JPS59107547U

JPS59107547U - charging circuit

Info

Publication number: JPS59107547U
Application number: JP1983001180U
Authority: JP
Inventors: 正司青井
Original assignee: 九州日立マクセル株式会社
Priority date: 1983-01-07
Filing date: 1983-01-07
Publication date: 1984-07-19
Also published as: JPH0321178Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案を実施した一例を示す外観斜視図、第２
図は電気回路図、第３図ａおよびｂは充電状況を示す説
明図である。第４図および第５図は他の実施例であって
、第４図は電気回路図、第５図ａおよびｂは充電状況を
示す説明図である。６・・・充電池、９・・・主電池、１０・・・補助電池
、１９・・・商用交流電源、２０・・・整流回路、２１
・・・インバータ回路、２２・・・交流充電電源、２３
・・・トランス、２４・・・整流部。Fig. 1 is an external perspective view showing an example of implementing the present invention;
The figure is an electric circuit diagram, and FIGS. 3a and 3b are explanatory diagrams showing charging conditions. FIGS. 4 and 5 show other embodiments, in which FIG. 4 is an electric circuit diagram, and FIGS. 5a and 5b are explanatory diagrams showing charging conditions. 6... Rechargeable battery, 9... Main battery, 10... Auxiliary battery, 19... Commercial AC power supply, 20... Rectifier circuit, 21
... Inverter circuit, 22 ... AC charging power supply, 23
...Transformer, 24... Rectifier section.

Claims

[Scope of utility model registration request]

(1) A rectifier circuit 20 that smoothes the commercial AC power source 19, an inverter circuit 21 that is driven by the voltage output from the rectifier circuit 20 and outputs an AC voltage with a higher frequency than the commercial AC power source 19, and a battery capacity It is equipped with a rechargeable battery 6 consisting of a large main battery 9 and an auxiliary battery 10 having a smaller battery capacity than the main battery 9. The main battery 9 is connected to the output side of an inverter circuit 21, and the output current from the inverter circuit 21 is used mainly to generate electricity. A charging circuit characterized in that, while charging, an auxiliary battery 10 is interposed on the input side of an inverter circuit 21 and is charged by the drive current of the circuit 21.

(2) The inverter circuit 21 controls the transistor 32 to turn on and off, thereby causing current to flow through the primary coil 35 of the transformer 23 interposed in the collector circuit of the transistor 32, and to supply the secondary coil 27 of the transformer 23 with a predetermined amount of current. The charging circuit according to claim 1, which generates a charging voltage of .

(3) The main battery 9 and the auxiliary battery 10 are connected in series and interposed in the emitter circuit of the transistor 32, and both ends of the main battery 9 are connected to a transformer via a diode 25 that is energized during the off period of the transistor The charging circuit according to claim 2, which is connected to both ends of the secondary coil 27 of 23.