chamber 7 are transferred from the storage chamber 7 to the grain drying chamber 8. While being delivered and circulated, the dry air passes through the drying chamber 8 to be exposed to the dry air and dried.
If the dryer is a model in which the moisture sensor 2 is not attached, the operation of the function setting means 32a and 32b causes
When the drying time set in the timer 35 'elapses, the dryer is automatically stopped by the controller 34, and the drying of the grain is stopped.

At the time of this drying operation, the dryer is of a model in which the moisture sensor 2 is not attached, and the finish target moisture is set to off by operating the function setting means 32c. Is being dried, the drying time set in the timer 35 'is erroneously operated by the function setting means 32a,
When the set drying time is released, the controller 34
Then, a predetermined fixed time is set in the timer 35 ', and the drying work is continued for the fixed time to dry the grain, and after this fixed time elapses, the dryer is automatically stopped by the control means 34. , The drying of the grain is stopped.

Due to the above, the timer 3 is mistakenly used during the drying operation.
Even when the drying time set to 5'is released, the fixed time is set to the timer 35 'again to continue the drying of the grain, and the timer 35' can always be operated and stopped. This allowed the grain to be prevented from becoming over-dried.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 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.
The figure shows a state in which a moisture sensor 2 for detecting moisture in the grain, a burner 3 for generating hot air, and the like are attached. 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 left and right air exhaust chambers 9 and 9 and the central air blowing chamber 10, and below these 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 provided on the front side of the front machine wall 4 so as to correspond to the inlet side of the blower chamber 10. It is detachably installed on the outer surface of the machine wall 4, and also has a dryer 1 and a moisture sensor 2
Also, 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 the rear exhaust wall 9, the exhaust passage chamber 16 provided to communicate with the left and right exhaust chambers 9, 9 at the central rear exhaust duct 17, and on the rear side wall 4. Is this blower 15
An exhaust fan motor 18 for rotating the fan is provided. The valve motor 19 drives the delivery valves 11, 11 to rotate via a speed reduction mechanism.

The fuel pump 20 has a fuel valve,
The burner case 13 is provided on the outside of the lower plate, and by opening and closing the fuel valve, 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 speed changer fan motor 23 so that combustion air corresponding to the supplied fuel amount is blown to the burner 3 by the blower 22. The burner 3
The hot air generated from the air and the outside air passing through the burner case 13 are mixed to become dry hot air.

The diffusing 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 a 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 of No. 2 is rotationally driven, and receives the grains falling while being conveyed to the upper part by the bucket conveyor 26, and while crushing the grains by pressure, the moisture of the crushed grains is detected.

The operating device 14 has a box shape, and a display means 31 for displaying various items, for example, in a liquid crystal format on the surface plate of the box body. Below the display means 31, the dryer 1 is provided. O with multiple push-button methods to set various functions
Functional means 32a, 32b, 32 of N-OFF switch
c, 32d stop means 33 for stopping and alarm device 3
3'is provided and these function setting means 32a, 32b, 32
Various functions set by operating c and 32d are displayed on the display unit 3.
It is displayed to 1.

The function display of these function setting means 32a, 32b, 32c, 32d before the start of each work of loading, drying and discharging is displayed on the loading, drying, discharging and changing and display means 31 as shown in FIG. ing. Also, these function setting means 32a, 32 for setting the grain type, the drying mode, etc.
The function display of b, 32c and 32d is displayed on the display means 31 as grain, mode, change and return as shown in FIG.

The control device 34 and the timer 35 'are provided in the operating device 14, and the control device 34 includes a grain drying time setting device 34'.
Is a digital input circuit A to which the detection input of the paddy flow sensor 35, the input of digital information, the operation of each function setting means 32a, 32b, 32c, 32d and the stopping means 33 are input.
36, the input of analog sensor information, the analog input circuit 38 into which the detection values detected by the moisture sensor 2 and the hot air temperature sensor 37 are input, the AD conversion circuit 39, the serial data receiving circuit 40, and the memory clear 41. Digital input circuit B42, each of these input circuits 36, 38, 39, 4
Dryer control microcomputer 43 and memory 44 for performing arithmetic logic operation and comparison operation on inputs from 0 and 42, and start and stop of the exhaust fan motor 18 via the output circuit A45 in response to commands from the dryer control microcomputer 43. Control and output circuit B
The valve motor 19 and the upgrade machine motor 29 are started and stopped through 46, the fuel valve and the fuel pump 20 are started, stopped and adjusted through the output circuit C47, and the blower motor is sent through the output circuit D48. 23 is started, stopped and regulated, the moisture motor 30 is started and stopped by an output circuit E49, and the timer 35 'is outputted by an output circuit F49'.
And the alarm device 33 'is controlled to start and stop, and the display circuit 5
Various items are controlled to be displayed on the display means 31 via 0, and the serial data transmission circuit 51 and the non-volatile memory 52 are provided.

The operation of the above embodiment will be described below. Each function setting means 32a, 32b, 3 of the operating device 14
2c and 32d are operated to confirm and set various items as shown in FIG. 7, various set values are set as shown in FIG. 8, the screen is returned to FIG. 7, and the function setting means 32b for starting drying is set. The grain dryer 1 is started by operating the burner 3
Hot air is generated from the air, and the dry hot air in which the hot air and the outside air are mixed passes from the air blowing chamber 10 through the grain drying chambers 8 and 8 and through the air exhaust chambers 9 and 9 and the air exhaust passage chamber 16. The exhaust fan 15 sucks and exhausts the air. It is detected whether the drying operation is started (step 101), and if NO is detected, the process returns to step 101. If YES is detected, the moisture sensor 2 is not attached (step 102). If YES is detected, a predetermined fixed time is set as the drying time in the timer 35 '(step 103), and the grain storage chamber is set. Grains stored in 7 are exposed to dry hot air while being dried from the storage chamber 7 in the drying chambers 8 and 8 and dried, and are fed by the feeding valves 11 and 11 to flow down. From the grain collecting gutter 12 through the supply gutter 28, is fed by the lower transfer spiral into the grain raising machine 25, is conveyed to the upper part by the bucket conveyor 26, and is transferred from the throw-out cylinder 27 to the diffusion board 24 through the transfer gutter 5 through the transfer gutter 5. Are transported and supplied by the transfer spiral of the above, and are uniformly diffused and reduced into the storage chamber 7 by the diffusion plate 24, and circulated and dried (step 104).

If NO is detected in step 102, it is detected whether or not the set finishing target moisture is off (step 105), and Y
If ES is detected, the process proceeds to step 103. If NO is detected, the process proceeds to step 104. During the above drying operation,
It is detected whether or not the drying time set in the timer 35 'has been released (step 106), and if YES is detected, it is detected that the moisture sensor 2 is not attached (step 107), YES.
When it is detected that a predetermined fixed time is set as the drying time in the timer 35 '(resetting) (step 10).
8).

If NO is detected in step 106, the process proceeds to step 108. When NO is detected in step 107, it is detected whether or not the set finish target moisture is off (step 10).
9), if YES is detected, the process proceeds to step 108. N
When O is detected, the time set in the timer 35 'is cleared (step 110), and the process proceeds to step 108.

FIG. 9 is another operation diagram, and as in the flow chart of FIG. 9, the drying time is controlled as follows. It is detected whether the drying operation is started (step 201), and if NO is detected, the process returns to step 101. If YES is detected, it is detected that the moisture sensor 2 is not attached (step 20).
2) If YES is detected, a predetermined fixed time is set as the drying time in the timer 35 '(step 203), and an operation process for drying the grain is performed (step 204).

When NO is detected in step 202, it is detected whether the set finishing target moisture is off (step 205), and Y
If ES is detected, the process proceeds to step 203. If NO is detected, the process proceeds to step 204. During the above drying operation,
It is detected whether the drying time set in the timer 35 'has been released (step 206), and if YES is detected, it is detected that the moisture sensor 2 is not attached (step 207), and YES.
If it is detected that the alarm device 33 'is turned on (step 2
08), the setting screen of the timer 35 'is displayed as shown in FIG. 8 (step 209), it is detected whether or not the drying time is set in the timer 35' (step 210), and if NO is detected, the operation proceeds to step 208. Return. If YES is detected, the alarm device 33 'is turned off (step 211), and
The display of the setting screen of the timer 35 'is cleared (step 212).

When NO is detected in step 206, the process proceeds to step 212. If NO is detected in step 207, it is detected whether or not the set finishing target moisture is off (step 2
13) If YES is detected, the process proceeds to step 208.
If NO is detected, the drying period set in the timer 35 'is cleared (step 214), and the process proceeds to step 212.

As described above, when the timer 35 'is accidentally released during the drying operation, the alarm device 33' informs the operator through an alarm or display to prompt the resetting,
The problem that the timer 33 'does not stop can be solved.

[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 operation diagram at the start of drying in which a part of the operating device is broken.

FIG. 6 is an enlarged action diagram in which a part of the operating device can be broken.

[Figure 7] Enlarged setting confirmation screen of the operating device

[Figure 8] Enlarged set value selection screen diagram for operating measures

FIG. 9 is a flowchart of another operation.

[Explanation of symbols]

 2 moisture sensor 7 grain storage chamber 8 grain drying chamber 14 operating device 31 display means 32a function setting means 32b function setting means 32c function setting means 32d function setting means 33 stopping means 34 control device 35 'timer

Claims (1)

[Claims] 1. An operating device 14 is provided for drying with a dry air while feeding the grain from the upper grain storage chamber 7 to the lower grain drying chamber 8 and for controlling the drying operation.
A display means 31 for displaying various items, a plurality of function setting means 32a, 32b, 32c, 32d for setting various functions and changing the setting are provided on the surface of the operating device 14.
And a stop means 33 for stopping, and the function setting means 32
a, 32b, 32c, 32d or the input of communication data to start each work such as sticking, drying and discharging, and the drying set in the timer 35 'by operating the function setting means 32b, 32c. In the grain dryer provided to release the time by the operation of the setting means 32a, when the setting of the finishing target moisture of the grain is not operated and set,
And when the moisture content of the grain detected by the moisture sensor 2 reaches the finishing target moisture content, the dryer is stopped. When the moisture sensor 2 is not mounted, the drying time set in the timer 35 'is set to the function setting means 32a. A grain drying time setting device for a grain dryer, which is provided with a control device 34 for setting a certain period of time to the timer 35 'when it is released by the operation.