CN207304057U - Charging unit - Google Patents
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- CN207304057U CN207304057U CN201721081904.7U CN201721081904U CN207304057U CN 207304057 U CN207304057 U CN 207304057U CN 201721081904 U CN201721081904 U CN 201721081904U CN 207304057 U CN207304057 U CN 207304057U
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Abstract
A kind of charging unit is the utility model is related to, including：Electric power management circuit, power supply and electric discharge interface circuit；The electric power management circuit is connected with the power supply, the electric discharge interface circuit respectively；The electric power management circuit is used to handle the output voltage of the power supply, to be charged by the electric discharge interface circuit to mobile terminal；The electric discharge interface circuit is used to access the mobile terminal, and including Lightning interfaces and multiple USB interfaces for supporting fast charge technology；The electric discharge interface circuit is used for when detecting that the USB interface charges mobile terminal using fast charge technology, controls the Lightning interfaces to stop charging to mobile terminal.Above-mentioned charging unit can prevent from burning out the mobile terminal (such as iPhone) to charge by Lightning interfaces, improve the use reliability of shared charging.
Description
Technical field
Charging technique field is the utility model is related to, more particularly to a kind of charging unit.
Background technology
With the popularization of smart machine, people are higher and higher using the frequency of smart mobile phone and other mini electrical equipments,
But power consumption is a the problem of can not be ignored.Based on the above situation, shared mobile power comes into being, it can be mobile phone etc.
Mini electrical equipment charges at any time, however, the use reliability for how improving shared mobile power is urgently to be resolved hurrily asks
Topic.
Utility model content
The utility model provides a kind of charging unit, can improve the use reliability of shared charging.
A kind of charging unit, including：Electric power management circuit, power supply and electric discharge interface circuit；The electric power management circuit point
It is not connected with the power supply, the electric discharge interface circuit；
The electric power management circuit is used to handle the output voltage of the power supply, to pass through the electric discharge interface electricity
Charge to mobile terminal on road；The electric discharge interface circuit is used to access the mobile terminal, and including Lightning interfaces
And multiple USB interfaces for supporting fast charge technology；The electric discharge interface circuit is used to detect that the USB interface utilizes fast charge skill
When art charges mobile terminal, the Lightning interfaces are controlled to stop charging to mobile terminal.
In one of the embodiments, the electric discharge interface circuit connects including fast charge module, detection module and Lightning
Mouth mold block；
The fast charge module supports the fast charge technology, and is connected with the power output end of the electric power management circuit, and
The fast charge module is used to charge to the mobile terminal of respective type by the USB interface；The detection module difference
Power output end, the Lightning interface modules with the electric power management circuit are connected, and the detection module is used for
When detecting that the voltage of the power output end output of the electric power management circuit is more than given threshold, the power management electricity is cut off
Circuit between road and the Lightning interface modules；The Lightning interface modules are used for by described
Lightning interfaces charge the mobile terminal of respective type.
In one of the embodiments, the fast charge module includes micro USB interfaces and USB Type-C interfaces；It is described
Micro USB interfaces, the USB Type-C interfaces are connected in parallel the power output end of the electric power management circuit.
In one of the embodiments, the detection module includes voltage comparison unit and switch element；The voltage ratio
Input terminal compared with unit is connected with the power output end of the electric power management circuit, the output terminal of the voltage comparison unit and institute
State switch element connection；The switch element be also attached to the power output end of the electric power management circuit with it is described
Between Lightning interface modules；
Whether the voltage that the voltage comparison unit is used for the power output end output for detecting the electric power management circuit is big
In the given threshold, if so, controlling the switch element to switch to off-state；Otherwise the switch element is controlled to switch to
Conducting state.
In one of the embodiments, the voltage comparison unit include voltage detector, first resistor, the first capacitance,
Second resistance and diode；The input terminal of the voltage detector is connected with the anode of the diode, the voltage detector
Output terminal be connected with the switch element；The cathode of the diode and the power output end of the electric power management circuit connect
Connect；One end ground connection of first capacitance, the other end of first capacitance are connected with one end of the first resistor；Described
The common port of one capacitance and the first resistor one end with the second resistance, the diode and the voltage detecting respectively
The common port connection of device；The other end ground connection of the second resistance.
In one of the embodiments, the switch element includes the first metal-oxide-semiconductor；The grid of first metal-oxide-semiconductor and institute
State the output terminal connection of voltage comparison unit, the drain electrode of first metal-oxide-semiconductor and the power output end of the electric power management circuit
Connection, the source electrode of first metal-oxide-semiconductor are connected with the Lightning interface modules.
In one of the embodiments, the Lightning interface modules include Lightning chips, the second metal-oxide-semiconductor,
Second capacitance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and Lightning interfaces；Described second
The drain electrode of metal-oxide-semiconductor is connected with the output terminal of the detection module, the grid of second metal-oxide-semiconductor and the Lightning chips
Connection, the source electrode of second metal-oxide-semiconductor are connected with the Lightning interfaces；One end of the 3rd resistor with it is described
Lightning interfaces connect, and the other end of the 3rd resistor passes through second capacity earth；The Lightning chips
Power input be connected with the output terminal of the detection module, the Lightning chips also with the Lightning interfaces
Connection；One end of 4th resistance connects the power input of the Lightning chips, the other end of the 4th resistance
Pass through the 6th resistance eutral grounding；One end of 5th resistance connects the power input of the Lightning chips, described
The other end of 5th resistance passes through the 7th resistance eutral grounding.
In one of the embodiments, the fast charge technology is QC3.0 fast charge technologies.
In one of the embodiments, the given threshold is 5V.
In one of the embodiments, the charging unit also bag Bluetooth control circuit connects；The Bluetooth control circuit
It is connected with the electric power management circuit；The Bluetooth control circuit supports Bluetooth protocol and wechat agreement, for the movement
Terminal communicates.
In above-mentioned charging unit, electric discharge interface circuit is detecting USB interface using fast charge technology to mobile terminal progress
During charging, control Lightning interfaces stop charging to mobile terminal, pass through Lightning so as to prevent from burning out
The mobile terminal (such as iPhone) of interface charging, improves the use reliability of shared charging.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, can also be according to the attached drawing of these attached drawings acquisition other embodiment.
Fig. 1 is the block diagram for the charging unit that an embodiment provides；
Fig. 2 be Fig. 1 illustrated embodiments charging unit in electric power management circuit one of which physical circuit figure；
Fig. 3 be Fig. 1 illustrated embodiments charging unit in charging inlet circuit one of which physical circuit figure；
Fig. 4 be Fig. 1 illustrated embodiments charging unit in discharge interface circuit the specific block diagram of one of which；
Fig. 5 is the one of which physical circuit figure of the electric discharge interface circuit of embodiment illustrated in fig. 4；
Fig. 6 is the one of which for the USB interface being connected in the charging unit of Fig. 1 illustrated embodiments with electric power management circuit
Circuit diagram；
Fig. 7 is the block diagram of one of embodiment of the charging unit of Fig. 1 illustrated embodiments；
Fig. 8 is the one of which physical circuit figure of Bluetooth control circuit in embodiment illustrated in fig. 7.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in fact in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is the public affairs made to the utility model
Open the understanding more thorough and comprehensive of content.
Unless otherwise defined, technical field of all of technologies and scientific terms used here by the article with belonging to utility model
The normally understood implication of technical staff it is identical.It is intended merely to retouch in the term used in the description of utility model herein
State the purpose of specific embodiment, it is not intended that limitation the utility model.Term as used herein "and/or" include one or
The arbitrary and all combination of multiple relevant Listed Items.
One embodiment provides a kind of charging unit, is used for realization shared charging service.Please refer to Fig.1, charging dress
Put including electric power management circuit 100, power supply 200 and electric discharge interface circuit 300.Electric power management circuit 100 respectively with power supply 200,
Electric discharge interface circuit 300 connects.
Wherein, power supply 200 is, for example, the high capacity polymer lithium battery that capacity is 16000mAh, normal voltage is 3.7V,
So as to after fully charged, charge to multiple mobile terminals.
Electric power management circuit 100 is used to handle the output voltage of power supply 200, to pass through the interface circuit 300 that discharges
Charge to mobile terminal.When power supply 200 discharges, i.e., when charging to mobile terminal, electric power management circuit 100 can be with
The voltage that power supply 200 exports is boosted using traditional mode, and the voltage after boosting is passed through into the interface circuit 300 that discharges
Charge to mobile terminal.In addition, electric power management circuit 100 can also have input overvoltage, input undervoltage, output overcurrent, output
Overvoltage, output short-circuit, over-charging of battery, battery cross put, the multiple protection functions such as battery overcurrent, chip over-temperature.Electric power management circuit
200 for example select IP5318Q chips and peripheral circuit, wherein, IP5318Q chips are (compatible to be integrated with QC2.0/3.0 fast charges
DCP identification functions, compatible BC1.2, apple and Samsung mobile phone), synchronous pressure-boosting converter, lithium battery Charge Management, battery capacity
The multi-functional power management SOC (System-on-a-Chip) such as instruction.The one of which circuit diagram of electric power management circuit 200 is such as
Shown in Fig. 2, its chips U1 is IP5318Q chips, and chip U2 is Li battery protection IC.
Further, electric power management circuit 100 is additionally operable to the charging process of control power supply 200.Charge to power supply 200
When, electric power management circuit 100 can carry out constant current constant voltage control using traditional mode.In one of the embodiments, it is above-mentioned
Charging unit further includes the charging inlet circuit for charging to power supply 200, circuit diagram such as Fig. 3 institutes of charging inlet circuit
Show.The charging inlet circuit is connected with electric power management circuit 100.Fig. 2 is please combined in the lump, and the input terminal of charging inlet circuit passes through
After the charger insertion charging input end (DC) of 9V/2A, VIN is high level, and at this moment the PIN30 (i.e. pin 30) of chip U1 is
High level, afterwards the PIN31 of chip U1 then export low level, i.e. VING be low level, PMOS tube Q1 conductings, while chip U1 into
Row constant current constant voltage controls, to charge to power supply 200.
Electric discharge interface circuit 300 is used to access mobile terminal, and including Lightning interfaces and multiple support fast charge technologies
USB interface.In other words, the interface circuit 300 that discharges has the output interface of multiple and different types, so as at the same time to more
Mobile terminal charges.Wherein, Lightning interfaces, i.e. lightning interface, can charge iPhone.USB interface is for example
For USB Type-C interfaces, micro USB interfaces or other interfaces.Fast charge technology, that is, rapid nitriding, output power are more than
The 5W (5V/1A) of USB charger, fast charge technology are, for example, QC3.0 fast charge technologies.Specifically, discharging interface circuit 300 can be simultaneous
Hold DCP identification functions, compatibility BC1.2, apple and Samsung mobile phone.
In addition, electric discharge interface circuit 300 is used to detect that USB interface charges to mobile terminal using fast charge technology
When, control Lightning interfaces stop charging to mobile terminal.In other words, as long as electric discharge interface circuit 300 has detected
When one USB interface is charged using fast charge technology, then Lightning interfaces are controlled to stop the mobile terminal to respective type
(such as iPhone) charge so that avoid to the mobile terminal (such as iPhone) to be charged by Lightning interfaces because
Charging voltage is excessive and causes to damage.
Further, all devices of charging unit are all positioned in a shell.Alternatively, discharge interface circuit 300
For telescopic structure so that electric discharge interface circuit 300 can not only be located in shell, but also can be stretched to outside shell.Therefore, need
When being charged, electric discharge interface circuit 300 is pulled out in order to charge to mobile terminal；After charging, it can incite somebody to action
Electric discharge interface circuit 300 is retracted in shell, so as to play a protective role to electric discharge interface circuit 300.
In conclusion in above-mentioned charging unit, electric discharge interface circuit 300 is detecting that USB interface utilizes fast charge technology pair
When mobile terminal is charged, control Lightning interfaces stop charging to mobile terminal, logical so as to prevent from burning out
The mobile terminal (such as iPhone) of Lightning interfaces charging is crossed, improves the use reliability of shared charging.
In one of the embodiments, please refer to Fig.4, electric discharge interface circuit 300 includes fast charge module 310, detection module
320 and Lightning interface modules 330.
Wherein, fast charge module 310 supports fast charge technology, and is connected with the power output end of electric power management circuit 100, and soon
Mold filling block 310 is used to charge to the mobile terminal of respective type by USB interface.Wherein, the electricity of electric power management circuit 100
The voltage of source output terminal output obtains (such as boosting) after the output voltage processing of power supply 200 for electric power management circuit 100
Voltage.The mobile terminal of respective type is the mobile end for referring to charge using the charging interface that fast charge module 310 has
End.
Specifically, Fig. 5 is refer to, fast charge module 310 includes micro USB interfaces and USB Type-C interfaces.micro
USB interface, USB Type-C interfaces are connected in parallel the power output end of electric power management circuit 100.Therefore, suitable for micro
The mobile terminal of USB interface or USB Type-C interfaces can be charged by fast charge module 310.
Further, discharging interface circuit 300 can be by a USB plug and USB interface and electric power management circuit 100
Connection.So, after the USB plug J2 in Fig. 5 is inserted into the USB interface J2 in Fig. 6, you can establish electric discharge interface circuit 300
With the connection of electric power management circuit 100.In the circuit shown in Fig. 6, as the PIN35 of the chip U1 in electric power management circuit 100
When exporting low level (i.e. VOUTG is low level), PMOS tube Q2 conductings, the voltage after the output boosting of electric power management circuit 100
After VO, you can by discharging, interface circuit 300 charges external mobile terminal.
The power output end with electric power management circuit 100, Lightning interface modules 300 connect detection module 320 respectively
Connect, and detection module 320 is used to be more than given threshold in the voltage for the power output end output for detecting electric power management circuit 100
When, the circuit between cut-out Lightning interface modules 300 and electric power management circuit 100.Given threshold is, for example, 5V.At this moment,
When the voltage (VOUT) that the power output end of electric power management circuit 100 exports is more than 5V, represent in fast charge module 310 at least
One USB interface (such as USB Type-C interfaces) is charging mobile terminal using fast charge technology, then needs at this time
Deenergization manages the circuit between circuit 100 and Lightning interface modules 330, to control Lightning interface modules
330 stop supplying power for outside.
Specifically, voltage comparison unit 321 and switch element 322 are included please continue to refer to Fig. 5, detection module 320.Its
In, the input terminal of voltage comparison unit 321 is connected with the power output end of electric power management circuit 100, voltage comparison unit 321
Output terminal is connected with switch element 322.Switch element 322 be also attached to the power output end of electric power management circuit 100 with
Between Lightning interface modules 330.
Wherein, whether the voltage of power output end output of the voltage comparison unit 321 for detecting electric power management circuit 100
More than given threshold, if so, controlling switch unit 322 switches to off-state；Otherwise controlling switch unit 322 is switching-on
State.
Specifically, please continue to refer to Fig. 5, voltage comparison unit 321 include voltage detector (U4), first resistor (R1),
First capacitance (C2), second resistance (2) and diode (D1).Voltage detector is, for example, ME2808 chips.Wherein, voltage detecting
The input terminal of device and the anode of diode connect, and the output terminal of voltage detector is connected with switch element 322.The cathode of diode
It is connected with the power output end of electric power management circuit 100.One end ground connection of first capacitance, the other end of the first capacitance and the first electricity
One end connection of resistance.First capacitance and the common port of first resistor one end with second resistance, diode and voltage detecting respectively
The common port connection of device.The other end ground connection of second resistance.
Specifically, switch element 322 includes the first metal-oxide-semiconductor (Q1).First metal-oxide-semiconductor is, for example, PMOS tube.First metal-oxide-semiconductor
Grid is connected with the output terminal of voltage comparison unit 321.Specifically, the grid of the first metal-oxide-semiconductor and above-mentioned voltage detector is defeated
Outlet connects.The drain electrode of first metal-oxide-semiconductor is connected with the power output end of electric power management circuit 100, the source electrode of the first metal-oxide-semiconductor with
Lightning interface modules 330 connect.
In above-mentioned voltage comparison unit 321, if voltage detector detects the power output end of electric power management circuit 100
The voltage of output is more than 5V, then exports high level, at this time the first metal-oxide-semiconductor disconnect so that be disconnected electric power management circuit 100 with
Connection circuit between Lightning interface modules 330；Otherwise, low level is exported, the first metal-oxide-semiconductor turns at this time, so as to connect
Connection circuit between electric power management circuit 100 and Lightning interface modules 330, connects using Lightning at this time
Mouth mold block 330 externally charges.
Lightning interface modules 330 are used to fill the mobile terminal of respective type by Lightning interfaces
Electricity.Wherein, the mobile terminal of respective type is, for example, iPhone.Specifically, please continue to refer to Fig. 5, Lightning interface moulds
Block 330 includes Lightning chips (U1), the second metal-oxide-semiconductor (Q2), the second capacitance, 3rd resistor (1), the 4th resistance (R3), the
Five resistance (R2), the 6th resistance (R4), the 7th resistance (R5) and Lightning interfaces (J1A, J1B).Wherein, Lightning cores
Piece is to be conventionally used to the chip that control Lightning interfaces charge mobile terminal.The drain electrode of second metal-oxide-semiconductor and detection mould
The output terminal connection of block 320.The grid of second metal-oxide-semiconductor is connected with Lightning chips, the source electrode of the second metal-oxide-semiconductor with
Lightning interfaces connect.One end of 3rd resistor is connected with Lightning interfaces, and the other end of 3rd resistor passes through second
Capacity earth.The power input of Lightning chips is connected with the output terminal of detection module 320, Lightning chips also with
Lightning interfaces connect.4th resistance one end connection Lightning chips power input, the 4th resistance it is another
End passes through the 6th resistance eutral grounding.5th resistance one end connection Lightning chips power input, the 5th resistance it is another
End passes through the 7th resistance eutral grounding.In above-mentioned Lightning interface modules 330, the output terminal of detection module 320 is specially
The source electrode of above-mentioned first metal-oxide-semiconductor.
In above-mentioned Lightning interface modules 330, if detection module 320 connects Lightning interface modules 330
Connection circuit between electric power management circuit 100, then Lightning chips it is mobile eventually to recognize the access of Lightning interfaces
Behind end, communicate with mobile terminal, if communicated successfully, the PIN4 of Lightning chips exports a low level, at this time
Second metal-oxide-semiconductor turns on, and charges so as to the mobile terminal external to Lightning interfaces.
In one of the embodiments, Fig. 7 is refer to, above-mentioned charging unit further includes Bluetooth control circuit 400.Bluetooth control
Circuit 400 processed is connected with electric power management circuit 100.Bluetooth control circuit 400 supports Bluetooth protocol and wechat agreement, for shifting
Dynamic terminal communicates.
Further, electric power management circuit 100 also sends the information about power of power supply 200 to Bluetooth control circuit 400.Its
In, information about power is, for example, the percentage that 200 current electric quantity of power supply accounts for total electricity, is divided into 20 grades, i.e., is one every 5%
A grade.
Specifically, Bluetooth control circuit 400 can be believed according to the startup charging signals from mobile terminal or according to electricity
When breath judgement can charge, startup power supply management circuit 100 charges mobile terminal by the interface circuit 300 that discharges.Change
Yan Zhi, the premise that 400 startup power supply of Bluetooth control circuit management circuit 100 charges are that user judges to charge or Bluetooth control
Circuit 400 voluntarily judges to charge.Wherein, it is mobile terminal to receive user true according to information about power to start charging signals
The signal produced after the operation information inputted when charging surely to mobile terminal.In other words, when mobile terminal receives
After carrying out the information about power on power supply 200 of self charger, which is shown that user sentences according to information about power
Whether 200 remaining electricity of power-off source meets the charge requirement of mobile terminal, if it is, user can be to the friendship of mobile terminal
The corresponding operation information of mutual interface input (such as：Press corresponding button；Alternatively, user's delivery charges, and the amount of money of expense with
The time of charging is proportional), mobile terminal produces corresponding startup charging signals after receiving the operation information, and startup is filled
Electric signal is sent to Bluetooth control circuit 400 by bluetooth.After Bluetooth control circuit 400, which receives, starts charging signals, accuse
Know electric power management circuit 100, electric power management circuit 100 carries out boost operations, with by the interface circuit 300 that discharges to mobile terminal
Charge.
In one of the embodiments, Bluetooth control circuit 400 includes control unit and bluetooth module.Control unit is distinguished
It is connected with bluetooth module, electric power management circuit.Bluetooth module is used to communicate with mobile terminal by bluetooth.Specifically, it is blue
Tooth module is, for example, CC2541 modules.
Control unit is used to by bluetooth module send the information about power from electric power management circuit 100 to mobile whole
End, and send control signal to electric power management circuit 100.Specifically, control unit charges according to the startup from mobile terminal
Signal or according to information about power judge can charge when, startup power supply manage circuit 100 by the interface circuit 300 that discharges to movement
Terminal charges.Specifically, control unit can be microcontroller.The one of which circuit diagram of control unit is as shown in Figure 8.Its
In, chip U4 is microcontroller, and bluetooth module is connected on (not shown) on interface J4.
Further, above-mentioned charging unit is equipped with Quick Response Code.Quick Response Code is used to after supplying mobile scanning terminal enter and charging
The corresponding wechat public platform of device, so that user is interacted by wechat and charging unit.
Above-mentioned concrete structure based on charging unit, the one of which operation principle of charging unit are：When mobile terminal is swept
After retouching Quick Response Code, then into wechat public platform, at this moment user then can carry out operation for paying the fee in wechat platform, when confirm payment into
After work(, mobile terminal can actively be established with the bluetooth module in charging unit and connected, and bluetooth module informs that control unit connects into
After work(, control unit sends information about power to mobile terminal by bluetooth module.User is evaluated whether to by battery capacity
Charge to mobile terminal, if it is determined that remaining electricity can not charge the phone, can apply move back expense (after the completion of move back expense,
Mobile terminal can send the information of user's move back expense to bluetooth module), if it is determined that electricity charges for mobile phone enough, is put into and fills
(mobile terminal can agree to the information to charge or bluetooth module in set period of time to electricity condition to bluetooth module transmission user
It is not received by after the move back expense information from mobile terminal then default user to agree to charge)；Alternatively, bluetooth module can be certainly
Row judges whether to charge to mobile terminal according to information about power, if it is then starting charging, otherwise, bluetooth mould
Block can be prompted the user with by mobile terminal to charge.If will be single to control into such as charged state, bluetooth module
High level of PIN5 (i.e. the 5th pin) of chip U4 in member, after the PIN5 of chip U4 detects high level, chip U4's
PIN12 exports PIN36 of the low level to the chip U1 in electric power management circuit 100, and afterwards, it is defeated that chip U1 opens boosting
Go out, so that electric discharge interface circuit 300 can charge mobile terminal.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. charging unit, it is characterised in that including：Electric power management circuit, power supply and electric discharge interface circuit；The power supply pipe Reason circuit is connected with the power supply, the electric discharge interface circuit respectively；The electric power management circuit is used to handle the output voltage of the power supply, to pass through the electric discharge interface circuit pair Mobile terminal charges；The electric discharge interface circuit is used to access the mobile terminal, and including Lightning interfaces and more A USB interface for supporting fast charge technology；The electric discharge interface circuit is used to detect that the USB interface utilizes fast charge technology pair When mobile terminal is charged, the Lightning interfaces are controlled to stop charging to mobile terminal.
- 2. charging unit according to claim 1, it is characterised in that the electric discharge interface circuit includes fast charge module, inspection Survey module and Lightning interface modules；The fast charge module supports the fast charge technology, and is connected with the power output end of the electric power management circuit, and described Fast charge module is used to charge to the mobile terminal of respective type by the USB interface；The detection module respectively with institute Power output end, the Lightning interface modules connection of electric power management circuit are stated, and the detection module is used to detect To the electric power management circuit power output end export voltage be more than given threshold when, cut off the electric power management circuit and Circuit between the Lightning interface modules；The Lightning interface modules are used to connect by the Lightning Mouth charges the mobile terminal of respective type.
- 3. charging unit according to claim 2, it is characterised in that the fast charge module include micro USB interfaces and USB Type-C interfaces；The micro USB interfaces, the USB Type-C interfaces are connected in parallel the electric power management circuit Power output end.
- 4. charging unit according to claim 2, it is characterised in that the detection module includes voltage comparison unit and opens Close unit；The input terminal of the voltage comparison unit is connected with the power output end of the electric power management circuit, the voltage ratio Output terminal compared with unit is connected with the switch element；The power supply that the switch element is also attached to the electric power management circuit is defeated Between outlet and the Lightning interface modules；Whether the voltage for the power output end output that the voltage comparison unit is used to detect the electric power management circuit is more than institute Given threshold is stated, if so, controlling the switch element to switch to off-state；Otherwise control the switch element switching-on State.
- 5. charging unit according to claim 4, it is characterised in that the voltage comparison unit include voltage detector, First resistor, the first capacitance, second resistance and diode；The input terminal of the voltage detector and the anode of the diode connect Connect, the output terminal of the voltage detector is connected with the switch element；The cathode of the diode and power management electricity The power output end connection on road；One end ground connection of first capacitance, the other end and the first resistor of first capacitance One end connection；The common port of first capacitance and the first resistor one end with the second resistance, described two respectively Pole pipe is connected with the common port of the voltage detector；The other end ground connection of the second resistance.
- 6. charging unit according to claim 4, it is characterised in that the switch element includes the first metal-oxide-semiconductor；Described The grid of one metal-oxide-semiconductor is connected with the output terminal of the voltage comparison unit, drain electrode and the power management of first metal-oxide-semiconductor The power output end connection of circuit, the source electrode of first metal-oxide-semiconductor are connected with the Lightning interface modules.
- 7. the charging unit according to any claim in claim 2 to 6, it is characterised in that the Lightning connects Mouth mold block includes Lightning chips, the second metal-oxide-semiconductor, the second capacitance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity Resistance, the 7th resistance and Lightning interfaces；The drain electrode of second metal-oxide-semiconductor is connected with the output terminal of the detection module, described The grid of second metal-oxide-semiconductor is connected with the Lightning chips, the source electrode of second metal-oxide-semiconductor and the Lightning interfaces Connection；One end of the 3rd resistor is connected with the Lightning interfaces, and the other end of the 3rd resistor passes through described Two capacity earths；The power input of the Lightning chips is connected with the output terminal of the detection module, described Lightning chips are also connected with the Lightning interfaces；One end of 4th resistance connects the Lightning cores The power input of piece, the other end of the 4th resistance pass through the 6th resistance eutral grounding；One end of 5th resistance connects The power input of the Lightning chips is connect, the other end of the 5th resistance passes through the 7th resistance eutral grounding.
- 8. the charging unit according to any claim in claim 1 to 6, it is characterised in that the fast charge technology is QC3.0 fast charge technologies.
- 9. the charging unit according to any claim in claim 2 to 6, it is characterised in that the given threshold is 5V。
- 10. the charging unit according to any claim in claim 1 to 6, it is characterised in that the charging unit is also Bag Bluetooth control circuit connects；The Bluetooth control circuit is connected with the electric power management circuit；The Bluetooth control circuit branch Bluetooth protocol and wechat agreement are held, for communicating with the mobile terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721081904.7U CN207304057U (en) | 2017-08-25 | 2017-08-25 | Charging unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721081904.7U CN207304057U (en) | 2017-08-25 | 2017-08-25 | Charging unit |
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| CN207304057U true CN207304057U (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066828A (en) * | 2018-07-06 | 2018-12-21 | 珠海智融科技有限公司 | A kind of USB pin high tension protection circuit for quick charge |
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2017
- 2017-08-25 CN CN201721081904.7U patent/CN207304057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066828A (en) * | 2018-07-06 | 2018-12-21 | 珠海智融科技有限公司 | A kind of USB pin high tension protection circuit for quick charge |
| CN109066828B (en) * | 2018-07-06 | 2023-10-27 | 珠海智融科技股份有限公司 | USB pin high-voltage protection circuit for quick charge |
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