CN206117272U - Computer battery intelligence protection circuit - Google Patents

Abstract

The utility model discloses a computer battery intelligence protection circuit, including relay J, potentiometre RP1, diode D1, triode VT1 and electric capacity C2, the potentiometre RP1 one end VCC that connects respectively, the anodal summation potential ware RP1 gleitbretter of diode D1, the potentiometre RP1 other end is connecting resistance R3 and triode VT1 base respectively, triode VT3 base is connected to triode VT1 projecting pole, triode VT3 projecting pole connecting resistance R4, triode VT1 collecting electrode is connected respectively to triode VT3 collecting electrode, electric capacity C3, relay J contact switch J 2, the storage battery E negative pole, resistance R2, electric capacity C2 and resistance R6, relay J contact switch J 2 other end connecting resistance R5. The utility model discloses though computer battery intelligence protection circuit's circuit is simple, but there is constant current charging, the heavy current quick charge that charging current is adjustable, be full of the automatic function such as trickle charge that changes over to over to, can effectively plays the effect that promotes computer battery life, protection battery.

Description

A kind of computer battery intelligent protection circuit

Technical field

This utility model is related to a kind of protection circuit, specifically a kind of computer battery intelligent protection circuit.

Background technology

With the development of science and technology, computer has become the necessary of people's life, and accumulator longevity of notebook computer Life and the safety charged are the emphasis of all big enterprises' concern.

Utility model content

The purpose of this utility model is to provide a kind of computer battery intelligent protection electricity for lifting the computer battery life-span Road, to solve the problems, such as above-mentioned background technology in propose.

For achieving the above object, this utility model provides following technical scheme：

A kind of computer battery intelligent protection circuit, including relay J, potentiometer RP1, diode D1, audion VT1 and Electric capacity C2, described potentiometer RP1 one end connects respectively power supply VCC, diode D1 positive poles and potentiometer RP1 slide plates, potentiometer RP1 The other end connects respectively resistance R3 and audion VT1 base stages, audion VT1 emitter stage connecting triode VT3 base stages, audion VT3 emitter stages connect resistance R4, audion VT3 colelctor electrodes difference connecting triode VT1 colelctor electrodes, electric capacity C3, relay J contacts Switch J-2, accumulator battery E negative pole, resistance R2, electric capacity C2 and resistance R6, relay J contact switch J-2 other ends connection resistance R5, the resistance R5 other end connects respectively the resistance R4 other ends and the resistance R3 other ends, and the electric capacity C3 other ends connect respectively two Pole pipe D1 negative pole and diode D6 positive poles, diode D6 negative poles connect respectively diode D2 positive poles and accumulator battery E positive pole, two poles Pipe D2 negative poles connect respectively resistance R7, relay J coils and diode D3 negative poles, and diode D3 positive poles connect respectively relay J The coil other end and audion VT2 colelctor electrodes, audion VT2 emitter stages connect respectively the electric capacity C2 other ends and resistance R6 is another End, audion VT2 base stages connect respectively the resistance R2 other ends and the resistance R7 other ends.

As this utility model further scheme：The power supply VCC voltages are 12V.

Compared with prior art, the beneficial effects of the utility model are：This utility model computer battery intelligent protection electricity Although the circuit on road is simple, have constant-current charge, charging current it is adjustable, can high current quick charge, full of proceeding to trickle automatically Charge etc. function, can the General Promotion computer battery life-span, play a part of protect battery.

Description of the drawings

Fig. 1 is the circuit diagram of computer battery intelligent protection circuit.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

Fig. 1 is referred to, in this utility model embodiment, a kind of computer battery intelligent protection circuit, including relay J, Potentiometer RP1, diode D1, audion VT1 and electric capacity C2, described potentiometer RP1 one end connects respectively power supply VCC, diode D1 positive poles and potentiometer RP1 slide plates, the potentiometer RP1 other ends connect respectively resistance R3 and audion VT1 base stages, audion VT1 Emitter stage connecting triode VT3 base stages, audion VT3 emitter stages connection resistance R4, audion VT3 colelctor electrodes connect respectively three poles Pipe VT1 colelctor electrodes, electric capacity C3, relay J contact switch J-2, accumulator battery E negative pole, resistance R2, electric capacity C2 and resistance R6, after The electrical equipment J contact switch J-2 other ends connect resistance R5, and the resistance R5 other ends connect respectively the resistance R4 other ends and resistance R3 is another End, the electric capacity C3 other ends connect respectively diode D1 negative poles and diode D6 positive poles, and diode D6 negative poles connect respectively two Pole pipe D2 positive pole and accumulator battery E positive pole, diode D2 negative poles connect respectively resistance R7, relay J coils and diode D3 and bear Pole, diode D3 positive poles connect respectively the relay J coils other end and audion VT2 colelctor electrodes, audion VT2 emitter stages difference The connection electric capacity C2 other ends and the resistance R6 other ends, audion VT2 base stages connect respectively the resistance R2 other ends and resistance R7 is another End；The power supply VCC voltages are 12V.

Accumulator E is built-in computer lithium battery, and power supply VCC is that 220V electric mains are obtained Jing after Transformer Rectifier filtering, After switching on power in charging process, potentiometer RP1, resistance R3, diode D1 and audion VT1 composition tabilized current power supply is adjusted Potentiometer RP1 can make charging current continuously adjustabe, resistance R2, resistance R7, audion VT2 and relay J composition voltage detecting electricity Road, in charging process when cell voltage gradually rises reaches setting value, audion VT2 saturation conductions, relay J obtains electric suction Close, contact switch J-2 conversions position makes resistance R5 that the trickle of about 100mA or so is carried out to accumulator battery E by charge circuit is accessed Charge, the resistance for changing resistance R5 just can adjust the size of trickle current, and the effect of electric capacity C2 is, using its charging current, to accelerate The conducting speed of audion VT2, lifts the response speed of relay J.

Claims (2)

1. a kind of computer battery intelligent protection circuit, including relay J, potentiometer RP1, diode D1, audion VT1 and electricity Hold C2, it is characterised in that described potentiometer RP1 one end connects respectively power supply VCC, diode D1 positive poles and potentiometer RP1 slide plates, The potentiometer RP1 other ends connect respectively resistance R3 and audion VT1 base stages, audion VT1 emitter stage connecting triode VT3 bases Pole, audion VT3 emitter stages connection resistance R4, audion VT3 colelctor electrodes difference connecting triode VT1 colelctor electrodes, electric capacity C3, after Electrical equipment J contact switch J-2, accumulator battery E negative pole, resistance R2, electric capacity C2 and resistance R6, the relay J contact switch J-2 other ends Connection resistance R5, the resistance R5 other ends connect respectively the resistance R4 other ends and the resistance R3 other ends, the electric capacity C3 other ends point Not Lian Jie diode D1 negative poles and diode D6 positive poles, diode D6 negative poles connect respectively diode D2 positive poles and accumulator battery E Positive pole, diode D2 negative poles connect respectively resistance R7, relay J coils and diode D3 negative poles, and diode D3 positive poles connect respectively The contact relay J coils other end and audion VT2 colelctor electrodes, audion VT2 emitter stages connect respectively the electric capacity C2 other ends and electricity The resistance R6 other ends, audion VT2 base stages connect respectively the resistance R2 other ends and the resistance R7 other ends.

2. computer battery intelligent protection circuit according to claim 1, it is characterised in that the power supply VCC voltages are 12V。