CN204928253U - Low -cost energy -conserving charger - Google Patents
Low -cost energy -conserving charger Download PDFInfo
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- CN204928253U CN204928253U CN201520640588.7U CN201520640588U CN204928253U CN 204928253 U CN204928253 U CN 204928253U CN 201520640588 U CN201520640588 U CN 201520640588U CN 204928253 U CN204928253 U CN 204928253U
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- rectifier bridge
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- transformer
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Abstract
The utility model discloses a low -cost energy -conserving charger, including rectifier bridge T, resistance R1, triode V1 and chip IC1, diode D1's positive pole and transformer W's winding N2 are connected to rectifier bridge T's port 1, and diode D2's negative pole is connected to diode D1's negative pole, diode D2's plus earth, rectifier bridge T's 3 other ends of connecting transformer W's winding N2 of port, transformer W's winding N1's one end connection fuse FU. The utility model discloses low -cost energy -conserving charger electric current simple structure, components and parts are few, can be according to the voltage condition intelligent judgment charging process of battery, automatic single open circuit after battery voltage reaches the set upper limit value is less than as battery voltage and will opens automatically when setting for the lower limit value, output voltage is adjustable with the electric current simultaneously, therefore have that the cost of manufacture is hanged down, the advantage of convenient to use, saving electric energy.
Description
Technical field
The utility model relates to a kind of charger, specifically a kind of low-cost energy-saving charger.
Background technology
Rechargeable battery is a kind of conventional article in people's daily life, a lot of portable mobile equipment 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 being full of electricity, if charger or powered-down can not be pulled out in time, not only can cause great waste of energy, but also the useful life of battery can be reduced significantly, charger in the market adopts trickle charge mode mostly, be full of after electricity until battery and enter trickle charge pattern, although saves energy relatively, but whole charging circuit is still in work, therefore quiescent dissipation is higher, and most of charger function is single, matching is poor, therefore need to be improved.
Summary of the invention
The purpose of this utility model is the low-cost energy-saving charger providing a kind of structure simple, easy to use, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of low-cost energy-saving charger, comprise rectifier bridge T, resistance R1, triode V1 and chip IC 1, the port one of described rectifier bridge T connects the anode of diode D1 and the winding N2 of transformer W, the negative electrode of diode D1 connects the negative electrode of diode D2, the plus earth of diode D2, the other end of the winding N2 of the port 3 connection transformer W of rectifier bridge T, one end of the winding N1 of transformer W connects fuse FU, the other end of fuse FU connects 220V alternating current, the other end of the winding N1 of transformer W connects the contact J-1 of relay J, the other end of the contact J-1 of relay J connects the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T, the pin 1 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1 and the base stage of triode V1, the collector electrode of the pin 3 connecting triode V1 of chip IC 1, the emitter contact resistance R2 of triode V1, the pin 2 of chip IC 1 and the positive pole of storage battery E, the other end of resistance R2 connects the negative electrode of diode D3, the anode of diode D3 connects relay J, the other end of electric capacity C1 connects the port 4 of ammeter A and rectifier bridge T, the other end of ammeter A connects the negative pole of storage battery E and the other end of relay J, chip IC 1 is 7805 three terminal regulators.
Compared with prior art, the beneficial effects of the utility model are: the utility model low-cost energy-saving charger current structure is simple, components and parts are few, can according to the voltage condition intelligent decision charging process of storage battery, automatic single open circuit after battery tension reaches capping value, when battery tension can be opened again automatically lower than during preset lower limit, simultaneously output voltage and current adjustment joint, therefore has that cost of manufacture is low, easy to use, the advantage of saves energy.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of low-cost energy-saving charger.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of low-cost energy-saving charger, comprise rectifier bridge T, resistance R1, triode V1 and chip IC 1, the port one of described rectifier bridge T connects the anode of diode D1 and the winding N2 of transformer W, the negative electrode of diode D1 connects the negative electrode of diode D2, the plus earth of diode D2, the other end of the winding N2 of the port 3 connection transformer W of rectifier bridge T, one end of the winding N1 of transformer W connects fuse FU, the other end of fuse FU connects 220V alternating current, the other end of the winding N1 of transformer W connects the contact J-1 of relay J, the other end of the contact J-1 of relay J connects the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T, the pin 1 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1 and the base stage of triode V1, the collector electrode of the pin 3 connecting triode V1 of chip IC 1, the emitter contact resistance R2 of triode V1, the pin 2 of chip IC 1 and the positive pole of storage battery E, the other end of resistance R2 connects the negative electrode of diode D3, the anode of diode D3 connects relay J, the other end of electric capacity C1 connects the port 4 of ammeter A and rectifier bridge T, the other end of ammeter A connects the negative pole of storage battery E and the other end of relay J, chip IC 1 is 7805 three terminal regulators.
Operation principle of the present utility model is: relay J is normally-closed contact relay, plant-grid connection 220V voltage, through transformer W step-down, rectifier bridge T rectification, diode D1 and diode D2 to the peak voltage in electrical network and transformer coupled time produce leakage inductance voltage suppress and eliminate, voltage becomes the base stage that direct current is added in the voltage stabilizing of umbrella end and triode V1 after rectifier bridge T rectification, triode V1 conducting, the c of the three terminal regulator in circuit and triode V1, e interpolar forms a fixing constant-current source, therefore the base current size changing triode V1 can change the voltage swing being added in storage battery E two ends, when storage battery is full of soon, when its both end voltage is higher than rated value, diode D3 is breakdown, relay J conducting, its normally-closed contact J-1 deenergization, prevent storage battery E overshoot, and reduce quiescent dissipation.
Claims (1)
1. a low-cost energy-saving charger, comprise rectifier bridge T, resistance R1, triode V1 and chip IC 1, it is characterized in that, the port one of described rectifier bridge T connects the anode of diode D1 and the winding N2 of transformer W, the negative electrode of diode D1 connects the negative electrode of diode D2, the plus earth of diode D2, the other end of the winding N2 of the port 3 connection transformer W of rectifier bridge T, one end of the winding N1 of transformer W connects fuse FU, the other end of fuse FU connects 220V alternating current, the other end of the winding N1 of transformer W connects the contact J-1 of relay J, the other end of the contact J-1 of relay J connects the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T, the pin 1 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1 connects another stiff end of potentiometer RP1 and the base stage of triode V1, the collector electrode of the pin 3 connecting triode V1 of chip IC 1, the emitter contact resistance R2 of triode V1, the pin 2 of chip IC 1 and the positive pole of storage battery E, the other end of resistance R2 connects the negative electrode of diode D3, the anode of diode D3 connects relay J, the other end of electric capacity C1 connects the port 4 of ammeter A and rectifier bridge T, the other end of ammeter A connects the negative pole of storage battery E and the other end of relay J, chip IC 1 is 7805 three terminal regulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640588.7U CN204928253U (en) | 2015-08-24 | 2015-08-24 | Low -cost energy -conserving charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640588.7U CN204928253U (en) | 2015-08-24 | 2015-08-24 | Low -cost energy -conserving charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928253U true CN204928253U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520640588.7U Expired - Fee Related CN204928253U (en) | 2015-08-24 | 2015-08-24 | Low -cost energy -conserving charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576787A (en) * | 2016-03-08 | 2016-05-11 | 周云侠 | General large-current constant current charger |
-
2015
- 2015-08-24 CN CN201520640588.7U patent/CN204928253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576787A (en) * | 2016-03-08 | 2016-05-11 | 周云侠 | General large-current constant current charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |