JP2016160817A5 - - Google Patents

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JP2016160817A5
JP2016160817A5 JP2015039825A JP2015039825A JP2016160817A5 JP 2016160817 A5 JP2016160817 A5 JP 2016160817A5 JP 2015039825 A JP2015039825 A JP 2015039825A JP 2015039825 A JP2015039825 A JP 2015039825A JP 2016160817 A5 JP2016160817 A5 JP 2016160817A5
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上記目的を達成する本発明の特徴は、内燃機関のクランク軸の端部側に直接または動力伝達装置を介して取り付けたACジェネレータが発生した電力により、内燃機関を制御するバッテリレスの内燃機関用制御装置において、内燃機関の動作制御用のマイコンと、このマイコンに電源電力を給電するマイコン電源用電圧レギュレータと、前記ACジェネレータで発生した電力を整流および平滑化する内蔵レギュレータとを備え、前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に、小容量の第1のコンデンサと、複数の切換手段にそれぞれ直列接続され、前記第1のコンデンサより容量が大である複数の第2のコンデンサが並列接続されていることにある。 A feature of the present invention that achieves the above object is for a batteryless internal combustion engine that controls an internal combustion engine by electric power generated by an AC generator attached directly to the end of a crankshaft of the internal combustion engine or via a power transmission device. The control device includes a microcomputer for controlling the operation of the internal combustion engine, a voltage regulator for power supply of the microcomputer that supplies power to the microcomputer , and a built-in regulator that rectifies and smoothes the power generated by the AC generator. A first capacitor having a small capacity and a plurality of second capacitors each having a larger capacity than the first capacitor are connected in parallel between the regulator and the voltage regulator for the microcomputer power supply. There is in being.

そしてこの特徴において、前記第2のコンデンサを切り換える切換手段はMOSFETであり、このMOSFETの駆動を前記マイコンが制御するのがよく、前記マイコンが複数の前記切換手段に指令するタイミングは、切換手段ごとに異なっており、前記内燃機関の回転速度が上昇するにつれて順次切り換えられ、前記切換手段の切り換え間隔が所定時間以下の場合には所定時間に達するまで切り換えないことが望ましい。また、前記複数の第2のコンデンサを、前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に配置する代わりに、前記マイコン電源用電圧レギュレータと前記マイコン間に配置してもよい。 In this feature, the switching means for switching the second capacitor is a MOSFET, and it is preferable that the microcomputer controls the driving of the MOSFET, and the timing at which the microcomputer commands the plurality of switching means is set for each switching means. It is desirable that the switching is performed sequentially as the rotational speed of the internal combustion engine increases, and when the switching interval of the switching means is equal to or shorter than a predetermined time, it is preferable not to switch until the predetermined time is reached. The plurality of second capacitors may be arranged between the microcomputer power supply voltage regulator and the microcomputer instead of being arranged between the built-in regulator and the microcomputer power supply voltage regulator.

さらに、複数の第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に配置する代わりに、前記第1のコンデンサより容量が大である1個の第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間または前記マイコン電源用電圧レギュレータと前記マイコン間に接続し、前記第2のコンデンサにFETを直列接続し、前記マイコンは、前記内燃機関の回転速度が予め定めた回転速度域に達したら、前記FETをPWM駆動して前記第2のコンデンサを電気的な切断状態から接続状態へ切り換えて充電するようにしてもよい。 Further, instead of disposing a plurality of second capacitors between the built-in regulator and the microcomputer power supply voltage regulator, a single second capacitor having a larger capacity than the first capacitor is connected to the built-in regulator and the voltage regulator. Connected between the microcomputer power supply voltage regulator or between the microcomputer power supply voltage regulator and the microcomputer, the FET is connected in series to the second capacitor, and the microcomputer has a rotation speed range in which the rotation speed of the internal combustion engine is predetermined. Then, the FET may be PWM-driven to charge the second capacitor by switching from the electrically disconnected state to the connected state.

さらにまた、1個の第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に配置する代わりに、前記マイコン電源用電圧レギュレータ前記マイコン間に配置し、前記マイコンは前記FETをPWM駆動して前記第2のコンデンサを電気的な切断状態から接続状態へ切り換えて充電するようにしてもよい。 Furthermore, instead of arranging one second capacitor between the built-in regulator and the microcomputer power supply voltage regulator, the second capacitor is arranged between the microcomputer power supply voltage regulator and the microcomputer, and the microcomputer PWM-drives the FET. Then, the second capacitor may be charged by switching from the electrically disconnected state to the connected state.

上記目的を達成する本発明の他の特徴は、内燃機関に取り付けたACジェネレータが発生した電力により内燃機関の制御装置が内燃機関を制御するバッテリレスの内燃機関の制御方法において、前記内燃機関の制御装置は、マイコンに電源電力を給電するマイコン電源用電圧レギュレータと前記ACジェネレータの出力が入力される内蔵レギュレータとの間に第1のコンデンサを有しており、さらに前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間または前記マイコン電源用電圧レギュレータと前記マイコン間に設けられ、電源ラインに並列接続され、この第1のコンデンサより容量が大の複数の第2のコンデンサを、前記内燃機関の回転速度が複数の予め定めた回転速度に達したら、前記切換手段を用いて電気的な切断状態から接続状態へ順次切換えることにある。 Another feature of the present invention that achieves the above object is to provide a control method for a batteryless internal combustion engine in which the control device for the internal combustion engine controls the internal combustion engine by the electric power generated by the AC generator attached to the internal combustion engine. The control device includes a first capacitor between a microcomputer power supply voltage regulator that supplies power to the microcomputer and a built-in regulator to which the output of the AC generator is input, and the built-in regulator and the microcomputer power supply. provided between use voltage regulators or said voltage regulator microcomputer power between the microcomputer, connected in parallel to the power supply line, the first second capacitor capacity is more mass than the capacitor, the rotation speed of the internal combustion engine When a plurality of predetermined rotational speeds are reached, an electrical disconnection state is established using the switching means. There is sequentially switched it to La connection state.

またこの特徴において、前記複数の第2のコンデンサの代わりに前記第1のコンデンサより容量が大である1個の第2のコンデンサを、前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間または前記マイコン電源用電圧レギュレータと前記マイコン間に接続し、前記第2のコンデンサのPWM充電回数もしくはPWM充電時間が予め定めた値に達したら充電完了とみなして、その後は内燃機関の制御装置がリセットされるまで電気的な接続状態を保持するのが望ましい。
Further, in this feature, instead of the plurality of second capacitors, one second capacitor having a larger capacity than the first capacitor is connected between the built-in regulator and the microcomputer power supply voltage regulator or the microcomputer power supply. Connected between the voltage regulator and the microcomputer, and when the number of PWM charging times or PWM charging time of the second capacitor reaches a predetermined value, it is considered that the charging is completed, and thereafter the control device of the internal combustion engine is reset It is desirable to maintain an electrical connection.

Claims (11)

内燃機関のクランク軸の端部側に直接または動力伝達装置を介して取り付けたACジェネレータが発生した電力により、内燃機関を制御するバッテリレスの内燃機関用制御装置において、
内燃機関の動作制御用のマイコンと、このマイコンに電源電力を給電するマイコン電源用電圧レギュレータと、前記ACジェネレータで発生した電力を整流および平滑化する内蔵レギュレータとを備え、前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に、小容量の第1のコンデンサと、複数の切換手段にそれぞれ直列接続され、前記第1のコンデンサより容量が大である複数の第2のコンデンサが並列接続されていることを特徴とする内燃機関用制御装置。
In a batteryless control apparatus for an internal combustion engine that controls an internal combustion engine by electric power generated by an AC generator attached directly to the end of the crankshaft of the internal combustion engine or via a power transmission device,
A microcomputer for controlling operation of an internal combustion engine, a microcomputer power supply voltage regulator for supplying power to the microcomputer , and a built-in regulator for rectifying and smoothing power generated by the AC generator, the built-in regulator and the microcomputer A first capacitor having a small capacity and a plurality of second capacitors each having a capacity larger than that of the first capacitor are connected in parallel between the power supply voltage regulators. A control device for an internal combustion engine.
前記第2のコンデンサを切り換える切換手段はMOSFETであり、このMOSFETの駆動を前記マイコンが制御することを特徴とする請求項1に記載の内燃機関用制御装置。   2. The control apparatus for an internal combustion engine according to claim 1, wherein the switching means for switching the second capacitor is a MOSFET, and the microcomputer controls the driving of the MOSFET. 前記マイコンが複数の前記切換手段に指令するタイミングは、切換手段ごとに異なっており、前記内燃機関の回転速度が上昇するにつれて順次切り換えられ、前記切換手段の切り換え間隔が所定時間以下の場合には所定時間に達するまで切り換えないことを特徴とする請求項2に記載の内燃機関用制御装置。   The timing at which the microcomputer commands the plurality of switching means is different for each switching means, and is sequentially switched as the rotational speed of the internal combustion engine increases. 3. The control device for an internal combustion engine according to claim 2, wherein switching is not performed until a predetermined time is reached. 内燃機関に取り付けたACジェネレータが発生した電力により内燃機関の制御装置が内燃機関を制御するバッテリレスの内燃機関の制御方法において、
前記内燃機関の制御装置は、マイコンに電源電力を給電するマイコン電源用電圧レギュレータと前記ACジェネレータの出力が入力される内蔵レギュレータとの間に第1のコンデンサを有しており、
前記内燃機関の制御装置は、前記第1のコンデンサに切換手段を介して並列接続され、
この第1のコンデンサより容量が大の複数の第2のコンデンサを、前記内燃機関の回転速度が複数の予め定めた回転速度に達したら、前記切換手段を用いて電気的な切断状態から接続状態へ順次切換えることを特徴とする内燃機関の制御方法。
In a control method for a batteryless internal combustion engine in which a control device for the internal combustion engine controls the internal combustion engine by electric power generated by an AC generator attached to the internal combustion engine,
The control device for an internal combustion engine has a first capacitor between a microcomputer power supply voltage regulator that supplies power to the microcomputer and a built-in regulator to which the output of the AC generator is input,
The control device for the internal combustion engine is connected in parallel to the first capacitor via switching means,
The plurality of second capacitors having a capacity larger than that of the first capacitor are connected from the electrically disconnected state to the connected state using the switching means when the rotational speed of the internal combustion engine reaches a plurality of predetermined rotational speeds. A method for controlling an internal combustion engine characterized by sequentially switching to
前記複数の第2のコンデンサは、電気的な接続状態が同時には切換えられず、かつ前記切換手段の切り換え間隔が所定時間以下の場合には所定時間に達するまで切り換えないことを特徴とする請求項4に記載の内燃機関の制御方法。   The plurality of second capacitors are not switched until the predetermined time is reached when the electrical connection state is not switched at the same time and the switching interval of the switching means is not more than a predetermined time. 5. A method for controlling an internal combustion engine according to 4. 前記複数の第2のコンデンサは、内燃機関の始動時には電気的に切断されており、一旦接続されたら前記内燃機関の制御装置がリセットするまで電気的な接続状態を保持することを特徴とする請求項5に記載の内燃機関の制御方法。   The plurality of second capacitors are electrically disconnected when the internal combustion engine is started, and once connected, the electrical connection state is maintained until the control device of the internal combustion engine is reset. Item 6. A control method for an internal combustion engine according to Item 5. 内燃機関のクランク軸の端部側に直接または動力伝達装置を介して取り付けたACジェネレータが発生した電力により、内燃機関を制御するバッテリレスの内燃機関用制御装置において、
内燃機関の動作制御用のマイコンと、このマイコンに電源電力を給電するマイコン電源用電圧レギュレータと、前記ACジェネレータで発生した電力を整流および平滑化する内蔵レギュレータとを備え、前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に小容量の第1のコンデンサを、前記第1のコンデンサより容量が大である1個の第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に有し、前記第2のコンデンサにFETを直列接続し、
前記マイコンは前記FETをPWM駆動することを特徴とする内燃機関用制御装置。
In a batteryless control apparatus for an internal combustion engine that controls an internal combustion engine by electric power generated by an AC generator attached directly to the end of the crankshaft of the internal combustion engine or via a power transmission device,
A microcomputer for controlling operation of an internal combustion engine, a microcomputer power supply voltage regulator for supplying power to the microcomputer , and a built-in regulator for rectifying and smoothing power generated by the AC generator, the built-in regulator and the microcomputer A first capacitor having a small capacity between power supply voltage regulators, and one second capacitor having a larger capacity than the first capacitor between the built-in regulator and the microcomputer power supply voltage regulator, FET is connected in series to the second capacitor,
The microcomputer controls the FET by PWM driving the internal combustion engine control device.
内燃機関に取り付けたACジェネレータが発生した電力により内燃機関を制御するバッテリレスの内燃機関の制御方法において、
前記内燃機関の制御装置は、マイコンに電源電力を給電するマイコン電源用電圧レギュレータと、前記ACジェネレータの出力が入力される内蔵レギュレータと、前記マイコン電源用電圧レギュレータと前記ACジェネレータとの間に配置された第1のコンデンサと、前記第1のコンデンサより大容量で1個だけ接続された第2のコンデンサと、この第2のコンデンサに直列接続されたFETとを有し、前記マイコンは、前記内燃機関の回転速度が予め定めた回転速度域に達したら、前記FETをPWM駆動して前記第2のコンデンサを電気的な切断状態から接続状態へ切り換えて充電することを特徴とする内燃機関の制御方法。
In a control method for a batteryless internal combustion engine for controlling the internal combustion engine with electric power generated by an AC generator attached to the internal combustion engine,
The control device for the internal combustion engine includes a microcomputer power supply voltage regulator for supplying power to the microcomputer , a built-in regulator to which the output of the AC generator is input, and the microcomputer power supply voltage regulator and the AC generator. A first capacitor, a second capacitor having a larger capacity than that of the first capacitor, and a FET connected in series to the second capacitor. When the rotational speed of the internal combustion engine reaches a predetermined rotational speed range, the FET is PWM-driven, and the second capacitor is switched from the electrically disconnected state to the connected state and charged. Control method.
複数の第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に配置する代わりに、前記マイコン電源用電圧レギュレータと前記マイコン間に配置したことを特徴とする請求項1に記載の内燃機関用制御装置。 2. The internal combustion engine according to claim 1, wherein a plurality of second capacitors are disposed between the microcomputer power supply voltage regulator and the microcomputer instead of being disposed between the built-in regulator and the microcomputer power supply voltage regulator. Control device. 1個の前記第2のコンデンサを前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間に配置する代わりに、前記マイコン電源用電圧レギュレータと前記マイコン間に1個の前記第2のコンデンサを配置したことを特徴とする請求項7に記載の内燃機関用制御装置。 Instead of arranging one second capacitor between the built-in regulator and the microcomputer power supply voltage regulator, one second capacitor is arranged between the microcomputer power supply voltage regulator and the microcomputer. The control device for an internal combustion engine according to claim 7, wherein the control device is an internal combustion engine. 前記第2のコンデンサは前記内蔵レギュレータと前記マイコン電源用電圧レギュレータ間または前記マイコン電源用電圧レギュレータと前記マイコン間に接続されており、前記第2のコンデンサのPWM充電回数もしくはPWM充電時間が予め定めた値に達したら充電完了とみなして、その後は内燃機関の制御装置がリセットされるまで電気的な接続状態を保持することを特徴とする請求項8に記載の内燃機関の制御方法。 The second capacitor is connected between the built-in regulator and the microcomputer power supply voltage regulator or between the microcomputer power supply voltage regulator and the microcomputer, and the PWM charge frequency or PWM charge time of the second capacitor is predetermined. 9. The method of controlling an internal combustion engine according to claim 8, wherein the electric connection state is maintained until the control device for the internal combustion engine is reset after it is regarded that the charging has been completed.
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