JP3211383U - USB power supply device - Google Patents

Abstract

Provided is a USB power supply device that can be installed on an existing wall plate with a narrow back space and can be easily installed without requiring a qualification for electrical installation. A USB power supply apparatus that inputs AC commercial power and outputs USB standard DC power. A USB power supply port to which the USB cable 101 of the terminal device 100 can be connected is provided. A wall arrangement terminal unit 20 fixed to the member 70, a DC power cable 40 for supplying DC power to the wall arrangement terminal unit, and an AC adapter 30 to which AC commercial power is input and DC power is supplied to the DC power cable 40 And an AC power cable 60 having a power plug 62 that can be connected to a commercial power outlet at the tip. [Selection] Figure 1

Description

  The present invention relates to a power supply device for arranging a USB port for power supply on a wall surface.

  Today, a USB (Universal Serial Bus) interface is widely used as a data transmission and power supply standard for portable terminals such as music players, smartphones, and tablet computers. Therefore, the above-described portable terminal is provided with a USB charging device (so-called AC adapter) that generates USB standard DC power from AC commercial power for external power supply and battery charging. The USB port for receiving power and the USB port for supplying power to the USB charging device are connected by a USB cable having a predetermined connector.

  In addition, in order to supply power to the mobile terminal without using an AC adapter, a USB power supply port may be provided on the wall surface. As the wall surface, an indoor wall, a bed headboard, a table, or the like is used. If a power supply port is installed on the wall of the room or the headboard of the bed, the user of the portable terminal does not have to bring the AC adapter, and the hotel can save the trouble of renting the AC adapter. it can.

  As such a USB power supply device, an AC-DC converter that supplies USB standard DC power from commercial power is disposed on the back side of a USB port attached to a wall surface, and power is supplied from this AC-DC converter. There is.

  Patent Document 1 describes a USB power supply device in which an AD-DC converter is built in an outlet power supply section of an outlet so that the output of the outlet power supply is a DC voltage, and the outlet is a wall-embedded type.

  Patent Document 2 has a fixed case and a USB hub socket attached to a predetermined area of the wall, and the USB hub outlet is attached inside the fixed case and includes a transmission socket and a power plug. The printed circuit board is located inside the case and includes a power supply module and a hub module. The transmission socket is electrically connected to the hub module, and the power plug is electrically connected to the power module. A USB power supply device is described in which the USB socket conforms to the decorative plate standard of the wall outlet, and an existing AC power socket can be directly combined.

JP 2013-229259 A Japanese Patent Laid-Open No. 10-144425

  However, since a conventional USB power supply device directly arranges a USB power supply having a power supply port on the wall surface, when installing it on an existing wall surface, for example, an indoor wall surface or a bed headboard, an AC is provided on the back side of the wall surface. -Sufficient space for placing the DC adapter is required. In addition, installation of the USB power supply on the wall surface requires AC qualification because AC commercial power is directly connected.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a USB power supply device that can be installed on an existing wall plate with a narrow space on the back side and can be easily installed without requiring a qualification for electrical installation. And

The device according to claim 1, which solves the problem, is a USB power supply device that inputs AC commercial power and outputs USB standard DC power, and includes a power supply port member to which a power supply connector of an external device can be connected. A wall-arranged terminal unit disposed in a state where the power supply port member is exposed on the wall surface of the wall member, and a DC power cable for supplying the DC power to the wall-arranged terminal unit And an AC-DC power supply device that receives the AC commercial power and supplies the DC power to the DC power cable, and a power plug that can be connected to a commercial power outlet at the tip. An AC power supply cable for supplying a USB power supply device.
According to the present invention, the wall-arranged terminal unit is arranged on the wall, the wall-arranged terminal unit and the AC-DC power supply device are connected by the DC power cable, and the AC power cable is further connected to the AC-CD power device. When the plug is connected to a commercial power outlet, the AC commercial power from the commercial power outlet is input to the AC-DC power supply device via an AC power cable, converted to USB standard DC power, and then connected to the wall by the DC power cable. The power is input to the arrangement terminal unit and power can be supplied from the power supply port.
Therefore, the wall placement terminal unit is placed on the existing wall, the AC-DC power supply device is placed in the space behind the wall, and the USB power supply port is placed on the wall by simply inserting the power plug into the commercial power outlet. In addition, this installation does not require electrical qualification.

Similarly, in the invention according to claim 2, the DC power cable is divided into a wall-arranged terminal unit side cable and an AC-DC power supply side cable, and both cables are connected by a connection connector. The connector includes a retaining mechanism.
According to the present invention, the DC power supply cable is used by connecting the wall-arranged terminal unit side cable and the AC-DC power supply apparatus side cable with the connection connector, and the connection connector includes a retaining mechanism.
For this reason, the wall-arranged terminal unit can be installed on an existing wall with a small space without having to route a long DC power cable, and both the cables connected to the connector are not easily disconnected.
Therefore, it is possible to easily install the wall-arranged terminal unit, and to prevent the connected connector from being disconnected and cutting off the power to the wall-arranged terminal unit.

Similarly, the invention according to claim 3 is such that the wall mounting member of the wall-arranged terminal unit is fixed in a state in which the insertion portion is inserted into the hole formed in the wall and the insertion portion is disposed in the hole. A fixing member is provided.
According to the present invention, the wall-arranging terminal unit is disposed in the hole portion in which the wall mounting member is formed in the wall, and is fixed by the fixing member.
Therefore, the wall-arranged terminal unit can be easily and reliably fixed to the wall.

Similarly, the invention described in claim 4 is characterized in that the wall-arranged terminal unit has a cylindrical shape, and one or more of the power supply port members are disposed on the end surface exposed from the wall surface.
According to the present invention, the wall-arranged terminal unit has a cylindrical shape, and one or more power supply port members are disposed on the end surface on the exposed side from the wall surface.
Therefore, a desired number of power supply ports can be easily installed on the wall.

Similarly, the invention described in claim 5 is characterized in that the power supply port is a double-sided connection type.
According to the present invention, the power supply port is a double-sided connection type.
Therefore, when connecting the USB connector to the power supply port, it is not necessary to consider the front and back directions, and the connection time can be saved.

  According to the USB power supply device according to the present invention, it is possible to provide a USB power supply device that can be installed on an existing wall plate with a narrow back space and can be easily installed without requiring a qualification for electrical installation.

That is, according to the USB power supply device of the first aspect, the wall-arranged terminal unit is disposed on the wall, the wall-arranged terminal unit and the AC-DC power supply device are connected by a DC power cable, and the AC-CD power supply device is further connected. When an AC power cable is connected and the power plug is connected to a commercial power outlet, the AC commercial power from the commercial power outlet is input to the AC-DC power supply device via the AC power cable and converted to USB standard DC power. Furthermore, it is input to the wall-arranged terminal unit with a DC power cable, and power can be supplied from the power supply port.
Therefore, a wall placement terminal unit is placed on the existing wall, an AC-DC power supply device is placed in the space behind the wall, and a USB power supply port is attached to the wall with a simple operation by simply inserting a power plug into a commercial power outlet. In addition, this installation does not require electrical work qualification.

  In addition, according to the USB power supply device of the second aspect, the wall-arranged terminal unit can be installed on an existing wall with a small space without the need to route a long DC power cable, and both the cables connected to the connection connector are not easily disconnected. Therefore, it is possible to easily install the wall-arranged terminal unit and to prevent the connected connector from being disconnected and the power to the wall-arranged terminal unit being cut off.

  According to the USB power supply device of the third aspect, since the wall placement terminal unit is disposed in the hole formed in the wall and fixed by the fixing member, the wall placement terminal unit is mounted on the wall. Can be fixed easily and reliably.

  Furthermore, according to the USB power supply device of the fourth aspect, the arrangement terminal unit is cylindrical, and one or more power supply port members are arranged on the end face exposed from the wall surface. A desired number of power supply ports can be easily installed.

  According to the USB power supply device of the fifth aspect, since the power supply port is a double-sided connection type, when connecting the USB connector to the power supply port, it is not necessary to consider the front and back direction of the USB connector. Save time and effort.

BRIEF DESCRIPTION OF THE DRAWINGS The USB power supply device which concerns on 1st Embodiment of this invention is shown, (a) is a schematic diagram which shows the whole structure of the USB power supply device, (b) is the side surface of the wall arrangement | positioning terminal unit of the USB power supply device. (C) is a side view showing a state in which the wall-arranged terminal unit is attached to the wall, and (d) is a perspective view of the bed showing a state in which the wall-arranged terminal unit is attached to the headboard. FIG. 2 shows a wall-arranged terminal unit of the USB power supply device, wherein (a) is a front view, (b) is a plan view, (c) is a bottom view, (d) is a rear view, and (e) is a left side view. , (F) is a right side view, and (g) is a perspective view. FIG. 3 shows a wall-arranged terminal unit of a USB power supply device according to a second embodiment of the present invention, where (a) is a perspective view, (b) is a side view, and (c) is a wall-mounted terminal unit attached to a wall. It is a side view which shows the state. The USB power supply device concerning 3rd Embodiment of this invention is shown, (a) is a schematic diagram which shows the whole structure of the USB power supply device, (b) attached the wall arrangement | positioning terminal unit to the headboard. It is a perspective view of the bed which shows a state. FIG. 2 shows a wall-arranged terminal unit of the USB power supply device, wherein (a) is a plan view, (b) is a front view, (c) is a side view showing a state attached to a wall, and (d) is a perspective view. is there.

  A USB power supply device according to an embodiment for carrying out the present invention will be described with reference to the drawings.

<First Embodiment 1>
First, the USB power supply device according to the first embodiment will be described. 1A and 1B show the USB power supply device according to the first embodiment of the present invention. FIG. 1A is a schematic diagram showing the overall configuration of the USB power supply device, and FIG. 1B is a wall arrangement terminal of the USB power supply device. The side view of a unit, (c) is a side view which shows the state which attached the same wall arrangement | positioning terminal unit to the wall, (d) is the perspective view of the bed which shows the state which attached the same wall arrangement | positioning terminal unit to the headboard, FIG. Is a front view, (b) is a plan view, (c) is a bottom view, (d) is a rear view, and (e) is a left side view. (F) is a right side view and (g) is a perspective view.

  As shown in FIG. 1A, the USB power supply device 10 according to the first embodiment includes a wall-arranged terminal unit 20 and an AC adapter 30 that is an AC-DC power supply device. The wall arrangement terminal unit 20 and the AC adapter 30 are connected by a DC power cable 40.

  Commercial power is supplied to the AC adapter 30 through an AC power cable 60 from a commercial outlet of AC 100V. In this USB power supply device 10, power can be supplied to the terminal device 100 by connecting the USB cable 101 to either or both of the USB power supply ports 24 and 25 of the wall-arranged terminal unit 20.

  As shown in FIGS. 1B and 2, the wall placement terminal unit 20 includes a wall attachment portion 21 and a wall attachment flange 22 disposed on one end side of the wall attachment portion 21. Two USB power supply ports 24 and 25 of a double-sided connection type are arranged as power supply port members inside the wall mounting portion 21. The wall attachment portion 21 is a cylindrical member, and a male screw portion 21 a is formed on the outer periphery of the wall attachment portion 21.

  A nut member 23 for attachment to the wall can be screwed into the male screw portion 21a of the wall attachment portion 21 as a fixing member. Here, the diameter of the wall mounting portion 21 is, for example, 36 mm, the length dimension is, for example, 46 mm (“L” in FIG. 1B), the diameter of the wall mounting flange 22 is 40 mm, and the thickness is 3 mm.

  As shown in FIG. 1C, the wall mounting portion 21 is passed through a hole 71 formed in the wall member 70, and the nut member 23 is screwed into the male screw portion 21a. The wall-arranged terminal unit 20 is attached to the wall member 70 and fixed between the flanges 22.

  A connecting member 43 of the DC power cable 40 is arranged on the wall arrangement terminal unit 20. The connection member 43 is a member made of synthetic resin, and is bent at a right angle from the insertion direction of the USB power supply ports 24 and 25 so that the wall arrangement terminal unit side cable 41 of the DC power supply cable 40 can be arranged along the wall member 70. The DC power cable 40 is guided.

  The AC adapter 30 converts AC power of AC 100 to 240 V and 50 to 60 H into DC DC 5 V and 3.4 A determined by the USB interface, and a known switching power supply or the like can be used. The AC adapter 30 can be replaced with one having a larger output current or the like.

  The DC power cable 40 transmits the DC power of the AC adapter 30 to the wall-arranged terminal unit 20. The DC power cable 40 includes a wall arrangement terminal unit side cable 41 and a power supply side cable 42, and the wall arrangement terminal unit side cable 41 and the power supply apparatus side cable 42 are connected by a power connector 50.

  The power connector 50 includes a wall-arranged terminal-side connector 51 and a power-supply-device-side connector 52, and connects the wall-arranged terminal-unit-side cable 41 and the power-supply-device-side cable 42 by connecting the two. . The wall-arranged terminal-side connector 51 and the power supply device-side connector 52 are provided with a retaining mechanism. For the retaining mechanism, for example, a well-known configuration that is fixed by rotating one of the wall-arranged terminal-side connector 51 and the power supply device-side connector 52 relative to each other can be adopted.

  The AC power cable 60 has a power plug 62 connected to the tip of the cable 61. The power plug 62 can be connected to a commercial power outlet generally disposed on a wall or the like.

  The USB power supply apparatus 10 having such a configuration is installed and the wall placement terminal unit 20 is placed on the wall member 70 according to the following procedure. In this example, an example in which the wall arrangement terminal unit 20 is arranged on the head board 81 of the bed 80 as a wall member will be described.

  First, the hole 71 is formed in the head board 81, and the wall mounting portion 21 of the wall-arranged terminal unit 20 is passed through the hole 71. In this state, the wall mounting flange 22 is disposed on the exposed side of the head board 81. Then, the nut member 23 is screwed from the back side of the head board 81 to fix the wall-arranged terminal unit 20 to the wall member 70. At this time, the wall-arranged terminal side connector 51 is removed from the power supply device side connector 52 in advance.

  In this embodiment, as shown in FIGS. 1C and 2, the connecting member 43 to the wall-arranged terminal unit 20 of the DC power cable 40 is curved, so that even if the space on the back side of the headboard 81 is narrow, The connecting member 43 and the DC power cable 40 do not get in the way.

  And the wall arrangement | positioning terminal side connector 51 and the power supply device side connector 52 are connected, and a removal prevention mechanism is made into a locked state. Then, the AC adapter 30 is disposed on the back side of the bed 80, and the power plug 62 of the AC power cable 60 is connected to an existing commercial outlet. In the USB power supply device 10 according to the present embodiment, the installation of the USB power supply device 10 only supplies the AC power to the AC adapter 30 by connecting the power plug 62 to a commercial outlet. Even those who do not have can be performed. In addition, after the USB power supply device 10 is installed, the AC adapter 30 can be replaced with a larger capacity if necessary.

  In addition, since two USB power supply ports are disposed in the wall-arranged terminal unit 20, power can be supplied to two terminal devices. Further, since the USB power supply ports 24 and 25 are of the double-sided connection type, when the user connects the USB connector to the power supply port, it is not necessary to consider the front and back directions, and the connection trouble can be saved.

  As described above, by installing the USB power supply device 10, the user of the portable terminal does not have to bring the AC adapter, and the trouble of lending the AC adapter in a hotel or the like can be saved.

  The wall-arranging terminal unit 20 can be attached to a table, a wall, or other plate-like members in addition to the head board 81.

Second Embodiment
Next, a USB power supply device according to a second embodiment of the present invention will be described. 3A and 3B show a wall-arranged terminal unit of a USB power supply device according to a second embodiment of the present invention. FIG. 3A is a perspective view, FIG. 3B is a side view, and FIG. It is a side view which shows the state attached to the wall.

  In the USB power supply device according to the second embodiment, the wall placement terminal unit 20 of the USB power supply device 10 according to the first embodiment is replaced with a short-sized wall placement terminal unit 90. Other configurations, that is, the AC adapter 30, the power connector 50, and the AC power cable 60 are the same as those of the USB power supply device 10 of the first embodiment.

  In the present embodiment, as shown in FIG. 3, the wall arrangement terminal unit 90 includes a wall arrangement terminal unit 90 having a dimension L <b> 1 shorter than the length L of the wall arrangement terminal unit 20 of the USB power supply device 10. The wall placement terminal unit 90 includes a wall mounting portion 91, a male screw portion 91 a, a wall mounting flange 92, a nut member 93, and USB power supply ports 94 and 95.

  Moreover, the connection member 43a of the wall-arranged terminal unit side cable 41 has a smaller depth dimension than the connection member 43 of the first embodiment. The wall mounting portion 91 has a diameter of, for example, 39 mm, a length of, for example, 33 mm (“L1” in FIG. 3B: L> L1), the wall mounting flange 22 has a diameter of 40 mm, and a thickness of 3 mm.

  When the wall-arranged terminal unit 90 according to the present embodiment is used, as shown in FIG. 3C, the plate-like member 72 is arranged in the vicinity of the back side of the wall member 70A, and the dimension S of the back side space of the wall member 70A. The wall-arranging terminal unit 90 can be installed even when the is small.

<Third Embodiment>
Next, a USB power supply device according to a third embodiment of the present invention will be described. 4A and 4B show the USB power supply device according to the third embodiment of the present invention. FIG. 4A is a schematic view showing the entire configuration of the USB power supply device, and FIG. 4B shows the wall-arranged terminal unit as a headboard. FIG. 5 is a perspective view of the bed showing a state of being attached to the wall, FIG. 5 is a view showing a wall-arranged terminal unit of the USB power supply device, (a) is a plan view, (b) is a front view, and (c) is attached to a wall. (D) is a perspective view which shows the state which showed the state.

  As shown in FIG. 4A, the USB power supply device 110 according to the third embodiment includes a wall-arranged terminal unit 120 and an AC adapter 30. The wall arrangement terminal unit 120 and the AC adapter 30 are connected by a DC power cable 40. Commercial power is supplied to the AC adapter 30 through an AC power cable 60 from a commercial outlet of AC 100V. In this USB power supply device 110, the USB cable 101 can be connected to the USB power supply port 124 of the wall-arranged terminal unit 120 to supply power to the terminal device 100.

  In the present embodiment, the wall-arranged terminal unit 120 is disposed on the operation unit 83 disposed on the head board 81 of the bed 80, for example, as shown in FIG. The operation unit 83 is provided with a 100V commercial outlet 84 and a liquid crystal operation panel 85. The wall-arranged terminal unit 120 according to the present embodiment can be attached together with the commercial outlet of the operation unit 83 by using a commercial outlet fitting. This fixture is standardized and can be installed on an indoor wall or the like in addition to the operation portion 83 of the headboard 81.

  As shown in FIG. 5, the wall-arranged terminal unit 120 of the USB power supply device 110 according to the present embodiment is disposed on the wall-exposed side on the wall-attaching portion 121 and the wall-attaching portion 121. And a port panel portion 122 in which 124 openings appear. The depth dimension of the wall mounting portion 121 is, for example, 33 mm, and the port panel portion 122 is, for example, a rectangle of 23 mm × 28 mm. The port panel portion 122 is formed with an overhang portion 123 for attaching the wall-arranged terminal unit 120 to the panel of the operation portion 83 disposed on the head board 81.

  The overhanging portion 123 has the same standard dimensions as a commercial outlet fitting, and uses a commercial outlet fitting (not shown) to screw the overhanging portion 123 to the panel of the operation portion 83. Accordingly, the wall-arranged terminal unit 120 can be installed on the operation unit 83 of the headboard 81 in the same manner as the commercial outlet 84. Therefore, the appearance of the operation unit 83 can be made clear.

  In this embodiment, a USB male connector is used as the power connector 150, a USB male connector as the wall placement terminal side connector 151, and a USB female connector as the power supply device side connector 152. As the wall-arranged terminal-side connector 151 and the power supply device-side connector 152, those having the retaining prevention mechanism described in the first embodiment can be used.

  In this example, one USB power supply port 124 is arranged in the port panel unit 122. The USB power supply port 124 is a double-sided connection type. In the port panel unit 122, two or more USB power supply ports can be arranged.

  According to the USB power supply device 110 according to the present embodiment, the wall-arranged terminal unit 120 of the USB power supply device can be attached to the attachment portion of the commercial outlet on the wall portion without requiring any special work. Also, this installation does not require electrical work, so no special qualification is required.

  The present invention can be installed on an existing wall board having a small back space, and can be easily installed without requiring a qualification for electrical work.

10: USB power supply device 20: wall placement terminal unit 21: wall mounting portion 21a: male screw portion 22: wall mounting flange 23: nut member 24: power supply port 25: power supply port 30: AC adapter (AC-DC power supply device)
40: DC power supply cable 41: Wall arrangement terminal unit side cable 42: Power supply apparatus side cable 43: Connection member 50: Power supply connector 51: Wall arrangement terminal side connector 52: Power supply apparatus side connector 60: AC power supply cable 61: Cable 62: Power plug 70: Wall 71: Hole 72: Plate member 80: Bed 81: Headboard (wall member)

Claims (5)

A USB power supply device that inputs AC commercial power and outputs USB standard DC power,
A wall placement terminal unit that includes a power feed port member to which a power feed connector of an external device can be connected, and is arranged in a state where the power feed port member is exposed on a wall surface of the wall member in a state of being installed on a wall member;
A DC power cable for supplying the DC power to the wall-arranged terminal unit;
An AC-DC power supply device that receives the AC commercial power and supplies the DC power to the DC power cable;
An AC power cable having a power plug connectable to a commercial power outlet at the tip and supplying commercial power to the AC-DC power source;
A USB power supply device comprising: The DC power cable is divided into a wall-arranged terminal unit side cable and an AC-DC power supply side cable, and both cables are connected by a connection connector.
The USB power supply device according to claim 1, wherein the connection connector includes a retaining mechanism.   The wall mounting member of the wall-arranged terminal unit includes an insertion portion that is inserted into a hole formed in the wall, and a fixing member that fixes the insertion portion in a state where the insertion portion is disposed in the hole. The USB power supply device according to claim 1.   2. The USB power supply device according to claim 1, wherein the wall-arranged terminal unit has a cylindrical shape, and one or more of the power supply port members are disposed on an end surface exposed from the wall surface.   The USB power supply device according to claim 1, wherein the power supply port member is a double-sided connection type.