JP2018052358A - Child seat vibration device and child seat vibration method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a child seat vibration device that can induce an infant to sleep, and to provide a child seat vibration method.SOLUTION: A child seat vibration device includes a storage part and a vibration control part. The storage part stores vibration information that is information on vibration acting on a child seat during travelling of a vehicle. The vibration control part adds vibration to the child seat based on the vibration information stored in the storage part.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a child seat vibration device and a child seat vibration method.

  Conventionally, it is known that, for example, sleep of an infant seated on a child seat is induced by vibration generated while the vehicle is running. Thus, using this point, a child seat vibration device that induces sleep of an infant by applying a constant vibration to the child seat while the vehicle is stopped has been proposed (for example, see Patent Document 1).

JP-A-2015-198494

  However, as in the prior art, it is not always possible to induce sleep of an infant by simply applying a certain vibration to the child seat.

  This invention is made | formed in view of the above, Comprising: It aims at providing the child seat vibration apparatus and child seat vibration method which can induce sleep of an infant.

  In order to solve the above-described problems and achieve the object, a child seat vibration device according to the present invention includes a storage unit and a vibration control unit. A memory | storage part memorize | stores the vibration information which is the information of the vibration added to a child seat during driving | running | working of a vehicle. The vibration control unit applies vibration to the child seat based on the vibration information stored in the storage unit.

  According to the present invention, sleep of an infant can be induced.

Drawing 1 is a figure showing an outline of a child seat vibration method concerning an embodiment. FIG. 2 is a block diagram illustrating a configuration of the child seat vibration device according to the embodiment. FIG. 3A is a diagram illustrating a learning process performed by the learning unit. FIG. 3B is an explanatory diagram of vibration information. FIG. 4 is a diagram illustrating processing contents of the vibration control unit when the vehicle stops. FIG. 5A is a diagram illustrating the processing content of the vibration control unit when the vibration is canceled. FIG. 5B is a diagram illustrating the processing content of the vibration control unit when the vibration is canceled. FIG. 5C is a diagram illustrating the processing content of the vibration control unit when the vibration is canceled. FIG. 6 is a diagram illustrating processing contents of the vibration control unit when waking up an infant. FIG. 7 is a flowchart illustrating a processing procedure of vibration information generation processing executed by the child seat vibration device according to the embodiment. FIG. 8 is a flowchart illustrating a processing procedure of vibration processing executed by the child seat vibration device according to the embodiment.

  Hereinafter, embodiments of a child seat vibration device and a child seat vibration method disclosed in the present application will be described in detail with reference to the accompanying drawings. In addition, this invention is not limited by this embodiment.

  First, the child seat vibration method according to the embodiment will be described with reference to FIG. Drawing 1 is a figure showing an outline of a child seat vibration method concerning an embodiment. FIG. 1 shows a scene in which an infant 100 is seated on a child seat S provided on the rear seat of the vehicle C, for example.

  In addition, FIG. 1 illustrates a case where the child seat vibration device 1 that executes the child seat vibration method according to the embodiment is mounted on the child seat S. For example, the child seat vibration device 1 may be mounted on a navigation device (not shown). .

  As shown in FIG. 1, the child seat vibration method according to the embodiment stores vibration information that is information on vibration applied to the child seat S while the vehicle C is traveling, and applies vibration to the child seat S based on the vibration information. It is.

  The vibration information includes a vibration pattern generated by learning, and the vibration pattern is represented by a waveform having a constant amplitude and frequency, for example, as shown in FIG. In addition, as vibration patterns, there are vibration patterns in each of the three axial directions that are the front-rear direction, the left-right direction, and the vertical direction of the vehicle C, but in FIG. A vibration pattern is shown as an example. Further, specific processing contents of learning will be described later.

  Here, a general child seat vibration method (hereinafter referred to as a general method) will be described. In a general method, attention is paid to the fact that an infant seated on a child seat is likely to be asleep due to vibration during traveling of the vehicle, and to be awakened when the vehicle is stopped.

  Specifically, in a general method, for example, when a vehicle stops, a certain vibration such as 1 / f fluctuation that a person feels comfortable is applied to the child seat to induce sleep of the infant.

  However, since the constant vibration applied to the child seat is not the same vibration as that generated during traveling, the infant may feel uncomfortable with the constant vibration, and may not be able to induce sleep of the infant. It was.

  Therefore, in the child seat vibration method according to the embodiment, for example, when the vehicle C stops, vibration generated during traveling is applied to the child seat S. Specifically, vibration information that is information of vibration applied to the child seat S during the traveling of the vehicle C is stored (step S1). Subsequently, vibration is applied to the child seat S based on the stored vibration information (step S2).

  That is, in the child seat vibration method, vibration generated during traveling is artificially generated and applied to the child seat S, so that the infant 100 does not feel a sense of incongruity with the vibration. Therefore, sleep of the infant 100 can be induced. .

  Next, the configuration of the child seat vibration device 1 according to the embodiment will be described in detail with reference to FIG. FIG. 2 is a block diagram illustrating a configuration of the child seat vibration device 1 according to the embodiment.

  As shown in FIG. 2, the child seat vibration device 1 is connected to, for example, a camera 10, a navigation device 11, and a seat sensor 12. First, configurations other than the child seat vibration device 1 will be described.

  The camera 10 includes an image sensor such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor), for example, and images the vicinity of the vehicle C and the vehicle interior using the image sensor. The camera 10 outputs the captured image to the child seat vibration device 1.

  The navigation device 11 is a device that specifies the current position of the vehicle C using radio waves from, for example, a GPS (Global Positioning System) satellite and performs route guidance to the destination using the current position and electronic map data. It is.

  The navigation device 11 outputs the current position of the vehicle C, the traveling speed of the vehicle C, and road type information corresponding to the current position to the child seat vibration device 1. The road type is the type of road on which the vehicle C is traveling, and includes, for example, highways such as intercity highways, urban highways, and toll roads, and general roads such as national roads, prefectural roads and private roads.

  In addition, the navigation device 11 includes a three-axis gyro sensor, and detects vibrations in the three-axis direction generated while the vehicle C is traveling, the inclination of the vehicle C, and the like. The navigation device 11 outputs the acquired various information to the child seat vibration device 1.

  The seat sensor 12 is a weight sensor provided in the seat, for example, and detects the weight of the infant 100 on the child seat S. The seat sensor 12 outputs information indicating the detected weight of the infant 100 to the child seat vibration device 1.

  Next, the configuration of the child seat vibration device 1 will be described. The child seat vibration device 1 includes a control unit 2 and a storage unit 3. The control unit 2 includes a state detection unit 21, a learning unit 22, a weight detection unit 23, and a vibration control unit 24. The storage unit 3 stores vibration information 31.

  Here, the child seat vibration device 1 includes, for example, a computer having a central processing unit (CPU), a read only memory (ROM), a random access memory (RAM), a hard disk drive (HDD), an input / output port, and various circuits. including.

  The CPU of the computer functions as the state detection unit 21, the learning unit 22, the weight detection unit 23, and the vibration control unit 24 of the control unit 2 by reading and executing a program stored in the ROM, for example.

  In addition, at least one of or all of the state detection unit 21, the learning unit 22, the weight detection unit 23, and the vibration control unit 24 of the control unit 2 may be an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array), or the like. It can also be configured with hardware.

  The storage unit 3 corresponds to, for example, a RAM or an HDD. The RAM and HDD can store the vibration information 31. Note that the child seat vibration device 1 may acquire the above-described program and various types of information via another computer or a portable recording medium connected via a wired or wireless network.

  The state detection unit 21 detects the state of the infant 100 sitting on the child seat S. For example, the state detection unit 21 detects whether the infant 100 is in a sleep state based on the movement of the face of the infant 100 included in the image of the camera 10 and the open / close state of the heel.

  In addition to the camera 10, the state detection part 21 is good also as detecting a sleep state based on the body temperature, blood pressure, heart rate, etc. of the infant 100 measured, for example with the biosensor. In addition, the state of the infant 100 detected by the state detection unit 21 is not limited to the sleeping state, and for example, a state where the infant 100 is laughing or crying may be detected as the state of the infant 100.

  The state detection unit 21 can detect a state in which the infant 100 is laughing or crying based on, for example, information on the speech of the infant 100 collected by a microphone (not shown). The state detection unit 21 outputs the detected state of the infant 100 to the learning unit 22.

  The learning unit 22 learns vibration applied to the child seat S while the vehicle C is traveling, and stores the learning result in the storage unit 3 as vibration information 31. Here, the processing content of the learning unit 22 and the vibration information 31 will be specifically described with reference to FIGS. 3A and 3B.

  First, the learning process performed by the learning unit 22 will be described with reference to FIG. 3A. FIG. 3A is a diagram illustrating a learning process performed by the learning unit 22. FIG. 3A illustrates a learning process in a scene where the vehicle C travels at a predetermined speed on a predetermined section of an expressway, for example. In addition, although a predetermined area can be represented by distance, for example, it is not limited to this, For example, you may represent by time.

  The learning unit 22 learns vibrations applied to the child seat S for each speed of the vehicle C and each road type on which the vehicle C travels, for example. Specifically, first, the learning unit 22 starts the learning process when detecting that the infant 100 is seated on the child seat S from, for example, a weight detection unit 23 described later. Note that the learning unit 22 may start the learning process even when the infant 100 is not seated on the child seat S.

  Subsequently, as shown in FIG. 3A, the learning unit 22 predetermines a detection value that is an instantaneous value of, for example, a three-axis gyro sensor (navigation device 11) in a section where the vehicle C travels at a speed of 75 to 84 km / h, for example. Sample a few.

  Subsequently, the learning unit 22 performs, for example, machine learning using the sampled detection values, thereby generating a vibration pattern of a speed of 80 km / h and a road type of an expressway shown in FIG. 3A.

  Specifically, the learning unit 22 generates a vibration pattern by determining a representative amplitude and frequency from the tendency of a distribution pattern of three-point coordinate values that are detection values of a three-axis gyro sensor sampled by a predetermined number.

  Note that the learning unit 22 is not limited to generating a vibration pattern from a three-point coordinate value distribution pattern, and may generate, for example, a vibration having the highest frequency or a frequency of a predetermined hertz or more as a vibration pattern.

  The learning unit 22 may generate a vibration pattern by arranging the detection values themselves in a time series, for example, or may generate a vibration pattern by arranging an average value of a plurality of detection values in a time series.

  The learning unit 22 is not limited to the case where the detection value is directly used as a distribution pattern. For example, the learning unit 22 performs Fourier transform on vibrations acquired during a predetermined period, and analyzes the vibration frequency and vibration intensity (amplitude). Alternatively, a vibration pattern for each speed or each road type may be generated.

  Note that the learning unit 22 generates vibration patterns in each of the three axial directions that are the front-rear direction, the left-right direction, and the vertical direction of the vehicle C, but in FIG. The vibration pattern to arbitrary 1 axial directions is shown.

  As shown in FIG. 3A, the vibration pattern can be represented by a waveform (for example, a sine wave) having a constant amplitude and frequency, for example. Note that the vibration pattern is not limited to a regular waveform with constant amplitude and frequency, and may be an irregular waveform with constant amplitude and frequency.

  The learning unit 22 samples a predetermined number of detection values from one section traveling at 75 to 84 km / h. For example, as illustrated in FIG. 3A, the learning unit 22 detects the detection values from two sections traveling at 85 to 94 km / h. One vibration pattern (90 km / h) may be generated by sampling a predetermined number in total.

  Moreover, although the learning part 22 produced | generated the vibration pattern by learning the vibration added to the child seat S for every speed of the vehicle C and every road classification on which the vehicle C travels, the vehicle C travels for every speed of the vehicle C. Any one vibration pattern for each road type may be generated.

  Thereby, the vibration control part 24 mentioned later can induce sleep of the infant 100, for example by applying the vibration for every speed classification of the vehicle C and the road classification for which the vehicle C drive | works to the child seat S.

  Note that the learning unit 22 generates the vibration pattern at intervals of 10 km / h, such as 80 km / h and 90 km / h.

  Moreover, although the learning part 22 decided to produce | generate the vibration pattern for every speed of the vehicle C and every road classification, for example for every congestion condition around the vehicle C, or every pavement state of the road where the vehicle C drive | works A vibration pattern may be generated.

  For example, when generating a vibration pattern for each congestion situation around the vehicle C, the learning unit 22 detects the number of other vehicles traveling around the vehicle C based on, for example, a camera image obtained by imaging the surroundings of the vehicle C. By doing so, a vibration pattern is generated for each number of other vehicles.

  For example, when the learning unit 22 generates a vibration pattern for each pavement state of the road on which the vehicle C travels, for example, based on a camera image obtained by imaging the road surface in front of the vehicle C, the material of the road surface such as asphalt or gravel, , To detect road surface irregularities. And the learning part 22 produces | generates a vibration pattern for every material of a road surface, and the unevenness | corrugation of a road surface.

  The learning unit 22 may generate a vibration pattern for each inclination of the vehicle C or each inclination of the child seat S from the three-axis gyro sensor of the navigation device 11. In addition, the inclination of the child seat S may receive an input from a user, for example, and may acquire information from a control device that controls the child seat S.

  The learning unit 22 may generate a vibration pattern for each weight of the infant 100 acquired from the weight detection unit 23, for each infant 100, and for each driver. Thereby, the vibration control part 24 can apply the vibration corresponding individually to the child seat S.

  Next, the vibration information 31 generated by the learning unit 22 will be described with reference to FIG. 3B. FIG. 3B is an explanatory diagram of the vibration information 31. As illustrated in FIG. 3B, the vibration information 31 includes items such as “vehicle speed”, “road type”, “vibration pattern”, “sleep flag”, and “wake flag”.

  “Vehicle speed” indicates the speed of the vehicle C. “Road type” indicates the type of road on which the vehicle C travels. “Vibration pattern” indicates a vibration pattern in “vehicle speed” and “road type”. The “sleep flag” indicates whether or not the infant 100 is in a sleep state due to the “vibration pattern”. The “awake flag” indicates whether or not the infant 100 has been awakened (waked up) by the “vibration pattern”.

  As illustrated in FIG. 3B, the learning unit 22 stores the vibration pattern as a learning result in association with the speed of the vehicle C and the road type on which the vehicle C travels as vibration information 31.

  Further, the learning unit 22 learns vibration applied to the child seat S while the vehicle C is traveling based on the state of the infant 100 detected by the state detection unit 21. For example, the learning unit 22 learns the vibration applied to the child seat S while the vehicle C is traveling when the state detection unit 21 detects that the infant 100 is in a sleeping state.

  Specifically, for example, when the infant 100 enters a sleep state when traveling on a highway at 75 to 84 km / h, the learning unit 22 sets the “sleep flag” with “H80” as the “vibration pattern”. Set to “1”.

  That is, the learning unit 22 learns at which vibration pattern the infant 100 is likely to sleep. Thereby, the vibration control part 24 can induce the sleep of the infant 100 easily by applying a vibration to the child seat S based on the sleep flag.

  Note that the learning unit 22 may set the sleep flag in consideration of the time required for the infant 100 to sleep, for example. Specifically, the learning unit 22 sets a sleep flag when the infant 100 sleeps within a predetermined time from the start point in a section of 75 to 84 km / h (see FIG. 3A), for example, The sleep flag is not set when the infant 100 has fallen asleep after that time.

  That is, the learning unit 22 learns a vibration pattern in which the infant 100 sleeps in a short time, and thus can induce the sleep of the infant 100 early when the vibration control unit 24 applies vibration to the child seat S.

  Moreover, although the learning part 22 set the sleep flag with respect to one vibration pattern (for example, "H80"), you may set a sleep flag to a some vibration pattern. For example, when the learning unit 22 sets the sleep flag to a plurality of vibration patterns, the learning unit 22 sets a priority order for vibrating the child seat S with respect to the plurality of vibration patterns for which the sleep flag is set.

  For example, for each vibration pattern, the learning unit 22 counts the number of times that the infant 100 has been in a sleep state in the past, and increases the priority for the vibration pattern having a larger number of counts. Thereby, the sleep of the infant 100 can be induced more easily because the vibration control unit 24 vibrates the child seat S with the vibration pattern having the highest priority.

  The learning unit 22 learns vibrations applied to the child seat S while the vehicle C is traveling when the state detection unit 21 detects that the infant 100 is in the awake state. Specifically, as illustrated in FIG. 3B, the learning unit 22 determines that the “vibration pattern” is generated when the sleeping infant 100 changes to an awake state when traveling on a general road at 25 to 34 km / h, for example. The “wake flag” of “N30” is set to “1”.

  That is, the learning unit 22 learns at which vibration pattern the infant 100 is likely to wake up. Thereby, the vibration control unit 24 applies vibration to the child seat S based on the awakening flag, so that the sleeping infant 100 can be easily awakened when approaching the destination, for example.

  Note that the learning unit 22 has learned the vibration pattern when the infant 100 is in the sleep state or the awake state, but learns the vibration pattern when, for example, the infant 100 is laughing or crying. It is good as well.

  That is, the learning unit 22 regards the state of laughing as being comfortable, and regards the state of crying as uncomfortable. Thus, the learning unit 22 can improve the riding comfort of the infant 100 by applying vibration to the child seat S according to the state of the infant.

  Moreover, the learning part 22 can apply the vibration according to various situations to the child seat S by learning the vibration while the vehicle C is traveling.

  Returning to FIG. 2, the weight detector 23 will be described. The weight detector 23 detects that the infant 100 is seated on the child seat S based on information from the seat sensor 12. The weight detection unit 23 also outputs information indicating whether the infant 100 is seated and the weight of the infant 100 to the learning unit 22 and the vibration control unit 24.

  The vibration control unit 24 includes an acquisition unit 24 a, a correction unit 24 b, and a drive unit 24 c, and applies vibration to the child seat S based on the vibration information 31 stored in the storage unit 3.

  The acquisition unit 24a acquires information on vibration applied to the child seat S while the vehicle C is traveling. The acquisition unit 24a acquires, for example, the detection value of the three-axis gyro sensor of the navigation device 11 as vibration information.

  Based on the vibration information acquired by the acquisition unit 24a, the correction unit 24b generates correction information including correction vibration information that corrects vibration applied to the child seat S while the vehicle C is traveling. The processing content of the correction unit 24b will be described later with reference to FIGS.

  The drive unit 24c includes, for example, an actuator, and applies vibration to the child seat S based on the correction information generated by the correction unit 24b. Here, the processing contents of the acquisition unit 24a, the correction unit 24b, and the drive unit 24c of the vibration control unit 24 will be specifically described with reference to FIGS.

  First, the processing content of the vibration control unit 24 when the vehicle C stops will be described with reference to FIG. FIG. 4 is a diagram illustrating processing contents of the vibration control unit 24 when the vehicle C stops. In the graph shown in FIG. 4, the vertical axis represents amplitude and the horizontal axis represents time.

  In the graph shown in FIG. 4, the waveform indicated by the solid line indicates the vibration information acquired by the acquisition unit 24a, and the broken line waveform indicates the vibration of the child seat S after the vibration is applied by the drive unit 24c. . As shown in FIG. 4, the vibration waveform indicated by the solid line indicates that the vehicle C is gradually decelerating in order to stop by a signal or the like because the amplitude has converged to zero. .

  Here, the infant 100 seated on the child seat S stops waking when the vehicle C stops, and thus may wake up from sleep or damage mood. That is, the ride comfort of the infant 100 may be reduced.

  Accordingly, the vibration control unit 24 applies vibration to the child seat S based on the vibration information 31 stored in the storage unit 3 when the vehicle C stops. Specifically, the vibration of the vibration pattern corresponding to the vibration information 31 stored in the storage unit 3 is applied to the child seat S by the correction unit 24b of the vibration control unit 24 based on the vibration information acquired by the acquisition unit 24a. The correction vibration information for correcting the vibration applied to the child seat S while the vehicle C is traveling is generated so as to be added.

  For example, as illustrated in FIG. 4, first, the correction unit 24 b acquires the current speed and road type vibration information (solid line waveform) of the vehicle C acquired from the acquisition unit 24 a and the vibration stored in the storage unit 3. Differences in amplitude and frequency from the vibration pattern (broken line waveform) of the information 31 are calculated.

  Subsequently, the correction unit 24b generates correction vibration information for correcting the vibration information acquired from the acquisition unit 24a based on the calculated difference so that the vibration pattern has a broken-line waveform. That is, the corrected vibration information includes a vibration pattern and is represented by values such as amplitude and frequency.

  Then, the drive unit 24c applies vibration to the child seat S based on the corrected vibration information. As a result, even when the vehicle C stops, it is possible to apply vibrations such as running at a constant speed, so that sleep of the infant 100 can be induced. In FIG. 4, the vibration is corrected when the vehicle C stops. However, the vibration while the vehicle C is traveling may be corrected.

  In addition, although the correction | amendment part 24b produced | generated the information of the vibration which correct | amends only the difference of the vibration which the acquisition part 24a acquired as correction information, it is not limited to this, For example, after canceling all the vibrations which the acquisition part 24a acquired You may perform correction | amendment which adds a fixed vibration newly. This point will be specifically described with reference to FIGS. 5A to 5C.

  FIG. 5A to FIG. 5C are diagrams illustrating processing contents of the vibration control unit 24 when canceling vibration. FIG. 5A shows a vibration waveform included in the vibration information acquired by the acquisition unit 24a.

  As illustrated in FIG. 5B, the correction unit 24b generates correction information including vibration information that cancels the vibration (FIG. 5A) as correction vibration information based on the vibration information acquired by the acquisition unit 24a.

  Then, as shown in FIG. 5C, the correction unit 24b generates, as correction information, information obtained by adding vibration information 31 stored in the storage unit 3 to vibration information that cancels vibration applied to the child seat S while the vehicle C is traveling. To do.

  For example, the correction unit 24b generates a vibration pattern having a waveform having the same amplitude and frequency values as the vibration based on the vibration acquired from the acquisition unit 24a. Such a vibration pattern may be generated by the correction unit 24b itself or may be acquired from the vibration information 31 stored in the storage unit 3.

  Subsequently, the correction unit 24b rotates the phase of the vibration pattern so that the phase of the generated vibration pattern is opposite to the phase of the vibration acquired by the acquisition unit 24a. Thereby, the correction unit 24b generates correction information that is information of the vibration pattern having the opposite phase. It is assumed that the vibration phase alignment by the correction unit 24b has been completed in the past.

  Subsequently, the correction unit 24b acquires, for example, vibration pattern information in which a sleep flag is set from the vibration information 31 stored in the storage unit 3, and adds the information to the generated correction information. In this way, by correcting the vibration so that the vibration pattern of the vibration information 31 is obtained, it is possible to always apply a constant vibration to the child seat S regardless of the traveling environment of the vehicle C. Moreover, the vibration applied to the child seat S can be accurately corrected by canceling all the vibrations once.

  Note that the vibration control unit 24 is not limited to applying vibration to the child seat S so as to induce sleep of the infant 100, and may apply vibration to the child seat S so as not to induce sleep of the infant 100, for example. This point will be described with reference to FIG.

  FIG. 6 is a diagram showing the processing contents of the vibration control unit 24 when waking up the infant 100. In FIG. 6, time t1 is shown as the current time.

  Here, it is assumed that the vibration control unit 24 applies vibration of a vibration pattern in which, for example, a sleep flag is set to the child seat S at a time before time t1. However, for example, if the infant 100 falls asleep when the vehicle C comes close to the destination, the passenger raises the infant 100 that has just fallen asleep after arriving at the destination and gets off the vehicle. Therefore, the mood of the infant 100 may be impaired.

  Therefore, the vibration control unit 24 stops the vibration applied to the child seat S when the estimated arrival time to the destination acquired from the navigation device 11 is within a predetermined time.

  Specifically, the correction unit 24b prohibits the addition of the vibration pattern information in which the sleep flag is set to the correction information after the time t1. That is, the correction unit 24b generates correction information including, as correction vibration information, vibration information that cancels vibration applied to the child seat S while the vehicle C is traveling based on the vibration information acquired by the acquisition unit 24a. It outputs to the drive part 24c.

  Thereby, since the vibration of the child seat S stops, sleep of the infant 100 is not induced, that is, the infant 100 continues to wake up.

  The correction unit 24b stops the vibration when the vehicle C is within a predetermined time until reaching the destination. For example, when the distance between the current position of the vehicle C and the destination is within the predetermined distance, the correcting unit 24b vibrates. May be stopped.

  Moreover, although the correction | amendment part 24b prohibited adding the information of the vibration pattern in which the sleep flag was set to correction information, it is not limited to this, For example, also as adding the vibration of the vibration pattern in which the awakening flag was set Good. Thereby, for example, the infant 100 who is already sleeping can be awakened.

  The correction unit 24b may generate correction information in consideration of the weight of the infant 100 detected by the weight detection unit 23, for example. That is, the correction unit 24b applies vibration to the child seat S based on the weight of the infant 100 detected by the weight detection unit 23. For example, the correction unit 24b adjusts so that the strength (for example, amplitude) of the vibration pattern of the vibration information 31 becomes weaker as the weight of the infant 100 becomes heavier.

  This is because the heavier the weight, the stronger the inertial force in the vibration direction, and the correction unit 24b adjusts the strength of the vibration pattern in consideration of this point, so that the weight is always constant regardless of the weight of the infant 100. The child seat S can be vibrated with the vibration intensity.

  Next, the processing procedure of the generation process of the vibration information 31 executed by the child seat vibration device 1 according to the embodiment will be described with reference to FIG. FIG. 7 is a flowchart illustrating a processing procedure of generation processing of the vibration information 31 executed by the child seat vibration device 1 according to the embodiment.

  As shown in FIG. 7, the learning unit 22 learns vibration information applied to the child seat S for each speed of the vehicle C and each road type on which the vehicle C travels (step S101).

  Further, the learning unit 22 determines whether or not the state of the infant 100 has changed based on information from the state detection unit 21 (step S102). If the learning unit 22 determines that the state of the infant 100 has changed (Yes in step S102), the learning unit 22 determines whether the infant 100 has changed from a sleeping state to a sleeping state, that is, from an awakened state to a sleeping state. (Step S103).

  If the learning unit 22 determines that the infant 100 is in a sleep state (Yes at Step S103), the learning unit 22 sets a sleep flag for the vibration pattern that is a learning result (Step S104). The learning unit 22 stores information including the generated vibration pattern as vibration information 31 (step S105), and ends the process.

  On the other hand, in the determination process of step S102, when the learning unit 22 determines that the state of the infant 100 has not changed (No in step S102), the process proceeds to step S105.

  In the determination process of step S103, the learning unit 22 does not change from the state where the infant 100 is awake to the sleeping state, that is, when the infant 100 is changed from the already sleeping state to the awake state ( In step S103, No), an awakening flag is set for the vibration pattern as a learning result (step S106).

  Next, a processing procedure of vibration processing executed by the child seat vibration device 1 according to the embodiment will be described with reference to FIG. FIG. 8 is a flowchart illustrating a processing procedure of vibration processing executed by the child seat vibration device 1 according to the embodiment.

  As illustrated in FIG. 8, the acquisition unit 24a of the vibration control unit 24 acquires information on vibration during travel of the vehicle C (step S201). Subsequently, the vibration control unit 24 determines whether or not the estimated arrival time to the destination of the vehicle C acquired from the navigation device 11 is within a predetermined time (step S202).

  When the arrival time is not within the predetermined time (No in step S202), the vibration control unit 24 determines the difference in amplitude and frequency between the acquired vibration information and the vibration pattern of the vibration information 31 stored in the storage unit 3. Calculate (step S203).

  Subsequently, the vibration control unit 24 generates correction information for correcting the vibration information acquired according to the calculated difference (step S204). Subsequently, the vibration control unit 24 vibrates the child seat S based on the vibration information and the correction information (step S205), and ends the process.

  On the other hand, in the determination process of step S202, when the estimated arrival time to the destination of the vehicle C is within the predetermined time (step S202, Yes), the vibration control unit 24 cancels the acquired vibration, that is, sleeps in the correction information. Prohibition of addition of information on the vibration pattern of the flag or addition of information on the vibration pattern of the awakening flag to the correction information (step S206).

  As described above, the child seat vibration device 1 according to the embodiment includes the storage unit 3 and the vibration control unit 24. The storage unit 3 stores vibration information 31 that is information of vibration applied to the child seat S while the vehicle C is traveling. The vibration control unit 24 applies vibration to the child seat S based on the vibration information 31 stored in the storage unit 3. Thereby, the sleep of the infant 100 sitting on the child seat S can be induced.

  In the above-described embodiment, the learning unit 22 generates the vibration pattern based on the detection value of the three-axis gyro sensor mounted on the navigation device 11. However, for example, the child seat S is mounted with the three-axis gyro sensor. The detection value may be acquired from a three-axis gyro sensor. As a result, a detection value closer to the vibration applied to the child seat S can be acquired.

  Moreover, although embodiment mentioned above demonstrated the case where the child seat vibration apparatus 1 was mounted in the child seat S (refer FIG. 1), the child seat vibration apparatus 1 may be mounted in the navigation apparatus 11, for example.

  In such a case, the child seat vibration device 1 is communicably connected to the child seat S, and transmits information for causing the child seat S to vibrate. The child seat S includes, for example, a driving device, and the driving device vibrates the child seat S according to the information.

  Further, the vibration control unit 24 applies vibration to the child seat S based on, for example, the vibration pattern of the sleep flag or the awakening flag. For example, the vibration control unit 24 may apply vibration to the child seat S by a manual operation of a user such as a driver. Good.

  Specifically, the storage unit 3 generates a vibration pattern based on the speed of the vehicle C and the road type set in advance by the user, and stores the vibration pattern as the vibration information 31. Subsequently, when a predetermined operation is received from the user, the vibration control unit 24 adds the vibration of the vehicle C speed and road type vibration pattern set by the user to the child seat S.

  Thereby, the vibration of the vibration pattern set by the user can be applied to the child seat S at an arbitrary timing. The predetermined operation includes an input operation to the navigation device 11 and an operation to a dedicated push button, but is not limited to this and may be any operation.

  Further effects and modifications can be easily derived by those skilled in the art. Thus, the broader aspects of the present invention are not limited to the specific details and representative embodiments shown and described above. Accordingly, various modifications can be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalents.

DESCRIPTION OF SYMBOLS 1 Child seat vibration apparatus 2 Control part 3 Memory | storage part 10 Camera 11 Navigation apparatus 12 Seat sensor 21 State detection part 22 Learning part 23 Weight detection part 24 Vibration control part 24a Acquisition part 24b Correction part 24c Drive part 31 Vibration information S Child seat 100 Infant

Claims (13)

A storage unit that stores vibration information that is information on vibrations applied to the child seat while the vehicle is traveling;
A vibration control unit that applies the vibration to the child seat based on the vibration information stored in the storage unit;
A child seat vibration device comprising: The child seat vibration device according to claim 1, further comprising: a learning unit that learns vibration applied to the child seat while the vehicle is traveling, and stores the learning result in the storage unit as the vibration information. The learning unit
The child seat vibration device according to claim 2, wherein a vibration applied to the child seat is learned for each speed of the vehicle and / or for each road type on which the vehicle travels. A state detecting unit for detecting a state of an infant seated on the child seat;
The learning unit
The child seat vibration device according to claim 2 or 3, wherein the vibration applied to the child seat while the vehicle is running is learned based on the infant's state detected by the state detection unit. The learning unit
5. The child seat vibration device according to claim 4, wherein, when the state detection unit detects that the infant is in a sleep state, the child seat vibration device learns the vibration applied to the child seat while the vehicle is traveling. The vibration control unit
An acquisition unit for acquiring information on vibration applied to the child seat during the traveling of the vehicle;
Based on the vibration information acquired by the acquisition unit, a correction unit that generates correction information including correction vibration information that corrects vibration applied to the child seat during the traveling of the vehicle;
A drive unit that applies the correction vibration to the child seat based on the correction information generated by the correction unit;
The child seat vibration device according to claim 1, wherein the child seat vibration device is provided. The correction unit is
Based on the vibration information acquired by the acquisition unit, the correction information including vibration information that cancels vibration applied to the child seat while the vehicle is traveling as the correction vibration information is generated. The child seat vibration device according to claim 6. The correction unit is
The information obtained by adding the vibration information stored in the storage unit to vibration information that cancels vibration applied to the child seat while the vehicle is traveling is generated as the correction information. Child seat vibration device. The correction unit is
Based on the vibration information acquired by the acquisition unit, the vibration applied to the child seat during traveling of the vehicle is corrected so that vibration corresponding to the vibration information stored in the storage unit is applied to the child seat. The child seat vibration device according to any one of claims 6 to 8, wherein the correction vibration information to be generated is generated. The vibration control unit
The child seat vibration device according to any one of claims 1 to 9, wherein when the vehicle stops, vibration is applied to the child seat based on the vibration information stored in the storage unit. The storage unit
Storing the vibration information based on the vehicle speed and / or road type set by the user;
The vibration control unit
The child seat vibration device according to any one of claims 1 to 10, wherein when a predetermined operation is received from the user, vibration is applied to the child seat based on the vibration information. A weight detector for detecting the weight of the infant seated on the child seat;
The vibration control unit
The child seat vibration device according to any one of claims 1 to 11, wherein vibration is applied to the child seat based on the weight of the infant detected by the weight detection unit. A storage step of storing vibration information, which is information of vibration applied to the child seat while the vehicle is running, in the storage unit;
And a vibration control step of applying the vibration to the child seat based on the vibration information stored in the storage unit by the storage step.

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