JPH0476133U

JPH0476133U -

Info

Publication number: JPH0476133U
Application number: JP11820490U
Authority: JP
Priority date: 1990-11-09
Filing date: 1990-11-09
Publication date: 1992-07-02

Description

[Brief explanation of the drawing]

第１図は本考案の蓄電池の充電器の一実施例の
斜視図、第２図は同じく一実施例の回路図、第３
図は同じく一実施例の充電電流、持続時間Ｔ_１、休止時間Ｔ_２でパルス充電した時の蓄電池電圧
の時間変化特性図を示すもので、イは蓄電池電圧
の時間変化特性図、ロは充電電流、持続時間Ｔ
_１、休止時間Ｔ_２の時間特性図、第４図は同じく
一実施例の温度をパラメータとした残存蓄電量と
充電休止直後の蓄電池電圧Ｖｏｃとの関係を示す
特性図である。１……蓄電池、２……充電器、３……外枠、４
……充電制御回路、５……電圧検出回路、６……
基準電圧発生回路、７……比較回路、８……表示
器、１２……温度補償回路。 FIG. 1 is a perspective view of an embodiment of the storage battery charger of the present invention, FIG. 2 is a circuit diagram of the same embodiment, and FIG.
The figure also shows the charging current and duration T ₁ of one embodiment. , shows the time change characteristic diagram of the storage battery voltage when pulse charging is performed with a rest time T ₂ , A is the time change characteristic diagram of the storage battery voltage, B is the charging current, and the duration time T
_1. A time characteristic diagram of the pause time T2 _. FIG. 4 is a characteristic diagram showing the relationship between the remaining amount of stored electricity and the storage battery voltage Voc immediately after the charging pause, using temperature as a parameter in the same example. 1... Storage battery, 2... Charger, 3... Outer frame, 4
...Charging control circuit, 5...Voltage detection circuit, 6...
Reference voltage generation circuit, 7...Comparison circuit, 8...Display device, 12...Temperature compensation circuit.

Claims

[Scope of Claim for Utility Model Registration] 1. A charger that charges a storage battery, a charging control circuit that charges the storage battery with an intermittent charging current disposed inside the outer frame, and a voltage detection circuit that detects the voltage of the storage battery immediately after charging is stopped. a circuit, a reference voltage generation circuit that generates a reference voltage for calculating the amount of remaining power stored in the storage battery, a comparison circuit that compares the output of the reference voltage generation circuit and the output of the voltage detection circuit to calculate the amount of remaining power stored;
A storage battery charger, characterized in that it is formed with a display that is attached to the surface of the outer frame and visually displays the output of the comparison circuit. 2. The storage battery charger according to claim 1, wherein the charger is connected to the reference voltage generation circuit and is provided with a temperature compensation circuit that corrects the reference voltage based on the temperature of the storage battery or ambient temperature.