CN105244972A - Electromagnetic conversion charging system - Google Patents

Abstract

The invention discloses an electromagnetic conversion charging system, which comprises a power supply, a charging control circuit, a controller, a transmitting circuit, a receiving circuit, an electric quantity display module, a key module and an indication module, wherein the controller is respectively connected with the charging control circuit, the electric quantity display module, the key module, the indication module and the transmitting circuit, the charging control circuit is further connected with the power supply, the receiving circuit is connected with a battery, and the battery is further connected with an electric quantity monitoring module. Through improving the whole electromagnetic conversion charging system as well as the transmitting module and the electric quantity monitoring module, the circuit structure is simple, the size is small, electric energy conversion rate and charging speed are increased, and the electromagnetic conversion charging system is very suitable for popularization and application.

Description

A kind of electromagnetic conversion charging system

Technical field

The present invention relates to a kind of charging system, specifically a kind of electromagnetic conversion charging system.

Background technology

Radiotechnics is used for communication, popular nearly 100 years in the whole world, from radio broadcasting originally and radiotelegram, develop into present satellite and microwave communication, and spread to the mobile communication of global almost each individual, wireless network, GPS etc., radio communication greatly changes production and the life style of people, there is no radio communication, the target of informationized society can not be discussed, but, what radio communication transmitted is all faint information, instead of the energy that power is larger, therefore many portable mobile products extremely easy to use, all to connect electrical network aperiodically to charge, also therefore have to leave various socket and stube cable, this is just difficult to the sealing technology realizing having water resistance, and the cable of this personalization that the charger of different product is difficult to is general, if thoroughly remove these tails, mobile terminal device just can obtain real freedom, also be easy to realize sealing and waterproof, this target necessarily requires energy also as information, to realize wireless transmission, the transmission of energy is obviously different with the transmission requirement of signal, the latter requires the complete and true of its content, not too require efficiency, and the former is required of power efficiency, although the idea of the Wireless transceiver of energy is had it long ago, but because this bottleneck of efficiency cannot be broken through always, make it can not enter practical field always, along with popularizing of smart machine, wireless charging especially gets more and more people's extensive concerning.

Summary of the invention

The object of the present invention is to provide a kind of electromagnetic conversion charging system, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the invention provides following technical scheme:

A kind of electromagnetic conversion charging system, comprise power supply, charging control circuit, controller, radiating circuit, receiving circuit, electricity quantity display module, key-press module and indicating module, described controller connects charging control circuit, electricity quantity display module, key-press module, indicating module and radiating circuit respectively, charging control circuit also connects power supply, and described receiving circuit connects battery and also connects electricity monitoring module;

Described receiving circuit comprises inductance L 5, rectifier bridge Q, TL431 and chip U3, inductance L 5 two ends connect rectifier bridge Q pin 1 and pin 3 respectively, rectifier bridge Q pin 4 connects electric capacity C9 and ground connection, rectifier bridge Q pin 2 connects the electric capacity C9 other end respectively, ground capacity C8, resistance R2, resistance R3, triode VT1 emitter, light-emitting diode D6 positive pole and resistance R6, the resistance R2 other end connects potentiometer RP2 respectively, the K pole of TL431 and resistance R9, the A pole of TL431 connects the potentiometer RP2 other end and ground connection, the R pole of TL431 connects potentiometer RP2 slide plate, the described resistance R9 other end connects chip U3 pin 3, chip U3 pin 2 contact resistance R8, the resistance R8 other end connects batteries E positive pole and triode VT3 collector electrode respectively, batteries E minus earth, the described triode VT3 emitter contact resistance R6 other end, triode VT3 base stage is connecting luminous diode D6 negative pole and resistance R5 respectively, resistance R5 other end connecting triode VT2 collector electrode, triode VT2 grounded emitter, triode VT2 base stage contact resistance R7, the resistance R7 other end connects chip U3 pin 6 and resistance R4 respectively, the resistance R4 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 collector electrode connects ground connection light-emitting diode D5 positive pole, described chip U3 pin 4 ground connection, chip U3 pin 7 connects power supply VCC,

Described circuit supervision module comprises chip U1, electric capacity C11, resistance R10 and metal-oxide-semiconductor Q1, described chip U1 pin ON/OFF contact resistance R16, the resistance R16 other end connects the G pole of metal-oxide-semiconductor Q1, the D pole contact resistance R15 of metal-oxide-semiconductor Q1, resistance R15 connecting luminous diode D11 negative pole, light-emitting diode D11 positive pole connecting triode Q2 emitter, triode Q2 collector electrode connects battery pack E positive pole respectively, electric capacity C12, resistance R12, chip U1 pin Vcc and resistance R10, the resistance R10 other end connects chip U1 pin OSC and electric capacity C11 respectively, the electric capacity C11 other end connects chip U1 pin GND respectively, resistance R14, diode D12 positive pole, the S pole of metal-oxide-semiconductor Q1, the electric capacity C12 other end and battery pack E negative pole ground connection, chip U1 pin Vin is the contact resistance R12 other end respectively, ground capacity C13 and resistance R13, the resistance R13 other end is the contact resistance R14 other end and chip U1 pin DELTA respectively, chip U1 pin Vpp is contact resistance R11 and triode Q2 base stage respectively, the resistance R11 other end connects diode D12 negative pole and chip U1 pin SET respectively.

As the further scheme of the present invention: described chip U3 model is 0PA335.

As the present invention's further scheme: described chip U1 model is LTC11041.

Compared with prior art, the invention has the beneficial effects as follows: the present invention is by the whole charging system of this machine and radiating circuit and electricity monitoring module, and not only make circuit structure simple, volume is little, and improve transfer ratio and the charging rate of electric energy, be applicable to very much promoting the use of.

Accompanying drawing explanation

Fig. 1 is the structural representation of electromagnetic conversion charging system;

Fig. 2 is the circuit diagram of radiating circuit in electromagnetic conversion charging system;

Fig. 3 is power energy monitoring and controlling module in electromagnetic conversion charging system.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Refer to Fig. 1 ~ 3, in the embodiment of the present invention, a kind of electromagnetic conversion charging system, comprise power supply, charging control circuit, controller, radiating circuit, receiving circuit, electricity quantity display module, key-press module and indicating module, described controller connects charging control circuit, electricity quantity display module, key-press module, indicating module and radiating circuit respectively, charging control circuit also connects power supply, and described receiving circuit connects battery and also connects electricity monitoring module;

Described receiving circuit comprises inductance L 5, rectifier bridge Q, TL431 and chip U3, inductance L 5 two ends connect rectifier bridge Q pin 1 and pin 3 respectively, rectifier bridge Q pin 4 connects electric capacity C9 and ground connection, rectifier bridge Q pin 2 connects the electric capacity C9 other end respectively, ground capacity C8, resistance R2, resistance R3, triode VT1 emitter, light-emitting diode D6 positive pole and resistance R6, the resistance R2 other end connects potentiometer RP2 respectively, the K pole of TL431 and resistance R9, the A pole of TL431 connects the potentiometer RP2 other end and ground connection, the R pole of TL431 connects potentiometer RP2 slide plate, the described resistance R9 other end connects chip U3 pin 3, chip U3 pin 2 contact resistance R8, the resistance R8 other end connects batteries E positive pole and triode VT3 collector electrode respectively, batteries E minus earth, the described triode VT3 emitter contact resistance R6 other end, triode VT3 base stage is connecting luminous diode D6 negative pole and resistance R5 respectively, resistance R5 other end connecting triode VT2 collector electrode, triode VT2 grounded emitter, triode VT2 base stage contact resistance R7, the resistance R7 other end connects chip U3 pin 6 and resistance R4 respectively, the resistance R4 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 collector electrode connects ground connection light-emitting diode D5 positive pole, described chip U3 pin 4 ground connection, chip U3 pin 7 connects power supply VCC,

Described circuit supervision module comprises chip U1, electric capacity C11, resistance R10 and metal-oxide-semiconductor Q1, described chip U1 pin ON/OFF contact resistance R16, the resistance R16 other end connects the G pole of metal-oxide-semiconductor Q1, the D pole contact resistance R15 of metal-oxide-semiconductor Q1, resistance R15 connecting luminous diode D11 negative pole, light-emitting diode D11 positive pole connecting triode Q2 emitter, triode Q2 collector electrode connects battery pack E positive pole respectively, electric capacity C12, resistance R12, chip U1 pin Vcc and resistance R10, the resistance R10 other end connects chip U1 pin OSC and electric capacity C11 respectively, the electric capacity C11 other end connects chip U1 pin GND respectively, resistance R14, diode D12 positive pole, the S pole of metal-oxide-semiconductor Q1, the electric capacity C12 other end and battery pack E negative pole ground connection, chip U1 pin Vin is the contact resistance R12 other end respectively, ground capacity C13 and resistance R13, the resistance R13 other end is the contact resistance R14 other end and chip U1 pin DELTA respectively, chip U1 pin Vpp is contact resistance R11 and triode Q2 base stage respectively, the resistance R11 other end connects diode D12 negative pole and chip U1 pin SET respectively.

Chip U3 model is 0PA335.

Chip U1 model is LTC11041.

Operation principle of the present invention is: refer to Fig. 2, and receiving inductance L5 receives the signal of radiating circuit, and the sinusoidal voltage effective value responding to the 1.6MHz obtained is about 16V (zero load), through bridge rectifier and C9 filtering, obtains the direct current of about 20V.When batteries E is full of, the inverting input 2 of chip U3 is a little more than pin 4, chip U3 just exports electronegative potential, now triode VT2 ends, triode VT3 ends because can not get bias current completely, thus stop charging, the electronegative potential that chip U1 exports simultaneously makes triode VT1 conducting through resistance R4, lights light-emitting diode D5 and indicates as full state.

Refer to Fig. 3, in the effective 80 μ s ON time of chip U1, the Vpp output switching of chip U1 is Vcc, then high resistant is switched at blocking interval, stabilize benchmark fast for one and set trigger point, resistance R11 is sufficiently little, think that chip U1 provides required minimum current, resistance R12, resistance R13 and resistance R14 does dividing potential drop to cell voltage, form a voltage divider, and send into the input of chip U1, chip U1 internal comparator has low current bias point, thus large valued resistor can be used for voltage divider, resistance R14 sets the sluggishness of comparator, the rest-set flip-flop of a comparator drives chip U1 inside, as VINSETPOINT+DELTA, chip U1 resets, .

When chip U1 reaches lower trigger, flip/flops latch, make metal-oxide-semiconductor Q1 conducting, once latch, chip U1 pin Vpp exports and just drives triode Q1, light-emitting diode D11 was glimmered when each sampling period, powering on, period light-emitting diode D11 may dodge once, because cannot latch voltage be determined, shunt capacitance C12 can guarantee the low source impedance under transient loads, namely the present invention is by the detection using the flicker of light-emitting diode D11 to accomplish battery power, saves electric energy, extends battery life.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.

In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.

Claims (3)

1. an electromagnetic conversion charging system, comprise power supply, charging control circuit, controller, radiating circuit, receiving circuit, electricity quantity display module, key-press module and indicating module, it is characterized in that, described controller connects charging control circuit, electricity quantity display module, key-press module, indicating module and radiating circuit respectively, charging control circuit also connects power supply, and described receiving circuit connects battery and also connects electricity monitoring module;

Described receiving circuit comprises inductance L 5, rectifier bridge Q, TL431 and chip U3, inductance L 5 two ends connect rectifier bridge Q pin 1 and pin 3 respectively, rectifier bridge Q pin 4 connects electric capacity C9 and ground connection, rectifier bridge Q pin 2 connects the electric capacity C9 other end respectively, ground capacity C8, resistance R2, resistance R3, triode VT1 emitter, light-emitting diode D6 positive pole and resistance R6, the resistance R2 other end connects potentiometer RP2 respectively, the K pole of TL431 and resistance R9, the A pole of TL431 connects the potentiometer RP2 other end and ground connection, the R pole of TL431 connects potentiometer RP2 slide plate, the described resistance R9 other end connects chip U3 pin 3, chip U3 pin 2 contact resistance R8, the resistance R8 other end connects batteries E positive pole and triode VT3 collector electrode respectively, batteries E minus earth, the described triode VT3 emitter contact resistance R6 other end, triode VT3 base stage is connecting luminous diode D6 negative pole and resistance R5 respectively, resistance R5 other end connecting triode VT2 collector electrode, triode VT2 grounded emitter, triode VT2 base stage contact resistance R7, the resistance R7 other end connects chip U3 pin 6 and resistance R4 respectively, the resistance R4 other end is the contact resistance R3 other end and triode VT1 base stage respectively, triode VT1 collector electrode connects ground connection light-emitting diode D5 positive pole, described chip U3 pin 4 ground connection, chip U3 pin 7 connects power supply VCC,

Described circuit supervision module comprises chip U1, electric capacity C11, resistance R10 and metal-oxide-semiconductor Q1, described chip U1 pin ON/OFF contact resistance R16, the resistance R16 other end connects the G pole of metal-oxide-semiconductor Q1, the D pole contact resistance R15 of metal-oxide-semiconductor Q1, resistance R15 connecting luminous diode D11 negative pole, light-emitting diode D11 positive pole connecting triode Q2 emitter, triode Q2 collector electrode connects battery pack E positive pole respectively, electric capacity C12, resistance R12, chip U1 pin Vcc and resistance R10, the resistance R10 other end connects chip U1 pin OSC and electric capacity C11 respectively, the electric capacity C11 other end connects chip U1 pin GND respectively, resistance R14, diode D12 positive pole, the S pole of metal-oxide-semiconductor Q1, the electric capacity C12 other end and battery pack E negative pole ground connection, chip U1 pin Vin is the contact resistance R12 other end respectively, ground capacity C13 and resistance R13, the resistance R13 other end is the contact resistance R14 other end and chip U1 pin DELTA respectively, chip U1 pin Vpp is contact resistance R11 and triode Q2 base stage respectively, the resistance R11 other end connects diode D12 negative pole and chip U1 pin SET respectively.

2. electromagnetic conversion charging system according to claim 1, is characterized in that, described chip U3 model is OPA335.

3. electromagnetic conversion charging system according to claim 1, is characterized in that, described chip U1 model is LTC11041.