Disclosed is an electric vehicle battery attaching/detaching device including a battery having incision recesses formed on lateral portions, respectively, each incision recess having a lower engaging ledge; a battery mounting unit adapted to detachably mount the battery, the battery mounting unit ha
Disclosed is an electric vehicle battery attaching/detaching device including a battery having incision recesses formed on lateral portions, respectively, each incision recess having a lower engaging ledge; a battery mounting unit adapted to detachably mount the battery, the battery mounting unit having grasping holders formed on a bottom portion and adapted to engage with or disengage from the lower engaging ledges of the battery incision recesses; and a controller adapted to rotate the grasping holders in response to an electric signal so that the grasping holders engage with or disengage from the lower engaging ledges of the battery incision recesses.
대표청구항▼
1. An electric vehicle battery attaching/detaching device comprising: a battery mounting unit formed on an electric vehicle and adapted to detachably mount a battery;a loader having a plurality of battery stands, each battery stand being adapted to detachably mount a fully-charged battery to be exch
1. An electric vehicle battery attaching/detaching device comprising: a battery mounting unit formed on an electric vehicle and adapted to detachably mount a battery;a loader having a plurality of battery stands, each battery stand being adapted to detachably mount a fully-charged battery to be exchanged with the battery mounted on the battery mounting unit; anda battery attaching/detaching unit adapted to move along X-axis, Y-axis, and Z-axis between the battery mounting unit and the battery stand by means of a movement device, detach a battery mounted on the battery mounting unit or the battery stand, and exchange and mount the battery on the battery stand or the battery mounting unit,wherein the battery has coupling holes formed near corners, upper surface incisions formed on both lateral portions, respectively, each upper surface incision having an engaging ledge formed at a predetermined height from a bottom portion, and lower surface incisions formed on front and rear portions, respectively, each lower surface incision having an engaging ledge formed at a predetermined height from a top portion. 2. The electric vehicle battery attaching/detaching device as claimed in claim 1, wherein the battery mounting unit comprises: a bottom portion of a predetermined area so that the battery is seated and supported;coupling protrusions extending a predetermined length in a direction perpendicular to the bottom portion, the coupling protrusions being positioned on an identical vertical line with the coupling holes of the battery; andgrasping holders adapted to engage with or disengage from the engaging ledges of the upper surface incisions of the battery by means of elastic force. 3. The electric vehicle battery attaching/detaching device as claimed in claim 2, wherein the grasping holders are adapted to make hinge rotation in a forward/backward direction by means of elastic members, the grasping holders have stepped portions formed to horizontally engage with the engaging ledges formed on the upper surface incisions of the battery, respectively, and a slanted surface portion is formed to be slanted upwards from an inner end surface of each stepped portion in an outward direction. 4. The electric vehicle battery attaching/detaching device as claimed in claim 1, wherein the movement device comprises: a pair of fixed guide rails installed horizontally on the loader;a variable guide rail installed on the fixed guide rails in a perpendicular direction thereto, wherein the variable guide rail moves horizontally along one of X-axis or Y-axis;a movable rail adapted to move horizontally along the other of X-axis or Y-axis with regard to the variable guide rail, as well as move vertically along Z-axis, the battery attaching/detaching unit being installed on a lower end of the movable rail. 5. The electric vehicle battery attaching/detaching device as claimed in claim 2, wherein the battery attaching/detaching unit is installed on the movement device to be able to move along X-axis, Y-axis, and Z-axis, and the battery attaching/detaching unit comprises: a main unit shaped and sized in conformity with the battery;grasping units formed on front and rear surfaces of the main unit, respectively, and adapted to make hinge rotation vertically and horizontally in response to electric signals; anddisengaging units formed on left and right surfaces of the main unit, respectively, and adapted to make hinge rotation vertically and horizontally in response to electric signals. 6. The electric vehicle battery attaching/detaching device as claimed in claim 5, wherein the grasping units are positioned to vertically correspond to the lower surface incisions of the battery and have a corresponding number, each grasping unit has a vertical unit adapted to make hinge rotation vertically or horizontally in response to an electric signal and a horizontal unit extending from an end of the vertical unit in a perpendicular direction, and the horizontal units are adapted to horizontally engage with the engaging ledges formed on the lower surface incisions of the battery, when the grasping units are folded, and grasp the battery. 7. The electric vehicle battery attaching/detaching device as claimed in claim 5, wherein the disengaging units are positioned to vertically correspond to the upper surface incisions of the battery and the grasping holders of the battery mounting unit and have a corresponding number. 8. The electric vehicle battery attaching/detaching device as claimed in claim 1, wherein the battery stand comprises: a bottom portion of a predetermined area so that the battery is seated and supported; andcoupling protrusions extending a predetermined length in a direction perpendicular to the bottom portion, the coupling protrusions being positioned on an identical vertical line with the coupling holes of the battery. 9. The electric vehicle battery attaching/detaching device as claimed in claim 8, wherein grasping holders are installed on the bottom portion of the battery stand and adapted to engage with or disengage from the engaging ledges of the upper surface incisions of the battery by means of elastic force.
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이 특허에 인용된 특허 (27)
Yu, Chi-Man; Sim, Joo-Sub; Park, Yong-Geu; Jang, Woong-Sung; Kim, Yun-ha; Park, Jun-Seok; Choi, Woong-Chul; Jeong, Jay-Il, Attach and detach device of battery for electric vehicle.
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