JP2000255352A - Warning device of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent an unnecessary warning, and to prevent sudden departure of a vehicle by announcing the presence of an obstacle according to an announcing signal outputted when confirming a continuance ranging over setting time of an accelerator pedal nonoperating state in a state where the obstacle exists in the vehicle advancing direction and a shift range is set in a travel range. SOLUTION: When confirming a continuance ranging over setting time of a nonoperating state when confirming a nonoperating state of an accelerator pedal in a state where an obstacle exists in the vehicle advancing direction according to detecting signals of an obstacle detecting means 1, a shift range detecting means 2 and an accelerator detecting means 3 and a shift range is set in a travel range, an announcing control means 5 outputs an announcing signal to an information display part 6. Thus, when performing inertial travel ranging over a specific time in the travel range when traveling on a stagnant road, suddent departure of a vehicle by a stepping error between a brake pedal and an accelerator pedal can be prevented by previously announcing information so that a driver is not confused by noticing the obstacle approaching just before the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an alarm device for a vehicle for preventing the vehicle from suddenly starting due to an erroneous operation by a driver.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Application Laid-Open No. 9-287488, for example, a speed detecting means for detecting a running speed of a vehicle, and an opening degree of a throttle valve of the vehicle corresponding to an amount of depression of an accelerator pedal. Opening adjustment means for adjusting;
Based on the speed of the vehicle detected by the vehicle speed detection means, when detecting that the vehicle is in a stopped state or a slow-moving state, the opening amount of the throttle valve is controlled to be smaller than the corresponding depression amount of the accelerator pedal. There is known a throttle valve control device that includes the first suppression means and prevents the sudden start by suppressing the operation of the throttle valve even when a rapid accelerator operation is performed.

[0003]

As described above, when it is detected that a rapid accelerator operation has been performed when the vehicle is stopped or when the vehicle is moving slowly, the operation of the slot valve is suppressed by the suppressing means. With this configuration, it is possible to suppress the sudden start of the vehicle to some extent, but it is not possible to prevent the driver's erroneous operation of the accelerator pedal itself, so that the effect of preventing the sudden start of the vehicle is not sufficiently obtained. There's a problem.

In order to prevent the erroneous operation of the driver, a predetermined alarm is issued when it is detected that an obstacle exists in the traveling direction of the vehicle while the vehicle speed is equal to or lower than a predetermined value. Although it is conceivable to provide an alarm means, in such a configuration, although the driver is aware of the presence of the obstacle and is in a state where a collision can be avoided,
There is a problem that an unnecessary alarm is issued from the alarm means and the driver feels discomfort.

The present invention has been made in view of such circumstances, and while preventing unnecessary alarms from being issued, it is possible to easily and effectively prevent erroneous operation of an accelerator pedal, etc. An object of the present invention is to provide a vehicle alarm device that can prevent the vehicle from starting.

[0006]

The invention according to claim 1 is
Obstacle detecting means for detecting the presence of an obstacle in the traveling direction of the vehicle, shift range detecting means for detecting a shift range of the automatic transmission set by a shift lever, and an accelerator for detecting an operation state of an accelerator pedal Detecting means;
When there is an obstacle in the traveling direction of the vehicle according to the detection signals of the obstacle detection means, the shift range detection means and the accelerator detection means, and the shift range is set to the travel range, the accelerator pedal is not operated. Notification control means for outputting a notification signal when it is confirmed that the state has continued for a set time, and an obstacle for notifying that an obstacle is present in accordance with the notification signal output from the notification control means Notification means.

[0007] According to the above configuration, when traveling on a congested road or the like, in a state where an obstacle exists in the traveling direction of the vehicle, the foot is released from the accelerator pedal for a predetermined time while the automatic transmission is set to the traveling range. If it is confirmed that the vehicle has been coasting for a while, the driver is notified of the presence of an obstacle in the traveling direction of the vehicle by, for example, issuing an alarm in the obstacle notification means, and suddenly. Starting will be prevented.

According to a second aspect of the present invention, in the vehicle alarm device according to the first aspect, a brake detecting means for detecting an operation state of the brake pedal is provided, and the duration of the non-operation state of the accelerator pedal is measured. By comparing this measured value with the set time, it is checked whether or not the non-operation state of the accelerator pedal has continued for the set time, and at the time of this check, the brake detection means has operated the brake pedal. It is configured to reset the measured value when detected.

According to the above configuration, when the automatic transmission is set to the traveling range while the obstacle is present in the traveling direction of the vehicle, the time during which the accelerator pedal is kept in the non-operation state is set. It is measured by the notification control means, and by comparing the measured value with the set time, it is confirmed whether or not the non-operation state of the accelerator pedal has continued for the set time. If it is detected that the brake pedal is operated at the time of the above confirmation, the measurement value is reset and the measurement of the duration is executed from the beginning.

According to a third aspect of the present invention, in the vehicle alarm device according to the first or second aspect, an engine output adjusting means for adjusting an engine output, the obstacle detecting means, the shift range detecting means, and the accelerator detecting means. In response to the detection signal, there is an obstacle in the traveling direction of the vehicle, and in a state where the shift range of the automatic transmission is set to the travel range, after the non-operation state of the accelerator pedal is continued for a set time, Output control means for controlling the engine output adjusting means to regulate the engine output when it is confirmed that the accelerator pedal has been operated beyond the reference operation amount.

[0011] According to the above configuration, when the automatic transmission is coasted for a certain time while the automatic transmission is set in the traveling range in a state where an obstacle is present in the traveling direction of the vehicle, the operation amount of the accelerator pedal is reduced. If it is confirmed that it has reached a certain amount or more, by controlling the engine output adjusting means by the output control means and regulating the engine output,
The sudden start of the vehicle is suppressed.

According to a fourth aspect of the present invention, in the vehicle alarm device according to the third aspect, when the engine output is regulated, the engine output is regulated in a manner different from the notification of the obstacle. It is configured to notify that.

According to the above configuration, when the control for regulating the engine output is executed by the output control means, a special alarm is issued to notify that the engine output is in the regulated state. Will be recognized effectively.

According to a fifth aspect of the present invention, in the vehicle alarm device according to the third or fourth aspect, a gradient detecting means for detecting a gradient of the traveling road is provided, and the gradient of the traveling road detected by the gradient detecting means is provided. , The reference operation amount of the accelerator pedal for determining whether or not to execute the engine output restriction control is changed.

According to the above configuration, when the vehicle is traveling on a slope road, the reference operation amount of the accelerator pedal is changed according to the slope of the travel path detected by the slope detection means. It is determined whether or not to regulate the engine output based on the subsequent reference operation amount and the operation state of the accelerator pedal detected by the accelerator detection means. Then, when it is confirmed that the operation amount of the accelerator pedal is equal to or more than the reference operation amount after the change, the engine output adjustment unit is controlled by the output control unit, and the engine output is regulated. The sudden start of the vehicle is suppressed.

According to a sixth aspect of the present invention, in the vehicle alarm device according to the fifth aspect, when the gradient detecting means detects that the traveling road is uphill, the engine output regulation control is executed. In this configuration, the reference operation amount of the accelerator pedal for determining whether or not to perform the operation is increased as compared with a flat road.

According to the above configuration, when the vehicle is traveling on an uphill road, the reference operation amount of the accelerator pedal is increased as compared with a flat road, and the engine operation is performed based on the increased reference operation amount. It is determined whether to regulate the output.

According to a seventh aspect of the present invention, in the vehicle alarm device according to the fifth aspect, when the gradient detecting means detects that the traveling path is downgraded, the engine output regulation control is executed. The reference operation amount of the accelerator pedal for determining whether or not to perform the operation is reduced as compared with a flat road.

According to the above configuration, when the vehicle is traveling on a downhill road, the reference operation amount of the accelerator pedal is reduced as compared with a flat road, and the engine operation is performed based on the reduced reference operation amount. It is determined whether to regulate the output.

[0020]

FIG. 1 shows an embodiment of an alarm device for a vehicle according to the present invention. This alarm device detects an obstacle in a traveling direction of a vehicle, an obstacle detecting unit 1, a shift range detecting unit 2 for detecting a shift range of an automatic transmission, and detects an operation state of an accelerator pedal. Accelerator detecting means 3, brake detecting means 4 for detecting an operation state of a brake pedal, the obstacle detecting means 1,
Notification control means 5 for outputting a notification signal when it is confirmed that a notification signal is to be output according to the detection signals of shift range detection means 2, accelerator detection means 3 and brake detection means 4, and this notification An obstacle notifying unit including an information display unit 6 for displaying predetermined information in accordance with the notifying signal output from the control unit 5 is provided.

The obstacle detecting means 1 includes an ultrasonic sensor,
It detects whether there is an obstacle such as another vehicle or a fixed object on the front side and the rear side of the vehicle according to the output data of the infrared sensor or the video camera, etc., and the obstacle exists in the traveling direction of the vehicle. It is configured to output a detection signal to the notification control means 5 when it is confirmed.

That is, according to the detection signal of the shift range detecting means 2, the obstacle detecting means 1 shifts to a forward state in which the shift lever is operated to a drive range position or the like or a reverse state in which the shift lever is operated to a reverse position. Determine if there is. Then, when it is confirmed that the vehicle is in the forward state, it is detected whether or not there is an obstacle in front of the vehicle. It is configured to detect whether or not an obstacle exists on the side, and output this detection signal to the notification control means 5. The traveling direction of the vehicle is predicted according to the steering wheel operation amount detected by a steering angle sensor (not shown), and the obstacle detecting means 1 detects whether an obstacle exists in the predicted direction. It is desirable to configure.

The shift range detecting means 2 comprises shift lever position detecting means such as an inhibitor switch provided in the automatic transmission, and detects a shift range of the automatic transmission corresponding to the operating position of the shift lever. Is output to the obstacle detection means 1 and the notification control means 5 respectively.

The accelerator detecting means 3 comprises an idle switch for detecting that the accelerator pedal has been depressed, a stroke switch for detecting the amount of depression of the accelerator pedal, and the like. Whether the accelerator pedal is depressed by the driver is determined. It is configured to detect whether or not the accelerator pedal is depressed, and output the detection signal to the notification control means 5.

The brake detecting means 4 comprises a brake switch for detecting that the brake pedal is depressed, a stroke switch for detecting the amount of depression of the brake pedal, and the like. Whether the brake pedal is depressed by the driver is determined. It is configured so as to detect whether or not this is the case and to output this detection signal to the notification control means 5.

In response to the detection signals from the obstacle detecting means 1, the shift range detecting means 2 and the accelerator detecting means 3, the notification control means 5 determines that an obstacle exists in the traveling direction of the vehicle and the shift range becomes the running range. In the set state, when it is confirmed that the accelerator pedal is in the non-operating state, by measuring the duration of the non-operating state of the accelerator pedal and comparing the measured value with a preset set time, It is determined whether or not the non-operation state of the accelerator pedal has continued for a set time. If it is confirmed that the non-operation state of the accelerator pedal has continued for the set time, the information display section 6 And outputting a notification signal to the information notification means. The set time is obtained in advance through experiments or the like as a time during which the driver's attention tends to decrease when the vehicle is running on a congested road with inertia.

When the control for confirming whether or not the non-operation state of the accelerator pedal has continued for a set time is executed, the notification control means 5 determines whether or not the brake pedal has been operated by the brake detection means 4. When it is detected that the brake pedal is operated before the set time has elapsed, the measurement of the duration of the non-operation state is executed from the beginning by resetting the measurement value. It is configured as follows.

As shown in FIG. 2, the information display section 6
A liquid crystal or CR disposed on the driver side in the meter unit 9 located at the upper center of the installation panel 8 or the like.
When a notification signal is output from the notification control means 5, character information or symbol information for notifying that an obstacle exists in the traveling direction of the vehicle is displayed on the screen. Is configured. The meter unit 9 is provided with a shift range display 7 for displaying a shift range of the automatic transmission selected by the shift lever.

The control operation performed in the above-mentioned alarm device for a vehicle will be described with reference to the flowchart shown in FIG. When the control operation is started, first, detection data of each of the detection means 1 to 3 is input (step S1),
It is determined whether or not the automatic transmission is in the traveling range according to the detection signal of the shift range detecting means 2 (step S).
2). If it is determined as NO in step S2 and it is confirmed that the automatic transmission is in the neutral range or the parking range, the count value of a timer described later is reset (step S3).

If YES is determined in the above step S2 and it is confirmed that the shift lever is operated to the drive range position or the reverse range position and the shift range of the automatic transmission is set to the traveling range, It is determined whether an obstacle is present in the traveling direction of the vehicle in accordance with the detection signal of the obstacle detection means 1 (step S4). If NO is determined, the process proceeds to step S3 and the timer Reset the count value of.

If it is determined YES in the above step S4 and it is confirmed that an obstacle exists in the traveling direction of the vehicle, the accelerator is turned off according to the detection signal of the accelerator detecting means 3, that is, the accelerator pedal is released. Is determined to be in a non-operating state (step S5), and if NO is determined, the process returns.

If it is determined YES in step S5 and it is confirmed that the accelerator is in the OFF state,
Count flag F indicating that the timer for measuring the duration of the non-operation state of the accelerator pedal is in the count state
After setting c to 1 (step S6), it is determined whether or not the count flag Fc set at the previous control is 1 (step S7). Check if there was.

If the determination in step S7 is NO and it is confirmed that the accelerator has been turned off for the first time during the current control, the timer counts, that is, the continuation time of the non-operation state of the accelerator pedal is measured. Is started (step S8). On the other hand, YES in step S7
If it is determined that the accelerator was off at the time of the previous control, the count value of the timer is incremented (step S9).

Next, it is determined whether or not the duration T of the non-operation state of the accelerator pedal measured by the timer is equal to or longer than a preset set time To (step S10). When it is confirmed that the non-operation state of the accelerator pedal has continued for the set time To, an information signal is output to the information display unit 6 to display information indicating that an obstacle exists in the traveling direction of the vehicle. After the execution (step S11), the process returns.

If NO is determined in step S10 and it is confirmed that the duration T of the non-operation state of the accelerator pedal is shorter than the set time To, the detection signal of the brake detection means 4 is output. Then, it is determined whether or not the brake pedal is depressed and the brake is turned on (step S12). In this step S12, Y
If it is determined to be ES and it is confirmed that the brake pedal has been turned on when checking whether or not the accelerator pedal has not been operated for a set time, the process proceeds to step S3. By returning after resetting the count value of the timer, the measurement of the duration T is executed from the beginning.

An obstacle detecting means 1 for detecting the presence of an obstacle in the traveling direction of the vehicle as described above, a shift range detecting means 2 for detecting a shift range of the automatic transmission set by the shift lever, An accelerator detecting means 3 for detecting an operation state of an accelerator pedal; and an obstacle is present in the traveling direction of the vehicle in accordance with detection signals of the obstacle detecting means 1, the shift range detecting means 2 and the accelerator detecting means 3, and a shift is performed. In a state where the range is set to the traveling range, when it is confirmed that the non-operation state of the accelerator pedal has continued for the set time To, a notification control unit 5 that outputs a notification signal, and the notification control unit 5 The information display unit 6 for notifying that an obstacle exists according to the output notification signal.
When the vehicle is running on a congested road, etc., when an obstacle is present in the traveling direction of the vehicle, release the accelerator pedal while keeping the automatic transmission in the travel range. For example, when the vehicle is coasting for a certain period of time, the information indicating the presence of the obstacle is displayed on the information display unit 6 so that the driver can be notified of the information.

Therefore, when traveling on the congested road or the like,
By notifying the driver in advance so that the driver does not panic, for example, when the driver is coasting for a certain period of time while the shift lever is set to the travel range position, the driver is notified. However, it is possible to effectively prevent an erroneous operation such as suddenly starting the vehicle by mistakenly depressing the brake pedal and the accelerator pedal.

In addition, immediately after releasing the accelerator pedal while the automatic transmission is set in the travel range in a state where an obstacle is present in the traveling direction of the vehicle, the driver can sufficiently change the traveling direction of the vehicle. Since it is considered that the user is gazing, the obstacle is notified by the obstacle notifying means including the information display unit 6 until it is confirmed that the vehicle is coasting for the set time as described above. With such a configuration, it is possible to prevent unnecessary notification from being performed, and to notify the driver of necessary information at an appropriate timing.

In particular, in the above embodiment, the brake detecting means 4 for detecting the operation state of the brake pedal is provided,
By measuring the duration of the non-operation state of the accelerator pedal and comparing the measured value with the set time, when checking whether or not the non-operation state of the accelerator pedal has continued for the set time, the brake detection is performed. Since the measured value is reset when the operation of the brake pedal is detected by the means 4, the unnecessary notification by the obstacle notification means is more effectively prevented from being performed. be able to.

That is, even when the vehicle is in the coasting state, if it is confirmed in response to the detection signal of the brake detecting means 4 that the driver has depressed the brake pedal, the driver may be able to operate the obstacle. The notification is frequently repeated by resetting the measurement value and performing the measurement of the time during which the accelerator pedal continues to be in the non-operation state from the beginning because it is considered to be in the state of recognizing the presence of Can be effectively prevented.

In the above embodiment, the meter unit 9 is located at the upper center of the installation panel 8 or the like.
The information display unit 6 arranged on the driver side in the vehicle constitutes an obstacle notifying unit, and a screen of the information display unit 6
Since information indicating that an obstacle is present in the traveling direction is configured to be displayed, the driver can properly recognize that an obstacle is present in the traveling direction of the vehicle based on this display.

In place of the information display section 6 such as a liquid crystal display provided in the meter unit 9, the obstacle notification means is constituted by an information display section provided at another position, or a vehicle. The above-mentioned obstacle notifying means may be constituted by a sound output unit for notifying the existence of an obstacle in the traveling direction by a warning sound or the like.

As shown in FIG. 4, an engine output adjusting means 10 comprising a throttle actuator such as an electric throttle for adjusting the engine output by changing the opening of the throttle valve in accordance with the depression amount of the accelerator pedal.
And an output control means 11 for controlling the engine output adjusting means 10. According to detection signals from the obstacle detecting means 1, the shift range detecting means 2 and the accelerator detecting means 3,
In a state where an obstacle is present in the traveling direction of the vehicle and the shift range is set to the travel range, after the non-operation state of the accelerator pedal is continued for a set time, the accelerator pedal is operated to the reference operation amount or more. When it is confirmed that the engine output is controlled, the output control means 11 controls the engine output adjusting means 10 to regulate the engine output.

When regulating the engine output, the information display unit 6 displays information different from the notification of the existence of the obstacle, for example, information such as "engine output is being regulated".
It is desirable to be configured to notify that the engine output is in a regulated state, for example, by displaying at. Further, a gradient detecting means 1 for detecting a gradient of a traveling road.
3, the reference operation amount of the accelerator pedal for determining whether or not to regulate the engine output may be changed according to the gradient of the traveling road detected by the gradient detecting means 13. .

The control operation executed in the above-mentioned alarm device for a vehicle will be described with reference to the flowchart shown in FIG. When the control operation is started, first, the detection data of each of the detection means 1 to 3 is input (step S2).
1) The reference operation amount AO1 of the accelerator pedal for determining whether to regulate the engine output in accordance with the gradient of the traveling road detected by the gradient detecting means 13 is set by reading from the map shown in FIG. (Step S22).

The map shows that the reference operation amount AO1 of the accelerator pedal is set to a value larger than that of a flat road having a zero gradient when the traveling road has an upward gradient, and the upward gradient becomes large. The reference manipulated variable AO1 is proportionally
Is set to gradually increase, and when the traveling road has a descending gradient, the reference operation amount AO1 of the accelerator pedal is set to a value smaller than that on a flat road, and the descending gradient increases. The reference manipulated variable AO1 is set so as to become gradually smaller in proportion.

Then, it is determined whether or not the automatic transmission is in the traveling range according to the detection signal of the shift range detecting means 2 (step S23). NO in this step S23
If it is determined that the automatic transmission is in the non-running state set to the neutral range or the parking range, the count value of the timer that measures the duration of the non-operation state of the accelerator pedal is reset. (Step S24).

It is determined YES in the above step S23,
If the shift lever is operated to the drive range position or the reverse range position and it is confirmed that the automatic transmission is set to the travel range, the obstacle detecting means 1
It is determined whether an obstacle is present in the traveling direction of the vehicle in accordance with the detection signal (step S25). If NO is determined, the process proceeds to step S24 to reset the count value of the timer. .

If it is determined YES in step S25 and it is confirmed that an obstacle exists in the traveling direction of the vehicle, the accelerator is turned off in response to the detection signal of the accelerator detecting means 3, that is, the accelerator pedal is released. It is determined whether or not is in a non-operation state (step S26). If it is determined as YES in step S26 and it is confirmed that the accelerator is in the OFF state, the count flag Fc indicating that the timer is in the count state is set to 1 (step S27), and the previous time is set. By determining whether or not the count flag Fc set at the time of control is 1 (step S28), it is confirmed whether or not the accelerator was in the OFF state even at the time of the previous control.

If the determination in step S28 is NO, and it is confirmed that the accelerator has been turned off for the first time during the current control, the counting of the timer is started (step S29). On the other hand, when it is determined as YES in the step S28 and it is confirmed that the accelerator is off at the time of the previous control, the count value of the timer is incremented (step S30).

Next, it is determined whether or not the duration T of the non-operation state of the accelerator pedal measured by the timer is equal to or longer than a preset set time To (step S31). When it is confirmed that the non-operation state of the accelerator pedal has continued for the set time To, a notification signal is output to the information display unit 6 to display first information indicating that an obstacle exists in the traveling direction of the vehicle. After executing the display (step S32), the process returns.

If the result of the determination in step S26 is NO and it is confirmed that the accelerator pedal is in the operating state, the duration T of the non-operating state of the accelerator pedal is equal to or longer than the set time To. It is determined whether or not (step S33). If it is determined in step S33 that the accelerator pedal is operated after the accelerator pedal is maintained in the non-operation state for the set time To or longer, the output control means 1
1 controls the engine output adjusting means 10 to regulate the engine output (step S34), and outputs a notification signal to the information display section 6 to indicate that the engine output is regulated. Information display is performed (step S35).

For example, normally, as shown by the solid line in FIG. 7, the output of the engine is controlled based on the opening TVO of the throttle valve set so as to be substantially proportional to the depression amount AO of the accelerator pedal. When the output is regulated, the output of the engine is controlled based on the throttle valve opening TVO corrected as indicated by the broken line in FIG. Accordingly, when the engine output is regulated, the throttle valve opening TVO is controlled to be maintained at a constant value TVO1 in a region where the accelerator pedal depression amount AO is equal to or larger than the reference operation amount AO1 set in step S22. Therefore, the engine output is regulated so as not to rise above a certain value. Instead of the above configuration, the output control means 11 may be configured to retard the fuel injection timing, or to control the engine output by controlling the fuel injection amount.

Before the accelerator pedal was maintained in the non-operating state for the set time To or longer, the brake pedal was operated according to the detection signal of the brake detecting means 4 at step S33. If it is confirmed, the process proceeds to step S24 to reset the count value of the timer and then returns to execute the measurement of the duration T from the beginning.

In the state where the obstacle is present in the traveling direction of the vehicle as described above, after the non-operation state of the accelerator pedal is continued for a set time while the automatic transmission is set to the travel range, the accelerator pedal is turned off. If it is confirmed that the manipulated variable of the vehicle has exceeded a certain amount, the output control means 11 controls the engine output adjusting means 10 to regulate the engine output. In some cases, such as when the driver is coasting for a certain period of time while the driver sets the shift lever to the travel range position, the driver becomes confused by noticing that an obstacle is approaching immediately before the vehicle. Even if the accelerator pedal is erroneously operated by mistake as a brake pedal, the sudden start of the vehicle is effectively suppressed by executing the engine output regulation control as described above. It can be.

In particular, as shown in the above embodiment, when the output control means 11 executes the control for restricting the engine output, the engine output is displayed in a manner different from the first information display for notifying the existence of the obstacle. Is configured to execute the second information display that informs the driver that the vehicle is in a regulated state, the driver is notified based on the notification that the engine output does not increase even when the accelerator pedal is depressed. It can be effectively recognized. Therefore, it is possible to effectively prevent the driver from feeling uncomfortable or depressing the accelerator pedal due to the inability to achieve the acceleration intended by the driver.

In the above embodiment, the gradient detecting means 13 for detecting the gradient of the traveling road is provided.
3, the reference operation amount AO1 of the accelerator pedal for determining whether or not to regulate the engine output is changed in accordance with the gradient of the traveling road detected by step 3, so that the vehicle is traveling on a gradient road. In this case, the reference operation amount AO1 for the determination is changed according to the gradient of the traveling road detected by the gradient detecting means 13. Then, it is determined whether or not to regulate the engine output based on the changed reference operation amount AO1 and the operation state of the accelerator pedal detected by the accelerator detection means 3, and the operation amount of the accelerator pedal is determined by the change. When it is confirmed that the reference operation amount AO1 becomes equal to or more than the later reference operation amount AO1, the output control means 11 controls the engine output adjustment means 10 to regulate the engine output, thereby controlling the control according to the gradient of the traveling road. Can be performed.

That is, when the gradient detecting means 13 detects that the traveling road is uphill, the reference operation amount AO1 of the accelerator pedal is increased as described above as compared with a flat road. Thus, it is possible to prevent the engine output from being frequently regulated when the vehicle is traveling on an upward slope where the possibility that the vehicle is rapidly accelerated is low. When the accelerator pedal is depressed to a value equal to or more than the reference amount of operation AO1 that has been increased and corrected, the engine output is regulated by the engine output adjusting means 10 so that sudden start of the vehicle can be suppressed.

Further, when the gradient detecting means 13 detects that the traveling road is downgraded, the reference operation amount AO1 of the accelerator pedal is reduced as compared with the flat road as described above. As a result, when the vehicle is traveling on a down slope where there is a high possibility that the vehicle will be suddenly accelerated, the engine output adjusting means 10 restricts an increase in the engine output at a point in time when the reference operation amount AO1 corrected for decrease is exceeded. The sudden start of the vehicle can be regulated quickly and effectively.

In particular, in the above-described embodiment, when the traveling road has an uphill gradient, the reference operation amount AO1 is gradually increased in proportion to the increase of the upward gradient, and the traveling road is a downward gradient. In this case, since the map is set so that the reference manipulated variable AO1 becomes gradually smaller in proportion to the increase of the descending gradient, the regulation control of the engine output during traveling on a gradient road can be performed more appropriately. There is the advantage that it can be performed.

[0061]

As described above, according to the present invention, the obstacle detecting means for detecting the presence of an obstacle in the traveling direction of the vehicle and the shift range of the automatic transmission set by the shift lever are detected. A shift range detecting means, an accelerator detecting means for detecting an operation state of an accelerator pedal, and an obstacle in the traveling direction of the vehicle according to a detection signal of the obstacle detecting means, the shift range detecting means and the accelerator detecting means, And in the state where the shift range is set to the running range,
When it is confirmed that the non-operation state of the accelerator pedal has continued for a set time, a notification control unit that outputs a notification signal, and an obstacle exists according to the notification signal output from the notification control unit. When the driver is coasting for a certain period of time while the driver sets the shift lever to the travel range position, for example, when traveling on a congested road, the vehicle By informing the above information in advance so that the driver does not panic when noticing that an obstacle is approaching immediately,
There is an advantage that it is possible to effectively prevent an erroneous operation in which the driver suddenly starts the vehicle by mistakenly depressing the brake pedal and the accelerator pedal.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an embodiment of an alarm device for a vehicle according to the present invention.

FIG. 2 is an explanatory diagram showing an installation example of an information display unit.

FIG. 3 is a flowchart showing a control operation of the alarm device.

FIG. 4 is a block diagram showing another embodiment of the alarm device for a vehicle according to the present invention.

FIG. 5 is a flowchart showing a control operation of the alarm device.

FIG. 6 is a map for setting a reference operation amount of an accelerator pedal according to a gradient of a traveling road.

FIG. 7 is a graph showing a correspondence relationship between an accelerator pedal depression amount and an opening degree of a throttle valve.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Obstacle detection means 2 Shift range detection means 3 Accelerator detection means 4 Brake detection means 5 Notification control means 6 Information display part (obstacle notification means) 10 Engine output adjustment means 11 Output control means 13 Slope detection means

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3D037 FA15 FA16 FA24 FA25 FA27 FB02 FB09 5H180 AA01 CC02 CC04 CC11 LL01 LL07 LL08

Claims (7)

[Claims] 1. An obstacle detecting means for detecting the presence of an obstacle in the traveling direction of a vehicle, a shift range detecting means for detecting a shift range of an automatic transmission set by a shift lever, and an operation of an accelerator pedal Accelerator detecting means for detecting a state, an obstacle is present in the traveling direction of the vehicle according to the detection signals of the obstacle detecting means, the shift range detecting means, and the accelerator detecting means, and the shift range is set to the traveling range. When it is confirmed that the non-operation state of the accelerator pedal has continued for a set time in a state in which the accelerator pedal has been depressed, an alarm control means for outputting an alarm signal, and an obstacle in response to the alarm signal output from the alarm control means. And an obstacle notifying means for notifying that the vehicle is present. 2. An alarm device for a vehicle according to claim 1, further comprising: a brake detecting means for detecting an operation state of a brake pedal, measuring a duration of a non-operation state of an accelerator pedal, and measuring the measured value as a set time. By comparison,
It is checked whether or not the non-operation state of the accelerator pedal has continued for a set time, and at this time, when the brake detection means detects that the brake pedal has been operated, the measured value is reset. An alarm device for a vehicle, characterized in that: 3. An alarm device for a vehicle according to claim 1, wherein the vehicle output is controlled by an engine output adjusting means for adjusting an engine output, and a detection signal from the obstacle detecting means, the shift range detecting means, and the accelerator detecting means. In the state where an obstacle is present in the traveling direction of the vehicle and the shift range of the automatic transmission is set to the travel range, after the accelerator pedal has not been operated for a set time, the accelerator pedal is moved beyond the reference operation amount. And an output control means for controlling the engine output adjusting means to regulate the engine output when it is confirmed that the operation has been performed. 4. The alarm device for a vehicle according to claim 3, wherein when the engine output is regulated, the fact that the engine output is regulated is notified in a manner different from the notification of the obstacle. An alarm device for a vehicle, comprising: 5. An alarm device for a vehicle according to claim 3, further comprising a gradient detecting means for detecting a gradient of a traveling road.
A vehicle characterized in that a reference amount of operation of an accelerator pedal for determining whether or not to execute engine output regulation control is changed in accordance with a gradient of a traveling road detected by the gradient detecting means. Alarm device. 6. An alarm device for a vehicle according to claim 5, wherein when the gradient detecting means detects that the traveling road is uphill, it is determined whether or not to execute engine output regulation control. A reference operation amount of an accelerator pedal for a vehicle is increased as compared with a flat road. 7. The vehicle alarm device according to claim 5, wherein when the gradient detecting means detects that the traveling path is downgraded, it is determined whether or not to execute engine output regulation control. A reference operation amount of an accelerator pedal for a vehicle is reduced as compared with a flat road.