JP5462651B2 - Garage - Google Patents

Description

  The present invention relates to a garage for an electric vehicle.

Conventionally, an electric vehicle using a motor as a drive source is known. In an automobile using this type of motor as a drive source, the motor is generally driven by the electric power stored in the battery. Therefore, when the electric power of the battery is exhausted, the motor cannot be driven, and the automobile is self-propelled. It becomes impossible. Therefore, it is necessary to always store electric power in the battery.
By the way, it takes a considerable amount of time to charge the battery. Therefore, as a method of charging the battery of an electric vehicle, a charging device is installed in a garage at home and the electric vehicle is not used. A method of charging an electric vehicle by parking it in a garage has been proposed (for example, see Patent Document 1).

Japanese Utility Model Publication No. 5-57229

However, in the conventional garage such as Patent Document 1, since the charging port position differs depending on the vehicle type, it is necessary to set the length of the cable long. As a result, the weight of the cable becomes heavy, and the handling property at the time of charging is increased. There is a problem of being bad. In consideration of rapid charging, there is a problem that the cable needs to be thick, and thus the weight of the cable further increases and the handling property at the time of charging is poor. In addition, since the cable is crushed around the ground, there is a problem that the cable must be protected with a covering or the like in consideration of rubbing or intrusion into a water pool. Furthermore, since the cable may be crushed by the tire, there is a problem that the strength of the cable must be ensured. The cable can be prevented from becoming complicated by using an automatic winder or the like, but there is a problem that a user's hand gets dirty by touching the cable that has been wound around the ground when the cable is pulled out.
As described above, the conventional garage has a problem in safety such as the occurrence of electric leakage due to poor cable handling and damage to the cable coating.

  Therefore, the present invention has been made in view of the above circumstances, and when charging an electric vehicle, it is possible to improve the cable handling performance and to increase the waterproofness and to charge safely. Provide a secure garage.

  In order to solve the above problems, the invention described in claim 1 is an electric vehicle equipped with a power storage device (for example, the battery 13 in the embodiment) that is charged with electric power from an external power source and stores electric power for traveling. (E.g., the electric vehicle 10 in the embodiment) is a garage (e.g., the garage 20 in the embodiment), and a parking space (e.g., the parking space 21 in the embodiment) of the electric vehicle having a substantially rectangular shape in plan view; A pair of struts (for example, struts 22 and 23 in the embodiment) disposed at both ends of at least one side in the front-rear direction of the electric vehicle in the parking space are disposed so as to connect the pair of struts. A frame (for example, the frames 25 and 125 in the embodiment), the frame is formed in a hollow shape and has a bottom surface (for example, An opening (for example, the openings 30 and 130 in the embodiment) is formed along the front-rear direction of the electric vehicle on the bottom portion 36) or the side surface (for example, the side surface 134 in the embodiment) in the embodiment, and the frame A bus bar (for example, the bus bar 28 in the embodiment) through which a current from the external power source flows is disposed along the front-rear direction of the electric vehicle and contacts the bus bar. A power supply arm configured to be able to supply power to the vehicle (for example, the power supply arm 31 in the embodiment) is provided to be movable along the opening.

  According to the second aspect of the present invention, a protrusion (for example, the second protrusion 44 in the embodiment) extending in a substantially horizontal direction from one side surface (for example, the one side surface 42 in the embodiment) is provided inside the frame. ) Is formed at a predetermined interval (for example, the space 40 in the embodiment) from the other side surface (for example, the other side surface 43 in the embodiment), and the bus bar is located above the protrusion in the frame. And the power supply arm has one end in contact with the bus bar and bypasses the protrusion so as to bypass the opening through the predetermined interval. It is derived outside the frame.

  The invention described in claim 3 is characterized in that a bottom surface inside the frame (for example, the bottom surface 47 in the embodiment) is inclined downward toward the opening.

  The invention described in claim 4 is characterized in that a surface of the protruding portion on which the bus bar is disposed (for example, the upper surface 44a in the embodiment) is inclined downward toward the predetermined interval. It is said.

According to the first aspect of the present invention, since the power supply arm attached to the frame can be moved in the front-rear direction of the electric vehicle, it is not necessary to increase the length of the cable provided in the power supply arm. Therefore, when the electric vehicle is charged, the cable handling property can be improved.
In addition, the bus bar is arranged above the inside of the frame, and an opening is formed on the bottom or side of the frame, so even if condensation occurs inside the frame, the frame can be smoothly moved without affecting the bus bar. Condensed water can be discharged outside. Therefore, the waterproof performance in the frame can be improved, and the charging operation can be performed safely.

  According to the second aspect of the present invention, the bus bar cannot be directly seen from the opening due to the protrusion formed inside the frame. Therefore, the waterproof performance of the bus bar can be further enhanced, and the charging operation can be performed more safely.

  According to the third aspect of the present invention, condensed water or the like generated inside the frame can be smoothly discharged from the opening.

  According to the fourth aspect of the present invention, condensed water or the like generated near the bus bar can be smoothly guided to the opening side.

It is a schematic structure figure (side view) of the electric vehicle in the embodiment of the present invention. It is a schematic structure figure (perspective view) of the garage in the embodiment of the present invention. It is sectional drawing in the flame | frame in embodiment of this invention. It is a fragmentary sectional view around the rotating shaft of the power feeding arm in the embodiment of the present invention. It is sectional drawing which shows the state at the time of charge in sectional drawing of FIG. It is a schematic block diagram which shows another aspect of the garage in embodiment of this invention. It is sectional drawing in the flame | frame in the case of FIG. It is a schematic block diagram which shows another aspect of the garage in embodiment of this invention.

  Next, an embodiment of the present invention will be described with reference to FIGS. In the present embodiment, an electric vehicle will be described as an electric vehicle.

(Electric car)
FIG. 1 is a schematic configuration diagram of an electric vehicle. As shown in FIG. 1, an electric vehicle 10 includes a drive motor 12, a battery 13 disposed on the lower floor of the vehicle to supply electric power to the drive motor 12, and a control unit that controls traveling of the electric vehicle 10. 14.

  The vehicle side portion is provided with a charging port 15 to which a charging connector is connected in order to charge power from an external power source when the remaining amount of the battery 13 is low.

  The electric vehicle 10 configured as described above can normally run by supplying power to the drive motor 12 while the battery 13 is charged with power. However, when the remaining amount of the battery 13 runs out, the electric vehicle 10 cannot run on its own.

  In this way, charging is performed when the remaining amount of the battery 13 of the electric vehicle 10 decreases. In the present embodiment, the structure of the garage 20 that can charge the battery 13 of the electric vehicle 10 will be described.

  As shown in FIG. 2, the garage 20 includes a parking space 21 of the electric vehicle 10 having a substantially rectangular shape in plan view, and a pair of struts 22 disposed at both ends of at least one side in the front-rear direction of the electric vehicle 10 in the parking space 21. 23 and a frame 25 disposed so as to connect the pair of support columns 22 and 23 to each other. Further, a charger 26 for supplying power to the battery 13 of the electric vehicle 10 is provided in the immediate vicinity of the parking space 21, and a cable 27 extending from the charger 26 is a bus bar arranged inside the frame 25. 28 (see FIG. 3). The bus bar 28 may be configured to be connected to the household outlet 29 instead of the charger 26.

  As shown in FIGS. 2 and 3, an opening 30 is formed in the frame 25 along the longitudinal direction (front-rear direction of the electric vehicle 10), and the power feeding arm 31 moves along the opening 30. It is attached as possible. A charging connector 32 is attached to the tip of the power supply arm 31. The cable 33 connected to the charging connector 32 is wound around a reel drum 35 (see FIG. 4) provided in the power supply arm 31, and the charging connector 32 is placed at a desired position (the charging port 15 of the electric vehicle 10). The power supply arm 31 can be housed and held when not in use.

  The frame 25 is a hollow member made of metal, for example, and is spanned between the pair of support columns 22 and 23. Further, the opening 30 is formed in the bottom portion 36 of the frame 25 along the longitudinal direction, and is configured such that the power feeding arm 31 can move along the opening 30. Further, an insulating member 38 is provided so as to cover the inner peripheral surface 37 of the frame 25. A first protrusion 41 is formed on the upper surface 39 of the insulating member 38 vertically downward, and a second protrusion 44 is formed on the one side surface 42 toward the other side surface 43 in a substantially horizontal direction. . Similarly, an opening 46 is formed in the bottom 45 of the insulating member 38 at a position corresponding to the opening 30 of the frame 25. Here, when the inside of the insulating member 38 is viewed from the opening 46, the first protrusion 41 is formed at a position that cannot be seen by the second protrusion 44. Further, the bottom surface 47 of the insulating member 38 is inclined toward the opening 46 so as to have a downward slope. Furthermore, the upper surface 44a of the second protrusion 44 on the side where the bus bar 28 is disposed has a downward slope toward a space (predetermined interval) 40 formed between the tip of the second protrusion 44 and the other side surface 43. Inclined.

  A positive electrode 48 and a negative electrode 49 of the bus bar 28 are respectively disposed on both side surfaces of the first protrusion 41. Accordingly, the bus bar 28 is disposed so as to wrap in the vertical direction with the second protrusion 44, and for example, even if water enters the inside of the frame 25 from the opening 30, water is prevented from being directly applied to the bus bar 28. be able to.

  Further, a positive contact 50 and a negative contact 51 are provided inside the frame 25 so as to face the positive electrode 48 and the negative electrode 49 of the bus bar 28. The positive contact 50 is attached to the positive arm member 52, and the negative contact 51 is attached to the negative arm member 53. That is, the positive electrode side arm member 52 and the negative electrode side arm member 53 are constituent members of the power feeding arm 31. The positive electrode 48 and the positive electrode contact 50 and the negative electrode 49 and the negative electrode contact 51 are separated from each other when not used (when not charged), and contacted and energized when used (when charged). Has been.

  The positive arm member 52 is formed in a substantially L shape when viewed from the front, and has a vertical portion 54 and a horizontal portion 55. A positive electrode contact 50 is attached to the vertical portion 54. The horizontal portion 55 is connected to a rotation rod 58 of a rotation member 57 described later. Further, a biasing member 59 is provided on the surface of the horizontal portion 55 facing the negative electrode side arm member 53. The biasing member 59 biases the negative arm member 53 away from the positive arm member 52 when not in use.

  The negative arm member 53 includes a first vertical portion 60 to which the negative contact 51 is attached, and a first horizontal portion 61 that extends from the first vertical portion 60 toward the horizontal portion 55 of the positive arm member 52. A second horizontal portion 62 extending substantially horizontally from the lower end of the first vertical portion 60, and a second vertical portion 63 extending vertically downward from the second horizontal portion 62. doing.

  A bearing 65 is appropriately provided on the bottom surface 64 of the second horizontal portion 62 of the negative arm member 53, and the negative arm member 53 is disposed on the bottom surface 47 of the insulating member 38 via the bearing 65. That is, the negative arm member 53 (and the positive arm member 52) is configured to be movable in the longitudinal direction inside the frame 25.

  The first horizontal portion 61 of the negative arm member 53 is formed with a through hole 67 through which the rotating rod 58 of the rotating member 57 is inserted. The through hole 67 is formed larger than the outer shape of the rotating rod 58 in order to rotate the rotating rod 58.

  The rotation member 57 includes a rotation rod 58 for rotating the positive arm member 52, a rotation shaft portion 68 serving as a rotation center of the rotation rod 58, and a rotation rod 58 for rotating the rotation rod 58. And a plate portion 69 to which the tension cable 70 is attached.

  The rotating rod 58 is a rod-shaped member formed in an L shape in a front view. The rotating rod 58 is inserted through the through hole 67 of the negative electrode side arm member 53 and is connected to the positive electrode side arm member 52 by screwing or the like. The rotating rod 58 is bent in an L shape at a portion exposed from the through hole 67 of the negative electrode side arm member 53, and a rotating shaft portion 68 is provided at an end thereof. The rotation shaft portion 68 is disposed so as to substantially contact the side surface 71 of the first vertical portion 60 of the negative electrode side arm member 53. A plate portion 69 extends from the rotation shaft portion 68 in a direction substantially horizontal and away from the negative arm member 53.

  One end of a tension cable 70 is attached to the plate portion 69, and this tension cable 70 is extended from the opening 30 to the outside of the frame 25, and the user pulls the other end, whereby the positive electrode 48 of the bus bar 28 and The positive electrode contact 50, the negative electrode 49, and the negative electrode contact 51 can be brought into contact with each other.

  Further, the second vertical portion 63 of the negative arm member 53 extends outward from the opening 30 of the frame 25, but a movable arm 72 that is rotatable with respect to the second vertical portion 63 at the end thereof. Are connected. That is, the second vertical portion 63 and the movable arm 72 are connected via the rotation shaft 73.

  Further, a charging connector 32 is disposed on the distal end side of the movable arm 72. Cables 74 and 75 are respectively disposed between the charging connector 32 and the positive contact 50 and the negative contact 51. By connecting the charging connector 32 to the charging port 15 of the electric vehicle 10, the battery of the electric vehicle 10 is provided. 13 can be charged with electric power.

  Here, the length of the cable 33 (74, 75) can be adjusted by pulling the charging connector 32 with respect to the movable arm 72. Therefore, even if the position of the charging port 15 varies depending on the vehicle type, the charging connector 32 can be smoothly connected to the charging port 15. Further, by accommodating the cable 33 (74, 75) in the movable arm 72 when not in use, it is possible to prevent the cable 33 (74, 75) from being exposed and damaging the coating when not in use. .

Next, the configuration of the length adjustment mechanism of the cable 33 (74, 75) will be described.
As shown in FIG. 4, the second vertical portion 63 and the movable arm 72 are both formed in a hollow shape, and the reel drum around which the cable 33 (74, 75) is wound along the outer periphery of the rotating shaft 73. 35 is disposed. When not in use, the cables 74 and 75 are held around the reel drum 35 arranged along the outer periphery of the rotation shaft 73.

  Further, a gear 77 and a spring 78 are disposed on one axial end side of the rotation shaft 73. The gear 77 is configured to mesh with a stopper 79 provided nearest by pulling the tension cable 70 described above, and can regulate the rotation of the rotation shaft 73 (reel drum 35). That is, the exposed length of the cables 74 and 75 can be regulated. The spring 78 has a biasing force so that the rotation shaft 73 (reel drum 35) rotates in the direction of rewinding the cables 74 and 75 when the engagement between the gear 77 and the stopper 79 is released after charging is completed. doing.

  Flange 80 and 81 are formed at both axial ends of the reel drum 35, a positive cable energizing portion 82 is formed along the outer peripheral edge of the flange 80, and a negative cable energizing portion is formed along the outer peripheral edge of the flange 81. 83 is formed.

  Further, a notch 84 is formed on the outer peripheral surface of the rotating shaft 73 facing the reel drum 35. A projection 86 is formed from the shaft 85 of the reel drum 35 toward the notch 84. Further, an urging member 87 is disposed in the notch 84. The biasing member 87 has a biasing force in a direction in which the biasing member 87 extends. In the present embodiment, a protrusion 86 and a biasing member 87 are disposed in the notch 84, and the reel drum 35 is normally positioned on the left side when viewed from the front.

  Furthermore, a positive electrode energization unit 88 is provided so as to sandwich the positive cable energization unit 82, and the positive cable energization unit 82 and the positive electrode energization unit 88 are configured to contact and separate. A configuration in which the positive cable energization portion 82 and the positive electrode energization portion 88 are in contact with and separated from each other will be described. Note that the structure in which the negative electrode cable energizing portion 83 and the negative electrode energizing portion 89 are in contact with and separated from each other is the same as that on the positive electrode side, and thus description thereof is omitted.

  The positive electrode energizing part 88 is arranged on both sides of the flange 80 so as to face the positive cable energizing part 82. One positive electrode energizing portion 88 a is attached to a first member 91 that is movable relative to the power supply arm 31, and the other positive electrode contact 88 b is attached to a second member 92 that is fixed to the power supply arm 31.

  The first member 91 is connected to a first movable arm member 93 that is movable along the axial direction by pulling the tension cable 70. The second member 92 has a through hole 94 through which the first movable arm member 93 is inserted. The first movable arm member 93 is connected to the second movable arm member 96 via a rotation shaft 95 formed on the second member 92. Further, the second movable arm member 96 is connected to the third movable arm member 97 via the rotation shaft 98, and the third movable arm member 97 is connected to the tension cable 70.

  Further, the third movable arm member 97 is connected to the fourth movable arm member 100 via the rotating shaft 99 so that the negative cable energizing portion 83 and the negative electrode energizing portion 89 can be brought into contact with and separated from each other. It is configured. Further, a stopper 79 is connected to the tip of the fourth movable arm member 100, and the stopper 79 meshes with the gear 77 to restrict the movement of the rotating shaft 73 by pulling the tension cable 70. ing.

  Further, the cable 101 is connected between the positive electrode contact 50 and the positive electrode energization unit 88, and the cable 102 is connected between the negative electrode contact 51 and the negative electrode energization unit 89 (see FIG. 3).

The movement of the length adjustment mechanism of the cable 33 (74, 75) configured as described above will be described.
First, when charging the battery 13 of the electric vehicle 10, the charging connector 32 is moved to the charging port 15. At that time, when the charging connector 32 is pulled, the cable 33 (74, 75) wound around the reel drum 35 is pulled out, and the charging connector 32 can be easily moved to the charging port 15.

  Subsequently, the cable 33 is fixed so that the cable 33 is not rewound while the charging connector 32 is connected to the charging port 15. First, the user pulls the tension cable 70. Then, as shown in FIG. 5, the first to fourth movable arm members connected to the tension cable 70 move, and the stopper 79 provided at the tip of the fourth movable arm member 100 meshes with the gear 77. Then, since the rotation of the rotation shaft 73 is restricted, the length of the cable 33 is fixed.

  Subsequently, the cable 33 is energized so that a current flows. First, as described above, when the user pulls the tension cable 70, the length of the cable 33 is fixed, but the tension cable 70 is further pulled. Then, the 1st movable arm member 93 moves, the 1st member 91 moves to the 2nd member 92 side, and one positive electrode electricity supply part 88a and the positive electrode cable electricity supply part 82 contact | abut. Further, by pulling the tension cable 70, the first member 91 moves in the direction of pushing the reel drum 35, and the first member 91 and the reel drum 35 move toward the second member 92. At this time, it moves against the urging force of the urging member 87. Then, the positive cable energization part 82 and the other positive electrode energization part 88b abut. In addition, the negative electrode cable energization part 83 and the negative electrode energization part 89 are in contact with each other while the negative electrode side performs substantially the same movement.

  Further, returning to FIG. 3, by pulling the tension cable 70 in this way, the plate portion 69 of the rotating member 57 is pulled, and the rotating member 57 rotates about the rotating shaft portion 68. Then, the rotation rod 58 and the positive electrode side arm member 52 rotate counterclockwise, and the positive electrode contact 50 and the positive electrode 48 come into contact with each other. Further, by pulling the tension cable 70, the rotation shaft portion 68 of the rotation member 57 comes into contact with the side surface 71 of the first vertical portion 60, and the force that pushes the negative electrode side arm member 53 toward the positive electrode side arm member 52. Occur. Then, the negative arm member 53 moves in the direction of the positive arm member 52 against the urging force of the urging member 59, and the negative contact 51 and the negative electrode 49 come into contact with each other. Since the positive electrode 48 and the negative electrode 49 of the bus bar 28 are electrically connected to the charger 26, each cable is energized. Therefore, the battery 13 can be charged via the charging connector 32. During charging, the tension cable 70 is fixed in this state so that the energized state is not released.

  When the charging of the battery 13 of the electric vehicle 10 is completed, the charging connector 32 is separated from the charging port 15 and then the tension cable 70 is released. Then, the energized state is released by the urging force of the spring 78, the urging member 87, and the urging member 59, and the cable 33 (74, 75) returns to the state wound around the reel drum 35.

  That is, in this embodiment, after adjusting the exposed length of the cable 33 (74, 75) and arranging the charging connector 32 at a desired position, the tension cable 70 is pulled to restrict the rotation of the gear 77, The contact connection of the bus bar 28 and the length adjustment of the cable 33 (74, 75) can be performed simultaneously.

  On the other hand, when the tension cable 70 is released after the charging is completed, the contact of the bus bar 28 can be released, and the cable 33 (74, 75) is accommodated in the movable arm 72 so that the charging connector 32 is moved to the movable arm 72 side. Can be accommodated.

  According to the present embodiment, since the power supply arm 31 attached to the frame 25 can be moved along the front-rear direction of the electric vehicle 10, it is not necessary to increase the length of the cable 33 provided on the power supply arm 31. . Therefore, when the electric vehicle 10 is charged, the handling property of the cable 33 can be improved.

  Further, since the bus bar 28 is arranged above the inside of the frame 25 and the opening 30 is formed in the bottom portion 36 of the frame 25, even if condensation occurs inside the frame 25, the bus bar 28 is affected. Condensed water can be discharged smoothly outside the frame 25 without any problems. Therefore, the waterproof performance in the frame 25 can be improved, and the charging operation can be performed safely.

  Further, the bus bar 28 cannot be directly exposed from the opening 30 by the second protrusion 44 of the insulating member 38 disposed inside the frame 25. Therefore, the waterproof performance of the bus bar 28 can be further enhanced, and the charging operation can be performed more safely.

  Furthermore, since the bottom surface 47 of the insulating member 38 disposed inside the frame 25 is inclined downward toward the opening 46 (opening 30), the condensed water generated inside the frame 25 can be smoothly removed. It can discharge | emit from the opening part 46 (opening part 30).

  Since the upper surface 44a of the second protrusion 44 on the side where the bus bar 28 is disposed is inclined downward toward the space 40, the condensed water generated near the bus bar 28 can be smoothly opened. Part 30) side.

  The present invention is not limited to the above-described embodiment, and includes various modifications made to the above-described embodiment without departing from the spirit of the present invention. That is, the specific structure and shape described in the embodiment are merely examples, and can be changed as appropriate.

For example, in the present embodiment, as illustrated in FIG. 2, the case where the feeding arm 31 is disposed on the upper frame 25 among the frames spanned between the pair of support columns 22 and 23 has been described. As described above, the power feeding arm 31 may be arranged on the lower frame 125 so that the power feeding arm 31 can move along the frame 125. At this time, the cross section of the frame 125 may be configured as shown in FIG. That is, the opening part 130 of the frame 125 may be formed on the side surface 134 of the frame 125, and the end part of the negative electrode side arm member 153 may be configured to protrude from the opening part 130.
Further, the bottom surface 147 of the insulating member 138 disposed inside the frame 125 is inclined downward toward the opening 130, so that condensed water or the like generated inside the frame 125 can be smoothly discharged from the opening 130. Can do.
Further, the negative side arm member 153 is disposed on the bottom surface 147 of the insulating member 138 via the bearing 165, and is configured to be movable in the frame 125. A biasing member 156 is provided between the negative arm member 153 and the side surface 142 of the insulating member 138. By providing the biasing member 156, when the positive electrode 48 and the positive electrode contact 50 and the negative electrode 49 and the negative electrode contact 51 are brought into contact with each other and energized, the negative electrode side arm member 153 can be moved in the contact bonding direction. When not energized, the negative side arm member 153 can be moved in the direction opposite to the contact bonding direction (the direction in which the negative side arm member 153 is separated) by the biasing force of the biasing member 156. The urging member 156 may be fixed to the negative arm arm 153, or may be fixed to the insulating member 138. However, when fixing to the insulating member 138 side, a plurality of urging members 156 are arranged along the longitudinal direction of the frame 125.

  In the present embodiment, the case where the power supply arm 31 is arranged on the frame 25 that connects the pair of support columns 22 and 23 has been described. However, as illustrated in FIG. 8, the power supply arm 31 is bridged on the pair of leg portions 122 and 123. The feeding arm 31 may be disposed on the frame 225 that has been made.

  Furthermore, although the present embodiment has been described using an electric vehicle (four-wheeled vehicle) as an electric vehicle, the present invention can also be applied to an electric motorcycle, an electric cart, and the like.

  DESCRIPTION OF SYMBOLS 10 ... Electric vehicle (electric vehicle) 13 ... Battery 20 ... Garage 21 ... Parking space 22, 23 ... Strut 25 ... Frame 28 ... Bus bar 30 ... Opening part 31 ... Feeding arm 36 ... Bottom part 40 ... Space (predetermined space) 42 ... One side surface 43 ... the other side surface 44 ... the second protrusion (projection) 44a ... the top surface (surface) 47 ... the bottom surface 125 ... the frame 130 ... the opening 134 ... the side surface

Claims (4)

It is a garage where an electric vehicle equipped with a power storage device that is charged with electric power from an external power source and stores electric power for traveling stops.
A parking space of the electric vehicle having a substantially rectangular shape in plan view;
A pair of struts arranged at both ends of at least one side of the electric vehicle in the parking space in the front-rear direction;
A frame arranged to connect between the pair of struts,
The frame is formed in a hollow shape, and an opening is formed on the bottom surface or side surface along the front-rear direction of the electric vehicle.
Above the inside of the frame, a bus bar through which a current from the external power source flows is disposed along the front-rear direction of the electric vehicle,
A garage characterized in that a power supply arm configured to be able to supply power to the electric vehicle by contacting the bus bar is provided to be movable along the opening. Inside the frame, a protrusion extending in a substantially horizontal direction from one side surface is formed at a predetermined interval from the other side surface,
The bus bar is disposed above the protrusion in the frame and so as to wrap in a direction perpendicular to the protrusion,
2. The power feeding arm according to claim 1, wherein one end of the power supply arm is brought into contact with the bus bar, and the protrusion is detoured to be led out of the frame through the opening through the predetermined interval. Garage.   The garage according to claim 1 or 2, wherein a bottom surface inside the frame is inclined downward toward the opening.   The garage according to any one of claims 1 to 3, wherein a surface of the protruding portion on the side where the bus bar is arranged is inclined downward toward the predetermined interval.

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