CN205882784U - Balanced battery charge and discharge box - Google Patents
Balanced battery charge and discharge box Download PDFInfo
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- CN205882784U CN205882784U CN201620843807.6U CN201620843807U CN205882784U CN 205882784 U CN205882784 U CN 205882784U CN 201620843807 U CN201620843807 U CN 201620843807U CN 205882784 U CN205882784 U CN 205882784U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 utility model discloses a balanced battery charge and discharge box belongs to balanced charge -discharge technical field. Balanced battery charge and discharge box includes: the fuse interface, its one end and 220V alternating current articulate, its other end is connected with alternating current -direct current conversion equipment's input, alternating current -direct current conversion equipment, its output is connected with back -flow preventer's first input end, back -flow preventer, its second input and 10~32V direct current articulate, its output is connected with the first input end of group battery control of charge and discharge device, group battery control of charge and discharge device, interface connection is inserted with every charge -discharge respectively to its first output, two at least charge -discharge interfaces are as the interface of being connected with a group battery. The utility model discloses can carry out the while charge -discharge to a plurality of group batteries simultaneously to add the fuse interface, solved the shortcoming that fuse blown need return factory or equipment scrapping. And have the advantage that temperature protection and charge time etc. Show.
Description
Technical field
This utility model relates to balancing discharge and recharge technical field, is specifically related to a kind of battery set charge/discharge control method, dress
Put and balance battery charge and discharge box.
Background technology
Set of cells application commercially is more and more extensive, and such as, the vehicle such as current electric automobile, hybrid vehicle is
The minimizing energy uses, reduces exhaust emissions etc., completely or partially provides source using power battery pack as energy.Portable set
Such as the great majority such as Portable electric welder, cutting machine also be use set of cells as power supply, to be moved easily.Mobile phone, IPAD
Also it is that employing is battery-powered Deng mobile electronic device.So, the charge/discharge technology application of set of cells is more extensive, meeting
The indexs such as the service life having influence on set of cells.
But, on market, available charger mostly is the common charger of domestic, is usually and hands at the i.e. 220V of home environment
Use under stream power supply environment, it is impossible to dock with existing movable power source, using movable power source as power supply source.And can only be to one
Block battery is charged or discharge activities, it is impossible to polylith battery is carried out charge/discharge simultaneously, causes the redundancy of charger, resource
Excess waste, also reduce charge/discharge efficiency compared with the simultaneously charge/discharge of polylith battery.
Therefore, on the basis of existing charger, need to design a can carry out simultaneously polylith battery be charged or
Discharge activities, family's 220V alternating current can be applied simultaneously to and use the portable power source of environment and the vehicle-mounted power supply in outfield environment etc. to supply
The balance battery charge and discharge box of electrical environment.
Utility model content
Therefore, this utility model embodiment to solve the technical problem that be of the prior art cannot be simultaneously to multiple electricity
Pond group carries out charge/discharge simultaneously.
To this end, a kind of battery set charge/discharge control method of this utility model embodiment, comprise the following steps:
Judge whether to detect that set of cells accesses；
When detecting that set of cells accesses, it is judged that whether the set of cells number being currently accessed is more than or equal to 2；
When the set of cells number being currently accessed is more than or equal to 2, carry out many set of cells charge/discharge pattern.
Preferably, described many set of cells charge/discharge pattern comprises the following steps:
The charge/discharge process of each set of cells is carried out Time-sharing control, it is achieved the charge/discharge of each set of cells.
Preferably, further comprising the steps of:
When the set of cells number being currently accessed is less than 2, carry out the charge/discharge process of monocell group.
Preferably, described charge/discharge process comprises the following steps:
Obtain the total voltage of set of cells and each monomer voltage respectively；
Total voltage according to set of cells and each monomer voltage, be charged set of cells.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells includes:
It is respectively compared the relation between the total voltage of set of cells and the first total voltage threshold value, the second total voltage threshold value, and
Relation between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, described first total voltage threshold value is little
In the second total voltage threshold value, described first monomer voltage threshold value is less than second comonomer voltage threshold；
When the total voltage of set of cells is respectively less than the first monomer voltage threshold value less than the first total voltage threshold value and each monomer voltage
Time, carry out trickle charge.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells is also wrapped
Include:
When the total voltage of set of cells less than the first total voltage threshold value and exists arbitrary monomer voltage more than or equal to the first list
During bulk voltage threshold value, carry out the trickle charge under Balance route.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells is also wrapped
Include:
When the total voltage of set of cells is more 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 higher than or is equal to the first monomer voltage threshold value and is less than second comonomer voltage threshold, carry out constant-current charge.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells is also wrapped
Include:
When the total voltage of set of cells is more than or equal to the first total voltage threshold value and less than the second total voltage threshold value and existence times
When one monomer voltage is more than or equal to second comonomer voltage threshold, carry out the constant-current charge under Balance route.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells is also wrapped
Include:
When the total voltage of set of cells, more than or equal to the second total voltage threshold value and each monomer voltage is all higher than or equal to second
During monomer voltage threshold value, it is judged that whether charging current is more than charging current threshold value；
When charging current is more than charging current threshold value, carry out constant-voltage charge.
Preferably, the described total voltage according to set of cells and each monomer voltage, the step being charged set of cells is also wrapped
Include:
When charging current is less than or equal to charging current threshold value, control to disconnect charging circuit.
Preferably, described charge/discharge process is further comprising the steps of:
Obtain temperature and the battery charge and discharge box internal temperature of each monomer respectively；
Whether the temperature judging each monomer respectively more than or equal to the first temperature threshold and battery charge and discharge box internal temperature is
No it is more than or equal to the second temperature threshold；
When exist the temperature of arbitrary monomer more than or equal to the first temperature threshold or battery charge and discharge box internal temperature more than or
During equal to the second temperature threshold, control to disconnect charging circuit.
Preferably, described charge/discharge process is further comprising the steps of:
Judge that whether discharge current is less than discharging current threshold；
When discharge current is less than discharging current threshold or is not detected by set of cells access, control to disconnect all electricity
Road.
A kind of battery pack charge-discharge control device of this utility model embodiment, including:
First judging unit, is used for judging whether to detect that set of cells accesses；
Second judging unit, for when detecting that set of cells accesses, it is judged that the set of cells number being currently accessed is the biggest
In or equal to 2；
Many set of cells charge/discharge unit, for when the set of cells number being currently accessed is more than or equal to 2, carries out the most electric
Pond group charge/discharge pattern.
Preferably, described many set of cells charge/discharge unit includes:
Time-sharing control unit, for carrying out Time-sharing control to the charge/discharge process of each set of cells, it is achieved each set of cells
Charge/discharge.
Preferably, also include:
Monocell group charge/discharge unit, for when the set of cells number being currently accessed is less than 2, carrying out monocell group
Charge/discharge process.
Preferably, described many set of cells charge/discharge unit and monocell group charge/discharge unit all include charge/discharge process
Unit, described charge/discharge process unit includes:
First acquiring unit, for obtaining the total voltage of set of cells and each monomer voltage respectively；
Charhing unit, for the total voltage according to set of cells and each monomer voltage, is charged set of cells.
Preferably, described charhing unit includes:
Comparing unit, for be respectively compared the total voltage of set of cells and the first total voltage threshold value, the second total voltage threshold value it
Between relation, and the relation between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, described first
Total voltage threshold value is less than the second total voltage threshold value, and described first monomer voltage threshold value is less than second comonomer voltage threshold；
Trickle charge unit, for being respectively less than less than the first total voltage threshold value and each monomer voltage when the total voltage of set of cells
During the first monomer voltage threshold value, carry out trickle charge.
Preferably, described charhing unit also includes:
, for less than the first total voltage threshold value and there is arbitrary monomer when the total voltage of set of cells in equilibrium trickle charge unit
When voltage is more than or equal to the first monomer voltage threshold value, carry out the trickle charge under Balance route.
Preferably, described charhing unit also includes:
Constant-current charge unit, for the total voltage when set of cells more than or equal to the first total voltage threshold value and less than second total
When voltage threshold and each monomer voltage are all higher than or are equal to the first monomer voltage threshold value and be less than second comonomer voltage threshold, enter
Row constant-current charge.
Preferably, described charhing unit also includes:
Equilibrium constant-current charge unit, for the total voltage when set of cells more than or equal to the first total voltage threshold value and less than the
Two total voltage threshold values and exist arbitrary monomer voltage more than or equal to second comonomer voltage threshold time, carry out under Balance route
Constant-current charge.
Preferably, described charhing unit also includes:
3rd judging unit, for the total voltage when set of cells more than or equal to the second total voltage threshold value and each monomer voltage
When being all higher than or be equal to second comonomer voltage threshold, it is judged that whether charging current is more than charging current threshold value；
Constant-voltage charge unit, for when charging current is more than charging current threshold value, carrying out constant-voltage charge.
Preferably, described charhing unit also includes:
First charging circuit disconnects control unit, for when charging current is less than or equal to charging current threshold value, controlling
Disconnect charging circuit.
Preferably, described charge/discharge process unit also includes:
Second acquisition unit, for obtaining temperature and the battery charge and discharge box internal temperature of each monomer respectively；
4th judging unit, for judging whether the temperature of each monomer is more than or equal to the first temperature threshold and fills respectively
Whether discharge tank internal temperature is more than or equal to the second temperature threshold；
Second charging circuit disconnects control unit, for when there is the temperature of arbitrary monomer more than or equal to the first temperature threshold
When value or battery charge and discharge box internal temperature are more than or equal to the second temperature threshold, control to disconnect charging circuit.
Preferably, described charge/discharge process unit also includes:
5th judging unit, is used for judging that whether discharge current is less than discharging current threshold；
All circuit disconnect control unit, for less than discharging current threshold or being not detected by battery when discharge current
When group accesses, control to disconnect all circuit.
A kind of battery set charge/discharge control system of this utility model embodiment, controls dress including above-mentioned battery set charge/discharge
Put.
A kind of balance battery charge and discharge box of this utility model embodiment, including:
Electric fuse interface, its one end is connected with 220V alternating current joint, and its other end is defeated with DC-AC conversion device
Enter end to connect；
DC-AC conversion device, its outfan is connected with the first input end of back-flow preventer, for the 220V by input
Alternating current is converted into unidirectional current output；
Back-flow preventer, its second input and 10 ~ 32V unidirectional current joint connect, its outfan and battery set charge/discharge
The first input end controlling device connects, for stoping the backflow of electric current；
Battery pack charge-discharge control device, its first outfan is connected with each discharge and recharge interface respectively, for one
Individual or multiple set of cells discharge and recharge activity is controlled；
At least two discharge and recharge interface, each discharge and recharge interface be used to as with connecing that a set of cells is connected
Mouthful.
Preferably, described electric fuse interface is arranged on the shell body panel being positioned at balance battery charge and discharge box.
Preferably, also include:
Multiple temperature sensors, each temperature sensor all with second input of battery pack charge-discharge control device
Connecting, multiple temperature sensors are respectively provided with at the dissipative cell being positioned at balance battery charge and discharge box and placing battery group each monomer
At reserved location, for sensing battery charge and discharge box internal temperature and the temperature of each monomer.
Preferably, also include:
Display device, it is connected with the second outfan of battery pack charge-discharge control device, includes that temperature is believed for display
One or more in breath, charging interval, assembled battery total voltage, monomer voltage, charging current and charging voltage waveform.
Preferably, also include:
Anti-surging device, between its zero line being connected across 220V alternating current and live wire, for absorbing from 220V alternating current
Surge current.
The technical scheme of this utility model embodiment, has the advantage that
1. this utility model embodiment provide battery set charge/discharge control method and device, be currently accessed by judgement
Set of cells number, selects set of cells charge/discharge pattern, if being currently accessed number to be more than or equal to two, then enters many batteries
Group charge/discharge pattern, if being currently accessed number is one, then enters monocell group charge/discharge pattern, it is achieved thereby that can be same
Time multiple set of cells are carried out charge/discharge activity, improve charge/discharge efficiency, and charger number can be reduced, save money
Source.
2. the balance battery charge and discharge box that this utility model embodiment provides, by using the forms such as TFT liquid crystal display screen, LCD screen
Display device, instead of the form of traditional employing LED display charged state, can show that discharge and recharge the temperature inside the box is believed in real time
Breath, charging interval, assembled battery total voltage, monomer battery voltage, charging current and charging voltage waveform etc., be clearly seen perseverance
Pressure, constant current, the overall process of trickle charge.By setting up electric fuse interface on front panel, solve blowout with this
Need the shortcoming returning factory or equipment scrapping.By arranging multiple discharge and recharge interface, filling of multiple set of cells can be carried out simultaneously
Discharge activities.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model detailed description of the invention, below will be to specific embodiment party
In formula description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is this utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to root
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the flow chart of a concrete example of battery set charge/discharge control method in this utility model embodiment 1；
Fig. 2 is the flow chart of a concrete example of charge/discharge process in this utility model embodiment 1；
Fig. 3 is the theory diagram of a concrete example of battery pack charge-discharge control device in this utility model embodiment 2；
Fig. 4 is the theory diagram of the concrete example balancing battery charge and discharge box in this utility model embodiment 4；
Fig. 5 is the structural representation of a concrete example of the front panel balancing battery charge and discharge box in this utility model embodiment 4
Figure；
Fig. 6 is a tool of Anti-surging device in this utility model embodiment 4, DC-AC conversion device, back-flow preventer
The circuit diagram of body example.
Reference: 1-electric fuse interface, 2-DC-AC conversion device, 3-back-flow preventer, 4-battery set charge/discharge
Controlling device, 5-discharge and recharge interface, 6-temperature sensor, 7-display device, 8-Anti-surging device, 10-balances battery charge and discharge box,
11-front panel.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, it should be noted that the orientation of the instruction such as term " interior ", " outward " or position relationship
For based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that refer to
Show or imply relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be mechanical connection, it is also possible to be to electrically connect；It can be direct phase
Even, it is also possible to be indirectly connected to by intermediary, it is also possible to be the connection of two element internals, can be wireless connections, it is possible to
To be wired connection.For the ordinary skill in the art, can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
As long as additionally, technical characteristic involved in this utility model difference embodiment disclosed below is each other
The conflict of not constituting just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of battery set charge/discharge control method, for the mobile electronic device such as mobile phone, IPAD, unmanned
The equipment that mechanical, electrical electrical automobile etc. have supplying cell group is the most applicable, as it is shown in figure 1, this battery set charge/discharge control method bag
Include following steps:
S1, judge whether to detect that set of cells accesses；When detecting that set of cells accesses, enter step S2；When not inspection
When measuring set of cells access, control to disconnect all circuit.Preferably, it may be judged whether detect that set of cells access can be according to access
Voltage at Dian judges, when there being set of cells to access, always has the electricity of certain surplus due to set of cells self, so connecing
Voltage at access point can increase, thus can determine whether that set of cells accesses.
Whether the set of cells number that S2, judgement are currently accessed is more than or equal to 2；When the set of cells number being currently accessed is more than
Or during equal to 2, enter step S3；When the set of cells number being currently accessed is less than 2, i.e. only one of which set of cells accesses and carries out
Charge/discharge, enters step S4.
S3, carry out many set of cells charge/discharge pattern, the multiple set of cells accessed are charged or discharge activities simultaneously.
S4, carry out the charge/discharge process of monocell group, single battery group is charged or discharge activities.
Above-mentioned battery set charge/discharge control method, by step S1-S4, the set of cells number being currently accessed by judgement,
Selecting set of cells charge/discharge pattern, if being currently accessed number to be more than or equal to two, then entering many set of cells charge/discharge mould
Formula, if being currently accessed number is one, then enters monocell group charge/discharge pattern, it is achieved thereby that can be simultaneously to multiple electricity
Pond group carries out charge/discharge activity, improves charge/discharge efficiency, and can reduce charger number, economizes on resources.
Preferably, many set of cells charge/discharge pattern that carries out of above-mentioned steps S3 comprises the following steps:
S31, charge/discharge process to each set of cells carry out Time-sharing control, it is achieved the charge/discharge of each set of cells.Specifically
For, it is assumed that a cycle is that each set of cells obtains a discharge charge electricity successively, it is judged that each set of cells is respectively at trickle and fills
Which process during electricity, constant-current charge and constant-voltage charge, when there is a set of cells and being in trickle charge process, preferentially
Charging this set of cells, as taken for 50% cycle, other set of cells in addition to this set of cells accounted for for 50% cycle together, until all
Till set of cells is all not on trickle charge process.Then when there is a set of cells and being in constant-current charge process, excellent
First charging this set of cells, as taken for 60% cycle, other set of cells in addition to this set of cells accounted for for 40% cycle together, until institute
Have till set of cells is all not on constant-current charge process.Then to there is no the fully charged set of cells mean allocation cycle, directly
Being filled with electricity to all set of cells.During whole Time-sharing control, when having, set of cells is the most fully charged, just disconnects charged electrical
Road, exits Time-sharing control process.By according to trickle, constant current, constant-voltage charge process, reasonable distribution set of cells charge cycle,
Implement Time-sharing control to set of cells charge/discharge process, ensure first to access rechargeable battery set can the most fully charged while,
Also can access the quick charge requirement of rechargeable battery set after meeting, improve the charge efficiency of all access rechargeable battery set.
Preferably, as in figure 2 it is shown, the charge/discharge process in above-mentioned steps S31 and S4 all comprises the following steps:
S41, the total voltage obtaining set of cells respectively and each monomer voltage；
S42, according to the total voltage of set of cells and each monomer voltage, set of cells is charged.For example, it is possible to be:
Relation between S421, the total voltage being respectively compared set of cells and the first total voltage threshold value, the second total voltage threshold value,
And the relation between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, the first total voltage threshold value is little
In the second total voltage threshold value, the first monomer voltage threshold value is less than second comonomer voltage threshold；Such as, monomer number is 12, the
One total voltage threshold value can be the sum of the first monomer voltage threshold value of 12, and the second total voltage threshold value can be second list of 12
The sum of bulk voltage threshold value.
When the total voltage of set of cells is respectively less than the first monomer voltage threshold value less than the first total voltage threshold value and each monomer voltage
Time, enter step S422；When set of cells total voltage less than the first total voltage threshold value and exist arbitrary monomer voltage more than or etc.
When the first monomer voltage threshold value, enter step S423；When the total voltage of set of cells more than or equal to the first total voltage threshold value and
It is all higher than less than the second total voltage threshold value and each monomer voltage or equal to the first monomer voltage threshold value and less than second comonomer voltage
During threshold value, enter step S424；When the total voltage of set of cells is more than or equal to the first total voltage threshold value and less than the second total voltage
Threshold value and exist arbitrary monomer voltage more than or equal to second comonomer voltage threshold time, enter step S425；Total when set of cells
When voltage is more than or equal to the second total voltage threshold value and each monomer voltage is all higher than or is equal to second comonomer voltage threshold, enter step
Rapid S426.
S422, carry out trickle charge, use less charging current.
S423, the trickle charge carried out under Balance route, allow monomer voltage be more than or equal to the first monomer voltage threshold value
Monomer suspends charging, maintains the trickle charge of other monomers, until the monomer voltage of all monomers is all higher than or is equal to the first list
Till bulk voltage threshold value.
S424, carry out constant-current charge, use constant current to be charged.
S425, the constant-current charge carried out under Balance route, allow monomer voltage be more than or equal to second comonomer voltage threshold
Monomer suspends charging, maintains the constant-current charge of other monomers, until the monomer voltage of all monomers is all higher than or is equal to the second list
Till bulk voltage threshold value.
S426, judge that charging current is whether more than charging current threshold value；When charging current is more than charging current threshold value, enter
Enter step S427；When charging current is less than or equal to charging current threshold value, enter step S428.
S427, carrying out constant-voltage charge, in this process, charging current will be gradually reduced.
S428, control to disconnect charging circuit, prevent from overcharging the damage that battery is caused, and be capable of economizing on resources
Purpose.
Above-mentioned battery set charge/discharge control method, by step S421-S428, by the total voltage of set of cells and each list
The dual multilevel iudge of bulk voltage, more only carries out the multilevel iudge of monomer voltage, and equilibrium charging controls more efficient, only works as electricity
When pond group total voltage and each monomer voltage all meet the charging requirement of previous stage, could control to enter next stage charging, enter
One step ensure that the charge balancing of all monomers such that it is able to improves the service life of each cell and set of cells.
Preferably, as in figure 2 it is shown, the charge/discharge process in above-mentioned steps S31 and S4 is the most further comprising the steps of:
S43, the temperature obtaining each monomer respectively and battery charge and discharge box internal temperature；
S44, judge that the temperature of each monomer is whether more than or equal to the internal temperature of the first temperature threshold and battery charge and discharge box respectively
Whether degree is more than or equal to the second temperature threshold；When the temperature that there is arbitrary monomer more than or equal to the first temperature threshold or is filled
When discharge tank internal temperature is more than or equal to the second temperature threshold, enter step S45；Remain unchanged during other situations or enter
Other steps.
S45, control to disconnect charging circuit, saved electric energy, it is ensured that in battery charge and discharge box or arbitrary 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 to be not limited to after step S42 to perform, also
Can perform before step S41 or between S41-S42.
Preferably, as in figure 2 it is shown, the charge/discharge process in above-mentioned steps S31 and S4 is the most further comprising the steps of:
S46, judge that discharge current is whether less than discharging current threshold；When discharge current less than discharging current threshold or does not has
Detect when set of cells accesses, enter step S47.Otherwise remain unchanged or enter other steps.
S47, control disconnect all circuit, with saves energy, thus are also possible to prevent the appearance of low discharging current situation, keep away
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 to be not limited to after step S45 to perform, also
Can any position before step S41 or between S41-S45 perform.
Embodiment 2
Corresponding to embodiment 1, the present embodiment provides a kind of battery pack charge-discharge control device, as it is shown on figure 3, include:
First judging unit 1, is used for judging whether to detect that set of cells accesses；
Second judging unit 2, for when detecting that set of cells accesses, it is judged that the set of cells number being currently accessed is the biggest
In or equal to 2；
Many set of cells charge/discharge unit 3, for when the set of cells number being currently accessed is more than or equal to 2, carries out the most electric
Pond group charge/discharge pattern.
Monocell group charge/discharge unit 4, for when the set of cells number being currently accessed is less than 2, carrying out monocell group
Charge/discharge process.
Above-mentioned battery pack charge-discharge control device, the set of cells number being currently accessed by judgement, select set of cells fill/
Discharge mode, if being currently accessed number to be more than or equal to two, then enters many set of cells charge/discharge pattern, if being currently accessed number
Mesh is one, then enter monocell group charge/discharge pattern, it is achieved thereby that multiple set of cells can be carried out charge/discharge simultaneously
Activity, improves charge/discharge efficiency, and can reduce charger number, economize on resources.
Preferably, many set of cells charge/discharge unit 3 includes:
Time-sharing control unit, for carrying out Time-sharing control to the charge/discharge process of each set of cells, it is achieved each set of cells
Charge/discharge.
Preferably, many set of cells charge/discharge unit and monocell group charge/discharge unit all include charge/discharge process unit,
Charge/discharge process unit includes:
First acquiring unit, for obtaining the total voltage of set of cells and each monomer voltage respectively；
Charhing unit, for the total voltage according to set of cells and each monomer voltage, is charged set of cells.Such as, fill
Electric unit includes:
Comparing unit, for be respectively compared the total voltage of set of cells and the first total voltage threshold value, the second total voltage threshold value it
Between relation, and the relation between each monomer voltage and the first monomer voltage threshold value, second comonomer voltage threshold, first total electricity
Pressure 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 being respectively less than less than the first total voltage threshold value and each monomer voltage when the total voltage of set of cells
During the first monomer voltage threshold value, carry out trickle charge.
, for less than the first total voltage threshold value and there is arbitrary monomer when the total voltage of set of cells in equilibrium trickle charge unit
When voltage is more than or equal to the first monomer voltage threshold value, carry out the trickle charge under Balance route.
Constant-current charge unit, for the total voltage when set of cells more than or equal to the first total voltage threshold value and less than second total
When voltage threshold and each monomer voltage are all higher than or are equal to the first monomer voltage threshold value and be less than second comonomer voltage threshold, enter
Row constant-current charge.
Equilibrium constant-current charge unit, for the total voltage when set of cells more than or equal to the first total voltage threshold value and less than the
Two total voltage threshold values and exist arbitrary monomer voltage more than or equal to second comonomer voltage threshold time, carry out under Balance route
Constant-current charge.
3rd judging unit, for the total voltage when set of cells more than or equal to the second total voltage threshold value and each monomer voltage
When being all higher than or be equal to second comonomer voltage threshold, it is judged that whether charging current is more than charging current threshold value；
Constant-voltage charge unit, for when charging current is more than charging current threshold value, carrying out constant-voltage charge.
First charging circuit disconnects control unit, for when charging current is less than or equal to charging current threshold value, controlling
Disconnect charging circuit.
Above-mentioned battery pack charge-discharge control device, by sentencing dual comparison of the total voltage of set of cells and each monomer voltage
Disconnected, more only carry out the multilevel iudge of monomer voltage, equilibrium charging controls more efficient, only when assembled battery total voltage and each monomer
When voltage all meets the charging requirement of previous stage, could control to enter next stage charging, further ensure all monomers
Charge balancing such that it is able to improve the service life of each cell and set of cells.
Preferably, charge/discharge process unit also includes:
Second acquisition unit, for obtaining temperature and the battery charge and discharge box internal temperature of each monomer respectively；
4th judging unit, for judging whether the temperature of each monomer is more than or equal to the first temperature threshold and fills respectively
Whether discharge tank internal temperature is more than or equal to the second temperature threshold；
Second charging circuit disconnects control unit, for when there is the temperature of arbitrary monomer more than or equal to the first temperature threshold
When value or battery charge and discharge box internal temperature are more than or equal to the second temperature threshold, control to disconnect charging circuit.Thus saved electricity
Can, it is ensured that in battery charge and discharge box or when arbitrary monomer temperature is too high, stop charging activity, improve safety.
Preferably, charge/discharge process unit also includes:
5th judging unit, is used for judging that whether discharge current is less than discharging current threshold；
All circuit disconnect control unit, for less than discharging current threshold or being not detected by battery when discharge current
When group accesses, control to disconnect all circuit.Thus with saves energy, it is also possible to prevent the appearance of low discharging current situation, it is to avoid
The slow loss of battery electric quantity.
Embodiment 3
The present embodiment provides a kind of battery set charge/discharge control system, and including memorizer and processor, processor is used for reading
The instruction of storage in access to memory, to perform the step of the battery set charge/discharge control method of embodiment 1.
Those skilled in the art are it should be appreciated that embodiment of the present utility model can be provided as method, system or computer
Program product.Therefore, this utility model can use complete hardware embodiment, complete software implementation or combine software and hardware
The form of the embodiment of aspect.And, this utility model can use and wherein include computer available programs one or more
The upper enforcement of the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of code
The form of computer program.
This utility model is with reference to method, equipment (system) and the computer program product according to this utility model embodiment
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
Each flow process and/or square frame and flow chart and/or block diagram in flow process and/or the combination of square frame.These can be provided to count
Calculation machine programmed instruction is to the place of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device
Reason device is to produce a machine so that the instruction performed by the processor of computer or other programmable data processing device is produced
Raw for realizing the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
Device.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Embodiment 4
The present embodiment provides one balance battery charge and discharge box, and as shown in Figure 4, balance battery charge and discharge box 10 includes: electric fuse grafting
Mouth 1, DC-AC conversion device 2, back-flow preventer 3, battery pack charge-discharge control device 4 and at least two discharge and recharge interface 5.
One end of electric fuse interface 1 is connected with 220V alternating current joint, the other end of electric fuse interface 1 and DC-AC conversion device
The input of 2 connects.220V alternating current joint includes zero line interface and fire-wire interfaces, and each interface all can connect an electric fuse
Interface.The outfan of DC-AC conversion device 2 is connected with the first input end of back-flow preventer 3, for the 220V by input
Alternating current is converted into unidirectional current output.Second input of back-flow preventer 3 and 10 ~ 32V unidirectional current joint connect, and anti-return fills
Put the outfan of 3 to be connected with the first input end of battery pack charge-discharge control device 4, for stoping the backflow of electric current.Such as, 10
~ 32V unidirectional current joint can use three core Aviation Connector, makes for may move or set of cells carrying out in the case of outfield discharge and recharge operation
With.First outfan of battery pack charge-discharge control device 4 is connected with each discharge and recharge interface 5 respectively, for one or
The discharge and recharge activity of multiple set of cells is controlled, such as, carry out judging whether to detect that set of cells accesses, when battery being detected
When group accesses, it is judged that the set of cells number being currently accessed whether more than or equal to 2, when the set of cells number being currently accessed more than or
During equal to 2, carrying out the steps, more specifically battery pack charge-discharge control device 4 such as many set of cells charge/discharge pattern is above-mentioned enforcement
Battery pack charge-discharge control device in example 2.Each discharge and recharge interface 5 be used to as with connecing that a set of cells is connected
Mouthful.By arranging multiple discharge and recharge interface, the discharge and recharge activity of multiple set of cells can be carried out simultaneously.
As it is shown in figure 5, balance battery charge and discharge box is to be packaged with shell, shell includes front panel 11, on front panel 11
Various interface and display device can be installed.Before above-mentioned electric fuse interface 1 arranges the shell being positioned at balance battery charge and discharge box
On panel.Above-mentioned discharge and recharge interface 5 is arranged on the front panel of the shell being positioned at balance battery charge and discharge box.By increasing on front panel
If electric fuse interface, solve, with this, the shortcoming that blowout needs to return factory or equipment scrapping.
Preferably, as shown in Figure 4, balance battery charge and discharge box 10 also includes: multiple temperature sensors 6.Each temperature sensor 6
All being connected with second input of battery pack charge-discharge control device 4, multiple temperature sensors 6 are respectively provided with and are positioned at balance
At dissipative cell in battery charge and discharge box and at the reserved location of each monomer of placing battery group, it is used for sensing battery charge and discharge box internal temperature
Temperature with each monomer, it is to avoid excessive heating and the safety problem that causes.
Preferably, as shown in Figure 4, balance battery charge and discharge box 10 also includes: display device 7.Display device 7 and set of cells charge and discharge
Second outfan of controller for electric consumption 4 connects, and includes temperature information, charging interval, assembled battery total voltage, monomer electricity for display
One or more in pressure, charging current and charging voltage waveform.Display device 7 can be such as TFT liquid crystal display screen, LCD screen etc..
By using the display device of the forms such as TFT liquid crystal display screen, LCD screen, instead of the shape of traditional employing LED display charged state
Formula, can show temperature information, charging interval, assembled battery total voltage, monomer battery voltage, charging current in battery charge and discharge box in real time
And charging voltage waveform etc., it is clearly seen the overall process of constant voltage, constant current, trickle charge.
Preferably, as shown in Figure 4, balance battery charge and discharge box 10 also includes: Anti-surging device 8.Anti-surging device 8 is connected across
Between zero line and the live wire of 220V alternating current, for absorbing the surge current from 220V alternating current.
Above-mentioned Anti-surging device 8, DC-AC conversion device 2, a kind of physical circuit of back-flow preventer 3 design such as Fig. 6 institute
Show.It will be understood by those of skill in the art that it can also use other to have Anti-surging, AC-DC conversion, anti-return function
Circuit realize.In Fig. 6, U1 is AC-DC conversion chip, and F1, F2 are electric fuse, and R1, R2, R3 are resistance, and C1, C2 are electricity
Holding, Q1, Q2 are audion, and D1 is Zener diode.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among the protection domain still in this utility model creation.
Claims (3)
1. a balance battery charge and discharge box, it is characterised in that including:
Electric fuse interface (1), its one end is connected with 220V alternating current joint, its other end and DC-AC conversion device (2)
Input connects；
DC-AC conversion device (2), its outfan is connected with the first input end of back-flow preventer (3), for by input
220V alternating current is converted into unidirectional current output；
Back-flow preventer (3), its second input and 10 ~ 32V unidirectional current joint connect, its outfan and battery set charge/discharge control
The first input end of device processed (4) connects, for stoping the backflow of electric current；
Battery pack charge-discharge control device (4), its first outfan is connected, for right with each discharge and recharge interface (5) respectively
The discharge and recharge activity of one or more set of cells is controlled；
At least two discharge and recharge interface (5), each discharge and recharge interface (5) be used to as with connecing that a set of cells is connected
Mouthful.
Balance battery charge and discharge box the most according to claim 1, it is characterised in that described electric fuse interface (1) arranges and is positioned at
On the shell body panel of balance battery charge and discharge box.
Balance battery charge and discharge box the most according to claim 1 and 2, it is characterised in that also include:
Multiple temperature sensors (6), each temperature sensor (6) all with one second of battery pack charge-discharge control device (4)
Input connects, and multiple temperature sensors (6) are respectively provided with at the dissipative cell being positioned at balance battery charge and discharge box and placing battery
Organize at the reserved location of each monomer, for sensing battery charge and discharge box internal temperature and the temperature of each monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843807.6U CN205882784U (en) | 2016-08-06 | 2016-08-06 | Balanced battery charge and discharge box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620843807.6U CN205882784U (en) | 2016-08-06 | 2016-08-06 | Balanced battery charge and discharge box |
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| CN205882784U true CN205882784U (en) | 2017-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059014A (en) * | 2016-08-06 | 2016-10-26 | 北京耐威智能科技有限公司 | Charging-discharging control method and device of battery pack and balanced charging and discharging box |
| CN107026478A (en) * | 2017-06-09 | 2017-08-08 | 上海历挚机电设备有限公司 | A kind of photovoltaic electric station grid connection control system and control method |
-
2016
- 2016-08-06 CN CN201620843807.6U patent/CN205882784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059014A (en) * | 2016-08-06 | 2016-10-26 | 北京耐威智能科技有限公司 | Charging-discharging control method and device of battery pack and balanced charging and discharging box |
| CN107026478A (en) * | 2017-06-09 | 2017-08-08 | 上海历挚机电设备有限公司 | A kind of photovoltaic electric station grid connection control system and control method |
| CN107026478B (en) * | 2017-06-09 | 2023-09-05 | 上海历挚机电设备有限公司 | Grid-connected control system and control method for photovoltaic power station |
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