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Automatic charger circuit for nickel-cadmium battery

A nickel-cadmium battery and charger technology, which is applied to battery circuit devices, current collectors, electric vehicles, etc., and can solve the problem of not having the function of automatically charging the battery

Inactive Publication Date: 2011-03-30
尚飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing chargers are generally ordinary nickel-cadmium, nickel-metal hydride and lithium battery chargers, and these chargers do not have the function of automatically charging the battery

Method used

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  • Automatic charger circuit for nickel-cadmium battery
  • Automatic charger circuit for nickel-cadmium battery

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Embodiment Construction

[0008] The invention includes rectifier bridge VD1-VD4, resistors R1, R2, capacitor C, diode VD5, triode VT, variable capacitor RP and battery H, the first resistor R1 is connected in parallel with capacitor C and connected with the AC input end of rectifier bridge VD1-VD4 The positive DC output terminals of the rectifier bridge VD1~VD4 are respectively connected to the collector of the triode VT, the positive pole of the fifth diode VD5 and the second resistor R2, and the other end of the second resistor R2 is respectively connected to the fifth diode VD5 The negative pole of the battery H, the positive pole of the battery H, and one end of the variable resistor RP are connected. The emitters of the triode VT are respectively connected with the negative DC output terminals of the rectifier bridge VD1~VD4, the other end of the variable resistor RP, and the negative pole of the battery H. The triode VT The base of the variable resistor RP is connected to the sliding end.

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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: [0001] The invention relates to the improvement of the circuit structure of a charger, in particular to an automatic charger circuit for a nickel-cadmium battery. Background technique: [0002] Existing chargers are generally common nickel-cadmium, nickel-metal hydride and lithium battery chargers, and these chargers do not have the function of automatically charging the battery. Invention content: [0003] The present invention aims at the above problems, and provides a nickel-cadmium battery automatic charger circuit with automatic battery charging. [0004] In order to achieve the above object, the present invention adopts the following technical solutions. The present invention includes a rectifier bridge, a resistor, a capacitor, a diode, a triode, a variable capacitor and a battery. , the positive DC output terminal of the rectifier bridge is respectively connected with the collector of the triode, the positive pole of the fifth diode and the second...

Claims

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Application Information

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IPC IPC(8): H02J7/10
Inventor 尚飞
Owner 尚飞
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