CN111864860A - Multichannel lithium cell PACK equalizing equipment - Google Patents
Multichannel lithium cell PACK equalizing equipment Download PDFInfo
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- CN111864860A CN111864860A CN202010815214.XA CN202010815214A CN111864860A CN 111864860 A CN111864860 A CN 111864860A CN 202010815214 A CN202010815214 A CN 202010815214A CN 111864860 A CN111864860 A CN 111864860A
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- Prior art keywords
- control unit
- battery pack
- lithium battery
- current
- module
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 238000007726 management method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000013480 data collection Methods 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 101100055496 Arabidopsis thaliana APP2 gene Proteins 0.000 description 4
- 101100016250 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GYL1 gene Proteins 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 101100402276 Arabidopsis thaliana MOS14 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses multichannel lithium battery PACK balancing equipment which comprises a BMS control unit, a battery PACK management system and a battery PACK balancing system, wherein the BMS control unit is used for managing the current and voltage of a battery and realizing the distribution of the current and voltage of a lithium battery PACK 7; the temperature sensor is a temperature feedback type sensor and feeds a temperature signal back to the BMS control unit, and the BMS control unit is connected with an external wireless terminal APP through the wireless control module; the current amplification control unit is an MOS amplifier and a heat dissipation control panel, and can realize the effect of current amplification; the extension parallel module is the independent parallel extension module of development, can realize that the multimachine is parallelly connected, and lithium cell group is many and many lithium cell groups of cluster, is connected and provides the power for lithium cell group management system with BMS the control unit, connects the load end for the load terminal, but the use of supplying power connects various loads or charges to the battery, can connect in parallel through integrated circuit buckle circuit, can realize the balanced effect of more heavy current.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to multichannel lithium battery PACK equalization equipment.
Background
With the enhancement of environmental awareness, electric vehicles have been rapidly popularized. The current electric vehicle mainly uses a lithium battery as an energy source. The lithium batteries are used for a long time, the difference of charge and discharge amount can exist among the grouped lithium battery packs, and the driving mileage of the electric vehicle can be influenced when the difference is larger and larger.
In order to solve the foregoing problems, the equalization function is generally added to the lithium battery management system to overcome the problems. The current lithium battery equalization mode has two types: energy transfer equalization and consumption equalization. However, the currently applied equalization method has the following technical problems: the existing balancing equipment can balance the lithium battery, but can only balance the lithium battery in a single channel, and cannot adjust parameters in real time, so that more time is spent.
Disclosure of Invention
In order to overcome the defects, the invention provides multichannel lithium battery PACK equalization equipment which can realize the equalization effect of larger current by connecting integrated circuit buckling circuits in parallel.
The technical scheme adopted by the invention for solving the technical problem is as follows: multichannel lithium cell PACK equalizing equipment contains
The BMS control unit is a lithium battery pack management system, manages the current and voltage of the battery and realizes the distribution of the current and voltage of the lithium battery pack 7;
the temperature sensor is a temperature feedback type sensor and feeds a temperature signal back to the BMS control unit, and the BMS control unit is connected with an external wireless terminal APP through the wireless control module;
the current amplification control unit is an MOS amplifier and a heat dissipation control panel, and can realize the effect of current amplification;
the expansion parallel module is an independent parallel expansion module which is developed, can realize multi-machine parallel connection,
the lithium battery pack is a plurality of lithium battery packs connected in parallel and in series, is connected with the BMS control unit for the lithium battery pack management system and provides power supply,
the load end is a load terminal, and can supply power to various loads or charge batteries.
As a further improvement of the invention, the wireless control module is a Bluetooth data exchange module.
As a further improvement of the invention, a heat radiation fan is arranged in the device, and the heat radiation fan is a 12V fan and is connected with the current amplification control unit.
As a further improvement of the invention, the current amplification control unit comprises a current amplification mos, a current processing resistor and a heat dissipation unit, the current of the lithium battery pack is amplified, so that the effect of large current balance is obtained, and meanwhile, the heat dissipation unit can discharge heat generated by the current amplification mos after the heat dissipation fan is started.
As a further improvement of the invention, the BMS control unit includes a data collection module for collecting information of each string of voltage, electric quantity, temperature, etc. in the lithium battery pack to a data processor, and the data processor compares the voltages of the lithium battery pack for analysis, and finally sends the data to a data storage module for storage, and the data conversion module has decoding and code writing functions, and can read and write effective data by converting the effective data into a wireless terminal APP connected with a specific wireless control module.
As a further improvement of the invention, the lithium batteries are connected in series by 32 channels.
The invention has the beneficial effects that:
drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic diagram of a BMS control unit of the present invention;
FIG. 3 is a schematic diagram of a current amplification control unit according to the present invention; (ii) a
The following are marked in the figure: 1-a temperature sensor; 2-external wireless terminal APP; 3-a wireless control module; 4-a current amplification control unit; 5-a heat dissipation fan; 6-an extended parallel module; 7-a lithium battery pack; 8-BMS control unit; 9-connecting a load end as a load terminal; 10-a data collection module; 11-a data processor; 12-a data storage module; 13-a data conversion module; 14-current amplification mos; 15-current handling resistance; 16-heat dissipation unit.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
FIG. 1 shows an embodiment of a multichannel lithium battery PACK equalization device of the present invention, comprising
The BMS control unit 8 is a lithium battery pack management system, manages the current and voltage of the batteries and realizes the distribution of the current and voltage of the lithium battery packs 7;
the temperature sensor 1 is a temperature feedback type sensor, and feeds back a temperature signal to the BMS control unit 8, and the BMS control unit 8 is connected with an external wireless terminal APP2 through the wireless control module 3;
the current amplification control unit 4 is an MOS amplifier and a heat dissipation control panel, and can realize the effect of current amplification;
the extended parallel module 6 is an independent developed parallel extended module, can realize multi-machine parallel connection,
the lithium battery pack 7 is a plurality of lithium battery packs connected in parallel and in series, is connected with the 8BMS control unit for the lithium battery pack management system and provides power supply,
the load terminal 9 is connected with the load end, and can supply power to various loads or charge batteries.
The wireless control module is a Bluetooth data exchange module
A cooling fan is arranged in the device, is a 12V fan and is connected with the current amplification control unit.
The current amplification control unit 4 comprises a current amplification MOS14, a current processing resistor 15 and a heat dissipation unit 16, and amplifies the current of the lithium battery pack 7, so as to obtain the effect of large current balance, and meanwhile, the heat dissipation fan 5 is started, and the heat dissipation unit 16 can discharge the heat generated by the current amplification MOS 14.
As shown in fig. 2, the BMS control unit 8 includes a data collection module 10 to collect information such as voltage, electric quantity, and temperature of each string in the lithium battery pack 7 to a data processor 11, and the data processor 11 compares the voltage of the lithium battery pack 7 for analysis, and finally sends the data to a data storage module 12 for storage, and a data conversion module 13 has decoding and code writing functions, and can read and write effective data through a wireless terminal APP2 connected to a specific wireless control module 3.
The lithium battery pack 7 is formed by connecting 32 channels in series.
In this scheme, the voltage of each string of batteries in the lithium battery pack 7 can be read through the wireless control module 3 terminal APP2 of the BMS control unit 8. Thereby obtain each cluster voltage, also can carry out the setting and the adjustment of electric current size through wireless terminal APP2 simultaneously, after BMS the control unit 8 obtains the instruction, will transmit the lower battery to the battery of the higher voltage in lithium cell group 7. At this time, the current amplification control unit 4 starts to work, and at this time, the voltage can be adjusted by a large current, so that the effect of equalization is achieved.
Because BMS the direct communication of BMS the ecu 8 and the current amplification the ecu 4, the group battery is established ties and is also reached 32 passageways and establish ties, and the balanced effect of single channel has been unable to satisfy the demand of group battery this moment, and the balanced effect simultaneously of multichannel can be realized to the BMS the ecu 8 and the multichannel current amplification the ecu 4 that adopt in this scheme, has practiced thrift time and the balanced effect of high accuracy greatly.
In addition, the BMS control unit 8 and the current amplification control unit 4 in the scheme both adopt common electronic components in the market, the large-current balancing effect is realized through simple combination, and the cost of equipment is greatly reduced.
Claims (6)
1. The utility model provides a multichannel lithium cell PACK equalizing equipment which characterized in that: comprises
The BMS control unit (8) is a lithium battery pack management system, manages the current and voltage of the battery and realizes the distribution of the current and voltage among the lithium battery packs (7);
the temperature sensor (1) is a temperature feedback type sensor and feeds a temperature signal back to the BMS control unit (8), and the BMS control unit (8) is connected with an external wireless terminal APP (2) through the wireless control module (3);
the current amplification control unit (4) is an MOS amplifier and a heat dissipation control panel, and can realize the effect of current amplification;
the extended parallel module (6) is an independent developed parallel extended module, can realize multi-machine parallel connection,
the lithium battery pack (7) is a plurality of lithium battery packs connected in parallel and in series and is connected with the BMS control unit (8) for the lithium battery pack management system and provides power supply,
the load end is a load terminal (9) which can supply power to various loads or charge batteries.
2. The multi-channel lithium battery PACK equalization apparatus of claim 1, wherein: the wireless control module (3) is a Bluetooth data exchange module.
3. The multi-channel lithium battery PACK equalization apparatus of claim 1, wherein: a cooling fan (5) is arranged in the device, and the cooling fan (5) is a 12V fan and is connected with the current amplification control unit.
4. The multi-channel lithium battery PACK equalization apparatus of claim 2, wherein: the current amplification control unit (4) comprises a current amplification mos (14), a current processing resistor (15) and a heat dissipation unit (16), the current of the lithium battery pack (7) is amplified, so that a large-current balance effect is obtained, meanwhile, the heat dissipation fan (5) is started, and the heat dissipation unit (16) can discharge heat generated by the current amplification mos (14).
5. The multi-channel lithium battery PACK equalization apparatus of claim 1, wherein: contain each cluster voltage in data collection module (10) with lithium cell group (7) in BMS the control unit (8), electric quantity, data processor (11) is gathered to information such as temperature, data processor (11) are simultaneously compared through the voltage to lithium cell group (7) and are analyzed, finally send data to data storage module (12) and store, data conversion module (13) have decode and write code function, can read and write in effectual data through converting into wireless terminal APP (2) that specific wireless control module 3 connects.
6. The multi-channel lithium battery PACK equalization apparatus of claim 1, wherein: the lithium battery pack (7) is connected in series by 32 channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815214.XA CN111864860A (en) | 2020-08-14 | 2020-08-14 | Multichannel lithium cell PACK equalizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010815214.XA CN111864860A (en) | 2020-08-14 | 2020-08-14 | Multichannel lithium cell PACK equalizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111864860A true CN111864860A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010815214.XA Pending CN111864860A (en) | 2020-08-14 | 2020-08-14 | Multichannel lithium cell PACK equalizing equipment |
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| Country | Link |
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| CN (1) | CN111864860A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183615U (en) * | 2011-07-12 | 2012-04-04 | 快特电波科技(苏州)有限公司 | External balancing device of series lithium battery pack |
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| CN104135047A (en) * | 2014-07-16 | 2014-11-05 | 国家电网公司 | Active and passive synergic hybrid equalization circuit of series storage battery pack, and equalization method |
| CN104836305A (en) * | 2015-05-26 | 2015-08-12 | 上海工程技术大学 | Balanced discharging circuit of battery management system |
| CN107359662A (en) * | 2017-08-01 | 2017-11-17 | 华南理工大学 | A kind of battery management system and equalization methods with parallel equalization function |
| CN107591867A (en) * | 2017-10-24 | 2018-01-16 | 安徽优旦科技有限公司 | A kind of passive equalising control device of electrokinetic cell and method |
| CN207819499U (en) * | 2018-01-18 | 2018-09-04 | 杭州电子科技大学 | It is main passively to combine buck battery equalizing circuit |
| CN208707325U (en) * | 2018-03-26 | 2019-04-05 | 南京航空航天大学 | It mows automobile-used high current lithium battery management system |
| CN110507005A (en) * | 2019-09-24 | 2019-11-29 | 深圳睿蚁科技有限公司 | A kind of energy-saving electronic atomizer |
| CN212784829U (en) * | 2020-08-14 | 2021-03-23 | 皖能新能源科技(苏州)有限公司 | Multichannel lithium cell PACK equalizing equipment |
-
2020
- 2020-08-14 CN CN202010815214.XA patent/CN111864860A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202183615U (en) * | 2011-07-12 | 2012-04-04 | 快特电波科技(苏州)有限公司 | External balancing device of series lithium battery pack |
| KR20140060801A (en) * | 2012-11-12 | 2014-05-21 | 주식회사 엘지화학 | System and method for balancing of battery using wireless communications |
| CN104135047A (en) * | 2014-07-16 | 2014-11-05 | 国家电网公司 | Active and passive synergic hybrid equalization circuit of series storage battery pack, and equalization method |
| CN104836305A (en) * | 2015-05-26 | 2015-08-12 | 上海工程技术大学 | Balanced discharging circuit of battery management system |
| CN107359662A (en) * | 2017-08-01 | 2017-11-17 | 华南理工大学 | A kind of battery management system and equalization methods with parallel equalization function |
| CN107591867A (en) * | 2017-10-24 | 2018-01-16 | 安徽优旦科技有限公司 | A kind of passive equalising control device of electrokinetic cell and method |
| CN207819499U (en) * | 2018-01-18 | 2018-09-04 | 杭州电子科技大学 | It is main passively to combine buck battery equalizing circuit |
| CN208707325U (en) * | 2018-03-26 | 2019-04-05 | 南京航空航天大学 | It mows automobile-used high current lithium battery management system |
| CN110507005A (en) * | 2019-09-24 | 2019-11-29 | 深圳睿蚁科技有限公司 | A kind of energy-saving electronic atomizer |
| CN212784829U (en) * | 2020-08-14 | 2021-03-23 | 皖能新能源科技(苏州)有限公司 | Multichannel lithium cell PACK equalizing equipment |
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