CN203522291U - Fast charging circuit for battery - Google Patents
Fast charging circuit for battery Download PDFInfo
- Publication number
- CN203522291U CN203522291U CN201320676557.8U CN201320676557U CN203522291U CN 203522291 U CN203522291 U CN 203522291U CN 201320676557 U CN201320676557 U CN 201320676557U CN 203522291 U CN203522291 U CN 203522291U
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- resistance
- integrated circuit
- triode
- input
- electric capacity
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a fast charging circuit for a battery. The fast charging circuit comprises a transformer, a bridge rectifier circuit, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a first integrated circuit, a second integrated circuit, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seven resistor, a light emitting diode, a first diode, a second diode, a first triode and a second triode. A first voltage input end is connected with the first input end of the transformer. A second voltage input end is connected with the second input end of the transformer. The first output end of the transformer is connected with the first AC input end of the bridge rectifier circuit. The second output end of the transformer is connected with the second AC input end of the bridge rectifier circuit. According to the fast charging circuit for a battery, the circuit can stop charging reliably, the charging safety is ensured, the charging memory can be eliminated, the service life of a storage battery is prolonged, and the circuit also has the characteristics of simple structure and low energy consumption.
Description
Technical field
The utility model relates to a kind of charging circuit, relates in particular to a kind of quick-charging circuit for battery.
Background technology
Quick charge refers to and can in 1～5h, make storage battery reach or approach a kind of charging method that is full of electricity condition completely.The quick-charging circuit using at present can not stop charging sometimes reliably, therefore, can not guarantee the safety of charging, and adopt traditional quick-charging circuit can impact the performance of storage battery and life-span charge in batteries.
Utility model content
The purpose of this utility model provides a kind of quick-charging circuit for battery with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of quick-charging circuit for battery, comprise transformer, bridge rectifier, the first electric capacity to the four electric capacity, the first integrated circuit, the second integrated circuit, the first resistance to the seven resistance, Light-Emitting Diode, the first diode, the second diode, the first triode and the second triode, the first voltage input end is connected with described transformer first input end, second voltage input is connected with the second input of described transformer, the first output of described transformer is connected with the first ac input end of described bridge rectifier, the second output of described transformer is connected with the second ac input end of described bridge rectifier, the negative pole of described bridge rectifier respectively with the first end of described the first electric capacity, the earth terminal of described the first integrated circuit, the first end of described the second electric capacity, the first end of described the 3rd electric capacity, the timing mode of described the second integrated circuit is selected input, the earth terminal of described the second integrated circuit, the first end of described the 4th electric capacity, input is forbidden in the charging of described the second integrated circuit, the first end of described the 5th resistance, described the 6th first end of resistance and the negative pole of rechargeable battery are connected, the positive pole of described bridge rectifier is connected with the input of described the first integrated circuit with the second end of described the first electric capacity respectively, the output of described the first integrated circuit respectively with the first end of described the first resistance, the first end of described the second resistance, the positive pole of described the first diode, the emitter of described the first triode, the base stage of described the first triode is connected with the collector electrode of described the second triode, the second end of described the first resistance is connected with the second end of described the second electric capacity, the second end of described the second resistance is connected with the positive pole of described Light-Emitting Diode, the negative pole of described Light-Emitting Diode is connected with the charged state output of described the second integrated circuit, the second end of described the 3rd electric capacity respectively with the cell voltage input of described the second integrated circuit, the second end of described the 6th resistance is connected with the first end of described the 7th resistance, the second end of described the 4th electric capacity respectively with the temperature sensing input of described the second integrated circuit, the supply voltage input of described the second integrated circuit is connected with the first end of described the 4th resistance, the charging control output end of described the second integrated circuit is connected with the base stage of described the second triode with the second end of described the 4th resistance respectively, the emitter of described the second triode is connected with the second end of described the 5th resistance, the collector electrode of described the first triode is connected with the positive pole of described the second diode, the negative pole of described the first diode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance respectively with the negative pole of described the second diode, the second end of described the 7th resistance and the positive pole of rechargeable battery are connected.
The beneficial effects of the utility model are:
The utility model is a kind of quick-charging circuit for battery, and this circuit can stop charging reliably, guarantees the safety of charging, and can eliminate charging memory, extends the useful life of storage battery, and this circuit also has feature simple in structure and that power consumption is low.
Accompanying drawing explanation
Fig. 1 is a kind of quick-charging circuit circuit diagram for battery of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of quick-charging circuit for battery of the utility model, comprise transformer T, bridge rectifier BR, the first capacitor C 1 is to the 4th capacitor C 4, the first integrated circuit (IC) 1, the second integrated circuit (IC) 2, the first resistance R 1 is to the 7th resistance R 7, Light-Emitting Diode LED, the first diode D1, the second diode D2, the first triode VT1 and the second triode VT2, the first voltage input end is connected with transformer T first input end, second voltage input is connected with the second input of transformer T, the first output of transformer T is connected with the first ac input end of bridge rectifier BR, the second output of transformer T is connected with the second ac input end of bridge rectifier BR, the negative pole of bridge rectifier BR respectively with the first end of the first capacitor C 1, the earth terminal of the first integrated circuit (IC) 1, the first end of the second capacitor C 2, the first end of the 3rd capacitor C 3, the timing mode of the second integrated circuit (IC) 2 is selected input, the earth terminal of the second integrated circuit (IC) 2, the first end of the 4th capacitor C 4, input is forbidden in the charging of the second integrated circuit (IC) 2, the first end of the 5th resistance R 5, the 6th first end of resistance R 6 and the negative pole of rechargeable battery are connected, the positive pole of bridge rectifier BR is connected with the input of the first integrated circuit (IC) 1 with the second end of the first capacitor C 1 respectively, the output of the first integrated circuit (IC) 1 respectively with the first end of the first resistance R 1, the first end of the second resistance R 2, the positive pole of the first diode D1, the emitter of the first triode VT1, the base stage of the first triode VT1 is connected with the collector electrode of the second triode VT2, the second end of the first resistance R 1 is connected with the second end of the second capacitor C 2, the second end of the second resistance R 2 is connected with the positive pole of Light-Emitting Diode LED, the negative pole of Light-Emitting Diode LED is connected with the charged state output of the second integrated circuit (IC) 2, the second end of the 3rd capacitor C 3 respectively with the cell voltage input of the second integrated circuit (IC) 2, the second end of the 6th resistance R 6 is connected with the first end of the 7th resistance R 7, the second end of the 4th capacitor C 4 respectively with the temperature sensing input of the second integrated circuit (IC) 2, the supply voltage input of the second integrated circuit (IC) 2 is connected with the first end of the 4th resistance R 4, the charging control output end of the second integrated circuit (IC) 2 is connected with the base stage of the second triode VT2 with the second end of the 4th resistance R 4 respectively, the emitter of the second triode VT2 is connected with the second end of the 5th resistance R 5, the collector electrode of the first triode VT1 is connected with the positive pole of the second diode D2, the negative pole of the first diode D1 is connected with the first end of the 3rd resistance R 3, the second end of the 3rd resistance R 3 respectively with the negative pole of the second diode D2, the second end of the 7th resistance R 7 and the positive pole of rechargeable battery are connected.
Operation principle of the present utility model is as follows:
220V alternating voltage becomes 9V voltage through transformer T step-down, after bridge rectifier BR, obtaining stable 5V power voltage supply road uses, cell voltage enters the cell voltage input of the second integrated circuit (IC) 2 after the 6th resistance R 6 and the 7th resistance R 7 dividing potential drops, is used as sampling voltage.The 7th resistance R 7 connects the positive pole of rechargeable battery, the 6th resistance R 6 connects the negative pole of rechargeable battery, the second integrated circuit (IC) 2 is not damaged, Light-Emitting Diode LED indicates charged state, only when quick charge, Light-Emitting Diode LED is luminous, other states are as all not luminous in supplied charging and trickle charge, when high level is exported in the charging control output end of the second integrated circuit (IC) 2, the first triode VT1 and the second triode VT2 conducting, battery charging, during the charging control output end output low level of the second integrated circuit (IC) 2, the first triode VT1 and the second triode VT2 by, battery stops charging.
Claims (1)
1. the quick-charging circuit for battery, it is characterized in that: comprise transformer, bridge rectifier, the first electric capacity to the four electric capacity, the first integrated circuit, the second integrated circuit, the first resistance to the seven resistance, Light-Emitting Diode, the first diode, the second diode, the first triode and the second triode, the first voltage input end is connected with described transformer first input end, second voltage input is connected with the second input of described transformer, the first output of described transformer is connected with the first ac input end of described bridge rectifier, the second output of described transformer is connected with the second ac input end of described bridge rectifier, the negative pole of described bridge rectifier respectively with the first end of described the first electric capacity, the earth terminal of described the first integrated circuit, the first end of described the second electric capacity, the first end of described the 3rd electric capacity, the timing mode of described the second integrated circuit is selected input, the earth terminal of described the second integrated circuit, the first end of described the 4th electric capacity, input is forbidden in the charging of described the second integrated circuit, the first end of described the 5th resistance, described the 6th first end of resistance and the negative pole of rechargeable battery are connected, the positive pole of described bridge rectifier is connected with the input of described the first integrated circuit with the second end of described the first electric capacity respectively, the output of described the first integrated circuit respectively with the first end of described the first resistance, the first end of described the second resistance, the positive pole of described the first diode, the emitter of described the first triode, the base stage of described the first triode is connected with the collector electrode of described the second triode, the second end of described the first resistance is connected with the second end of described the second electric capacity, the second end of described the second resistance is connected with the positive pole of described Light-Emitting Diode, the negative pole of described Light-Emitting Diode is connected with the charged state output of described the second integrated circuit, the second end of described the 3rd electric capacity respectively with the cell voltage input of described the second integrated circuit, the second end of described the 6th resistance is connected with the first end of described the 7th resistance, the second end of described the 4th electric capacity respectively with the temperature sensing input of described the second integrated circuit, the supply voltage input of described the second integrated circuit is connected with the first end of described the 4th resistance, the charging control output end of described the second integrated circuit is connected with the base stage of described the second triode with the second end of described the 4th resistance respectively, the emitter of described the second triode is connected with the second end of described the 5th resistance, the collector electrode of described the first triode is connected with the positive pole of described the second diode, the negative pole of described the first diode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance respectively with the negative pole of described the second diode, the second end of described the 7th resistance and the positive pole of rechargeable battery are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676557.8U CN203522291U (en) | 2013-10-30 | 2013-10-30 | Fast charging circuit for battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320676557.8U CN203522291U (en) | 2013-10-30 | 2013-10-30 | Fast charging circuit for battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522291U true CN203522291U (en) | 2014-04-02 |
Family
ID=50381166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320676557.8U Expired - Fee Related CN203522291U (en) | 2013-10-30 | 2013-10-30 | Fast charging circuit for battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522291U (en) |
-
2013
- 2013-10-30 CN CN201320676557.8U patent/CN203522291U/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: 20140402 Termination date: 20151030 |
|
| EXPY | Termination of patent right or utility model |