JP2017007515A - Notification device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a notification device capable of presenting information on a recommended operation to a driver of a vehicle.SOLUTION: A notification device includes a storage unit in which signal change patterns based on a state of each of a plurality of on-vehicle instruments 3 for each situation around a vehicle which is assumed beforehand are stored in association with each other, a situation determination unit 13 for estimating a situation around the vehicle based on a signal change and a signal change pattern of at least one on-vehicle instrument 3 of the plurality of on-vehicle instruments 3, an information acquisition unit 15 for acquiring a state of the on-vehicle instrument related to the situation around the vehicle estimated by the situation determination unit 13, of the plurality of on-vehicle instruments 3, an information creation unit 17 for creating notification information on a recommended operation recommended to a driver based on the state of the related on-vehicle instrument 3 acquired by the information acquisition unit 15, and an information presentation unit 19 for presenting the notification information on the recommended operation created by the information creation unit 17 to the driver.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a notification device.

  2. Description of the Related Art Conventionally, among notification devices provided in a vehicle, there are devices that support the driving operation of the driver by making various notifications to the vehicle driver. For example, when the driver has forgotten to return the direction indicator lever, there is one that alerts the user to forget to return the direction indicator lever (see, for example, Patent Document 1).

  In this case, the notification device described in Patent Document 1 calls attention only to the fact that it directly relates to the operation of the direction indicator lever itself.

JP 2013-86553 A

  However, the notification device described in Patent Literature 1 cannot present recommended operation information suitable for the situation around the vehicle to the driver of the vehicle.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a notification device capable of presenting recommended operation information suitable for the situation around the vehicle to the driver of the vehicle.

  An informing device according to the present invention is an informing device provided in a vehicle and informing a driver who drives the vehicle, a communication network connected to each of a plurality of in-vehicle devices, and the vehicle assumed in advance. A storage unit in which signal change patterns based on respective states of the plurality of in-vehicle devices are associated with each other and stored, a signal change in at least one in-vehicle device among the plurality of in-vehicle devices, and the storage A situation determination unit that estimates a situation around the vehicle based on a change pattern of the signal stored in a unit, and the situation determination unit among the plurality of in-vehicle devices via the communication network An information acquisition unit that acquires information on the state of the in-vehicle device related to the situation around the vehicle estimated in step 1 and information on the state of the related in-vehicle device acquired by the information acquisition unit An information generating unit that generates recommended operation notification information recommended to the driver, and an information presentation unit that presents the recommended operation notification information generated by the information generating unit to the driver. It is characterized by providing.

  According to the notification device according to the present invention, since the recommended operation information is generated based on the situation around the vehicle and the state of the in-vehicle device, the recommended action information suitable for the situation around the vehicle is obtained. Can be presented to the driver.

  Further, in the notification device according to the present invention, the state of the related in-vehicle device corresponds to a situation around the vehicle, and is either a recommended state or a non-recommended state, and the information generation unit includes: When the state of the related in-vehicle device is the non-recommended state, it is preferable that the notification information of the recommended operation is generated.

  According to this notification device, since it is possible to determine whether the state of the in-vehicle device corresponding to the situation around the vehicle is the recommended state or the non-recommended state, the notification information suitable for the situation around the vehicle is generated. Can do.

  Further, in the notification device according to the present invention, the situation determination unit is assumed in advance when a change in a signal of at least one in-vehicle device out of the plurality of in-vehicle devices matches a change pattern in the signal. It is preferable that a situation around the vehicle corresponding to the coincident change pattern of the signal is selected as an estimated situation around the vehicle among situations around the vehicle.

  According to this notification device, it is possible to correlate the change in the signal of the in-vehicle device, the change pattern of the signal of the in-vehicle device, and the situation around the vehicle, so the current state of the driver in the vehicle is estimated. can do.

  According to the present invention, since recommended operation information is generated based on the situation around the vehicle and the state of the on-vehicle device, the recommended action information suitable for the situation around the vehicle is presented to the vehicle driver. It is possible to provide a notification device that can do the above.

It is a figure which shows schematic structure of the alerting | reporting apparatus which concerns on Embodiment 1. FIG. It is a figure which shows the example of a state of the vehicle equipment 3 which concerns on Embodiment 1. FIG. 6 is a diagram illustrating an example of a signal change pattern according to Embodiment 1. FIG. 3 is a flowchart for explaining a control example of a notification device according to the first embodiment. It is a figure which shows an example of the change pattern of the signal which concerns on Embodiment 2. FIG.

Embodiment 1. FIG.
FIG. 1 is a diagram illustrating a schematic configuration of a notification device according to the first embodiment. As shown in FIG. 1, the electronic device 1 includes a notification device and is provided in a vehicle. The electronic device 1 includes a plurality of in-vehicle devices 3, a storage unit 11, a situation determination unit 13, an information acquisition unit 15, an information generation unit 17, and an information presentation unit 19. Among these, the notification device is configured by the storage unit 11, the situation determination unit 13, the information acquisition unit 15, the information generation unit 17, and the information presentation unit 19.

  The notification device is provided in the vehicle and notifies a driver who drives the vehicle. The plurality of in-vehicle devices 3, the storage unit 11, the situation determination unit 13, the information acquisition unit 15, the information generation unit 17, and the information presentation unit 19 can transmit and receive various signals via the communication network 5. The communication network 5 is an in-vehicle network connected to each of the plurality of in-vehicle devices 3 and a notification device, and specifically performs communication based on the CAN protocol.

  By performing communication conforming to the CAN protocol, signals from a plurality of in-vehicle devices 3 are transferred via the communication network 5.

  Here, each of the plurality of in-vehicle devices 3 incorporates an in-vehicle function for performing a certain operation. In addition, among the plurality of in-vehicle devices 3, the in-vehicle functions 3 related to a specific item are incorporated in the in-vehicle devices 3 in a specific group.

  Specifically, the vehicle includes a steering system ECU, a body system ECU, a safety system ECU, and the like. For example, the steering system ECU controls steering, that is, a device related to steering, and controls an electric steering device and the like. Therefore, in the case of a device related to steering among the plurality of vehicle-mounted devices 3, the vehicle-mounted device 3 corresponds to a control device such as a steering system ECU and a driving device such as an electric steering device.

  The body system ECU controls a body, that is, a device related to the vehicle body, and controls a power window, a power seat, an instrument panel, a light, and the like. Therefore, in the case of a vehicle-related device among a plurality of in-vehicle devices 3, a control device such as a body system ECU, a drive device such as a power window and a power seat, a display device such as an instrument panel, and a light It is the vehicle equipment 3 which such an illuminating device respond | corresponds.

  The safety system ECU controls devices that protect passengers on the vehicle including the driver, and controls parking assistance, air bags, seat belts, back guide monitors, and the like. . Therefore, among the plurality of in-vehicle devices 3, in the case of a device related to protection of an occupant riding in the vehicle, a control device such as a safety ECU, an integrated system such as a parking assist, an air bag, and a seat belt This is a vehicle-mounted device 3 to which a protective device and a parking assist device such as a back guide / monitor correspond.

  In the storage unit 11, signal change patterns based on respective states of the plurality of in-vehicle devices 3 are stored in association with each other in advance for each situation around the vehicle. Specifically, the storage unit 11 stores a change pattern of a signal of the in-vehicle device 3 generated based on a general driver operation pattern or the like for each situation around the vehicle. The storage unit 11 stores such a signal change pattern as an action model database for each situation around the vehicle.

  Further, a plurality of situations around the vehicle are stored in the storage unit 11. The situation around the vehicle is mainly related to the external environment of the vehicle and to the operation of the vehicle. A thing related to the external environment of the vehicle is, for example, rainy weather. Moreover, the thing regarding operation | movement of a vehicle is parking, for example.

  The storage unit 11 only needs to be composed of a semiconductor memory, but may be composed of an HDD. Moreover, the memory | storage part 11 may be integrated in a alerting | reporting apparatus, and may be detachable.

  The situation determination unit 13 estimates a situation around the vehicle based on a signal change of at least one in-vehicle device 3 among the plurality of in-vehicle devices 3 and a signal change pattern stored in the storage unit 11. Is. Specifically, when the signal change of at least one vehicle-mounted device 3 among the plurality of vehicle-mounted devices 3 matches the signal change pattern, the situation determination unit 13 determines the situation around the vehicle that is assumed in advance. Among them, the situation around the vehicle corresponding to the matched signal change pattern is selected as the estimated situation around the vehicle.

  The information acquisition unit 15 acquires information on the state of the vehicle-mounted device 3 related to the situation around the vehicle estimated by the status determination unit 13 among the plurality of vehicle-mounted devices 3 via the communication network 5. . Here, the state of the in-vehicle device 3 related to the situation around the vehicle estimated by the situation determination unit 13 corresponds to the situation around the vehicle, and is either a recommended state or a non-recommended state.

  The information generation unit 17 recommends a recommended action recommended to the driver based on the information on the state of the in-vehicle device 3 related to the situation around the vehicle estimated by the situation determination unit 13 acquired by the information acquisition unit 15. Broadcast information is generated. Specifically, the information generation unit 17 generates notification information of a recommended operation when the state of the in-vehicle device 3 related to the situation around the vehicle estimated by the situation determination unit 13 is a non-recommended state. is there.

  The information presentation unit 19 presents the notification information of the recommended action generated by the information generation unit 17 to the driver. When the information presentation unit 19 presents the notification information to the driver, the notification means is not particularly limited. For example, when the vehicle includes a speaker, the information presentation unit 19 may notify the notification information by voice. Moreover, the information presentation part 19 may alert | report notification information by an image, when a vehicle is provided with the display. At this time, the image may include character information, and the image may be a highlight of the relevant part of the vehicle.

  Next, contents included in a signal transferred in the communication network 5 will be described with reference to FIG. FIG. 2 is a diagram illustrating a state example of the in-vehicle device 3 according to the first embodiment. As shown in FIG. 2, the state of the in-vehicle device 3 is assumed to be an engine state, a speed, a shift state, a door open / close state, a seat belt state, a window open / close state, a wiper state, a surrounding monitoring system state, and the like. Such information on the state of the in-vehicle device 3 can be acquired via the communication network 5.

  The engine state includes, for example, information related to a vehicle stop state, a start state, and a normal running state of the engine. The speed includes information on the speed of the vehicle. The shift state includes information on the position of the shift lever. If the vehicle is an AT vehicle, information indicating which range is the P range, R range, N range, D range, etc. These are the holding time, the shift change transition order to each range, and the like.

  The door open / close state includes information regarding whether or not the door is open. The seat belt state includes information regarding whether or not the seat belt is worn. The window open / close state includes information regarding whether or not the window is open. The wiper state includes information relating to the duration of operation of the wiper and the operation frequency of the wiper. The peripheral monitoring system state includes information regarding whether or not the peripheral monitoring system is activated. Here, the periphery monitoring system reduces the blind spot of the driver by, for example, providing the driver with information captured by a vehicle camera (not shown).

  Next, the case where the situation around the vehicle is rainy will be described with reference to FIG. FIG. 3 is a diagram illustrating an example of a signal change pattern according to the first embodiment. As a premise of the operation of the example of FIG. 3, a signal change pattern indicating a wiper state, that is, a wiper operation pattern is associated with rainy weather as a situation around the vehicle in the storage unit 11. In the storage unit 11, the wiper state and the window state are associated with rainy weather as a situation around the vehicle.

  As shown in FIG. 3, the situation determination unit 13 receives information on the wiper state. The situation determination unit 13 determines whether the change in the signal based on the input wiper state information matches the wiper operation pattern in the rain in the storage unit 11.

  Specifically, the situation determination unit 13 determines whether or not the ON time of the wiper is 3 seconds or more. Further, the situation determination unit 13 determines whether or not the number of times the wiper is turned on is 5 or more per minute. As a result of these determinations, the situation determination unit 13 estimates the situation around the vehicle as rainy weather when it matches the wiper operation pattern during rainy weather stored in the storage unit 11.

  The reason why it is determined whether or not the wiper ON time is 3 seconds or more is to distinguish it from when the washer is used. Further, the reason why it is determined whether or not the number of times the wiper is turned ON is 5 times or more per minute is to distinguish it from such an operation because some people frequently perform manual operation.

  The information acquisition part 15 acquires the signal which shows the state of a window via the communication network 5 as the state of the vehicle equipment 3 relevant to the condition of the periphery of a vehicle, ie, the condition of rainy weather. In this case, the information acquisition unit 15 acquires the window open / closed state.

  The information generation unit 17 generates recommended operation notification information recommended for the window based on the window open / closed state. Specifically, the information generation unit 17 generates a message that prompts the user to close the window if the situation around the vehicle is rainy and the window open / close state is open. The information presentation unit 19 presents a message generated by the information generation unit 17 that prompts the user to close the window. On the other hand, if the situation around the vehicle is rainy and the window open / closed state is closed, the information generating unit 17 may generate a message indicating that the window closed state should be continued.

  When the situation around the vehicle is raining, the recommended state of the window is a state where the window is closed, and the non-recommended state of the window is a state where the window is open.

  Next, operation | movement of an alerting | reporting apparatus is demonstrated using FIG. FIG. 4 is a flowchart illustrating a control example of the notification device according to the first embodiment.

  In the situation determination unit 13, a situation around the vehicle is estimated based on a change in the signal of at least one in-vehicle device 3 among the plurality of in-vehicle devices 3 and a change pattern of the signal stored in the storage unit 11. (Step S11). Next, the information acquisition unit 15 acquires information on the state of the in-vehicle device 3 related to the situation around the vehicle (step S12). Next, in the information generation part 17, it is determined whether the acquired information shows a non-recommended state (step S13). When the acquired information indicates a non-recommended state (step S13 YES), the information generation unit 17 generates recommended operation notification information recommended for the in-vehicle device 3 (step S14), and the information presentation unit 19 generates recommended operation notification information. Is presented to the driver (step S15). On the other hand, when the acquired information does not indicate a non-recommended state, that is, when the acquired information is in the recommended state (step S13 NO), the notification information of the recommended operation is presented to the driver. In addition, when the acquired information does not show a non-recommended state, that is, when the acquired information is in a recommended state, nothing needs to be notified to the driver. In this case, what is necessary is just to complete | finish a process, without progressing to step S15 after step S13NO.

  From the above description, according to the notification device according to the first embodiment, when the situation around the vehicle is rainy, the recommended operation of the on-vehicle device 3 related to the rainy weather among the plurality of on-vehicle devices 3 can be presented. it can. Thereby, since the notification device can reduce the driver's inadvertent mistake, it is possible to prevent the user from forgetting to use the function of the in-vehicle device 3 related to rainy weather. In addition, since the notification device does not require a detection result of a sensor that determines rainy weather such as a raindrop sensor, it can estimate rainy weather at low cost.

Embodiment 2. FIG.
In the second embodiment, the functions of the storage unit 11, the situation determination unit 13, the information acquisition unit 15, the information generation unit 17, the information presentation unit 19, and the communication network 5 are the same as those in the first embodiment. Omitted. The second embodiment differs from the first embodiment in that the situation around the vehicle is parking. Therefore, the case where the situation around the vehicle is parking will be described with reference to FIG.

  FIG. 5 is a diagram illustrating an example of a signal change pattern according to the second embodiment. As a premise of the operation in the example of FIG. 5, in the storage unit 11, a signal change pattern indicating the state of the shift lever, that is, a shift change pattern is associated with parking as a situation around the vehicle. In the storage unit 11, the state of the shift lever and the surrounding monitoring system state are associated with parking as a situation around the vehicle.

  As shown in FIG. 3, the state determination unit 13 receives information on the state of the shift lever, that is, the shift state. The situation determination unit 13 determines whether the change in the signal based on the input shift state information matches the shift change pattern during parking in the storage unit 11.

  Specifically, the situation determination unit 13 determines whether or not the shift lever is in the R range for 3 seconds or more. Furthermore, the situation determination unit 13 determines whether or not the shift lever change pattern has changed in the order of the D range, the N range, and the R range. As a result of these determinations, the situation determination unit 13 determines that the situation around the vehicle is parking when it matches the shift change pattern during parking in the storage unit 11.

  Whether or not the shift lever is held in the R range for 3 seconds or more is determined by whether or not the input of the R range between the P range and the D range is canceled. This is to distinguish. In addition, it is rare to determine whether the change pattern of the shift lever has changed in the order of the D range, the N range, and the R range, since the operation from the P range to the R range is rare during parking. This is for the purpose of distinguishing it from other operations.

  The information acquisition unit 15 acquires information on the situation around the vehicle, that is, information on the state of the in-vehicle device 3 related to parking, specifically, a signal indicating the periphery monitoring system state via the communication network 5. In this case, the information acquisition unit 15 acquires the periphery monitoring system state.

  The information generation unit 17 generates recommended operation notification information recommended for the periphery monitoring system based on the periphery monitoring system state. Specifically, the information generation unit 17 generates a message that prompts the system to be activated if the situation around the vehicle is parking and the surrounding monitoring system state is OFF. The information presenting unit 19 presents a message that prompts the system activation generated by the information generating unit 17 to the driver. On the other hand, the information generation unit 17 may generate a message that the system activation should be maintained if the situation around the vehicle is parking and the surrounding monitoring system state is ON.

  From the above description, according to the notification device according to the second embodiment, when the situation around the vehicle is parking, among the plurality of in-vehicle devices 3, the recommended operation of the in-vehicle device 3 related to parking can be presented. it can. Thereby, since the alerting | reporting apparatus can perform a driver | operator's operation assistance, it can prevent forgetting to use the function of the vehicle equipment 3 relevant at the time of parking.

  Thus, according to the notification device according to the first and second embodiments, the plurality of in-vehicle devices 3 are grouped based on the situation around the vehicle. That is, the notification device selects the in-vehicle device 3 that should perform an operation corresponding to the situation around the vehicle, and performs notification in consideration of the entire operation of the selected in-vehicle device 3.

  In other words, the notification device associates each state of the plurality of in-vehicle devices 3 for each situation around the vehicle, so that based on the situation around the vehicle and the state of the in-vehicle device 3, Since the current state where the driver is placed can be estimated and information suitable for the estimation result can be presented to the driver, recommended operation information suitable for the situation around the vehicle is presented to the driver of the vehicle. be able to.

  In this way, the notification device can give necessary information to the driver according to the situation. Thereby, the alerting | reporting apparatus can make a driver | operator avoid the situation assumed that it arises when a driver | operator does not know required information. Therefore, the notification device can present information so that the driver does not suffer a disadvantage.

  The state of the in-vehicle device 3 related to the situation around the vehicle estimated by the situation determination unit 13 corresponds to the recommended state recommended for the in-vehicle device 3 and the in-vehicle device 3 as corresponding to the situation around the vehicle. One of the deprecated states that is not recommended. Therefore, since the notification device can estimate whether the state of the in-vehicle device 3 is the recommended state or the non-recommended state for the situation around the vehicle, it generates the notification information according to the situation around the vehicle. Can do.

  According to this configuration, the notification device can generate appropriate notification information according to the situation, and thus can present information suitable for the situation to the driver.

  Further, the notification device determines whether or not the signal change of at least one in-vehicle device 3 among the plurality of in-vehicle devices 3 matches the signal change pattern. Here, the change pattern of the signal indicating the state of the in-vehicle device 3 is associated with each situation around the vehicle. Therefore, the notification device can associate the signal change indicating the state of the in-vehicle device 3, the change pattern of the signal indicating the state of the in-vehicle device 3, and the situation around the vehicle. As a result, the in-vehicle device 3 related to the situation around the vehicle can be searched.

  In this way, since the notification device can determine the state of the in-vehicle device 3 based on the change pattern of the signal indicating the state of the in-vehicle device 3, a dedicated sensor corresponding to each of the plurality of in-vehicle devices 3 is provided. There is no need. That is, the notification device can determine the state of the in-vehicle device 3 without providing a dedicated sensor. Therefore, the notification device can be realized at low cost.

  From the above description, according to the notification device according to the first and second embodiments, the notification device is provided in the vehicle and notifies the driver who drives the vehicle, and is connected to each of the plurality of in-vehicle devices 3. Among the plurality of in-vehicle devices 3, the communication network 5, a storage unit 11 in which signal change patterns based on the respective states of the plurality of in-vehicle devices 3 are associated and stored for each situation around the vehicle that is assumed in advance. Based on the signal change of at least one in-vehicle device 3 and the change pattern of the signal stored in the storage unit 11, the situation determination unit 13 that estimates the situation around the vehicle, and the communication network 5, Among the plurality of in-vehicle devices 3, an information acquisition unit 15 that acquires information on the state of the in-vehicle device 3 related to the situation around the vehicle estimated by the situation determination unit 13, and a related information acquired by the information acquisition unit 15 Based on the information on the state of the in-vehicle device 3, the information generation unit 17 that generates recommended operation notification information recommended to the driver, and the recommended operation notification information generated by the information generation unit 17 are presented to the driver. And an information presentation unit 19.

  Therefore, the notification device generates recommended operation information based on the situation around the vehicle and the state of the in-vehicle device 3, and therefore recommends the recommended action information suitable for the situation around the vehicle to the driver of the vehicle. Can be presented.

  In the notification device according to the first and second embodiments, the state of the related in-vehicle device 3 corresponds to the situation around the vehicle, and is either a recommended state or a non-recommended state, and an information generation unit When the state of the related in-vehicle device 3 is a non-recommended state, 17 generates notification information of a recommended operation.

  Therefore, the notification device can determine whether the state of the in-vehicle device 3 corresponding to the situation around the vehicle is a recommended state or a non-recommended state, and thus generates notification information suitable for the situation around the vehicle. be able to.

  Moreover, in the notification device according to the first and second embodiments, the situation determination unit 13 is configured in advance when the signal change of at least one in-vehicle device 3 among the plurality of in-vehicle devices 3 matches the signal change pattern. Among the assumed circumstances around the vehicle, the situation around the vehicle corresponding to the matched signal change pattern is selected as the estimated situation around the vehicle.

  Therefore, the notification device can associate the signal change of the in-vehicle device 3, the change pattern of the signal of the in-vehicle device 3, and the situation around the vehicle, so that the current state of the driver in the vehicle can be determined. Can be estimated.

  As mentioned above, although this invention was demonstrated based on Embodiment 1, 2, this invention is not limited to the said Embodiment 1, 2, You may add in the range which does not deviate from the meaning of this invention.

  For example, in the first and second embodiments, the case where the situation around the vehicle is either rainy or parking has been described. However, the situation is not limited to this, and the situation around the vehicle may be when the vehicle is started. In this case, for example, if the state of a certain in-vehicle device 3 relates to the engine state and the state of another in-vehicle device 3 relates to the seat belt state, the notification device The situation can be determined as starting the vehicle, and the state of the seat belt can be determined as a state related to the starting of the vehicle. At this time, if the seat belt state is a non-wearing state, the notification device may notify that the seat belt is to be mounted as a recommended operation.

  Moreover, although Embodiment 1 and 2 demonstrated the case where the condition of the periphery of a vehicle was either rainy weather or parking, it is not restricted to this, The condition of the periphery of a vehicle may be at the time of a vehicle stop. In this case, for example, if the state of a certain in-vehicle device 3 relates to the engine state and the state of another in-vehicle device 3 relates to the door opening / closing state, the notification device The situation can be determined as when the vehicle is stopped, and the door open / closed state can be determined as a state related to when the vehicle is stopped. At this time, if the door opening / closing state is the open state, the notification device may notify that the door is closed as a recommended operation.

  In the second embodiment, the operation based on the AT vehicle has been described. However, the present invention is not limited to this and may be an MT vehicle. In this case, the shift change pattern of the MT vehicle may be stored in the storage unit 11, and the determination based on the shift lever operation matched to the MT vehicle may be performed.

  In the first and second embodiments, an example of determining the state of one in-vehicle device 3 using only one state has been described. However, the present invention is not limited to this, and the state of one in-vehicle device 3 is based on a plurality of states. May be determined.

1: Electronic device 3: In-vehicle device 5: Communication network 11: Storage unit 13: Situation determination unit 15: Information acquisition unit 17: Information generation unit 19: Information presentation unit

Claims (3)

A notification device provided in a vehicle for notifying a driver who drives the vehicle,
A communication network connected to each of a plurality of in-vehicle devices;
A storage unit in which a change pattern of a signal based on each state of the plurality of in-vehicle devices is associated and stored for each situation around the vehicle assumed in advance,
A situation determination unit that estimates a situation around the vehicle based on a signal change of at least one of the plurality of in-vehicle devices and a change pattern of the signal stored in the storage unit;
An information acquisition unit that acquires information on the state of the in-vehicle device related to the situation around the vehicle estimated by the situation determination unit among the plurality of in-vehicle devices via the communication network;
Based on the information on the state of the related in-vehicle device acquired by the information acquisition unit, an information generation unit that generates notification information of recommended operation recommended to the driver;
An information presenting unit for presenting the notification information of the recommended action generated by the information generating unit to the driver;
A notification device comprising: The state of the related in-vehicle device is one of a recommended state and a non-recommended state as corresponding to the situation around the vehicle,
The notification device according to claim 1, wherein the information generation unit generates notification information of the recommended operation when the state of the related in-vehicle device is the non-recommended state.   When the signal change of at least one vehicle-mounted device among the plurality of vehicle-mounted devices matches the change pattern of the signal, the situation determination unit matches the situation surrounding the vehicle assumed in advance. The notification apparatus according to claim 1, wherein a situation around the vehicle corresponding to the change pattern of the signal is selected as an estimated situation around the vehicle.

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