JP2003212095A - Security device of vehicle - Google Patents
Security device of vehicleInfo
- Publication number
- JP2003212095A JP2003212095A JP2002014061A JP2002014061A JP2003212095A JP 2003212095 A JP2003212095 A JP 2003212095A JP 2002014061 A JP2002014061 A JP 2002014061A JP 2002014061 A JP2002014061 A JP 2002014061A JP 2003212095 A JP2003212095 A JP 2003212095A
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- microcomputer
- value
- vehicle
- security device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000004044 response Effects 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 4
- 230000036544 posture Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、自動二輪車等の車
両のセキュリティ装置に関し、特に、車両の状態を検出
するセンサと、該センサによる検出値の初期値からの変
化量が第１の所定値以上となったときに報知手段を報知
作動せしめるマイコンとを備える車両のセキュリティ装
置の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a security device for a vehicle such as a motorcycle, and more particularly to a sensor for detecting the state of the vehicle and a change amount of the detection value by the sensor from an initial value which is a first predetermined value. The present invention relates to an improvement in a vehicle security device including a microcomputer that causes a notification unit to perform a notification operation when the above is achieved.
【０００２】[0002]
【従来の技術】このようなセキュリティ装置は、たとえ
ば自動二輪車の停車後にライダーが自動二輪車から離れ
た後で、自動二輪車の傾斜角度が大きく変化したり、大
きな衝撃が自動二輪車に作用したりして車両の状態が大
きく変化したときに、盗難の可能性が大きくなったもの
としてブザー等の報知手段を報知作動せしめるものであ
るが、自動二輪車等の小型車両では搭載バッテリの容量
が比較的小さいので、消費電流を極力小さく抑える必要
がある。2. Description of the Related Art Such a security device is used, for example, after a rider leaves the motorcycle after the motorcycle has stopped, the inclination angle of the motorcycle changes greatly, or a large impact acts on the motorcycle. When there is a large change in the state of the vehicle, the alarm means such as a buzzer is activated to notify that the possibility of theft has increased, but in small vehicles such as motorcycles the capacity of the onboard battery is relatively small. It is necessary to keep the current consumption as low as possible.
【０００３】そこで、車両の状態が第１の所定値以上変
化したときに信号を出力するようにセンサを含むセンサ
回路部を構成しておき、センサー回路部には電力を常時
供給して作動状態を維持するが、前記センサから信号が
出力されるのに応じて作動状態となるようにして前記マ
イコンを常時はＳＴＯＰモードとすることで消費電流を
低減する第１の手法と、常時作動状態にあるマイコンに
よりセンサを間欠作動せしめるようにして消費電流を低
減する第２の手法とが、従来から用いられている。Therefore, a sensor circuit unit including a sensor is configured to output a signal when the state of the vehicle has changed by a first predetermined value or more, and electric power is constantly supplied to the sensor circuit unit to operate it. However, the first method for reducing the current consumption by keeping the microcomputer in the STOP mode so that the microcomputer is activated in response to the output of the signal from the sensor, A second method of reducing current consumption by intermittently operating a sensor by a certain microcomputer has been used conventionally.
【０００４】[0004]
【発明が解決しようとする課題】ところが、上述の第１
の手法では、消費電流が比較的大きいセンサを常時作動
状態とするので、消費電流を充分に低減し得るとは言え
ず、また第２の手法では、センサの間欠作動途中の非作
動時に車両に大きな変化が生じた場合にはセンサで検知
し得ず、盗難検知感度が充分とは言えない。However, the above-mentioned first problem
In the method of 1, the sensor that consumes a relatively large amount of current is always activated, so it cannot be said that the current consumption can be sufficiently reduced. In the second method, the sensor is not activated during the intermittent operation of the sensor. If a large change occurs, it cannot be detected by the sensor, and it cannot be said that the sensitivity of theft detection is sufficient.
【０００５】本発明は、かかる事情に鑑みてなされたも
のであり、消費電流の充分な低減を図るととともに、検
知感度を充分に高めた車両のセキュリティ装置を提供す
ることを目的とする。The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle security device in which the current consumption is sufficiently reduced and the detection sensitivity is sufficiently enhanced.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載の発明は、車両の状態を検出するセン
サと、該センサによる検出値の初期値からの変化量が第
１の所定値以上となったときに報知手段を報知作動せし
めるマイコンとを備える車両のセキュリティ装置におい
て、前記マイコンの非作動時には前記センサを非作動状
態とするとともに前記マイコンの作動時には前記センサ
を作動状態とするようにして前記センサの作動・非作動
を前記マイコンの作動・非作動に応じて切換えるセンサ
作動切換手段と、所定間隔の発振信号を出力する発振回
路とを含み、前記マイコンは、前記発振回路からの発振
信号入力に応じて作動を開始するとともにその作動開始
から前記所定間隔よりも短い第１の所定時間が経過する
までの間の前記センサの検出値の前記初期値からの変化
量が第１の所定値よりも小さな第２の所定値未満であっ
たときには第１の作動時間の経過に応じて作動を停止
し、前記作動開始から前記第１の所定時間が経過するま
でに前記センサの検出値の前記初期値からの変化量が第
２の所定値以上となったときには前記発振回路からの信
号入力とは無関係に第２の所定時間だけ作動状態を維持
することを特徴とする。In order to achieve the above object, the invention according to claim 1 is characterized in that a sensor for detecting a state of a vehicle and a change amount of a detection value by the sensor from an initial value are first. In a vehicle security device including a microcomputer that causes a notification means to perform an alarm operation when the value exceeds a predetermined value, the sensor is inactive when the microcomputer is inactive, and the sensor is active when the microcomputer is active. And a sensor operation switching means for switching the operation / non-operation of the sensor according to the operation / non-operation of the microcomputer, and an oscillation circuit for outputting an oscillation signal at a predetermined interval. From the start of the operation until the first predetermined time shorter than the predetermined interval has elapsed from the start of the operation. When the amount of change in the detected value of the service from the initial value is less than the second predetermined value smaller than the first predetermined value, the operation is stopped according to the elapse of the first operation time, and When the change amount of the detection value of the sensor from the initial value becomes equal to or more than the second predetermined value before the first predetermined time elapses, the second predetermined value is irrelevant regardless of the signal input from the oscillation circuit. It is characterized by maintaining the operating state for a time.
【０００７】このような構成によれば、マイコンおよび
センサがともに間欠作動するので、消費電流を充分に低
減することが可能である。しかもマイコンが第１の作動
時間作動しているときに、車両の状態がわずかに変化し
てセンサの検出値の初期値からの変化量が第２の所定値
以上となったときには、マイコンおよびセンサの作動状
態が第２の作動時間だけ延長されるので、第１の作動時
間経過後に車両の状態が大きく変化してセンサの検出値
の初期値からの変化量が第１の所定値以上となったとき
にもそれを見逃すことなく確実に検出して報知手段を作
動せしめることができ、充分な感度の検知能力を得るこ
とができる。According to this structure, both the microcomputer and the sensor operate intermittently, so that the current consumption can be sufficiently reduced. Moreover, when the microcomputer is operating for the first operation time and the state of the vehicle slightly changes and the change amount of the sensor detection value from the initial value becomes equal to or more than the second predetermined value, the microcomputer and the sensor Since the operating state of is extended by the second operating time, the state of the vehicle changes significantly after the lapse of the first operating time, and the change amount of the sensor detection value from the initial value becomes equal to or more than the first predetermined value. Even if it occurs, it is possible to detect it without fail and activate the notification means, and it is possible to obtain a detection capability with sufficient sensitivity.
【０００８】また請求項２記載の発明は、上記請求項１
記載の発明の構成に加えて、前記検出値の初期値が、前
記マイコンおよび前記発振回路をセットする信号の入力
時から第３の所定時間が経過したときの前記センサの検
出値として設定されることを特徴とし、かかる構成によ
れば、停車状態の姿勢等が一定ではない車両においても
確実な停車状態での車両の状態を初期値として設定する
ことになり、そのような車両に有効に適用することがで
きる。The invention according to claim 2 is the above-mentioned claim 1.
In addition to the configuration of the invention described above, an initial value of the detection value is set as a detection value of the sensor when a third predetermined time has elapsed from the input of a signal for setting the microcomputer and the oscillation circuit. According to such a configuration, even in a vehicle in which the posture and the like in the stopped state are not constant, the vehicle state in the reliable stopped state is set as an initial value, which is effectively applied to such a vehicle. can do.
【０００９】[0009]
【発明の実施の形態】以下、本発明の実施の形態を、添
付の図面に示した本発明の一実施例に基づいて説明す
る。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below based on an embodiment of the present invention shown in the accompanying drawings.
【００１０】図１〜図５は本発明の一実施例を示すもの
であり、図１はセキュリティ装置の構成を示す回路図、
図２はモニタ継続中の作動タイミングチャート、図３は
警報作動に至るまでの作動タイミングチャート、図４は
セット時の作動タイミングチャート、図５はリセット時
の作動タイミングチャートである。1 to 5 show an embodiment of the present invention, and FIG. 1 is a circuit diagram showing the configuration of a security device,
2 is an operation timing chart during continuous monitoring, FIG. 3 is an operation timing chart up to the alarm operation, FIG. 4 is an operation timing chart at the time of setting, and FIG. 5 is an operation timing chart at the time of reset.
【００１１】先ず図１において、このセキュリティ装置
１は、たとえば自動二輪車等の小型車両に設けられるも
のであり、車両に搭載されたバッテリ２が該セキュリテ
ィ装置１に接続されるとともに、前記バッテリ２にヒュ
ーズ３を介して接続されるメインスイッチ４もセキュリ
ティ装置１に接続される。また作動状態を表示するため
の発光ダイオード５もセキュリティ装置１に接続され
る。First, in FIG. 1, the security device 1 is provided in a small vehicle such as a motorcycle, and a battery 2 mounted on the vehicle is connected to the security device 1 and is connected to the battery 2. The main switch 4 connected via the fuse 3 is also connected to the security device 1. The light emitting diode 5 for displaying the operating state is also connected to the security device 1.
【００１２】セキュリティ装置１は、車両の状態を検出
するセンサ６と、報知手段としてのブザー７と、前記セ
ンサ６による検出値の初期値からの変化量が第１の所定
値以上となったときにブザー７を報知作動せしめるマイ
コン８と、センサ６の作動・非作動をマイコン８の作動
・非作動に応じて切換えるセンサ作動切換手段としての
ＮＰＮトランジスタ９と、マイコン８を作動せしめるた
めの発振信号を所定間隔で出力する発振回路１０とを備
える。The security device 1 includes a sensor 6 for detecting the state of the vehicle, a buzzer 7 as an informing means, and a change amount of the detection value of the sensor 6 from an initial value, which is equal to or larger than a first predetermined value. A buzzer 7 for informing the buzzer 7, an NPN transistor 9 as a sensor operation switching means for switching the operation / non-operation of the sensor 6 in accordance with the operation / non-operation of the microcomputer 8, and an oscillation signal for operating the microcomputer 8. And an oscillation circuit 10 for outputting at a predetermined interval.
【００１３】バッテリ２は電源回路およびリセット回路
１１に接続されており、この電源回路およびリセット回
路１１からの電源電流がマイコン８、センサ６および発
振回路１０に供給される。またメインスイッチ４からの
信号は入力回路１２を介してマイコン８に入力される。The battery 2 is connected to a power supply circuit and a reset circuit 11, and the power supply current from the power supply circuit and the reset circuit 11 is supplied to the microcomputer 8, the sensor 6 and the oscillation circuit 10. Further, the signal from the main switch 4 is input to the microcomputer 8 via the input circuit 12.
【００１４】センサ６は、たとえば２軸加速度センサで
あり、前後方向で自動二輪車に加わる衝撃および自動二
輪車の左右方向の傾斜角度を検出してマイコン８に入力
する。而してセンサ６はＮＰＮトランジスタ９を介して
接地されており、ＮＰＮトランジスタ９の導通・遮断が
マイコン８で制御されることにより、センサ６の作動、
非作動が切換えられることになる。しかもマイコン８
は、該マイコン８の非作動時にはセンサ６を非作動状態
とするとともにマイコン８の作動時にはセンサ６を作動
状態とするようにしてＮＰＮトランジスタ９の導通・遮
断を切換える。The sensor 6 is, for example, a biaxial acceleration sensor, and detects the impact applied to the motorcycle in the front-rear direction and the inclination angle of the motorcycle in the left-right direction, and inputs it to the microcomputer 8. Thus, the sensor 6 is grounded via the NPN transistor 9, and the operation of the sensor 6 is controlled by controlling the conduction / interruption of the NPN transistor 9 by the microcomputer 8.
The non-operation will be switched. Moreover, the microcomputer 8
Switches the NPN transistor 9 between conduction and interruption by setting the sensor 6 in the inactive state when the microcomputer 8 is not operating and the sensor 6 in the operating state when the microcomputer 8 is operating.
【００１５】バッテリ２は、ブザー７と、マイコン８で
導通・遮断が制御されるＮＰＮトランジスタ１３を介し
て接地されており、ＮＰＮトランジスタ１３の導通・遮
断をマイコン８で制御することによりブザー７の作動・
不作動が制御される。またＮＰＮトランジスタ１３のコ
レクタ・エミッタ間にはツェナーダイオード１４が接続
される。The battery 2 is grounded via a buzzer 7 and an NPN transistor 13 whose conduction / interruption is controlled by the microcomputer 8. By controlling the conduction / interruption of the NPN transistor 13 by the microcomputer 8, the battery 2 of the buzzer 7 is controlled. Operation
Inactivity is controlled. A Zener diode 14 is connected between the collector and emitter of the NPN transistor 13.
【００１６】バッテリ２は、発光ダイオード５、抵抗１
５およびＮＰＮトランジスタ１６を介して接地されてお
り、マイコン８でＮＰＮトランジスタ１６の導通・遮断
が制御されることにより、発光ダイオード５の活性化・
不活性化が制御され、ＮＰＮトランジスタ１６のコレク
タ・エミッタ間にはツェナーダイオード１７が接続され
る。The battery 2 includes a light emitting diode 5 and a resistor 1.
5 and the NPN transistor 16 are grounded, and the microcomputer 8 controls conduction / interruption of the NPN transistor 16 to activate the light emitting diode 5.
The deactivation is controlled, and the Zener diode 17 is connected between the collector and the emitter of the NPN transistor 16.
【００１７】発振回路１０は、ＣＭＯＳデジタルＩＣか
ら成るものであり、たとえばデューティ比をたとえば
０．４％とした発振信号をマイコン８に入力する。The oscillation circuit 10 is composed of a CMOS digital IC, and inputs an oscillation signal with a duty ratio of 0.4%, for example, to the microcomputer 8.
【００１８】マイコン８は、発振回路１０からの発振信
号入力に応じて作動を開始するとともにその作動開始か
ら発振回路１０における発振信号出力間隔よりも短い第
１の所定時間Ｔ１が経過するまでの間のセンサ６の検出
値の初期値からの変化量が第１の所定値Ａよりも小さな
第２の所定値Ｂ未満であったときには、図２で示すよう
に、第１の作動時間Ｔ１の経過に応じて作動を停止する
ようにして間欠作動し、センサ６もマイコン８の作動に
同期して間欠作動する。而してマイコン８およびセンサ
６の間欠作動におけるデューティ比は、たとえば４％で
あり、第１の所定時間Ｔ１はたとえば１０ｍ秒である。
またマイコン８は、第１の所定時間Ｔ１内に、センサ６
の検出値をたとえば４回サンプリングする。The microcomputer 8 starts its operation in response to the oscillation signal input from the oscillation circuit 10, and during the period from the start of the operation until the lapse of a first predetermined time T1 shorter than the oscillation signal output interval in the oscillation circuit 10. When the amount of change in the detection value of the sensor 6 from the initial value is less than the second predetermined value B which is smaller than the first predetermined value A, as shown in FIG. Accordingly, the sensor 6 intermittently operates so as to stop its operation, and the sensor 6 also operates intermittently in synchronization with the operation of the microcomputer 8. The duty ratio in the intermittent operation of the microcomputer 8 and the sensor 6 is, for example, 4%, and the first predetermined time T1 is, for example, 10 ms.
In addition, the microcomputer 8 detects the sensor 6 within the first predetermined time T1.
The detected value of is sampled four times, for example.
【００１９】ところで前記第１の所定値Ａは、自動二輪
車に加わる衝撃についてはたとえば０．３Ｇ、自動二輪
車の左右方向の傾斜角度についてはたとえば７度に設定
されており、また第２の所定値Ｂは、自動二輪車に加わ
る衝撃についてはたとえば０．２Ｇ、自動二輪車の左右
方向の傾斜角度についてはたとえば５度に設定されてい
る。By the way, the first predetermined value A is set to, for example, 0.3 G for a shock applied to the motorcycle, for example, 7 degrees for the lateral inclination angle of the motorcycle, and the second predetermined value A. B is set to 0.2 G for the impact applied to the motorcycle and set to 5 degrees for the inclination angle of the motorcycle in the left-right direction, for example.
【００２０】図３において、マイコン６の作動開始から
第１の所定時間Ｔ１が経過するまでの時刻ｔ１でセンサ
６の検出値の初期値からの変化量が第２の所定値Ｂ以上
となったときには、発振回路１０からの信号入力とは無
関係に第２の所定時間Ｔ２たとえば１００ｍ秒だけマイ
コン８は作動状態を維持するものであり、それに応じて
センサ６も作動状態を維持することになる。In FIG. 3, the amount of change from the initial value of the detection value of the sensor 6 becomes equal to or more than the second predetermined value B at time t1 from the start of the operation of the microcomputer 6 until the elapse of the first predetermined time T1. At times, the microcomputer 8 maintains the operating state for the second predetermined time T2, for example, 100 msec, regardless of the signal input from the oscillation circuit 10, and accordingly, the sensor 6 also maintains the operating state.
【００２１】そして第２の所定時間Ｔ２が経過するまで
の間にセンサ６の検出値の初期値からの変化量が第１の
所定値Ａ未満のままであるときには、図３（ａ）で示す
ように、マイコン８は第２の所定時間Ｔ２の経過に応じ
て元の間欠作動状態に復帰し、また第２の所定時間Ｔ２
が経過するまでの間の時刻ｔ２でセンサ６の検出値の初
期値からの変化量が第１の所定値Ａ以上となったときに
は、図３（ｂ）で示すように、その時刻ｔ２から時間Ｔ
４が経過するまではマイコン８は作動状態を持続し、そ
の間、ブザー７を鳴らすことになる。さらに前記時間Ｔ
４の経過後に、センサ６の検出値の初期値からの変化量
が第１の所定値Ａ以上となったときにはマイコン８は時
間Ｔ４が経過する間は再び作動を持続して、ブザー７を
鳴らすことになる。When the amount of change from the initial value of the detection value of the sensor 6 remains less than the first predetermined value A before the second predetermined time T2 elapses, it is shown in FIG. 3 (a). As described above, the microcomputer 8 returns to the original intermittent operation state according to the lapse of the second predetermined time T2, and the second predetermined time T2
When the amount of change from the initial value of the detection value of the sensor 6 becomes equal to or larger than the first predetermined value A at time t2 until the time elapses, as shown in FIG. T
The microcomputer 8 continues to operate until 4 has elapsed, and the buzzer 7 sounds during that time. Further, the time T
After the lapse of 4, when the amount of change in the detected value of the sensor 6 from the initial value becomes equal to or larger than the first predetermined value A, the microcomputer 8 continues to operate again while the time T4 elapses and sounds the buzzer 7. It will be.
【００２２】ところで、セキュリティ装置１は、メイン
スイッチ４の遮断に応じてセットされるものであり、図
４で示すように、セキュリティ装置１をセットするため
のメインスイッチ４からの遮断信号が入力されてから第
３の所定時間Ｔ３たとえば６０秒が経過するまでに、マ
イコン８はブザー７を１回鳴らすとともに発光ダイオー
ド５を点灯し続け、第３の所定時間Ｔ３経過後にマイコ
ン８はブザー７をもう１回鳴らした後、発振回路１０か
らの発振信号入力に応じて発光ダイオード５を点滅させ
る。By the way, the security device 1 is set in response to the interruption of the main switch 4. As shown in FIG. 4, the interruption signal from the main switch 4 for setting the security device 1 is inputted. After the third predetermined time T3, for example 60 seconds, the microcomputer 8 sounds the buzzer once and continues to light the light emitting diode 5, and after the third predetermined time T3, the microcomputer 8 turns off the buzzer 7. After sounding once, the light emitting diode 5 is made to blink according to the oscillation signal input from the oscillation circuit 10.
【００２３】しかもセンサ６の検出値に基づいてブザー
７を鳴らすか否かを判断するための前記検出値の初期値
は、マイコン８および発振回路１０をセットする信号の
入力時から第３の所定時間Ｔ３が経過した時刻ｔ３での
前記センサ６の検出値として設定され、マイコン８に内
蔵のメモリーに記憶される。Moreover, the initial value of the detection value for determining whether or not to sound the buzzer 7 based on the detection value of the sensor 6 is a third predetermined value from the time of input of a signal for setting the microcomputer 8 and the oscillation circuit 10. It is set as the detection value of the sensor 6 at time t3 when the time T3 has elapsed and is stored in the memory built in the microcomputer 8.
【００２４】さらにセキュリティ装置１は、メインスイ
ッチ４の導通に応じてリセットされるものであり、図５
で示すように、メインスイッチ４からの導通信号が入力
されると、マイコン８は発光ダイオード５を２回点滅さ
せるとともにブザー７を２回鳴らすことで、リセットさ
れたことを報知することになる。Further, the security device 1 is reset in accordance with the conduction of the main switch 4, and is shown in FIG.
As indicated by, when the conduction signal from the main switch 4 is input, the microcomputer 8 blinks the light emitting diode 5 twice and sounds the buzzer 7 twice to notify the reset.
【００２５】次にこの実施例の作用について説明する
と、マイコン８およびセンサ６がともに発振回路１０が
出力する発振信号に応じて間欠作動し、発振回路１０が
ＣＭＯＳデジタルＩＣから成るものであるので、発振回
路１０の消費電流は極めて小さく抑えられ、発振信号の
デューティ比を適宜設定することにより、マイコン８お
よびセンサ６の消費電流も小さく抑えられることにな
る。Next, the operation of this embodiment will be described. Since both the microcomputer 8 and the sensor 6 operate intermittently in response to the oscillation signal output by the oscillation circuit 10, the oscillation circuit 10 is composed of a CMOS digital IC. The current consumption of the oscillation circuit 10 can be suppressed to an extremely small level, and by appropriately setting the duty ratio of the oscillation signal, the current consumption of the microcomputer 8 and the sensor 6 can also be suppressed to a small level.
【００２６】すなわちＣＭＯＳデジタルＩＣから成る発
振回路１０の消費電流は、たとえば発振周波数を４Ｈｚ
とし、デューティ比を０．４％としたときには１００μ
Ａ以下であり、またマイコン８の作動時の消費電流は、
デューティ比を４％としたときには８０μＡであり、停
止状態でのマイコン８の消費電流は１〜５μＡ以下であ
る。したがってセキュリティ装置１全体の消費電流を効
果的に小さく抑えることができる。That is, the current consumption of the oscillator circuit 10 composed of a CMOS digital IC is, for example, an oscillation frequency of 4 Hz.
And when the duty ratio is 0.4%, 100μ
It is less than A, and the current consumption when the microcomputer 8 is operating is
When the duty ratio is 4%, it is 80 μA, and the current consumption of the microcomputer 8 in the stopped state is 1 to 5 μA or less. Therefore, the current consumption of the entire security device 1 can be effectively suppressed.
【００２７】また発振回路１０からの発振信号の入力に
応じてマイコン８が第１の作動時間Ｔ１作動していると
きに、車両の状態がわずかに変化してセンサ６の検出値
の初期値からの変化量が第２の所定値Ｂ以上となったと
きには、マイコン８およびセンサ６の作動状態が第２の
作動時間Ｔ２だけ延長されるので、第１の作動時間Ｔ１
経過後に車両の状態が大きく変化してセンサ６の検出値
の初期値からの変化量が第１の所定値Ａ以上となったと
きにも，それを見逃すことなく確実に検出してブザー７
を鳴らすことができ、充分な感度の検知能力を得ること
ができる。Further, when the microcomputer 8 is operating for the first operation time T1 in response to the input of the oscillation signal from the oscillation circuit 10, the state of the vehicle changes slightly and the detected value of the sensor 6 changes from the initial value. When the amount of change in T1 is equal to or greater than the second predetermined value B, the operating states of the microcomputer 8 and the sensor 6 are extended by the second operating time T2, and thus the first operating time T1
Even if the state of the vehicle greatly changes after a lapse of time and the amount of change in the detected value of the sensor 6 from the initial value becomes equal to or larger than the first predetermined value A, the buzzer 7 is reliably detected without missing it.
Can be sounded, and detection ability with sufficient sensitivity can be obtained.
【００２８】しかもセンサ６の検出値の初期値は、マイ
コン８および発振回路１０をセットする信号、すなわち
メインスイッチ４の遮断信号の入力時から第３の所定時
間Ｔ３が経過したときのセンサ６の検出値として設定さ
れるものである。したがってセンタースタンドを立てた
停車状態と、サイドスタンドを立てた停車状態とで姿勢
が異なる自動二輪車のように、停車状態の姿勢等が一定
ではない車両でも、確実な停車状態での車両の状態を初
期値として設定することになり、そのような車両に有効
に適用することができる。Further, the initial value of the detection value of the sensor 6 is the signal of the sensor 6 for setting the microcomputer 8 and the oscillation circuit 10, that is, the sensor 6 when the third predetermined time T3 has elapsed from the input of the cutoff signal of the main switch 4. It is set as a detection value. Therefore, even if the vehicle has a different attitude when the vehicle is stopped, such as a motorcycle with different postures depending on whether the vehicle is stopped with the center stand or stopped with the side stand, the vehicle is initially in a reliable stopped state. It will be set as a value and can be effectively applied to such a vehicle.
【００２９】以上、本発明の実施例を説明したが、本発
明は上記実施例に限定されるものではなく、特許請求の
範囲に記載された本発明を逸脱することなく種々の設計
変更を行うことが可能である。Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various design changes can be made without departing from the present invention described in the claims. It is possible.
【００３０】[0030]
【発明の効果】以上のように請求項１記載の発明によれ
ば、マイコンおよびセンサがともに間欠作動するので、
消費電流を充分に低減することが可能である。しかも車
両の状態が大きく変化したことを確実に検出して報知手
段を作動せしめることができ、充分な感度の検知能力を
得ることができる。As described above, according to the invention of claim 1, both the microcomputer and the sensor operate intermittently.
It is possible to sufficiently reduce the current consumption. Moreover, it is possible to reliably detect that the state of the vehicle has changed significantly and activate the notification means, and it is possible to obtain a detection capability with sufficient sensitivity.
【００３１】また請求項２記載の発明によれば、停車状
態の姿勢等が一定ではない車両でも確実な停車状態での
車両の状態を初期値として設定することができる。Further, according to the second aspect of the present invention, even if the vehicle is in a stationary state and the posture thereof is not constant, the vehicle state in a reliable stopped state can be set as an initial value.
【図１】セキュリティ装置の構成を示す回路図である。FIG. 1 is a circuit diagram showing a configuration of a security device.
【図２】モニタ継続中の作動タイミングチャートであ
る。FIG. 2 is an operation timing chart during continuous monitoring.
【図３】警報作動に至るまでの作動タイミングチャート
である。FIG. 3 is an operation timing chart up to the alarm operation.
【図４】セット時の作動タイミングチャートである。FIG. 4 is an operation timing chart at the time of setting.
【図５】リセット時の作動タイミングチャートである。FIG. 5 is an operation timing chart at reset.
１・・・セキュリティ装置
６・・・センサ
７・・・報知手段としてのブザー
８・・・マイコン
９・・・センサ作動切換手段としてのＮＰＮトランジス
タ
１０・・・発振回路1 ... Security device 6 ... Sensor 7 ... Buzzer 8 as notification means 8 ... Microcomputer 9 ... NPN transistor 10 as sensor operation switching means ... Oscillation circuit
Claims (2)
該センサ（６）による検出値の初期値からの変化量が第
１の所定値以上となったときに報知手段（７）を報知作
動せしめるマイコン（８）とを備える車両のセキュリテ
ィ装置において、前記マイコン（８）の非作動時には前
記センサ（６）を非作動状態とするとともに前記マイコ
ン（８）の作動時には前記センサ（６）を作動状態とす
るようにして前記センサ（６）の作動・非作動を前記マ
イコン（８）の作動・非作動に応じて切換えるセンサ作
動切換手段（９）と、所定間隔の発振信号を出力する発
振回路（１０）とを含み、前記マイコン（８）は、前記
発振回路（１０）からの発振信号入力に応じて作動を開
始するとともにその作動開始から前記所定間隔よりも短
い第１の所定時間が経過するまでの間の前記センサ
（６）の検出値の前記初期値からの変化量が第１の所定
値よりも小さな第２の所定値未満であったときには第１
の作動時間の経過に応じて作動を停止し、前記作動開始
から前記第１の所定時間が経過するまでに前記センサ
（６）の検出値の前記初期値からの変化量が第２の所定
値以上となったときには前記発振回路（１０）からの信
号入力とは無関係に第２の所定時間だけ作動状態を維持
することを特徴とする車両のセキュリティ装置。1. A sensor (6) for detecting the state of a vehicle,
A vehicle security device comprising: a microcomputer (8) for causing a notification means (7) to perform a notification operation when an amount of change from an initial value detected by the sensor (6) is equal to or greater than a first predetermined value. When the microcomputer (8) is inoperative, the sensor (6) is inactivated, and when the microcomputer (8) is activated, the sensor (6) is activated. The microcomputer (8) includes a sensor operation switching means (9) for switching operation depending on whether the microcomputer (8) is operated or not, and an oscillation circuit (10) for outputting an oscillation signal at a predetermined interval. The operation of the sensor (6) is started in response to an oscillation signal input from the oscillation circuit (10), and the detected value of the sensor (6) is measured from the start of the operation until a first predetermined time shorter than the predetermined interval elapses. When the change amount from the period value is less than the first small second predetermined value than the predetermined value first
Operation is stopped in accordance with the lapse of the operation time, and the amount of change in the detection value of the sensor (6) from the initial value is the second predetermined value until the first predetermined time elapses from the start of the operation. When the above is reached, the vehicle security device is characterized in that the operating state is maintained for a second predetermined time regardless of the signal input from the oscillation circuit (10).
（８）および発振回路（１０）をセットする信号の入力
時から第３の所定時間が経過したときの前記センサ
（６）の検出値として設定されることを特徴とする請求
項１記載の車両のセキュリティ装置。2. The detection value of the sensor (6) when an initial value of the detection value is a third predetermined time after the signal for setting the microcomputer (8) and the oscillation circuit (10) is input. The vehicle security device according to claim 1, wherein the security device is set as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002014061A JP3894801B2 (en) | 2002-01-23 | 2002-01-23 | Vehicle security device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002014061A JP3894801B2 (en) | 2002-01-23 | 2002-01-23 | Vehicle security device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003212095A true JP2003212095A (en) | 2003-07-30 |
| JP3894801B2 JP3894801B2 (en) | 2007-03-22 |
Family
ID=27650849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002014061A Expired - Fee Related JP3894801B2 (en) | 2002-01-23 | 2002-01-23 | Vehicle security device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3894801B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107624A (en) * | 2002-07-08 | 2009-05-21 | Yamaha Motor Electronics Co Ltd | Method of and apparatus for preventing motor cycle robbery |
| JP2009241629A (en) * | 2008-03-28 | 2009-10-22 | Honda Motor Co Ltd | Vehicular antitheft device |
-
2002
- 2002-01-23 JP JP2002014061A patent/JP3894801B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107624A (en) * | 2002-07-08 | 2009-05-21 | Yamaha Motor Electronics Co Ltd | Method of and apparatus for preventing motor cycle robbery |
| JP2009241629A (en) * | 2008-03-28 | 2009-10-22 | Honda Motor Co Ltd | Vehicular antitheft device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3894801B2 (en) | 2007-03-22 |
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