JP2010006215A - Vehicular seat control device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To avoid giving a sense of trouble to an occupant due to a self-adjustment motion of a side support. <P>SOLUTION: The vehicular seat control device comprises a drive means 10 for driving the side support included in the vehicular seat on which a seated person sits and supporting an upper body of the seated person sitting on the vehicular seat from both sides, a vehicular state determine means 22 determining a vehicular state, and a control means 12 for adjusting the position of the side support and activating the self-adjustment motion to support the seated person by the drive means 10 based on the vehicular state determined. The control means 12 activates the self-adjustment motion based on the combination of an ignition state, engine state, seat belt state, door opened/closed state, vehicular seat state, or steering position state as the vehicular state. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a control device for a vehicle seat that supports a seated occupant in a vehicle.

Conventionally, in order to improve the driving sensation when the vehicle turns, the end of the riding seat has a raised shape (side support) so that the driver's upper body is not displaced more than necessary in the lateral direction of the vehicle body. It is considered desirable. As a technique for controlling such a side support, as described in Patent Document 1 below, it is determined whether it is difficult to get on the board by detecting the physique of a passenger, and the amount of side support protruding is adjusted. As disclosed in Patent Document 2, there is one that cancels the adjustment of the seat when the engine is not operating.
JP 2006-151117 A Japanese Examined Patent Publication No. 6-067022

  However, in the technology for automatically opening and closing the side support as described in Patent Document 1 described above, the side support is opened to improve the boarding / exiting performance when the passenger gets on and off, and the side support is closed to support the passenger when the passenger gets on the board. Yes. However, support for the occupant by the side support is not necessary when the vehicle is not traveling, but the occupant is tightened by the side support. Therefore, when the vehicle is stopped, the occupant may feel uncomfortable that the vehicle is tightened by the side support.

  According to the technique described in Patent Document 2, the side support is opened when the engine is not operating, and the side support is closed to support the occupant when the engine is operating. Therefore, in a vehicle in which the engine is in the idle stop state, the automatic adjustment function works every time the engine changes from the non-operating state to the operating state and vice versa, which can give annoying feeling to the occupant. There is sex. Furthermore, in the technique described in Patent Document 2, since the optimum tightening position is adjusted at each operation, there is a fear that the adjustment operation is troublesome for the passenger.

  Therefore, the present invention has been proposed in view of the above-described circumstances, and provides a vehicle seat control device that can avoid annoying an occupant by an automatic adjustment operation of a right support portion and a left support portion. For the purpose.

  In the present invention, a right-side support part that is included in a vehicle seat on which a seated person is seated and supports the upper body of the seated person seated on the vehicle seat from both sides, a driving means that drives the left-side support part, and a vehicle state Vehicle state determining means for determining and control for starting an automatic adjustment operation for supporting the seated person by adjusting the positions of the right support portion and the left support portion by the driving means based on the vehicle state determined by the vehicle state determining means Means. In the present invention, the automatic adjustment operation is started by the control means based on the combination of the ignition state, the engine state, the seat belt state, the door opening / closing state, the vehicle seat state, or the steering position state as the vehicle state. By doing so, the above-mentioned problems are solved.

  According to the present invention, the automatic adjustment operation is activated based on a combination of the ignition state, the engine state, the seat belt state, the door opening / closing state, the vehicle seat state, or the steering position state as the vehicle state. The automatic adjustment operation can be started in accordance with the use scene based on the situation, and it can be avoided that the occupant is bothered by the automatic adjustment operation of the right support portion and the left support portion.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  The present invention is applied to, for example, a vehicle seat control device that controls a vehicle seat 100 configured as shown in FIG.

[Configuration of vehicle seat]
The vehicle seat 100 has a configuration as shown in FIG. 2 inside a back surface portion 100B that supports the back of the driver. The side support portion 100L (left side support portion) and the side support portion 100R (right side support portion) which are configured on the left and right sides of the back surface portion 100B shown by shading in FIG. 1 are the upper body posture of the driver seated on the vehicle seat 100. When the vehicle is disturbed, it moves to support the upper body and stabilizes the driver's posture.

  As shown in FIG. 2, the vehicle seat 100 includes side support movable portions 110L and 110R that respectively constitute the side support portions 100L and 100R, a seat frame 111 that is a basic skeleton of the back portion 100B of the vehicle seat 100, and a vehicle And a strain gauge 119 for detecting a driver's load applied to the back surface portion 100B of the seat 100. In this example, as a configuration for automatically adjusting the positions of the side support portion 100L and the side support portion 100R, the strain gauge 119 for detecting the load of the side support portion 100L and the side support portion 100R for the seated person is provided. It may be a configuration. A cushion member (not shown) supported by a cushion support spring 121 is disposed on the side of the vehicle seat 100 that contacts the driver's back.

  The seat frame 111 is the basic skeleton of the back surface portion 100B as described above. Side support movable portions 110L and 110R are provided on the seat frame 111 at positions near the driver's left body side and right body side when the driver is seated. Further, the seat frame 111 is provided with a cushion support spring 121 that supports the above-described cushion member, and a headrest attachment portion 122 for attaching the headrest 100H of the vehicle seat 100.

  The side support movable portions 110L and 110R constituting the side support portions 100L and 100R have a movable mechanism for moving the side support portions 100L and 100R, respectively. Since the side support movable parts 110L and 110R have exactly the same configuration, only the side support movable part 110R will be described, and a description of the side support movable part 110L will be omitted later by showing the correspondence of the constituent members. .

  The side support movable portion 110R includes rotation support portions 112R and 113R, a side support frame 114R, links 115R, 116R, and 117R that form a link mechanism, and a right motor 118R.

  The rotation support portions 112R and 113R are skeletons of the side support portion 100R, and support the side support frame 114R, which is a movable object in the side support movable portion 110R, on the seat frame 111 while being rotatable. The side support frame 114R is covered with a cushion member (not shown), thereby forming the side support portion 100R.

  The rotation support portion 112R is provided with a link 115R for transmitting the rotational motion of the right motor 118R fixed to the seat frame 111 to the side support frame 114R via the links 116R and 117R. As a result, when the right motor 118R is driven to rotate, the rotation rotates the rotation support portion 112R via the links 117R, 116R, and 115R, and the side support frame 114R supported by the rotation support portion 112R is moved to the seat. Driving is performed in the direction of arrow A approaching a direction parallel to the frame 111 or in the direction of arrow B approaching a direction perpendicular to the frame 111.

  The side support movable unit 110L has the same configuration as the side support movable unit 110R as described above. The corresponding relationship among the components is as follows. The rotation support portions 112L and 113L of the side support movable portion 110L, the side support frame 114L, the links 115L, 116L and 117L, and the left motor 118L are respectively supported for rotation of the side support movable portion 110R. It corresponds to the sections 112R, 113R, the side support frame 114R, the links 115R, 116R, 117R, and the right motor 118R.

  Therefore, when the left motor 118L is driven to rotate, the side support movable portion 110L rotates the rotation support portion 112L via the links 117L, 116L, and 115L, and is further supported by the rotation support portion 112L. The frame 114L is driven in an arrow C direction approaching a direction parallel to the seat frame 111 or an arrow D direction approaching a direction perpendicular to the frame C.

  In this way, by configuring the side support movable portions 110L and 110R, the rotation angles of the left motor 118L and the right motor 118R can be transmitted as the swinging motion of the left and right side support frames 114L and 114R.

  The left motor 118L and the right motor 118R are provided with angle detectors (not shown) such as, for example, a rotary encoder, a potentiometer, and a resolver that detect the rotation angles. A rotation angle detected by an angle detector (not shown) is fed back to a control unit (not shown) and used for angle control.

  The strain gauge 119 is installed in the seat frame 111 and is a load for detecting “strain”, which is a mechanical slight change amount generated in the back surface portion 100B due to the movement of the upper body of the driver seated on the vehicle seat 100, as an electrical signal. It is a sensor. With this strain gauge 119, the load value applied to the back surface portion 100B by the driver can be acquired as an electrical signal. The driver's load value applied to the back surface portion 100B acquired as an electrical signal by the strain gauge 119 is output to a control unit (not shown).

  In this embodiment, the driver's load value applied to the back surface portion 100B is detected by the strain gauge 119. However, the present invention only needs to be able to extract the load value as an electrical signal. The type of load sensor to be detected is not limited. In addition to the strain gauge 119, for example, a piezoelectric load sensor using a piezoelectric element may be used.

  Although not shown, the side support portions 100L and 100R include a lifter mechanism that raises and lowers the vehicle seat 100 itself by a driving force of an electric motor, a reclining mechanism that tilts the back portion 100B, and the vehicle seat 100 itself. It shall have a slide mechanism that slides back and forth.

[Configuration of Vehicle Seat Control Device]
The control unit, which is a vehicle seat control device that controls the side support portions 100L and 100R of the vehicle seat 100 configured as described above, has a functional configuration as shown in FIG. In FIG. 3, the control unit is constituted by hardware by a computer including a CPU, a ROM, a RAM, and the like. However, in FIG. 3, the description is given separately for each functional block for convenience.

  The control unit includes a lifter drive mechanism 1 that drives a lifter mechanism, a reclining drive mechanism 2 that drives a reclining mechanism, a slide drive mechanism 3 that drives a slide mechanism, a steering drive mechanism 4 that drives a steering mechanism, and a side support portion 100L, A side support drive mechanism 5 for driving 100R is connected. The lifter drive mechanism 1, the reclining drive mechanism 2, the slide drive mechanism 3, and the steering drive mechanism 4 are configured by respective mechanical drive mechanisms and drive motors that apply drive torque to the drive mechanisms. The side support drive mechanism 5 includes a left motor 118L for driving the side support portion 100L, links 115L, 116L, 117L, a side support frame 114L, a right motor 118R for driving the side support portion 100R, links 115R, 116R, 117R, and a side support frame 114R. It consists of.

  Further, the lifter drive mechanism 1, the reclining drive mechanism 2, the slide drive mechanism 3, the steering drive mechanism 4, and the side support drive mechanism 5 acquire and output the respective states as sensor signals.

  The control unit controls the lifter drive control unit 6 that controls the lifter drive mechanism 1, the reclining drive control unit 7 that controls the reclining drive mechanism 2, the slide drive control unit 8 that controls the slide drive mechanism 3, and the steering drive mechanism 4. A side support drive control unit 10 that controls the steering drive control unit 9 and the side support drive mechanism 5 is provided. The lifter drive control unit 6, the reclining drive control unit 7, the slide drive control unit 8, the steering drive control unit 9, and the side support drive control unit 10 are respectively a lifter drive mechanism 1, a reclining drive mechanism 2, a slide drive mechanism 3, and a steering drive. Sensor values representing the state are acquired from each of the mechanism 4 and the side support drive mechanism 5. Further, the lifter drive control unit 6, the reclining drive control unit 7, the slide drive control unit 8, and the steering drive control unit 9 are supplied with a control signal in accordance with a user operation on an operation unit (not shown), and according to the control signal, The lifter driving mechanism 1, the reclining driving mechanism 2, the slide driving mechanism 3, and the steering driving mechanism 4 are driven, respectively. Such lifter drive control unit 6, reclining drive control unit 7, slide drive control unit 8, operation information based on the control state of the lifter mechanism, reclining mechanism, slide mechanism, and steering mechanism by steering drive control unit 9 is driver position drive. It is supplied to the determination unit 11.

  The driver position drive determination unit 11 detects the seating position (driver position) of the seated person on the current vehicle seat 100 based on the state of the lifter mechanism, the state of the reclining mechanism, the state of the slide mechanism, and the state of the steering mechanism. . The driver position is supplied to the side support drive determination unit 12 as change information of the driver position.

  Further, the side support drive control unit 10 drives the side support drive mechanism 5 including the side support units 100L and 100R based on the state of the vehicle. The operation of the side support drive control unit 10 will be described later. The control unit further includes a side support drive determination unit 12 and a side support drive input unit 13 that is an operation switch.

  The side support drive determination unit 12 is supplied with driver position change information from the driver position drive determination unit 11, and is supplied with operation signals for driving the side support units 100L and 100R from the side support drive input unit 13. The side support drive determination unit 12 is supplied with vehicle information from a vehicle information determination unit 22 described later. Then, the side support drive determination unit 12 determines whether to drive the side support units 100L and 100R based on the supplied driver position change information, operation signals, and vehicle information. And the side support drive determination part 12 starts the automatic adjustment operation | movement which adjusts the position of the side support parts 100L and 100R by the side support drive control part 10 based on a vehicle state, and supports a seated person. A detailed description of the automatic adjustment operation of the side support units 100L and 100R will be described later.

  Furthermore, the control unit includes an ignition state input unit 14 that is a sensor that detects the state of the ignition switch, an engine state input unit 15 that detects the operating state of the engine, and a seat belt state that detects the attachment / detachment state of the seat belt. The input unit 16 is connected to a door state input unit 17 that detects the open / closed state of the door. The various states detected by the ignition state input unit 14, the engine state input unit 15, the seat belt state input unit 16, and the door state input unit 17 are an ignition state determination unit 18, an engine state determination unit 19, and a seat belt, respectively. It is supplied to the state determination unit 20 and the door state determination unit 21.

  The ignition state determination unit 18 determines whether the ignition state is on or off based on the sensor signal supplied from the ignition state input unit 14 and supplies the determination result to the vehicle information determination unit 22. . The engine state determining unit 19 determines whether the engine is in an operating state or a non-operating state based on the engine operating state supplied from the engine state input unit 15 and supplies it to the vehicle information determining unit 22. The seat belt state determination unit 20 determines whether the seat belt is attached or not from the signal indicating the attachment / detachment state of the seat belt supplied from the seat belt state input unit 16 and supplies the signal to the vehicle information determination unit 22. To do. The door state determination unit 21 determines whether the door has been opened or closed from the door state detected by the door state input unit 17 and supplies the determined vehicle state to the vehicle information determination unit 22.

  The vehicle information determination unit 22 (vehicle state determination means) determines the vehicle state based on various information supplied from the ignition state determination unit 18, the engine state determination unit 19, the seat belt state determination unit 20, and the door state determination unit 21. to decide. The vehicle information is activated by the side support drive determination unit 12 (control unit) by the side support drive control unit 10 as a drive unit to adjust the positions of the side support units 100L and 100R to support the seated person. Used for. More specifically, the side support drive determination unit 12 is a combination of an ignition state, an engine state, a seat belt state, a door open / close state, a vehicle seat state (lifter, reclining, slide), or a steering position state as a vehicle state. Based on this, the automatic adjustment operation of the side support units 100L and 100R is started.

  The automatic adjustment operation of the side support portions 100L and 100R is based on the load on the side support portions 100L and 100R detected by the strain gauge 119 in order to support the occupant seated at the driver position determined by the driver position drive determination portion 11. This is an operation for positioning the side support portions 100L and 100R at optimal positions. This automatic adjustment operation is normally performed every time an occupant sits on the vehicle seat 100, and is performed in order to obtain the optimal position of the side support portions 100L and 100R for each occupant.

[Operation of Vehicle Seat Control Device]
Next, the operation of the vehicle seat control apparatus configured as described above will be described with reference to FIGS.

  Usually, when a driver gets on a vehicle, the vehicle door is opened and seated on the vehicle seat 100. At this time, an operation for opening the door is detected by the door state input unit 17, and the door state determination unit 21 determines that the door is closed after the door state is opened (step S1). And vehicle information judgment part 22 can acquire that boarding action was performed as vehicle information based on a judgment result of such door state judgment part 21.

  In the next step S <b> 2, the vehicle seat control device determines whether or not the driver has pressed the automatic adjustment switch that constitutes the side support drive input unit 13 in order to operate the side support drive mechanism 5. The operation of the side support drive input unit 13 is transmitted to the side support drive determination unit 12. When the side support drive determination unit 12 determines that the side support drive input unit 13 is operated, the process proceeds to step S14, and the side support drive is performed. If it is determined that the input unit 13 has not been operated, the process proceeds to step S3.

  In step S14, the left support motor 118L and the right motor 118R constituting the side support drive mechanism 5 are driven by the side support drive control unit 10 to automatically set the side support units 100L and 100R to the optimum positions based on the load detected by the strain gauge 119. Perform the adjustment operation. In this automatic adjustment operation, the side support portions 100L and 100R are driven, and the side support portions 100L and 100R are once pressed against the seated person to stop the operation of the side support portions 100L and 100R when the load reaches a predetermined value. Accordingly, the side support portions 100L and 100R are positioned so that the posture of the seated person can be maintained in a good state.

  On the other hand, if the operation of the side support drive input unit 13 cannot be detected in step S2, the process proceeds to step S3 and subsequent steps to perform control for starting the automatic adjustment operation based on the vehicle state. Of course, the order of steps S3 to S7 may be arbitrary.

  Here, when a position change is detected by the lifter drive mechanism 1, the reclining drive mechanism 2, and the slide drive mechanism 3 of the vehicle seat 100 when the driver is seated on the vehicle seat 100, the lifter drive control unit 6. The sensor signal is supplied to the reclining drive control unit 7 and the slide drive control unit 8. These sensor signals are supplied to the driver position drive determination unit 11 and detected as a sheet state (step S3).

  Similarly, when the driver changes the steering position by the steering drive mechanism 4, the position change is detected as a sensor signal by the driver position drive determination unit 11 via the steering drive control unit 9 (step S4).

  By such steps S3 and S4, the driver position drive determination unit 11 collects and accumulates information indicating the driving posture of the driver. Even when the state of the vehicle seat 100 and the steering state are not changed, the same state is accumulated in the driver position drive determining unit 11. The driver position drive determination unit 11 changes the driver position when any one of the state of the vehicle seat 100 and the steering state is changed, and changes the driver position when not changed at all. Accumulate information that there is no change.

  When the driver operates the ignition switch to prepare for driving the vehicle, the operation is detected by the ignition state input unit 14. And the information which turned this ignition state on is supplied to the vehicle information determination part 22 via the ignition state determination part 18 as vehicle information (step S5).

  Further, when the driver wears a seat belt to prepare for driving the vehicle, the operation is detected by the seat belt state input unit 16. The information on wearing the seat belt is supplied as vehicle information to the vehicle information determination unit 22 via the seat belt state determination unit 20 (step S6).

  Further, when the engine of the vehicle is started, the state of the engine is detected by the engine state input unit 15. The information on the engine state is supplied as vehicle information to the vehicle information determination unit 22 via the engine state determination unit 19 (step S7).

  By performing the processing of step S5 to step S7, the various information acquired in step S5 to step S7 is collected as vehicle information in the vehicle information determination unit 22.

  In this way, the control unit that performs Steps S3 to S7 creates a status table as shown in FIG. 5, for example. This status table stores whether or not the automatic adjustment operation is started as described later, whether or not the storage positions of the side support units 100L and 100R are reproduced, whether or not the positions of the side support units 100L and 100R are stored. Referenced to determine whether or not to erase.

  As described above, when the driver gets in, the status table sets the getting-on / off flag to “1” because the door state has changed from open to closed, and the driver position is adjusted to at least one to set the driver adjustment flag to “1”. ”, The ignition flag is set to“ 1 ”when the ignition state is turned on, the seat belt flag is set to“ 1 ”when the seat belt state is put on, and the engine is turned on when the engine state is turned on. The flag can be “1”. In the status table, various flags are not changed when the vehicle is traveling. Then, the control unit performs the operations of step S3 to step S7 even when getting off the vehicle, so that the engine flag is set to “0” when the engine is in the non-operating state, and the seat belt state is in the non-wearing state. Thus, the seat belt flag is set to “0”, the ignition flag is set to “0” when the ignition state is turned off, and the boarding / alighting flag can be set to “0” when the door state shifts from opening to closing.

  Then, in step S8, the side support drive determination unit 12 determines the current status from the driver position collected in the driver position drive determination unit 11 and the vehicle information collected in the vehicle information determination unit 22, and step S9. In step S1, it is determined whether or not the automatic adjustment operation of the side support units 100L and 100R is started. If the automatic adjustment operation of the side support units 100L and 100R is activated in step S9, the process proceeds to step S14. If the automatic adjustment operation is not activated, the process proceeds to step S10.

  At this time, the side support drive determination unit 12 performs status determination with reference to the operation condition table as shown in FIG. 6 in step S8. The operation condition table shown in FIG. 6 includes conditions (1) to (3) for performing the automatic adjustment operation of the side support units 100L and 100R, conditions for reproducing the storage position, and conditions for storing the positions of the side support units 100L and 100R. (1), (2) and conditions for deleting the positions of the side support portions 100L, 100R are registered.

  For example, the condition (1) for starting the automatic adjustment operation is to start the automatic adjustment operation when the ignition flag, the seat belt flag, and the getting-on / off flag are simultaneously “1”. The condition (2) for starting the automatic adjustment operation is to start the automatic adjustment operation when the ignition flag, the seat belt flag, and the dry-positive adjustment flag are simultaneously “1”. Further, the condition (3) for starting the automatic adjustment operation is to start the automatic adjustment operation when the ignition flag, the seat belt flag, the boarding / alighting flag, and the dry / positive adjustment flag are simultaneously “1”. On the other hand, if the conditions for starting the automatic adjustment operation are not met, the process proceeds from step S9 to step S10.

  In step S10, the side support drive determination unit 12 determines whether or not to store the storage positions of the side support units 100L and 100R stored in advance. When the storage position of the side support units 100L and 100R is reproduced in accordance with the conditions for reproducing the storage position as shown in FIG. 6, the process proceeds to step S12, and the side support drive control unit 10 stores it in advance. The side support portions 100L and 100R are operated so that the stored storage position is reached.

  In step S11, the side support drive determination unit 12 determines whether or not to store the storage position by driving the side support units 100L and 100R to the fully open position. When the position of the side support portions 100L, 100R corresponds to (1) or (2) of the condition of storing the positions of the side support portions 100L, 100R as shown in FIG. The processing is advanced, the positions of the side support units 100L and 100R are stored by the side support drive control unit 10, and the side support units 100L and 100R are operated until they are fully opened. As a scene where the positions of the side support portions 100L and 100R are stored in this way and the side support portions 100L and 100R are fully opened, for example, there is a case where it is determined that side support by the side support portions 100L and 100R is unnecessary.

[Effect of the embodiment]
As described above in detail, the vehicle seat control device to which the present invention is applied is based on the vehicle state, and when the automatic adjustment operation by the side support portions 100L and 100R is activated, the vehicle state includes an ignition state, an engine state. Then, based on the combination of the seat belt state, the door open / close state, the vehicle seat state, or the steering position state, it is determined to activate the automatic adjustment operation. As a result, according to the vehicle seat control device, the automatic adjustment operation can be activated according to the use situation based on the vehicle state, and it is avoided that the passengers are bothered by the automatic adjustment operation of the side support portions 100L and 100R. it can.

  The vehicle seat control device records and reproduces the adjustment positions of the side support portions 100L and 100R by the automatic adjustment operation. According to such a vehicle seat control device, for example, as shown in FIG. 6, when the seat belt is mounted, the stored positions of the previous side support portions 100L and 100R can be reproduced. As a result, when changing clothes or changing drivers by getting on and off, or changing drivers without getting on and off, the automatic adjustment function by the side support parts 100L and 100R can be activated to realize appropriate positions of the side support parts 100L and 100R.

  Further, according to the vehicle seat control device, the seating person gets on and off based on the door open / closed state, the automatic adjustment operation of the side support units 100L, 100R is started, and the side support unit 100L, Recording and playback of the adjustment position of 100R is performed. Thereby, according to the vehicle seat control device, the automatic adjustment operation can be started by opening and closing the door as in the conditions (1) and (3) for starting the automatic adjustment operation shown in FIG.

  Furthermore, according to this vehicle seat control device, the boarding / exiting of the seated person and the change of the state of the vehicle seat 100 or the steering position are detected based on the door open / closed state, and the boarding / exiting of the seated person and the vehicle are detected. The automatic adjustment operation of the vehicle seat 100 can be started based on either the state of the vehicle seat 100 or the state of the steering position. According to the vehicle seat control device, the automatic adjustment operation shown in FIG. 6 is started by setting the dry positive adjustment flag to “1” by changing either the state of the vehicle seat 100 or the steering position state. Conditions (2) and (3) can be realized.

  Furthermore, according to this vehicle seat control device, on the condition that the ignition state is on in addition to any of the conditions of getting on and off the seated person and the state of the vehicle seat 100 or the steering position state. In addition, the adjustment positions of the side support portions 100L and 100R can be recorded and reproduced by the automatic adjustment operation. Thereby, according to the vehicle seat control device, it is possible to record and reproduce the positions of the side support portions 100L and 100R that are optimal for the driver, thereby avoiding the troublesomeness of the driver.

  Furthermore, according to this vehicle seat control device, the ignition state is on or the seat belt state is worn in addition to any of the conditions of getting on and off of the seated person and the state of the vehicle seat 100 or the steering position state. On condition that it is in a state, the adjustment positions of the side support portions 100L and 100R are recorded and reproduced by the automatic adjustment operation in steps S12 and S13. Therefore, according to this vehicle seat control device, the conditions for starting the automatic adjustment operation as shown in FIG. 6 can be satisfied, and the adjustment positions of the side support portions 100L and 100R can be recorded and reproduced. The optimum position for the driver can be reproduced.

  Furthermore, according to this vehicle seat control device, the vehicle seat 100 is taken on and off, when the vehicle seat 100 is in the state of steering or the steering position, and when the ignition state is on or the seat belt state is on. After the automatic adjustment operation, the adjustment positions of the side support portions 100L and 100R are recorded on condition that the engine state is in the stopped state or the seat belt state is not attached, and then the side support portions 100L and 100R are fully opened. Therefore, when not driving, it is possible to eliminate unnecessary side support and provide the driver with a relaxed situation.

  Furthermore, according to the vehicle seat control device, the adjustment positions of the side support portions 100L and 100R are recorded on condition that the engine state is the stop state or the seat belt state is the non-wearing state, and then the side support is performed. When it is determined that the seated person gets off based on the door open / close state after the portions 100L and 100R are fully opened, the adjustment positions of the side support portions 100L and 100R are erased according to the memory erasure condition shown in FIG. It can be set so that an automatic adjustment function is required for the next driver while the driver gets off and the next driver gets indefinite.

  Furthermore, according to this vehicle seat control device, when the seated person gets on the basis of the door open / closed state and determines that the seat belt is in the mounted state, the stored side support portions 100L and 100R are adjusted. Play the position. Thus, when the driver change is not detected, it is necessary for the driver to rest with the seat belt removed from the seat, and since the automatic adjustment operation of the side support portions 100L and 100R is not required, it is necessary to reproduce the previous position. It is enough.

  As described above, it is possible to efficiently use the automatic adjustment function of the side support units 100L and 100R and the reproduction function of the storage position by judging the conditions based on the boarding / alighting of the driver, the change of the driver position, the ignition in the vehicle, the engine, and the seat belt. Can be used properly. Accordingly, the side support units 100L and 100R can activate the automatic adjustment operation only when necessary without causing the driver to be bothered by the automatic adjustment operation and can always provide appropriate side support.

  The above-described embodiment is an example of the present invention. For this reason, the present invention is not limited to the above-described embodiment, and various modifications can be made depending on the design and the like as long as the technical idea according to the present invention is not deviated from this embodiment. Of course, it is possible to change.

It is a perspective view of a vehicle seat operated by a vehicle seat control device to which the present invention is applied. It is a perspective view which shows the internal structure of the vehicle seat which operate | moves with the control apparatus of the vehicle seat to which this invention is applied. It is a block diagram which shows the functional structure of the control apparatus of the vehicle seat to which this invention is applied. It is a flowchart which shows operation | movement of the control apparatus of the vehicle seat to which this invention is applied. It is a figure which shows the status table produced by the control apparatus of the vehicle seat to which this invention is applied. It is a figure which shows the operation condition table which shows the operation conditions of the control apparatus of the vehicle seat to which this invention is applied.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lifter drive mechanism 2 Reclining drive mechanism 3 Slide drive mechanism 4 Steering drive mechanism 5 Side support drive mechanism 6 Lifter drive control part 7 Reclining drive control part 8 Slide drive control part 9 Steering drive control part 10 Side support drive control part 11 Driver position drive judgment Section 12 Side support drive determination section 13 Side support drive input section 14 Ignition state input section 15 Engine state input section 16 Seat belt state input section 17 Door state input section 18 Ignition state determination section 19 Engine state determination section 20 Seat belt state determination section 21 Door State determination unit 22 Vehicle information determination unit 100 Vehicle seat 100B Rear surface part 100H Headrest 100L, 100R Side support part 110L, 110R Side support movable 111 seat frame 112L, 112R rotating support 114L, 114R side support frames 115L, 115R, 116,117L, 117R link 118L left motor 118R right motor 119 gauge 121 cushion support spring

Claims (9)

Drive means for driving a right support and a left support that are included in a vehicle seat on which a seated person is seated and that support the upper body of the seated person seated on the vehicle seat from both sides;
Vehicle state determination means for determining the vehicle state;
Control means for starting an automatic adjustment operation for supporting a seated person by adjusting the positions of the right support part and the left support part by the driving means based on the vehicle state determined by the vehicle state determination means. ,
The control means activates the automatic adjustment operation based on a combination of an ignition state, an engine state, a seat belt state, a door opening / closing state, a vehicle seat state, or a steering position state as the vehicle state. A vehicle seat control device.   2. The vehicle seat control device according to claim 1, wherein the control unit records and reproduces the adjustment positions of the right support portion and the left support portion by the automatic adjustment operation. 3.   3. The vehicle seat according to claim 2, wherein the control unit detects the getting on / off of a seated person based on the door open / closed state determined by the vehicle state determining unit, and activates the automatic adjustment operation. Control device.   The control means detects the occupant's getting on and off based on the door open / closed state determined by the vehicle state determining means and the change in the state of the vehicle seat or the steering position state. 3. The vehicle seat control device according to claim 2, wherein the automatic adjustment operation is started based on either a seat state or a steering position state.   5. The control unit according to claim 4, wherein the control unit records and reproduces the adjustment positions of the right support portion and the left support portion by the automatic adjustment operation on condition that the ignition state is an on state. Control device for vehicle seat.   The control means records and reproduces the adjustment positions of the right support portion and the left support portion by the automatic adjustment operation on the condition that the ignition state is an on state or the seat belt state is a wearing state. The vehicle seat control device according to claim 4.   The control means records the adjustment positions of the right support portion and the left support portion on the condition that the engine state is a stopped state or the seat belt state is a non-wearing state, and then the right support portion and the left support portion are recorded. The vehicle seat control device according to any one of claims 1 to 6, wherein the support portion is fully opened.   The control means erases the adjustment positions of the right support part and the left support part when it is determined that the seated person has got off based on the door open / closed state determined by the vehicle state determination means. The vehicle seat control device according to claim 7.   The control means, when a seated person gets on the basis of the door open / closed state by the vehicle state determining means and determines that the seat belt is in the mounted state, the stored right side support portion and left side support portion. The vehicle seat control device according to claim 8, wherein the adjustment position is regenerated.

Images