JP2000335369A - Idling maintaining device with vehicle anti-theft function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle anti-theft function on an idling maintaining device mounted on a vehicle. SOLUTION: An idling maintaining device to maintain the idling condition of an engine for a specified time after an ignition switch 8 of a vehicle having a turbocharger in which the turbocharger is provided with the engine mounted on the vehicle is provided with an input means to input a first password code, a storage part 3 to store a second password code, and a control means 1 to judge whether or not the first password code is agreed with the second password code and permit the start of the engine when agreed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an idling maintenance device for maintaining an idling of an engine mounted on a vehicle for a predetermined time after an ignition switch is turned off.

[0002]

2. Description of the Related Art In a supercharged vehicle having a supercharger (turbocharger and supercharger) in an engine mounted on the vehicle, after a long period of high-speed running or running on a mountain road, etc. Since the turbine is at a high temperature and is rotating at a high speed, if the engine is stopped in this state, there is a fear that the turbine may seize, and the turbine is disclosed in Japanese Patent Publication No. 62-626.
An idling maintaining device that maintains idling until the turbine rotates at a low speed has been proposed.

[0003]

By the way, in order to start the engine of the vehicle, an ignition switch is provided by using a mechanical cylinder key (hereinafter referred to as a key) provided only to an authorized user of the vehicle. Is turned on to start the engine. However, since the key is easy to duplicate, damage to the vehicle is frequent. Therefore, the above-described idling maintaining device also has a function of preventing the vehicle from being stolen instead of maintaining the idling of the engine mounted on the vehicle only for a predetermined time after the ignition switch is turned off. Is desired.

Therefore, the present invention provides an idling maintenance device with a vehicle anti-theft function having a high anti-theft effect by providing new means to the idling maintenance device.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a vehicle equipped with a supercharger and an engine mounted on the vehicle, the ignition switch being turned off for a predetermined time after the ignition switch is turned off. An input means for inputting a first password code, a storage unit for storing a second password code, and the first password code and the second password code are input to an idling maintaining device for maintaining the idling of the engine. Control means for judging whether or not the two match, and permitting the start of the engine when the first code and the second code match.

Further, the input means comprises switch means.

[0007] Further, a notification unit is provided in the idling maintaining device.

Further, the second password can be changed by the input means.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an idling maintenance device with a vehicle anti-theft function according to an embodiment of the present invention;

FIG. 1 is a block diagram showing an electrical configuration of the present apparatus. The idling maintaining apparatus with a vehicle anti-theft function according to the embodiment of the present invention comprises a control unit 1, an input unit 2, a storage unit 3, , Display unit 4, notification unit 5, and power output unit 6.

The control means 1 includes a CPU for calculating a control processing program, a ROM for storing the control processing program and each set value, a calculation result by the CPU, and a first input from an input means 2 described later in detail. It comprises a RAM for temporarily storing information such as a recitation code and a voltage signal 7 from the alternator to detect the operating state of the engine, and an input / output interface.

The control means 1 includes an input means 2, a storage unit 3, an ignition switch 8, a starter switch 9,
The start and stop of the engine are determined based on information from the voltage signal 7, and a control signal described later is output to the power output unit 6 and the starter motor 10. In addition, the control unit 1 outputs a control signal for displaying the idling maintenance time, the first recitation code input by the input unit 2, and the like on the display unit 4.

The control means 1 includes a battery power supply 11
Is converted into a drive voltage by the regulator 12 and input. The control means 1 detects the on / off state of the ignition switch 8 and the starter switch 9 by connecting the ignition switch 8 and the starter switch 9 via the first and second power supply state detection units (13, 14). I do.

As shown in FIG. 2, the input means 2 comprises a plurality of push-button switches (switch means) 2a. When the vehicle driver presses the switch 2a, the first and second switches are switched. 2 can be input and set. By pressing the mode switch 2b, the input state can be switched between a first password code input state, a second password code change state, and an idling maintenance time setting state.

The storage unit 3 includes a backup RAM and an E $ 2
It is composed of a non-volatile memory such as a PROM, and stores the order of pressing operation by each switch 2a or the procedure such as the number of times of each switch 2a as a second recitation code by an authorized vehicle user. This second recitation code is stored as recitation code data such as a binary number.

The display unit 4 is, for example, a liquid crystal display (hereinafter, referred to as a liquid crystal display)
4a), and is connected to the control means 1 via the drive circuit 4a. The LCD 4a receives the control signal from the control means 1 and digitally displays the idling maintenance time, the first recitation code input status, and the like.

The notifying section 5 is composed of, for example, an LED 5 and is connected to the control means 1 via a drive circuit 5b. When the engine of the vehicle is stopped, the notifying section 5 displays, for example, a blinking signal to notify that the vehicle has an anti-theft function. It is.

The power supply output section 6 is constituted by, for example, a relay which operates in accordance with a command from the control means 1, and when the idling is maintained after the ignition switch 8 is turned off.
The power supply voltage and the accessory power supply are output to the vehicle side.

The ignition switch 8 switches the ignition switch 8 on and off by inserting a vehicle-specific key into the keyhole at the ignition off position and rotating the key from the ignition off position to the ignition on position. The starter switch 9 turns on / off the starter switch 9 by rotating the key at the ignition-on position to the starter-on position.

Next, an external view of the case K of the idling maintenance device with a vehicle anti-theft function will be described with reference to FIG. The case K is composed of an upper cover K1 and a lower cover K2,
A wiring portion H is provided on the back side of the lower case K2, and the display panel P is formed on the front side of the lower case K2. An LCD 4a, a switch 2a, a mode switch 2b, and an LED 5 are attached to the display panel P, respectively.

On the display panel P, four switches 2a are arranged at a predetermined interval, and an LCD 4a is arranged beside the switches 2a.
It is configured to be visible by D4a.

In the display panel P, the LED 5a
For example, when the vehicle is stopped, it is possible to notify that the vehicle has the anti-theft function especially at night or in a dark place.

The switch 2a is not operated only when the first recite code is input, but is also used, for example, when setting the idling maintaining time or when determining or changing the second recite code. Can be used.

As described above, the control means 1 receives information from the plurality of switches 2a before the engine is started, and controls the engine based on the information. The processing method in the control means 1 is shown in FIG. This will be described with reference to FIG.

The control means 1 detects whether or not the ignition switch 8 is on (step S1).

When the ignition switch 8 is turned on, the control means 1 outputs the power supply voltage and the accessory power supply to the vehicle side, and makes the operation of each switch 2a effective. The driver can input the first recitation code in this state.

When the first recite code is inputted by each switch 2a, the control means 1 sets a preset memory unit 3
It is determined whether or not the second recitation code stored in the starter switch 9 matches the second recitation code (Step S2). Make the operation valid.

The control means 1 detects the ON state of the starter switch 9 (step S3) and outputs a start signal to start the starter motor 10. (Step S4)

The control means 1 determines whether or not the engine has been operated, for example, based on a voltage signal 7 corresponding to the voltage output from the alternator (step S5). If the engine has not been operated, step S2 is performed again. And it is possible to repeatedly execute steps S2 to S5 until the engine is started.

When the engine is stopped, the control means 1
It is determined whether or not the ignition switch 8 is off (step S6). If the ignition switch 8 is off, the first recitation code temporarily stored in step S2 is cleared (step S7). The power supply voltage and the accessory power supply are supplied to the power supply output unit 6 in accordance with the idling maintaining time set in advance by each switch 2a.
(Step S8).

The above-described processing method is performed after identifying whether or not the vehicle is an authorized user of the vehicle by the key and the first and second recitation codes, which is effective in preventing theft.

The control means 1 controls the first security code input state, the second security code input state,
The input state can be switched, for example, the reciting chord change state, the idling maintaining time setting state, and the like.
In the reciting code change state, the new second reciting code can be updated only after the second reciting code previously stored in the storage unit 3 is once input, so that the second reciting code can be illegally changed. Is not changed.

As described above, the idling maintaining apparatus with the vehicle anti-theft function according to the embodiment of the present invention does not simply maintain the idling of the engine for a predetermined time after turning off the ignition switch, but instead of maintaining the idling of the engine for a predetermined time. In order to start the engine, it is necessary to check the first recitation code and the second recitation code, thereby restricting the start of the engine. Therefore, it is possible to prevent the vehicle from being stolen. Further, by adding the above-described function to the idling maintenance device, the idling maintenance device and the vehicle anti-theft device do not have to be provided in combination, and the installation work can be simplified for a user who wants both devices. it can. In addition, the commercial value of the idling maintenance device can be improved.

In the operation confirmation of the engine according to the embodiment of the present invention (step S5), the voltage signal 7 based on the voltage output from the alternator is used. Or a noise output from the battery power supply 11 may be used.

Further, in the embodiment of the present invention, the recitation code is confirmed after the ignition switch 8 is turned on. However, in the present invention, the operation until the engine is started is conditioned and regulated. For example, the first reciting code may be input before the ignition switch 8 is turned on, and if it does not match the second reciting code, the ignition may not be turned on.

Further, in the embodiment of the present invention, the idling maintaining time is manually selected as a predetermined time, but the control means 1 controls the engine speed,
The control means 1 may automatically obtain the optimum idling maintenance time for preventing the seizure of the turbine from the vehicle speed, the running time, the supercharger pressure and the like.

In the embodiment of the present invention, the start of the cell motor 10 is performed by key operation. However, the start may be performed by the input means 2. The engine may be started only by operating each switch 2a according to the procedure, or a new switch (not shown) may be provided.

The input means 2 is not limited to the operation of each switch 2a as in the embodiment of the present invention. For example, a numeric keypad or a dip switch may be used.

In the embodiment of the present invention, the control means 1
Although the LED 5 is turned on and off via the drive circuit 5b, a blinking control circuit may be directly connected from the battery power supply to make the LED blink.

[0040]

According to the present invention, there is provided an idling maintenance device for maintaining the idling of the engine for a predetermined time after turning off an ignition switch of a supercharged vehicle having a supercharger in an engine mounted on the vehicle. Input means for inputting a code, a storage unit for storing a second password code,
It is determined whether or not the first reciting code and the second reciting code match, and the first reciting code and the second
By providing the control means for permitting the start of the engine when the recitation code matches, it is possible to suppress the vehicle from being stolen. Further, by adding the above-described function to the idling maintaining device, the idling maintaining device and the vehicle anti-theft device do not have to be provided in combination, and the installation work can be simplified for a user who wants both devices. it can. In addition, the commercial value of the idling maintenance device can be improved.

Further, since the input means comprises switch means, it is possible to provide an idling maintenance device with a vehicle anti-theft function capable of inputting a recitation code by a simple operation.

Further, by providing the idling maintaining device with a notifying unit, it is possible to notify that the vehicle is equipped with an anti-theft function especially at night or in a dark place.

Further, since the second password can be changed by the input means, the second password can be changed to a second password which is easy for the authorized user to remember.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of an idling maintenance device with a vehicle theft prevention function according to an embodiment of the present invention.

FIG. 2 is an external perspective view of the vehicle antitheft device according to the embodiment.

FIG. 3 is a control flowchart of the vehicle antitheft device according to the embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Control means 2 Input means 2a switch 3 Storage part 5 LED (notification part) 8 Ignition switch

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) F02P 11/04 301 F02P 11/04 301C F-term (Reference) 3G019 AA06 AC03 CB07 DC06 KD13 3G084 BA07 BA16 BA33 CA01 CA03 DA00 EB06 EB22 FA03 FA33 FA36 3G092 AA18 BA08 CA01 EC09 FB10 GA01 GA04 HE01Z HF01Z HF19Z HF20Z 3G301 HA01 HA11 JA00 KA01 KA07 NC01 PE01Z PF12Z PF16Z

Claims (4)

[Claims] An idling maintenance device for maintaining an idling of the engine for a predetermined time after turning off an ignition switch of a supercharged vehicle having a supercharger in an engine mounted on the vehicle is first recited. Input means for inputting a code, a storage unit for storing a second password code, and determining whether or not the first password code and the second password code match each other; And a control means for permitting the engine to start when the second recitation code matches with the second recitation code. 2. The idling maintenance device with a vehicle anti-theft function according to claim 1, wherein the input means comprises a switch means. 3. The idling maintenance device with a vehicle anti-theft function according to claim 1, wherein a notification unit is provided in the idling maintenance device. 4. The idling maintenance device with a vehicle anti-theft function according to claim 1, wherein the second security code can be changed by the input means.