CN208797651U - A kind of power supply adaptor - Google Patents

A kind of power supply adaptor Download PDF

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Publication number
CN208797651U
CN208797651U CN201821237969.0U CN201821237969U CN208797651U CN 208797651 U CN208797651 U CN 208797651U CN 201821237969 U CN201821237969 U CN 201821237969U CN 208797651 U CN208797651 U CN 208797651U
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CN
China
Prior art keywords
circuit
power
delivery outlet
output
power supply
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Expired - Fee Related
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CN201821237969.0U
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Chinese (zh)
Inventor
林荣聪
张定港
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Individual
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Individual
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Abstract

The utility model belongs to power technique fields, provides a kind of power supply adaptor comprising connects the input port of external power supply, is used for input ac power;The first delivery outlet for connecting charging cable, for receiving end wired charging;Second delivery outlet connects induction coil, for the wireless charging to receiving end;Wired charging circuit is exported by first delivery outlet to charge prepd;Wireless charging circuit includes driving circuit, resonance circuit, feed circuit, signal processing circuit and microprocessor;Driving circuit generates the AC signal of certain frequency, and the resonance circuit is connect with the driving circuit and second delivery outlet, to supply electric power needed for receiving end.Be provided simultaneously with the function of wired charging and wireless charging, and by the external induction coil of delivery outlet, by its induction coil independently of adapter except, quiescent operation power can be substantially reduced.

Description

A kind of power supply adaptor
Technical field
The utility model belongs to power technique fields more particularly to a kind of power supply adaptor.
Background technique
The power supply adaptor peddled on the market generally only has the function of wired charging, and is generally peddled on the market Wireless charging base be all unworthy of paying an adapter, when consumer needs simultaneously using wired charging and wireless charging function, need Two different charging equipments are configured, the puzzlement for causing consumer very big.
In addition, power transmission is that the energy generated by LC resonance passes in the inductive power supply circuit of 3C electronic industry at present Therefore receiving end, is needed to export a detecting electric power, is connect with determining whether with power supply needed for charger when finding receiving end Receiving end then just has electric power output, such as without receiving end, transmitting terminal can only export detecting electric power, and the detecting is electric if any receiving end Power can greatly increase the excess loss of circuit.
Utility model content
The purpose of this utility model is to provide a kind of power supply adaptors, it is intended to solve present in traditional technical solution Wired charging and wireless charging can not be general problem.
A kind of power supply adaptor, the power supply adaptor include:
Input port connects external power supply, is used for input ac power;
First delivery outlet connects charging cable, for charge prepd wired charging;
Second delivery outlet connects induction coil, for the wireless charging to receiving end;
Wired charging circuit is connected between the input port and first delivery outlet, and the wired charging circuit will Alternating current is converted into DC low voltage power supply, is exported by first delivery outlet to charge prepd;
Wireless charging circuit is connected between the input port and second delivery outlet, the wireless charging circuit packet Include driving circuit, resonant capacitance, the first feed circuit, signal processing circuit and microprocessor;The driving circuit generates certain The AC signal of frequency, the resonant capacitance are connect with the driving circuit and second delivery outlet, to connect described in supply Electric power needed for receiving end, second delivery outlet obtain the modulated signal that receiving end exports, the modulation by the induction coil Signal is transmitted to the microprocessor after the processing of the signal processing circuit, and the microprocessor is believed according to the modulation Number and first feed circuit obtained by voltage or current data output power control data, change the defeated of the driving circuit Out.
In one embodiment, the Electric control data are electric by the output frequency or driving for changing driving circuit Pressure or pulse bandwidth, to change driving circuit output.
In one embodiment, further include charging indicator light, the charging indicator light and first delivery outlet and The second delivery outlet connection, to show the charged state of first delivery outlet and second delivery outlet receiving end.
It in one embodiment, further include NFC coil, the NFC coil is connect with second delivery outlet, to obtain The product information of receiving end.
It in one embodiment, further include temperature sensor, the temperature sensor is connect with the microprocessor, is used In detection induction coil operating temperature.
In one embodiment, first delivery outlet is base, and second delivery outlet is male seat, convenient for users to Identification.
In one embodiment, first delivery outlet is male seat, and second delivery outlet is base, convenient for users to Identification.
In one embodiment, further include power detection module, the power detection module and power control circuit with And microprocessor connection, the power detection module are used to detect the defeated of first delivery outlet and second delivery outlet Power out passes through the power control circuit when the output power is greater than the rated output power of the power supply adaptor And the microprocessor distributes first delivery outlet and the two delivery outlets output power.
In one embodiment, first delivery outlet and second delivery outlet are that USB interface or round power supply are defeated Outlet.
In addition, the utility model additionally provides a kind of power supply adaptor, the power supply adaptor includes:
Input port connects external power supply, is used for input ac power;
Power output, the power output connection charging cable or induction coil;
Wired charging circuit is connected between the input port and first delivery outlet, and the wired charging circuit will Alternating current is converted into DC low voltage power supply, is exported by first delivery outlet to charge prepd;
Wireless charging circuit is connected between the input port and second delivery outlet, the wireless charging circuit packet Include driving circuit, resonant capacitance, the first feed circuit, signal processing circuit and microprocessor;The driving circuit generates certain The AC signal of frequency, the resonant capacitance are connect with the driving circuit and second delivery outlet, to connect described in supply Electric power needed for receiving end, second delivery outlet obtain the modulated signal that receiving end exports, the modulation by the induction coil Signal is transmitted to the microprocessor after the processing of the signal processing circuit, and the microprocessor is believed according to the modulation Number and first feed circuit obtained by voltage or current data output power control data, change the defeated of the driving circuit Out;
Circuit for detecting, the circuit for detecting are connect with the wired charging circuit and the wireless charging circuit respectively, institute It states circuit for detecting and is selected according to detecting result wired defeated for detecting the access style of the power output, the circuit for detecting Circuit or wireless output circuit out-put supply out.
Circuit needed for wired charging and wireless charging is placed in the same power supply adaptor by above-mentioned power supply adaptor, It is provided simultaneously with the function of wired charging and wireless charging, and by the external induction coil of delivery outlet, by its induction coil independence Except adapter, this can accomplish thinner not only in wireless charging base, and external form is easier to design, and does not access in induction coil When delivery outlet, adapter can not constitute complete resonant tank, will not export detecting electric power, can substantially reduce quiescent operation function Rate.
Detailed description of the invention
Fig. 1 is the electrical block diagram for the power supply adaptor that the utility model first embodiment provides;
Fig. 2 is the structural schematic diagram for the power supply adaptor that the utility model first embodiment provides;
Fig. 3 is the electrical block diagram of wired charging circuit in power supply adaptor shown in FIG. 1;
Fig. 4 is the electrical block diagram of wireless line charging circuit in power supply adaptor shown in FIG. 1;
Fig. 5 is the electrical block diagram of another embodiment of wireless charging circuit in power supply adaptor shown in FIG. 1;
Fig. 6 is the electrical block diagram for the power supply adaptor that the utility model second embodiment provides;
Fig. 7 is the structural schematic diagram for the power supply adaptor that the utility model second embodiment provides;
Fig. 8 is the partial circuit schematic diagram for the power supply adaptor that the utility model second embodiment provides;
Fig. 9 is the product stereoscopic schematic diagram for the power supply adaptor that the utility model second embodiment provides;
Figure 10 is the product stereoscopic schematic diagram for the induction coil that the utility model second embodiment provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Fig. 1 shows the structural representation of the power supply adaptor in the first embodiment of the utility model preferred embodiment offer Figure.
As depicted in figs. 1 and 2, a kind of power supply adaptor, the power supply adaptor include: input port 10, wired charging circuit 20, wireless charging circuit 30, the first delivery outlet 40 and the second delivery outlet 50.Input port 10 connects external power supply, hands over for inputting Galvanic electricity source;First delivery outlet 40 connects external charging line, for charge prepd wired charging;The connection induction of second delivery outlet 50 Coil 34, for the wireless charging to receiving end;Wired charging circuit 20 is connected between input port 10 and the first delivery outlet 40, By the output of the first delivery outlet 40 to charge prepd, wireless charging circuit 30, be connected to input port 10 and the second delivery outlet 50 it Between.
As shown in figure 3, alternating current is converted into DC low voltage power supply by wired charging circuit 20, exported by the first delivery outlet 40 To charge prepd.Wired charging circuit 20 includes current rectifying and wave filtering circuit 21, coupling circuit 22, output circuit 23, power supply control electricity Road 24 and the second feed circuit 25, current rectifying and wave filtering circuit 21 are connect with input port 10, and the alternating voltage that input port 10 is inputted turns It is changed to DC low-voltage voltage, which is exported by coupling circuit 22 and output circuit 23 to the first delivery outlet 40, power supply Control circuit 24 is connect with the second feed circuit 25 and current rectifying and wave filtering circuit 21, and the second feed circuit 25 connects output circuit 23, Second feed circuit 25 is by the Voltage Feedback of output circuit 23 to power control circuit 24, and power control circuit 24 is according to output The voltage control coupling circuit 22 and current rectifying and wave filtering circuit 21 of circuit 23, to control the output of wired charging circuit 20 to the first output The voltage of mouth 40.
As shown in figure 4, wireless charging circuit 30 is connected between input port 10 and the second delivery outlet 50, wireless charging circuit 30 include driving circuit 32, resonant capacitance 33, the first feed circuit 35, signal processing circuit 36 and microprocessor 31;Driving electricity Road 32 generates the AC signal of certain frequency, and resonant capacitance 33 is connect with driving circuit 32 and the second delivery outlet 50, with supply Electric power needed for receiving end, the second delivery outlet 50 obtain the modulated signal of receiving end output, modulated signal warp by induction coil 34 It is transmitted to microprocessor 31 after crossing the processing of signal processing circuit 36, microprocessor 31 is according to modulated signal and the first feedback electricity 35 gained voltage of road or current data output power control data, change the output of driving circuit 32.Specifically, microprocessor The Electric control data of 31 outputs pass through output frequency, driving voltage or the pulse bandwidth of driving circuit 32, defeated to change electric power Out.In the second 50 external induction coil 34 of delivery outlet, NFC coil is connect with the second delivery outlet 50, and power supply adaptor passes through NFC The product information of coil acquisition receiving end.
First delivery outlet 40 and the second delivery outlet 50 are USB interface or round power output 40 '.The USB interface is USB2.0, USB3.0 or Type-C interface etc., is used for transmission power supply.First delivery outlet 40 is base, and the second delivery outlet 50 is public affairs Seat or the first delivery outlet 40 are male seat, and the second delivery outlet 50 is base, convenient for users to identification.
For the safty in use, power supply adaptor provided by the embodiment of the utility model further includes temperature sensor, and temperature passes Sensor is used to detect the operating temperature of power supply adaptor, when operating temperature is greater than preset temperature, passes through microprocessor 31 and electricity The control of source control circuit 24 disconnects the output of the first delivery outlet 40 and the second delivery outlet 50.
It further, further include power detection module, power detection module and power control circuit 24 and microprocessor 31 Connection, power detection module is used to detect the output power of the first delivery outlet 40 and the second delivery outlet 50, when output power is greater than When the rated output power of power supply adaptor, pass through the power control circuit 24 and the distribution of the microprocessor 31 first 50 output power of delivery outlet 40 and the second delivery outlet.
It further, further include that charging indicator light, charging indicator light and the first delivery outlet 40 and the second delivery outlet 50 connect It connects, to show the charged state of the first delivery outlet 40 and 50 receiving end of the second delivery outlet.Specifically, charging indicator light includes First indicator light and the second indicator light, the first indicator light are connect with the first delivery outlet 40, the second indicator light and the second delivery outlet 50 Connection, when the first delivery outlet 40 has voltage output, the first indicator light is bright, when the second delivery outlet 50 has voltage output, second Indicator light is bright.
In order not to consume too big electric power, transmitting terminal only can send out detecting electric power usually, via LC resonance, pass through induction coil 34 send detecting electric power, to determine whether receiving end connection, access if any receiving end, electric power output are just had, such as without receiving end Access, transmitting terminal can only export detecting electric power, and the output of its induction coil 34 is connected on interface by the utility model embodiment, When not plugging induction coil 34, then it is not required to output detecting electric power, substantially reduces transmitting terminal static power consumption.
As shown in figure 5, in another embodiment, wireless charging circuit 30 includes driving circuit 32, resonant capacitance 33, second Feed circuit 25, signal processing circuit 36, microprocessor 31 and adjustable voltage circuit 37.Adjustable voltage circuit 37 and driving circuit 32 connections, provide the supply voltage of driving circuit 32, and driving circuit 32 generates the AC signal of certain frequency, resonant capacitance 33 It is connect with driving circuit 32 and the second delivery outlet 50, to supply electric power needed for receiving end, the second delivery outlet 50 passes through the line of induction Circle 34 obtains the modulated signal of receiving end output, and modulated signal is transmitted to microprocessor after the processing of signal processing circuit 36 31, microprocessor 31 controls data according to modulated signal and 35 gained voltage of the first feed circuit or current data output power, Change the output of driving circuit 32.Specifically, the Electric control data that microprocessor 31 exports are by changing adjustable electric 37 output voltage of volt circuit, and then change output power size.Wherein, which is by resonant capacitance 33 and induction coil 34 are constituted, and using the resonance characteristic of resonance circuit, deliver power to receiving end, receiving end obtains this electric power, judges its electric power Electric power with required electric power is poor, and converts thereof into modulated signal, which is transmitted to induction coil 34 through overmodulated circuit.
As shown in Figure 6 and Figure 7, it is suitable to additionally provide the power supply in another embodiment of preferred embodiment offer for the utility model The structural schematic diagram of orchestration.A kind of power supply adaptor, comprising: input port 10 ', wired charging circuit 20 ', wireless charging circuit 30 ', power output 40 ' and circuit for detecting 50 '.Input port 10 ' connects external power supply, is used for input ac power;Power supply is defeated 40 ' connection charging cable of outlet or induction coil 34;Wired charging circuit 20 ', is connected to input port 10 ' and power output 40 ' Between, wired charging circuit 20 ' is connected between input port 10 ' and power output 40 ', is exported by power output 40 ' To charge prepd.Fig. 9 and Figure 10 is the product stereoscopic schematic diagram of power supply adaptor and induction coil that embodiment provides.
As shown in figure 3, alternating current is converted into DC low voltage power supply by wired charging circuit 20 ', it is defeated by power output 40 ' Out to charge prepd.Wired charging circuit 20 ' includes current rectifying and wave filtering circuit 21, coupling circuit 22, output circuit 23, power supply control Circuit 24 processed and the second feed circuit 25, current rectifying and wave filtering circuit 21 are connect with input port 10 ', the exchange that input port 10 ' is inputted Voltage is converted to DC low-voltage voltage, which is exported by coupling circuit 22 and output circuit 23 to power output 40 ', power control circuit 24 is connect with the second feed circuit 25 and current rectifying and wave filtering circuit 21, the connection output of the second feed circuit 25 Circuit 23, the second feed circuit 25 is by the Voltage Feedback of output circuit 23 to power control circuit 24, and power control circuit 24 Coupling circuit 22 and current rectifying and wave filtering circuit 21 are controlled according to the voltage of output circuit 23, to control the output of wired charging circuit 20 ' extremely The voltage of power output 40 '.
As shown in figure 4, wireless charging circuit 30 ' is connected between input port 10 ' and power output 40 ', wireless charging Circuit 30 includes driving circuit 32, resonant capacitance 33, the first feed circuit 35, signal processing circuit 36 and microprocessor 31;It drives Dynamic circuit 32 generates the AC signal of certain frequency, and resonant capacitance 33 is connect with driving circuit 32 and power output 40 ', To supply electric power needed for receiving end, power output 40 ' obtains the modulated signal of receiving end output by induction coil 34, adjusts Signal processed is transmitted to microprocessor 31 after the processing of signal processing circuit 36, and microprocessor 31 is according to modulated signal and One feed circuit, 35 gained voltage or current data output power control data, change the output of driving circuit 32.
As shown in Figure 6 and Figure 8, circuit for detecting 50 ' connects respectively at wired charging circuit 20 ' and wireless charging circuit 30 ' It connects, circuit for detecting 50 ' is used to detect the access style of power output 40 ', and circuit for detecting 50 ' selects wired according to detecting result 23 out-put supply of output circuit 23 or wireless output circuit.Specifically, as shown in figure 5, when power output 40 ' do not plug it is any Product, the detection signal that at this moment circuit for detecting 50 ' is sent out is no any voltage output at the end RX DATA, therefore be can determine whether Power output 40 ' is without in use.Since resonant capacitance C1 has resonance characteristic, the detecting of submitting with induction coil L1 When signal such as power output 40 ' connects induction coil L1, and resonance potential just can be detected at the end RX DATA in that, or in electricity It hinders and resonance current can be detected on R1, adapter is in wireless charging state.When power output 40 ' connects charging cable, submitting Detection signal when, since electronic product does not have induction coil L1 characteristic, the voltage detected by the end RX DATA is inevitable Electric current on or resistance R1 different from resonance potential also can be with resonance current difference, therefore just can determine whether that user wants is straight Galvanic electricity source.When confirmation power output 40 ' is desirable for DC power supply, the end DCON exports high level at this time, and switch S1 is opened, nothing Line charging circuit stops working.Switch S1 can by MOS or other etc. associated electricals switching circuitry constitute, when confirmation power output 40 ' connection induction coils 34, the end DCON exports low level at this time, and switch S1 is closed, and wireless charging circuit is started to work.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of power supply adaptor, which is characterized in that the power supply adaptor includes:
Input port connects external power supply, is used for input ac power;
First delivery outlet connects charging cable, for charge prepd wired charging;
Second delivery outlet connects induction coil, for the wireless charging to receiving end;
Wired charging circuit is connected between the input port and first delivery outlet, and the wired charging circuit is by alternating current It is converted into DC low voltage power supply, is exported by first delivery outlet to charge prepd;
Wireless charging circuit is connected between the input port and second delivery outlet, and the wireless charging circuit includes driving Dynamic circuit, resonant capacitance, the first feed circuit, signal processing circuit and microprocessor;The driving circuit generates certain frequency AC signal, the resonant capacitance is connect with the driving circuit and second delivery outlet, to supply the receiving end Required electric power, second delivery outlet obtain the modulated signal that receiving end exports, the modulated signal by the induction coil Be transmitted to the microprocessor after the processing of the signal processing circuit, the microprocessor according to the modulated signal and Voltage obtained by first feed circuit or current data output power control data, change the output of the driving circuit.
2. power supply adaptor as described in claim 1, which is characterized in that the Electric control data are by changing driving circuit Output frequency or driving voltage or pulse bandwidth, to change driving circuit output.
3. power supply adaptor as described in claim 1, which is characterized in that it further include charging indicator light, the charging indicator light It is connect with first delivery outlet and second delivery outlet, to show first delivery outlet and second delivery outlet The charged state of receiving end.
4. power supply adaptor as described in claim 1, which is characterized in that further include NFC coil, the NFC coil with it is described Second delivery outlet connection, to obtain the product information of receiving end.
5. power supply adaptor as described in claim 1, which is characterized in that it further include temperature sensor, the temperature sensor It is connect with the microprocessor, for detecting induction coil operating temperature.
6. power supply adaptor as described in claim 1, which is characterized in that first delivery outlet is base, and described second is defeated Outlet is male seat, convenient for users to identification.
7. power supply adaptor as described in claim 1, which is characterized in that first delivery outlet is male seat, and described second is defeated Outlet is base, convenient for users to identification.
8. power supply adaptor as described in claim 1, which is characterized in that it further include power detection module, the power detection Module is connect with power control circuit and the microprocessor, and the power detection module is for detecting first delivery outlet With the output power of second delivery outlet, when the output power be greater than the power supply adaptor rated output power when, First delivery outlet and the two delivery outlets output work are distributed by the power control circuit and the microprocessor Rate.
9. power supply adaptor as described in claim 1, which is characterized in that first delivery outlet and second delivery outlet are USB interface or round power output.
10. a kind of power supply adaptor, which is characterized in that the power supply adaptor includes:
Input port connects external power supply, is used for input ac power;
Power output, the power output connection charging cable or induction coil;
Wired charging circuit is connected between the input port and the power output, and the wired charging circuit is by alternating current It is converted into DC low voltage power supply, is exported by the power output to charge prepd;
Wireless charging circuit is connected between the input port and the power output, and the wireless charging circuit includes driving Dynamic circuit, resonant capacitance, the first feed circuit, signal processing circuit and microprocessor;The driving circuit generates certain frequency AC signal, the resonant capacitance is connect with the driving circuit and the power output, to supply needed for receiving end Electric power, the power output obtain the modulated signal that receiving end exports by the induction coil, and the modulated signal is passed through It is transmitted to the microprocessor after the processing of the signal processing circuit, the microprocessor is according to the modulated signal and described Voltage obtained by first feed circuit or current data output power control data, change the output of the driving circuit;
Circuit for detecting, the circuit for detecting is connect with the wired charging circuit and the wireless charging circuit respectively, described to detect Slowdown monitoring circuit is used to detect the access style of the power output, and the circuit for detecting selects wired output electricity according to detecting result Road or wireless output circuit out-put supply.
CN201821237969.0U 2018-08-02 2018-08-02 A kind of power supply adaptor Expired - Fee Related CN208797651U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821237969.0U CN208797651U (en) 2018-08-02 2018-08-02 A kind of power supply adaptor

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Application Number Priority Date Filing Date Title
CN201821237969.0U CN208797651U (en) 2018-08-02 2018-08-02 A kind of power supply adaptor

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CN208797651U true CN208797651U (en) 2019-04-26

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CN201821237969.0U Expired - Fee Related CN208797651U (en) 2018-08-02 2018-08-02 A kind of power supply adaptor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707494A (en) * 2019-09-06 2020-01-17 华乙半导体(深圳)有限公司 USB charging wire, USB charging system and desk lamp
CN113964887A (en) * 2021-10-25 2022-01-21 环荣电子(惠州)有限公司 Power supply configuration system with power adapter and power supply output module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707494A (en) * 2019-09-06 2020-01-17 华乙半导体(深圳)有限公司 USB charging wire, USB charging system and desk lamp
WO2021043155A1 (en) * 2019-09-06 2021-03-11 华乙半导体(深圳)有限公司 Usb charging cable, usb charging system, and desk lamp
CN114402490A (en) * 2019-09-06 2022-04-26 华乙半导体(深圳)有限公司 USB charging wire, USB charging system and desk lamp
CN113964887A (en) * 2021-10-25 2022-01-21 环荣电子(惠州)有限公司 Power supply configuration system with power adapter and power supply output module

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