JP2003157907A - Charging box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a charging box which can easily charge objects to be charged like a variety of secondary cells at one time in large numbers. SOLUTION: The charging box is composed of a box-shaped housing 2 of which, one side is open, and a door 4 supported so as to open and close an open side of the housing 2. At least one shelf 5 putting the object to be charged is arranged inside the housing 2, and a charging device 7 put on the bottom surface of the housing 2 and/or the shelf 5 and charging the object to be charged W is arranged to the housing 2 and/or the shelf 5. The charging device 7 has a power supply side coil 21 at its inside, and the object to be charged W having a power receiving side coil 41 and a storage battery 70 at its inside can be charged in a non-contact manner by the electromagnetic induction of the charging device 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging container that can easily charge a plurality of rechargeable objects such as secondary batteries.

[0002]

2. Description of the Related Art Recently, with the development of portable information devices such as mobile phones, various small electronic devices equipped with rechargeable secondary batteries as power sources have been commercialized and used. These electronic devices are of a system in which a secondary battery in the electronic device is charged from a household power source by an AC adapter, that is, a charger, using a charging circuit incorporated in the electronic device.

However, since the types of these secondary batteries are diverse, an AC adapter dedicated to each device is required as an AC adapter, and there are many AC adapters in a general household. In other words, if it turns out to be overflowing, there will be a lot of waste.

The present invention eliminates many such chargers,
It is an object of the present invention to provide a charging container that can be charged easily by accommodating a plurality of objects to be charged such as various secondary batteries in a housing.

[0004]

The battery charger according to the present invention comprises:
A housing having a housing whose one surface is open, and a door which is openably and closably supported so as to open and close the open portion of the housing, and at least one shelf for mounting an object to be charged is provided inside the housing. A charger for charging an object to be charged placed on the shelf and / or the inner bottom surface of the housing is provided in the housing, and the power receiving side coil and the storage battery are provided by the charger having a power feeding side coil built therein. The object to be charged having a built-in battery is charged with electricity in a non-contact manner by electromagnetic induction. According to such a charging container, it is possible to easily charge a plurality of objects to be charged such as a variety of secondary batteries by housing them inside the housing. Therefore, it is possible to eliminate a dedicated charger for the secondary battery of various electronic devices, and it is possible to significantly reduce many dedicated chargers. Also, from the viewpoint of effective utilization of resources, which has recently become a problem, the utility of the battery charger of the present invention is great.

Further, in the charging container according to the present invention, the inner bottom surface of the shelf and / or the housing is arranged on the at least one shelf and / or the inner bottom surface of the housing in a depth direction of the housing and / or the depth. It is also possible to provide at least one standing fence that partitions in a direction intersecting with the direction and place the object to be charged in a space partitioned by the fence. In such a charging compartment, it is possible to secure a space in which the object to be charged can be placed inside the charging compartment, and it is possible to process more objects to be charged.

In the charging container of the present invention, the charger may be provided in the fence. In such a charging cabinet,
Since the charger can be installed at a position close to the object to be charged from the side, it is useful when high-speed charging is desired. For this reason, the charger may be provided on all the fences, or may be provided on any fence and the space surrounded by the fences may be the area for high-speed charging.

Further, in the battery charger according to the present invention, it is preferable that the housing includes a shield body that shields electromagnetic waves generated during the electromagnetic induction from the outside. With such a shield, it is possible to exclude adverse effects of electromagnetic waves generated in the charging compartment on other electronic devices around the charging compartment.

Further, in the charging container according to the present invention, at least one of the shelves may be provided with a shield body which shields an electromagnetic wave generated from below the shelf during the electromagnetic induction. With this shield body, it is possible to block electromagnetic waves coming from below the shelf.

Furthermore, in the charging container according to the present invention, an electromagnetic wave is generated in the at least one fence during the electromagnetic induction from the depth direction of the housing with respect to the fence and / or a direction intersecting the depth direction. You may provide the shield body which interrupts | blocks. With such a shield body, it is possible to block electromagnetic waves coming from a space adjacent to the space surrounded by the fence.

The object to be charged used in the battery charger according to the present invention is a secondary battery detachably attached to an electronic device, and a secondary battery detached from the portable electronic device and the secondary battery. It may be composed of an adapter equipped with a power receiving side coil attached to a battery. This adapter is
It is desirable to be able to support a wide variety of secondary batteries. Further, the object to be charged may be a secondary battery detachably attached to the electronic device, and may be a secondary battery including a power receiving side coil. If you use such an object to be charged,
The charging container itself according to the present invention can be miniaturized.

The object to be charged may be a portable electronic device itself other than the combination of the secondary battery and the adapter. In this case, in order to eliminate the bad influence of electromagnetic waves on the portable electronic device, only the outer part of the electronic device where the power receiving side coil is arranged is exposed, and the other outer part of the electronic device is covered by the shield body. Is desirable.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 showing the first embodiment of the present invention, reference numeral 1 denotes a charging container. Charger 1
As shown in FIG. 1, it includes a housing 2 having a housing whose front side is open, and a door 4 which is supported by a hinge 3 so as to open and close the open portion of the housing 2.

As shown in FIG. 2 and FIG. 3, three stages of shelves 5 for mounting various objects W to be charged are provided inside the housing 2. Each of the shelves 5 is provided with a plurality of standing fences 6 that partition the shelves 5 in the horizontal direction, and various objects W to be charged are placed in the space partitioned by the fences 6. On each shelf 5, the inner side wall 2a of the housing 2, the inner back wall 2b, and each fence 6, the shelf 5 is provided.
A charger 7 is provided which faces the object W to be charged placed from above from four directions and charges the object to be charged. It should be noted that the charger 7 shown by a chain double-dashed line in FIG. 3 is provided on the inner wall 2 a and the inner back wall 2 b of the housing 2.
The shelf 5 and the fence 6 eliminate the adverse effects from the electromagnetic waves generated from the charger 7 located below the shelf 5 and the electromagnetic waves generated from the charger 7 placed in the space formed by the fence 6. Plate-shaped shield bodies 8 and 9 are provided. The shield body 9 is embedded in each fence 6.

Further, the housing 2 and the door 4 are also shown in FIG.
And as shown in FIG. 2, the inside formed by the housing 2 and the door 4 so that the electromagnetic waves generated from the inside of the housing 2, the shelf 5, and the charger 7 provided on the fence 6 do not adversely affect the outside of the charging compartment 1. Plate-shaped shield bodies 10 and 11 that surround the space are embedded in the housing 2 and the door 4, respectively.

The object W to be charged is a secondary battery detachably attached to an electronic device such as a portable electronic device. The secondary battery is detached from the electronic device and the power receiving device attached to the secondary battery. It may consist of an adapter with a side coil. This adapter is compatible with a wide variety of secondary batteries. Further, the charge target W may be a portable electronic device itself. In this case, in order to eliminate the bad influence of electromagnetic waves on the portable electronic device, only the outer part of the electronic device where the power receiving side coil is arranged is exposed, and the other outer part of the electronic device is covered by the shield body. .

The charger 7 supplies electric power on the power feeding side from the resonance coil on the power feeding side to the resonance coil on the power receiving side in a non-contact manner by electromagnetic induction even if the storage battery in the object W to be charged fluctuates. . For example, as shown in FIG. 4, the charger 7 includes an oscillation circuit 20 on the power feeding side, which includes a resonance coil 21 on the power feeding side and a resonance capacitor 22 connected in parallel with the resonance coil 21. On the other hand, when the object W to be charged is a portable electronic device, itself, or when the object W to be charged is a combination of a secondary battery and an adapter, the adapter itself is the resonance coil 41 on the charging side. And a resonance circuit 40 on the power receiving side, which includes a resonance capacitor 42 connected in parallel therewith, a rectifying / smoothing circuit 50, and a charge control circuit 60. The charger 7 detects the induced electromotive force generated under the influence of the magnetic fluxes of both the power feeding side coil 21 and the power receiving side coil 41 and the frequency of the induced electromotive force detected by the detection coil 23. A control circuit 24 is provided which changes the electric power supplied to the power feeding side coil 21 to tune the oscillation frequency of the power feeding side to the resonance frequency of the power receiving side.

The control circuit 24 is provided with a first transistor 25 and a second transistor 26 which give mutually opposite currents to the power feeding side coil 21. The first transistor 25 and the second transistor 26 are switched so as to alternately apply a current to the power feeding side coil 21 in accordance with a change in the polarity of the induced electromotive force detected by the detection coil 23. The power supply on the power supply side is a DC power supply 27, and the current from this DC power supply 27 is the first transistor 25.
By the switching operation of the second transistor 26, it is alternately applied to the power feeding side coil 21 in the opposite direction. Furthermore, the current amplification factors of the first transistor 25 and the second transistor 26 are different, and the first transistor 25 and the second transistor 26 are different from each other.
When a DC voltage is applied to the transistor 26, a current is applied from the transistor having a high current amplification factor to the power feeding side coil 21 to start oscillation. The DC power supply 27
The power source may be a general-purpose AC power source for home or business use, which is converted to DC.

In FIG. 4, 28 is a power source 27 and a power feeding side coil 2.
1 is a coil between the neutral point and 29 is a power feeding side coil 2
Capacitors 30 and 31 connected in parallel to the upper and lower ends of 1 are resistors forming the control circuit 24.
The resistor 30 is between the base of the transistor 25 and the positive electrode of the power supply 27, and the resistor 31 is between the base of the transistor 26 and the positive electrode of the power supply 27. In FIG. 4, 70 is 2
It is the next battery.

Next, a method of charging an object to be charged according to the first embodiment of the present invention will be described. First, when the portable electronic device includes the resonance circuit 40 on the power receiving side, the rectifying / smoothing circuit 50, and the current control circuit 60 as shown in FIG. 4, the portable electronic device itself is used as the object W to be charged. Door 4 of warehouse 1
Open, on any shelf 5 in the housing 2, and fence 6
Place in a space partitioned by. As a result, the resonance frequency matched to the object W to be charged is generated from the resonance coil 21 on the power feeding side shown in FIG. The resonance coil 41 on the power receiving side of the object to be charged W is tuned to a resonance frequency from an appropriate direction among these resonance frequencies, and in cooperation with the resonance capacitor 42, the power is received to convert electromagnetic energy into direct current electrical energy. The electric energy is rectified and smoothed by the rectifying / smoothing circuit 50, and is set to a voltage suitable for charging by the charging control circuit 60, and is sent to the secondary battery 70 to charge the secondary battery 70. become.

From electronic equipment such as portable electronic equipment, 2
To remove the secondary battery and charge the secondary battery,
The adapter including the resonance circuit 40 on the power receiving side, the rectifying / smoothing circuit 50, and the current control circuit 60 as shown in FIG.
The battery is attached to a secondary battery, the secondary battery with an adapter is used as the object to be charged W, the door 4 of the charging compartment 1 is opened, and the battery is placed on an arbitrary shelf 5 in the housing 2 and in a space partitioned by a fence 6. After that, the secondary battery is charged according to the charging method described above.

Next, a second embodiment of the charging container according to the present invention will be described with reference to FIG. The charging container according to the second embodiment is obtained by changing the shape of the fence in the first embodiment shown in FIGS. 1 to 4, and is the same member as the member shown in FIGS. 1 to 4. Are denoted by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 5, fences 76 are formed on each of the shelves 5 so as to stand upright in the vertical direction, that is, in the depth direction of the housing 2 and in the horizontal direction, that is, in the direction orthogonal to the depth direction of the housing 2. An object to be charged is placed in each space formed by the vertical fence 76a and the horizontal fence 76b, or in each space formed by these fence and the inner wall 2a of the housing, and these charged objects are placed around it. It is designed to be charged by the charger 7 which is arranged in the appropriate direction. Therefore, in the second embodiment, the charger 7 is, as shown in FIG. 5, along each vertical fence 76a,
It is arranged on the inner wall of the shelf 5, the fence 76 a, and the housing 2, and also on the surface of the lateral fence 76 b facing the door side and the inner back wall of the housing 2. It should be noted that the charger 7 shown by the chain double-dashed line in FIG. 5 is the same as the inner wall 2a and the inner back wall 2b of the housing 2 in FIG. The shield body 9 shown in FIG. 3 is embedded in each of the fences 76a and 76b. In the charging container according to the second embodiment, the object to be charged can be charged by the same charging method as in the first embodiment, and the internal space in the charging container can be effectively used. Many objects to be charged can be charged.

Further, a third embodiment of the charging container according to the present invention will be described with reference to FIG. The charging container according to the third embodiment has a charger 7 provided on the inner bottom surface 2c of the housing 2 according to the first embodiment shown in FIGS. The same members as those shown are designated by the same reference numerals, and the description thereof will be omitted below. In this embodiment, two fences 6 as shown in FIGS. 2 and 3 are provided upright on the inner bottom surface 2c of the housing 2, and the inner bottom surface 2c is used instead of the shelf 5. . In addition, the inner wall 2a and the inner back wall 2b connected to the inner bottom surface 2c.
Also, the charger 7 is provided in the same manner as in the first embodiment described above. With this structure, the internal space of the housing 2 can be used more effectively. Also, a large charger 7 may be provided on the inner bottom surface itself without providing the fence 6 so that a large electronic device can be charged.

[0024]

The charging container according to the present invention includes a housing,
A door, and at least one shelf for loading an object to be charged is provided inside the housing. The object to be charged placed on the shelf and / or the housing is located on the shelf and / or the inner bottom surface of the housing. A charger for charging the battery is provided, and electricity is charged in a contactless manner by electromagnetic induction to the object to be charged having the power receiving side coil and the storage battery built therein by the charger having the power feeding side coil built therein. According to such a charging compartment, it is possible to easily charge a plurality of objects to be charged such as a variety of secondary batteries in the housing, so that a dedicated charger for the secondary batteries of various electronic devices can be eliminated. And many dedicated chargers can be significantly reduced. Therefore, from the viewpoint of effective utilization of resources, which has been a problem recently, the utility of the battery charger of the present invention is great.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a charging container according to the present invention.

FIG. 2 is a front view showing a state in which a door of the charging container according to the present invention shown in FIG. 1 is opened.

FIG. 3 is an enlarged perspective view showing the shelves and fences shown in FIG.

FIG. 4 is a circuit diagram showing the charger and the object to be charged shown in FIG.

FIG. 5 is a perspective view showing a shelf and a fence forming a second embodiment of the present invention.

FIG. 6 is a perspective sectional view showing a lower portion of a housing forming a third embodiment of the present invention.

[Explanation of symbols]

1 charging store 2 housing 4 doors 5 shelves 6 fences 7 charger 8 Shields in the shelf 9 Shield body in the fence 10 Shield in housing 11 Shield body in the door 21 Power supply side coil 41 Power receiving coil 70 secondary battery 76 fences

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Claims (9)

[Claims] 1. A housing having a housing whose one surface is open and a door which is openably and closably supported so as to open and close an open portion of the housing, wherein at least one shelf for loading an object to be charged is provided inside the housing. A charger for charging an object to be charged placed on the shelf and / or the inner bottom surface of the housing is provided on the shelf and / or the housing, and the charger including a power supply side coil is provided. A recharger characterized by non-contact charging electricity to the object to be charged having a power receiving side coil and a storage battery built therein by electromagnetic induction. 2. The at least one shelf and / or the inner bottom surface of the housing, and the inner bottom surface of the shelf and / or the housing in a depth direction of the housing and / or a direction intersecting the depth direction. The charging cabinet according to claim 1, wherein at least one standing fence is provided, and the object to be charged is placed in a space partitioned by the fence. 3. The charging compartment according to claim 2, wherein the charger is also provided in the at least one fence. 4. The housing, when the electromagnetic induction,
The charging compartment according to claim 1, further comprising a shield body that shields generated electromagnetic waves from the outside. 5. The charging container according to claim 1, wherein at least one of the shelves is provided with a shield body that shields electromagnetic waves generated during the electromagnetic induction from below the shelves. 6. The at least one fence is provided with a shield body that blocks electromagnetic waves generated during the electromagnetic induction from a depth direction of the housing and / or a direction intersecting the depth direction with respect to the fence. The charging cabinet according to claim 2, characterized in that: 7. The rechargeable object is a secondary battery detachably attached to an electronic device, the secondary battery detached from the electronic device, and the power receiving side coil attached to the secondary battery. The charging compartment according to claim 1, comprising an internal adapter. 8. The charging container according to claim 1, wherein the object to be charged is a secondary battery detachably attached to an electronic device, the secondary battery including the power receiving side coil. . 9. The charging cabinet according to claim 1, wherein the object to be charged is a portable electronic device.