JP2010187519A - Power consumption suppressing device and ac adaptor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an AC adaptor capable of suppressing power consumption without preparing a special cord. <P>SOLUTION: The power consumption suppressing device has a structure in which a switch for interrupting DC current to be supplied to an electric appliance is provided on a part on the midway of a secondary output side connection line of an AC adaptor for converting the AC current supplied from a primary output side connection line into DC power and supplying the converted DC power to the electric appliance via the secondary output side connection line, an operation piece of the switch is provided on an exterior body of a ferrite core having a midway part of the secondary output side connection line wound therearound, the exterior body includes a cylindrical part for armoring the ferrite core and a bulge bulging from the outer circumference of the cylindrical part to the outside of a diameter direction, the midway part of the secondary output side connection line is retracted to the bulge and is halved via the switch internally provided on the bulge. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a power consumption suppression device and an AC adapter device.

As an AC adapter device capable of suppressing power consumption, a technique shown in Patent Document 1 below has been proposed.
In this technique, a hand switch for cutting off standby power to the AC adapter on the primary power supply side is provided on a remote control cord provided in parallel with the secondary output side connection line. According to this configuration, by operating the hand switch, the AC circuit itself of the AC adapter is disconnected, thereby suppressing standby power consumption of the AC adapter.

JP 2000-123930 A

  The above-described conventional hand switch is configured to cut off the AC adapter AC circuit to reduce standby power of the AC adapter, but this operation is performed by an operator such as a personal computer (hereinafter referred to as a personal computer). However, there is a configuration problem that a remote control cord different from the secondary output side connection line must be prepared and a hand switch must be connected thereto. In addition, when a personal computer is placed on a desk and an AC adapter is placed on the floor, in order for the operator to operate the hand switch at hand, it is necessary to prepare a considerably long remote control cord. is there.

  In view of the above problems, an object of the present invention is to provide an AC adapter device capable of suppressing power consumption without preparing a special cord.

The power consumption suppression device of the present invention is provided with a switch for interrupting the direct current supplied to the electric device in the middle of the connecting line for the direct current supply connected between the AC adapter and the electric device. It is characterized by being.
In the above configuration, by providing a switch for interrupting the direct current supplied to the electrical device in the middle of the connection line, power consumption is suppressed without requiring a special cord (connection line).

The power consumption suppression device of the present invention is characterized in that a switch operating piece is provided on an outer body of a ferrite core around which a middle portion of a connection line is wound.
In the above configuration, by providing the switch operating piece on the exterior body that covers the ferrite core, there is no need to provide a special installation portion for the operation piece by using the exterior body.

In the power consumption suppression device of the present invention, the exterior body is composed of a cylindrical portion that sheathes the ferrite core, and a bulging portion that bulges radially outward from the outer periphery of the cylindrical portion, and is an intermediate portion of the connection line. Is divided into two through a switch which is drawn into the bulging portion and is built in the bulging portion.
In the above configuration, by storing the switch in the bulging portion, an air layer can be provided between the switch and the ferrite core.

  In the power consumption suppression device of the present invention, end walls are provided on both sides in the longitudinal direction of the bulging part, end walls are provided on both sides in the longitudinal direction of the cylindrical part, and the longitudinal length along the axial direction of the cylindrical part is provided. The length in the longitudinal direction of the bulging portion is set to be shorter than the length of the bulging portion, and one end wall of the bulging portion is shifted from the one end wall of the cylindrical portion toward the other end wall. The operation piece is provided to be exposed from the one end wall of the bulging portion.

  As in the above configuration, one end wall of the bulging portion is arranged with a position shifted to the other end wall side with respect to one end wall of the cylindrical portion, and the operation piece is placed on one end of the bulging portion. By being exposed from the wall, it is easy to position the finger of the operator who operates the operation piece, and it is easy to operate the operation piece.

The power consumption suppression device of the present invention is characterized in that an inclined wall that is inclined so as to move away from one end wall toward the cylindrical portion side is provided on the other end wall side of the bulging portion.
In the above configuration, the operation piece can be stably operated by placing the finger on the slant wall and placing another finger on the operation piece and sandwiching the bulging portion with the finger.

The AC adapter device according to the present invention includes the power consumption suppression device having any one of the above-described configurations.
According to the AC adapter device, it is possible to suppress power consumption when the electric device is not used.

In the AC adapter device of the present invention, the AC adapter and the connecting line for supplying the direct current are integrally configured electrically and structurally, and the connecting line for electrically connecting the AC power source and the AC adapter is attached to and detached from the AC adapter. It is characterized by being provided freely.
According to the configuration in which the connection line for electrically connecting the AC power source and the AC adapter is detachable to the AC adapter as in the above configuration, the end portion is connected to the port provided in the AC adapter in a unique form. It becomes possible to select a line and connect it to the port of the AC adapter, thereby improving the correspondence for each user.

  According to the power consumption suppression device of the present invention, since the switch for interrupting the direct current supplied to the electrical equipment is provided in the middle of the connection line, the switch for suppressing power consumption is provided. Does not require any special code.

The perspective view which shows the use condition of the AC adapter apparatus which shows embodiment of this invention The perspective view from the back of the exterior body which similarly contains the operation piece of a power consumption control device Similarly, a perspective view from the front of the power consumption suppression device Similarly rear view of power consumption control device Same top view Similarly side view from one side (right side) Similarly bottom view Same front view Similarly, a central sectional view showing the longitudinal direction with a part of the internal structure omitted. Similarly, a cross-sectional view from the front showing the width direction with a part of the internal structure omitted. Similarly, a cross-sectional perspective view omitting a part of the exterior body (part of the rear side)

Hereinafter, an AC adapter device according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing a usage state of an AC adapter device showing an embodiment of the present invention, FIG. 2 is a perspective view from the rear of an exterior body including an operation piece of a power consumption suppression device provided in the AC adapter device, FIG. 3 is a perspective view from the front, and FIGS. 4 to 8 are views of six views of the exterior body including the operation pieces.
9 is a central sectional view showing the longitudinal direction, FIG. 10 is a sectional view from the front showing the width direction, and FIG. 11 is a sectional perspective view in which a part (rear side) of the exterior body is omitted.

  As shown in FIG. 1, the AC adapter device in this embodiment includes an AC adapter 2, a primary output side connection line (primary output side cord) 5, a secondary output side connection line (secondary output side cord) 6, and The power consumption suppression apparatus 1 provided on the secondary output side connection line 6 includes the operation unit 1A.

  A primary output side connection line 5 connected to an AC power source is detachably connected to one side of the AC adapter 2, and a DC current is supplied to the notebook type personal computer 4 on the other side of the AC adapter 2. The secondary output side connection line 6 is integrally connected electrically and structurally, and the AC adapter 2 and the secondary output side connection line 6 are made into an assembly 3.

The operation unit 1A of the power consumption suppression device 1 is provided in the middle of the secondary output side connection line 6 and on the side close to the personal computer 4, and the other end side of the secondary output side connection line 6 is connected to the personal computer 4. A plug 9 connected to the connection port is provided.
The AC adapter 2 has a function of converting electric power supplied from the primary output side connection line 5 into direct current and supplying it to the secondary output side connection line 6.

  As shown in FIG. 9, the ferrite core 7 is electrically connected in the middle of the secondary output side connection line 6. The connection in this case is to wind the secondary output side connection line 6 so as to pass through the inside of the cylindrical ferrite core 7.

The operation unit 1 </ b> A of the power consumption suppression device 1 includes a switch 8 for cutting off a direct current supplied to the personal computer 4, a cylindrical ferrite core 7, and an exterior body 10 surrounding the switch 8.
As shown in FIGS. 2 to 8, the exterior body 10 is composed of a cylindrical portion 11 that sheathes the ferrite core 7 and a bulging portion 12 that bulges radially outward from the outer periphery of the cylindrical portion 11. It is integrally formed of resin.
Both sides of the cylindrical portion 11 have openings 13 and 14, and the covering bushes 15 and 16 of the secondary output side connection line 6 are fitted into the openings 13 and 14 (see FIG. 9). A holding piece 17 is formed on the inner peripheral surface of the cylindrical portion 11 to hold the ferrite core 7 at the lower portion of the outer periphery.

The bulging portion 12 includes a top wall 18, left and right side walls 20, 21, an oblique wall (corresponding to a front wall, that is, one end wall) 23, and a rear wall (corresponding to the other end wall) 22 have. All of the top wall 18, the left and right side walls 20 and 21, the oblique wall 23, the rear wall 22, and the top wall 18 are formed as flat walls. In particular, the inclined wall 23 is formed over the entire lateral direction of the bulging portion 12 (for example, the lateral direction in FIG. 8). Further, the inclined wall 23 is inclined so as to be separated from the rear wall 22 toward the cylindrical portion 11 side (lower side), and the lower end portion thereof is continuous with the front wall (corresponding to one end wall) 24 of the cylindrical portion 11. is doing.
In addition, the rear part of the bulging part 12 is open, and in this case, a part constituting the rear wall 22 is replaced with a rear wall of a switch box 26 described later, which is separate from the exterior body 10. The rear wall of the switch box 26 has an area larger than that of the main body of the switch box 26 fixed to the top wall 18, and is in contact with the rear end surface of the bulging portion 12 from the rear.

The lateral width of the bulging portion 12 is set equal to the diameter of the cylindrical portion 11, and the length of the bulging portion 12 (the length in the left-right direction in FIGS. 6 and 9) is larger than the length of the cylindrical portion 11. And set short.
The rear wall 22 of the bulging portion 12 is arranged to be displaced forward relative to the rear wall (corresponding to the other end wall) 25 of the cylindrical portion 11.

The switch box 26 having a switch circuit inside is fixed to the back surface of the top wall 18. With this configuration, a gap (air layer) is provided between the ferrite core 7 and the switch box 26.
In addition, the exterior body 10 is comprised combining what was divided in two by the width direction center.

The switch box 26 is provided so that an operation piece 27 for turning on and off the switch circuit is exposed from the rear wall 22 of the bulging portion 12. The switch structure used here is called a rocker switch, and the operation piece 27 is a switching operation piece that is rotatable around a vertical axis (not shown), and can be clicked by pressing either the left or right side. The other side protrudes from the rear wall 22 with a feeling, and one side protrudes from the rear wall 22 by pressing the other side.
The secondary output side connection line 6 introduced into the exterior body 10 from the AC adapter 2 side (rear side) through the opening 14 is divided into two inside the exterior body 10 via the switch circuit.
That is, the secondary output side connection line 6 introduced into the exterior body 10 is once wound around the ferrite core 7 and connected to the input side terminal 31 of the switch circuit, and the front side from the output side terminal 30 of the switch circuit. It is the structure led out to the personal computer 4 side through the opening 13.

  As shown in FIG. 1, a connection port 32 of the primary output side connection line 5 connected to the AC power supply is provided on the rear side (AC power supply side) of the AC adapter 2.

In the above configuration, the plug 9 of the secondary output side connection line 6 is connected to the connection port of the personal computer 4, the primary output side connection line 5 is connected to the connection port 32 of the AC adapter 2, and the primary output side connection is connected to the AC power supply. Connect line 5. By doing so, the battery mounted on the personal computer 4 is charged if the operation piece 27 is in the ON position.
At this time, since the ferrite core 7 is connected in the middle of the secondary output side connection line 6, the noise accompanying the direct current is removed, and the life of the battery can be ensured.

By the way, in general, a battery has a longer life if it is fully charged when the capacity is reduced, rather than always fully satisfying its capacity. Therefore, in the embodiment of the present invention, a switch 8 (operation piece 27) that cuts off the supply of direct current to the battery (PC body) by providing an operation unit 1A in the middle of the secondary output side connection line 6 is provided. It is provided in the middle of the next output side connection line 6 and on the side close to the personal computer 4.
Therefore, the operator can turn on / off the switch 8 by operating the operation piece 27 at hand. In other words, the work of removing the plug 9 from the personal computer and the work of removing the primary output side connection line 5 from the AC power source are not required, and the battery life can be ensured.

Further, the power can be supplied to the personal computer 4 (the personal computer body) by operating the operation piece 27 at hand.
When the input operation on the personal computer 4 is completed or when it is no longer necessary to supply power to the personal computer 4 due to a long interruption, the personal computer 4 is generally shut down. Here, when the personal computer 4 remains connected to the AC power source, standby power is generated. However, in most cases, this standby power is unnecessary power. Therefore, for example, after the personal computer 4 is shut down, the operation piece 27 is operated by hand to turn off the switch 8. Thereby, standby power to the personal computer 4 can be cut off.

In short, when it is not necessary to supply power to the personal computer 4 including the battery, it is provided in the operation unit 1A without the need for pulling out the plug 9 or pulling out the primary output side connection line 5 from the AC power source. By operating the operated piece 27 at hand and turning off the switch 8, unnecessary power supply can be suppressed, and it can be used conveniently.
When the storage capacity of the battery is small, if the operator operates the operation piece 27 by hand and turns on the switch 8, a direct current is supplied from the AC adapter 2 to the personal computer 4 side to charge the battery. In addition, the personal computer 4 can be operated while charging.

When the operator operates the operation piece 27 at hand, for example, if the thumb is applied to the slant wall 23 and the operation piece 27 is turned on / off with the index finger or the middle finger, the operation unit 1A can be performed in a stable state on the desk. it can. Alternatively, for example, even when the index finger is placed on the slant wall 23 and the operation piece 27 is turned on / off with the thumb, the operator can operate the power consumption control device 1 with the operation unit 1 </ b> A at the desk in a stable state on the desk. Can do.
And since the rear wall 22 of the bulging part 12 is displaced forward relative to the rear wall 25 of the cylindrical part 11, the cylindrical part 11 is used when operating the operation piece 27 with fingers. The covering bush 16 does not get in the way and the operation piece 27 is easy to operate.

As described above, according to the power consumption suppression device 1 of the present invention, since the operation unit 1A is provided in the middle of the secondary output side connection line 6, it is not necessary to provide a special power cord for the switch 8.
Further, the operation unit 1A processes the member that covers the ferrite core 7 to form the exterior body 10, and the switch 8 (switch box 26) and the operation piece 27 are attached to the exterior body 10, and thus the switch 8 is provided. Therefore, it is not necessary to provide another member.
In addition, the operator does not need a troublesome operation of pulling out the plug 9 and the like, and the operation piece 27 is turned on and off at hand, thereby reducing standby power of the personal computer 4 and contributing to energy saving. In addition, the battery life can be ensured.
In addition, since the primary output side connection line 5 for electrically connecting the AC power source and the AC adapter 2 is detachable from the AC adapter 2, the end of the connection port 32 of the AC adapter 2 is uniquely formed. It is possible to select the primary output side connection line 5 and connect it to the connection port 32 of the AC adapter 2 and to improve the correspondence for each user.

  DESCRIPTION OF SYMBOLS 1 ... Power consumption suppression apparatus, 1A ... Operation part, 2 ... AC adapter, 3 ... Assembly, 4 ... Personal computer, 5 ... Primary output side connection line, 6 ... Secondary output side connection line, 7 ... Ferrite core, 8 ... Switch, 10 ... exterior body, 11 ... cylindrical part, 12 ... bulge part, 13, 14 ... opening, 15, 16 ... covering bush, 18 ... top wall, 20, 21 ... side wall, 22 ... rear wall, 23 ... Oblique wall, 24 ... front wall, 25 ... rear wall, 26 ... switch box, 27 ... operation piece, 30 ... input side terminal, 31 ... output side terminal, 32 ... connection port

Claims (7)

  Suppressing power consumption, characterized in that a switch for interrupting the direct current supplied to the electrical equipment is provided in the middle of the connecting line for direct current supply connected between the AC adapter and the electrical equipment apparatus.   2. The power consumption suppression device according to claim 1, wherein an operation piece of a switch is provided on an outer body of the ferrite core around which a middle portion of the connection line is wound.   The exterior body is composed of a cylindrical portion that sheathes the ferrite core and a bulging portion that bulges radially outward from the outer periphery of the cylindrical portion, and a middle portion of the connection line is drawn into the bulging portion. The power consumption suppression device according to claim 2, wherein the power consumption suppression device is divided into two through a switch built in the bulging portion.   End walls are provided on both sides in the longitudinal direction of the bulging portion, and end walls are provided on both sides in the longitudinal direction of the cylindrical portion, respectively, and the length of the bulging portion is longer than the longitudinal length along the axial direction of the cylindrical portion. The directional length is set short, and one end wall of the bulging portion is arranged with a position shifted to the other end wall side with respect to the one end wall of the cylindrical portion, and the operation piece is disposed on the bulging portion. The power consumption suppression device according to claim 3, wherein the power consumption suppression device is provided so as to be exposed from one end wall.   5. The power consumption suppression device according to claim 4, wherein an inclined wall is provided on the other end wall side of the bulging portion so as to be inclined away from the one end wall toward the cylindrical portion side.   An AC adapter device comprising the power consumption suppression device according to any one of claims 1 to 5.   The AC adapter and the DC current supply connection line are electrically and structurally integrated, and the connection line for electrically connecting the AC power source and the AC adapter is detachably provided on the AC adapter. The AC adapter device according to claim 6.

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