JP3165768U7

JP3165768U7 -

Info

Publication number: JP3165768U7
Application number: JP2010007666U
Authority: JP
Filing date: 2010-11-24
Publication date: 2012-12-20
Anticipated expiration: 2020-11-24

Claims

A cordless charging / receiving device, which is a device that is connected to a power source and charges an electronic device using an electromagnetic sensor system, includes a power source bottom and a cordless charging / receiving device,
At the bottom of the power supply, the first microprocessor is electrically connected to a power supply circuit, the power supply circuit is electrically connected to a power supply input interface connected to the power supply, and the first microprocessor is a full-half bridge drive of a power switching drive circuit. Electrically connected to the circuit, the full mosfet drive circuit is connected in parallel with the first mosfet array and the second mosfet array ,
The first mosfet array and the second mosfet array are configured by combining an N-type mosfet and a P-type mossfet, and diodes used for charging / discharging and matching at the front ends of the two as mosfet switches, respectively. And resistor, receive the drive signal of the full half bridge drive circuit, switch to high voltage power supply or ground and output,
Furthermore, two mossettes are electrically connected to the first resonance circuit, and the first coil is connected to the resonance capacitor of the first resonance circuit, and then the two ends are connected to the first mosfet array and the second mosfet array, respectively. When the two ends receive a driving signal of opposite phase, a full bridge driving is formed, or the first mosfet array is cut and grounded, and a half bridge driving circuit in which the output voltage is halved is formed.
The first resonance circuit is electrically connected to a signal emitted from the cordless charging / receiving device and a first coil signal that receives energy, and a detection module that is electrically connected to the first microprocessor. A signal detection circuit and a voltage detection circuit for detecting a signal received by one resonance circuit and transmitting the result to the first microprocessor;
The cordless charging / receiving device includes a second coil that emits a signal to the bottom of the power source and receives power emitted from the bottom of the power source, and the second coil is electrically connected to the second resonant circuit, Is electrically connected to a rectifying filter circuit that receives a high-voltage AC power source, and the rectifying filter circuit receives a high-voltage AC power source of the rectifying filter circuit in the detection protection module, converts it into a low-voltage power source, and outputs it, and a rectifying filter A voltage detection circuit that is electrically connected to the circuit and the regulator is electrically connected. Between the rectifying filter circuit and the regulator, a cutoff protection circuit that is shut down under the control of the second microprocessor and stops power supply when the current is excessive. In addition, the regulator is electrically connected to the power output interface that supplies the temperature sensing circuit and power to the electronic device. The detection circuit and the temperature detection circuit are electrically connected to a second microprocessor that receives and processes the signal, and the second microprocessor receives the code signal and transmits the generated signal to the second resonance circuit. A variable frequency cordless power supply and charging device characterized by being electrically connected to a signal generation circuit.

The first microprocessor at the bottom of the power supply outputs a pulse width modulation signal and a control signal to the full-half bridge drive circuit, and the full half-bridge drive circuit is an inverse drive that is connected in parallel with an RC delay circuit composed of a resistor and a capacitor. The integrated circuit and the forward drive integrated circuit are arranged, the RC delay circuit is input to the reverse drive integrated circuit, the pulse width modulation signal is transmitted to the RC delay circuit and the forward drive integrated circuit, and the reverse drive integrated circuit An N-type mosfet is arranged at the input gate, and a switching device for receiving the control signal of the first microprocessor and controlling the input state of the signal or the ground is connected to the N-type mosfet, A first MOS array and a second MOS array are respectively connected to the output ends of the forward drive integrated circuit. Variable frequency cordless subjected collector and the charging device according to claim 1, wherein the door.

The first coil at the bottom of the power source and the second coil of the cordless charging / receiving device use a wire formed by adhering a viscous insulating material after a plurality of enamel wires are combined, and a single layer flat rectangular shape with a mold 2. The variable frequency cordless power supply according to claim 1, wherein after the two lead wires are wound around, the remaining two lead wires are pulled out to one end, and a conductive portion is formed by lead-free solder at the end of each lead wire. Charging device.

In the cordless charging / receiving device, a current detection protection circuit that automatically shuts off and protects when the current is excessive is electrically connected between the regulator of the detection protection module and the power output interface, and the current detection protection circuit automatically recovers. A possible overcurrent reset fuse is placed, and the current detection protection circuit is electrically connected to a second microprocessor that receives a signal in the event of an overcurrent and turns off the shutdown protection circuit to stop supplying power to the electronic device. The variable frequency cordless power supply and charging device according to claim 1, wherein

The detection protection module of the cordless charging / receiving device includes a buck-boost regulator that is electrically connected to a voltage detection circuit, and the regulator and the buck-boost regulator output power to an external electronic device via a power output interface. A storage battery that is electrically connected to the current detection protection circuit, the regulator is electrically connected to the charge management circuit of the charging module, and the charge management circuit transmits power to the power output interface via the buck-boost regulator and the current detection protection circuit The variable frequency cordless power supply and charging device according to claim 1, wherein the storage battery is further electrically connected to a voltage detection circuit.

The second coil of the cordless charging / receiving apparatus is connected to the resonance capacitor of the second resonance circuit, and further, two ends are respectively connected to two ends of the AC input of the bridge rectifier of the rectification filter circuit, and the rectification filter circuit is a bridge. It is composed of a rectifier and a filter capacitor, and the rectifying filter circuit is also connected to a shut-off protection circuit composed of a combination of N-type and P-type mossets in the detection protection module, and the P-type moss is connected to a regulator, 2. The variable frequency cordless power supply and charging device according to claim 1, wherein the mosfet is connected to a second microprocessor for controlling a conductive state of the P-type mosfet combined therewith.

2. The variable frequency cordless power supply and charging device according to claim 1, wherein the power output interface of the cordless charging and receiving device is a DC power plug or an outlet corresponding to a universal serial bus or an electronic device.