CN207426721U - A kind of charger - Google Patents
A kind of charger Download PDFInfo
- Publication number
- CN207426721U CN207426721U CN201720789738.XU CN201720789738U CN207426721U CN 207426721 U CN207426721 U CN 207426721U CN 201720789738 U CN201720789738 U CN 201720789738U CN 207426721 U CN207426721 U CN 207426721U
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- circuit
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- current
- charger
- combining
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 9
- 238000007600 charging Methods 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of charger, the input circuit of the charger includes direct-flow input circuit, ac input circuit and Combining Circuit, direct-flow input circuit connects external dc power and Combining Circuit, for inputting the DC current of external world's input to Combining Circuit, ac input circuit connects external ac power source and Combining Circuit, after the alternating current of external world's input is converted to DC current, it inputs to Combining Circuit, the input connection direct-flow input circuit and ac input circuit of Combining Circuit, input connection conversion circuit, DC current for that will input is exported after being combined to conversion circuit, so, charger can support DC charging and AC charging simultaneously, solve the problems, such as that existing charging modes are single, enhance the usage experience of user.
Description
Technical field
The utility model is related to charger field more particularly to a kind of chargers.
Background technology
Proportion is more and more important in people's daily life for electrical equipment, then how these electrical equipments charge just
The problem of being user's concern.In the prior art, user can only often be charged using alternating current (alternating current of 220V), also only
Direct current (charger baby) etc. can be used to charge, charging modes are single.
Utility model content
The utility model embodiment provides a kind of charger, to solve the problems, such as that existing charging modes are single.
To solve the above-mentioned problems, the utility model provides a kind of charger, including sequentially connected input circuit, turns
Change circuit and output circuit；Input circuit includes direct-flow input circuit, ac input circuit and Combining Circuit；Direct-flow input circuit
External dc power and Combining Circuit are connected, for inputting the DC current of external world's input to Combining Circuit；Exchange input electricity
Road connects external ac power source and Combining Circuit, and after the alternating current of external world's input is converted to DC current, input is extremely
Combining Circuit；The input connection direct-flow input circuit and ac input circuit of Combining Circuit, input connection conversion circuit, for inciting somebody to action
It is exported after the DC current combining of input to conversion circuit.
Further, conversion circuit includes level shifting circuit, and level shifting circuit is used for the electricity for inputting input circuit
Galvanic electricity flat turn is changed to the target level of output current.
Further, level shifting circuit lifts voltage conversion circuit for full-bridge.
Further, conversion circuit includes the first filter circuit, the input connection level shifting circuit of the first filter circuit
Output, the first filter circuit output connection output circuit, be filtered for the output current to level shifting circuit.
Further, conversion circuit includes control circuit, and control circuit is used to control level shifting circuit.
Further, control circuit includes current detection circuit, and current detection circuit is for detecting input current and/or defeated
Go out electric current, according to input current and/or the testing result of output current, control level shifting circuit.
Further, control circuit includes environment measuring circuit, and environment measuring circuit is used to detect working environment parameter, root
According to working environment parameter, level shifting circuit is controlled.
Further, output circuit includes Sofe Switch and feedback circuit, and Sofe Switch is used to connect external device, feedback circuit
Connect conversion circuit.
Further, input circuit further includes input control circuit, and input control circuit is used to gate direct-flow input circuit
And/or ac input circuit.
Further, Combining Circuit include diode Combining Circuit and the second filter circuit, diode Combining Circuit it is defeated
Enter and connect direct-flow input circuit and ac input circuit, the input of input the second filter circuit of connection, for the direct current that will be inputted
Output is to the second filter circuit after electric current combining, and the output of the second filter circuit connects conversion circuit, for the electric current to input
After being filtered, export to conversion circuit.
The advantageous effect of the utility model embodiment：
The utility model embodiment provides a kind of charger, the input circuit of the charger include direct-flow input circuit,
Ac input circuit and Combining Circuit, direct-flow input circuit connection external dc power and Combining Circuit, for the external world to be inputted
DC current input to Combining Circuit, ac input circuit connection external ac power source and Combining Circuit, for will be extraneous defeated
After the alternating current entered is converted to DC current, input to Combining Circuit, the input connection direct-flow input circuit of Combining Circuit with
Ac input circuit, input connection conversion circuit, the DC current for that will input are exported after being combined to conversion circuit, in this way,
Charger can support DC charging and AC charging simultaneously, solve the problems, such as that existing charging modes are single, enhance use
The usage experience at family.
Description of the drawings
Fig. 1 is the structure diagram for the charger that the utility model first embodiment provides；
Fig. 2 is the circuit diagram for the conversion circuit that the utility model first embodiment provides；
Fig. 3 is the circuit diagram for the control circuit that the utility model first embodiment provides；
Fig. 4 is the circuit diagram for the output circuit that the utility model first embodiment provides；
Fig. 5 is the circuit diagram for the input circuit that the utility model first embodiment provides；
Fig. 6 is the circuit diagram for the Combining Circuit that the utility model first embodiment provides；
Fig. 7 is the structure diagram for the charger that the utility model second embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is part of the embodiment rather than whole in the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model is related to charger can be used for wired charging and can be used for wireless charging, it is only necessary to input
Circuit is correspondingly improved, and is hereafter illustrated by taking wired charging as an example.
Further annotation explanation is now made to the utility model by way of specific embodiment combination attached drawing.
First embodiment：
Fig. 1 is the structure diagram for the charger that the utility model embodiment provides, as shown in Figure 1, the present embodiment provides
Charger 1 include：Including sequentially connected input circuit 11, conversion circuit 12 and output circuit 13；Input circuit 11 includes
Direct-flow input circuit 111, ac input circuit 112 and Combining Circuit 113；Direct-flow input circuit 111 connects external dc power
With Combining Circuit 113, the DC current for the external world to be inputted is inputted to Combining Circuit 113；Ac input circuit 112 connects outer
Portion's AC power and Combining Circuit 113, after the alternating current of external world's input is converted to DC current, input is extremely combined electricity
Road 113；Input connection direct-flow input circuit 111 and the ac input circuit 112 of Combining Circuit 113, input connection conversion circuit
12, the DC current for that will input is exported after being combined to conversion circuit 12.
As shown in Fig. 2, in some embodiments, the conversion circuit 12 in above-described embodiment includes level shifting circuit 121,
Level shifting circuit 121 is used to be converted to the current level of input circuit input the target level of output current.
In some embodiments, the level shifting circuit 121 in above-described embodiment lifts voltage conversion circuit for full-bridge.
As shown in Fig. 2, in some embodiments, the conversion circuit 12 in above-described embodiment includes the first filter circuit 122,
The output of the input connection level shifting circuit 121 of first filter circuit 122, the output connection output of the first filter circuit 122
Circuit 13 is filtered for the output current to level shifting circuit.
As shown in Fig. 2, in some embodiments, the conversion circuit 12 in above-described embodiment includes control circuit 123, control
Circuit 123 is used to control level shifting circuit 121.
As shown in figure 3, in some embodiments, the control circuit 123 in above-described embodiment includes current detection circuit
1231, current detection circuit 1231 is for detecting input current and/or output current, according to input current and/or output current
Testing result, control level shifting circuit 121.
As shown in figure 3, in some embodiments, the control circuit 123 in above-described embodiment includes environment measuring circuit
1232, environment measuring circuit 1232, according to working environment parameter, controls level shifting circuit for detecting working environment parameter
121。
As shown in figure 4, in some embodiments, the output circuit 13 in above-described embodiment includes Sofe Switch 131 and feedback
Circuit 132, for Sofe Switch 131 for connecting external device, feedback circuit 132 connects conversion circuit.
As shown in figure 5, in some embodiments, the input circuit 11 in above-described embodiment further includes input control circuit
114, input control circuit 114 is used to gate direct-flow input circuit 111 and/or ac input circuit 112.
As shown in fig. 6, in some embodiments, the Combining Circuit 113 in above-described embodiment includes diode Combining Circuit
1131 and second filter circuit 1132, the input connection direct-flow input circuit 111 of diode Combining Circuit 1131 and exchanging inputs
Circuit 112, the input of input the second filter circuit 1132 of connection, the DC current for that will input are exported after being combined to the second filter
Wave circuit 1132, the output connection conversion circuit 12 of the second filter circuit 1132 are defeated after being filtered for the electric current to input
Go out to conversion circuit 12.
Second embodiment：
The present embodiment is illustrated by taking practical application scene as an example, the structure and signal stream of the charger that the present embodiment is related to
Trend, as shown in fig. 7, specifically, charger 7 includes：Input circuit 71, level shifting circuit 72 and output circuit 73, wherein,
Input circuit 71 includes ac/dc input control circuit 711, AC-DC conversion circuits 712, the anti-reverse guarantor of direct current
Protection circuit 713, ideal diode Combining Circuit 714, filter circuit 715；The function of each circuit has been described above,
It repeats no more；
Conversion circuit 72 includes full-bridge Buck-Boost DC-DC conversion circuits 721, filter circuit 722, Master control chip
723 and protection circuit 724；Wherein, in practical applications, for lithium polymer battery, rated voltage 8.4V, discharge current is most
Greatly 3.9A, Master control chip 723 by power road field-effect transistor carry out battery voltage detection, charging and discharging currents detection and
Charging and discharging currents control, and are 3A by maximum charging current control, specifically, it sends PWM (Pulse to conversion circuit 721
Width Modulation, pulse width modulation) signal carry out discharge current control；Circuit 724 is protected to include output overcurrent
Protection, input overcurrent protection and overheat protector etc., are described above, repeat no more；
Output circuit 73 includes Sofe Switch 731 and feedback circuit 732, wherein, Sofe Switch 731 is used to connect by wired mode
External equipment is connect, feedback circuit 732 feeds back to Master control chip 723 for output voltage, for its detection circuit state.
In summary, by the implementation of the utility model embodiment, at least there are following advantageous effects：
The utility model embodiment provides a kind of charger, the input circuit of the charger include direct-flow input circuit,
Ac input circuit and Combining Circuit, direct-flow input circuit connection external dc power and Combining Circuit, for the external world to be inputted
DC current input to Combining Circuit, ac input circuit connection external ac power source and Combining Circuit, for will be extraneous defeated
After the alternating current entered is converted to DC current, input to Combining Circuit, the input connection direct-flow input circuit of Combining Circuit with
Ac input circuit, input connection conversion circuit, the DC current for that will input are exported after being combined to conversion circuit, in this way,
Charger can support DC charging and AC charging simultaneously, solve the problems, such as that existing charging modes are single, enhance use
The usage experience at family.
It the above is only specific embodiment of the present utility model, limit in any form not done to the utility model
System, every arbitrary simple modification, equivalent variations, combination made according to the technical essence of the utility model to embodiment of above
Or modify, still fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. a kind of charger, which is characterized in that including sequentially connected input circuit, conversion circuit and output circuit；It is described defeated
Entering circuit includes direct-flow input circuit, ac input circuit and Combining Circuit；The direct-flow input circuit connects external dc electricity
Source and the Combining Circuit, for inputting the DC current of external world's input to the Combining Circuit；The ac input circuit
External ac power source and the Combining Circuit are connected, after the alternating current of external world's input is converted to DC current, input
To the Combining Circuit；The input of the Combining Circuit connects the direct-flow input circuit and ac input circuit, input connection
The conversion circuit, the DC current for that will input are exported after being combined to the conversion circuit.
2. charger as described in claim 1, which is characterized in that the conversion circuit includes level shifting circuit, the electricity
Flat conversion circuit is used to be converted to the current level that the input circuit inputs the target level of output current.
3. charger as claimed in claim 2, which is characterized in that the level shifting circuit is full-bridge buck conversion electricity
Road.
4. charger as claimed in claim 2, which is characterized in that the conversion circuit includes the first filter circuit, and described the
The input of one filter circuit connects the output of the level shifting circuit, and the output of first filter circuit connects the output
Circuit is filtered for the output current to the level shifting circuit.
5. charger as claimed in claim 2, which is characterized in that the conversion circuit includes control circuit, the control electricity
Road is used to control the level shifting circuit.
6. charger as claimed in claim 5, which is characterized in that the control circuit includes current detection circuit, the electricity
Current detection circuit is for detecting input current and/or output current, according to input current and/or the testing result of output current,
Control the level shifting circuit.
7. charger as claimed in claim 5, which is characterized in that the control circuit includes environment measuring circuit, the ring
Border detection circuit, according to working environment parameter, controls the level shifting circuit for detecting working environment parameter.
8. charger as described in claim 1, which is characterized in that the output circuit includes Sofe Switch and feedback circuit, institute
Sofe Switch is stated for connecting external device, the feedback circuit connects the conversion circuit.
9. such as claim 1 to 8 any one of them charger, which is characterized in that the input circuit further includes input control
Circuit, the input control circuit are used to gate the direct-flow input circuit and/or the ac input circuit.
10. charger as claimed in claim 9, which is characterized in that the Combining Circuit includes diode Combining Circuit and the
Two filter circuits, the input of the diode Combining Circuit connect the direct-flow input circuit and ac input circuit, and input connects
The input of second filter circuit is connect, the DC current for that will input is exported after being combined to second filter circuit, institute
The output for stating the second filter circuit connects the conversion circuit, after being filtered for the electric current to input, exports to described turn
Change circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789738.XU CN207426721U (en) | 2017-06-30 | 2017-06-30 | A kind of charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720789738.XU CN207426721U (en) | 2017-06-30 | 2017-06-30 | A kind of charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426721U true CN207426721U (en) | 2018-05-29 |
Family
ID=62398962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720789738.XU Active CN207426721U (en) | 2017-06-30 | 2017-06-30 | A kind of charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207426721U (en) |
-
2017
- 2017-06-30 CN CN201720789738.XU patent/CN207426721U/en active Active
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