JP5942727B2 - Vehicle door opening and closing device - Google Patents

Description

  The present invention relates to a vehicle door opening / closing device that emits a notification sound when opening and closing a vehicle door.

  Conventionally, as such a vehicle door opening and closing device, for example, the one described in Patent Document 1 is known. This vehicle door opening and closing device has a buzzer attached to the inside of the vehicle, and when the vehicle door reaches a predetermined opening degree during opening operation of the vehicle door, the vehicle door is temporarily stopped for a predetermined time and thereafter the vehicle door is restarted. Sometimes the buzzer is driven.

  This is because, normally, when the vehicle door is fully closed, the buzzer sound in the vehicle is difficult to hear for people outside the vehicle, while driving the buzzer with the vehicle door opened by a predetermined opening degree, This is so that a person outside the vehicle can hear even if the volume is relatively small. Thereby, it is said that the discomfort given to the person in the vehicle due to excessive loudness can be reduced.

Japanese Patent No. 3960328

By the way, in patent document 1, it will stop temporarily when the vehicle door reaches the predetermined opening, and there is a possibility that the time until the vehicle door is fully opened becomes longer and the convenience is impaired.
SUMMARY OF THE INVENTION An object of the present invention is to provide a vehicle door opening / closing device that makes it easy for a person outside the vehicle to hear a notification sound while reducing the uncomfortable feeling given to the person inside the vehicle without impairing convenience.

  In order to solve the above problems, the invention described in claim 1 includes door driving means for opening and closing a vehicle door, and sound generating means that is disposed in the vehicle and emits a notification sound for notifying opening and closing of the vehicle door. A sound driving means for driving the sound generating means, a detecting means for detecting an opening / closing position of the vehicle door, and an opening / closing position of the vehicle door closer to a fully opening position from the fully closed position during the opening / closing driving of the vehicle door. And a sound control means for controlling the sound driving means so as to suppress the degree of the sound element of the notification sound emitted by the sound generating means.

  In general, the notification sound generated from the inside of a vehicle becomes harder to be heard by people outside the vehicle as the opening / closing position of the vehicle door approaches the fully closed position, and becomes easier to hear by people outside the vehicle as it approaches the fully open position. According to this configuration, when the vehicle door is opened and closed, the sound control means controls the sound control means to suppress the degree of the sound element of the notification sound emitted by the sound generation means as the vehicle door open / close position approaches the fully open position. By controlling the sound driving means, it is possible to suppress discomfort to people in the vehicle with an excessive degree of sound elements. On the contrary, when the vehicle door is opened / closed, the sound control means causes the sound control means to increase the degree of the sound element of the notification sound generated by the sound generating means as the vehicle door open / close position approaches the fully closed position. By controlling the driving means, it can be easily heard by people outside the vehicle.

In addition, the progress of the opening / closing drive of the vehicle door is not affected, and the convenience is not impaired.
According to a second aspect of the present invention, in the vehicle door opening and closing device according to the first aspect, a plurality of operation members that request opening / closing drive of the vehicle door and the operation member that requests opening / closing drive of the vehicle door. An operation position acquisition means for acquiring a position, and the sound control means is configured to generate a notification sound generated by the sound generation means when the acquired position of the operation member is inside the vehicle, than when the position is outside the vehicle. The gist is to control the sound driving means so that the degree of the sound element is reduced.

  Usually, when the position of the operation member that has requested opening / closing drive of the vehicle door is in the vehicle, there is a high possibility that a person is in the vehicle, and conversely, the position of the operation member that has requested opening / closing drive of the vehicle door When is outside the vehicle, there is a high possibility that a person is outside the vehicle. According to this configuration, when the acquired position of the operation member is in the vehicle, the sound driving means is controlled by the sound control means so as to suppress the degree of the sound element of the notification sound emitted by the sound generating means. Thus, it is possible to suppress discomfort to people in the vehicle. On the other hand, when the acquired position of the operation member is outside the vehicle, the sound control means is controlled by the sound control means so that the degree of the sound element of the notification sound emitted by the sound generation means becomes large. This can make it easier for people outside the car to hear.

  INDUSTRIAL APPLICABILITY The present invention has an effect that it is easy for a person outside the vehicle to hear the notification sound while suppressing the discomfort given to the person inside the vehicle without impairing convenience.

The block diagram which shows the electric constitution of one Embodiment of this invention. The map which shows the relationship between the opening / closing position of a sliding door and volume. A table showing the relationship between trigger type and volume. The flowchart which shows the control aspect of the embodiment. The map which shows the relationship between the opening / closing position and frequency of a sliding door. A table showing the relationship between trigger type and frequency.

Hereinafter, an embodiment in which the present invention is applied to a power slide door system of a vehicle such as an automobile will be described with reference to the drawings.
As shown in FIG. 1, a door ECU (Electronic Control Unit) 10 installed in a vehicle body is mainly composed of, for example, a micro controller (MCU). For example, a door motor 21 serving as a door driving means composed of a DC motor is used. And are electrically connected. The door motor 21 is linked to a slide door 1 as a vehicle door via an appropriate transmission mechanism (not shown). The sliding door 1 is supported on a side portion of the vehicle body through an appropriate support member (not shown) so as to be movable in the vehicle front-rear direction, and an opening for getting on and off is provided along with the movement in the vehicle front-rear direction. Open and close. The door ECU 10 electrically opens and closes the slide door 1 by driving control of the door motor 21.

  Further, the door ECU 10 is electrically connected to a buzzer 22 as sound generating means disposed and attached to the interior of the vehicle (for example, an inner panel that is an inner plate of the vehicle body or the sliding door 1 or a substrate of the door ECU 10). ing. The door ECU 10 drives the buzzer 22 in accordance with various timings to generate a notification sound for notifying the opening / closing of the slide door 1, and the volume (sound pressure, sound pressure level) as a sound element of the notification sound emitted by the buzzer 22. ).

More specifically, the door ECU 10 includes an operation trigger acquisition unit 11, a pulse acquisition unit 12, a door control unit 13, a door motor control unit 14, a volume control unit 15, and a sound output unit 16.
The operation trigger acquisition unit 11 includes, for example, a driver seat operation switch 23 installed on the dashboard facing the driver seat side, an inside handle switch 24 installed on the inside door handle IH, and an outside installed on the outside door handle OH. The steering wheel switch 25 and the vehicle-mounted device 26 mounted on the vehicle body are electrically connected to each other. The inside door handle IH and the outside door handle OH serve as a handshake when the sliding door 1 is manually opened and closed, and are installed on the inside and outside of the sliding door 1, respectively.

  The driver's seat operation switch 23 outputs a corresponding operation signal to the operation trigger acquisition unit 11 by being pushed by the driver (user). The inside handle switch 24 outputs a corresponding operation signal to the operation trigger acquisition unit 11 when the inside door handle IH is operated by the user. The outside handle switch 25 outputs a corresponding operation signal to the operation trigger acquisition unit 11 when the outside door handle OH is operated by the user.

  The in-vehicle device 26 constitutes a wireless communication system with a portable device (electronic key) 27 carried by the user, and receives a transmission signal associated with the pressing operation of the wireless switch 27a of the portable device 27. The corresponding operation signal is output to the operation trigger acquisition unit 11.

  The operation signals from the driver's seat operation switch 23, the inside handle switch 24, the outside handle switch 25 or the vehicle-mounted device 26 are the driver's seat operation switch 23, the inside door handle IH, the outside door handle OH or the wireless switch. This is a signal for switching the logic level (on / off state) in accordance with the operation of 27a. Each operation signal represents, for example, a user's instruction (intention) to open the slide door 1 by the door motor 21 when the slide door 1 is fully closed. In this case, it represents a user instruction to close the slide door 1 by the door motor 21. Alternatively, each operation signal represents a user's instruction (intention) to stop the opening / closing operation during the opening / closing operation of the slide door 1.

  The operation trigger acquisition unit 11 acquires an operation signal from the driver's seat operation switch 23, the inside handle switch 24, the outside handle switch 25 or the in-vehicle device 26 as operation request information from the user, and the operation request information is door-controlled. Output to the unit 13 and the volume control unit 15, respectively. The operation request information includes the operation information requested by the slide door 1 (open operation, close operation or stop), operation position information (driver seat operation switch 23, inside door handle IH (inside handle switch 24)), out A side door handle OH (outside handle switch 25) or a wireless switch 27a) is included.

  The pulse acquisition unit 12 acquires a pulse output from the Hall IC that detects the rotation of the door motor 21 and calculates the opening / closing position of the slide door 1 based on the number of pulses obtained by counting the acquired pulse. Then, the pulse acquisition unit 12 outputs the calculated opening / closing position of the sliding door 1 to the door control unit 13 and the volume control unit 15 as opening / closing position information of the sliding door 1.

  The door control unit 13 generates a door operation request signal or a door stop request signal based on the operation request information from the operation trigger acquisition unit 11 and the opening / closing position information from the pulse acquisition unit 12, and the generated door operation request signal or The door stop request signal is output to the door motor control unit 14 as door operation request information or door stop request information. The door control unit 13 determines whether or not an operation condition that can start the opening / closing operation of the slide door 1 is established based on various information, and the result of the determination is sent to the volume control unit 15 as operation condition information. Output.

  That is, for example, it is assumed that there is a request for opening the slide door 1 when the slide door 1 is fully closed. At this time, the door control unit 13 acquires information on whether or not the release of the fully closed door lock device (latch mechanism: not shown) that holds the slide door 1 in the fully closed state is completed by a known method. Then, the door control unit 13 outputs operation condition information indicating that the operation condition is satisfied to the volume control unit 15 when the release of the fully closed door lock device is completed. Alternatively, the door control unit 13 outputs operating condition information indicating that the operating condition is not satisfied to the volume control unit 15 when the release of the fully closed door lock device is not completed.

  Further, it is assumed that the sliding door 1 is requested to be closed when the sliding door 1 is fully opened. At this time, the door control unit 13 acquires information on whether or not the release of the fully open door lock device (latch mechanism: not shown) that holds the slide door 1 in the fully open state is completed by a known method. Then, the door control unit 13 outputs operating condition information indicating that the operating condition is satisfied to the volume control unit 15 when the release of the fully open door lock device is completed. Alternatively, the door control unit 13 outputs operating condition information indicating that the operating condition is not satisfied to the volume control unit 15 when the release of the fully open door lock device is not completed.

  The door motor control unit 14 drives the door motor 21 to open or close the slide door 1 based on the door operation request information from the door control unit 13, or the sliding door being opened / closed based on the door stop request information In order to stop 1, the drive of the door motor 21 is stopped.

  The volume control unit 15 is a volume of a notification sound generated by the buzzer 22 based on the operation request information from the operation trigger acquisition unit 11, the opening / closing position information from the pulse acquisition unit 12, and the operation condition information from the door control unit 13. And the type of the notification sound (the type of the notification sound according to whether the operating condition is satisfied or not) is determined.

  Specifically, the volume control unit 15 stores the map shown in FIG. 2 and the table shown in FIG. 3, and determines the volume of the notification sound generated by the buzzer 22 based on them. For example, when the operation position information of the operation request information is common, the volume control unit 15 increases the volume as the open / close position of the slide door 1 approaches the fully closed position, and decreases the volume as the slide door 1 approaches the fully opened position. The volume of the notification sound is adjusted / decided so as to increase or decrease monotonously. This is because the notification sound of the buzzer 22 becomes harder to be heard by people outside the vehicle as the open / close position of the slide door 1 approaches the fully closed position. Alternatively, the closer the open / close position of the slide door 1 is to the fully open position, the more the sound of the buzzer 22 can be heard by a person outside the vehicle even at a relatively low volume. This is to suppress giving a pleasant feeling.

  When the opening / closing position information of the slide door 1 is common, the volume control unit 15 changes in a step shape according to an operation position (hereinafter, also referred to as “trigger type”) that is a trigger for the operation. The volume of the notification sound is adjusted and determined as described above. That is, when the trigger type is the driver's seat operation switch 23 in the vehicle, the lowest volume is selected as shown by the broken line in FIG. 2, whereas the trigger type is the wireless switch 27a outside the vehicle. In such a case, the loudest volume is selected as shown by the solid line in FIG. When the trigger type is the inside door handle IH or the outside door handle OH, an intermediate volume is selected as shown by a one-dot chain line or a two-dot chain line in FIG. This is because, for example, when the trigger type is the driver's seat operation switch 23, there is a high possibility that there is a person (user) in the vehicle, and it gives an unpleasant feeling to the person in the vehicle at an excessive volume level. This is to suppress. Alternatively, when the trigger type is the wireless switch 27a, there is a high possibility that there is a person (user) outside the vehicle, and it is easy for the person outside the vehicle to hear the notification sound of the buzzer 22. In addition, the volume of the middle door volume when the trigger type is the inside door handle IH and the middle volume when the trigger type is the outside door handle OH are set to be larger at the outside door handle OH. . This is because the inside door handle IH is operated by a person inside the vehicle, and the outside door handle OH is operated by a person outside the vehicle.

  Furthermore, the sound volume control unit 15 stores different types of notification sounds depending on whether the operating condition is satisfied (for example, when the sliding door 1 is being opened / closed) or not (for example, the slide door 1 is waiting for the opening / closing operation). Based on the operating condition information from the door control unit 13, the type of notification sound emitted by the buzzer 22 is selected and determined. When the operating condition is not established, the sliding door 1 is waiting for opening / closing operation, so that the opening / closing position of the sliding door 1 also remains at a predetermined opening / closing position (for example, a fully closed position). Therefore, in this case, the volume control unit 15 maintains the volume of the notification sound that has been adjusted and determined initially.

  Then, the volume control unit 15 is configured to generate a notification sound from the buzzer 22 with the volume level and type corresponding to the acquisition timing of the operation condition information from the door control unit 13 and the logic switching timing. Sound output information is output to the output unit 16.

  The sound output unit 16 outputs a sound output signal based on the sound output information from the volume control unit 15 to the buzzer 22 and drives the buzzer 22. As a result, the buzzer 22 emits a notification sound of the corresponding volume level and type.

Next, the operation of this embodiment will be described.
FIG. 4 shows the drive control mode of the buzzer 22 by the door ECU 10, when the processing shifts to this routine, the door ECU 10 includes the driver's seat operation switch 23, the inside door handle IH (inside handle switch 24), the outside door. It is determined whether there is an operation input of the handle OH (outside handle switch 25) or the wireless switch 27a (S1).

  Here, if it is determined that there is any operation input, the door ECU 10 determines whether an operation condition is satisfied (S2). When it is determined that the operating condition is satisfied, the door ECU 10 determines the notification sound generated by the buzzer 22 in accordance with the relationship between the opening / closing position / trigger type of the slide door 1 and the volume shown in FIGS. The volume is adjusted (S3). As a result, the buzzer 22 emits a notification sound of a type corresponding to the established condition of the operating condition at the adjusted volume level.

  At this time, the door ECU 10 opens / closes the slide door 1 in parallel, and the opening / closing position of the slide door 1 changes accordingly. Therefore, the buzzer 22 emits a notification sound whose volume changes in accordance with the change in the opening / closing position of the slide door 1.

  On the other hand, when it is determined in S2 that the operating condition is not satisfied, the door ECU 10 notifies the buzzer 22 according to the relationship between the opening / closing position / trigger type of the sliding door 1 and the volume shown in FIGS. The volume level of the sound is adjusted (S4). Thereby, from the buzzer 22, the notification sound of the type corresponding to the state where the operating condition is not established is emitted with the adjusted volume.

  At this time, the door ECU 10 waits for the opening / closing operation of the slide door 1, and the opening / closing position of the slide door 1 remains as it is. Therefore, the buzzer 22 continues to emit the notification sound with the volume adjusted at the beginning.

If it is determined in S1 that all operation inputs are not present, or if the volume of the notification sound is adjusted in S3 or S4, the subsequent processing ends.
As described above in detail, according to the present embodiment, the following effects can be obtained.

  (1) In the present embodiment, when the sliding door 1 is opened and closed, the volume control unit 15 performs a sound so as to suppress the volume of the notification sound generated by the buzzer 22 as the opening / closing position of the sliding door 1 approaches the fully opened position. By controlling the output unit 16, it is possible to suppress discomfort to people in the vehicle due to excessive volume. On the contrary, when the sliding door 1 is opened and closed, the sound output unit 16 is controlled by the volume control unit 15 so that the volume of the notification sound generated by the buzzer 22 increases as the opening / closing position of the sliding door 1 approaches the fully closed position. Is controlled so that it can be easily heard by people outside the vehicle.

In this way, it is possible to achieve both the suppression of discomfort given to people in the vehicle and the ease of listening to people outside the vehicle.
Further, the progress of the opening / closing drive of the slide door 1 is not affected, and the convenience is not impaired.

  (2) In the present embodiment, when the operation position (trigger type) acquired by the operation trigger acquisition unit 11 is in the vehicle, the volume control unit 15 performs a sound so as to suppress the volume of the notification sound generated by the buzzer 22. By controlling the output unit 16, it is possible to suppress discomfort to people in the vehicle due to excessive volume. On the other hand, when the operation position (trigger type) acquired by the operation trigger acquisition unit 11 is outside the vehicle, the sound output unit 16 is set by the volume control unit 15 so that the volume of the notification sound generated by the buzzer 22 becomes large. By being controlled, it can be easily heard by people outside the vehicle.

In addition, you may change the said embodiment as follows.
As shown in the map of FIG. 5 and the table of FIG. 6, a frequency may be employed instead of the volume as the sound element of the notification sound related to the adjustment. Usually, the notification sound is set to a frequency (for example, 2 to 4 KHz) in a band that gives a tension to the person, and it is known that an unpleasant feeling given to the person is suppressed as the frequency becomes lower.

  Therefore, when the trigger types are common, the notification sound is generated so that the frequency increases as the open / close position of the slide door 1 approaches the fully closed position, and increases and decreases monotonously so as to decrease the frequency as it approaches the fully open position. What is necessary is just to adjust and determine the height of the frequency. As a result, the closer the open / close position of the slide door 1 is to the fully open position, the lower the frequency of the notification sound generated by the buzzer 22, thereby suppressing discomfort to people in the vehicle at excessive frequency. be able to. On the contrary, when the sliding door 1 is opened and closed, the closer the opening / closing position of the sliding door 1 is to the fully-closed position, the higher the frequency of the notification sound generated by the buzzer 22 is, so that it can be easily heard by people outside the vehicle. Can do.

  When the opening / closing position information of the slide door 1 is common, the frequency of the notification sound is adjusted and determined so as to change stepwise according to the trigger type. That is, when the trigger type is the driver's seat operation switch 23 in the vehicle, the lowest frequency is selected as shown by the broken line in FIG. 5, whereas the trigger type is the wireless switch 27a outside the vehicle. In such a case, the highest frequency is selected as shown by the solid line in FIG. When the trigger type is the inside door handle IH or the outside door handle OH, an intermediate frequency is selected as shown by a one-dot chain line or a two-dot chain line in FIG. Further, the frequency of the intermediate door when the trigger type is the inside door handle IH and the frequency of the intermediate when the trigger type is the outside door handle OH are set higher in the outside door handle OH. . This is because the inside door handle IH is operated by a person inside the vehicle, and the outside door handle OH is operated by a person outside the vehicle. Thereby, when the trigger type is in the vehicle, it is possible to suppress discomfort to people in the vehicle at an excessively high frequency by suppressing the frequency of the notification sound generated by the buzzer 22. On the other hand, when the trigger type is outside the vehicle, the frequency of the notification sound generated by the buzzer 22 becomes so high that it can be easily heard by people outside the vehicle.

  If the operating condition is satisfied (when the sliding door 1 is being opened / closed), the buzzer 22 generates a notification sound whose frequency height changes in accordance with the change in the opening / closing position of the sliding door 1. If the operating condition is not satisfied (waiting for opening / closing operation of the slide door 1), a notification sound with the initially adjusted frequency will continue to be emitted.

-In the said embodiment, you may employ | adopt a melody in addition to a volume as a sound element of the notification sound which concerns on adjustment.
In the embodiment, the adjustment of the sound element level (volume level, frequency level) of the notification sound according to the opening / closing position (and trigger type) of the slide door 1 is an adjustment that increases or decreases in stages. Alternatively, it may be an adjustment that increases or decreases in a multidimensional functional manner or an exponential manner.

  In the embodiment, in the state where the operating condition is not satisfied (waiting for opening / closing operation of the slide door 1), only when the slide door 1 is in the fully closed position, the degree of the sound element of the notification sound (volume) May be adjusted, and other than that, the adjustment may not be performed.

  Alternatively, in the state where the operating condition is not satisfied (waiting for opening / closing operation of the slide door 1), the adjustment of the sound element level (volume level and frequency level) according to the trigger type is not performed. Also good.

  In the above embodiment, the adjustment of the sound element level (volume level, frequency height) according to the trigger type is not performed regardless of whether the operating condition is satisfied or not. Good.

-In the said embodiment, the structure which can be adjusted and selected manually by the user, for example may be sufficient as the degree of the sound element of the alerting sound which the buzzer 22 emits (volume magnitude | size, the height of a frequency).
In the embodiment, the open / close position of the slide door 1 may be detected by a rotary encoder that detects the rotation of the door motor 21 or the open / close position of the slide door 1 is directly detected using an appropriate position detection sensor. You may make it do.

In the embodiment, the sound generating means may be a speaker instead of the buzzer 22.
-This invention may be applied, for example to a swing type vehicle door, and may be applied to the back door arrange | positioned at a vehicle rear part.

Next, the technical idea that can be grasped from the above embodiment and other examples will be described below.
(A) In the vehicle door opening and closing device according to claim 2,
The vehicle door opening and closing device, wherein the plurality of operation members include a driver's seat operation switch installed in a driver's seat, an inside door handle, an outside door handle, and a wireless switch of a portable device carried by a user.

(B) In the vehicle door opening and closing device according to claim 1 or 2,
The sound element of the notification sound is a volume, and the degree of the sound element of the notification sound is suppressed by lowering the volume.

(C) In the vehicle door opening and closing device according to claims 1 and 2,
The sound element of the notification sound is a frequency, and the degree of the sound element of the notification sound is suppressed by lowering the frequency.

  IH ... Inside door handle (operation member), OH ... Outside door handle (operation member), 1 ... Slide door (vehicle door), 11 ... Operation trigger acquisition unit (operation position acquisition means), 12 ... Pulse acquisition unit (detection) Means), 15 ... Volume control section (sound control means), 16 ... Sound output section (sound drive means), 21 ... Door motor (door drive means), 22 ... Buzzer (sound generation means), 23 ... Driver seat operation switch ( Operation member), 24 ... Inside handle switch, 25 ... Outside handle switch, 26 ... In-vehicle device, 27 ... Portable device, 27a ... Wireless switch (operation member).

Claims (2)

Door driving means for opening and closing the vehicle door;
A sound generating means disposed in the vehicle for generating a notification sound for notifying the opening and closing of the vehicle door;
Sound driving means for driving the sound generating means;
Detecting means for detecting an opening / closing position of the vehicle door;
The sound for controlling the sound driving means to suppress the degree of the sound element of the notification sound generated by the sound generating means as the opening / closing position of the vehicle door approaches the fully open position from the fully closed position during the opening / closing drive of the vehicle door. And a vehicle door opening and closing device. The vehicle door opening and closing device according to claim 1,
A plurality of operation members that request opening and closing drive of the vehicle door;
Operation position acquisition means for acquiring the position of the operation member that has requested opening and closing drive of the vehicle door,
The sound control means drives the sound so that the degree of the sound element of the notification sound emitted by the sound generation means is smaller when the position of the acquired operation member is inside the vehicle than when it is outside the vehicle. A vehicle door opening and closing device characterized by controlling the means.