JPH06150099A - Data collector for farm machine - Google Patents

Abstract

PURPOSE:To easily recognize timing for exchanging maintenance parts at any time and to keep a machine in the optimum state by subtracting using time from exchange time at every part and displaying the timing of exchange on the display part of a managing terminal equipment. CONSTITUTION:When header input work is completed, a header input item is written in a RAM card 29, and work is started. The collection/recording of work data is started by pressing a work start switch, and obtained data such as a travelled distance, consumed fuel quantity and worked area or the like are temporarily stored in a RAM 25. Then, a CPU 21 of a data collector 20 accumulates the working time of maintenance parts, the using time of respective parts in a maintenance file is recorded, the using time is subtracted from the previously set timing of exchanging respective parts, and remaining time until the exchange is recorded in the RAM card 29. Further, when a maintenance information changeover switch is pressed, the remaining time of respective exchange parts is displayed on a display part 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data collecting device for collecting sensor information of agricultural machines such as tractors and combine harvesters in order to grasp the working status of the agricultural machines.
In addition to recording the data, the usage time of various maintenance parts equipped in this machine is also recorded to ensure good maintenance work.

[0002]

2. Description of the Related Art With the rationalization of agricultural management and the high performance of agricultural machinery, various work data such as mileage per field or day, work area, fuel consumption, etc. are collected and used. It is becoming more and more important to weigh and compare the above items and use them for future work plans. The method that has been conventionally used to collect these data is to read the values of the fuel gauge and rangefinder attached to the agricultural machine at the start and end of the work and calculate the difference. The accuracy of the obtained data was low, and the data collection work and the data arrangement after the collection were troublesome.

Therefore, the applicant mounts the management terminal on an agricultural machine, connects the controller on the machine side and the management terminal with an optical communication line, and connects various data being worked to the management terminal. −
We have previously proposed a system that stores the data in a drive-type memory and analyzes the work efficiency with an analysis device such as a personal computer after the work is completed.

[0004]

By the way, it is important for the management terminal to know not only the work data but also the time to replace various oils, filters, etc., in order to keep the machine in an optimum state at all times. is there. However, conventionally, the operating time of the machine is calculated from an awametr or the like to know the replacement time of the parts, or the operator records the type and the replacement date of the replacement parts in the daily work report, and then refers to the record next time. Therefore, there is no other way than to know the replacement time, and since the replacement time differs for each part, it is difficult to accurately grasp the replacement time.

[0005]

SUMMARY OF THE INVENTION The present invention is proposed in view of the above problems, and it is an object of the present invention to provide an apparatus capable of visually confirming the replacement time of parts whenever an operator wants to know. . Therefore, the following technical measures were taken. That is, in a data collection device mounted on an agricultural machine and configured to transmit data on the machine side to a management terminal device via a communication line, use of various replacement parts equipped on the machine The management terminal is provided with a means for integrating and recording time, and the replacement time for each part preset on the management terminal side is subtracted from the usage time until then, and the replacement time is displayed on the display section of the management terminal. The data collecting device of the agricultural machine is characterized by the above.

[0006]

Embodiments of the present invention will be described below based on the embodiments shown in the drawings. FIG. 1 is a block diagram of a data collection device. In the figure, reference numeral 1 is a control device for an agricultural machine (for example, a tractor), and is responsible for overall control of a traveling unit and each operating part. Various sensors 2 ... Operation switches 3 ...
And signals from the setters 4 ... Are input interface 6
Is input to the CPU 7 via the output interface 9, and the CPU 7 outputs the motor based on the input signal via the output interface 9.
An output signal is output to the actuator 10 such as a solenoid or a valve. Necessary input information and output information are displayed on display devices 11 such as meters and lamps. An electrically rewritable non-volatile memory (E ² PROM) 12 is connected to the CPU 7 via a memory interface.
In this non-volatile memory 12, data relating to the tire diameter is updated and recorded as will be described later.

The vehicle speed sensor 2A and the fuel flow rate sensor 2B among the respective sensors generate sensor pulses according to the instantaneous value of the vehicle speed or the fuel flow rate, and the sensor pulse count number n ₁ within a fixed period T, n ₂ ... Is transmitted to the CPU 7 by a communication pulse (see FIG. 2).
reference). Other sensors include a lower link sensor, a lift arm angle sensor, and a horizontal sensor in the case of a tractor, and a cutting width sensor in the case of a combine.
Since the detection signals of these sensors are DC currents, the detection signals are converted by the A / D converter 13 and then input to the CPU 7.

Reference numeral 20 in FIG. 1 is a data collection device (management terminal device), which is used by being communicably connected to the control device 1. The data collecting device 20 includes a CPU 21 and an operating unit 2.
2, a main body 20a having a display unit 23, a RAM 25, a Chinese character ROM 26, etc., and a ROM card 28 and a RAM card 29 as a storage medium that is selectively attached to the main body. The ROM card 28 stores a control program for each model and model of the agricultural machine. The RAM card 29 can store data for each predetermined item. FIG. 8 shows an example of data items.

The data collecting device 20 is shown in FIGS. 3 to 5, for example.
It has the appearance as shown in. Box-shaped main body 20a
Power ON / OFF switches 31 and 32, various operation switches 33, an input key 34 for inputting kana and numbers, and a display unit 23 using a liquid crystal display are provided on the front of the computer, and a ROM card is provided on one side. Insert ports 36 and 37 for the card 28 and the RAM card 29 and a printer connector 38 are provided. Among the operation switches 33 are a work start switch 33a which is pushed when starting data collection, a work stop switch 33b which is pushed when work is temporarily stopped, and a work end switch 33c which is pushed when work is finished. , And a screen changeover switch 33d and a maintenance information changeover switch 33e which are pushed when changing screens.

Communication between the control device 1 and the data collection device 20 is performed via the communication interfaces 40 and 41. The illustrated example is a method by optical communication, in which an optical interface 41 is provided on the bottom surface of the mounting groove 43 of the main body 20a of the data collecting device and the communication interface of the control device. The unit unit 44 is also provided with a similar optical interface. When the data collecting device main body 20a is attached to the communication interface 44, both optical interfaces come to face each other and information between both devices becomes possible. When the optical communication is performed as described above, the data collection device 20 can be easily attached to and detached from the agricultural machine, and it is possible to perform good communication because it is not easily affected by vibration.

When the agricultural machine is a tractor, if the communication interface unit 44 is attached to the center pillar in the cabin, the data collection device 20 can be operated while sitting in the cockpit. It is convenient because it can be performed. The operation method of the data collection device 20 will be described below. When the data collecting device 20 is attached to the communication interface unit 44 and the power ON switch 31 is pressed (power ON), the communication between the data collecting device 20 and the control device 1 is started. If the communication status is good, first read the ROM card.
It is confirmed whether the control program of C28 matches the model and model of the actual agricultural machine. This confirmation operation is
The command is sent from the data collection device 20 to the control device 1 to confirm the connection. If there is an error in communication, an error message is displayed, and if there is no error, the header input work starts. Input the header using the input key 34. In the header items mentioned here, the date of work, model code (set T for tractor, set H for combine), model code (set for each model such as TA, HA ...) ), The code of the worker, the field number, and the machine number are input. These are the cases according to the data items in FIG. 8, which are set appropriately by the user and are convenient for identification.

Then, the maintenance file of the corresponding machine number is opened, and the usage time of the replacement part installed in the machine is read. The replacement parts referred to here include various oils such as engine oil and gear oil, and consumable parts such as an engine oil filter, a fuel filter, and an air cleaner. When the header input work is completed, the header input items are written in the RAM card 29 and the work is started. Collection and recording of work data is started by pressing the work start switch 33a. The obtained data, for example, the traveled distance, the fuel consumption amount, the work area, etc. are temporarily stored in the RAM 25. At this time, if the work interruption switch 33b or the screen changeover switch 33d is pressed, the processing based on those switches is performed. Specifically, when the agricultural machine is temporarily stopped by a meal or the like, pressing the work interruption switch 33b allows the work data up to that time to be retained. When restarting the work, the interruption switch 33
Press b again. R when the work end switch 33c is pressed
The data written in AM25 is RAM card 29.
Is transferred to and stored as is. Then, the display unit 23
The main work data is displayed on the LCD screen. Display items are field number, work start time, work end time, mileage,
Fuel consumption, work area, etc. A record of maintenance is then written to the maintenance file. Specifically, the CPU 21 of the data collection device 20 integrates the working time of the maintenance parts and records the usage time of each part in the maintenance file. Then, the usage time is subtracted from the preset replacement time of each part, and the remaining time until the replacement is performed by the RAM card.
It is stored in the memory 29. If the maintenance information changeover switch 33e is pressed, the remaining time of each replacement part is displayed on the display unit 23. FIG. 6 shows an example of the display.

The work is completed by pressing the power OFF switch 32. As described above, when the maintenance information changeover switch 33e is operated during the work, the time until the replacement of various parts mounted on the agricultural machine is sequentially displayed. Therefore, the operator can easily know the maintenance information of the machine at any time and can maintain the machine in an optimum state.

Next, FIGS. 10 and 11 will be described. The display unit 23 of the data collecting device 20 is configured to be able to display the engine speed, the PTO shaft speed, and the vehicle speed, but the tractor is the final reduction shaft of the rear wheel drive unit. The vehicle speed is only determined by measuring the number of rotations of the vehicle and considering the tire diameter of the rear wheels. When the tire diameter changes, the vehicle speed changes accordingly.

The device shown in the figure uses a data collecting device 20 in order to solve such a problem, and thus the tire diameter data is collected.
It is designed to be corrected. A rotation sensor 50 for detecting the number of revolutions of the final reduction shaft of the rear wheels is connected to the control device 1 on the machine side, and correction data regarding the tire diameter is transmitted to the machine side via a communication line with the data collecting device 20. To the nonvolatile memory (E ² P
ROM) 12. The writing operation is performed using the input key 34 of the data collecting device 20. In displaying the vehicle speed, first, the number of revolutions (n) of the rear wheel final drive shaft is read, the tire diameter data (l) in the non-volatile memory 12 is read, and these are multiplied by a constant (k) to display unit 23. The vehicle speed V is displayed on.

[0016]

As described above, the present invention is a data collecting device which is mounted on an agricultural machine and is configured to transmit the data on the machine side to a management terminal via a communication line.
The management terminal is equipped with a means for cumulatively recording the usage time of various replacement parts equipped in this machine, and the replacement time is subtracted from the replacement time preset for each part on the management terminal side for replacement. Since it is a data collection device for agricultural machinery characterized by displaying the time on the display unit of the management terminal, it is possible to easily and quickly know the time to replace the maintenance parts. It is possible to maintain the machine in an optimum state without making a mistake.

[Brief description of drawings]

FIG. 1 is a system block diagram.

FIG. 2 is a diagram showing a detection method of a sensor.

FIG. 3 is a front view of the data collection device.

FIG. 4 is a perspective view of a data collection device.

FIG. 5 is a side view of the data collection device.

FIG. 6 is a diagram illustrating a display example of a data collection device.

FIG. 7 is a flowchart.

FIG. 8 is a diagram illustrating an example of data items.

FIG. 9 is a diagram illustrating the contents of a maintenance file.

FIG. 10 is a block diagram of an improved device.

FIG. 11 is a flowchart illustrating the operation of the device using the improved device.

[Explanation of symbols]

 1 Control device 2 Sensor 3 Operation switch 4 Setting device 20 Data collection device 21 CPU 22 Operation part 23 Display part 25 RAM 26 ROM 28 ROM card 29 RAM card 33a Work start switch 33b Work interruption switch 33c Work end switch

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Seiichi Arima No. 1 Yakura, Tobe Town, Iyo-gun, Ehime Prefecture

Claims (1)

[Claims] 1. A data collection device mounted on an agricultural machine and configured to transmit data on the machine side to a management terminal device via a communication line, and various exchanges equipped on the machine. The management terminal is equipped with means for cumulatively recording the usage time of the parts, and the replacement time for each part is subtracted from the replacement time preset for each part on the management terminal side, and the replacement time is displayed on the management terminal display. A data collection device for an agricultural machine characterized by being displayed on.