CN202616850U

CN202616850U - Storage battery charger

Info

Publication number: CN202616850U
Application number: CN2012202561469U
Authority: CN
Inventors: 宋新林; 李建民; 王峰; 王洪进; 杜峰
Original assignee: 宋新林
Priority date: 2012-06-01
Filing date: 2012-06-01
Publication date: 2012-12-19
Anticipated expiration: 2022-06-01

Abstract

The utility model relates to a storage battery charging device, in particular to a storage battery charger. Its technical scheme is: mainly composed of power switch, fuse, primary winding of transformer, rectifier bridge, trigger circuit, thyristor and resistance-capacitance absorption circuit to form charger voltage regulation circuit; secondary winding of transformer, bridge pile, ammeter , and a voltmeter are connected to form a battery charging circuit. The 220V power supply is added to the rectifier bridge through the fuse and the original winding of the transformer. After being rectified by the diode, the pulsating direct current is output to supply the follow-up thyristor. The secondary winding voltage of the transformer is rectified by the bridge stack. , output a pulsating full-wave DC to charge the battery. The beneficial effect is that the circuit design is simple, the manufacturing is easy and the cost is low; the adjustment operation is simple and convenient, saving time and labor; the charging current is large, and fast charging can be realized; high and low voltage isolation, high safety and the like.

Description

Battery charger

Technical field

The utility model relates to a kind of battery charging plant, particularly a kind of battery charger.

Background technology

The charging of lead acid accumulator and maintenance-free lead accumulator generally is to accomplish through charger; Like automobile, motorcycle battery charging, the past, the general mode of popular adjusting transformer auxiliary winding output voltage that adopts was regulated the charge in batteries electric current, and the problem of its existence is: its complex circuit designs; Manufacturing cost is higher; Regulate operation and be not easy, and, make problems such as overcharge of a battery easily.

Summary of the invention

The purpose of the utility model is exactly the above-mentioned defective that exists to prior art, provides a kind of circuit design succinct, the battery charger that cost easy to manufacture is low.

Its technical scheme is: mainly primary winding, rectifier bridge, circuits for triggering, controllable silicon and the capacitance-resistance absorption circuit by mains switch, fuse, transformer connects to form the charger voltage regulator circuit; Auxiliary winding, Qiao Dui, ammeter, voltmeter by transformer connect to form battery charging circuit, and the 220V power supply is added on the rectifier bridge through the primary winding of fuse, transformer, and through diode rectification, the direct current of output ripple is supplied with follow-up controllable silicon and used; The auxiliary winding voltage of transformer is piled rectification through bridge, and the full-wave direct current of a pulsation of output is supplied with charge in batteries.

Above-mentioned circuits for triggering are connected to form by first resistance, potentiometer, diac, first electric capacity.

Above-mentioned capacitance-resistance absorption circuit is connected to form by second electric capacity and second resistance.

The beneficial effect of the utility model is: it is succinct to have circuit design, and cost easy to manufacture is low; Regulate easy and simple to handle, time saving and energy saving; Charging current is big, can realize quick charge; High-low pressure is isolated, characteristics such as fail safe height.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Among the last figure: mains switch S, fuse RD, transformer T, first resistance R 1, potentiometer RW, diode V1-V4, diac V5, first capacitor C 1, controllable silicon SCR, second capacitor C 2, second resistance R 2, bridge heap QL, ammeter A, voltmeter V, storage battery E.

Embodiment

In conjunction with accompanying drawing 1, the utility model is done further to describe:

The utility model mainly connects to form the charger voltage regulator circuit by primary winding, rectifier bridge, circuits for triggering, controllable silicon SCR and the capacitance-resistance absorption circuit of mains switch S, fuse RD, transformer T; Auxiliary winding, bridge heap QL, ammeter A, voltmeter V by transformer T connect to form battery charging circuit; The 220V power supply is added on the rectifier bridge of diode V1-V4 composition through the primary winding of fuse RD, transformer; Through diode V1, V2, V3 and V4 rectification; The direct current of output ripple is supplied with follow-up controllable silicon SCR and is used; The auxiliary winding voltage of transformer T is through bridge heap QL rectification, and the full-wave direct current of a pulsation of output is supplied with storage battery E charging.

Wherein, circuits for triggering are connected to form by first resistance R 1, potentiometer RW, diac V5, first capacitor C 1; The capacitance-resistance absorption circuit is connected to form by second capacitor C 2 and second resistance R 2.

Operation principle is: closed charging source switch S, and the 220V power supply is added on the rectifier bridge of diode V1-V4 composition through the primary winding of fuse RD, transformer T, and through diode V1-V4 rectification, the direct current of output ripple is supplied with follow-up controllable silicon SCR and is used.The size of controllable silicon SCR trigger current is determined by the dividing potential drop on the potentiometer RW; Adjusting RW can change the trigger current size of the control utmost point G of SCR; Changed the charging constant of C1, that is also changed the silicon controlled angle of flow, made the transformer primary winding voltage controlled; Reach and regulate the transformer primary winding voltage, thereby realize changing the purpose of charging current size.After primary winding voltage changed, auxiliary winding voltage changed thereupon, and through bridge heap QL rectification, the full-wave direct current of a pulsation of output is supplied with charge in batteries.

Claims

1. battery charger is characterized in that: mainly primary winding, rectifier bridge, circuits for triggering, controllable silicon and the capacitance-resistance absorption circuit by mains switch, fuse, transformer connects to form the charger voltage regulator circuit; Auxiliary winding, Qiao Dui, ammeter, voltmeter by transformer connect to form battery charging circuit, and the 220V power supply is added on the rectifier bridge through the primary winding of fuse, transformer, and through diode rectification, the direct current of output ripple is supplied with follow-up controllable silicon and used; The auxiliary winding voltage of transformer is piled rectification through bridge, and the full-wave direct current of a pulsation of output is supplied with charge in batteries.

2. battery charger according to claim 1 is characterized in that: described circuits for triggering are connected to form by first resistance, potentiometer, diac, first electric capacity.

3. battery charger according to claim 1 is characterized in that: described capacitance-resistance absorption circuit is connected to form by second electric capacity and second resistance.