CN104908605A - BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries - Google Patents
BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries Download PDFInfo
- Publication number
- CN104908605A CN104908605A CN201510325992.XA CN201510325992A CN104908605A CN 104908605 A CN104908605 A CN 104908605A CN 201510325992 A CN201510325992 A CN 201510325992A CN 104908605 A CN104908605 A CN 104908605A
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- bms
- module
- management system
- centralized management
- lithium battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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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
-
- 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
Landscapes
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries. The decentralized detection and centralized management system comprises an upper BMS module and a plurality of lower BMS modules, wherein each of the lower BMS modules corresponds to one lithium battery module, and all the lower BMS modules are connected to the upper BMS module in parallel through a CAN bus port; each of the lower BMS modules is used for detecting the charging and discharging information of the corresponding lithium battery module and sending the detected results to the upper BMS module; the upper BMS module performs centralized management on the charging and the discharging of lithium battery modules through the CAN bus according to the received detection results. According to the decentralized detection and centralized management system disclosed by the invention, the conventional BMS technique is applied to the decentralized and centralized management of the modularized batteries; the lower BMS module in each module uploads the voltage of each battery unit to the BMS through the CAN bus so as to perform unified control and management. Through the adoption of the decentralized detection and centralized management system disclosed by the invention, the PACK, the structure mounting and the maintenance of the lithium batteries can be greatly simplified.
Description
Technical field
The present invention relates to the application of lithium cell, particularly relate to a kind of BMS decentralized detection centralized management system of Modularized lithium battery.
Background technology
Because the single battery voltage of lithium cell is lower, so the application system of most lithium cell is in series by multiple lithium cell, if lithium cell group in electronlmobil is approximately in series by joint lithium cell up to a hundred.And another feature of lithium cell to be its charging and discharging voltage can only work within the specific limits, as between 2.75V to 4.25V, otherwise lithium cell can be caused on fire or damage.Therefore must carry out Real-Time Monitoring to the charging/discharging voltage of the lithium cell in work, control the charge and discharge process of lithium cell.
The BMS battery management system of traditional lithium cell designs different battery boxs according to different vehicles, by the arrangement of all lithium cell cores wherein, then in every batteries, draws measuring line, concentrate together to BMS main board system, carry out display and control; Adopt aforesaid way not only complex structure, and the installation of battery and dismounting bother, Problem cost is higher.
Therefore, how to solve the problem and become the technical matters that those skilled in the art need solution badly.
Summary of the invention
For Problems existing in background technology, the object of the present invention is to provide a kind of BMS decentralized detection centralized management system of Modularized lithium battery, traditional BMS technology is applied to the dispersion centralized management of modular battery by this system; The voltage of each battery unit is uploaded to upper BMS by its CAN and carries out unified control and management by the next BMS module in each module.This structure can make the PACK of lithium cell, structure installment and maintenance simplify widely.
The object of the invention is to be achieved through the following technical solutions:
A BMS decentralized detection centralized management system for Modularized lithium battery, described decentralized detection centralized management system comprises upper BMS module and several the next BMS modules; The corresponding lithium battery module of each the next BMS module, all the next BMS modules are connected in parallel to described upper BMS module by CAN mouth; Described the next BMS module is for detecting the discharge and recharge information of the lithium battery module of its correspondence, and the result of detection being sent to described upper BMS module, upper BMS module is according to its testing result received and carry out centralized management by CAN to the discharge and recharge of all lithium battery modules.
Further, described the next BMS module for detect its correspondence lithium battery module in the charging/discharging voltage information of all lithium cells, and the result of detection is sent to described upper BMS module by CAN.
Further, described upper BMS model calling has touch-screen, upper BMS module carries out centralized management by the discharge and recharge information of described touch-screen to the lithium battery module that all the next BMS module that it receives is sent, and is numbered all the next BMS modules by described touch-screen.
Further, described upper BMS module sets the quantity of the lithium battery module of upper BMS module controls by described touch-screen.
Further, the quantity of several the next BMS modules described can set according to actual needs, and lithium battery module corresponding to described the next BMS module can be connected and/or in parallel according to using the equipment of lithium cell to need to carry out.
The present invention has following positive technique effect:
1. split-type accumulator modular construction makes the entire vehicle design of electronlmobil convenient, flexible;
2. installation and removal are easy;
3. maintenance is convenient with replacing battery;
4. the invention enables the PACK technology of lithium cell to simplify, modular battery is more convenient for production line balance.
5. for the marketization of electronlmobil, because its total sales volume can't compared with fuel vehicle.For the electronlmobil few in number in a city or area, past-sale service defines the huge economical burden of electronlmobil enterprise.And most of source of trouble is in battery in electronlmobil, remainder is routine techniques.Therefore, after adopting battery module of the present invention, general enterprise of vehicle maintenance and repair can complete maintenance and the replacing of battery completely.Maintenance service can be entrusted in enterprise of vehicle maintenance and repair by Automobile Enterprises completely, and cost is reduced greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of battery module of the present invention;
Fig. 2 is upper BMS module of the present invention and the next BMS model calling schematic diagram.
Detailed description of the invention
Below, with reference to accompanying drawing, more fully illustrate the present invention, accompanying drawing acceptance of the bid shows exemplary embodiment of the present invention.But the present invention can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the present invention comprehensively with complete, and scope of the present invention is fully conveyed to those of ordinary skill in the art.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
As shown in Figure 1-2, the BMS decentralized detection centralized management system of a kind of Modularized lithium battery of the application, this decentralized detection centralized management system comprises upper BMS module and several the next BMS modules; The corresponding lithium battery module of each the next BMS module, all the next BMS modules are connected in parallel to upper BMS module by CAN mouth; The next BMS module is for detecting the discharge and recharge information of the lithium battery module of its correspondence, and the result of detection is sent to upper BMS module, upper BMS module is according to its testing result received and carry out centralized management by CAN to the discharge and recharge of all lithium battery modules.
Preferably, the next BMS module for detect its correspondence lithium battery module in the charging/discharging voltage information of all lithium cells, and the result of detection is sent to upper BMS module by CAN.
Preferably, upper BMS model calling has touch-screen, and upper BMS module carries out centralized management by the discharge and recharge information of touch-screen to the lithium battery module that all the next BMS module that it receives is sent, and is numbered all the next BMS modules by touch-screen.
Preferably, upper BMS module sets the quantity of the lithium battery module of upper BMS module controls by touch-screen.
Preferably, the quantity of several the next BMS modules can set according to actual needs, and lithium battery module corresponding to the next BMS module can be connected and/or in parallel according to using the equipment of lithium cell to need to carry out.
The computer program related in foregoing all can be realized by computer program of the prior art.
The present invention is by traditional BMS technology, is applied to the dispersion centralized management of modular battery.Its inside modules structure as shown in Figure 1; In the battery module that n crosstalk pool unit is formed, one piece of voltage measurement is installed and the next BMS wiring board of the CAN mouth can kept in communication with outside, has been responsible for the data acquisition in module and and external communication.The CAN mouth of K the next BMS module is in parallel, is connected afterwards, sees Fig. 2 with the CAN mouth of upper BMS.Upper BMS unit, after the data receiving each inner BMS, is shown by touch-screen, is then controlled by the discharge and recharge of CAN to battery, can adjust the inside BMS parameter of each battery simultaneously.
Described just in order to the present invention is described above, be construed as the present invention and be not limited to above embodiment, meet the various variants of inventive concept all within protection scope of the present invention.
Claims (5)
1. a BMS decentralized detection centralized management system for Modularized lithium battery, is characterized in that, described decentralized detection centralized management system comprises upper BMS module and several the next BMS modules; The corresponding lithium battery module of each the next BMS module, all the next BMS modules are connected in parallel to described upper BMS module by CAN mouth; Described the next BMS module is for detecting the discharge and recharge information of the lithium battery module of its correspondence, and the result of detection being sent to described upper BMS module, upper BMS module is according to its testing result received and carry out centralized management by CAN to the discharge and recharge of all lithium battery modules.
2. decentralized detection centralized management system according to claim 1, it is characterized in that, described the next BMS module for detect its correspondence lithium battery module in the charging/discharging voltage information of all lithium cells, and the result of detection is sent to described upper BMS module by CAN.
3. decentralized detection centralized management system according to claim 1, it is characterized in that, described upper BMS model calling has touch-screen, upper BMS module carries out centralized management by the discharge and recharge information of described touch-screen to the lithium battery module that all the next BMS module that it receives is sent, and is numbered all the next BMS modules by described touch-screen.
4. decentralized detection centralized management system according to claim 3, is characterized in that, described upper BMS module sets the quantity of the lithium battery module of upper BMS module controls by described touch-screen.
5. decentralized detection centralized management system according to claim 1, it is characterized in that, the quantity of several the next BMS modules described can set according to actual needs, and lithium battery module corresponding to described the next BMS module can be connected and/or in parallel according to using the equipment of lithium cell to need to carry out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325992.XA CN104908605A (en) | 2015-06-15 | 2015-06-15 | BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510325992.XA CN104908605A (en) | 2015-06-15 | 2015-06-15 | BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264327A (en) * | 2017-07-04 | 2017-10-20 | 英纳威（浙江）新能源科技有限公司 | A kind of BMS distributing centralized management systems for lithium ionic cell module |
| CN107462823A (en) * | 2017-07-19 | 2017-12-12 | 安徽中能电源有限公司 | Battery of electric vehicle is internalized into charger communication maintenance and check system |
| CN105759147B (en) * | 2016-04-05 | 2019-02-19 | 深圳市清友能源技术有限公司 | A kind of integrated testing device of cell management system of electric automobile |
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Effective date of registration: 20160930 Address after: 230001, Anhui province high tech Zone, 2800 innovation Avenue, 202 innovation industry park, H2 building, room two, Hefei Applicant after: HEFEI ZHONGHANG NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD. Address before: 201108 Shanghai Wang Minhang District Town Village No. 9 yellow Applicant before: Wang Fengcheng |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150916 |
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| RJ01 | Rejection of invention patent application after publication |