JP2007103165A - Tabletop power relay device and connection unit used for it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tabletop power relay device capable of relaying power on a table and of keeping an aesthetic appearance while allowing more A.C. taps to be easily added; and to provide a connection unit used for it. <P>SOLUTION: This tabletop power relay device 10 has connection units 20-60 electrically connected to one another from the side of a connection base end to the side of a connection tip in a connection direction A. The first connection unit 20 positioned at the connection base end has an A.C. output terminal 25 mounted on a side surface on the connection tip side in the connection direction A. Each of the connection units 30-50 located on the connection tip side relative to the first connection unit 20 has an A.C. input terminal formed on a side surface on the connection base end side in the connection direction A and an A.C. output terminal connected to the A.C. input terminal and formed on a side surface on the connection tip side in the connection direction A. A.C. taps 27 and 37 are formed at least in one of the first to N-th connection units 20-60 and an A.C. cord 26 is attached to at least one of the first to N-th connection units 20-60. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a desktop power supply relay device and a connection unit used therefor.

  In recent years, various kinds of OA devices such as personal computers, printers, fax machines, photocopiers, telephones, lighting equipment, mobile phone chargers, audio equipment, IC recorders, etc. Recording equipment is arranged. Power supply is essential for these devices.

  Conventionally, a plurality of AC taps connected to a power cord have been used to supply power to many devices (for example, Patent Document 1).

  However, this AC tap is usually arranged on the floor, and is usually provided with an octopus wire under the desk. For this reason, the power supply connection or removal operation is complicated and the aesthetic appearance is impaired.

A device in which an AC tap is provided on a charger for a mobile phone that has been widely used in recent years has been proposed (for example, Patent Document 2). However, the charger is incorporated in a conventional AC tap, and a fundamental solution. It is not.
JP-A-11-204217 Utility Model Registration No. 3037182

  SUMMARY OF THE INVENTION An object of the present invention is to provide a desktop power supply relay device that can relay power on a desktop and can maintain an aesthetic appearance while easily increasing the number of AC taps, and a connecting unit used therefor.

  Another object of the present invention is to provide a desktop power supply relay device in which various functions necessary for the desktop are provided as functions other than the power supply relay function in each connection unit, and a connection unit used therefor.

  The desktop power supply relay device according to the present invention includes first to Nth (N is an integer of 3 or more) connection units that can be electrically connected from the connection base end side in the connection direction toward the connection front end side. The first connection unit located at the connection base end has an AC output terminal provided on a side surface on the connection tip side in the connection direction, and is located closer to the connection tip than the first connection unit. The Kth (2 ≦ K ≦ N−1) coupling unit is connected to the (K−1) th AC input terminal and is provided on the side of the coupling tip side in the coupling direction. An AC output terminal and a (K-1) th AC input terminal provided on a side surface of the connection base end side in the connection direction, and the Nth connection unit is the connection direction in the connection direction. A (N-1) th AC input terminal provided on the side surface on the connecting base end side; The N at least one the AC tap of the connection unit is provided for, characterized by at least one providing the AC power cord to the coupling unit of the N from the first from.

  In the present invention, at least one or more Kth coupling units can be coupled between the first and Nth coupling units by connecting the AC output terminals and the AC input terminals. And the power supply voltage from the AC power cord connected to any one of the connecting units can be supplied to the other connecting units via the AC output terminal and the AC input terminal. Accordingly, power can be supplied to the external device on the table via the AC tap provided in at least one connection unit. Therefore, the wiring which impairs the beauty on the floor using the conventional AC tap becomes unnecessary. In addition, the AC tap can be attached to and detached from the desktop, improving operability.

  In the present invention, each of the first to Nth connecting units has a main body and a stand for supporting the main body on a table, and the main bodies of the first to Nth connecting units can be connected to each other. Can be configured.

  In this way, the main body of each connecting unit can be installed at a desired height from the desktop via the stand, and the aesthetics on the desktop can be maintained by the design of the main body and the stand.

  In the present invention, the stand of each of the first to Nth connecting units can form a storage unit for stationery by connecting the main bodies together. The table's aesthetics can be maintained by the storage function of the stand.

  In the present invention, any one of the first to N-th connecting units is an AC charger for a mobile phone that charges a mobile phone based on supply from the at least one AC power cord, and the mobile phone The AC charger may have a connector connected to the mobile phone.

  As an additional function of the connecting unit, it is an example of an AC charger for a mobile phone, and the aesthetic appearance can be maintained while the charger is always placed on the table.

  In the present invention, any one of the first to N-th connecting units is a USB hub, and the USB hub is connected to a first USB terminal provided on a back surface of the main body and a front surface of the main body. And a second USB terminal connected to the first USB terminal.

  It is a USB hub function as another additional function of the connecting unit, and various functions having a USB terminal can be connected.

  In the present invention, any one of the first to Nth connecting units is an acoustic device having a length obtained by connecting three other main bodies of the first to Nth connecting units, A display unit and an operation unit are disposed in front of a central area corresponding to one main body, and speakers can be disposed in each area corresponding to the one main body on both sides thereof.

  Another additional function of the connection unit, for example, radio equipment such as radio that cannot be realized with the size of one main body, is configured by connecting multiple other main bodies so that individual main bodies with a unified design It is possible to create a design image that is connected in multiple numbers.

  In the present invention, any one of the first to Nth connecting units may be a DC supply device, and may have a DC connector on the front surface of the main body.

  It is a DC supply function as still another additional function of the connecting unit, and various functions requiring a DC power source can be connected.

  In the present invention, one of the AC input terminal and the AC output terminal is an AC plug, and a concave portion is provided on a side surface of the main body on which the AC plug is provided, and the AC plug rotates on the side surface. The AC plug can be supported and accommodated in the recess when the AC plug is not used, so that the AC plug does not protrude from the side surface.

  Since the AC plug can be accommodated in the recess when the individual connecting units with the AC plug are sold separately or stored when not in use, the compactness can be achieved. In order to connect the connecting unit to another connecting unit, the AC plug may be raised.

  In the present invention, the at least one AC power cord is connected to the first connecting unit, a power switch is provided on a side surface of the first connecting unit on the connecting base end side, and the power switch is turned on. Thus, power can be supplied from the AC power cord.

  In this case, the first connecting unit functions as a main unit, and power can be supplied to other subunits.

  In the present invention, the main body may be formed in a cylindrical shape having the connection direction as an axial direction. Of course, various main body designs can be applied. However, while the main body design is rounded, the connection in the connecting direction may be performed by connecting the side surfaces of the cylinders, and the connecting operation is easy.

  According to the present invention, there is further provided a connection unit used in a desktop power supply device including a plurality of connection units that can be electrically connected from the connection base end side to the connection front end side in the connection direction, and includes an AC power cord and an AC output terminal. A connection unit as a main unit having a connection unit, a connection unit as a subunit having an AC input terminal, an AC output terminal, and an AC tap, a connection unit as a subunit having an AC charger for a mobile phone, and the like are defined.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. The embodiments described below do not unduly limit the contents of the present invention described in the claims. Also, not all of the configurations described below are essential constituent requirements of the present invention. In the following drawings, the same reference numerals have the same meaning.

(Overview of desktop power relay device)
FIG. 1A is a front view of the desktop power supply relay device 10 of the present embodiment, and FIG. 1B is a left side view thereof. The tabletop power supply relay device 10 has first to Nth (N is an integer greater than or equal to 3) that can be electrically connected from the connecting base end side in the connecting direction A shown in FIG. Then, N = 5) connecting units 20 to 60 are provided. The first to fifth connection units 20 to 50 each have various functions. In the present embodiment, the first connection unit 20 has a power on / off function and an AC tap function, the second connection unit 30 has an AC tap function, the third connection unit 40 has a USB hub function, and a fourth. The connecting unit 50 has a DC supply function, and the fifth connecting unit 60 has a radio function.

  Since each of the first to fifth connecting units 20 to 60 has a unified design and can be attached to and detached from each other, the connecting order can be changed, or any of the connecting units can be detached. Connection units with new functions can be added. For this reason, by installing this desktop power supply relay device 10 on a desk such as a desk, the functions of the individual connecting units can be exhibited together with the beauty.

(First connecting unit)
The first connecting unit (main unit) 20 located at the connecting base end in FIG. 1 is shown in the six views of FIGS. 2 (A) to 2 (C) and FIGS. 3 (A) to 3 (C). Thus, it has the column-shaped 1st main body 21 and the 1st stand 22 which supports this 1st main body 21 on a desktop. As shown in FIG. 2 (B), the first stand 22 is placed on the table so as to extend diagonally downward from the lower part on the back side of the first main body 21 and the leg 22A. And a desktop placement unit 22B. The table mounting portion 22A passes below the first main body 21 and protrudes to the front side of the first main body 21, and the protruding end 22C is curved upward so as to be away from the table. The table mounting portion 22B stably supports the first main body 21 on the table with its thickness and length in the depth direction. For this reason, for example, the thickness of the table-top placement portion 21 </ b> B changes in a streamline manner, and is the maximum thickness in the vicinity of almost the first main body 21.

  As shown in FIGS. 2A and 2B, the first main body 21 has a first protrusion 21 </ b> A having a diameter smaller than the diameter of the first main body 21 on the connection base end side in the connection direction A. Have For example, a seesaw-type power switch 23 is provided on an end surface (one side surface of the first main body 21 in a broad sense) 21B of the first protruding portion 21A (see FIGS. 1A and 2B).

  As shown in FIG. 2A, an indicator 24 that is turned on when the power switch 23 is turned on is provided on the front surface of the first main body 21.

  As shown in FIG. 2C, the first main body 21 has a recess having a diameter smaller than the outer diameter of the first main body 21 (a fitting portion in a broad sense) on the connection leading end side in the connection direction A. 21C, and has a first connector (first AC output terminal in a broad sense) 25 on a bottom surface 21D of the recess 21C (the other side of the first main body 21 in a broad sense).

  As shown in FIG. 3C, an AC power cord 26 provided with a plug 26A is connected to the back surface of the first main body 21. Further, an AC tap 27 is provided on the back surface of the main body 21.

  When the plug 26A of the AC power cord 26 is connected to an outlet and the power switch 23 is turned on, the indicator 24 is lit and the power relay function can be used. That is, when the power switch 23 is turned on, the AC power cord 26 is electrically connected to the first AC output terminal 25 and the AC tap 27.

  In the present embodiment, the first connecting unit 20 is a main unit having a power on / off function, but any one of the first to Nth connecting units may have the function of the main unit. it can.

(Second connection unit)
The second connecting unit (sub-unit) 30 shown in FIG. 1 includes a second connecting unit (subunit) 30 as shown in FIGS. 4 (A) to 4 (C) and FIGS. 5 (A) to 5 (C). Main body 31 (second projecting portion 31A, first recessed portion 31C) and second stand 32 (second leg portion 32A, second desktop placing portion 32B, projecting end 32C), and The basic outer shape is the same as that of the first main body 21 and the first stand 22.

  Predetermined from an end surface (one side surface of the second main body 31 in a broad sense) 31B of the second projecting portion 31A provided on the base end side in the connecting direction A of the second connecting unit 30 toward the second main body 31. A depth recess 31E is provided. The recess 31E is provided with a first AC plug (first AC input terminal in a broad sense) 33 that is rotatably accommodated. When the first AC plug 33 is housed as shown in FIG. 4B, the first AC plug 33 is housed so as not to protrude from the end face 31B of the second projecting portion 31A, as shown in FIG. 5C. Yes.

  On the front surface of the second main body 31, an indicator 34 that is lit by power feeding from the first connecting unit 20 is provided. A second connector (second AC output terminal in a broad sense) 35 is provided on the bottom surface 31D of the second recess 31C provided on the connection tip end side in the connection direction A of the second connection unit 30. Further, an AC tap 37 is provided on the back surface of the second main body 31.

  When the second connection unit 30 is connected to the first connection unit 20 as shown in FIG. 1, the second AC plug 33 is raised (see the chain line in FIG. 4A), and the first Connected to the first connector 25 of the main body 21. In addition, the second protrusion 31 </ b> A of the second main body 31 is fitted into the first recess 21 </ b> C of the first main body 21. By this connection, the second connection unit 30 can be used as an AC tap by the power supply from the first connection unit 20.

(Third connection unit)
As shown in FIGS. 6 (A) to 6 (D), the third connecting unit 40 (sub unit) shown in FIG. 1 includes a third main body 41 (third projecting portion 41A, third recessed portion 41C). ) And a third stand 42 (third leg portion 42A, third desktop placement portion 42B, projecting end 42C), and their basic outer shapes are the first main body 21 and the first stand 22. Is the same. Note that a plan view and a bottom view of the third connecting unit 40 are omitted because they are substantially the same as FIGS. 5A and 5B.

  A third AC that is rotatably accommodated in a recess 41E provided on the end surface (a side surface of the third main body 41 in a broad sense) 41B of the third protrusion 41A of the third connection unit 40. A plug (third AC input terminal in a broad sense) 43 is provided.

  On the front surface of the third main body 41, an indicator 44 that is turned on by power feeding from the first and second connection units 20 and 30 and, for example, four USB terminals 46 are provided. A third connector (in a broad sense, electrically connected) to the third AC plug 43 is attached to the bottom surface 41D of the third recess 41C provided on the connecting tip end side in the connecting direction A of the third connecting unit 40. A third AC output terminal) 45 is provided. Further, for example, two USB terminals 47 are provided on the back surface of the third main body 41.

  The third connection unit 40 can be connected to the first or second connection unit 20 or 30 in the same manner as the second connection unit 30. Then, the indicator 34 is lit by power supply from the first connection unit 20 (or power supply via the second connection unit 30). For example, a personal computer can be connected to the USB terminal 47 on the back surface of the third coupling unit 40. In this state, by connecting a digital camera, a printer, or the like to the four USB terminals 46 on the front side of the third connection unit 40, data input / output can be performed with a personal computer. The connection unit 40 can be used as a USB hub.

(Fourth connecting unit)
As shown in FIGS. 7A to 7D, the fourth connecting unit 50 (sub unit) shown in FIG. 1 includes a fourth main body 51 (fourth protrusion 51A, fourth recess 51C). ) And a fourth stand 52 (fourth leg portion 52A, fourth desktop placement portion 52B, projecting end 52C), and their basic outer shapes are the first main body 21 and the first stand 22. Is the same. A plan view and a bottom view of the fourth connecting unit 50 are also substantially the same as those shown in FIGS. 5A and 5B, and are omitted.

  4th AC accommodated rotatably in the recess 51E provided in the end surface (one side surface of the 4th main body 51 in a broad sense) 51B side of the 4th protrusion part 51A of the 4th connection unit 50. As shown in FIG. A plug (fourth AC input terminal in a broad sense) 53 is provided.

  On the front surface of the fourth main body 51, an indicator 54 and a DC connector 56 that are turned on by power supply from the first, second, and third connecting units 20, 30, and 40 are provided. On the bottom surface 51D of the fourth recess 51C provided on the connecting tip end side in the connecting direction A of the fourth connecting unit 50, a fourth connector (in a broad sense, electrically connected to the fourth AC plug 53). A fourth AC output terminal) 55 is provided. On the bottom surface 51D of the fourth recess 51C provided on the connecting tip end side in the connecting direction A of the fourth connecting unit 50, a fourth connector (in a broad sense, electrically connected to the fourth AC plug 53). A fourth AC output terminal) 55 is provided.

  The fourth connection unit 50 can be connected to the first to third connection units 20 to 40 in the same manner as the second and third connection units 30 and 40. The indicator 54 is lit by power supply from the first connection unit 20 (or power supply via the second and third connection units 30 and 40). Further, the fourth main body 51 of the fourth connection unit 50 incorporates an AC-DC converter (not shown) that operates by feeding power from the first connection unit 20. Therefore, a DC supply function can be realized by connecting a DC jack (DC input terminal in a broad sense: not shown) to a DC connector (DC output terminal in a broad sense) 56 of the fourth connecting unit 50.

(5th connecting unit)
The fifth connecting unit 60 provided on the connecting front end side in the connecting direction A shown in FIG. 1 is arranged on the one side surface of the fifth main body 61 as shown in FIGS. 8 (A) to 8 (C). In addition to having five projecting portions 61A, the other projecting side has a sixth projecting portion 61C. Further, the fifth connecting unit 60 has a fifth stand 62 (fifth leg portion 62A, fifth desktop placing portion 62B, protruding end 62C). However, the fifth main body 61 of the fifth connecting unit 60 has a length obtained by connecting three of any one of the first to fourth main bodies 21 to 51, and the first to third block bodies. 6-1, 61-2, 61-3. Block separation grooves 68-1 and 68-2 are provided at boundaries between the first to third block bodies 61-1, 61-2, and 61-3. Therefore, as shown in FIG. 1, each of the first to third block bodies 61-1, 61-2, and 61-3 is seemingly the same as each of the first to fourth connection units 20 to 50. It can be identified as the outer shape.

  5th AC accommodated rotatably in the recess 61E provided in the end surface (one side surface of the 5th main body 61 in a broad sense) 61B side of the 5th protrusion part 61A of the 5th connection unit 60. A plug (fifth AC input terminal in a broad sense) 63 is provided. An AC output terminal is not provided at the end 61D of the sixth projecting portion 61C provided on the connecting tip end side in the connecting direction A of the fifth connecting unit 60. As shown in FIG. 1, when the fifth connection unit 60 is connected to a position other than the connection front end in the connection direction A, the connection front end side of the first to fourth connection units 20 to 50 is connected. A fifth connector (fifth AC output terminal in a broad sense) may be provided in the same manner as the side surface.

  The central second block body 61-2 functions as a radio main body, and includes a display unit 64, a power switch 66 with an indicator, a tuning key 67, a volume key 68, and a headphone jack 69. When the power switch 66 with an indicator is turned on, the indicator 54 is turned on by power feeding from the first to fourth connecting units 20 to 50, and the radio main body built in the second block main body 61-2 operates. To do. The first and third block bodies on both sides of the second block body 61-2 function as left and right speakers 70 and 71.

(Effect of embodiment)
As described above, according to the present embodiment, the first to Nth (N = 5 in the embodiment) 20 to 60 coupling units 20 to 60 are coupled so as to be electrically connected, so that the desktop power relay device 10 is configured. For example, when the power switch 23 provided in the first connection unit 20 is turned on, various functions can be realized on the table using the first to Nth connection units 20 to 60. As one of the functions, the AC taps 25 and 35 are provided in the first and second connecting units 20 and 30, for example, so that the AC tap function can be realized on the table. Therefore, it is possible to realize power relay that has been performed on the floor using a conventional AC tap while maintaining the aesthetic appearance on the table. The basic function of the desktop power supply relay device 10 is this power supply relay. However, by providing other functions in each of the connecting units, the above-described USB hub function, DC supply function, radio function, etc. can be connected. It is also possible to realize this by combining these functions, and it is possible to add necessary functions. Moreover, since the individual connecting units 20 to 60 are connected to each other and have a unified design, the aesthetic effect on the table is excellent.

  The front end portions 22C to 62C provided on the stands 22 to 62 of the first to fifth connecting units 20 to 60 shown in FIG. 1 are bent or bent upward so that the table mounting portions 22B to 22C are formed. 62B can also be used as a storage unit for stationery such as pens and erasers.

(Other examples of connecting units)
9A to 9D show a sixth connecting unit 80 having a charger function for a mobile phone. The sixth connecting unit 80 is an example of a unit that is connected to the connecting frontmost portion in the connecting direction A in FIG. For this reason, in addition to the sixth protrusion 81 </ b> A being provided on one side of the sixth main body 81, the seventh protrusion 81 </ b> C is provided on the other side. Similar to the first connection unit 20, the sixth stand 82 includes a sixth leg portion 82A, a sixth desktop placement portion 82B, and a protruding end 82C.

  A sixth AC that is rotatably accommodated in a recess 81E provided on an end surface (one side surface of the sixth main body 81 in a broad sense) 81B of the sixth projecting portion 81A of the sixth connecting unit 80. A plug (sixth AC input terminal in a broad sense) 83 is provided.

  On the front surface of the sixth main body 81, an indicator 84 that is lit by power feeding from the first connecting unit 20 is provided. A recess 81F is provided on the end surface 81D of the seventh projecting portion 81C provided on the connecting tip end side in the connecting direction A of the sixth connecting unit 80, and a charging connector 85 that can be stored in the recess 81F is provided. It has been. The charging connector 85 can be connected to the charging connector on the mobile phone side by raising the charging connector 85 or pulling out a cable (not shown) connected to the charging connector 85. In the latter case, an automatic or manual winding mechanism for the cable can be provided. In the case where the sixth connecting unit 80 is not arranged on the connection front end side in the connection direction A in FIG. 1, the installation position of the charging connector 85 is moved to the top surface or the back surface of the sixth main body 81, and the connection tip Similarly to the first to fourth connection units 20 to 50, AC output terminals that can be accommodated in the recesses can be arranged on the side surface on the side.

  In addition, the connecting unit can be provided with other various functions such as an acoustic device function other than the radio, a video function, and a clock display function. Further, the connecting unit is not necessarily provided with a function that receives power and exhibits its function, and may be a storage function of a stationery such as a pen holder. Further, since the connecting units can be connected by electrical connection between the AC output terminal and the AC input terminal, the fitting of the protruding portions 31A to 61A and the recessed portions 21C to 51C is not necessarily required as in the above-described embodiment. However, since the joint between the protruding portions 31A to 61A and the concave portions 21C to 51C can be blinded as in the above-described embodiment, the aesthetic effect is enhanced.

  As described above, the embodiments of the present invention have been described in detail. However, it will be easily understood by those skilled in the art that many modifications can be made without departing from the novel matters and effects of the present invention. . Accordingly, all such modifications are intended to be included in the scope of the present invention. For example, a term described with a different term having a broader meaning or the same meaning at least once in the specification or the drawings can be replaced with the different term anywhere in the specification or the drawings.

FIG. 1A is a front view of a desktop power supply relay device according to an embodiment of the present invention, and FIG. 1B is a left side view. 2A to 2C are a front view, a left side view, and a right side view, respectively, of the first coupling body shown in FIG. 3A to 3C are a plan view, a bottom view, and a rear view, respectively, of the first coupling body shown in FIG. 4A to 4C are a front view, a left side view, and a right side view, respectively, of the second coupling body shown in FIG. 5A to 5C are a plan view, a bottom view, and a rear view, respectively, of the second connection main body shown in FIG. 6A to 6D are a front view, a left side view, a right side view, and a rear view, respectively, of the third connecting body shown in FIG. FIGS. 7A to 7D are a front view, a left side view, a right side view, and a rear view, respectively, of the fourth connecting body shown in FIG. 8A to 8C are a front view, a left side view, and a right side view, respectively, of the fifth connecting body shown in FIG. FIG. 9A to FIG. 9D are a front view, a left side view, a right side view, and a rear view of the sixth coupling body, respectively.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Desktop power supply relay apparatus, 20-60 1st-5th connection unit, 21-61 1st-5th main body, 31E-61E recess, 22-62 1st-5th stand, 23 Power switch, 33-63 1st-4th AC input terminal, 25-55 1st-4th AC output terminal, 26 AC power cord, 27, 37 AC tap, 46, 47 USB terminal, 56 DC output terminal, 61- 1 to 61-3 block body, 64 display unit, 66 to 68 operation unit, 70, 71 speaker, 80 sixth connection unit, 85 charging connector

Claims (15)

Having first to Nth (N is an integer of 3 or more) connection units that can be electrically connected from the connection base end side to the connection front end side in the connection direction;
The first connection unit located at the connection base end has a first AC output terminal provided on a side surface on the connection distal end side in the connection direction;
The Kth (2 ≦ K ≦ N−1) coupling unit located closer to the coupling tip than the first coupling unit is connected to the (K−1) th AC input terminal, and A Kth AC output terminal provided on a side surface of the connection tip side in the connection direction; and a (K-1) th AC input terminal provided on a side surface of the connection base end side in the connection direction. And
The Nth connection unit has an (N-1) th AC input terminal provided on a side surface of the connection base end side in the connection direction,
An AC tap is provided on at least one of the first to Nth connecting units,
An AC power cord is provided in at least one of the first to Nth connecting units. In claim 1,
Each of the first to Nth connecting units includes a main body and a stand that supports the main body on a table, and the main bodies of the first to Nth connecting units are configured to be connectable to each other. A desktop power relay device characterized by In claim 2,
The stand of each of the first to Nth connecting units forms a stationery storage unit by connecting the main bodies to each other. In claim 2 or 3,
Any one of the first to N-th connecting units is a mobile phone AC charger that charges a mobile phone based on power supplied from the at least one AC power cord, and the mobile phone AC charger Has a connector connected to the mobile phone. In claim 2 or 3,
Any one of the first to Nth connecting units is a USB hub, and the USB hub is provided on a front surface of the main body and a first USB terminal provided on a rear surface of the main body. A desktop power supply relay device having a second USB terminal connected to the first USB terminal. In claim 2 or 3,
Any one of the first to N-th connecting units is an acoustic device having a length obtained by connecting three other main bodies of the first to N-th connecting units. A desktop power supply relay device, wherein a display unit and an operation unit are arranged in front of a central area of each minute, and a speaker is arranged in each area of the main body on both sides thereof. In claim 2 or 3,
Any one of the first to N-th connecting units is a DC supply device, and has a DC connector on the front surface of the main body. In either of claims 2 or 7,
One of the AC input terminal and the AC output terminal is an AC plug, and a concave portion is provided on a side surface of the main body on which the AC plug is provided, and the AC plug is rotatably supported on the side surface. When the AC plug is not used, the desktop power supply relay device is housed in the recess so that the AC plug does not protrude from the side surface. In any of claims 2 to 8,
The at least one AC power cord is connected to the first connection unit, a power switch is provided on a side surface of the connection base end side of the first connection unit, and the AC power source is turned on by turning on the power switch. A desktop power relay device characterized in that power can be supplied from a cord. In any one of Claims 2 thru | or 9.
The desktop power supply device according to claim 1, wherein the main body of each of the first to Nth connecting units is formed in a cylindrical shape having the connecting direction as an axial direction. A connection unit used in a desktop power supply device comprising a plurality of connection units that can be electrically connected from a connection base end side in a connection direction toward a connection front end side,
The body,
A stand for supporting the main body on a table;
An AC output terminal provided on one side surface of the main body in the connecting direction;
An AC cord connected to the main body;
Have
The connecting unit, wherein power supplied from the AC power cord can be supplied to the outside through the AC output terminal. In claim 11,
The main unit is provided with a power switch for turning on / off the electrical connection between the AC power cord and the AC output terminal. A connection unit used in a desktop power supply device comprising a plurality of connection units that can be electrically connected from a connection base end side in a connection direction toward a connection front end side,
The body,
A stand for supporting the main body on a table;
An AC input terminal provided on one side surface of the main body in the connecting direction;
An AC output terminal provided on the other side surface of the main body in the connecting direction;
An AC tap provided at a position excluding the one side surface of the main body;
A connecting unit comprising: A connection unit used in a desktop power supply device comprising a plurality of connection units that can be electrically connected from a connection base end side in a connection direction toward a connection front end side,
The body,
A stand for supporting the main body on a table;
An AC input terminal provided on one side surface of the main body in the connecting direction;
An AC charger for a mobile phone that is provided in the main body and charges the mobile phone based on a current supplied from the AC input terminal;
Connect connected to the mobile phone AC charger;
A connecting unit comprising: In claim 13 or 14,
The AC input terminal is an AC plug, and a concave portion is provided on one side surface of the main body on which the AC plug is provided. The AC plug is rotatably supported on the side surface, and when the AC plug is not used. The connecting unit is housed in the recess, and the AC plug does not protrude from the side surface.