CN110391680A - Charging unit and charge control method - Google Patents
Charging unit and charge control method Download PDFInfo
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- CN110391680A CN110391680A CN201810371243.4A CN201810371243A CN110391680A CN 110391680 A CN110391680 A CN 110391680A CN 201810371243 A CN201810371243 A CN 201810371243A CN 110391680 A CN110391680 A CN 110391680A
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- 238000007600 charging Methods 0.000 title claims abstract description 174
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003475 lamination Methods 0.000 claims abstract description 11
- 239000004065 semiconductor Substances 0.000 claims description 49
- 238000001514 detection method Methods 0.000 claims description 43
- 230000005611 electricity Effects 0.000 claims description 32
- 239000003990 capacitor Substances 0.000 claims description 27
- 230000008054 signal transmission Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000003086 colorant Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- H02J7/0021—
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- H02J7/0022—
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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H02J7/008—
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The present invention relates to electronic equipment accessories field more particularly to a kind of charging units and charge control method.Charging unit and charge control method of the invention is when multiple laminations are arranged progress while charging, it may be implemented preferentially to charge to the charging unit positioned at upper layer, when user needs to charge to electronic equipment using charging unit, directly take the charging unit filled with positioned at upper layer away, and the charging unit for being located at its lower layer can continue to charge, the optimum distribution of charge power is not only realized, but also brings convenience to the use of people.
Description
[technical field]
The present invention relates to electronic equipment accessories field more particularly to a kind of charging units and charge control method.
[background technique]
Due to the frequent use of electronic equipment, so electron equipment charges needs regularly, and mobile power source
Appearance allow people removably electron equipment charge.
When needing to charge to multiple mobile power sources, it usually needs it charges in turn one by one, charge efficiency is low,
Charging time is long, is not able to satisfy the demand of people.
[summary of the invention]
In view of the above-mentioned problems, the present invention provides a kind of charging unit and charge control method.
The scheme that the present invention solves technical problem is to provide a kind of charging unit, the charging unit include input module,
Battery module, output module, detection module, battery management module and control module, the input module is used for and charge power supply
Connection, the output module for connect with electronic equipment to be charged, the battery module and input module, output module and
Battery management module connection, the detection module connect with output module, the input module, battery module, detection module and
Battery management module is connect with control module, and whether the detection module detection output module connects with electronic equipment to be charged
It connects, when detection module detects that output module is not connect with electronic equipment to be charged, detection module generates feedback signal and passes
Control module is transported to, control module controls charge power supply according to the feedback signal and only charges to battery module；When detection module is examined
When measuring output module and connecting with electronic equipment to be charged, battery management module detects the current electric quantity of battery module and generation
For feedback signal transmission to control module, whether the current electric quantity that control module compares battery module is more than threshold value to determine to battery
Module charging is charged to electronic equipment to be charged.
Preferably, the charging unit further comprises boost module, and one end is connect with battery module, the other end with it is defeated
Module connects out, and connect with control module, and the boost module is used to improve the output voltage and/or output electricity of output module
Stream.
Preferably, the charging unit further comprises PWM module, and described PWM module one end is connect with input module, separately
One end is connect with battery module, and is connect with control module, and the PWM module is used to adjust the charging electricity of charge power supply input
Stream.
Preferably, when the current electric quantity that control module compares battery module is more than threshold value, control module controls cell tube
Reason module stops charging to battery module, and charge power supply only gives electronic equipment to be charged to charge；When control module compares battery
When the current electric quantity of module is not above threshold value, control module controls battery management module and opens battery module charging until battery
The electricity of module is more than threshold value.
Preferably, the control module can detect the charging electricity whether charge power supply accessed and detected charge power supply offer
Stream.
Preferably, the PWM module include resistance R11, resistance R12, resistance R13, resistance R14, capacitor C3, metal-oxide-semiconductor Q3,
Metal-oxide-semiconductor Q4 and triode Q5, the first end of the resistance R11 connect with the source electrode of metal-oxide-semiconductor Q3 and by the tenth outer contact with it is defeated
Entering module connection, the second end of the resistance R11 connect with the first end of the first end of resistance R12, capacitor C3, and the of capacitor C3
One end also passes through the 11st outer contact and connect with control module, the second end of resistance R12 connect with the second end of capacitor C3 and with
The emitter of triode Q5 connects, and the emitter of triode Q5 is grounded setting；The base stage of triode Q5 and the first end of resistance R14
The second end of connection, resistance R14 is connect by the 12nd outer contact with control module；The collector and metal-oxide-semiconductor Q4 of triode Q5
Grid connection, the drain electrode of metal-oxide-semiconductor Q4 connect with the drain electrode of metal-oxide-semiconductor Q3, the drain electrode of metal-oxide-semiconductor Q3 also pass through the 13rd outer contact and
Boost module connection；The grid of metal-oxide-semiconductor Q3 is connect with the first end of resistance R13, the source electrode of metal-oxide-semiconductor Q4 and the second of resistance R13
End connection, the second end of resistance R13 also pass through the 14th outer contact and connect with battery module.
Preferably, the detection module include metal-oxide-semiconductor Q1, triode Q2, resistance R1, resistance R2, resistance R3, resistance R4 and
Capacitor C1, the first end of the resistance R1 is connect with the first end of capacitor C1 and the first end of resistance R1 is grounded, and the of resistance R1
Two ends are connect with the first end of resistance R2 and it also connect with the source electrode of metal-oxide-semiconductor Q1, and the of the second end of resistance R2 and capacitor C1
The connection of two ends and its also pass through the first outer contact and connect with control module, the grid of the metal-oxide-semiconductor Q1 pass through the second outer contact and
Control module connection, the drain electrode of the metal-oxide-semiconductor Q1 are connect by the outer contact of third with control module, and its drain also with resistance R3
First end connection, the second end of resistance R3 is connect with the first end of resistance R4 and it also connect with the base stage of triode Q2, electric
The second end of resistance R4 is connect with the emitter of triode Q2, and the collector of the triode Q2 passes through the 4th outer contact and control mould
Block connection.
The present invention also provides a kind of charge control methods, use charging unit as described above, the charge control side
Method the following steps are included:
Step S1: at least two charging unit laminations are connected；
Step S2: by the charging unit of charge power supply access lower layer；
Step S3: lower layer's charging unit detects whether it connect with upper layer charging unit, electrically connects when detecting that the two has
Step S5 is executed when connecing, it is no to then follow the steps S4；
Step S4: charge power supply charges to lower layer's charging unit；
Step S5: whether the current electric quantity of detection lower layer's charging unit is greater than threshold value, thens follow the steps if it is greater than threshold value
S6, it is no to then follow the steps S7；
Step S6: charge power supply charges to upper layer charging unit；And
Step S7: charge power supply charges to lower layer's charging unit.
Preferably, the charge control method further includes steps of upon step s 2
Step S21: whether detection charge power supply accesses, and executes step S22 when detecting charge power supply access, otherwise holds
Row step S23；
Step S22: the voltage and or current that detection charge power supply provides；And step S23: stop executing following step.
Preferably, in the step S7 lower layer's charging unit electricity be more than threshold value after continue to execute step S6.
Compared with prior art, charging unit of the invention, can be real when multiple laminations are arranged progress while charging
Now the preferential charging unit to positioned at upper layer charges, when user needs to charge to electronic equipment using charging unit
When, directly take the charging unit filled with positioned at upper layer away, and the charging unit for being located at its lower layer can continue to fill
Electricity not only realizes the optimum distribution of charge power, but also brings convenience to the use of people.
In addition, charging unit of the invention can prevent battery module from the case where over-discharge occur, it is ensured that battery module
Service life.
Compared with prior art, charge control method of the invention equally has the above advantages.
[Detailed description of the invention]
Fig. 1 is the modular structure schematic diagram of the charging unit of first embodiment of the invention.
Fig. 2 a is the perspective view of the charging unit of first embodiment of the invention.
Fig. 2 b is the bottom view of the charging unit of first embodiment of the invention.
Fig. 2 c is the schematic diagram of two charging unit laminations setting of first embodiment of the invention.
Fig. 3 is the schematic diagram of circuit connection structure of detection module in Fig. 1 of first embodiment of the invention.
Fig. 4 is the schematic diagram of circuit connection structure of input module in Fig. 1 of first embodiment of the invention.
Fig. 5 is the schematic diagram of circuit connection structure that circuit module is indicated in Fig. 1 of first embodiment of the invention.
Fig. 6 is the schematic diagram of circuit connection structure of PWM module in Fig. 1 of first embodiment of the invention.
Fig. 7 is the schematic diagram of circuit connection structure of battery management module in Fig. 1 of first embodiment of the invention.
Fig. 8 is the flow diagram of the charge control method of second embodiment of the invention.
Description of symbols: 10, charging unit；11, control module；12, input module；13, battery module；14, battery
Management module；15, PWM module；16, boost module；17, detection module；18, indicating circuit module；19, output module；171,
Second outer contact；173, the outer contact of third；175, the 4th outer contact；177, the first outer contact；121, the 6th outer contact；122,
One input port；123, the 5th outer contact；124, the second input port；181, the 7th outer contact；183, the 8th outer contact；185,
9th outer contact；151, the tenth outer contact；153, the 14th outer contact；155, the 11st outer contact；157, the 12nd outer contact；
159, the 13rd outer contact；141, battery protection chip.
[specific embodiment]
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, below in conjunction with attached drawing and embodiment,
The present invention will be described in further detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and
It is not used in the restriction present invention.
Referring to FIG. 1, the first embodiment of the present invention provides a kind of charging unit 10, the charging unit 10 includes control
Module 11, input module 12, PWM (modulation of Pulse width modulation pulse width) module 15, boost module 16, inspection
Module 17, output module 19, battery module 13 and battery management module 14 are surveyed, the input module 12 is used to connect with charge power supply
It connects, one end of the PWM module 15 is connect with input module 12, and the other end is connect with battery module 13, the battery management
Module 14 is connect with battery module 13, the charging electricity that the adjustable charge power supply of the PWM module 15 is passed through through input module 12
Stream, the battery management module 14 can control the charging and discharging state of management battery module 13 and detect the electricity of battery module 13
Amount.Described 16 one end of boost module is connect with battery module 13, and the other end is connect with output module 19, and the output module 19 is used
It is connect in electronic equipment to be charged, charging electricity of the adjustable output of boost module 16 to electronic equipment to be charged
Stream.The detection module 17 and output module 19, the detection module 17 can detecte output module 19 whether with electricity to be charged
Sub- equipment connection, while the output of output module 19 can also be detected to the charging current and/or charging electricity of electronic equipment to be charged
Pressure.The input module 12, PWM module 15, battery module 13, boost module 16, detection module 17 and battery management module 14
It is connect with control module 11.The electronic equipment to be charged can be mobile phone, tablet computer or charging unit of the invention
10, the charging unit 10 is mobile power source, the preferably mobile power source of wireless charging.It is appreciated that the control module 11
It preferably includes to control chip for FM001, the boost module 16 is preferably FP6298SOP8 type DC-DC chip, the cell tube
Manage module 14 include but is not limited to battery module charging control circuit, battery module electric quantity detecting circuit, additives for overcharge protection circuit,
One of over-discharge protection circuit, current foldback circuit, short-circuit protection circuit are a variety of.It is appreciated that the boost module
16 can be omitted, and charging current is directly over the output of output module 19.In addition, the PWM module 15 can be omitted.
The control module 11 can detecte charge power supply and connect with input module 12, in addition, control module 11 may be used also
To detect charging voltage and/or charging current provided by charge power supply, therefore, it is determined that charge power provided by charge power supply.
The control module 11 can control the charging current that 15 de-regulation charge power supply of PWM module is inputted through input module 12.It is described
Control module 11 can also control the working condition of boost module 16, such as: work is opened, stops working, adjust boosting multiple
Deng the charging voltage and/or charging current exported so as to adjust output module 19.The detection module 17 can detecte to be charged
Whether electronic equipment connect with output module 19 and generates feedback signal transmission to control module 11, when detection module 17 detects
When electronic equipment to be charged is connect with output module 19, detection module 17 can also detect the output of output module 19 to electricity to be charged
The charging voltage and/or charging current of sub- equipment simultaneously generate feedback signal and pass to control module 11.The battery management module
14 can detecte the current electric quantity of battery module 13 and generate feedback signal and pass to control module 11, and control module 11 is according to this
Feedback signal controls the working condition of boost module 16, and controls whether battery management module 14 charges to battery module 13.
In addition, the charging unit 10 further includes indicating circuit module 18, the indicating circuit module 18 and control module
11 connections, the battery management module 14 can real-time detection battery module 13 current electric quantity and generate feedback signal and pass to control
Molding block 11, the control module 11 learn the current power state and control instructions electricity of battery module 13 according to the feedback signal
The corresponding light for issuing different colours of road module 18.For example, controlling mould when the electricity of charge power supply is lower than the 10% of quota electricity
11 control instructions circuit module 18 of block issues red light；When the electricity of charge power supply is higher than 10% and is lower than 100%, control
The light of 11 control instructions circuit module of module, 18 module sending orange；When charging unit 10 itself is fully charged, control module 11
Control instructions circuit module 18 issues the light of green.In the present invention, indicating circuit module 18 issues different light and represents difference
State of charge, the color of the light issued under different charged states can be set, it is not limited here.
Please also refer to Fig. 2 a, Fig. 2 b and Fig. 2 c, the upper surface of charging unit of the invention is provided with pogopin, following table
Face is provided with conductive contact, and charging unit 10 of the invention stacked on top of one another can charge, lower layer's charging unit 10
The conductive contact of pogopin and upper layer charging unit 10 is electrically connected.Charge power supply is linked into lower layer's charging unit 10.(this
The nouns of locality equal up and down mentioned in invention are only limitted to the relative position in given view, rather than absolute position, Ke Yili
Solution, after given view planar carries out 180 ° of rotations, position word "lower" can replace with position word "upper".)
Multiple 10 laminations of charging unit are arranged, the charge power supply is linked into the charging unit 10 of the bottom,
Its detection module 17 can detecte whether output module 19 connect with upper one layer of charging unit 10 and generate feedback signal transmission
To control module 11.When detection module 17 detects that output module 19 is not connect with upper one layer of charging unit 10, the inspection
It surveys module 17 and generates feedback signal transmission to control module 11, control module 11 controls boost module 16 according to the feedback signal and stops
It only works, at this point, charge power supply only charges to the battery module 13 of the charging unit 10 of the bottom.When detection module 17 is examined
When measuring output module 19 and connecting with upper one layer of charging unit 10, detection module 17 generates feedback signal transmission to control module
11, meanwhile, the battery management module 14 of the charging unit 10 of the bottom can detecte the battery module of bottom charging unit 10
13 current electricity, and generate feedback signal and be transferred to control module 11, a threshold value, example are preset in the control module 11
Such as threshold value is the 10% of quota electricity, when the current electricity of the battery module 13 of bottom charging unit 10 is lower than the threshold value
When, the control module 11 controls boost module 16 and stops working, and controls battery management module 14 and charge to battery module 13,
At this point, charge power supply only gives the battery module 13 of bottom charging unit 10 to charge.When the current electricity of battery module 13 is more than
When the threshold value, the control module 11 controls boost module 16 and opens work, meanwhile, the control module 11 issues control signal
Stop charging to the battery module 13 of bottom charging unit 10 to battery management module 14, the electric current of charge power supply input is whole
It is supplied to upper layer charging unit 10 by boost module 16, output module 19, at this point, charge power supply only gives one layer of charging unit
10 chargings.When the battery module 13 of upper one layer of charging unit 10 is fully charged, the detection module 17 of next layer of charging unit 10
It can detecte the output of output module 19 to be zero to the charging voltage and/or charging current of upper one layer of charging unit 10 or approach
Zero, detection module 17 generates feedback signal transmission to control module 11, and control module 11 controls boosting mould according to the feedback signal
Block 16 stops working, at this point, charge power supply starts to charge to the battery module 13 of next layer of charging unit 10.In cycles, directly
Charging is completed to all charging units 10 being arranged to lamination.It is appreciated that in the present invention, " multiple " refer at least two
It is a.
It not only may be implemented preferentially to charge to the charging unit 10 positioned at upper layer in this way, but also ensured the bottom simultaneously
The battery module 13 of charging unit 10 is not in over-discharge, it is ensured that the service life of battery module 13, when user needs to make
When being charged with charging unit 10 to electronic equipment, directly take away positioned at top layer the charging unit 10 filled with i.e.
Can, and the charging unit 10 for being located at its lower layer can continue to charge, and not only realize the optimum distribution of charge power, ensure
The service life of battery module, and convenience is brought to the use of people.
Referring to FIG. 3, the detection module 17 includes metal-oxide-semiconductor Q1, triode Q2, resistance R1, resistance R2, resistance R3, electricity
R4 and capacitor C1 is hindered, the first end of the resistance R1 is connect with the first end of capacitor C1 and the first end of resistance R1 is grounded, resistance
The second end of R1 is connect with the first end of resistance R2 and it also connect with the source electrode of metal-oxide-semiconductor Q1, the second end and capacitor of resistance R2
The second end of C1 connects and it also passes through the first outer contact 177 and connect with control module 11, and the grid of the metal-oxide-semiconductor Q1 passes through the
Two outer contacts 171 are connect with control module 11, and the drain electrode of the metal-oxide-semiconductor Q1 is connected by the outer contact 173 of third with control module 11
Connect, and its drain electrode is also connect with the first end of resistance R3, the second end of resistance R3 connect with the first end of resistance R4 and its also with
The base stage of triode Q2 connects, and the second end of resistance R4 is connect with the emitter of triode Q2, the collector of the triode Q2
It is connect by the 4th outer contact 175 with control module 11.It is appreciated that the model of the resistance R1 is preferably 0.05R1%
1812, the model of the resistance R2 is preferably 1K5%0603, and the model of the resistance R3 is preferably 1K5%0603, the resistance
The model of R4 is preferably 100K5%0603, and the model of the metal-oxide-semiconductor Q1 is preferably IT3400SOT-23, the triode Q2's
Model is preferably 8050, and the model of the capacitor C1 is preferably 0.1uF0603.
Referring to FIG. 4, the input module 12 include first input port 122, the second input port 124, diode D1,
Diode D2, resistance R5, resistance R6, resistance R7, capacitor C2, the first input port 122 include two V+ pins and one
GND pin, second input port 124 include tetra- pins of V+, D+, D-, GND, the GND of the first input port 122
Pin connect and is grounded with the GND pin of the second input port 124, two V+ pins of the first input port 122 with
The anode of diode D1 is connected, and the cathode of the diode D1 passes through the 5th outer contact 123 after connecting with the cathode of diode D2
It is connect with control module 11, V+ pin and the anode of diode D2, the first end of resistance R5 of second input port 124 connect
It connects, the second end of resistance R5 is connect with the first end of the first end of resistance R6 and resistance R7, the second end and capacitor C2 of resistance R6
Second end connection and be grounded, the second end of resistance R7 connect with the first end of capacitor C2 and by the 6th outer contact 121 and controls
Molding block 11 connects.It is appreciated that the first input port 122 can only retain a V+ pin, second input terminal
D+, D- pin of mouth 124 can be omitted.The model of the diode D1 and diode D2 is preferably B340A, the resistance R5
Model be preferably 5.6K1%0603, the model of the resistance R6 is preferably 2.4K1%0603, and the model of the resistance R7 is excellent
It is selected as 1K5%0603, the model of the capacitor C2 is preferably 0.1uF0603.
Referring to FIG. 5, the indicating circuit module 18 includes three branches, every branch road is in series with one luminous two
The excitation current of pole pipe and a resistance, each light emitting diode is different, and the effect of the resistance is to reduce light-emitting diodes
The voltage at pipe both ends, the resistance of different resistance value sizes can make the size of current for flowing through light emitting diode different, so as to so that hair
The light of optical diode sending different colours.The control module 11 controls in three branches according to the current state of battery module 13
The connection of a branch, so that indicating circuit module 18 be made to issue the light of corresponding with 13 current state of battery module color.
For example, the branch road in three branches is in series with light emitting diode D3 and resistance R8, the anode of the light emitting diode D3
It is connect by the 7th outer contact 181 with control module 11, the cathode of the light emitting diode D3 is connect with resistance R8, the resistance
The model 200R5%0603 of R8 sends out the light of orange when this branch is connected to；Another branch road is in series with light emitting diode D4
It is connect by the 8th outer contact 183 with control module 11 with the anode of resistance R9, the light emitting diode D4, the light-emitting diodes
The cathode of pipe D4 is connect with resistance R9, the model 2K5%0603 of the resistance R9, the light of this branch rubescent color when being connected to；
Another branch road is in series with light emitting diode D5 and the anode of resistance R10, the light emitting diode D5 pass through the 9th outer contact
185 connect with control module 11, and the cathode of the light emitting diode D5 is connect with resistance R10, the model of the resistance R10
200R5%0603, the light of green-emitting when this branch is connected to.The model of the light emitting diode D3 is preferably ORANGE0603,
The model of the light emitting diode D4 is preferably RED0603, and the model of the light emitting diode D5 is preferably GREEN0603.
Referring to FIG. 6, the PWM module 15 includes resistance R11, resistance R12, resistance R13, resistance R14, capacitor C3, MOS
Pipe Q3, metal-oxide-semiconductor Q4 and triode Q5, the first end of the resistance R11 connect with the source electrode of metal-oxide-semiconductor Q3 and by the tenth outer contacts
151 connect with input module 12, and the second end of the resistance R11 is connect with the first end of the first end of resistance R12, capacitor C3,
The first end of capacitor C3 also passes through the 11st outer contact 155 and connect with control module 11, and the second end of resistance R12 is with capacitor C3's
Second end is connected and is connect with the emitter of triode Q5 ground connection.The base stage of triode Q5 is connect with the first end of resistance R14, electricity
The second end of resistance R14 is connect by the 12nd outer contact 157 with control module 11.The collector of triode Q5 is with metal-oxide-semiconductor Q4's
Grid connection, the drain electrode of metal-oxide-semiconductor Q4 are connect with the drain electrode of metal-oxide-semiconductor Q3, and the drain electrode of metal-oxide-semiconductor Q3 also passes through the 13rd outer contact 159
It is connect with boost module 16.The grid of metal-oxide-semiconductor Q3 is connect with the first end of resistance R13, and the source electrode of metal-oxide-semiconductor Q4 is with resistance R13's
Second end connection, the second end of resistance R13 also pass through the 14th outer contact 153 and connect with battery module 13.It is appreciated that described
The model of resistance R11 is preferably 20K5%0603, and the model of the resistance R12 is preferably 100K5%0603, the resistance R13
Model be preferably 10K5%0603, the model of the resistance R14 is preferably 2K5%0603, the metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4
Model is preferably IT3401SOT-23, and the model of the capacitor C3 is preferably 0.1uF0603, and the model of the triode Q5 is excellent
It is selected as 8050.
Referring to FIG. 7, the battery management module 14 includes battery protection chip 141 and two double metal-oxide-semiconductor Q6, the electricity
There are six pins on pond protection chip 141, wherein No. 1 pin is control of discharge output end, No. 2 pins are charge/discharge current inspection
Input terminal is surveyed, No. 3 pins are charge control output end, and No. 4 pins do not connect, and No. 5 pins are power input, and No. 6 pins are electricity
Source ground terminal.No. 5 pins of battery protection chip 141 are connect with the anode of battery module 13, No. 6 pins and battery module 13
Cathode connection, No. 3 pins are connect with No. 4 pins of two double metal-oxide-semiconductor Q6, No. 3 pins of No. 2 pins and two double metal-oxide-semiconductor Q6
Connection, No. 1 pin are connect with No. 6 pins of two double metal-oxide-semiconductor Q6, two No. 2 pins connection of two couples of metal-oxide-semiconductor Q6, and two No. 5
Pin connection, two No. 1 pin connections, and No. 1 pin is additionally coupled to the cathode of battery module 13.It is appreciated that the metal-oxide-semiconductor
The quantity of Q6 can be only one.The battery protection chip 141 is preferably that DW01SOT-26 type protects chip, double metal-oxide-semiconductor Q6
Preferably S8205AG6-R type metal-oxide-semiconductor.
Referring to FIG. 8, second embodiment of the invention also provides a kind of charge control method, the charge control method is preferred
Applied to charging unit 10 as described above.The charge control method the following steps are included:
Step S1: at least two charging unit laminations are connected；
Step S2: will be in the charging unit of charge power supply access lower layer；
Step S3: whether detection charge power supply accesses, when detecting that charge power supply is linked into the charging unit of lower layer,
Step S41 is executed, it is no to then follow the steps S42；
Step S41: the voltage and or current that detection charge power supply provides；
Step S42: stop executing following step；
Step S5: lower layer's charging unit detects whether it connect with upper layer charging unit, when detecting lower layer's charging unit
When being electrically connected with upper layer charging unit, step S6 is executed, it is no to then follow the steps S51；
Step S51: charge power supply charges to lower layer's charging unit；
Step S6: lower layer's charging unit detects whether its current electric quantity is greater than threshold value, thens follow the steps if it is greater than threshold value
S7, it is no to then follow the steps S8；
Step S7: charge power supply charges to the charging unit on upper layer；And
Step S8: charge power supply charges to lower layer's charging unit.
It is appreciated that in the step S1, at least two charging unit is charging as in the first embodiment
Device 10 is that upper and lower lamination is arranged between at least two charging units.
It is appreciated that charge power supply, which can be, to be linked into undermost charging unit in the step S2,
In some embodiments, charge power supply can also be linked into and be located in the middle in charging unit, but in this case, charging electricity
Source can only charge to the charging unit itself and other charging units above the charging unit that it is accessed, and can not give position
Other charging units charging below the charging unit.
It is appreciated that lower layer's charging unit, which can detecte charge power supply, is after charge power supply accesses lower layer's charging unit
It is no to have access, when not detecting charge power supply access, then stop executing following step；When detecting that charge power supply connects
Fashionable, the charging voltage and/or charging current that charging unit can detecte charge power supply offer are to obtain charge power.It can be with
Understand, described step S3, S41, S42 can be omitted.
It is appreciated that in the step S5, access charge power supply charging unit detect its whether be positioned above
And the charging unit being connected directly is electrically connected, if the two is not electrically connected, charge power supply is filled directly to lower layer
The battery module of electric installation charges；If the two is electrically connected, step S6 is further executed.In addition, the step S5
It can be carried out simultaneously with step S3, or execute step S5 before step S3.
It is appreciated that whether the current electric quantity of the battery module of the charging unit of detection lower layer is greater than a threshold value, such as full
The 10% of volume electricity, if it is greater than the threshold value, then charge power supply charges directly to the charging unit on upper layer；If it is less than the threshold
Value, then charge power supply charges to lower layer's charging unit.
It is appreciated that in the step s 7, after charge power supply is fully charged to upper layer charging unit, upper layer charging unit with
It will disconnect connection between lower layer's charging unit, be back to step S5 again at this time, lower layer's charging unit detects upper layer charging unit
After disconnecting with it, charge power supply charges to lower layer's charging unit.
It is appreciated that the step S6 is synchronous to carry out while executing the step S8, when lower layer charges in step S6
Device detects that the electricity of lower layer's charging unit has been charged to a certain degree, that is, when reaching threshold value, then starts to execute step S7.
The charge control method that second embodiment of the invention provides, when the setting of at least two charging unit laminations is charged
When, may be implemented preferentially to charge to positioned at the charging unit 10 on upper layer, when user need it is right using charging unit 10
When electronic equipment is charged, the charging unit 10 filled with positioned at upper layer is directly taken away, and be located at its lower layer
Charging unit 10 can continue to charge, and not only realize the optimum distribution of charge power, but also bring to the use of people
It is convenient.
Compared with prior art, charging unit of the invention, can be real when multiple laminations are arranged progress while charging
Now the preferential charging unit to positioned at upper layer charges, when user needs to charge to electronic equipment using charging unit
When, directly take the charging unit filled with positioned at upper layer away, and the charging unit for being located at its lower layer can continue to fill
Electricity not only realizes the optimum distribution of charge power, but also brings convenience to the use of people.
In addition, charging unit of the invention can prevent battery module from the case where over-discharge occur, it is ensured that battery module
Service life.
Compared with prior art, charge control method of the invention equally has the above advantages.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in original of the invention
Made any modification within then, equivalent replacement and improvement etc. should all be comprising within protection scope of the present invention.
Claims (10)
1. a kind of charging unit, it is characterised in that: the charging unit includes input module, battery module, output module, detection
Module, battery management module and control module, the input module for connect with charge power supply, the output module for
Electronic equipment connection to be charged, the battery module are connect with input module, output module and battery management module, the inspection
It surveys module to connect with output module, the input module, battery module, detection module and battery management module are and control module
Connection, whether the detection module detection output module connect with electronic equipment to be charged, when detection module detects output mould
When block is not connect with electronic equipment to be charged, detection module generates feedback signal transmission to control module, control module according to
The feedback signal controls charge power supply and only charges to battery module；When detection module detects output module and electronics to be charged
When equipment connects, the current electric quantity of battery management module detection battery module simultaneously generates feedback signal transmission to control module, control
Molding block compares whether the current electric quantity of battery module is more than threshold value to determine to charge to battery module or to electricity to be charged
Sub- equipment charge.
2. charging unit as described in claim 1, it is characterised in that: the charging unit further comprises boost module,
One end is connect with battery module, and the other end is connect with output module, and is connect with control module, and the boost module is for improving
The output voltage and/or output electric current of output module.
3. charging unit as described in claim 1, it is characterised in that: the charging unit further comprises PWM module, described
PWM module one end is connect with input module, and the other end is connect with battery module, and is connect with control module, and the PWM module is used
In the charging current of adjustment charge power supply input.
4. charging unit as described in claim 1, it is characterised in that: when the current electric quantity that control module compares battery module is super
When crossing threshold value, control module control battery management module stops charging to battery module, and charge power supply only gives electronics to be charged
Equipment charge；When the current electric quantity that control module compares battery module is not above threshold value, control module controls battery management
Module opens battery module charging until the electricity of battery module is more than threshold value.
5. charging unit as described in claim 1, it is characterised in that: the control module can detect whether charge power supply accesses
And the charging current that detection charge power supply provides.
6. charging unit as claimed in claim 3, it is characterised in that: the PWM module includes resistance R11, resistance R12, electricity
The first end of R13, resistance R14, capacitor C3, metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q4 and triode Q5, the resistance R11 are hindered with metal-oxide-semiconductor Q3's
It source electrode connection and is connect with input module by the tenth outer contact, the first end of the second end of the resistance R11 and resistance R12,
The first end of capacitor C3 connects, and the first end of capacitor C3 also passes through the 11st outer contact and connect with control module, and the of resistance R12
Two ends connect with the second end of capacitor C3 and connect with the emitter of triode Q5, and the emitter of triode Q5 is grounded setting；Three
The base stage of pole pipe Q5 is connect with the first end of resistance R14, and the second end of resistance R14 is connected by the 12nd outer contact and control module
It connects；The collector of triode Q5 is connect with the grid of metal-oxide-semiconductor Q4, and the drain electrode of metal-oxide-semiconductor Q4 is connect with the drain electrode of metal-oxide-semiconductor Q3, metal-oxide-semiconductor
The drain electrode of Q3 also passes through the 13rd outer contact and connect with boost module；The grid of metal-oxide-semiconductor Q3 is connect with the first end of resistance R13,
The source electrode of metal-oxide-semiconductor Q4 is connect with the second end of resistance R13, and the second end of resistance R13 also passes through the 14th outer contact and battery mould
Block connection.
7. charging unit as described in claim 1, it is characterised in that: the detection module include metal-oxide-semiconductor Q1, triode Q2,
Resistance R1, resistance R2, resistance R3, resistance R4 and capacitor C1, the first end of the resistance R1 connect with the first end of capacitor C1 and
The first end of resistance R1 is grounded, and the second end of resistance R1 is connect with the first end of resistance R2 and it also connects with the source electrode of metal-oxide-semiconductor Q1
It connects, the second end of resistance R2 is connect with the second end of capacitor C1 and it also passes through the first outer contact and connect with control module, described
The grid of metal-oxide-semiconductor Q1 is connect by the second outer contact with control module, and the drain electrode of the metal-oxide-semiconductor Q1 passes through the outer contact of third and control
The connection of molding block, and its drain electrode is also connect with the first end of resistance R3, the second end of resistance R3 is connect with the first end of resistance R4
And it also connect with the base stage of triode Q2, the second end of resistance R4 is connect with the emitter of triode Q2, the triode Q2
Collector connect with control module by the 4th outer contact.
8. a kind of charge control method is used such as the described in any item charging units of claim 1-7, the charge control
Method the following steps are included:
Step S1: at least two charging unit laminations are connected；
Step S2: by the charging unit of charge power supply access lower layer；
Step S3: lower layer's charging unit detects whether it connect with upper layer charging unit, when detecting that the two has electric connection
Step S5 is executed, it is no to then follow the steps S4；
Step S4: charge power supply charges to lower layer's charging unit；
Step S5: whether the current electric quantity of detection lower layer's charging unit is greater than threshold value, thens follow the steps S6 if it is greater than threshold value, no
Then follow the steps S7；
Step S6: charge power supply charges to upper layer charging unit；And step S7: charge power supply charges to lower layer's charging unit.
9. charge control method as claimed in claim 8, it is characterised in that: the charge control method upon step s 2 into
One step the following steps are included:
Step S21: whether detection charge power supply accesses, and executes step S22 when detecting charge power supply access, otherwise executes step
Rapid S23；
Step S22: the voltage and or current that detection charge power supply provides；And
Step S23: stop executing following step.
10. charge control method as claimed in claim 8, it is characterised in that: the electricity of lower layer's charging unit in the step S7
Amount be more than threshold value after continue to execute step S6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371243.4A CN110391680A (en) | 2018-04-23 | 2018-04-23 | Charging unit and charge control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810371243.4A CN110391680A (en) | 2018-04-23 | 2018-04-23 | Charging unit and charge control method |
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| CN110391680A true CN110391680A (en) | 2019-10-29 |
Family
ID=68284722
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| CN201810371243.4A Pending CN110391680A (en) | 2018-04-23 | 2018-04-23 | Charging unit and charge control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113320433A (en) * | 2021-06-02 | 2021-08-31 | 天津云圣智能科技有限责任公司 | Unmanned aerial vehicle battery management system and management method |
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