JPS58201538A - Charge control microcomputer for vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION In a charging generator installed in a vehicle or the like, the present invention combines the generator and an internal combustion engine that drives the generator in order to drive the generator within an optimum constant rotational speed range. A clutch device and a transmission are provided between the two, and a rotation signal of the internal combustion engine is detected to control the clutch device and the transmission;
The present invention relates to a vehicle charging control microcomputer device that performs failure diagnosis based on information from various parts of the charging system and displays and outputs the results.

Conventional charging generators are generally driven directly by a belt or the like at a constant gear ratio by an internal combustion engine installed in a vehicle or the like.

However, in the conventional method, the output current, drive torque, and efficiency of the charging generator ms change depending on the engine speed, and the output current is insufficient in the low speed range of the engine, and the output current is insufficient in the high speed range of the engine. had the disadvantage that the output current was saturated and the loss increased rapidly.

In addition, it has the disadvantage that charging system abnormalities such as no power generation when the excitation circuit is disconnected, no control, and disconnection of the first rectified output end cannot be detected and displayed. A charging control microcomputer device is provided.

An embodiment of the present invention shown in the drawings will be described below.

In the figure, (1) is an internal combustion engine installed in a vehicle (not shown), (101) is the rotation signal output terminal of the engine, (2)
(201) is a clutch device that relays and transmits the rotational drive output of the engine (1), (201) is an input terminal for operation commands (connection, disconnection, slipping status, etc.) from a charging control microcomputer (8), which will be described later; ) is a transmission device which speeds up, decelerates and transmits the rotational drive output of υ from the clutch device (2), (3
01) is the gear ratio setting input terminal of the charging control microcomputer (8). (4) is the gear ratio setting input terminal of the gear change device (3)K.
(401) is the first rectified output terminal, (402) is the second rectified output terminal, (403) is the field coil output terminal, and (404) is the star-shaped connection (not shown). A neutral point voltage output terminal (405) that outputs information on the generated voltage at the neutral point of the turned armature coil is a ground terminal. Is (6) from the above? A voltage regulator that controls the output voltage of the It machine (4) to a predetermined value, (501) is the initial excitation terminal, (502) is the voltage detection terminal, (503) is the field coil input terminal, and (504) is the ground. Connect with the terminal. (6) is a storage battery that generates storage battery voltage information, (7) is a key switch, and (8) is a generator (4) that detects the rotation signal of the upper control (1) and within a certain rotation speed range. At the same time, the clutch device (2) and the transmission device (3) are operated so that the clutch device (2) and the transmission device (3) are driven by A charging control microcomputer that performs failure diagnosis based on information on each part of the system, (801) is a storage battery (a) If voltage input terminal (8
0g) is the second rectified output terminal (402) voltage input terminal, (8
03) is the neutral point (404) voltage input terminal, (804)
is the gear ratio setting output terminal % (805) to the transmission (3)
(80) is a rotation signal input terminal for the engine (1), (807) is a display content output terminal, (9) is a display device, (
901) is a display content input terminal.

The operation of this inventive device configured as above will be explained.

First, when starting the engine (1), when the key switch (7) is closed, the key switch (7) is activated by the storage battery (6).

Connected between the second rectified output terminal (402) of the 1 power generation 11 (4) and the field coil output terminal (403) via the initial excitation terminal (sol) of the voltage regulator (5) and the voltage detection terminal (502). The generated power @ passes through the field coil in (4),
The field coil input terminal (503) of the voltage regulator (5)
), an initial excitation current flows to the field coil in the circuit at the ground end (504), and a field magnetomotive force is generated. At this time, although not shown, a computer (8), a display device (9),
If necessary, the terminal voltage of the storage battery (6) is applied to the clutch device (2) and the transmission device (3) via the key switch (7) to start operation.

When the engine (1) is started in this state, the rotation signal of the engine (1) is transmitted through the rotation signal output terminal (101) and the rotation signal input terminal (80) of the charging control microcomputer (8).
6). Koki charging control microcomputer (
8) calculates the clutch device (2) based on the above rotation signal.
), the operation commands such as connection, disconnection, and sliding status are given through the operation command output terminal (805), and the transmission (3)
For the acceleration and deceleration gear ratios, use the gear ratio setting output terminal (
804), the starter machine (4) is controlled so that it is always driven within an optimum constant rotational speed range. When the above power generation @ (4) is driven and generates power.

The output voltage is controlled to a predetermined value by the voltage regulator (5), and the storage battery (6) is charged by the output voltage.

Next, if an abnormality occurs in the generator (4) K, such as no power generation, uncontrolled power generation, or disconnection of the first rectified output end (401), the charging control microcomputer (8) will control the charging system from each part. A failure diagnosis is performed based on the information, and the results are output to the display device (9) and displayed on the display device (9).

As described in detail above, in this invention device, a clutch device and a transmission device are provided between the engine and the charging generator, and the cough clutch device and the transmission device are controlled by a charging control microcomputer. is always driven within an optimal constant rotational speed range. As a result, problems that occur due to changes in the driving rotation speed of the generator, such as insufficient output at low speeds and increased loss at high speeds, are eliminated, and the TS can be used under suitable conditions. There is. Additionally, failure diagnosis is performed based on information from each part of the optical system, and the results are displayed and output. For this reason, conventional equipment cannot detect non-power generation, no control, or
This has the effect of detecting and displaying abnormalities such as rectified output end disconnection. In addition, the display device makes it possible to output messages for each abnormality, which is effective in shortening repair time.

In the present invention, the generated voltage information is detected from the neutral point (4O<) of the armature coil.

Even if the second rectified output end (402) or the one-phase output end of the S* child coil is detected, the above! 1! It has the same effect as the example.

[Brief explanation of drawings]

The drawing is an electrical circuit diagram showing an embodiment of the present invention. In the figure, (1) is the internal combustion engine, (2) is the clutch device, and (3) is the internal combustion engine.
) is a transmission, (4) is a charging generator, and (5) is a voltage regulator. (6) is a storage battery, (7) is a key switch, (8) is a charging control microcomputer, and (9) is a display device. Agent Makoto Kuzuno

Claims (1)

[Claims] A clutch device that transmits the rotational drive output from the engine, a transmission device that accelerates or decelerates and transmits the rotational drive output of the clutch device, a charging generator driven by the transmission, and charging using the output of the charging generator a storage battery, a voltage regulator that controls the output voltage of the charging generator to a predetermined value, a rotation signal from the engine, and gives operation commands (connection, disconnection, slipping state, etc.) to the clutch device; A gear ratio setting command is given to the transmission device to control the charging generator so that it is always driven within a constant rotational speed range, and information on the terminal voltage of the storage battery and generated voltage information and output of the generator is given. A charging control microcomputer device for a vehicle, comprising a charging control microcomputer/computer that performs failure diagnosis based on information on each part of the charging system including voltage information, and a display device that displays diagnostic result information of the charging control microcomputer. .