CN201414014Y - Novel charging management circuit with input and output on the same line - Google Patents
Novel charging management circuit with input and output on the same line Download PDFInfo
- Publication number
- CN201414014Y CN201414014Y CN2009201317121U CN200920131712U CN201414014Y CN 201414014 Y CN201414014 Y CN 201414014Y CN 2009201317121 U CN2009201317121 U CN 2009201317121U CN 200920131712 U CN200920131712 U CN 200920131712U CN 201414014 Y CN201414014 Y CN 201414014Y
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- same line
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Abstract
The utility model discloses a novel charging management circuit with input and output on the same line, which comprises a power supply end, a switch circuit connected with the power supply end, a charging end connected with the switch circuit, a microcontroller connected with the power supply end and the switch circuit, and a charging detection circuit connected with the charging end, wherein thecharging detection circuit comprises an output end which is connected with the microcontroller and a voltage comparator which is connected with the charging detection circuit, the switch circuit comprises a discharge MOS pipe and a charging MOS pipe, wherein the charging MOS pipe is provided with a control end which is connected with the microcontroller, and the discharge MOS pipe is provided witha control end which is connected with the voltage comparator. Since the discharge MOS pipe is added in the switch circuit, a battery can not discharge during charging, thereby the charging electric current of a battery can not be influenced when load (electric appliances) is in working state, and charging work can be quickly finished.
Description
Technical field
The utility model relates to a kind of charge management circuit, specifically is meant the charge management circuit that a kind of charge and discharge can only work independently.
Background technology
In the charge management circuit of the prior art, great majority are in battery charge, battery is discharged, be that battery can be powered to load when charging, thereby reduced the charging current of battery when loaded work piece widely, such as cells in notebook computer when the notebook computer non operating state, the charging current that battery is charged can reach 400mA, and after the work of notebook computer opening power, the charging current of battery is reduced to 200mA, because the reduction of charging current greatly reduces the charging rate of battery, thereby influence battery and with the operate as normal of electric loading.
Based on above-mentioned defective of the prior art, be necessary to improve again and revise.
The utility model content
The purpose of this utility model is to overcoming the charge management circuit that the deficiencies in the prior art provide a kind of charge and discharge to work independently.
The utility model technology contents is: a kind of charge management circuit of novel input and output the same line, comprise power end, the switching circuit that connects with power end, the charging end that connects with switching circuit, also comprise the microcontroller that connects with power end, switching circuit; It is characterized in that also comprising the charging testing circuit that connects with the charging end, described charging testing circuit is provided with the output that connects with microcontroller; Also comprise the voltage comparator that connects with the charging testing circuit, described switching circuit comprises discharge metal-oxide-semiconductor and charging metal-oxide-semiconductor; Described charging metal-oxide-semiconductor is provided with the control end that connects with microcontroller, and described discharge metal-oxide-semiconductor is provided with the control end that connects with voltage comparator.
Its further technology contents is: also comprise the indicator light that connects with microcontroller.
Its further technology contents is: also be provided with Voltage stabilizing module between described power end and the microcontroller.
Its further technology contents is: described charging testing circuit comprises R5460N201AB cake core and the SOP9926 cake core that is coupled to each other.
Its further technology contents is: described microcontroller is the 42P1116 cake core.
Its further technology contents is: described discharge metal-oxide-semiconductor is the AM4835 type.
Its further technology contents is: described charging metal-oxide-semiconductor is the AM9435 type.
Its further technology contents is: described Voltage stabilizing module is provided with the HT7550 voltage-stabiliser tube.
Its further technology contents is: described voltage comparator is the SGM321 type.
The utility model beneficial effect compared with prior art is: the utility model is because have additional the discharge metal-oxide-semiconductor in switching circuit, battery can not be discharged when charging, thereby make battery when load (electrical equipment) is in running order, its charging current can not be affected, and can finish charging work fast.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the circuit block diagram of the charge management circuit specific embodiment of a kind of novel input and output the same line of the utility model;
Fig. 2 is the circuit theory diagrams of the charge management circuit specific embodiment of a kind of novel input and output the same line of the utility model.
The accompanying drawing identifier declaration
1 power end, 2 switching circuits
21 charging metal-oxide-semiconductors, 22 discharge metal-oxide-semiconductors
3 charging ends, 4 microcontrollers
5 charging testing circuits, 6 voltage comparators
7 indicator lights, 8 Voltage stabilizing modules
Embodiment
In order to more fully understand technology contents of the present utility model, the technical solution of the utility model is further introduced and explanation below in conjunction with specific embodiment.
As shown in Figure 1, the charge management circuit of a kind of novel input and output the same line of the utility model, comprise power end 1 (input of power supply and output, when no external power supply, battery port output from then on electric energy is to using electric loading, J 1 among Fig. 2), the switching circuit 2 that connects with power end 1, the charging end 3 (charging inlet is B+ and B-among Fig. 2) that connects with switching circuit 2, also comprise the microcontroller 4 that connects with power end 1, switching circuit 2; Also comprise the charging testing circuit 5 that connects with charging end 3, charging testing circuit 5 is provided with the output that connects with microcontroller 4; Also comprise the voltage comparator 6 that connects with charging testing circuit 5, switching circuit 2 comprises discharge metal-oxide-semiconductor 22 and charging metal-oxide-semiconductor 21; Charging metal-oxide-semiconductor 21 is provided with the control end that connects with microcontroller 4, and discharge metal-oxide-semiconductor 21 is provided with the control end that connects with voltage comparator 6.Also comprise the indicator light 7 that connects with microcontroller 4.Also be provided with Voltage stabilizing module 8 between power end 1 and the microcontroller 4.
As shown in Figure 2, following electronic devices and components have been adopted at present embodiment, but be not limited to this, can be during concrete the application according to the electronic devices and components of selecting the market maturation, especially ic core piece element: the charging testing circuit comprises R5460N201AB cake core and the SOP9926 cake core (detection signal exports microcontroller chip 12 pin PG1 ports to) that is coupled to each other, microcontroller is the 42P1116 cake core, the discharge metal-oxide-semiconductor is AM4835 type (in the present embodiment parallel connection fast recovery diode SS14), the charging metal-oxide-semiconductor is the AM9435 type, Voltage stabilizing module is provided with the HT7550 voltage-stabiliser tube, voltage comparator is the SGM321 type, three couples of end line PH0 are arranged among Fig. 2, PH1 and PG2, every pair of end line is corresponding one by one connecting relation.
In sum, the utility model can not discharge battery, thereby makes battery when load (electrical equipment) is in running order because have additional the discharge metal-oxide-semiconductor in switching circuit when charging, and its charging current can not be affected, and can finish charging work fast.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent execution mode of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection range of the present utility model is as the criterion with claims.
Claims (9)
1. the charge management circuit of a novel input and output the same line comprises power end, the switching circuit that connects with power end, the charging end that connects with switching circuit, also comprises the microcontroller that connects with power end, switching circuit; It is characterized in that also comprising the charging testing circuit that connects with the charging end, described charging testing circuit is provided with the output that connects with microcontroller; Also comprise the voltage comparator that connects with the charging testing circuit, described switching circuit comprises discharge metal-oxide-semiconductor and charging metal-oxide-semiconductor; Described charging metal-oxide-semiconductor is provided with the control end that connects with microcontroller, and described discharge metal-oxide-semiconductor is provided with the control end that connects with voltage comparator.
2. the charge management circuit of a kind of novel input and output the same line according to claim 1 is characterized in that also comprising the indicator light that connects with microcontroller.
3. the charge management circuit of a kind of novel input and output the same line according to claim 2 is characterized in that also being provided with between described power end and the microcontroller Voltage stabilizing module.
4. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described charging testing circuit comprises R5460N201AB cake core and the SOP9926 cake core that is coupled to each other.
5. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described microcontroller is the 42P1116 cake core.
6. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described discharge metal-oxide-semiconductor is the AM4835 type.
7. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described charging metal-oxide-semiconductor is the AM9435 type.
8. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described Voltage stabilizing module is provided with the HT7550 voltage-stabiliser tube.
9. the charge management circuit of a kind of novel input and output the same line according to claim 3 is characterized in that described voltage comparator is the SGM321 type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201317121U CN201414014Y (en) | 2009-05-08 | 2009-05-08 | Novel charging management circuit with input and output on the same line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201317121U CN201414014Y (en) | 2009-05-08 | 2009-05-08 | Novel charging management circuit with input and output on the same line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201414014Y true CN201414014Y (en) | 2010-02-24 |
Family
ID=41715895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201317121U Expired - Fee Related CN201414014Y (en) | 2009-05-08 | 2009-05-08 | Novel charging management circuit with input and output on the same line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201414014Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048550A (en) * | 2015-07-23 | 2015-11-11 | 柳州译海网络科技有限公司 | Intelligent electric vehicle charger having alarm function |
| CN107942170A (en) * | 2017-11-30 | 2018-04-20 | 深圳市新国都支付技术有限公司 | One kind charging detection device |
-
2009
- 2009-05-08 CN CN2009201317121U patent/CN201414014Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048550A (en) * | 2015-07-23 | 2015-11-11 | 柳州译海网络科技有限公司 | Intelligent electric vehicle charger having alarm function |
| CN107942170A (en) * | 2017-11-30 | 2018-04-20 | 深圳市新国都支付技术有限公司 | One kind charging detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20130508 |