CN205657476U

CN205657476U - Battery safety pressure regulating charger

Info

Publication number: CN205657476U
Application number: CN201620449476.8U
Authority: CN
Inventors: 范师闻
Original assignee: Heilongjiang University
Current assignee: Heilongjiang University
Priority date: 2016-05-16
Filing date: 2016-05-16
Publication date: 2016-10-19
Anticipated expiration: 2026-05-16

Abstract

The utility model discloses a battery safety pressure regulating charger, including transformer W, rectifier bridge T, diode D1 and triode V1, the both ends of 220V alternating current are connected respectively at transformer W's winding N1's both ends, and rectifier bridge T's port 3 is connected to transformer W's winding N2's one end, are transformer W's winding N3 and relay K's contact K connected to transformer W's winding N2's the other end 1 motionless end B. The utility model discloses battery safety pressure regulating charger simple structure, components and parts are few, adopt the polyphase transformer to combine the relay to form the intelligent voltage adjustment circuit, can effectively avoid the excessive pressure to damage, and the circuit can also effectively prevent the circumstances of overcharging simultaneously, have consequently that the function is various, control is accurate and convenient to use's advantage.

Description

A kind of storage battery safety pressure regulation charger

Technical field

This utility model relates to a kind of charger, specifically a kind of storage battery safety pressure regulation charger.

Background technology

Rechargeable battery is a kind of conventional article in people's daily life, a lot of portable mobile equipments all can use rechargeable battery, and battery itself has certain discharge and recharge number of times, general battery only has 2～3 years, therefore battery is after fully charged, if charger can not be pulled out in time or closes power supply, not only result in great waste of energy, but also the service life of battery can be reduced significantly, the most existing charger also cannot adapt to changeable line voltage, easily produce overvoltage to damage, therefore need to be improved.

Utility model content

The purpose of this utility model is to provide a kind of storage battery safety pressure regulation charger, with the problem solving to propose in above-mentioned background technology.

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

nullA kind of storage battery safety pressure regulation charger，Including transformator W、Rectifier bridge T、Diode D1 and audion V1，The two ends of the winding N1 of described transformator W connect the two ends of 220V alternating current respectively，One end of the winding N2 of transformator W connects the port 3 of rectifier bridge T，The winding N3 of the other end connection transformer W of the winding N2 of transformator W and the not moved end B of the contact K-1 of relay K，The other end of the winding N3 of transformator W connects the not moved end A of the contact K-1 of relay K，The moved end of the contact K-1 of relay K connects the port 1 of rectifier bridge T，The port 2 of rectifier bridge T connects the negative electrode of diode D1、Resistance R4、Relay K and the emitter stage of audion V3，The anode of diode D1 connects resistance R2、Electric capacity C1 and the base stage of audion V4，The other end of resistance R2 connects the other end of electric capacity C1、The emitter stage of audion V4、The anode of three end adjustable reference source P、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The positive pole of accumulator E and the port 4 of rectifier bridge T，The other end of resistance R4 connects resistance R1、Resistance R3 and the colelctor electrode of audion V1，The base stage of audion V3 connects the other end of resistance R3，The other end of resistance R1 connects negative electrode and the base stage of audion V1 of three end adjustable reference source P，The reference pole of three end adjustable reference source P connects the sliding end of potentiometer RP1，The emitter stage of audion V1 connects another fixing end and emitter stage of audion V2 of potentiometer PR1，The base stage of audion V2 connects a fixing end of potentiometer RP2 and another fixing end of potentiometer RP2，The colelctor electrode of audion V3 connects resistance R5，The other end of resistance R5 connects the anode of diode D2，The colelctor electrode of the negative electrode connecting triode V2 of diode D2 and the positive pole of accumulator E.

As preferred version of the present utility model: described diode D2 is light emitting diode.

As preferred version of the present utility model: the model of described three end adjustable reference source P is TL431.

Compared with prior art, the beneficial effects of the utility model are: this utility model storage battery safety pressure regulation charger construction is simple, components and parts are few, polyphase transformer is used to combine relay composition intelligent pressure regulating circuit, overvoltage can be prevented effectively from damage, circuit can also effectively prevent the situation of overcharge simultaneously, therefore has diverse in function, controls advantage accurate and easy to use.

Accompanying drawing explanation

Fig. 1 is the circuit diagram of storage battery safety pressure regulation charger.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

nullRefer to Fig. 1，A kind of storage battery safety pressure regulation charger，Including transformator W、Rectifier bridge T、Diode D1 and audion V1，The two ends of the winding N1 of described transformator W connect the two ends of 220V alternating current respectively，One end of the winding N2 of transformator W connects the port 3 of rectifier bridge T，The winding N3 of the other end connection transformer W of the winding N2 of transformator W and the not moved end B of the contact K-1 of relay K，The other end of the winding N3 of transformator W connects the not moved end A of the contact K-1 of relay K，The moved end of the contact K-1 of relay K connects the port 1 of rectifier bridge T，The port 2 of rectifier bridge T connects the negative electrode of diode D1、Resistance R4、Relay K and the emitter stage of audion V3，The anode of diode D1 connects resistance R2、Electric capacity C1 and the base stage of audion V4，The other end of resistance R2 connects the other end of electric capacity C1、The emitter stage of audion V4、The anode of three end adjustable reference source P、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The positive pole of accumulator E and the port 4 of rectifier bridge T，The other end of resistance R4 connects resistance R1、Resistance R3 and the colelctor electrode of audion V1，The base stage of audion V3 connects the other end of resistance R3，The other end of resistance R1 connects negative electrode and the base stage of audion V1 of three end adjustable reference source P，The reference pole of three end adjustable reference source P connects the sliding end of potentiometer RP1，The emitter stage of audion V1 connects another fixing end and emitter stage of audion V2 of potentiometer PR1，The base stage of audion V2 connects a fixing end of potentiometer RP2 and another fixing end of potentiometer RP2，The colelctor electrode of audion V3 connects resistance R5，The other end of resistance R5 connects the anode of diode D2，The colelctor electrode of the negative electrode connecting triode V2 of diode D2 and the positive pole of accumulator E.

Diode D2 is light emitting diode.The model of three end adjustable reference source P is TL431.

nullOperation principle of the present utility model is: circuit uses polyphase transformer W，Diode D1、Audion V4、The element composition intelligent pressure regulating circuit such as relay K，In the case of line voltage is normal，The contact K-1 of relay K connects not moved end A，Now the winding N1-N3 of transformator W accesses circuit，220V civil power is through transformator transformator、DC voltage is exported after rectifier bridge T rectification，Normal line voltage is not enough so that diode D1 turns on after blood pressure lowering，Therefore audion V4 cut-off，Relay K is failure to actuate，When running into mains supply over-voltage，Diode D1 turns on，Audion V4 base stage obtains electric，Relay K adhesive，Now contact K-1 connects not moved end B，The winding N1-N2 of transformator RP accesses circuit，Its secondary end winding reduces，Reach the purpose of blood pressure lowering，Electric capacity C1 causes the misoperation of circuit for preventing the voltage jump of short time，Return charging circuit from the voltage of port 2 output of rectifier bridge T to power，Wherein R1、V1、RP1、P forms accurate adjustable mu balanced circuit，V2、RP2、R2 constitutes adjustable constant-flow circuit，V3、R3、R4、R5、D2 is charging indication.Along with being electrically charged the rising of cell voltage, charging current will be gradually reduced, and after battery is full of, the pressure drop on R4 will reduce, so that V3 cut-off, D2 will extinguish.

It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.

In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.

Claims

null1. a storage battery safety pressure regulation charger，Including transformator W、Rectifier bridge T、Diode D1 and audion V1，It is characterized in that，The two ends of the winding N1 of described transformator W connect the two ends of 220V alternating current respectively，One end of the winding N2 of transformator W connects the port 3 of rectifier bridge T，The winding N3 of the other end connection transformer W of the winding N2 of transformator W and the not moved end B of the contact K-1 of relay K，The other end of the winding N3 of transformator W connects the not moved end A of the contact K-1 of relay K，The moved end of the contact K-1 of relay K connects the port 1 of rectifier bridge T，The port 2 of rectifier bridge T connects the negative electrode of diode D1、Resistance R4、Relay K and the emitter stage of audion V3，The anode of diode D1 connects resistance R2、Electric capacity C1 and the base stage of audion V4，The other end of resistance R2 connects the other end of electric capacity C1、The emitter stage of audion V4、The anode of three end adjustable reference source P、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The positive pole of accumulator E and the port 4 of rectifier bridge T，The other end of resistance R4 connects resistance R1、Resistance R3 and the colelctor electrode of audion V1，The base stage of audion V3 connects the other end of resistance R3，The other end of resistance R1 connects negative electrode and the base stage of audion V1 of three end adjustable reference source P，The reference pole of three end adjustable reference source P connects the sliding end of potentiometer RP1，The emitter stage of audion V1 connects another fixing end and emitter stage of audion V2 of potentiometer PR1，The base stage of audion V2 connects a fixing end of potentiometer RP2 and another fixing end of potentiometer RP2，The colelctor electrode of audion V3 connects resistance R5，The other end of resistance R5 connects the anode of diode D2，The colelctor electrode of the negative electrode connecting triode V2 of diode D2 and the positive pole of accumulator E.
A kind of storage battery safety pressure regulation charger the most according to claim 1, it is characterised in that described diode D2 is light emitting diode.
A kind of storage battery safety pressure regulation charger the most according to claim 1, it is characterised in that the model of described three end adjustable reference source P is TL431.