CN205377347U - Portable power source and charging and discharging circuit thereof - Google Patents
Portable power source and charging and discharging circuit thereof Download PDFInfo
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- CN205377347U CN205377347U CN201521134317.0U CN201521134317U CN205377347U CN 205377347 U CN205377347 U CN 205377347U CN 201521134317 U CN201521134317 U CN 201521134317U CN 205377347 U CN205377347 U CN 205377347U
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Abstract
The utility model belongs to the power supply unit field especially relates to a portable power source and charging and discharging circuit thereof. The utility model provides a portable power source and charging and discharging circuit thereof when inputing power or consumer on portable power source's inputoutput port is external, awakens the module by the MCU treater up through the sampling and detects concrete state, controls charging and discharging module's switching completion step -down through two pulse input and charges and step up the work of discharging. Insert when charging to built -in battery as external power source, the discharge circuit that steps up among this moment charging and discharging module is in the closed condition, when discharging, external equipment inserts, and the MCU treater is differentiated insertion signal, is when discharging for external load when judging, steps up the discharge circuit to the equipment action of charging among the control charging and discharging module. It is together integrated with charging and discharging module for occupation space is little, leaves the space for battery and make its battery capacity maximize under the same conditions, has also reduced manufacturing cost.
Description
Technical field
This utility model belongs to supply unit field, particularly relates to a kind of portable power source and charge-discharge circuit thereof.
Background technology
Nowadays, routine work and the life of people all come into by increasing electronic equipment.Battery electric quantity for avoiding electronic equipment is not enough, and people it is frequently necessary to when going out carry a portable power source.Portable power source is a kind of portable charger integrating power supply and charge function, and it can be charged for the electronic equipment such as mobile phone, digital camera.But, the circuit structure of existing portable power source is all complex, is typically all the circuit that conventionally linear voltage decreasing chip, boost chip and MCU controller etc. form, and it is big that it occupies space on PCB, material cost is high, and caloric value when it is changed is also bigger.Therefore, the volume how reducing portable power source has also become the problem needing to solve in portable power source preparation process.
Utility model content
In view of this, first namely the purpose of this utility model is in that to provide the charge-discharge circuit of a kind of portable power source, and to solve existing portable power source internal circuit configuration complexity, big technical problem is occupied in space.
In order to solve above-mentioned technical problem, the charge-discharge circuit of the portable power source that this utility model provides includes the sampling wake module, MCU processor, detection module and the charge-discharge modules that are connected in turn between the input/output port of portable power source and battery；
Described input/output port is used for external input power or electrical equipment；Described sampling wake module is connected between described input/output port and described MCU processor, waking described MCU processor up by sample rate current when connecting input power or electrical equipment outside described input/output port, described MCU processor controls the cut out of described detection module according to the sample rate current received；Described charge-discharge modules is connected between described detection module and described battery, according to the current signal of described detection module, battery is charged or described electrical equipment is discharged.
Further, described charge-discharge modules includes inductance L1, diode D1, switching tube Q1, switching tube Q2, resistance R7, resistance R8, resistance R9 and resistance R10；nullDescribed inductance L1 is serially connected between the positive pole of described battery and the anode of described diode D1，The anode of described diode D1 connects the cold end of described switching tube Q1 and the hot end of described switching tube Q2 simultaneously，The outfan that negative electrode is described charge-discharge modules of described diode D1、Connect described input/output port simultaneously，The high potential of described switching tube Q1 terminates the negative electrode of described diode D1，Described resistance R7 and resistance R8 is serially connected between the negative electrode of described diode and the first pulse input end，Control termination described resistance R7 and the resistance R8 of described switching tube Q1 connects end altogether，Described resistance R9 and resistance R10 is serially connected between the negative pole of the second pulse input end and described battery，Control termination described resistance R9 and the resistance R10 of described switching tube Q3 connects end altogether，The electronegative potential of described switching tube Q3 terminates the negative pole of described battery.
Further, described detection module includes resistance R3, resistance R4, resistance R5 and resistance R6；Described resistance R5 and resistance R6 is serially connected between negative electrode and the negative pole of described battery of described diode D1, described resistance R5 and resistance R6 connects the outfan terminating described MCU processor altogether, described resistance R4 and resistance R3 is serially connected between the negative pole of described battery and the input of described MCU processor, and described resistance R4 and resistance R3 connects end ground connection simultaneously altogether.
Further, described sampling wake module includes resistance R1 and resistance R2；Described resistance R1 and resistance R2 is serially connected between outfan and the ground of described MCU processor, and described resistance R1 and resistance R2 connects the described input/output port of termination altogether.
Further, described circuit also includes the electric capacity C1 that is attempted by described battery two ends.
Further, described charge-discharge modules also includes the electric capacity C2 of negative electrode and the described battery cathode being attempted by described diode D1.
Further, described circuit also includes the electric capacity C3 that is attempted by described input/output port two ends.
Additionally, the purpose of this utility model embodiment also resides in a kind of portable power source of offer, as improvement, described portable power source includes the charge-discharge circuit of any form described above.
The portable power source provided according to this utility model embodiment and charge-discharge circuit thereof, when connecting input power or electrical equipment outside the input/output port of portable power source, by MCU processor by wake module detection particular state of sampling, the opening and closing controlling charge-discharge modules by two pulse inputs completes blood pressure lowering charging and step-up discharge work.When internal battery is charged by external power source insertion, now the step-up discharge circuit in charge-discharge modules is closed；Upon discharging, external equipment inserts, and MCU processor differentiates inserting signal, and when judgement is to discharge to external loading, equipment is charged action by the step-up discharge circuit controlled in charge-discharge modules.Charge-discharge modules is integrated so that take up room little, under equal conditions battery is left in space and make its battery capacity maximize, also reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the charge-discharge circuit of the portable power source that this utility model embodiment provides；
Fig. 2 is the structure composition schematic diagram of the charge-discharge circuit of the portable power source that this utility model embodiment provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Fig. 1 is the structural representation of the charge-discharge circuit of the portable power source that this utility model embodiment provides；For the ease of illustrating, illustrate only part related to the present embodiment, as shown in the figure:
The charge-discharge circuit of a kind of portable power source, including the sampling wake module 400 being connected in turn between the input/output port J1 of portable power source and battery BT, MCU processor 300, detection module 200 and charge-discharge modules 100.Specifically, input/output port J1 is used for external input power or electrical equipment；Sampling wake module 400 is connected between input/output port J1 and MCU processor 300, wake MCU processor 300, MCU processor 300 up by sample rate current when connecting input power or electrical equipment outside input/output port J1 and control the closedown of detection module 200 according to the sample rate current received；Charge-discharge modules 100 is connected between detection module 200 and battery BT, according to the current signal of detection module 200, battery BT is charged or electrical equipment is discharged.
Fig. 2 is the structure composition schematic diagram of the charge-discharge circuit of the portable power source that this utility model embodiment provides.Same, for the ease of illustrating, illustrate only part related to the present embodiment, as shown in the figure:
As a preferred embodiment, charge-discharge modules 100 includes inductance L1, diode D1, switching tube Q1, switching tube Q2, resistance R7, resistance R8, resistance R9 and resistance R10；nullDescribed inductance L1 is serially connected between the positive pole of described battery and the anode of described diode D1，The anode of described diode D1 connects the cold end of described switching tube Q1 and the hot end of described switching tube Q2 simultaneously，The outfan that negative electrode is described charge-discharge modules of described diode D1、Connect described input/output port simultaneously，The high potential of described switching tube Q1 terminates the negative electrode of described diode D1，Described resistance R7 and resistance R8 is serially connected between the negative electrode of described diode and the first pulse input end，Control termination described resistance R7 and the resistance R8 of described switching tube Q1 connects end altogether，Described resistance R9 and resistance R10 is serially connected between the negative pole of the second pulse input end and described battery，Control termination described resistance R9 and the resistance R10 of described switching tube Q3 connects end altogether，The electronegative potential of described switching tube Q3 terminates the negative pole of described battery.
As a preferred embodiment, detection module 200 includes resistance R3, resistance R4, resistance R5 and resistance R6；Described resistance R5 and resistance R6 is serially connected between negative electrode and the negative pole of described battery of described diode D1, described resistance R5 and resistance R6 connects the outfan terminating described MCU processor altogether, described resistance R4 and resistance R3 is serially connected between the negative pole of described battery and the input of described MCU processor, and described resistance R4 and resistance R3 connects end ground connection simultaneously altogether.
As a preferred embodiment, described sampling wake module 400 includes resistance R1 and resistance R2；Described resistance R1 and resistance R2 is serially connected between outfan and the ground of described MCU processor, and described resistance R1 and resistance R2 connects the described input/output port of termination altogether.
Further, in order to realize filtering and rectification, keeping the steady of voltage and current signal, as preferably, the charge-discharge circuit of this portable power source can also arrange several electric capacity, does not show that in accompanying drawing.Such as, an electric capacity C1 in parallel can be set at the two ends of battery BT；In charge-discharge modules 100, between negative electrode and the negative pole of battery BT of diode D1, an electric capacity C2 can also be set.Further, it is also possible to an electric capacity C3 in parallel is set at the two ends of input/output port J1.
On the other hand, the purpose of this utility model embodiment also resides in a kind of portable power source of offer, and as improvement, described portable power source includes the charge-discharge circuit of any form described above.
The portable power source provided according to this utility model embodiment and charge-discharge circuit thereof, when connecting input power or electrical equipment outside the input/output port of portable power source, by MCU processor by wake module detection particular state of sampling, the opening and closing controlling charge-discharge modules by two pulse inputs completes blood pressure lowering charging and step-up discharge work.When internal battery is charged by external power source insertion, now the step-up discharge circuit in charge-discharge modules is closed；Upon discharging, external equipment inserts, and MCU processor differentiates inserting signal, and when judgement is to discharge to external loading, equipment is charged action by the step-up discharge circuit controlled in charge-discharge modules.Charge-discharge modules is integrated so that take up room little, under equal conditions battery is left in space and make its battery capacity maximize, also reduce production cost.
It should be noted that in above-described embodiment, included unit is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as being capable of corresponding function；It addition, the concrete title of each functional unit is also only to facilitate mutually distinguish, it is not limited to protection domain of the present utility model.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, although this utility model having been carried out explanation in greater detail with reference to previous embodiment, for a person skilled in the art, the technical scheme described in foregoing embodiments still can be modified or wherein portion of techniques feature carries out equivalent replacement by it.All any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (8)
1. the charge-discharge circuit of a portable power source, it is characterised in that described circuit includes the sampling wake module, MCU processor, detection module and the charge-discharge modules that are connected in turn between the input/output port of portable power source and battery；
Described input/output port is used for external input power or electrical equipment；Described sampling wake module is connected between described input/output port and described MCU processor, waking described MCU processor up by sample rate current when connecting input power or electrical equipment outside described input/output port, described MCU processor controls the cut out of described detection module according to the sample rate current received；Described charge-discharge modules is connected between described detection module and described battery, according to the current signal of described detection module, battery is charged or described electrical equipment is discharged.
2. the charge-discharge circuit of portable power source as claimed in claim 1, it is characterised in that described charge-discharge modules includes inductance L1, diode D1, switching tube Q1, switching tube Q2, resistance R7, resistance R8, resistance R9 and resistance R10；
nullDescribed inductance L1 is serially connected between the positive pole of described battery and the anode of described diode D1，The anode of described diode D1 connects the cold end of described switching tube Q1 and the hot end of described switching tube Q2 simultaneously，The outfan that negative electrode is described charge-discharge modules of described diode D1、Connect described input/output port simultaneously，The high potential of described switching tube Q1 terminates the negative electrode of described diode D1，Described resistance R7 and resistance R8 is serially connected between the negative electrode of described diode and the first pulse input end，Control termination described resistance R7 and the resistance R8 of described switching tube Q1 connects end altogether，Described resistance R9 and resistance R10 is serially connected between the negative pole of the second pulse input end and described battery，Control termination described resistance R9 and the resistance R10 of described switching tube Q3 connects end altogether，The electronegative potential of described switching tube Q3 terminates the negative pole of described battery.
3. the charge-discharge circuit of portable power source as claimed in claim 2, it is characterised in that described detection module includes resistance R3, resistance R4, resistance R5 and resistance R6；
Described resistance R5 and resistance R6 is serially connected between negative electrode and the negative pole of described battery of described diode D1, described resistance R5 and resistance R6 connects the outfan terminating described MCU processor altogether, described resistance R4 and resistance R3 is serially connected between the negative pole of described battery and the input of described MCU processor, and described resistance R4 and resistance R3 connects end ground connection simultaneously altogether.
4. the charge-discharge circuit of portable power source as claimed in claim 3, it is characterised in that described sampling wake module includes resistance R1 and resistance R2；
Described resistance R1 and resistance R2 is serially connected between outfan and the ground of described MCU processor, and described resistance R1 and resistance R2 connects the described input/output port of termination altogether.
5. the charge-discharge circuit of portable power source as claimed in claim 1, it is characterised in that described circuit also includes the electric capacity C1 being attempted by described battery two ends.
6. the charge-discharge circuit of portable power source as claimed in claim 2, it is characterised in that described charge-discharge modules also includes the electric capacity C2 of negative electrode and the described battery cathode being attempted by described diode D1.
7. the charge-discharge circuit of portable power source as claimed in claim 1, it is characterised in that described circuit also includes the electric capacity C3 being attempted by described input/output port two ends.
8. a portable power source, it is characterised in that described portable power source includes the charge-discharge circuit as described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134317.0U CN205377347U (en) | 2015-12-30 | 2015-12-30 | Portable power source and charging and discharging circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521134317.0U CN205377347U (en) | 2015-12-30 | 2015-12-30 | Portable power source and charging and discharging circuit thereof |
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| Publication Number | Publication Date |
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| CN205377347U true CN205377347U (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521134317.0U Active CN205377347U (en) | 2015-12-30 | 2015-12-30 | Portable power source and charging and discharging circuit thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245240A (en) * | 2018-11-06 | 2019-01-18 | 西安拓尔微电子有限责任公司 | A kind of efficiently power-off accumulation of energy protection circuit |
| CN115954984A (en) * | 2023-02-09 | 2023-04-11 | 深圳市超创鑫科技有限公司 | Portable power source circuit with automatic boost-buck control |
-
2015
- 2015-12-30 CN CN201521134317.0U patent/CN205377347U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245240A (en) * | 2018-11-06 | 2019-01-18 | 西安拓尔微电子有限责任公司 | A kind of efficiently power-off accumulation of energy protection circuit |
| CN109245240B (en) * | 2018-11-06 | 2023-09-12 | 拓尔微电子股份有限公司 | High-efficiency power-off energy storage protection circuit |
| CN115954984A (en) * | 2023-02-09 | 2023-04-11 | 深圳市超创鑫科技有限公司 | Portable power source circuit with automatic boost-buck control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170703 Address after: 523455 Guangdong province Dongguan Dongkeng Dongkeng Avenue South, No. 365 Patentee after: Dongguan city Pu Smythe Electronics Co. Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Guanlan street Huangkeng community Hedong Village No. 437 Patentee before: Mai Sipu Electronics Co., Ltd. of Shenzhen |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee after: Meispu Electronics Co.,Ltd. Address before: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523455 Patentee before: DONGGUAN CITY MAISI PU ELECTRONICS CO.,LTD. |