JPH04261337A - Charger - Google Patents

Abstract

PURPOSE:To effectively prevent incomplete charge, uncharging at the time of charging and to eliminate loss of waterproofness and external appearance. CONSTITUTION:A charger body 1x for charging a device to be charged, mounted in a predetermined charge unit such as, for example, a chargeable type transceiver 2, is provided. A reed switch 4 for switching a connection between a battery 3 and a main circuit 6 is arranged in the transceiver 2, and a magnet 5 for opening the connection between the battery 3 and the circuit 6 by switching the switch 4 at the time of charging the transceiver 2 is arranged in the body 1x.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging device suitable for use with devices to be charged such as rechargeable transceivers.

0002

BACKGROUND AND PROBLEMS Generally, when a built-in battery of a rechargeable transceiver (device to be charged) is exhausted, the transceiver is charged by a charging device.

By the way, when this type of transceiver is charged by a charging device, it often happens that the transceiver is charged while the power switch on the transceiver side is in the ON state. This is because in the case of transceivers, if there is no communication, there is no sound, making it difficult to confirm whether the power switch is ON or OFF.Also, since many transceivers are portable, the power switch may be turned off by human movements, etc. This is due to the fact that it is easy to cause incorrect operation.

[0004] If the battery is charged while the power switch is in the ON state, the battery will continue to be discharged even during charging, resulting in a problem that the battery will be incompletely charged or uncharged.

[0005] The present invention has solved the problems based on the above background, and is capable of reliably preventing incomplete charging or non-charging during charging, and in addition, charging without impairing waterproofness or appearance. The purpose is to provide equipment.

[0006]

[Means for Solving the Problems] The present invention provides a charging device 1 that includes a charging device main body 1x that charges a device to be charged, such as a rechargeable transceiver 2, loaded in a predetermined loading section.
A reed switch 4 for opening and closing the connection between the battery 3 and the main circuit 6 is disposed inside the transceiver 2, and the battery is connected to the charging device main body 1x by switching the reed switch 4 when the transceiver 2 is loaded. 3 and the main circuit 6 is provided.

[0007]

[Operation] According to the charging device 1 according to the present invention, during charging,
When the transceiver 2 is loaded into a predetermined loading portion in the charging device main body 1x, the reed switch 4 and the magnet 5 come close to each other, and the reed switch 4 is switched. This results in
The reed switch 4 opens the connection between the battery 3 built into the transceiver 2 and the main circuit 6, and even if the power switch of the transceiver 2 is mistakenly turned on, the power to the main circuit 6 is cut off, and the power supply to the main circuit 6 is cut off during charging. Discharge of the battery 3 is prevented.

[0008]

Embodiments Next, preferred embodiments of the present invention will be described in detail with reference to the drawings.

First, the configuration of a charging device 1 according to the present invention will be explained with reference to FIG.

2 is a rechargeable transceiver, and the chain double-dashed line indicates the casing 11. A main circuit 6 for making the transceiver function is provided inside the casing 11.
is connected to the battery 3 through a series circuit of a power switch 13 and a reed switch 4. On the other hand, both positive and negative terminals of the battery 3 are connected to a pair of connection terminals 1 provided outside the casing 11.
4 and 15, respectively. Note that, when viewed from the main circuit 6, the reed switch 4 and the battery 3 are connected in series.

[0011] Furthermore, the reed switch 4 has a casing 11.
, particularly at a predetermined position on the inner surface of the casing 11. In this way, since the reed switch 4 is disposed inside the casing 11, there is no reduction in waterproofness or change in appearance.

On the other hand, 1x is a charging device main body, and this charging device main body 1x and reed switch 4 constitute a charging device 1 according to the present invention.

The charging device main body 1x includes a casing 21 shown by a two-dot chain line, and a main circuit 22 having a charging function is provided inside the casing. connection terminal 23,
24 respectively. Further, the casing 21 is provided with a loading section for positioning and loading the transceiver 2 during charging. The loading section is provided, for example, as an accommodation recess in the casing 21, and by setting the transceiver 2 in the accommodation recess, the transceiver 2 is positioned, and the connection terminals 14 and 15 on the transceiver 2 side and the connection terminal on the charging device main body 1x side are connected. 23 and 24 are connected to each other.

[0014] Furthermore, a magnet 5 is fixed at a predetermined position on the casing 21. This fixed position is selected to be close to the reed switch 4 and to be able to turn off the reed switch 4 when the transceiver 2 is loaded into the charging device main body 1x.

Next, the functions of the charging device 1 according to the present invention will be explained with reference to FIGS. 1 and 2.

First, when not charging, as shown in FIG. 2, since the charging device main body 1x and the transceiver 2 are separated, the reed switch 4 and the magnet 5 are also separated, and the reed switch 4 is turned on. As a result, power switch 1
3 and the battery 3 are directly connected, and the main circuit 6 is energized or de-energized by turning the power switch 13 ON/OFF.

On the other hand, during charging, as shown in FIG. 1, the transceiver 2 is loaded into the charging device main body 1x, and charging is performed by connecting the connecting terminals 14 and 23, and 15 and 24, respectively. And at this time, if
Even if the power switch 13 is turned on due to an erroneous operation or the like, the magnet 5 comes close to the reed switch 4 and turns the reed switch 4 off, cutting off the connection circuit between the battery 3 and the main circuit 6. That is, unnecessary discharge is prevented.

Note that such a function may be achieved by, for example, providing a protrusion on the charging device main body 1x and providing a microswitch or the like on the transceiver 2 that can be turned off by the protrusion, but this will greatly reduce the waterproofness and appearance. Therefore, it is not desirable. However, if the reed switch 4 and the magnet 5 are used as in the present invention, there is an advantage that the waterproofness and appearance are not deteriorated at all, and it is particularly suitable for use in a portable transceiver.

The embodiments have been described in detail above, but
The invention is not limited to such embodiments. For example, although a rechargeable transceiver is illustrated as the device to be charged, the invention can be applied to any other device to be charged. In addition, although the example illustrated the case where the battery and the reed switch are connected in series, if the power switch electrically opens and closes the connection like a relay, the opening and closing of the power switch may be controlled by the reed switch. good. Other details such as the configuration can be arbitrarily changed without departing from the gist of the present invention.

[0020]

As described above, the charging device according to the present invention has a reed switch disposed inside the device to be charged for opening and closing the connection between the battery and the main circuit, and a reed switch for opening and closing the connection between the battery and the main circuit. Since a magnet is provided to open the connection between the battery and the main circuit by switching the reed switch when loading the device, the following remarkable effects are achieved.

[0021] Even if the power switch of the device to be charged is mistakenly turned on and the battery is charged, incomplete charging or uncharging of the battery can be reliably prevented.

[0022] Since a reed switch and a magnet are used, there is no loss in waterproofness or appearance.

[Brief explanation of the drawing]

FIG. 1 is a block circuit diagram showing a charging state of a charging device according to the present invention;

[Fig. 2] A block circuit diagram showing the state of the charging device when not charging.

[Explanation of symbols]

1 Charging device 1x Charging device body 2 Transceiver 3 Battery 4 Reed switch 5 Magnet 6 Main circuit

Claims (2)

[Claims] Claim 1: In a charging device comprising a charging device main body that charges a device to be charged loaded in a predetermined loading section, there is provided a reed switch inside the device to be charged for opening and closing a connection between a battery and a main circuit. What is claimed is: 1. A charging device comprising: a magnet for opening a connection between a battery and a main circuit by switching a reed switch when a device to be charged is loaded on the main body of the charging device; 2. The charging device according to claim 1, wherein the device to be charged is a rechargeable transceiver.