JP2002014688A - Sound generating device for agricultural machinery - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely inform an operator of the contents of an abnormality detected by a sensor and also information on driving. SOLUTION: In the agricultural machinery having sensors arranged in each part thereon and a controller to issue instructions for operation by discriminating a driving situation of the machine, the controller is connected with a horn and a sound generation means so as to make the horn sound intermittently before and after a speech message by the sound generation means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound generator for an agricultural machine such as a combine or a tractor.

[0002]

2. Description of the Related Art Agricultural machines such as combine harvesters and tractors are known to be equipped with not only a visual display device such as an instrument and a liquid crystal monitor but also a sound generating device for emitting sound.

[0003]

In most of the conventional apparatuses, the horn or the sound generator operates independently of each other, and the combination of the two is not widely known. Further, in the case where only the horn is provided and the horn is used to detect an abnormality, there is a problem that the content of the notification is unknown only by the horn and the operator does not know what causes the horn to operate.

[0004] Further, in a configuration in which the content of an abnormality is conveyed only by a voice message by a voice generating device, if the volume is low, the message is erased by the noise of the machine and an important message cannot be heard. In particular, at the moment when the sound generator was activated, the worker could not fully hear the contents of the early stage of the generation because the worker was dedicated to the work.

[0005]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above problems, and has the following configuration. That is, according to the first aspect of the present invention, in an agricultural machine having a sensor provided in each section of the agricultural machine and a controller for determining an operation state of the machine and issuing an operation command, a horn and a sound generating means are provided on the output side of the controller. And sounding a horn before and after the voice message by the voice generating means.

According to the second aspect of the present invention, the notification is provided with a very short time interval between the horn and the voice message. According to a third aspect of the present invention, there is provided the voice generating apparatus according to the first or second aspect, wherein the horn is caused to sound short.

[0007]

The various sensors provided in each part of the agricultural machine detect the operating state of the machine or the presence or absence of an abnormality in the machine and transmit the detection signal to the controller. The controller receives the signal and issues an operation command to a control target location, or notifies a worker of an alarm or guidance regarding a driving state through a horn and a voice generating unit.

The operator can grasp the state of the machine from the notification result and always take appropriate measures.

[0009]

According to the present invention, there is provided an agricultural machine having a sensor provided at each part of the agricultural machine and a controller for discriminating an operation state of the machine and issuing an operation command. And the sound generator of the agricultural machine is characterized in that the horn sounds before and after the voice message by the sound generator, so that even if either the horn or the sound generator fails, One of the warnings can be heard, and the response can be safely and reliably taken without erroneous response due to hearing of the contents of the warning. Further, since the horn is sounded for a short time before and after the voice message is issued as described in claim 2, the worker can be sufficiently alerted and the content of the voice message is not overlooked. Further, since the horn is configured to sound shortly as in claim 3, it is possible to reliably and clearly transmit the contents of the voice message to be notified thereafter, and to avoid inconvenience to surrounding people. .

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a side view of a combine 1 in which a threshing unit 4 and a Glen tank 5 are provided above and below a traveling vehicle body 3 having a traveling crawler 2 in a horizontal direction.

The grain culm, such as wheat or rice, cut by the cutting unit 7 is transported upward by the grain culm transport device 8 and further guided to the threshing unit 4 via the feed chain 9. The grains threshed in the threshing unit 4 are sent to the Glen tank 5 via the first spiral (not shown), and the grains contained in the Glen tank 5 are discharged out of the machine by the grain discharge auger 10. You. A main transmission operation lever 12 is provided on the left lateral side of the cockpit 11. When the main transmission operation lever 12 is operated in the front-rear direction, the swash plate of the hydraulic continuously variable transmission HST is appropriately switched so that the machine body moves forward. Stop or reverse. Symbol 15
Denotes a threshing clutch operation lever, and 16 denotes a reaping clutch operation lever. When the threshing clutch operating lever 15 is moved to the entry side, the threshing switch 20 is turned on, and the threshing clutch 22 is turned on.
And the handling drum 23 of the threshing unit 4 rotates. When the reaping clutch operation lever 16 is operated to the input side, the reaping switch 24 is turned ON, the reaping clutch 25 is engaged, and the reaping unit 7 and the grain culm conveying device 8 are operated. Reference numeral 27 denotes a feed chain stop switch for stopping the feed chain 9. When this switch is turned on, a stop SOL 28 for the feed chain 9 is operated and the feed chain 9 is stopped.

On the other hand, a steering lever 30 for steering the airframe is provided at the front of the cockpit 11. When the steering lever 30 is operated in the left-right direction, a steering clutch (not shown) in the transmission case is activated. When operated, the aircraft turns right or left, and when the steering lever 30 is moved back and forth, the reaping unit 7 is configured to move up and down. A display panel 32 is provided at the front of the cockpit 11 and contains instruments for displaying the number of revolutions of the engine 13, the remaining amount of fuel, the water temperature of the cooling system, and the like.

A horn 34 that emits an alarm sound and a speaker 35 that outputs the contents of the alarm and other information relating to the driving operation as sounds are attached to the lateral side of the instrument panel 32. FIG. 3 is a block diagram showing an outline of a control system of the sound generator. On the input side of a controller 40 composed of a microcomputer, a paddy clogging sensor 37 for detecting paddy clogging, a water temperature sensor 38 for detecting a water temperature abnormality of the engine 13 cooling system,
A waste clog sensor 39 for detecting a clog of waste and a vehicle speed sensor 41 for detecting a vehicle speed are connected. Furthermore,
The feed chain stop switch 27, the threshing switch 20, and the mowing switch 24 are connected to the input side of the controller 40. A horn 34, a speaker 35, a feed chain stop relay 28, a SOL 44 for turning on a threshing clutch, a relay 45 for turning off a cutting clutch, and a relay 46 for turning on a cutting clutch are connected to the output side of the controller 40. A voice synthesizer 42 is incorporated in the controller 40.
Is activated, a voice output is output from the voice synthesizer 42 to the speaker 35, and a message "paddy is clogged" is issued. Similarly, when the water temperature sensor 38 detects a water temperature abnormality, a message “The engine is overheated” is output from the speaker 35. FIG. 4 is a time chart at that time, and as is apparent from FIG. 4, an alarm sound by the horn 34 sounds before and after the voice message. That is, when the sensor detects an abnormality,
The horn 34 sounds for a very short time of about 0.2 seconds to 0.5 seconds, emits voice messages at intervals of a predetermined short time (0.5 seconds), and outputs a predetermined short time after the end of the voice message. The horn 34 is configured to operate at intervals of time. In this embodiment, the voice message is set to about 2 to 3 seconds.

FIG. 5 shows another embodiment in which a speech synthesizing unit is retrofitted to a combine having only the horn 34 and a system capable of easily issuing a voice alarm is constructed. The configuration of FIG. 1 will be briefly described. The horn 34 is connected to the controller 50 of the main unit, and various sensors are connected to the input side. In the case of an inexpensive combine, only the horn 34 is provided. When the voice alarm unit 51 is retrofitted, the output I / O 48 of the controller 50 and the input I / O 49 of the voice alarm unit 51 are connected by one harness 52. At the same time, the output I /
O48 and the input-side I / O 47 are connected by a signal line 54. When the audio alarm unit 51 is not connected, only the alarm sound is emitted from the horn 34 connected to the main controller 50, but the main controller 50
When the audio alarm unit 51 is connected to the controller 5, the controller 5
0 is applied to the audio ON / OFF terminal 55, and the voltage is fed back to the input side I / O 47 via the signal line 54.
Is recognized, and a voice message by voice synthesis is output from the speaker 35.

FIGS. 6, 7 and 8 show a grain discharging auger 10.
Is explained. The grain discharging auger 10 of the combine 1 described in the above embodiment is provided with a brake at the rotating part, and the brake is activated immediately when the output for turning the grain discharging auger 10 is turned off, so that the grain is discharged. The rotation of the particle discharging auger 10 is controlled to be stopped.

However, conventionally, since the moment of inertia varies depending on the turning speed of the grain discharging auger 10,
In particular, when the grain discharge auger 10 is swirled largely, there is a problem that it is difficult to stop the augment due to the large moment of inertia. If an attempt is made to apply a brake that only cancels this moment of inertia, an excessive stress is applied to the brake portion, and there is a risk that the brake and the turning gear may be damaged.

The turning control of the auger described here is to solve the above-mentioned problem by changing the time for operating the brake from the length of the turning output time of the grain discharging auger 10. As shown in FIG. 8, a right turning switch 59 and a left turning switch 60 are connected to the input side of the turning control controller 58, and the grain discharge auger 10 is connected to the output side.
An electric motor 61 capable of rotating forward and backward and a SOL 62 for braking are connected.

When the right turning switch 59 provided near the cockpit 11 is pressed, the grain discharging auger 10 starts turning right. If the pushing time is long, in other words, if the turning output time is long, the hand , And the time from when the rotation output time is short is t2.
Then, in the turning control in this embodiment, t1 is set to be larger than t2. That is, the brake output is output at intervals when the turning output time is long, and the brake output is output immediately when the turning output time is short.

FIG. 7 illustrates the same operation as that of FIG. 6. For example, when the right turn switch 59 is pressed and the output time W1 is long, the time t until the brake output is output is t.
When b1 is made longer and the time W2 for pressing the right turn switch 59 is shorter, the time until the brake output is output is made shorter.

As described above, since the timing at which the brake is applied is changed in accordance with the length of the turning output time of the grain discharging auger 10, an excessive force is applied to the brake or the turning gear due to the difference in the moment of inertia. Therefore, there is no problem that these are damaged.

Next, the feed chain control shown in FIGS. 9, 10 and 11 will be described. Combine 1 mentioned above
Is to stop the traveling body 3 and turn the feed chain stop switch 27 when the feed chain stop switch 27 is turned on. When the stop of the machine is detected and the power of the feed chain 9 is turned off immediately, the feed chain is stopped. The number of actuations of the cutting motor and the relay increases, and it is easy to break down. For this reason, in the improved device described here, the stop of the feed chain 9 is output after a lapse of a certain period of time after detecting the stop. The specific configuration is as shown in FIG. 3. When the vehicle speed sensor detects a stop of the body based on a signal from the vehicle speed sensor 41, the feed chain stop relay 28 is operated after a predetermined time.

FIG. 10 shows that the cutting clutch 25 as well as the feed chain 9 is disengaged at the same time. When the combine 1 is stopped and starts moving again, the mowing starts first and the movement of the feed chain 9 is delayed, so that there is a possibility that the feed chain 9 and the feed chain 9 may be clogged. To prevent this, the feed chain 9 and the reaping clutch 25 are simultaneously disengaged after a certain period of time when a stop is detected.

[Brief description of the drawings]

FIG. 1 is a side view of a combine.

FIG. 2 is a plan view of the combine.

FIG. 3 is a block diagram.

FIG. 4 is a time chart.

FIG. 5 is a block diagram when an audio alarm unit is attached.

FIG. 6 is a time chart.

FIG. 7 is a time chart.

FIG. 8 is a block diagram.

FIG. 9 is a time chart.

FIG. 10 is a time chart.

FIG. 11 is a power transmission diagram.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Combine 2 Traveling crawler 3 Traveling vehicle body 4 Threshing unit 5 Glen tank 7 Cutting unit 8 Kernel transport device 9 Feed chain 10 Kernel discharge auger 11 Pilot seat 34 Horn 35 Speaker 40 Controller

 ────────────────────────────────────────────────── ─── Continued on the front page F term (reference) 2B074 AA02 AB01 AC02 AD05 AF02 AG03 DA01 DA02 DB03 DB04 DD01 DE03 DF03 EA17 ED01 ED02 2B076 AA03 EA03 ED23 5D045 AB30

Claims (3)

[Claims] 1. An agricultural machine having a sensor provided at each part of the agricultural machine and a controller for determining an operation state of the machine and issuing an operation command, wherein a horn and a sound generating means are connected to an output side of the controller, A sound generator for an agricultural machine, wherein a horn is sounded before and after a sound message by a sound generator. 2. The system according to claim 1, wherein a short time is provided between the horn and the voice message.
An audio generator as described. 3. The sound generating device according to claim 1, wherein the horn is sounded shortly.