JP2015133851A - Vehicle charger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle charger which minimizes intrusion of water from an insertion port of a power supply cable.SOLUTION: A vehicle charger includes a housing 31 having a base 33 to which a charger 32 is attached and a cover 34 which is attached to the base 33 and covers the charger 32. The cover 34 includes a cable insertion port formation part 91 where a cable insertion port 93, through which a power supply cable 61 may be inserted from the exterior to a device body 11, is formed by removing a removal plate part 92 formed by a part of a peripheral wall 82 at the lower side. A waterproof wall 95, which is disposed at a position facing the cable insertion port 93 and inhibits intrusion of water from the cable insertion port 93, is erected toward the base 33 in the cover 34.

Description

  The present invention relates to a charging device for a vehicle used when charging a battery mounted on a vehicle such as an electric vehicle or a plug-in hybrid vehicle.

  With the spread of vehicles such as electric vehicles and plug-in hybrid vehicles that can be driven by the driving force of an electric motor, there is a demand for the spread of a vehicle charging device that charges a battery mounted on the vehicle.

  This vehicle charging device includes a device main body fixed to an installation surface such as a house side or a wall surface of a parking lot, and a charging cable extending from the device main body, and a charging provided at the tip of the charging cable. The battery connector is connected to the vehicle connector to charge the vehicle battery (see Patent Documents 1 to 5).

JP 2011-50125 A JP 2012-213285 A JP2013-55850A JP 2013-62991 A JP2013-70589A

  Although a power feeding cable is directly introduced into the vehicle charging device from the installation surface, it may be difficult to introduce the power feeding cable directly from the installation surface depending on the internal structure of the installation surface. In such a case, it is conceivable that a cable insertion port is formed in the housing of the apparatus main body, and a power feeding cable is drawn from the cable insertion port. However, if a cable insertion port is provided in the housing, water may enter the apparatus main body from the cable insertion port.

  This invention is made | formed in view of the situation mentioned above, The objective is to provide the charging device for vehicles which can suppress the penetration | invasion of the water from the insertion port of an electric power feeding cable as much as possible.

In order to achieve the above-described object, a vehicle charging device according to the present invention is characterized by the following (1) and (2).
(1) The main body of the device incorporating the charger in the housing,
A charging cable extending from the device body;
A charging connector provided at the tip of the charging cable and detachable from the connector of the vehicle;
With
The housing includes a base on which the charger is mounted, and a cover that covers the charger and covers the base,
The cover has a cable insertion port forming portion in which a cable insertion port through which a power feeding cable can be inserted from the outside into the apparatus main body is formed by removing a part of the lower peripheral wall,
The vehicle charging, wherein the cover is provided with a waterproof wall arranged at a position facing the cable insertion port to prevent water from entering from the cable insertion port toward the base. apparatus.
(2) In the base, a cable introduction plate portion having a hole portion into which the power feeding cable is inserted is erected toward the cover,
The vehicle charging device according to (1), wherein the waterproof wall is disposed on the cable insertion port side so as to overlap the cable introduction plate portion when viewed from the cable insertion port side.

In the vehicle charging device having the configuration of (1) above, by removing a part of the peripheral wall at the cable insertion port forming portion, the cable insertion port can be formed, and the power feeding cable can be easily guided into the housing of the device main body. . Moreover, even if the cable insertion port is formed, the waterproof wall of the cover is disposed at a position facing the cable insertion port, so that water can be prevented from entering the inside of the apparatus main body from the cable insertion port.
In the vehicle charging device having the configuration of (2) above, the cover is attached to the base so that the waterproof wall of the cover overlaps with the cable introduction plate portion of the base when viewed from the cable insertion side. Be placed. Therefore, the water that jumps into the cable insertion port from the lower side can be blocked by the waterproof wall and the cable introduction plate portion, and the effect of suppressing intrusion into the inside of the apparatus main body can be enhanced.

  ADVANTAGE OF THE INVENTION According to this invention, the charging device for vehicles which can suppress the penetration | invasion of the water from the insertion port of an electric power feeding cable as much as possible can be provided.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a perspective view of the vehicle charging device according to the present embodiment. FIG. 2 is an exploded perspective view of the apparatus main body. FIG. 3 is a perspective view of the base. 4 (a) to 4 (c) are diagrams for explaining the structure of the base. FIG. 4 (a) is a front view, FIG. 4 (b) is a side sectional view, and FIG. 4 (c) is a side view. FIG. FIG. 5 is a perspective view of the apparatus main body with the cover removed. FIG. 6 is a perspective view seen from the inside of the cover. FIG. 7 is a perspective view of the cover in which the cable insertion opening is formed as viewed from the inside. FIG. 8 is a cross-sectional view of the apparatus main body showing the cover attached to the base.

Hereinafter, an example of an embodiment according to the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of the vehicle charging device according to the present embodiment. FIG. 2 is an exploded perspective view of the apparatus main body.

  As shown in FIGS. 1 and 2, the vehicle charging device 10 according to the present embodiment includes a device main body 11, a charging cable 12, and a charging connector 13. The vehicle charging device 10 is a charging device that charges a battery mounted on a vehicle such as an electric vehicle or a plug-in hybrid vehicle that can run with the driving force of an electric motor.

  The apparatus main body 11 is fixed to an installation surface such as a wall side in a house side such as a general house or a parking lot, for example. The apparatus main body 11 has a built-in charger 32, and has a monitor unit 15 for displaying a charging state and the like on the front surface. The charging cable 12 extends from the lower part of the apparatus main body 11, and the charging connector 13 is provided at the tip of the charging cable 12. The charging connector 13 can be attached to and detached from a connector provided in the vehicle.

  The apparatus main body 11 includes a connector holding portion 16, and the charging connector 13 is held by the connector holding portion 16. When charging the vehicle battery, the charging connector 13 is detached from the connector holding portion 16 of the apparatus main body 11 and connected to the vehicle connector. After charging the vehicle battery, the charging connector 13 is removed from the vehicle connector and is held by the connector holding portion 16 of the apparatus main body 11.

  The apparatus main body 11 includes a housing 31 and a charger 32 including a control device and the like housed in the housing 31. A base end of the charging cable 12 is connected to the lower portion of the charger 32 by a charger-side connector 30. The housing 31 is composed of a base 33 and a cover 34. By mounting the housing 31 so as to cover the front side of the base 33, a housing space capable of housing the charger 32 is provided inside the housing 31. It is formed.

  In the vehicle charging apparatus 10, power is supplied from the charger 32 of the apparatus main body 11 to the vehicle side via the charging cable 12 with the charging connector 13 connected to the vehicle connector. Thereby, the battery of the vehicle is charged.

  The device main body 11 of the vehicle charging device 10 includes a first holding unit 21 and a second holding unit 22. The first holding unit 21 and the second holding unit 22 can both hold the charging cable 12.

  The first holding unit 21 includes a hook 23 and is provided at the lower part of the apparatus main body 11. The hook 23 is formed in a U shape by bending a single metal bar at the center, and further formed in a J shape in a side view by bending the tip so as to be folded back. The portion is a locking portion 24. The hook 23 is fixed to the lower end portion of the housing 31 constituting the apparatus main body 11. The hook 23 extends downward from a place where it is fixed to the housing 31, and the locking portion 24 is disposed toward the front side of the apparatus main body 11. The charging cable 12 is held by locking the charging cable 12 to the locking portion 24 of the hook 23.

  The second holding part 22 is provided on the upper part of the apparatus main body 11. The second holding portion 22 includes a groove portion 26 formed on an upper portion of a base 33 constituting the casing 31 of the apparatus main body 11, and the charging cable 12 can be locked in the groove portion 26.

  FIG. 3 is a perspective view of the base. 4 (a) to 4 (c) are diagrams for explaining the structure of the base. FIG. 4 (a) is a front view, FIG. 4 (b) is a side sectional view, and FIG. 4 (c) is a side view. FIG.

  As shown in FIGS. 3 and 4 (a) to 4 (c), the base 33 has a bottom plate portion 41 fixed to the installation surface, and a peripheral wall 42 erected on the periphery of the bottom plate portion 41. ing. The base 33 is formed from a synthetic resin, and a groove portion 26 to be the second holding portion 22 is formed on the base 33.

  A plurality of fixing portions 43 are provided on the bottom plate portion 41, and the base 33 is fixed to the installation surface by screwing screws (fastening members) 44 inserted into the fixing portions 43 into the installation surface. Note that the fixing of the base 33 to the installation surface with the screws 44 is not necessarily performed by all the fixing portions 43 as long as the fixing strength to the installation surface is sufficiently obtained. That is, the fixing portion 43 fixed by the screw 44 is selected according to the structure and shape of the installation surface. For example, the fixing portion 43 in the left and right rows of the base 33 and the fixing portion 43 in the upper and lower rows of the base 33 may be fixed to the installation surface, and the other fixing portions 43 may not be fixed by the screws 44.

  As shown in FIG. 3, a hook fixing bracket 45 made of a metal fitting is fixed to the lower portion of the base 33 with a screw 46. The hook fixing bracket 45 has a bracket main body 45a and an extending portion 45b extending upward from the bracket main body 45a. A hook fixing portion 47 is provided at a lower end portion of the metal fitting body 45 a of the hook fixing fitting 45, and an end portion of the hook 23 is fastened and fixed to the hook fixing portion 47 by a nut 48. The hook fixing metal fitting 45 is fixed to the base 33 with screws 46 at two places on the metal fitting body 45a and at one place on the extending portion 45b. The fixing points by these screws 46 are arranged at the apex positions of the triangles in a front view so that a line segment connecting any two points intersects in the vertical direction and the horizontal direction. As a result, even if the charging cable 12 is pulled and a large external force acts on the hook 23, the external force is transmitted to the hook fixing bracket 45, and is distributed to three fixing points with the base 33. In this way, the hook 23 is fixed to the base 33 with sufficient strength via the hook fixing bracket 45.

  As shown in FIGS. 3 and 4A to 4C, a through hole 49 is formed in the bottom plate portion 41 at the lower portion of the base 33. A power feeding cable 61 extending from the installation surface is introduced into the wiring port 49. The power supply cable 61 is a cable in which an electric wire such as a power supply line or an earth line is passed through a corrugated tube, and an end portion of the corrugated tube is inserted into the wiring port 49. The power supply cable 61 is introduced into the apparatus main body 11, and a power supply line and a ground line are connected to a terminal block (not shown) provided in the charger 32. In addition, the hook fixing bracket 45 is connected to the ground terminal portion of the terminal block by a ground wire and grounded, thereby preventing leakage to the hook 23 and ensuring safety.

  A cable introduction plate portion 65 is provided at the lower portion of the base 33. The cable introduction plate portion 65 is formed integrally with the bottom plate portion 41 and is erected toward the cover 34 attached to the base 33. The cable introduction plate portion 65 is disposed substantially horizontally with the base 33 fixed to the installation surface. A cable introduction hole (hole) 66 is formed in the cable introduction plate portion 65. The end portion of the corrugated tube of the power supply cable 67 can be inserted into the cable introduction hole 66.

  The apparatus main body 11 is supported by the installation surface which consists of a wall surface of a building. Depending on the internal structure of the installation surface, it may be difficult to pass the power supply cable 61. Therefore, in such a case, the power feeding cable 67 is introduced by being inserted into the cable introduction hole 66 of the cable introduction plate portion 65 from the lower side of the apparatus main body 11. Thus, in this embodiment, introduction of the power supply cables 61 and 67 can be selected from either the installation surface or from the outside.

FIG. 5 is a perspective view of the apparatus main body with the cover removed.
As shown in FIG. 5, the charger 32 is fitted into the base 33 from the front side. Further, a waterproof cover 52 is screwed and fixed to the lower portion of the base 33 with a screw 51, and the waterproof cover 52 allows a through hole 49 formed in the bottom plate portion 41 or a cable introduction hole 66 of the cable introduction plate portion 65 to be formed. Wiring locations such as the power feeding cable 61 or 67 and the terminal block introduced from either are covered and waterproofed. Then, by attaching the cover 34 to the base 33 from the front side, the charger 32 is housed inside the housing 31 composed of the base 33 and the cover 34. The waterproof cover 52 is fitted on the upper side of the cable introduction plate portion 65 and is in close contact with the cable introduction plate portion 65 in a liquid-tight manner.

  FIG. 6 is a perspective view seen from the inside of the cover. FIG. 7 is a perspective view of the cover in which the cable insertion opening is formed as viewed from the inside. FIG. 8 is a cross-sectional view of the apparatus main body showing the cover attached to the base.

  As shown in FIG. 6, the cover 34 includes a front plate portion 81 and a peripheral wall 82 formed on the periphery of the front plate portion 81. The cover 34 is molded from a synthetic resin. The cover 34 has a locking piece portion 83 that can be locked to the upper portion of the base 33 at the edge of the peripheral wall 82 at the upper portion thereof. The cover 34 is put on the base 33 by rotating the lower side toward the base 33 with the locking portion 83 being locked to the upper portion of the base 33 and rotating the lower side toward the base 33. Then, the base 33 is fixed to the base 33 with screws. Further, a holding window 84 for opening the front side of the connector holding portion 16 is formed on the front plate portion 81 of the cover 34 on the lower side.

  The cover 34 has a cable insertion opening forming portion 91 on the peripheral wall 82 on the lower side. The cable insertion opening forming portion 91 is disposed below the cable introduction plate portion 65 with the cover 34 attached to the base 33. The cable insertion port forming portion 91 has a removal plate portion 92 formed of a part of the peripheral wall 82. The thickness of the connecting portion between the removal plate portion 92 and the surrounding peripheral wall 82 is reduced. Thereby, in the cable penetration opening formation part 91, the removal board part 92 can be made to break at the connection location with the surrounding wall 82 of the circumference | surroundings, and can be removed. As shown in FIG. 7, the cable insertion port 93 is formed in the cover 34 below the cable introduction plate portion 65 by removing the removal plate portion 92. The cable insertion port 93 can be inserted with a power supply cable 67 led to the cable introduction hole 66 of the cable introduction plate portion 65. That is, the cable insertion port 93 is formed when the feeding cable 67 is introduced from the lower side of the apparatus main body 11.

  A waterproof wall 95 is formed on the cover 34 on the lower side. The waterproof wall 95 is erected toward the base 33 with the cover 34 attached to the base 33. The waterproof wall 95 is disposed at a position facing the cable insertion port 93 above the cable insertion port 93 formed in the cable insertion port forming portion 91.

  As shown in FIG. 8, the locking piece 83 of the cover 34 is locked to the upper portion of the base 33, and the lower side is directed toward the base 33 with the locking point as a fulcrum (in the direction of arrow A in FIG. 8). ) When the cover 33 is covered with the base 33 by rotating, the waterproof wall 95 is arranged below the cable introduction plate portion 65 without interfering with the cable introduction plate portion 65. In this state, the waterproof wall 95 is disposed on the cable insertion port 93 side so that a part of the waterproof wall 95 overlaps a part of the cable introduction plate portion 65 when viewed from the cable insertion port 93 side (see B portion in FIG. 8). ).

  The vehicle charging device 10 includes a first holding portion 21 including a hook 23 and a second holding portion 22 including a groove portion 26 in the apparatus main body 11. Therefore, in this vehicle charging device 10, the base end side of the charging cable 12 is wound and locked on the first holding portion 21 formed of the hook 23, and the distal end side of the charging cable 12 is formed of the groove portion 26. It can be held by the second holding unit 22. The second holding portion 22 is for charging with a length (for example, about 2 m) that allows the charging connector 13 to reach the vehicle connector in a state where the vehicle connector is disposed at a position close to the vehicle charging device 10. The cable 12 is held.

  In the above vehicle charging device 10, the charging connector 13 is removed from the connector holding portion 16, the charging cable 12 is removed from the second holding portion 22, and the charging connector 13 is connected to the vehicle connector to the vehicle battery. Charge the battery. Further, when the connector of the vehicle is disposed at a position far away from the vehicle charging device 10, the charging cable 12 is removed from the second holding unit 22 and further removed from the first holding unit 21. If it does in this way, the connector 13 for charging can reach and connect to the connector of the vehicle arrange | positioned in the position far away from the charging device 10 for vehicles.

  As described above, according to the vehicle charging device 10 according to the present embodiment, the cable insertion port is formed by removing the removal plate portion 92 that is a part of the peripheral wall 82 at the cable insertion port formation portion 91 of the cover 34. 93 is formed, and the power feeding cable 67 can be easily guided into the housing 31 of the apparatus main body 11 from the lower side. Further, even if the cable insertion port 93 is formed, the waterproof wall 95 of the cover 34 is arranged at a position facing the cable insertion port 93, so that the ingress of water from the cable insertion port 93 to the inside of the apparatus main body 11 is suppressed. be able to.

  Further, by attaching the cover 34 to the base 33, the waterproof wall 95 of the cover 34 is arranged on the cable insertion port 93 side so as to overlap the cable introduction plate portion 65 of the base 33 when viewed from the cable insertion port 93 side. . Therefore, the water that jumps into the cable insertion port 93 from the lower side can be blocked by the waterproof wall 95 and the cable introduction plate portion 65, and the effect of suppressing the intrusion into the inside of the apparatus main body 11 can be enhanced.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

Here, the features of the above-described embodiment of the vehicle charging device according to the present invention are summarized and listed in the following (1) and (2), respectively.
(1) A device body (11) in which a charger (32) is built in a housing (31);
A charging cable (12) extending from the apparatus body;
A charging connector (13) provided at the tip of the charging cable and detachable from the connector of the vehicle;
With
The housing includes a base (33) on which the charger is mounted, and a cover (34) that covers the charger and covers the base.
The cover has a cable insertion port forming part (91) in which a cable insertion port (93) through which a power feeding cable can be inserted from the outside into the apparatus main body is formed by removing a part of the lower peripheral wall,
The cover is provided with a waterproof wall (95) which is disposed at a position facing the cable insertion port and suppresses the intrusion of water from the cable insertion port toward the base. Vehicle charging device.
(2) In the base, a cable introduction plate portion (65) having a hole portion (cable introduction hole 66) into which the power feeding cable is inserted is erected toward the cover,
The vehicle charging device according to (1), wherein the waterproof wall is disposed on the cable insertion port side so as to overlap the cable introduction plate portion when viewed from the cable insertion port side.
Concisely listed.

DESCRIPTION OF SYMBOLS 10 Vehicle charging device 11 Device main body 12 Charging cable 13 Charging connector 31 Housing 32 Charger 33 Base 34 Cover 61 Power supply cable 65 Cable introduction plate portion 66 Cable introduction hole (hole)
91 Cable insertion opening forming portion 93 Cable insertion opening 95 Waterproof wall

Claims (2)

A device body with a built-in charger inside the housing;
A charging cable extending from the device body;
A charging connector provided at the tip of the charging cable and detachable from the connector of the vehicle;
With
The housing includes a base on which the charger is mounted, and a cover that covers the charger and covers the base,
The cover has a cable insertion port forming portion in which a cable insertion port through which a power feeding cable can be inserted from the outside into the apparatus main body is formed by removing a part of the lower peripheral wall,
The vehicle charging, wherein the cover is provided with a waterproof wall arranged at a position facing the cable insertion port to prevent water from entering from the cable insertion port toward the base. apparatus. In the base, a cable introduction plate portion having a hole portion into which the power feeding cable is inserted is erected toward the cover,
2. The vehicle charging device according to claim 1, wherein the waterproof wall is disposed on the cable insertion port side so as to overlap the cable introduction plate portion as viewed from the cable insertion port side.

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