CN106291388A - The remote monitoring method of a kind of lithium battery and system - Google Patents
The remote monitoring method of a kind of lithium battery and system Download PDFInfo
- Publication number
- CN106291388A CN106291388A CN201610886283.3A CN201610886283A CN106291388A CN 106291388 A CN106291388 A CN 106291388A CN 201610886283 A CN201610886283 A CN 201610886283A CN 106291388 A CN106291388 A CN 106291388A
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- Prior art keywords
- lithium battery
- cell
- data
- battery
- monitoring method
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Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 104
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 16
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 2
- 230000003862 health status Effects 0.000 abstract description 5
- 150000002641 lithium Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to field of lithium, particularly relate to remote monitoring method and the system of a kind of lithium battery.Described remote monitoring method includes: obtain current data and the voltage data of each cell output in lithium battery；Judge that whether current data that each cell exports and voltage data are beyond the threshold range preset；If so, each cell in described lithium battery is carried out equilibrium treatment；Judge in preset time range whether the current data of the output of each cell after equalised process and voltage data return to the threshold range preset；If it is not, send warning information.The remote monitoring method that the present invention provides can directly obtain the total data since battery core is run in lithium battery bag, understand and run health status and the big data of relevant lithium battery electric core, if the current data of each cell output after equalised process and voltage data also fail to the threshold range returning to preset, then alert, improve the safety that lithium battery uses.
Description
Technical field
The present invention relates to field of lithium, particularly relate to remote monitoring method and the system of a kind of lithium battery.
Background technology
Owing to lithium battery has the features such as higher running voltage, energy density, pollution-free, environmental friendliness and extensively closed
Note, and application is progressively started in fields such as electric bicycle, electric automobile, energy storage.Compared with plumbic acid, nickel-cadmium cell, lithium battery
Management more complicated, the safety of lithium battery simultaneously is one of emphasis of concern, and current people are for the peace of lithium battery
Full property has carried out substantial amounts of research work, attempts reducing the danger of lithium battery.
At present lithium battery fault diagnosis, investigate, reclaim again with being all to need utilize manual site to inquire about one by one and survey
Examination is disassembled, but it is the biggest to disassemble workload one by one.
Summary of the invention
The technical problem to be solved is: provide a kind of long-range monitoring can remotely monitored lithium battery
Method and system.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of remote monitoring method of lithium battery, including:
Obtain current data and the voltage data of each cell output in lithium battery；
Judge that whether current data that each cell exports and voltage data are beyond the threshold range preset；
If so, each cell in described lithium battery is carried out equilibrium treatment；
Judge in preset time range current data and the voltage number of the output of each cell after equalised process
According to whether returning to the threshold range preset；
If it is not, send warning information.
Another technical scheme that the present invention uses is:
A kind of remote supervision system of lithium battery, including: lithium battery box, satellite equipments and Cloud Server；
Battery management system and the more than one lithium being connected respectively it is provided with battery management system in described lithium battery box
Battery；Described battery management system is integrated with Big Dipper communication device and balancer；The outer surface of described lithium battery box is provided with
The antenna being connected with Big Dipper communication device；Described balancer includes more than one resistance and is arranged on the branch road of described resistance
On branch switch；One described resistance is connected in parallel with a cell in lithium battery；
Described Big Dipper communication device sets up communication by antenna and satellite equipments with Cloud Server.
The beneficial effects of the present invention is: big for secondary utilization or the echelon screening difficulty of lithium battery in prior art,
Workload is big and does not has the battery core work operating state data of set of cells so that cannot know the relevant information in set of cells,
Easily cause equipment pollution, explode, burn and the problem of human life's property safety, the long-range prison of the lithium battery that the present invention provides
Survey method and system and can directly obtain the total data since battery core is run in lithium battery bag, understand and run health status, electricity
Core stability and the big data of relevant lithium battery electric core, by obtaining current data and the electricity of each cell output in lithium battery
Pressure data, are uploaded to Cloud Server storage, and carry out equilibrium treatment when beyond the threshold range preset, if equalised process
After the current data of each cell output and voltage data also fail to the threshold range that returns to preset, then accuse
Alert, and then improve the safety that lithium battery uses.User can pass through mobile phone or computer terminal real-time query lithium battery service data,
Be conducive at once judging whether this lithium battery can utilize with secondary or echelon and scrap process.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the remote monitoring method of the lithium battery of the present invention；
Fig. 2 is the structural representation of the remote supervision system of the lithium battery of the present invention；
Fig. 3 is the structural representation of the battery management system of the remote supervision system of the lithium battery of the present invention；
Label declaration:
1, lithium battery box；10, lithium battery；20, battery management system；201, Big Dipper communication device；202, balancer；2、
Antenna；3, satellite equipments；4, Cloud Server.
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is: judge each cell after equalised process in preset time range
Whether the current data of output and voltage data return to the threshold range preset；If it is not, send warning information, and then improve lithium
The safety that battery uses.
Refer to Fig. 1, the remote monitoring method of a kind of lithium battery that the present invention provides, including:
Obtain current data and the voltage data of each cell output in lithium battery；
Judge that whether current data that each cell exports and voltage data are beyond the threshold range preset；
If so, each cell in described lithium battery is carried out equilibrium treatment；
Judge in preset time range current data and the voltage number of the output of each cell after equalised process
According to whether returning to the threshold range preset；
If it is not, send warning information.
Knowable to foregoing description, the beneficial effects of the present invention is: the remote monitoring method of the lithium battery that the present invention provides
Can directly obtain the total data since battery core is run in lithium battery bag, understand and run health status, battery core stability and phase
Close the big data of lithium battery electric core, by obtaining current data and the voltage data of each cell output in lithium battery, upload
Store to Cloud Server, and carry out equilibrium treatment when beyond the threshold range preset, if each list after equalised process
The current data of body battery output and voltage data also fail to the threshold range returning to preset, then alert, and then improve
The safety that lithium battery uses.User can pass through mobile phone or computer terminal real-time query lithium battery service data, is conducive at once
Judge whether this lithium battery can utilize with secondary or echelon and scrap process.
Further, described equalization processing step is:
On each cell, a resistance in parallel, arranges a branch switch on the branch road of described resistance；
When receiving the information of equilibrium treatment, the branch switch answered according to described information closed pair.
Seen from the above description, during branch switch Guan Bi, the branch road of resistance is the effect that cell plays shunting.Above-mentioned
Information include the numbering that needs to carry out the branch switch corresponding to the cell of equilibrium treatment, all of branch switch is respectively
Being connected with controller, switched on-off by controller controlling brancher, controller will need the branch road of Guan Bi according to described numbering
Switch Guan Bi.Described branch switch can be relay, and controller sends a high level signal and just closes to relay, relay
Close, if low level signal just disconnects.
Further, further comprise the steps of:
Receive and preserve described warning information.
Seen from the above description, above-mentioned warning information includes abnormal prompt information and the dependency number of each battery cell
According to, it is stored in high in the clouds, it is simple to follow-up data query and analysis.
Further, further comprise the steps of:
Obtain the temperature data of each cell in lithium battery；
Judge that whether the temperature data of each cell is beyond the temperature threshold scope preset；
If so, each cell in described lithium battery is carried out equilibrium treatment.
Refering to Fig. 2-3, the remote supervision system of a kind of lithium battery that the present invention provides, including: lithium battery box 1, satellite fill
Put 3 and Cloud Server 4；
Be provided with in described lithium battery box 1 battery management system 20 and be connected with battery management system 20 respectively more than one
Lithium battery 10；Described battery management system 20 is integrated with Big Dipper communication device 201 and balancer 202；Described lithium battery box 1
Outer surface be provided with the antenna 2 being connected with Big Dipper communication device 201；Described balancer 202 includes more than one resistance
With the branch switch on the branch road being arranged on described resistance；One described resistance is in parallel with a cell in lithium battery even
Connect；
Described Big Dipper communication device 201 sets up communication by antenna 2 and satellite equipments 3 with Cloud Server 4.
The remote supervision system of lithium battery that the present invention provides can directly obtain since battery core in lithium battery bag runs
Total data, understands and runs health status, battery core stability and the big data of relevant lithium battery electric core, every by obtaining in lithium battery
The current data of individual cell output and voltage data, be uploaded to Cloud Server storage, and when beyond the threshold value model preset
Equilibrium treatment is carried out, if the current data of each cell output after equalised process and voltage data also fail to extensive when enclosing
Again to the threshold range preset, then alert, and then improve the safety that lithium battery uses.User can pass through mobile phone or computer
Terminal real-time query lithium battery service data, is conducive at once judging whether this lithium battery can utilize with secondary or echelon and scrap
Process.
During branch switch Guan Bi, the branch road of resistance is the effect that cell plays shunting.Above-mentioned information includes needs
Carrying out the numbering of branch switch corresponding to the cell of equilibrium treatment, all of branch switch is connected with controller respectively,
Being switched on-off by controller controlling brancher, controller will need the branch switch Guan Bi of Guan Bi according to described numbering.Described
Branch switch can be relay, and controller sends a high level signal and just closes to relay, relay, if low level letter
Number just disconnect.
Further, it is provided with extinguishing device and temperature sensor in described lithium battery box 1；Described extinguishing device and temperature pass
Sensor is connected with battery management system respectively.Be provided with extinguishing device in described lithium battery box, according to real time data inspecting system and
BMS manages system design pressure high-temperature condition, automatically starting fire extinguishing in lithium battery bag (noble gas or physics fire extinguishing) system
Carry out cooling in lithium battery box.
Further, base station is also included；Described battery management system 20 is also integrated with GPRS module and gsm module, described
GPRS module and gsm module set up communication by antenna and base station with Cloud Server respectively.Described battery management system is the most integrated
There are GPRS module and gsm module, integrated with Big Dipper communication device on the PCB of battery management system, no longer by it
Remaining CAN line and individually data acquisition module, data are directly sent by the antenna being arranged on lithium battery box outer surface；
All initial datas (temperature of each cell, voltage, discharge and recharge data etc.) that described battery management system gathers can
Directly to carry out data transmission.
Further, described battery management system 20 also includes controller；Described controller is connected with branch switch.All
Branch switch be connected with controller respectively, switched on-off by controller controlling brancher, controller according to described numbering will
Need the branch switch Guan Bi of Guan Bi.Described branch switch can be relay, and controller sends a high level signal to relay
Device, relay just Guan Bi, if low level signal just disconnects.The remote supervision system of the lithium battery of the present invention can be monitored in real time
Lithium battery life cycle service data, if in the lithium battery group of 50 strings, having a Battery pack voltage, electric current the most abnormal,
Pressure drop is big, can directly trace into this group battery core in this lithium battery group, and the later stage is changed and safeguards data comprehensive system, safeguards and changes
Cycle is greatly shortened.
Run the big batch after 3-5 at lithium battery, large number of battery case screens echelon when utilizing, again by this
The remote monitoring method of the lithium battery of invention and system can directly use the service data of this lithium battery group and this lithium electricity current
In the case of pond, battery core string group bag situation, screens coupling the most again, reconfigures battery core string group bag (pressure drop is consistent, internal resistance is consistent) and enters
Row application, extends battery life cycle, saves the energy.
In sum, remote monitoring method and the system of a kind of lithium battery that the present invention provides can directly obtain lithium battery
Total data since battery core is run in bag, understands and runs health status, battery core stability and the big data of relevant lithium battery electric core,
By obtaining current data and the voltage data of each cell output in lithium battery, it is uploaded to Cloud Server storage, and
Equilibrium treatment is carried out when beyond the threshold range preset, if the current data of each cell output after equalised process
Also fail to, with voltage data, the threshold range that returns to preset, then alert, and then improve the safety that lithium battery uses.With
Mobile phone or computer terminal real-time query lithium battery service data can be passed through in family, is conducive at once judging that this lithium battery whether can two
Secondary or echelon utilizes and scraps process.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in relevant technical field, the most in like manner include
In the scope of patent protection of the present invention.
Claims (8)
1. the remote monitoring method of a lithium battery, it is characterised in that including:
Obtain current data and the voltage data of each cell output in lithium battery；
Judge that whether current data that each cell exports and voltage data are beyond the threshold range preset；
If so, each cell in described lithium battery is carried out equilibrium treatment；
The current data and the voltage data that judge in preset time range the output of each cell after equalised process are
The no threshold range returning to preset；
If it is not, send warning information.
The remote monitoring method of lithium battery the most according to claim 1, it is characterised in that described equalization processing step is:
On each cell, a resistance in parallel, arranges a branch switch on the branch road of described resistance；
When receiving the information of equilibrium treatment, the branch switch answered according to described information closed pair.
The remote monitoring method of lithium battery the most according to claim 1, it is characterised in that further comprise the steps of:
Receive and preserve described warning information.
The remote monitoring method of lithium battery the most according to claim 3, it is characterised in that further comprise the steps of:
Obtain the temperature data of each cell in lithium battery；
Judge that whether the temperature data of each cell is beyond the temperature threshold scope preset；
If so, each cell in described lithium battery is carried out equilibrium treatment.
5. the remote supervision system of a lithium battery, it is characterised in that including: lithium battery box, satellite equipments and Cloud Server；
Battery management system and the more than one lithium battery being connected respectively it is provided with battery management system in described lithium battery box；
Described battery management system is integrated with Big Dipper communication device and balancer；The outer surface of described lithium battery box is provided with and the Big Dipper
The antenna that communication device connects；Described balancer includes more than one resistance and propping up of being arranged on the branch road of described resistance
Way switch；One described resistance is connected in parallel with a cell in lithium battery；
Described Big Dipper communication device sets up communication by antenna and satellite equipments with Cloud Server.
The remote supervision system of lithium battery the most according to claim 5, it is characterised in that be provided with in described lithium battery box and go out
Fire device and temperature sensor；Described extinguishing device and temperature sensor are connected with battery management system respectively.
The remote supervision system of lithium battery the most according to claim 5, it is characterised in that also include base station；Described battery
Management system is also integrated with GPRS module and gsm module, and described GPRS module and gsm module are respectively by antenna and base station and cloud
Server sets up communication.
The remote supervision system of lithium battery the most according to claim 5, it is characterised in that described battery management system also wraps
Include controller；Described controller is connected with branch switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886283.3A CN106291388A (en) | 2016-10-11 | 2016-10-11 | The remote monitoring method of a kind of lithium battery and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886283.3A CN106291388A (en) | 2016-10-11 | 2016-10-11 | The remote monitoring method of a kind of lithium battery and system |
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| Publication Number | Publication Date |
|---|---|
| CN106291388A true CN106291388A (en) | 2017-01-04 |
Family
ID=57717077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886283.3A Pending CN106291388A (en) | 2016-10-11 | 2016-10-11 | The remote monitoring method of a kind of lithium battery and system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703350A (en) * | 2017-09-07 | 2018-02-16 | 上海斐讯数据通信技术有限公司 | The voltage monitoring system and method for a kind of equipment |
| CN108337657A (en) * | 2018-03-27 | 2018-07-27 | 新日(无锡)发展有限公司 | Batteries of electric automobile condition monitoring system based on mobile phone |
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2016
- 2016-10-11 CN CN201610886283.3A patent/CN106291388A/en active Pending
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| WO2011134303A1 (en) * | 2010-04-30 | 2011-11-03 | 重庆长安汽车股份有限公司 | Management system for lithium battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107703350A (en) * | 2017-09-07 | 2018-02-16 | 上海斐讯数据通信技术有限公司 | The voltage monitoring system and method for a kind of equipment |
| CN108337657A (en) * | 2018-03-27 | 2018-07-27 | 新日(无锡)发展有限公司 | Batteries of electric automobile condition monitoring system based on mobile phone |
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