JP2014151728A - Alarm device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an alarm device which alerts a person who does not wear a seat belt without giving uncomfortable feeling to a fellow passenger who wears the seat belt.SOLUTION: An alarm device 1 includes: seating detection means 4 which detects presence of an occupant P seated on each seat 21 of an automobile 2; wearing detection means 5 which detects whether the seat belt is worn or not on each seat 21; warning means 6 which warns that the seat belt is not worn; and control means 7 for controlling operation of the seating detection means 4, the wearing detection means 5, and the warning means 6. A warning sound is emitted from a speaker 23 corresponding to the seat 21 on which a warning target, who does not wear the seat belt, is seated so as to warn that the seat belt is not worn.

Description

  The present invention relates to an alarm device that issues a warning when a seat belt is not worn in a vehicle or the like.

  Conventionally, in order to ensure the safety of an occupant in a vehicle or the like, it is necessary to attach a seat belt, and an alarm device when the seat belt is not attached has been proposed (see Patent Document 1). As shown in FIG. 4, the vehicle information providing apparatus 101 described in Patent Literature 1 includes a speaker 102 as an auditory information providing unit and a control unit 103 that operates the speaker 102 as an auditory information providing unit. When the seat belt non-wearing person P1 is detected, the fact that the seat belt non-wearing person P1 is present is issued to all the occupants as a sound alarm.

JP 2006-175967 A

  However, the conventional alarm device disclosed in Patent Document 1 gives an unpleasant feeling to the seat belt wearer because an unnecessary warning is given to the passenger wearing the seat belt. There was a problem.

  Accordingly, an object of the present invention is to provide an alarm device that issues a warning to a person not wearing a seat belt so as not to cause discomfort to the passenger wearing the seat belt, focusing on the above-described problems. Is to provide.

  In order to solve the above problem, an alarm device of the present invention is an alarm device that issues a warning when a seat belt is not worn in a vehicle or the like, and a seating detection unit that detects the presence or absence of a passenger seated in each seat of the vehicle or the like A seat detecting means for detecting the presence or absence of seat belt in each seat; a warning means for warning that the seat belt is not worn; and controlling operations of the seating detecting means, the wearing detection means, and the warning means. Control means for detecting, when the seating detection means detects the presence of an occupant and when the attachment detection means detects no seat belt wearing, the occupant of the seat is identified as a warning target. The warning means is activated for the warning target.

  According to the present invention, the control device sets a warning for a passenger in a seat detected as having no seat belt attached, and activates a warning means for the warning target. Warnings (such as sound, light, vibration, etc.) that cannot be recognized by passengers other than the target can be used, and uncomfortable feelings can be prevented for passengers other than the target.

  In the alarm device according to claim 1, it is preferable that the warning unit emits a warning sound having directivity with respect to the warning target.

  According to such a configuration, since the warning unit emits a sound having directivity with respect to the warning target, it is possible to suppress a passenger other than the warning target from recognizing the warning sound.

  Further, in the alarm device according to claim 2, the warning unit includes a plurality of speakers installed for each seat, and the control unit recognizes the warning target when the warning target is recognized. Of the plurality of speakers, it is preferable that a speaker corresponding to a seat on which the warning object is seated is operated to warn the warning target with a warning sound.

  According to such a configuration, it is possible to warn at a volume that allows the warning target to be recognized from the speaker installed for each seat, and to further reduce discomfort caused by a passenger other than the warning target recognizing the warning. be able to.

  Further, in the alarm device according to claim 3, when the control unit recognizes the warning target as a person other than the driver, the control unit sets the warning target on a seat on which the warning target is seated among the plurality of speakers. 4. The alarm device according to claim 3, wherein a corresponding speaker and a driver's seat speaker are operated to warn the warning target and the driver.

  According to such a configuration, when the warning object is recognized as a person other than the driver, the driver is also warned in addition to the warning object, so the driver also urges the warning object to attach the seat belt. It is possible to issue a warning to the warning target more effectively.

  According to the alarm device of the present invention as described above, a person who is not wearing a seat belt is set as a warning target, and a warning is issued to the warning target. It is possible to prevent the passengers other than those from feeling uncomfortable.

It is a block diagram of the alarm device which concerns on one Embodiment of this invention. It is a flowchart which shows operation | movement of the control apparatus in the said alarm device. It is a top view which shows the said alarm device. It is a top view which shows the conventional alarm device.

  An alarm device according to an embodiment of the present invention will be described with reference to FIGS. The alarm device 1 of the present embodiment is an alarm device that issues a warning when an occupant P is not wearing a seat belt in the automobile 2. The alarm device 1 detects time detection means 4 for measuring time, seating detection means 4 for detecting the presence or absence of an occupant P seated in each seat 21 of the automobile 2, and whether or not a seat belt is attached to each seat 21. Wearing detection means 5, warning means 6 for warning that the seat belt is not worn, timing means 3, seating detection means 4, wearing detection means 5, and control means 7 for controlling the operation of warning means 6, It is configured with.

  The automobile 2 is, for example, a car with a capacity of 4 people, and has two seats 21A to 21D in the front and rear, respectively. The seats 21A to 21D include a seat belt device 22 and a speaker 23, respectively. is set up. The passengers PA to PD are seated on the seats 21A to 21D, respectively. The seat 21A is a front right seat as a driver seat, the seat 21B is a front left seat, the seat 21C is a rear right seat, and the seat 21D is a rear left seat. is there. In this embodiment, the occupants PA, PB, and PD are wearing seat belts, and the occupant PC is not wearing the seat belt, and is recognized as a warning target by a procedure described later. In addition, the automobile 2 starts the engine by turning on the ignition switch 24.

  The time measuring means 3 is a means for measuring the time for each procedure to be described later and the operation timing of each procedure when the ignition switch 24 is in the ON state, and has a timer, for example.

  The seating detection means 4 is installed inside the seats 21 </ b> A to 21 </ b> D, and includes, for example, a sensor that detects a change in load caused by the passenger P sitting on the seat 21.

  The mounting detection means 5 has a switch that is turned on when, for example, the tongue plate and the buckle of the seat belt device 22 installed in each seat 21 are engaged, and the seat belt mounting state is detected by this switch. is there.

  The warning means 6 includes speakers 23A to 23D installed for the respective seats 21A to 21D. The warning 23 has a directivity for the warning target from the speaker 23 corresponding to the warning target seat 21. It emits sound. The speaker 23A is installed corresponding to the seat 21A, the speaker 23B is installed corresponding to the seat 21B, the speaker 23C is installed corresponding to the seat 21C, and the speaker 23D is installed corresponding to the seat 21D.

  The control means 7 is composed of an ECU, for example, and when the seating detection means 4 detects the seating of the occupant P and the mounting detection means 5 does not detect the seatbelt device 22 being mounted, the control means 7 warns the occupant P of that seat. A warning sound is emitted from the speaker 23 corresponding to the seat 21 on which the warning object is seated, and the warning is given that the seat belt is not worn. As shown in the warning range X in FIG. 3, the volume of the warning sound is set to such an extent that the warning target can be recognized, but the passengers P other than the warning target (the passenger PB and the passenger PD shown in FIG. 3) can hardly be recognized. Yes.

  Next, the operation of the control means 7 will be specifically described with reference to the flowchart of FIG. 2 and FIG. The operation procedure by the control means 7 includes a timing procedure (step S1), a seating determination procedure (step S2), a mounting determination procedure (step S3), a warning object recognition procedure (step S4), and a warning object determination procedure ( Step S5), a first warning procedure (Step S6), and a second warning procedure (Step S7) are included.

  First, when the ignition switch 24 is turned on, the control means 7 operates the time measuring means 3 (step S1, time measuring procedure). After a certain time has elapsed from the start of timing, the seating detection means 3 detects whether or not the occupant P is seated in each seat 21 (step S2, seating determination procedure). Furthermore, the mounting detection means 4 detects whether or not the occupant P is wearing a seat belt in each seat 21 (step S3, mounting determination procedure).

  Next, when the seating detection means 4 does not detect the seating ("No" in step S2), the control means 7 returns the operation of the alarm device 1 to the time counting procedure (step S1) again, and after a certain time has elapsed, The seating determination procedure (step S2) is executed again.

  On the other hand, when the seating detection means 4 detects the seating of the occupant P (“Yes” in step S2), and when the mounting detection means 5 detects the seatbelt wearing of the occupant P (“Yes” in step S3). Returns the operation of the alarm measure 1 again to the timing procedure (step S1), and after a certain period of time, executes the seating determination procedure (step S2) again.

  Further, when the seating detection means 4 detects the seating of the occupant P (“Yes” in step S2), and when the mounting detection means 5 does not detect the seatbelt wearing of the occupant P (“No” in step S3). ), The control means 7 recognizes the occupant P of the seat 21 as a warning target (step S4, warning target recognition procedure).

  Next, it is determined whether or not the warning object is the driver's occupant PA (step S5, warning object determination procedure). If the warning object is the occupant PA ("Yes" in step S5), warning means is provided. 6 is activated and a warning sound is emitted from the speaker 23A to warn the occupant PA that the seat belt is not worn (step S6, first warning procedure), and the operation of the alarm device 1 is counted again. After returning to (Step S1) and giving a warning for a fixed time, the seating determination procedure (Step 2) is executed again.

  On the other hand, when the warning subject is a passenger P other than the passenger PA who is the driver, for example, a passenger PC as shown in FIG. 3 ("No" in step S5), the warning means 6 is activated, and the speaker 23A, A warning sound is issued from 23C to warn the driver PA and the passenger PC that the driver is not wearing a seat belt (step S7, second warning procedure), and the operation of the alarm device 1 Is returned to the timing procedure (step S1), and after warning for a predetermined time, the seating determination procedure (step 2) is executed again.

  According to the present embodiment as described above, by issuing a warning sound through the speaker 23 corresponding to the warning target seat 21, the warning sound volume is set to a passenger P other than the warning target passenger PC (FIG. 3). The warning range X of this embodiment is made narrower than the conventional warning range Y in the warning ranges X and Y shown in FIGS. 3 and 4. be able to. Therefore, it is possible to reduce discomfort caused by the occupant P other than the warning target recognizing the warning sound.

  In addition, when a driver other than the driver PA is identified as a warning object (for example, the passenger PC shown in FIG. 3), the driver PA is also warned together with the warning object. A certain occupant PA can also prompt the occupant PC, which is a warning target, to attach a seat belt, and can issue a warning to the warning target more effectively.

  In addition, this invention is not limited to the said embodiment, Including other structures etc. which can achieve the objective of this invention, the deformation | transformation etc. which are shown below are also contained in this invention.

  For example, in the above-described embodiment, the warning is activated by operating the speaker 23 corresponding to the seat 21 on which the warning target is seated among the plurality of speakers 23 installed for each seat 21. A warning may be issued by a warning sound through an installed directional speaker.

  Further, as warning means, as long as the occupant P other than the warning target is not recognizable, for example, a warning lamp installed in each seat may be used, or a plurality of warning means may be used in combination. Also good.

  In addition, the best configuration, method and the like for carrying out the present invention have been disclosed in the above description, but the present invention is not limited to this. That is, the invention has been illustrated and described primarily with respect to particular embodiments, but may be configured for the above-described embodiments without departing from the scope and spirit of the invention. Various modifications can be made by those skilled in the art in terms of materials, quantity, and other detailed configurations.

  Therefore, the description limiting the shape, material, etc. disclosed above is an example for easy understanding of the present invention, and does not limit the present invention. The description by the name of the member which remove | excluded the limitation of one part or all of such is included in this invention.

DESCRIPTION OF SYMBOLS 1 Alarm apparatus 4 Seating detection means 5 Wearing detection means 6 Warning means 7 Control means 21 Seat 22 Seat belt apparatus 23 Speaker P Crew

Claims (4)

An alarm device for issuing a warning when a seat belt is not used in a vehicle,
Seating detection means for detecting the presence or absence of an occupant seated in each seat such as a vehicle;
Wearing detection means for detecting whether or not a seat belt is worn in each seat;
Warning means for warning that the seat belt is not worn;
Control means for controlling the operation of the seating detection means, the attachment detection means, and the warning means,
When the seating detection means detects that the occupant is present and the wearing detection means detects that the seat belt is not worn, the control means recognizes the occupant of the seat as a warning object, and An alarm device characterized by activating the warning means.   The alarm device according to claim 1, wherein the warning unit emits a warning sound having directivity with respect to the warning target. The warning means includes a plurality of speakers installed for each seat,
When the warning object is recognized, the control means activates a speaker corresponding to a seat on which the warning object is seated among the plurality of speakers, and warns the warning object with a warning sound. The alarm device according to claim 2.   When the control means recognizes the warning target as a person other than the driver, the control means includes a speaker corresponding to the seat on which the warning target is seated among the plurality of speakers, and a speaker at the driver seat. The alarm device according to claim 3, wherein the alarm device is activated to warn the warning target and the driver.

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