JP3169014B2 - Grain dryer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for monitoring a grain dryer, and more particularly to a method for judging whether or not to discharge grains in the dryer.

[0002]

2. Description of the Related Art
Generally, the drying of the grain is completed, and the process moves to the grain discharging operation. However, in most cases, the operation is conventionally performed by operating a discharging switch, and is not automated. Therefore, it is necessary to remember whether or not the grains remaining in the grain dryer are already dried. In combination with the change, etc., it is easy to make a mistake in determining which dryer is finished and which dryer has not been finished yet.

[0003]

SUMMARY OF THE INVENTION The present invention is intended to solve the above-mentioned drawbacks, and is intended to detect the presence or absence of kernels in a dry room.
Amount sensor and the amount of grain to be detected in the storage room
Sampling the sensor and a part of the circulated grain
And a moisture sensor for detecting the moisture value, the grain remaining amount sensor detects the presence of grains, the stake amount sensor detects the amount of grains equal to or greater than the minimum stake amount, and the moisture is preset. A grain dryer having a control means for determining that the grain in the storage section can be discharged by detecting that the moisture is equal to or less than the drying stop moisture is adopted.

[0004]

Operation and effect of the present invention With the above configuration,
The determination of the possibility of grain discharge is performed by reading the remaining grain amount, the filling amount, and the moisture value. For example, by turning on the discharge switch in advance, the automatic discharge is performed when the above condition is satisfied. Can be executed.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The illustrated example shows a state in which an operating device 6 for starting and stopping the dryer 5 is detachably attached to a circulation type grain dryer 5 for drying grains.

The dryer 5 is provided with a transfer trough 7 and a ceiling plate 8 having a rectangular shape which is long in the front-rear direction and in which a transfer spiral is rotatably provided above the machine wall 9, and a grain below the ceiling plate 8. A storage chamber 10 for storing particles is formed.

Under the storage chamber 10, left and right drying chambers 13 are provided between the left and right air exhaust chambers 11 and the central air blowing chamber 12, respectively.
Discharge valve 1 for dispensing and flowing down grains at the lower part of 3,13
4, 14 are rotatably supported.

[0008] The drying chambers 13 and 13 have a configuration in which a grain collecting gutter 15 in which a transfer spiral is rotatably mounted communicates with the lower side of the drying chambers. On the front side of the machine wall 9, a burner case 17 containing a burner 16 is detachably mounted on the outer surface of the machine wall 9 to correspond to the inlet side of the blower chamber 12.
The operating device 6 for starting and stopping the burner 16, the moisture sensor 18 and the dryer 5 is detachably mounted and provided.

On the back side of the machine wall 9, there is formed an exhaust path chamber 19 which can communicate with the left and right exhaust chambers 11, 11. An air blower 21 and an air blower motor 22 that rotationally drives the air blower 21 are provided.

Reference numeral 23 denotes a valve motor, which is the aforementioned delivery valve 1.
4 and 14 are configured to be driven to rotate via a principle mechanism 24. A fuel pump 25 having a fuel valve is provided outside the lower plate of the burner case 17, and the fuel pump 25 sucks fuel in a fuel tank 26 and supplies the fuel into the burner 16 by opening and closing the fuel valve. Also, on the outer side of the upper plate, a speed change blower motor 28 for driving the speed change rotation of the blower 27 is provided, and the air for combustion corresponding to the supplied fuel amount is blown into the burner 16 by the blower 27.

At the center in the front-rear direction of the bottom plate of the transfer gutter 7,
Providing a supply port for supplying transfer kernels into the storage chamber 10,
Below the supply port, a diffusion plate 29 for uniformly diffusing and reducing the grains into the storage chamber 10 is provided.

The grain raising machine 30 is provided in front of the machine wall 9 and has a belt with a bucket conveyor 31 stretched inside. The upper end of the grain raising machine 30 is projected between the transfer gutter 7 and the start end. A tube 32 is provided for communication, and the lower end is connected to the grain collecting gutter 15
A supply gutter 33 is provided between the end portion and the supply gutter 33 for communication.

Numeral 34 denotes a grain raising motor, which is configured to rotationally drive the belt with the bucket conveyor 31, the transport spiral in the transport gutter 7, the diffusion plate 29, and the like. The spiral is driven to rotate via the belt with the bucket conveyor 31.

The moisture sensor 18 for detecting grain moisture is provided substantially at the center of the grain raising machine 30 in the vertical direction. The moisture sensor 18 transmits an electrical measurement signal from the operating device 6 to detect moisture. The motor 35 is rotated to rotate the respective parts of the moisture sensor 18 so as to receive the grains falling during the transportation to the upper part by the bucket conveyor 31 and to crush and compress the grains. It is configured to detect moisture.

As shown in FIGS. 3 and 4, a full sensor 45 is provided in the storage chamber 10 for detecting a full state of kernels inserted into the storage chamber 10, and a lower part of the drying chamber 13 is provided. Is provided with a kernel remaining amount sensor 46 for detecting the presence / absence of a kernel and a plurality of digital sensors in addition to the above.

In addition, at the lower four corners of the machine wall 9, there is provided an indentation amount sensor 47 for detecting the amount of intruded grains, and a plurality of analog sensors are additionally provided. The operating device 6 'of FIG. 2 is box-shaped, and the surface plate 1' of the box has
Message display section 48 for performing various displays, the dryer 5
And a stop switch 50 for starting and stopping the front panel 1 '. The front panel 1' at the lower part of the operation device 6 'is configured to open and close. Is provided with a drying temperature setting knob, a grain type setting knob, a stop moisture setting knob, a drying pattern setting knob, and the like, which are setting switches 51 for setting drying conditions.

A digital input circuit (A) 5 into which the operation of the operation switch 49, the stop switch 50, the drying condition setting switch 51, and the like is input.
2. Digital input circuit (B) 53 to which detections of the full sensor 45, the grain remaining amount sensor 46, and the digital sensors are input, the filling amount sensor 47, and the moisture sensor 18.
And an analog input circuit 54 to which detections of the respective analog sensors and the like are input, an A / D converter 55 for A / D converting an input value input from the analog input circuit 54, digital input circuits (A), ( B) 52, 53 and A / D
A microcomputer 56 for controlling the dryer for performing various arithmetic and logical operations and comparison operations on the various input values input from the converter 55, a memory 57, and an output circuit (A) for receiving and outputting various commands instructed by the microcomputer 56 ) 5
8, a drying control device 63 including an output circuit (B) 59, an output circuit (C) 60, and a display output circuit 61 is incorporated.

The output circuit (A) 58 outputs the motors 22, 23, and 34 of the motor system. The output circuit (B) 59 controls the combustion system of the fuel pump 25 and the blower motor 28. The output circuit (C) 60 outputs the moisture motor 35, and the display output circuit 61 displays the message on the message display unit 48. This is a configuration for inputting / outputting data to / from the nonvolatile memory 62. The configuration is the same as that described above except for the above.

The operation of the above embodiment will be described below. The control of the start and stop of the dryer 5 by the operating device 6 'is performed as follows. That is, as shown in FIG. 5, the detection value detected by the kernel remaining amount sensor 46 is read (step 1), and the presence or absence of the kernel in the drying chamber 13 of the dryer 5 is detected (step 2). When it is detected that there is a grain, the detection value detected by the intrusion amount sensor 47 is read (step 3), and the intrusion kernel amount is detected (step 4). When detected, the storage room 1
The moisture value of the grains stored in the chamber 0 is read out from the memory 57 (step 5), compared with the stopped moisture (step 6), and when it is detected that the moisture content is equal to or less than the stopped moisture, a message indicating the discharging operation is displayed. The display is displayed on the unit 48 (step 7). During this display, the operation switch 49 is operated to discharge the grains outside the machine.

When it is detected that there is no grain in the drying chamber 13 of the drying machine 5, the message display section 48 indicates that the drying chamber 13 is empty (step 8). If it is detected that the amount is less than the amount of the stuffing, the stuffing operation is displayed on the message display section 48 (step 9). During this display, the operation switch 49 is operated to move the grains into the dryer 5. It is stuck.

When it is detected that the grain moisture is equal to or higher than the stop moisture, a drying operation is displayed on the message display section 48 (step 10). During this display, the operation switch 49 is operated to dry the grain. You. If the grain is being dried, the grain is continuously dried.

As shown in FIG. 6, a detection value detected by the grain remaining amount sensor 46 is read (step 1).
The presence or absence of a grain in the drying chamber 13 in the dryer 5 is detected (step 2), and the detection value detected by the insertion amount sensor 47 is read (step 3), and the insertion amount is detected. (Step 4), the moisture value of the grain contained in the storage chamber 10 is read from the memory 57 (Step 5), and compared with the stop moisture (Step 6). When the operation is detected, the discharge operation and the additional drying operation are alternately displayed on the message display section 48 (step 7). During the display of the operation to be performed, the front operation switch 49 is operated to discharge the kernel to the outside of the machine. Alternatively, either additional drying is performed.

When it is detected that there is no grain in the drying chamber 13 of the dryer 5, the message display section 48 indicates that the drying chamber 13 is empty (step 8).
If it is detected that the amount is less than the minimum amount, the stuffing operation is displayed on the message display section 48 (step 9). It is stuffed inside.

When it is detected that the grain moisture is equal to or higher than the stop moisture, the detection value detected by the full sensor 45 is read (step 10), and when it is detected that the grain is full (step 11). The ventilation operation and the drying operation are alternately displayed on the message display section 48 (step 12).
While the operation 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 state is not full, the stuffing operation, the ventilation operation and the drying operation are performed by the message display section 48.
Are displayed alternately (step 13), and while the operation to be performed is displayed, the operation switch 49 is operated to perform any of the embedding, the ventilation drying, and the hot-air drying.

As described above, the operation of the dryer 5 is started and stopped by the operation switch 49 and the stop switch 50 to facilitate the operation of the dryer 5.

At a substantially vertical center of the grain raising machine 30, there is provided the moisture sensor 18 for detecting grain moisture, and the moisture sensor 18 transmits an electrical measurement signal from the operating device 6 to detect moisture. The motor 35 is rotated to rotate the respective parts of the moisture sensor 18 so as to receive the grains falling during the transportation to the upper part by the bucket conveyor 31 and to crush and compress the grains. It is configured to detect moisture.

FIG. 9 shows a different example of the operation device. The operation device 6 has a box shape, and a display plate 2 made of liquid crystal or the like and a display device 2 made of liquid crystal or the like are provided on one surface plate of the box. A selection device 3 is provided, and the selection device 3 has a configuration in which three push-button operation switches 36, 37, and 38 are arranged in a row in the horizontal direction.

In the operation device 6, an A / D converter 40 for A / D converting the detection values detected by the moisture sensor 18 and the hot air temperature sensor 39, and the conversion converted by the A / D converter 40 An input circuit 41 for inputting a value, an input circuit 42 for inputting operations of the operation switches 36, 37, and 38;
The drying control device 4 includes a CPU 43 that performs arithmetic logic operation and comparison operation on various input values input from the input circuits 41 and 42, and an output circuit 44 that receives and outputs various commands from the CPU 43. It has a built-in configuration.

The operation and control for starting and stopping the dryer 5 by the drying controller 4 are performed as follows. That is, as shown in FIG. 10, the first display shows the selection of the work item on the display device 2, “sticks” on the upper position of the operation switch 36, and the operation switch 37.
"Dry" is displayed at the upper position of "" and "Eject" is displayed at the upper position of the operation switch 38. The operation switches 36,
The operation items 37 and 38 are operated to select a work item.

To start the filling operation, the dryer 5 is operated by operating the operation switch 36 on the lower side, which is displayed as "Padding", so that the respective parts necessary for the filling operation are started. At the same time, as shown in FIG. 11, a display of a stop operation is displayed on the display device 2 and a display of "stop" is provided at the upper position of the operation switch 36. By operating the switch 36, each part of the dryer 5 is stopped.

When the drying operation is started, by operating the operation switch 37 on the lower side of the display of "Drying", the drying operation in the dryer 5 is selected and, as shown in FIG. , A condition item selection display, a stop moisture display at the upper position of the operation switch 36, a sticking amount display at an upper position of the operation switch 37, and a drying start display at an upper position of the operation switch 38 are displayed. By operating the operation switch 36,
Stop moisture is displayed on the display device 2 at 13%, 13.5%, 14%.
Are displayed sequentially, 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 the stop is set as the stopped moisture. By operating the operation switch 37 in the same manner as the operation switch 36, the amount of insertion into the display device 2 is 1400, 1600, 1800, 2000.
… Is displayed in order, and when the same numerical value as the inset amount is displayed,
When the operation of the operation switch 37 is stopped, the numerical value displayed when the operation switch 37 is stopped is set as the stuck amount, and the hot air temperature generated from the burner 16 is set by this setting. By operating the operation switch 38, the dryer 5 is configured to start various parts necessary for performing a drying operation.

When the discharge operation is started, by operating the operation switch 38 below the display of "discharge", the drying machine 5 starts the parts necessary for the discharge operation at the same time as in FIG. As shown in the figure, a display of a stop operation is displayed on the display device 2 and a display of "stop" is provided at an upper position of the operation switch 36. When the discharge operation is completed, the operation switch 36 is operated. Thereby, each part of the operation of the dryer 5 is stopped.

In addition, the drying control device 4 has the following functions. That is, the operation content of the operation switch 36 is C
This is input to the PU 43, and the stop 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 inputted detected grain moisture is compared with the set stop moisture, and when it is detected that the detected grain moisture has reached the stop moisture. The operation of the dryer 5 is automatically stopped so that the drying of the grain is completed. In addition to the above, the configuration is also such that the hot air temperature is controlled.

The operation of the above embodiment will be described below. Operation switches 36, 3 of the selection device 3 of the operation device 6
By operating 7, 38, each part of the grain dryer 5,
The burner 16 and the moisture sensor 18 are started, the stopped moisture of the grain and the temperature of the hot air generated from the burner 16 are set, and the hot air is generated from the burner 16. 13 and the exhaust air chambers 11 and 11
The grains stored in the storage chamber 10 are sucked and exhausted by the exhaust fan 21 through the exhaust path chamber 19, so that the kernels flow down from the storage chamber 10 through the drying chambers 13, 13. It is dried by being exposed to hot air, fed downward by the feed valves 14, 14, and flows down from the stone collecting gutter 15 through the supply gutter 33 into the grain raising machine 30 by the lower transfer spiral and supplied. When the grain moisture detected by the moisture sensor 18 reaches the stop moisture, it is uniformly diffused and reduced into the storage chamber 10 by the diffusion board 29 from the gutter 7 and diffused into the storage chamber 10. The drying of the grain is stopped by automatically stopping the dryer 5 by automatic control.

[Brief description of the drawings]

FIG. 1 is a block diagram.

FIG. 2 is an enlarged front view of the operating device, which can be partially broken.

FIG. 3 is a partially broken whole side view of the grain dryer.

FIG. 4 is an enlarged sectional view taken along the line AA of FIG. 3;

FIG. 5 is a flowchart.

FIG. 6 is a flowchart.

FIG. 7 is an enlarged rear view of a part of the grain dryer.

FIG. 8 is a block diagram.

FIG. 9 is an enlarged front view in which the operating device is partially broken.

FIG. 10 is an enlarged front view of a part of the operation device.

FIG. 11 is an enlarged front view of a part of the operation device.

FIG. 12 is an enlarged front view of a part of the operation device.

[Explanation of symbols]

18: moisture sensor, 45: full sensor, 46: grain remaining amount sensor, 47: filling amount sensor

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-61-213482 (JP, A) JP-A-63-197872 (JP, A) JP-A-62-238983 (JP, A) JP-A-2- 133788 (JP, A) Japanese Utility Model Showa 55-100991 (JP, U) Japanese Utility Model Showa 58-165592 (JP, U) Japanese Utility Model Showa 60-173894 (JP, U) (58) Field surveyed (Int. ⁷ , DB name) F26B 17/14

Claims (1)

(57) [Claims] Claims: 1. A grain remaining amount detecting presence or absence of a grain in a drying room.
A sensor and a penetration amount sensor for detecting the penetration amount of grain into the storage room.
And sample some of the circulated grains
A moisture sensor for detecting the moisture value, the kernel remaining amount sensor detects the presence of kernels, the stake amount sensor detects the amount of kernels equal to or greater than the minimum stake amount, and the moisture is set in advance to a predetermined value. A grain dryer including a control unit that determines that the grain in the storage unit can be discharged by detecting that the moisture content is equal to or lower than the stop moisture.