JPH0715887A - Charging changeover circuit device - Google Patents
Charging changeover circuit deviceInfo
- Publication number
- JPH0715887A JPH0715887A JP17468093A JP17468093A JPH0715887A JP H0715887 A JPH0715887 A JP H0715887A JP 17468093 A JP17468093 A JP 17468093A JP 17468093 A JP17468093 A JP 17468093A JP H0715887 A JPH0715887 A JP H0715887A
- Authority
- JP
- Japan
- Prior art keywords
- charging
- circuit
- power supply
- control circuit
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、充電用バッテリに充
電を行なうための充電切替回路装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charge switching circuit device for charging a charging battery.
【0002】[0002]
【従来の技術】図2は、従来の充電切替回路装置の構成
を示す回路図である。図において、1と2は交流100
Vの商用電力供給端子、3は交流100Vをさらに低い
所定の交流電圧に落とすための変圧器、4は交流を直流
に変換するための整流回路、5は図示していない装着さ
れた充電用バッテリにより機械的に切り替えられる切替
スイッチ、6は整流回路4の直流出力を外部に供給する
ための外部出力端子である。2. Description of the Related Art FIG. 2 is a circuit diagram showing a configuration of a conventional charge switching circuit device. In the figure, 1 and 2 are AC 100
V commercial power supply terminal, 3 is a transformer for dropping AC 100V to a lower predetermined AC voltage, 4 is a rectifier circuit for converting AC to DC, and 5 is a charging battery not shown Is a changeover switch that can be mechanically changed by, and 6 is an external output terminal for supplying the DC output of the rectifier circuit 4 to the outside.
【0003】7は充電用正極側端子9と充電用負極側端
子10とに接続された充電用バッテリを充電する際に充
電電流を定電流化する定電流回路、8は定電流回路7を
制御するための電圧検出回路である。Reference numeral 7 is a constant current circuit for making the charging current constant when charging the charging battery connected to the charging positive side terminal 9 and the charging negative side terminal 10, and 8 controls the constant current circuit 7. It is a voltage detection circuit for doing so.
【0004】次に動作について説明する。商用電力供給
端子1,2から供給された交流100Vの商用電力は、
変圧器3により低い交流電圧に変換され、さらに整流回
路4により直流に変換される。充電用バッテリが装着さ
れていないときには、切替スイッチ5の可動接点5aは
固定接点5bと接続されており、整流回路4により変換
された直流電力を外部出力端子6から外部へ取り出すこ
とが出来る。また、充電用バッテリを装着したときに
は、切替スイッチ5の可動接点5aは固定接点5cに切
り替わる。この結果、整流回路4の出力は、定電流回路
7と電圧検出回路8に供給される。そして、電圧検出回
路8により充電用正極側端子9の端子電圧すなわち装着
された充電用バッテリの端子電圧が検出され、前記検出
した端子電圧に応じた値に定電流回路7において充電電
流が定電流化され、充電用正極側端子9と充電用負極側
端子10に接続された充電用バッテリに充電が行なわれ
る。Next, the operation will be described. The commercial power of AC 100V supplied from the commercial power supply terminals 1 and 2 is
It is converted into a low AC voltage by the transformer 3 and further converted into DC by the rectifier circuit 4. When the charging battery is not attached, the movable contact 5a of the changeover switch 5 is connected to the fixed contact 5b, and the DC power converted by the rectifier circuit 4 can be taken out from the external output terminal 6. Further, when the charging battery is mounted, the movable contact 5a of the changeover switch 5 is switched to the fixed contact 5c. As a result, the output of the rectifier circuit 4 is supplied to the constant current circuit 7 and the voltage detection circuit 8. Then, the voltage detection circuit 8 detects the terminal voltage of the charging positive-side terminal 9, that is, the terminal voltage of the installed charging battery, and the constant current circuit 7 changes the charging current to a value corresponding to the detected terminal voltage. Then, the charging battery connected to the charging positive electrode side terminal 9 and the charging negative electrode side terminal 10 is charged.
【0005】[0005]
【発明が解決しようとする課題】従来の充電切替回路装
置は以上のように構成されているので、装着された充電
用バッテリにより切替スイッチが機械的に切り替えら
れ、通常の直流電源装置として機能したりあるいは充電
装置として機能する構成であるから、切替スイッチが必
要であり回路構成が複雑化する問題点があった。Since the conventional charge switching circuit device is configured as described above, the changeover switch is mechanically switched by the charging battery installed, and functions as a normal DC power supply device. However, since it has a configuration that functions as a charging device, there is a problem that a changeover switch is required and the circuit configuration becomes complicated.
【0006】本発明は上記のような問題点を解消するた
めになされたもので、回路構成を簡略化し、製造コスト
を削減することのできる充電切替回路装置を得ることを
目的とする。The present invention has been made to solve the above problems, and an object of the present invention is to obtain a charge switching circuit device which can simplify the circuit structure and reduce the manufacturing cost.
【0007】[0007]
【課題を解決するための手段】本発明に係る充電切替回
路装置は、交流電源を直流電源に変換する整流回路と、
その整流回路の出力を外部に供給するための外部出力端
子と、前記整流回路の出力により充電用バッテリに充電
を行なうための制御を行なう充電制御回路と、その充電
制御回路の出力を前記充電用バッテリの正極に供給する
充電用正極側端子と、前記充電用バッテリの負極と前記
整流回路のグランド側とを接続するための第1の充電用
負極側端子と、前記充電用バッテリの負極と前記充電制
御回路のグランド側とを接続するための第2の充電用負
極側端子とを備えたものである。A charge switching circuit device according to the present invention includes a rectifier circuit for converting an AC power supply into a DC power supply,
An external output terminal for supplying the output of the rectifier circuit to the outside, a charge control circuit for performing control for charging the charging battery by the output of the rectifier circuit, and an output of the charge control circuit for charging A charging positive electrode side terminal supplied to the positive electrode of the battery, a first charging negative electrode side terminal for connecting the negative electrode of the charging battery and the ground side of the rectifier circuit, a negative electrode of the charging battery and the It is provided with a second charging negative electrode side terminal for connecting to the ground side of the charging control circuit.
【0008】[0008]
【作用】本発明における充電切替回路装置は、整流回路
のグランド側と充電制御回路のグランド側とを分離し、
整流回路のグランド側と接続される第1の充電用負極側
端子と、前記充電制御回路のグランド側と接続される第
2の充電用負極側端子とを夫々設け、充電用バッテリが
装着されたときに限り前記充電制御回路が動作し、充電
用正極側端子および第1の充電用負極側端子,第2の充
電用負極側端子に接続された前記充電用バッテリに充電
をおこなうため、切替スイッチを省略することが可能と
なり、回路構成の簡略化および製造コストの削減が可能
となる。The charge switching circuit device according to the present invention separates the ground side of the rectifier circuit from the ground side of the charge control circuit,
A first charging negative electrode side terminal connected to the ground side of the rectifier circuit and a second charging negative electrode side terminal connected to the ground side of the charge control circuit were respectively provided, and a charging battery was installed. Only when the charge control circuit operates to charge the charging battery connected to the charging positive side terminal, the first charging negative side terminal, and the second charging negative side terminal, a changeover switch. Can be omitted, and the circuit configuration can be simplified and the manufacturing cost can be reduced.
【0009】[0009]
【実施例】以下、本発明の一実施例を図について説明す
る。図1は本実施例の充電切替回路装置の構成を示す回
路図である。図1において図2と同一または相当の部分
については同一の符号を付し説明を省略する。図におい
て、20は定電流回路7と電圧検出回路8とを備えた充
電制御回路、21は整流回路4のグランド側に接続され
た第1の充電用負極側端子、22は充電制御回路20の
グランド側と接続された第2の充電用負極側端子であ
る。23は装着される充電用バッテリ電源であり、正極
24と幅広に構成された負極25を備えている。正極2
4は充電用バッテリ電源23に内蔵されたバッテリ26
のバッテリ正極端子26aに接続され、また負極25は
バッテリ26のバッテリ負極端子26bに接続されてい
る。そして、充電用バッテリ電源23が装着されると、
充電用バッテリ電源23の正極24は充電用正極側端子
9と接続され、また負極25は第1の充電用負極側端2
1および第2の充電用負極側端22に接続される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a circuit diagram showing the configuration of the charge switching circuit device of this embodiment. In FIG. 1, parts that are the same as or correspond to those in FIG. 2 are assigned the same reference numerals and explanations thereof are omitted. In the figure, 20 is a charge control circuit including a constant current circuit 7 and a voltage detection circuit 8, 21 is a first charging negative electrode side terminal connected to the ground side of the rectifier circuit 4, and 22 is a charge control circuit 20. It is a second charging negative electrode side terminal connected to the ground side. Reference numeral 23 denotes a charging battery power source to be mounted, which includes a positive electrode 24 and a wide negative electrode 25. Positive electrode 2
4 is a battery 26 built in the charging battery power source 23
Of the battery 26, and the negative electrode 25 is connected to the battery negative electrode terminal 26 b of the battery 26. When the charging battery power source 23 is attached,
The positive electrode 24 of the charging battery power source 23 is connected to the charging positive electrode side terminal 9, and the negative electrode 25 is the first charging negative electrode side end 2.
It is connected to the first and second charging negative electrode side ends 22.
【0010】次に動作について説明する。充電用バッテ
リ電源23が装着されていない状態にあるときには、整
流回路4のグランド側と充電制御回路20のグランド側
とは接続されない状態にあるため充電制御回路20は動
作しない。一方、外部出力端子6には整流回路4のプラ
ス側とグランド側が接続されているため、外部出力端子
6から外部へ整流回路4の直流出力を取り出すことがで
きる。Next, the operation will be described. When the charging battery power supply 23 is not installed, the ground side of the rectifier circuit 4 and the ground side of the charge control circuit 20 are not connected, and thus the charge control circuit 20 does not operate. On the other hand, since the positive side and the ground side of the rectifier circuit 4 are connected to the external output terminal 6, the DC output of the rectifier circuit 4 can be extracted from the external output terminal 6 to the outside.
【0011】充電用バッテリ電源23が装着されると、
充電用バッテリ電源23の正極24は充電用正極側端子
9と接続され、また負極25は第1の充電用負極側端2
1および第2の充電用負極側端22に接続されるため、
充電制御回路20のグランド側と整流回路4のグランド
側とが充電用バッテリ電源23の幅広の負極25により
接続されることになり、充電制御回路20が動作して装
着された充電用バッテリ電源23のバッテリ26に充電
を開始する。When the charging battery power source 23 is installed,
The positive electrode 24 of the charging battery power source 23 is connected to the charging positive electrode side terminal 9, and the negative electrode 25 is the first charging negative electrode side end 2.
Since the first and second charging negative electrode side ends 22 are connected,
The ground side of the charging control circuit 20 and the ground side of the rectifier circuit 4 are connected by the wide negative electrode 25 of the charging battery power supply 23, and the charging battery power supply 23 operated and mounted by the charging control circuit 20 operates. The charging of the battery 26 is started.
【0012】このように本実施例では、充電用バッテリ
電源23が装着されるか否かに応じて充電制御回路20
の動作のオン/オフが切り替えられ、充電用バッテリ電
源23が装着されると切替スイッチが設けられていなく
ても、充電用バッテリ電源23の幅広の負極25と第1
の充電用負極側端21および第2の充電用負極側端22
とが接続され充電制御回路20が動作し、装着された充
電用バッテリ電源23のバッテリ26に充電が行なわれ
る。またこの状態から充電用バッテリ電源23がはずさ
れると充電制御回路20の動作が停止する。As described above, in this embodiment, the charging control circuit 20 depends on whether the charging battery power source 23 is attached or not.
When the charging battery power supply 23 is mounted by switching the operation of ON / OFF, the wide negative electrode 25 of the charging battery power supply 23 and the first
End 21 for charging negative electrode and end 22 for second negative electrode for charging
Are connected to operate the charging control circuit 20 to charge the battery 26 of the mounted charging battery power source 23. Further, when the charging battery power source 23 is removed from this state, the operation of the charging control circuit 20 is stopped.
【0013】[0013]
【発明の効果】以上のように本発明によれば、充電用バ
ッテリ電源が装着されるか否かに応じて充電制御回路の
動作のオン/オフが切り替えられるため切替スイッチが
不要となり、回路構成が簡略化され製造コストが削減で
きる効果がある。As described above, according to the present invention, since the operation of the charging control circuit is switched on / off depending on whether or not the charging battery power source is mounted, the changeover switch is not required, and the circuit configuration is eliminated. Is simplified and the manufacturing cost can be reduced.
【図1】本発明の一実施例による充電切替回路装置を示
す回路図である。FIG. 1 is a circuit diagram showing a charge switching circuit device according to an embodiment of the present invention.
【図2】従来の充電切替回路装置を示す回路図である。FIG. 2 is a circuit diagram showing a conventional charge switching circuit device.
4 整流回路 6 外部出力端子 20 充電制御回路 21 第1の充電用負極側端子 22 第2の充電用負極側端子 24 正極 25 負極 26 バッテリ(充電用バッテリ) 4 Rectifier Circuit 6 External Output Terminal 20 Charging Control Circuit 21 First Charging Negative Electrode Side Terminal 22 Second Charging Negative Side Terminal 24 Positive Electrode 25 Negative Electrode 26 Battery (Charging Battery)
Claims (1)
と、その整流回路の出力を外部に供給するための外部出
力端子と、前記整流回路の出力により充電用バッテリに
充電を行なうための制御を行なう充電制御回路と、その
充電制御回路の出力を前記充電用バッテリの正極に供給
する充電用正極側端子と、前記充電用バッテリの負極と
前記整流回路のグランド側とを接続するための第1の充
電用負極側端子と、前記充電用バッテリの負極と前記充
電制御回路のグランド側とを接続するための第2の充電
用負極側端子とを備えた充電切替回路装置。1. A rectifier circuit for converting an AC power supply into a DC power supply, an external output terminal for supplying the output of the rectifier circuit to the outside, and a control for charging a charging battery by the output of the rectifier circuit. For connecting the positive electrode terminal for charging for supplying the output of the charging control circuit to the positive electrode of the charging battery, the negative electrode of the charging battery, and the ground side of the rectifying circuit. 1. A charging switching circuit device comprising: a charging negative side terminal; and a second charging negative side terminal for connecting the negative side of the charging battery and the ground side of the charging control circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17468093A JPH0715887A (en) | 1993-06-23 | 1993-06-23 | Charging changeover circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17468093A JPH0715887A (en) | 1993-06-23 | 1993-06-23 | Charging changeover circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0715887A true JPH0715887A (en) | 1995-01-17 |
Family
ID=15982820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17468093A Pending JPH0715887A (en) | 1993-06-23 | 1993-06-23 | Charging changeover circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0715887A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007159292A (en) * | 2005-12-06 | 2007-06-21 | Sony Corp | Charging device |
-
1993
- 1993-06-23 JP JP17468093A patent/JPH0715887A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007159292A (en) * | 2005-12-06 | 2007-06-21 | Sony Corp | Charging device |
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