CN105048017B - It is a kind of to solve the problems, such as between multiple battery packs the mutually method of discharge and recharge - Google Patents
It is a kind of to solve the problems, such as between multiple battery packs the mutually method of discharge and recharge Download PDFInfo
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- CN105048017B CN105048017B CN201510481170.0A CN201510481170A CN105048017B CN 105048017 B CN105048017 B CN 105048017B CN 201510481170 A CN201510481170 A CN 201510481170A CN 105048017 B CN105048017 B CN 105048017B
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- oxide
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- semiconductor
- discharge
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 83
- 238000007600 charging Methods 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H02J7/0021—
-
- H02J7/0026—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The mutually method of discharge and recharge, including battery pack charge step, battery power discharge step and protection step between multiple battery packs is solved the problems, such as the invention discloses a kind of；In discharge process, control module by the electric current of current detection module and the voltage of battery to sampling：When control module detects the discharge current by current detection module, charging metal-oxide-semiconductor is placed in opening by control module；When the voltage that control module detects battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in off by control module；Until all electric discharge metal-oxide-semiconductors are closed, represent that all battery modules are discharged completion.The battery modules that the control charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor method for opening and closing of the present invention solves multiple different type voltage grades completely are parallel with one another the problem of can cause mutual discharge and recharge；And realize in the case where all battery modules are in a bus bar circuit in parallel, each battery modules realize the total recycle process of charge and discharge.
Description
Technical field
The mutually method of discharge and recharge is solved the problems, such as between multiple battery packs the present invention relates to a kind of.
Background technology
With flourishing for electronic technology, medium-sized, large-sized battery pack consumption is increasing.And in these battery packs
Production, test are with that during use, will use many charging and discharging processes.
Existing charging equipment or discharge equipment have the following disadvantages：
1st, battery pack needs to use the battery modules of same model to carry out battery pack requirement used in parallel, i.e., in parallel each
Cell voltage is identical, it is impossible to which complete different type, the battery modules of voltage class are carried out into input and output in parallel.Because in electricity
What the difference between Chi Zuzhong, monomer was constantly present, by taking capacity as an example, its otherness never tends to disappear, but progressively dislikes
Change.Same electric current is flowed through in battery pack, comparatively, the big person of capacity is always at shallow fill of low current and shallow put, tends to capacity and decline
Slow down slow, life, and the small person of capacity is always at high current super-charge super-discharge, tends to capacity attenuation quickening, the lost of life, two
Performance parameter difference is increasing between person, forms positive feedback characteristic, and low capacity premature failure organizes the lost of life.
2nd, the discharge and recharge step of battery pack is unable to reach the function of complete alternation so that the use trouble of battery pack.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind it is simple and easy to apply, be easy to operation, it is highly reliable
Solve the problems, such as between multiple battery packs the mutually method of discharge and recharge, asking for complete alternation discharge and recharge can not be realized by solving prior art
Topic.
The purpose of the present invention is achieved through the following technical solutions：One kind solves mutually charge and discharge between multiple battery packs
The method of electric problem, including battery pack charge step, battery power discharge step and protection step；Described battery pack includes multiple
Battery modules in parallel, described battery modules include the charging metal-oxide-semiconductor of series connection, electric discharge metal-oxide-semiconductor, current detection module, temperature
Controlling switch and battery, in addition to connect with charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temp control switch and battery
The control module connect, and the temperature sampling circuit being connected with control module；
Described battery power discharge step includes following sub-step：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors, which are in, to be opened
State is opened, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start electric discharge, voltage highest battery modules are discharged at first；Control module is to passing through current detecting mould
The electric current of block is sampled, and also the voltage of battery is sampled：
（1）When control module detects the discharge current by current detection module, control module puts charging metal-oxide-semiconductor
, will battery modules addition electric discharge sequence in parallel in opening；Until all charging metal-oxide-semiconductors are in opening,
Realize all battery modules in parallel electric discharges；
（2）When the voltage that control module detects battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in pass by control module
Closed state；Until all electric discharge metal-oxide-semiconductors are closed, represent that all battery modules are discharged completion；
Described battery pack charge step includes following sub-step：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, to close
Closed state, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, charging current initially enters the minimum battery modules of voltage；Control module through overcurrent to examining
The electric current for surveying module is sampled, and also the voltage of battery is sampled：
（1）When control module detects the charging current by current detection module, control module puts electric discharge metal-oxide-semiconductor
, will battery modules addition charging sequence in parallel in opening；Until all electric discharge metal-oxide-semiconductors are in opening,
Realize all battery modules in parallel chargings；
（2）When the voltage that control module detects battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in pass by control module
Closed state；Until all charging metal-oxide-semiconductors are closed, represent that all battery modules bulk charges are completed；
Described protection step is：During battery pack charge step, battery power discharge step are carried out, described temperature
Degree sample circuit is sampled to the temperature of battery modules, and when temperature is too high, control module control temp control switch is cut off.
Described current detection module includes a current sense resistor RSC.
Described battery modules are identical or different type voltage class battery modules.
Described temperature sampling circuit is arranged in the battery core of battery.
The beneficial effects of the invention are as follows：
（1）The present invention passes through on the basis of not overcharging and only putting and controls charging metal-oxide-semiconductor and electric discharge metal-oxide-semiconductor method for opening and closing
The problem of multiple battery modules are parallel with one another to cause mutual discharge and recharge is solved, even complete different type voltage grade
Battery modules parallel connection.
（2）The present invention realize all battery modules in a bus bar circuit in parallel, export it is only positive and negative
In the case of both threads, the total recycle process of charge and discharge can be achieved in each battery modules：After the completion of charge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges is identical with the original state of discharge step, similarly after the completion of discharge step
The open and-shut mode of charging metal-oxide-semiconductor and the metal-oxide-semiconductor that discharges is identical with the original state of charge step.
（3）Present invention additionally comprises the temperature sampling circuit and temp control switch for protecting battery modules, in battery mould
The temperature of group disconnects the battery modules when higher, with security.
（4）The present invention is simple and easy to apply, is easy to operation, highly reliable.
Brief description of the drawings
Fig. 1 is the inventive method flow chart；
Fig. 2 is battery pack structure block diagram；
Fig. 3 is battery modules circuit diagram；
Fig. 4 completes equivalent circuit diagram for electric discharge；
Fig. 5 is charging complete equivalent circuit diagram.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：As shown in figure 1, a kind of solve multiple batteries
The method of mutual discharge and recharge problem between group, including battery pack charge step, battery power discharge step and protection step；Such as Fig. 2
Shown described battery pack includes multiple battery modules in parallel, as shown in figure 3, described battery modules include the charging of series connection
Metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor, current detection module, temp control switch and battery, in addition to charging metal-oxide-semiconductor, electric discharge metal-oxide-semiconductor,
The control module of current detection module, temp control switch and battery connection, and the temperature sampling electricity being connected with control module
Road；
Described battery power discharge step includes following sub-step：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors, which are in, to be opened
State is opened, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start electric discharge, due to the relation that voltage is competed, voltage highest battery modules are discharged at first；Control mould
Block is also sampled to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the discharge current by current detection module, control module puts charging metal-oxide-semiconductor
In opening, will the battery modules add electric discharge sequence in parallel, it is to avoid charging metal-oxide-semiconductor bears discharge current；Until all
Charging metal-oxide-semiconductor be in opening, realize all battery modules in parallel electric discharges；
（2）When the voltage that control module detects battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in pass by control module
Closed state, electric discharge metal-oxide-semiconductor now plays not overdischarge；Until all electric discharge metal-oxide-semiconductors are closed, institute is represented
Some battery modules are discharged completion, and equivalent circuit diagram is as shown in Figure 4.
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, charges and walk with battery
Charging metal-oxide-semiconductor required for rapid is identical with the original state of electric discharge metal-oxide-semiconductor.
Described battery pack charge step includes following sub-step：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, to close
Closed state, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, due to the relation that voltage is competed, charging current initially enters the minimum battery modules of voltage；Control
Molding block is also sampled to being sampled by the electric current of current detection module to the voltage of battery：
（1）When control module detects the charging current by current detection module, control module puts electric discharge metal-oxide-semiconductor
, will battery modules addition charging sequence in parallel in opening；Until all electric discharge metal-oxide-semiconductors are in opening,
Realize all battery modules in parallel chargings；
（2）When the voltage that control module detects battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in pass by control module
Closed state, charging metal-oxide-semiconductor now plays not overcharge；Until all charging metal-oxide-semiconductors are closed, institute is represented
Some battery modules bulk charges are completed, and equivalent circuit diagram is as shown in Figure 5.
After charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, walked with battery discharge
Charging metal-oxide-semiconductor required for rapid is identical with the original state of electric discharge metal-oxide-semiconductor.
Described current detection module includes a current sense resistor RSC.
Described battery modules are identical or different type voltage class battery modules.
Described protection step is：During battery pack charge step, battery power discharge step are carried out, described temperature
Degree sample circuit is sampled to the temperature of battery modules, and when temperature is too high, control module control temp control switch is cut off.
Claims (4)
1. a kind of solve the problems, such as between multiple battery packs the mutually method of discharge and recharge, it is characterised in that：Charge and walk including battery pack
Suddenly, battery power discharge step and protection step；Described battery pack includes multiple battery modules in parallel, described battery modules
Charging metal-oxide-semiconductor including series connection, electric discharge metal-oxide-semiconductor, current detection module, temp control switch and battery, in addition to charging MOS
Pipe, electric discharge metal-oxide-semiconductor, current detection module, temp control switch and the control module of battery connection, and be connected with control module
Temperature sampling circuit；
Described battery power discharge step includes following sub-step：
S11：Before discharge process, all charging metal-oxide-semiconductors are closed, and all electric discharge metal-oxide-semiconductors, which are in, opens shape
State, all battery modules pass through the diodes in parallel of the course of discharge allowed inside the metal-oxide-semiconductor that charges；
S12：Start electric discharge, voltage highest battery modules are discharged at first；Control module is to by current detection module
Electric current is sampled, and also the voltage of battery is sampled：
（1）When control module detects the discharge current by current detection module, charging metal-oxide-semiconductor is placed in out by control module
State is opened, will battery modules addition electric discharge sequence in parallel；Until all charging metal-oxide-semiconductors are in opening, realize
All battery modules in parallel electric discharges；
（2）When the voltage that control module detects battery reaches overdischarge thresholding, electric discharge metal-oxide-semiconductor is placed in closing shape by control module
State；Until all electric discharge metal-oxide-semiconductors are closed, represent that all battery modules are discharged completion；
Described battery pack charge step includes following sub-step：
S21：Before charging process, all charging metal-oxide-semiconductors are in opening, and all electric discharge metal-oxide-semiconductors, which are in, closes shape
State, all battery modules are all together in parallel by the diode in the charging direction allowed inside the metal-oxide-semiconductor that discharges；
S22：Start to charge up, charging current initially enters the minimum battery modules of voltage；Control module is to passing through current detecting mould
The electric current of block is sampled, and also the voltage of battery is sampled：
（1）When control module detects the charging current by current detection module, electric discharge metal-oxide-semiconductor is placed in out by control module
State is opened, will battery modules addition charging sequence in parallel；Until all electric discharge metal-oxide-semiconductors are in opening, realize
All battery modules in parallel chargings；
（2）When the voltage that control module detects battery reaches overcharge thresholding, charging metal-oxide-semiconductor is placed in closing shape by control module
State；Until all charging metal-oxide-semiconductors are closed, represent that all battery modules bulk charges are completed；
After the completion of electric discharge, charging metal-oxide-semiconductor is in opening, and electric discharge metal-oxide-semiconductor is closed, with charge battery step institute
The charging metal-oxide-semiconductor needed is identical with the original state of electric discharge metal-oxide-semiconductor；
After charging complete, electric discharge metal-oxide-semiconductor is in opening, and charging metal-oxide-semiconductor is closed, with battery discharge step institute
The charging metal-oxide-semiconductor needed is identical with the original state of electric discharge metal-oxide-semiconductor；
Described protection step is：During battery pack charge step, battery power discharge step are carried out, described temperature is adopted
Sample circuit is sampled to the temperature of battery modules, and when temperature is too high, control module control temp control switch is cut off.
2. it is according to claim 1 it is a kind of solve the problems, such as between multiple battery packs the mutually method of discharge and recharge, its feature exists
In：Described current detection module includes a current sense resistor RSC.
3. it is according to claim 1 it is a kind of solve the problems, such as between multiple battery packs the mutually method of discharge and recharge, its feature exists
In：Described battery modules are identical or different type voltage class battery modules.
4. it is according to claim 1 it is a kind of solve the problems, such as between multiple battery packs the mutually method of discharge and recharge, its feature exists
In：Described temperature sampling circuit is arranged in the battery core of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481170.0A CN105048017B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually method of discharge and recharge |
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|---|---|---|---|
| CN201510481170.0A CN105048017B (en) | 2015-08-03 | 2015-08-03 | It is a kind of to solve the problems, such as between multiple battery packs the mutually method of discharge and recharge |
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| CN105048017B true CN105048017B (en) | 2017-08-11 |
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| CN106712221A (en) * | 2017-03-13 | 2017-05-24 | 四川力垦锂动力科技有限公司 | Charging and discharging management circuit of lithium ion storage battery |
| CN107069886B (en) * | 2017-05-17 | 2024-02-06 | 广州鑫虹兴电子有限公司 | Storage battery parallel self-adaptive charging and discharging device and method based on MOS (metal oxide semiconductor) tube |
| CN112803506A (en) * | 2019-10-28 | 2021-05-14 | 苏州宝时得电动工具有限公司 | Electric tool |
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| JP3848574B2 (en) * | 2001-02-20 | 2006-11-22 | セイコーインスツル株式会社 | Charge / discharge control device |
| US8524385B2 (en) * | 2008-10-10 | 2013-09-03 | Mitsumi Electric Co., Ltd. | Battery pack |
| CN102377203B (en) * | 2010-08-26 | 2015-11-25 | 联想(北京)有限公司 | A kind of electronic equipment and charge control method thereof |
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Effective date of registration: 20200609 Address after: 835000 E Factory Building of Huining Road 999 Small and Medium-sized Enterprise Business Incubation Park, Holgos Economic Development Zone, Yili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region (1st floor and interlayer) Patentee after: Xinjiang SMEI new energy Co.,Ltd. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610017 5 block A No. 2 public platform Secretary A-301 Patentee before: SICHUAN NEW ENERGY EXCHANGE TECHNOLOGY Co.,Ltd. |