CN207652113U - Multi-charging type mobile power charging system and its cradle - Google Patents

Abstract

The utility model discloses multi-charging type mobile power charging system and its cradles.Wherein, multi-charging type mobile power cradle, including cradle ontology, it is provided with power interface on the cradle ontology and is adapted to the charging interface of charging with mobile terminal, it is provided with control circuit board in the cradle ontology, the charging interface at least two is additionally provided with the USB interface of several supplying power for outside on the cradle ontology.The utility model can be that more than two mobile powers charge simultaneously by the way that multiple charging interfaces are arranged in cradle ontology, and several USB interfaces are additionally provided on cradle ontology, such a family only needs a cradle, can meet the charge requirement of kinsfolk.And in charging, mobile power is directly inserted on cradle ontology, without using charging wire, saves charging wire buying expenses, convenient for storage.

Description

Multi-charging type mobile power charging system and its cradle

Technical field

The utility model is related to mobile power charging technique, more particularly to a kind of multi-charging type mobile power charging system and its Cradle.

Background technology

Mobile power is a kind of portable charger integrating power supply and charge function, can be set to numbers such as mobile phones Standby charging or standby power whenever and wherever possible.Mobile power has great Rong generally by lithium cell or dry cell as charge storage unit Amount, multipurpose, small, long lifespan and it is safe and reliable the features such as, be can be whenever and wherever possible mobile phone, digital camera, MP3, MP4, The functional product of a variety of digital product power supplies such as PDA, palm PC, handheld device or standby charging.

Currently, mobile power is charged by charging wire external power supply, in electron equipment charge, once can only Charge to electronic equipment, each of such a family or even family be required for using multiple mobile powers come to Electronic equipment charges, inconvenient to use.

In addition, when existing mobile power connection power supply is charged, it is required to use power cord, results in the need for carrying Power cord is more, is not easy to store, and be easily lost.

Thus the prior art could be improved and improve.

Utility model content

Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of multi-charging type mobile powers Charging system and its cradle can simultaneously charge to multiple mobile powers, and in charging, mobile power is without using charging Line.

In order to achieve the above object, the utility model takes following technical scheme：

A kind of multi-charging type mobile power cradle, including cradle ontology are provided with power supply on the cradle ontology and connect Mouthful and be adapted to the charging interface to charge with mobile terminal, be provided with control circuit board, the charging in the cradle ontology Mouthfuls at least two, the USB interface of several supplying power for outside is additionally provided on the cradle ontology.

In the multi-charging type mobile power cradle, it is provided with cooling fin in the control circuit board, in the control Radiating silica gel sheet is provided between circuit board and cooling fin.

In the multi-charging type mobile power cradle, sealing ring is arranged on the charging interface.

The multi-charging type mobile power cradle, further includes charging wire, is provided on the charging wire for connecting city The attaching plug of electricity.

In the multi-charging type mobile power cradle, governor circuit, the master control are provided in the control circuit board Circuit includes：EMI is filtered and rectification module, PWM main control modules, transformer, output synchronous rectification filter module, output key control Molding block and USB output modules, electric main is filtered through EMI and rectification module is filtered to handle with rectification and converts alternating current PWM main control modules are given for direct current electricity output, output is to transformer after being handled by PWM main control modules, by transformer progress electricity Pressure conversion after output to output synchronous rectification filter module synchronize rectifying and wave-filtering processing export again give output key control mould After carrying out output voltage control by key control module, mobile power and outer is given to USB output modules and charging interface respectively for block Connect electronic equipment charging.

In the multi-charging type mobile power cradle, the EMI filtering and rectification module include fuse, common mode electricity Sense, filter capacitor, first resistor, second resistance, rectifier bridge, the first inductance, the second inductance, the first capacitance and the second capacitance, institute The one end for stating power interface connects the 3rd foot of common mode inductance by fuse, and the other end of power interface passes through common mode inductance 1st foot and the 2nd foot ground connection, one end of the 4th foot connection first resistor of common mode inductance and the 1st foot of rectifier bridge also pass through filtering The other end of capacity earth, first resistor is grounded by second resistance, and the 3rd foot of rectifier bridge passes through the first inductance connection PWM master Control one end of module and the second capacitance, also by the first capacity earth, the 4th foot of the rectifier bridge is grounded by the second inductance.

In the multi-charging type mobile power cradle, the PWM main control modules include constant current protection chip, metal-oxide-semiconductor, the Three resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11st Resistance, third capacitance, the first diode and the second diode, the FB feet of the constant current protection chip are connected by the 6th resistance to be become The different name end of second armature winding of depressor and one end of the 5th resistance, also by third capacity earth, also pass through the 7th resistance The vdd terminal of ground connection, constant current protection chip connects the cathode of the first diode, also passes sequentially through the 4th resistance and connected with 3rd resistor Core is protected in the Same Name of Ends of first armature winding of transformer, the other end of anode the 5th resistance of connection of the first diode, constant current The ends GATE of piece connect the cathode of the second diode, also just by the grid of the 8th resistance connection metal-oxide-semiconductor and the second diode Pole, the different name end of the first armature winding of the drain electrode connection transformer of metal-oxide-semiconductor, the source electrode of metal-oxide-semiconductor connect perseverance by the 9th resistance The tenth resistance, eleventh resistor ground connection are also distinguished in the ends CS of stream protection chip.

In the multi-charging type mobile power cradle, the output synchronous rectification filter module includes：Synchronous rectification control Coremaking piece, twelfth resistor, thirteenth resistor, the 14th resistance, third diode, the 6th capacitance, the 7th capacitance, the 8th capacitance With the 9th capacitance, the Same Name of Ends and third diode of the secondary windings of the ends the SW connection transformer of the synchronous rectification control chip Cathode, also pass sequentially through twelfth resistor, the ends GND of the 5th capacitance connection synchronous rectification control chip and third diode Anode, the ends VCC that synchronous rectification controls chip are grounded by the 6th capacitance, thirteenth resistor respectively；The secondary of the transformer The different name end connection output key control module of winding also passes through the 7th capacitance, the 8th capacitance, the 9th capacitance, the 14th respectively Resistance eutral grounding.

In the multi-charging type mobile power cradle, the output key control module includes the first triode, second Triode, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th resistance, the first MOS switch core Piece, the second MOS switch chip, the tenth capacitance and key switch, the collector of the first triode is connected by the 15th resistance to be become The different name end of the secondary windings of depressor connects the first MOS switch chip base with USB output modules, also by the 22nd resistance Pole, the collector of the first triode are also connected with one end of the 19th resistance, the emitter ground connection of the first triode, the first triode Base stage pass through the 17th resistance connect one end of the 16th resistance, the 18th resistance one end and the second triode current collection Pole, connected also by key switch the 19th resistance the other end and the tenth capacitance one end, the other end of the 16th resistance connects Different name end and the USB output modules of the secondary windings of transformer are connect, the collector of the second triode connects the first MOS switch chip The ends G1, the ends G2, the ends G1 of the second MOS switch chip, the ends G2, the ends S1 of the first MOS switch chip, the ends S2, the second MOS switch The ends S1, the ends S2 of chip connect the other end of the 18th resistance, the ends D1 of the first MOS switch chip, the ends D2, the second MOS switch The ends D1, the ends D2 of chip are grounded.

A kind of multi-charging type mobile power charging system, including at least two mobile powers and the charging of multi-charging type mobile power Seat, the charging interface grafting of the mobile power and multi-charging type mobile power cradle.

Compared to the prior art, a kind of multi-charging type mobile power charging system and its cradle provided by the utility model, Its multi-charging type mobile power cradle, including cradle ontology, be provided on the cradle ontology power interface and with movement The charging interface of terminal adaptation charging, is provided with control circuit board in the cradle ontology, the charging interface is at least two It is a, the USB interface of several supplying power for outside is additionally provided on the cradle ontology.The utility model in cradle ontology by setting It can be that more than two mobile powers charge simultaneously to set multiple charging interfaces, and if being additionally provided on cradle ontology Dry USB interface, such a family only need a cradle, can meet the charge requirement of kinsfolk.And it is charging When mobile power be directly inserted on cradle ontology, without using charging wire, save charging wire buying expenses, convenient for storage.

Description of the drawings

Fig. 1 is the decomposition texture schematic diagram of multi-charging type mobile power cradle provided by the utility model.

Fig. 2 is the structure diagram of the governor circuit of multi-charging type mobile power cradle provided by the utility model.

Fig. 3 is EMI filtering and rectification mould in the governor circuit of multi-charging type mobile power cradle provided by the utility model Block, PWM main control modules, transformer, the circuit diagram for exporting synchronous rectification filter module.

Fig. 4 is output key control module in the governor circuit of multi-charging type mobile power cradle provided by the utility model Circuit diagram.

Fig. 5 be multi-charging type mobile power cradle provided by the utility model governor circuit in USB output modules electricity Road schematic diagram.

Specific implementation mode

A kind of multi-charging type mobile power charging system of the utility model offer and its cradle, by being configured on cradle 4 USB interfaces and more than two charging interfaces can give 4 mobile terminals and more than two mobile powers to charge simultaneously, take leave of The scene of multiple chargers and the in disorder winding of data line.

To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings The utility model is further described in example.It should be appreciated that specific embodiment described herein is only explaining this practicality It is novel, it is not used to limit the utility model.

Referring to Fig. 1, multi-charging type mobile power cradle provided by the utility model, including cradle ontology 1, it is described to fill It is provided with power interface 11 on electric seat ontology 1 and is adapted to the charging interface 12 of charging with mobile terminal, in the cradle ontology 1 Be provided with control circuit board 13, the charging interface 12 at least two, be additionally provided on the cradle ontology 1 it is several externally The usb 14 of power supply.

In the present embodiment, the charging interface 12 uses contact interface, one inserts and can charge to mobile power conveniently, puts Wired winding is taken off, wireless charging is more saved worry.10000mAh thin polymer mobile powers can be used in mobile power, carry charging Mouthful, leaving charging station base can also fill, and charging is more convenient.

More than two mobile power the utility model use more than two charging interfaces 12, realize simultaneously give two with On mobile power charge, one-stop solution family charge requirement.For one family or lovers, separate daily Respectively work, when The night screen has hung down, their mobile power returns together again eventually, for single, two mobile powers It is used interchangeably, mobile power is avoided the occurrence of in charging, without the portable situation of mobile power.

The usb 14 is four, can the output of intelligent recognition electric current, charging do not hinder equipment, and enough one families use simultaneously, And cradle ontology 1 configures the scene that 4 USB charge ports take leave of multiple chargers and the in disorder winding of data line.

Please continue to refer to Fig. 1, in multi-charging type mobile power cradle provided by the utility model, the control circuit board 13 On be provided with cooling fin 15.It is provided with radiating silica gel sheet 16 between the control circuit board 13 and cooling fin 15, passes through heat dissipation When piece 15 and radiating silica gel sheet 16 will charge, the heat that electronic component generates quickly sheds, and is filled with improving multi-charging type mobile power The service life of electric seat.

Specifically, the charging interface 12 is set on the top surface of cradle ontology 1, described to fill to prevent pcb board from intaking Sealing ring 17 is arranged on electrical interface 12.

Multi-charging type mobile power cradle provided by the utility model further includes charging wire 18, is arranged on the charging wire 18 It is useful for the attaching plug 19 of connection alternating current, is connect with cradle ontology 1 in charging wire 18,19 incoming transport alternating current of attaching plug Afterwards, which can work.

Further, cradle ontology 1 is additionally provided with power knob 20, and the power button is translucent button, under Side is provided with light-guiding pillar 21, power supply indicator is provided on the pcb board under light-guiding pillar 21, power supply indicator is blue led The light of lamp, transmitting is transferred to by light-guiding pillar 21 at power button, and stylishness and technology sense are increased, and improves multi-charging type shifting The visual sense of beauty of dynamic power source charges seat, improves the market competitiveness.

Also referring to 2, it is arranged on the multi-charging type mobile power cradle of the utility model, the control circuit board 13 There are the governor circuit, the governor circuit to include：EMI is filtered and rectification module 131, PWM main control modules 132, transformer T1, output Synchronous rectification filter module 133, output key control module 134 and USB output modules 135.The power interface 11, EMI filters Involve rectification module 131, PWM main control modules 132, transformer T1, go out synchronous rectification filter module, output key control module 134 and USB output modules 135 are sequentially connected, and the output key control module 134 is also connected with PWM main control modules 132, and USB is defeated Go out module 135 and is also connected with usb 14 and charging interface 12.

Electric main is filtered through EMI and rectification module 131 is filtered to handle with rectification and alternating current is converted to direct current It exports to PWM main control modules 132, is exported after being handled by PWM main control modules 132 and give transformer T1, carried out by transformer T1 Output, which to output synchronous rectification filter module 133 synchronizes rectifying and wave-filtering processing and exports again, after voltage conversion gives output key control Molding block 134 is given after carrying out output voltage control by key control module to USB output modules 135 and charging interface 12 respectively Mobile power and external connected electronic equipment charge.

When it is implemented, the EMI filtering and rectification module 131 can reduce the electromagnetic radiation of cradle, also referring to Fig. 2 and Fig. 3, the EMI filtering and rectification module 131 include fuse F1, common mode inductance L1, filter capacitor CX1, first resistor R1, second resistance R2, rectifier bridge DB1, the first inductance L2, the second inductance L3, the first capacitance C1 and the second capacitance C2.The power supply One end of interface 11 passes through common mode inductance by the 3rd foot of fuse F1 connection common mode inductances L1, the other end of power interface 11 The 1st foot of L1 and the 2nd foot ground connection, one end of the 4th foot connection first resistor R1 of common mode inductance L1 and the 1st foot of rectifier bridge DB1, It is also grounded by filter capacitor CX1, the other end of first resistor R1 is grounded by second resistance R2, and the 3rd foot of rectifier bridge DB1 is logical Cross one end of the first inductance L2 connection PWM main control modules 132 and the second capacitance C2, also by the first capacitance C1 ground connection, it is described whole The 4th foot for flowing bridge DB1 passes through the second inductance L3 ground connection.

EMI filtering is carried out by inductance, resistance and capacitance, reduces electromagnetic radiation, keeps multi-charging type mobile power cradle full Sufficient certification radiation and conductance calls.

PWM main control modules 132 have the function of that constant current function, overcurrent protection function, output overpower protection, output short-circuit are protected Protective function, output under-voltage protection function etc., these functions are realized by the peripheral resistance capacitance of chip collocation.

When it is implemented, the PWM main control modules 132 include constant current protection chip U1, metal-oxide-semiconductor Q1,3rd resistor R3, the Four resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, Eleventh resistor R11, third capacitance C3, the first diode D1 and the second diode D2.

The FB feet of constant current protection chip U1 are different by the second armature winding of the 6th resistance R6 connection transformers T1 Name end and one end of the 5th resistance R5 are grounded also by third capacitance C3, also pass through the 7th resistance R7 ground connection, and chip is protected in constant current The vdd terminal of U1 connects the cathode of the first diode D1, also passes sequentially through the 4th resistance R4 connects transformer T1 with 3rd resistor R3 The first armature winding Same Name of Ends, the first diode D1 anode connection the 5th resistance R5 the other end, constant current protect chip The ends GATE of U1 connect the cathode of the second diode D2, the also grid by the 8th resistance R8 connection metal-oxide-semiconductors Q1 and the two or two pole The anode of pipe D2, the different name end of the first armature winding of the drain electrode connection transformer T1 of metal-oxide-semiconductor Q1, the source electrode of metal-oxide-semiconductor Q1 pass through 9th resistance R9 connection constant currents protect the ends CS of chip U1, also distinguish the tenth resistance R10, eleventh resistor R11 ground connection.

The constant current protection chip U1 is using the integrated chip of model OB2560CMP or the chip of similar functions.Institute When to state ends GATE that metal-oxide-semiconductor Q1 is N metal-oxide-semiconductors Q1, OB2560CMP be high level, metal-oxide-semiconductor Q1 is made to be connected.9th resistance R9 is detection resistance, passes through the voltage and current of the 9th resistance R9 feedback transformers T1 to OB2560CMP cores when metal-oxide-semiconductor Q1 is connected The ends CS of piece make the pwm signal of the ends GATE respective point sky ratio, to control the conducting degree of metal-oxide-semiconductor Q1, to control output work Rate.

The output synchronous rectification filter module 133 includes：Synchronous rectification controls chip U2, twelfth resistor R12, the tenth Three resistance R13, the 14th resistance R14, third diode D3, the 6th capacitance C6, the 7th capacitance C7, the electricity of the 8th capacitance C8 and the 9th Hold C9, the Same Name of Ends and third diode D3 of the secondary windings of the ends the SW connection transformer T1 of the synchronous rectification control chip U2 Cathode, also pass sequentially through the ends GND and the three or two of twelfth resistor R12, the 5th capacitance connection synchronous rectification control chip U2 The anode of pole pipe D3, synchronous rectification control the ends VCC of chip U2 respectively by the 6th capacitance C6, thirteenth resistor R13 ground connection；Institute State the different name end connection output key control module 134 of the secondary windings of transformer T1, also respectively by the 7th capacitance C7, the 8th Capacitance C8, the 9th capacitance C9, the 14th resistance R14 ground connection.

In the present embodiment, synchronous rectification controls the integrated chip that chip U2 uses model JW7707D or type of functionality, interior It has set synchronous rectification and switch MOS improves product efficiency compared to conventional asynchronous rectifier system, reduced product body Product, integrated level is high, and calorific value is small.

Also referring to Fig. 2, Fig. 3 and Fig. 4, the output key control module 134 includes the first triode Q2, the two or three Pole pipe Q3, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, the 19th resistance R19, First MOS switch chip Q4, the second MOS switch chip Q5, the tenth capacitance C10 and key switch S1.

The collector of first triode Q2 by the different name end of the secondary windings of the 15th resistance R15 connection transformers T1 and USB output modules 135, also by the 22nd resistance R22 connection the first MOS switch chip Q4 base stages, the first triode Q2's Collector is also connected with one end of the 19th resistance R19, the emitter ground connection of the first triode Q2, and the base stage of the first triode Q2 is led to Cross the collection of one end of the 16th resistance R16 of the 17th resistance R17 connections, one end and the second triode Q3 of the 18th resistance R18 Electrode, also by the 19th resistance R19 of key switch S1 connections the other end and the tenth capacitance C10 one end, the 16th resistance The different name end of the secondary windings of the other end connection transformer T1 of R16 and USB output modules 135, the current collection of the second triode Q3 Pole connect the ends G1 of the first MOS switch chip Q4, the ends G2, the second MOS switch chip Q5 the ends G1, the ends G2, the first MOS switch core The ends S1, the ends S2, the ends S1 of the second MOS switch chip Q5, the ends S2 of piece Q4 connect the other end of the 18th resistance R18, the first MOS The ends D1 of switch chip Q4, the ends D2, the second MOS switch chip Q5 the ends D1, the ends D2 be grounded.

Wherein, it is NPN triode that the first triode Q2, the second triode Q3, which are PNP triode, and key switch S1 is located at The lower section of power knob 20, by 20 control button switch S1 its open/close states of power knob.Output key control module 134 is single Stable state switching circuit realizes output single-tap switch control by simpler hardware circuit, saves a microcontroller, save into This.

Also referring to Fig. 1 to Fig. 5, USB output modules 135 include the resistance of RH7901A chips and its periphery, capacitance Deng the ends DP of RH7901A chips connect the D- feet and D+ feet of usb 14 with the ends DM.RH7901A chips can give the D+ of USB The voltage protocol needed for cell phone apparatus identification is provided with D- pins, the charging time is saved under the premise of protecting charging equipment, reaches To the purpose of intelligent recognition.

Based on above-mentioned multi-charging type mobile power cradle, the utility model correspondingly provides a kind of multi-charging type mobile power Charging system and a multi-charging type mobile power cradle, the charging interface of the mobile power and multi-charging type mobile power cradle Grafting.Since the multi-charging type mobile power cradle being described in detail above, details are not described herein again.

In the multi-charging type mobile power charging system of the utility model, the surface of shell of the mobile power can stamp lovers Pattern, it is simple romantic, or handled in surface of shell oil spout, it is suitble to unmarried business people to use.

In conclusion the utility model can be more than two simultaneously by the way that multiple charging interfaces are arranged in cradle ontology Mobile power charges, and mobile power is directly inserted on cradle ontology in charging, without using charging wire, saves Charging wire buying expenses, convenient for storage.It is equipped with 4 USB on cradle ontology and fills mouth, is not necessarily to charging head, multiple devices are same When fill only need to share a cradle, such a family only needs a cradle, can meet the charge requirement of kinsfolk.

It is understood that for those of ordinary skills, can with technical solution according to the present utility model and The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model Scope of the claims.

Claims (10)

1. a kind of multi-charging type mobile power cradle, including cradle ontology, power interface is provided on the cradle ontology With the charging interface for being adapted to charging with mobile terminal, control circuit board is provided in the cradle ontology, which is characterized in that institute Charging interface at least two is stated, the USB interface of several supplying power for outside is additionally provided on the cradle ontology.

2. multi-charging type mobile power cradle according to claim 1, which is characterized in that be arranged in the control circuit board There is cooling fin, radiating silica gel sheet is provided between the control circuit board and cooling fin.

3. multi-charging type mobile power cradle according to claim 1, which is characterized in that be arranged on the charging interface Sealing ring.

4. multi-charging type mobile power cradle according to claim 1, which is characterized in that further include charging wire, it is described to fill The attaching plug for connecting alternating current is provided on electric wire.

5. multi-charging type mobile power cradle according to claim 1, which is characterized in that be arranged in the control circuit board There are the governor circuit, the governor circuit to include：EMI is filtered and rectification module, PWM main control modules, transformer, output synchronous rectification Filter module, output key control module and USB output modules, electric main through EMI filter and rectification module be filtered and Alternating current is converted to direct current electricity output and gives PWM main control modules by rectification processing, and output is to change after being handled by PWM main control modules Depressor gives output synchronous rectification filter module to synchronize rectifying and wave-filtering processing defeated again by output after transformer progress voltage conversion Go out and give output key control module, after carrying out output voltage control by key control module, gives USB output modules and charging interface Mobile power and external connected electronic equipment charge are given respectively.

6. multi-charging type mobile power cradle according to claim 5, which is characterized in that the EMI filtering and rectification mould Block includes fuse, common mode inductance, filter capacitor, first resistor, second resistance, rectifier bridge, the first inductance, the second inductance, One capacitance and the second capacitance, one end of the power interface connect the 3rd foot of common mode inductance by fuse, power interface it is another One end is grounded by the 1st foot of common mode inductance and the 2nd foot, one end of the 4th foot connection first resistor of common mode inductance and rectifier bridge The 1st foot, be also grounded by filter capacitor, the other end of first resistor is grounded by second resistance, and the 3rd foot of rectifier bridge passes through One end of first inductance connection PWM main control modules and the second capacitance, also by the first capacity earth, the 4th foot of the rectifier bridge It is grounded by the second inductance.

7. multi-charging type mobile power cradle according to claim 6, which is characterized in that the PWM main control modules include Chip, metal-oxide-semiconductor, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th are protected in constant current Resistance, the tenth resistance, eleventh resistor, third capacitance, the first diode and the second diode, the FB of the constant current protection chip Foot connects the different name end of the second armature winding of transformer and one end of the 5th resistance by the 6th resistance, also by third capacitance Ground connection, also by the 7th resistance eutral grounding, the vdd terminal of constant current protection chip connects the cathode of the first diode, also passes sequentially through the Four resistance connect the Same Name of Ends of the first armature winding of transformer, anode the 5th resistance of connection of the first diode with 3rd resistor The other end, constant current protect chip the ends GATE connect the second diode cathode, also pass through the 8th resistance connect metal-oxide-semiconductor grid The anode of pole and the second diode, the different name end of the first armature winding of the drain electrode connection transformer of metal-oxide-semiconductor, the source electrode of metal-oxide-semiconductor The ends CS of constant current protection chip are connected by the 9th resistance, also distinguish the tenth resistance, eleventh resistor ground connection.

8. multi-charging type mobile power cradle according to claim 7, which is characterized in that the output synchronous rectification filtering Module includes：Synchronous rectification controls chip, twelfth resistor, thirteenth resistor, the 14th resistance, third diode, the 6th electricity Appearance, the 7th capacitance, the 8th capacitance and the 9th capacitance, the secondary windings of the ends the SW connection transformer of the synchronous rectification control chip Same Name of Ends and third diode cathode, also pass sequentially through twelfth resistor, the 5th capacitance connection synchronous rectification control chip The ends GND and third diode anode, synchronous rectification control chip the ends VCC pass through the 6th capacitance, thirteenth resistor respectively Ground connection；The different name end connection output key control module of the secondary windings of the transformer also passes through the 7th capacitance, the 8th respectively Capacitance, the 9th capacitance, the 14th resistance eutral grounding.

9. multi-charging type mobile power cradle according to claim 8, which is characterized in that the output key control module Including the first triode, the second triode, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, the 19th The collector of resistance, the first MOS switch chip, the second MOS switch chip, the tenth capacitance and key switch, the first triode is logical The different name end for crossing the secondary windings of the 15th resistance connection transformer is connected with USB output modules, also by the 22nd resistance First MOS switch chip base stage, the collector of the first triode are also connected with one end of the 19th resistance, the transmitting of the first triode Pole is grounded, the base stage of the first triode by the 17th resistance connect one end of the 16th resistance, one end of the 18th resistance and The collector of second triode, also by key switch connect the 19th resistance the other end and the tenth capacitance one end, the tenth The different name end of the secondary windings of the other end connection transformer of six resistance and USB output modules, the collector of the second triode connect Meet the ends G1, the ends G2, the ends G1 of the second MOS switch chip, the ends G2 of the first MOS switch chip, the S1 of the first MOS switch chip End, the ends S2, the ends S1 of the second MOS switch chip, the ends S2 connect the 18th resistance the other end, the D1 of the first MOS switch chip End, the ends D2, the ends D1 of the second MOS switch chip, the ends D2 are grounded.

10. a kind of multi-charging type mobile power charging system, including at least two mobile powers, which is characterized in that further include such as power Profit requires the multi-charging type mobile power cradle described in 1-9 any one, the mobile power to charge with multi-charging type mobile power The charging interface grafting of seat.