JPH09275675A - Ac adaptor for electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability of an equipment by giving the equipment a stable inclination when a main body of the equipment is installed, due to the cooperation between an AC adaptor and a cover which is rotatably installed on the AC adaptor in the case that the AC adaptor is installed on a bottom face of the main body of the equipment. SOLUTION: This AC adaptor has such a structure that a battery pack can be mounted and demounted in a power supply installing section 12 which is installed on a bottom face of a main body 1A of an equipment and part of it may project on the bottom face of the main body when another part is installed in the power supply installing section 12. The AC adaptor 2 has a main body 2A, a cover 3 which is rotatably installed on the main body of the adaptor, and a projection 2B which is integrally formed with the main body of the adaptor and which can be set in the power supply installing section. When the projection 2B is installed in the power supply installing section with the cover 3 being opened at 180 deg. from the main body of the adaptor, the height of an external face of the cover is the same as that of an external face of the AC adaptor and so the adaptor can be installed, the projecting state under the main body of the equipment.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in the structure for supporting an AC adapter in a small electronic device such as a laptop personal computer, a notebook personal computer, a small word processor, an electronic notebook, a handheld computer and a PDS.

[0002]

2. Description of the Related Art A portable personal computer as described above,
In electronic devices such as word processors, as an electric power supply means, in addition to the battery pack that is used by being attached to the device body when carrying, etc. AC for converting to DC and supplying power
An adapter is used. Japanese Unexamined Patent Publication No. 4-92381 discloses that in such a small electronic device, a battery pack can be mounted in a mounting hole formed in a side surface of the small electronic device and has the same shape as the battery pack. A technique is disclosed in which a built-in AC adapter is prepared and the built-in AC adapter can be mounted in the mounting hole of the battery pack instead of the battery pack. With this configuration, when using the AC adapter, A
Since the C adapter is not located outside the device, it is possible to save the setting space. However, in the technique described in Japanese Patent Application Laid-Open No. 4-92381, the built-in AC adapter has the same shape as the battery pack, but the high-density battery
Due to the higher capacity, the volume required by the battery pack is smaller than the volume required by the AC adapter, and as a result, the battery pack, which should originally be downsized, is forced to match the size of the AC adapter. If both are made to have the same shape by increasing the size, it is necessary to increase the size of the main body of the device in accordance with the AC adaptor, and there is a drawback that the demand for small size and light weight cannot be met. Also, simply use the AC adapter rather than the battery pack.
If the AC adapter is made larger and the protruding part of the AC adapter is installed on the bottom surface of the device body or the like, the AC adapter is smaller than the device body, so place the device on a desk or the like. When used, there was a problem that the installation state of the equipment became unstable. The object of claim 1 is AC
When the adapter is attached to the bottom surface of the device body, the AC adapter and the cover pivotally supported by the AC adapter cooperate to improve the operability by providing a stable inclination when the device body is installed. The purpose is to be able to.

Next, as disclosed in Japanese Patent Laid-Open No. 4-92381, the conventional built-in AC adapter is dedicated for built-in use, and an external AC adapter is used while the battery pack is mounted on the device body. In case of external AC
It was necessary to prepare an adapter. To use the built-in AC adapter as an external AC adapter,
It is conceivable to provide a jack for connecting a cable to the built-in AC adapter and connect the DC cable to the jack, but at this time, the contact for electrically connecting to the device body remains exposed. There was a safety issue. According to the invention of claim 2, when the built-in AC adapter is used as an external AC adapter, the contact for connecting to the device body is not exposed, so that it is possible to ensure safety and prevent the deterioration of aesthetic appearance. It is an object of the present invention to provide an electronic device that can improve the user-friendliness and the willingness to purchase.

Next, a built-in AC constructed as in claim 2
In the adapter, there is a safety problem because the jack for connecting the DC cable is exposed even when the main body of the device is mounted, and unnecessary DC cable can be connected when the main body of the device is mounted. According to a third aspect of the present invention, it is possible to provide an electronic device capable of ensuring safety by disabling the connection of the DC cable to the jack when the AC adapter is attached to the device body. Has an aim.

[0005]

In order to achieve the above object, the invention of claim 1 has a structure in which a battery pack can be attached / detached in a power source mounting portion provided on a bottom surface of an electronic apparatus main body.
An electronic device having a structure in which a part of the adapter is mounted in the power supply mounting part so that the other part of the AC adapter projects from the bottom surface of the device main body.
An adapter main body, a cover pivotally supported with respect to the adapter main body, and a protrusion that is integrated on the inner surface of the adapter main body and that can be fitted in the power supply mounting portion, When the protrusion is mounted in the power supply mounting part with the adapter body opened 180 degrees, the outer surface of the cover can be mounted with the outer surface of the AC adapter protruding downward to the main body of the device. It is characterized by The invention of claim 2 is characterized in that, when the cover is closed to the adapter body, the contact for connection with the device body provided on the protrusion is hidden by the cover. According to a third aspect of the present invention, the jack provided on the adapter body for connecting the DC cable is provided at a position concealed by the cover when the cover is opened.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to embodiments shown in the drawings. FIG. 1 is a rear perspective view showing a state in which a built-in AC adapter-2 is attached (built-in) to a main body 1A of a notebook computer device 1 according to an embodiment of the present invention, and FIG. 2 is a side view thereof. FIG. 3 is a bottom perspective view showing a state in which the cover 3 of the built-in AC adapter-2 is opened, and FIG. 4 is a state in which the built-in AC adapter-2 is attached (built-in) to the notebook personal computer device body 1. FIG. 5 shows the battery pack 1 in the power supply mounting portion 12 of the notebook computer 1.
The figure shows a state in which the same built-in AC adapter-2 is used as an external AC adapter-with 3 attached. The notebook computer 1 has a device body 1A including a keyboard 1C and the like, and a display unit 1B pivotally supported by a rear end edge of the device body. On the bottom side of the notebook personal computer device main body 1A, the battery pack 13 or the power supply mounting portion 1 as a recess for mounting the built-in AC adapter-2.
2, a battery pack 13 or a built-in AC
A latch 11 for fixing the adapter-2 when it is attached is movably attached to the rear end surface of the device body 1A by applying a returning force with a spring or the like. A jack 10 for supplying DC power from the outside is provided on the side surface of the notebook personal computer body 1A.

On the other hand, at the rear of the built-in AC adapter-2, A
The C code 5 is led out, and a contact 7 for connecting to a power supply unit (not shown) in the front in the power supply unit 12 of the notebook computer 1 is provided on the front surface. Further, the cover 3 is rotatably attached to the main body 2A of the built-in AC adapter 2 by the hinge 4, and the claw 6 for locking the closed state of the cover 3 and the locked portion 6a are respectively provided. The cover 3 and the main body 2A are provided respectively. On the inner surface of the main body 2A of the adapter, there is integrally provided a projection 2B that fits into the recess 3a on the back side of the cover 3 when the cover 3 is closed. Battery pack 1 shown in 5
Since it has substantially the same shape as 3, the projecting portion 2B alone can be fitted in the power supply mounting portion 12. 1 and 4 show a state in which the protrusion 2B is fitted in the power source mounting portion 12. At this time, the main body 2A is in a state of protruding to the bottom surface of the device body, and the cover 3 opened to the main body 2A is also supported in a state of protruding to the bottom surface of the device body. As a method of locking the cover 3 to the bottom of the device body,
The claw 6 may be fitted into the claw fitting portion 8 on the bottom surface of the device. The width of the cover 3 in the height direction is determined by the adapter body 2A (protrusion 2B).
(Excluding the part), the adapter body 2A and each bottom surface of the cover 3 in the mounted state (when the cover 3 is opened 180 degrees) as shown in FIG. The (outer surface) becomes flush, and as a result, when it is installed on a desk or the like as shown in FIG. 2, it becomes a stable installation state, and an appropriate forward leaning posture can be achieved to improve the operability of the keyboard and the like. . Thus, the built-in AC of the present invention
When the adapter-2 is attached to the notebook personal computer main body 1A, the cover-3 is opened as shown in FIG. 1, and the heights of the AC adapter-2 and the cover-3 are equal. When placed on a desk, the key
The board 1a can be tilted moderately, and the power supply mounting portion 12 can be used in a stable state in spite of the smaller projected area than the notebook personal computer main body 1A.

On the other hand, when the built-in AC adapter-2 is removed from the power source mounting portion 12 and the battery pack 13 is mounted instead, the cover-3 of the built-in AC adapter-2 is closed and the cover-3 is provided. AC adapter with built-in claw 6
By locking to the locked portion 6a provided in the device body, it can be used as a normal external AC adapter, as shown in FIG. At this time, the cover-3 is closed so as to cover the contact 7 on the side surface of the protrusion 2B,
Contact 7 when used as an external AC adapter
Is not exposed and there is no danger of shorts or electric shock, so it is safe. Also, when using it as an external AC adapter,
DC cable 9 connected to the notebook PC main unit 1A
AC adapter-2 with built-in jack 14 for connecting to
Since the cover 3 is provided at a position where it is hidden by the cover 3 when the cover 3 is opened (end surface on the hinge side of the main body 2A), the DC cable 9 is connected to the jack 14 when used as an external AC adapter. Can be connected, but built-in AC
When used as an adapter, it cannot be connected because it is hidden by the cover-3. This makes it possible to prevent incorrect usage of the user.

[Brief description of drawings]

FIG. 1 is a perspective view from the rear in a state where a built-in AC adapter is attached (built-in) to a notebook personal computer device body according to one embodiment of the present invention.

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a diagram showing a state in which a cover of a built-in AC adapter is opened.

FIG. 4 is a bottom perspective view showing a state where the built-in AC adapter is attached (built-in) to the notebook personal computer device main body.

FIG. 5 is a diagram showing a state in which the same built-in AC adapter is used as an external AC adapter with the battery pack attached to the power supply attachment section of the notebook computer.

[Explanation of reference numerals] 1 note personal computer, 1A device main body, 1B display section,
2 Built-in AC adapter, 3 covers, 5 cords, 6
Claw, 7 contact, 8 claw fitting part, 10 jack, 12 power supply mounting part, 13 battery pack,

Claims (3)

[Claims] 1. An electronic device main body is provided with a structure in which a battery pack is attachable / detachable in a power source mounting portion provided on a bottom surface, and by mounting a part of the AC adapter in the power source mounting portion, the other part of the AC adapter is removed. An electronic device having a structure projecting from a bottom surface of a device body, wherein the AC adapter is integrally formed on an inner surface of the adapter body, a cover pivotally supported with respect to the adapter body, and When the protrusion is mounted in the power source mounting portion with the cover opened 180 degrees from the adapter body, the outer surface of the cover is an AC adapter. An AC adapter for electronic equipment, which can be mounted at the same height as the outer surface while protruding downward from the body of the equipment. 2. The electronic device according to claim 1, wherein when the cover is closed to the adapter body, the contact for connection with the device body provided on the protrusion is hidden by the cover. AC adapter for use. 3. The jack provided on the adapter body for connecting a DC cable is provided at a position concealed by the cover when the cover is opened. 2. An AC adapter for electronic equipment as described in 2.