JP2006083781A - Automobile engine remote starting method - Google Patents

Automobile engine remote starting method Download PDF

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JP2006083781A
JP2006083781A JP2004270386A JP2004270386A JP2006083781A JP 2006083781 A JP2006083781 A JP 2006083781A JP 2004270386 A JP2004270386 A JP 2004270386A JP 2004270386 A JP2004270386 A JP 2004270386A JP 2006083781 A JP2006083781 A JP 2006083781A
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voltage
engine
command signal
start command
cell motor
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Seiji Yamadera
清治 山寺
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Ueda Japan Radio Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02T10/40—Engine management systems

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Abstract

<P>PROBLEM TO BE SOLVED: To provide a method for confirming whether an engine is started or not with high precision in remote start operation of the engine of an automobile. <P>SOLUTION: This method comprises a process (S5) for measuring battery voltage immediately after application of voltage to a self-starting motor is stopped as reference voltage V<SB>0</SB>, a process (S6) for measuring battery voltage V<SB>1</SB>after predetermined time elapses after application of voltage to the self-starting motor is stopped, and a process for determining that the engine is started when difference in voltage V<SB>1</SB>-V<SB>0</SB>is above predetermined difference in voltage (S7) and determining that engine start is failure when difference in voltage V<SB>1</SB>-V<SB>0</SB>is predetermined difference in voltage. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、自動車のエンジンを遠隔から始動させるための自動車エンジン遠隔始動方法に関する。   The present invention relates to an automobile engine remote starting method for remotely starting an automobile engine.

自動車を屋外に駐車しておくと、車内温度が冬場では低くなりすぎたり、夏場では高くなりすぎたりすることがある。そこで、あらかじめ自動車の冷暖房機のスイッチをオンにしておき、自動車の運転前に自動車エンジン遠隔始動装置を用いて、自動車の車外から自動車のエンジンを遠隔始動して、自動車の冷暖房機を作動させ、車内温度を適温に調節することが行われている。   If a car is parked outdoors, the temperature inside the car may become too low in winter or too high in summer. Therefore, turn on the air conditioner of the car in advance, use the car engine remote starter before driving the car, remotely start the car engine from outside the car, operate the car air conditioner, The interior temperature is adjusted to an appropriate temperature.

自動車エンジン遠隔始動装置は、一般に、エンジン始動命令信号を送信するための始動命令信号送信器、そしてエンジン始動命令信号を受信して自動車のエンジンの始動操作を行なうためのエンジン始動装置からなる。
エンジン始動命令信号を受信したエンジン始動装置は、次のようにして自動車エンジンを始動させる。
まず、アクセサリ電気系統（例えば、音響機器）とイグニッション電気系統（例えば、エンジン点火回路、燃料噴射回路、冷暖房機）とに自動車のバッテリ電圧を印加する。次に、セルモータに自動車のバッテリ電圧を印加して、セルモータを駆動させる。そして、所定の時間経過後にセルモータへの電圧の印加を停止する。 An automobile engine remote starter generally comprises a start command signal transmitter for transmitting an engine start command signal, and an engine starter for receiving the engine start command signal and starting the engine of the vehicle.
The engine starter that has received the engine start command signal starts the automobile engine as follows.
First, an automobile battery voltage is applied to an accessory electrical system (for example, an acoustic device) and an ignition electrical system (for example, an engine ignition circuit, a fuel injection circuit, and an air conditioner). Next, the battery voltage of the automobile is applied to the cell motor to drive the cell motor. Then, the application of voltage to the cell motor is stopped after a predetermined time has elapsed.

上記のエンジン始動操作により、自動車のエンジンが始動すると、これに連動してオルタネータ（発電機）が作動する。オルタネータが作動すると、アクセサリ電気系統及びイグニッション電気系統にはオルタネータの出力電圧が印加される。また、オルタネータは、自動車のバッテリに電圧を印加してバッテリを充電する。   When the engine of the automobile is started by the above-described engine starting operation, an alternator (generator) is operated in conjunction with this. When the alternator is activated, the output voltage of the alternator is applied to the accessory electrical system and the ignition electrical system. The alternator charges the battery by applying a voltage to the battery of the automobile.

一方、自動車のエンジンが始動しないと、オルタネータが作動しないため、アクセサリ電気系統及びイグニッション電気系統には自動車のバッテリの電圧が印加され続けてしまう。このため、エンジン始動装置はエンジン始動操作を行なった後、エンジンが始動したか否かを判断して、自動車エンジンが始動しなかった場合には、アクセサリ電気系統及びイグニッション電気系統への電圧の印加を停止することが必要となる。   On the other hand, if the engine of the automobile is not started, the alternator does not operate, so that the voltage of the battery of the automobile continues to be applied to the accessory electric system and the ignition electric system. For this reason, after the engine start operation is performed, the engine start device determines whether or not the engine has started, and if the automobile engine does not start, the voltage is applied to the accessory electrical system and the ignition electrical system. It is necessary to stop.

エンジン始動の確認方法として、オルタネータのＬ端子出力電圧が上昇したときにエンジンが始動したと判断する方法が知られている。上述したようにオルタネータはエンジンと連動しているため、この方法によればエンジンが始動したことの確認を高い精度で行なうことができる。しかしながら、通常の自動車ではその構造上、オルタネータのＬ端子とエンジン始動装置とを接続するのが困難であるという問題がある。このため、エンジン始動装置との接続が比較的容易な自動車のバッテリの電圧を利用して、エンジン始動の確認を行なうことも検討されている。   As a method for confirming engine start, a method is known in which it is determined that the engine has started when the L terminal output voltage of the alternator increases. Since the alternator is interlocked with the engine as described above, according to this method, it can be confirmed with high accuracy that the engine has started. However, in a normal automobile, there is a problem that it is difficult to connect the L terminal of the alternator and the engine starter due to its structure. For this reason, it is also considered to check engine start using the voltage of the battery of an automobile that is relatively easy to connect to the engine starter.

バッテリ電圧を利用したエンジン始動の確認方法には、セルモータ駆動時のバッテリ電圧を測定する方法と、セルモータ駆動前後のバッテリ電圧を測定する方法の二つの方法に大別される。   The engine starting confirmation method using the battery voltage is roughly divided into two methods, a method of measuring the battery voltage when the cell motor is driven and a method of measuring the battery voltage before and after the cell motor is driven.

特許文献１には、セルモータ駆動時のバッテリ電圧を利用するエンジン始動の確認方法として、セルモータ駆動時のバッテリ電圧が連続的な上昇傾向を示したときにエンジンが始動したと判断する方法が記載されている。この方法は、セルモータ駆動時での電圧の上昇傾向を、エンジンの始動よりバッテリの負荷が軽減したとしてエンジンが始動したことを判断する方法である。しかしながら、この方法では、セルモータ駆動時のバッテリ電圧はリップルやノイズを伴うため、バッテリ電圧の上昇を連続的なものとして的確に捉えることは難しいという問題がある。   Patent Document 1 describes a method for determining that the engine has started when the battery voltage at the time of driving the cell motor shows a continuous upward trend as a method for confirming engine start using the battery voltage at the time of driving the cell motor. ing. This method is a method for determining that the engine has started, assuming that the battery load has been reduced from the start of the engine, based on the rising tendency of the voltage when the cell motor is driven. However, in this method, since the battery voltage when driving the cell motor is accompanied by ripples and noise, there is a problem that it is difficult to accurately grasp the increase in the battery voltage as a continuous one.

特許文献２には、セルモータ駆動前後のバッテリ電圧を利用するエンジン始動の確認方法として、セルモータ駆動停止後の所定期間内に、バッテリ電圧がセルモータ駆動開始前のバッテリ電圧を基準とした所定値を超過したときにエンジンが始動したと判断する方法が記載されている。この方法では、セルモータ駆動停止後の所定期間内にバッテリ電圧が所定値を超過するまで上昇したときは、エンジンに連動したオルタネータの作動によりバッテリが充電されているとして、エンジンが始動したと判断する方法である。しかしながら、この方法では、エンジン始動の確認時に消費電力の大きい冷暖房機が作動していると、オルタネータからバッテリに供給される電気エネルギー量が少なくなり、エンジンが始動している場合でも所定期間内にバッテリ電圧が所定値を超過するまで上昇しない場合がある。
特開平１１−２１７１号公報 特開２０００−１７０６３１号公報 In Patent Document 2, as a method for confirming engine start using the battery voltage before and after driving the cell motor, the battery voltage exceeds a predetermined value based on the battery voltage before starting the cell motor driving within a predetermined period after stopping the cell motor driving. A method for determining that the engine has started when the engine is started is described. In this method, when the battery voltage rises to exceed a predetermined value within a predetermined period after the cell motor drive is stopped, it is determined that the engine has started, assuming that the battery is charged by the operation of the alternator linked to the engine. Is the method. However, in this method, if an air conditioner with large power consumption is operating when confirming engine start, the amount of electrical energy supplied from the alternator to the battery decreases, and even when the engine is started, within a predetermined period. In some cases, the battery voltage does not increase until it exceeds a predetermined value.
Japanese Patent Laid-Open No. 11-2171 JP 2000-170631 A

本発明の課題は、遠隔からの自動車エンジンの始動操作において、セルモータの駆動後にエンジンが始動したか否かの点を、消費電力の大きい冷暖房機が作動しているような場合でも、精度良く確認することができる方法を提供することにある。   It is an object of the present invention to accurately check whether or not an engine has been started after driving a cell motor in a remote starting operation of an automobile engine, even when an air conditioner with high power consumption is operating. It is to provide a way that can be done.

本発明は、エンジン始動命令信号を送信するための始動命令信号送信器、そしてエンジン始動命令信号を受信して自動車のエンジンの始動操作を行なうためのエンジン始動装置からなる自動車エンジン遠隔始動装置を用いて、自動車エンジンを遠隔始動する方法であって、
（１）始動命令信号送信器からエンジン始動命令信号を送信することにより、エンジン始動装置を起動して、アクセサリ電気系統とイグニッション電気系統とに電圧を印加したのち、セルモータに電圧を印加し、次いで所定時間経過後にセルモータへの電圧の印加を停止する工程；
（２）セルモータへの電圧を印加停止した直後に自動車のバッテリの電圧を測定し、この電圧を基準電圧として記憶する工程；
（３）基準電圧を測定してから所定の時間経過後に自動車のバッテリの電圧を測定する工程；
（４）上記の測定電圧と前記の基準電圧とを比較して、測定電圧と基準電圧との電圧差が所定の電圧差以上に高い場合には、エンジン始動と判断し、測定電圧と基準電圧との電圧差が所定の電圧差に達しない場合は、エンジン始動失敗と判断する工程、そして、
（５）前記（４）の工程にて、エンジン始動失敗と判断した場合、アクセサリ電気系統とイグニッション電気系統への電圧の印加を停止した後、前記（１）〜（４）の工程を再度実施して、エンジンを始動させる工程；
を含む方法にある。 The present invention uses a vehicle engine remote starter comprising a start command signal transmitter for transmitting an engine start command signal, and an engine starter for receiving the engine start command signal to start the engine of the vehicle. A method for remotely starting an automobile engine,
(1) The engine start command signal is transmitted from the start command signal transmitter to start the engine starter, apply the voltage to the accessory electrical system and the ignition electrical system, then apply the voltage to the cell motor, Stopping the application of voltage to the cell motor after a predetermined time has elapsed;
(2) Immediately after stopping the application of the voltage to the cell motor, measuring the voltage of the automobile battery and storing this voltage as a reference voltage;
(3) a step of measuring the voltage of the automobile battery after a predetermined time has elapsed since the reference voltage was measured;
(4) Compare the measured voltage with the reference voltage, and if the voltage difference between the measured voltage and the reference voltage is higher than a predetermined voltage difference, it is determined that the engine is started, and the measured voltage and the reference voltage are If the voltage difference between and does not reach the predetermined voltage difference, the step of determining that the engine has failed, and
(5) If it is determined in the step (4) that the engine has failed to start, the application of the voltage to the accessory electrical system and the ignition electrical system is stopped, and then the steps (1) to (4) are performed again. And starting the engine;
In a method that includes

本発明の自動車エンジン遠隔始動方法においては、始動命令信号送信器に受信機能を設けて、エンジン始動装置に送信機能を設けて、エンジン始動と判断した場合に、エンジン始動装置が始動命令信号送信器にエンジン始動確認情報を送信してもよい。   In the automobile engine remote start method of the present invention, when the start command signal transmitter is provided with a reception function, the engine start device is provided with a transmission function, and the engine start device determines that the engine is started, the engine start device transmits the start command signal transmitter. The engine start confirmation information may be transmitted to.

自動車のエンジンを始動させたときのバッテリ電圧の挙動を、消費電力の大きい暖房機とファンのスイッチをオフにした状態とオンにした状態とについて調べた結果を図１と図２とに示す。図１は、冷暖房機とファンのスイッチをオフにしたときのバッテリ電圧の経時変化を示す図である。図２は、冷暖房機とファンのスイッチをオンにしたときのバッテリ電圧の経時変化を示す図である。   FIG. 1 and FIG. 2 show the results of examining the behavior of the battery voltage when the automobile engine is started for a state where the heater and the fan switch with large power consumption are turned off and on. FIG. 1 is a diagram showing a change in battery voltage over time when the air conditioner and fan switches are turned off. FIG. 2 is a diagram showing a change in battery voltage with time when the air conditioner and fan switches are turned on.

図１において、自動車のアクセサリ電気系統及びイグニッション電気系統への電圧の印加を開始してからセルモータへの電圧の印加開始前でのバッテリ電圧は１２．４Ｖである（時間Ｔ0）。セルモータへの電圧の印加を開始してセルモータを駆動させるとバッテリ電圧は、一時に８．３Ｖまで低下する（時間Ｔ1）。セルモータの駆動により、エンジンが始動するとバッテリ電圧はリップルやノイズを伴って上昇する。セルモータへの電圧の印加を停止してセルモータの駆動を停止させると、バッテリ電圧は一時に１２．１Ｖにまで立ち上がる（時間Ｔ2）。その後、バッテリ電圧は、緩やかに１４．１Ｖまで上昇する（時間Ｔ3）。 In FIG. 1, the battery voltage from the start of the application of the voltage to the automobile accessory electrical system and the ignition electrical system before the start of the application of the voltage to the cell motor is 12.4 V (time T 0 ). When voltage application to the cell motor is started and the cell motor is driven, the battery voltage drops to 8.3 V at a time (time T 1 ). When the engine is started by driving the cell motor, the battery voltage rises with ripples and noise. When the application of the voltage to the cell motor is stopped and the driving of the cell motor is stopped, the battery voltage rises to 12.1 V at a time (time T 2 ). Thereafter, the battery voltage gradually rises to 14.1 V (time T 3 ).

一方、図２において、自動車のアクセサリ電気系統及びイグニッション電気系統への電圧の印加を開始してからセルモータへの電圧の印加開始前でのバッテリ電圧は、１２．０Ｖである（時間Ｔ0’）。時間Ｔ0’でのバッテリ電圧が、図１の時間Ｔ0でのバッテリ電圧のときよりも低いのは、アクセサリ電気系統及びイグニッション電気系統に電圧を印加したときに冷暖房機とファンとが作動してバッテリの電気エネルギーが消費されるためである。セルモータへの電圧の印加を開始してセルモータを駆動させるとバッテリ電圧は、一時に８．０Ｖまで低下する（時間Ｔ1’）。その後、エンジンが始動するとバッテリ電圧は、リップルやノイズを伴って上昇する。セルモータへの電圧の印加を停止してセルモータの駆動を停止させると、一時に１１．６Ｖにまで立ち上がる（時間Ｔ2’）。その後、バッテリ電圧は、緩やかに１２．６Ｖまで上昇する（時間Ｔ3’）。 On the other hand, in FIG. 2, the battery voltage from the start of the application of the voltage to the automobile accessory electrical system and the ignition electrical system before the start of the application of the voltage to the cell motor is 12.0 V (time T 0 ′). . The battery voltage at time T 0 ′ is lower than the battery voltage at time T 0 in FIG. 1 because the air conditioner and fan operate when voltage is applied to the accessory electrical system and the ignition electrical system. This is because the electric energy of the battery is consumed. Start to the battery voltage when driving the starter motor to application of voltage to the starter motor is temporarily decreased to 8.0 V (time T 1 '). Thereafter, when the engine starts, the battery voltage rises with ripples and noise. When the application of the voltage to the cell motor is stopped to stop the driving of the cell motor, the voltage rises to 11.6 V at a time (time T 2 ′). Thereafter, the battery voltage gradually increases to 12.6 V (time T 3 ′).

図１と図２とに示した結果から分かるように、暖房機とファンのスイッチがオフであってもオンであってもセルモータへの電圧の印加停止後のバッテリ電圧は、セルモータへの電圧の印加開始直前のバッテリ電圧よりも低くなる。セルモータへの電圧の印加停止後のバッテリ電圧を基準電圧とすると、セルモータへの電圧の印加停止直前のバッテリ電圧を基準電圧とする場合と比べて、基準電圧とエンジン始動後のバッテリ電圧との電圧差を大きくすることができる。従って、本発明の方法によれば、セルモータの駆動後にエンジンが始動したか否かの点を、消費電力の大きい冷暖房機が作動しているような場合でも、精度良く確認することができる。   As can be seen from the results shown in FIG. 1 and FIG. 2, the battery voltage after the voltage application to the cell motor is stopped is the same as the voltage to the cell motor regardless of whether the heater and fan are switched off or on. It becomes lower than the battery voltage just before the start of application. If the battery voltage after stopping the application of voltage to the cell motor is used as the reference voltage, the voltage between the reference voltage and the battery voltage after starting the engine is compared to the case where the battery voltage immediately before stopping the application of voltage to the cell motor is used as the reference voltage. The difference can be increased. Therefore, according to the method of the present invention, it is possible to accurately confirm whether or not the engine has been started after the cell motor is driven, even when an air conditioner with high power consumption is operating.

本発明の自動車エンジン遠隔始動方法及びこの方法の実施に有利に用いることのできる自動車エンジン遠隔始動装置について、添付図面を参照しながら説明する。   A vehicle engine remote start method of the present invention and a vehicle engine remote start device that can be advantageously used to implement the method will be described with reference to the accompanying drawings.

図３は、本発明の自動車エンジン遠隔始動方法の実施に有利に用いることのできる自動車エンジン遠隔始動装置の一例の構成図である。
自動車エンジン遠隔始動装置は、持ち運びの可能な始動命令信号送信器１と自動車の車内に設置されるエンジン始動装置２とからなる。
始動命令信号送信器１は、エンジン始動命令信号を送信する機能の他に、エンジン始動確認情報を受信する機能を有している。エンジン始動装置２は、エンジン始動命令信号を受信するための始動命令信号受信器３、自動車エンジンの始動操作の制御とエンジン始動の確認を行なうためのＣＰＵ（中央演算処理ユニット）４、アクセサリ接点５、イグニッション接点６及びセルモータ接点７、そしてエンジン始動確認情報を始動命令信号送信器１に送信するための情報送信器８からなる。 FIG. 3 is a configuration diagram of an example of an automobile engine remote starter that can be advantageously used in the implementation of the automobile engine remote start method of the present invention.
The automobile engine remote starter comprises a portable start command signal transmitter 1 and an engine starter 2 installed in the car.
The start command signal transmitter 1 has a function of receiving engine start confirmation information in addition to a function of transmitting an engine start command signal. The engine starter 2 includes a start command signal receiver 3 for receiving an engine start command signal, a CPU (central processing unit) 4 for controlling start operation of the automobile engine and confirming engine start, and an accessory contact 5 , An ignition contact 6 and a cell motor contact 7, and an information transmitter 8 for transmitting engine start confirmation information to the start command signal transmitter 1.

ＣＰＵ４は、制御手段１１、Ａ／Ｄ（アナログ／デジタル）変換手段１２、基準電圧記憶手段１３、判断手段１４を有する。
制御手段１１は、始動命令信号受信器３が受信したエンジン始動命令信号を受けて、アクセサリ接点５、イグニッション接点６及びセルモータ接点７の開閉を制御する。また、制御手段１１は、エンジン始動が確認された場合は、エンジン始動確認情報の送信命令を情報送信器８に出力する。Ａ／Ｄ（アナログ／デジタル）変換手段１２は、バッテリ電圧をデジタル信号に変換する。基準電圧記憶手段１３は、セルモータへの電圧を印加停止した直後のバッテリ電圧をＡ／Ｄ変換手段１２を介して測定し、これを基準電圧として記憶する。判断手段１４は、セルモータへの電圧の印加を停止してから所定時間経過後のバッテリ電圧をＡ／Ｄ変換手段１２を介して測定し、そのバッテリ電圧と基準電圧記憶手段１３に記憶された基準電圧との比較により、エンジンが始動したか否かを判断し、その結果を制御手段１１に出力する。 The CPU 4 includes a control unit 11, an A / D (analog / digital) conversion unit 12, a reference voltage storage unit 13, and a determination unit 14.
The control means 11 receives the engine start command signal received by the start command signal receiver 3, and controls the opening / closing of the accessory contact 5, the ignition contact 6 and the cell motor contact 7. Further, when the engine start is confirmed, the control means 11 outputs an engine start confirmation information transmission command to the information transmitter 8. A / D (analog / digital) conversion means 12 converts the battery voltage into a digital signal. The reference voltage storage means 13 measures the battery voltage immediately after the application of the voltage to the cell motor is stopped via the A / D conversion means 12, and stores this as the reference voltage. The determination unit 14 measures the battery voltage after a predetermined time has elapsed after stopping the application of the voltage to the cell motor via the A / D conversion unit 12, and the reference stored in the battery voltage and the reference voltage storage unit 13. By comparing with the voltage, it is determined whether or not the engine has started, and the result is output to the control means 11.

次に、上記のエンジン遠隔始動装置を用いた本発明のエンジン始動方法の例について、図４のフローチャートに従って説明する。   Next, an example of the engine starting method of the present invention using the above engine remote starting device will be described with reference to the flowchart of FIG.

制御手段１１は、アクセサリ接点５とイグニッション接点６とを閉じて、アクセサリ電気系統とイグニッション電気系統とに電圧の印加を開始する（Ｓ１、Ｓ２）。次に、セルモータ接点７を閉じて、セルモータへの電圧の印加を開始して（Ｓ３）、所定時間（例えば、１〜３秒）の経過後にセルモータへの電圧印加を停止する（Ｓ４）。   The control means 11 closes the accessory contact 5 and the ignition contact 6 and starts applying a voltage to the accessory electrical system and the ignition electrical system (S1, S2). Next, the cell motor contact 7 is closed, voltage application to the cell motor is started (S3), and voltage application to the cell motor is stopped after elapse of a predetermined time (for example, 1 to 3 seconds) (S4).

制御手段１１がセルモータへの電圧の印加停止した直後（例えば、電圧の印加停止後０．１〜１秒の間）に、基準電圧記憶手段１３は、自動車のバッテリの電圧を測定し、この電圧を基準電圧（Ｖ0）として記憶する（Ｓ５）。 Immediately after the control means 11 stops applying the voltage to the cell motor (for example, for 0.1 to 1 second after the application of voltage is stopped), the reference voltage storage means 13 measures the voltage of the vehicle battery, and this voltage Is stored as a reference voltage (V 0 ) (S5).

次いで、セルモータへの電圧の印加を停止してから所定の時間（例えば、２〜１５秒）が経過した後、判断手段１４はバッテリ電圧（Ｖ1）を測定する（Ｓ６）。
そして、判断手段１４は、測定電圧（Ｖ1）と基準電圧（Ｖ0）との電圧差（Ｖ1−Ｖ0）が所定の電圧差以上であるかを確認する（Ｓ７）。電圧差Ａは、０．３〜１．０Ｖの範囲で定めた値であることが好ましく、０．３〜０．５Ｖ範囲で定めた値であることがより好ましい。 Then, a predetermined time the application of the voltage from the stop to the starter motor (for example, 2 to 15 seconds) after a lapse of, determining means 14 measures the battery voltage (V 1) (S6).
Then, the determination unit 14 checks whether or not the voltage difference (V 1 −V 0 ) between the measurement voltage (V 1 ) and the reference voltage (V 0 ) is equal to or greater than a predetermined voltage difference (S 7). The voltage difference A is preferably a value determined in the range of 0.3 to 1.0 V, and more preferably a value determined in the range of 0.3 to 0.5 V.

電圧差（Ｖ1−Ｖ0）が所定電圧差以上である場合は、エンジンが始動したと判断する（Ｓ８）。この判断結果は制御手段１１に送られ、エンジン始動確認情報の送信命令が情報送信器８に出力され、情報送信機８が、エンジン始動確認情報を始動命令信号送信器１に送信する（Ｓ９）。なお、エンジンが始動したと判断した場合、制御手段１１は、アクセサリ電気系統とイグニッション電気系統とに電圧の印加を継続する。 If the voltage difference (V 1 −V 0 ) is greater than or equal to the predetermined voltage difference, it is determined that the engine has started (S8). The determination result is sent to the control means 11, and a command for transmitting engine start confirmation information is output to the information transmitter 8. The information transmitter 8 transmits engine start confirmation information to the start command signal transmitter 1 (S9). . When it is determined that the engine has started, the control means 11 continues to apply a voltage to the accessory electrical system and the ignition electrical system.

一方、電圧差（Ｖ1−Ｖ0）が所定電圧差に達していない場合は、アクセサリ電気系統とイグニッション電気系統への電圧の印加を停止した後、前記（Ｓ１）の工程に戻って、エンジンの始動操作を再度実施する。この場合、基準電圧記憶手段１３は、記憶している基準電圧を消去して、エンジン始動開始操作毎に基準電圧を測定して記憶することが好ましい。 On the other hand, if the voltage difference (V 1 −V 0 ) has not reached the predetermined voltage difference, the application of the voltage to the accessory electrical system and the ignition electrical system is stopped, and then the process returns to the step (S1), and the engine Perform the starting operation again. In this case, it is preferable that the reference voltage storage means 13 erases the stored reference voltage and measures and stores the reference voltage for each engine start start operation.

自動車の冷暖房機とファンのスイッチをオフにして、エンジンの始動操作を行ったときのバッテリ電圧の経時変化を示す図である。It is a figure which shows the time-dependent change of the battery voltage when the switch of an air conditioner and a fan of a motor vehicle is turned off, and engine starting operation is performed. 自動車の冷暖房機とファンのスイッチをオンにして、エンジンの始動操作を行ったときのバッテリ電圧の経時変化を示す図である。It is a figure which shows the time-dependent change of the battery voltage when the switch of an air conditioner and a fan of a motor vehicle is turned on, and engine starting operation is performed. 本発明の自動車エンジン遠隔始動方法の実施に有利に用いることのできる自動車エンジン遠隔始動装置の一例の構成図である。It is a block diagram of an example of the motor vehicle remote starter which can be advantageously used for implementation of the motor vehicle remote start method of this invention. 本発明に従う、エンジン始動操作の一例のフローチャートである。3 is a flowchart of an example of an engine start operation according to the present invention.

符号の説明Explanation of symbols

１ 始動命令信号送信器
２ エンジン始動装置
３ 始動命令信号受信器
４ ＣＰＵ
５ アクセサリ接点
６ イグニッション接点
７ セルモータ接点
８ 情報送信器
１１ 制御手段
１２ Ａ／Ｄ変換手段
１３ 基準電圧記憶手段
１４ 判断手段 1 Start command signal transmitter 2 Engine starter 3 Start command signal receiver 4 CPU
DESCRIPTION OF SYMBOLS 5 Accessory contact 6 Ignition contact 7 Cell motor contact 8 Information transmitter 11 Control means 12 A / D conversion means 13 Reference voltage storage means 14 Judgment means

Claims (2)

エンジン始動命令信号を送信するための始動命令信号送信器、そしてエンジン始動命令信号を受信して自動車のエンジンの始動操作を行なうためのエンジン始動装置からなる自動車エンジン遠隔始動装置を用いて、自動車エンジンを遠隔始動する方法であって、
（１）始動命令信号送信器からエンジン始動命令信号を送信することにより、エンジン始動装置を起動して、アクセサリ電気系統とイグニッション電気系統とに電圧を印加したのち、セルモータに電圧を印加し、次いで所定時間経過後にセルモータへの電圧の印加を停止する工程；
（２）セルモータへの電圧を印加停止した直後に自動車のバッテリの電圧を測定し、この電圧を基準電圧として記憶する工程；
（３）基準電圧を測定してから所定の時間経過後に自動車のバッテリの電圧を測定する工程；
（４）上記の測定電圧と前記の基準電圧とを比較して、測定電圧と基準電圧との電圧差が所定の電圧差以上に高い場合には、エンジン始動と判断し、測定電圧と基準電圧との電圧差が所定の電圧差に達しない場合は、エンジン始動失敗と判断する工程、そして、
（５）前記（４）の工程にて、エンジン始動失敗と判断した場合、アクセサリ電気系統とイグニッション電気系統への電圧の印加を停止した後、前記（１）〜（４）の工程を再度実施して、エンジンを始動させる工程；
を含む方法。 A vehicle engine using a vehicle engine remote starter comprising a start command signal transmitter for transmitting an engine start command signal, and an engine starter for receiving the engine start command signal and performing a start operation of the vehicle engine. A method for remotely starting
(1) The engine start command signal is transmitted from the start command signal transmitter to start the engine starter, apply the voltage to the accessory electrical system and the ignition electrical system, then apply the voltage to the cell motor, Stopping the application of voltage to the cell motor after a predetermined time has elapsed;
(2) Immediately after stopping the application of the voltage to the cell motor, measuring the voltage of the automobile battery and storing this voltage as a reference voltage;
(3) a step of measuring the voltage of the automobile battery after a predetermined time has elapsed since the reference voltage was measured;
(4) Compare the measured voltage with the reference voltage, and if the voltage difference between the measured voltage and the reference voltage is higher than a predetermined voltage difference, it is determined that the engine is started, and the measured voltage and the reference voltage are If the voltage difference between and does not reach the predetermined voltage difference, the step of determining that the engine has failed, and
(5) If it is determined in the step (4) that the engine has failed to start, the application of the voltage to the accessory electrical system and the ignition electrical system is stopped, and then the steps (1) to (4) are performed again. And starting the engine;
Including methods. 始動命令信号送信器が受信機能を有し、エンジン始動装置が送信機能を有していて、エンジン始動と判断した場合に、エンジン始動装置が始動命令信号送信器にエンジン始動確認情報を送信する工程が含まれる請求項１に記載の自動車エンジン遠隔始動方法。   A step of transmitting engine start confirmation information to the start command signal transmitter when the start command signal transmitter has a reception function and the engine start device has a transmission function and it is determined that the engine is started. The method for remotely starting an automobile engine according to claim 1.
JP2004270386A 2004-09-16 2004-09-16 Automobile engine remote starting method Pending JP2006083781A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102140990A (en) * 2010-02-01 2011-08-03 株式会社电装 System for restarting internal combustion engine during decrease of rotational speed of internal combustion engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102140990A (en) * 2010-02-01 2011-08-03 株式会社电装 System for restarting internal combustion engine during decrease of rotational speed of internal combustion engine
DE102011000411A1 (en) 2010-02-01 2011-08-04 DENSO CORPORATION, Aichi-pref. System to move and rotate drive pinion of starter to restart internal combustion engine, is provided with crankshaft to which ring gear is coupled, where restarting unit is provided
DE102011000411B4 (en) 2010-02-01 2022-03-24 Denso Corporation System for restarting an internal combustion engine during a droop

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