KR20120012657A

KR20120012657A - Electric vehicle

Info

Publication number: KR20120012657A
Application number: KR1020100074751A
Authority: KR
Inventors: 이진만
Original assignee: (주)브이이엔에스
Priority date: 2010-08-02
Filing date: 2010-08-02
Publication date: 2012-02-10

Abstract

An electric vehicle according to the present invention includes a front cross member; A left front member coupled to the left side of the front cross member; A right front member coupled to the right side of the front cross member; A motor room cross member coupled to the left front member and the right front member at a distance from the front cross member; A plurality of reinforcing members coupled to a front end of the motor room cross member, coupled to a rear end of the front cross member, and spaced apart in left and right directions; An installation plate coupled to the upper surface of the plurality of reinforcing members, respectively, and formed to extend left and right; A charger installed on the motor room cross member and the mounting plate so as to be positioned above one of the plurality of reinforcing members; Including a converter installed in the motor room cross member and the mounting plate to be located above the other one of the plurality of reinforcing members, the charger and the converter can be installed firmly in the motor room, there is an advantage of high space utilization of the motor room .

Description

Electric vehicle

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vehicle, and more particularly, to an electric vehicle capable of installing a charger and a converter in a motor room.

In general, an electric vehicle (EV) is mainly a vehicle that obtains power by driving an AC or DC motor by using a battery power, and is classified into a battery-only electric vehicle and a hybrid electric vehicle. The motor can be driven using the power supply and recharged when the power is exhausted. The hybrid electric vehicle can operate the engine to generate electricity to charge the battery, and use the electricity to drive the electric motor to move the car. .

In addition, hybrid electric vehicles can be classified into a series and a parallel method, in which the mechanical energy output from the engine is converted into electrical energy through a generator, and the electrical energy is supplied to a battery or a motor so that the vehicle is always driven by a motor. It is a concept of adding an engine and a generator to increase the mileage to an existing electric vehicle, and the parallel method can drive a vehicle with a battery power and drive two vehicles only with an engine (gasoline or diesel). In parallel, depending on the driving conditions, the engine and the motor may drive the vehicle simultaneously.

Such an electric vehicle is provided with a battery pack having at least one battery cell for supplying power.

An object of the present invention is to provide an electric vehicle that can efficiently install a charger and a converter in a motor room and maximize space utilization.

The present invention is a front cross member; A left front member coupled to the left side of the front cross member; A right front member coupled to the right side of the front cross member; A motor room cross member coupled to the left front member and the right front member at a distance from the front cross member; A plurality of reinforcing members coupled to a front end of the motor room cross member and coupled to a rear end of the front cross member and spaced apart in left and right directions; Mounting plates respectively coupled to the plurality of upper surfaces of the reinforcing members and formed to extend from side to side; A charger installed on the motor room cross member and the mounting plate to be positioned above one of the plurality of reinforcing members; And a converter installed on the motor room cross member and the mounting plate to be positioned above the other one of the plurality of reinforcing members.

The motor room cross member may be coupled to an upper surface of the left front member and the right front member.

The motor room cross member may have a left side bolted to the left front member and a right side bolted to the right front member.

The plurality of reinforcing members may be bolted to the rear end of the front cross member.

The motor room cross member may further include an auxiliary battery mounting plate installed at one side of the left and right sides of the auxiliary battery.

The auxiliary battery mounting plate may be spot-coupled to the motor room cross member.

The plurality of reinforcing members may be spot welded to the motor room cross member, and the mounting plate may be spot welded to the plurality of reinforcing members.

The motor room cross member may have a bent portion that is formed to protrude upward from the left and right portions between the left and right portions.

The plurality of reinforcing members may be coupled to the bent portion.

According to the present invention, the charger and the converter can be firmly installed by the motor room cross member, the plurality of reinforcing members and the mounting plate, the space utilization of the motor room is high, and the torsional rigidity is high.

In addition, the bent portion is formed in the motor room cross member, there is an advantage to secure the motor installation space.

In addition, since the motor room cross member, the plurality of reinforcing members, the mounting plate and the auxiliary battery mounting plate may be spot welded and integrated, the installation work may be easy and the work performance may be improved.

1 is an exploded perspective view of a main part of an embodiment of an electric vehicle according to the present invention;
2 is a plan view of the vehicle body shown in FIG.
3 is an exploded perspective view of the mounting kit shown in FIG.
FIG. 4 is a perspective view before coupling the mounting kit shown in FIG. 2 to the front vehicle body. FIG.

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

1 is an exploded perspective view of main parts of an embodiment of an electric vehicle according to the present invention.

Referring to FIG. 1, an electric vehicle according to the present embodiment includes a vehicle body 2, a wheel, a motor generating a driving force for rotating the wheel, and a battery pack 400 supplying power required for driving the motor. .

The vehicle body 2 includes a front vehicle body 100 on which a motor and a power transmission system are mounted, and a rear vehicle body 300 for storing a passenger body in which a passenger can ride and sit, a spare tire and other objects. It may be configured to include).

The vehicle body 2 can create a closed space to arrange various devices therein, to accommodate occupants or cargo, and to open and close a part of the vehicle body 2 to facilitate entry and exit of passengers or cargo and maintenance of various devices.

The vehicle body 2 may be an appearance shape of an electric vehicle as it is.

The front vehicle body 100 may be provided with components of a power transmission system such as a motor and a transmission.

The front vehicle body 100 forms a motor room R in which a motor can be installed.

The front vehicle body 100 may be provided with a steering device for adjusting the direction of the rotation axis of the front wheel to change the traveling direction of the electric vehicle, and a front wheel suspension device so that the vibration of the road surface does not directly contact the vehicle body.

The front vehicle body 100 is broken when it receives an impact due to an accident, so that a large shock is not transmitted to the cabin as the shock is absorbed.

Since the central body 200 is mostly a cabin, i.e., a place for occupants, the interior space is increased as much as possible.

The central vehicle body 200 includes a floor 210 forming the bottom surface of the electric vehicle, and a central tunnel 230 formed at the center of the floor 210.

The floor 210 is a panel having a large area as the floor surface of the vehicle interior.

The central tunnel 230 is formed to be led upwards and long in the front-rear direction. The central tunnel 230 may be integrally formed on the floor 210, or may be separately formed and coupled by welding or the like.

The rear vehicle 300 may be connected to a trunk that stores spare tires and other objects, and a trunk door covering the trunk.

The rear vehicle 300 may be provided with a rear wheel suspension so that the vibration of the road surface does not directly contact the vehicle body.

The battery pack 400 may be installed in the central vehicle 200 of the vehicle body 2, and may be installed in the rear vehicle body 300 of the vehicle body 2, and the rear of the central vehicle body 200 and the rear of the vehicle body 2. It may be installed in the vehicle body 300.

FIG. 2 is a plan view of the vehicle body shown in FIG. 1, FIG. 3 is an exploded perspective view of the mounting kit shown in FIG. 2, and FIG. 4 is a perspective view before coupling the mounting kit shown in FIG. 2 to the front vehicle body.

2 to 4, the electric vehicle according to the present embodiment includes a mounting kit 500 installed in the front vehicle body 100.

The front vehicle body 100 includes a front cross member 110; A left front member 120 coupled with a left side of the front cross member 110; The right front member 130 is coupled to the right side of the front cross member 110.

The front cross member 110 is disposed long in the left and right direction on the front side of the central vehicle body 200.

The left front member 120 is disposed to protrude forward on the left side of the front cross member 110.

The right front member 130 is disposed to protrude forward on the right side of the front cross member 110.

The mounting kit 500 may be equipped with a main component installed in an electric vehicle, for example, a charger, a converter, a backup battery, and the like, hereinafter, the charger 600, the converter 700, and the backup battery. It is described by mounting the 800.

Here, the charger is to charge the power supplied from the outside to the battery pack 400, the converter is to convert the voltage (current) of the power charged in the battery pack 400 to apply to each component such as a motor, The auxiliary battery 800 is charged with power supplied to various components such as headlamps.

Mounting kit 500 is preferably installed to be located approximately in the upper portion of the motor room (R) shown in Figure 1, and bolted to the front cross member 110, the left front member 120 and the right front member 130 It is preferable to combine.

The mounting kit 500 includes a motor room cross member 510 coupled to the left front member 120 and the right front member 130 at a distance from the front cross member 110; The front end members 522 and 532 are coupled to the motor room cross member 510, and the rear end parts 524 and 534 are coupled to the front cross member 110.

The motor room cross member 510 has a bent portion 516 that is bent to protrude upward from the left and right portions 512 and 514 between the left and right portions 512 and 514.

The bent portion 516 is formed to secure an installation space for a motor (not shown) installed in the motor room R illustrated in FIG. 1.

The front part of the charger 600 and the rear part of the converter 700 are coupled to the motor room cross member 510, respectively.

The reinforcing members 520 and 530 are installed to be spaced apart in the left and right directions so as to stably support the charger 600 and the converter 700, respectively.

That is, the reinforcing members 520 and 530 include a converter reinforcing member 520 in which the converter 700 is placed on the upper side, and a charger reinforcing member 530 in which the charger 600 is placed on the upper side.

In the plurality of reinforcing members 520 and 530, tip portions 522 and 532 are coupled to the bent portion 516.

The plurality of reinforcing members 520 and 530 are rounded round between the front end 522, 532 and the rear end 524, 534 in consideration of the height difference between the bend 516 and the front cross member 110. The addition is formed.

The mounting kit 500 further includes an installation plate 540 which is coupled to the upper surfaces of the plurality of reinforcing members 520 and 530, respectively, and is formed to extend left and right.

The installation plate 540 connects the plurality of reinforcing members 520 and 530 to reinforce the strength of the mounting kit 500.

The mounting plate 540 is coupled to the rear of the charger 600 and the rear of the converter 700, respectively.

The mounting kit 500 further includes an auxiliary battery mounting plate 550 installed at one side 512 of the left and right sides 512 and 514 of the motor room cross member 510.

The auxiliary battery mounting plate 550 includes a plate body 552 on which the auxiliary battery is mounted, and a coupler 554 formed to protrude upward from the plate body 552 and coupled to the auxiliary battery 800.

The mounting kit 500 is the front vehicle body 100 after the motor room cross member 510, the plurality of reinforcing members 520, 530, the mounting plate 540, and the auxiliary battery mounter 550 are spot welded and integrated. Is coupled to.

That is, the plurality of reinforcing members 520, 530, the front end portion 522, 532 is spot welded to the motor room cross member 516, the mounting plate 540 is a plurality of reinforcing members (520, 530) And spot welded, the auxiliary battery mounting plate 550 is spot-spot-coupled to the motor room cross member 510.

Mounting kit 500 is the motor room cross member 510 is coupled to the upper surface of the left front member 120 and the right front member 130, a plurality of reinforcing members 520, 530 is the front cross member 110 Is coupled to the top of the.

The mounting kit 500 is bolted after the left side 512 of the motor room cross member 510 is mounted on the left front member 120, and the right side 514 of the motor room cross member 510 is the right front member. It is bolted after being mounted on the 130, the rear end 524, 534 of the plurality of reinforcing members (520, 530) is mounted on the front cross member 110 and then bolted.

The motor room cross member 510 has a through hole 517 through which the bolt penetrates in the left side 512, and a through hole 518 through which the bolt penetrates in the right side 514.

The reinforcing members 520 and 530 have through holes 526 and 536 through which bolts pass through the rear ends 524 and 534.

The auxiliary battery mounting plate 550 has a through hole 517 of the motor room cross member 510 such that the bolt penetrates the through hole 517 of the motor room cross member 510 after the bolt passes through the auxiliary battery mounting plate 550. The through hole 556 is in communication with the up and down is formed.

That is, one of the bolts coupling the mounting kit 500 to the front vehicle body 100 sequentially passes through the through hole 556 of the auxiliary battery mounting plate 550 and the through hole 517 of the motor room cross member 510. It is fastened to one of the left front member 120 and the right front member 130.

The mounting kit 500 is firmly coupled to the front vehicle body 100 by bolting the left and right sides of the front portion and the left and right portion of the rear portion to the front vehicle body 100.

The charger 600 is installed on the motor room cross member 510 and the mounting plate 540 to be positioned above the one of the plurality of reinforcing members 530.

The converter 700 is installed on the motor room cross member 510 and the mounting plate 540 to be positioned above the other one of the plurality of reinforcing members 520.

The auxiliary battery 800 is mounted on the upper side of the auxiliary battery mounting plate 550.

100: front body 400: battery pack
500: mounting kit 510: motor room cross members
520: converter reinforcement member 530: charger reinforcement member
540: mounting plate 550: spare battery mounting plate
600: charger 700: converter
800: secondary battery

Claims

A front cross member;
A left front member coupled to the left side of the front cross member;
A right front member coupled to the right side of the front cross member;
A motor room cross member coupled to the left front member and the right front member at a distance from the front cross member;
A plurality of reinforcing members coupled to a front end of the motor room cross member and coupled to a rear end of the front cross member and spaced apart in left and right directions;
Mounting plates respectively coupled to the plurality of upper surfaces of the reinforcing members and formed to extend from side to side;
A charger installed on the motor room cross member and the mounting plate to be positioned above one of the plurality of reinforcing members;
And a converter installed on the motor room cross member and the mounting plate to be positioned above the other one of the plurality of reinforcement members.

The method of claim 1,
The motor room cross member is coupled to an upper surface of the left front member and the right front member.

The method of claim 1,
The motor room cross member is an electric vehicle having a left side bolted to the left front member and a right side bolted to a right front member.

The method of claim 3, wherein
The plurality of reinforcing members are bolted to the rear end of the front cross member.

The method of claim 1,
And an auxiliary battery mounting plate installed at one side of the left and right sides of the motor room cross member and installed with an auxiliary battery.

The method of claim 5, wherein
The auxiliary battery mounting plate is spot-electrically coupled to the motor room cross member.

The method of claim 5, wherein
The plurality of reinforcing members are spot welded to the motor room cross member,
The installation plate is an electric vehicle that is spot welded to the plurality of reinforcing members.

The method of claim 5, wherein
The motor room cross member is an electric vehicle having a bent portion protruding upward from the left and right portions between the left and right portions.

The method of claim 8,
The plurality of reinforcing members are coupled to the bent portion.