JP3821789B2 - Seat belt non-wearing alarm device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a seat belt non-wearing alarm device for issuing a warning prompting a passenger not wearing a seat belt to wear a seat belt.
[0002]
[Prior art]
It is well known that occupant damage during a vehicle collision can be reduced by wearing a seat belt. The Road Traffic Law requires wearing a seat belt while driving. However, the driver's awareness of the importance of the seat belt is generally low, and the fact is that there are always drivers who are not wearing the belt.
[0003]
In order to alert the driver, various alarm devices for encouraging the seat belt are considered. For example, in Japanese Utility Model Publication No. 62-29319, the seat belt is not attached and the vehicle speed exceeds a predetermined vehicle speed. An alarm device has been disclosed that issues a warning when the vehicle is traveling at a high speed.
[0004]
[Patent Document 1]
Japanese Utility Model Publication No. 62-29319 [0005]
[Problems to be solved by the invention]
However, this type of conventional alarm device has a big problem. The reason is that if the warning is issued only once when the predetermined vehicle speed is reached, as described in the above publication, it is meaningless that the warning is issued if ignored by the driver. turn into. On the other hand, if the alarm is issued frequently, the driver may feel annoyed and stop using the vehicle.
[0006]
On the other hand, recent automobiles are provided with various alarm functions such as preventing forgetting to return the parking brake, alerting when the reverse range is turned on, etc., but if multiple alarms may be issued at the same time, driving Can be confused.
[0007]
The present invention has been devised to solve the problems of the prior art, its main objective, can prompt a belt worn by the occupant without let possible feeling troublesome, moreover other It is an object of the present invention to provide a seat belt non-wearing alarm device configured to be able to sufficiently identify the alarms when the alarms are simultaneously issued.
[0008]
[Means for Solving the Problems]
In order to achieve such an object, in claim 1 of the present invention, a seat belt non-wearing alarm device for issuing a seat belt non-wearing alarm for notifying a passenger not wearing a seat belt that the seat belt is not worn ( 1), and repeated a predetermined number of times the cycle of performing talk-spurt state and silence state alternately auditory warning means (4) emits a light signal continuously possess a visual alarm means (3), said seat belt is not mounted A plurality of alarms including alarms are set, and priorities of the plurality of alarms are determined, and another alarm command request having a lower priority than the seat belt non-wearing alarm occurs during the issuing of the seat belt non-wearing alarm. In such a case, the other warning is issued during the silent period .
[0009]
In this way, the troublesomeness given to the driver can be reduced by intermittently generating the acoustic signal. Further, the light signal that is comparatively less troublesome is continuously emitted until the seat belt is worn, so that the appealing power for calling attention can be enhanced. In addition to this, if it becomes necessary to issue another warning (for example, forgetting to return the parking brake) with a lower priority than the seat belt non-wearing alarm while the seat belt non-wearing alarm is issued, Since the operation of the seat belt non-installation alarm by means of other means issues other alarms using the period of silence, it can be said that it is a low priority alarm in a state where the seat belt non-installation alarm is issued substantially without interruption. It can be issued without any notification delay.
[0010]
According to a second aspect of the present invention, the sounded state is caused by an intermittent noise of a predetermined pattern, and the other alarm is caused by an intermittent noise set to a pattern different from the seat belt non-wearing alarm . As a result, it is possible to issue a plurality of warnings using a single sound generator, and to ensure that there are multiple warnings and what warnings are being issued due to differences in the intermittent pattern. Can be recognized.
[0011]
In claim 3, when it is necessary to issue another warning (for example, an overspeed warning) having a higher priority than the seat belt non-wearing alarm while the seat belt non-wearing alarm is issued, another alarm is issued. The alarm is immediately interrupted, and the alarm for not wearing the seat belt is resumed from the state when the alarm was interrupted when the other alarm was canceled. Accordingly, even when the seat belt is not mounted alarm is interrupted halfway, that seat belt non-wearing state has not yet been solved it is possible to reliably inform the passenger.
[0012]
Delete [0013]
Delete [0014]
Delete [0015]
Delete [0016]
Delete [0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
[0018]
FIG. 1 shows a schematic configuration of a seat belt non-wearing alarm device constructed according to the present invention. The alarm device 1 includes a belt lamp (warning light) 3 and a belt alarm (sound generator) 4 arranged at appropriate positions on the instrument panel 2, an electronic control device 7 including a warning light control unit 5 and a sound generator control unit 6. An on signal 8 of an ignition switch, a belt attachment detection signal 9 provided on a buckle of a seat belt, and a vehicle speed signal 10 are input to an electronic control unit 7 and a belt corresponding to the state at that time according to preset conditions The lamp 3 and the belt alarm 4 are controlled.
[0019]
The belt alarm 4 is set in advance so that a difference in warning contents can be identified based on an intermittent pronunciation interval (intermittent pattern), for example, beep, beep, and beep. With respect to the belt alarm 4, a cycle in which a sound is generated intermittently and a silent state in which no sound is generated is cycled at appropriate time intervals (for example, one cycle for a sound state of 6 seconds and a silent state of 24 seconds). Is repeated a predetermined number of times (for example, 18 times). The belt lamp 3 blinks in synchronization with the intermittent sound generation interval of the belt alarm 4 when the belt alarm 4 is in a sound state, and lights continuously during the silent period.
[0020]
The alarm device 1 is controlled according to the flow shown in FIG. First, it is determined whether or not the ignition switch is on (step 1). If it is determined that the ignition switch is on, that is, the engine is operating, it is determined whether or not the seat belt is attached (step 2). . If it is determined that the seat belt is not worn, the belt lamp 3 is turned on (step 3). The belt lamp 3 is continuously operated during operation of the engine until it is detected in step 4 that the seat belt is attached.
[0021]
If it is determined in step 2 that the seat belt is not worn, a first belt alarm that operates in conjunction with a timer that counts a predetermined time is activated (step 5), and the seat belt is worn until the predetermined time elapses. If not detected in step 6, it is determined whether or not the vehicle speed is equal to or higher than a predetermined vehicle speed (step 7).
[0022]
If it is determined in step 7 that the vehicle speed is higher than the predetermined vehicle speed, the second belt alarm is activated (step 8). While the second belt alarm is in operation, the presence / absence of another alarm is also monitored (step 10) while monitoring the presence / absence of the seat belt (step 9).
[0023]
If it is determined in step 10 that another alarm issuance is requested, the priority of the alarm with respect to the seat belt non-wearing alarm is determined (step 11), and the alarm having a higher priority than the seat belt non-wearing alarm is determined. If so, the alarm is immediately interrupted (step 12), and if the priority of the other alarms is lower than the seat belt non-wearing alarm, the alarm is activated during the silence state in the second belt alarm cycle. Activate (step 13). The second belt alarm cycle is repeated until completion of the predetermined number of cycles is detected in step 14.
[0024]
If the seat belt is attached while the engine is running, the alarm control is immediately canceled and the program is initialized (step 15). This program is continued for an appropriate waiting time (interval) until the seat belt is detected. Therefore, if the seat belt is removed without first stopping the engine after the seat belt has been attached, the second belt alarm will be activated again, and if the engine is stopped and restarted, the first belt alarm A series of processes will be executed.
[0025]
In the following, specific examples will be described in more detail with reference to the attached time charts (FIGS. 3 to 7).
[0026]
First, when the seat belt is not worn when the engine of the stopped vehicle is started, as shown in FIG. 3, the first belt alarm consisting of intermittent sound is generated together with the belt lamp 3 for a predetermined time ( For example, 6 seconds). As described above, the belt lamp 3 blinks in synchronization with the intermittent noise, so that higher visibility can be obtained. The blinking of the belt lamp 3 and the intermediate of the belt alarm 4 may be in phase or in opposite phase.
[0027]
When driving is started, the vehicle speed is monitored. Here, the vehicle speed condition is set such that the second belt alarm is activated at a speed of 7 km / h or more and the second belt alarm is stopped at a speed of 3 km / h or less, with appropriate hysteresis on the on-off speed. Yes. That is, the second belt alarm does not operate until it exceeds 7 km / h after the start of traveling, and stops if it falls below 3 km / h during traveling. Then, after the vehicle speed exceeds 7 km / h, if a seat belt is not worn after a predetermined waiting time (for example, 30 seconds), a second belt alarm is issued. In the second belt alarm, the cycle of the sounded state for 6 seconds and the silent state for 24 seconds is repeated 18 times. For example, the same operation is repeated until the seat belt is detected with a waiting time of 30 seconds. .
[0028]
If the traveling speed becomes 3 km / h or less during the operation of the second belt alarm, as shown in FIG. 4, the cycle (1 cycle 18 times) is temporarily stopped. For example, if the speed becomes 3 km / h or less during the 17th sound state, the sleep state is entered after the period of the 17th sound state (6 seconds) ends. Then, after exceeding 7 km / h again, the remaining number of cycles (18th in this embodiment) is executed after the waiting time of 30 seconds has elapsed. Since the belt lamp 3 does not feel relatively troublesome, it is always lit during the silent period.
[0029]
If the seat belt is attached or detached while traveling at 7km / h or more, as shown in Fig. 5, the program is initialized when the seat belt is detected. At the same time, the belt lamp 3 is turned on, and the second belt alarm is activated after a waiting time of 30 seconds has elapsed. In this case, since the first belt alarm is activated immediately after the ignition switch is turned on, the first belt alarm is not activated and the second belt alarm is activated suddenly from the first sounded state.
[0030]
If the seat belt is detected while the second belt alarm is sounded, the alarm is immediately canceled and the program is initialized. Therefore, the next time the seat belt is detected, the alarm operation is started from the standby state.
[0031]
When issuance request priority is higher alarm the seat belt not mounted alarm entered, as shown in FIG. 6, immediately interrupted other alarm even while talk-spurt state (e.g. overspeed alarm, etc.) In other words, a sound signal having an intermittent pattern different from the seat belt non-wearing alarm is issued, and after the other alarms are stopped, the remaining number of times including the time of the sound state when the interruption occurs is resumed. In this case, the lighting state of the belt lamp 3 is continued irrespective of the interrupt alarm. In addition, since the alarm type is expressed by the difference in the intermittent pattern using one sound generator, the alarm type may be switched at a place where the intermittent pattern is well separated.
[0032]
When issuance request low priority alarm to the seat belt not mounted alarm (eg return of the parking brake Forget) enters, as shown in FIG. 7, the silence of the second belt alarm including standby state During the status period, the intermittent pattern pronunciation corresponding to the alarm is interrupted. When the alarm to be interrupted continues to sound throughout the silent period of the second belt alarm, it can be clearly distinguished from the pattern during the sounding condition of the second belt alarm, and it feels noisy even if it continues to sound. It is preferable to use a pattern that does not.
[0033]
The priority of the alarm, for example, forgetting to reset the battery consumption> seatbelt unmounted> parking brake loss or key card reverse position is selected> at a predetermined value or faster> key card in the automatic transmission, the order such as Conceivable. This priority, may be set as appropriate, taking into account the personality, such as regulations and vehicle on the laws and regulations of the region to use the vehicle.
[0034]
【The invention's effect】
As described above in detail, according to the present invention, the following special effects can be obtained.
1. Since the alarm warning means that repeats the cycle of alternating the sounded and silent states a predetermined number of times and the visual warning means that continuously emits a light signal are used in combination, the seat belt non-wearing alarm is issued, so it feels noisy Since the acoustic signal is intermittent, the annoyance is reduced, and the optical signal that does not feel so noisy is continuously emitted until the seat belt is worn, so that the appealing power to call attention is not impaired.
2. When another alarm command request with a lower priority than the seat belt non-wearing alarm is issued while the seat belt non-wearing alarm is issued, another alarm is issued while the seat belt non-wearing alarm operation is silent. Therefore, even a low-priority alarm can be issued without notification delay, and the seat belt non-installation alarm need not be substantially interrupted.
3. Since the intermittent cycle of the audio signal is different depending on the type of alarm, even if different alarms are issued substantially simultaneously using one sound generator, these differences can be easily identified by the driver. .
4). If another alarm request with higher priority than the seat belt non-wearing alarm occurs while the seat belt non-wearing alarm device is issued, the other alarms are immediately interrupted and interrupted when other alarms are released. The seat belt non-wearing alarm is restarted from the state at the time of the accident, so even if the seat belt non-wearing alarm is interrupted halfway, the driver can be sure that the seat belt non-wearing state has not yet been resolved. The person can be notified.
[Brief description of the drawings]
FIG. 1 is a schematic configuration diagram of a seat belt non-wearing alarm device according to the present invention. FIG. 2 is a basic control flowchart. FIG. 3 is a basic operation time chart. FIG. 4 is an operation time when the vehicle is stopped while traveling. Chart [Fig. 5] Time chart of operation when the seat belt is attached / detached during driving [Fig. 6] Time chart of operation to interrupt other alarms with high priority [Fig. 7] Interrupt other alarms with low priority Operation time chart [Explanation of symbols]
1 Seat belt not-fitted alarm device 2 Instrument panel 3 Belt lamp (visual alarm means)
4 Belt alarm (audible alarm means)
5 Warning light control unit 6 Sound generator control unit 7 Electronic control unit

Claims (3)

A seat belt non-wearing alarm device for issuing a seat belt non-wearing alarm for notifying a passenger who does not wear a seat belt of seat belt non-wearing,
An auditory alarm means that repeats a predetermined number of cycles of alternately performing a voiced state and a silent state;
Possess a visual alarm means for emitting an optical signal continuously,
Set a plurality of alarms including the seat belt non-wearing alarm and determine the priority of the plurality of alarms,
When another alarm command request having a lower priority than the seat belt non-wearing alarm occurs while the seat belt non-wearing alarm is issued, the other alarm is issued during the silent period. A seat belt non-wearing alarm device. 2. The sounding state according to claim 1 , wherein the sounding state is due to intermittent sound of a predetermined pattern, and the other alarm is due to intermittent sound set in a pattern different from the seat belt non-wearing alarm. The seat belt non-wearing alarm device described. When another request for issuing a warning having a higher priority than the seat belt non-wearing alarm occurs while the seat belt non-wearing warning is issued, the other alarm is immediately interrupted and the interrupt warning is released. 3. The seat belt non-wearing alarm device according to claim 1, wherein the seat belt non-wearing alarm is restarted from a state at the time of being interrupted .

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