JP2000283650A - Grain drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To display information concerning an operating state or the like in such a way that it can be easily recognized. SOLUTION: There are provided a display section 12 and operation switches SW1 to SW4. When a user operates the operation switch SW1, information specified by the depressed operation switch SW1 is displayed at the display section 12. In addition, when the operation switch SW1 is operated and a predetermined time elapses, the display is automatically changed over to a standard display. When the user operates the operation switch SW3, one or more than two information corresponding to the present operation mode are displayed at the display section in a time-shared manner. In addition, when the user operates the operation switch SW2 and the operation switch SW4 composed of a '+' switch and a '-' switch, it becomes possible to add or delete information to be displayed in time-shared basis. In addition, when all information are finished in displaying in time-shared basis, the display is automatically changed to a standard display. In addition, a time interval for the time-shared display is adjusted or the display is forcedly changed over to the standard display.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain dryer for drying grains, and more particularly, to a grain dryer having display means for displaying information on an operating condition during operation, a drying process condition, and the like.

[0002]

2. Description of the Related Art Conventionally, this kind of grain dryer is provided with an operation panel having a plurality of operation button switches and a display section. When a user operates a specific operation button switch, the operation button switch is previously set to the operation button switch. Information related to the associated drying processing status is displayed on the display unit. In addition, a standard display mode is provided for collectively displaying a plurality of pieces of information such as the average moisture value of the grain and the drying temperature on the display unit. Could be checked at once.

[0003]

However, in the above-mentioned conventional grain dryer, when a user operates a specific operation button switch to display information on a desired drying process status, the user has to do so each time. A specific operation button switch must be switched from among the plurality of operation button switches. For this reason, when the user tries to obtain a plurality of pieces of information on the drying process status, a plurality of switching operations are required. For example, the operation buttons are switched one by one to change the screen display on the display unit. Since the necessity arises, the operation becomes complicated, and the operability is not always good.

[0004] The standard display mode has the advantage that the information on the drying process status can be collectively obtained. However, since the display content is diversified, a plurality of display contents indicate which drying process status to the user. There was a problem that it was difficult to recognize whether or not it was showing. Also, since the contents displayed in the standard display mode are diversified, it is difficult to display a large amount of information in detail on a display unit having a limited display area. There were also problems such as occurrence.

The present invention has been made in order to overcome the above-mentioned problems of the prior art. For example, a large amount of information can be displayed to a user with good visibility, and good operability can be obtained. It is intended to provide a grain dryer.

[0006]

In order to achieve the above object, the present invention provides a grain dryer having display means for displaying one or more pieces of information on an operation mode state.
Selecting means for selecting the one or more pieces of information corresponding to the operation mode; and control means for sequentially displaying the information selected by the selecting means on the display means at predetermined time intervals. A configuration was provided.

[0007] According to this configuration, information such as an operation status corresponding to an operation mode desired by a user or the like is automatically displayed in a time-division manner at predetermined time intervals. This allows a user or the like to obtain desired information without performing complicated operations. Further, since the desired information is not displayed collectively on the display means but is displayed sequentially in a time-division manner, detailed information can be displayed for each.

Further, the control means causes the display means to perform a predetermined standard display when the information is not selected by the selection means.

With this configuration, it is possible to obtain standard information even when the user or the like does not specify the automatic display by the time division.

Further, the control means variably adjusts the predetermined time interval in accordance with an instruction from the selection means.

According to this configuration, for example, the information selected by the selection means is displayed on the display means at each time interval desired by the user. As a result, excellent convenience can be provided to the user.

[0012] When the control means has completed displaying all of the one or more pieces of information selected by the selection means,
The display means is configured to perform a predetermined standard display on the display means.

According to this configuration, after a user or the like obtains desired information by the time-division display, standard information can be automatically obtained without performing complicated operations.

[0014] The selection means is configured to display a menu display for selecting the one or more pieces of information on the display means.

According to this configuration, the user or the like can select and specify desired information from the menu display.
Operability is improved.

Further, the selecting means includes a switching means for selecting one of the one or more pieces of information, and the control means, when the one piece of information is selected by the switching means, Is continuously displayed on the display means.

According to this configuration, only specific information desired by the user or the like is continuously displayed. Therefore, for example, information considered important by the user or the like can be preferentially displayed. Further, by using it in combination with the time division display, it is possible to improve the convenience for the user and the like.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a grain dryer according to the present invention will be described below with reference to the drawings. FIG. 1 is a structural diagram schematically showing the structure of a grain dryer according to the present embodiment. FIG. 1A mainly shows an internal structure, and FIG. 1B shows an external structure.

1 (a) and 1 (b), the grain dryer 1 has a main body 5 in which a grain collecting chamber 2, a drying chamber 3, and a storage chamber 4 are connected to each other, and a lateral side of the main body 5. It is configured to include a lift 6 attached thereto.

A horizontal conveyor 2a is provided at the front of the grain collection chamber 2, a heater 3a composed of a burner or the like is provided at the front of the drying chamber 3, and a blower 3b is provided at the rear of the drying chamber 3. A plurality of rotary valves 3c are provided between the storage chamber 4 and the grain collecting chamber 2, and an upper conveyor 4a is provided above the storage chamber 4. Further, a hopper 7 is provided at a lower portion of the elevator 6, a moisture meter 8 is provided at a side portion of the elevator 6, a thrower 9 is provided at an upper portion of the elevator 6, and a dust collector 10 is provided at the upper conveyor 4a.

Here, warm air is generated in the drying chamber 3 by the heater 3a and the air blower 3b, and grains passing through the drying chamber 3 are forcibly dried by the hot air by the rotary valve 3c. I have. The dust collector 10 is provided for discharging unnecessary dust and dust generated in the main body 5 to the outside.

Before the drying process is started, the horizontal conveyor 2a, the elevator 6 and the upper conveyor 4a carry (pull) the grains to be dried into the storage room 4, and the drying process is started. Then, the cereal accumulated in the grain collection chamber 2 is transported to the storage chamber 4 again to perform circulating drying.

Although not shown in FIG. 1, an operation unit for operating the grain dryer 1 by a user is provided. This operation unit has an operation unit as shown in the plan view of FIG. A panel (operation panel) 11 is provided.

In FIG. 2, the operation panel 11 is provided with a display section 12 composed of a liquid crystal display or the like and various operation switches SW1 to SW14. When the user operates these operation switches SW1 to SW14, the operating conditions of the grain dryer 1 are controlled, and the operation switches SW1 to SW14 are controlled.
The information selected in step 12 and the information regarding the operation status of the grain dryer 1 and the drying process status can be displayed on the display unit 12.

The operation switches SW1 to SW12 are formed by push button switches, and the operation switches SW12, SW13
Is formed by a dial type volume switch.

Further, the operation switch SW2 is
It is composed of four push-button switches labeled "+", "-", "B" and "F", each having a specific function.

FIG. 3 is a block diagram showing the configuration of a control system for controlling the operation of the whole grain dryer 1 including the operation panel 11. In the figure, a control unit 13 having a microprocessor (MPU) and the like for controlling the operation of the entire grain dryer 1 by executing a preset system program is provided.

The control unit 13 is connected to the display unit 12 and the operation switches SW1 to SW14. In addition, the storage unit 14 for storing data to be displayed on the display unit 12 and the drive circuits 15 to 18 are connected. Then, the blower 3b, the dust collector 10,
Electric power is supplied to the conveyors 2a and 4a, the elevator 6 and the heater 3a.

The control unit 13 further includes a moisture meter 8 for sampling a plurality of grains and measuring the moisture value of each grain.
A temperature sensor 19 for detecting the internal temperature of the drying chamber 3,
A safety device 20 for forcibly stopping operation when an abnormality occurs in the grain dryer 1 is connected. The moisture value means the weight percentage (%) of the water contained in each grain or the weight percentage (%) of the water of the whole grain to be dried, and is also called the water content. .

Then, the control unit 13 receives the detection signals output from the moisture meter 8 and the temperature sensor 19, and sends the detected signals to the heater 3a by the drive circuit 18 based on the actually measured data of the moisture value and the temperature. By performing feedback control of the fuel supply amount of the cereal, the drying process is performed so that the actual moisture value of the grain approaches the target moisture value. Control unit 1
3 is a storage unit 1 which stores data on operating conditions, the above-mentioned measured data, and the like for each operation mode described below in accordance with a predetermined data structure.
4 for management.

Next, the functions of the operation switches SW1 to SW14 provided on the operation panel 11 will be described. In the following description, the operation switches SW1 to SW14 will be referred to by names associated with respective functions.

The display changeover switch SW1 is connected to the grain dryer 1
A plurality of pieces of information relating to the operation status and the drying process status are individually displayed on the display unit 12 for each piece of information. Although the details will be described later, each time the user presses the display changeover switch SW1, each time the user presses the display changeover switch SW1 in FIG.
“(A) moisture distribution”, “(B) end prediction”, and “(C)”
Information of display items (referred to as large items) of a progress graph, “(D) diagnosis”, “(E) setting”, “(F) description of operation status”, and “standard display” can be switched and displayed.

The change switch SW2 is, as described above,
It is composed of four push-button switches labeled "F", "B", "+" and "-". When the user presses the "F" switch or the "B" switch, FIG.
Within the ranges of the large items (A) to (F) and “standard display” shown in (a), more specific items (called small items) can be selected and designated.

For example, when the user operates the display changeover switch SW
As a result of operating "1" and specifying the major item of "(D) diagnosis",
Assuming that the information of the small item "moisture data" is displayed on the display unit 12, every time the "F" switch is pressed, the small item is changed from "abnormal contents" to "abnormal history" → "drying history" → "temperature data".
Can be selected (changed) in ascending order, while "B"
When the switch is pressed, each time the switch is pressed, the small item is changed to “Temperature data” → “Dry history” → “Abnormal history” → “Abnormal content”
Can be selected (changed) in descending order. In addition, the ascending order selection and the descending order selection can be repeatedly performed in a so-called endless manner.

When the user operates the operation switches SW8 to S
When any one of W11 is pressed, the operation corresponding to each switch is started, and the content of one of the "standard display" items from "stopping" to "discharging" corresponding to the current operation is displayed. Displayed automatically.

The guide switch SW3 is set for each operation mode.
It is provided for displaying a plurality of pieces of information in a time-division manner.
Also, it is provided to add an item of information for time-division display.

Although details of the operation method will be described later, when the user presses the guide switch SW3, the information corresponding to the "operation mode" and the "display item" shown in FIG. It is designed to be displayed.

For example, when the user presses the guide switch SW3 when the current operation mode of the grain dryer 1 is “(c) drying” in FIG. 6, the symbols are indicated by “◎” and “△”. Visibility of each information corresponding to each of the display items of "operation status display", "moisture distribution display", "end prediction display", "progress graph display", "selection table display" and "operation condition display" The display is time-divisionally displayed in a good display mode. Here, the display items indicated by the symbol “◎”
The display items that are determined in advance as standard items and are indicated by reference symbols “△” are optional items that can be added or deleted by the user. Therefore, if the user does not add the display item indicated by the symbol “△”, the information of the standard item is displayed in a time-division manner.

The information of the standard items indicated by the symbol “◎” is in the order indicated by the symbol (*), ie, (*
1), (* 2), (* 3) are automatically displayed in a time-division order.

Incidentally, the user presses the guide switch SW3 to operate the above-mentioned "+" and "-" switches when the information of "display of selection table" in FIG. 5, that is, the menu is displayed. Then, it is possible to add or delete one or more optional items corresponding to the symbol “△”.

The setting switch SW4 sets the above “+”,
It is provided to move to the next option item after specifying addition or deletion of an option item by each switch of "-".

The grain selection switch SW5 is provided for selecting the type of grain to be dried, and calculates the actual moisture value during the drying process each time the user presses the grain selection switch SW5. Statistic processing method can be selected. In addition, a basic formula for calculating the temperature of hot air to be dried is selected.

The drying pattern switch SW6 is provided to select and designate the time change of the hot air temperature. Each time the user presses the drying pattern switch SW6, one of a plurality of temperature patterns prepared in advance, for example, one of a standard temperature pattern, a low temperature pattern, and a taste pattern can be switched and selected.

The drying operation mode switch SW7 is provided for selecting and specifying a drying operation and a stop mode such as continuous drying, two-stage drying, ventilation drying, etc., and every time the user presses the drying operation mode switch SW7. The desired operation mode can be switched and selected.

Then, by selecting and specifying the combination of the drying pattern switch SW6 and the drying operation mode switch SW7, it is possible to determine the drying method in accordance with the properties and use of the grain.

The setting switch SW8 is provided for giving an instruction to store the grains in the storage room 4 before starting the drying process. The drying switch SW9 is connected to the storage room 4
It is provided to instruct the start of the drying process after storing the grains therein. The discharge switch SW10 is provided to carry out the dried grain from the grain collection chamber 2 to the outside. The stop switch SW11 is provided to instruct the end of the drying process. The power switch SW12 is provided for turning on and off the power of a main power supply provided in the grain dryer 1.

The grain amount setting switch SW13 is provided for presetting the amount of the grain to be dried, and designates the grain amount according to the rotation angle of the grain amount setting switch SW13. .

The moisture setting switch SW14 is provided for designating the moisture value of the grain at the end of the drying process, and designates a desired moisture value according to the rotation angle of the moisture setting switch SW14. ing. In other words, the moisture value of the grain at the end of the drying process (target moisture value)
Is provided for setting.

The control unit 13 also stores and manages information set by the operation switches SW8 to SW13 in the recording unit 14 according to a predetermined data structure.

Next, the data structure of each display item illustrated in FIG. 4A will be described with reference to FIGS.

The information of the small items (hereinafter referred to as switching display data) shown in FIG. 4A is divided into large items as shown in FIG. Stored in the memory area. Here, actual measurement data measured by the actual operation of the grain dryer 1, that is, raw data is stored with an identifier (.DT) attached thereto, and predetermined document data such as an explanatory note is stored. Is the identifier (.
TX), and control data such as operating conditions and temperature conditions of the grain dryer 1 are stored with an identifier (.CDT).

The switching display data is file-managed based on the data structure shown in FIG. 5, and is accessed by the memory in accordance with the operation of the display changeover switch SW1 and the change switch SW2. Is displayed on the display unit 12.
Note that the above identifier is an example, and another identification method may be adopted.

Next, the data structure of each display item illustrated in FIG. 6 will be described with reference to FIG.

In FIG. 7, the data of these display items is also file-managed based on a predetermined data structure as shown in FIG.
By accessing the memory in accordance with the operation of W2 and the setting switch SW4, information desired by the user is displayed on the display unit 12.

For data common in the data structures of FIG. 5 and FIG. 7, each data shown in the memory map of FIG. 4B is shared for memory access. As a result, the memory area of the storage unit 14 is effectively used.

Next, the display operation of the grain dryer 1 having the above-described structure will be described with reference to FIGS.

First, a basic display operation will be outlined with reference to FIG. FIG. 8A shows the display operation when the user operates the display changeover switch SW1 and the change switch SW2, and FIG. 8B shows the user operates the guide switch S3, the change switch SW2, and the setting switch SW4. The display operation in the case is shown.

In FIG. 8A, when the user turns on the main power of the grain dryer 1, the display unit 12 displays a screen of the standard display mode. For example, immediately after power-on,
Since the apparatus is substantially in the stopped state, information corresponding to “stopped” in the “standard display” item shown in FIG. 4A, that is, information relating to “state of the stopped apparatus” is set as the standard display mode. Is displayed.

Next, as shown in the operation 1, when the user presses the display changeover switch SW1, the major items "(A) moisture distribution" to "(F) Explanation of the operating condition" shown in FIG. Desired item can be designated. In addition, "F"
If only the display changeover switch SW1 is sequentially pressed without pressing the switch or “B” switch, the small items are switched in ascending order in the vertical direction. For example, immediately after the power is turned on, “(B) End prediction (current) → “(C) Progress graph (current)” → “(D) Diagnosis (drying history)” →
Each sub-item of “(E) setting (operating condition)” → “(F) Explanation of operating status (during stop)” is selected and designated.

Next, as shown in operation 2, when the user presses the "F" switch or the "B" switch, a small item within the range of the large item designated by the display changeover switch SW1 can be designated. For example, within the range of the large item “(A) moisture distribution”, one of the horizontal small items “current”, “drying initial”, “drying end”, and “explanation” in FIG. 4A is selected. Can be specified. Then, display information of these selected items is read out from the storage unit 14 and displayed on the display unit 12. That is, the corresponding data is accessed from the data structure shown in FIG.

In the operation 2, the user sets “F”
If the switch or the “B” switch is not pressed, the display information of the item selected and designated in the operation 1 is read from the storage unit 14 and displayed on the display unit 12.

When the same display information is continuously displayed for a predetermined display time τ1 (= 60 seconds), the display automatically returns to the display screen in the standard display mode.

Next, in FIG. 8B, when the user presses any one of the operation switches SW8 to SW10 to operate the grain dryer 1 in the corresponding operation mode, a predetermined value as shown in FIG. Information on the operating status and drying process status of a plurality of items is displayed in a batch. In the standard display mode, when the guide switch SW3 is pressed (operation 3), the control unit 13 determines the current operation mode, and outputs a plurality of pieces of information corresponding to the operation mode in FIGS. As shown in d), the display is switched every predetermined display time τ2 (= 10 seconds), and when the display of all information is completed, the display returns to the standard display mode shown in FIG. 9 again. .

Here, when the user presses the change switch SW2 while the information of "display of selection table" shown in FIG. 6, that is, the menu display is displayed, addition or deletion of option items to be displayed is performed. It can be specified (operation 4), and when the setting switch SW4 is pressed, it is possible to shift to the next option item (operation 5). Then, the control unit 13 switches and displays the information on the standard items prepared in advance and the added optional items at every predetermined display time τ2.

In a more specific display example, when the current operation mode is the “(c) drying” mode in FIG. 6, a menu display is provided as shown in FIG. The information of “1. Drying condition”, “2. Moisture distribution”, and “3. Drying prediction” corresponding to each of “Display of operating condition”, “Display of moisture distribution”, and “Display of end prediction” are standard items. Is displayed. Furthermore, for the optional items “display of progress graph”, “display of operating conditions”, and “display of selection items”, “dry progress” marked with “?” Under the characters of “additional information” Information on “operating conditions” and “drying selection” is displayed.

Further, a display is displayed on the lower side of the screen of the display section 12 indicating that addition or deletion of an option item can be performed by the setting switch SW4 and the change switch SW2.

Then, the operation 4 and the operation 5 in FIG.
As shown by, the user sets “+” of the change switch SW2.
After the operations such as addition or deletion of the above optional items are performed by the number of times corresponding to the maximum number of items by the switches of “−” and “−”, when the setting switch SW4 is operated, the standard items and the added display items are registered and set. The information of the set display items is sequentially switched and displayed in a time-division manner every predetermined display period τ2 (= 10 seconds).

As shown in FIGS. 11A to 11H,
The cursor of (□) is blinkingly displayed on the option item, and the cursor position can be moved every time the “F” switch or the “B” switch is pressed. And
By pressing the "+" switch, the option item at the cursor position can be added, and by pressing the "-" switch, the option item at the cursor position can be deleted.

Next, the display operation of the grain dryer 1 outlined with reference to FIGS. 8A and 8B will be described in more detail with reference to the flowcharts shown in FIGS. still,
FIG. 12 mainly shows a display operation when the display changeover switch SW1 is operated, and FIG.
The display operation when W2 is operated is shown.

As a typical example, a drying switch SW9
The operation in the case where is operated to enter the operation mode of the drying process will be described.

In FIG. 12, when the drying switch SW9 is operated and an operation start instruction is given, the operation of the drying process is started (step S100), and the operation set by the operation switches SW5 to SW7, SW13 and SW14 is performed. Operation control is started according to the conditions (step S102), and a standard display as shown in FIG. 9 is displayed on the display unit 12 (step S104).

Next, in steps S106 and S108, it is determined whether or not the guide switch SW3 or the display switching switch SW1 has been pressed. If none of the switches SW3 and SW1 has been pressed, the processing from step S102 is performed. Repeat and continue the standard display. Further, when the guide switch SW3 is pressed, step S shown in FIG.
Move on to the processing after 200. When the display switch SW1 is pressed, the process proceeds to step S110, and the display item (large item) selected by the display switch SW1 is temporarily held.

Next, in step S112, it is determined whether or not the "F" switch or the "B" switch of the change switch SW2 is pressed, and a small item within the range of the large item shown in FIG. 4 is selected and designated. Judge. When the above small item is selected, the item is temporarily stored (step S114), and then the item is registered and confirmed (step S116). If the above-mentioned sub-item is not selected, the display item is determined with the sub-item unchanged (step S116).

Next, the information (display content) of the display item determined in step S116 is read from the storage unit 14 and displayed on the display unit 12 (step S118).

Next, in this display state, it is determined whether or not the display changeover switch SW1 has been pressed for one second or longer (step S120).
Then, the display screen of the display unit 12 is switched to the standard display. Also, even if the display changeover switch SW1 is not pressed,
A predetermined display time τ1 from the start of display in step S118
Even when (= 60 seconds) has elapsed, the process returns to step S104, and the display screen of the display unit 12 is switched to the standard display.

That is, the user operates the display changeover switch S
By pressing W1, it is possible to return to the original standard display at a desired time, and without pressing the display changeover switch SW1,
When the display time τ1 elapses, the display is automatically returned to the standard display to save the user's trouble.

As described above, by appropriately operating the display changeover switch SW1, the "F" switch, and the "B" switch, the user can input desired information such as an operation status and a transport status.

Next, in step S106, the guide switch SW3 is depressed, and step S200 in FIG.
When the process proceeds to, first, the current operation mode is determined.
That is, if the current operation mode is "drying", it is determined that "(c) drying" shown in FIG.

Next, by the processing after step S202, a plurality of data belonging to "(c) Drying mode" shown in FIG.

If the change switch SW2 ("+" or "-" switch) is not pressed in step S204 during the above switching display, the process waits for about 10 seconds in step S205, and then proceeds to step S212. If the change switch SW2 is pressed within about 10 seconds, the process proceeds to step S206 to display the content of the indicated display item, and further proceeds to step S207 to press the setting switch SW4. It is determined whether or not it has been performed. That is, it is determined whether or not the display item selected by the “+” and “−” switches has been confirmed by the setting switch SW4.

Next, in step S208, about 10
If the setting switch SW4 is not pressed after waiting for two seconds, the display item of the current setting condition is determined in step S210, and the process proceeds to step S212.

During the period of waiting for about 10 seconds in steps S207 and S208, step S209
Then, the next display item that can be selected is presented to the operator, and the process proceeds to step S204. Therefore, the operator can select and specify the next display item.

Then, when the operator selects a desired display item and finally gives an instruction to confirm it with the setting switch SW4, the display item of the current setting condition is decided in step S210, and then the processing in steps S212 to S216 is performed. The information (display contents) corresponding to the set display items is automatically displayed in a time-division manner. That is, the display contents are automatically switched and displayed at every predetermined display time τ2.

Next, in step S218, it is determined whether or not information of all display items has been displayed. If not completed, the process proceeds to step S220. If completed, the process proceeds to step S102 in FIG. Return.

In step S220, the guide switch SW
It is determined whether or not No. 3 has been pressed again. If it has been pressed, the display time τ2 is extended (step S222), and the process proceeds to step S212. If not pressed, the display time τ2 is not extended without being extended. Move to step S212. For example, the display time of τ2 = 10 seconds is extended to τ2 = 20 seconds or the like. Therefore, the user can select the guidance switch S
By pressing W3 again, each display content can be slowly switched and displayed.

As described above, the user operates the guide switch SW
When 3 is pressed, various information in the current operation mode is continuously displayed at every display time τ2, so that the user can obtain various information in the current operation mode without complicated operation. it can.

As described above, according to the present embodiment, if the user operates the display changeover switch SW1,
Desired information can be specified and obtained, and if the guide switch SW3 is operated, various information in the current operation mode can be automatically obtained by time-division display. Therefore, it is possible to easily obtain desired information by appropriately operating the display changeover switch SW1 and the guide switch SW3.

Further, since addition and deletion of optional items can be performed, information desired by the user can be appropriately provided.

When the guide switch SW3 is operated,
Since a plurality of pieces of information are not displayed collectively on the display unit 12 but are sequentially displayed in a time-division manner, detailed information can be displayed respectively.

When all of the specified information is displayed in a time-division manner, the mode is automatically switched to the standard display mode. Therefore, the user obtains desired information by the time-division display, and It is possible to automatically obtain standard information without performing complicated operations.

Further, since the display time τ2 of the time-division display can be variably adjusted, the convenience for the user can be improved.

[0092]

As described above, according to the present invention, display means, selection means and control means are provided, and the selection means allows one or more pieces of information relating to the operation mode to be selected in accordance with the operation mode. And the control means sequentially displays the selected information on the display means at predetermined time intervals, so that it is possible to provide desired information to a user or the like without performing a complicated operation. it can. Further, the selected information is not displayed collectively on the display means, but is sequentially displayed in a time-division manner, so that detailed information can be displayed respectively. In addition, visibility and operability can be improved.

Also, since the display time of the time-division display can be variably adjusted, excellent convenience can be provided to the user.

When the switching means is operated, only the specific information desired by the user or the like is displayed, so that, for example, information considered important by the user or the like can be displayed preferentially. Further, by using it in combination with the time division display, it is possible to improve the convenience for the user and the like.

[Brief description of the drawings]

FIG. 1 is a structural diagram schematically showing the structure of a grain dryer of the present embodiment.

FIG. 2 is a plan view showing a configuration of an operation panel.

FIG. 3 is a block diagram illustrating a configuration of a control system.

FIG. 4 is an explanatory view exemplifying display items that can be selected and designated by a display changeover switch, and a diagram showing a memory map of data corresponding to the display items;

5 is a diagram showing a data structure for managing data of the display items shown in FIG.

FIG. 6 is an explanatory diagram exemplifying display items that can be selected and designated by a guide switch or the like;

FIG. 7 is a diagram showing a data structure for managing data of the display items shown in FIG. 6;

FIG. 8 is an explanatory diagram for schematically illustrating a display operation of the grain dryer of the present embodiment.

FIG. 9 is a plan view showing a specific example of a standard display displayed on a display unit.

FIG. 10 is a plan view showing a display example of time-division display when a guide switch is operated.

FIG. 11 is an explanatory diagram showing an operation example when selecting a display item displayed in a menu.

FIG. 12 is a flowchart for explaining in detail a display operation of the grain dryer of the present embodiment.

FIG. 13 is a flowchart for explaining the display operation of the grain dryer of the present embodiment in further detail.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Grain dryer 2 ... Grain collection room 3 ... Drying room 3a ... Heater 4 ... Storage room 5 ... Main body part 6 ... Elevator 8 ... Moisture meter 12 ... Display part 13 ... Control part 14 ... Storage part SW1 ... Display changeover switch SW2: change switch SW3: guide switch SW4: setting switch

Continued on the front page F term (reference) 3L113 AA07 AB03 AC04 AC40 AC41 AC45 AC46 AC53 AC54 AC57 AC60 AC63 AC65 AC67 AC78 AC79 AC82 AC83 AC90 BA03 CA02 CA03 CA08 CB03 CB24 CB28 CB34 CB35 CB38 DA01 DA07 DA08

Claims (6)

[Claims] 1. A grain dryer having display means for displaying one or more pieces of information relating to a state of an operation mode, wherein a selection means for selecting the one or more pieces of information in accordance with the operation mode. And a control means for sequentially displaying the information selected by the selection means on the display means at predetermined time intervals. 2. The grain dryer according to claim 1, wherein the control unit causes the display unit to perform a predetermined standard display when no information is selected by the selection unit. . 3. The grain dryer according to claim 1, wherein the control unit variably adjusts the predetermined time interval in accordance with an instruction from the selection unit. 4. The method according to claim 1, wherein the control means causes the display means to perform a predetermined standard display upon displaying all of the one or more pieces of information selected by the selection means. Item 4. The grain dryer according to any one of Items 1 to 3. 5. The grain according to claim 1, wherein the selection unit causes a menu display for selecting the one or more pieces of information to be displayed on the display unit. Dryer. 6. The selecting means includes switching means for selecting one of the one or more pieces of information, and the control means includes:
The grain dryer according to any one of claims 1 to 5, wherein, when the one piece of information is selected by the switching means, the one piece of information is continuously displayed on the display means.