JPH0416607Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a charge adapter used, for example, to charge the battery of a portable magnetic recording device.

BACKGROUND ART AND PROBLEMS Conventionally, a charge adapter shown in FIG. 1 has been used to charge the battery of a portable magnetic recording device.

In FIG. 1, reference numeral 1 generally indicates a charge adapter used for charging the battery of a portable magnetic recording device. A power supply device insertion section 1b is provided for inserting a power supply device 3 for supplying power. The battery insertion portion 1a is provided with connection contacts 4 and 5 for a predetermined battery 2 to be inserted, so that a predetermined voltage can be obtained between these contacts.

In the conventional charge adapter configured as described above, when it is desired to charge the battery 2, the battery 2 is inserted into the battery insertion portion 1a, and the terminals of the battery 2 are brought into contact with the connection contacts 3 and 4 to establish an electrical connection. The battery 2 is charged by inserting the power supply device 3, one end of which is connected to a power source, into the power supply insertion portion 1b and supplying a predetermined voltage to the connection contacts 4 and 5.

However, in such a conventional charge adapter 1, even when the battery 2 is not being used for charging, the battery insertion part 1a and the power supply insertion part 1b remain open, and for example, the connection terminals 4 and 5 remain exposed. The problem was that it did not have any protection and was not suitable for mobile use. In addition, it was inconvenient that only one battery could be charged and multiple batteries could not be charged at the same time.

Purpose of the invention In view of the above, an object of the present invention is to provide a charge adapter that is convenient to carry and can charge multiple batteries at the same time.

Summary of the invention The present invention has first and second opening/closing lids, and when the first opening/closing lid or the first opening/closing lid and the second opening/closing lid are opened, a predetermined power supply device and a In a charge adapter that forms a space for inserting a predetermined number of batteries so that the batteries can be charged, the battery is charged when the first opening/closing lid is opened and when the second opening/closing lid is opened. It is designed to change the charging speed, making it convenient to carry and allowing multiple batteries to be charged at the same time.

Embodiment In FIG. 2, reference numeral 6 indicates a charge adapter as a whole, and the charge adapter 6 has a first main body that opens and stands still in the state shown in FIG. 4 or 5 when performing a predetermined charging. Opening/closing lid body 7 and second
An opening/closing lid body 8 is provided. In the state shown in FIG. 2, the first opening/closing lid body 7 and the second opening/closing lid body 8 are in a closed state, which protects the built-in circuit and internal devices which will be described later, and also makes it convenient to carry the charge adapter 6. is being done.

In FIG. 4 with only the first opening/closing lid 7 open, the power supply device 9 that supplies charging power and the battery 10 are inserted inside the opening/closing lid 7 and on the opening/closing lid 7 side of the charge adapter 6 main body. so as to form an insertion space. Reference numerals 11 and 12 indicate terminal portions connected to the power terminals of the power supply device 9 and the power supply terminal 10 is connected to the movable contact 13a of the charging mode changeover switch 13 as shown in FIG. The fixed contact 13b is connected to a charging completion detection circuit 17c that detects that charging is completed during rapid charging, and one end of the charging completion detection circuit 17c is connected to the terminal 12. Also, 1
Reference numeral 4 indicates a control terminal that receives a signal to control the power supply device when charging is completed. 15
and 16 indicate terminal portions that are electrically connected to the terminals of the battery 10 when the battery 10 is inserted into the insertion space at a predetermined position, and the terminal portion 1
5 is connected to the movable contact 17a of the quick charging mode changeover switch 17, and the fixed contact 17b of the changeover switch 17 is connected to the terminal portion 11. In addition, the terminal part 1
Connect 6 to the terminal section 12 and turn on the selector switch 17.
At times, the battery 10 is charged via the terminal portions 15 and 16 with a predetermined rapid charging voltage, and charging is completed in one hour, for example. In this way, a first charging state is established in which 101 batteries are rapidly charged in the state shown in FIG. 4 with the first opening/closing lid 7 open.

18 indicates a lock mechanism, and this lock mechanism 18
This is to give priority to the order of opening and closing of the opening/closing lids 7 and 8, so that the second opening/closing lid 8 is opened and closed after the first opening/closing lid 7 is opened/closed. When the sliding button 18a at the upper end of the locking mechanism 18 is slid in the direction of the arrow to release the lock, the second opening/closing lid 8 can be opened. This lock mechanism 18 slides together with the sliding of the sliding button 18a, and as shown in FIG. The engagement with the engagement piece 8a of the opening/closing lid body is released during such sliding. Reference numeral 19 denotes a charging mode switching switch 13 that changes the charging time depending on when only the first opening/closing lid 7 is opened and when the first opening/closing lid 7 and the second opening/closing lid 8 are opened. A directly connected door switch 19 is shown, and this switch 19 rises when the second opening/closing lid 8 is opened, and the switch 13
The movable contact 13a is switched to the second fixed contact side, and when the second opening/closing lid body 8 is closed, the movable contact 13a is switched to the second fixed contact side.
a is switched to the first fixed contact 13b side. The second fixed contact 13b of the charging mode switching switch 13 is connected to the anodes of diodes D ₁ , D ₂ and D ₃ , and the cathodes of diodes D ₁ , D ₂ and D ₃ are connected to resistors R ₁ , R ₂ and It is connected to the fixed terminals 15, 22, 23 for the first, second, and third batteries 10, 20 _, 21 via R3, and the third
The second and third battery fixed terminals 24 and 25 are connected to the terminal section 12 for the power supply device. In this embodiment, in order to charge the battery 10, the first opening/closing lid 7 is opened, the battery 10 and the power supply device 9 are inserted into the insertion space, and the terminal 1 at a predetermined position is inserted.
1, 12, 14, 15, and 16, the movable contact 13a of the charging mode switching switch 13 is connected to the first fixed contact 13b, and the switching switch 17 is turned on to quickly charge the battery 10 ( 1 hour) is the first charging mode. In this charging mode, when charging is completed after one hour, a control signal is output from the charging completion detection circuit to turn off the changeover switch 17 and the charging is completed.

Also, when charging a plurality of batteries, for example, batteries 10, 20, and 21 according to this example,
Open the first opening/closing lid 7, then slide the sliding button 18 in the direction of the arrow to unlock the locking mechanism, that is, release the engagement between the engaging piece 18b and the engaging piece 8a, and then move the sliding button 18 in the direction of the arrow. Open the second opening/closing lid 8 (FIG. 5), and open the second opening/closing lid 8 and the second opening/closing lid 8 of the charge adapter 6.
The power supply device 9, batteries 10, 20, and 21 are inserted from a predetermined direction into the insertion space formed by the opening/closing lid body 8 side.
Insert as shown in Figure 6. In this case, when the second opening/closing lid 8 is opened, the charging mode switching switch 1 that was pressed when the second opening/closing lid 8 is closed is
9 is opened and the movable contact 13a
is switched to the second fixed contact 13c, and at the same time the second opening/closing lid 8, which is prioritized by the locking mechanism after opening of the first opening/closing lid 7, opens, the three batteries 10, 20 are opened. and 21 are charged in parallel, resulting in normal charging mode (charging time: 8 hours). When charging of one or more batteries is completed in these quick charging mode or normal charging mode, the second opening/closing lid 8 and the first opening/closing lid 7 are prioritized. The first opening/closing lid body 7 or the first opening/closing lid body 7 is closed to form a small and convenient shape as shown in FIG. 2.

As described above, according to the embodiment of the present invention,
The first and second opening/closing lid bodies 7 and 8 are provided so that they are opened when used for charging the battery and closed when not in use, so that connection terminals etc. can be connected to the first and second opening/closing lids when not in use. It has the advantage of being able to protect the body and being small and convenient to carry. Further, there is an advantage that a plurality of batteries can be charged simultaneously while the first and second opening/closing lids 7 and 8 are open. Also, when the first opening/closing lid 7 is opened, the mode is set to quick charging mode, and when the first opening/closing lid 7 and the second opening/closing lid 8 are opened, the mode is set to normal charging mode, which has the advantage of being able to use two charging modes. .
In addition, since the locking mechanism 18 is provided and a priority is set such that the second opening/closing lid 8 is opened only after the first opening/closing lid 7 is opened, the second opening/closing lid 8 is opened only after the first opening/closing lid 7 is opened. It is possible to prevent a situation in which only the lid body 8 opens while the first opening/closing lid body 7 remains closed, and there is an advantage that high-speed charging in the charging mode can be prioritized over normal charging without erroneous operation. In addition, the charging mode changeover switch 13 is switched to automatically switch from the fast charging mode to the normal charging mode at the same time as the second opening/closing lid 8 is opened, and the mode is automatically switched to the normal charging mode at the same time as the second opening/closing lid 8 is closed. This has the advantage that charging mode switching can be performed appropriately and smoothly.

It goes without saying that the present invention is not limited to the above-described embodiments, and that various other configurations may be adopted without departing from the gist of the present invention.

Effects of the invention According to the invention, when the first opening/closing lid body and the second opening/closing lid body are opened, an insertion space for a prescribed power supply device and a battery is formed so that the battery can be charged to a prescribed voltage. Therefore, it has the advantage of being compact and portable when not in use, and being able to charge multiple batteries at the same time when in use.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an example of a conventional charge adapter; FIGS. 2, 4, 5, and 6 are perspective views showing an embodiment of the charge adapter of the present invention; FIG. FIG. 3 is a diagram showing main parts of the example shown in FIG. 2; 7 and 8 are opening/closing lid bodies, 9 is a power supply device, 10, 2
0 and 21 are batteries.

Claims (1)

[Scope of utility model registration request] It has a first and second opening/closing lid body, and when the first opening/closing lid body or the first opening/closing lid body and the second opening/closing lid body are opened, an insertion space for a predetermined power supply device and a predetermined number of batteries is provided. In the charge adapter configured to charge the battery, the charging speed of the battery is determined depending on when the first opening/closing lid is opened and when the second opening/closing lid is opened. A charge adapter characterized by being adapted to be changed.