CN203660579U - Mobile power supply - Google Patents
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- CN203660579U CN203660579U CN201320780461.6U CN201320780461U CN203660579U CN 203660579 U CN203660579 U CN 203660579U CN 201320780461 U CN201320780461 U CN 201320780461U CN 203660579 U CN203660579 U CN 203660579U
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Abstract
The utility model provides a mobile power supply. The mobile power supply comprises an energy storage device used for charge and discharge, a wired power supply device and a wireless power supply device. The power supply is characterized in that a controller and a power switch are also included, wherein the controller is used to switch and control wired power supply and wireless power supply modes, detect a charge and discharge state and display an electric quantity; the power switch is used for starting or closing a power supply mode; the wired power supply device comprises a power supply USB interface used for providing power for equipment to be charged; the wireless power supply device comprises a wireless power supply master control chip and a wireless transmitter; the energy storage device is connected to the power supply USB interface and the wireless power supply master control chip respectively and is used for power supply; the controller is connected to the power supply USB and the wireless power supply master control chip respectively. According to the power supply of the utility model, the wired power supply and the wireless power supply are combined together; a usage limitation problem of a single mode power supply of the existing mobile power supply is solved and a utilization rate of the mobile power supply is increased; through setting a dormancy mode, power consumption of the mobile power supply is reduced and electric quantity wastes of the mobile power supply are avoided.
Description
Technical field
The utility model relates to a kind of power supply, is specifically related to a kind of portable power source.
Background technology
Along with scientific and technological development, there is increasing mobile device, such as panel computer, mobile phone, MP4, bluetooth earphone, camera etc., these energy consumption of mobile equipment amounts are large, need often charging, people out of doors or not have to need charging of mobile devices in the situation of supply socket be a problem, and the generation of portable power source has solved the trouble that need to charge whenever and wherever possible, has brought convenience to life.
The portable power source of existing market is the power supply of monotype, wired power supply or wireless power.
For example, patent publication No. is CN201868905U, patent name is a kind of patent document of portable power source, discloses one and by Charge Management device, energy storage device carried out Charge Management and detects battery charging state, and wired charging portable power source of powering by Single-chip Controlling.
For example, patent publication No. is CN201868905U, and the patent document that patent name is a kind of portable power source discloses and a kind ofly detected wired insertion and by the portable power source for the treatment of fill device power supply of control device control energy storage device by control device.
The portable power source of wired power supply and wireless power all can be to charging of mobile devices, but supply power mode is single, wired power supply need to treat that fill device and portable power source wired connection could charge, wireless power must could be powered to the fill device for the treatment of that meets QI standard, both are incompatible, the limitation problem that this has just caused portable power source to use, is subject to condition restriction, makes the scope of application underaction of portable power source.
Summary of the invention
The purpose of this utility model is the limitation using in order to solve portable power source, and a kind of portable power source of wireless and wired charging combination is provided;
A kind of portable power source, comprise for discharging and recharging energy storage device, wired power supply device, wireless power device, it is characterized in that: also comprise for the wired power supply of switching controls and wireless power pattern, and detect charging and discharging state and show the controller of electric weight and for opening or the mains switch of power cutoff powering mode, described wired power supply device comprises the power supply USB interface for treating fill device power supply; Described wireless power device comprises wireless power main control chip and wireless launcher; Described energy storage device connects respectively power supply USB interface and wireless power main control chip, and for power supply, described controller also connects respectively power supply USB and wireless power main control chip.
Further, described portable power source, also comprise for the Charge Management device to portable power source charging, described Charge Management device comprises for connecting the charging USB interface of externally fed power supply to portable power source charging and charging management chip portable power source being charged for managing charging USB interface; Described charging USB interface connects charging management chip, for charging.
Further, described energy storage device, comprises poly-lithium battery and for the booster circuit to treating fill device output required voltage value; Described poly-lithium battery is connected with booster circuit, power supply after boosting by booster circuit.
Further, described poly-lithium battery comprise for the protection of poly-lithium battery cross put, overcharge, the protective circuit of overcurrent and short circuit.
Further, described wireless launcher comprises for responding to and treats fill device and to treating the transmitting coil of fill device emitted energy, for driving the PWM Drive and Control Circuit of transmitting coil emitted energy and for treat the signal processing circuit of fill device charging by amplifying output current and feedback voltage control.
Further, described charging management chip is linear charger 4056, the charging current programming end of charging management chip connects the rear ground connection of resistance R 1, the power input of charging management chip connects charging USB interface, and the power input of charging management chip connects one end of capacitor C 3 ground connection and series resistance R2 and resistance R 3, the other end ground connection of series resistance R2 and resistance R 3, the charging current output of charging management chip is graft (co) polymers lithium battery after shunt capacitance C1 and capacitor C 2, the charged state output of charging management chip is connected to controller, the ground connection termination power ground of charging management chip.
Further, described booster circuit comprises the first inductance L 1, voltage stabilizing didoe D1 is to voltage stabilizing didoe D3, capacitor C 4 is to capacitor C 7, chip U2 and the first metal-oxide-semiconductor Q1 boost, the positive pole of poly-lithium battery is connected to the power end of the chip U2 that boosts, the positive pole of poly-lithium battery is through the first inductance L 1 simultaneously, voltage stabilizing didoe D1 to the parallel circuits of voltage stabilizing didoe D3 and capacitor C 4 to the parallel circuits of capacitor C 7 after the voltage of output after boosting, voltage after boosting connects the negative pole that connects poly-lithium batteries after the feedback end of the chip U2 that boosts through resistance R 5 after resistance R 4, the Enable Pin access controller of chip U2 boosts, the grid of output termination the first metal-oxide-semiconductor Q1 of chip boosts, boost the ground connection termination power of chip U2, the drain electrode of the first metal-oxide-semiconductor Q1 connects the positive pole of voltage stabilizing didoe D1 to voltage stabilizing didoe D3, the source ground of the first metal-oxide-semiconductor Q1.
Further, described protective circuit comprises li-ion cell protection integrated chip DW01, the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3, the power end of li-ion cell protection integrated chip DW01 connects the positive pole of poly-lithium battery through resistance R 7, connect again the negative pole of poly-lithium battery through capacitor C 8, the output that the mistake of li-ion cell protection integrated chip DW01 is put detection connects the grid of the second metal-oxide-semiconductor Q2, the output that overcharges detection of li-ion cell protection integrated chip DW01 connects the grid of the 3rd metal-oxide-semiconductor Q3, the second metal-oxide-semiconductor Q2 is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q3, the source grounding of the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3.
Further, described PWM Drive and Control Circuit comprises the first metal-oxide-semiconductor driver U4, the second metal-oxide-semiconductor driver U5, the 4th metal-oxide-semiconductor Q4, the 5th metal-oxide-semiconductor Q5 and capacitor C 9 are to capacitor C 12, the input of the first metal-oxide-semiconductor driver U4 and the second metal-oxide-semiconductor driver U5 connects wireless power main control chip, the output of the first metal-oxide-semiconductor driver U4 connects the grid of the 4th metal-oxide-semiconductor Q4, the power supply termination energy storage device of the first metal-oxide-semiconductor driver U4, and the source electrode of access the 4th metal-oxide-semiconductor Q4, the drain electrode of the 4th metal-oxide-semiconductor Q4 through capacitor C 9 to the one end that connects transmitting coil after the parallel circuits of capacitor C 12, the output of the second metal-oxide-semiconductor driver U5 connects the grid of the 5th metal-oxide-semiconductor Q5, the power supply termination energy storage device of the second metal-oxide-semiconductor driver U5, and the source electrode of access the 5th metal-oxide-semiconductor Q5, and the drain electrode of the 5th metal-oxide-semiconductor Q5 connects the other end of transmitting coil.
Further, described signal processing circuit comprises the feedback circuit of current amplification circuit and output voltage; described feedback circuit comprises the first operational amplifier U6 to the three operational amplifier U8 and switching diode D4, output voltage connects the in-phase input end of the first operational amplifier U6 after switching diode D4, the reverse input end of the first operational amplifier U6 connects the output of the first operational amplifier U6, the output of the first operational amplifier U6 accesses the in-phase input end of the second operational amplifier U7 through resistance R 10, the inverting input of the second operational amplifier U7 is ground connection after resistance R 11 and capacitor C 13, after the classical group of the inverting input R12 of the second operational amplifier U7, connect the output of the second operational amplifier U7, the output of the second operational amplifier U7 connects the in-phase input end of the 3rd operational amplifier U8 through resistance R 13 and resistance R 14, the in-phase input end of the 3rd operational amplifier U8 connects the output of the 3rd operational amplifier U8 and accesses wireless power main control chip after resistance R 15, the inverting input of the 3rd operational amplifier U8 connects the output of the second operational amplifier U7 through resistance R 16 and resistance R 13,
Described current amplification circuit comprises four-operational amplifier U9 to the six operational amplifier U11, the in-phase input end of four-operational amplifier U9 connects the source electrode of the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5 through resistance R 17, the inverting input of four-operational amplifier U9 connects the output of four-operational amplifier U9 through resistance R 18, the inverting input of four-operational amplifier U9 is again through resistance R 19 ground connection, the output of four-operational amplifier U9 connects the in-phase input end of the 5th operational amplifier U10 through resistance R 20, the inverting input of the 5th operational amplifier U10 connects the output of the 5th operational amplifier U10 through resistance R 21, the inverting input of the 5th operational amplifier U10 is again through resistance R 22 ground connection, the output of the 5th operational amplifier U10 connects the in-phase input end of the 6th operational amplifier U11 through resistance R 23 and resistance R 24, the output of the 5th operational amplifier U10 connects the inverting input of the 6th operational amplifier U11 through resistance R 23 and resistance R 25, the in-phase input end of the 6th operational amplifier U11 connects the output of the 6th operational amplifier U11 and accesses wireless power main control chip through resistance R 26 again.
The utility model compared with prior art has the following advantages:
1, the utility model combines wired power supply and two kinds of powering modes of wireless power, has solved the use limitation problem of the existing monotype power supply of existing portable power source, has improved the utilance of portable power source;
2, the utility model has been set park mode, has reduced the power consumption of portable power source, has avoided the waste of the electric weight of portable power source.
3, the utility model is designed with lithium battery protection circuit, avoids lithium battery overcharging in the process of charging or power supply, and cross and put, overcurrent, short circuit phenomenon, has extended useful life of lithium battery.
Accompanying drawing explanation
Fig. 1 is system block diagram of the present utility model;
Fig. 2 is the circuit diagram of Charge Management device in the utility model;
Fig. 3 is the circuit diagram of booster circuit in the utility model;
Fig. 4 is the circuit diagram of protective circuit in the utility model;
Fig. 5 is PWM Drive and Control Circuit in the utility model;
Fig. 6 is the feedback circuit of output voltage in the utility model;
Fig. 7 is current amplification circuit in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of portable power source, comprises energy storage device, wired power supply device, wireless power device, also comprises control device and mains switch, and wired power supply device comprises the power supply USB interface for treating fill device power supply; Wireless power device comprises wireless power main control chip and wireless launcher.
In the time that control device detects that power supply USB interface is inserted until fill device and mains switch connection, control device control energy storage device to treating fill device charging, is treated fill device charging, control device control power cutoff if do not give in the given time by power supply USB interface; In the time that control device does not detect that power supply USB interface is inserted until fill device and mains switch connection, control device control wireless power main control unit makes wireless launcher to treating fill device wireless charging, if wireless launcher does not detect while needing fill device in the given time, wireless power main control unit control power cutoff.
Portable power source, also comprise for the Charge Management device to portable power source charging, described Charge Management device comprises for connecting the charging USB interface of externally fed power supply to portable power source charging and charging management chip portable power source being charged for managing charging USB interface; In the time that charging management chip detects that charging USB interface is inserted portable power source, charging management chip control externally fed power supply charges to energy storage device.
Energy storage device, comprises poly-lithium battery and for the booster circuit to treating fill device output required voltage value; In the time that portable power source detects until fill device, booster circuit control poly-lithium battery reaches that supply power voltage value is backward treats fill device power supply.
Poly-lithium battery comprise for the protection of poly-lithium battery cross put, overcharge, the protective circuit of overcurrent and short circuit.
Wireless launcher comprises for responding to treats fill device and to treating the transmitting coil of fill device emitted energy, for driving the PWM Drive and Control Circuit of transmitting coil emitted energy and for treat the signal processing circuit of fill device charging by amplifying output current and feedback voltage control.
When wireless transmission coil-induced when needing fill device, wireless power main control chip control energy storage device by electromagnetic induction to treating fill device charging.
As shown in Figure 2, charging management chip is linear charger 4056, the charging current programming end of charging management chip connects the rear ground connection of resistance R 1, charging current programming end can be programmed and set charging current by being connected earth resistance R2, the maximum of linear charger 4056 continues charging current can reach 1A, the power input of charging management chip connects charging USB interface, and the power input of charging management chip connects one end of capacitor C 3 ground connection and series resistance R2 and resistance R 3, the other end ground connection of series resistance R2 and resistance R 3, the charging current output of charging management chip is graft (co) polymers lithium battery after shunt capacitance C1 and capacitor C 2, the charged state output of charging management chip is connected to control device, the ground connection termination power ground of charging management chip.
As shown in Figure 3, booster circuit comprises the first inductance L 1, voltage stabilizing didoe D1 is to voltage stabilizing didoe D3, capacitor C 4 is to capacitor C 7, chip U2 and the first metal-oxide-semiconductor Q1 boost, the positive pole of poly-lithium battery is connected to the power end of the chip U2 that boosts, the positive pole of poly-lithium battery is through the first inductance L 1 simultaneously, voltage stabilizing didoe D1 to the parallel circuits of voltage stabilizing didoe D3 and capacitor C 4 to the parallel circuits of capacitor C 7 after the voltage of output after boosting, voltage after boosting connects the negative pole that connects poly-lithium batteries after the feedback end of the chip U2 that boosts through resistance R 5 after resistance R 4, the Enable Pin access control device of chip U2 boosts, the grid of output termination the first metal-oxide-semiconductor Q1 of chip boosts, boost the ground connection termination power of chip U2, the drain electrode of the first metal-oxide-semiconductor Q1 connects the positive pole of voltage stabilizing didoe D1 to voltage stabilizing didoe D3, the source ground of the first metal-oxide-semiconductor Q1.
As shown in Figure 4, protective circuit comprises li-ion cell protection integrated chip DW01, the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3, the power end of li-ion cell protection integrated chip DW01 connects the positive pole of poly-lithium battery through resistance R 7, connect again the negative pole of poly-lithium battery through capacitor C 8, the output that the mistake of li-ion cell protection integrated chip DW01 is put detection connects the grid of the second metal-oxide-semiconductor Q2, the output that overcharges detection of li-ion cell protection integrated chip DW01 connects the grid of the 3rd metal-oxide-semiconductor Q3, the second metal-oxide-semiconductor Q2 is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q3, the source grounding of the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3.
As shown in Figure 5, PWM Drive and Control Circuit comprises the first metal-oxide-semiconductor driver U4, the second metal-oxide-semiconductor driver U5, the 4th metal-oxide-semiconductor Q4, the 5th metal-oxide-semiconductor Q5 and capacitor C 9 are to capacitor C 12, the input of the first metal-oxide-semiconductor driver U4 and the second metal-oxide-semiconductor driver U5 connects wireless power main control chip, the output of the first metal-oxide-semiconductor driver U4 connects the grid of the 4th metal-oxide-semiconductor Q4, the power supply termination energy storage device of the first metal-oxide-semiconductor driver U4, and the source electrode of access the 4th metal-oxide-semiconductor Q4, the drain electrode of the 4th metal-oxide-semiconductor Q4 through capacitor C 9 to the one end that connects transmitting coil after the parallel circuits of capacitor C 12, the output of the second metal-oxide-semiconductor driver U5 connects the grid of the 5th metal-oxide-semiconductor Q5, the power supply termination energy storage device of the second metal-oxide-semiconductor driver U5, and the source electrode of access the 5th metal-oxide-semiconductor Q5, and the drain electrode of the 5th metal-oxide-semiconductor Q5 connects the other end of transmitting coil.
In the utility model, wireless power main control chip adopts integrated chip GPMQ8005A, the driving of the first metal-oxide-semiconductor driver U4 and the second metal-oxide-semiconductor driver U5 is controlled in the numeral output of wireless power main control chip, the first metal-oxide-semiconductor driver U4 and the second metal-oxide-semiconductor driver U5 are respectively used to drive the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5, control turning on and off of the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5 by the numeral output that wireless power main control chip is given, if the 4th metal-oxide-semiconductor Q4 is open-minded, the 5th metal-oxide-semiconductor Q5 turn-offs, the 4th metal-oxide-semiconductor Q4 exports corresponding pulse, if the 5th metal-oxide-semiconductor Q5 is open-minded, the 4th metal-oxide-semiconductor Q4 turn-offs, the 5th metal-oxide-semiconductor Q5 exports corresponding pulse, utilize the PWM ripple of the switch output of the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5 to drive transmitting coil emitted energy, capacitor C 9 to the parallel circuits of capacitor C 12 has formed resonant capacitance, produce oscillating impulse.
As shown in Figure 6, Figure 7, signal processing circuit comprises feedback circuit and the current amplification circuit of output voltage; as shown in Figure 6, feedback circuit comprises the first operational amplifier U6 to the three operational amplifier U8 and switching diode D4, output voltage connects the in-phase input end of the first operational amplifier U6 after switching diode D4, the reverse input end of the first operational amplifier U6 connects the output of the first operational amplifier U6, the output of the first operational amplifier U6 accesses the in-phase input end of the second operational amplifier U7 through resistance R 10, the inverting input of the second operational amplifier U7 is ground connection after resistance R 11 and capacitor C 13, after the classical group of the inverting input R12 of the second operational amplifier U7, connect the output of the second operational amplifier U7, the output of the second operational amplifier U7 connects the in-phase input end of the 3rd operational amplifier U8 through resistance R 13 and resistance R 14, the in-phase input end of the 3rd operational amplifier U8 connects the output of the 3rd operational amplifier U8 and accesses wireless power main control chip after resistance R 15, the inverting input of the 3rd operational amplifier U8 connects the output of the second operational amplifier U7 through resistance R 16 and resistance R 13,
Output voltage is given the second operational amplifier U7 through R10 reduced output voltage after the voltage follow of the first operational amplifier U6, FEEDBACK CONTROL through the second operational amplifier U7 is exported to the 3rd operational amplifier U8 again after resistance R 13 step-downs, after the feedback of the 3rd amplifier U8 is amplified, export to wireless power main control chip, control the numeral output of wireless power main control chip by turning on and off of switching diode D4.
As shown in Figure 7, current amplification circuit comprises four-operational amplifier U9 to the six operational amplifier U11, the in-phase input end of four-operational amplifier U9 connects the source electrode of the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5 through resistance R 17, the inverting input of four-operational amplifier U9 connects the output of four-operational amplifier U9 through resistance R 18, the inverting input of four-operational amplifier U9 is again through resistance R 19 ground connection, the output of four-operational amplifier U9 connects the in-phase input end of the 5th operational amplifier U10 through resistance R 20, the inverting input of the 5th operational amplifier U10 connects the output of the 5th operational amplifier U10 through resistance R 21, the inverting input of the 5th operational amplifier U10 is again through resistance R 22 ground connection, the output of the 5th operational amplifier U10 connects the in-phase input end of the 6th operational amplifier U11 through resistance R 23 and resistance R 24, the output of the 5th operational amplifier U10 connects the inverting input of the 6th operational amplifier U11 through resistance R 23 and resistance R 25, the in-phase input end of the 6th operational amplifier U11 connects the output of the 6th operational amplifier U11 and accesses wireless power main control chip through resistance R 26 again,
Drive the electric current that transmitting coil produces after the feedback regulation of the 5th operational amplifier U10 and the amplification of the 6th operational amplifier U11 adjusting, to feed back to wireless power main control chip after the adjusting of four-operational amplifier U9; in the time that wireless power main control chip detects that electric current is excessive, by the overcurrent protection of wireless power main control chip.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. a portable power source, comprise for discharging and recharging energy storage device, wired power supply device, wireless power device, it is characterized in that: also comprise for the wired power supply of switching controls and wireless power pattern, and detect charging and discharging state and show the controller of electric weight and for opening or the mains switch of power cutoff powering mode, described wired power supply device comprises the power supply USB interface for treating fill device power supply; Described wireless power device comprises wireless power main control chip and wireless launcher; Described energy storage device connects respectively power supply USB interface and wireless power main control chip, and for power supply, described controller also connects respectively power supply USB and wireless power main control chip.
2. a kind of portable power source according to claim 1, it is characterized in that: described portable power source, also comprise for the Charge Management device to portable power source charging, described Charge Management device comprises for connecting the charging USB interface of externally fed power supply to portable power source charging and charging management chip portable power source being charged for managing charging USB interface; Described charging USB interface connects charging management chip, for charging.
3. a kind of portable power source according to claim 1, is characterized in that: described energy storage device, comprises poly-lithium battery and for the booster circuit to treating fill device output required voltage value; Described poly-lithium battery is connected with booster circuit, power supply after boosting by booster circuit.
4. a kind of portable power source according to claim 3, is characterized in that: described poly-lithium battery comprise for the protection of poly-lithium battery cross put, overcharge, the protective circuit of overcurrent and short circuit.
5. a kind of portable power source according to claim 1, is characterized in that: described wireless launcher comprises for responding to treats fill device and to treating the transmitting coil of fill device emitted energy, for driving the PWM Drive and Control Circuit of transmitting coil emitted energy and for treat the signal processing circuit of fill device charging by amplifying output current and feedback voltage control.
6. a kind of portable power source according to claim 2, it is characterized in that: described charging management chip is linear charger 4056, the charging current programming end of charging management chip connects the rear ground connection of resistance R 1, the power input of charging management chip connects charging USB interface, and the power input of charging management chip connects one end of capacitor C 3 ground connection and series resistance R2 and resistance R 3, the other end ground connection of series resistance R2 and resistance R 3, the charging current output of charging management chip is graft (co) polymers lithium battery after shunt capacitance C1 and capacitor C 2, the charged state output of charging management chip is connected to controller, the ground connection termination power ground of charging management chip.
7. a kind of portable power source according to claim 3, it is characterized in that: described booster circuit comprises the first inductance L 1, voltage stabilizing didoe D1 is to voltage stabilizing didoe D3, capacitor C 4 is to capacitor C 7, chip U2 and the first metal-oxide-semiconductor Q1 boost, the positive pole of poly-lithium battery is connected to the power end of the chip U2 that boosts, the positive pole of poly-lithium battery is through the first inductance L 1 simultaneously, voltage stabilizing didoe D1 to the parallel circuits of voltage stabilizing didoe D3 and capacitor C 4 to the parallel circuits of capacitor C 7 after the voltage of output after boosting, voltage after boosting connects the negative pole that connects poly-lithium batteries after the feedback end of the chip U2 that boosts through resistance R 5 after resistance R 4, the Enable Pin access controller of chip U2 boosts, the grid of output termination the first metal-oxide-semiconductor Q1 of chip boosts, boost the ground connection termination power of chip U2, the drain electrode of the first metal-oxide-semiconductor Q1 connects the positive pole of voltage stabilizing didoe D1 to voltage stabilizing didoe D3, the source ground of the first metal-oxide-semiconductor Q1.
8. a kind of portable power source according to claim 4, it is characterized in that: described protective circuit comprises li-ion cell protection integrated chip DW01, the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3, the power end of li-ion cell protection integrated chip DW01 connects the positive pole of poly-lithium battery through resistance R 7, connect again the negative pole of poly-lithium battery through capacitor C 8, the output that the mistake of li-ion cell protection integrated chip DW01 is put detection connects the grid of the second metal-oxide-semiconductor Q2, the output that overcharges detection of li-ion cell protection integrated chip DW01 connects the grid of the 3rd metal-oxide-semiconductor Q3, the second metal-oxide-semiconductor Q2 is connected with the drain electrode of the 3rd metal-oxide-semiconductor Q3, the source grounding of the second metal-oxide-semiconductor Q2 and the 3rd metal-oxide-semiconductor Q3.
9. a kind of portable power source according to claim 5, it is characterized in that: described PWM Drive and Control Circuit comprises the first metal-oxide-semiconductor driver U4, the second metal-oxide-semiconductor driver U5, the 4th metal-oxide-semiconductor Q4, the 5th metal-oxide-semiconductor Q5 and capacitor C 9 are to capacitor C 12, the input of the first metal-oxide-semiconductor driver U4 and the second metal-oxide-semiconductor driver U5 connects wireless power main control chip, the output of the first metal-oxide-semiconductor driver U4 connects the grid of the 4th metal-oxide-semiconductor Q4, the power supply termination energy storage device of the first metal-oxide-semiconductor driver U4, and the source electrode of access the 4th metal-oxide-semiconductor Q4, the drain electrode of the 4th metal-oxide-semiconductor Q4 through capacitor C 9 to the one end that connects transmitting coil after the parallel circuits of capacitor C 12, the output of the second metal-oxide-semiconductor driver U5 connects the grid of the 5th metal-oxide-semiconductor Q5, the power supply termination energy storage device of the second metal-oxide-semiconductor driver U5, and the source electrode of access the 5th metal-oxide-semiconductor Q5, and the drain electrode of the 5th metal-oxide-semiconductor Q5 connects the other end of transmitting coil.
10. a kind of portable power source according to claim 5, is characterized in that: described signal processing circuit comprises the feedback circuit of current amplification circuit and output voltage; described feedback circuit comprises the first operational amplifier U6 to the three operational amplifier U8 and switching diode D4, output voltage connects the in-phase input end of the first operational amplifier U6 after switching diode D4, the reverse input end of the first operational amplifier U6 connects the output of the first operational amplifier U6, the output of the first operational amplifier U6 accesses the in-phase input end of the second operational amplifier U7 through resistance R 10, the inverting input of the second operational amplifier U7 is ground connection after resistance R 11 and capacitor C 13, after the classical group of the inverting input R12 of the second operational amplifier U7, connect the output of the second operational amplifier U7, the output of the second operational amplifier U7 connects the in-phase input end of the 3rd operational amplifier U8 through resistance R 13 and resistance R 14, the in-phase input end of the 3rd operational amplifier U8 connects the output of the 3rd operational amplifier U8 and accesses wireless power main control chip after resistance R 15, the inverting input of the 3rd operational amplifier U8 connects the output of the second operational amplifier U7 through resistance R 16 and resistance R 13,
Described current amplification circuit comprises four-operational amplifier U9 to the six operational amplifier U11, the in-phase input end of four-operational amplifier U9 connects the source electrode of the 4th metal-oxide-semiconductor Q4 and the 5th metal-oxide-semiconductor Q5 through resistance R 17, the inverting input of four-operational amplifier U9 connects the output of four-operational amplifier U9 through resistance R 18, the inverting input of four-operational amplifier U9 is again through resistance R 19 ground connection, the output of four-operational amplifier U9 connects the in-phase input end of the 5th operational amplifier U10 through resistance R 20, the inverting input of the 5th operational amplifier U10 connects the output of the 5th operational amplifier U10 through resistance R 21, the inverting input of the 5th operational amplifier U10 is again through resistance R 22 ground connection, the output of the 5th operational amplifier U10 connects the in-phase input end of the 6th operational amplifier U11 through resistance R 23 and resistance R 24, the output of the 5th operational amplifier U10 connects the inverting input of the 6th operational amplifier U11 through resistance R 23 and resistance R 25, the in-phase input end of the 6th operational amplifier U11 connects the output of the 6th operational amplifier U11 and accesses wireless power main control chip through resistance R 26 again.
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| CN201320780461.6U CN203660579U (en) | 2013-12-02 | 2013-12-02 | Mobile power supply |
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| CN201320780461.6U CN203660579U (en) | 2013-12-02 | 2013-12-02 | Mobile power supply |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618357A (en) * | 2013-12-02 | 2014-03-05 | 宁波一凯电子有限公司 | Mobile power source |
| CN105098890A (en) * | 2015-07-23 | 2015-11-25 | 深圳市华宝新能源有限公司 | Charging data line and charger |
| CN105720667A (en) * | 2016-05-06 | 2016-06-29 | 宁波力芯科信息科技有限公司 | Wireless charging equipment with Lighting interface and USB interface |
| CN105762871A (en) * | 2016-04-05 | 2016-07-13 | 宁波力芯科信息科技有限公司 | Wireless charging mobile power supply device with WIFI signal enhancement |
| CN110062306A (en) * | 2019-04-24 | 2019-07-26 | 深圳市中芯微电子有限公司 | A kind of bluetooth headset and audio-frequency amplifier with booster circuit |
| WO2021042565A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳传音控股股份有限公司 | Quick charging system and method for handheld device, and handheld device |
| CN114567033A (en) * | 2022-02-21 | 2022-05-31 | 湖南炬神电子有限公司 | Circuit for improving conversion efficiency of multi-port charger |
-
2013
- 2013-12-02 CN CN201320780461.6U patent/CN203660579U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618357A (en) * | 2013-12-02 | 2014-03-05 | 宁波一凯电子有限公司 | Mobile power source |
| CN103618357B (en) * | 2013-12-02 | 2016-03-02 | 宁波一凯电子有限公司 | A kind of portable power source |
| CN105098890A (en) * | 2015-07-23 | 2015-11-25 | 深圳市华宝新能源有限公司 | Charging data line and charger |
| WO2017012180A1 (en) * | 2015-07-23 | 2017-01-26 | 深圳市华宝新能源股份有限公司 | Charging data cable and charger |
| CN105762871A (en) * | 2016-04-05 | 2016-07-13 | 宁波力芯科信息科技有限公司 | Wireless charging mobile power supply device with WIFI signal enhancement |
| CN105720667A (en) * | 2016-05-06 | 2016-06-29 | 宁波力芯科信息科技有限公司 | Wireless charging equipment with Lighting interface and USB interface |
| CN105720667B (en) * | 2016-05-06 | 2018-08-17 | 宁波力芯科信息科技有限公司 | Wireless charging equipment with L lighting interface and USB interface |
| CN110062306A (en) * | 2019-04-24 | 2019-07-26 | 深圳市中芯微电子有限公司 | A kind of bluetooth headset and audio-frequency amplifier with booster circuit |
| CN110062306B (en) * | 2019-04-24 | 2024-05-14 | 深圳市中芯微电子有限公司 | Bluetooth headset with boost circuit and audio amplifier |
| WO2021042565A1 (en) * | 2019-09-05 | 2021-03-11 | 深圳传音控股股份有限公司 | Quick charging system and method for handheld device, and handheld device |
| CN114567033A (en) * | 2022-02-21 | 2022-05-31 | 湖南炬神电子有限公司 | Circuit for improving conversion efficiency of multi-port charger |
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