CN203481331U - Battery pack based on carrier communication technology and management system of battery pack - Google Patents
Battery pack based on carrier communication technology and management system of battery pack Download PDFInfo
- Publication number
- CN203481331U CN203481331U CN201320466146.6U CN201320466146U CN203481331U CN 203481331 U CN203481331 U CN 203481331U CN 201320466146 U CN201320466146 U CN 201320466146U CN 203481331 U CN203481331 U CN 203481331U
- Authority
- CN
- China
- Prior art keywords
- carrier communication
- cell
- battery pack
- battery
- management system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a battery pack based on a carrier communication technology and a management system of the battery pack. The battery pack management system comprises master monitor equipment, the battery pack and battery cell monitor modules with microprocessors, wherein each battery cell monitor module is in communication connection with the master monitor equipment in a carrier communication mode, and a primary loop formed in a working state by the battery pack is used as a carrier channel; each microprocessor is connected to the primary loop of the corresponding battery cell through the carrier communication module; a communication interface of the master monitor equipment is in coupling connection with the corresponding primary loop. According to the management system, information of each battery cell state is converted into a high-frequency signal and superposed on a primary master loop of the system, the high-frequency signal uploaded by each battery cell monitor module can be acquired through the carrier communication equipment, and the high-frequency signal can be processed to obtain the information of the battery state, so that conventional external attached power supplies and communication circuits can be saved, and the battery pack management system is relatively easy and reliable to design and maintain.
Description
Technical field
The utility model belongs to battery management technical field, relates to a kind of battery pack and management system thereof based on carrier communication.
Background technology
Increasingly mature along with battery technology, battery applications field constantly expands, the growing growth of number of applications.Conventionally, in battery applications technology, adopt serial or parallel connection to expand in groups battery system capacity.In battery system daily use, need the key state information such as interior each monomer battery voltage of real-time monitoring battery system, temperature, electric current, SOC, and discharge and recharge accordingly operation according to above-mentioned state information.
In addition, the battery power supply system consisting of numerous cells exists wooden barrel effect, the active volume that is whole battery power supply system is determined by the minimum cell capacity of system for content amount, the minimum cell of capacity 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, worse and worse, the actual active volume difference of each cell is increasing, finally becomes the primary factor that affects battery power supply system active volume for each cell consistency.For solving above-mentioned consistency problem, conventionally adopt at present initiatively electric weight transfer or passive resistance power consumption technology to improve the consistency of battery power supply system.But above-mentioned Technology Restriction all fails each cell to return to factory state in control strategy and circuit structure.
For each cell state information (voltage, electric current, temperature, SOC) in monitoring battery power-supply system and carry out consistency reparation, current battery management system adopts principal and subordinate to design conventionally.A state information of being responsible for monitoring several cells from control module, is uploaded to main control module by CAN bus.Main control module is responsible for collecting the state information of a plurality of cells of uploading from control module, forms the condition monitoring of whole battery power supply system formation control strategy, and corresponding control strategy is issued to each from control module, carries out consistency reparation.Application number is that the Chinese patent that the name of 200780048774.X is called " battery management system " discloses a kind of battery management system, this system adopts host-guest architecture, between principal and subordinate's module, need to build complicated tree-shaped power supply and communication line, accessory circuit has seriously restricted the design and operation stability of battery power supply system; In battery system charge and discharge process, from control module, can only carry out consistency reparation to a certain cell at one time, practical application shows, need at one time branched monomer to carry out consistency reparation, traditional hypotactic battery management system can not be repaired battery consistency to factory state in a charging process.
Utility model content
The purpose of this utility model is to provide a kind of battery pack based on carrier communication, to solve existing battery pack in when management attached complex circuit, problem that maintenance cost is high.
Another object of the present utility model is to provide a kind of batteries management system based on carrier communication, to solve the attached complex circuit of existing battery management system, maintenance cost is high, battery consistency repairing effect is poor problem.
For realizing the first goal of the invention, battery pack based on carrier communication of the present utility model comprises each cell monitoring module, this cell monitoring module comprises microprocessor, described cell monitoring module is equipped with the carrier communication module for communicating by letter 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 cell positive and negative terminals outside or is integrated in cell inside.
For realizing the second goal of the invention, batteries management system based on carrier communication of the present utility model comprises main watch-dog, battery pack each cell monitoring module of being provided with corresponding to each cell, each cell monitoring module includes microprocessor, each cell monitoring module communicates to connect by carrier communication mode and described main watch-dog, and the carrier channel of described carrier communication is the primary circuit forming down in working order with battery pack; Described microprocessor is connected to by carrier communication module on the primary circuit of corresponding cell, and communication interface and the primary circuit of described main watch-dog are of coupled connections
Described main watch-dog and high-frequency mutual inductor coupling.
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 cell positive and negative terminals outside or is integrated in cell inside.
In battery pack based on carrier communication of the present utility model, cell monitoring module is for every cell independent design, cell monitoring module is provided with the carrier communication module for communicating by letter with main watch-dog, microprocessor is connected on the terminal of corresponding cell by carrier communication module, can save external attached power supply and the communication line of conventional management system complex, make 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 utility modelly based on carrier communication battery management system, adopt carrier communication that each cell state information is converted into high-frequency signal to be added on major loop of system, by carrier communication equipment, obtain the high-frequency signal that each cell monitoring module is uploaded, and then high-frequency signal is processed and obtained battery status information; Equally, for each cell monitoring module, also can obtain the instruction of master controller setting parameter by the high-frequency signal on a circuit, adjust warning, Protection parameters; Native system can save traditional external attached power supply 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 the utility model cell monitoring module theory diagram;
Fig. 2 is the utility model batteries management system theory diagram.
Embodiment
One, the battery pack based on carrier communication
As shown in Figure 2, should the battery pack based on carrier communication comprise each cell monitoring module, this cell monitoring module comprises microprocessor and carrier communication module for communicating by letter with main watch-dog, and microprocessor is connected on the terminal of corresponding cell by carrier communication module.Carrier communication module is converted to high-frequency signal for the signal that microprocessor is transmitted, 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 by monitoring sensor, is connected the acquisition processing module that forms with Micro-processor MCV and repairs module by the metal-oxide-semiconductor consistency forming in series with a resistor, 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 cell positive and negative terminals outside, also can be integrated in cell inside.Cell monitoring module completes power supply by taking from the electric weight of cell.Import the monomer battery voltage collecting or temperature signal into Micro-processor MCV, carry out after logical process, judge whether monomer battery voltage needs to limit, when monomer battery voltage surpasses 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 to 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, warnings at different levels and Protection parameters can be distinguished independent setting.At one time, can have a plurality of cell monitoring modules to carry out resistance power consumption, in battery power supply system, each cell charges to same terminal voltage state the most at last, and between interior each cell of battery system, consistent state recovery is to factory state.
Two, the batteries management system based on carrier communication
As shown in Figure 2, batteries management system based on carrier communication comprises main watch-dog, battery pack each cell monitoring module of being provided with corresponding to each cell, each cell monitoring module includes microprocessor, each cell monitoring module communicates to connect by carrier communication mode and described main watch-dog, and the carrier channel of described carrier communication is the primary circuit forming down in working order with battery pack; Microprocessor is connected to by carrier communication module on the primary circuit of corresponding cell, and communication interface and the primary circuit of main watch-dog are of coupled connections.Main watch-dog and high-frequency mutual inductor coupling.Carrier communication module is converted to high-frequency signal for the signal that microprocessor is transmitted, 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 by monitoring sensor, is connected the acquisition processing module that forms with Micro-processor MCV and repairs module by the metal-oxide-semiconductor consistency forming in series with a resistor, and Micro-processor MCV control connection metal-oxide-semiconductor, Micro-processor MCV is connected into main control module by analog to digital converter ADC by signal.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 cell positive and negative terminals outside, also can be integrated in cell inside.Cell monitoring module completes power supply by taking from the electric weight of cell.Monitoring sensor, for for gathering the transducer of battery 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 carries out after logical process collecting voltage signal, judge whether monomer battery voltage needs to limit, when monomer battery voltage surpasses 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, warnings at different levels and Protection parameters can be distinguished independent setting.At one time, can have a plurality of cell monitoring modules to carry out resistance power consumption, in battery power supply system, each cell charges to same terminal voltage state the most at last, and between interior each cell of battery system, consistent state recovery is to factory state.
Each cell monitoring module completes collection and the processing of cell terminal voltage, temperature by Micro-processor MCV, and the digital signal of needs being uploaded by analog to digital converter ADC is converted to analog signal, analog signal after conversion is uploaded to upper level supervisory control system by the primary circuit of battery system, and by primary circuit, accepts the instruction of supervisory control system.
Each cell monitoring module is a micromodule by miniaturization technologies by this modular design, can be installed on cell positive and negative terminals outside, or be integrated in cell inside.A plurality of monomer monitoring modules can be used in front and back series connection, and form is equal to cell completely in groups.Signal in primary circuit can obtain by transformer or instrument transformer, carries out Treatment Analysis afterwards by main control module.
Batteries management system adopts carrier communication that each cell state information is converted into high-frequency signal and is added on major loop of system, by high-frequency mutual inductor, obtain the high-frequency signal that each controller is uploaded, and then high-frequency signal is carried out to DSP and process acquisition battery status information; Equally, for each cell monitoring module, also can obtain the instruction of host computer setting parameter by the high-frequency signal on a circuit, adjust warning, Protection parameters; This kind of design can be saved traditional external attached power supply 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 the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that; Still can modify or be equal to replacement the utility model, and not depart from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. the battery pack based on 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 by letter with main watch-dog, and described microprocessor is connected on the terminal of corresponding cell by carrier communication module.
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 cell positive and negative terminals outside or is integrated in cell inside.
4. the batteries management system based on carrier communication, comprise main watch-dog, battery pack each cell monitoring module of being provided with corresponding to each cell, each cell monitoring module includes microprocessor, it is characterized in that: each cell monitoring module communicates to connect by carrier communication mode and described main watch-dog, the carrier channel of described carrier communication is the primary circuit forming down in working order with battery pack; Described microprocessor is connected to by carrier communication module on the primary circuit of corresponding cell, and communication interface and the primary circuit of described main watch-dog are of coupled connections.
5. the batteries management system based on carrier communication according to claim 4, is characterized in that: described main watch-dog and high-frequency mutual inductor coupling.
6. the batteries management system based on carrier communication according to claim 4, 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.
7. according to the batteries management system based on carrier communication described in claim 4 or 5 or 6, it is characterized in that: described cell monitoring module is installed on cell positive and negative terminals outside or is integrated in cell inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466146.6U CN203481331U (en) | 2013-07-26 | 2013-07-26 | Battery pack based on carrier communication technology and management system of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466146.6U CN203481331U (en) | 2013-07-26 | 2013-07-26 | Battery pack based on carrier communication technology and management system of battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481331U true CN203481331U (en) | 2014-03-12 |
Family
ID=50229600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320466146.6U Expired - Lifetime CN203481331U (en) | 2013-07-26 | 2013-07-26 | Battery pack based on carrier communication technology and management system of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481331U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401033A (en) * | 2013-07-26 | 2013-11-20 | 中航锂电（洛阳）有限公司 | Battery pack based on carrier communication technology, and management system thereof |
| CN111098752A (en) * | 2018-10-09 | 2020-05-05 | 郑州宇通客车股份有限公司 | Battery management system and new energy automobile |
| CN114013299A (en) * | 2021-11-29 | 2022-02-08 | 同济大学 | Lithium ion battery pack carrier communication system and electric automobile |
-
2013
- 2013-07-26 CN CN201320466146.6U patent/CN203481331U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401033A (en) * | 2013-07-26 | 2013-11-20 | 中航锂电（洛阳）有限公司 | Battery pack based on carrier communication technology, and management system thereof |
| CN103401033B (en) * | 2013-07-26 | 2015-12-23 | 中航锂电（洛阳）有限公司 | Based on battery pack and the management system thereof of carrier communication |
| CN111098752A (en) * | 2018-10-09 | 2020-05-05 | 郑州宇通客车股份有限公司 | Battery management system and new energy automobile |
| CN114013299A (en) * | 2021-11-29 | 2022-02-08 | 同济大学 | Lithium ion battery pack carrier communication system and electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106532889A (en) | Direct-current power system having parallel battery modules and method | |
| CN108275017A (en) | Active equalization system and control method for power battery pack | |
| CN210894630U (en) | Dynamic monitoring system for multiple groups of batteries | |
| CN106532888A (en) | Parallel battery module and method | |
| CN203481331U (en) | Battery pack based on carrier communication technology and management system of battery pack | |
| CN102353908A (en) | Voltage acquisition system for battery pack | |
| CN206195384U (en) | Intelligent balanced charging and discharging circuit device of lithium cell group that can communicate | |
| CN206272312U (en) | A kind of DC power system with batteries in parallel connection module | |
| CN205544504U (en) | Portable container battery compartment battery charge and discharge based on be total to dc bus | |
| CN205070589U (en) | Multi -functional ACDC converting means | |
| CN206422584U (en) | A kind of batteries in parallel connection module and DC power system | |
| CN103401033B (en) | Based on battery pack and the management system thereof of carrier communication | |
| CN202206168U (en) | Lithium ion battery energy storage system | |
| CN104052116A (en) | Uninterrupted power system for lithium ion battery | |
| CN218161822U (en) | Oil-electricity hybrid system of diesel generator | |
| CN203967801U (en) | The large current balance charger of lithium battery | |
| CN111952998A (en) | Large-scale integrated energy storage system and development method | |
| CN215681813U (en) | Parallel energy storage system | |
| CN106300461A (en) | A kind of ups system of intelligent management battery | |
| CN203690965U (en) | Mining flame-proof uninterrupted lithium-ion direct current power supply | |
| CN205355195U (en) | Power battery organizes structure | |
| CN203606472U (en) | Detection device of electric locomotive storage battery residual capacity | |
| CN206164198U (en) | Lithium cell power conversion unit | |
| CN207304002U (en) | A kind of DC energy source router with multi input end | |
| CN207835131U (en) | Intelligent charge control device for wind-driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 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. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |
|
| CX01 | Expiry of patent term |