JP2013230730A - Power supply system for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a power supply system for a vehicle capable of preventing an operation of the power supply system by others even if a possessor of the vehicle is away from the vehicle and including electrical equipment of the power supply system disposed at positions having excellent operability.SOLUTION: A power supply system for a vehicle includes: an inverter 26 for converting DC current supplied from a battery to AC current; a control box 28 for controlling supply of the AC current converted by the inverter to the outside of the vehicle; an operation switch 28a for manually operating start and stop of the control box 28; and a plug socket 28c for outputting the AC current output from the inverter 26. The control box 28 is disposed in a luggage compartment with which cannot be brought into contact from the outside of the vehicle in a state in which all opening/closing portions of the vehicle are locked. The operation switch 28b and the plug socket 28c are disposed on a control box case 28a.

Description

  The present invention relates to a vehicle power supply system, and more particularly to a vehicle power supply system that can directly supply power from a vehicle battery to an external device such as a home appliance without using an external facility such as a power supply facility. .

  Conventionally, vehicles such as electric vehicles and hybrid vehicles that supply electric power from a battery to an electric motor and drive wheels by the electric motor are known.

  In recent years, a vehicle power supply system for supplying electric power from a battery to the outside of the vehicle mounted on these electric vehicles and hybrid vehicles has also been proposed. For example, a power system configured to be able to transfer power between a vehicle and a power line in a house via a connection device is known (Patent Document 1).

  Moreover, what supplies electric power from the battery of an electric vehicle to external system equipment via the power supply equipment installed in the parking space at the time of a power failure due to a natural disaster or the like is also known (Patent Document 2).

JP 2008-054439 A JP 2007-252117 A

  When power is supplied from the vehicle battery to the outside of the vehicle via an external facility such as a power supply facility, the place where the power is supplied is limited. In order to directly supply electric power from a vehicle battery to an external device including home appliances at any place without going through external equipment, the direct current supplied from the battery is changed to an alternating current of a commercial power supply voltage (for example, 100 V). It is necessary to mount an electrical component such as an inverter to be converted and a control box that outputs an alternating current converted by the inverter through an outlet.

  In addition, the vehicle owner may leave the vehicle while power is being supplied from the vehicle power supply system to the external device. In that case, it is not preferable that the electric component of the power feeding system is operated by another person. On the other hand, it is assumed that the vehicle owner stands outside the vehicle and operates the power feeding system. It is desirable to appropriately arrange electric components such as operation switches and outlets of the power feeding system in consideration of such circumstances.

  Accordingly, the present invention provides a vehicle power supply system in which the operation of the power supply system by another person can be prevented even when the owner of the vehicle is away from the vehicle, and the electrical components of the power supply system are arranged at a position with excellent operability. The purpose is to provide.

  In order to achieve the above object, a vehicle power supply system according to the present invention is mounted on a vehicle having an electric motor for driving wheels and a battery for supplying electric power to the electric motor, and the electric power is supplied from the battery to the outside of the vehicle. An inverter that converts a direct current supplied from the battery into an alternating current, and a control device that controls the supply of the alternating current converted by the inverter to the outside of the vehicle, An operation switch for manually operating start and stop of the control device, and a power supply terminal for outputting an alternating current output from the inverter, and the operation switch includes all opening / closing portions of the vehicle. It is arranged in a vehicle that cannot be contacted from outside the vehicle in a locked state, and the power supply terminal is arranged at a position that can be contacted from outside the vehicle. To have.

  According to the vehicle power supply system of the present invention configured as described above, the operation switch of the control device is disposed in the vehicle that cannot be contacted from outside the vehicle in a state where all the opening / closing parts of the vehicle are locked. Thereby, according to this invention, even if the owner of a vehicle leaves | separates from the vehicle, operation of the electric power feeding system by others can be prevented. Moreover, the power feeding terminal is disposed at a position where it can be contacted from outside the vehicle. Thereby, the worker can easily attach and detach the connection cable to and from the power supply terminal while standing outside the vehicle, for example. As described above, according to the present invention, even when the owner of the vehicle is away from the vehicle, the operation of the power supply system by another person can be prevented, and the electrical components of the power supply system are arranged at a position with excellent operability. A vehicle power supply system can be provided.

  Preferably, in the present invention, the power supply terminal is disposed in a vehicle that cannot be contacted from outside the vehicle in a state where all the opening / closing parts of the vehicle are locked.

  As described above, if the power supply terminal is arranged in the vehicle, the connecting means connected to the power supply terminal is prevented from being arbitrarily removed by another person by locking all the opening / closing parts of the vehicle. Specifically, it is possible to prevent a connection cable as a connection means inserted into an outlet as a power supply terminal on the vehicle side from being pulled out, and further, another connection cable from being inserted into the outlet without permission.

  Preferably, in the present invention, the communication is made to open to the vehicle and communicate with the inside and outside of the vehicle in a state where all the opening and closing parts of the vehicle are locked. A hole is further provided.

  In this way, a communication hole is provided for communication between the inside and outside of the vehicle in a state where all the opening / closing parts of the vehicle are locked. For this reason, even if all the opening / closing parts of the vehicle are locked, power can be supplied to the external device by passing the connecting means through the communication hole. As a result, even when the owner of the vehicle is away from the vehicle, it is possible to supply power to the external device in a state where all the opening / closing parts of the vehicle are locked while preventing the operation of the power feeding system by others.

  In the present invention, preferably, the control device is disposed in a luggage compartment of the vehicle, and the operation switch and the power feeding terminal are disposed in a casing constituting the control device.

  As described above, if the operation switch and the power supply terminal are provided on the casing constituting the control device, the operation of connecting the connection cable to the power supply terminal and turning on the operation switch, and turning off the operation switch and the power supply terminal The connection cable can be removed efficiently from the cable. Furthermore, since the operation switch and the power supply terminal are arranged in the luggage compartment, the operator can easily operate the operation switch and attach / detach the connection cable to the power supply terminal while the worker is standing outside the vehicle. it can. The cargo compartment may be a compartment between the cabin and the cargo compartment, as in the rear trunk of a sedan type vehicle, or the cabin in the rear cargo space of a hatchback type vehicle. It may be one in which the space between the vehicle and the cargo compartment is not partitioned.

  Preferably, in the present invention, the communication hole opens in a cargo compartment floor portion facing a jack storage space provided on a side portion of the cargo compartment of the vehicle, and at least one of the operation switch and the power feeding terminal is the jack. It arrange | positions around the opening part opened to the interior wall of the said luggage compartment for storage space.

  Accordingly, it is possible to efficiently perform at least one of the operation of the operation switch and the attachment / detachment of the connection cable to / from the power supply terminal as well as the operation of passing the connection cable through the communication hole opened in the jack storage space. Furthermore, since at least one of the operation switch and the power supply terminal is disposed in the luggage compartment, the operator can easily operate the operation switch and attach / detach the connection cable while the operator is standing outside the vehicle. .

  According to the vehicle power supply system of the present invention, even if the owner of the vehicle is away from the vehicle, the operation of the power supply system by another person can be prevented, and the electrical components of the power supply system are arranged at a position with excellent operability. A vehicle power supply system can be provided.

1 is a schematic plan view showing an overall structure of a vehicle on which a vehicle power feeding system according to an embodiment of the present invention is mounted. It is a block diagram of the electric power feeding system for vehicles by embodiment of this invention. It is a top view which shows the luggage compartment floor of the vehicle carrying the vehicle electric power feeding system by embodiment of this invention. It is a perspective view of the jack storage space of the side surface of the luggage compartment of a vehicle. It is the schematic of the electric power feeding outlet facing the vehicle exterior.

Hereinafter, an embodiment of a parking assistance device of the present invention will be described with reference to the accompanying drawings.
First, a vehicle equipped with a vehicle power supply system according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a schematic plan view showing the overall structure of a vehicle equipped with a vehicle power supply system according to an embodiment of the present invention.

  As shown in FIG. 1, a vehicle 1 equipped with a vehicle power feeding system according to an embodiment of the present invention is an electric vehicle equipped with a motor unit as a power source. A motor unit 2 that drives drive wheels 4 (left and right front wheels in the example of FIG. 1) is mounted in a motor room 2 at the front of the vehicle body (in front of the passenger compartment) of the vehicle 1. Further, a motor inverter 8, a junction box 10, and a battery charger 12 are disposed in the motor room 2.

  Further, a battery mounting frame 14 formed so as to have a substantially T shape in plan view is provided below the passenger compartment floor from the center to the rear of the vehicle body. A battery 16 that supplies power to the motor is mounted on the battery mounting frame 14.

  A charging receptacle 18 is provided on the left side surface of the rear part of the vehicle body. The charging receptacle 18 is connected to the battery charger 12 via the charging cable 20. The charging cable 20 is routed along the battery 16 on the lower surface side of the passenger compartment floor.

  Furthermore, a cargo compartment floor 22 is provided at the rear of the vehicle body (rear of the passenger compartment) of the vehicle 1 (part of which is shown in FIG. 1). A recess 24 is formed on the upper surface side of the cargo compartment floor 22. In this recess 24, an inverter 26 that converts a direct current supplied from the battery 16 into an alternating current of a commercial power supply voltage (for example, 100V), and a supply of the alternating current converted by the inverter 26 to the outside of the vehicle are controlled. A control box 28 as a control device is arranged. The power cable 30 connecting the inverter 26 and the junction box 10 is routed along the battery 16 along with the charging cable 20 on the lower surface side of the passenger compartment floor.

  Next, with reference to FIG. 2, an electrical configuration of a vehicle equipped with the vehicle power supply system according to the embodiment of the present invention will be described. FIG. 2 is a block diagram of a vehicle power supply system according to an embodiment of the present invention. Various systems mounted on the vehicle 1 including the vehicle power supply system are controlled by a vehicle control module (VCM) (not shown).

  As shown in FIG. 2, the junction box 10 is connected to the battery 16, the motor inverter 10, and the inverter 26, and switches the supply of direct current from the battery 16 to the motor inverter 10 and the inverter 26.

  The motor inverter 8 converts a direct current supplied from the battery 16 through the junction box 10 into an alternating current and supplies the alternating current to the motor unit 6. The driving force generated by the motor unit 6 is transmitted to the drive wheels 4 through a power transmission mechanism such as a transaxle.

  The battery charger 12 charges the battery 16 with the electric power supplied from the charging receptacle 18 via the charging cable 20. That is, the battery 16 is charged via the charging cable 20 and the battery charger 12 by connecting a charging plug provided at the tip of a charging cord drawn from an external power source such as a charging stand to the charging receptacle 18.

  The inverter 26 is connected to the junction box 10 via the power cable 30. The inverter 26 converts a direct current supplied from the battery 16 via the junction box 10 and the power cable 30 into an alternating current of a commercial power supply voltage (for example, 100 V), and outputs it to the control box 28 via the output cable 32. To do.

  The control box 28 is connected to the inverter 26 via the output cable 32 and controls the supply of the alternating current converted by the inverter 26 to the outside of the vehicle.

  Here, with reference to FIG. 3, the detail of arrangement | positioning of the electrical component of an electric power feeding system is demonstrated. FIG. 3 is a plan view showing a luggage compartment floor of a vehicle on which the vehicle power feeding system according to the embodiment of the present invention is mounted.

  FIG. 3 is a plan view showing the inverter 26 and the control box 28 arranged in the recess 24 of the cargo compartment floor 22. As shown in FIG. 3, a recess 24 having a substantially circular planar shape is formed on the upper surface side of the cargo compartment floor 22. As this recessed part 24, the spare tire pan provided in the luggage compartment floor 22 of the conventional vehicle can be diverted, for example. The inverter 26 and the control box 28 are arranged side by side in the vehicle width direction on the bottom surface 24 a of the recess 24.

  On the upper surface of the control box case 28a as the casing of the control box 28, there are an operation switch 28b for switching ON / OFF of power supply to the outside of the vehicle, and an outlet 28c which is a power supply terminal for outputting an alternating current output from the inverter. And are provided.

  A plug at one end of a connection cable 34 that is a connection means connection for connecting the outlet 28c and an external device is inserted into the outlet 28c in the vehicle. The outlet 28a is a standard outlet for commercial power. The connection cable is a standard product for commercial power supply, and may be, for example, a commercially available table tap or a plug cord of home appliances. The alternating current supplied from the inverter 26 is directly supplied from the outlet 28c to an external device such as a home appliance without going through an external facility such as a transformer, an inverter, or a frequency converter.

  An outlet 28 provided in the control box 28 is arranged in a luggage compartment in the vehicle. Therefore, a person outside the vehicle cannot access the outlet 28c in a state where all the opening / closing parts of the vehicle 1 are locked. For this reason, in a state where all the opening / closing parts of the vehicle are locked, it is difficult for another person to remove the plug of the connection cable 34 inserted into the outlet 28c without permission. Further, in a state where all the opening / closing parts of the vehicle are locked, it is difficult for another person to connect another plug of the connection cable to the outlet 28c without permission. Thereby, even if the owner of the vehicle is away from the vehicle, the operation of the power feeding system by another person can be prevented.

  In addition, the control box 28 provided with the operation switch 28b and the outlet 28c is disposed in the luggage compartment. As a result, the operator can easily operate the operation switch 28b and attach / detach the connection cable 34 to / from the outlet 28c while standing outside the vehicle.

  Further, by arranging the operation switch 28b and the outlet 28c on the upper surface of the control box case 28, the plug of the connection cable 34 is inserted into the outlet 28c, and the operation switch 28b is switched from OFF to ON, and the operation switch 28b is turned ON. It is possible to efficiently perform the work of switching from OFF to OFF and removing the plug of the connection cable 34 from the outlet 28c. Further, since the operation switch 28b and the outlet 28c are arranged in the luggage compartment, the operator can operate the operation switch 28b and connect the connection cable 34 to the outlet 28c from the outside of the vehicle, for example, with the worker standing outside the vehicle. It can be easily attached and detached.

  The connection cable 34 is drawn out of the vehicle through the communication hole 36 opened in the cargo compartment floor 22. The communication hole 36 communicates the inside and outside of the vehicle even when all the opening / closing parts of the vehicle 1 are locked. For this reason, even if all the opening / closing parts of the vehicle 1 are locked, power can be supplied to the external device by passing the connection cable through the communication hole. As a result, even when the owner of the vehicle is away from the vehicle, it is possible to supply power to the external device in a state where all the opening / closing parts of the vehicle are locked while preventing the operation of the power feeding system by others.

  As shown in FIG. 3, the communication hole 36 opens to the cargo compartment floor portion 22 a facing the outer space of the interior wall (trim) 38 of the cargo compartment of the vehicle 1. This outer space is, for example, a jack storage space 40 (FIG. 4) provided at the side of the luggage compartment. This jack storage space 40 is provided near the right rear end of the cargo compartment.

Next, with reference to FIG. 4, the modification of the vehicle electric power feeding system by this invention is demonstrated.
FIG. 4 is a perspective view of the jack storage space on the side surface of the cargo compartment of the vehicle, and the jack that can be seen through the trim opening 38 a that appears by removing a jack lid (not shown) that forms part of the trim 38. The inside of the storage space 40 is shown.

  On the upper side of the trim opening 38a, an operation switch 48 of the control box 28 and an outlet 50 as a power supply terminal are arranged. By arranging the operation switch 48 and the outlet 50 in this way, the operation of operating the operation switch and the connection / disconnection of the connection cable to / from the power supply terminal can be efficiently performed in addition to the operation of passing the connection cable through the communication hole opened in the jack storage space. Can do. Furthermore, since the operation switch and the power supply terminal are disposed in the luggage compartment, the operator can easily operate the operation switch and attach / detach the connection cable while the operator is standing outside the vehicle.

  Note that only the operation switch 48 or only the outlet 50 may be disposed above the trim opening 38a. Further, after the operation switch 28b and the outlet 28c are arranged on the upper surface of the control box case 28a, the operation switch 48 and the outlet 50 may be further arranged above the trim opening 38a.

  Further, the cargo compartment floor portion 22 a of the jack storage space 40 in which the communication hole 36 is opened is not covered with the carpet 44 laid on the cargo compartment floor 22. For this reason, the communication hole 36 can be used without removing the carpet 44 only by removing the jack lid. Further, the jack storage space 40 can secure a space in which the cargo compartment floor portion 22a at the bottom of the jack storage space 40 opens the communication hole 36 even when the jack 44 is stored. Therefore, if a communication hole is opened in the floor portion 22a, it is not necessary to create a new space in the vehicle, and it is not necessary to greatly change the vehicle design.

  Further, the communication hole 36 is closed by a lid member 46 such as a rubber plug as shown in FIG. 4 when the power feeding system is not used. If the communication hole is closed by the lid member 44 when the vehicle power supply system is not used, moisture and dust can be prevented from entering the vehicle interior and noise entering the vehicle interior through the communication hole can be reduced. The

Next, with reference to FIG. 5, the modification of the vehicle electric power feeding system by this invention is demonstrated.
FIG. 5 is a side view of the vehicle 1. In the vehicle 1, a power outlet 50 is disposed in the opening 52 of the vehicle body outer plate toward the outside of the vehicle. The opening 52 is disposed at a position where the fuel filler port is disposed in a vehicle having a conventional internal combustion engine. By providing the outlet 50 on the outer surface of the vehicle, the connection cable 34 can be easily connected to the outlet 50 from the outside of the vehicle. The power supply outlet 50 may be arranged side by side with a charging terminal for charging the battery.

  In the above-mentioned embodiment, although the example which comprised this invention on the specific conditions was demonstrated, this invention can perform a various change and combination, and is not limited to this. For example, in the above-described embodiment, an example of an electric vehicle has been described, but the present invention is not limited to an electric vehicle. The present invention can also be applied to a vehicle such as a hybrid vehicle.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Motor room 4 Drive wheel 6 Motor unit 8 Motor inverter 10 Junction box 12 Battery charger 14 Battery mounting frame 16 Battery 18 Charging receptacle 20 Charging cable 22 Cargo compartment floor 22a Cargo compartment floor 22b Carpet 24 Recess 24a Bottom 26 Inverter 28 control box 28a control box case 28b operation switch 28c outlet 30 power cable 32 output cable 34 connection cable 36 communication hole 38 trim 38a trim opening 40 jack storage space 42 lid member 44 jack 46 carpet 48 operation switch 50 outlet 52 outlet

Claims (5)

A vehicle power supply system that is mounted on a vehicle having an electric motor that drives a wheel and a battery that supplies electric power to the electric motor, and that supplies electric power from the battery to the outside of the vehicle,
An inverter that converts a direct current supplied from the battery into an alternating current;
A control device for controlling supply of alternating current converted by the inverter to the outside of the vehicle;
An operation switch for manually operating start and stop of the control device;
A power supply terminal for outputting an alternating current output from the inverter;
With
The operation switch is disposed in a vehicle that cannot be contacted from outside the vehicle in a state where all the opening and closing parts of the vehicle are locked,
The power supply system for a vehicle, wherein the power supply terminal is disposed at a position where the power supply terminal can be contacted from outside the vehicle. The vehicle power supply system according to claim 1, wherein the power supply terminal is disposed in a vehicle that cannot be contacted from outside the vehicle in a state where all the opening and closing parts of the vehicle are locked. A communication hole that opens to the vehicle and communicates with the inside and outside of the vehicle in a state where all the opening and closing parts of the vehicle are locked, further includes a communication hole for connecting a connection cable for connecting an external device to the power supply terminal. The vehicle power supply system according to claim 2, wherein: The control device is disposed in a luggage compartment of a vehicle,
4. The vehicle power supply system according to claim 2, wherein the operation switch and the power supply terminal are arranged in a casing constituting the control device. The communication hole opens in a cargo compartment floor portion facing a jack storage space provided in a side portion of the cargo compartment of the vehicle,
4. The vehicle power supply system according to claim 3, wherein at least one of the operation switch and the power supply terminal is disposed around an opening portion opened in an interior wall of the cargo compartment for the jack storage space.

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