JPH079566Y2 - Charger - Google Patents

Charger

Info

Publication number
JPH079566Y2
JPH079566Y2 JP1987073166U JP7316687U JPH079566Y2 JP H079566 Y2 JPH079566 Y2 JP H079566Y2 JP 1987073166 U JP1987073166 U JP 1987073166U JP 7316687 U JP7316687 U JP 7316687U JP H079566 Y2 JPH079566 Y2 JP H079566Y2
Authority
JP
Japan
Prior art keywords
voltage
transistor
battery
oscillating
oscillation
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.)
Expired - Lifetime
Application number
JP1987073166U
Other languages
Japanese (ja)
Other versions
JPS63182640U (en
Inventor
正人 佐野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP1987073166U priority Critical patent/JPH079566Y2/en
Publication of JPS63182640U publication Critical patent/JPS63182640U/ja
Application granted granted Critical
Publication of JPH079566Y2 publication Critical patent/JPH079566Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【考案の詳細な説明】 (イ)産業上の利用分野 本考案はトランジスタインバータを用いて商用交流を降
圧整流し被充電電池を充電する充電装置に係り、該電池
または商用交流にて負荷を駆動せしめるものに関する。
[Detailed Description of the Invention] (a) Industrial field of application The present invention relates to a charging device that steps down and rectifies commercial AC using a transistor inverter to charge a battery to be charged, and drives a load by the battery or commercial AC. Regarding the mess.

(ロ)従来の技術 本考案が対象とする充電装置として例えば特開昭60−13
4731号公報がある。この公報には発振用トランジスタや
発振用トランス等からなり、直流電圧の駆動により発振
を行なうトランジスタインバータと、トランジスタイン
バータの発振出力により充電される被充電用電池と、該
電池と第1のスイッチング手段を介して並列に接続され
るモータとを具備し、発振用トランジスタに印加する発
振開始電圧調整用の第1の抵抗と第2の抵抗とを直列接
続し、上記第1のスイッチング手段と連動し第2の抵抗
を入切する第2のスイッチング手段をオフして両抵抗に
よる分圧比を高め発振用トランジスタへの駆動電圧を高
くしたものである。この場合発振用トランジスタのベー
ス電位を抵抗の分圧により直接変化させ、充電時、負荷
駆動時の出力を切換えるものであり、電池電圧の変動を
検出して充電を終了させるような急速充電回路には採用
できないという問題点があつた。そしてこの場合充電終
了の検出は発振用トランスの1次側で行なうとともに、
商用交流によつて直接に負荷を駆動せしめるときの切換
は第2スイッチング手段によつて第2の抵抗を入切する
ことにより発振トランジスタに流れる電流を直接増大せ
しめることによつて行われる。従つて、満充電の検出は
充電制御ブロックで行ない、負荷駆動時の電流調節は、
第1及び第2スイッチング手段による発振トランジスタ
のベース電流制御によつて行う必要があり、且つ両者の
動作は全く独立しているため回路構成が複雑となつて電
池の電圧を検出して充電終了時期を知る急速充電回路に
対して最良の回路とは言えない。
(B) Conventional technology As a charging device targeted by the present invention, for example, Japanese Patent Laid-Open No. 60-13
There is a 4731 publication. In this publication, a transistor inverter including an oscillating transistor, an oscillating transformer, and the like, which oscillates by driving a DC voltage, a battery to be charged which is charged by an oscillating output of the transistor inverter, the battery, and a first switching means. And a motor connected in parallel through the first transistor and a second resistor for adjusting the oscillation start voltage applied to the oscillation transistor, the first resistor and the second resistor being connected in series, and interlocking with the first switching means. The second switching means for turning on and off the second resistor is turned off to increase the voltage division ratio by both resistors and increase the drive voltage to the oscillation transistor. In this case, the base potential of the oscillating transistor is directly changed by voltage division of the resistor to switch the output during charging and load driving.In a rapid charging circuit that detects changes in battery voltage and terminates charging. There was a problem that could not be adopted. And in this case, the detection of the end of charging is performed on the primary side of the oscillating transformer,
The switching when the load is directly driven by the commercial alternating current is performed by directly increasing the current flowing in the oscillation transistor by turning on and off the second resistor by the second switching means. Therefore, the full charge is detected by the charge control block, and the current adjustment when driving the load is
It is necessary to carry out by controlling the base current of the oscillation transistor by the first and second switching means, and since the operations of both are completely independent, the circuit configuration is complicated and the voltage of the battery is detected to end charging. It is not the best circuit for the quick charge circuit.

(ハ)考案が解決しようとする問題点 本考案が解決しようとする問題点は発振トランジスタの
導通状態を制御するゲート付制御素子を満充電時の電池
電圧検出並びに負荷駆動時における発振トランジスタの
ベース電流調整に用いることである。
(C) Problems to be solved by the device The problems to be solved by the present invention are to detect the battery voltage when the control element with a gate for controlling the conduction state of the oscillation transistor is fully charged and the base of the oscillation transistor when the load is driven. It is used for current adjustment.

(ニ)問題点を解決するための手段 本考案は、発振用トランジスタ及び発振用トランスを有
し直流電圧の駆動により発振を行うトランジスタインバ
ータと、トランジスタインバータの発振出力により充電
される被充電用電池と、該電池にスイッチング手段を介
して並列に接続される負荷とを具備する充電装置におい
て、前記直流電圧の両端間に介挿される抵抗及び基準電
圧素子からなる基準電圧回路と、該基準電圧回路の分圧
点電圧と前記被充電用電池の電池電圧とを比較し、前記
発振用トランジスタのベース電流を制御するプログラマ
ブルユニジャンクショントランジスタとを設けると共
に、前記スイッチング手段のオン動作に連動して前記分
圧点電圧の波高値を調整する。
(D) Means for Solving the Problems The present invention is directed to a transistor inverter having an oscillating transistor and an oscillating transformer for oscillating by driving a DC voltage, and a battery to be charged which is charged by an oscillating output of the transistor inverter. And a load connected in parallel to the battery via a switching means, in a charging device, a reference voltage circuit including a resistance and a reference voltage element interposed between both ends of the DC voltage, and the reference voltage circuit. Comparing the voltage division point voltage and the battery voltage of the battery to be charged, a programmable unijunction transistor for controlling the base current of the oscillation transistor is provided, and the voltage is divided in conjunction with the ON operation of the switching means. Adjust the peak value of pressure point voltage.

(ニ)作用 電池の充電中は、ゲート付制御素子がその電池電圧を検
出して所定の値に達したところで発振トランジスタに供
給するベース電流を制御し充電を終了させる。負荷駆動
時には、スイッチング手段によつて抵抗が短絡されるの
でゲート付制御素子が検出する分圧点電圧の波高値が上
昇し、該素子によつて供給される発振トランジスタのベ
ース電流が増大する。
(D) Operation During charging of the battery, the gated control element detects the battery voltage and when the battery voltage reaches a predetermined value, controls the base current supplied to the oscillation transistor to terminate the charging. When the load is driven, the resistance is short-circuited by the switching means, so that the peak value of the voltage dividing point voltage detected by the gated control element increases, and the base current of the oscillation transistor supplied by the element increases.

(ヘ)実施例 以下、本考案充電装置を図面の一実施例に基き詳細に説
明する。
(F) Embodiment Hereinafter, the charging device of the present invention will be described in detail with reference to an embodiment of the drawings.

D1は全波整流回路にして直流電流としての機能を有し、
その交流入力端は商用電源(AC)に抵抗(R1)を介して
接続され、その直流出力端には逆流阻止ダイオード
(D2)及び平滑コンデンサ(C1)の直列回路が雑音防止
用コイル(L)を経て接続される。
D 1 is a full-wave rectifier circuit and has the function of direct current,
The AC input terminal is connected to the commercial power supply (AC) via a resistor (R 1 ), and the DC output terminal has a series circuit of a reverse current blocking diode (D 2 ) and a smoothing capacitor (C 1 ) as a noise prevention coil. It is connected via (L).

(TI)は、トランジスタインバータにして前記平滑コン
デンサ(C1)の両端に発振トランス(T)の一次コイル
(N1)と発振トランジスタ(TR1)のコレクタ、エミッ
タ及び抵抗(R4)の直列回路が接続され、前記トランジ
スタ(TR1)のベースには発振トランス(T)の帰還コ
イル(N3)及び抵抗(R3)が接続されている。また抵抗
(R3)の両端にはコンデンサ(C3)が接続されている。
(TI) is a transistor inverter, and the primary coil (N 1 ) of the oscillation transformer (T) and the collector, emitter and resistor (R 4 ) of the oscillation transistor (TR 1 ) are connected in series across the smoothing capacitor (C 1 ). A circuit is connected, and the feedback coil (N 3 ) and the resistor (R 3 ) of the oscillation transformer (T) are connected to the base of the transistor (TR 1 ). Also at both ends of the resistor (R 3) it is connected to a capacitor (C 3).

前記一次コイル(N1)の両端にはスパイク電圧吸収用の
抵抗(R2)及びコンデンサ(C2)の直列回路が接続され
る。また前記発振トランス(T)の二次コイル(N2)は
整流用ダイオード(D3)を介して電池(B)に接続され
るとともに、始動スイッチ(S)及び負荷としてのモー
タ(M)から成る直列回路に接続される。即ち前記モー
タ(M)は始動スイッチ(S)の閉成により前記二次コ
イル(N2)の整流出力によつて駆動される。
A series circuit of a spike voltage absorbing resistor (R 2 ) and a capacitor (C 2 ) is connected to both ends of the primary coil (N 1 ). Further, the secondary coil (N 2 ) of the oscillation transformer (T) is connected to the battery (B) through the rectifying diode (D 3 ) and is connected to the starting switch (S) and the motor (M) as a load. Connected in series circuit. That is, the motor (M) is driven by the rectified output of the secondary coil (N 2 ) by closing the start switch (S).

次に(DE)は検知回路にして基準電圧素子としてのツエ
ナダイオード(ZD2)を前記全波整流回路(D1)の直流
出力端に抵抗(R5)、ツエナダイオード(ZD1)、抵抗
(R9)及び前記雑音防止コイル(L)を介して接続し、
前記ツエナダイオード(ZD2)の両端間に定電圧を得、
この電圧を抵抗(R7)と(R8)によつて分圧するととも
に、この分圧点(P)にゲート付制御素子としてのプロ
グラマブルユニジヤンクシヨントランジスタ(PUT)の
アノードを接続したものである。また前記トランジスタ
(PUT)のゲートは抵抗(R6)を介して前記モータ
(M)の正極及び、電池(B)の正極に接続されるとと
もに該トランジスタ(PUT)のカソードは前記発振トラ
ンジスタ(TR1)のベースと抵抗(R4)との間に介挿さ
れてベースバイアス回路を構成する。
Next, (DE) is a detection circuit, and a Zener diode (ZD 2 ) as a reference voltage element is connected to the DC output terminal of the full-wave rectifier circuit (D 1 ) with a resistor (R 5 ), Zener diode (ZD 1 ), and a resistor. (R 9 ) and the noise prevention coil (L),
A constant voltage is obtained across the Zener diode (ZD 2 ),
This voltage is divided by resistors (R 7 ) and (R 8 ), and an anode of a programmable unison transistor (PUT) as a control element with a gate is connected to this dividing point (P). . The gate of the transistor (PUT) is connected to the positive electrode of the motor (M) and the positive electrode of the battery (B) through a resistor (R 6 ), and the cathode of the transistor (PUT) is connected to the oscillation transistor (TR). It is inserted between the base of 1 ) and the resistor (R 4 ) to form a base bias circuit.

前記始動スイッチ(S)は、3端子型のスイッチであつ
て一対の端子間には前記抵抗(R9)が接続され、該スイ
ッチ(S)の閉成時にこの抵抗(R9)は短絡される構成
となつている。
The starting switch (S) is a three-terminal type switch, the resistor (R 9 ) is connected between a pair of terminals, and the resistor (R 9 ) is short-circuited when the switch (S) is closed. It has a structure.

以上の構成において、電池(B)の電圧が低い時に商用
電源(AC)に接続すると、電池電圧が分圧点(P)より
も低いためにPUTにゲート電流が流れ、このPUTが導通し
て発振用トランジスタ(TR1)のベース電流を増加す
る。その結果、発振周波数が高くなって発振トランジス
タ(T)の二次側出力が増大し、急速充電を行う。
In the above configuration, when the battery (B) is connected to a commercial power source (AC) when the voltage is low, the gate current flows to the PUT because the battery voltage is lower than the voltage dividing point (P), and the PUT becomes conductive. Increase the base current of the oscillation transistor (TR 1 ). As a result, the oscillating frequency becomes higher, the secondary side output of the oscillating transistor (T) increases, and rapid charging is performed.

電池(B)が満充電になると、PUTのゲート電流が無く
なるのでこのPUTが遮断する。その結果、このPUTから発
振用トランジスタ(TR1)のベースへの電流が無くなる
ので、発振トランジスタ(T)の発振が小さくなって二
次側出力を減少し、トリクル充電となる。
When the battery (B) is fully charged, the gate current of the PUT disappears and this PUT shuts off. As a result, the current from the PUT to the base of the oscillation transistor (TR 1 ) disappears, so that the oscillation of the oscillation transistor (T) becomes small, the secondary side output decreases, and trickle charging occurs.

一方、急速充電中又はトリクル充電中にスイッチング手
段(S)を閉じると、抵抗(R9)が側路されるので分圧
点(P)の波高値が第3図のように高くなり、PUTにゲ
ート電流が流れて、前記急速充電の時と同様に発振トラ
ンスの二次側出力を増大する。しかも分圧点(P)の波
高値が高いことにより、急速充電時よりも第3図の斜線
で示す部分だけエネルギーが高くなり、発振トランス
(T)の発振周波数が高くなって、急速充電の時よりも
二次側出力を増す。このようにスイッチング手段(S)
を閉じると、急速充電の時よりも発振トランス(T)の
二次側出力が増大するので、十分に負荷(M)を駆動す
ることができる。
On the other hand, if the switching means (S) is closed during rapid charging or trickle charging, the resistance (R 9 ) is bypassed, and the peak value of the voltage dividing point (P) becomes high as shown in FIG. A gate current flows through the gate current, increasing the secondary side output of the oscillating transformer as in the case of the rapid charging. Moreover, since the peak value of the voltage dividing point (P) is high, the energy becomes higher only in the shaded portion of FIG. 3 than during the rapid charging, and the oscillation frequency of the oscillating transformer (T) becomes high, so that the rapid charging is performed. Secondary output is increased over time. Thus switching means (S)
Is closed, the secondary side output of the oscillating transformer (T) increases more than that during the rapid charging, so that the load (M) can be sufficiently driven.

(ト)考案の効果 本考案は、発振用トランジスタ及び発振用トランスを有
し直流電圧の駆動により発振を行うトランジスタインバ
ータと、トランジスタインバータの発振出力により充電
される被充電用電池と、該電池にスイッチング手段を介
して並列に接続される負荷とを具備する充電装置におい
て、前記直流電圧の両端間に介挿される抵抗及び基準電
圧素子からなる基準電圧回路と、該基準電圧回路の分圧
点電圧と前記被充電用電池の電池電圧とを比較し、前記
発振用トランジスタのベース電流を制御するプログラマ
ブルユニジャンクショントランジスタとを設けると共
に、前記スイッチング手段のオン動作に連動して前記分
圧点電圧の波高値を調整するので、プログラマブルユニ
ジャンクショントランジスタによって電池の満充電状態
を検出することにより、急速充電及びトリクル充電に応
じて充電電流を制御し、被充電用電池を過充電すること
なく急速に充電することができると共に、負荷の駆動時
には急速充電時よりも大きな電流を流して負荷を十分に
駆動することができるので、商用電源と電池のいずれで
も使用できる交直両用機器に対して広く使用することが
できる。
(G) Effect of the Invention The present invention has a transistor inverter that has an oscillating transistor and an oscillating transformer to oscillate by driving a DC voltage, a battery to be charged that is charged by the oscillation output of the transistor inverter, and the battery. In a charging device comprising a load connected in parallel via a switching means, a reference voltage circuit composed of a resistor and a reference voltage element inserted between both ends of the DC voltage, and a voltage dividing point voltage of the reference voltage circuit. And a battery voltage of the battery to be charged, and a programmable unijunction transistor for controlling the base current of the oscillating transistor is provided, and the voltage of the voltage dividing point is linked with the ON operation of the switching means. Adjusts the high value so the programmable unijunction transistor keeps the battery fully charged. By detecting it, the charging current can be controlled according to quick charge and trickle charge, and the battery to be charged can be charged rapidly without overcharging. Since the load can be driven sufficiently to drive the load, it can be widely used for AC / DC equipment that can be used with either a commercial power source or a battery.

【図面の簡単な説明】[Brief description of drawings]

第1図は本考案充電装置の一実施回路図、第2図は分圧
点Pの充電時の電圧波形図、第3図は分圧点Pの負荷駆
動時の電圧波形図である。 (TR1)…発振用トランジスタ、(T)…発振用トラン
ス、(D1)…直流電圧、(TI)…トランジスタインバー
タ、(B)…電池、(M)…負荷、(R5)(ZD2
(R9)(ZD1)…基準電圧回路、(P)…分圧点、(PU
T)…ゲート付制御素子、(S)…スイッチング手段。
FIG. 1 is a circuit diagram of an embodiment of the charging device of the present invention, FIG. 2 is a voltage waveform diagram when charging the voltage dividing point P, and FIG. 3 is a voltage waveform diagram when driving a load at the voltage dividing point P. (TR 1) ... oscillation transistor, (T) ... oscillation transformer, (D 1) ... DC voltage, (TI) ... transistor inverter, (B) ... battery, (M) ... load, (R 5) (ZD 2 )
(R 9 ) (ZD 1 ) ... reference voltage circuit, (P) ... dividing point, (PU
T) ... Control element with gate, (S) ... Switching means.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】発振用トランジスタ及び発振用トランスを
有し直流電圧の駆動により発振を行うトランジスタイン
バータと、トランジスタインバータの発振出力により充
電される被充電用電池と、該電池にスイッチング手段を
介して並列に接続される負荷とを具備する充電装置にお
いて、前記直流電圧の両端間に介挿される抵抗及び基準
電圧素子からなる基準電圧回路と、該基準電圧回路の分
圧点電圧と前記被充電用電池の電池電圧とを比較し、前
記発振用トランジスタのベース電流を制御するプログラ
マブルユニジャンクショントランジスタとを設けると共
に、前記スイッチング手段のオン動作に連動して前記分
圧点電圧の波高値を調整することを特徴とする充電装
置。
1. A transistor inverter having an oscillating transistor and an oscillating transformer to oscillate by driving a DC voltage, a battery to be charged which is charged by an oscillating output of the transistor inverter, and the battery via a switching means. In a charging device including a load connected in parallel, a reference voltage circuit including a resistance and a reference voltage element inserted between both ends of the DC voltage, a voltage dividing point of the reference voltage circuit, and the charging target A programmable unijunction transistor that compares the battery voltage of the battery and controls the base current of the oscillation transistor is provided, and the peak value of the voltage dividing point voltage is adjusted in conjunction with the ON operation of the switching means. Charging device characterized by.
JP1987073166U 1987-05-15 1987-05-15 Charger Expired - Lifetime JPH079566Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987073166U JPH079566Y2 (en) 1987-05-15 1987-05-15 Charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987073166U JPH079566Y2 (en) 1987-05-15 1987-05-15 Charger

Publications (2)

Publication Number Publication Date
JPS63182640U JPS63182640U (en) 1988-11-24
JPH079566Y2 true JPH079566Y2 (en) 1995-03-06

Family

ID=30917257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987073166U Expired - Lifetime JPH079566Y2 (en) 1987-05-15 1987-05-15 Charger

Country Status (1)

Country Link
JP (1) JPH079566Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117650U (en) * 1984-01-17 1985-08-08 三洋電機株式会社 charging device

Also Published As

Publication number Publication date
JPS63182640U (en) 1988-11-24

Similar Documents

Publication Publication Date Title
US4866590A (en) Supply having a load invariant auxiliary power supply supplied from a main transformer and a current suppressing inductor
JP2003047179A (en) Contactless electric power transmission device
JPH079566Y2 (en) Charger
JP3613731B2 (en) No-load power-saving power supply
JPH0631680Y2 (en) Discharge lamp lighting device
JP3584606B2 (en) RCC switching system power supply circuit
JPH0834675B2 (en) Charger
JPH0713431Y2 (en) Power supply circuit
JP3192859B2 (en) Power supply
JP2566289B2 (en) Charging circuit
JP3005228B2 (en) Charging circuit
JPH043553Y2 (en)
JP3202044B2 (en) Power supply
JPH0721068Y2 (en) Inverter charging device
JP3198592B2 (en) Remote control relay controller
JP2604263B2 (en) Magnetron drive
JP2744059B2 (en) Charger charge control circuit
JPS6348282Y2 (en)
JPS6015400Y2 (en) Electric circuit device with inrush current limiting circuit
JPS61249685A (en) Switching regulator
JPS6022693Y2 (en) horizontal output device
JPH0619328Y2 (en) Switching power supply
JP2545436Y2 (en) Battery driven welding equipment
JPS5834500Y2 (en) switching circuit
JPS6213434Y2 (en)