CN103401033B - Based on battery pack and the management system thereof of carrier communication - Google Patents
Based on battery pack and the management system thereof of carrier communication Download PDFInfo
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- CN103401033B CN103401033B CN201310330818.5A CN201310330818A CN103401033B CN 103401033 B CN103401033 B CN 103401033B CN 201310330818 A CN201310330818 A CN 201310330818A CN 103401033 B CN103401033 B CN 103401033B
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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
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Abstract
The present invention relates to the battery pack based on carrier communication and management system thereof, batteries management system comprises main watch-dog, battery pack and comprises each cell monitoring module of microprocessor, and each cell monitoring module is communicated to connect by carrier communication mode and main watch-dog: the primary circuit formed down in working order with battery pack is for carrier channel; Microprocessor is connected on the primary circuit of corresponding cell by carrier communication module, and communication interface and the primary circuit of main watch-dog are of coupled connections; The present invention adopts carrier communication each cell state information to be converted into high-frequency signal to be added on system major loop, the high-frequency signal that each cell monitoring module uploads is obtained by carrier communication equipment, and then process acquisition battery status information is carried out to high-frequency signal, eliminate traditional external attached to power and communication line, make batteries management system design, safeguard more simple, reliably.
Description
Technical field
The invention belongs to technical field of battery management, relate to the battery pack based on carrier communication and management system thereof.
Background technology
Increasingly mature along with battery technology, battery applications field constantly expands, the growing growth of number of applications.Usually, in battery applications technology, serial or parallel connection is adopted to expand battery system capacity in groups.In battery system daily use, need the critical state information such as each monomer battery voltage, temperature, electric current, SOC in real-time monitoring battery system, and carry out corresponding discharge and recharge operation according to above-mentioned state information.
In addition, the battery power supply system be made up of numerous cell also exists wooden pail effect, namely the active volume of whole battery power supply system is determined by the cell capacity that system for content amount is minimum, the cell that capacity is minimum triggers to overcharge/cross prior to other cells in charge and discharge process puts warning, system charge and discharge process stops, and causes most of power system capacity to use.
Along with the use of battery system, in battery power supply system, each cell consistency worse and worse, and namely each cell actual active volume difference is increasing, finally becomes the primary factor affecting battery power supply system active volume.For solving above-mentioned consistency problem, initiatively electricity transfer or passive resistance power consumption technology is usually adopted to improve the consistency of battery power supply system at present.But above-mentioned Technology Restriction all fails each cell to return to factory state in control strategy and circuit structure.
Carry out consistency reparation for cell state information (voltage, electric current, temperature, SOC) each in monitoring battery power-supply system, current battery management system adopts master-slave designation usually.Monitor the state information of several cells from control module in charge, be uploaded to main control module by CAN for one.Main control module is responsible for collecting the state information of multiple cell uploaded from control module, forms the condition monitoring to whole battery power supply system and formation control strategy, and corresponding control strategy is issued to each and carries out consistency reparation from control module.Application number is that the name of 200780048774.X is called that the Chinese patent of " battery management system " discloses a kind of battery management system, this system adopts host-guest architecture, need between principal and subordinate's module to build complicated tree-shaped power supply and communication line, accessory circuit seriously constrains the design and operation stability of battery power supply system; In battery system charge and discharge process, consistency reparation can only be carried out to a certain cell at one time from control module, practical application shows, need branched monomer to carry out consistency reparation at one time, traditional hypotactic battery management system can not in a charging process by battery consistency reparation to factory state.
Summary of the invention
The object of this invention is to provide a kind of battery pack based on carrier communication, to solve existing battery pack attached complex circuit, problem that maintenance cost is high when managing.
Another object of the present invention is to provide a kind of batteries management system based on carrier communication, and to solve, the attached complex circuit of existing battery management system, maintenance cost are high, the problem of battery consistency repairing effect difference.
For realizing the first goal of the invention, battery pack based on carrier communication of the present invention comprises each cell monitoring module, this cell monitoring module comprises microprocessor, described cell monitoring module is equipped with the carrier communication module for communicating with main watch-dog, and described microprocessor is connected on the terminal of corresponding cell by carrier communication module.
Described carrier communication module is ad/da converter, and its digital end connects microprocessor, and analog end is connected on the terminal of corresponding battery.
Described cell monitoring module is installed on outside cell positive and negative terminals or is integrated in cell inside.
For realizing the second goal of the invention, batteries management system based on carrier communication of the present invention comprises main watch-dog, the battery pack each cell monitoring module that be provided with corresponding to each cell, each cell monitoring module includes microprocessor, and each cell monitoring module is communicated to connect by carrier communication mode and described main watch-dog: the primary circuit formed down in working order with battery pack is for carrier channel; Described microprocessor is connected on the primary circuit of corresponding cell by carrier communication module, and communication interface and the primary circuit of described main watch-dog are of coupled connections.
Described main watch-dog is coupled with high-frequency mutual inductor.
Described carrier communication module is ad/da converter, and its digital end connects microprocessor, and analog end is connected on the terminal of corresponding battery.
Described cell monitoring module is installed on outside cell positive and negative terminals or is integrated in cell inside.
Of the present invention based in the battery pack of carrier communication, cell monitoring module is for often propping up cell independent design, cell monitoring module is provided with the carrier communication module for communicating with main watch-dog, microprocessor is connected on the terminal of corresponding cell by carrier communication module, the external attached can saving conventional management system complexity is powered and communication line, makes battery power supply system design maintenance more simple, reliable.Cell monitoring module can be installed near cell nearby, improves the independence of each cell in battery system.
Of the present inventionly carrier communication is adopted each cell state information is converted into high-frequency signal is added on system major loop based on carrier communication battery management system, obtain by carrier communication equipment the high-frequency signal that each cell monitoring module uploads, and then process is carried out to high-frequency signal obtain battery status information; Equally, also can obtain the instruction of master controller setting parameter by the high-frequency signal on a circuit for each cell monitoring module, adjustment is reported to the police, Protection parameters; Native system can save traditional external attached and power and communication line, makes batteries management system design maintenance more simple, reliable.Cell monitoring module can be installed near cell nearby, improves the independence of each cell in battery system.
Accompanying drawing explanation
Fig. 1 is cell monitoring module theory diagram of the present invention;
Fig. 2 is batteries management system theory diagram of the present invention.
Embodiment
One, based on the battery pack of carrier communication
As shown in Figure 2, each cell monitoring module should be comprised based on the battery pack of carrier communication, this cell monitoring module comprises microprocessor and the carrier communication module for communicating with main watch-dog, and microprocessor is connected on the terminal of corresponding cell by carrier communication module.The signal that carrier communication module is used for microprocessor transmits is converted to high-frequency signal, its digital end connects microprocessor, analog end is connected on the terminal of corresponding battery, and carrier communication module can be ad/da converter, also can adopt other equipment with this translation function.
Cell monitoring module comprises and to be connected with Micro-processor MCV the acquisition processing module that forms and repair module by the metal-oxide-semiconductor consistency formed in series with a resistor by monitoring sensor, Micro-processor MCV control connection metal-oxide-semiconductor, acquisition processing module and consistency are repaired module and are adopted microminiaturized integrated technology to be integrated in a micromodule, this micromodule is installed on outside cell positive and negative terminals, and also accessible site is inner in cell.Cell monitoring module completes power supply by the electricity taking from cell.Import the monomer battery voltage collected or temperature signal into Micro-processor MCV, after carrying out logical process, judge that monomer battery voltage is the need of limiting, when monomer battery voltage exceedes set point, Micro-processor MCV applies conducting voltage by b1 mouth to metal-oxide-semiconductor, metal-oxide-semiconductor conducting, after metal-oxide-semiconductor conducting, resistance R is connected across cell two ends, and resistance R will consume the energy of cell, stops terminal voltage to rise.
The separate operation of each cell monitoring module, warning at different levels and Protection parameters can independently be arranged.At one time in multiple cell monitoring module can be had to carry out resistance power consumption, in battery power supply system, each cell charges to same terminal voltage state the most at last, in battery system between each cell consistent state recovery to factory state.
Two, based on the batteries management system of carrier communication
As shown in Figure 2, batteries management system based on carrier communication comprises main watch-dog, the battery pack each cell monitoring module that be provided with corresponding to each cell, each cell monitoring module includes microprocessor, and each cell monitoring module is communicated to connect by carrier communication mode and described main watch-dog: the primary circuit formed down in working order with battery pack is for carrier channel; Microprocessor is connected on the primary circuit of corresponding cell by carrier communication module, and communication interface and the primary circuit of main watch-dog are of coupled connections.Main watch-dog is coupled with high-frequency mutual inductor.The signal that carrier communication module is used for microprocessor transmits is converted to high-frequency signal, its digital end connects microprocessor, analog end is connected on the terminal of corresponding battery, and carrier communication module can be ad/da converter, also can adopt other equipment with this translation function.In Fig. 2,1 represents load, and 2 represent high-frequency mutual inductor.
As shown in Figure 1, cell monitoring module comprises and to be connected with Micro-processor MCV the acquisition processing module that forms and repair module by the metal-oxide-semiconductor consistency formed in series with a resistor by monitoring sensor, and Micro-processor MCV control connection metal-oxide-semiconductor, signal is connected into main control module by analog to digital converter ADC by Micro-processor MCV.Acquisition processing module and consistency are repaired module and are adopted microminiaturized integrated technology to be integrated in a micromodule, and this micromodule is installed on outside cell positive and negative terminals, and also accessible site is inner in cell.Cell monitoring module completes power supply by the electricity taking from cell.Monitoring sensor is the transducer for gathering cell pressure and temperature signal, imports the monomer battery voltage at two ends or temperature signal into Micro-processor MCV, completes the collection to monomer battery voltage, temperature.Cell monitoring module is to collecting after voltage signal carries out logical process, judge that monomer battery voltage is the need of limiting, when monomer battery voltage exceedes set point, Micro-processor MCV applies conducting voltage by b1 mouth to metal-oxide-semiconductor, metal-oxide-semiconductor conducting, after metal-oxide-semiconductor conducting, is connected across cell two ends by resistance R, resistance R will consume the energy of cell, stops terminal voltage to rise.
The separate operation of each cell monitoring module, warning at different levels and Protection parameters can independently be arranged.At one time in multiple cell monitoring module can be had to carry out resistance power consumption, in battery power supply system, each cell charges to same terminal voltage state the most at last, in battery system between each cell consistent state recovery to factory state.
Each cell monitoring module completes the Acquire and process of cell terminal voltage, temperature by Micro-processor MCV, and be converted to analog signal by analog to digital converter ADC by needing the digital signal uploaded, analog signal after conversion is uploaded to upper level supervisory control system by the primary circuit of battery system, and accepts the instruction of supervisory control system by primary circuit.
This modular design is a micromodule by miniaturization technologies by each cell monitoring module, can be installed on outside cell positive and negative terminals, or be integrated in cell inside.Multiple monomer monitoring module can use by tandem, and grouped aspect is equal to cell completely.Signal in primary circuit obtains by transformer or instrument transformer, carries out Treatment Analysis afterwards by main control module.
Each cell state information is converted into high-frequency signal and is added on system major loop by batteries management system employing carrier communication, obtain by high-frequency mutual inductor the high-frequency signal that each controller uploads, and then DSP process is carried out to high-frequency signal obtain battery status information; Equally, also can obtain the instruction of host computer setting parameter by the high-frequency signal on a circuit for each cell monitoring module, adjustment is reported to the police, Protection parameters; This kind of design can be saved traditional external attached and be powered and communication line, makes battery power supply system design maintenance more simple, reliable.
It should be noted last that: above embodiment is the non-limiting technical scheme of the present invention in order to explanation only, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that; Still can modify to the present invention or equivalent replacement, and not depart from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (3)
1. based on the battery pack of carrier communication, comprise each cell monitoring module, this cell monitoring module comprises microprocessor, it is characterized in that, described cell monitoring module is equipped with the carrier communication module for communicating with main watch-dog, and described microprocessor is connected on the terminal of corresponding cell by carrier communication module; The consistency that battery cell monitoring module also comprises metal-oxide-semiconductor formation in series with a resistor repairs module, and described consistency repairs wired in parallel at cell two ends, and Microprocessor S3C44B0X connects metal-oxide-semiconductor; Import the monomer battery voltage collected or temperature signal into microprocessor, after carrying out logical process, judge that monomer battery voltage is the need of limiting, when monomer battery voltage exceedes set point, microprocessor applies conducting voltage by the b1 mouth of microprocessor to metal-oxide-semiconductor, after metal-oxide-semiconductor conducting, resistance is connected across cell two ends, resistance will consume the energy of cell, stops terminal voltage to rise.
2. the battery pack based on carrier communication according to claim 1, is characterized in that: described carrier communication module is ad/da converter, and its digital end connects microprocessor, and analog end is connected on the terminal of corresponding battery.
3. the battery pack based on carrier communication according to claim 1 and 2, is characterized in that: described cell monitoring module is installed on outside cell positive and negative terminals or is integrated in cell inside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310330818.5A CN103401033B (en) | 2013-07-26 | 2013-07-26 | Based on battery pack and the management system thereof of carrier communication |
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| CN201310330818.5A CN103401033B (en) | 2013-07-26 | 2013-07-26 | Based on battery pack and the management system thereof of carrier communication |
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| CN103401033B true CN103401033B (en) | 2015-12-23 |
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| CN111016732A (en) * | 2018-10-09 | 2020-04-17 | 郑州宇通客车股份有限公司 | New energy automobile and battery management system thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810878A (en) * | 2011-05-30 | 2012-12-05 | 苏州润源电气技术有限公司 | Intelligent battery module and method and system for achieving precise management of monomer power batteries |
| CN202696243U (en) * | 2012-08-17 | 2013-01-23 | 苏州嘉亿睿耘科技有限公司 | Intelligent component |
| CN203481331U (en) * | 2013-07-26 | 2014-03-12 | 中航锂电（洛阳）有限公司 | Battery pack based on carrier communication technology and management system of battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4569575B2 (en) * | 2007-01-16 | 2010-10-27 | トヨタ自動車株式会社 | Secondary battery internal resistance detection device and detection method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810878A (en) * | 2011-05-30 | 2012-12-05 | 苏州润源电气技术有限公司 | Intelligent battery module and method and system for achieving precise management of monomer power batteries |
| CN202696243U (en) * | 2012-08-17 | 2013-01-23 | 苏州嘉亿睿耘科技有限公司 | Intelligent component |
| CN203481331U (en) * | 2013-07-26 | 2014-03-12 | 中航锂电（洛阳）有限公司 | Battery pack based on carrier communication technology and management system of battery pack |
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Effective date of registration: 20211231 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |