CN110365075A - A kind of battery charger and method - Google Patents
A kind of battery charger and method Download PDFInfo
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- CN110365075A CN110365075A CN201910606276.7A CN201910606276A CN110365075A CN 110365075 A CN110365075 A CN 110365075A CN 201910606276 A CN201910606276 A CN 201910606276A CN 110365075 A CN110365075 A CN 110365075A
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- rechargeable battery
- voltage value
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- electric current
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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
- H02J7/00711—Regulation of charging or discharging current or voltage with introduction of pulses during the charging process
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
This application discloses a kind of battery charger and methods, it is charged by converting unidirectional pulse electric current for the electric current of constant-current supply to rechargeable battery, solves the technical issues of low to rechargeable battery charging reliability using constant-current supply, can not to be full of and reduce battery life.Due to being charged using unidirectional pulse electric current to rechargeable battery, and the variation of the voltage value according to rechargeable battery changes the duty ratio of unidirectional pulse electric current, so that the cycle-index of rechargeable battery and service life are guaranteed.
Description
Technical field
The present invention relates to the charging technique fields of rechargeable battery, and in particular to a kind of battery charger and method.
Background technique
Rechargeable battery plays increasingly important role in the production and living of people at present, correct good charging method
It may insure the service life of rechargeable battery.How can preferably charge to rechargeable battery, and then reduce the damage to battery, to prolong
It is long and guarantee that battery life just becomes people always the consideration and solution the technical issues of.
Summary of the invention
The present invention provides the charging method and device of a kind of rechargeable battery, is carried out in the prior art to rechargeable battery with optimizing
The deficiency of charging.
According in a first aspect, a kind of charging unit of rechargeable battery, comprising:
Power supply, for providing constant current；
Power supply module connects to power supply, for converting the output of unidirectional pulse electric current for the constant current, to be described
Rechargeable battery charging；
Electric voltage observation circuit is connect with the rechargeable battery, for monitoring the voltage value of the rechargeable battery；
Control module is connect with the power supply module and the electric voltage observation circuit respectively, for supervising according to the voltage
The voltage value that slowdown monitoring circuit is monitored controls the duty ratio of the unidirectional pulse electric current of the power supply module output.
Further, the power supply module includes first switch tube, second switch and load；
The positive or negative pole of the power supply is connect by first switch tube with the positive or negative pole of the rechargeable battery；
Second switch and connected in series with the load are between the positive electrode and negative electrode of the constant-current source；
The control module includes controller, which connect with first switch tube and second switch, for distinguishing
The switch state of first switch tube and second switch is controlled, is accounted for controlling the unidirectional pulse electric current of power supply module output
Empty ratio；
When controller control first switch tube conducting, the power supply module output constant current is the charging electricity
Pond charging；
When controller control first switch tube is closed, the power supply module stops being that the rechargeable battery charges.
Further, the electric voltage observation circuit is connected between the anode and cathode of the rechargeable battery, for monitoring
State the voltage value of rechargeable battery；The electric voltage observation circuit is also connect with the controller, the charging electricity for that will monitor
The voltage value in pond is sent to the controller.
Further, first switch tube is field-effect tube Q1；And/or second switch is field-effect tube Q2；
The source electrode of field-effect tube Q1 is connect with the anode of the constant-current source, the drain electrode of field-effect tube Q1 and the rechargeable battery
Anode connection, the grid of field-effect tube Q1 connect with the controller；
The grid of field-effect tube Q2 is connect with the controller；
The source electrode of field-effect tube Q2 is connect with one end of the load, the leakage of the other end and field-effect tube Q2 of the load
Pole is connected between the anode and cathode of the constant-current source.
Further, the load includes resistance, capacitor and/or LED light.
Further, when controller control first switch tube conducting, while second switch closing is controlled, being used for will
The electric current of the constant-current source output is rechargeable battery charging；
When controller control first switch tube is closed, while second switch opening is controlled, for stopping as institute
Rechargeable battery charging is stated, and the electric current that the constant-current source is exported is the load supplying.
Further, when the voltage value of the rechargeable battery is less than the first voltage value, the controller controls the power supply
Module exports the unidirectional pulse electric current of the first duty ratio as rechargeable battery charging；
When the voltage value of the rechargeable battery is between the first voltage value and second voltage value, the controller control
The power supply module exports constant electric current as rechargeable battery charging；
When the voltage value of the rechargeable battery is greater than second voltage value, the controller controls the power supply module output
The unidirectional pulse electric current of second duty ratio is rechargeable battery charging.
Further, second duty ratio and the voltage value of the rechargeable battery are inversely proportional.
According to second aspect, a kind of charging method of rechargeable battery, comprising:
It is charged using constant-current supply to the rechargeable battery；
Monitor the voltage value of the rechargeable battery；
When the voltage value of the rechargeable battery is less than the first voltage value, first is converted by the electric current of the constant-current source and is accounted for
The unidirectional pulse electric current of empty ratio is rechargeable battery charging；
When the voltage value of the rechargeable battery is between the first voltage value and second voltage value, with the constant-current source
Electric current is rechargeable battery charging；
When the voltage value of the rechargeable battery is greater than second voltage value, the electric current of the constant-current source is converted into the second duty
The unidirectional pulse electric current of ratio is rechargeable battery charging.
Further, second duty ratio and the voltage value of the rechargeable battery are inversely proportional.
The charging method and device of a kind of rechargeable battery according to above-described embodiment, by converting the electric current of constant-current supply
It charges for unidirectional pulse electric current to rechargeable battery, solves, the Wu Fachong low to rechargeable battery charging reliability using constant-current supply
The technical issues of full and reduction battery life.Due to being charged using unidirectional pulse electric current to rechargeable battery, and according to rechargeable battery
Voltage value variation change unidirectional pulse electric current duty ratio so that the cycle-index of rechargeable battery and service life are guaranteed.
Detailed description of the invention
Fig. 1 is a kind of rechargeable battery charging curve schematic diagram；
Fig. 2 is a kind of circuit diagram of emergency LED lamp；
Fig. 3 is a kind of structural schematic diagram of the charging unit of rechargeable battery in embodiment；
Fig. 4 is a kind of structural schematic diagram of the charging unit of rechargeable battery in embodiment；
Fig. 5 is a kind of circuit diagram of the charging unit of rechargeable battery in embodiment；
Fig. 6 is a kind of charging current timing diagram of rechargeable battery in embodiment.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
As shown in Figure 1, being a kind of rechargeable battery charging curve schematic diagram, battery charging generally divides three phases, is respectively
Trickle, constant current and constant pressure.Guarantee circulating battery number and service life that only could be best by this charging flow.Its charging current one
As for 1C or 0.5C (1C refers to that charging current is identical with battery capacity, and 0.5C refers to that charging current is battery capacity half).It is filling
In the charging unit of battery, VCC pin voltage rises to UVLO threshold level or more and is connected between PROG pin and ground
Setting resistance that one precision is 1% or when a battery is connected with charger output end.One charging cycle of charging unit
Detailed process includes:
If BAT pin level is lower than 2.9V, charging unit enters trickle mode, and charging unit provides the charging of about 0.1C
Electric current is to rechargeable battery, first to promote cell voltage to a safety level, thus to realize that full electric current charging is prepared.
When BAT pin voltage rises to 2.9V or more, charging unit enters constant current mode, and charging unit is mentioned to battery at this time
For constant charging current.
When BAT pin voltage reaches final float charge voltage 4.2V, charging unit enters constant-voltage charge mode, and the electricity that charges
Stream starts to reduce.
When charging current is down to the 1/10 of charging current value initially set, charging cycle terminates.Because of constant-current supply
The size of charging current can not be changed, so not being able to satisfy the requirement of battery charging curve shown in FIG. 1, therefore constant-current supply one
As will not be as the preferred power supply of rechargeable battery, the battery capacity after will appear charging if using constant-current supply is insufficient.Separately
Outside during the charging process, since the voltage of rechargable battery battery is with the extension in charging time, the voltage of rechargeable battery is also continuously increased,
Necessarily lead to the uncontrollable of the charging current of rechargeable battery.
It is to charge using constant-current source to rechargeable battery as shown in Fig. 2, being a kind of circuit diagram of emergency LED lamp.When having
When external power supply inputs (when alternating current has electricity), LED drives G1 constant-current supply to work normally, one group of LED light (n1 lamp to nN lamp)
It lights, while charging for rechargeable battery V1.After alternating current power-off, EN control chip G2 control LED light n is lighted.
The charging method and device of a kind of rechargeable battery are provided in embodiments of the present invention, by by the electric current of constant-current supply
It is converted into unidirectional pulse electric current to charge to rechargeable battery, solves, the nothing low to rechargeable battery charging reliability using constant-current supply
The technical issues of method is full of and reduces battery life.Due to being charged using unidirectional pulse electric current to rechargeable battery, and according to charging
The variation of the voltage value of battery changes the duty ratio of unidirectional pulse electric current, so that the cycle-index of rechargeable battery and service life are protected
Card.
Embodiment one
It referring to figure 3., is a kind of structural schematic diagram of the charging unit of rechargeable battery in embodiment, including power supply 10, confession
Electric module 20, control module 30, electric voltage observation circuit 40 and rechargeable battery 50.Power supply 10 is for providing constant current.Power supply mould
Block 20 is connect with power supply 10, for converting the output of unidirectional pulse electric current for constant current, for the charging of rechargeable battery 50.Voltage
Observation circuit 40 is connect with rechargeable battery 50, for monitoring the voltage value of rechargeable battery 50.Control module 30 respectively with power supply mould
Block 20 and electric voltage observation circuit 40 connect, and the voltage value of the rechargeable battery 50 for monitoring according to electric voltage observation circuit 40, which controls, to be supplied
The duty ratio for the unidirectional pulse electric current that electric module 20 exports.
It referring to figure 4., is a kind of structural schematic diagram of the charging unit of rechargeable battery in embodiment, including constant-current source 11,
First switch tube 21, second switch 22, load 23, controller 31, electric voltage observation circuit 40 and rechargeable battery 50.One embodiment
In, power supply module 20 includes first switch tube 21, second switch 22 and load 23.In one embodiment, power supply 10 is constant-current source
11, the positive or negative pole of the constant-current source 11 is connect by first switch tube 21 with the positive or negative pole of rechargeable battery 50.Second opens
It closes pipe 22 and load 23 is connected in series between the positive electrode and negative electrode of constant-current source 11.Control module 30 includes controller 31, the control
Device 31 processed is connect with first switch tube 21 and second switch 22, for controlling first switch tube 21 and second switch 22 respectively
Switch state, with control power supply module 20 output unidirectional pulse electric current duty ratio.In one embodiment, when controller 31 is controlled
When first switch tube 32 processed is connected, power supply module 20 exports constant current as the charging of rechargeable battery 50.When the control of controller 31 the
When one switching tube 21 is closed, power supply module 20 stops being that rechargeable battery 50 charges.Electric voltage observation circuit 40, the electric voltage observation circuit
40 are connected between the anode and cathode of rechargeable battery 50, for monitoring the voltage value of rechargeable battery 50.Electric voltage observation circuit 40
It is also connect with controller 31, for the voltage value of the rechargeable battery 50 of monitoring to be sent to controller 31.
In one embodiment, when controller 31, which controls first switch tube 21, to be connected, while the closing of second switch 22 is controlled,
Electric current for exporting constant-current source 11 is that rechargeable battery 50 charges.When controller 31, which controls first switch tube 21, closes, together
When control second switch 22 open, for stop be rechargeable battery 50 charge, and the electric current that constant-current source 11 is exported be load
23 power supplies.When the voltage value of rechargeable battery 50 is less than the first voltage value, controller 31 controls the output of power supply module 20 first and accounts for
The unidirectional pulse electric current of empty ratio is the charging of rechargeable battery 50.When the voltage value of rechargeable battery 50 is between the first voltage value and the second electricity
When between pressure value, controller 31 controls power supply module 20 and exports constant electric current as the charging of rechargeable battery 50.When rechargeable battery 50
Voltage value be greater than second voltage value when, controller 31 control power supply module 20 export the second duty ratio unidirectional pulse electric current be
Rechargeable battery 50 charges.In one embodiment, the second duty ratio is a changing value, is become with the becoming larger for voltage value of rechargeable battery 50
Small, i.e. the second duty ratio and the voltage value of rechargeable battery 50 are inversely proportional.
It referring to figure 5., is a kind of circuit diagram of the charging unit of rechargeable battery in embodiment, including field-effect tube
Q1, field-effect tube Q2, resistance R1, Micro-processor MCV, constant-current source U1, voltmeter V and rechargeable battery V1.In one embodiment, first
Switching tube is field-effect tube Q, and second switch is field-effect tube Q2, and it is resistance that controller 31, which is Micro-processor MCV, load 23,
R1.The source electrode of field-effect tube Q1 is connect with the anode of constant-current source U1, and the drain electrode of field-effect tube Q1 and the anode of rechargeable battery V1 connect
It connects, the grid of field-effect tube Q1 is connect with controller 31 (i.e. Micro-processor MCV).The grid and controller 31 of field-effect tube Q2 connects
It connects.The source electrode of field-effect tube Q2 is connect with one end of 23 (i.e. resistance R1) of load, loads the other end and the field of 23 (i.e. resistance R1)
The drain electrode of effect pipe Q2 is connected between the anode and cathode of constant-current source U1.In one embodiment, load 23 can also include
Resistance, capacitor and/or LED light.
In charging circuit shown in Fig. 5, wherein I0For the electric current of constant-current source output, I1For the charging current of rechargeable battery,
I2For the electric current on load resistance R1, foundation Kirchhoff's current law (KCL) I0=I1+I2.The fundamental characteristics of constant-current source is output electricity
Flow invariable, output voltage can change.Micro-processor MCV monitors charged battery voltage by voltmeter and determines field-effect tube
The on state of Q1 and field-effect tube Q2 control electric current I1With electric current I2Flow direction, to guarantee I0Always constant, and then can tie up
Hold the fundamental characteristics of constant-current source U1.
In one embodiment, the turn-on time that Micro-processor MCV adjusts field-effect tube Q1 adjusts charging current I1, to set
Trickle, constant current and constant voltage process extend battery cycle life and reliable to meet the fundamental characteristics of battery charging, and then meet
The characteristics such as property.
A kind of charging method of rechargeable battery is also disclosed in the embodiment of the present application, using constant-current supply to rechargeable battery into
Row charging, and monitor the voltage value of rechargeable battery.Fig. 6 is please referred to, is a kind of charging current timing of rechargeable battery in embodiment
Scheme, wherein I0For the electric current of constant-current source output, I1For the charging current of rechargeable battery, I2For the electric current in load, VBATFor monitoring
Rechargeable battery voltage value.
As the voltage value V of rechargeable batteryBATWhen less than the first voltage value, charging enters trickle mode, and charging unit is by constant current
The electric current I in source0It is converted into the unidirectional pulse electric current I of the first duty ratio1For rechargeable battery charging.
As the voltage value V of rechargeable batteryBATWhen between the first voltage value and second voltage value, charging enters constant current mould
Formula, charging unit is with the electric current I of constant-current source0For rechargeable battery charging.
As the voltage value V of rechargeable batteryBATWhen greater than second voltage value, charging enters constant-voltage charge mode, by constant-current source
Electric current converts the unidirectional pulse electric current I of the second duty ratio1For rechargeable battery charging, and set the second duty ratio as a changing value,
With the voltage value V of rechargeable batteryBATBecome larger and become smaller, i.e. the voltage value V of the second duty ratio and rechargeable batteryBATIt is inversely proportional.
In one embodiment, the first voltage value is set as 2.9 volts, and second voltage value is set as 4.1V.When trickle mode, setting
Unidirectional pulse electric current I1The first duty ratio between 0-10%, preferably 10%.When the voltage of rechargeable battery reaches 4.1V, fill
Electric installation starts to control field-effect tube Q1 conducting, unidirectional pulse electric current I1Duty ratio with rechargeable battery voltage value VBAT
Smaller, duty ratio and voltage value V closer to 4.2VBATBe inversely proportional linear relationship.The voltage V of rechargeable batteryBATReach 4.2V, stops
Only charge.As the voltage value V of self-discharge of batteryBAT is returnedWhen to 4.05V, charging unit restarts charge function.
In an embodiment of the present invention, rechargeable battery is filled by converting unidirectional pulse electric current for the electric current of constant-current supply
Electricity solves the technical issues of low to rechargeable battery charging reliability using constant-current supply, can not to be full of and reduce battery life.
Due to being charged using unidirectional pulse electric current to rechargeable battery, and the variation of the voltage value according to rechargeable battery changes unidirectional pulse electricity
The duty ratio of stream, so that the cycle-index of rechargeable battery and service life are guaranteed.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (10)
1. a kind of charging unit of rechargeable battery characterized by comprising
Power supply, for providing constant current；
Power supply module connects to power supply, for converting the output of unidirectional pulse electric current for the constant current, for the charging
Battery charging；
Electric voltage observation circuit is connect with the rechargeable battery, for monitoring the voltage value of the rechargeable battery；
Control module is connect with the power supply module and the electric voltage observation circuit respectively, for according to the voltage monitoring electricity
The voltage value that road is monitored controls the duty ratio of the unidirectional pulse electric current of the power supply module output.
2. device as described in claim 1, which is characterized in that the power supply module include first switch tube, second switch and
Load；
The positive or negative pole of the power supply is connect by first switch tube with the positive or negative pole of the rechargeable battery；
Second switch and connected in series with the load are between the positive electrode and negative electrode of the constant-current source；
The control module includes controller, which connect with first switch tube and second switch, for controlling respectively
The switch state of first switch tube and second switch, to control the duty of the unidirectional pulse electric current of the power supply module output
Than；
When controller control first switch tube conducting, the power supply module output constant current is that the rechargeable battery fills
Electricity；
When controller control first switch tube is closed, the power supply module stops being that the rechargeable battery charges.
3. device as claimed in claim 2, which is characterized in that the electric voltage observation circuit is connected to the anode of the rechargeable battery
Between cathode, for monitoring the voltage value of the rechargeable battery；The electric voltage observation circuit is also connect with the controller, is used
In the voltage value of the rechargeable battery of monitoring is sent to the controller.
4. device as claimed in claim 2, which is characterized in that first switch tube is field-effect tube Q1；And/or second switch
It is field-effect tube Q2；
The source electrode of field-effect tube Q1 is connect with the anode of the constant-current source, and the drain electrode of field-effect tube Q1 and the rechargeable battery are just
Pole connection, the grid of field-effect tube Q1 are connect with the controller；
The grid of field-effect tube Q2 is connect with the controller；
The source electrode of field-effect tube Q2 is connect with one end of the load, the drain electrode point of the other end and field-effect tube Q2 of the load
It is not connected between the anode and cathode of the constant-current source.
5. device as claimed in claim 2, which is characterized in that the load includes resistance, capacitor and/or LED light.
6. device as claimed in claim 2, which is characterized in that when controller control first switch tube conducting, same to time control
Second switch processed is closed, and the electric current for exporting the constant-current source is rechargeable battery charging；
When controller control first switch tube is closed, while second switch opening is controlled, is filled for stopping to be described
Battery charging, and the electric current that the constant-current source is exported is the load supplying.
7. device as claimed in claim 2, which is characterized in that when the voltage value of the rechargeable battery is less than the first voltage value,
The controller controls the power supply module and exports the unidirectional pulse electric current of the first duty ratio as rechargeable battery charging；
When the voltage value of the rechargeable battery is between the first voltage value and second voltage value, described in the controller control
Power supply module exports constant electric current as rechargeable battery charging；
When the voltage value of the rechargeable battery is greater than second voltage value, the controller controls the power supply module output second
The unidirectional pulse electric current of duty ratio is rechargeable battery charging.
8. device as claimed in claim 7, which is characterized in that the voltage value of second duty ratio and the rechargeable battery is at anti-
Than.
9. a kind of charging method of rechargeable battery characterized by comprising
It is charged using constant-current supply to the rechargeable battery；
Monitor the voltage value of the rechargeable battery；
When the voltage value of the rechargeable battery is less than the first voltage value, the first duty ratio is converted by the electric current of the constant-current source
Unidirectional pulse electric current be the rechargeable battery charging；
When the voltage value of the rechargeable battery is between the first voltage value and second voltage value, with the electric current of the constant-current source
For rechargeable battery charging；
When the voltage value of the rechargeable battery is greater than second voltage value, the electric current of the constant-current source is converted into the second duty ratio
Unidirectional pulse electric current is rechargeable battery charging.
10. method as claimed in claim 9, which is characterized in that the voltage value of second duty ratio and the rechargeable battery
It is inversely proportional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606276.7A CN110365075B (en) | 2019-07-05 | 2019-07-05 | Battery charging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606276.7A CN110365075B (en) | 2019-07-05 | 2019-07-05 | Battery charging device and method |
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| CN110365075A true CN110365075A (en) | 2019-10-22 |
| CN110365075B CN110365075B (en) | 2023-01-13 |
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| CN201910606276.7A Active CN110365075B (en) | 2019-07-05 | 2019-07-05 | Battery charging device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023094788A1 (en) * | 2021-11-29 | 2023-06-01 | Cirrus Logic International Semiconductor Limited | Charging cells in a battery pack |
| CN116960491A (en) * | 2023-09-20 | 2023-10-27 | 北京力源兴达科技有限公司 | Intelligent charging method and system and intelligent charging side |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829259A (en) * | 1987-12-02 | 1989-05-09 | Zenith Electronics Corporation | Constant current source and battery charger |
| US6130522A (en) * | 1998-07-27 | 2000-10-10 | Makar; Dominique G. | Pulse modified invariant current battery charging method and apparatus |
| CN101197505A (en) * | 2007-12-18 | 2008-06-11 | 浙江机电职业技术学院 | DC equi-partition device for charging battery |
| KR20120115122A (en) * | 2011-04-08 | 2012-10-17 | (주)리젠텍 | Restoration apparatus of battery |
| CN204681289U (en) * | 2015-03-12 | 2015-09-30 | 广东美的制冷设备有限公司 | Solar power supply apparatus |
-
2019
- 2019-07-05 CN CN201910606276.7A patent/CN110365075B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4829259A (en) * | 1987-12-02 | 1989-05-09 | Zenith Electronics Corporation | Constant current source and battery charger |
| US6130522A (en) * | 1998-07-27 | 2000-10-10 | Makar; Dominique G. | Pulse modified invariant current battery charging method and apparatus |
| CN101197505A (en) * | 2007-12-18 | 2008-06-11 | 浙江机电职业技术学院 | DC equi-partition device for charging battery |
| KR20120115122A (en) * | 2011-04-08 | 2012-10-17 | (주)리젠텍 | Restoration apparatus of battery |
| CN204681289U (en) * | 2015-03-12 | 2015-09-30 | 广东美的制冷设备有限公司 | Solar power supply apparatus |
Non-Patent Citations (2)
| Title |
|---|
| WEIXIANG SHEN ET AL.: "Charging Algorithms of Lithium-Ion Batteries:an Overview", 《2012 7TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA)》 * |
| 周乾宇等: "大功率高压脉冲电流源研究", 《高压电器》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023094788A1 (en) * | 2021-11-29 | 2023-06-01 | Cirrus Logic International Semiconductor Limited | Charging cells in a battery pack |
| CN116960491A (en) * | 2023-09-20 | 2023-10-27 | 北京力源兴达科技有限公司 | Intelligent charging method and system and intelligent charging side |
| CN116960491B (en) * | 2023-09-20 | 2023-12-12 | 北京力源兴达科技有限公司 | Intelligent charging method and system and intelligent charging side |
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| Publication number | Publication date |
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| CN110365075B (en) | 2023-01-13 |
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