CN209516714U - Charger - Google Patents
Charger Download PDFInfo
- Publication number
- CN209516714U CN209516714U CN201920322600.8U CN201920322600U CN209516714U CN 209516714 U CN209516714 U CN 209516714U CN 201920322600 U CN201920322600 U CN 201920322600U CN 209516714 U CN209516714 U CN 209516714U
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- Prior art keywords
- output interface
- charger
- field
- converting unit
- fast charge
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Abstract
The utility model provides a kind of charger, including AC/DC converting unit, rectification circuit, fast charge output interface, output interface, field-effect tube and DC/DC converting unit, wherein, AC/DC converting unit is connected with rectification circuit, fast charge output interface is in parallel with output interface, field-effect tube and DC/DC converting unit are parallel between fast charge output interface and output interface, when the output voltage of fast charge output interface is less than the first preset voltage value, field-effect tube conducting, circuit disconnects where DC/DC converting unit；When the output voltage of fast charge output interface is greater than or equal to the first preset voltage value, field-effect tube is disconnected, circuit conducting where DC/DC converting unit.The utility model can be according to the conducting and disconnection of output voltage control sectional pressure element, so that the voltage of output interface output will not be substantially reduced, thus the charging rate of constant charge device.
Description
Technical field
The utility model relates to a kind of chargers.
Background technique
With the development of science and technology, intelligent electronic device such as smart phone, tablet computer etc. using more and more extensive,
So that demand of the user to charger is also increasing, in order to charge to electronic equipment.It is different types of in order to adapt to
Electronic equipment, many chargers are provided with fast charge output interface and output interface simultaneously.However, due to point of other components
Pressure, in the lower situation of fast charge output interface output voltage, the output voltage of output interface is relatively low, so as to cause charging rate
It is relatively slow, influence user's use.
Utility model content
In view of this, it is necessary to provide a kind of charger on and off can be led according to output voltage control sectional pressure element
It opens.
A kind of charger, including AC/DC converting unit, rectification circuit, fast charge output interface, output interface, field-effect tube
And DC/DC converting unit, wherein the AC/DC converting unit is connected with the rectification circuit, the fast charge output interface and institute
State output interface parallel connection, the field-effect tube and the DC/DC converting unit be parallel to the fast charge output interface with it is described defeated
Between outgoing interface, when the output voltage of the fast charge output interface is less than the first preset voltage value, the field-effect tube conducting,
Circuit disconnects where the DC/DC converting unit；When the output voltage of the fast charge output interface is greater than or equal to described first
When preset voltage value, the field-effect tube is disconnected, circuit conducting where the DC/DC converting unit.
Wherein, the fast charge output interface is Type-C interface, and the output interface is USB-A interface.
Further, the charger further includes detection circuit, is electrically connected with the field-effect tube, described fast for detecting
Fill the output voltage of output interface.
Further, the charger further includes control unit, respectively with the detection circuit, field-effect tube and described
The electrical connection of DC/DC converting unit, exports after the output voltage of the fast charge output interface is detected for receiving the detection circuit
Detection signal, and the field-effect tube is controlled according to the detection signal and is connected with DC/DC converting unit place circuit
Or it disconnects.
Wherein, first preset voltage value is between 5.6V~6V.
Preferably, first preset voltage value is 5.8V.
Further, the charger further includes protection circuit, is electrically connected with the field-effect tube, for working as the fast charge
When the output voltage of output interface is greater than or equal to the second preset voltage value, disconnect the field-effect tube and the output interface it
Between electrical connection.
Wherein, the protection circuit includes output end and two resistance, the source of the protection circuit and the field-effect tube
Grade and output interface electrical connection.
Wherein, second preset voltage value is between 5.6V~6V.
Preferably, second preset voltage value is 5.8V.
Above-mentioned charger can be according to the conducting and disconnection of output voltage control sectional pressure element, so that output interface exported
Voltage will not be substantially reduced, so that the charging rate of constant charge device, improves user experience.
Detailed description of the invention
Fig. 1 is the modular structure schematic diagram of charger in the preferred embodiment of the utility model.
Fig. 2 is the schematic diagram of the protection circuit of charger in the preferred embodiment of the utility model.
Main element symbol description
| Charger | 1 |
| AC/DC converting unit | 10 |
| Rectification circuit | 20 |
| Fast charge output interface | 30 |
| Output interface | 40 |
| Field-effect tube | 50 |
| DC/DC converting unit | 60 |
| Detection circuit | 70 |
| Control unit | 80 |
| Protect circuit | 90 |
| Output end | 91 |
| Resistance | R1、R2 |
The following detailed description will be further explained with reference to the above drawings the utility model.
Specific embodiment
Referring to Fig. 1, it illustrates charger 1 provided by the preferred embodiment of the utility model.The charger 1 wraps
It includes, but is not limited only to, AC/DC converting unit 10, rectification circuit 20, fast charge output interface 30, output interface 40, field-effect tube 50
And DC/DC converting unit 60.
In the present embodiment, the AC/DC converting unit 10 is with the rectification circuit 20 for converting alternating current to
Direct current.Wherein, the AC/DC converting unit 10 is connected with the rectification circuit 20.The fast charge output interface 30 with it is described
Output interface 40 is in parallel.
In the present embodiment, the fast charge output interface 30 is Type-C interface, for being electrically connected Type-C data line.
The output interface 40 is USB-A interface, for being electrically connected USB-A data line.
In the present embodiment, the DC/DC converting unit 60 is for being depressured direct current.The field-effect tube 50
It is parallel between the fast charge output interface 30 and the output interface 40 with the DC/DC converting unit 60.
When the output voltage of the fast charge output interface 30 is less than the first preset voltage value, the field-effect tube 50 is led
Logical, the 60 place circuit of DC/DC converting unit disconnects.When the output voltage of the fast charge output interface 30 is greater than or equal to institute
When stating the first preset voltage value, the field-effect tube 50 is disconnected, 60 place circuit of the DC/DC converting unit conducting.In this reality
It applies in mode, first preset voltage value is between 5.6V~6V.
Preferably, first preset voltage value is 5.8V.That is, the output voltage when the fast charge output interface 30 is less than
When 5.8V, the field-effect tube 50 is connected, and the 60 place circuit of DC/DC converting unit disconnects.When the fast charge output interface
When 30 output voltage is greater than or equal to 5.8V, the field-effect tube 50 is disconnected, and the 60 place circuit of DC/DC converting unit is led
It is logical.
Since the internal resistance of the field-effect tube 50 is minimum, so that partial pressure will not be generated, electricity is exported in fast charge output interface 30
When pressure is less than 5.8V, the output voltage of output interface 40 will not be substantially reduced, and so as to improve user experience, improve charge efficiency.
Further, the charger 1 further includes detection circuit 70, is electrically connected with the field-effect tube 50, for detecting
The output voltage of the fast charge output interface 30.In the present embodiment, the detection circuit 70 is bypass detection circuit.
Further, the charger 1 further includes control unit 80, respectively with the detection circuit 70, field-effect tube 50
And the DC/DC converting unit 60 is electrically connected, and detects the fast charge output interface 30 for receiving the detection circuit 70
The detection signal exported after output voltage, and the field-effect tube 50 and DC/DC is controlled according to the detection signal and is converted
60 place circuit of unit is turned on or off.
Specifically, when detecting that the output voltage of the fast charge output interface 30 is in the predetermined voltage range, institute
It states detection circuit 70 and exports high level detection signal, described control unit 80 is when receiving the high level detection signal, control
It makes the conducting of field-effect tube 50 and controls the 60 place circuit of DC/DC converting unit and disconnect.When detecting the fast charge
When the output voltage of output interface 30 is not in the predetermined voltage range, the detection circuit 70 exports low level detection letter
Number, described control unit 80 controls the field-effect tube 50 and disconnects and control when receiving the low level detection signal
60 place circuit of the DC/DC converting unit conducting.
Further, the charger 1 further includes protection circuit 90, is electrically connected with the field-effect tube 50, for working as institute
State fast charge output interface 30 output voltage be greater than or equal to the second preset voltage value when, disconnect the field-effect tube 50 with it is described
Electrical connection between output interface 40, to play the role of the protection field-effect tube 50.In the present embodiment, described second
Preset voltage value is between 5.6V~6V.Preferably, second preset voltage value is 5.8V.
Referring to Fig. 2, in the present embodiment, the protection circuit 90 includes output end 91 and two resistance R1, R2.Institute
Protection circuit 90 is stated to be electrically connected with the source level of the field-effect tube 50 and the output interface 40.
Finally it should be noted that above embodiments are only to illustrate the embodiments of the present invention rather than limit, although
The utility model is described in detail referring to preferred embodiment, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses.
Claims (10)
1. a kind of charger, it is characterised in that: including AC/DC converting unit, rectification circuit, fast charge output interface, output interface,
Field-effect tube and DC/DC converting unit, wherein the AC/DC converting unit is connected with the rectification circuit, the fast charge output
Interface is in parallel with the output interface, and the field-effect tube and the DC/DC converting unit are parallel to the fast charge output interface
Between the output interface, when the output voltage of the fast charge output interface is less than the first preset voltage value, the field effect
Should pipe conducting, circuit disconnects where the DC/DC converting unit；When the output voltage of the fast charge output interface is greater than or equal to
When first preset voltage value, the field-effect tube is disconnected, circuit conducting where the DC/DC converting unit.
2. charger as described in claim 1, it is characterised in that: the fast charge output interface is Type-C interface, described defeated
Outgoing interface is USB-A interface.
3. charger as described in claim 1, it is characterised in that: the charger further includes detection circuit, is imitated with the field
Should pipe electrical connection, for detecting the output voltage of the fast charge output interface.
4. charger as claimed in claim 3, it is characterised in that: the charger further includes control unit, respectively with it is described
Detection circuit, field-effect tube and DC/DC converting unit electrical connection detect the fast charge for receiving the detection circuit
The detection signal exported after the output voltage of output interface, and according to the detection signal control the field-effect tube with it is described
Circuit where DC/DC converting unit is turned on or off.
5. charger as claimed in claim 3, it is characterised in that: first preset voltage value is between 5.6V~6V.
6. charger as claimed in claim 5, it is characterised in that: first preset voltage value is 5.8V.
7. such as charger of any of claims 1-6, it is characterised in that: the charger further includes protection circuit,
It is electrically connected with the field-effect tube, is greater than or equal to the second preset voltage value for the output voltage when the fast charge output interface
When, disconnect being electrically connected between the field-effect tube and the output interface.
8. charger as claimed in claim 7, it is characterised in that: the protection circuit includes output end and two resistance, institute
Protection circuit is stated to be electrically connected with the source level of the field-effect tube and the output interface.
9. charger as claimed in claim 8, it is characterised in that: second preset voltage value is between 5.6V~6V.
10. charger as claimed in claim 9, it is characterised in that: second preset voltage value is 5.8V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322600.8U CN209516714U (en) | 2019-03-13 | 2019-03-13 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920322600.8U CN209516714U (en) | 2019-03-13 | 2019-03-13 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516714U true CN209516714U (en) | 2019-10-18 |
Family
ID=68187332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920322600.8U Active CN209516714U (en) | 2019-03-13 | 2019-03-13 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260348A (en) * | 2020-09-30 | 2021-01-22 | 安克创新科技股份有限公司 | Charging control circuit and charging equipment |
-
2019
- 2019-03-13 CN CN201920322600.8U patent/CN209516714U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112260348A (en) * | 2020-09-30 | 2021-01-22 | 安克创新科技股份有限公司 | Charging control circuit and charging equipment |
| WO2022068397A1 (en) * | 2020-09-30 | 2022-04-07 | 安克创新科技股份有限公司 | Charging control circuit and charging device |
| CN112260348B (en) * | 2020-09-30 | 2023-11-17 | 安克创新科技股份有限公司 | Charging control circuit and charging equipment |
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| GR01 | Patent grant |