JPH08287961A - Charger - Google Patents

Abstract

PURPOSE: To mount and remove plural pieces of batteries different in form easily for charging, and besides, to perform charging. CONSTITUTION: A charger has a charging circuit within and is also equipped with a mount to install a battery pack, and the mount has a recess 2 for insertion in which to insert battery pack A-F, and a wall 6 protruding from upward from one side of the opening of the recess 2 for insertion. And this protrudent wall 6 is made in the form of a projection where the center is highest.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charger having a built-in charging circuit and a mounting portion for mounting a battery pack, and to a battery charger for mounting a plurality of battery packs having different shapes. It is suitable.

[0002]

2. Description of the Related Art In recent years, as a power source for various portable electric devices such as a video camera and a telephone, a battery pack which can be repeatedly used by being charged is widely used. Such a battery pack is mounted on an electric device and used as a power source for the device. When the battery is discharged, the battery pack is detached from the electric device and then mounted on a charger for charging.

The shape of such a battery pack is determined by the form of the electric device to which it is mounted, and as a result, a large number of battery packs having different shapes such as thickness and height are prepared. Or even in one type of electrical equipment,
A plurality of different types of battery packs having different capacities may be prepared.

In this way, a plurality of battery packs having different shapes can be charged by one charger,
Japanese Utility Model Publication No. 6-10628 discloses an attachment for a charger that allows a battery pack that cannot be directly attached to the charger to be attached to the charger.

[0005]

As described above, by using the attachment for the charger, the battery pack which cannot be directly attached to the battery charger can be attached to the battery charger to charge the battery. In this case, the shape of the battery pack can be accommodated. It is necessary to prepare multiple attachments for the charger, and it is hard to say that it is easy to use.

Therefore, the present invention is to enable a plurality of battery packs having different shapes to be easily attached and detached and to be charged by a single charger.

[0007]

SUMMARY OF THE INVENTION The present invention is a charger including a charging circuit and a mounting portion for mounting a battery pack, wherein the mounting portion is an insertion recess for inserting the battery pack. And a projecting wall projecting upward from one side of the opening of the insertion recess, and the projecting wall is characterized in that the central part thereof is formed in the highest convex shape.

Furthermore, the present invention includes a detachable spacer that allows a battery pack of a different shape to be inserted into the insertion recess, and the spacer is located on the side where the projecting wall is formed with the battery pack interposed therebetween. It is characterized in that it is mounted in the insertion recess so as to face the inner wall surface of the insertion recess.

[0009]

The charger of the present invention can be charged by mounting a plurality of battery packs having different shapes, particularly battery packs having different heights. When a tall battery pack is installed in the storage recess, the protruding wall sufficiently supports the battery pack and prevents the battery pack from wobbling. On the other hand, even if a short battery pack is installed, both ends of the protrusion are low,
It becomes easy to take out the battery pack.

Further, according to the present invention, a detachable spacer that allows a battery pack having a different shape to be inserted into the insertion recess is provided, and the spacer is located on the side where the protruding wall is formed with the battery pack interposed therebetween. It is mounted in the insertion recess so as to face the inner wall surface of the insertion recess. As a result, battery packs of various shapes can be charged.

[0011]

1 to 5 show an embodiment of the present invention, in which a charger main body 1 has seven insertion recesses 2 on its upper surface, and a charging circuit (shown in the drawing) is provided inside the main body 1. Not built). The charging circuit converts 100V AC input via the power cord 3 into an appropriate charging voltage and charging current and outputs the charging voltage and charging current. In addition, the charging circuit is a DC on the side of the main unit 1.
A predetermined direct current is output via the output connector 4.

The seven insertion recesses 2 have substantially the same structure. Six insertion recesses 2 excluding the insertion recess 2 at the left end of FIG.
Is a recess for normally charging the six types of battery packs A to F, and the insertion recess 2 at the left end is a recess for rapidly charging any of the battery packs A to F. The battery pack mounted in the insertion recess 2 for quick charging is charged by pressing the refresh switch 5 to discharge and refresh the battery pack, and then to be rapidly charged. Furthermore, the insertion recess 2 at the left end is formed larger than the other recesses.

Each of the insertion recesses 2 has a projecting wall 6 projecting upward from one side of its opening. This protruding wall 6
Is formed in a convex mountain shape with the highest central portion. A pair of charging contacts 7 is provided on the surface of the protruding wall 6 on the insertion recess 2 side. Further, a charging display portion 8 made of an LED is arranged on the upper surface of the main body 1 corresponding to each insertion recess 2 to display the charging of the inserted battery pack.

The protruding wall 6 firmly supports the tall battery pack (for example, battery pack C) inserted in the insertion recess 2 and prevents the battery pack from wobbling. Further, since the battery pack has a chevron shape, it is easy to take out the battery pack when inserting the battery pack (short battery pack E).

Each insertion recess 2 is provided with a detachable spacer 9 so that six types of battery packs A to F having different shapes can be securely attached to the insertion recess 2. The spacer 9 is
The battery packs A to F are mounted in the insertion recess 2 so as to face the inner wall surface of the insertion recess 2 on the side where the protruding wall 6 is formed. Elastic pieces 10 are provided so as to hang above both ends of the spacer 9. The elastic pieces 10 engage with the main body 1 and are arranged and fixed at predetermined positions.

The spacer 9 has a storage recess 2 on its front and back surfaces.
And a spacer surface having a shape corresponding to each of the battery packs A to F mounted in the storage recess 2 in combination with the inner wall surface. For example, when the surface side of the spacer 9 faces the inner wall surface, three types of large-capacity battery packs A having a large thickness are provided.
~ C can be mounted, and if the back side of the spacer 9 faces the inner wall surface, three types of small-capacity small-capacity battery packs DF can be mounted.

A projection 11 is formed on the bottom surface of the spacer 9 at a position offset to the back surface side. On the other hand, inside the main body 1 below the bottom surface of the insertion recess 2, when the back surface side of the spacer 9 is inserted so as to face the inner wall surface,
A switch 12 is arranged so as to face the protrusion 11. This switch 12 is connected to the charging circuit,
When the protrusions 11 face each other, the on state is brought about, and otherwise the off state is brought about. As a result, it is possible to detect the direction in which the spacer 9 is inserted, in other words, whether the battery pack mounted in the insertion recess 2 has a large capacity or a small capacity, and can perform appropriate charging. It has become.

Further, on the upper surface of the spacer 9, an arrow mark 13 indicating the mounting direction is provided at a position offset to the surface side. And this mark 13 is the spacer 9
Depending on the mounting direction, the letter L indicates a large capacity or S indicates a small capacity. As a result, the mounting direction of the spacer 9 can be easily visually identified.

By the way, as described above, the insertion recess 2 at the left end is formed larger than the other recesses, and the storage portion 2A of the spacer 9 is provided on the side opposite to the side where the protruding wall 6 is formed. Have. Therefore, since a larger insertion recess is formed in the insertion recess 2 by moving the spacer 9 to the storage location 2A, a pack thicker than the six types of battery packs A to F shown in this embodiment. Batteries can also be inserted.

[0020]

The present invention has a built-in charging circuit and
A charger having a mounting portion for mounting a battery pack,
The mounting portion is an insertion recess for inserting the battery pack,
It has a projecting wall projecting upward from one side of the opening of the insertion recess, and the projecting wall is formed in a convex shape with the highest central part, so that a tall battery pack and a short battery pack are provided. In any of these cases, the attachment / detachment is easy and stable charging can be performed.

Further, the present invention comprises a detachable spacer which allows a battery pack having a different shape to be inserted into the insertion recess, and the spacer is located on the side where the projecting wall is formed with the battery pack interposed therebetween. Since it is mounted in the insertion recess so as to face the inner wall surface of the insertion recess, a plurality of battery packs having different shapes can be easily charged.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a top view showing an embodiment of the present invention.

FIG. 3 is a side view showing an embodiment of the present invention.

FIG. 4 is a front sectional view showing an embodiment of the present invention.

FIG. 5 is a top view of an essential part showing an embodiment of the present invention.

[Explanation of symbols]

 1 charger main body 2 insertion recess 6 protruding wall 9 spacer 13 mark

Claims (4)

[Claims] 1. A charger including a charging circuit and a mounting portion for mounting a battery pack, wherein the mounting portion has an insertion recess into which the battery pack is inserted and an opening portion of the insertion recess. A charger having a projecting wall projecting upward from one side, and the projecting wall is formed in a convex shape having the highest central portion. 2. A detachable spacer that allows a battery pack having a different shape to be inserted into the insertion recess, the spacer being located in the insertion recess on the side where the projecting wall is formed with the battery pack interposed therebetween. The charger according to claim 1, wherein the charger is mounted in the insertion recess so as to face the inner wall surface. 3. The spacer has, on the front and back surfaces thereof, a spacer surface having an inner surface shape corresponding to a battery pack mounted in the storage recess, together with an inner wall surface of the storage recess. The charger according to claim 2. 4. The charger according to claim 3, wherein the spacer has a mark indicating a mounting direction of the spacer.