CN204992729U - Safe automatic stop charger - Google Patents
Safe automatic stop charger Download PDFInfo
- Publication number
- CN204992729U CN204992729U CN201520770533.8U CN201520770533U CN204992729U CN 204992729 U CN204992729 U CN 204992729U CN 201520770533 U CN201520770533 U CN 201520770533U CN 204992729 U CN204992729 U CN 204992729U
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- China
- Prior art keywords
- diode
- electric capacity
- potentiometer
- connects
- transient voltage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a safe automatic stop charger, restrain diode DW, potentiometre RP1 and transformer W including electric capacity C1, transient voltage, electric capacity C1's one end connecting resistance R1 and 220V alternating current, electric capacity C1's other end connecting resistance R1's the other end, the port 1 that transient voltage restraines diode DW and rectifier bridge T, rectifier bridge T's port 3 is connected transient voltage and is restrained diode DW's the other end and the other end of 220V alternating current. The utility model discloses safe automatic stop charger circuit structure is simple, components and parts are few, has increased charge automatic stop and voltage control function on the basis of ordinary charger, can be applicable to multiple rechargeable battery, effectively prevents overcharging of battery moreover, still increase simultaneously the current regulator diode and restrain the diode with transient voltage and as the stable element, increase charging voltage and charging current's stability, therefore have application range extensively, the advantage of stable performance and saving electric energy.
Description
Technical field
The utility model relates to a kind of charger, specifically a kind of safe automatic stop 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, secondly after a lot of people is finished charger, custom is taken charging load away and forgets and pull up charger, cause waste of energy equally, city's electro-mechanical wave also can cause larger damage to storage battery simultaneously, and the most scope of application of existing charger is little, single voltage can only be exported, and less stable, thus reduce its life-span.
Utility model content
The purpose of this utility model is to provide a kind of safe automatic stop charger, 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 safe automatic stop charger, comprise electric capacity C1, transient voltage suppressor diode DW, potentiometer RP1 and transformer W, one end contact resistance R1 of described electric capacity C1 and 220V alternating current, the other end of the other end contact resistance R1 of electric capacity C1, the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T and electric capacity C1, the other end of resistance R1 connects the anode of unidirectional thyristor Q1, the other end of electric capacity C1 connects electric capacity C2, the anode of diode D2, voltmeter V, the negative pole of rechargeable battery E, the port 4 of rectifier bridge T and the winding N1 of transformer W, the negative electrode of unidirectional thyristor Q1 connects the anode of diode D1, the winding N2 of transformer W, the other end of voltmeter V and current regulator diode P, the negative electrode of diode D1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the negative electrode of another stiff end link diode D2 of potentiometer RP1, the emitter of electric capacity C2 and double base diode Q2, the other end of the winding N1 of the first base stage connection transformer W of double base diode Q2, second base stage of double base diode Q2 connects another stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the other end of the winding N2 of transformer W connects the control pole of unidirectional thyristor Q1, the other end of current regulator diode P connects the positive pole of rechargeable battery E.
As preferred version of the present utility model: the model of described transient voltage suppressor diode DW is SAMJ15A.
Compared with prior art, the beneficial effects of the utility model are: the utility model safe automatic stop charger circuit structure is simple, components and parts are few, the basis of common charger adds charging automatic stop and voltage-regulation function, multiple rechargeable battery can be applicable to, and effectively prevent the overcharge of battery, also increase current regulator diode and transient voltage suppressor diode as stable element simultaneously, increase the stability of charging voltage and charging current, therefore have that the scope of application is wide, the advantage of stable performance and saves energy.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of safe automatic stop 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 safe automatic stop charger, comprise electric capacity C1, transient voltage suppressor diode DW, potentiometer RP1 and transformer W, one end contact resistance R1 of described electric capacity C1 and 220V alternating current, the other end of the other end contact resistance R1 of electric capacity C1, the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T and electric capacity C1, the other end of resistance R1 connects the anode of unidirectional thyristor Q1, the other end of electric capacity C1 connects electric capacity C2, the anode of diode D2, voltmeter V, the negative pole of rechargeable battery E, the port 4 of rectifier bridge T and the winding N1 of transformer W, the negative electrode of unidirectional thyristor Q1 connects the anode of diode D1, the winding N2 of transformer W, the other end of voltmeter V and current regulator diode P, the negative electrode of diode D1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the negative electrode of another stiff end link diode D2 of potentiometer RP1, the emitter of electric capacity C2 and double base diode Q2, the other end of the winding N1 of the first base stage connection transformer W of double base diode Q2, second base stage of double base diode Q2 connects another stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the other end of the winding N2 of transformer W connects the control pole of unidirectional thyristor Q1, the other end of current regulator diode P connects the positive pole of rechargeable battery E.
The model of transient voltage suppressor diode DW is SAMJ15A.
Operation principle of the present utility model is: the resistance R1 in circuit, electric capacity C1, electric capacity C2, transient voltage suppressor diode DW and rectifier bridge T forms power circuit, 220V alternating current becomes galvanic current to circuit supply after power circuit, wherein electric capacity C1 and resistance R1 step-down, rectifier bridge T rectification, electric capacity C2 is used for filtering, transient voltage suppressor diode DW is used for the peak voltage in clamper 220V alternating current, guarantee the stability of output voltage, C2 in circuit and potentiometer RP1, double base diode Q2 forms relaxation oscillator, when not connecing rechargeable battery in circuit, oscillator not starting of oscillation, therefore unidirectional thyristor Q1 is in cut-off state, circuit does not work, thus effectively prevent the waste of electric energy, after access battery, oscillator operation, thus trigger unidirectional thyristor Q1 conducting, to rechargeable battery powered, regulator potentiometer RP2 can change the angle of flow of unidirectional thyristor Q1, and then reach the object regulating charging voltage, multiple rechargeable battery can be applicable to, when cell voltage is full of, diode D2 reverse-conducting, oscillator is shorted and quits work, thus reach the object of charging automatic stop.
Claims (2)
1. a safe automatic stop charger, comprise electric capacity C1, transient voltage suppressor diode DW, potentiometer RP1 and transformer W, it is characterized in that, contact resistance R1 one end, one end of described electric capacity C1 and 220V alternating current, the other end of the other end contact resistance R1 of electric capacity C1, the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of transient voltage suppressor diode DW and the other end of 220V alternating current, the port 2 contact resistance R1 of rectifier bridge T and electric capacity C1, the other end of resistance R1 connects the anode of unidirectional thyristor Q1, the other end of electric capacity C1 connects electric capacity C2, the anode of diode D2, voltmeter V, the negative pole of rechargeable battery E, the port 4 of rectifier bridge T and the winding N1 of transformer W, the negative electrode of unidirectional thyristor Q1 connects the anode of diode D1, the winding N2 of transformer W, the other end of voltmeter V and current regulator diode P, the negative electrode of diode D1 connects a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the negative electrode of another stiff end link diode D2 of potentiometer RP1, the emitter of electric capacity C2 and double base diode Q2, the other end of the winding N1 of the first base stage connection transformer W of double base diode Q2, second base stage of double base diode Q2 connects another stiff end of potentiometer RP2 and the sliding end of potentiometer RP2, the other end of the winding N2 of transformer W connects the control pole of unidirectional thyristor Q1, the other end of current regulator diode P connects the positive pole of rechargeable battery E.
2. the safe automatic stop charger of one according to claim 1, is characterized in that, the model of described transient voltage suppressor diode DW is SAMJ15A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770533.8U CN204992729U (en) | 2015-09-30 | 2015-09-30 | Safe automatic stop charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520770533.8U CN204992729U (en) | 2015-09-30 | 2015-09-30 | Safe automatic stop charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992729U true CN204992729U (en) | 2016-01-20 |
Family
ID=55127056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520770533.8U Expired - Fee Related CN204992729U (en) | 2015-09-30 | 2015-09-30 | Safe automatic stop charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992729U (en) |
-
2015
- 2015-09-30 CN CN201520770533.8U patent/CN204992729U/en not_active Expired - Fee Related
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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: 20160120 Termination date: 20160930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |