JP2016064700A - Vehicle seat control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle seat control device that issues an alarm when an occupant is seated on a front seat when the front seat is in a seat state in which it is easy for an occupant of a rear seat to get off a vehicle.SOLUTION: A vehicle seat control device includes: a front row seat state changing device 16 for changing a state of a front row seat to a first seat state in which a rear row seat occupant can get off easily; a front seat forward tilting detection device 20 for detecting the first seat state; a front row seat seating detection device 18 provided to the front row seat for outputting a signal according to a seated state in which an occupant is seated on the front row seat, and a non-seated state in which an occupant is not seated; an alarm device 23; and a control part 30 for actuating the alarm device 23 when the front row seat seating detection device 18 outputs a signal according to the seated state in a state that the front seat forward tilting detection device 20 detects that the front row seat is in the first seat state.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vehicle seat control device.

  In a two-door type vehicle or the like, when the passenger in the rear seat is about to get off, the passenger in the rear seat operates the operation switch to activate the front seat seat state changing device and The backrest of the seat is tilted forward, and the front seat is in a seat state in which the passenger in the rear seat can easily get off. If the occupant seated in the front seat seats accidentally operates the operation switch while the occupant is seated in the front seat seat, the front seat occupant will bend forward due to the sudden fall of the backrest. It is made uncomfortable. Therefore, when an occupant is seated in the front seat, even if the occupant of the rear seat accidentally operates the operation switch, the front seat state changing device operates to make the front seat easy to get off. I didn't do it. (For example, see Patent Document 1)

Japanese Utility Model Publication No. 55-68632

  On the other hand, when the front seat is in the seat state where it is easy for the occupant of the rear seat to get off, the seat is tilted forward when the occupant is seated on the front seat and the seat belt is attached. Even when the belt is worn, the safety of the occupant cannot be ensured when the seat belt is worn.

  The present invention has been devised in view of such circumstances. When the front seat is in a seat state in which the passenger in the rear seat is easy to get off, an alarm is given when the passenger is seated in the front seat. An object is to provide a vehicle seat control device.

  In order to solve the above problems, a vehicle seat control device according to the present invention is a vehicle seat control device including a front row seat in a vehicle traveling direction and a rear row seat provided on the rear side of the front row seat in a vehicle traveling direction. A front row seat state changing device that changes the front row seat to a first seat state that is easy for an occupant of the rear row seat to get off, a seat belt device mounted on the occupant of the front row seat, and detecting the first seat state Front row seat forward tilt detection device, and a front row seat seating detection device that is provided on the front row seat and outputs a signal corresponding to a seated state in which an occupant is seated on the front row seat and a non-seat state in which no occupant is seated And the front row seat forward detection device detects that the front row seat is in the first seat state. When outputting a signal corresponding to the seating state, and summarized in that and a control unit for operating the warning device.

  When the front row seat is in the first seat state in which the occupant of the rear row seat is easy to get off, an alarm is given when the occupant is seated on the front row seat. Accordingly, it is possible to notify that even if the front row seat is in the first seat state and the seat belt is mounted, the safety of the passenger cannot be ensured.

It is explanatory drawing which showed typically the structure of the vehicle seat control apparatus in embodiment of this invention. It is a top view of the 2nd row sheet in an embodiment of the present invention. It is a schematic block diagram of the control part in embodiment of this invention. It is a flowchart of the control program performed by the control part in embodiment of this invention.

A vehicle seat control apparatus 10 according to an embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the vehicle seat control device 10 includes a first row seat 13 including a driver seat and a passenger seat in a vehicle compartment 12 of the vehicle 11, and the first row seat 13 in the vehicle compartment 12. A second row seat 14 provided at the rear and a third row seat 15 provided behind the second row seat 14 in the passenger compartment 12 are provided. As shown by the two-dot chain line in FIG. 1, the backrest portion 14a of the second row seat 14 is inclined forward, and the second row seat 14 is an occupant of the third row seat 15 that is the rear seat of the second row seat 14. A second-row seat state changing device 16 is mounted on the second-row seat 14 to make the first seat state easy to get off.

  The second-row seat state changing device 16 changes the second-row seat 14 to the first-seat state in which the passenger in the third-row seat 15 shown in FIG. This is done by tilting the back 14a of the seat 14 forward by driving the motor 16b of the second row power seat reclining mechanism 16a.

  The operation of the second-row seat state changing device 16 is provided on the back surface of the backrest 14a of the second-row seat 14, that is, facing the occupant of the third-row seat 15, and is operated by the occupant of the third-row seat 15. It is performed by the operation of 17.

  A seat portion 14b of the second row seat 14 is provided with a second row seat seating detection device 18 capable of detecting a state in which an occupant is seated on the second row seat. The second-row seat seating detection device 18 outputs a signal corresponding to a seated state in which an occupant is seated on the second-row seat 14 and a non-seat state in which no occupant is seated. The second row seating detection device 18 is configured by a known film type pressure sensor.

  The second row seat 14 is provided with a seat belt 19 to be attached to an occupant seated on the second row seat 14 to ensure the safety of the occupant seated on the second row seat 14.

  An ECU 30 (Electronic Control Unit) shown in FIG. 3 is a control unit that controls the operation of the second-row seat state changing device 16 based on a signal generated by operating the operation switch 17 and a signal from the second-row seat seating detection device 18. is there.

  The ECU 30 generates a buzzer or blinking lamp based on the signal from the second row seating detection device 18, the detection result of the second row seat forward tilt detection device 20, the parking state detection device 21, and the second row seat operating detection device 22. The operation of the alarm device 23 is controlled.

  The second-row sheet forward tilt detection device 20 detects that the second-row sheet 14 is in the first sheet state described above. Specifically, the second row seat forward tilt detection device 20 is configured to detect the first seat state based on the operation amount of the motor 16b.

  The parking state detection device 21 detects that the vehicle 10 is in a parking state. Specifically, the parking state detection device 21 detects that the vehicle is in the parking state when an ignition switch (not shown) is on and the shift position of the shift lever is in the parking range.

  The second row seat operating detection device 22 detects that the second row seat 14 is operating. Specifically, the second row seat operating detection device 22 detects that the second row seat 14 is operating when the motor 16b is energized.

  In the state where the second-row seat forward tilt detection device 20 detects that the second-row seat 14 is in the first seat state, the ECU 30 outputs a signal corresponding to the seating state. When outputting, the alarm device 23 is operated.

  The ECU 30 stops the operation of the alarm device 23 when the vehicle 10 is in the parking state based on the detection result of the parking state detection device 21 even if the condition for causing the alarm device 23 is satisfied.

Even if the above-described conditions for causing the alarm device 23 are established, the ECU 30 determines that the alarm device 23 is in the state where the second row seat 14 is in operation as a result of detection by the second row seat operating detection device 22. Stop operation.
The ECU 30 cancels the signal generated by the operation of the operation switch 17 when the second-row seat seating detection device 18 outputs a signal corresponding to the seating state in which an occupant is seated on the second-row seat 14. As a result, the second row seat state changing device 16 is activated despite the occupant being seated on the second row seat 14, and the second row seat 14 is easy for the occupant of the third row seat 15 to get off the first. The movement to the seat state is prohibited, and the passenger in the second row seat 14 is prevented from becoming uncomfortable. That is, in the seated state in which an occupant is seated on the second row seat 14, even if the operation switch 17 is operated, the second row power seat reclining mechanism 16a does not operate.

  When the second-row seat seating detection device 18 outputs a signal corresponding to a non-sitting state where no occupant is seated on the second-row seat 14, the ECU 30 operates the second-row seat state when the operation switch 17 is operated. The operation of the changing device 16 is permitted. That is, when the second row seat 14 is not seated, the second row seat state changing device 16 starts operating by the operation of the operation switch 17 by the occupant of the third row seat 15, and the second row seat 14 The occupant of the third row seat 15 moves to the first seat state where it is easy for the passenger to get off, and can respond to the needs of the occupant of the third row seat 15.

The ECU 30 repeatedly executes a control program corresponding to the flowchart shown in FIG. 4 at minute time intervals.
If the second row seat 14 is in the seated state based on the signal from the second row seating detection device 18, it is determined as “Yes” in step S101, and the program proceeds to step S102. On the other hand, if it is determined that the second row seat 14 is not in the seated state, “No” is determined in step S101, and the process proceeds to step S103.

  In step S103, it is determined whether or not the operation switch 17 is turned on. If the operation switch 17 is turned on, it is determined as “Yes”, the program proceeds to step S104, and the operation of the second-row sheet state changing device 16 is started. On the other hand, if the operation switch 17 is not turned on, “No” is determined in step S103, and the program is terminated.

  In step S102, it is determined whether or not the operation switch 17 is turned on. If the operation switch 17 is turned on, it is determined as “Yes”, the program proceeds to step S105, and the operation of the second-row sheet state changing device 16 is prohibited. On the other hand, if the operation switch 17 is not turned on, “No” is determined in step S102, and the process proceeds to step S106.

  In step S106, it is determined whether or not the second row sheet 14 is in the first sheet state. If the second-row sheet 14 is in the first sheet state, “Yes” is determined, and the program proceeds to step S107. On the other hand, if it is determined that the second row sheet 14 is not in the first sheet state, “No” is determined in step S106, and the program is terminated.

  In step S107, it is determined whether or not the vehicle is parked. If the vehicle is parked, the determination is “Yes” and the program is terminated. On the other hand, when it is determined that the vehicle is not parked, “No” is determined in step S107, and the program proceeds to step S108.

  In step S108, it is determined whether the second row seat 14 is in operation. If the second row seat 14 is in operation, it is determined as “Yes” and the program is terminated. On the other hand, if it is determined that the second row seat 14 is not in operation, “No” is determined in step S108, and the program proceeds to step S109.

  In step S109, the alarm device 23 is activated.

  In the flowchart shown in FIG. 4, the example in which step S107 and step S108 are provided has been described. However, the present invention is not limited to this, and either one or both of step S107 and step S108 can be omitted. In addition, when step S1007 and step S108 are abbreviate | omitted, when it determines with "Yes" by step S106, it progresses directly to step S109 and the alarm device 23 is operated.

  In the embodiment of the present invention shown in FIGS. 1 to 4, the configuration and operation will be described based on the second row sheet 14 and the third row sheet 15, and the second row sheet 14 corresponds to the front row sheet, and the third row sheet. The sheet 15 corresponds to a back row sheet. Instead, it is obvious that the first row sheet 13 can be changed to a front row sheet and the second row sheet 14 can be changed to a rear row sheet.

  In the embodiment of the present invention shown in FIGS. 1 to 4, the ECU 30 has two rows in a state where the second row seat forward tilt detection device 20 detects that the second row seat 14 is in the first seat state. In the case where the eye seat seating detection device 18 outputs a signal corresponding to the seating state, the alarm device 23 is activated. However, the present invention is not limited to this, and a buckle switch (not shown) provided in the seat belt device 19 is also illustrated. It is obvious that the case in which a signal corresponding to the state in which the seat belt is mounted can be added to the condition for operating the alarm device 23.

  As described above, according to the vehicle seat control apparatus 10 of the embodiment of the present invention, the front row seat 14 and the rear row seat 15 provided on the rear side of the front row seat 14 are provided in the vehicle traveling direction in the vehicle compartment 12. A front seat state change device 16 that changes the front seat 14 into a first seat state in which the passenger in the rear row seat 15 can easily get off, and a seat belt device 19 that is mounted on the passenger in the front row seat 14. , A front row seat forward tilt detection device 20 for detecting the first seat state, and a signal corresponding to a seated state where the occupant is seated on the front row seat 14 and a non-seat state where the occupant is not seated. In the state where the front row seat seating detection device 18, the warning device 23, and the front row seat forward tilt detection device 20 detect that the front row seat 14 is in the first seat state. If the column seat seating detection device 18 outputs a signal corresponding to the seating state, a control unit 30 for operating the warning device 23. As a result, when the front row seat 14 is in the first seat state in which the occupant of the rear row seat 15 can easily get off, an alarm is given when the occupant is seated on the front row seat 14. Accordingly, it is possible to notify that the safety of the passenger cannot be ensured even if the front row seat 14 is seated in the first seat state.

  As described above, according to the vehicle seat control device 10 of the embodiment of the present invention, the vehicle state control device 21 includes the parking state detection device 21 that detects the parking state of the vehicle 11. The operation of is stopped. Thereby, the vehicle seat control apparatus 10 can perform control corresponding to the parking state, and can save power.

  As described above, according to the vehicle seat control device 10 of the embodiment of the present invention, the front row seat operation detecting device 22 that detects the operation of the front row seat 14 is provided, and the front row seat 14 is in an operating state. The control unit 30 stops the operation of the alarm device 23. Thereby, the vehicle seat control device 10 can perform control corresponding to the operation of the front row seat 14 and can save power.

  As described above, according to the vehicle seat control device 10 of the embodiment of the present invention, the operation switch 17 is provided at a position where the occupant seated on the rear row seat 14 can operate and operates the front row seat state changing device 16. The control unit 30 prohibits the operation of the front row seat state changing device 16 even when the operation switch 17 is operated in a state where the front row seat seating detection device 18 outputs a signal corresponding to the seating state. Accordingly, the front row seat state changing device 16 operates even though the occupant is seated on the front row seat 14, and the front row seat 14 is prohibited from moving to the first seat state in which the occupant of the rear row seat 15 can easily get off. In addition, the occupant of the front row seat 14 is prevented from becoming uncomfortable.

  As described above, according to the vehicle seat control apparatus 10 of the embodiment of the present invention, the operation switch 17 is provided on the back side of the front row seat 14. As a result, the operation switch 17 is provided at a position that is easy for the passenger of the rear row seat 15 that is the rear seat of the front row seat 14 to easily recognize and operate, and there is no need to search for the operation switch 17 when getting off the vehicle. The operation of getting off can be performed smoothly.

  In the above-described embodiment, the film-type pressure sensor is used as the front row seating detection device 18, but the present invention is not limited to this, and the front row seating detection device includes a seating state in which an occupant is seated on the front row seat and the occupant Obviously, it is sufficient if it can detect a non-sitting state in which a person is not seated. For example, a body weight detection sensor for detecting the weight of an occupant, a capacitance sensor, and an infrared sensor can be used.

  In addition, when there are a plurality of embodiments, it is obvious that the characteristic portions of each embodiment can be appropriately combined unless otherwise specified.

DESCRIPTION OF SYMBOLS 10 ... Vehicle seat control apparatus 12 ... Vehicle compartment 14 ... Second row seat (front row seat)
15 ... 3rd row sheet (back row sheet)
16 ... Second row seat state changing device (front row seat state changing device)
17 ... Operation switch 18 ... Second row seat seating detection device (front row seat seating detection device)
DESCRIPTION OF SYMBOLS 19 ... Seat belt apparatus 20 ... Second row seat forward tilt detection device (front row seat forward tilt detection device)
21... Parking state detection device 22... Second row seat operation detection device (front row seat operation detection device)
23 ... Alarm device 30 ... ECU (control unit)

Claims (5)

A vehicle seat control device comprising a front row seat and a rear row seat provided on the rear side of the front row seat in a vehicle traveling direction in a vehicle interior,
A front row seat state changing device that sets the front row seat to a first seat state in which an occupant of the rear row seat can easily get off;
A seat belt device to be attached to a passenger in the front row seat;
A front row seat forward tilt detection device for detecting the first sheet state;
A front row seating detection device that is provided in the front row seat and outputs a signal corresponding to a seating state in which an occupant is seated on the front row seat and a non-sitting state in which no occupant is seated;
An alarm device;
In the state where the front row seat forward tilt detection device detects that the front row seat is in the first seat state, the warning signal is output when the front row seat seating detection device outputs a signal corresponding to the seating state. A vehicle seat control device comprising: a control unit that operates the device.   The vehicle seat control device according to claim 1, further comprising a parking state detection device that detects a parking state of the vehicle, wherein the control unit stops the operation of the alarm device in the parking state.   3. The front row seat operation detection device that detects the operation of the front row seat, wherein the control unit stops the operation of the alarm device in a state in which the front row seat is in operation. Vehicle seat control device.   An operation switch is provided at a position where an occupant seated on the rear row seat can operate, and operates the front row seat state changing device, and the control unit sends a signal corresponding to the seating state to the front row seat seating detection device. 4. The vehicle seat control device according to claim 1, wherein, in the output state, the operation of the front row seat state changing device is prohibited even when the operation switch is operated. 5.   The vehicular seat control device according to claim 4, wherein the operation switch is provided on a back side of the front row seat.

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