CN206850465U - Charging module and electronic equipment - Google Patents
Charging module and electronic equipment Download PDFInfo
- Publication number
- CN206850465U CN206850465U CN201720415971.1U CN201720415971U CN206850465U CN 206850465 U CN206850465 U CN 206850465U CN 201720415971 U CN201720415971 U CN 201720415971U CN 206850465 U CN206850465 U CN 206850465U
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- charging circuit
- charging
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- battery
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- 239000003990 capacitor Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charging module and electronic equipment, wherein, charging module includes power input, the first charging circuit, the second charging circuit and power output end, the input interconnection of power input, the input of the first charging circuit and the second charging circuit, the output end of the first charging circuit, the output end of the second charging circuit and power output end interconnection；Here, power input, for connecting power supply；Power output end, for connecting battery to be charged；First charging circuit, exported for that will input to the power supply of power input to battery, think that battery charges；Second charging circuit, exported for that will input to the power supply of power input to battery, think that battery charges.Technical solutions of the utility model have the characteristics of charging rate is fast.
Description
Technical Field
The utility model relates to an electronic equipment technical field, in particular to module and electronic equipment charge.
Background
At present, most of products designed by using a chip with an integrated charging function use a circuit inside the chip for charging.
However, the circuit inside the chip can only provide one path of charging current, and the charging speed is slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a module of charging aims at accelerating this module of charging's the speed of charging.
In order to achieve the above object, the present invention provides a charging module, which includes a power input terminal, a first charging circuit, a second charging circuit and a power output terminal, wherein the power input terminal, the input terminal of the first charging circuit and the input terminal of the second charging circuit are interconnected, and the output terminal of the first charging circuit, the output terminal of the second charging circuit and the power output terminal are interconnected; the power supply input end is used for connecting a power supply; the power supply output end is used for connecting a battery to be charged; the first charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery; the second charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery.
Preferably, the first charging circuit further comprises a receiving terminal, the second charging circuit further comprises a feedback terminal, and the receiving terminal of the first charging circuit is connected with the feedback terminal of the second charging circuit.
Preferably, the first charging circuit includes a first charging chip, an input pin of the first charging chip is an input end of the first charging circuit, an output pin of the first charging chip is an output end of the first charging circuit, and a receiving pin of the first charging chip is a receiving end of the first charging circuit.
Preferably, the second charging circuit includes a second charging chip, an input pin of the second charging chip is an input end of the second charging circuit, an output pin of the second charging chip is an output end of the second charging circuit, and a feedback pin of the second charging chip is a feedback end of the second charging circuit.
Preferably, the charging module further includes a first capacitor and a second capacitor, the first end of the first capacitor, the input end of the first charging circuit and the input end of the second charging circuit are interconnected, the first end of the second capacitor, the output end of the first charging circuit and the output end of the second charging circuit are interconnected, and the second end of the first capacitor and the second end of the second capacitor are both grounded.
The utility model also provides an electronic equipment, this electronic equipment includes the module of charging as above, here, this module of charging includes power input end, first charging circuit, second charging circuit and power output end, power input end, the input of first charging circuit and the input of second charging circuit interconnect, the output of first charging circuit, the output of second charging circuit and the power output end interconnect; the power supply input end is used for connecting a power supply; the power supply output end is used for connecting a battery to be charged; the first charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery; the second charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery.
Preferably, the electronic device is an electric toothbrush.
The utility model discloses technical scheme is through adopting first charging circuit to export the power to the battery to the power of power input end to for battery charging, second charging circuit exports the mains voltage who inputs to power input end to the battery, for battery charging, makes the battery in charging process, has two way charging current, and charge efficiency is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of functional modules according to an embodiment of the charging module of the present invention;
fig. 2 is a schematic circuit diagram of another embodiment of the charging module of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a charging module. The charging module can be arranged in a charger and also can be arranged in the electronic equipment to charge a battery in the electronic equipment.
Referring to fig. 1, in an embodiment, the charging module includes a power input terminal VBUS, a first charging circuit 10, a second charging circuit 20, and a power output terminal VBAT, where the power input terminal VBUS, an input terminal of the first charging circuit 10, and an input terminal of the second charging circuit 20 are interconnected, and an output terminal of the first charging circuit 10, an output terminal of the second charging circuit 20, and the power output terminal VBAT are interconnected.
Wherein, the power input terminal VBUS is used for connecting a power supply (not shown); the power output end VBUS is used for connecting a battery to be charged (not shown); a first charging circuit 10 for outputting a power input to the power input terminal VBUS to the battery to charge the battery; and a second charging circuit 20 for outputting the power input to the power input terminal VBUS to the battery to charge the battery.
Here, since the first charging circuit 10 and the second charging circuit 20 can both independently charge the battery, there are two paths of charging currents in the process of charging the battery, and the charging efficiency is high.
Optionally, the first charging circuit 10 further includes a receiving terminal, the second charging circuit 20 further includes a feedback terminal, and the receiving terminal of the first charging circuit 10 is connected to the feedback terminal of the second charging circuit 20.
Specifically, when the second charging circuit 20 is in the charging state, the first feedback signal corresponding to the charging state may be output to the first charging circuit 10 at the feedback terminal thereof, so as to inform the first charging circuit 10 that it is in the charging state. When the second charging circuit 20 is not in the charging state, a second feedback signal corresponding to the non-charging state may be output to the first charging circuit 10 at the feedback terminal thereof, so as to inform the first charging circuit 10 that the charging is completed or the power input is not received.
In the whole process, the first charging circuit 10 can detect the electric quantity of the battery to determine whether the second charging circuit 20 works abnormally. The first charging circuit 10 may determine that the second charging circuit 20 is functioning properly when the following three conditions occur:
(1) the power input end VBUS has an external power input, the first charging circuit 10 detects that the battery is fully charged, and receives a second feedback signal output by the second charging circuit 20;
(2) the power input end VBUS has an external power input, the first charging circuit 10 detects that the battery is not fully charged, and receives a first feedback signal output by the second charging circuit 20;
(3) the power input terminal VBUS has no external power input, and the first charging circuit 10 detects that the battery is not fully charged and receives the second feedback signal output by the second charging circuit 20.
Thus, the reliability of the charging module can be improved.
Here, the first feedback signal may be selected as a high level signal, and the second feedback signal may be selected as a low level signal. In addition, the first charging circuit 10 can calculate the battery capacity according to the detected voltage at the power output terminal VBAT, and the second charging circuit 20 can determine whether the battery is charged according to the detected voltage at the power output terminal VBAT.
Optionally, the first charging circuit 10 includes a first charging chip U1, an input pin VIN of the first charging chip U1 is an input terminal of the first charging circuit 10, an output pin VOUT of the first charging chip U1 is an output terminal of the first charging circuit 10, and a receiving pin GPIO of the first charging chip U1 is a receiving terminal of the first charging circuit 10. Preferably, the model number of the first charging chip U1 is DA 14681.
Optionally, the second charging circuit 20 includes a second charging chip U2, the input pin VIN of the second charging chip U2 is an input terminal of the second charging circuit 20, the output pin VOUT of the second charging chip U2 is an output terminal of the second charging circuit 20, and the feedback pin CHG of the second charging chip U2 is a feedback terminal of the second charging circuit 20.
The charging circuit is integrated in the charging chip, so that the size of the charging module can be reduced.
Further, the charging module further includes a first capacitor C1 and a second capacitor C2, the first terminal of the first capacitor C1, the input terminal of the first charging circuit 10 and the input terminal of the second charging circuit 20 are interconnected, the first terminal of the second capacitor C2, the output terminal of the first charging circuit 10 and the output terminal of the second charging circuit 20 are interconnected, and the second terminal of the first capacitor C1 and the second terminal of the second capacitor C2 are both grounded.
Here, the first capacitor C1 is used for filtering noise of the voltage input to the first charging circuit 10 and the second charging circuit 20, and the second capacitor C2 is used for filtering noise of the voltage output by the first charging circuit 10 and the second charging circuit 20. The reliability of the charging module can be improved by additionally arranging the first capacitor C1 and the second capacitor C2.
It should be noted that in the charging module, the first charging circuit 10 and the second charging circuit 20 both include a ground terminal, and the ground terminals of the first charging circuit 10 and the second charging circuit 20 are both grounded. The ground pin GND of the first charging chip U1 is the ground terminal of the first charging circuit 10, and the ground pin GND of the second charging chip U2 is the ground terminal of the second charging chip U2.
The working principle of the charging module is described below with reference to fig. 1 and 2:
when an external power is input to the power input VBUS, the first charging circuit 10 and the second charging circuit 20 both input the external power to the battery to charge the battery. Meanwhile, the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform the first charging circuit 10 that it is in a charging state.
When the battery is fully charged, the second charging circuit 20 outputs a first feedback signal to the first charging circuit 10 to inform that it is not in a charging state.
When the external power input to the power input terminal VBUS is powered off, the second charging circuit 20 outputs a second feedback signal to the first charging circuit 10 to inform that it is not in a charging state.
In the whole process, the first charging circuit 10 can detect the battery capacity to determine whether the battery is fully charged and determine whether the second charging circuit 20 is abnormal.
The utility model also provides an electronic equipment, this electronic equipment include the module of charging as above, and the concrete structure of the module of should charging refers to above-mentioned embodiment, because this electronic equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The electronic device may be a mobile phone, a tablet computer, an electric toothbrush, etc., which is not limited herein.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. A charging module is characterized by comprising a power input end, a first charging circuit, a second charging circuit and a power output end, wherein the power input end, the input end of the first charging circuit and the input end of the second charging circuit are interconnected, and the output end of the first charging circuit, the output end of the second charging circuit and the power output end are interconnected; wherein,
the power supply input end is used for connecting a power supply;
the power supply output end is used for connecting a battery to be charged;
the first charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery;
the second charging circuit is used for outputting the power input to the power input end to the battery so as to charge the battery.
2. The charging module of claim 1, wherein the first charging circuit further comprises a receiving terminal, the second charging circuit further comprises a feedback terminal, and the receiving terminal of the first charging circuit is connected to the feedback terminal of the second charging circuit.
3. The charging module of claim 2, wherein the first charging circuit comprises a first charging chip, an input pin of the first charging chip is an input terminal of the first charging circuit, an output pin of the first charging chip is an output terminal of the first charging circuit, and a receiving pin of the first charging chip is a receiving terminal of the first charging circuit.
4. The charging module of claim 2, wherein the second charging circuit comprises a second charging chip, an input pin of the second charging chip is an input terminal of the second charging circuit, an output pin of the second charging chip is an output terminal of the second charging circuit, and a feedback pin of the second charging chip is a feedback terminal of the second charging circuit.
5. The charging module of any one of claims 1-4, further comprising a first capacitor and a second capacitor, wherein the first terminal of the first capacitor, the input terminal of the first charging circuit and the input terminal of the second charging circuit are interconnected, the first terminal of the second capacitor, the output terminal of the first charging circuit and the output terminal of the second charging circuit are interconnected, and the second terminal of the first capacitor and the second terminal of the second capacitor are both grounded.
6. An electronic device, characterized in that it comprises a charging module according to any one of claims 1-5.
7. The electronic device of claim 6, wherein the electronic device is a power toothbrush.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720415971.1U CN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
| PCT/CN2017/091887 WO2018192097A1 (en) | 2017-04-19 | 2017-07-05 | Charging module and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720415971.1U CN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206850465U true CN206850465U (en) | 2018-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720415971.1U Active CN206850465U (en) | 2017-04-19 | 2017-04-19 | Charging module and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206850465U (en) |
| WO (1) | WO2018192097A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201966839U (en) * | 2011-04-07 | 2011-09-07 | 湖北昊天低碳科技有限公司 | Novel tracking system for solar photovoltaic maximum power point |
| CN102122903B (en) * | 2011-04-07 | 2013-02-20 | 湖北昊天低碳科技有限公司 | Novel solar photovoltaic peak-power point tracking system |
| CN103036261B (en) * | 2011-10-08 | 2015-02-11 | 科沃斯机器人有限公司 | Charging device and charging method |
| CN104821773A (en) * | 2015-05-05 | 2015-08-05 | 无锡联动太阳能科技有限公司 | Novel solar power generation system |
| CN105576797A (en) * | 2015-12-14 | 2016-05-11 | 广东瑞德智能科技股份有限公司 | Improved solar charging circuit with mppt controller structure |
| CN105896670A (en) * | 2016-05-25 | 2016-08-24 | 乐视控股（北京）有限公司 | Charging device and mobile terminal |
-
2017
- 2017-04-19 CN CN201720415971.1U patent/CN206850465U/en active Active
- 2017-07-05 WO PCT/CN2017/091887 patent/WO2018192097A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2018192097A1 (en) | 2018-10-25 |
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