CN107933363B - Use the system of computer management battery of electric vehicle - Google Patents
Use the system of computer management battery of electric vehicle Download PDFInfo
- Publication number
- CN107933363B CN107933363B CN201711300522.3A CN201711300522A CN107933363B CN 107933363 B CN107933363 B CN 107933363B CN 201711300522 A CN201711300522 A CN 201711300522A CN 107933363 B CN107933363 B CN 107933363B
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- China
- Prior art keywords
- battery
- unit
- data detecting
- detecting unit
- battery status
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- 238000012544 monitoring process Methods 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 22
- 230000006855 networking Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010408 sweeping Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
Abstract
A kind of system using computer management battery of electric vehicle of the present invention, including identification module；Monitoring modular；Management of charging and discharging module.The present invention can monitor the charging saturation degree of battery, battery capacity declines the unusual conditions such as too fast, and supplement electricity is carried out using different stagewise charging methods, it eliminates depth power shortage internal storage battery and vulcanizes problem, and make harmonic wave interference small by adjustment, output DC voltage may be implemented flexibly to boost and reduced output voltage, meet different types of battery management on a large scale, improves the service life of battery.
Description
Technical field
The invention belongs to field of batteries, in particular to a kind of system using computer management battery of electric vehicle.
Background technique
Battery of electric vehicle is only able to display current electric quantity information on the market at present, can not obtain and control the state of battery, from
And a large amount of battery is caused to lack effective management, it is deteriorated so as to cause shortened battery life, discharge capability, is caused to enterprise
Huge financial losses, while being excessively used for battery also results in environmental pollution.
Summary of the invention
It provides the purpose of the invention is to overcome above-mentioned insufficient and a kind of is using computer management battery of electric vehicle
System, comprises the following modules:
Identification module: the identity information of each battery for identification；
Monitoring modular: for monitoring battery status using multiple battery status monitoring nodes, monitoring data is obtained and are passed through
Wireless network transmissions are to data detecting unit；
Management of charging and discharging module: transferring data to central processing unit for data detecting unit, central processing unit according to
Detection data is obtained, management of charging and discharging is carried out to battery.
The present invention can monitor the charging saturation degree of battery, battery capacity declines the unusual conditions such as too fast, and using different
Stagewise charging method carries out supplement electricity, eliminates depth power shortage internal storage battery and vulcanizes problem, and makes harmonic wave by adjustment
It interferes small, output DC voltage may be implemented and flexibly boost and reduced output voltage, meet large-scale different types of cell tube
Reason, improves the service life of battery.
Detailed description of the invention
Fig. 1 is management of charging and discharging system schematic in the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and embodiments.
Embodiment: the present invention be a kind of method using computer management battery of electric vehicle the following steps are included:
Step 1: identifying the identity information of each battery；
Step 2: monitoring battery status using multiple battery status monitoring nodes, obtain monitoring data and pass through wireless network
It is transmitted to data detecting unit；
Step 3: data detecting unit transfers data to central processing unit, central processing unit according to obtaining detection data,
Management of charging and discharging is carried out to battery.
The step 1 specifically includes the following steps:
Step 11: identification two dimensional code is sticked on battery；
Step 12: sweeping function using sweeping in handset Wechat and obtain battery identity information；
Step 13: sticking identification two dimensional code on electric vehicle, sweep function using sweeping in handset Wechat and obtain electricity
Motor-car identity information.
Between the step 2 and 3 further include: data detecting unit and each battery status monitoring node are carried out networking.
It is described to carry out data detecting unit and each battery status monitoring node in networking step, if battery status is supervised
It surveys node to continue and send information to data detecting unit by fixed frequency, then battery status monitoring node and data detecting unit
Between group-net communication meet the requirements；Data detecting unit detects that battery status monitoring node continues and issues by fixed frequency
Information after, the gap periods of the every information arrived to battery status monitoring node feedback reception, battery status monitoring node pair
The gap periods of every information of data detecting unit feedback carry out discrimination verification, if every letter of data detecting unit feedback
The gap periods of breath are consistent with the predetermined period of node itself, then group-net communication meets the requirements, and battery status monitoring node is by pre-
If the period sends battery parameter information to data detecting unit, data detecting unit stops after receiving battery parameter information to battery
The gap periods for every information that status monitoring node feeding back receives；If between every information of data detecting unit feedback
The predetermined period of phase and node itself are inconsistent every other week, then battery status monitoring node stops sending to data detecting unit and believe
Breath, and battery status monitoring node is reinitialized and steps be repeated alternatively until, until group-net communication meets the requirements.The step
Rapid 3 specifically include:
Step 301, system electrification carries out system initialization；
Step 302, voltage, electric current and the remaining capacity that data detecting unit will test are input in central processing unit；
Step 303, it is 12V that corresponding cell voltage threshold values U0 when remaining capacity is zero is arranged in judging unit；
Step 304, central processing unit judges whether system itself is pre-charged, and if desired then turns in next step, if
It does not need, goes to step 306；
Step 305, the variable pulse arrival rectification unit of central processing unit output duty cycle, by rectification unit carry out into
Row uncontrollable rectifier is pre-charged the capacitor in buck unit, reaches setting value and then turns in next step；
Step 306, judging unit judges whether remaining capacity is 0, turns when remaining capacity is 0 in next step, when remaining electricity
When amount is not 0,312 are gone to step；
Step 307, received voltage value and current value are handled to obtain by central processing unit by coordinate system transformation and DPLL
Voltage angular frequency and phase；
Step 308, three equal parts are averagely divided into according to cell voltage size between zero and 12V, set gradually 2 averages
The consumption degree of battery is divided into the i.e. serious consumption of three levels: 0 < U < 4V by boundary point 4V and 8V；Medium consumption: 4V < U <
8V；Slight consumption: 8V < U < 12V；When battery is serious consumption, battery does not have recycle value without charging；Work as battery
When for medium consumption: charge, charged 10 hours with electric current 4.5A and pressure limiting 18V in two stages, then with current limliting 22.5A and
Voltage 16.2V charges 20 hours；When battery is slight consumption: charging, filled with electric current 4.5A and pressure limiting 18V in two stages
Then electricity 6 hours is charged 20 hours with current limliting 22.5A and voltage 16.2V；
Step 309, it recharges here under control model, output electric current when charging is input to central processing unit by judging unit
In；
Step 310, duty ratio is calculated by SVPWM, generates impulse wave；
Step 311, will impulse wave input driving unit in, generate driving signal for be sent to rectification unit control itself and
Buck unit on-off, charges；
Step 312, three equal parts are averagely divided into according to cell voltage size between zero and 10.8V, set gradually 2 averagely
The consumption degree of battery is divided into three levels i.e. time serious consumption: 0 < U < 3.6V by critical point 3.6V and 7.2V；It is secondary medium to disappear
Consumption: 3.6V < U < 7.2V；Secondary slight consumption: 7.2V < U < 10.8V；When battery is secondary serious consumption, with current limliting 9A and electricity
16.2V is pressed to charge 18 hours；When battery is secondary medium consumption, charged 14 hours with current limliting 9A and voltage 16.2V；When battery is
It is charged 10 hours when secondary slight consumption with current limliting 9A and voltage 16.2V；
Step 313, it recharges here under control model, output voltage when charging is input to central processing unit by judging unit
In；
Step 314, duty ratio is calculated by SVPWM, generates impulse wave；
Step 315, will impulse wave input driving unit in, generate driving signal for be sent to rectification unit control itself and
Buck unit on-off, charges；
Step 316, central processing unit judges whether power cut-off, when needing to work on, goes to step 313；
Step 317, for central processing unit by duty ratio zero setting, driving unit exports negative pressure driving signal, shutdown rectification at once
Unit stops working.
It is received in the step 307 and adjustment, institute is carried out to voltage signal by adjustment unit between voltage value and current value
State adjustment function are as follows:
Wherein, F (| x (t) |) is the dynamic amplitudes of input voltage signal, and tan () is hyperbolic tangent function, | x |maxFor
The maximum instantaneous voltage value of input, | x (t) | it is the instantaneous input voltage value of t moment.
A kind of system using computer management battery of electric vehicle comprises the following modules:
Identification module: the identity information of each battery for identification；
Monitoring modular: for monitoring battery status using multiple battery status monitoring nodes, monitoring data is obtained and are passed through
Wireless network transmissions are to data detecting unit；
Management of charging and discharging module: transferring data to central processing unit for data detecting unit, central processing unit according to
Detection data is obtained, management of charging and discharging is carried out to battery.
The identification module is specifically included with lower module:
Two-dimensional code generation module: for generating identification two dimensional code on battery and on electric vehicle；
Barcode scanning module: battery and electric vehicle identity information are obtained for sweeping to sweep on battery and on electric vehicle.
It further include networking module: for data detecting unit and each battery status monitoring node to be carried out networking.
The networking module includes networking authentication module: if continued for battery status monitoring node and by fixed frequency
Information is sent to data detecting unit, then the group-net communication between battery status monitoring node and data detecting unit conforms to
It asks；Data detecting unit detect battery status monitoring node continue and by fixed frequency issue information after, to battery status
The gap periods for every information that monitoring node feedback reception arrives, battery status monitoring node feed back data detecting unit every
The gap periods of information carry out discrimination verification, if the gap periods of every information of data detecting unit feedback and node from
The predetermined period of body is consistent, then group-net communication meets the requirements, and battery status monitoring node presses predetermined period to data detecting unit
Battery parameter information is sent, data detecting unit stops after receiving battery parameter information to battery status monitoring node feedback reception
The gap periods of the every information arrived；If the gap periods and node itself of every information of data detecting unit feedback is pre-
If the period is inconsistent, then battery status monitoring node stops sending information to data detecting unit, and battery status is monitored and is saved
Point, which reinitializes, steps be repeated alternatively until, until group-net communication meets the requirements.
The management of charging and discharging module specifically includes: in data detecting unit, central processing unit, rectification unit, buck
Unit, judging unit and driving unit, data detecting unit are connected with battery status monitoring node, central processing unit simultaneously with number
It is connected according to detection unit, judging unit with driving unit, rectification unit is connected with buck unit and driving unit simultaneously, lifting
Pressure unit is connected with judging unit and load simultaneously.
The central processing unit is also connected with adjustment unit simultaneously between data detecting unit, for passing through following adjustment
Function carries out adjustment to voltage signal:
Wherein, F (| x (t) |) is the dynamic amplitudes of input voltage signal, and tan () is hyperbolic tangent function, | x |maxFor
The maximum instantaneous voltage value of input, | x (t) | it is the instantaneous input voltage value of t moment.
Claims (3)
1. a kind of system using computer management battery of electric vehicle, it is characterised in that comprise the following modules:
Identification module: the identity information of each battery for identification；
Monitoring modular: for monitoring battery status using multiple battery status monitoring nodes, monitoring data are obtained and by wireless
Network transmission is to data detecting unit；
Management of charging and discharging module: transferring data to central processing unit for data detecting unit, and central processing unit is according to obtaining
Detection data carries out management of charging and discharging to battery；The identification module is specifically included with lower module:
Two-dimensional code generation module: for generating identification two dimensional code on battery and on electric vehicle；
Barcode scanning module: battery and electric vehicle identity information are obtained for sweeping to sweep on battery and on electric vehicle；
It further include networking module: for data detecting unit and each battery status monitoring node to be carried out networking；
The networking module includes networking authentication module: if continued for battery status monitoring node and by fixed frequency to number
Information is sent according to detection unit, then the group-net communication between battery status monitoring node and data detecting unit meets the requirements；Number
According to detection unit detect battery status monitoring node continue and by fixed frequency issue information after, to battery status monitor save
The gap periods for every information that point feedback reception arrives, every information that battery status monitoring node feeds back data detecting unit
Gap periods carry out discrimination verification, if data detecting unit feedback every information gap periods and node itself it is pre-
If the period is consistent, then group-net communication meets the requirements, and battery status monitoring node sends electricity to data detecting unit by predetermined period
Pond parameter information, data detecting unit receive stop arriving to battery status monitoring node feedback reception after battery parameter information it is every
The gap periods of information；If the gap periods of every information of data detecting unit feedback and the predetermined period of node itself
Inconsistent, then battery status monitoring node stops sending information to data detecting unit, and again by battery status monitoring node
Initialization steps be repeated alternatively until, until group-net communication meets the requirements.
2. using the system of computer management battery of electric vehicle according to claim 1, it is characterised in that the charge and discharge fulgurite
Reason module specifically includes: in data detecting unit, central processing unit, rectification unit, buck unit, judging unit and driving it is single
Member, data detecting unit are connected with battery status monitoring node, central processing unit simultaneously with data detecting unit, judging unit and
Driving unit is connected, and rectification unit is connected with buck unit and driving unit simultaneously, buck unit while and judging unit
It is connected with load.
3. using the system of computer management battery of electric vehicle according to claim 2, it is characterised in that: the central processing
Device is also connected with adjustment unit simultaneously between data detecting unit, for being adjusted by following adjustment function to voltage signal
School:
Wherein, F (| x (t) |) is the dynamic amplitudes of input voltage signal, and tan () is hyperbolic tangent function, | x |maxFor input
Maximum instantaneous voltage value, | x (t) | be t moment instantaneous input voltage value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300522.3A CN107933363B (en) | 2017-12-10 | 2017-12-10 | Use the system of computer management battery of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300522.3A CN107933363B (en) | 2017-12-10 | 2017-12-10 | Use the system of computer management battery of electric vehicle |
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| Publication Number | Publication Date |
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| CN107933363A CN107933363A (en) | 2018-04-20 |
| CN107933363B true CN107933363B (en) | 2019-03-22 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1837735A3 (en) * | 2006-03-23 | 2012-05-09 | LG Electronics Inc. | Power Management and Control in Electronic Equipment |
| CN102904311B (en) * | 2012-10-22 | 2015-06-17 | 国网电力科学研究院 | Electric vehicle battery sensing device, electric vehicle battery and charge and discharge method |
| US10247783B2 (en) * | 2014-09-23 | 2019-04-02 | Ford Global Technologies, Llc | Sensor system for measuring battery internal state |
| CN105676139B (en) * | 2016-01-22 | 2018-04-06 | 深圳市智锂能源科技有限公司 | It is a kind of that intelligent management and the method and device of retrospect are carried out to electrokinetic cell |
| CN205692894U (en) * | 2016-05-13 | 2016-11-16 | 鲁静 | The battery module of power type and the battery intelligent management system of electric motor car |
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Effective date of registration: 20181219 Address after: Room 206, B Building, 228 South Road Software Park, Dongying District, Dongying City, Shandong Province Applicant after: Dongying Cisco Weixin Energy Technology Co.,Ltd. Address before: 430000 Huiqiang Science and Technology Park, No. 1 Chuanlong Avenue, Airfront Economic Demonstration Park, Huangpi District, Wuhan City, Hubei Province Applicant before: WUHAN XINYUAN KECHUANG TECHNOLOGY CO.,LTD. |
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Address after: Room 206, B Building, 228 South Road Software Park, Dongying District, Dongying City, Shandong Province Patentee after: Shandong Yicong new energy Co.,Ltd. Address before: Room 206, B Building, 228 South Road Software Park, Dongying District, Dongying City, Shandong Province Patentee before: Dongying Cisco Weixin Energy Technology Co.,Ltd. |
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Application publication date: 20180420 Assignee: Shandong wanmeng Energy Technology Co.,Ltd. Assignor: Shandong Yicong new energy Co.,Ltd. Contract record no.: X2021980013508 Denomination of invention: System for managing electric vehicle battery using computer Granted publication date: 20190322 License type: Common License Record date: 20211126 |
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Denomination of invention: System for managing electric vehicle battery using computer Effective date of registration: 20220105 Granted publication date: 20190322 Pledgee: Dongying Branch of Qilu Bank Co.,Ltd. Pledgor: Shandong Yicong new energy Co.,Ltd. Registration number: Y2022980000017 |
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