KR101055674B1 - Reverse electric operation mistake prevention system and method - Google Patents

Abstract

The present invention relates to a system and method for preventing a reverse electric operation mistake, comprising: a driving switch for selecting a mode for manual operation or automatic operation of an electric vehicle, a weekly controller and a reverse electric motor for controlling the reverse and braking of the electric vehicle, and A vehicle control device for monitoring a mode signal for automatic operation and a direction signal of the reverse electric machine from a driving switch, and a control signal of the vehicle control device when a mode signal for automatic driving is input from the driving switch. According to the present invention, there is provided a reverse electric operation mistake prevention system comprising a holding means for holding an initial direction signal of a reverse electric machine, and a method for preventing operation mistake using such a system.

According to the present invention, even if the position of the reverse electric station is changed by mistake or accident while the electric vehicle is running in the automatic mode, the direction signal of the reverse electric machine is not changed and thus the emergency braking is prevented. In particular, it is possible to prevent the emergency braking caused by the driver's mistake, etc. There is also an effect that can prevent a safety accident, such as falling passengers and injured during emergency braking.

Reverse electric

Description

Reverse control error prevention system and method {miss control prevention system of Direction Controller and the method}

The present invention relates to a system and method for preventing a reverse electric operation mistake, more specifically, when the position of the reverse electric power provided in the cab for controlling the operation of the electric vehicle is the emergency or accident contact of the reverse electric power in the driver's accident A reverse anti-operation mistake prevention system for preventing braking is engaged and a method thereof.

In general, the control table provided in the cab of the electric vehicle is provided with various switches and controllers necessary for the operation and control of the electric vehicle, a display device for displaying the vehicle state of the electric vehicle, and various devices corresponding to the operation of the engineer.

In such a control station, a weekly controller and a reverse electric motor are essentially installed for the engineer to operate the electric vehicle to perform forward, reverse, or braking.

Therefore, when the driver wants to move the electric vehicle forward, the reverse electric motor separated from the daytime controller is first set in the forward direction. At this time, the reverse controller can be moved forward or backward only when the daytime controller is neutral.

On the other hand, when operating the electric vehicle in the manual mode, the weekly controller can be operated only when the reverse electric motor is in the forward or reverse state. In this state, as the engineer adjusts the position of the daytime controller, the electric signal of the mechanical control device installed under the daytime controller is transmitted to the overall control device or inverter or brake controller to comprehensively control the operation of the electric vehicle, and thus the electric vehicle is reversed. Braking is done.

However, according to the design, when the daytime controller is in a specific position, the reverse electric machine can move. For example, when operating the electric vehicle in automatic mode, the station controller can change the position at any time since the daytime controller is in the neutral position.

In this way, when the electric vehicle runs in the automatic mode, the driver takes care of the daytime controller and moves it by hand, so the position of the daytime controller is unlikely to change. Mistakes or accidents can change the position of the reverse station.

As such, when the position of the reverse electric machine changes during the operation in the automatic mode, the electric vehicle is configured to engage the emergency braking according to the urban railway law. Therefore, all trains operating in Korea are subject to the law and emergency braking is concluded.

On the other hand, while the electric vehicle is running in the automatic mode, many engineers do not pay much attention to the station electric station some distance from the engineer, and mainly operates while checking the daytime controller.

Therefore, if the position of the reverse electric machine is changed due to a mistake or an accident of an engineer or a person in the driver's side while driving, emergency braking is applied to the electric vehicle, which may cause accidents such as falling or injuring passengers in the cabin. There is this.

In addition, the automatic operation of the electric vehicle is terminated, and in order to automatically operate after the emergency braking because it has to move a few closed section to the emergency operation, there is also a difficulty in scheduled operation.

Accordingly, the present invention is to solve such a problem, the object is to prevent the reverse electric operation mistake that can prevent the emergency braking is engaged in the case of the reverse electric motor contact due to a mistake or accident while driving the electric vehicle in the automatic mode. A system and such a method are provided.

In addition, the present invention prevents the emergency braking is prevented even if the electric vehicle is operated in the automatic mode by preventing the emergency braking and reverse electric operation mistake prevention system that can prevent a safety accident, such as falling passengers due to emergency braking And to provide such a method.

The present invention to achieve this object;

An operation switch for selecting a mode for manual operation or automatic operation of the electric vehicle, a weekly controller and reverse electric motor for controlling the driving and braking of the electric vehicle, and a mode signal for automatic operation from the operation switching switch and the reverse electric motor A vehicle control device for monitoring a direction signal and holding means for maintaining an initial direction signal of a reverse electric machine according to a control signal of the vehicle control device when a mode signal for automatic driving is input from the driving switch; It provides a reverse electrical operation mistake prevention system, characterized in that.

At this time, the holding means is characterized in that the magnetic holding circuit consisting of a plurality of relays so as to maintain the initial state even if the direction signal is converted when the direction signal of the reverse electric machine is introduced.

In addition, the operation switching switch is characterized in that for generating a mode signal that can be selected to operate the electric vehicle in the manual mode or the automatic mode to determine the driving mode of the electric vehicle.

In addition, the reverse electric machine is for setting the driving direction of the electric vehicle, characterized in that for selecting the forward or reverse direction.

In addition, if the mode signal input from the driving switch to the vehicle control device is a mode signal for automatic driving, the vehicle control device outputs a signal holding signal to the holding means to the initial direction of the reverse electric power input to the vehicle control device And controlling the signal to be held constantly.

The vehicle control apparatus may output a control signal for releasing the holding signal of the holding means when a signal for mode switching is input from the driving switch or the driving controller.

On the other hand, the present invention;

A first step of receiving a mode signal for automatic driving from a driving switch to a vehicle control apparatus for controlling the operation of an electric vehicle; A second step of applying a control signal for signal holding to a holding means for holding an initial direction signal due to reverse electric operation when a mode signal for automatic driving is input to the vehicle control apparatus; A third step of receiving an initial direction signal from a reverse electric machine through the holding means to the vehicle control apparatus; And a fourth step of receiving the initial direction signal from the holding means when the direction signal, such as a direction different from the initial direction signal or the neutral direction signal, is input from the holding means to the holding means. It also provides a way to prevent reverse operation.

At this time, after the fourth step, the vehicle control apparatus applies a control signal for releasing the signal holding of the holding means to the holding means when a signal for mode switching is input from the driving switch or the driving controller. Step; it is characterized in that it further comprises.

According to the present invention, even if the position of the reverse electric station is changed by mistake or accident while the electric vehicle is running in the automatic mode, the direction signal of the reverse electric machine is not changed and thus the emergency braking is prevented.

In particular, it is possible to prevent the emergency braking caused by the driver's mistake, etc. There is also an effect that can prevent a safety accident, such as falling passengers and injured during emergency braking.

With reference to the accompanying drawings, the reverse electric operation mistake prevention system and method according to the present invention will be understood by the embodiments described in detail below.

At this time, Figure 1 is a view showing a control stand of the electric vehicle, Figure 2 is a block diagram of the reverse electric operation mistake prevention system according to the present invention, Figure 3 is a control flow diagram of the reverse electric operation mistake prevention system according to the present invention. .

1 and 2, the control unit 100 is installed in the cab of the electric vehicle is equipped with a variety of switches and controllers required for the operation and control of the electric vehicle, a display device for expressing the state of the vehicle, a variety of devices corresponding to the operation of the engineer Is provided.

At this time, since the various devices for driving control are concentrated in the control unit 100, it is preferable to prevent accidents of the electric vehicle and damage to the devices due to misoperation of the passenger during unmanned driving, and to design the system in consideration of the safety of the system.

In particular, since the control unit 100 is based on the design of the vehicle to recognize the vehicle state using the sight and hearing of the driver and to easily cope with the action radius, each device installed in the control unit 100 is important and It is arranged to facilitate recognition and manipulation of engineer by considering the frequency of use.

The control unit 100 is a device that is necessary to control the operation of the crew and to control each device for large passenger service is arranged, the master controller 110 and the reverse electric which must be operated at all times during manned driving of the electric vehicle (Direction Controller) 120 is provided, the operation switching switch 130 for selecting manual operation or automatic operation is provided.

At this time, it is possible to automatically drive the electric vehicle only when the operation switching switch 130 of the control unit 100 is set to automatic or fully automatic, and the operation mode signal is different according to the position of the operation switching switch 130. This is because it is transmitted to the vehicle control device 140 such as a signal device or a comprehensive control device.

At this time, in the present invention, the direction signal of the reverse electric motor 120 to prevent the emergency braking is prevented when the reverse electric motor 120 is switched by contact due to a mistake or the like while the electric vehicle is operating in the automatic mode. The holding means 150 is further provided for holding.

That is, the present invention, the operation switching switch 130 for generating a mode signal for manual operation or automatic operation when the engineer operates to determine the driving mode of the electric vehicle, and a weekly controller for controlling the retrograde and braking of the electric vehicle 110 and the reverse relay 120, the vehicle control device 140 for monitoring the mode signal for the automatic operation from the driving switch 130 and the direction signal of the reverse relay 120, and the driving switch When the mode signal for automatic driving is input from the vehicle 130 to the vehicle control device 140, the holding signal 150 maintains the initial direction signal of the reverse electric motor 120 according to the control signal of the vehicle control device 140. It is composed.

At this time, the holding means 150 is a known magnetic holding circuit 152 consisting of a plurality of relays (relay) to maintain the initial state even if the direction signal is converted when the direction signal of the reverse electric machine 120 is introduced Configure. Of course, the self-holding circuit 152 may be configured using various semiconductor elements in addition to the relay, and all belong to the same technology category.

Hereinafter, the configuration of each part of the present invention in more detail.

First, the operation switching switch 130 may select to operate the electric vehicle in the manual mode or the automatic mode as an operation means for determining the operation mode of the electric vehicle, thereby generating a mode signal.

The mode signal of the driving switch 130 is input to the vehicle control device 140.

On the other hand, the reverser 120 is to set the driving direction of the electric vehicle can be selected in the forward or reverse direction. Of course, the direction signal of the reverser 120 is also input to the vehicle control device 140.

At this time, the vehicle control device 140 receives the mode signal of the driving switch 130 and the direction signal of the reverse electric motor 120, of the driving switch 130 is input to the vehicle control device 140 When the mode signal is a mode signal for autonomous driving, the vehicle control apparatus 140 outputs a signal holding signal to the magnetic holding circuit 152 which is the holding means 150 and receives the reverse electric power inputted to the vehicle control apparatus 140. The initial direction signal of 120 is controlled to be held.

Of course, the vehicle control apparatus 140 may be configured to hold the holding means (if the mode signal input from the driving switch 130 or the daytime controller 110 is a signal for mode switching such as a manual mode or an emergency braking mode). The magnetic holding circuit 152 of 150 is released.

On the other hand, the daytime controller 110 is to enable to perform the emergency braking (EB), backing (P1 ~ P4), braking (B1 ~ B7) step by step, in the case of the neutral (N) the reverse electric It is possible to change the direction of 120 and the like.

That is, when the daytime controller 110 is in the neutral position in the automatic mode, the direction signal of the reverse electric motor 120 is reversed when the direction of the reverse electric motor 120 is switched to the neutral or reverse direction due to an operator's mistake of operation. In this case, even if the converted direction signal of the reverse electric motor 120 is input to the holding means 150, the initial direction signal is maintained and input to the vehicle control device 140, thereby causing the electric vehicle to emergency brake. Will be prevented.

1 to 3 will be described in detail the reverse operation manipulation prevention process according to the present invention.

First, when the engineer wants to control the driving of the electric vehicle in the automatic mode, the operation switching switch 130 operates. When driving in the automatic mode is selected due to the operation of the operation switching switch 130, the mode signal for the automatic driving is input to the vehicle control apparatus 140. (S100)

On the other hand, when the mode signal for automatic driving is input, the vehicle control device 140 transmits a control signal to the magnetic holding circuit 152 that is the holding means 150 to maintain the initial direction signal due to the operation of the reverse electric motor 120. (S110)

In such a state, when an initial direction signal is generated by operating the reverse electric motor 120, the initial direction signal is input to the vehicle control apparatus 140 through the magnetic holding circuit 152 which is the holding means 150. (S120)

After the step (S110), if the reverse controller 120 is operated by the driver, etc. by mistake, if the weekly controller 110 is located in the neutral state, the reverser 120 may move in one direction, thereby the initial direction Even if a direction signal different from the signal or the like is input to the magnetic holding circuit 152 which is the holding means 150, the magnetic holding circuit 152 outputs an initial direction signal to be input to the vehicle control apparatus 140. (S130)

On the other hand, the vehicle control device 140 is a mode signal input from the operation switching switch 130, the daytime controller 110, and the like, while driving in the automatic mode, a signal for mode switching such as manual mode or emergency braking mode is input. If it is, the control signal for the release is applied to release the magnetic holding circuit 152 of the holding means 150 (S140).

When the daytime controller 110 is in the neutral position in the automatic mode through the above process, when the direction of the reverse electric motor 120 is switched to the neutral or reverse direction due to the operator's mistake of operation, the direction of the reverse electric motor 120 is Even if a signal is applied to the holding means 150, the previous initial direction signal is maintained and input to the vehicle control device 140, thereby preventing the electric vehicle from emergency braking and preventing a safety accident of a passenger using the electric vehicle. have.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited thereto, and the scope of the present invention extends to the scope of the present invention to be substantially equivalent to the embodiment of the present invention. Various modifications can be made by those skilled in the art without departing from the scope of the present invention.

1 is a view showing a control stand of an electric vehicle,

2 is a configuration diagram of a reverse electric operation mistake prevention system according to the present invention,

3 is a control flow diagram of a reverse electrical operation mistake prevention system according to the present invention.

*** Explanation of symbols for main parts of drawing ***

100: control unit 110: daytime controller

120: reverse electric 130: operation switching switch

140: vehicle control device 150: holding means

152: magnetic holding circuit

Claims (8)

An operation switching switch for selecting a mode for manual operation or automatic operation of the electric vehicle; A daytime controller and a reverse electric machine for controlling the driving and braking of the electric vehicle; A vehicle control device for monitoring a mode signal for automatic driving and a direction signal of the reverse electric machine from the driving switch; And a holding means for holding an initial direction signal of a reverse electric machine according to a control signal of the vehicle control device when a mode signal for automatic operation is input from the driving switch to the vehicle control device. Prevention system. The method of claim 1, And said holding means comprises a self-holding circuit comprising a plurality of relays so as to maintain an initial state even if the direction signal is converted when the direction signal of the reverse electric machine is introduced. The method of claim 1, And the operation switching switch generates a mode signal for selecting the operation mode of the electric vehicle in the manual mode or the automatic mode to determine the operation mode of the electric vehicle. The method of claim 1, The reverse electric machine is to set the driving direction of the electric vehicle, reverse error operation system, characterized in that for selecting the forward or reverse direction. The method of claim 1, If the mode signal inputted from the driving switch to the vehicle control device is a mode signal for automatic driving, the vehicle control device outputs a signal holding signal to the holding means, so that the initial direction signal of the reverse electric power input to the vehicle control device is output. Reverse electrical manipulation mistake prevention system, characterized in that the control to be held constant. The method of claim 1, And the vehicle control apparatus outputs a control signal for releasing the holding signal of the holding means when a signal for mode switching is input from the driving switch or the daytime controller. A first step of receiving a mode signal for automatic driving from a driving switch to a vehicle control apparatus for controlling the operation of an electric vehicle; A second step of applying a control signal for signal holding to a holding means for holding an initial direction signal due to reverse electric operation when a mode signal for automatic driving is input to the vehicle control apparatus; A third step of receiving an initial direction signal from a reverse electric machine through the holding means to the vehicle control apparatus; And a fourth step of receiving the initial direction signal from the holding means when the direction signal, such as a direction different from the initial direction signal or the neutral direction signal, is input from the holding means to the holding means. How to prevent reverse electric operation mistakes. The method of claim 7, wherein After the fourth step, the vehicle control device is a fifth step of applying a control signal for releasing the signal holding of the holding means to the holding means when a signal for mode switching is input from a driving switch or a driving controller; Reverse electrical operation mistake prevention method characterized in that it further comprises.

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