RU2668005C1 - Signal-blocking device for a vehicle - Google Patents

Abstract

FIELD: automotive industry.SUBSTANCE: invention relates to the vehicle driving control devices. Signal-blocking device for the car contains a limit switch, a sound emitter and a light indicator. Limit switch is a fuel tank opening sensor and is connected to the controller input. Outputs of the controller are connected to the electronic engine control unit, the speaker and to the light indicator.EFFECT: improved safety when refueling a car is achieved.1 cl, 1 dwg

Description

Signaling blocking device for a car

The invention relates to safety when operating vehicles, and in particular to warning devices and blocking engine operation during fueling of a vehicle.

At gas stations, after refueling a car, drivers often forget to remove the fuel hose with a gun from the fuel filler neck and insert it back into the fuel dispenser jack. In this case, after the start of the car’s movement, the fuel hose of the gun and the car itself are damaged, explosion and fire are possible. In addition, the rules for the technical operation of gas stations provide that, for safety reasons, the engine of a refueling vehicle must be turned off during fueling. However, drivers often forget to turn off the engine. Thus, there is a need for a device that would alert the driver of an unclosed fuel tank, the presence of a fueling gun in the socket of the fuel tank and the need to turn off the engine, as well as turn off the engine automatically before starting to refuel the car.

A device for protecting a gas tank from fuel theft is known, for example, from the article “Installing an additional sensor (reed switch) on the gas tank flap” (available on the Internet, URL http://stchemaavto.rf/ustanovka-dopolnitelnogo-datchika-gerkona-na -lyuchok-benzobaka.html, publication date 11/25/2014). The device contains an alarm sensor on the gas tank flap connected to the limit switch of the tailgate, while the sensor is a reed switch containing a reed switch and a permanent magnet and acts as a limit switch. The disadvantage of the device described above is that it turns on the light and sound signaling only when the car is on guard, and does not prevent the car from moving with the refueling gun not removed from the tank. The device is not intended for muffling the car engine. Such a device does not provide safety when refueling a vehicle.

According to the application for the invention RU 2011127794 (published on November 20, 2013), an alarm is known about a fueling gun forgotten in the neck of the fuel tank. The alarm is activated when the fuel filler flap is open. The alarm is mounted on a gas station column and turns on when the gun is disconnected from the column, and turns off when it is returned to its place. The disadvantage is the placement of an alarm on the column, in which a distracted driver, sitting in the car after filling the tank, can start moving without hearing the alarm outside the car. The disadvantage of this solution is that it only includes an alarm and does not turn off the car engine when refueling. This technical solution does not provide sufficient security when refueling a car, and does not ensure reliable operation of the car itself due to the possibility of damage to elements of its fueling system.

As the closest analogue to the claimed technical solution, the car’s safe start system was selected according to patent document CN105150846 (publ. December 16, 2015). The car’s safe start system contains a microprocessor that is connected by inputs to the alcohol sensor, seat belt sensors, car door open sensors, fuel tank open sensor on the fuel cap, neutral sensor, outputs - with a voice module, with a screen display module, with an electronic engine control unit second, in turn, is connected with the ignition switch and fuel switch. A limit switch has been used as a fuel tank opening sensor on the fuel tank cap. When the contacts of the limit switch are closed or opened, the corresponding signal is supplied to the microprocessor. The system operates as follows. When starting the car, when the ignition key is in the “ON” position, a signal, for example, from the fuel tank open sensor on the fuel tank cap is fed to the microprocessor, and if the fuel tank cap is open, the engine cannot be started, the speaker and a light indicator warns the driver about the open fuel tank cap. After starting the car and in the process of movement, the microprocessor checks the status of the sensor every 30 seconds, and in case of discrepancies, through the speaker and light indicator warns the driver about the open fuel tank cap. If the driver has not taken any measures within 3 minutes, the microprocessor sends a signal through the electronic engine control unit to the ignition switch and fuel supply switch, the engine is shut off. This technical solution is selected for the closest analogue of the claimed invention. The disadvantage of the device described above is that in the case when the car is at the gas station and the engine is not turned off, the system will shut off the engine only 3 minutes after opening the fuel tank cap, if the driver does not hear the warning signal of the speaker and does not see the indicator light and does not shut off the engine. Another disadvantage is the placement of the fuel tank open sensor on the fuel tank cap. With the fuel tank cap open, the filling gun can be inserted into the fuel tank, and within 3 minutes before the engine shuts off, the driver may begin to move for some reason, which may result in damage to the hose of the filling gun, the gun itself, and the fuel tank inlet check valve, car body or gas station. The probability of such breakdowns leads to insufficient reliability of the car, and insufficient safety of the process of refueling the car.

The objective of the present invention is to provide a signal-blocking device for a car, which ensures safety when refueling a car with fuel.

The technical result of this invention is to increase safety when refueling a car, increasing the reliability of the car.

To achieve the specified technical result in a signal-blocking device for a car containing a limit switch, a sound emitter, a light indicator, according to the invention, the limit switch is a sensor for opening the fuel filler flap and is connected to the controller input, the controller outputs are connected to the electronic engine control unit, with speaker and with indicator light.

In the particular case of the invention, the sound emitter and indicator light may be located on the dashboard of the car.

The technical result is ensured by the fact that the limit switch interacts directly with the hatch of the fuel tank, and all signal-blocking actions begin immediately after opening the hatch. This completely eliminates the unnoticed presence of the refueling gun in the fuel tank. The connection of the limit switch with the controller, which in turn is connected to the electronic engine control unit, with a sound emitter and with a light indicator allows you to turn off the engine and turn on warning signals immediately after opening the engine hatch. Thus, the reliability of the car is increased by eliminating damage to the neck of the fuel tank, valve, cover, hatch or car body. Improving safety is due to the fact that damage to the hose of the refueling gun, column and the gun itself is eliminated, which prevents explosive situations.

The figure shows a diagram of a signal-blocking device for a car.

The signal-blocking device for a car comprises a fuel tank flap 1 of a car 2, a controller 3, a limit switch 4, a sound emitter 5, a light indicator 6, an electronic engine control unit 7 connected to the engine 8.

The device operates as follows.

A limit switch 4, for example, a push-button, preferably normally closed, but can be used normally open, is installed on the fuel filler flap 1 of automobile 2. It is also possible to use other limit switches or sensors suitable for this purpose. When the door 1 is opened, the contacts of the limit switch 4 open or close, depending on the setting, the signal from the limit switch 4 is sent to the controller 3 to open the door 1. The controller 3, equipped with special software, sends a signal to turn on the sound emitter 5, made, for example, in the form of a speaker, and a light indicator 6 and at the same time sends a signal to the electronic engine control unit 7 to turn off and block the operation of the engine 8. Sound emitter 5 and light indicator 6, which are placed on the dashboard 2, begin to issue alarms. The electronic engine control unit 7 turns off the engine 8 and blocks its inclusion until the limit switch 4 is in the open (closed) position, and the hatch 1 is not closed. After closing the door 1, the speaker 5 and the indicator light 6 are turned off, the engine 8 is unlocked. The driver can then start the engine 8 and start moving. As a sound emitter 5 and a light indicator 6, a speaker and a warning light indicator about an unfastened belt or an open door of the car, which are included in the general security system of the car, can be used. One skilled in the art will recognize that any suitable device of the same purpose can be used as the sound emitter 5 and the light indicator 6. Elements of the device can be electrically connected using wires or have a wireless connection. The elements of the device can be powered by a separate power source or from the power sources already available in the car 2.

The claimed technical solution of the signal-blocking device for the car can be implemented in industrial production using standard equipment and technologies. In the manufacture of standard products are used.

Thus, the claimed invention allows to increase safety when refueling a car with fuel, to increase the reliability of the car.

Claims (2)

1. A signal-blocking device for a car, comprising a limit switch, a sound emitter, a light indicator, characterized in that the limit switch is a sensor for opening the fuel filler flap and is connected to the controller input, the controller outputs are connected to the electronic engine control unit, speaker and light indicator. 2. The signal-blocking device for a car according to claim 1, characterized in that the sound emitter and light indicator are located on the dashboard of the car.

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