CN206602386U - A kind of power supply unit, electric power system - Google Patents
A kind of power supply unit, electric power system Download PDFInfo
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- CN206602386U CN206602386U CN201720294817.3U CN201720294817U CN206602386U CN 206602386 U CN206602386 U CN 206602386U CN 201720294817 U CN201720294817 U CN 201720294817U CN 206602386 U CN206602386 U CN 206602386U
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Abstract
The utility model discloses a kind of power supply unit, USB interface including power input, controllable DC DC transforming circuits and with OTG functions, USB interface includes being used to receive the control end of the control signal of controllable DC DC transforming circuits and the voltage output end for exporting charging voltage；A kind of electric power system, including intelligent communications terminal, electrical equipment, described power supply unit are also disclosed, and the power input of power supply unit is connected with power supply, and intelligent communications terminal, electrical equipment are connected with the USB interface of power supply unit respectively.A kind of power supply unit in the utility model, realizes that control data is transmitted by the USB interface with OTG functions, and then controls controllable DC DC transforming circuits to change the charging voltage of output, realizes that charging voltage is controllable, compatibility of the enhancing power supply unit to electrical equipment；A kind of electric power system sends the control data of controllable DC DC transforming circuits by intelligent communications terminal, realizes that power supply unit compatibility is powered to a variety of electrical equipments.
Description
Technical field
The utility model is related to power supply field, especially a kind of power supply unit, electric power system.
Background technology
Nowadays, electrical equipment is numerous, and electrical equipment needs supporting power supply unit to realize charging, and electrical equipment is logical with intelligence
Exemplified by letter product, in intelligence communication product such as mobile phone update, 1 year modern society changed, due to mobile phone and charger one
As be that one-to-one corresponding, matching are used, when changing mobile phone, the power supply unit of mobile phone be charger also with one piece of replacing of mobile phone, change
The charger got off is just into rubbish, it is impossible to reuse, and causes the huge wasting of resources.And when using other mobile phone,
Because charger is mismatched, cause not filling electricity, or charge very slow or be not fully filled electricity, the value that charger is recycled
Just become very little.Some have made compatible charger for market, but it is solidificated in inside charger, although can fill with
Electricity, but be due to that compatible method is worked it out.Can not coordinate mobile phone accomplish quickly, optimization charging.Also, it can only pin
Existing mobile phone is carried out compatible, it is impossible to making any modification, it is impossible to make any renewal and optimization to it, also had due to charger
The change of the parameters such as voltage itself, temperature, service life, causes to recognize that IC differentiates that the probability of error increases, even with one section
Occurs the result that can not be used after time.Other power supply units, such as portable power source and power supply adaptor, there is also above-mentioned
Problem, therefore it provides a solution is very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model, which is to provide one kind, can receive external control signal realization
Charging voltage is controllable, compatible strong power supply unit, correspondingly, also provides a kind of electric power system.
The technical scheme that the utility model is used is：A kind of power supply unit, including power input, controllable DC-DC become
Volt circuit and the USB interface with OTG functions, the USB interface include the control letter for being used to receive controllable DC-DC transforming circuits
Number control end and voltage output end for exporting charging voltage, the power input and controllable DC-DC transforming circuits
Input is connected, and the control end is connected with controllable DC-DC transforming circuits, and the output end of the controllable DC-DC transforming circuits connects
It is connected to voltage output end.
Further, the controllable DC-DC transforming circuits include MCU, the first inductance, the first electric capacity, the first diode and
First switch pipe；The power input is connected with the positive output end of first switch pipe, the control end of the first switch pipe with
MCU output end connection；The negative output terminal of first switch pipe one end respectively with the first inductance, the positive pole of the first diode
Connection, the negative pole ground connection of first diode, the other end of first inductance is connected with one end of the first electric capacity, and described the
The other end ground connection of one electric capacity；Negative output terminal, positive output end and USB that the other end of first inductance passes through second switch pipe
The voltage output end connection of interface, the control end of the second switch pipe and MCU output end are connected, the control of the USB interface
End processed is connected with MCU.
Further, the controllable DC-DC transforming circuits also include the 3rd switching tube, the first voltage-regulator diode and the first electricity
Resistance, the negative output terminal of the second switch pipe and MCU input are connected, and the control end of the 3rd switching tube and MCU's is defeated
Go out end connection, the negative output terminal ground connection of the 3rd switching tube, the positive output end of the 3rd switching tube and the pole of the first voltage stabilizing two
The negative pole connection of pipe, the positive pole of first voltage-regulator diode is connected with the negative output terminal of second switch pipe, the first resistor
One end input, USB interface respectively with MCU be connected, the other end ground connection of the first resistor, the one of first electric capacity
End is connected with MCU input.
Further, the controllable DC-DC transforming circuits also include thermo-sensitive resistor, one end of the thermo-sensitive resistor and MCU
Input connection, the thermo-sensitive resistor the other end ground connection.
Further, the first switch pipe is PMOS, and the second switch pipe and the 3rd switching tube are NMOS tube, institute
Control end of the grid of PMOS and NMOS tube for switching tube is stated, the source electrode of the PMOS and NMOS tube is the negative defeated of switching tube
Go out end, the drain electrode of the PMOS and NMOS tube is the positive output end of switching tube.
Further, the power supply unit is the straight charger of mobile terminal, power supply adaptor or portable power source.
Another technical scheme that the utility model is used is：A kind of electric power system, including intelligent communications terminal, electricity consumption are set
Standby, described power supply unit, the power input of the power supply unit is connected with power supply, and the intelligent communications terminal, electricity consumption are set
Back-up is not connected with the USB interface of power supply unit.
Further, the intelligent communications terminal includes mobile phone, notebook computer, iPAD or PDA.
Further, the electrical equipment includes intelligent communications terminal.
Further, the electric power system also includes Cloud Server, powers and sets during for storing the different electrical equipments of correspondence
Standby upgrading data, the intelligent communications terminal is connected by network with Cloud Server.
The beneficial effects of the utility model are：A kind of power supply unit in the utility model, passes through the USB with OTG functions
Interface realizes that control data is transmitted, and then controls controllable DC-DC transforming circuits to change the charging voltage of output, realizes charging voltage
Controllable, enhancing power supply unit is to the compatibility of electrical equipment there is provided the practicality of power supply unit, and it is reasonable that power supply unit can be repeated
Use, reduce environmental pollution；A kind of electric power system in the utility model, sends controllable DC-DC by intelligent communications terminal and becomes
The control data of volt circuit, realizes that power supply unit compatibility is powered to a variety of electrical equipments.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structured flowchart of power supply unit in the utility model；
Fig. 2 is an a kind of specific embodiment circuit diagram of power supply unit in the utility model；
Fig. 3 is a kind of structured flowchart of electric power system in the utility model；
Fig. 4 is a kind of method flow diagram of method of supplying power in the utility model；
Fig. 5 is an a kind of specific embodiment schematic diagram of electric power system in the utility model；
Fig. 6 is an a kind of specific embodiment flow chart of method of supplying power in the utility model.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
A kind of power supply unit, with reference to Fig. 1, Fig. 1 is a kind of structured flowchart of power supply unit in the utility model, including power supply
Input, controllable DC-DC transforming circuits and the USB interface with OTG functions, USB interface include being used to receive controllable DC-DC changes
The control end of the control signal of volt circuit and the voltage output end for exporting charging voltage, power input and controllable DC-DC
The input connection of transforming circuit, control end is connected with controllable DC-DC transforming circuits, the output end of controllable DC-DC transforming circuits
It is connected to voltage output end.
A kind of power supply unit in the utility model, realizes that control data is transmitted by the USB interface with OTG functions, enters
And control controllable DC-DC transforming circuits to change the charging voltage of output, realize that charging voltage is controllable, enhancing power supply unit is to electricity consumption
The compatibility of equipment is there is provided the practicality of power supply unit, and power supply unit can repeat reasonably to use, and reduce environmental pollution.
As the further improvement of technical scheme, with reference to Fig. 2, Fig. 2 is an a kind of specific reality of power supply unit in the present invention
A circuit diagram is applied, controllable DC-DC transforming circuits include MCU, the first inductance L1, the first electric capacity C1, the first diode D1 and first
Switching tube；In the present embodiment, the IC1 in MCU such as Fig. 2 is realized using the single-chip microcomputer of STMF103FSSOP20 models, the first electricity
Hold C1 to realize using electrochemical capacitor, first switch pipe is the Q1 in PMOS, first switch pipe such as Fig. 2, the grid of PMOS
For the control end of switching tube, the source electrode of PMOS is the negative output terminal of switching tube, and the drain electrode of PMOS is the positive output of switching tube
End.Power input POWER is connected with first switch pipe Q1 positive output end, and first switch pipe Q1 control end and MCU's is defeated
Go out end connection；First switch pipe Q1 negative output terminal one end respectively with the first inductance L1, the first diode D1 positive pole are connected,
First diode D1 negative pole ground connection, the other end of the first inductance is connected with one end of the first electric capacity, the other end of the first electric capacity
Ground connection；The voltage output end of negative output terminal, positive output end and USB interface that the first inductance L1 other end passes through second switch pipe
Connection, the control end of second switch pipe and MCU output end are connected, and the control end of USB interface is connected with MCU, and here, second opens
The Q2 in pipe such as Fig. 2 is closed, Q2 is NMOS tube, and the grid of NMOS tube is the control end of switching tube, and the source electrode of NMOS tube is switching tube
Negative output terminal, the drain electrode of NMOS tube is the positive output end of switching tube, and the voltage output end of USB interface is vdd terminal and GND ends,
Second switch pipe Q2 positive output end and the vdd terminal of USB interface are connected, the GND ends ground connection of USB interface；The control end of USB interface
Including D- ends, D+ ends and ID ends, they are connected with MCU respectively.MCU is responsible for the system operation of whole power supply unit, voltage adjustment
PMOS Q1, inductance L1, electric capacity C1, diode D1 is controlled to constitute a simple Bulk circuit by PWM（It can certainly make
With BOOST, buck-boost circuits, Cuk circuits etc.）, reach the purpose of voltage x current adjustment.Therefore, power supply unit passes through
The control end of USB interface receives control signal and sends control signals to MCU, and MCU controls first switch according to control signal
The ON time of pipe controls the size of charging voltage, realizes compatible different electrical equipments.
As the further improvement of technical scheme, with reference to Fig. 2, Fig. 2 is an a kind of tool of power supply unit in the utility model
Body embodiment circuit diagram, controllable DC-DC transforming circuits also include the 3rd switching tube, the first voltage-regulator diode ZD1 and first resistor
In R1, the present embodiment, the 3rd switching tube is the Q3 in NMOS tube, such as Fig. 2, and the grid of NMOS tube is the control end of switching tube,
The source electrode of NMOS tube is the negative output terminal of switching tube, and the drain electrode of NMOS tube is the positive output end of switching tube；Second switch pipe Q2's
Negative output terminal and MCU input connection, the 3rd switching tube Q3 control end and MCU output end are connected, the 3rd switching tube Q3
Negative output terminal ground connection, the 3rd switching tube Q3 positive output end is connected with the first voltage-regulator diode ZD1 negative pole, the first voltage stabilizing two
Pole pipe ZD1 positive pole is connected with second switch pipe Q2 negative output terminal, first resistor R1 one end input respectively with MCU,
USB interface is connected, in the present embodiment, and first resistor R1 one end and the GND ends of USB interface are connected, and first resistor R1's is another
End ground connection, the first electric capacity C1 one end and MCU input are connected.Therefore, such as in figure, USB interface, the first voltage-regulator diode
ZD1 and MCU C5, C6 pin connection, realizes current measurement feedback；Secondly, by by the D6 of the first electric capacity C1 one end and MCU
Pin is connected, and realizes that voltage measurement is fed back, then power supply unit can measure charging voltage and charging current in real time, realizes feedback control
System, NMOS tube Q3 is mainly the output of protection power supply unit and protects the effect of electrical equipment.
As the further improvement of technical scheme, with reference to Fig. 2, Fig. 2 is an a kind of tool of power supply unit in the utility model
Body embodiment circuit diagram, controllable DC-DC transforming circuits also include thermo-sensitive resistor R2, thermo-sensitive resistor R2 one end and MCU input
End connection, thermo-sensitive resistor R2 other end ground connection.The temperature survey of power supply unit can be realized by thermo-sensitive resistor R2, facilitates MCU
Charge control is carried out according to the temperature that measurement is obtained.
As the further improvement of technical scheme, power supply unit is the straight charger of mobile terminal, power supply adaptor or shifting
Dynamic power supply.
A kind of electric power system, with reference to Fig. 3, Fig. 3 is a kind of structured flowchart of electric power system in the utility model, including intelligence
Communication terminal, electrical equipment, described power supply unit, the power input of power supply unit are connected with power supply, intelligent communications terminal,
Electrical equipment is connected with the USB interface of power supply unit respectively.
A kind of electric power system in the utility model, the control of controllable DC-DC transforming circuits is sent by intelligent communications terminal
Data, realize that power supply unit compatibility is powered to a variety of electrical equipments.Wherein, control data includes the ascending series of power supply unit
According to.The wherein USB interface of power supply unit is in addition to the USB interface with OTG functions, other intelligence for supporting data double-way to transmit
The interface of energy communication terminal, also within protection domain of the present utility model.
As the further improvement of technical scheme, intelligent communications terminal includes mobile phone, notebook computer, iPAD or PDA etc.
The intelligent artifact of connected network communication can be carried out.
As the further improvement of technical scheme, electrical equipment includes intelligent communications terminal.When electrical equipment is logical for intelligence
When believing terminal, intelligent communications terminal sends control data and such as upgraded data, helps after power supply unit realizes that upgrading is compatible, power supply
Equipment can be powered to intelligent communications terminal.When electrical equipment is other non intelligent communication terminals, intelligent communications terminal side
After helping power supply unit realization upgrading compatible, power supply unit is powered to non intelligent communication terminal.
As the further improvement of technical scheme, electric power system also includes Cloud Server, for storing the different electricity consumptions of correspondence
The upgrading data of power supply unit during equipment, intelligent communications terminal is connected by network with Cloud Server.
Usually, the upgrading data of power supply unit can be networked by intelligent communications terminal and be obtained, and can be that artificial search is obtained
, it can also be acquired by intelligent communications terminal and the connection of the Cloud Server on backstage, Cloud Server is stored with corresponding different
During electrical equipment, the upgrading data of power supply unit, it is ensured that the normal upgrading of power supply unit.
A kind of method of supplying power to, applied to described electric power system, with reference to Fig. 4, Fig. 4 is a kind of supplier of electricity in the utility model
The method flow diagram of method, comprises the following steps：
S1, intelligent communications terminal obtain the facility information of electrical equipment and the version information of power supply unit；
S2, intelligent communications terminal are contrasted the version information of the facility information of electrical equipment and power supply unit, to sentence
Whether cut-off electric equipment is supported to carry out quick charge to electrical equipment, if supporting, power supply unit carries out quick to electrical equipment
Charging, otherwise, into step S3；
S3, intelligent communications terminal networking obtain the upgrading data of power supply unit and send it to power supply unit, to realize
Power supply unit is upgraded, and then power supply unit carries out quick charge to electrical equipment.
A kind of method of supplying power to, when power supply unit and electrical equipment are mismatched, i.e., power supply unit can not enter to electrical equipment
Row quick charge, usually, power supply unit are stored with the information of supported electrical equipment, include the model, right of electrical equipment
Charge parameter, Protection parameters for answering etc., when electrical equipment does not need to be powered equipment inside supported electrical equipment, then
Upgrading, otherwise, power supply unit can upgrade to electrical equipment.The utility model obtains power supply unit by intelligent communications terminal
Ascending series factually now upgrade, compatibility there is provided power supply unit, the method for realization are powered to it to match electrical equipment
It is simple and effective.
As the further improvement of technical scheme, upgrading data packet includes correspondence electrical equipment and fills agreement, charge parameter soon
And Protection parameters.Power supply unit is completed after upgrading according to upgrading data, is counted according to agreement, charge parameter and Protection parameters etc. are filled soon
According to electrical equipment progress quick charge.By taking mobile phone as an example, agreement is filled soon QC agreements, PE agreements and OPPO agreements.
As the further improvement of technical scheme, power supply unit carries out quick charge to electrical equipment to be included：
Power supply unit judges whether electrical equipment supports quick charge, if support, power supply unit according to fill soon agreement to
Electric equipment carries out quick charge；Otherwise, power supply unit is commonly charged according to charge parameter to electrical equipment, and power supply is set
Standby MCU obtains charging current, charging voltage and adjusted with carrying out charging current, charging voltage in real time, realizes that charging accelerates.Commonly
During charging, power supply unit increases power output by properly increasing charging voltage, improves charging rate.
Electrical equipment for not supporting quick charge, for example, do not support to fill the mobile phone of agreement soon, and power supply unit is charging
The MCU of device obtains charging current, charging voltage in real time, calculates charge power, steps up charging voltage, increases power output,
Charging rate is improved, line is made up, the method for the loss that interfacial contact resistance is brought keeps the PMU of mobile phone to charge most battery
Good state, can so improve more than 5% charging rate.
Due to our usually used mains chargers, its power output is constant, and in order to cost-effective basic
Only consider to be charged in off-mode.When open state charges due to its power output not enough, in order to ensure mobile phone
Operation, only reduces the electric current charged to battery, inevitably increases the charging interval.So, want it is most fast charged,
Only closing hand phone charges, and is made troubles using mobile phone normal, therefore, in the utility model, during long-term use,
The charging voltage of dynamic adjustment output, it is ensured that in charging process, either make a phone call, still see a film, can be carried to mobile phone
For enough electricity, it is ensured that the electric current being output on battery is constant, maximum, can so improve 20-50% speed.I
By way of real-time tracking adjusts power output, it is ensured that no matter mobile phone is under which kind of state, has enough electric energy to provide,
Ensure constant to the charging current of battery；The charging interval is reduced, extends the life-span of battery.
In practice, intelligent communications terminal needs to install corresponding control APP realizations and electrical equipment and the number of power supply unit
According to interaction, and power supply unit is also required to write corresponding software and is operated control, and the software module of power supply unit mainly includes：
Usb interface module, charge management module, charge parameter, updating and management module and output protection management module, wherein, USB interface
Module is responsible for the switching of master slave mode, during slave pattern, and the communication between processing and intelligent communications terminal, holotype is responsible for and electricity consumption
The charge mode matching of equipment, such as rush the communication of agreement, the matching of QCR agreements etc. soon；Charge management module is mainly responsible for
The signal of communication sent when rushing soon according to intelligent communications terminal during charging, voltage, the electric current specified are exported according to order request；
When such as QC agreements charge, when no communication is not set up, 5V voltage is exported；After the success of QC protocol communications, output electricity
Pressure rises to 9V, or 12V；During normal charging mode, output specify voltage while, improve output voltage, less than
In the range of safe voltage, the power of maximum is exported to electrical equipment, accelerates charging rate, reduces the charging interval；Charge parameter,
Updating and management module is responsible for Protection parameters, charge parameter and software version information, the updating and management of electrical equipment；Most
Afterwards, output protection management module is responsible for charge protection of the electrical equipment in charging.
Exemplified by using mobile phone as electrical equipment and intelligent communications terminal, illustrate the charge protection machine of the i.e. charger of power supply unit
System：Communication interaction confirms mobile phone, the respective voltage of charger, operating current, protective current, the working range and ginseng of abnormal current
Number, it is ensured that the safe range of each equipment work, it is to avoid the damage of voltage, electric current beyond equipment caused by safe range occur.
Such as mobile phone is charged when using 5v, the maximum charging current of the mobile phone for the model that we test is 1.5A, works as mobile phone
When internal wiring is problematic, when causing the charging current to rise to 2A, our common common chargers due to there was only short-circuit protection,
Without these trickle changes are detected, power supply is may proceed to, causes mobile phone to damage.And the charger in the utility model can be according to this
A little Protection parameters, it is intelligent that mobile phone is protected.When monitor electric current beyond designated value when, can initiate with mobile communication please
Ask.Linked up by the control APP with mobile phone, confirm the use electricity of mobile phone, charge capacity, the output electricity of charger,
The parameters such as temperature judge whether mobile phone has internal short-circuit, are inferred to whether have possibility on fire from explosion, and then close output, open
Mobile phone alarm, alarm user.
Specifically, power supply unit has following eight grades of protections（Electrical equipment by taking mobile phone as an example, power supply unit using charger as
Example）：
1st grade of protection：The fully interaction of mobile phone and charger protocol parameter is linked up, it is ensured that the electric current of charger output, voltage
Meet the requirements.
2nd grade of protection：Short-circuit protection.During outside abnormal appearance short circuit, charger can be within the extremely short time（Than commonly filling
Fast 3 times of electrical equipment reaction）This problem is detected, output is quickly closed, mobile phone is protected.
3rd level is protected：Interior of mobile phone charging circuit abnormal protection, occurs electric current when interior of mobile phone charging circuit is abnormal
Change, protect mobile phone by monitoring the change of this electric current, it is to avoid further damage mobile phone.
4th grade of protection：Interior of mobile phone battery problems abnormal protection.When the slight damage of battery appearance, or when abnormal,
Can all occur in charging process with the different current curve of normal battery, pass through charger and the further parameter ratio of mobile phone
It is right（Use electricity, charge capacity, output electricity, the temperature of charger etc.）, confirm whether mobile phone has possibility on fire from explosion, and
When remind user, it is to avoid there is personal safety accident.
5th grade of protection：Circuit, contact mouth protection.Mobile phone in use, because charging wire fractures, lead by joint looseness
Loose contact is caused, it is also a kind of to mobile phone in fact that this, which frequently charges, is a kind of damage to battery of mobile phone, we can pass through electricity
Stream, the change of voltage detect this problem, when electric current and voltage generation fluctuation and mutation, and user's replacing charging is reminded in time
Line or maintenance mobile phone, it is to avoid problem expands.
6th grade of protection：Temperature protection.During our common mobile phone chargings, when the temperature of mobile phone is too high, charger can't
Output is closed, is still powered to mobile phone, thus there is potential safety hazard, it is possible to which continuing power supply can cause mobile phone to occur generating heat
Fire.We monitor the temperature of mobile phone terminal by thermo-sensitive resistor, when temperature is more than predetermined value, voltage output are cut off, to protect hand
Machine.
7th grade of protection：Full of electric protection.After mobile phone is full of, charger can close output, it is to avoid be filled for a long time to mobile phone
The hidden danger that electricity is brought.
8th grade of protection:Non- mobile phone kind equipment current limliting, short-circuit charge protection.Present equipment in need can pass through USB pairs
It charges, but is due to that common mobile phone charging short circuit current flow point all sets higher, really starting protection cannot act on.This
When charger is recognized as non-cell phone apparatus, adjust automatically short circuit current flow parameter, the charging safety of protection equipment.
Below by mobile phone of intelligent communications terminal, power supply unit be charger, electrical equipment be intelligent communications terminal i.e. hand
Exemplified by machine, illustrate method of supplying power to of the present utility model：
With reference to Fig. 5, Fig. 5 is an a kind of specific embodiment schematic diagram of electric power system in the utility model, charger for mobile phone
Mobile phone is connected to by the charging wire for there are OTG interfaces, and mobile phone carries out communication interaction and charging.Mobile phone charging be by USB and
Charger connection, either there are OTG functions on the micro standards of USB 2.0 or the Type c of USB 3.1 interface.
With reference to Fig. 6, Fig. 6 is an a kind of specific embodiment flow chart of method of supplying power in the utility model, and mobile phone is connected to
After charger, charger judges whether mobile phone inserts, if insertion, opens D+ ends, the io mouths at D- ends of the USB interface of charger
Open, the ID pin of OTG lines are set low, start OTG, allow mobile phone to be in host states, at this moment mobile phone starts to read setting for charger
Standby information, includes the version information of charger, and the information of mobile phone that charger is supported, information includes mobile phone model, right
That answers fills agreement, charge parameter and Protection parameters soon.The APP pre-installed on mobile phone is receiving the device id of charger, version information
Afterwards, charger is shaken hands version information interaction, is compared with mobile phone A PP version, if it find that the software version of current charger
This needs upgrades to support during fast charge mode, i.e., the electrical equipment in mobile phone model and charger that APP is read in mobile phone
When list is mismatched, then upgrade request is write to charger, while mobile phone terminal points out upgrading, mobile phone after mobile phone electricity is confirmed
APP will connect network, whether download has feasible adaptation parameter, if then downloading corresponding program i.e. pin by network
This, herein, if can not download to corresponding program on network, mobile phone A PP can be connected with the server on backstage, be searched whether
Corresponding program.Charger receives the script of mobile phone-downloaded, and, data whether correct with mobile phone inspection data by USB interface
The intact correct code then updated on charger, completes adaptation, restarts charger, then start the charging modes opponent optimized
Machine charges.It should be noted that except the script that downloads, corresponding charge parameter and Protection parameters can also be obtained in the lump
Take.
If need not upgrade, charger release ID pin allow mobile phone to exit into charge mode, close OTG, be switched to
Agreement is filled in optimal charge mode, support soon, carries out quick charge using the agreement of filling soon of charger memory storage, otherwise basis is deposited
The charge parameter of storage is charged, and obtains charging voltage in real time, is properly increased charging voltage and is realized that charging accelerates.If charging
Complete, then the communication between complete charge device and mobile phone.
Filling agreement soon has many kinds, and updates quickly, and incompatible each other.The charger of namely A family fills not
The mobile phone of B family is common occurrence.But hardware interface is substantially that 4 lines（V+ V- D+ D-）, we are according to mobile phone
Model, downloads corresponding Telescript, has come that correspondence is existing in this way, newly go out it is various fill agreement soon, reach that resource can
Repetition is reasonably used, and reduces environmental pollution.Charger is interacted according to Telescript and mobile communication, and control charger output refers to
Fixed voltage, electric current is charged the phone, and completes the quick charge to mobile phone.Such as QC rushes agreement in the request for having 9V to export soon
When, the 5V for changing charger is output to 9V, realizes quick charge.
Linked up by charger and mobile phone by USB interface, mobile phone is again and network communication, correct by Network Capture
Configuration parameter after, then the charge parameter of adaptation is handed down to by the USB charge ports of mobile phone by charger.Most suitable charging
Scheme is given to charger, and then charger charges by the charging modes optimized to mobile phone or flat board.Such as QC3.0, PE, PD
Charging etc., following QCx.0 etc. for another example.And according to the characteristic of the battery of mobile phone, the characteristic optimizing of charger is optimal
Charging effect and protection.Multiple mobile phone is realized, a charger can just settle charging, once put into, use for many years, saved
Emission reduction.Not brand, the mobile phone of different model, its charging modes are varied, pass through charger of the present utility model and mobile phone is handed over
Mutual mode, is upgraded by charger, it is ensured that any mobile phone be able to can be charged with a charger.Avoid purchase multiple
The possibility of charger, has saved the consumption of resource.Accomplish that energy-saving is arranged.And its cells electricity is monitored by mobile phone A PP, filled
Electrical equipment exports electricity, and the PMU of mobile phone control can analyze an output voltage optimized for the mobile phone, then pass through this
Voltage charges to mobile phone, man-to-man optimization charging effect, reaches the reduction charging interval, extends battery life.
Similarly, the power supply process of the intelligent communications terminal such as notebook computer, IPAD is identical with mobile phone, repeats no more；And
There is no the electrical equipment of communication capacity for other, we, as intermediary, obtain corresponding ascending series by intelligent communications terminal
After, power supply unit is that can be achieved to be powered electrical equipment.
A kind of method of supplying power to of the utility model, when power supply unit and electrical equipment are mismatched, passes through intelligent communications terminal
The ascending series for obtaining power supply unit are factually now upgraded, and it is powered with matching electrical equipment, improve the compatibility of power supply unit
Property, the method for realization is simple and effective.
Above is preferable implementation of the present utility model is illustrated, but the invention is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to the utility model spirit
Or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. a kind of power supply unit, it is characterised in that including power input, controllable DC-DC transforming circuits and with OTG functions
USB interface, the USB interface includes being used to receive the control end of the control signal of controllable DC-DC transforming circuits and for exporting
The voltage output end of charging voltage, the power input is connected with the input of controllable DC-DC transforming circuits, the control end
It is connected with controllable DC-DC transforming circuits, the output end of the controllable DC-DC transforming circuits is connected to voltage output end.
2. power supply unit according to claim 1, it is characterised in that the controllable DC-DC transforming circuits include MCU, the
One inductance, the first electric capacity, the first diode and first switch pipe；The positive output end of the power input and first switch pipe connects
Connect, the control end of the first switch pipe and MCU output end are connected；The negative output terminal of the first switch pipe is respectively with first
One end of inductance, the positive pole connection of the first diode, the negative pole ground connection of first diode, the other end of first inductance
It is connected with one end of the first electric capacity, the other end ground connection of first electric capacity；The other end of first inductance is opened by second
The voltage output end for closing the negative output terminal, positive output end and USB interface of pipe is connected, the control end and MCU of the second switch pipe
Output end connection, the control end of the USB interface is connected with MCU.
3. power supply unit according to claim 2, it is characterised in that the controllable DC-DC transforming circuits also include the 3rd
Switching tube, the first voltage-regulator diode and first resistor, the negative output terminal of the second switch pipe and MCU input are connected, institute
State the control end of the 3rd switching tube and MCU output end is connected, the negative output terminal ground connection of the 3rd switching tube, the described 3rd opens
The positive output end for closing pipe is connected with the negative pole of the first voltage-regulator diode, positive pole and the second switch pipe of first voltage-regulator diode
Negative output terminal connection, input, the USB interface of one end of the first resistor respectively with MCU be connected, the first resistor
The other end is grounded, and one end of first electric capacity and MCU input are connected.
4. power supply unit according to claim 2, it is characterised in that the controllable DC-DC transforming circuits also include temperature sensitive
Resistance, one end of the thermo-sensitive resistor and MCU input are connected, the other end ground connection of the thermo-sensitive resistor.
5. power supply unit according to claim 3, it is characterised in that the first switch pipe is PMOS, described second
Switching tube and the 3rd switching tube are NMOS tube, and the grid of the PMOS and NMOS tube is the control end of switching tube, the PMOS
Pipe and the negative output terminal that the source electrode of NMOS tube is switching tube, the drain electrode of the PMOS and NMOS tube is the positive output of switching tube
End.
6. the power supply unit according to any one of claim 1 to 5, it is characterised in that the power supply unit is mobile terminal
Straight charger, power supply adaptor or portable power source.
7. a kind of electric power system, it is characterised in that including any one of intelligent communications terminal, electrical equipment, claim 1 to 6 institute
The power supply unit stated, the power input of the power supply unit is connected with power supply, the intelligent communications terminal, electrical equipment difference
It is connected with the USB interface of power supply unit.
8. electric power system according to claim 7, it is characterised in that the intelligent communications terminal includes mobile phone, notebook
Computer, iPAD or PDA.
9. the electric power system according to claim 7 or 8, it is characterised in that the electrical equipment includes intelligent communications terminal.
10. electric power system according to claim 9, it is characterised in that the electric power system also includes Cloud Server, is used for
The upgrading data of power supply unit during storage correspondence different electrical equipments, the intelligent communications terminal is connected by network and Cloud Server
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294817.3U CN206602386U (en) | 2017-03-23 | 2017-03-23 | A kind of power supply unit, electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720294817.3U CN206602386U (en) | 2017-03-23 | 2017-03-23 | A kind of power supply unit, electric power system |
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| Publication Number | Publication Date |
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| CN206602386U true CN206602386U (en) | 2017-10-31 |
Family
ID=60145139
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720294817.3U Active CN206602386U (en) | 2017-03-23 | 2017-03-23 | A kind of power supply unit, electric power system |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849263A (en) * | 2017-03-23 | 2017-06-13 | 深圳市乐迪高科技有限公司 | A kind of power supply unit, electric power system, method of supplying power to |
| CN113836072A (en) * | 2020-06-24 | 2021-12-24 | 聪泰科技开发股份有限公司 | Remote control process |
| CN113937847A (en) * | 2021-09-18 | 2022-01-14 | 深圳拓邦股份有限公司 | Charger with software upgrading function and charger |
-
2017
- 2017-03-23 CN CN201720294817.3U patent/CN206602386U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849263A (en) * | 2017-03-23 | 2017-06-13 | 深圳市乐迪高科技有限公司 | A kind of power supply unit, electric power system, method of supplying power to |
| CN113836072A (en) * | 2020-06-24 | 2021-12-24 | 聪泰科技开发股份有限公司 | Remote control process |
| CN113937847A (en) * | 2021-09-18 | 2022-01-14 | 深圳拓邦股份有限公司 | Charger with software upgrading function and charger |
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