CN209448486U - Wireless charging control circuit and mobile phone - Google Patents
Wireless charging control circuit and mobile phone Download PDFInfo
- Publication number
- CN209448486U CN209448486U CN201920250245.8U CN201920250245U CN209448486U CN 209448486 U CN209448486 U CN 209448486U CN 201920250245 U CN201920250245 U CN 201920250245U CN 209448486 U CN209448486 U CN 209448486U
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- module
- connector
- wireless receiving
- receiving module
- selection switch
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Abstract
A kind of wireless charging control circuit and mobile phone, by the way that coil is added, wireless receiving module, it is configured as unidirectionally for the output direct current of wireless receiving module being output to the anti-down flow module of connector, it is configured to supply the signaling module of the control signal of control charge efficiency and is configured to control the selection switch module whether signaling module outputs control signals to connector according to the DC voltage of the output of wireless receiving module, while realizing as equipment wireless charging, it ensure that charge rate, and when equipment uses wired charging, the electric energy of equipment will not flow back in wireless receiving module, it solves wireless charging module present in traditional technical solution to be generally difficult to be installed at traditional the problems in equipment inside for being only provided with line charge Electricity Functional.
Description
Technical field
The utility model belongs to wireless charging technical field more particularly to a kind of wireless charging control circuit, wireless charging
Device and mobile phone.
Background technique
Currently, wireless charging technology starts to apply on mobile phone as a kind of new science and technology, but the nothing of this novel mobile phone
Line charging module is often matched one by one with interior of mobile phone equipment, and traditional electronic equipment and without wireless charging function
It can or be only capable of by way of external wireless charging function to carry out wireless charging, such as traditional Android mobile phone, because passing
There is no reserve wireless charging power port, thus wireless charging module one for the inside of the electronic equipment for being only provided with line charge Electricity Functional of system
As be difficult to be installed at traditional be only provided in the electronic equipment internal of line charge Electricity Functional.
Therefore, it is generally difficult to be installed at there are wireless charging module in traditional technical solution and traditional is only provided with line charge
The problems in inside the equipment of Electricity Functional.
Utility model content
In view of this, the utility model embodiment provides a kind of wireless charging control circuit and mobile phone, it is intended to solve
Wireless charging module present in traditional technical solution is generally difficult to be installed at traditional electricity for being only provided with line charge Electricity Functional
The problems in inside sub- equipment.
The first aspect of the utility model embodiment provides a kind of wireless charging control circuit, passes through connector and equipment
Connection, the wireless charging control circuit includes: coil；Wireless receiving module, the wireless receiving module and the coil connect
It connects, the wireless receiving module is configured as the coil-induced alternating current being changed into direct current；Anti-down flow module, it is described
Anti-down flow module is connect with the power end of the wireless receiving module and the connector, the anti-down flow module be configured as by
The output direct current of the wireless receiving module is unidirectionally output to the connector；Signaling module, the input of the signaling module
End is connect with the power output end of the wireless receiving module, and the signaling module is configured to supply the control of control charge efficiency
Signal processed；And selection switch module, the selection switch module and the wireless receiving module, the signaling module and institute
Connector connection is stated, the selection switch module is configured to control according to the DC voltage of the output of the wireless receiving module
Whether the signaling module outputs control signals to the connector.
In one embodiment, the wireless receiving module includes wireless power source receiver.
In one embodiment, the anti-down flow module includes switching tube, the input terminal of the switching tube and described wireless
The power output end of receiving module connects, and the output end of the switching tube is connect with the power end of the connector, the switch
The control terminal of pipe is connect with the enable end of the wireless receiving module.
In one embodiment, the power output end of the control terminal of the selection switch module and the wireless receiving module
The common end of connection, the selection switch module is connect with the output end of the signaling module, described to select the of switch module
One output end is connect with the signal end of the connector, and the second output terminal of the selection switch module is hanging, and the selection is opened
Module is closed when the power output end of the wireless receiving module has the direct current of output, control signal is exported to the connection
Device.
In one embodiment, the signaling module includes first resistor, the first end of the first resistor and the nothing
The power output end of line receiving module connects, and the common end of the second end of the first resistor and the selection switch module connects
It connects.
In one embodiment, the selection switch module includes single pole double throw analog switch, the single pole double throw analog
The public terminal of switch is the common end of the selection switch module, and the normally opened terminal of the single pole double throw analog switch is described
Select the first output end of switch module, the normally closed terminal of single pole double throw analog switch is the of the selection switch module
Two output ends.
In one embodiment, the signaling module includes second resistance, 3rd resistor, the 4th resistance and the 5th electricity
The first end of resistance, the first end of the second resistance and the 3rd resistor and the power output end of the wireless receiving module connect
It connects, the first end of the second end of the second resistance and the 4th resistance is connected to the common end of the selection switch module altogether
4th end of first terminal, the second end of the 3rd resistor and the 4th resistance is connected to the public affairs of the selection switch module altogether
The Second terminal held altogether.
In one embodiment, the selection switch module includes single channel double-pole double throw analog switch, the single channel double-pole
The data bus terminal of double-throw analog switch is the common end of the selection switch module, the single channel double-pole double throw analog switch
First signal is to the normally open end for the selection switch module, and the second signal of the single channel double-pole double throw analog switch is to for institute
State the normal-closed end of selection switch module.
The second aspect of the utility model embodiment provides a kind of mobile phone, including above-mentioned wireless charging control circuit,
Mainboard, subplate, connection cable and the first connector, first connector are set on the subplate, and the wireless charging is automatically controlled
Circuit processed is connect by the connection cable with first connector.
In one embodiment, the mobile phone further includes the second connector, and second connector is set on the mainboard,
The wireless charging control circuit is connect by the connection cable with second connector.
Above-mentioned wireless charging control circuit, connect with the connector of equipment, and wireless charging control circuit is by being added line
Circle, wireless receiving module are configured as unidirectionally for the output direct current of wireless receiving module being output to the anti-backflow mould of connector
Block is configured to supply the signaling module for controlling the control signal of charge efficiency and is configured according to the defeated of wireless receiving module
Whether DC voltage control signaling module out outputs control signals to the selection switch module of connector, realizes as equipment
While wireless charging, charge rate ensure that, and when equipment uses wired charging, the electric energy of equipment will not flow back to nothing
In line receiving module, solves wireless charging module present in traditional technical solution and be generally difficult to be installed at and traditional only match
There is the problems in the equipment inside of wired charging function.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit diagram for the wireless charging control circuit that an embodiment of the present invention provides；
Fig. 2 is the exemplary circuit schematic diagram of wireless receiving module in wireless charging control circuit shown in FIG. 1；
Fig. 3 is the exemplary circuit schematic diagram of anti-down flow module in wireless charging control circuit shown in FIG. 1；
Fig. 4 is the exemplary circuit schematic diagram of signaling module in wireless charging control circuit shown in FIG. 1；
Fig. 5 is the exemplary circuit schematic diagram that switch module is selected in wireless charging control circuit shown in FIG. 1；
Fig. 6 is another exemplary circuit schematic diagram of signaling module in wireless charging control circuit shown in FIG. 1；
Fig. 7 is another exemplary circuit schematic diagram that switch module is selected in wireless charging control circuit shown in FIG. 1；
Fig. 8 is the structural schematic diagram for the mobile phone that an embodiment of the present invention provides；
Fig. 9 is the structural schematic diagram for the mobile phone that an embodiment of the present invention 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.
Referring to Fig. 1, the circuit diagram of wireless charging control circuit provided by the embodiment of the utility model, for the ease of
Illustrate, only the parts related to this embodiment are shown, and details are as follows:
Wireless charging control circuit in the present embodiment, is connect by connector 200 with equipment, it should be appreciated that setting here
Standby can be to have electronic equipment of line charge Electricity Functional, such as mobile phone, plate etc., and connector 200 can be in equipment
200 interface of connector in portion or independently of equipment.
Wireless charging control circuit includes: coil 100, wireless receiving module 300, anti-down flow module 400, signaling module
500 and selection switch module 600；Wireless receiving module 300 is connect with coil 100, anti-down flow module 400 and wireless receiving
Module 300 is connected with the power end of connector 200, and the input terminal of signaling module 500 and the power supply of wireless receiving module 300 export
End connection, selects switch module 600 to connect with wireless receiving module 300, signaling module 500 and connector 200；Wireless receiving
Module 300 is configured as the alternating current that coil 100 incudes being changed into direct current；Anti-down flow module is configured as wireless receiving
The output direct current of module 300 is unidirectionally output to connector 200, and signaling module 500 is configured to supply control charge efficiency
Signal is controlled, switch module 600 is selected to be configured to control the letter according to the DC voltage of the output of wireless receiving module 300
Whether number module 500 outputs control signals to connector 200.
It should be understood that wireless receiving module 300 can be chip or device with wireless power source receive capabilities, such as singly
Chip radio source receiver U1；Anti-down flow module 400, which can have to have, makes wireless receiving module 300 be that output direct current is unidirectional
The device for being output to connector 200 is constituted, such as diode, switching tube Q1 etc., when anti-down flow module 400 is made of switching tube Q1
When, control terminal can be controlled by the output signal of wireless receiving module 300；Signaling module 500 can be by the devices structure such as resistance
At signaling module 500 provides the control signal of control charge efficiency to connector 200, such as Type C interface type
Mobile phone, signaling module 500 provide control charge efficiency control signal to connector 200 CC foot to improve in wireless charging
Charge rate, and for the mobile phone of Micro usb type, signaling module 500 provides the control letter of control charge efficiency
The end D+ and the end D- of connector 200 number are given, to improve charge rate in wireless charging；Select switch module 600 can be by
Have selection switching function device to constitute, such as switch chip, bilateral analog switch.
It should be understood that the wireless charging control circuit in the present embodiment does not work in wireless receiving module, that is, not into
When row wireless charging, due to selecting the presence of switch module 600, signaling module 500 can not provide the control of control charge efficiency
Signal processed is to connector 200, when equipment uses wired charging method, is installed at wireless charging control circuit inside equipment simultaneously
It will not influence the progress of wired charging, and due to the presence of anti-down flow module 400, external power supply is conveyed to the direct current of equipment
It can't be transported in wireless charging control circuit.
Wireless charging control circuit in the present embodiment is connect with the connector 200 of equipment, and wireless charging control circuit is logical
It crosses and coil 100, wireless receiving module 300 is added, is configured as the output direct current of wireless receiving module 300 being unidirectionally output to
The anti-down flow module 400 of connector 200, be configured to supply control charge efficiency control signal signaling module 500 and
It is configured to control whether signaling module 500 outputs control signals to according to the DC voltage of the output of wireless receiving module 300
The selection switch module 600 of connector 200 while realizing as equipment wireless charging, ensure that charge rate, and when setting
When for using wired charging, the electric energy of equipment will not be flowed back in wireless receiving module 300, solve in traditional technical solution
Existing wireless charging module is generally difficult to be installed at traditional the problems in equipment inside for being only provided with line charge Electricity Functional.
Referring to Fig. 2, in one embodiment, wireless receiving module 300 includes wireless power source receiver U1, wherein AC1
End and the end AC2 are connect with coil 100, and the end VOUT is the power output end of wireless receiving module 300, and the end EN_OFF/ON is wireless
The enabled output end of receiving module 300, wireless power source receiver U1 can be wireless power source and receive chip and its peripheral circuit, example
Such as BQ51020, SN1303032.
Referring to Fig. 3, in one embodiment, anti-down flow module 400 includes switching tube Q1, the input terminal of switching tube Q1 with
The power output end of wireless receiving module 300 connects, and the output end of switching tube Q1 is connect with the power end of connector 200, switchs
The control terminal of pipe Q1 is connect with the enabled output end of wireless receiving module 300.
It should be understood that switching tube Q1 can be metal-oxide-semiconductor, IGBT thyristor, triode etc., or the integrated electricity of switching tube Q1
Road, such as SIA913ADJ.
It should be understood that working as wireless receiving module 300 at work, the enable end of wireless receiving module 300 exports high level, opens
Pipe Q1 conducting is closed, at this point, the power output end output direct current of wireless receiving module 300 is transported to connector by switching tube Q1
200, when wireless receiving module 300 does not work, the enable end of wireless receiving module 300 exports low level, and switching tube Q1 ends,
At this point, the power supply of the output end of switching tube Q1 can not flow back into wireless receiving module 300.
Should immediately, in other embodiments, anti-down flow module 400 can also be made of diode, diode anode with
The power output end of wireless receiving module 300 connects, and the cathode of diode is connect with the power end of connector 200.
In one embodiment, the power output end of the control terminal and wireless receiving module 300 that select switch module 600 connects
It connects, the common end of switch module 600 is selected to connect with the output end of signaling module 500, select the first output of switch module 600
End is connect with the signal end of connector 200, selects the second output terminal of switch module 600 hanging, selects switch module 600 in nothing
When the power output end of line receiving module 300 has the direct current of output, control signal is exported to connector 200.
Referring to Fig. 4, in one embodiment, signaling module 500 includes first resistor R1, the first end of first resistor R1
It is connect with the power output end of wireless receiving module 300, the second end of first resistor R1 and the common end of selection switch module 600
Connection.
Referring to Fig. 5, in one embodiment, selecting switch module 600 includes single pole double throw analog switch U2, hilted broadsword is double
That throws analog switch U2 selects end Select for the control terminal for selecting switch module 600, and single pole double throw analog switch U2's is public
Terminal A is the common end for selecting switch module 600, and the normally opened terminal B1 of single pole double throw analog switch U2 is selection switch module
600 the first output end, the normally closed terminal B0 of single pole double throw analog switch U2 are the second output terminal for selecting switch module 600.
It should be understood that the power output end of wireless receiving module 300 exports a height when wireless receiving module 300 works
Level is to the selection end Select of single pole double throw analog switch U2, the public terminal A and list of single pole double throw analog switch U2 at this time
The normally opened terminal B1 of dpdt double-pole double-throw (DPDT) analog switch U2 is connected, i.e., the control signal of signaling module 500 is switched by single pole double throw analog
U2 is transported to the data terminal DATA OUT of connector 200, it should be appreciated that when connector is Type C connector, data terminal DATA
OUT is the end CC；When wireless receiving module 300 does not work, the power output end of wireless receiving module 300 exports a low level
To the selection end Select of single pole double throw analog switch U2, the public terminal A of single pole double throw analog switch U2 and hilted broadsword are double at this time
The normally closed terminal B0 for throwing analog switch U2 is connected, i.e. the control signal of signaling module 500 cannot pass through single pole double throw analog switch
U2 is transported to the data terminal DATA OUT of connector 200, i.e. the control signal of signaling module 500 will not influence equipment and use other
Charging modes charging.
Referring to Fig. 6, in one embodiment, signaling module 500 includes second resistance R2,3rd resistor R3, the 4th electricity
Hinder R4 and the 5th resistance R5, the first end of second resistance R2 and the first end of 3rd resistor R3 and wireless receiving module 300
The first end of power output end connection, the second end of second resistance R2 and the 4th resistance R4 are connected to selection switch module 600 altogether
The 4th end of the first terminal of common end, the second end of 3rd resistor R3 and the 4th resistance R4 are connected to selection switch module 600 altogether
Common end Second terminal.
Referring to Fig. 7, in one embodiment, selecting switch module 600 includes single channel double-pole double throw analog switch, single channel
The data bus terminal D+/D- of double-pole double throw analog switch is the common end for selecting switch module 600, and the simulation of single channel double-pole double throw is opened
Close the first signal to D1+/D1- be selection switch module 600 the first output end, the second of single channel double-pole double throw analog switch
Signal is the second output terminal for selecting switch module 600 to D2+/D2-.
It should be understood that the data bus terminal D+/D- of single channel double-pole double throw analog switch is respectively to select switch module 600 public
The first terminal and Second terminal at end.
It should be understood that in the present embodiment, selecting the first output end of switch module 600 and the differential signal of connector 200
Opposite end connection, such as when connector 200 is Micro USB connector, select the first output end of switch module 600 (i.e. single
First signal of road double-pole double throw analog switch is to D1+/D1-) it is connect with the differential signal opposite end D+/D- of connector.
Referring to Fig. 8, the second aspect of the utility model provides a kind of mobile phone, in one embodiment, mobile phone includes
Above-mentioned wireless charging control circuit 10, mainboard 20, subplate 30, connection cable 40 and the first connector 50, the first connector
50 are set on subplate 30, and wireless charging control circuit 10 is connect by connection cable 40 with the first connector 50.
It should be understood that but when above-mentioned wireless charging control circuit application mobile phone in the present embodiment, connector 200 and first
Connector 50 is same a connector.
Referring to Fig. 9, in another embodiment, mobile phone further includes the second connector 60, the second connector 60 is set to master
On plate 20, wireless charging control circuit 10 is connect by connection cable 40 with the second connector 60.
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 wireless charging control circuit is connect by connector with equipment, which is characterized in that the wireless charging control electricity
Road includes:
Coil；
Wireless receiving module, the wireless receiving module are connect with the coil, and the wireless receiving module is configured as institute
State it is coil-induced to alternating current be changed into direct current；
Anti-down flow module, the anti-down flow module is connect with the power end of the wireless receiving module and the connector, described
Anti-down flow module is configured as the output direct current of the wireless receiving module being unidirectionally output to the connector；
Signaling module, the input terminal of the signaling module are connect with the power output end of the wireless receiving module, the signal
Module is configured to supply the control signal of control charge efficiency；And
Select switch module, the selection switch module and the wireless receiving module, the signaling module and the connection
Device connection, the selection switch module are configured to control the letter according to the DC voltage of the output of the wireless receiving module
Whether number module outputs control signals to the connector.
2. wireless charging control circuit as described in claim 1, which is characterized in that the wireless receiving module includes radio
Source receiver.
3. wireless charging control circuit as described in claim 1, which is characterized in that the anti-down flow module includes switching tube,
The input terminal of the switching tube is connect with the power output end of the wireless receiving module, the output end of the switching tube with it is described
The power end of connector connects, and the control terminal of the switching tube is connect with the enable end of the wireless receiving module.
4. wireless charging control circuit as described in claim 1, which is characterized in that it is described selection switch module control terminal with
The power output end of the wireless receiving module connects, the common end of the selection switch module and the output of the signaling module
First output end of end connection, the selection switch module is connect with the signal end of the connector, the selection switch module
Second output terminal it is hanging, the selection switch module has the direct current of output in the power output end of the wireless receiving module
When, control signal is exported to the connector.
5. wireless charging control circuit as described in claim 1, which is characterized in that the signaling module includes first resistor,
The first end of the first resistor is connect with the power output end of the wireless receiving module, the second end of the first resistor with
The common end connection of the selection switch module.
6. wireless charging control circuit as claimed in claim 5, which is characterized in that the selection switch module includes that hilted broadsword is double
Analog switch is thrown, the public terminal of the single pole double throw analog switch is the common end of the selection switch module, the hilted broadsword
The normally opened terminal of double-throw analog switch is the first output end of the selection switch module, and the single pole double throw analog switchs normal
Closed end is the second output terminal of the selection switch module.
7. wireless charging control circuit as described in claim 1, which is characterized in that the signaling module include second resistance,
The first end of 3rd resistor, the 4th resistance and the 5th resistance, the first end of the second resistance and the 3rd resistor and institute
The power output end for stating wireless receiving module connects, and the first end of the second end of the second resistance and the 4th resistance connects altogether
First terminal in the common end of the selection switch module, the 4th of the second end of the 3rd resistor and the 4th resistance the
End is connected to the Second terminal of the common end of the selection switch module altogether.
8. wireless charging control circuit as claimed in claim 7, which is characterized in that the selection switch module includes that single channel is double
Dpdt double-pole double-throw (DPDT) analog switch, the data bus terminal of the single channel double-pole double throw analog switch are the public of the selection switch module
End, the first signal of the single channel double-pole double throw analog switch is to the first output end for the selection switch module, the list
The second signal of road double-pole double throw analog switch is to the second output terminal for the selection switch module.
9. a kind of mobile phone, which is characterized in that including wireless charging control circuit described in claim 1-8 any one, mainboard,
Subplate, connection cable and the first connector, first connector are set on the subplate, the wireless charging control circuit
It is connect by the connection cable with first connector.
10. a kind of mobile phone as claimed in claim 9, which is characterized in that further include the second connector, second connector is set
In on the mainboard, the wireless charging control circuit is connect by the connection cable with second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250245.8U CN209448486U (en) | 2019-02-27 | 2019-02-27 | Wireless charging control circuit and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250245.8U CN209448486U (en) | 2019-02-27 | 2019-02-27 | Wireless charging control circuit and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209448486U true CN209448486U (en) | 2019-09-27 |
Family
ID=68033515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920250245.8U Expired - Fee Related CN209448486U (en) | 2019-02-27 | 2019-02-27 | Wireless charging control circuit and mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209448486U (en) |
-
2019
- 2019-02-27 CN CN201920250245.8U patent/CN209448486U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 |