JPS63176661A - Automatic starter for vehicle - Google Patents

Abstract

PURPOSE:To permit the comfortable drive by automatically starting an engine by installing an electronic controller for controlling an engine and collating the information supplied from the built-in circuits and the set data in a calendar timer. CONSTITUTION:An electronic controller 10 for controlling an engine is installed, and a plurality of input circuits 13-19, a plurality of output circuits 21-23, and a calendar timer 20 are installed into the electronic controller 10, and the engine is automatically started by a collating the information of the input circuits 13-19 and the set data in the calendar timer 20. Therefore, when the starting time is fixedly set as on office going time, the engine can be started automatically in conformity with the office going time, and warming of an engine system can be carried out, and also air conditioning can be started, and the comfortable drive is permitted.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic starting device for a vehicle that can automatically start the engine of a vehicle at a set time.

(Prior Art) A conventional vehicle starting system is configured as shown in FIG.

In the figure, 1 is a starter, 2 is a starter switch, 3 is a battery, 4 is a fuse, and 5 is an ignition switch.Normally, in order to start the engine of a vehicle, the driver operates the ignition switch 5 and switches the starter 1
It is configured to rotate and drive the engine.

By the way, conventionally, as a type of ignition switch 5 that does not directly operate the ignition switch 5, a person uses a transmitter to transmit radio waves, a receiver in the vehicle receives the radio waves, and the output signal of the receiver is Based on this, the ignition switch 5 is operated to start the vehicle engine from outside the vehicle.

(Problems to be Solved by the Invention) However, with the conventional device described above, it is difficult to start the engine in places where radio waves cannot reach, such as remote locations or garages with metal shields. Even if it is possible to start the vehicle, since the engine is operated by a person, the engine may start later than scheduled, and the battery may not be sufficiently charged during warm-up during commuting or when the vehicle is left unattended. there were.

(Means for Solving the Problems) The present invention provides an electronic control device for controlling an engine, and the electronic control device includes a plurality of input circuits, a plurality of output circuits, and a calendar/timer. The engine is automatically started by comparing the information from the circuit with the setting data of the calendar/timer.

(Operations and Effects of the Invention) According to the present invention, as described above, the engine is automatically started by comparing the information from the input circuit with the setting data of the calendar/timer, so that the engine is started automatically when commuting. In cases where the departure time is fixed, such as when the departure time is fixed, the engine can be started automatically in time for dispatch, the engine system can be warmed up, and the air conditioning can also be operated, so you can enjoy a comfortable drive. It can be carried out. Additionally, if the vehicle is often left unattended, such as a Sunday driver, the system can automatically prevent battery discharge and keep the engine system in good condition by starting the engine.

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a schematic configuration diagram of a starting system of a vehicle showing an embodiment of the present invention, and FIG. 2 is a block diagram of an electronic control device of a vehicle showing an embodiment of the present invention.

In the figure, IO is an electronic control unit (ECU), and the circuit is configured so that the same function as that of operating the ignition switch 5 can be performed by setting the calendar timer 20.

Here, this electronic control device 10 is a central processing unit (CP).
TJ) 11, +B (battery voltage) input circuit 13, switch input circuit 14 into which the set switch, commuting mode or idle mode changeover switch, and remaining fuel level signals are input, engine speed input circuit 15, ACC input circuit 16, IG1 input circuit 17, IG2 input circuit 18, S
TI input circuit 19, calendar timer 20, IGI output circuit 21 connected to the regulator system, IG2 output circuit 22 connected to the ignition system, STI connected to the starter system
It is composed of an output circuit 23 and the like.

Hereinafter, the operation of this automatic starting device for a vehicle will be sequentially explained with reference to a flowchart.

First, FIG. 3 is a main flowchart of the operation of this automatic starting device for a vehicle.

■Initial settings (Commuting mode, Idle mode, C0NTR (
control mode of the electronic control unit), all retries are canceled to state "0"].

- Determine whether or not the fuel lamp (a warning lamp that lights up when the remaining fuel level falls below a predetermined value) is on.

■If the fuel lamp is not on, set the data (see Figure 6 for the data center subroutine).

■Determine whether the key check is "1" or not.

■As a result, if the key check is "1", the try is set to "0".

(2) Determine whether the number of retries (RETRY) reaches the number n+ (for example, three times).

■If the number of retries is n or less, determine whether the commuting mode switch is on.

■If the commuting mode switch is on, the process moves to the commuting mode subroutine (see Figure 4).

■If the commuting mode switch is off in (2) above, it is determined whether the leave switch is on.

[Phase] If the leave switch is on, the process moves to the leave mode subroutine (see FIG. 5).

■If the fuel lamp is on in the above ■, if the number of retries is n3 or more in the above ■, or if the idle switch is off in the above ■, the C0NT
l? It is determined whether or not is "1".

If @C0NTR is 1'', turn off IGI and IG2.

[Phase] Turn off IGI and IG2 at above @, or if C0NTR is not ul'' at above 0, set commuting and idle mode to O'', and return to above ①.

Next, the flowchart of the commuting mode subroutine is shown in the fourth section.
This will be explained with reference to the figures.

■Determine whether or not the device is in idle mode.

OIf it is not in idle mode, set commuting mode to “1”
Make it.

[Phase] Determine whether C0NTR is "1".

[Phase] If C0NTR is "1", timer 1 is read.

[Phase] Setting time T of that timer 1 (for example, 5 minutes)
Determine whether it has been reached.

[Phase] If the set time T of timer 1 has been reached, timer 1 is stopped.

@Turn off IGI and IG2.

[Phase] Set to C0NTRt-0''.

[Phase] In above ■, if the idle mode is selected, C
It is determined whether 0NTR is "1".

[Phase] When C0NTR is “1”, IGI and I
Turn off G2.

■Stop timer 2.

■Set the commuting and idle mode to “0” and return to the above [phase].

(2) In the above [phase], if C0NTR is not 1'', it is determined whether or not timer 3 is running.

■If the timer 3 is running, stop it.

(2) If C0NTR is not "1" at 0 above, read the day of the week.

■Read the day of the week data.

■Determine whether the day of the week data is set.

(2) If the day of the week data is set, determine whether the key check is "1".

■If the key check is not "1", read the current time TH.

- Determine whether the current time T has passed the day of the week data.

(2) If the current time TN has passed the day of the week data, it is determined whether the current time T is within T5 (for example, 3 minutes) from the day of the week data.

@As a result, if the current time TN is within 16 from the day of the week data, the process moves to the engine start subroutine (see FIG. 7).

Next, the flowchart of the idle mode subroutine is shown in the fifth section.
This will be explained with reference to the figures.

■Determine whether the commuting mode is "1".

■If commuting mode is not "1", set it to idle mode.

(2) Determine whether C0NTR is 1''.

(2) If C0NTR is "1", timer 1 is read.

(2) Determine whether the set time T6 (for example, 15 minutes) of the timer 1 has been reached.

(2) When the set time T6 of timer 1 is reached, timer 1 is stopped.

◎Turn off IGI and IG2.

@C0NTRfc Set to ``O''.

■Clear and start timer 3.

■In the above @, if the commuting mode is "1", it is determined whether C0NTR is "1".

As a result, if C0NTR is 1'', IGI and IG2 are turned off.

Stop O timer 1.

(2) Stop timer 1 at O above, or set commuting mode and C0NTR to 0'' if C0NTR is not "1" at @ above, and return to O above.

@In the above (2), if C0NTR is not 1'', it is determined whether the battery voltage (10B) has reached a predetermined voltage vI.

(2) As a result, if the battery voltage (10B) has not reached the predetermined voltage V, the timer 3 is read.

(2) Determine whether the set time T of the timer 3 (for example, 4 hours) has been reached.

@When the set time T7 of the timer 3 has been reached, it is determined whether the key check is "1".

- If the key check is not "1", the process moves to the engine start subroutine (see FIG. 7).

■Stop timer 3.

Next, a flowchart of the data set subroutine will be explained with reference to FIG.

■Determine whether or not the set switch is pressed.

■If the set switch is pressed, the day of the week is read.

■Day of the week data (for example, Monday to Friday 7:30)
Set.

(2) If the day of the week data is set, or if the set switch is not pressed in the above case, the process moves to the manual check subroutine (see FIG. 8).

Next, a flowchart of the engine start subroutine will be explained in detail with reference to FIG.

@Turn on IGI, IC2 and STI.

■Clear and start timer 2.

(2) Determine whether or not the set time T2 (for example, 3 seconds) of the timer 2 has been reached.

■When the set time T2 of timer 2 is reached, turn off the STI.

■Read the engine speed.

■Determine whether the engine is rotating or not.

■As a result, when the engine is rotating, C0N
Set TR to “1”.

■Set RETRY to 0''.

■ Clear and start timer 1.

■If the engine is not rotating in ■ above, I
Turn off GI and IC2.

■Add 1 to RETRY.

Next, a flowchart of the manual check subroutine will be explained with reference to FIG.

(2) Determine whether C0NTR is "1".

(2) If C0NTR is "1", it is determined whether ACC is on.

[Stocks] If ACC is on, key check is set to u1''.

■If C0NTR is not “1” in the above @^
Determine whether CC, IGI, or IC2 is on.

Note that if any of ACC, IGI, and 'IG2 is on, the process returns to step (2) above.

(2) If ACC is not turned on in (2) above, or if none of ACC, IGI, and IC2 are turned on in (2) above, the key check is set to "0".

Next, other embodiments of the present invention will be described.

FIG. 9 is a block diagram of a vehicle electronic control device showing another embodiment of the present invention.

In this embodiment, compared to the first embodiment described above, the switch input circuit 14 is configured to receive a signal from the cancel switch 24, and the main flowchart 1 and data set described below are Although the subroutines are different, the other subroutines for commuting mode, idle mode, engine start, and manual check are common.

Next, the main flowchart of this embodiment will be explained with reference to FIG.

■Initial settings [Commuting mode, idle mode, C0NTl?
.

Retry “O”].

■Determine whether the cancel switch is on or not.

[Phase] If the cancel switch is on, it is determined whether the fuel lamp is on or not.

[Phase] If the fuel lamp is not on, the process moves to the data subroutine (see FIG. 11).

■Determine whether the key check is 1".

■If the key check is “1”, try the beam O”
shall be.

If O retry is “0” or key check is not “1”, set retry count nl (for example, 3 times)
Determine whether it has been reached.

■If the set number of retries, n, has not been reached, it is determined whether the commuting switch is on.

[Phase] If the commuting switch is on, the process moves to the commuting mode subroutine (see FIG. 4).

■If the cancel switch is off in the above ■, if the fuel lamp is on in the above [phase], if the set retry count n has been reached in the above O, or if the idle switch is not turned on in the [phase] described below. Then, it is determined whether C0NTR is "1" or not.

■If C0NTR is 1″, IGI, IG2
Turn off.

■When IG'l and IG2 are turned off and when C0NTR is "1" in the above [phase], the commuting mode and idle mode are set to "0".

O If the commuting switch is not turned on in the above [phase], it is determined whether the idle switch is turned on.

② If the leave switch is on, the process moves to the leave mode subroutine (see FIG. 5).

Next, a flowchart of the data center subroutine of this embodiment will be explained with reference to FIG.

15ゝ [Phase] Manual check subroutine (see Figure 8)
Execute.

[Stocks] Determine whether key check is "1".

[Phase] If the key check is “1”, the current time T
Load N.

[Phase] Determine whether it is the first turn on today.

■Setting the time limit (T3<TN<Tt: For example, T
3 at 6 o'clock and T4 at 9 o'clock).

■Read the day of the week.

[Phase] Read the day of the week data.

■Determine whether the day of the week data is set.

[Phase] Set the average of the set data and current time TN.

○If the day of the week data is not set in the above (■), set the current time T.

The operation flow is as described above, but the important work elements are listed below: (1) As shown in Figures 3 and 10, when the fuel lamp is on, the electronic control unit 10 The engine will not run from this point on.

(2) To prevent over-discharge of the battery,
As shown in Figure 0, engine start attempts are made within a predetermined number of times. Note that even if the number of times exceeds the number, if a person gets on the vehicle, the number of times is canceled and the original control can be restored.

(3) As shown in FIGS. 4 and 5, in both the commuting mode and the idle mode, the engine is turned on for a certain period of time as long as no one rides the vehicle.

(4) As shown in FIG. 5, in the idle mode, the engine will not be driven even if the battery voltage is low until a certain period of time has elapsed after the engine is turned off.

(5) Regarding the setting of the engine start time in the commuting mode, in the first embodiment, as shown in FIG. 6, (a) Press the button to set the commuting time.

(b) Commuting time data is the data at the time of the last press.

In the second embodiment, the commuting time is automatically detected, and the contents are (a) as shown in FIG. 11, the first engine-on of the day is used as data. However, the data must be within a certain fixed period of time.

(b) It has a cancel switch.

With this configuration, when the departure time is fixed, such as when commuting, the engine can be automatically started according to the dispatch time, warm up the engine system,
Furthermore, the air conditioning can be turned on before the start, so you can enjoy a comfortable drive.

In addition, if the vehicle is often left unattended, such as a Sunday driver, it is possible to automatically prevent the battery from discharging and keep the engine system in good condition by starting the engine.

Furthermore, when the fuel lamp is on, the electronic control unit 10 does not drive the engine, which prevents abnormal fuel loss and is safe.

Furthermore, since the engine start attempts are made within a predetermined number of times, over-discharge of the battery can be prevented.

Note that the present invention is not limited to the above embodiments,
Various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.

[Brief explanation of the drawing]

Fig. 1 is a schematic overall configuration diagram of a starting system for a vehicle showing an embodiment of the present invention, Fig. 2 is a block diagram of the electronic control device of the vehicle, and Fig. 3 is the main operation of the automatic starting system for the vehicle. Flowcharts, FIG. 4 is a flowchart of the commuting mode subroutine of the present invention, FIG. 5 is a flowchart of the idle mode subroutine of the present invention, FIG. 6 is a flowchart of the data center subroutine of the present invention, and FIG. 7 is a flowchart of the engine start subroutine of the present invention. Flowchart of the subroutine, FIG. 8 is a flowchart of the manual check subroutine of the present invention, FIG. 9 is a block diagram of a vehicle electronic control device showing another embodiment of the present invention, and FIG. 10 is a second embodiment of the present invention. Figure 11 is the main flowchart of the data set subroutine, Figure 1.
FIG. 2 is a schematic overall configuration diagram of a conventional vehicle starting system. 10...Electronic control unit (ECU), 11...Central processing unit (CPU), 13...10B (battery voltage)
Input circuit, 14...Switch input circuit, 15...Engine speed input circuit, 16...^CC input circuit, 1
7...IG1 input circuit, 18...IG2 input circuit,
19... STI input circuit, 20... Calendar/timer, 21... IGI output circuit, 22... IG2 output circuit, 23... STI output circuit, 24... Cancel switch.

Claims (5)

[Claims] (1) An electronic control device is provided to control the engine, and the electronic control device includes a plurality of input circuits, a plurality of output circuits, and a calendar/timer, and receives information from the input circuit and settings of the calendar/timer. An automatic starting device for a vehicle, characterized in that the engine is automatically started by comparing the data with the data. (2) The automatic starting device for a vehicle according to claim 1, wherein the input circuit includes a switch circuit that can select between a commuting mode and an idle mode. (3) The automatic starting device for a vehicle according to claim 1, wherein the input circuit includes a switch circuit for monitoring the remaining amount of fuel. (4) The automatic starting device for a vehicle according to claim 1, wherein the input circuit includes a circuit for monitoring battery voltage. (5) The automatic starting device for a vehicle according to claim 1, wherein the input circuit includes a circuit for monitoring engine speed.