CN207967968U

CN207967968U - A kind of wireless charger

Info

Publication number: CN207967968U
Application number: CN201721805081.8U
Authority: CN
Inventors: 江勇波
Original assignee: Dongguan Xiangrui Electronic Technology Co Ltd
Current assignee: Dongguan Xiangrui Electronic Technology Co Ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2018-10-12
Anticipated expiration: 2027-12-21

Abstract

The utility model is related to a kind of wireless charger, including control module circuit, electric energy radio transmitter, electric energy wireless receiving circuits；The electric energy wireless receiving circuit control module circuit electrical connection, for providing the electric energy needed for control module work, control module circuit is electrically connected with electric energy radio transmitter, the state of the transmitting electric energy for controlling electric energy radio transmitter；The wireless charger, have the advantages that circuit is simple and reliable, cost-effective, can not only be that load equipment carries out wireless charging, the electric energy that charger itself works simultaneously is also to be provided by way of wireless charging, to completely avoid cumbersome external circuit, the working method of the wireless charger made is more flexible.

Description

A kind of wireless charger

Technical field

A kind of the utility model electronic circuit technology field, and in particular to wireless charger.

Background technology

Charger is to use high frequency electric source technology, and charging technique is adjusted with advanced Intelligent Dynamic.Power frequency machine is to pass The analog circuit principle of system designs, machine internal power device（Such as transformer, inductance, capacitor）It is all bigger, one As there is smaller noise when band carries larger operation, but type resistance performance in severe power grid environment condition is stronger, can It is stronger than High-frequency machine by property and stability.

The mode that existing charger mostly uses wired connection charges, and circuit is more complicated, charge when It waits, needs equipment to be charged being attached with charger, be easy to forget charger connecting line, it is prodigious not to charge-carrying belt Just.

Invention content

The purpose of this utility model is to provide a kind of wireless charger, to solve the problems, such as to propose in background technology.

For this purpose, the utility model provides a kind of wireless charger, including control module circuit, electric energy wireless transmission electricity Road, electric energy wireless receiving circuit；The electric energy wireless receiving circuit control module circuit electrical connection, for providing control module work Electric energy needed for making, control module circuit is electrically connected with electric energy radio transmitter, for controlling electric energy radio transmitter Emit the state of electric energy.

The control module circuit includes controller U1, resistance R4, resistance R5, capacitance C1, capacitance C2, and diode D2 is opened S1 is closed, the pin 1 of the controller U1 is electrically connected with VCC+5V power ends, and the pin 1 of controller U1 also passes through capacitance C2 and control The pin 8 of device U1 processed is electrically connected, and the anode of capacitance C1 is electrically connected with the pin 1 of controller U1, the cathode and controller of capacitance C1 The pin 8 of U1 is electrically connected；One end of resistance R4 is electrically connected with the pin 4 of controller U1, and the other end of resistance R4 passes through switch S1 It is electrically connected with ground terminal, one end of resistance R5 is electrically connected with the pin 6 of controller U1, and the other end of resistance R5 passes through diode D2 It is electrically connected with ground terminal.

The electric energy wireless receiving circuit includes wireless receiving module QI2, capacitance CL2, rectifier bridge D1, capacitance C4, capacitance C5, Voltage stabilizing module U2, capacitance C6, the both ends of capacitance C7, the wireless receiving module QI2 respectively with the input terminal of rectifier bridge D1 Electrical connection, the positive output end of rectifier bridge D1 are electrically connected with the input terminal of Voltage stabilizing module U2, and the output end of Voltage stabilizing module U2 is can nothing The output end of line receiving circuit, the capacitance CL2 are connected between two input terminals of rectifier bridge D1, capacitance C4 anode with it is whole The positive input terminal electrical connection of bridge D1 is flowed, the cathode of capacitance C4 is electrically connected with ground terminal, and capacitance C5 is serially connected with the just defeated of rectifier bridge D1 Enter between end and ground terminal, the anode of capacitance C6 is electrically connected with the positive output end of rectifier bridge D1, the cathode and ground terminal of capacitance C6 Electrical connection, capacitance C7 are serially connected between the positive output end and ground terminal of rectifier bridge D1.

The electric energy radio transmitter includes resistance R1, resistance R2, resistance R3, resistance RI, capacitance CL1, wireless transmission Module QI1, field-effect tube Q1, one end of the resistance R1 are electrically connected with ground terminal, the other end and the field-effect tube Q1 of resistance R1 Source electrode electrical connection, the drain electrode of field-effect tube Q1 is electrically connected by capacitance CL1 with one end of resistance RI, and the other end of resistance RI is The VCC+5V power inputs of electric energy radio transmitter, the both ends of the wireless transmitter module QI1 and the both ends electricity of capacitance CL1 Connection, the grid of field-effect tube Q1 is electrically connected by resistance R3 with ground terminal, the grid of field-effect tube Q1 also by resistance R2 and Control module circuit is electrically connected, and the source electrode of field-effect tube Q1 is also electrically connected with control module circuit.

The beneficial effects of the utility model：This wireless charger provided by the utility model, there is that circuit is simple and reliable, property Valence can not only be that load equipment carries out wireless charging, while the electric energy that charger itself works is also to pass through than high advantage The mode of wireless charging is provided, to completely avoid cumbersome external circuit, the work side of the wireless charger made Formula is more flexible.

The utility model is described in further details below with reference to attached drawing.

Description of the drawings

Fig. 1 is control module circuit diagram.

Fig. 2 is electric energy radio transmitter schematic diagram.

Fig. 3 is electric energy wireless receiving circuit schematic diagram.

Fig. 4 is USB1 interface diagrams.

Fig. 5 is USB2 interface diagrams.

Specific implementation mode

Reach the technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

Embodiment 1

The utility model provides a kind of wireless charger as shown in figure 1, figure 2, figure 3, figure 4 and figure 5, including control mould Block circuit, electric energy radio transmitter, electric energy wireless receiving circuit；The electric energy wireless receiving circuit control module circuit is electrically connected It connects, for providing the electric energy needed for control module work, control module circuit is electrically connected with electric energy radio transmitter, for controlling The state of the transmitting electric energy of electric energy radio transmitter processed.

The controller U1 is microcontroller, and model XZ57PA16 has the advantages that cost-effective, reliable and stable.

The model XZ3400 of the field-effect tube Q1 has the advantages that cost-effective, reliable and stable.

The model XZ1807 of Voltage stabilizing module U2, output voltage 5V, electric current 0.5A disclosure satisfy that answering for this programme Use demand.

Above-mentioned wireless transmitter module QI1, wireless receiving module QI2 are induction coil, except that：Wireless receiving mould The electric energy of surrounding can be converted to magnetic field by block QI2, and wireless transmitter module QI1 can convert electrical energy into magnetic field and transmit out It goes, is received by being responsible for, and be converted to electric energy.

In conclusion the wireless charger, there is that circuit is simple and reliable, cost-effective, can not only be that load is set It is standby to carry out wireless charging, while the electric energy that charger itself works is also to be provided by way of wireless charging, to complete Cumbersome external circuit is avoided entirely, and the working method of the wireless charger made is more flexible.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims

1. a kind of wireless charger, it is characterised in that：Including control module circuit, electric energy radio transmitter, electric energy wirelessly connects Receive circuit；The electric energy wireless receiving circuit control module circuit electrical connection, for providing the electric energy needed for control module work, Control module circuit is electrically connected with electric energy radio transmitter, the shape of the transmitting electric energy for controlling electric energy radio transmitter State.

2. a kind of wireless charger as described in claim 1, it is characterised in that：The control module circuit includes controller U1, resistance R4, resistance R5, capacitance C1, capacitance C2, diode D2, the pin 1 and VCC+5V electricity of switch S1, the controller U1 Source is electrically connected, and the pin 1 of controller U1 also be electrically connected by capacitance C2 with the pin 8 of controller U1, capacitance C1 positive and The pin 1 of controller U1 is electrically connected, and the cathode of capacitance C1 is electrically connected with the pin 8 of controller U1；One end of resistance R4 and control The pin 4 of device U1 is electrically connected, and the other end of resistance R4 is electrically connected by switch S1 with ground terminal, one end of resistance R5 and controller The pin 6 of U1 is electrically connected, and the other end of resistance R5 is electrically connected by diode D2 with ground terminal.

3. a kind of wireless charger as claimed in claim 2, it is characterised in that：The controller U1 is microcontroller, model For XZ57PA16.

4. a kind of wireless charger as described in claim 1, it is characterised in that：The electric energy wireless receiving circuit includes wireless Receiving module QI2, capacitance CL2, rectifier bridge D1, capacitance C4, capacitance C5, Voltage stabilizing module U2, capacitance C6, capacitance C7 are described wireless The both ends of receiving module QI2 respectively with the electrical connection of the input terminal of, rectifier bridge D1, positive output end and the Voltage stabilizing module U2 of rectifier bridge D1 Input terminal electrical connection, the output end of Voltage stabilizing module U2 be can wireless receiving circuit output end, the capacitance CL2 is connected to whole Between two input terminals for flowing bridge D1, the anode of capacitance C4 is electrically connected with the positive input terminal of rectifier bridge D1, the cathode of capacitance C4 and Ground terminal is electrically connected, and capacitance C5 is serially connected between the positive input terminal and ground terminal of rectifier bridge D1, the anode and rectifier bridge of capacitance C6 The positive output end of D1 is electrically connected, and the cathode of capacitance C6 is electrically connected with ground terminal, and capacitance C7 is serially connected with the positive output end of rectifier bridge D1 Between ground terminal.

5. a kind of wireless charger as described in claim 1, it is characterised in that：The electric energy radio transmitter includes resistance R1, resistance R2, resistance R3, resistance RI, capacitance CL1, wireless transmitter module QI1, field-effect tube Q1, one end of the resistance R1 It is electrically connected with ground terminal, the other end of resistance R1 is electrically connected with the source electrode of field-effect tube Q1, and the drain electrode of field-effect tube Q1 passes through electricity Holding CL1 to be electrically connected with one end of resistance RI, the other end of resistance RI is the VCC+5V power inputs of electric energy radio transmitter, The both ends of the wireless transmitter module QI1 are electrically connected with the both ends of capacitance CL1, the grid of field-effect tube Q1 by resistance R3 with connect Ground terminal is electrically connected, and the grid of field-effect tube Q1 is also electrically connected by resistance R2 with control module circuit, the source electrode of field-effect tube Q1 Also it is electrically connected with control module circuit.

6. a kind of wireless charger as claimed in claim 5, it is characterised in that：The model of the field-effect tube Q1 XZ3400。