TH140362A - Engine control device - Google Patents

Abstract

1 page of the number 1 page summary of the invention In order to detect the condition of the battery by utilizing reverse rotation driving. Of the crankshaft at the time of starting the engine The engine control 10 will have an ECU 36 that has been built into the configuration in order to operate on starting the engine. E regulates the return rocker where 70 motors are driven with Based on the battery supply current, 96 drives the crankshaft 48 in the reverse direction and after driving in the reverse direction. It drives the crankshaft 48 in a normal rotation direction. ECU 36 has 128 controllers that have been built into the configuration to Set the functional ratio of the supply current consumed in the first period T1 to a larger value applied in the second time T2 time T1 extending from the point where Rotation The reverse of the crankshaft 48 has been started until the predetermined point of time. The second period T2 extending from the preset time point; And the Battery Status Determination Unit 126 has been built into the configuration to determine the battery health 96 based on Condition of battery voltage 96 in the first period T1:

Claims (9)

Disclaimer (all) which will not appear on the advertisement page: page 1 of the number 4 disclaimers 1. Engine control devices (10) incorporating a controller (36) that have been built Come up in the configuration in order to operate When the engine is started (E), it controls the reverse where the motor (70) is driven based on the battery power supply (96) drives the crankshaft (48) in reverse direction. And after driving in the reverse direction it drives the crankshaft (48) in the normal rotation direction where the regulator (36) has a power supply controller (128) built into the configuration to set the Current value Or the functional ratio of the supply current applied in the first period (T1) to a value greater than the rated current or the performance ratio of the applied source current in the second period (T2 ) The first period (T1) extended from the point of time at which the reverse rotation of the crankshaft (48) was initiated to the preset point of time. The second period (T2) extended from the predefined time point, the battery health determination unit (126), built into the configuration. To determine the state of the battery (96) based on the condition of the battery voltage (96) in the first period (T1) and the resulting battery voltage (116) to be generated. Up in the configuration To detect and store a certain amount of voltage on the battery (96) at least for the first period (T1), the battery voltage (116) is set to set the detection interval. The battery voltage (96) in the first period (T1) is shorter than the detection interval. The battery voltage (96) in the second period (T2) and the battery health determination unit (126) set the threshold to change the determination of availability. Low Battery For determining the fault of the battery (96) based on the engine water temperature (E), compare the lowest voltage across a certain amount of rated voltage. First period detection (T1) with change threshold determines whether the battery is low and when the lowest battery voltage is not higher than the change threshold, the low battery judgment determines whether the battery (96 ) In an unusual condition, page 2 of the number 4 2. Engine control devices (10) incorporating a controller (36) that have been built Up in the configuration to perform When the engine is started (E), it controls the reversing where the motor (70) is driven based on the battery supply current (96) drives the crankshaft (48) in the reverse direction. And after driving in the reverse direction It drives the crankshaft (48) in the normal rotation direction where the regulator (36) has a supply regulator (128) built into the configuration to set the current. Or the functional ratio of the supply current applied in the first period (T1) to a value greater than the rated current or the performance ratio of the applied source current in the second period (T2 ) The first period (T1) extended from the point of time at which the reverse rotation of the crankshaft (48) was initiated to the preset point of time. The second period (T2) that extends from the predefined time point, the motor drive processor (130), has been built into the rotational configuration. Crankshaft (48) in normal direction of rotation The rocking-back controller (120) has been built into the configuration to direct the unit. Process motor drive (130) to convert the crankshaft (48) to drive normal rotation after The second period (T2), the battery state determination unit (126), has been created in a given configuration. Determine the state of the battery (96) based on the condition of the battery voltage (96) for the first period (T1) and the resulting battery voltage (116) that was generated. In configuration To detect and store at least a certain amount of voltage on the battery (96) for the first period (T1) and to obtain the battery voltage (116) set the detection interval. The battery voltage (96) in the first period (T1) is shorter than the detection interval. The battery voltage (96) in the second period (T2) and 3. Engine control equipment (10) According to claim 2, where page 3 of the number 4, page, the source regulator (128) sets the current or the functional ratio of the supply current at Is used from the end of the second (T2) to the third (T3), during which The crankshaft (48) is driven in the normal direction of rotation. Is greater than the current value or the operating ratio Function of the supply current that has been applied for the second period (T2) 4. Engine control device (10) according to claim 3, where the third period (T3) is longer than the first period (T1). 5. Engine control devices (10), in accordance with any of the claims 1 to 4, where the supply regulator (128) sets the current or the duty ratio that has been used in The first period (T1) is the value that causes the engine piston (E) to move beyond the upper dead center, which is pumped to change position when the crankshaft (48) is driven in reverse direction. 6.The engine control device (10), according to claim 5, where the supply regulator (128) sets the current or the duty ratio that has been used in The second period (T2) is given as a value that does not cause the piston to move beyond the upper dead center. 7. Engine control device (10) according to claim 6, where the source regulator (128) sets a threshold for current or duty ratio. Of the supply current based on water temperature or engine throttle position (E) and the supply regulator (128), set the current or the rated duty ratio to be applied. In the first period (T1) is greater than the starting threshold. And set the current or the ratio Functions that were used in the second period (T2) to a value less than the threshold. 8.Engine control device (10), in accordance with any of the claims 1 to 7, where the supply regulator (128) sets the current or the duty ratio applied when starting. Drive in the normal rotation direction to a value which is essentially equal to the current value or the operating ratio Duty that has been used in the first period (T1). 9. Engine control devices (10) according to any one of claims 1 to 8 where the controller (36) has a built-in stop and start regulator (124). It comes up in the configuration to carry out automatic engine shutdown and start control, which causes the engine (E) to automatically stop while the vehicle is paused, and page 4 of the number 4 controller (36) prohibits the operation of the controller. Automatically stops and starts the engine (124) if the Battery Status Determination Unit (126) determines that the battery (96) is in abnormal condition.