CN208754016U - The dead battery activated system of mobile power source and mobile power source - Google Patents
The dead battery activated system of mobile power source and mobile power source Download PDFInfo
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- CN208754016U CN208754016U CN201821203137.7U CN201821203137U CN208754016U CN 208754016 U CN208754016 U CN 208754016U CN 201821203137 U CN201821203137 U CN 201821203137U CN 208754016 U CN208754016 U CN 208754016U
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Abstract
This application discloses the dead battery activated systems of a kind of mobile power source and mobile power source.The mobile power source includes: charge storage unit, for storing electric energy or externally electric discharge；Protective loop unit, for fill in discharge process in case of predetermined case, then cut off the charging to charge storage unit or cut off the external electric discharge of charge storage unit；MCU control unit；Unit is activated, can be detected by external SOURCE equipment, so that outside SOURCE equipment provides starting electric energy to MCU control unit；Wherein, MCU control unit is in response to receiving starting electric energy, and control protective loop unit closure is so that outside SOURCE equipment is charge storage unit charging.
Description
Technical field
This application involves the dead battery activated systems of a kind of mobile power source with activation unit and mobile power source, specifically
Ground is related to the dead battery activated system of Type-C and Type-C PD mobile power source and the mobile power source with activation unit.
Background technique
With various portable devices such as mobile phone, tablet computer, camera etc. application it is more and more extensive, to for these just
The portable power source device of portable device charging or the charging rate of back-up power apparatus require to be getting faster.USB association is proposed
Type-C and Type-C PD charge protocol, the end protocol requirement SOURCE and the end SINK turn off when no equipment connects defeated
Out and input terminal.Will appear in the technical application to mobile power source can not activating lithium battery protective loop be in the shifting of guard mode
Dynamic power supply.Traditional way is that Type-C and Type-C PD portable power source device forces activation protective loop when leaving the factory.It is this
There is no problem in normal use for situation.But if Type-C and Type-C PD mobile power source is in use due to accidentally
It acts and battery protection circuit is made to enter guard mode, which will be unable to continue charging and discharging, lead to product failure.
Utility model content
In view of the above-mentioned problems, this application provides the tools that one kind can improve above-mentioned at least some defects in the prior art
There are the dead Type-C and Type-C PD mobile power source of battery activated function and the dead battery activated system of mobile power source.
According to the one aspect of the application, provide a kind of mobile power source, comprising: charge storage unit, for store electric energy or
Externally electric discharge；Protective loop unit, for fill in discharge process in case of predetermined case, then cutting is to the storage list
The charging of member or the external electric discharge of the cutting charge storage unit；MCU control unit；Unit is activated, can be set by external SOURCE
It is standby to detect, so that the external SOURCE equipment provides starting electric energy to the MCU control unit；Wherein, the MCU control
Unit controls the protective loop unit closure so that the external SOURCE is set in response to receiving the starting electric energy
It is standby to charge for the charge storage unit.
In one embodiment, the predetermined case is that overtension, electric current are excessive on circuit in the mobile power source
Or the mobile power source temperature is excessively high.
In one embodiment, shown mobile power source further include battery fill discharge cell, provide for the storage
The charge circuit of unit charging and the discharge loop to discharge for the charge storage unit.
In one embodiment, the charge storage unit by the battery fill discharge cell charge circuit and electric discharge
Circuit carries out charge or discharge.
In one embodiment, the protective loop unit be used for fill in discharge process in case of described predetermined
Situation, then cut off the battery fill discharge cell charge circuit or discharge loop, thus cutting the charge storage unit is filled
The external electric discharge of electricity or the cutting charge storage unit.
In one embodiment, the mobile power source further includes interface unit, and one end of the interface unit is connected to
The external SOURCE equipment or the outside end SINK, the other end be connected to the battery fill discharge cell so that the outside
SOURCE equipment by the interface unit for the battery fill discharge cell provide electric energy input, or pass through the interface
Unit output from the battery fill discharge cell electric energy.
In one embodiment, the activation unit include the first pull down resistor, the second pull down resistor, first switch and
Second switch, wherein one end of the first switch is connected to first pull down resistor, and the other end of the first switch connects
Be connected to the interface unit, one end of the second switch is connected to second pull down resistor, the second switch it is another
End is connected to the interface unit.
In one embodiment, first pull down resistor and second pull down resistor are 5.1K pull down resistor.
In one embodiment, the first switch and second that the MCU control unit can control the activation unit is opened
Closing or opening is closed, so that the first pull down resistor and the second pull down resistor of the activation unit are electrically connected with the interface unit
Or disconnect electrical connection.
In one embodiment, the MCU control unit can be cut off in the protective loop unit to the storage
When the charging of unit or the external electric discharge of the cutting charge storage unit, the first switch and the second switch of the activation unit is controlled
Closure, so that first pull down resistor and second pull down resistor are electrically connected with the interface unit, to make to be connected to
The SOURCE equipment of the interface unit is due to detecting first pull down resistor and second pull down resistor and Xiang Suoshu
MCU control unit provides starting electric energy.
In one embodiment, the MCU control unit can control institute after the protective loop unit is activated
The first switch and the second switch for stating activation unit disconnects, so that first pull down resistor and second pull down resistor and institute
It states interface unit and disconnects electrical connection.
According to the one aspect of the application, a kind of dead battery activated system of mobile power source is provided, comprising: according to this Shen
Please embodiment mobile power source；External SOURCE equipment, including interface and switch unit, the external SOURCE equipment pass through
The interface is connected to the mobile power source, wherein the external SOURCE equipment is in response to detecting in the mobile power source
Activation unit and will the external SOURCE equipment switch unit closure, to transmit electric energy to the mobile power source.
According to the one aspect of the application, dead battery activated unit is realized to the Type-C and Type- for being in guard mode
C PD mobile power source provides the drop-down Rd electricity on CC1 and CC2 required for a Type-C and Type-C PD SOURCE equipment
It hinders (5.1K), to realize that Type-C and Type-C PD SOURCE equipment is supplied to Type-C and Type-C PD mobile power source
Electricity, and by battery fill discharge loop charge the battery and activated batteries protective loop.After battery protection circuit is activated,
The enable end of the dead battery activated control unit of MCU control unit control, to cut off the drop-down Rd resistance that CC1 and CC2 needs
(5.1K) realizes the reception for realizing SOURCE and SINK agreement by protocol control units and sending and controls result notice MCU
Unit processed, and realize that the institute of Type-C and Type-C PD mobile power source is functional by MCU control unit.
Detailed description of the invention
Fig. 1 shows the block diagram of mobile power source 1000 according to one embodiment；
Fig. 2 shows the circuit diagrams of mobile power source 1000 according to one embodiment；
Fig. 3 show battery according to one embodiment fill discharge cell 100 and MCU control unit 400 signal stream
To；
Fig. 4 shows the activation of Dead Battery according to one embodiment unit, protocol control units and MCU control
Signal flow between unit；And
Fig. 5 shows the circuit connection diagram of the activation unit of Dead Battery according to one embodiment.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It can
To understand, the drawings and detailed description are the description to the application preferred embodiment, rather than limit this in any way
The range of application.
Fig. 1 shows the block diagram of mobile power source 1000 according to one embodiment.As shown in Figure 1, mobile power source 1000
Including battery fill discharge cell 100, protocol control units 200, protective loop unit 300, MCU control unit 400, activation it is single
Member 500, power supply unit 600, interface unit 700 and charge storage unit 800.External SOURCE/SINK equipment is also shown in Fig. 1.
In presently filed embodiment, mobile power source 1000 is support or the mobile electricity with Type C and Type C PD agreement
Source, and outside SOURCE/SINK equipment are support or the SOURCE/SINK equipment with Type C and Type C PD agreement.
Charge storage unit 800 can store electric energy or externally electric discharge.If fill predetermined case occurs in discharge process, protect
The cutting of circuit units 300 is protected to the charging of charge storage unit or the external electric discharge of cutting charge storage unit.When protective loop unit 300 into
Entering guard mode (that is, cutting is to the charging of charge storage unit or external electric discharge of cutting charge storage unit), external SOURCE equipment connects afterwards
When being connected to mobile power source 1000, activation unit is can be detected in external SOURCE equipment, to provide starting to MCU control unit
Electric energy.MCU control unit is in response to receiving starting electric energy, and control protective loop unit closure is so that outside SOURCE equipment is
Charge storage unit charging.Hereinafter, the dead battery activated mistake of mobile power source and mobile power source with activation unit is described in detail
Journey.
Fig. 2 is the circuit diagram for showing mobile power source 1000 according to one embodiment.According to one embodiment,
Mobile power source is Li-Ion rechargeable battery.With reference to Fig. 2, mobile power source 1000 may include battery fill discharge cell 100, agreement control
Unit 200 processed, protective loop unit 300, MCU control unit 400, activation unit 500, power supply unit 600, interface unit 700
With charge storage unit 800.
One end that battery fills discharge cell 100 is connected to interface unit 700 and its other end is connected to charge storage unit
800.Battery fill discharge cell 100 can charge for battery and circuit be provided and provide circuit for output voltage.Battery fill electric discharge
Unit 100 includes the charge circuit for charge storage unit charging and the discharge loop for charge storage unit electric discharge.Mobile power source fill
Discharge process is the process that chemical energy and electric energy mutually convert.Interface unit 700 can be connected to outside mobile power source 1000
The end SOURCE or the end SINK.When the end SOURCE is connected to the interface unit 700 of mobile power source, it can be achieved that being filled to mobile power source
Electricity.When the end SINK is connected to the interface unit 700 of mobile power source, mobile power source realizes electric discharge electric energy is filled into the end SINK
Equipment.SOURCE end equipment can be for example power supply, and SINK end equipment can be for example the various mobile devices such as mobile phone, tablet computer.
When charging to mobile power source, charge storage unit 800 stores electric energy.When mobile power source discharges outward, charge storage unit 800 is externally put
Electricity.
Protocol control units 200 are connected to interface unit 700, and can be used for realizing the reception of SOURCE and SINK agreement
And it sends.Protective loop unit 300 is connected to charge storage unit 800 and the charge and discharge state that can be used for mobile power source has
Effect monitoring, and turn off charge and discharge circuit under certain conditions to prevent from damaging battery.MCU control unit 400 is connected to
Activation unit 500 and battery fill discharge cell 100, can be activated for dead battery (Dead Battery) unit 500 and battery fill
Discharge loop offer makes can control.Activation unit 500 can be used for activating the protective loop of mobile power source, and then activate mobile electricity
Source makes mobile power source realization continue to be charged and discharged function.Power supply unit 600 is used for MCU control unit 400 and protocol integrated test system
200 offer+3.3V power supply of unit.
Fig. 3 show battery according to one embodiment fill discharge cell 100 and MCU control unit 400 signal stream
To.
As shown in figure 3, battery fill discharge cell 100 include fill discharge enabled switch 101 with fill discharge circuit 102.
From Fig. 3 can it is clearly noted not only that interface unit 700 input side be connected to battery fill discharge cell 100 fill electric discharge it is enabled
Switch 101, fill discharge enabled switch 101 be connected to battery fill discharge cell 100 fill discharge circuit 102.Fill electric discharge electricity
Road 102 can be controlled by MCU control unit 400 and use two-way liter reduction voltage circuit, charging for battery provides circuit and is defeated
Voltage provides circuit out.Specifically, signal (such as input voltage, input capability, the output voltage, band load of input/output are carried
Ability) and carry 800 information of charge storage unit signal (such as cell voltage, battery temperature) can be transmitted separately to MCU control
Unit 400 processed.MCU control unit 400 controlled according to these signals fill discharge circuit 102.When MCU control unit 400 receives
When charge request, the information such as input voltage, input capability that MCU control unit 400 is included according to the signal received are controlled
Battery fill discharge cell 100 select corresponding charging current to charge charge storage unit 800, to realize charge storage unit 800
Charging energy-storing.When MCU control unit 400 receives electric discharge request, MCU control unit 400 is included according to the signal received
The information such as output voltage, load capacity export corresponding voltage and output overcurrent protection to control battery Chong discharge cell 100
Point, to realize that charge storage unit 800 is externally discharged.
Fig. 4 shows the activation of Dead Battery according to one embodiment unit, protocol control units and MCU control
Signal flow between unit.
Referring to Fig. 4, it includes the first pull down resistor 503, the second pull down resistor 504, that Dead Battery, which activates unit 500,
One switch 501 and second switch 502.First pull down resistor 503 and the second pull down resistor 504 can be 5.1K resistance and first
Switch 501 and second switch 502 can be PNP type triode.As shown in figure 4, one end of first switch 501 is connected under first
Pull-up resistor 503, the other end are connected on CC1 line.One end of second switch 502 is connected to the second pull down resistor 504, and the other end connects
It is connected on CC2 line.When first switch 501 and second switch 502 in the closure state, under the first pull down resistor 503 and second
Pull-up resistor 504 is respectively connected on CC1 line and CC2 line, to be connected with interface unit 700.
Protocol control units 200 may include 5.1K pull down resistor.Under normal condition, when the end SOURCE is connected to mobile electricity
When the interface unit 700 in source, SOURCE equipment can monitor the 5.1K pull down resistor in protocol control units 200, thus logical
Cross power supply of the power supply unit 600 to 200 offer+3.3V of MCU control unit 400 and protocol control units.At this point, MCU control is single
Member 400 control battery fill discharge cell 100 charge to charge storage unit 800, realize to the charging process of charge storage unit 800.
Below in conjunction with the course of work of attached drawing detailed description Dead Battery activation unit 500.
When protective loop unit 300 is in guard mode in some cases, that is, protective loop unit 300 has turned off
To the charge and discharge circuit of charge storage unit to prevent from damaging charge storage unit, charge storage unit 800 can not pass through power supply unit
600 to 200 offer+3.3V power supply of MCU control unit 400 and protocol control units.In this case, MCU control unit 400
First switch 501 and second switch 502 in controllable Dead Battery activation unit 500 are closed, so that the first drop-down electricity
Resistance 503 and the second pull down resistor 504 are respectively connected on CC1 line and CC2 line, to be connected with interface unit 700.
At this point, if insertion SOURCE equipment, due to 501 He of first switch in Dead Battery activation unit 500
Second switch 502 is switched on, to provide the first pull down resistor 503 and the second pull down resistor 504 for SOURCE equipment.One
In a embodiment, SOURCE equipment includes having the SOURCE equipment of Type-C agreement or Type-C PD agreement.Work as SOURCE
When equipment detects the first pull down resistor 503 and the second pull down resistor 504, that is, meet the condition of power supply of the SOURCE equipment,
The SOURCE equipment then closure switch Q to provide VBUS for mobile power source, and is controlled by power supply unit 600 to MCU in turn
The power supply of 200 offer+3.3V of unit 400 and protocol control units.At this point, MCU control unit 400 enters working condition, control
Battery fill discharge cell 100 give charge storage unit 800 charge, activate protective loop unit 300.Then, charge storage unit 800 can be to
200 offer+3.3V power supply of MCU control unit 400 and protocol control units.After protective loop unit 300 is activated, MCU control
The power supply of unit 400 and protocol control units 200 processed will be provided by charge storage unit 800, can complete the charge and discharge of mobile power source
Function.
At the same time, the CC-OFF of MCU control unit 400 enables control line output height, control Dead Battery activation
The first switch 501 and second switch 502 of unit 500 disconnect, to make the first pull down resistor 503 and the second pull down resistor 504
It is disconnected from CC1 line and CC2 line, completes Dead Battery activation.
Fig. 5 shows the circuit connection diagram of the activation unit of Dead Battery according to one embodiment.
Referring to Fig. 5, first switch 501 is expressed as Q27, and second switch 502 is expressed as Q28, and the first pull down resistor 503 indicates
RD2 is expressed as RD1 and the second pull down resistor 504.
The course of work of Dead Battery activation unit 500 described above, in activation protective loop unit 300
The CC-OFF control line of MCU control unit 400 exports high simultaneously, so that Q23 and Q30 conducting in Fig. 5, then Q27 and Q30 base
The voltage of pole is VDD, and Q27, Q30 cut-off disconnect RD1, RD2 from CC1, CC2 line, completes Dead Battery activation.
The application is described above by reference to illustrative embodiment, it should be appreciated that above-mentioned embodiment is simultaneously
It is not construed as the limitation to the application range.Those skilled in the art can be under the premise of without departing from spirit and scope
Above-mentioned embodiment is carry out various modifications and deformed.The protection scope of the application is defined by the claims.
Claims (12)
1. a kind of mobile power source, which is characterized in that the mobile power source includes:
Charge storage unit, for storing electric energy or externally electric discharge；
Protective loop unit, for fill in discharge process in case of predetermined case, then the charge storage unit is filled in cutting
The external electric discharge of electricity or the cutting charge storage unit；
MCU control unit；
Unit is activated, can be detected by external SOURCE equipment, so that the external SOURCE equipment controls list to the MCU
Member provides starting electric energy；
Wherein, the MCU control unit is in response to receiving the starting electric energy, control the protective loop unit closure to
So that the external SOURCE equipment is charge storage unit charging.
2. mobile power source according to claim 1, wherein the predetermined case is voltage on circuit in the mobile power source
Excessively high, electric current is excessive or the mobile power source temperature is excessively high.
3. mobile power source according to claim 2, further include battery fill discharge cell, provide for the storage list
The charge circuit of member charging and the discharge loop to discharge for the charge storage unit.
4. mobile power source according to claim 3, wherein the charge storage unit by the battery fill discharge cell
Charge circuit and discharge loop carry out charge or discharge.
5. mobile power source according to claim 4, wherein the protective loop unit be used for fill in discharge process such as
The predetermined case occurs for fruit, then cut off the battery fill discharge cell charge circuit or discharge loop, so that cutting is to institute
State the charging of charge storage unit or the external electric discharge of the cutting charge storage unit.
6. mobile power source according to claim 3 further includes interface unit, one end of the interface unit is connected to described
External SOURCE equipment or the outside end SINK, the other end be connected to the battery fill discharge cell so that the external SOURCE
Equipment by the interface unit for the battery fill discharge cell provide electric energy input, or by the interface unit it is defeated
Out from the battery fill discharge cell electric energy.
7. mobile power source according to claim 6, wherein the activation unit includes the first pull down resistor, the second drop-down
Resistance, first switch and the second switch, wherein one end of the first switch is connected to first pull down resistor, and described
The other end of one switch is connected to the interface unit, and one end of the second switch is connected to second pull down resistor, institute
The other end for stating second switch is connected to the interface unit.
8. mobile power source according to claim 7, wherein first pull down resistor and second pull down resistor are
5.1K pull down resistor.
9. mobile power source according to claim 8, wherein the MCU control unit can control the of the activation unit
One switch and second switch closing or opening so that it is described activation unit the first pull down resistor and the second pull down resistor with it is described
Interface unit is connected or disconnected with electrical connection.
10. mobile power source according to claim 9, wherein the MCU control unit can be in the protective loop unit
When cutting off the external electric discharge of the charging or the cutting charge storage unit to the charge storage unit, the first of the activation unit is controlled
Switch and second switch closure, so that first pull down resistor and second pull down resistor are electrically connected with the interface unit
It connects, to make the SOURCE equipment for being connected to the interface unit due to detecting under first pull down resistor and described second
Pull-up resistor and to the MCU control unit provide starting electric energy.
11. mobile power source according to claim 10, wherein the MCU control unit can be in the protective loop list
After member is activated, the first switch and the second switch for controlling the activation unit is disconnected, so that first pull down resistor and institute
The second pull down resistor is stated to be electrically connected with interface unit disconnection.
12. a kind of dead battery activated system of mobile power source characterized by comprising
Mobile power source according to any one of claim 1 to 11；
External SOURCE equipment, including interface and switch unit, the external SOURCE equipment are connected to institute by the interface
State mobile power source, wherein the external SOURCE equipment is in response to detecting the activation unit in the mobile power source and by institute
The switch unit closure of external SOURCE equipment is stated, to transmit electric energy to the mobile power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203137.7U CN208754016U (en) | 2018-07-27 | 2018-07-27 | The dead battery activated system of mobile power source and mobile power source |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203137.7U CN208754016U (en) | 2018-07-27 | 2018-07-27 | The dead battery activated system of mobile power source and mobile power source |
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| CN208754016U true CN208754016U (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890144A (en) * | 2021-09-29 | 2022-01-04 | 青岛海信移动通信技术股份有限公司 | Charging and discharging control method, device, equipment and medium |
-
2018
- 2018-07-27 CN CN201821203137.7U patent/CN208754016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890144A (en) * | 2021-09-29 | 2022-01-04 | 青岛海信移动通信技术股份有限公司 | Charging and discharging control method, device, equipment and medium |
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