WO2013027099A1

WO2013027099A1 - Charging apparatus for electric vehicle

Info

Publication number: WO2013027099A1
Application number: PCT/IB2012/001547
Authority: WO
Inventors: 尚紀福尾; 田中　昌史
Original assignee: パナソニック株式会社
Priority date: 2011-08-23
Filing date: 2012-08-13
Publication date: 2013-02-28
Also published as: TW201328910A; JP2013046475A

Abstract

　A charging device (1) for an electric vehicle is provided with: a charging cable (CB2), having a charging connector (CN1) detachably connected to an electric vehicle; a charging device main-body (10), to which the charging cable (CB2) is connected, and which has a charging control unit for controlling the charging of the electric vehicle connected to the charging connector (CN1); a fixing unit for fixing the charging device main-body (10) to a wall (200) of a building; and a fall prevention wire (20) which joins the wall (200) and the charging device main-body (10), thus preventing the charging device main-body (10) from falling onto the ground.

Description

Electric vehicle charging device

The present invention relates to an electric vehicle charging device.

In recent years, electric vehicles using an electric motor as a power source, such as a battery-powered electric vehicle and a plug-in hybrid vehicle, have been spreading. As electric vehicles become more widespread, it is necessary to provide charging facilities for electric vehicles in parking areas such as service areas on commercial roads and commercial facilities. For example, charging for electric vehicles as disclosed in Patent Document 1 is required. A stand has been proposed.
JP 2010-279181 A

By the way, in an ordinary home, it is considered that the electric vehicle is charged while the electric vehicle is parked in the home garage, and it is necessary to install a charging facility for the electric vehicle in the home garage. The charging stand for an electric vehicle disclosed in Patent Document 1 described above is a self-supporting stand main body with a built-in outlet to which a charging cable is connected, and requires a stand main body that is self-supporting at an installation location. There is a problem that it is expensive to install at home. Therefore, in general households, it is conceivable to attach the charging device main body to the wall of the building and store the charging equipment in this charging device main body, but there is an excessive load such as a child getting on the main body attached to the wall. When added, the charger body could fall off the wall.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a charging device for an electric vehicle in which a charging device main body attached to a wall is less likely to fall on the ground. .
In order to solve the above-described problems, the electric vehicle charging device of the present application includes a charging cable, a charging device body, a fixing portion, and a fall prevention wire. The charging cable is provided with a charging connector that is detachably connected to the electric vehicle. The charging device main body is provided with a charging control unit that controls charging of the electric vehicle connected to the charging cable and connected to the charging connector. The fixing unit fixes the charging device main body to the wall of the building. The fall prevention wire prevents the charging device main body from falling onto the ground by connecting the wall and the charging device main body.
In this electric vehicle charging device, it is also preferable that the fall prevention wire is attached to a position covered by the charging device main body while the charging device main body is fixed to the wall.
In this electric vehicle charging device, it is also preferable that the length of the fall prevention wire is shorter than the extra length from the wall of the power cable that is connected to the charging device body and supplies power from the external power source to the charging control unit.
In this electric vehicle charging device, the charging device body includes a base that is fixed to the wall using the fixing portion and a body that is attached to the base while holding the charging control portion, and the fall prevention wire is attached to the base. It is also preferable.
In this electric vehicle charging device, the charging device main body includes a base that is fixed to the wall using the fixing portion and a body that is attached to the base while holding the charging control portion, and the fall prevention wire is attached to the body. It is also preferable.
In the electric vehicle charging device, it is also preferable that the charging device body has a recess on a surface facing the wall, and the fall prevention wire is attached to the charging device body in the recess.
Effects of the Invention According to the present invention, even when an excessive load is applied to the charging device main body fixed to the wall and the fixing portion is released, the charging device main body is suspended from the wall by the fall prevention wire. Since it will be in a state, possibility that a charging device main body will fall completely can be reduced.

The objects and features of the present invention will become apparent from the following drawings and description of preferred embodiments.
(A) (b) is an external appearance perspective view of the charging device for electric vehicles of Embodiment 1. FIG. (A) is a front view of the charging device for electric vehicles same as the above, (b) is a right view. It is a block diagram of the charging device for electric vehicles same as the above. It is a sectional side view of the charging device for electric vehicles of Embodiment 2. It is a sectional side view which shows the other example of the charging device for electric vehicles same as the above. (A) (b) is a perspective view which shows the principal part of the charging device for electric vehicles of Embodiment 3. FIG.

Hereinafter, an embodiment of a charging device for an electric vehicle according to the present invention will be described with reference to the drawings. The same or similar parts throughout the drawings are denoted by the same reference numerals, and the description thereof is omitted.
The charging device for an electric vehicle described in each of the following embodiments is installed on a wall of a building around a garage, for example, in a general house and used to charge the electric vehicle. Here, the electric vehicle is a vehicle that travels by obtaining driving force from the electric power stored in the battery. For example, an electric vehicle (EV), a plug-in hybrid vehicle (PHEV), a fuel cell vehicle (FCV), or the like. I mean.
(Embodiment 1)
An electric vehicle charging device (hereinafter abbreviated as a charging device) 1 according to Embodiment 1 will be described with reference to FIGS.
FIG. 3 is a block diagram illustrating a schematic configuration of the charging apparatus 1. The charging device 1 includes a charging control unit 2, a display unit 3, an operation input unit 4, a relay 5, a zero-phase current transformer (ZCT) 6, and terminal blocks TB1 and TB2. The main body 10 is configured to be held.
A power cable CB1 from an external power supply (commercial AC power supply) is connected to the terminal block TB1. One end of a charging cable CB2 is connected to the terminal block TB2, and a charging connector CN1 that is detachably connected to the charging connector CN2 of the electric vehicle 100 is connected to the other end of the charging cable CB2. Here, the power cable CB1 is composed of two electric wires L1 and L2 having voltage poles and a ground line L3. Charging cable CB2 includes electric wires L4 for transmitting and receiving a signal (so-called CPLT signal) between two electric wires L1 and L2 having voltage poles, grounding wire L3, and charging circuit 101 provided in electric vehicle 100. Consists of.
The two-pole contacts provided in the relay 5 are respectively connected to conductive paths connected to the voltage electrode wires L1 and L2 among the internal conductive paths connecting the terminals of the terminal blocks TB1 and TB2. The contact of the relay 5 is controlled to be turned on / off by the charging control unit 2, and when the contact is turned on, the charging cable CB2 is connected and power is supplied to the electric vehicle 100 connected to the charging connector CN1, and the contact is turned off. And power supply to the electric vehicle 100 is cut off. The relay contact of the relay 5 is a normally-off type contact. When a charge start signal is input from the electric vehicle 100 to the charge control unit 2, the relay 5 is switched from the open state to the closed state by the charge control unit 2. Then, electric power is supplied to the electric vehicle 100.
The zero-phase current transformer 6 is used to detect an unbalanced current that is generated between the electric wires L1 and L2 of the voltage electrode when a leakage occurs in the electric circuit on the electric vehicle 100 side with respect to the relay 5.
The charging control unit 2 opens or closes the relay 5 based on a signal input from the charging circuit 101 of the electric vehicle 100 via the electric wire L4 to turn on / off the power supply to the electric vehicle 100. Thus, charging of the electric vehicle 100 is controlled. Further, when the charging control unit 2 detects the occurrence of electric leakage based on the output of the zero-phase current transformer 6 during charging, the charging control unit 2 opens the relay 5 and cuts off the power supply to the electric vehicle 100.
The display unit 3 includes a display lamp such as a light emitting diode, for example, and the operation state (for example, lighting, blinking, and extinguishing) is switched by the charging control unit 2, and the status display of the charging device 1 (for example, charging, stopping, leakage) Detection).
The operation input unit 4 is provided, for example, for performing an operation for stopping the power supply to the electric vehicle 100, and the charge control unit 2 performs a predetermined operation in response to a signal input from the operation input unit 4.
Next, the structure of the charging device 1 will be described with reference to FIGS. 1 and 2. In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the direction shown in FIG. 2A (attached to the wall 200), the left side of FIG. 2B is the front side, and the right side is the rear side. I will explain as the side.
The charging device main body 10 of the charging device 1 is formed in a substantially flat plate shape with a synthetic resin, and is formed into a base 11 attached to the wall 200 of the building, and a vertically long box shape whose rear side is opened with the synthetic resin. 11 and a body 12 attached to the front side.
The base 11 is provided with an insertion hole (not shown) penetrating the base 11 in the front-rear direction, and by screwing a fixing screw 15 (see FIG. 2B) passed through the insertion hole into the wall 200, The base 11 is fixed to the wall 200. Here, a fixing portion for fixing the base 11 to the wall 200 of the building is constituted by the fixing screw 15 or the like.
The body 12 holds a charging unit including the above-described charging control unit 2, display unit 3, operation input unit 4, relay 5, zero-phase current transformer 6, and terminal blocks TB1 and TB2. It is attached to the base 11 using an appropriate coupling means. In the lower part of the body 12, there is provided a storage recess 13 that is open to the front and lower sides in the center in the left-right direction and into which a part of the charging connector CN1 is inserted. A cylindrical charging connection portion 111 provided at the tip of the charging connector CN 1 is inserted into the storage recess 13, and a connector holding body 14 that holds the charging connection portion 111 is provided. The connector holder 14 is a synthetic resin molded product and is formed in a cylindrical shape with one end closed, and holds the charging connector CN1 in a state where the tip end side of the charging connection portion 111 is inserted into the cylinder. On the lower surface of the body 12, insertion holes for passing the power cable CB 1 and the charging cable CB 2 are provided on both the left and right sides of the storage recess 13. The power cable CB1 and the charging cable CB2 are introduced into the body 12 through corresponding insertion holes, and are connected to the terminal blocks TB1 and TB2 held in the body 12. Further, on the front surface of the body 12, a plurality of (for example, three) light emitting diodes LD1, LD2, and LD3 that constitute the display unit 3, and a plurality of (for example, two) operation switches SW1, that constitute the operation input unit 4. SW2 is arranged in the vertical direction.
And the body 12 is connected to the wall 200 through the fall prevention wires 20 (for example, a steel wire, a metal chain, etc.) at two places, upper and lower, on both left and right side surfaces. One end of the fall prevention wire 20 is connected to the left and right side surfaces of the body 12, but may be connected to the upper surface of the body 12 or the lower surface of the body 12 as long as the body 12 can be prevented from falling. It may be connected. Further, the fall prevention wire 20 is not limited to a metal wire, and may be a synthetic resin string or the like as long as necessary strength (for example, tensile strength) is ensured. Moreover, although it described that the fall prevention wire 20 was connected to 4 places in total, it may be connected to 1 place as shown in FIG. 4 or 5, and is connected to 2 places or 3 places or more. May be.
Charging device 1 has the above-described configuration, and charging connector CN 1 is held by connector holding body 14 when not used for charging electric powered vehicle 100. If the charging connector CN1 is left on the ground during non-charging, the charging connector CN1 and the charging cable CB2 may be stepped on by a person or a vehicle. However, in this embodiment, the user holds the charging connector CN1 during non-charging. It can be held by the body 14. Therefore, the possibility that the charging connector CN1 and the charging cable CB2 are stepped on by a person or a vehicle can be reduced.
On the other hand, when the user charges the electric vehicle 100 using the charging device 1, the charging connector CN 1 removed from the connector holder 14 is first connected to the charging connector CN 2 of the electric vehicle 100. After that, when preparation for charging is completed on the electric vehicle 100 side, a charging start signal is output from the charging circuit 101 to the charging control unit 2, and the charging control unit 2 switches the relay 5 from the open state to the closed state. Electric power is supplied to the electric vehicle 100. At this time, in the electric vehicle 100, the charging circuit 101 charges the battery 102, and when the charging of the battery 102 is completed, a charging completion signal is output to the charging control unit 2. When the charge completion signal is input from the charging circuit 101 of the electric vehicle 100, the charging control unit 2 switches the relay 5 from the closed state to the open state, and stops power supply to the electric vehicle 100. In addition, when a leakage occurs in the electric circuit on the electric vehicle side during charging, the charging control unit 2 can detect the occurrence of the leakage based on the output of the zero-phase current transformer 6. By opening the pole, the power supply to the electric vehicle 100 is cut off. When the charging device 1 performs such an operation, the electric vehicle 100 is charged.
As described above, the charging device 1 according to the present embodiment includes the charging cable CB2, the charging device main body 10, the fixing portion (for example, including the fixing screw 15), and the fall prevention wire 20. The charging cable CB2 is provided with a charging connector CN1 that is detachably connected to the electric vehicle 100. A charging cable CB2 is connected to the charging device main body 10, and a charging control unit 2 that controls charging to the electric vehicle 100 connected to the charging connector CN1 is provided. The fixing portion (for example, including a fixing screw 15) fixes the charging device main body 10 to the wall of the building. The fall prevention wire 20 prevents the charging device body 10 from falling by connecting the wall 200 and the charging device body 10.
Thereby, even if an excessive load is applied to the charging device main body 10 fixed to the wall 200 and the fixing by the fixing portion is released, the charging device main body 10 is suspended from the wall 200 by the fall prevention wire 20. become. Accordingly, the possibility that the charging device main body 10 completely falls (falls to the ground 300) is reduced, and the power supply cable CB1 and the circuit component (for example, terminal block) on the charge control unit 2 side to which the power supply cable CB1 is connected are reduced. It becomes difficult to apply stress to TB1 and the like. In the specification, the fact that the charging device main body 10 “completely falls” means that it falls on the ground 300.
(Embodiment 2)
Hereinafter, the charging apparatus 1 of Embodiment 2 is demonstrated with reference to drawings. In addition, the same code | symbol is attached | subjected to the component which is common in the charging device 1 of Embodiment 1, the description is abbreviate | omitted, and the characteristic part of this embodiment is demonstrated.
In the first embodiment, the fall prevention wire 20 is provided at a position where the fall prevention wire 20 can be seen from the outside while the charging device main body 10 is fixed to the wall 200. However, in the present embodiment, as shown in FIG. A fall prevention wire 20 is attached to a position covered by the.
A through hole 201 is formed in the wall 200 for drawing out the power cable CB1 wired on the back side of the wall 200 to the front side of the wall 200. The base 11 is provided with an opening 11a at a portion corresponding to the through hole 201, and the power cable CB1 introduced into the charging device main body 10 through the opening 11a is connected to the terminal block TB1 held by the body 12. .
One end side of the fall prevention wire 20 is rearward of the surface of the wall 200 and is fixed to the peripheral portion of the through hole 201, and the other end side of the fall prevention wire 20 is passed through the opening 11a. The body 12 is fixed to a predetermined portion of the inner surface of the body 12, and the body 12 is fixed to the wall 200 via the fall prevention wire 20. The length of the fall prevention wire 20 (the length from the wall 200) is shorter than the extra length from the wall of the power cable CB1 (the length of the portion drawn from the wall 200, which is about 15 cm). Is set to Here, the “extra length from the wall of the power cable CB1” means a distance lowered by pulling the power cable CB1 downward along the wall. The power cable CB1 is connected to a terminal block TB1 held by the charging apparatus body 10. In order to facilitate the connection work of the power supply cable CB1, the length (extra length) of the portion of the power supply cable CB1 drawn from the wall 200 is provided with a margin, and this surplus length is provided after the connection work is completed. It is pushed into the back side of the wall 200 or is stored in a surplus storage unit provided inside the charging device main body 10.
As described above, in the charging device 1 of the present embodiment, the fall prevention wire 20 is attached at a position hidden behind the charging device body 10 while the charging device body 10 is fixed to the wall 200.
Thereby, since the fall prevention wire 20 cannot be seen from the front side in the state where the charging apparatus main body 10 is fixed to the wall 200, the aesthetic appearance is improved.
Further, the length of the fall prevention wire 20 is set to be shorter than the surplus length of the power cable CB1 that is connected to the charging device body 10 and supplies power from the external power source to the charging control unit 2.
As a result, the power cable CB1 has room even when the fixing portion is unfixed and the charging device main body 10 is suspended by the fall prevention wire 20, so that the power cable CB1 itself or the power cable CB1 connected to the power cable CB1 is connected. Stress is less likely to be applied to the circuit components on the control unit 2 side.
The charging device main body 10 includes a base 11 fixed to the wall 200 and a body 12 that holds the charging control unit 2 and is attached to the base 11, and the fall prevention wire 20 is attached to the body 12.
Thus, the body 12 is connected to the wall 200 via the fall prevention wire 20. Therefore, even when the charging device body 10 is dropped due to the fixing by the fixing portion, the body 12 is suspended from the wall 200 via the fall prevention wire 20, so that the body 12 and the base 11 to which the body 12 is attached is completely attached. The possibility of falling into the water is reduced. Further, since the possibility that the body 12 holding important parts such as the charge control unit 2 to which the power cable CB1 is connected is completely dropped is reduced, the parts such as the charge control unit 2 held by the body 12 are reduced. More reliably protected.
By the way, although the fall prevention wire 20 is fixed to the body 12, as shown in FIG. 5, one end side of the fall prevention wire 20 is fixed to the mounting surface of the base 11 (opposite surface to the wall 200). The other end may be fixed to a portion of the wall 200 where the base 11 is attached.
As described above, since the base 11 is connected to the wall 200 via the fall prevention wire 20, even when the fixing unit 10 is released and the charging device main body 10 falls, the base 11 is attached to the wall 200 by the fall prevention wire 20. The possibility of the base 11 falling completely is lowered. Moreover, since the body 12 is attached to the base 11, even when the fixing by the fixing portion is released and the charging device main body 10 is dropped, the possibility that the body 12 is completely dropped is reduced.
Also in the form shown in FIG. 5, the fall prevention wire 20 is attached to a position (a key point of the base 11) hidden behind the charging device main body 10 in a state where the charging device main body 10 is fixed to the wall 200. Thereby, since the fall prevention wire 20 cannot be seen from the front side in the state where the charging apparatus main body 10 is fixed to the wall 200, the appearance of the appearance is improved.
(Embodiment 3)
Hereinafter, the charging apparatus 1 of Embodiment 3 is demonstrated with reference to drawings. In addition, the same code | symbol is attached | subjected to the component which is common in the charging device 1 of Embodiment 1, the description is abbreviate | omitted, and the characteristic part of this embodiment is demonstrated.
In this embodiment, as shown to Fig.6 (a), the recessed part 11b is provided in the surface facing the wall 200 in the base 11, and the one end side of the fall prevention wire 20 is used for the bottom wall of this recessed part 11b using the screw | thread 16. Screwed. For example, the other end of the fall prevention wire 20 is fixed to a portion of the wall 200 facing the recess 11b by an appropriate method.
Thus, the charging device body 10 (base 11 in this embodiment) includes the recess 11b on the surface facing the wall 200, and the fall prevention wire 20 is connected to the charging device body 10 (base 11 in this embodiment) in the recess 11b. Is attached.
Thereby, since the fall prevention wire 20 attached to the charging device main body 10 is accommodated in the recessed part 11b, the fall prevention wire 20 is not pinched between the charging device main body 10 and the wall 200, and the charging device main body 10 Is attached to the wall 200 without rattling.
In this embodiment, one end of the fall prevention wire 20 is screwed to the bottom wall of the recess 11b. However, the method for fixing the one end of the fall prevention wire 20 in the recess 11b is limited to the above method. is not. For example, as shown in FIG. 6B, a hooking rod 11c having both ends fixed to the inner wall of the recess 11b is provided in the recess 11b, and one end of the fall prevention wire 20 may be tied to the hooking rod 11c. .
Also in this embodiment, the fall prevention wire 20 is attached to a position (inside the recess 11 b provided on the back surface of the base 11) that is hidden behind the charging device body 10 while the charging device body 10 is fixed to the wall 200. It has been. Thereby, since the fall prevention wire 20 cannot be seen from the front side in the state where the charging apparatus main body 10 is fixed to the wall 200, the appearance of the appearance is improved.
Also in the present embodiment, the length of the fall prevention wire 20 is set to be shorter than the surplus length of the power cable CB1 that is connected to the charging device body 10 and supplies power to the charging control unit 2 from an external power source. ing.
As a result, the power cable CB1 has room even when the fixing portion is unfixed and the charging device main body 10 is suspended by the fall prevention wire 20, so that the power cable CB1 itself or the power cable CB1 connected to the power cable CB1 is connected. Stress is less likely to be applied to the circuit components on the control unit 2 side.
Here, all the embodiments described above can be performed in combination with each other.
The preferred embodiments of the present invention have been described above, but the present invention is not limited to these specific embodiments, and various modifications and variations that do not depart from the scope of the claims are possible. It belongs to the category of the present invention.

Claims

A charging cable provided with a charging connector detachably connected to the electric vehicle;
A charging device main body provided with a charging control unit for controlling charging to the electric vehicle connected to the charging connector and connected to the charging cable;
A fixing part for fixing the charging device body to a wall of a building;
A charging device for an electric vehicle, comprising: a fall prevention wire that prevents the charging device body from falling on the ground by connecting the wall and the charging device body.
2. The charging device for an electric vehicle according to claim 1, wherein the fall prevention wire is attached at a position covered by the charging device body in a state where the charging device body is fixed to the wall.
2. The electric vehicle according to claim 1, wherein a length of the fall prevention wire is shorter than an extra length from a wall of a power cable that is connected to the main body of the charging device and supplies power to the charging control unit from an external power source. Charging device.
The charging device body is
A base fixed to the wall using the fixing portion;
A body that holds the charge control unit and is attached to the base;
The charging device for an electric vehicle according to any one of claims 1 to 3, wherein the fall prevention wire is attached to the base.
The charging device body is
A base fixed to the wall using the fixing portion;
A body that holds the charge control unit and is attached to the base;
The charging device for an electric vehicle according to any one of claims 1 to 3, wherein the fall prevention wire is attached to the body.
The said charging device main body has a recessed part in the surface facing the said wall, The said fall prevention wire is attached to the said charging device main body in the said recessed part, The any one of Claim 1 thru | or 3 characterized by the above-mentioned. Electric vehicle charging device.