CN106059014B - A kind of battery set charge/discharge control method, device and balance battery charge and discharge box - Google Patents
A kind of battery set charge/discharge control method, device and balance battery charge and discharge box Download PDFInfo
- Publication number
- CN106059014B CN106059014B CN201610636825.1A CN201610636825A CN106059014B CN 106059014 B CN106059014 B CN 106059014B CN 201610636825 A CN201610636825 A CN 201610636825A CN 106059014 B CN106059014 B CN 106059014B
- Authority
- CN
- China
- Prior art keywords
- charge
- battery pack
- discharge
- battery
- monomer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims description 107
- 230000005611 electricity Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 13
- 238000010992 reflux Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000007599 discharging Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H02J7/0077—
-
- H02J7/0091—
-
- 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 invention discloses a kind of battery set charge/discharge control method, device and balance battery charge and discharge boxs, belong to balance charge and discharge electro-technical field, wherein balance battery charge and discharge box includes: fuse interface, and one end is connect with 220V exchange electric connection, the input terminal connection of the other end and DC-AC conversion device；The first input end of DC-AC conversion device, output end and back-flow preventer connects；Back-flow preventer, the second input terminal are connect with 10 ~ 32V direct current electric connection, the first input end connection of output end and battery pack charge-discharge control device；Battery pack charge-discharge control device, the first output end are connect with each charge and discharge interface respectively；At least two charge and discharge interfaces, as the interface being connect with a battery pack.The present invention can carry out charge and discharge simultaneously to multiple battery packs simultaneously, and have additional fuse interface, solve the disadvantage that blowout needs to return factory or equipment scrapping.And the display such as have the advantages that temperature protection and charging time.
Description
Technical field
The present invention relates to balance charge and discharge electro-technical fields, and in particular to a kind of battery set charge/discharge control method, device and
Balance battery charge and discharge box.
Background technique
Battery pack apply in the market it is more and more extensive, for example, the vehicles such as electric car, hybrid vehicle are at present
The reduction energy uses, reduces exhaust emissions etc., all or part of offer source using power battery pack as energy.Portable device
Most of such as Portable electric welder, cutting machine are also using battery pack as power supply, to be moved easily.Mobile phone, IPAD
Equal mobile electronic devices are also using battery-powered.So the charge/discharge technical application of battery pack is also more and more extensive, meeting
Influence the indexs such as the service life of battery pack.
But available charger is mostly the common charger of household in the market, is usually handed in home environment, that is, 220V
It uses, can not be docked with existing movable power source, using movable power source as power supply source under stream power supply environment.And it can only be to one
Block battery carries out charge or discharge activity, can not carry out charge/discharge to muti-piece battery simultaneously, cause the redundancy of charger, resource
Excess waste, compared with muti-piece battery simultaneously charge/discharge also reduce charge/discharge efficiency.
Therefore, on the basis of existing charger, need to design it is a can carry out simultaneously muti-piece battery carry out charging or
Discharge activities, the mobile power source that can be applied to vehicle-mounted power supply environment of family 220V alternating current use environment and outfield etc. simultaneously supplies
The balance battery charge and discharge box of electrical environment.
Summary of the invention
Therefore, technical problems to be solved of the embodiment of the present invention be it is in the prior art can not simultaneously to multiple battery packs
Carry out charge/discharge simultaneously.
For this purpose, a kind of battery set charge/discharge control method of the embodiment of the present invention, comprising the following steps:
Judge whether to detect that battery pack accesses；
When detecting battery pack access, judge whether the battery pack number being currently accessed is greater than or equal to 2；
When the battery pack number being currently accessed is greater than or equal to 2, more battery pack charge/discharge modes are carried out.
Preferably, more battery pack charge/discharge modes the following steps are included:
Time-sharing control is carried out to the charge/discharge process of each battery pack, realizes the charge/discharge of each battery pack.
Preferably, further comprising the steps of:
When the battery pack number being currently accessed is less than 2, the charge/discharge process of single battery group is carried out.
Preferably, the charge/discharge process the following steps are included:
The total voltage of acquisition battery pack and each monomer voltage respectively；
According to the total voltage of battery pack and each monomer voltage, charge to battery pack.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack include:
The relationship being respectively compared between the total voltage of battery pack and the first total voltage threshold value, the second total voltage threshold value, and
Relationship between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, the first total voltage threshold value are small
In the second total voltage threshold value, the first monomer voltage threshold value is less than second comonomer voltage threshold；
When battery pack total voltage is less than the first total voltage threshold value and each monomer voltage is respectively less than the first monomer voltage threshold value
When, carry out trickle charge.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack, also wrap
It includes:
When battery pack total voltage is less than the first total voltage threshold value and to be greater than or equal to first single there are any monomer voltage
When bulk voltage threshold value, the trickle charge under Balance route is carried out.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack, also wrap
It includes:
When the total voltage of battery pack is greater than or equal to the first total voltage threshold value and less than the second total voltage threshold value and each monomer
When voltage is all larger than or is equal to the first monomer voltage threshold value and is less than second comonomer voltage threshold, constant-current charge is carried out.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack, also wrap
It includes:
When the total voltage of battery pack is greater than or equal to the first total voltage threshold value and less than the second total voltage threshold value and presence times
When one monomer voltage is greater than or equal to second comonomer voltage threshold, the constant-current charge under Balance route is carried out.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack, also wrap
It includes:
Second is all larger than or is equal to when the total voltage of battery pack is greater than or equal to the second total voltage threshold value and each monomer voltage
When monomer voltage threshold value, judge whether charging current is greater than charging current threshold value；
When charging current is greater than charging current threshold value, constant-voltage charge is carried out.
Preferably, the total voltage according to battery pack and each monomer voltage, the step of charging to battery pack, also wrap
It includes:
When charging current is less than or equal to charging current threshold value, control disconnects charging circuit.
Preferably, the charge/discharge process is further comprising the steps of:
The temperature and battery charge and discharge box internal temperature of each monomer are obtained respectively；
Judge whether the temperature of each monomer is greater than or equal to the first temperature threshold and battery charge and discharge box internal temperature is respectively
It is no to be greater than or equal to second temperature threshold value；
When there are the temperature of any monomer be greater than or equal to the first temperature threshold or battery charge and discharge box internal temperature be greater than or
When equal to second temperature threshold value, control disconnects charging circuit.
Preferably, the charge/discharge process is further comprising the steps of:
Judge whether discharge current is less than discharging current threshold；
When discharge current is less than discharging current threshold or does not detect battery pack access, control disconnects all electricity
Road.
A kind of battery pack charge-discharge control device of the embodiment of the present invention, comprising:
First judging unit detects that battery pack accesses for judging whether；
Second judgment unit, for judging whether the battery pack number being currently accessed is big when detecting battery pack access
In or equal to 2；
More battery pack charge/discharge units, it is mostly electric for carrying out when the battery pack number being currently accessed is greater than or equal to 2
Pond group charge/discharge mode.
Preferably, more battery pack charge/discharge units include:
Time-sharing control unit carries out Time-sharing control for the charge/discharge process to each battery pack, realizes each battery pack
Charge/discharge.
Preferably, further includes:
Single battery group charge/discharge unit, for carrying out single battery group when the battery pack number being currently accessed is less than 2
Charge/discharge process.
Preferably, more battery pack charge/discharge units and single battery group charge/discharge unit include charge/discharge process
Unit, the charge/discharge process unit include:
First acquisition unit, for obtain respectively battery pack total voltage and each monomer voltage；
Charhing unit, for according to battery pack total voltage and each monomer voltage, charge to battery pack.
Preferably, the charhing unit includes:
Comparing unit, for be respectively compared battery pack total voltage and the first total voltage threshold value, the second total voltage threshold value it
Between relationship and each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold between relationship, described first
Total voltage threshold value is less than second comonomer voltage threshold less than the second total voltage threshold value, the first monomer voltage threshold value；
Trickle charge unit, for when battery pack total voltage is less than the first total voltage threshold value and each monomer voltage is respectively less than
When the first monomer voltage threshold value, trickle charge is carried out.
Preferably, the charhing unit further include:
Balanced trickle charge unit, for when battery pack total voltage is less than the first total voltage threshold value and there are any monomers
When voltage is greater than or equal to the first monomer voltage threshold value, the trickle charge under Balance route is carried out.
Preferably, the charhing unit further include:
Constant-current charge unit, it is more than or equal to the first total voltage threshold value and total less than second for the total voltage when battery pack
When voltage threshold and each monomer voltage are all larger than or are equal to the first monomer voltage threshold value and be less than second comonomer voltage threshold, into
Row constant-current charge.
Preferably, the charhing unit further include:
Balanced constant-current charge unit is greater than or equal to the first total voltage threshold value for the total voltage when battery pack and less than the
Two total voltage threshold values and there are any monomer voltage be greater than or equal to second comonomer voltage threshold when, carry out Balance route under
Constant-current charge.
Preferably, the charhing unit further include:
Third judging unit is greater than or equal to the second total voltage threshold value and each monomer voltage for the total voltage when battery pack
When being all larger than or being equal to second comonomer voltage threshold, judge whether charging current is greater than charging current threshold value；
Constant-voltage charge unit, for carrying out constant-voltage charge when charging current is greater than charging current threshold value.
Preferably, the charhing unit further include:
First charging circuit disconnects control unit, for controlling when charging current is less than or equal to charging current threshold value
Disconnect charging circuit.
Preferably, the charge/discharge process unit further include:
Second acquisition unit, for obtaining the temperature and battery charge and discharge box internal temperature of each monomer respectively；
4th judging unit, for judging whether the temperature of each monomer is greater than or equal to the first temperature threshold and fills respectively
Whether discharge tank internal temperature is greater than or equal to second temperature threshold value；
Second charging circuit disconnects control unit, for when there are the temperature of any monomer to be greater than or equal to the first temperature threshold
When value or battery charge and discharge box internal temperature are greater than or equal to second temperature threshold value, control disconnects charging circuit.
Preferably, the charge/discharge process unit further include:
5th judging unit, for judging whether discharge current is less than discharging current threshold；
All circuits disconnect control unit, for when discharge current is less than discharging current threshold or does not detect battery
When group access, control disconnects all circuits.
A kind of battery set charge/discharge control system of the embodiment of the present invention, including above-mentioned battery pack charge-discharge control device.
A kind of balance battery charge and discharge box of the embodiment of the present invention, comprising:
Fuse interface, one end and 220V exchange electric connection are connect, the other end and DC-AC conversion device it is defeated
Enter end connection；
The first input end of DC-AC conversion device, output end and back-flow preventer connects, the 220V for will input
Alternating current is converted into direct current electricity output；
Back-flow preventer, the second input terminal are connect with 10 ~ 32V direct current electric connection, output end and battery set charge/discharge
The first input end of control device connects, for preventing the reflux of electric current；
Battery pack charge-discharge control device, the first output end are connect with each charge and discharge interface respectively, for one
The charge and discharge electrical activity of a or multiple battery packs is controlled；
At least two charge and discharge interfaces, each charge and discharge interface are used to connect as with what a battery pack was connect
Mouthful.
Preferably, the fuse interface setting is located on the outer housing panel of balance battery charge and discharge box.
Preferably, further includes:
Multiple temperature sensors, each temperature sensor with second input terminal of battery pack charge-discharge control device
Connection, multiple temperature sensors are respectively set at the dissipative cell being located in balance battery charge and discharge box and placing battery group each monomer
At reserved location, for incuding the temperature of battery charge and discharge box internal temperature and each monomer.
Preferably, further includes:
Display device is connect with the second output terminal of battery pack charge-discharge control device, includes that temperature is believed for showing
One or more of breath, charging time, assembled battery total voltage, monomer voltage, charging current and charging voltage waveform.
Preferably, further includes:
Anti-surging device is connected across between the zero curve and firewire of 220V alternating current, comes from 220V alternating current for absorbing
Surge current.
The technical solution of the embodiment of the present invention, has the advantages that
1. battery set charge/discharge control method provided in an embodiment of the present invention and device pass through the battery for judging to be currently accessed
Group number, to select battery pack charge/discharge mode, if being currently accessed number more than or equal to two, fill into more battery packs/
Discharge mode enters single battery group charge/discharge mode if being currently accessed number is one, can be right simultaneously to realize
Multiple battery packs carry out charge/discharge activity, improve charge/discharge efficiency, and can reduce charger number, economize on resources.
2. balance battery charge and discharge box provided in an embodiment of the present invention, by using the display of the forms such as TFT liquid crystal display, LCD screen
Device, instead of traditional form for showing charged state using LED light, can with temperature information in real-time display battery charge and discharge box,
Charging time, assembled battery total voltage, monomer battery voltage, charging current and charging voltage waveform etc., are clearly seen constant pressure, perseverance
It flows, the overall process of trickle charge.By adding fuse interface on the front panel, solves blowout needs with this and return
The shortcomings that factory or equipment scrapping.By the way that multiple charge and discharge interfaces are arranged, the charge and discharge that can carry out multiple battery packs simultaneously are living
It is dynamic.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the specific embodiment of the invention, specific embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is some realities of the invention
Mode is applied, it for those of ordinary skill in the art, without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow chart of a specific example of battery set charge/discharge control method in the embodiment of the present invention 1；
Fig. 2 is the flow chart of a specific example of charge/discharge process in the embodiment of the present invention 1；
Fig. 3 is the functional block diagram of a specific example of battery pack charge-discharge control device in the embodiment of the present invention 2；
Fig. 4 is the functional block diagram that a specific example of battery charge and discharge box is balanced in the embodiment of the present invention 4；
Fig. 5 is the structural schematic diagram that a specific example of front panel for battery charge and discharge box is balanced in the embodiment of the present invention 4；
Fig. 6 be Anti-surging device in the embodiment of the present invention 4, DC-AC conversion device, one of back-flow preventer specifically show
The circuit diagram of example.
Appended drawing reference: 1- fuse interface, 2- DC-AC conversion device, 3- back-flow preventer, 4- battery set charge/discharge
Control device, 5- charge and discharge interface, 6- temperature sensor, 7- display device, 8- Anti-surging device, 10- balance battery charge and discharge box,
11- front panel.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "inner", "outside" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection, is also possible to be electrically connected；It can be directly connected, it can also
Indirectly connected through an intermediary, can also be the connection inside two elements, wireless connection can be, be also possible to wired
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of battery set charge/discharge control method, for the mobile electronic devices such as mobile phone, IPAD, nobody
Mechanical, electrical electrical automobile etc. has the equipment of supplying cell group applicable, as shown in Figure 1, the battery set charge/discharge control method packet
Include following steps:
S1, judge whether to detect that battery pack accesses；When detecting battery pack access, S2 is entered step；When not examining
When measuring battery pack access, control disconnects all circuits.Preferably, judge whether to detect that battery pack access can be according to access
Voltage at point judges, when there is battery pack access, since battery pack itself always has the electricity of certain surplus, so connecing
Voltage at access point will increase, to can determine whether battery pack access.
Whether the battery pack number that S2, judgement are currently accessed is greater than or equal to 2；When the battery pack number being currently accessed is greater than
Or when being equal to 2, enter step S3；When the battery pack number being currently accessed is less than 2, i.e. only one battery pack access carries out
Charge/discharge enters step S4.
S3, more battery pack charge/discharge modes are carried out, while charge or discharge activity is carried out to multiple battery packs of access.
S4, the charge/discharge process for carrying out single battery group carry out charge or discharge activity to single battery group.
Above-mentioned battery set charge/discharge control method, by step S1-S4, the battery pack number being currently accessed by judgement,
Battery pack charge/discharge mode is selected, if being currently accessed number more than or equal to two, enters more battery pack charge/discharge moulds
Formula enters single battery group charge/discharge mode if being currently accessed number is one, can be simultaneously to multiple electricity to realize
Pond group carries out charge/discharge activity, improves charge/discharge efficiency, and can reduce charger number, economizes on resources.
Preferably, the more battery pack charge/discharge modes of the carry out of above-mentioned steps S3 the following steps are included:
S31, Time-sharing control is carried out to the charge/discharge process of each battery pack, realizes the charge/discharge of each battery pack.Specifically
For, it is assumed that a cycle is that each battery pack successively obtains a discharge/charge electricity, judges that each battery pack is respectively at trickle and fills
Which process in electricity, constant-current charge and constant-voltage charge process, when being in trickle charging process there are a battery pack, preferentially
It charges to the battery pack, such as occupied for 50% period, other battery packs in addition to the battery pack accounted for for 50% period together, until all
Until being all not on trickle charging process in battery pack.Then excellent when being in constant-current charge process there are a battery pack
It first charges to the battery pack, such as occupied for 60% period, other battery packs in addition to the battery pack account for 40% period, Zhi Daosuo together
Have until being all not on constant-current charge process in battery pack.Then to the not fully charged battery pack mean allocation period, directly
Until all battery packs are filled with electricity.During entire Time-sharing control, battery pack is first fully charged when having, and just disconnects charging electricity
Time-sharing control process is exited on road.By according to trickle, constant current, constant-voltage charge process, reasonable distribution battery pack charge cycle,
Implement the Time-sharing control to battery pack charge/discharge process, while guaranteeing that first access rechargeable battery set can be preferential fully charged,
Also the quick charge requirement that rechargeable battery set is accessed after being able to satisfy improves the charge efficiency of all access rechargeable battery sets.
Preferably, as shown in Fig. 2, charge/discharge process in above-mentioned steps S31 and S4 the following steps are included:
S41, the total voltage for obtaining battery pack respectively and each monomer voltage；
S42, the total voltage according to battery pack and each monomer voltage, charge to battery pack.For example, can be with are as follows:
Relationship between S421, the total voltage for being respectively compared battery pack and the first total voltage threshold value, the second total voltage threshold value,
And the relationship between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, the first total voltage threshold value are small
In the second total voltage threshold value, the first monomer voltage threshold value is less than second comonomer voltage threshold；For example, monomer number is 12, the
One total voltage threshold value can be the sum of 12 the first monomer voltage threshold values, and the second total voltage threshold value can be 12 the second lists
The sum of bulk voltage threshold value.
When battery pack total voltage is less than the first total voltage threshold value and each monomer voltage is respectively less than the first monomer voltage threshold value
When, enter step S422；When the total voltage of battery pack less than the first total voltage threshold value and is greater than or waits there are any monomer voltage
When the first monomer voltage threshold value, S423 is entered step；When battery pack total voltage be greater than or equal to the first total voltage threshold value and
Less than the second total voltage threshold value and each monomer voltage is all larger than or is equal to the first monomer voltage threshold value and is less than second comonomer voltage
When threshold value, S424 is entered step；When the total voltage of battery pack is greater than or equal to the first total voltage threshold value and less than the second total voltage
Threshold value and there are any monomer voltage be greater than or equal to second comonomer voltage threshold when, enter step S425；It is total when battery pack
When voltage is greater than or equal to the second total voltage threshold value and each monomer voltage is all larger than or is equal to second comonomer voltage threshold, into step
Rapid S426.
S422, trickle charge, the smaller charging current of use are carried out.
Trickle charge under S423, progress Balance route, allows monomer voltage to be greater than or equal to the first monomer voltage threshold value
Monomer pause charging, maintains the trickle charge of other monomers, until the monomer voltage of all monomers is all larger than or is equal to the first list
Until bulk voltage threshold value.
S424, constant-current charge is carried out, is charged using constant current.
Constant-current charge under S425, progress Balance route, allows monomer voltage to be greater than or equal to second comonomer voltage threshold
Monomer pause charging, maintains the constant-current charge of other monomers, until the monomer voltage of all monomers is all larger than or is equal to the second list
Until bulk voltage threshold value.
S426, judge whether charging current is greater than charging current threshold value；When charging current is greater than charging current threshold value, into
Enter step S427；When charging current is less than or equal to charging current threshold value, S428 is entered step.
S427, constant-voltage charge is carried out, in this process, charging current will be gradually reduced.
S428, control disconnect charging circuit, prevent from overcharging the damage caused by battery, and can be realized and economize on resources
Purpose.
Above-mentioned battery set charge/discharge control method passes through total voltage to battery pack and each list by step S421-S428
The dual multilevel iudge of bulk voltage more only carries out the multilevel iudge of monomer voltage, and equilibrium charging control is more efficient, only works as electricity
When pond group total voltage and each monomer voltage all meet the charging requirement of previous stage, it just can control and charge into next stage, into
One step ensure that the charge balancing of all monomers, so as to improve the service life of each single battery and battery pack.
Preferably, as shown in Fig. 2, the charge/discharge process in above-mentioned steps S31 and S4 is further comprising the steps of:
S43, the temperature for obtaining each monomer respectively and battery charge and discharge box internal temperature；
S44, judge whether the temperature of each monomer is greater than or equal to temperature inside the first temperature threshold and battery charge and discharge box respectively
Whether degree is greater than or equal to second temperature threshold value；When there are the temperature of any monomer more than or equal to the first temperature threshold or to fill
When discharge tank internal temperature is greater than or equal to second temperature threshold value, S45 is entered step；It remains unchanged or enters when other situations
Other steps.
S45, control disconnect charging circuit, have saved electric energy, ensure that in battery charge and discharge box or any monomer temperature mistake
Gao Shi stops charging activity, improves safety.
It will be understood by those of skill in the art that above-mentioned steps S43-S45 is not limited to execute after step S42,
It can be executed before step S41 or between S41-S42.
Preferably, as shown in Fig. 2, the charge/discharge process in above-mentioned steps S31 and S4 is further comprising the steps of:
S46, judge whether discharge current is less than discharging current threshold；When discharge current is less than discharging current threshold or does not have
When detecting battery pack access, S47 is entered step.Otherwise remain unchanged or enter other steps.
S47, control disconnect all circuits and, to be also possible to prevent the appearance of low discharging current situation, are kept away with saving electric energy
Exempt from the slow loss of battery electric quantity.
It will be understood by those of skill in the art that above-mentioned steps S46-S47 is not limited to execute after step S45,
Can any position before step S41 or between S41-S45 execute.
Embodiment 2
Corresponding to embodiment 1, the present embodiment provides a kind of battery pack charge-discharge control devices, as shown in Figure 3, comprising:
First judging unit 1 detects that battery pack accesses for judging whether；
Second judgment unit 2, for judging whether the battery pack number being currently accessed is big when detecting battery pack access
In or equal to 2；
More battery pack charge/discharge units 3, it is mostly electric for carrying out when the battery pack number being currently accessed is greater than or equal to 2
Pond group charge/discharge mode.
Single battery group charge/discharge unit 4, for carrying out single battery group when the battery pack number being currently accessed is less than 2
Charge/discharge process.
Above-mentioned battery pack charge-discharge control device, by judging the battery pack number that is currently accessed, come select battery pack fill/
Discharge mode enters more battery pack charge/discharge modes, if being currently accessed number if being currently accessed number more than or equal to two
Mesh is one, then enters single battery group charge/discharge mode, so that realizing to carry out charge/discharge to multiple battery packs simultaneously
Activity improves charge/discharge efficiency, and can reduce charger number, economizes on resources.
Preferably, more battery pack charge/discharge units 3 include:
Time-sharing control unit carries out Time-sharing control for the charge/discharge process to each battery pack, realizes each battery pack
Charge/discharge.
Preferably, more battery pack charge/discharge units and single battery group charge/discharge unit include charge/discharge process unit,
Charge/discharge process unit includes:
First acquisition unit, for obtain respectively battery pack total voltage and each monomer voltage；
Charhing unit, for according to battery pack total voltage and each monomer voltage, charge to battery pack.For example, filling
Electric unit includes:
Comparing unit, for be respectively compared battery pack total voltage and the first total voltage threshold value, the second total voltage threshold value it
Between relationship and each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold between relationship, first total electricity
Press threshold value less than the second total voltage threshold value, the first monomer voltage threshold value is less than second comonomer voltage threshold；
Trickle charge unit, for when battery pack total voltage is less than the first total voltage threshold value and each monomer voltage is respectively less than
When the first monomer voltage threshold value, trickle charge is carried out.
Balanced trickle charge unit, for when battery pack total voltage is less than the first total voltage threshold value and there are any monomers
When voltage is greater than or equal to the first monomer voltage threshold value, the trickle charge under Balance route is carried out.
Constant-current charge unit, it is more than or equal to the first total voltage threshold value and total less than second for the total voltage when battery pack
When voltage threshold and each monomer voltage are all larger than or are equal to the first monomer voltage threshold value and be less than second comonomer voltage threshold, into
Row constant-current charge.
Balanced constant-current charge unit is greater than or equal to the first total voltage threshold value for the total voltage when battery pack and less than the
Two total voltage threshold values and there are any monomer voltage be greater than or equal to second comonomer voltage threshold when, carry out Balance route under
Constant-current charge.
Third judging unit is greater than or equal to the second total voltage threshold value and each monomer voltage for the total voltage when battery pack
When being all larger than or being equal to second comonomer voltage threshold, judge whether charging current is greater than charging current threshold value；
Constant-voltage charge unit, for carrying out constant-voltage charge when charging current is greater than charging current threshold value.
First charging circuit disconnects control unit, for controlling when charging current is less than or equal to charging current threshold value
Disconnect charging circuit.
Above-mentioned battery pack charge-discharge control device is sentenced by the dual comparison of total voltage and each monomer voltage to battery pack
It is disconnected, the multilevel iudge of monomer voltage is more only carried out, equilibrium charging control is more efficient, only when assembled battery total voltage and each monomer
When voltage all meets the charging requirement of previous stage, it just can control and charge into next stage, further ensure all monomers
Charge balancing, so as to improve the service life of each single battery and battery pack.
Preferably, charge/discharge process unit further include:
Second acquisition unit, for obtaining the temperature and battery charge and discharge box internal temperature of each monomer respectively；
4th judging unit, for judging whether the temperature of each monomer is greater than or equal to the first temperature threshold and fills respectively
Whether discharge tank internal temperature is greater than or equal to second temperature threshold value；
Second charging circuit disconnects control unit, for when there are the temperature of any monomer to be greater than or equal to the first temperature threshold
When value or battery charge and discharge box internal temperature are greater than or equal to second temperature threshold value, control disconnects charging circuit.To save electricity
Can, it ensure that in battery charge and discharge box or when any monomer temperature is excessively high, stops charging activity, improve safety.
Preferably, charge/discharge process unit further include:
5th judging unit, for judging whether discharge current is less than discharging current threshold；
All circuits disconnect control unit, for when discharge current is less than discharging current threshold or does not detect battery
When group access, control disconnects all circuits.To be also possible to prevent the appearance of low discharging current situation, avoid to save electric energy
The slow loss of battery electric quantity.
Embodiment 3
The present embodiment provides a kind of battery set charge/discharge control system, including memory and processor, processor is for reading
The step of instruction stored in access to memory, battery set charge/discharge control method to execute embodiment 1.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Embodiment 4
The present embodiment provides a kind of balance battery charge and discharge boxs, as shown in figure 4, balance battery charge and discharge box 10 includes: fuse grafting
Mouth 1, DC-AC conversion device 2, back-flow preventer 3, battery pack charge-discharge control device 4 and at least two charge and discharge interfaces 5.
One end of fuse interface 1 is connect with 220V exchange electric connection, the other end and DC-AC conversion device of fuse interface 1
2 input terminal connection.It includes zero line interface and fire-wire interfaces that 220V, which exchanges electric connection, and each interface can connect a fuse
Interface.The output end of DC-AC conversion device 2 is connect with the first input end of back-flow preventer 3, the 220V for will input
Alternating current is converted into direct current electricity output.Second input terminal of back-flow preventer 3 is connect with 10 ~ 32V direct current electric connection, anti-return dress
It sets 3 output end to connect with the first input end of battery pack charge-discharge control device 4, for preventing the reflux of electric current.For example, 10
Three core Aviation Connectors can be used in ~ 32V direct current electric connection, and to carry out in the case of removable or outfield to battery pack, charge and discharge is electrically operated to be made
With.First output end of battery pack charge-discharge control device 4 is connect with each charge and discharge interface 5 respectively, for one or
The charge and discharge electrical activity of multiple battery packs is controlled, such as carries out judging whether to detect that battery pack accesses, when detecting battery
When group access, judge whether the battery pack number being currently accessed is greater than or equal to 2, be greater than when the battery pack number being currently accessed or
When equal to 2, more battery pack charge/discharge modes are carried out, more specific battery pack charge-discharge control device 4 is above-mentioned implementation
Battery pack charge-discharge control device in example 2.Each charge and discharge interface 5 is used to connect as with what a battery pack was connect
Mouthful.By the way that multiple charge and discharge interfaces are arranged, the charge and discharge electrical activity of multiple battery packs can be carried out simultaneously.
As shown in figure 5, balance battery charge and discharge box is packaged with shell, shell includes front panel 11, in front on plate 11
Various interfaces and display device can be installed.Before the above-mentioned setting of fuse interface 1 is located at the shell of balance battery charge and discharge box
On panel.On the front panel for the shell that the above-mentioned setting of charge and discharge interface 5 is located at balance battery charge and discharge box.By increasing on the front panel
If fuse interface, solve the disadvantage that blowout needs to return factory or equipment scrapping with this.
Preferably, as shown in figure 4, balance battery charge and discharge box 10 further include: multiple temperature sensors 6.Each temperature sensor 6
It is connect with second input terminal of battery pack charge-discharge control device 4, multiple temperature sensors 6, which are respectively set, is located at balance
At dissipative cell in battery charge and discharge box and at the reserved location of each monomer of placing battery group, for incuding battery charge and discharge box internal temperature
With the temperature of each monomer, safety problem caused by excessive heating is avoided.
Preferably, as shown in figure 4, balance battery charge and discharge box 10 further include: display device 7.Display device 7 and battery pack charge and discharge
The second output terminal of controller for electric consumption 4 connects, and includes temperature information, charging time, assembled battery total voltage, monomer electricity for showing
One or more of pressure, charging current and charging voltage waveform.Display device 7 is such as can be TFT liquid crystal display, LCD screen.
By using the display device of the forms such as TFT liquid crystal display, LCD screen, instead of traditional shape for showing charged state using LED light
Formula, can be with temperature information, charging time, assembled battery total voltage, monomer battery voltage, charging current in real-time display battery charge and discharge box
And charging voltage waveform etc., it is clearly seen the overall process of constant pressure, constant current, trickle charge.
Preferably, as shown in figure 4, balance battery charge and discharge box 10 further include: Anti-surging device 8.Anti-surging device 8 is connected across
Between the zero curve and firewire of 220V alternating current, for absorbing the surge current from 220V alternating current.
A kind of physical circuit design of above-mentioned Anti-surging device 8, DC-AC conversion device 2, back-flow preventer 3 is such as Fig. 6 institute
Show.It will be understood by those of skill in the art that it can also have the function of Anti-surging, AC-DC conversion, anti-return using other
Circuit realize.In Fig. 6, U1 is AC-DC conversion chip, and F1, F2 are fuse, and R1, R2, R3 are resistance, and C1, C2 are electricity
Hold, Q1, Q2 are triode, and D1 is zener diode.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of battery set charge/discharge control method, which comprises the following steps:
Judge whether to detect that battery pack accesses；
When detecting battery pack access, judge whether the battery pack number being currently accessed is greater than or equal to 2；
When the battery pack number being currently accessed is greater than or equal to 2, more battery pack charge/discharge modes are carried out；
More battery pack charge/discharge modes the following steps are included:
Time-sharing control is carried out to the charge/discharge process of each battery pack, realizes the charge/discharge of each battery pack；
The charge/discharge process to each battery pack carries out Time-sharing control, realizes that the charge/discharge of each battery pack includes following step
It is rapid:
Which process that each battery pack is respectively in trickle charge, constant-current charge and constant-voltage charge process is judged, when there are one
When a battery pack is in trickle charging process, preferentially charge to the battery pack, until being all not on trickle in all battery packs
Until charging process；Then it when being in constant-current charge process there are a battery pack, preferentially charges to the battery pack, Zhi Daosuo
Have until being all not on constant-current charge process in battery pack；Then to the not fully charged battery pack mean allocation period, directly
Until all battery packs are filled with electricity；During entire Time-sharing control, battery pack is first fully charged when having, and just disconnects charging electricity
Time-sharing control process is exited on road.
2. the method according to claim 1, wherein further comprising the steps of:
When the battery pack number being currently accessed is less than 2, the charge/discharge process of single battery group is carried out.
3. according to the method described in claim 2, it is characterized in that, the charge/discharge process the following steps are included:
The total voltage of acquisition battery pack and each monomer voltage respectively；
According to the total voltage of battery pack and each monomer voltage, charge to battery pack.
4. according to the method described in claim 3, it is characterized in that, the charge/discharge process is further comprising the steps of:
The temperature and battery charge and discharge box internal temperature of each monomer are obtained respectively；
Judge whether the temperature of each monomer is greater than or equal to the first temperature threshold and whether battery charge and discharge box internal temperature is big respectively
In or equal to second temperature threshold value；
It is greater than or equal to when there are the temperature of any monomer more than or equal to the first temperature threshold or battery charge and discharge box internal temperature
When second temperature threshold value, control disconnects charging circuit.
5. a kind of battery pack charge-discharge control device characterized by comprising
First judging unit detects that battery pack accesses for judging whether；
Second judgment unit, for when detect battery pack access when, judge the battery pack number being currently accessed whether be greater than or
Equal to 2；
More battery pack charge/discharge units, for carrying out more battery packs when the battery pack number being currently accessed is greater than or equal to 2
Charge/discharge mode；
More battery pack charge/discharge units include:
Time-sharing control unit carries out Time-sharing control for the charge/discharge process to each battery pack, realize the filling of each battery pack/
Electric discharge；
The Time-sharing control unit, for judging that each battery pack is respectively at trickle charge, constant-current charge and constant-voltage charge process
In which process, when being in trickle charging process there are a battery pack, preferentially to the battery pack charge, until all electricity
Until Chi Zuzhong is not on trickle charging process；Then when being in constant-current charge process there are a battery pack, preferentially
It charges to the battery pack, until being all not on constant-current charge process in all battery packs；Then to not fully charged
The battery pack mean allocation period, until all battery packs are filled with electricity；During entire Time-sharing control, when there is battery pack first
It is fully charged, charging circuit is just disconnected, Time-sharing control process is exited.
6. a kind of balance battery charge and discharge box characterized by comprising
Fuse interface (1), one end are connect with 220V exchange electric connection, the other end and DC-AC conversion device (2)
Input terminal connection；
DC-AC conversion device (2), output end are connect with the first input end of back-flow preventer (3), for what will be inputted
220V alternating current is converted into direct current electricity output；
Back-flow preventer (3), the second input terminal are connect with 10 ~ 32V direct current electric connection, output end and battery set charge/discharge control
The first input end of device (4) processed connects, for preventing the reflux of electric current；
Battery pack charge-discharge control device (4) as claimed in claim 5, the first output end respectively with each charge and discharge electrical plug
Mouth (5) connection, controls for the charge and discharge electrical activity to one or more battery group；
At least two charge and discharge interfaces (5), each charge and discharge interface (5) are used to connect as with what a battery pack was connect
Mouthful.
7. balance battery charge and discharge box according to claim 6, which is characterized in that fuse interface (1) setting is located at
On the outer housing panel for balancing battery charge and discharge box.
8. balance battery charge and discharge box according to claim 6 or 7, which is characterized in that further include:
Multiple temperature sensors (6), one second with battery pack charge-discharge control device (4) of each temperature sensor (6)
Input terminal connection, multiple temperature sensors (6) are respectively set at the dissipative cell being located in balance battery charge and discharge box and placing battery
At the reserved location of each monomer of group, for incuding the temperature of battery charge and discharge box internal temperature and each monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636825.1A CN106059014B (en) | 2016-08-06 | 2016-08-06 | A kind of battery set charge/discharge control method, device and balance battery charge and discharge box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636825.1A CN106059014B (en) | 2016-08-06 | 2016-08-06 | A kind of battery set charge/discharge control method, device and balance battery charge and discharge box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106059014A CN106059014A (en) | 2016-10-26 |
| CN106059014B true CN106059014B (en) | 2018-12-28 |
Family
ID=57481398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610636825.1A Active CN106059014B (en) | 2016-08-06 | 2016-08-06 | A kind of battery set charge/discharge control method, device and balance battery charge and discharge box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106059014B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471460B (en) * | 2007-12-28 | 2012-08-08 | 深圳市比克电池有限公司 | Method for equilibrium control of battery set and battery set charging method |
| CN103023082A (en) * | 2011-09-27 | 2013-04-03 | 深圳富泰宏精密工业有限公司 | Battery charge and discharge control system and battery charge and discharge control method |
| CN103001287B (en) * | 2012-11-20 | 2016-12-21 | 中航锂电（洛阳）有限公司 | A kind of battery pack balancing safeguards charging device and charging method |
| CN103633698A (en) * | 2013-11-29 | 2014-03-12 | 哈尔滨智木科技有限公司 | Battery equalizing charging method and equalizing charger thereof |
| CN105449727A (en) * | 2014-08-12 | 2016-03-30 | 芯发威达电子(上海)有限公司 | Cell expansion system and relevant cell charge and discharge control method |
| CN204886296U (en) * | 2015-08-14 | 2015-12-16 | 东莞市华源光电科技有限公司 | Portable multi -functional emergent photovoltaic power |
| CN205882784U (en) * | 2016-08-06 | 2017-01-11 | 北京耐威智能科技有限公司 | Balanced battery charge and discharge box |
-
2016
- 2016-08-06 CN CN201610636825.1A patent/CN106059014B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106059014A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10431996B2 (en) | Smart Battery, electric energy allocation bus system, battery charging and discharging method and electric energy allocation method | |
| EP3264560B1 (en) | Smart battery, electric energy allocation bus system and battery charging and discharging method | |
| CN106451592B (en) | The control method of battery charging and discharging, the control equipment of battery charging and discharging and electric vehicle | |
| CN103675686A (en) | Electric vehicle power battery charging and discharging operating condition simulation system and method | |
| CN108039750A (en) | A kind of energy-storage system, balanced energy storage method, battery management unit and storage medium | |
| CN105190987A (en) | Battery preheating system and method for preheating battery using same | |
| CN205247513U (en) | Novel portable intelligent charging station | |
| CN103123991B (en) | The lithium system battery of wired in parallel | |
| CN104065124A (en) | Mobile terminal with false battery function and false battery enabling and disabling method thereof | |
| CN106462215A (en) | Systems and methods for power management of a modular mobile electronic device | |
| CN201918474U (en) | Mine explosion-proof power lithium battery power supply device | |
| CN205882784U (en) | Balanced battery charge and discharge box | |
| CN101814748A (en) | Mobile phone charger capable of carrying out automatic discharging/charging management and displaying battery capacity | |
| CN202503327U (en) | Managing system of station-used lithium iron phosphate batteries | |
| CN106059014B (en) | A kind of battery set charge/discharge control method, device and balance battery charge and discharge box | |
| CN101776736A (en) | Electronic product and method for taking functional test and battery charge and discharge test synchronously | |
| CN108832691A (en) | One kind is avoided the peak hour battery charge controller and method | |
| CN203481854U (en) | Battery management device, power system and energy storage power station | |
| CN204835563U (en) | Power battery wraps and has its electric automobile | |
| CN107453440A (en) | A kind of charging device based on electric power electric transformer | |
| CN109309394A (en) | The reservation charging control method and device of the vehicles with power supply system | |
| CN103607002A (en) | Cell equalization charging method | |
| CN203387282U (en) | Box-level battery management system | |
| CN206551894U (en) | A kind of charging pile charging device based on block chain | |
| CN102856954A (en) | Power battery balancing method, unit, battery management system and electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |