PROBLEM TO BE SOLVED: To provide a cheaper inclination angle calculation device capable of writing information acquired when power supply stops to a non-volatile memory without increasing the number of times of writing at the time of idling stop and the like.SOLUTION: An inclination angle calculation device 100 comprises: a backup power source unit 5 for charging a part of power supplied to an acceleration sensor 2 and an inclination angle calculation unit 31 by a power source unit 1 mounted on a vehicle A; a backflow prevention circuit 6 provided between the power source unit 1 and the backup power source unit 5 for preventing the backflow of a current from the backup power source unit 5 to the power source unit 1; a power source voltage monitoring unit 32 for monitoring a voltage supplied from the power source unit 1; and an information reading/writing unit 33 for writing information stored in the inclination angle calculation unit 31 to a non-volatile memory 4 by using power discharged from the backup power source unit 5 when a voltage value V1, which is a monitoring target of the power source voltage monitoring unit 32, becomes a voltage threshold value Vth1 or less.SELECTED DRAWING: Figure 2

    【課題】アイドリングストップ等での書込み回数を増大させることなく、電力供給が停止するときに有していた情報を不揮発性メモリに書き込みを行うことができる、より安価な傾斜角算出装置を提供する。【解決手段】傾斜角算出装置100は、車両Aに搭載された電源部1が加速度センサ2及び傾斜角算出部31に供給する電力の一部を充電するバックアップ電源部5と、電源部1とバックアップ電源部5との間に設けられて、バックアップ電源部5から電源部1への電流の逆流を防止する逆流防止回路6と、電源部1から供給される電圧を監視する電源電圧監視部32と、電源電圧監視部32の監視対象である電圧値V1が電圧閾値Vth1以下になったとき、バックアップ電源部5が放電する電力を用いて、傾斜角算出部31が有する情報を不揮発性メモリ4に書き込む情報読書部33とを備える。【選択図】図2


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    INCLINATION ANGLE CALCULATION DEVICE


    Weitere Titelangaben:

    傾斜角算出装置


    Beteiligte:

    Erscheinungsdatum :

    2017-01-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



    Inclination angle calculation device

    WATANABE YUTAKA | Europäisches Patentamt | 2017

    Freier Zugriff

    INCLINATION ANGLE CALCULATION DEVICE

    YAMASHITA TOSHIYUKI | Europäisches Patentamt | 2016

    Freier Zugriff

    ROAD SURFACE INCLINATION ANGLE CALCULATION DEVICE

    TOZAWA HIDEAKI | Europäisches Patentamt | 2022

    Freier Zugriff

    ROAD SURFACE INCLINATION ANGLE CALCULATION DEVICE

    BUNAZAWA HIDEAKI | Europäisches Patentamt | 2021

    Freier Zugriff

    INCLINATION ANGLE DETERMINATION DEVICE AND INCLINATION ANGLE DETERMINATION METHOD

    YOSHIDA MASATO | Europäisches Patentamt | 2018

    Freier Zugriff