JPH0244924A - Portable radio telephone set - Google Patents

Abstract

PURPOSE:To attain efficient operation by providing plural batteries and connecting other battery switchingly at a proper level when the remaining capacity of the battery in use reaches the proper level or below thereby continuing the normal operation of the operating section. CONSTITUTION:Two batteries 20, 21 are provided to a main body section 1. When a power voltage 4 supplied from the battery 20 or 21 to the operating section reaches the proper level required to maintain the operation of the operating section or below, a battery indicator 6 drives a changeover switch 5 and to switch a battery, e.g., 20 having so far connected to the operating section to the battery 21. The battery 21 is not in use in this case and in the fully charged state, then the operating section receives power supply with the proper level and keeps normal operation. Thus, the continuously efficient operation is attained.

Description

Detailed Description of the Invention (Objective of the Invention) (Industrial Field of Application) The present invention relates to a portable radio telephone device operated by a battery, and in particular, to a portable radio telephone device operated by a battery, and in particular, to Regarding improvements.

(Prior Art) As shown in FIG. 2, this type of conventional portable radio telephone device has a main body 1 and a battery 2 connected to each other. , was configured with provisions.

Normally, only one battery 2 is provided, and a power supply voltage 4 is supplied to operating parts such as the UC line part through a smoothing capacitor 3 provided in the main body part 1.

Here, as long as the capacity of the remaining battery 2 is at an appropriate level, the operation of the above-mentioned operating section is compensated, but if it reaches below the appropriate level, it becomes inoperable, so a low voltage alarm is sent to the control section (not shown). to notify the operator.”
: I'm trying to do it.

In the event of a low voltage situation like this, the operator must take measures such as charging battery 2 by using it as a bag or replacing it with one of an appropriate level after being made aware of the situation by the above report. I can't wait for it to work again.

Therefore, in a conventional 4It band wireless telephone device that had two batteries or one battery, for example, if a low voltage condition occurs during a call, the call must be interrupted for a certain period of time to charge or replace battery 2. During this time, I sometimes ended up missing important matters.

(Problems to be Solved by the Invention) As described above, since the above-mentioned conventional mobile radio telephone device was equipped with only one battery as an operating power source,
In particular, if a low voltage condition occurs during calls, standby, connection control, etc., operation of the device will have to be interrupted for the time required to charge or replace the battery, and important communication There was a problem in that it led to the loss of JO.

The present invention has been developed in view of the above-mentioned circumstances, and it is possible to easily carry out measures such as charging and replacing batteries due to low voltage conditions, and moreover, it is possible to perform continuous operations without stopping the operation during these measures. The purpose of the present invention is to provide a portable wireless telephone device that can be operated with high efficiency.

[Structure of the Invention] (Means for Solving the Problems) The portable radio telephone device of the present invention has an operating part that operates with an appropriate level of voltage and a power supply capacity sufficient to compensate for the operation of the operating part. A plurality of batteries, a voltage detection means for detecting a power supply voltage to the operating section, and a power supply voltage detected by the voltage detection means maintain the appropriate level. and switching means for selectively connecting at least one of the batteries to the operating section.

<Function> When the operating part is being operated using one of the plurality of batteries, if the mobile radio telephone device of Kimitsuaki is used, the voltage detection means will detect if the remaining capacity of this battery is below the appropriate level. When it is detected that the switching connection means has reached the operating section, the remaining capacity i1 at the appropriate level is transferred to the operating section.
It is designed to connect another battery.

This allows the operating parts to always receive power at an appropriate level and continue normal operation, while in the case of the A3, the disconnected and insufficient battery is completely independent of the operation during that time. It can be charged or replaced.

(Example) Hereinafter, an example of the present invention will be described in detail based on the accompanying drawings.

FIG. 1 shows an embodiment of a portable radio telephone device according to the present invention, in which two batteries 2 are connected to a main body 1.
0 and 21 are provided.

These batteries 20 and 21 are each connected to the main body 1.
It has a charging capacity sufficient to compensate for the operation of the operating sections (wireless section, etc.) located inside, and is connected to each of the above-mentioned operating sections via a changeover switch 5.

Further, a battery indicator 6 is connected to the power supply line from the changeover switch 5 to the operating section.

This battery indicator 6 is composed of a voltage detection circuit and a switching control circuit, and the power supply voltage 4 supplied from the battery 20 or 21 to the operating section at the above connection position is necessary for maintaining the operation of the operating section. When the temperature falls below the appropriate level, the selector switch 5 is activated to change the battery 20 that has been connected to the operating unit to the battery 2.
Switch to side 1.

At this time, the battery 21 is not used again and is in a fully charged state, so after that, the operating section
1, it is possible to receive power supply at an appropriate level and continue normal operation.

Considering the operation of the main unit 1, this means that the operation does not stop during calls, standby, connection control, etc., which is extremely important for improving the operational efficiency of this type of mobile radio telephone device. This is a very meaningful thing.

On the other hand, the battery 20, which has been disconnected from the operating section by the above-mentioned switching system til+, can be removed from the main body section 1 and charged completely independently of the above operation, or it can be charged in a state that is already in the charging reservoir. You can exchange it with

In this embodiment, only an example in which two batteries are used has been described, but a larger number of batteries may be used as long as the external shape of the device or the ff1ff1 etc. are acceptable.

It goes without saying that when using more batteries in this manner, it is also possible to arbitrarily select whether to connect one or more batteries to the operating section.

〔Effect of the invention〕

As explained above, according to the portable radio telephone device of the present invention, it is provided with a plurality of batteries, and when the remaining capacity of the battery in use becomes less than the suitable level, the operating unit switches and connects the battery at the suitable level. Since the battery continues to operate normally, it goes without saying that battery charging, replacement, etc. due to low voltage conditions can be easily performed independently of operation, and even if low voltage conditions occur, operation will not stop. It has the excellent advantage of enabling continuous and efficient operation without failure.

[Brief explanation of the drawing]

FIG. 1 is a schematic block diagram showing an embodiment of a portable radio telephone device according to the present invention, and FIG. 2 is a schematic block diagram showing the configuration of a conventional portable radio telephone device of this scale.

Claims (1)

[Scope of Claims] An operating section that operates with a voltage at an appropriate level, a plurality of batteries each having a power supply capacity sufficient to compensate for the operation of the operating section, and voltage detection means for detecting a power supply voltage to the operating section. and switching connection means for selectively connecting at least one of the batteries to the operating section so that the power supply voltage detected by the voltage detection means maintains the appropriate level. Radiotelephone equipment.