JP2023062479A - Portable type power supply device - Google Patents

Abstract

To provide a power supply device capable of achieving a simpler constitution than the conventional.SOLUTION: A portable power supply device 1 includes: a power supply connector 42; an inverter; a power supply cable 43 connecting the power supply connector 42 with the inverter; an outlet socket 44 for outputting AC power output from the inverter; and a trolley case 20 capable of transportation. The trolley case 20 includes a case body 21 with an inverter storage space and a lid 22 provided to rotate against the case body 21. The case body 21 is provided with an inner wall member 41 for partitioning an inverter storage space which is an inner space of the case body 21 and a lid back space which is a space on a back face 22A side of the lid 22. The power supply connector 42 and the power supply cable 43 are constituted to be stored in the lid back space and the outlet socket 44 is provided at the inner wall member 41 to face the lid back space.SELECTED DRAWING: Figure 6

Description

Application for application of Article 30, Paragraph 2 of the Patent Act (1) Published on May 31, 2021 on the company's website https://www. nichicon. co. jp/new/pdfs/release_20210531a. pdf (2) Published in our product catalog on June 17, 2021 (3) Published on our website on August 19, 2021 https://www. nichicon. co. jp/products/v21/ (4) Released at the exhibition (3rd International Livestock Material EXPO) on October 13, 2021 (5) Web exhibition (CEATEC 2021) on October 18, 2021 ONLINE) https://online. seatec. com/booth/2628 (6) Released on video advertisement distribution site on October 4, 2021 https://www. news-tv. jp/_ct/16960816 (7) Published on video sharing site on October 11, 2021 https://www. youtube. com/watch? v = YT80sO68u9c (8) Sales from August 30, 2021 to October 21, 2021 to the shipping destinations listed in the shipping information list

The present invention relates to a portable power supply device that supplies AC power.

An advantage of electric vehicles (including PHEVs) and fuel cell vehicles is that they can be used as DC power sources. For example, Patent Document 1 discloses a portable power supply device that converts direct current power output from such automobiles into alternating current power and supplies the alternating current power to a power consuming device.

A portable power supply device described in Patent Document 1 includes a trunk box that houses an inverter. The trunk box is composed of a case having a bottom surface and front, rear, left, and right side surfaces of the trunk box, and a lid having a top surface of the trunk box. Outlets for outputting AC power output from the inverter and outlet covers for protecting the outlets from rain and the like are provided on the outer surface of the case forming the front side surface of the trunk box.

JP 2018-148665 A

However, in the configuration of Patent Document 1, the production cost of the portable power supply device is high, and simplification of the configuration has been desired for the purpose of cost reduction.

SUMMARY OF THE INVENTION An object of the present invention is to provide a portable power supply device with a simpler configuration than the conventional one.

In order to solve the above problems, the portable power supply device of the present invention includes a power supply connector connected to an external DC power supply, an inverter for converting DC power input from the power supply connector into AC power, and the power supply A power supply cable for connecting a connector and the inverter, an outlet for outputting AC power output from the inverter, and a transportable case for housing the inverter, the case for housing the inverter. a lid provided rotatably with respect to the case body; and a hinge mechanism connecting the case body and the lid. An inner wall member is provided to separate the inverter storage space, which is the internal space of the case body, from the space behind the lid, which is the space on the back side of the lid, so that the power supply connector and the power supply cable can be stored in the space behind the lid. and the outlet is provided on the inner wall member so as to face the space behind the lid.

According to the above configuration, the outlet is provided on the inner wall member so as to face the space behind the lid. Therefore, when the case is closed, the lid for housing the power supply connector and the power supply cable protects the outlet from rain and the like. is protected. Therefore, since the lid also serves as a cover for protecting the outlet, it is possible to simplify the configuration as compared with the conventional one.

In addition, it is preferable that the back surface of the lid faces upward in the open state in which the case is opened when the case is in an upright position with respect to the road surface. According to this configuration, the lid can receive the power supply connector and the power supply cable when the closed state in which the case is closed is switched to the open state. Therefore, it becomes easier to take out the power supply connector and the power supply cable from above. Also, when the case is switched from the open state to the closed state, it becomes easy to store the power supply connector and the power supply cable in the space behind the lid.

Further, it is preferable that a cushion material having a shape into which the power supply connector is fitted is provided in the space behind the lid. According to this configuration, the power supply connector can be accommodated at a desired position in the space behind the lid, and the power supply connector can be prevented from being damaged.

Further, the case has a first wire inlet through which the power supply cable is passed and a second wire inlet through which the power cable connected to the outlet is passed, as openings for communicating between the outer space of the case and the space behind the lid. It is preferable to have According to this configuration, the power supply cable is pulled out of the case (that is, the power supply connector is connected to an external DC power supply), and the power cable connected to the outlet is pulled out of the case (that is, The case can be closed to protect the outlet when the power consuming device is placed outside the case.

Further, the case has a right side surface and a left side surface facing in opposite directions, and one of the first wire inlet and the second wire inlet is provided on the right side, and the other is provided on the right side. It is preferably provided on the left side. According to this configuration, the direction in which the power supply cable extends from the case can be opposite to the direction in which the power supply cable extends. can increase the degree of freedom of arrangement.

Further, it is preferable that an operation unit for operating the operation of the inverter is provided, and the operation unit is provided on one of the right side and the left side on which the second wire inlet is provided. According to this configuration, the work of passing the power cable connected to the outlet through the second inlet and the work of operating the operation unit can be performed from the same direction, and workability when power is supplied from the outlet to the power consuming device. can increase

ADVANTAGE OF THE INVENTION According to this invention, the portable electric power feeder with a structure simplified more than before can be provided.

1 is a schematic configuration diagram of a portable power supply device according to an embodiment of the present invention; FIG. 1 is an external view of a portable power supply device according to an embodiment of the present invention, and is a perspective view showing a closed state of a trolley case; FIG. It is an external view of the portable electric power feeder which concerns on the same embodiment, Comprising: (A) is a front view, (B) is a top view. It is an external view of the portable electric power feeder which concerns on the same embodiment, Comprising: (A) is a right side view, (B) is a left side view. It is an external view of the portable electric power feeder which concerns on the same embodiment, Comprising: (A) is a rear view, (B) is a bottom view. It is a perspective view which shows the open state of the trolley case which concerns on the same embodiment. It is a top view which shows the open state of the trolley case which concerns on the same embodiment. (A) and (B) are explanatory views showing a transporting process of the portable power supply device according to the embodiment.

A portable power supply device 1 (hereinafter referred to as "power supply device 1") of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of the power supply device 1, and FIGS. 2 to 5 are external views of the power supply device 1. FIG.

As shown in FIG. 1, the power supply device 1 includes an input connector 11, an inverter 12, an output connector 13, a startup power connector 14, a control unit 15, a display unit 16, and an operation unit 17. I have. The power supply device 1 converts DC power input from an external DC power supply P into AC power, and supplies the AC power to the power consuming device C. As shown in FIG.

The input-side connector 11 is a connector for connecting the DC power supply P and the inverter 12, and in this embodiment, is configured by a power supply connector 42 (see FIG. 6), which will be described later. The inverter 12 is a circuit that converts DC power input from the input-side connector 11 into desired AC power. The output-side connector 13 is a connector for connecting the power consuming device C and the inverter 12, and in this embodiment, it is configured by an outlet 44 (see FIG. 6), which will be described later. The startup power supply connector 14 is a connector for connecting the DC power supply P and the control unit 15, and in this embodiment, it is configured by a socket 45 (see FIG. 6), which will be described later.

The control unit 15 is a circuit that drives the inverter 12 and controls the inverter 12 based on the operation of the operation unit 17 by the user. The display unit 16 is configured to display the operation mode of the inverter 12, and in this embodiment, is configured by a light-emitting lamp 34 (see FIG. 2), which will be described later. The operation unit 17 is composed of operation switches for operating the operation of the inverter 12, and is operated by the user. In the present embodiment, the power supply device 1 includes, as the plurality of operation units 17, a start button 31 (see FIG. 2), a stop button 32 (see FIG. 2), an emergency stop button 33 (see FIG. 4B), Also, a frequency switching button 46 (see FIG. 6) is provided.

FIG. 2 is a perspective view of the power supply device 1. FIG. The front-rear direction X, the left-right direction Y, and the up-down direction Z indicated by arrows in the drawing are linear directions orthogonal to each other. Therefore, when the front-back direction X and the left-right direction Y are horizontal directions, the up-down direction Z is a vertical direction.

As shown in FIG. 2, the power supply device 1 includes a transportable trolley case 20 that houses the inverter 12 and the like. The trolley case 20 includes a case body 21 , a lid 22 , a hinge mechanism 23 (see FIG. 3), a lock mechanism 24 , legs 25 , wheels 26 and handles 27 and 28 . The trolley case 20 is configured to be switchable between a closed state in which the trolley case 20 is closed and an open state in which the trolley case 20 is open.

When the trolley case 20 is closed, the case body 21 and the lid 22 are in contact with each other, and the inner wall member 41 (see FIG. 6) and the lid 22 close the space behind the lid. When the trolley case 20 is open, the case main body 21 and the lid 22 are separated from each other, the inner wall member 41 faces the external space of the trolley case 20, and the space behind the lid is opened.

3 to 5 are six views of the power supply device 1, showing a closed state in which the trolley case 20 is closed, a state in which the handle 27 is not pulled out, and a state in which the handle 28 is not raised. .

As shown in FIGS. 3 to 5, the trolley case 20 is formed in a substantially rectangular parallelepiped shape and has a front surface 20A, a rear surface 20B, a right side 20C, a left side 20D, an upper surface 20E, and a lower surface 20F. are doing. When the trolley case 20 is closed and the handle 27 is not pulled out, the dimension of the trolley case 20 in the vertical direction Z is larger than the dimension of the trolley case 20 in the longitudinal direction X, and the trolley case 20 in the lateral direction Y is larger. Small compared to 20 dimensions.

In addition, the trolley case 20 has a first wire inlet 20G (see FIG. 6) through which a power supply cable 43 (see FIG. 6) and a startup power supply cable (not shown) are passed, as an opening that communicates the external space of the trolley case 20 and the space behind the lid. 4(B)) and a second inlet 20H (see FIG. 4(A)) through which a power cable (not shown) connected to the outlet 44 (see FIG. 6) is passed.

The first wire inlet 20G is provided on the left side surface 20D of the trolley case 20, and when the trolley case 20 is in an upright position, the power supply connector 42 (see FIG. 6) is connected to the power supply connector 42 (see FIG. 6) when the trolley case 20 is closed. It is configured so that it can be connected to a DC power supply P. That is, by passing the power supply cable 43 through the first inlet 20G, the trolley case 20 can be switched from the open state to the closed state while the power supply connector 42 is connected to the DC power supply P. Further, by passing a starting power supply cable (not shown) through the first wire inlet 20G, it is possible to switch the trolley case 20 from the open state to the closed state while the DC power supply P is connected to the socket 45 (see FIG. 6). can.

The second wire inlet 20H is provided on the right side surface 20C of the trolley case 20, and when the trolley case 20 is in an upright position, the outlet 44 (see FIG. 6) and the electric power are connected when the trolley case 20 is closed. It is configured so that it can be connected to a consumer device C. That is, by passing the power cable connected to the power consuming device C through the second inlet 20H, the trolley case 20 can be switched from the open state to the closed state while the power consuming device C is connected to the outlet 44.

The case main body 21 has an inverter storage space (not shown) for storing the inverter 12 and the control unit 15 . The case main body 21 constitutes the entire rear surface 20B of the trolley case 20, the right side 20C, the left side 20D, the upper surface 20E, and the lower surface 20F. The case main body 21 has a corner surface 21A as an outer surface on which a start button 31 and a stop button 32, which will be described later, are provided. The corner surface 21A is provided so as to face the upper right, and is both the upper surface 20E and the right side surface 20C of the trolley case 20. As shown in FIG.

The lid 22 is provided in front of the case main body 21 and constitutes the entire front surface 20A of the trolley case 20 . The lid 22 is rotatable about an axis parallel to the left-right direction Y provided at the lower end of the trolley case 20 . The lid 22 has a back surface 22A (see FIG. 6) that forms a lid back space. The rear surface 22A of the lid 22 faces an inner wall member 41 (see FIG. 6) described later when the trolley case 20 is closed, and faces upward when the trolley case 20 is open when the trolley case 20 is in an upright position. is configured as

The hinge mechanism 23 is provided at the lower ends of the case main body 21 and the lid 22 and arranged on the lower surface 20</b>F of the trolley case 20 . The hinge mechanism 23 connects the case body 21 and the lid 22 and rotatably supports the lid 22 with respect to the case body 21 .

The lock mechanism 24 is provided at the upper end of the case main body 21 and arranged on the upper surface 20</b>E of the trolley case 20 . The lock mechanism 24 is configured to be capable of restricting rotation of the lid 22 with respect to the case body 21 . The lock mechanism 24 switches between a locked state in which opening of the trolley case 20 is restricted and an unlocked state in which opening of the trolley case 20 is not restricted.

The leg portion 25 is provided at the lower end portion of the case main body 21 and arranged at the front end portion of the lower surface 20</b>F of the trolley case 20 . The legs 25 support the trolley case 20 by coming into contact with the road surface G (see FIG. 8). In this embodiment, the leg portion 25 is provided integrally with the lower end portion of the case main body 21, and the two leg portions 25 are provided with an interval in the left-right direction Y. As shown in FIG.

A plurality of wheels 26 are provided at the lower end of the case main body 21 and arranged at the rear end of the lower surface 20</b>F of the trolley case 20 . The leg portion 25 and the wheel 26 are spaced apart from each other in the front-rear direction X, and the wheel 26 supports the trolley case 20 by coming into contact with the road surface G (see FIG. 8) together with the leg portion 25 . The wheels 26 are rotatable around axes parallel to the left-right direction Y. As shown in FIG. In this embodiment, the wheels 26 are provided at the right end and the left end of the case body 21, so that the two wheels 26 are spaced apart in the left-right direction Y. As shown in FIG.

The handle 27 is configured to be able to be pulled out from the trolley case 20, and is gripped when carrying the trolley case 20 without lifting it. The handle 27 is provided on the case main body 21, and is arranged at the rear end of the upper surface 20E of the trolley case 20, so that it is arranged above the wheels 26 when the trolley case 20 is in an upright position. is configured as In this embodiment, the handle 27 is connected to a telescopic rod 27A (see FIGS. 5A and 8) arranged on the rear surface 20B of the trolley case 20, and the telescopic rod 27A is telescopic in the vertical direction Z. , and is configured to be switchable between a state in which it is pulled out from the trolley case 20 and a state in which it is not pulled out from the trolley case 20. - 特許庁

The handle 28 is grasped when the trolley case 20 is lifted and carried. The handle 28 is provided on the case main body 21 and arranged at the center of the upper surface 20E of the trolley case 20 . The handle 28 is configured to be rotatable about an axis parallel to the horizontal direction Y. As shown in FIG.

Further, the power supply device 1 includes a start button 31, a stop button 32, an emergency stop button 33, a plurality of light-emitting lamps 34, and vents 35 and 36 as components provided on the outer surface of the trolley case 20. there is

The start button 31 and the stop button 32 are provided on the case main body 21, and configured so that the start button 31 and the stop button 32 are arranged on the upper surface 20E of the trolley case 20 when the trolley case 20 is in an upright posture. It is In this embodiment, the start button 31 and the stop button 32 are provided on the corner surface 21A of the case main body 21, so that they are arranged at the end of the upper surface 20E of the trolley case 20 and the upper part of the right side surface 20C of the trolley case 20. configured to be The start button 31 and the stop button 32 are configured by push button switches. The start button 31 is an operation unit 17 for starting power conversion and output. When the start button 31 is operated, the control unit 15 starts power conversion in the inverter 12 and the output side connector is activated. 13 is configured to start outputting power. The stop button 32 is an operation unit 17 for stopping power conversion and output. When the stop button 32 is operated, the control unit 15 stops the power conversion in the inverter 12, and the output side connector is stopped. 13 is configured to stop outputting power.

The emergency stop button 33 is provided on the case main body 21 and arranged above the left side surface 20</b>D of the trolley case 20 . The emergency stop button 33 is composed of a push button switch. The emergency stop button 33 is an operation unit 17 for forcibly stopping power conversion and output. , and the output-side connector 13 stops outputting electric power. The emergency stop button 33 is protected by a button cover 33A to prevent unintended operation.

A plurality of light-emitting lamps 34 are provided on the case main body 21 in the same manner as the start button 31 and stop button 32 . That is, the light-emitting lamp 34 is provided on the corner surface 21A of the case main body 21 . The light-emitting lamp 34 is the display unit 16 that displays the operating mode of the inverter 12 by light emission.

The vents 35 and 36 are provided in the case main body 21 and communicate the internal space of the case main body 21 (that is, the inverter housing space) and the external space. The vent 35 is arranged on the left side surface 20D of the trolley case 20 and is configured as an exhaust port for discharging air from the inside of the trolley case 20 to the outside. The air vents 36 are arranged on the rear surface 20B and the bottom surface 20F of the trolley case 20 and are configured as air intakes for sucking air from the outside of the trolley case 20 to the inside. A fan (not shown) is provided in the internal space of the case main body 21 for sucking air from the vent 36 and discharging air from the vent 35 .

6 and 7 show an open state in which the trolley case 20 is opened while the trolley case 20 is in an upright position. The trolley case 20 is switched from the closed state to the open state by unlocking the lock mechanism 24 and tilting the lid 22 forward.

As shown in FIGS. 6 and 7, the power supply device 1 is housed in the trolley case 20 and includes an inner wall member 41, a power supply connector 42, a power supply cable 43, a plurality of outlets 44, and a socket 45. , a frequency switching button 46 and a cushion material 47 .

The inner wall member 41 is provided in the case main body 21 and separates the inverter storage space, which is the internal space of the case main body 21 , from the external space of the case main body 21 . The inner wall member 41 is provided with an outlet 44, a socket 45, and a frequency switching button 46 that face the space behind the lid when the trolley case 20 is closed.

The power supply connector 42 is the input side connector 11 connected to the electric vehicle or the fuel cell vehicle, and is connected to the battery as the DC power supply P provided in the electric vehicle or the fuel cell vehicle, thereby supplying the battery (DC power supply P). It is possible to extract power from When the trolley case 20 is closed, the power supply connector 42 is configured to be housed at a predetermined position in the space behind the lid.

The power supply cable 43 is a flexible electric wire and connects the power supply connector 42 and the inverter 12 . The power supply cable 43 is configured to horizontally protrude from the inner wall member 41 when the trolley case 20 is in an upright position. In this embodiment, the power supply cable 43 is configured to protrude leftward from the inner wall member 41 . In the closed state of the trolley case 20, the power supply cable 43 is configured to be wound and housed in the space behind the lid.

The outlet 44 is the output-side connector 13 to which the power consuming device C is connected. By inserting a power plug (not shown) provided at one end of the power cable, the power consuming device C is connected via the power cable. connected to The outlet 44 outputs the AC power output from the inverter 12 (that is, the AC power generated by the inverter 12).

The socket 45 is a start-up power connector 14 connected to an electric vehicle or a fuel cell vehicle, and is connected to a battery as a DC power supply P provided in the electric vehicle or fuel cell vehicle to operate the battery (DC power supply P). power for the inverter 12 to start operating. The socket 45 is connected to the DC power supply P via a starting power supply cable (not shown) connected to a 12V output accessory socket provided in the electric vehicle or the fuel cell vehicle. If the electric vehicle or the fuel cell vehicle can output power for the starting power source through the power supply connector 42, the cable for starting power source does not have to be used.

The frequency switching button 46 is composed of a rocker switch. The frequency switching button 46 is an operation unit 17 for selecting the frequency of AC power. By operating the frequency switching button 46, the control unit 15 changes the frequency of the power generated by the inverter 12 to 60 Hz. and 50 Hz from one to the other.

The cushion material 47 is attached to the rear surface 22A of the lid 22 and provided in the space behind the lid. The cushion material 47 has a shape into which the power supply connector 42 fits (that is, a power supply connector housing portion 47A that houses the power supply connector 42) and a shape that allows the power supply cable 43 to be wound. The cushion member 47 also has a cross-shaped cable storage portion 47B positioned to the right of the power supply connector storage portion 47A, and the cable for supplying 12V (that is, the cable for starting power supply) can be stored in the cable storage portion 47B. It has become.

The power supply device 1 configured as described above is used in a state in which the trolley case 20 is in an upright position. The upright posture is a state in which the trolley case 20 stands upright on the road surface G by supporting the trolley case 20 with both the legs 25 and the wheels 26 contacting the road surface G (see FIG. 8). The trolley case 20 can be switched between an open state and a closed state by rotating the lid 22 with respect to the case body 21 in which the trolley case 20 is in an upright posture.

Next, referring to FIG. 8, the process of transporting the power supply device 1 will be described.
FIG. 8 shows an example of a process of carrying the trolley case 20 in an upright position. First, as shown in FIG. 8A, the handle 27 is pulled upward from the trolley case 20 . Next, by pulling the handle 27 in the horizontal direction H, as shown in FIG. Switch to a possible transportable posture. By pulling the handle 27 in the horizontal direction H, the power supply device 1 can be transported without lifting the trolley case 20 .

According to this embodiment, the following effects are obtained.
(1) The outlet 44 is provided on the inner wall member 41 so as to face the space behind the lid. The outlet 44 is protected from rain or the like. Therefore, since the lid 22 also serves as a cover for protecting the outlet, it is possible to simplify the configuration as compared with the conventional one.

(2) Since the rear surface 22A of the lid 22 faces upward when the trolley case 20 is in the open state, the power supply connector 42 and the power supply cable 43 are connected to the lid 22 when the trolley case 20 is switched from the closed state to the open state. can be received at Therefore, it becomes easier to remove the power supply connector 42 and the power supply cable 43 from above. Further, when the trolley case 20 is switched from the open state to the closed state, it becomes easy to store the power supply connector 42 and the power supply cable 43 in the space behind the lid.

(3) Since the space behind the lid is provided with a cushion member 47 having a shape to fit the power supply connector 42, the power supply connector 42 can be stored in the space behind the lid at a desired position, and the power supply connector 42 will not be damaged. can be suppressed.

(4) Since the trolley case 20 has the first wire inlet 20G and the second wire inlet 20H, the power supply cable 43 is pulled out of the trolley case 20 (that is, the power supply connector 42 is connected to the external DC power supply P). ), and the power cable connected to the outlet 44 is pulled out of the trolley case 20 (that is, the power consuming device C is placed outside the trolley case 20), and the trolley case 20 is closed. can protect the outlet 44.

(5) One of the first wire inlet 20G and the second wire inlet 20H is provided on the right side 20C and the other is provided on the left side 20D. The direction in which the cable extends can be reversed, and the degree of freedom in arranging the power consuming device C connected to the outlet 44 with respect to the external DC power supply P to which the power supply connector 42 is connected can be increased.

(6) Since the start button 31 and the stop button 32 (the operation unit 17) are provided on the right side 20C of the right side 20C and the left side 20D where the second inlet 20H is provided, they are connected to the outlet 44. The operation of inserting the supplied power cable through the second inlet 20H and the operation of operating the start button 31 and the stop button 32 can be performed from the same direction (that is, from the right), and power is supplied from the outlet 44 to the power consuming device C. workability can be improved.

The present invention is not limited to the above embodiments, and the above configurations can be changed as appropriate. For example, the above-described embodiment may be implemented with the following changes, or may be implemented in combination with the following changes.

The size relationship of each dimension of the trolley case 20 in the front-back direction X, the left-right direction Y, and the up-down direction Z may be changed. For example, the dimension of the trolley case 20 in the vertical direction Z may be the same as the dimension of the trolley case 20 in the horizontal direction Y.

The configuration and arrangement of the operation unit 17 may be changed. For example, the start button 31 and the stop button 32 may be arranged in the center of the upper surface 20E of the trolley case 20 in the upright position.

The arrangement of the first line entrance 20G and the second line entrance 20H may be changed. That is, the first wire inlet 20G may be provided on a side surface other than the left side surface 20D of the trolley case 20 (for example, the right side surface 20C), and the second wire inlet 20H may be provided on a side surface other than the right side surface 20C of the trolley case 20 (for example, It may be provided on the left side surface 20D).

A transportable case other than the trolley case 20 may be used to configure the portable power supply device. That is, the case that houses inverter 12 does not have to have wheels 26 and handle 27 that can be pulled out.

1 portable power supply device 12 inverter 17 operation unit 20 trolley case (case)
20C right side (side)
20D left side (side)
20G First wire inlet 20H Second wire inlet 21 Case main body 22 Lid 22A Back surface 23 Hinge mechanism 31 Start button 32 Stop button 41 Inner wall member 42 Power supply connector 43 Power supply cable 44 Outlet 47 Cushion material G Road surface P DC power supply X Front-rear direction Y Right and left Direction Z Vertical direction

Claims (6)

a power supply connector connected to an external DC power supply;
an inverter that converts DC power input from the power supply connector into AC power;
a power supply cable that connects the power supply connector and the inverter;
an outlet for outputting AC power output from the inverter;
A transportable case that houses the inverter,
The case includes a case body having an inverter storage space for housing the inverter, a lid provided rotatably with respect to the case body, and a hinge mechanism connecting the case body and the lid. with
The case body is provided with an inner wall member that partitions the inverter storage space, which is the internal space of the case body, and the lid back space, which is the space on the back side of the lid,
The power supply connector and the power supply cable are configured to be storable in the space behind the lid,
The portable power supply device, wherein the outlet is provided on the inner wall member so as to face the space behind the lid. 2. The portable power supply device according to claim 1, wherein the rear surface of the lid faces upward in an open state in which the case is open when the case is in an upright position with respect to the road surface. 3. The portable power supply device according to claim 1, wherein the back space of the lid is provided with a cushion material having a shape into which the power supply connector is fitted. The case is provided with a first wire inlet through which the power supply cable is passed and a second wire inlet through which the power cable connected to the outlet is passed, as openings for communicating between the external space of the case and the space behind the lid. The portable power supply device according to any one of claims 1 to 3, characterized in that The case has a right side surface and a left side surface facing in opposite directions,
5. The portable power supply device according to claim 4, wherein one of said first wire inlet and said second wire inlet is provided on said right side and the other is provided on said left side. An operation unit for operating the operation of the inverter,
The portable power supply device according to claim 5, wherein the operation unit is provided on one of the right side and the left side on which the second wire inlet is provided.

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