JPH04263782A - Operating device for grain drier - Google Patents

Abstract

PURPOSE:To prevent the malfunction of a grain drier and clear the operation of the same. CONSTITUTION:The kind of working, indicated in an indicating device 2 provided on the surface plate 1 of an operating device, is selected by operating a selecting device 3. Drying conditions, such as stopping moisture, the amount of charging and the starting of drying which are indicated in said indicating device 2, are selected by operating said selecting device 3 while indicating the work on the indicating device. The kind of work and drying conditions can be set while indicating it by the operation of the selecting device 3 whereby the accurate operation of the grain drier can be effected.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to an operating device for a grain dryer.

0002

[Prior Art] Conventionally, the operation device for a grain dryer has a start switch and a stop switch on the surface plate for each work item, such as loading work for drying grains, drying work, and discharge work. A stop switch is provided, and the drying condition items such as stop moisture can be set according to the operating position.Moisture setting picking, grain type setting picking and filling amount setting picking, and pre-drying, which can set the hot air temperature generated from the burner depending on the operating position. There is also a display device that alternately displays the hot air temperature, grain moisture content, remaining drying time, etc., as well as internal controls for operating each of the switches and the settings. It was an operating device equipped with a drying control device that received input and controlled it.

0003

[Problem to be Solved by the Invention] When drying grains stored in a grain dryer, the moisture setting knob, grain type setting knob, and loading amount setting knob are operated to predetermined positions. When a start switch is operated to start drying, the dryer is started, and the grains are repeatedly circulated within the dryer, and the grains being circulated are exposed to hot air and dried.

[0004] During this drying, when the grain moisture reaches the stop moisture set by operating the moisture setting knob, the dryer is automatically controlled and stopped by the drying control device, and the drying of the grains is stopped. . At the start of this drying work, there have been cases where the operation positions of the setting grips are erroneously operated, but this is intended to prevent such erroneous operations and to clarify the operations.

[0005]

[Means for Solving the Problems] The present invention provides information on each work item, such as drying the grains, drying work, and discharge work, as well as the finishing target moisture content and the amount of grains put on the surface plate. A display device 2 for displaying each condition item of drying conditions, etc., and a plurality of selection devices 3 for selecting both each work item and each condition item are provided. The operating device for a grain dryer is characterized in that it includes a drying control device 4 that receives and controls operation inputs.

[0006]

Effects of the Invention When performing drying work to dry the grains stored in the grain dryer, the work items can be selected from the display of loading, drying, and discharging displayed on the display device 2 of the surface plate 1 of the operating device. Select drying by operating the selection device 3, and then select the stop moisture by operating the selection device 3 from the drying condition items displayed on the display device 2, such as stop moisture, filling amount, and drying start. Select the filling amount by operating the display device 2 and display it on the display device 2 in the same way as above by operating the selection device 3. When the selection device 3 is operated, the dryer is started, and the grains are repeatedly circulated within the dryer, and the grains being circulated are exposed to hot air and dried. During this drying, the display device 2 displays information such as stop moisture, amount of filling, and drying.

During this drying, when the grain moisture reaches the stop moisture selected and set by the operation of the selection device 3, the dryer is automatically controlled by the drying control device 4 to stop and dry the grains. will be stopped.

[0008]

[Effect of the Invention] According to the present invention, the amount of grain to be loaded for setting work items, grain stopping moisture, hot air temperature, etc. can be displayed on the display device 2 by operating the selection device 3, and from this display. By selecting and setting the settings, it was possible to avoid erroneous operations and to simplify the operations.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The illustrated example shows a circulating grain dryer 5 that dries grain.
2 shows a state in which an operating device 6 for starting and stopping the dryer 5 is removably attached. This dryer 5 has a rectangular shape that is long in the front and back direction, and has a transfer gutter 7 and a ceiling plate 8 in which a transfer spiral is rotatably installed on the upper part of the machine wall 9.
A storage chamber 1 for storing grains is provided below the ceiling plate 8.
0 is formed.

On the lower side of the storage chamber 10, left and right drying chambers 13, 13 are provided between the left and right ventilation chambers 11, 11 and the central ventilation chamber 12.
3, 13 At the bottom is a feeding valve 1 that feeds out the grains and lets them flow down.
4 and 14 are rotatably supported. This drying chamber 13,
13 Grain collection gutter 15 with rotatable transfer spiral installed on the lower side
The structure is such that they communicate with each other.

On the front side of the machine wall 9, the ventilation chamber 1
Burner 1 is installed on the outer surface of this machine wall 9 to correspond to the 2 inlet side.
A burner case 17 containing a burner 16 and a moisture sensor 18 and the operation device 6 for starting and stopping the dryer 5 are detachably attached. Further, on the rear side of the machine wall 9, there is formed an air exhaust passage chamber 19 that can communicate with the left and right exhaust air chambers 11, 11, and this air exhaust passage chamber 19 has a central rear side air exhaust barrel 20.
An exhaust fan 21 and an exhaust fan motor 22 for rotationally driving the exhaust fan 21 are provided.

23 is a valve motor which drives the delivery valve 14.
, 14 are configured to be rotationally driven via a deceleration mechanism 24. A fuel pump 25 having a fuel valve is provided on the outside of the lower plate of the burner case 17, and the fuel pump 25 sucks fuel in the fuel tank 26 and supplies it into the burner 16 by opening and closing the fuel valve. A variable-speed blower motor 28 for rotating the blower 27 at variable speeds is provided on the outside of the upper plate, and the blower 27 blows combustion air into the burner 16 in accordance with the amount of fuel to be supplied.

[0013] In the central part of the bottom plate of the transfer gutter 7 in the longitudinal direction,
A supply port for supplying the transferred grains into the storage chamber 10 is provided,
A diffusion plate 29 is provided below the supply port to uniformly diffuse and return the grains into the storage chamber 10. The grain raising machine 30 is provided outside in front of the machine wall 9, and has a belt with a bucket conveyor 31 stretched inside, and the upper end part is
A discharge tube 32 is provided between the starting end of the transfer gutter 7 and communicated therewith, and a supply gutter 33 is provided between the lower end and the terminal end of the grain collection gutter 15 for communication.

Reference numeral 34 denotes a grain hoist motor, which is configured to rotationally drive the belt attached to the bucket conveyor 31, the transfer spiral in the transfer gutter 7, the spreading plate 29, etc. The spiral is configured to be rotationally driven via a belt attached to the bucket conveyor 31. The grain raising machine 3
The moisture sensor 18 for detecting grain moisture is provided approximately in the vertical center of the grain. Each part of the moisture sensor 18 is rotationally driven to receive grains falling while being transported to the upper part by the bucket conveyor 31, crush the grains under pressure, and simultaneously detect the moisture content of the crushed grains. .

The operating device 6 has a box shape, and a display device 2 consisting of a liquid crystal or the like is provided on a surface plate 1 of the box, and a selection device 3 is provided below the display device 2. Three push-button operation switches 36, 37, and 38 are arranged in a row in the horizontal direction. Inside the operating device 6, the moisture sensor 18 and the hot air temperature sensor 39 are installed.
An A-D converter 40 that performs A-D conversion on the detected value detected by the
An input circuit 41 to which the converted value converted by this A-D converter 40 is input, an input circuit 42 to which the operation of the operation switches 36, 37, 38 is input, and each of these input circuits 41, 4
The drying control device 4 includes a CPU 43 that performs arithmetic and logical operations and comparison operations on various input values input from the drying device 2, and an output circuit 44 that receives and outputs various commands from the CPU 43.

The operation and control of starting and stopping the dryer 5 by the drying control device 4 is performed as follows. That is, the first display, as shown in FIG. 38, and a discharge display is displayed above the work item 38, and the work item is selected by operating the operating switches 36, 37, and 38 corresponding to the work item to be started.

When starting the staking work, by operating the operation switch 36 below the staking display, the dryer 5 starts the various parts necessary for the staking work, and at the same time 4, the display device 2 displays a stop operation and the operation switch 36 is displayed above the operation switch 36. When the stakeout operation is completed,
By operating the operation switch 36, the dryer 5
The structure is such that all operating parts are stopped.

When starting the drying operation, by operating the operation switch 37 below the "DRY" display, the drying operation in the dryer 5 is selected, and at the same time, the display device 2 is turned on as shown in FIG. To select the condition item, a stop moisture display is displayed at the upper position of the operation switch 36, a filling amount is displayed at the upper position of the operation switch 37, and the operation switch 38 is displayed.
By operating the operation switch 36, the display device 2 displays a drying start display at the upper position of the display device 2.
are displayed in sequence, and when the same numerical value as the moisture to be stopped is displayed, when the operation of the operation switch 36 is stopped, the displayed numerical value at the time of stopping is set as the stopped moisture. By operating the operation switch 37 in the same way as the operation switch 36, the amount of filling on the display device 2 can be changed to 1400, 1600, 1800, 2000...
... will be displayed sequentially, and when the same value as the amount of tension is displayed,
When the operation of the operation switch 37 is stopped, the displayed numerical value at the time of the stop is set as the injection amount, and the temperature of the hot air generated from the burner 16 is set by this setting. By operating the operation switch 38, the dryer 5 is configured to start each part necessary for drying work.

When starting the discharge work, by operating the operation switch 38 below the "discharge" display, the dryer 5 starts the various parts necessary for the discharge work, and at the same time starts the dryer 5 as shown in FIG. , a stop operation is displayed on the display device 2, and a stop display is displayed on the upper position of the operation switch 36, and when the discharge operation is completed, by operating the operation switch 36, the stop operation is displayed. Each part of the dryer 5 is configured to stop.

Additionally, the drying control device 4 has the following functions. That is, the operation content of the operation switch 36 is
This input is input to the PU 43, and the stopping moisture of the grain is set by this input. On the other hand, the grain moisture detected by the moisture sensor 18 is also input to the CPU 43, and the input detected grain moisture and the set stop moisture are compared, and when it is detected that the detected grain moisture has reached the stop moisture. , each operating part of the dryer 5 automatically stops to finish drying the grains. In addition to the above, the configuration also controls the hot air temperature.

The operation of the above embodiment will be explained below. Operation switches 36, 37 of the selection device 3 of the operation device 6,
By operating 38, each part of the grain dryer 5, the burner 16, the moisture sensor 18, etc. are started, and the stopping moisture of the grain and the temperature of the hot air generated from the burner 16 are set.
Hot air is generated from the burner 16, and this hot air is sent to the ventilation chamber 12.
The grains stored in the storage chamber 10 pass through the drying chambers 13 and 13, pass through the exhaust chambers 11 and 11 and the exhaust channel chamber 19, and are sucked and exhausted by the exhaust fan 21. While flowing down from the storage chamber 10 into the drying chambers 13, 13, the grains are exposed to the hot air and dried, and are fed out to the lower part by the delivery valves 14, 14, flow down, and ascend from the collection gutter 15 through the supply gutter 33. The grain is fed into the grain machine 30 by a lower transfer spiral, and is conveyed to the upper part by a bucket conveyor 31 and passed through a dispensing pipe 32 to a transfer gutter 7.
from the transfer gutter 7 onto the diffusion plate 29 by the upper transfer spiral, and the diffusion plate 29 supplies the storage chamber 1.
When the grain moisture detected by the moisture sensor 18 reaches the stop moisture, the drying controller 4 of the operating device 6 automatically controls the dryer 5. The drying of the grain is stopped.

As in the other invention shown in FIGS. 11 and 12, a fullness sensor 45 is provided in the storage chamber 10 to detect the full state of grains to be put into the storage chamber 10, and the drying chamber A grain remaining amount sensor 46 for detecting the presence or absence of grain is provided at the lower part of the inside of the grain 13, and a plurality of digital sensors are also provided. In addition, a loading amount sensor 47 for detecting the amount of grain loaded is provided at the lower four corners of the machine wall 9, and
In addition, a plurality of analog sensors are provided.

The operating device 6' has a box shape, and a message display section 48 for displaying various information is provided on the surface plate 1' of the box.
, the dryer 5 is configured to have an operation switch 49 for starting the dryer 5 and a stop switch 50 for stopping the dryer 5, and the surface plate 1' at the bottom of the operating device 6' is configured to open and close.
When the surface plate 1' is opened, a setting switch 51 for setting drying conditions, such as a drying temperature setting switch, a grain type setting switch, a stop moisture setting switch, a drying pattern setting switch, etc., is provided on the inside. It is structured as follows.

Inside the operating device 6', there is a digital input circuit (A) 5 into which operations of the operation switch 49, the stop switch 50, the drying condition setting switch 51, etc. are input.
2. A digital input circuit (B) 53 to which the detections of the full sensor 45, the grain remaining amount sensor 46, and each of the digital sensors are input, the filling amount sensor 47, and the moisture sensor 1.
8 and an analog input circuit 54 into which the detections of each of the analog sensors and the like are input, an A-D converter 55 that converts the input values input from the analog input circuit 54 from AD to AD, these digital input circuits (A), (B) 52, 53 and A-
A dryer control microcomputer 56 that performs arithmetic and logical operations, comparison operations, etc. on various input values input from the D converter 55, a memory 57, and this microcomputer 56.
An output circuit (A) that receives various commands from the
) 58, an output circuit (B) 59, an output circuit (C) 60, and a display output circuit 61.

The output circuit (A) 58 is configured to output the motors 22, 23, and 34 of the motor system, and the output circuit (B) 59 outputs the fuel pump 25 and the blower motor 28 of the combustion system. The output circuit (C) 60 is configured to output the moisture motor 35, the display output circuit 61 is configured to display the message on the message display section 48, and the memory 57 and The configuration is such that input/output is performed between the nonvolatile memory 62 and the configuration other than the above is the same as above.

The operation of the above embodiment will be explained below. Starting and stopping of the dryer 5 is controlled by the operating device 6' as follows. That is, as shown in FIG. 13, the detection value detected by the grain remaining amount sensor 46 is read (step 1), the presence or absence of grain in the drying chamber 13 of the dryer 5 is detected (step 2), When the presence of grains is detected, the detection value detected by the loading amount sensor 47 is read (step 3), and the amount of loaded grains is detected (step 4).
If it is detected that the amount is equal to or higher than the minimum filling amount, the moisture value of the grains stored in the storage chamber 10 is read out from the memory 57 (step 5), and compared with the stopped moisture value (step 6). When it is detected that the moisture content is below the stop moisture level, a discharge operation is displayed on the message display section 48 (step 7), and the operation switch 49 is operated during this display to discharge the grains to the outside of the machine.

When it is detected that there are no grains in the drying chamber 13 of the dryer 5, if the drying chamber 13 is empty, an empty message is displayed on the message display section 48 (step 8); If it is detected that the amount is below the minimum loading amount, the loading operation is displayed on the message display section 48 (step 9), and the operation switch 49 is operated during this display to remove the grains from inside the dryer 5. is staked out.

When the grain moisture is detected to be equal to or higher than the stop moisture, a drying operation is displayed on the message display section 48 (step 10), and the operation switch 49 is operated during this display to dry the grains. Ru. Further, if the grain is being dried, the grain continues to be dried. Further, as shown in FIG. 14, the detection value detected by the grain remaining amount sensor 46 is read (step 1), and the presence or absence of grain in the drying chamber 13 in the dryer 5 is detected (step 2). ), the filling amount sensor 47
The detected value detected by the device is read (Step 3).
, the amount of loaded grains is detected (step 4), and the storage chamber 1 is
The moisture value of the grain contained in the grain is read out from the memory 57 (step 5) and compared with the stop moisture (step 6), and if it is detected to be less than the stop moisture,
Discharging work and additional drying work are alternately displayed on the message display section 48 (step 7), and while the work to be performed is displayed, the pre-operation switch 49 is operated to select whether the grains are to be discharged outside the machine or additionally dried. Either one will be done.

When it is detected that there are no grains in the drying chamber 13 of the dryer 5, if the drying chamber 13 is empty, an empty message is displayed on the message display section 48 (step 8);
If it is detected that the amount is below the minimum loading amount, the loading operation is displayed on the message display section 48 (step 9), and the operation switch 49 is operated during this display to remove the grains from the dryer 5. It is pushed inside.

When it is detected that the grain moisture is equal to or higher than the stop moisture, the detection value detected by the fullness sensor 45 is read (step 10), and when it is detected that the grain is full (step 11). , ventilation work and drying work are alternately displayed on the message display section 48 (step 12);
While the work to be performed is displayed, the operation switch 49 is operated to perform either ventilation drying or hot air drying.

If it is detected that the capacity is not full, the message display section 48 alternately displays tensioning work, ventilation work, and drying work (step 13), and the operation switch 49 is operated while the work to be performed is displayed. Either drying, ventilation drying, or hot air drying is performed. As mentioned above, the operation switch 49 and the stop switch 50 are used to start and stop the dryer 5, thereby facilitating the operation of the dryer 5.

[Brief explanation of the drawing]

The figure shows one embodiment of the invention.

[Figure 1] Block diagram

[Figure 2] Enlarged front view of the operating device with a partially cutaway view

[Figure 3] Enlarged front view of the operation of a part of the operating device

[Figure 4] Enlarged front view of the operation of a part of the operating device

[Fig. 5] Enlarged front view of the operation of a part of the operating device

[Figure 6] Partially cutaway overall side view of the grain dryer

[Fig. 7] Enlarged sectional view taken along line A-A in Fig. 6.

[Figure 8] Enlarged rear view of part of the grain dryer

[Figure 9] Block diagram showing another invention

FIG. 10 is an enlarged partially cutaway front view of the operating device showing another invention.

FIG. 11 is a partially cutaway overall side view of a grain dryer showing another invention.

FIG. 12 is an enlarged sectional view taken along line AA in FIG. 11, showing another invention.

FIG. 13: Flowchart showing another invention

[Figure 14]
Flow chart showing other inventions

[Explanation of symbols]

1　　　　　　Surface plate 2 Display device 3 Selection device 4 Drying control device

Claims (1)

[Claims] Claim 1: On the first part of the surface plate, each work item for drying the grains, such as loading work, drying work, and discharge work, and each condition item of drying conditions such as finishing target moisture and amount of grains loaded. and a plurality of selection devices 3 for selecting both the respective work items and the respective condition items,
An operation device for a grain dryer, characterized in that a drying control device 4 is provided inside the device for receiving and controlling operation input of the selection device 3.