JPH01116837A - Checking system for control output part of combine or this like - Google Patents

Abstract

PURPOSE:To easily and safely perform the operation by providing a display part on which an output part to be checked, the indication of checking operation, the checked result, etc., are displayed and select switches with which the selecting operation is performed in accordance with the display of the indication. CONSTITUTION:When a controller (CPU) of a working machine is set to the operatable state and a select switch S1 is turned on, the indication of output checking operation is displayed on a display part 3, and then, select switches S1-S4 are operated in accordance with this indication. When a concrete output part 5 to be checked is displayed checking of the output part 5 is designated by simultaneous turning-on of select switches S1 and S3 which are not adjacent to each other and the prescribed output part 5 is operated by the output from the controller (CPU). Normalcy or abnormality of the output part 5 is displayed on the display part 3. Thus, the control constitution of a checker 2 is simplified and the operation is easy and safe because it is performed in the checker 2.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a control output section checking method for checking a control output section of a working machine such as a combine harvester or a tractor.

Conventional technology and problems to be solved by the invention Combine harvesters employ various automatic control methods such as steering control, cutting height control, and culm supply source control for the threshing device. To check whether the control is working accurately, check the operation of the sensors involved in each control.
It is also necessary to check the operation of the output section that operates based on input from sensors. However, when checking the output section, it is often difficult to determine whether it is normal or abnormal even if the worker operates it manually, and it is dangerous if the output section is part of the working section.

Means for Solving the Problems This invention provides a controller (C) that operates a predetermined output section (4) based on the operation input of a sensor (A) to control work.
in a checker (2) connected to P U ) to check the operation of said output part (4);

A display unit (3) that displays output units to be checked (5), instructions for check operations, and check results, and a selection switch (S) that performs selection operations according to the instruction display.
(lo) (S2) (S3) (S4) The control output section of a combine harvester or the like is configured as a check-event type.

Functions and Effects of the Invention When the controller (CPU) of the work machine is in a working state and the selection switch (sl) is turned on, an instruction for output check operation is displayed on the display section (3). Therefore, this instruction - hence the selection switch (si) ~
Perform the operation in (S4). Once the specific output section (5) to be checked is displayed, the check specification for this output section (5) can be made, for example, by simultaneously turning on the selection switches (SL) (S3) located at separate positions. , a predetermined output m (5) is activated by the output from the controller (CPU). Also, whether the output section (5) is normal or abnormal is displayed on the display section (3).

In this way, the checker (2)
Using the output harness from U) to the output section (5),
This is because the operating output state of each output section (5) can be checked by operating the selection switches (Sl) to (S4) while displaying the procedure and results of the check operation on the display section (3,). In addition to maintaining accurate checking, the control configuration by the checker (2) can be simplified, and since the operation is performed in the checker (2) section, it is simple and easy, and safety can be improved.

Embodiment In the example in Figure 5, the checker (2) is connected to the operation panel (8).
), and on the upper level of this operation panel (8) there is an input switch (9) that inputs power to this checker (2), and a harness that connects this checker (2) to the controller (CPU) on the combine (10) side. Connector (1
), and a liquid crystal display display section (3) is provided in the middle,
Also, at the bottom.

Manually operated selection switch (SL) (S2) (S3) (
S4) is provided.

The combine (10) has a vehicle body (12) equipped with an engine and a pair of left and right traveling devices (11) that are transmission driven.
, a reaping device (13) that is raised and lowered via a hydraulic circuit by a lifting cylinder with respect to the front part of this vehicle body (12);
A transfer device (14) that feeds the threshing device (15) while transferring the husks to be harvested by the reaping device (13), and changes and adjusts the depth of this feeding, this transfer device! (
14) A threshing device (i
s), a control device (16), etc.

As the sensor (A), a steering sensor (A1) is provided at the weeding part of the cutting device (13), and a cutting height sensor (A2) is provided at the rear of the cutting blade device to detect the handling depth. Root depth sensor (
A3) is installed in front of the supply port of the threshing device (15). The steering sensor (A1) slides into contact with the stock base of the reaped culm and detects the direction of movement of the combine harvester (10) relative to the culm alignment direction, thereby providing input to a controller (CPU) consisting of a microcomputer, etc. , the traveling device (11) is configured to output to the solenoid valve (17) which is the output part (5) of the hydraulic operation circuit so as to operate the transmission shank steering clutch, and the traveling device (11) is configured to output the output to the solenoid valve (17) which is the output part (5) of the hydraulic operation circuit. Control the steering so that it does. In addition, the cutting height sensor (A2) transmits ultrasonic waves to the running ground, detects the height between the cutting blade device section and the ground, and inputs it to the controller (CPU) to control the lifting cylinder. The solenoid valve (18) for lifting and lowering, which is the output part (5) of the hydraulic circuit for expanding and contracting, is outputted,
The cutting height is controlled to be constant. Further, the root depth sensor (A3) detects the position of the tip of the culm transferred and supplied by the transfer device (14), and detects the position of the tip of the culm transferred and supplied by the transfer device (14), and detects the position of the tip of the culm transferred and supplied by the transfer device (14),
The motor switch (19) is turned on and off to change and adjust the holding position of the reaped husk culm by the transfer device (14),
The feeding depth of the ear portion to the threshing device (15) is controlled to be maintained constant.

In addition to the above-mentioned sensors, there is also a vehicle speed sensor (A4) that detects the vehicle speed of the traveling device (11), and a vehicle body (A4) of the reaping device (13).
12) A position sensor (
A5), threshing switch (A6), etc. are provided.

Regarding control operations using the selection switches (SL) (S2) (83) (84), as shown in the flowcharts (Figs. 4 to 9), select the selection switches (SL) according to the display on the display section (3). (S2) Press (S3) and (S4) to turn on.

First, regarding FIGS. 4 and 5, each sensor (A1
) to (A6), etc., and this input check mode is specified in steps (20) to (22). Each of these execution displays is displayed on the display section (3), and the selection switch (Sl) or (S4) is pressed accordingly.
Turn on. In steps (23) to (25), the input sensor (A) is specifically specified, and the cutting height sensor (A
2) The cutting height sensor (A2
) by hand to turn it on and off (26), and then turn the display (
Viewing the Display Results of 3) When the ON/OFF display of the cutting height sensor (A2) is accurately displayed on the 0 display section (3), it is normal, and when there is an error in the 1 display, it is abnormal. In the event of such an abnormality, a buzzer, lamp, etc. may be used to display the information.

When moving on to the next section, the process goes through step (28) and, for example, when checking the vehicle speed sensor (A4), it is performed in the same manner as steps (23) to (27) above. however,
At this time, the vehicle speed is displayed in step (26), but this vehicle speed is not displayed when checking while work is stopped, and if the check is not performed during this step, (28) When switching to checking the input line of the sensor (A), step (28) returns to the original step (20) and the same operation as above is performed again.

If you want to automatically check whether each sensor (A) is in a normal state during combine harvester work, please refer to Figures 6 and 7.
As shown in the figure, the 1 display section (3) is displayed in the self-check mode (30), so that steps (31) to
At (38) each sensor (A) is automatically checked in sequence. Whether the check result is normal or abnormal is displayed at the bottom of the display section (3).

Each sensor (A) in such self-check mode
is checked when sensor (A) is activated.

FIG. 8 and FIG. 9 show the case where one display section (3) is switched to the output check mode, and in this output check mode, each output section (5) is checked. The output to be checked includes a turning check (43) (54) that checks the output operation of the solenoid valve (17) for turning the traveling direction by operating the steering clutch (17), steering brake, etc.; Elevation check (55) (56) that checks the output operation of the solenoid valve (18) for elevating the reaping device (13), motor switch (1) of the control motor that moves the transfer device (14)
Motor check (57) to check the output operation of 9)
(58), a horn check (59) to check the horn as a check of other output parts (5),
Check the monitor lamp Monitor lamp check (
60) etc.

Each of these check circuits uses the output circuit for each output section to turn ON the 1 selection switches (Sl) to (S4), etc.
, try operating it with OFF operation.

This is to determine whether or not normal output operation has been performed.

The output check mode is specified (40) to (42), and specific check points of each output section are specified (43) to
(45), an open turn is performed with the two selection switches (Sl) and (S3) pressed (46) to (SO), and the other output section (5) is turned on with the selection switch (S2) turned on. Specify check points sequentially by operating (52) to (60)
It is checked even though it is L.

[Brief explanation of the drawing]

The figures show one embodiment of the present invention, in which Fig. 1 is a plan view of the checker, Fig. 2 is a block diagram, Fig. 3 is a side view of the combine harvester, Fig. 4 is a flowchart, and Fig. 5 is a partial diagram. FIG. Figure 6 is a flowchart, Figure 7 is a partial diagram of its operation,
FIG. 8 is a flowchart, and FIG. 9 is a partial operational diagram. In the figure, code (1) is the connector, and (2) is the checker 1 (
3) is the display section, (5) is the output section, (17) and (18) are the solenoid valves, (19) is the motor switch, (A) is the sensor, (CPU) is the controller, (Sl) to (S4)
) indicates a selection switch.

Claims (1)

[Claims] A checker () that is connected to a controller (CPU) that operates a predetermined output section (4) according to the operation input of the sensor (A) to control work, and checks the operation of the output section (4).
2), a display section (3) that displays an output section (5) to be checked, an instruction for a check operation, a check result, etc., and a selection switch (S1) (S2) that performs a selection operation according to the instruction display. ) (S3) (S4) A control output section check method for combine harvesters, etc.