JPH0651901U - Agricultural machine control device - Google Patents

Abstract

(57) [Summary] In the control device of an agricultural machine, in which the same controller (38) is provided with a plurality of software to be applied to a plurality of models and the controller (38) is shared by a plurality of models, the same number of software identifications as the respective models Harness (45) ~
(48) is provided in the controller (38), and the identification signal of each software to be selectively used is formed by the same number of software identification harnesses (45) to (48) as the number of software required to be identified. Even if the software identification harnesses (45) to (48) are broken or short-circuited, it is possible to prevent other software from being selected, and it is possible to easily prevent malfunction of the controller (38) due to execution of wrong software. It is possible to easily improve the safety and the like as compared with the related art.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a control device for an agricultural machine that is installed in, for example, a rice transplanter, combine, or tractor to control agricultural work.

[0002]

[Prior art]

 Conventionally, as disclosed in Japanese Examined Patent Publication No. 3-25801, there is a technique in which a plurality of softwares applicable to a plurality of models are provided in the same controller and the controller is shared by the plurality of models.

[0003]

[Problems to be solved by the device]

 In the prior art, two software identification harnesses are provided for four types of software, and four types of software are selected by combining four types of HL (1,0) signals. When at least one of the identification harness is broken or short-circuited, other software is selected, and there is a safety problem such as a malfunction of the controller and an accident.

[0004]

[Means for Solving the Problems]

 Therefore, the present invention provides a controller for an agricultural machine in which a plurality of software to be applied to a plurality of models are provided in the same controller and the controller is shared by a plurality of models. It is configured so that the identification signal of each software used properly is formed by the same number of software identification harnesses as the number of software items that need to be identified, and even if the software identification harness is disconnected or shorted The software can be prevented from being selected, the malfunction of the controller due to the execution of the wrong software can be easily prevented, and the safety and the like can be easily improved as compared with the conventional one.

[0005]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 is an explanatory view of a controller, FIG. 2 is a side view of a riding rice transplanter, and FIG. 3 is a plan view of the same. In FIG. 1, (1) is a traveling vehicle on which an operator rides, and an engine (2) is a body frame. It is mounted on (3) to support the front wheels (6) for traveling paddy fields, which are steering wheels, through the front axle case (5) in front of the mission case (4), and the rear axle on the rear of the mission case (4). A case (7) is provided in series, and the rear axle case (7) supports the rear wheel (8) for running paddy fields. The spare seedling mounts (10) are attached to both sides of the bonnet (9) that covers the engine (2) and the step (11) is formed. The body case (12) covers the mission case (4) and the like. A driver's seat (13) is attached to the upper part of the vehicle body cover (12), and a steering handle (14) is provided in front of the driver's seat (13) at the rear of the hood (9).

Further, (15) in the figure is a planting part equipped with a seedling table (16) for planting 6 rows, a plurality of planting claws (17), etc. A rotary case in which the forward-tilting seedling table (16) is supported by the planting case (20) via the lower rail (18) and the guide rail (19) so as to be slidable left and right, and rotated at a constant speed in one direction. (21) is supported by the planted case (20), and a pair of claw cases (22) and (22) are arranged symmetrically with respect to the rotation axis of the case (21). 2) Attach planting claws (17) (17) to the tips of (22). A support frame (24) is provided on the front side of the planting case (20) via a rolling fulcrum shaft (23), and a three-point link mechanism (27) including a top link (25) and a lower link (26) is provided. A supporting frame (24) is connected to the rear side of the traveling vehicle (1), and an elevating cylinder (28) for elevating and lowering the planting part (15) through the link mechanism (27) is connected to the lower link (26). Then, the front and rear wheels (6) and (8) are driven to move, and at the same time, the seedlings for one plant are taken out by the planting claws (17) from the seedling mounting table (16) that slides back and forth to the left and right, and continuously. Configure to plant seedlings.

Further, in the figure, (29) is a main gear shift lever, (30) is a sub gear shift lever for planting up / down and work traveling gear shifting, (31) is a planting sensitivity adjusting lever, (32) is a main clutch pedal, and (33) ) (33) is a left and right brake pedal, (34) is a center float for two-way leveling, (35) is a side float for two-way leveling, (36) is a side fertilizer applicator, and (37) is It is a chemical sprayer that automatically controls the steering of the front wheels (6) that automatically run along the adjacent seedlings, and adjusts the lateral inclination of the planting part (15) around the rolling fulcrum shaft (23). Rolling control performed automatically, planting section (15) is automatically adjusted up and down, planting depth control that keeps planting depth of planting nails (17) substantially constant, and running speed is continuously variable. Fertilization control that operates the fertilizer applicator (36) with line shift control as the basic control for rice transplanting work. In addition, the chemical spraying control for operating the spraying machine (37) is performed so that fertilization and chemical spraying can be performed simultaneously with the rice planting work. The fertilizer applicator (36) and the spreader (37) are configured to be mounted as needed.

Further, as shown in FIG. 1 and FIG. 4, the controller (38) for performing rice planting, fertilization and chemical spraying work is constituted by a microcomputer, and the traveling position detecting means or the planting section (15) left and right inclination detecting means. Harness for sensor input (39) to be connected to etc., harness for initial input (40) to be connected to automatic control reference value input means or automatic control start means, front wheel (6) steering means or planting section (15) An actuator output harness (41) to be connected to left and right tilting means and a power supply harness (42) for supplying power to the controller (38) are connected to the controller (38) via a plug (43) and an outlet (44). The software 1 that is to be connected and performs basic control including steering control, rolling control, vegetation depth control, and traveling speed change control, and Software 2 for performing fertilization control in addition to basic control, software 3 for performing chemical spraying control in addition to the basic control, and software 4 for performing fertilization control and chemical spraying control in addition to the basic control are the controller (38). In preparation for this, any one of the software 1 to software 4 is selected and executed.

In addition, four soft identification harnesses (45) (46) (47) (48), which are the same number as the four types of software 1 to software 4 that are used according to the model, are provided in the controller (38) and opened ( The identification signal input (H) which becomes high level in the state of (disconnection) and the identification signal input (L) which becomes low level in the state of short circuit (ground connection) are connected to the identification pins (A) and (B) of the plug (43). (C) It is generated in the harness (45) to (48) by the connection (D), and as shown in FIG. 5, based on the input (H) (L) of the pins (A) to (D), the combination 1 Alternatively, the software 1 to the software 4 are selectively selected by the combination 2 and any one of the software 1 to the software 4 is executed, and the plurality of software 1 to software 4 applied to a plurality of models are the same controller (38). To prepare In a controller for an agricultural machine that shares the controller (38) with a plurality of models, the same number of four software identification harnesses (45) to (48) as the number of software (4 types) to be used for each model are used for the controller (38). The identification signal (combination of four H and L) of each software 1 to software 4 which is selectively used is provided with four pieces of the software identification harness (45) to the same number as the number of pieces of software (4 types) required to be identified. (48).

The present embodiment is configured as described above, and any one of the pins (A) to (D) of the plug (43) is brought into an open state, and the soft identification harnesses (45) to (4). By setting any one of the identification signal inputs in 8) to the high level (H), soft 1 to soft 4 are selected by combination 1 in FIG. 5, and each pin (A) of the plug (43) is selected. ) To (D) are short-circuited, and the identification signal input of any one of the soft identification harnesses (45) to (48) is set to the low level (L), whereby the combination shown in FIG. The software 1 to the software 4 are selected one by one. The software selection control of either the combination 1 or the combination 2 (FIG. 4) is performed by the controller (38), and the software 1 to the software 4 is selected. Choose one Is to be executed. When any one or two or more of the harnesses (45) to (48) are broken or short-circuited, the combination 1 or the combination 2 does not select the soft 1 to the soft 4.

By selecting the combination 1 and the combination 2 in FIG. 5 at the same time, eight kinds of software can be selected, and by selecting the combination 3 in FIG. 5, the software 1 to the software 6 can be selected. 6 types of software can be selected, and the accident occurrence rate due to disconnection or short circuit is higher than that of combination 1 or combination 2, but it is better than selecting 4 types of software with the conventional 2 harnesses. The accident rate can be made extremely low.

Further, FIG. 6 is for selecting three kinds of software 1 to software 3, and three soft identification harnesses (45) (46) (47) are provided, and the combination 1 or combination of FIG. As in the case of 2, the soft 1 through the soft 3 are set by the combination 1 for setting any one of the identification signal inputs to the high level (H) or the combination 2 for setting the one of the identification signal inputs to the low level (L). No other software will be selected due to disconnection or short circuit.

Further, FIG. 7 is for selecting two kinds of software 1 and software 2. Two soft identification harnesses (45) and (46) are provided, and identification signals of the respective harnesses (45) and (46) are provided. Soft 1 is selected when the input is low level (L), and soft 2 is selected when the identification signal input of each harness (45) (46) is high level (H). No software is selected.

[0014]

[Effect of device]

 As is apparent from the above-described embodiments, the present invention is provided with a plurality of software to be applied to a plurality of models in the same controller (38), and the controller (38) is shared by a plurality of models. The same number of software identification harnesses (45) to (48) as the number of pieces of software are provided in the controller (38), and the identification signal of each piece of software is used. ) To (48), it is possible to prevent other software from being selected even if the soft identification harnesses (45) to (48) are broken or short-circuited, and it is possible to prevent incorrect software from being selected. It is possible to easily prevent malfunction of the controller (38) due to execution, and to easily improve safety as compared with the conventional case.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a controller.

FIG. 2 is a side view of a riding rice transplanter.

FIG. 3 is a plan view of the same.

FIG. 4 is a flowchart of FIG.

FIG. 5 is a table showing four types of soft selection examples.

FIG. 6 is a table showing three types of software selection examples.

FIG. 7 is a table showing two types of soft selection examples.

[Explanation of symbols]

 (38) Controller (45) to (48) Soft identification harness

Claims (1)

[Scope of utility model registration request] 1. In an agricultural machine control device in which a plurality of software to be applied to a plurality of models are provided in the same controller and the controller is shared by a plurality of models, the same number of software identification harnesses as the software to be used for each model is provided in the controller. A control device for an agricultural machine, characterized in that the identification signal of each software to be selectively used is formed by the same number of the software identification harnesses as the software required to be identified.