JP6587498B2 - Charging stand - Google Patents

Description

  The present invention relates to a charging stand for charging a battery mounted on an electric vehicle or the like.

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.
Such a charging device for a vehicle is installed in a garage (parking space) of a dwelling unit. For example, the charging device for a vehicle is fixed to a wall surface of a garage or installed in a storage space of a stand main body standing on the ground of a garage. It is installed in.

  By the way, since the above-mentioned stand main body is installed outdoors, the atmospheric temperature in the stand main body rises as the temperature rises. In order for the vehicle charging device housed in the stand main body to operate normally, the ambient temperature in the stand main body is within the operating temperature range (for example, minus 10 ° C. to 40 ° C.) of the electrical equipment in the vehicle charging device. It is necessary to be. Therefore, a charging stand that suppresses the occurrence of problems associated with an increase in the ambient temperature in the stand body has been proposed (see Patent Document 1).

The conventional charging stand shown in FIG. 7 has a stand main body 501 formed in a box shape and installed outdoors, an outlet unit 510 disposed in the stand main body 501, and an increase in the ambient temperature in the stand main body 501. In order to suppress this, a light shielding member 506 installed outside the stand main body 501 is provided.
The light shielding member 506 is formed in a long box shape whose front and lower surfaces are open, and accommodates the stand body 501 inside such that the front surface of the stand body 501 faces the outside from the front opening.

  Therefore, since the sunlight is blocked by the light shielding member 506, the temperature rise in the stand main body 501 and, consequently, the temperature rise in the casing of the outlet unit 510 are suppressed. As a result, it is possible to prevent the electrical device in the outlet unit 510 from being used in a temperature environment exceeding the upper limit of the operating temperature range, and to prevent malfunction and failure of the electrical device and shortening of the service life.

JP 2012-95426 A

  However, as described above, the light shielding member 506 that is installed outside and covers the stand main body 501 has a problem that the design property of the charging stand is impaired and the manufacturing cost increases due to the increase in size. Also, air blowers and cooling devices have been proposed as temperature rise restraining means for restraining the rise in ambient temperature in the stand main body 501, but when these devices are provided in the stand main body 501, the manufacturing cost is further increased. It will be high.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide an inexpensive charging stand that suppresses the occurrence of a malfunction of the charging device due to a temperature rise without impairing the design. .

In order to achieve the above-described object, a charging stand according to the present invention is characterized by the following configuration.
(1) A case stand formed in a box shape, a charging device disposed in the case stand, fixed to the charging device so as to cover at least a fixing surface of the charging device, and the case A heat shield attached to the inner wall of the stand, and the heat shield is disposed so as to have a space with respect to at least one of the inner wall of the case stand and the fixed surface of the charging device. Charging stand characterized by.

According to the charging stand having the configuration (1), radiant heat radiated from the case stand heated by sunlight toward the fixed surface of the charging device is blocked by the heat shield plate. Therefore, the temperature rise of the charging device is suppressed. As a result, it is possible to prevent the charging devices from being used in a temperature environment exceeding the upper limit of the operating temperature range, and it is possible to prevent malfunctions and failures of these charging devices and shortening of the service life. That is, in the charging stand having the above-described configuration, it is possible to suppress the occurrence of problems associated with the temperature rise of the charging device in the case stand.
Moreover, since the heat shield plate can be made the minimum necessary size to cover the fixed surface of the charging device, the manufacturing cost can be suppressed. Moreover, the heat shield attached to the inner wall of the case stand does not impair the design of the case stand.
Further, according to the charging stand having the configuration (1), the air layer in the space provided between the inner wall of the case stand or the fixed surface of the charging device is charged from the case stand by the heat shield plate or the heat shield plate. While suppressing heat conduction to the device, air in the space can be convected along the heat shield plate. Therefore, the temperature rise of the charging device is further suppressed.

( 2 ) The heat shield plate extends from a side edge of the flat plate portion so as to cover at least one of a flat plate portion fixed to the fixing surface of the charging device and a side surface continuous to the fixing surface of the charging device. The charging stand according to (1 ) , further comprising: a side plate portion.

According to the charging stand having the above configuration ( 2 ), the radiant heat radiated from the case stand toward the side surface of the charging device is blocked by the side plate portion of the heat shield plate. Therefore, the temperature rise of the charging device is further suppressed.

  ADVANTAGE OF THE INVENTION According to this invention, the cheap charging stand which suppressed generation | occurrence | production of the malfunction of the charging device accompanying a temperature rise without impairing design property 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. .

It is a perspective view of the charging stand which concerns on one Embodiment of this invention. It is a perspective view which shows the state which removed the charging device from the charging stand shown in FIG. (A) is a front view of the case stand shown in FIG. 2, (b) is an AA cross-sectional arrow view of (a). It is a disassembled perspective view of the case stand shown in FIG. (A)-(c) is the front view, longitudinal cross-sectional view, and rear view of the heat shield shown in FIG. It is a principal part expanded sectional view of the charging stand shown in FIG. It is a perspective view which shows the conventional charge stand.

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 a charging stand 1 according to an embodiment of the present invention.
As shown in FIG. 1, a charging stand 1 according to this embodiment includes a case stand 11 standing on the ground where an electric vehicle is parked, and a vehicle charging device (charging device) disposed in the case stand 11. 21, and a heat shield 31 provided between the vehicle charging device 21 and the case stand 11. This charging stand 1 installs the vehicle charging device 21 in a garage (parking space) of a dwelling unit.

  The vehicle charging device 21 includes a device main body 23, a charging cable 43, and a charging connector 41. The vehicle charging device 21 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 23 has a built-in charger, and has a monitor unit 29 for displaying a charging state and the like on the front surface. The charging cable 43 extends from the lower part of the apparatus main body 23, and the charging connector 41 is provided at the tip of the charging cable 43. The charging connector 41 can be attached to and detached from a connector provided in the vehicle. The charging cable 43 has a considerable margin so that the charging connector 41 can be connected to the vehicle connector even when the vehicle connector is arranged at a position far from the vehicle charging device 21. It has a length with Therefore, the charging cable 43 is held by being locked in a state of being wound around a hook 27 provided at the lower portion of the apparatus main body 23.

  The apparatus main body 23 includes a connector holding portion 25, and the charging connector 41 is held by the connector holding portion 25. When charging the vehicle battery, the charging connector 41 is detached from the connector holding portion 25 of the apparatus main body 23 and connected to the vehicle connector. After the charging of the vehicle battery is completed, the charging connector 41 is detached from the vehicle connector and is held by the connector holding portion 25 of the apparatus main body 23.

  In the vehicle charging device 21, power is supplied from the charger of the device body 23 to the vehicle side via the charging cable 43 with the charging connector 41 connected to the vehicle connector. Thereby, the battery of the vehicle is charged.

  As shown in FIGS. 2 to 4, the case stand 11 according to the present embodiment includes a substantially cylindrical case body 13 in which an oval opening 16 is cut out along the longitudinal direction, and an upper end of the case body 13. By assembling a circular upper plate 14 that closes the opening, a base 61 that is attached to the lower end opening of the case body 13, and an inner wall 15 that is attached to the case body 13 in correspondence with the opening 16, a substantially cylindrical box shape Is formed.

The upper plate 14 and the inner wall 15 are welded to the case body 13. The inner wall 15 is integrally formed with a long rectangular plate-like back plate portion 17 to which the vehicle charging device 21 is attached and a substantially semi-disc-shaped bottom plate portion 19.
In the upper part of the back plate part 17, a power cable connection port 20 for drawing out a PF pipe and a ground wire through a power cable connected to the vehicle charging device 21 and a work hole 18 are opened. is doing. Furthermore, a plurality of brackets 55 for fixing the vehicle charging device 21 via the heat shield plate 31 are welded to the front surface of the back plate portion 17. A heat shield plate 31 to be described later is fixed to the bracket 55 of the back plate portion 17 by rivets 56.

The base 61 is installed on a concrete foundation (not shown) by screwing a nut into an anchor bolt penetrating the anchor mounting hole 67 of the annular portion 63. At this time, inside the base 61, a PF tube and a grounding wire that are passed through a power cable are passed in advance.
Then, after passing the PF pipe and the ground wire through the case main body 13, the case main body 61 is covered with the fixed base 61, and the bolt 71 penetrating the base mounting hole 12 of the case main body 13 and the case mounting hole 65 of the base 61 is used. The case body 13 is fixed to the concrete foundation.

  As shown in FIGS. 4 and 5, the heat shield plate 31 according to the present embodiment has a rectangular flat plate portion 33 that is fixed to the back surface 26 of the device body 23 that is a fixed surface of the charging device 21, and a back surface 26. Cover the top plate 35, which is a side plate extending from the upper edge of the flat plate portion 33 so as to cover the upper surface of the device body 23, which is a continuous side surface, and the left and right side surfaces of the device body 23, which is the side surface continuous to the back surface 26. As described above, a pair of side plates 37 that are side plate portions extending from the left and right edges of the flat plate portion 33 are provided.

  However, when the charging stand 1 is installed near the wall, the direction of sunlight irradiation is limited. Therefore, the side plate portion of the heat shield plate does not necessarily need to cover the entire upper surface and the left and right side surfaces of the device main body 23, and only the side plate portion covering at least one surface of the device main body 23 irradiated with sunlight is the side edge of the flat plate portion 33. It may be extended from. Furthermore, if the heat shield of the present invention is fixed to the charging device 21 so as to cover at least the back surface 26 of the charging device 21, the heat shielding plate blocks the radiant heat radiated toward the back surface 26 having a relatively large surface property. Thereby, the temperature rise of the charging device 21 can be suppressed effectively.

  As the heat shield plate 31, a metal plate that reflects radiant heat, such as an aluminum plate, or a metal plate coated with a heat shield paint can be used. Also, a heat insulating material such as plastic or ceramic having poor thermal conductivity can be used. Of course, these heat shielding materials and heat insulating materials can also be used in combination.

  The flat plate portion 33 has an operation hole 39 for drawing out the PF tube and the ground wire, and a fixing hole 32 through which the rivet 56 is inserted. Furthermore, a plurality of brackets 51 and 53 for fixing the vehicle charging device 21 are welded to the front surface of the flat plate portion 33.

  The heat shield plate 31 is fixed to the bracket 55 of the back plate portion 17 by a rivet 56 that penetrates the fixing hole 32. Therefore, the heat shield plate 31 fixed to the bracket 55 is disposed so as to have a space S1 with respect to the back plate portion 17 in the inner wall 15 of the case stand 11, as shown in FIG.

  In addition, the vehicle charging device 21 is fixed to the bracket 51 of the heat shield plate 31 by a fixing screw that passes through a fixing hole provided in the back surface 26 of the apparatus main body 23. In addition, the bracket 53 is fixed with a fixing bracket of the hook 27 together with the apparatus main body 23. Therefore, the heat shield 31 to which the vehicle charging device 21 is fixed via the brackets 51 and 53 has a space S2 with respect to the back surface 26 of the device main body 23 in the vehicle charging device 21, as shown in FIG. Are arranged as follows.

  According to the charging stand 1 of the present embodiment described above, radiant heat radiated from the case stand 11 heated by sunlight toward the back surface 26 of the charging device 21 is blocked by the heat shield plate 31. Therefore, the temperature rise of the charging device 21 is suppressed. As a result, the charging device 21 can be prevented from being used in a temperature environment that exceeds the upper limit of the operating temperature range, and malfunction and failure of the charging device 21 and a shortened life can be prevented. That is, in the charging stand 1 of the present embodiment, it is possible to suppress the occurrence of problems associated with the temperature rise of the charging device 21 in the case stand 11.

  Moreover, since the heat shield 31 of this embodiment can be made into the minimum required size which covers the back surface 26, the upper surface, and the left and right side surfaces of the charging device 21, it can be compared with the conventional light shielding member 506 shown in FIG. Manufacturing costs can be reduced. Further, since the heat shield 31 attached to the inner wall 15 of the case stand 11 is difficult to see from the outside of the case stand 11, the design of the case stand 11 is not impaired.

  Furthermore, according to the charging stand 1 of the present embodiment, the air layer in the spaces S <b> 1 and S <b> 2 provided between the inner wall 15 of the case stand 11 and the back surface 26 of the charging device 21 is separated from the case stand 11 by the heat shield plate 31. In addition, heat conduction from the heat shield plate 31 to the charging device 21 can be suppressed, and air in the spaces S1 and S2 can be convected along the heat shield plate 31. Therefore, the temperature rise of the charging device 21 is further suppressed.

  Further, according to the charging stand 1 of the present embodiment, radiant heat radiated from the case stand 11 toward the upper surface and the left and right side surfaces of the charging device 21 is blocked by the top plate 35 and the side plate 37 of the heat shield plate 31. Therefore, the temperature rise of the charging device 21 is further suppressed.

  Therefore, according to the charging station 1 of the present embodiment, an inexpensive charging station that suppresses the occurrence of the malfunction of the charging device 21 due to the temperature rise can be provided without impairing the design.

  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.

For example, in the charging stand 1 according to the above-described embodiment, the front surface of the case stand 11 is opened by the opening 16, but an opening / closing door that closes the opening 16 may be provided.
Moreover, although the case stand 11 of the said embodiment is formed in the substantially cylindrical box shape by the substantially cylindrical case main body 13, it cannot be overemphasized that it can form in various box shapes, such as a prismatic shape.

  Furthermore, since the case main body 13 is formed in a substantially cylindrical box shape, the case stand 11 according to the above embodiment has the inner wall 15 having the back plate portion 17 for attaching the heat shield plate 31 as the case main body 13. Although configured separately, when the case main body is formed in a substantially prismatic box shape and the heat shield 31 can be directly attached, the inner wall can be configured integrally with the case main body.

Here, the features of the above-described embodiment of the charging station according to the present invention will be briefly summarized and listed below.
[1] A case stand (11) formed in a box shape;
A charging device (21) disposed in the case stand;
A heat shield plate (31) fixed to the charging device so as to cover at least the fixing surface (back surface 26) of the charging device and attached to the inner wall (15) of the case stand;
A charging stand (1) characterized by comprising:
[2] The heat shielding plate is disposed so as to have a space (S1, S2) with respect to at least one of an inner wall of the case stand and a fixing surface of the charging device. 1].
[3] From the side edge of the flat plate portion, the heat shield plate covers at least one of the flat plate portion (33) fixed to the fixed surface of the charging device and the side surface continuous to the fixed surface of the charging device. The charging stand according to [1] or [2], wherein the charging stand includes an extended side plate (top plate 35, side plate 37).

DESCRIPTION OF SYMBOLS 1 Charging stand 11 Case stand 15 Inner wall 21 Vehicle charging device (charging device)
26 Back (fixed surface)
31 Heat shield

Claims (2)

A box-shaped case stand;
A charging device disposed in the case stand;
A heat shield fixed to the charging device so as to cover at least a fixed surface of the charging device and attached to the inner wall of the case stand;
Equipped with a,
The charging stand, wherein the heat shield plate is disposed so as to have a space with respect to at least one of an inner wall of the case stand and a fixing surface of the charging device . The heat shield plate,
A flat plate portion fixed to a fixed surface of the charging device;
A side plate portion extended from a side edge of the flat plate portion so as to cover at least one of the side surfaces continuous with the fixed surface of the charging device;
The charging stand according to claim 1, further comprising:

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