JP2010136494A - Device, method, and program for safety control - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow an electric vehicle to quickly start moving in safety even though a charging cable is connected thereto. <P>SOLUTION: A cable connection detection sensor 161 detects the state of connection of a charging cable used to charge an electric vehicle and supplies a computer 164 with a connection signal indicating the state of connection. When an attempt is made to start an electric vehicle with the charging cable connected thereto, the computer 164 controls the state of a charging connector 166 so as to separate the charging cable from the electric vehicle based on a connection signal and information from the drive system 165 of the electric vehicle. The invention is applicable to, for example, the safety controller of an electric vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a safety control device and method, and a program, and more particularly, to a safety control device and method for an electric vehicle, and a program.

  Conventionally, when a vehicle-side connector and a power-side connector of an electric vehicle are connected, it has been proposed to stop the control of a motor that drives the vehicle and prevent erroneous start of the vehicle being charged (for example, Patent Document 1).

JP 7-46711 A

  However, if the control of the motor that drives the vehicle is stopped when the vehicle side connector and the power supply side connector of the electric vehicle are connected, the vehicle is immediately started in an emergency such as a disaster. There is a risk of incurring harmful effects such as being unable to make it happen.

  The present invention has been made in view of such circumstances, and makes it possible to safely and quickly start an electric vehicle to which a charging cable is connected.

  The safety control device according to one aspect of the present invention includes a detection unit that detects a connection state of a charging cable that connects an electric vehicle and a power source, and the electric vehicle is about to start while the cable is connected to the electric vehicle. Separating control means for controlling the cable to separate from the electric vehicle.

  In the safety control device according to one aspect of the present invention, when the connection state of the charging cable connecting the electric vehicle and the power source is detected and the electric vehicle tries to start while the cable is connected to the electric vehicle, Is separated from the electric vehicle.

  Accordingly, the electric vehicle to which the charging cable is connected can be started safely and quickly. In addition, accidents caused by charging cables can be prevented.

  This detection means is constituted by, for example, a contact type, optical type, radio wave type sensor, etc., and the separation control means is constituted by, for example, a CPU or an ECU (Electronic Control Unit).

  The safety control device is further provided with a start control means for controlling the start of the electric vehicle when a cable is connected to the electric vehicle, and when a predetermined command is input to the separation control means. The cable can be controlled to be separated from the electric vehicle.

  Thereby, after getting into the electric vehicle, the charging cable can be forcibly separated from the electric vehicle, and the electric vehicle can be started quickly.

  This start control means is constituted by, for example, a CPU, an ECU (Electronic control unit), or an ECU (Engine Control Unit).

  The safety control device includes boarding detection means for detecting an operation for getting on an electric vehicle, and when an operation for getting on the electric vehicle is detected when a cable is connected to the electric vehicle, Notification means for notifying that the cable is connected to the automobile can be further provided.

  Thus, it is possible to notice that the charging cable is connected before getting into the electric vehicle.

  The safety control method according to one aspect of the present invention includes a detection step of detecting a connection state of a charging cable connecting an electric vehicle and a power source, and a case where the electric vehicle is about to start while the cable is connected to the electric vehicle. Separating the cable from the electric vehicle.

  In the safety control method according to one aspect of the present invention, when the connection state of the charging cable connecting the electric vehicle and the power source is detected and the electric vehicle is about to start while the cable is connected to the electric vehicle, the cable Is separated from the electric vehicle.

  Accordingly, the electric vehicle to which the charging cable is connected can be started safely and quickly. In addition, accidents caused by charging cables can be prevented.

  This detection step includes, for example, a detection step of detecting a connection state of a charging cable for connecting an electric vehicle and a power source by a sensor such as a contact type, an optical type, a radio wave type, and the separation step includes, for example, When the electric vehicle tries to start while the cable is connected to the electric vehicle, the separation step is performed to separate the cable from the electric vehicle under the control of the CPU or ECU.

  A program according to an aspect of the present invention includes a detection step of detecting a connection state of a charging cable connecting an electric vehicle and a power source, and the electric vehicle is about to start while the cable is connected to the electric vehicle. In this case, a computer is caused to execute a process including a separation control step of controlling the cable to be separated from the electric vehicle.

  In the program according to one aspect of the present invention, when a connection state of a charging cable for connecting an electric vehicle and a power source is detected and the electric vehicle tries to start while the cable is connected to the electric vehicle, the cable is electrically connected. Separated from the car.

  Accordingly, the electric vehicle to which the charging cable is connected can be started safely and quickly. In addition, accidents caused by charging cables can be prevented.

  This detection step includes, for example, a detection step of detecting a connection state of a charging cable for connecting an electric vehicle and a power source by a CPU or an ECU, and this separation step includes, for example, a cable connected to the electric vehicle. When the electric vehicle is about to start, the CPU or ECU controls the cable so that the cable is separated from the electric vehicle.

  According to one aspect of the present invention, an electric vehicle to which a charging cable is connected can be started safely and quickly.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a block diagram showing a first embodiment of a safety control system to which the present invention is applied. A safety control system 1 in FIG. 1 is a system that is installed in an electric vehicle and controls the electric vehicle (hereinafter also referred to as the own vehicle) not to travel with a charging cable connected thereto. The safety control system 1 includes a cable connection detection unit 11, an input unit 12, a boarding detection unit 13, a drive control unit 14, a drive unit 15, a separation control unit 16, a connection unit 17, a notification control unit 18, and a notification unit 19. Configured to include.

  The cable connection detection unit 11 is connected to the vehicle whether or not a charging cable (hereinafter referred to as a charging cable) is connected to a charging connector (hereinafter referred to as a charging connector) of the vehicle. The connection state of the charging cable is detected, such as whether one end of the charging cable is connected to the connector of the power source. The cable connection detection unit 11 notifies the drive control unit 14, the separation control unit 16, and the notification control unit 18 of the detected connection state of the charging cable.

  The input unit 12 is used to input a command for forcibly starting the vehicle (hereinafter referred to as a forced start command) while the charging cable is connected in an emergency such as a fire. The input unit 12 supplies the input forced transmission command to the drive control unit 14 and the separation control unit 16.

  The boarding detection unit 13 detects an operation for a person to get on the own vehicle, and notifies the notification control unit 18 that an operation for the person to get on the own vehicle has been performed. In addition, as operation | movement which the boarding detection part 13 detects, the operation | movement which unlocks a door lock from the outside, operates a door knob from the outside, or opens a door etc. is assumed, for example.

  The drive control unit 14 controls the drive unit 15 that constitutes the drive system of the own vehicle such as a motor based on the connection state of the charging cable and the forced start command, and permits or prohibits the start of the own vehicle.

  When the forced start command is input, the separation control unit 16 controls the state of the connection unit 17 to which the charging cable is connected so as to separate the charging cable from the host vehicle.

  For example, from a display device, an alarm device, a lamp or the like, the notification control unit 18 notifies the fact that the charging cable is connected when a person tries to get on the vehicle with the charging cable connected. The configured notification unit 19 is controlled.

  FIG. 2 is a block diagram showing an example of a specific hardware configuration of the safety control system 1 of FIG. The safety control system 51 of FIG. 2 includes a cable connection detection sensor 61, a forced transmission switch 62, a remote key 63, a computer 64, a drive system 65, a charging connector 66, an emergency flashing indicator light 67, and an alarm device 68. Composed.

  The cable connection detection sensor 61 corresponds to the cable connection detection unit 11 in FIG. 1, detects the connection state of the charging cable, and supplies a signal indicating the connection state (hereinafter referred to as a connection signal) to the computer 64. For the cable connection detection sensor 61, for example, a contact type, optical type, radio wave type sensor or the like is used.

  The forced start switch 62 corresponds to the input unit 12 in FIG. 1 and is a switch used for inputting a forced start command, and is provided around the driver's seat so that the driver can operate from the driver's seat. The forced start switch 62 supplies the input forced transmission command to the computer 64.

  The remote key 63 is a key for inputting a command to unlock the door lock of the own vehicle. The command for unlocking the door lock input via the remote key 63 is supplied to a device for controlling the unlocking of the door lock and also to the computer 64.

  The computer 64 implements functions corresponding to the boarding detection unit 13, the drive control unit 14, the separation control unit 16, and the notification control unit 18 in FIG. 1 by executing a predetermined program.

  The drive system 65 corresponds to the drive unit 15 in FIG. 1, and includes a motor that drives the vehicle, an in-vehicle battery that supplies electric power to the motor, and a switch that switches between supply and stop of electric power from the in-vehicle battery to the motor (hereinafter, referred to as “drive”). (Referred to as a power supply switch). The drive system 65 permits or prohibits the start of the own vehicle by turning on or off the power supply switch based on the control of the computer 64.

  The charging connector 66 corresponds to the connecting portion 17 in FIG. 1 and is connected with a charging cable. The charging connector 66 can separate the charging cable under the control of the computer 64.

  The emergency flashing indicator lamp 67 and the alarm device 68 correspond to the notification unit 19 in FIG. The emergency flashing indicator lamp 67 (so-called hazard lamp) flashes under the control of the computer 64 when a person tries to get on the vehicle with the charging cable connected. The alarm device 68 sounds an alarm for notifying that the charging cable is connected under the control of the computer 64 when a person tries to get on the vehicle with the charging cable connected. .

  Next, safety control processing executed by the safety control system 51 will be described with reference to the flowchart of FIG.

  In step S <b> 1, the computer 64 determines whether the charging cable is connected based on the connection signal from the cable connection detection sensor 61. If it is determined that the charging cable is connected, more specifically, if it is determined that the charging cable is connected to the charging connector 66, the process proceeds to step S2.

  In step S2, the computer 64 prohibits starting. That is, the computer 64 turns off the power supply switch of the drive system 65 so that power is not supplied from the vehicle-mounted battery to the motor, and prohibits the start of the host vehicle. Thereafter, the process proceeds to step S5.

  On the other hand, if it is determined in step S1 that the charging cable is not connected, the process proceeds to step S3.

  In step S <b> 3, the computer 64 determines whether the charging cable has been separated based on the connection signal from the cable connection detection sensor 61. If it is determined that the charging cable has been disconnected, more specifically, if it is determined that the charging cable has been disconnected from the charging connector 66, the process proceeds to step S4.

  In step S4, the computer 64 cancels the prohibition of starting. That is, the computer 64 turns on the power supply switch of the drive system 65 so that electric power is supplied from the vehicle-mounted battery to the motor, and cancels the prohibition of the start of the own vehicle. Thereafter, the process proceeds to step S5.

  On the other hand, when it is determined in step S3 that the charging cable is not separated, the process of step S3 is skipped, and the process proceeds to step S5.

  In step S <b> 5, the computer 64 determines whether or not the door lock is unlocked based on the presence / absence of an input of a door lock unlock command from the remote key 63. If it is determined that the door lock has been unlocked, the process proceeds to step S6.

  In step S <b> 6, the computer 64 determines whether the charging cable is being connected based on the connection signal from the cable connection detection sensor 61. If it is determined that the charging cable is being connected, more specifically, if it is determined that the charging cable is connected to the charging connector 66, the process proceeds to step S7.

  In step S7, the computer 64 notifies that the charging cable is connected. For example, the computer 64 notifies the fact that the charging cable is connected to the host vehicle by causing the emergency flashing indicator lamp 67 to blink or sounding the alarm device 68 to call attention. At this time, for example, the flashing of the emergency flashing indicator lamp 67 and the alarm sound of the alarm device 68 may be synchronized. Thereafter, the process proceeds to step S8.

  Note that the method of notifying that the charging cable is connected is not limited to the method described above. For example, a predetermined message is displayed, a voice message is output, or the remote key 63 is vibrated. A method to do is conceivable.

  On the other hand, if it is determined in step S6 that the charging cable is not connected, the process of step S7 is skipped, and the process proceeds to step S8.

  If it is determined in step S5 that the door lock is not unlocked, the processes in steps S6 and S7 are skipped, and the process proceeds to step S8.

  In step S <b> 8, the computer 64 determines whether or not a forced transmission command is input based on whether or not a forced start command is input from the forced start switch 62. If it is determined that a forced transmission command has been input, the process proceeds to step S9.

  In step S9, similarly to the process in step S6, it is determined whether the charging cable is being connected. If it is determined that the charging cable is being connected, the process proceeds to step S10.

  In step S10, the computer 64 separates the charging cable. That is, the computer 64 controls the charging connector 66 and removes the charging cable from the charging connector 66, thereby separating the charging cable from the vehicle body of the host vehicle.

  In step S11, similarly to the process of step S4, the prohibition of starting is canceled, and then the process returns to step S1, and the processes after step S1 described above are executed.

  On the other hand, if it is determined in step S8 that the forced transmission command has not been input, or if it is determined in step S9 that the charging cable is not connected, the process returns to step S1, and the above-described steps S1 and after The process is executed.

  In this way, if you attempt to get into your vehicle with the charging cable connected, you will be notified that the charging cable is connected to your vehicle and the passenger will be charged before the vehicle gets into your vehicle. You can notice that they are connected. Thus, for example, after getting into the vehicle, the passenger can be released from the troublesome work of noticing that the charging cable is connected and going out of the vehicle to remove the charging cable.

  In addition, it is possible to prevent the vehicle from running with the charging cable connected and accidents caused by the charging cable, and in an emergency, get into the vehicle and then forcibly disconnect the charging cable from the vehicle. The vehicle can be started quickly.

  Next, a second embodiment of the safety control system to which the present invention is applied will be described with reference to FIGS. In the second embodiment of the present invention, compared to the first embodiment, even when the forced transmission command is not input, when the vehicle tries to start with the charging cable connected, The charging cable is separated from the vehicle.

  FIG. 4 is a block diagram showing a second embodiment of the safety control system to which the present invention is applied. The safety control system 101 in FIG. 4 includes a cable connection detection unit 111, a boarding detection unit 113, a drive control unit 114, a drive unit 115, a separation control unit 116, a connection unit 117, a notification control unit 118, and a notification unit 119. Configured as follows. In the figure, portions corresponding to those in FIG. 1 are denoted by the same reference numerals in the last two digits, and description of portions having the same processing will be omitted because it will be repeated.

  In addition to the function of the separation control unit 16 in FIG. 1, the separation control unit 116 is based on information from the cable connection detection unit 111 and the drive unit 115 when the vehicle tries to start with the charging cable connected. The state of the connecting portion 117 is controlled so as to separate the charging cable from the own vehicle.

  FIG. 5 is a block diagram showing an example of a specific hardware configuration of the safety system 101 of FIG. The safety control system 151 of FIG. 5 is configured to include a cable connection detection sensor 161, a remote key 163, a computer 164, a drive system 165, a charging connector 166, an emergency flashing indicator lamp 167, and an alarm device 168. In the figure, portions corresponding to those in FIG. 2 are denoted by the same reference numerals in the last two digits, and description of portions having the same processing will be omitted because it will be repeated.

  In addition to the function of the computer 64 in FIG. 2, the computer 164 starts from the vehicle when the vehicle tries to start with the charging cable connected based on information from the cable connection detection sensor 161 and the drive system 165. The state of the charging connector 166 is controlled so as to separate the charging cable.

  Next, safety control processing executed by the safety control system 151 will be described with reference to the flowchart of FIG.

  In step S31, similarly to the process of step S5 of FIG. 3, it is determined whether the door lock is unlocked. If it is determined that the door lock is unlocked, the process proceeds to step S32.

  In step S32, as in the process of step S6 of FIG. 3, it is determined whether the charging cable is connected. If it is determined that the charging cable is connected, the process proceeds to step S33.

  In step S33, as in the process of step S7 of FIG. 3, it is notified that the charging cable is connected, and the process proceeds to step S34.

  On the other hand, if it is determined in step S32 that the charging cable is not connected, the process of step S33 is skipped, and the process proceeds to step S34.

  If it is determined in step S31 that the door lock is not unlocked, the processes in steps S32 and 33 are skipped, and the process proceeds to step S34.

  In step S <b> 34, the computer 164 determines whether or not the own vehicle is about to start based on information from the drive system 165. For example, when the computer 164 is notified that the engine of the host vehicle has been started from the drive system 165 or after the engine of the host vehicle has been started, the computer 164 determines whether the accelerator is based on information from an accelerator sensor constituting the drive system 165. If it is detected that the pedal has been depressed, it is determined that the vehicle is about to start, and the process proceeds to step S35.

  In step S35, as in the process of step S6 in FIG. 3, it is determined whether the charging cable is connected. If it is determined that the charging cable is connected, that is, the charging cable is connected. If the car is about to start, the process proceeds to step S36.

  In step S36, the charging cable is separated from the host vehicle as in the process of step S10 of FIG.

  In step S37, the computer 164 notifies that the charging cable has been disconnected. For example, the computer 64 notifies that the charging cable has been separated from the own vehicle by sounding the alarm device 68.

  Note that the method of notifying that the charging cable has been separated is not limited to the method described above. For example, a method of displaying a predetermined message, outputting a voice message, or vibrating the steering wheel And so on.

  Thereafter, the process returns to step S31, and the processes after step S31 described above are executed.

  On the other hand, if it is determined in step S34 that the vehicle is not going to start, or if it is determined in step S35 that the charging cable is not connected, the process returns to step S31, and the processes after step S31 described above are executed. Is done.

  In this way, when the vehicle is about to start with the charging cable connected, the charging cable is separated from the vehicle without any special operation, and an accident caused by the charging cable is prevented. . Further, since it is notified that the charging cable is separated from the own vehicle, it is possible to prevent the user from inadvertently starting the own vehicle and leaving the charging cable unattended without noticing that the charging cable is connected.

  In the flowcharts of FIGS. 3 and 6, an example of notifying that the charging cable is being connected is shown when the unlocking of the door lock is detected. Use various sensors to notify you that the charging cable is connected when other movements such as operating the door knob or opening the door from outside are detected. It may be.

  In addition, the method of prohibiting the start of the own vehicle is not limited to the above-described example. For example, in the case of an AT (automatic transmission) vehicle, the shift lever is moved from the parking position. You may make it shift-lock so that it cannot move.

  Furthermore, in the second embodiment of the present invention, when the vehicle is about to start while the charging cable is connected, it is notified that the charging cable is connected before the charging cable is separated. It may be.

  Further, during the connection of the charging cable, it may be displayed that the charging cable is connected to an instrument panel or the like.

  Furthermore, in the first embodiment of the present invention, the forced start switch 62 may be illuminated, and the forced start switch 62 may be lit or blinked while the charging cable is connected.

  The series of processes described above can be executed by hardware or can be executed by software. When a series of processing is executed by software, a program constituting the software executes various functions by installing a computer incorporated in dedicated hardware or various programs. For example, it is installed in a general-purpose personal computer or the like from a program recording medium or the like.

  The program executed by the computer may be a program that is processed in time series in the order described in this specification, or in parallel or at a necessary timing such as when a call is made. It may be a program for processing.

  Further, in the present specification, the term “system” means an overall apparatus composed of a plurality of apparatuses and means.

  Furthermore, the embodiments of the present invention are not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.

It is a block diagram which shows 1st Embodiment of the safety control system to which this invention is applied. It is a block diagram which shows the example of the concrete hardware constitutions of the safety control system of FIG. It is a flowchart explaining the safety control process performed by the safety control system of FIG. It is a block diagram which shows 2nd Embodiment of the safety control system to which this invention is applied. FIG. 5 is a block diagram showing an example of a specific hardware configuration of the safety control system of FIG. 4. It is a flowchart explaining the safety control process performed by the safety control system of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Safety control system 11 Cable connection detection part 12 Input part 13 Boarding detection part 14 Drive control part 15 Drive part 16 Separation control part 17 Connection part 18 Notification control part 19 Notification part 51 Safety control system 61 Cable connection detection sensor 62 Forced start switch 63 Remote Key 64 Computer 65 Drive System 66 Charging Connector 67 Emergency Flashing Indicator Light 68 Alarm Device 101 Safety Control System 111 Cable Connection Detection Unit 113 Boarding Detection Unit 114 Drive Control Unit 115 Drive Unit 116 Separation Control Unit 117 Connection Unit 118 Notification Control Unit 119 Notification unit 151 Safety control system 161 Cable connection detection sensor 163 Remote key 164 Computer 165 Drive system 166 Charging connector 167 Emergency flashing indicator 168 Alarm device

Claims (5)

In the safety control device for electric vehicles,
Detecting means for detecting a connection state of a cable for charging connecting the electric vehicle and a power source;
A safety control device comprising: separation control means for controlling the cable to be separated from the electric vehicle when the electric vehicle is about to start while the cable is connected to the electric vehicle. The vehicle further includes start control means for controlling the start of the electric vehicle when the cable is connected to the electric vehicle.
The safety control device according to claim 1, wherein the separation control unit controls the cable to be separated from the electric vehicle when a predetermined command is input. Boarding detection means for detecting an operation for boarding the electric vehicle;
And a notification means for notifying that the cable is connected to the electric vehicle when an operation for getting on the electric vehicle is detected when the cable is connected to the electric vehicle. The safety control device according to claim 1. In a safety control method of a safety control device for an electric vehicle,
A detection step of detecting a connection state of a cable for charging connecting the electric vehicle and a power source;
A separation step of separating the cable from the electric vehicle when the electric vehicle is about to start while the cable is connected to the electric vehicle. A detection step of detecting a connection state of a charging cable connecting the electric vehicle and the power source;
A separation control step for controlling the cable to separate the cable from the electric vehicle when the electric vehicle is about to start while the cable is connected to the electric vehicle.

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