CN101997331A - Automatic charger circuit for nickel-cadmium battery - Google Patents
Automatic charger circuit for nickel-cadmium battery Download PDFInfo
- Publication number
- CN101997331A CN101997331A CN2009100130112A CN200910013011A CN101997331A CN 101997331 A CN101997331 A CN 101997331A CN 2009100130112 A CN2009100130112 A CN 2009100130112A CN 200910013011 A CN200910013011 A CN 200910013011A CN 101997331 A CN101997331 A CN 101997331A
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- Prior art keywords
- battery
- triode
- rectifier bridge
- charger circuit
- resistance
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the improvement on a charger circuit structure, in particular to an automatic charger circuit for a nickel-cadmium battery. The invention provides an automatic charger circuit for a nickel-cadmium battery, which automatically charges the battery. The automatic charger circuit comprises a rectifier bridge, resistors, a capacitor, diodes, a triode, a variable capacitor and a battery, and the structural key points of the automatic charger circuit are that: a first resistor is connected in parallel with the capacitor and is connected with an alternating current input end of the rectifier bridge; a positive direct current output end of the rectifier bridge is connected with a collector of the triode, an anode of a fifth diode, and a second resistor respectively; the other end of the second resistor is connected with a cathode of the fifth diode, an anode of the battery, and one end of a variable resistor respectively; an emitter of the triode is connected with a negative direct current output end of the rectifier bridge, the other end of the variable resistor, and a cathode of the battery respectively; and a base of the triode is connected with a sliding end of the variable resistor.
Description
Technical field:
The present invention relates to the improvement of charger circuit structure, relates in particular to a kind of nickel-cadmium cell automatic charger circuit.
Background technology:
Existing charger generally all is common NI-G, ni-mh and lithium battery charger, and these chargers do not possess automatic function to battery charge.
Summary of the invention:
The present invention is exactly at the problems referred to above, and a kind of nickel-cadmium cell automatic charger circuit that has automatic to battery charge is provided.
For achieving the above object, the present invention adopts following technical scheme, the present invention includes rectifier bridge, resistance, electric capacity, diode, triode, variable capacitance and battery, its structural feature first resistance is in parallel and continuous with the ac input end of rectifier bridge with electric capacity, the positive direct-current output of rectifier bridge is respectively with the collector electrode of triode, anodal and second resistance of the 5th diode links to each other, the other end of second resistance is the negative pole of same the 5th diode respectively, an anodal and variable-resistance end of battery links to each other, the emitter of triode is respectively with the negative dc output end of rectifier bridge, the negative pole of the variable-resistance other end and battery links to each other, and the base stage of triode connects variable-resistance sliding end.
Beneficial effect of the present invention:
Because the present invention's first resistance is in parallel and continuous with the ac input end of rectifier bridge with electric capacity, the positive direct-current output of rectifier bridge is respectively with the collector electrode of triode, anodal and second resistance of the 5th diode links to each other, the other end of second resistance is the negative pole of same the 5th diode respectively, an anodal and variable-resistance end of battery links to each other, the emitter of triode is respectively with the negative dc output end of rectifier bridge, the negative pole of the variable-resistance other end and battery links to each other, the base stage of triode connects variable-resistance sliding end, so the utility model can charge to battery automatically when dead battery or electric weight are low.
Description of drawings:
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment:
The present invention includes rectifier bridge VD1～VD4, resistance R 1, R2, capacitor C, diode VD5, triode VT, variable capacitance RP and battery H, first resistance R 1 is in parallel and continuous with the ac input end of rectifier bridge VD1～VD4 with capacitor C, the positive direct-current output of rectifier bridge VD1～VD4 is respectively with the collector electrode of triode VT, anodal and second resistance R 2 of the 5th diode VD5 links to each other, the other end of second resistance R 2 is the negative pole of same the 5th diode VD5 respectively, the end of the positive pole of battery H and variable resistor RP links to each other, the emitter of triode VT is respectively with the negative dc output end of rectifier bridge VD1～VD4, the negative pole of the other end of variable resistor RP and battery H links to each other, and the base stage of triode VT connects the sliding end of variable resistor RP.
Claims (1)
1. nickel-cadmium cell automatic charger circuit, comprise rectifier bridge (VD1～VD4), resistance (R1, R2), electric capacity (C), diode (VD5), triode (VT), variable capacitance (RP) and battery (H), (ac input end of VD1～VD4) links to each other to it is characterized in that the in parallel and same rectifier bridge of the same electric capacity of first resistance (R1) (C), rectifier bridge (the collector electrode of the same respectively triode of positive direct-current output (VT) of VD1～VD4), anodal and second resistance (R2) of the 5th diode (VD5) links to each other, the other end of second resistance (R2) is the negative pole of same the 5th diode (VD5) respectively, one end of the positive pole of battery (H) and variable resistor (RP) links to each other, the same respectively rectifier bridge of the emitter of triode (VT) (the negative dc output end of VD1～VD4), the negative pole of the other end of variable resistor (RP) and battery (H) links to each other, and the base stage of triode (VT) connects the sliding end of variable resistor (RP).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100130112A CN101997331A (en) | 2009-08-10 | 2009-08-10 | Automatic charger circuit for nickel-cadmium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100130112A CN101997331A (en) | 2009-08-10 | 2009-08-10 | Automatic charger circuit for nickel-cadmium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101997331A true CN101997331A (en) | 2011-03-30 |
Family
ID=43787096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100130112A Pending CN101997331A (en) | 2009-08-10 | 2009-08-10 | Automatic charger circuit for nickel-cadmium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101997331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655425A (en) * | 2016-12-31 | 2017-05-10 | 黎翠和 | Simple nickel-cadmium battery charger |
-
2009
- 2009-08-10 CN CN2009100130112A patent/CN101997331A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655425A (en) * | 2016-12-31 | 2017-05-10 | 黎翠和 | Simple nickel-cadmium battery charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Shang Fei Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| DD01 | Delivery of document by public notice |
Addressee: Shang Fei Document name: Notification that Application Deemed to be Withdrawn |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |