JPH0731007B2 - Operating device for grain dryer - Google Patents

Description

TECHNICAL FIELD The present invention relates to an operating device for a grain dryer.

2. Description of the Related Art Conventionally, a setting device for setting a drying condition of a dryer, a start / stop device for starting and stopping the dryer, a hot air temperature in a working state of the dryer, a moisture value of a grain, etc. An operation unit integrally formed with an operation unit having a display device for displaying, and a control unit having a control unit for controlling the dryer in response to an input of operation of the setting device and the start-stop device of the operation unit. The device is a device that cannot be operated or monitored at the moved position by removing the operating device from the controller and moving the operating device to a distant position.

Problems to be Solved by the Invention By operating the setting device of the operating device to a predetermined position according to the amount of dried grains, the moisture value, etc., and operating the start / stop device, each operation is input to the control device. The input starts the dryer and at the same time controls it,
Hot air is generated from the burner, and the grains circulating in the dryer are exposed to the hot air to be dried, and the moisture sensor detects the moisture value of the grains being circulated and dried. The moisture is generated from the detected value and the burner. In the operating device of the dryer in the form of displaying the hot air temperature on the display device, the place where the dryer is installed and the drying work is a work place, and since this drying work is often performed at night, At night, etc., the operator having the setting device, the start-stop device, the display device, etc. is removed from the controller having the controller and moved to the living room in the living room where the operator is, and the operator and the controller are connected to each other. When the dryer is connected to allow operation and monitoring of the dryer in the living room, and at the same time forgetting to connect the operation device and the controller, the dryer automatically stops after a predetermined time elapses. And while forgetting this connection, Even trouble occurs in 燥機, the grain degradation during drying it is intended to prevent in advance.

Means for Solving the Problems The present invention relates to a setting device (1) for setting drying conditions of a dryer according to the amount of dried grains, a moisture value, etc., and a starter for starting and stopping the dryer. An operation device (4) having a stop device (2) and a display device (3) for displaying the hot air temperature, the grain moisture condition and the like in the working condition of the dryer, and the setting device of this operation device (4) (1) and a controller (6) having a controller (5) for controlling the dryer in response to an input of the operation of the start-stop device (2) are connected to the controller (6). Starting the dryer and this controller (6)
On the other hand, a configuration of an operating device for a grain dryer, characterized in that a stop control device is provided for automatically stopping the drying operation of the dryer when a predetermined time elapses when the operating device (4) is not connected, To do.

Action of the Invention The operating device (4) and the controller (6) of the operating device are connected by the amount of dried grains and the water content, and the setting device (1) provided in the operating device (4) is set at a predetermined position. By operating the start-stop device (2), the respective operations are input to the control device (5) of the controller (6), and the input starts the dryer by the control device (5). At the same time, the dryer is controlled, hot air is generated from the burner, and the grains circulating in the dryer are exposed to the hot air and dried, and the moisture value of the grains in the circulating drying is detected by a moisture sensor. The detected moisture value and the hot air temperature generated from the burner are detected, and the detected hot air temperature is alternately displayed on the display device (3) provided in the operating device (4), and the setting device (1) is displayed. Operate to set the moisture content of the grain that is the same as the target moisture content of the setting finish. When the sensor detects it, it stops drying the grain.

When operating or monitoring the dryer at a remote position, the operating device (4) of the operating device is removed from the controller (6) and moved, and the operating device (4) is moved to the controller (4). 6) and changing the drying operation condition, when the setting device (1) is operated, this operation is input to the control device (5), and this input causes the control device (5) to operate the dryer. Is controlled to alternately display the detected hot air temperature of the hot air temperature generated from the burner and the detected moisture value detected by the moisture sensor on the display device (3).

If the operating device (4) is not connected to the controller (6) for a predetermined time or longer after the operating device (4) is moved to a long distance position, the stop control device automatically controls the operation. Automatically stop the dryer.

EFFECTS OF THE INVENTION According to the present invention, the operating device (4) of the operating device of the dryer is detachably formed from the controller (6), so that the operating device (4) is moved to a long distance position and the drying is performed. Operate the machine,
Alternatively, monitoring can be performed, and at the same time, if the operation unit (4) is not connected to the control unit (6) for a predetermined time or more,
When the dryer automatically stops, for example, a problem occurs in the fuel pump that supplies the fuel to the burner during the drying operation, and even if the hot air temperature generated from the burner rises abnormally due to this problem, This abnormally elevated hot air temperature is not displayed on the display device (3) because the operating device (4) is not connected to the control device (6).
Although the operator cannot know the abnormally increased hot air temperature, even if such a condition occurs, the dryer automatically stops after a predetermined time, and during the drying due to the abnormally increased hot air temperature. The grain temperature of the grain rises abnormally, and the grain splits due to this abnormal rise in grain temperature, but the dryer automatically stops after a predetermined period of time to prevent the occurrence of this splitting. be able to.

Embodiment In the illustrated example, the machine wall (11) of the dryer (10) has a rectangular shape in plan view which is long in the front-rear direction, and the dryer (10) is started and stopped on the front side of the machine wall (11). A burner case (13) having an operating device (12) for performing the above operation and a burner (7) is provided, and an exhaust fan (14) is provided on the rear side.

At the center of the lower part of the machine wall (11), while extending in the front-back direction,
A grain collecting gutter (15) equipped with a transfer spiral is provided, and a drying chamber (17) having a feeding valve (16) rotatably supported on the lower side is arranged side by side on the upper side of the grain collecting gutter (15) for communication. The hot air chamber (18) is formed between the drying chambers (17) and (17) and communicates with the burner (7).
The hot air temperature in this hot air chamber (18) and this hot air chamber (1
When the temperature inside 8) rises abnormally, a hot air temperature sensor (8) for detecting the abnormal rise temperature is provided, and the drying chamber (1
Blower chambers (20) and (20) are formed on the outside of (7) and (17) to communicate with the blower fan (14).
1) A motor (21) is installed on the lower part of the rear side.
In 1), the feeding valves (16), (16) and the blower (14)
And the like are driven to rotate.

The fuel tank (22) is located outside the lower plate of the burner case (13).
A fuel pump (23) having a fuel valve for sucking fuel from the inside of the burner (3) is provided, and a blower (24) and a motor (25) are provided outside the upper plate, and the motor (25) The blower (24) is rotationally driven by the rotation of the blower (24) to supply the combustion air into the burner (7), and the burner (13) is provided in the burner case (13). ) A structure provided with an air flow sensor (26) for detecting the presence or absence of outside air passing through the surroundings, and a flame lenser for detecting the presence or absence of a combustion flame generated from the burner (7) in the front part of the burner (7). (27) is provided.

A storage chamber (28) is formed on the upper side of the drying chambers (17) and (17), and a transfer gutter (30) in which ceiling plates (29) and (29) and a transfer spiral are installed above the storage chamber (28). ) Is provided, a supply port for supplying the transfer grains into the storage chamber (28) is provided at the center of the transfer gutter (30), and a diffusion plate (31) is provided below the supply port.
Is provided.

A grain raising machine (32) is provided in the front part of the machine wall (11), and a bucket conveyor (33) belt is stretched inside between the upper and lower pulleys so that the upper end and the transfer gutter (30) start end are connected. A throwing pipe (34) is provided between them to communicate with each other, and a supply gutter (35) is provided between the lower end and the end of the grain collecting gutter (15) to communicate with each other, and the grain raising machine (32) A motor (36) is installed on the upper part, and this motor (3
6) the bucket conveyor (33) belt, the transfer gutter (3
0), the transfer spirals in the grain collecting trough (15) and the diffuser (3
1) etc. are rotationally driven, and a moisture sensor (9) is provided at the substantially central part of the grain raising machine (32) in the vertical direction, so that the grains that fall while being conveyed to the upper part by the bucket conveyor (33) are Then, the grains are supplied to the moisture sensor (9),
The moisture sensor (9) is configured to detect the moisture value of the crushed grain at the same time as crushing and crushing the moisture. The moisture sensor (9) is transmitted from the operation device (12) at a predetermined time interval. The motor (37) in the moisture sensor (9) rotates due to the transmission of the electrical measurement signal, and the rotation of the motor (37) causes each part of the moisture sensor (9) to rotate and drive the moisture of the grain. A value is detected, and a circulation sensor (19) for detecting whether or not the grain is circulating in the dryer (10) is provided in the discharge tube (34).

The operation device (12) is composed of a box-shaped operation device (4) and a controller (6), and the dryer (10) is started for each work on the surface plate of the operation device (4). And each starting / stopping device (2) for performing operations such as stopping, each setting device (1) for setting drying operation conditions of the dryer (10), and a display device for displaying a drying state of the dryer (10) ( 3) and an alarm buzzer (38) are provided, and each of the start / stop devices (2) is composed of a stake work start switch, a drying work start switch, a discharge work start switch, and a stop switch. ) Is composed of a target moisture setting scoop for setting the finishing target moisture value of the grain and a hot air temperature setting scoop for setting the hot air temperature generated from the burner (7), and the display device (3) has Detected grain moisture value detected by the moisture sensor (9) and the hot air temperature The temperature sensor (8) alternately displays the detected hot air temperature, and when each of the sensors (8), (19), (26), (27) detects an abnormality,
The configuration is such that this abnormality is displayed by a numerical value or a symbol, and when each of these sensors (8), (19), (26), (27) detects an abnormality, an alarm is generated from the alarm buzzer (38). An operation control device (54) is provided inside, and the operation control device (54) has an input circuit (39) for inputting operations of the setting device (1) and the start-stop device (2), and a communication input. A circuit (40), a CPU (41) that performs arithmetic logic operation and comparison operation on various input values input from these input circuits (39) and (40), and various commands issued from this CPU (41). This is a configuration having an output circuit (42) for receiving and outputting.

The hot air temperature sensor (8) is provided inside the controller (6).
And the detection value detected by the moisture sensor (9) is AD
Exchange AD converter (43), this AD converter (43)
The input circuit (44) into which the converted value converted in is input, the input circuit (45) into which the detection of each of the sensors (19), (26) and (27) is input, the communication input circuit (46), these A CPU (47) that performs arithmetic logic operations and comparison operations on the input values input from the input circuits (44), (45), and (46).
(47) is provided with an output circuit (48) for receiving and outputting various commands instructed by (47) and a stop control device (49),
The stop control device (49) is composed of a timer.

When the operation device (4) is attached to the control device (6), the connection cord (50) is used for connection, and when the operation device (4) is moved to a far-distance position and connected, it is connected to a remote position. The distance cord (51) is used for connection, and when the connection cord (50) is used, the controller (6) is powered by a power supply (5).
2) is inputted, the power source (52) is inputted from the controller (6) to the operation device (4), and the controller (6) and the operation device (4) are operated. When the long distance cord (51) is used, another power source (53) is input to the operating device (4), and the long distance cord (51) is connected to the power source (53). When the controller 53 is input, the operating device (4) is operated, and the controller (6) is operated by the power source (52).

The operation device (4) and the controller (6) are connected by the connection cord (50), and when the power source (52) is input, the CPU (47) of the controller (6) is connected. Based on the information set by the operation unit (4), the controller (6) is set by the communication input circuits (40), (46) at predetermined time intervals set and stored, for example, at intervals of 10 seconds. The dryer (10) is configured to perform the drying operation by controlling each part of the dryer (10).
To start the drying operation, remove the operating device (4) from the controller (6), and connect the operating device (4) to the controller (6) with the long distance cord (51). In addition, when the power source (53) is input, each part of the dryer (10) is controlled to perform a drying operation as described above, and the operation unit (4) is removed during the drying operation. If the operating device (4) and the controller (6) are not connected by the long distance cord (51) and the power source (52) is not input, the CPU ( It is configured such that the dryer (10) is stopped by the stop control device (49) when, for example, one hour or more is set and stored in the operation unit (4). Based on the final information of), the communication input circuits (40) and (46) control each part of the dryer (10) by the controller (6) to perform the drying operation. It is a configuration for performing.

When the moisture sensor (9) detects a grain moisture value that is the same as the set finishing target moisture value set by operating the target moisture setting knob of the setting device (1), it is automatically controlled by the controller (6). And a set hot air temperature set by operating the hot air temperature setting knob of the setting device (1) and a detection detected by the hot air temperature sensor (8). A configuration in which the number of times the combustion valve of the fuel pump (23) is opened and closed is controlled so as to be the same if the hot air temperature is different and the amount of fuel drawn in by the fuel pump (23) is changed. Is.

Each setting of the setting device (1) of this operating device (4) is established by connecting the operating device (4) of the operating device (12) and the control device (6) with the connection cord (50) and inputting the power source (52). When the scissors are operated to a predetermined position and the drying work start switch of the start / stop device (2) is operated, the dryer (10) is started, and at the same time, hot air is generated from the burner (7) and this hot air is supplied to the hot air chamber (18). ) Through the drying chamber (17), the exhaust chamber (20), and the exhaust fan (14) sucking and exhausting the grains stored in the storage chamber (28) from the storage chamber (28). While flowing down in the drying chamber (2), it is exposed to this hot air and dried, and is fed to the lower part by the feeding valve (16) and supplied into the grain collecting trough (15), and inside this grain collecting trough (15). It is transferred and discharged into the grain elevator (32) through the supply gutter (35) by the transfer spiral of, and is transferred to the upper part by the bucket conveyor (33) and transferred through the throwing tube (34) to the transfer gutter (30). To the diffusion plate (31) by the transfer spiral in the transfer gutter (30), and is uniformly diffused and reduced into the storage chamber (28) by the diffusion plate (31) and circulated and dried. When the moisture sensor (9) detects the same grain moisture value as the finishing target moisture value set by operating the target moisture setting knob of the setting device (1), the controller of the operating device (12) (6) automatically controls the dryer (1
0) is automatically stopped, but the grain moisture value and hot air temperature are displayed on the display device (3) during this drying operation, and the sensors (8), (19), (26), (27) When an abnormality is detected,
The location where this abnormality is detected is displayed.

During this drying operation, the operation device (4) is removed from the control device (6) to operate the dryer (10) at a long distance,
When monitoring is performed, the operation device (4) and the control device (6) are connected by the long distance connection cord (51), and the power source (53) is input to the operation device (4). The same drying operation can be performed, and when the operating position of each setting scoop of the setting device (12) is changed, the dryer (10) is changed under the changed conditions.
Controlled to dry the grain.

If the connection cord (51) for long distance and the input of the power source (53) to the operation device (4) are forgotten, the dryer (10) performs the drying operation for a predetermined time, but the predetermined time After a lapse of time, the stop controller (49) controls the dryer (1
0) automatically stops.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a block diagram, FIG. 2 is a flow chart, FIG. 3 is an enlarged perspective view of a part thereof, and FIG. FIG. 5 is an overall front view of FIG. 5, and FIG. In the figure, reference numeral (1) is each setting device, (2) is each starting / stopping device, (3) is a display device, (4) is an operating device, (5) is a control device, and (6) is a control device. .

Claims (1)

[Claims] 1. A setting device (1) for setting drying conditions of a dryer according to the amount of dried grains and a moisture value, a start-stop device (2) for starting and stopping the dryer, and An operating device (4) having a display device (3) for displaying hot air temperature, grain moisture condition, etc. in the working state of the dryer, the setting device (1) of the operating device (4), and the starting A controller (6) having a controller (5) for controlling the dryer in response to the operation input of the stop device (2) is connected to the controller (6) to start the dryer. And this controller (6)
On the other hand, in the state in which the operation device (4) is not connected, there is provided a stop control device for automatically stopping the drying operation of the dryer after a lapse of a predetermined time.