CN110492569A - Mobile power source and its control method, device - Google Patents
Mobile power source and its control method, device Download PDFInfo
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- CN110492569A CN110492569A CN201910792147.1A CN201910792147A CN110492569A CN 110492569 A CN110492569 A CN 110492569A CN 201910792147 A CN201910792147 A CN 201910792147A CN 110492569 A CN110492569 A CN 110492569A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 96
- 238000001514 detection method Methods 0.000 claims abstract description 94
- 230000005611 electricity Effects 0.000 claims description 11
- 238000004146 energy storage Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 208000028659 discharge Diseases 0.000 description 170
- 230000006870 function Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 7
- 230000015654 memory Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000006399 behavior Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mobile Radio Communication Systems (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
This application involves a kind of mobile power source and its control methods, device, when accessing external electronic device, the operating protocol detection operation of access electronic equipment can be carried out by detecting control switching circuit, and corresponding charge and discharge processing circuit is controlled when operating protocol is charge and discharge agreement to work, is embodied as the operation such as charging of external electronic device.And when detection control switching circuit detects that the operating protocol of access electronic equipment is reading and writing data agreement, illustrate that electronic equipment needs to carry out data exchange operation at this time, corresponding data exchange circuit will be controlled at this time and carry out data exchange operation.Mobile power source in through the above scheme includes simultaneously charge and discharge electric treatment and data conversion process two parts, and can be worked under corresponding agreement, it can while compatible high-speed data exchange and high power discharge function, there is stronger functional reliability.
Description
Technical field
This application involves mobile power source technical fields, more particularly to a kind of mobile power source and its control method, device.
Background technique
With the rapid development of science and technology, the use of electronic product in people's daily life is more and more frequent, mobile
Power supply is also more and more extensive as a kind of use of portable device being powered for electronic product in daily life.Make
With only needing for the corresponding interface of electronic product to be connected with the charge and discharge port of mobile power source equipment in the process, it can realize
Mobile power source is the charging operations of electronic product.
However, mobile power source only has charging/discharging function, when electronic product has the demand of data exchange, often using shifting
The storage equipment of dynamic hard disk executes.Traditional mobile power source can not have both high-power charge and discharge and high-speed data exchange function simultaneously
Can, have the shortcomings that functional reliability is low.
Summary of the invention
Based on this, it is necessary to for the low problem of traditional mobile power source functional reliability, provide a kind of mobile power source and
Its control method, device.
A kind of control method of mobile power source, comprising: obtain the external electronic device being connected with the mobile power source
Operating protocol;When the operating protocol is charge and discharge agreement, the charge and discharge agreement is sent to filling for the mobile power source
Discharge treatment circuit, and charge and discharge instruction is sent to the charge and discharge processing circuit, the charge and discharge instruction is described for controlling
Charge and discharge processing circuit is electrically operated according to charge and discharge agreement progress charge and discharge;When the operating protocol is reading and writing data agreement
When, the reading and writing data agreement is sent to the data exchange circuit of the mobile power source, and send out to the data exchange circuit
Read write command is sent, the read write command carries out data friendship according to the reading and writing data agreement for controlling the data exchange circuit
Change operation.
In one embodiment, the operating protocol for the external electronic device that the acquisition is connected with the mobile power source
Step, comprising: when detecting that external electronic device accesses mobile power source, obtain mobile power source for connecting the electronic equipment
Signal wire voltage, the operating protocol of the electronic equipment is obtained according to the voltage.
In one embodiment, the charge and discharge agreement includes QC3.0 agreement, QC4.0 agreement, Apple charging
2.4A agreement, AFC agreement, 1.2 agreement of BC, PD3.0 agreement, FCP agreement and SCP agreement, the reading and writing data agreement include
USB2.0 agreement and USB3.0 agreement.
A kind of control device of mobile power source, comprising: agreement obtains module, is connected for obtaining with the mobile power source
External electronic device operating protocol;Charge and discharge switching module is used for when the operating protocol is charge and discharge agreement, by institute
The charge and discharge processing circuit that charge and discharge agreement is sent to the mobile power source is stated, and sends charge and discharge to the charge and discharge processing circuit
Electricity instruction, the charge and discharge instruction carry out charge and discharge behaviour according to the charge and discharge agreement for controlling the charge and discharge processing circuit
Make;Data exchange switching module, for when the operating protocol is reading and writing data agreement, the reading and writing data agreement to be sent
The extremely data exchange circuit of the mobile power source, and read write command is sent to the data exchange circuit, the read write command is used
Data exchange operation is carried out according to the reading and writing data agreement in controlling the data exchange circuit.
A kind of mobile power source, comprising: detection control switching circuit, charge and discharge processing circuit and data exchange circuit, it is described
It detects control switching circuit and external electronic device, the charge and discharge processing circuit and data exchange electricity is connected by signal wire
Road is separately connected the detection control switching circuit, and the charge and discharge processing circuit connects the electronic equipment by power supply line,
The detection control switching circuit is used to carry out charge and discharge control and right to the charge and discharge processing circuit according to above-mentioned method
The data exchange circuit carries out data exchange control.
In one embodiment, the detection control switching circuit includes that signal detection control unit and signal switching are single
Member, the signal detection control unit connect the electronic equipment by signal wire, and the signal detection control unit connects institute
Signal switch unit is stated, the signal switch unit connects the electronic equipment, the charge and discharge processing circuit by signal wire
The signal switch unit is separately connected with the data exchange circuit.
In one embodiment, the charge and discharge processing circuit includes: charge and discharge protocol processing unit, Power Management Unit
With battery energy storage unit, the electric discharge protocol processing unit connects the signal switch unit and the Power Management Unit, institute
It states battery energy storage unit and connects the Power Management Unit, the Power Management Unit connects the electronics by power supply line and sets
It is standby.
In one embodiment, the data exchange circuit includes reading and writing data protocol processing unit and storage unit, institute
It states storage unit and connects the reading and writing data protocol processing unit, the reading and writing data protocol processing unit connects the signal and cuts
Change unit.
In one embodiment, the storage unit is flash storage, EMMC memory or safe digital card.
In one embodiment, mobile power source further includes Universal Serial Bus Interface, and the detection control switching circuit is logical
It crosses signal wire and connects the Universal Serial Bus Interface, the charge and discharge processing circuit connects the general serial by power supply line
Bus interface, the Universal Serial Bus Interface is for connecting external electronic device.
Above-mentioned mobile power source and its control method, device can pass through detection switching control when accessing external electronic device
Circuit processed carries out the operating protocol detection operation of access electronic equipment, and control is corresponding when operating protocol is charge and discharge agreement
Charge and discharge processing circuit work, be embodied as charging of external electronic device etc. operation.And when detection control switching circuit
When the operating protocol for detecting access electronic equipment is reading and writing data agreement, illustrate that electronic equipment needs to carry out data exchange at this time
Operation will control corresponding data exchange circuit at this time and carry out data exchange operation.Mobile power source in through the above scheme
Include simultaneously charge and discharge electric treatment and data conversion process two parts, and can work under corresponding agreement
With compatible high-speed data exchange and high power discharge function simultaneously, there is stronger functional reliability.
Detailed description of the invention
Fig. 1 is the control method flow diagram of mobile power source in an embodiment;
Fig. 2 is the control method flow diagram of mobile power source in another embodiment;
Fig. 3 is the controling device structure diagram of mobile power source in an embodiment;
Fig. 4 is mobile power source structural schematic diagram in an embodiment;
Fig. 5 is mobile power source structural schematic diagram in another embodiment;
Fig. 6 is mobile power source structural schematic diagram in another embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more saturating
It is thorough comprehensive.
Referring to Fig. 1, a kind of control method of mobile power source, including step S100, step S200 and step S300.
Step S100 obtains the operating protocol for the external electronic device being connected with mobile power source.
Specifically, when the corresponding interface of mobile power source is connected with external electronic device, it can be realized mobile power source
Electric current transmission and data exchanging function with external electronic device.Mobile power source specifically includes detection control switching circuit, fills
Discharge treatment circuit and data exchange circuit are realized wherein detection control switching circuit is directly connected with external electronic device
The operating protocol of external electronic equipments detects operation.When external electronic device accesses detection control switching circuit, examine first
External electronic circuits corresponding operating protocol at this time can be detected by surveying control switching circuit.Then it is carried out according to the operating protocol of acquisition
External electronic device needs which kind of information exchange operation carried out with mobile power source at this time for analysis, in order to detect control switching circuit
It is worked according to different piece in different operating protocol control mobile power sources.
Charge and discharge agreement is sent to the charge and discharge of mobile power source when operating protocol is charge and discharge agreement by step S200
Processing circuit, and charge and discharge instruction is sent to charge and discharge processing circuit.
Specifically, charge and discharge instruction is electrically operated according to the progress charge and discharge of charge and discharge agreement for controlling charge and discharge processing circuit.
When detection control switching circuit is analyzed according to the operating protocol of acquisition, obtained operating protocol type is charge and discharge agreement
When, detection control switching circuit carries out circuit switching operation, controls charge and discharge processing circuit at this time and works, while guaranteeing number
It is in an off state according to switched circuit, the discharge operation of external electronic device is embodied as by mobile power source.When detection switching control
When circuit processed detects that the operating protocol of external electronic device is charge and discharge agreement, detection control switching circuit can will be corresponding
Charge and discharge agreement is sent to charge and discharge processing circuit, in order to which charge and discharge processing circuit is put according to corresponding charge and discharge agreement
It is electrically operated.Meanwhile detecting control switching circuit can instruct control charge and discharge electric treatment electric to the transmission charge and discharge of charge and discharge processing circuit
Road work.It is appreciated that in one embodiment, when not accessing electronic equipment, charge and discharge processing circuit and data exchange electricity
Road is in off state, later after receiving corresponding instruction, just agreement can carry out corresponding work based on the received.
It should be pointed out that in one embodiment, charge and discharge processing circuit connects external electronic device by power supply line,
When detecting operating protocol that control switching circuit obtains and being management of charging and discharging agreement, detection control switching circuit is at charge and discharge
When managing the corresponding instruction of circuit transmission so that charge and discharge processing circuit is worked according to corresponding charge and discharge agreement, at charge and discharge
It manages circuit and charge or discharge operation is directly realized by power supply line.In other embodiments, charge and discharge processing circuit carries out work
When making, it can also be and is realized indirectly and the connection of electronic equipment by detecting control switching circuit, thus charge and discharge processing circuit
Charge or discharge operation is realized by detection control switching circuit and corresponding wiring.
Reading and writing data agreement is sent to the number of mobile power source when operating protocol is reading and writing data agreement by step S300
Read write command is sent according to switched circuit, and to data exchange circuit.
Specifically, read write command carries out data exchange operation for controlling data exchange circuit.It is carried out with aforesaid operations
Charge and discharge is electrically operated similar, is analyzed when detecting control switching circuit according to the operating protocol of acquisition, obtained operating protocol class
When type is reading and writing data agreement, detection control switching circuit carries out circuit switching operation, and control data exchange circuit conducting carries out
Work, while it is in an off state to control management of charging and discharging circuit.Detecting control switching circuit can be by corresponding reading and writing data
Agreement is sent to data exchange circuit, in order to which data exchange circuit is according to the read-write of corresponding reading and writing data agreement progress data
Operation.Meanwhile detection control switching circuit can send read write command control data exchange circuit work to data exchange circuit.
It should be pointed out that the type of read write command is not uniquely, in one embodiment, read write command be can be
When operating protocol is that reading and writing data instructs, what detection control switching circuit was sent to data exchange circuit hands over for controlling data
It changes circuit and the signal to work is connected with detection control switching circuit;Detection control switching circuit is only needed by data at this time
Read-write protocol is sent to data exchange circuit, it can realizes mobile power source and external electronic device by data exchange circuit
Data exchange operation.In other embodiments, read write command can also be when detection control switching circuit detects operating protocol
When for reading and writing data agreement, detection control switching circuit is by (the i.e. data exchange circuit conducting of circuit switching to data exchange circuit
When work) after, detect the instruction that control switching circuit is sent to data exchange circuit.It is appreciated that charge and discharge in aforesaid operations
Electricity instruction is similar with the form that reading and writing data instructs, and details are not described herein.
In one embodiment, electrically operated similar with the progress charge and discharge of above-mentioned charge and discharge processing circuit, data exchange circuit can
Operation is indirectly connected with electronic circuit to realize by detection control switching circuit and corresponding signal wire, works as data exchange
Circuit can be realized and the reading data or write operation of electronic equipment indirectly when working by detecting control switching circuit.Another
In one embodiment, data exchange circuit can also directly be connect with electronic equipment by an individual data line, thus
When being worked according to corresponding reading and writing data agreement, reading data and write operation directly are carried out with electronic equipment.
Referring to Fig. 2, in one embodiment, step S100 includes step S110.
Step S110 obtains mobile power source for connecting electronics when detecting that external electronic device accesses mobile power source
The voltage of the signal wire of equipment obtains the operating protocol of electronic equipment according to voltage.
Specifically, the acquisition modes of operating protocol are not unique, in the present embodiment, are connect by different operating agreement
Fashionable, the corresponding voltage of signal wire, which can change, carries out the acquisition operation of operating protocol, directly obtains external electronic device
Operating protocol type.It is appreciated that in the present embodiment, detection control switching circuit include voltage collection circuit, controller and
Switching circuit, wherein voltage collection circuit is used to carry out the signal wire of mobile power source when detecting external electronic device access
Real-time voltage acquire and the voltage collected is sent to controller analyzes.Controller divides the voltage of acquisition
Corresponding operating protocol type is obtained after analysis, and different fingers is then sent to switching circuit according to different operating protocol types
It enables, controls charge and discharge processing circuit or data exchange circuit with detection control switching circuit and connection is connected.
In one embodiment, charge and discharge agreement includes QC3.0 agreement, QC4.0 agreement, Apple charging 2.4A
Agreement, AFC agreement, 1.2 agreement of BC, PD3.0 agreement, FCP agreement and SCP agreement, reading and writing data agreement include USB2.0 agreement
With USB3.0 agreement.
Specifically, detection control switching circuit can identify a variety of different types of charge and discharge agreements and reading and writing data association
View, while charge and discharge processing circuit also can carry out corresponding work according to a variety of different types of charge and discharge agreements, data are handed over
Changing circuit also can carry out data read read-write operation according to a variety of different types of reading and writing data agreements.It should be pointed out that filling
Electric discharge agreement is not limited in various charge and discharge agreements cited in the present embodiment, can be assisted with other types of charge and discharge
View, as long as detecting the charge and discharge agreement that control switching circuit can obtain when electronic equipment access.Likewise, data
It reads agreement and is also not limited to USB2.0 agreement and USB3.0 agreement cited in the present embodiment, as long as close memory
Reading and writing data agreement in (such as flash storage, EMMC memory and SD card etc.) can pass through detection switching control electricity
Road is identified.
The control method of above-mentioned mobile power source can be by detecting control switching circuit when accessing external electronic device
The operating protocol detection operation of access electronic equipment is carried out, and controls corresponding charge and discharge when operating protocol is charge and discharge agreement
Electric treatment circuit works, and is embodied as the operation such as charging of external electronic device.And when detection control switching circuit detects
When the operating protocol for accessing electronic equipment is reading and writing data agreement, illustrate that electronic equipment needs to carry out data exchange operation at this time,
Corresponding data exchange circuit will be controlled at this time carries out data exchange operation.Mobile power source in through the above scheme wraps simultaneously
Charge and discharge electric treatment and data conversion process two parts are included, and can be worked under corresponding agreement, it can simultaneously
Compatible high-speed data exchange and high power discharge function have stronger functional reliability.
Referring to Fig. 3, a kind of control device of mobile power source, comprising: agreement obtains module 100, charge and discharge switching module
200 and data exchange switching module 300.
Agreement obtains the operating protocol that module 100 is used to obtain the external electronic device being connected with mobile power source.Charge and discharge
Electric switching module 200 is used to that charge and discharge agreement to be sent to the charge and discharge of mobile power source when operating protocol is charge and discharge agreement
Processing circuit, and charge and discharge instruction is sent to charge and discharge processing circuit.Data exchange switching module 300 is used for
When reading and writing data agreement, reading and writing data agreement is sent to the data exchange circuit of mobile power source, and send out to data exchange circuit
Send read write command.
Specifically, when the corresponding interface of mobile power source is connected with external electronic device, it can be realized mobile power source
Electric current transmission and data exchanging function with external electronic device.Mobile power source specifically includes detection control switching circuit, fills
Discharge treatment circuit and data exchange circuit are realized wherein detection control switching circuit is directly connected with external electronic device
The operating protocol of external electronic equipments detects operation.When external electronic device accesses detection control switching circuit, examine first
External electronic circuits corresponding operating protocol at this time can be detected by surveying control switching circuit.Then it is carried out according to the operating protocol of acquisition
External electronic device needs which kind of information exchange operation carried out with mobile power source at this time for analysis, in order to detect control switching circuit
It is worked according to different piece in different operating protocol control mobile power sources.
Charge and discharge instruction is electrically operated for controlling the progress charge and discharge of charge and discharge processing circuit.When detection control switching circuit according to
The operating protocol of acquisition is analyzed, and when obtained operating protocol type is charge and discharge agreement, detection control switching circuit is carried out
Circuit switching operation controls charge and discharge processing circuit at this time and works, while guaranteeing that data exchange circuit is in an off state,
The discharge operation of external electronic device is embodied as by mobile power source.When detection control switching circuit detects external electronic device
Operating protocol be charge and discharge agreement when, detection control switching circuit corresponding charge and discharge agreement can be sent at charge and discharge
Circuit is managed, in order to which charge and discharge processing circuit carries out discharge operation according to corresponding charge and discharge agreement.Meanwhile detecting switching control
Circuit can send charge and discharge instruction control charge and discharge processing circuit work to charge and discharge processing circuit.It is appreciated that in a reality
It applies in example, when not accessing electronic equipment, charge and discharge processing circuit and data exchange circuit are in off state, ought connect later
After receiving corresponding instruction, just agreement corresponding work can be carried out based on the received.
Read write command carries out data exchange operation for controlling data exchange circuit.With progress charge and discharge behaviour in aforesaid operations
Make similar, when detection control switching circuit is analyzed according to the operating protocol of acquisition, obtained operating protocol type is data
When read-write protocol, detection control switching circuit carries out circuit switching operation, and control data exchange circuit conducting works, simultaneously
It is in an off state to control management of charging and discharging circuit.Corresponding reading and writing data agreement can be sent to by detection control switching circuit
Data exchange circuit, in order to which data exchange circuit is according to the read-write operation of corresponding reading and writing data agreement progress data.Meanwhile
Read write command control data exchange circuit work can be sent to data exchange circuit by detecting control switching circuit.
It is appreciated that in one embodiment, the detection control switching circuit of mobile power source is specially a control chip, lead to
Crossing the control chip may be implemented all operations in the control method of above-mentioned mobile power source.In another embodiment, it detects
Control switching circuit is further divided into signal switch unit and signal detection control unit, wherein signal detection control unit tool
Body is a control chip, and all operations in the control method of above-mentioned mobile power source equally may be implemented by the control chip.
When signal detection control unit detects that operating protocol is charge and discharge agreement, it can also realize to signal switch unit and send phase
The switching command answered, control charge and discharge processing circuit access, so that charge and discharge control instruction and charge and discharge agreement can be sent to
Charge-discharge control circuit.When signal detection control unit detect operating protocol be reading and writing data agreement when, can also realize to
Signal switch unit sends corresponding switching command, control data exchange circuit access, so that read write command and reading and writing data association
View can be sent to data exchange circuit.
In one embodiment, agreement acquisition module 100, which is also used to work as, detects that external electronic device accesses mobile power source
When, the voltage that mobile power source is used to connect the signal wire of electronic equipment is obtained, the operating protocol of electronic equipment is obtained according to voltage.
Concrete operations are similar according to the corresponding embodiment in above method part, and details are not described herein.
The control device of above-mentioned mobile power source can be by detecting control switching circuit when accessing external electronic device
The operating protocol detection operation of access electronic equipment is carried out, and controls corresponding charge and discharge when operating protocol is charge and discharge agreement
Electric treatment circuit works, and is embodied as the operation such as charging of external electronic device.And when detection control switching circuit detects
When the operating protocol for accessing electronic equipment is reading and writing data agreement, illustrate that electronic equipment needs to carry out data exchange operation at this time,
Corresponding data exchange circuit will be controlled at this time carries out data exchange operation.Mobile power source in through the above scheme wraps simultaneously
Charge and discharge electric treatment and data conversion process two parts are included, and can be worked under corresponding agreement, it can simultaneously
Compatible high-speed data exchange and high power discharge function have stronger functional reliability.
Referring to Fig. 4, a kind of mobile power source, comprising: detection control switching circuit 10, charge and discharge processing circuit 20 and data
Switched circuit 30, detection control switching circuit 10 connect external electronic device, 20 sum number of charge and discharge processing circuit by signal wire
It is separately connected detection control switching circuit 10 according to switched circuit 30, charge and discharge processing circuit 20 connects electronics by power supply line and sets
Standby, detection control switching circuit 10 is used to carry out charge and discharge control and logarithm to charge and discharge processing circuit 20 according to above-mentioned method
Data exchange control is carried out according to switched circuit 30.
Specifically, when the corresponding interface of mobile power source is connected with external electronic device, it can be realized mobile power source
Electric current transmission and data exchanging function with external electronic device.Mobile power source specifically include detection control switching circuit 10,
Charge and discharge processing circuit 20 and data exchange circuit 30, wherein detection control switching circuit 10 is directly connected with external electronic device
It connects, realizes the operating protocol detection operation of external electronic equipments.When external electronic device accesses detection control switching circuit 10
When, detection control switching circuit 10 first can detect external electronic circuits corresponding operating protocol at this time.Then according to acquisition
Operating protocol is analyzed external electronic device at this time and needs which kind of information exchange operation carried out with mobile power source, in order to detect
Control switching circuit 10 works according to different piece in different operating protocol control mobile power sources.
When detection control switching circuit 10 is analyzed according to the operating protocol of acquisition, obtained operating protocol type is to fill
When agreement of discharging, detection control switching circuit 10 carries out circuit switching operation, controls charge and discharge processing circuit 20 at this time and carries out work
Make, while guaranteeing that data exchange circuit 30 is in an off state, is grasped by the electric discharge that mobile power source is embodied as external electronic device
Make.When detection control switching circuit 10 detects that the operating protocol of external electronic device is charge and discharge agreement, detection switching control
Corresponding charge and discharge agreement can be sent to charge and discharge processing circuit 20 by circuit 10 processed, in order to charge and discharge processing circuit 20
Discharge operation is carried out according to corresponding charge and discharge agreement.Meanwhile it detecting the meeting of control switching circuit 10 and being sent out to charge and discharge processing circuit 20
Charge and discharge instruction control charge and discharge processing circuit 20 is sent to work.It is appreciated that in one embodiment, not accessing electronic equipment
When, charge and discharge processing circuit 20 and data exchange circuit 30 are in off state, later after receiving corresponding instruction,
Just agreement it can carry out corresponding work based on the received.
It is electrically operated similar with charge and discharge is carried out in aforesaid operations, when detection control switching circuit 10 is according to the operating protocol of acquisition
It is analyzed, when obtained operating protocol type is reading and writing data agreement, detection control switching circuit 10 carries out circuit switching behaviour
Make, the control conducting of data exchange circuit 30 works, while it is in an off state to control management of charging and discharging circuit.Detection switching
Corresponding reading and writing data agreement can be sent to data exchange circuit 30 by control circuit 10, in order to data exchange circuit 30
The read-write operation of data is carried out according to corresponding reading and writing data agreement.Meanwhile the meeting of control switching circuit 10 is detected to data exchange electricity
Road 30 sends read write command control data exchange circuit 30 and works.
Referring to Fig. 5, in one embodiment, detection control switching circuit 10 includes signal detection control unit 11 and letter
Number switch unit 12, signal detection control unit 11 pass through signal wire and connect electronic equipment, and signal detection control unit 11 connects
Signal switch unit 12, signal switch unit 12 connect electronic equipment by signal wire, and charge and discharge processing circuit 20 and data are handed over
It changes circuit 30 and is separately connected signal switch unit 12.
Specifically, in the present embodiment, detection control switching circuit 10 includes that signal detection control unit 11 and signal are cut
12 two parts of unit are changed, wherein signal detection control unit 11 is for carrying out operating protocol acquisition and identification operation, simultaneously
Different control instructions is sent to signal switching circuit according to different operating protocol types, to realize different types of processing
Circuit and signal switching circuit carry out signal transmission, realize different work.Signal switch unit 12 is then according to control instruction control
Charge and discharge processing circuit 20 processed accesses, or controls data exchange circuit 30 according to control instruction and access.Further, at one
In embodiment, signal detection control unit 11 includes voltage collection circuit and control two parts, is acquired by voltage collection circuit
Then the voltage of signal box obtains the operating protocol type of external electronic device according to voltage swing collected and is sent to control
Device processed carries out corresponding to high control processing operation.Wherein, the type of controller is not unique, can be single-chip microcontroller or MCU
(Microcontroller Unit, micro-control unit) controller etc..It is appreciated that the type of signal switch unit 12 is not
Uniquely, remember that charge and discharge processing circuit 20 or data exchange circuit 30 are respectively connected to integrated circuit i.e. respectively as long as can be realized
It can.For example, in one embodiment, signal switch unit 12 is single-pole double-throw switch (SPDT).
Referring to Fig. 5, in one embodiment, charge and discharge processing circuit 20 includes: charge and discharge protocol processing unit 21, electricity
Source control unit 22 and battery energy storage unit 23, discharge protocol processing unit connection signal switch unit 12 and Power Management Unit
22, battery energy storage unit 23 connects Power Management Unit 22, and Power Management Unit 22 connects electronic equipment by power supply line.
Specifically, charge and discharge protocol processing unit 21 obtains specific charge and discharge protocol type for carrying out agreement matching
And related protocol information.Power Management Unit 22 is for receiving specific charge and discharge protocol type and protocol information, according to tool
The electric energy that battery energy storage unit 23 stores is transmitted to external electronic device by the charge and discharge agreement and protocol information of body;Or according to
Specific charge and discharge agreement and protocol information are by externally input power storage in battery energy storage unit 23.When detection switching control
When circuit 10 processed detects that the operating protocol of external electronic device is charge and discharge agreement, signal switch unit 12 switches to and charge and discharge
The electric conducting of protocol processing unit 21 connection, carries out handshake communication by charge and discharge protocol processing unit 21 and external electronic device.
In one embodiment, detection control switching circuit 10 only carries out the judgement operation of operating protocol type, can't directly obtain
Specific protocol type.After signal switch unit 12 is connected to charge and discharge protocol processing unit 21, charge and discharge protocol processes list
Member 21 is received and is matched with the protocol-dependent information of charge and discharge (such as line voltage signal etc.), finally obtains charge and discharge agreement
Concrete type simultaneously feeds back to Power Management Unit 22.Then Power Management Unit 22 is carried out according to specific charge and discharge protocol type
The electric energy that battery energy storage unit 23 stores is delivered to external electronic device by power supply line, realized big by management of charging and discharging operation
Power discharge operation.
It is appreciated that charge and discharge processing circuit 20 through this embodiment can also realize filling to battery energy storage unit 23
It is electrically operated.Likewise, when detection control switching circuit 10 detects equipment and judges operating protocol at this time as charge and discharge
It is similar with above-mentioned discharge operation when agreement, after corresponding charge and discharge agreement is fed back to Power Management Unit 22, pass through power supply
It is that battery energy storage unit 23 carries out charging operations that line and Power Management Unit 22, which can input electric current of corresponding size,.
In one embodiment, Power Management Unit 22 includes range-adjusting circuit and current circuit, passes through range-adjusting
Circuit and the received charge and discharge agreement concrete type of charge and discharge protocol processing unit 21, can be by output to external electronic device
Voltage magnitude be adjusted, to meet corresponding consensus standard.It can also be realized simultaneously by current-limiting circuit to output circuit
Current-limiting operation, guarantee that output to the maximum current of external electronic device does not exceed mark defined by corresponding charge and discharge agreement
Standard, to guarantee the electric discharge safety and reliability of mobile power source.
Referring to Fig. 5, in one embodiment, data exchange circuit 30 includes reading and writing data protocol processing unit 31 and deposits
Storage unit 32, storage unit 32 connect data read-write protocol processing unit 31,31 connection signal of reading and writing data protocol processing unit
Switch unit 12.
Specifically, reading and writing data protocol processing unit 31 matches to obtain specific reading and writing data protocol class for carrying out agreement
Type and protocol information, and be transmitted to the data that storage unit stores outside according to specific reading and writing data agreement and protocol information
Portion's electronic equipment, or it is according to specific reading and writing data agreement and protocol information that the data write-in storage of external electronic device is single
Member 32 is stored.When detection control switching circuit 10 detects that the operating protocol of external electronic device is reading and writing data agreement
When, signal switch unit 12 is switched to be connected with reading and writing data protocol processing unit 31 and be connected, and passes through reading and writing data protocol processes
Unit 31 and external electronic device carry out handshake communication.In one embodiment, detection control switching circuit 10 only works
The judgement of protocol type operates, and can't directly obtain specific protocol type.Signal switch unit 12 and reading and writing data agreement
After processing unit 31 is connected to, reading and writing data protocol processing unit 31 is received (such as to be believed with the protocol-dependent information of reading and writing data
Number line voltage etc.) it is matched, finally obtain the concrete type of reading and writing data agreement.Then reading and writing data processing unit is according to right
The data that storage unit 32 stores are transmitted to external electrical by signal switch unit 12 and signal wire by the reading and writing data agreement answered
Sub- equipment realizes the read operation of data;Likewise, the data of external electronic device can also be passed through according to reading and writing data agreement
It crosses signal wire, signal switch unit 12 and 31 write storage unit 32 of data read-write protocol processing unit to be stored, completes number
According to write operation.Therefore, through this embodiment in data exchange circuit 30 can be realized data high speed read and write-in
Operation.
It is appreciated that the type of storage unit 32 is not uniquely, as long as having the memory of read-write capability.
For example, in one embodiment, storage unit 32 is flash storage, EMMC memory or safe digital card (Secure
Digital Memory Card/SD card, SD card).
Specifically, Flash storage is a kind of non-volatile (Non-Volatile) storage mode, in the supply of no electric current
Under the conditions of also can muchly keep data.EMMC memory is made of an embedded storage solution, (more with MMC
Media card) interface, flash memory device and master controller.It is all in a small-sized BGA (BGA (Ball Grid
Array Package, ball grid array) encapsulation.Interface rate is up to 52MBytes per second, and EMMC has quick, scalable property
Energy.And SD storage card is a kind of memory device of new generation based on semiconductor fast-flash memory device, since it is small in size, data transmission
Speed is fast, the excellent characteristic such as hot-swappable.The various memories enumerated in the present embodiment can be read and write in corresponding data and assist
Under the action of view, corresponding data read-write operation is realized.
Referring to Fig. 6, in one embodiment, mobile power source further includes 40 (Universal of Universal Serial Bus Interface
Serial Bus, USB interface), detection control switching circuit 10 passes through signal wire connection universal serial bus interface 40, charge and discharge
Processing circuit 20 is by power supply line connection universal serial bus interface 40, and Universal Serial Bus Interface 40 is for connecting external electrical
Equipment is attached between mobile power source and external equipment in order to realize.
It should be pointed out that the quantity of the Universal Serial Bus Interface 40 of mobile power source is not unique, and different
Universal Serial Bus Interface 40 corresponds to different detection control switching circuits 10, charge and discharge processing circuit 20 and data exchange electricity
That is, realize that mobile power source has access to multiple electronics and sets by the setting of Universal Serial Bus Interface 40 and related circuit in road 30
It is standby to carry out charging or data exchange operation simultaneously.
Above-mentioned mobile power source can carry out access electricity by detecting control switching circuit when accessing external electronic device
The operating protocol of sub- equipment detects operation, and controls corresponding charge and discharge processing circuit when operating protocol is charge and discharge agreement
It works, is embodied as the operation such as charging of external electronic device.And when detection control switching circuit detects that access electronics is set
When standby operating protocol is reading and writing data agreement, illustrate that electronic equipment needs to carry out data exchange operation at this time, will control at this time
It makes corresponding data exchange circuit and carries out data exchange operation.Mobile power source in through the above scheme includes simultaneously at charge and discharge
Reason and data conversion treatment two parts, and can work under corresponding agreement, it can while compatible high-speed number
According to exchange and high power discharge function, there is stronger functional reliability.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies 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, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of control method of mobile power source characterized by comprising
Obtain the operating protocol for the external electronic device being connected with the mobile power source;
When the operating protocol is charge and discharge agreement, the charge and discharge agreement is sent at the charge and discharge of the mobile power source
Circuit is managed, and sends charge and discharge instruction to the charge and discharge processing circuit, the charge and discharge instruction is for controlling the charge and discharge
Processing circuit is electrically operated according to charge and discharge agreement progress charge and discharge;
When the operating protocol is reading and writing data agreement, the reading and writing data agreement is sent to the data of the mobile power source
Switched circuit, and read write command is sent to the data exchange circuit, the read write command is for controlling the data exchange electricity
Road carries out data exchange operation according to the reading and writing data agreement.
2. control method according to claim 1, which is characterized in that the acquisition is connected outer with the mobile power source
The step of operating protocol of portion's electronic equipment, comprising:
When detecting that external electronic device accesses the mobile power source, obtains the mobile power source and set for connecting the electronics
The voltage of standby signal wire obtains the operating protocol of the electronic equipment according to the voltage.
3. control method according to claim 1, which is characterized in that the charge and discharge agreement include QC3.0 agreement,
QC4.0 agreement, Apple charging 2.4A agreement, AFC agreement, 1.2 agreement of BC, PD3.0 agreement, FCP agreement and SCP association
View, the reading and writing data agreement includes USB2.0 agreement and USB3.0 agreement.
4. a kind of control device of mobile power source characterized by comprising
Agreement obtains module, for obtaining the operating protocol for the external electronic device being connected with the mobile power source;
Charge and discharge switching module, for when the operating protocol is charge and discharge agreement, the charge and discharge agreement to be sent to institute
The charge and discharge processing circuit of mobile power source is stated, and sends charge and discharge instruction to the charge and discharge processing circuit, the charge and discharge refer to
It enables electrically operated according to charge and discharge agreement progress charge and discharge for controlling the charge and discharge processing circuit;
Data exchange switching module, for when the operating protocol is reading and writing data agreement, the reading and writing data agreement to be sent out
It send to the data exchange circuit of the mobile power source, and sends read write command, the read write command to the data exchange circuit
Data exchange operation is carried out according to the reading and writing data agreement for controlling the data exchange circuit.
5. a kind of mobile power source characterized by comprising detection control switching circuit, charge and discharge processing circuit and data exchange
Circuit, the detection control switching circuit connect external electronic device, the charge and discharge processing circuit and described by signal wire
Data exchange circuit is separately connected the detection control switching circuit, and the charge and discharge processing circuit passes through described in power supply line connection
Electronic equipment,
The detection control switching circuit is for method according to claim 1-3 to the charge and discharge electric treatment electricity
Road carries out charge and discharge control and carries out data exchange control to the data exchange circuit.
6. mobile power source according to claim 5, which is characterized in that the detection control switching circuit includes signal detection
Control unit and signal switch unit, the signal detection control unit connect the electronic equipment, the letter by signal wire
Number detection control unit connects the signal switch unit, and the signal switch unit connects the electronics by signal wire and sets
Standby, the charge and discharge processing circuit and the data exchange circuit are separately connected the signal switch unit.
7. mobile power source according to claim 6, which is characterized in that the charge and discharge processing circuit includes: charge and discharge association
Processing unit, Power Management Unit and battery energy storage unit are discussed, it is single that the electric discharge protocol processing unit connects the signal switching
The first and described Power Management Unit, the battery energy storage unit connect the Power Management Unit, and the Power Management Unit is logical
It crosses power supply line and connects the electronic equipment.
8. mobile power source according to claim 6, which is characterized in that the data exchange circuit includes reading and writing data agreement
Processing unit and storage unit, the storage unit connect the reading and writing data protocol processing unit, the reading and writing data agreement
Processing unit connects the signal switch unit.
9. mobile power source according to claim 8, which is characterized in that the storage unit is flash storage, EMMC is deposited
Reservoir or safe digital card.
10. mobile power source according to claim 5, which is characterized in that it further include Universal Serial Bus Interface, the detection
Control switching circuit connects the Universal Serial Bus Interface by signal wire, and the charge and discharge processing circuit is connected by power supply line
The Universal Serial Bus Interface is connect, the Universal Serial Bus Interface is for connecting external electronic device.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113538796A (en) * | 2021-07-09 | 2021-10-22 | 杭州高瓴环境科技有限公司 | Sharing method and sharing system of mobile power supply |
CN116780697A (en) * | 2023-06-08 | 2023-09-19 | 深圳市海孜寻网络科技有限公司 | Mobile power supply with electricity meter low-power-consumption protection |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204144984U (en) * | 2014-03-14 | 2015-02-04 | 祥业科技股份有限公司 | Portable Portable disk portable power source |
US20150194822A1 (en) * | 2014-01-03 | 2015-07-09 | Chao-Yu Yueh | Integrated Power Bank |
CN105048018A (en) * | 2015-08-25 | 2015-11-11 | 广东欧珀移动通信有限公司 | Charging method and device for terminal having on-the-go (OTG) function |
CN204761115U (en) * | 2015-08-06 | 2015-11-11 | 赵振涛 | Multifunctional mobile power supply |
CN107465240A (en) * | 2017-08-11 | 2017-12-12 | 天津瑞发科半导体技术有限公司 | A kind of intelligent movable power supplies and carry out the method for usb data communication with it |
CN110099150A (en) * | 2019-05-24 | 2019-08-06 | 深圳市泰达讯科技有限公司 | A kind of switching depressed place, adapting system and its forwarding method |
CN110119366A (en) * | 2018-11-28 | 2019-08-13 | 天津瑞发科半导体技术有限公司 | A kind of intelligent storage equipment and the method for accessing intelligent storage equipment |
-
2019
- 2019-08-26 CN CN201910792147.1A patent/CN110492569B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150194822A1 (en) * | 2014-01-03 | 2015-07-09 | Chao-Yu Yueh | Integrated Power Bank |
CN204144984U (en) * | 2014-03-14 | 2015-02-04 | 祥业科技股份有限公司 | Portable Portable disk portable power source |
CN204761115U (en) * | 2015-08-06 | 2015-11-11 | 赵振涛 | Multifunctional mobile power supply |
CN105048018A (en) * | 2015-08-25 | 2015-11-11 | 广东欧珀移动通信有限公司 | Charging method and device for terminal having on-the-go (OTG) function |
CN107465240A (en) * | 2017-08-11 | 2017-12-12 | 天津瑞发科半导体技术有限公司 | A kind of intelligent movable power supplies and carry out the method for usb data communication with it |
CN110119366A (en) * | 2018-11-28 | 2019-08-13 | 天津瑞发科半导体技术有限公司 | A kind of intelligent storage equipment and the method for accessing intelligent storage equipment |
CN110099150A (en) * | 2019-05-24 | 2019-08-06 | 深圳市泰达讯科技有限公司 | A kind of switching depressed place, adapting system and its forwarding method |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113538796A (en) * | 2021-07-09 | 2021-10-22 | 杭州高瓴环境科技有限公司 | Sharing method and sharing system of mobile power supply |
CN113538796B (en) * | 2021-07-09 | 2022-03-01 | 杭州高瓴环境科技有限公司 | Sharing method and sharing system of mobile power supply |
CN116780697A (en) * | 2023-06-08 | 2023-09-19 | 深圳市海孜寻网络科技有限公司 | Mobile power supply with electricity meter low-power-consumption protection |
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