CN105206882A - Electric automobile power battery ground repair device - Google Patents
Electric automobile power battery ground repair device Download PDFInfo
- Publication number
- CN105206882A CN105206882A CN201510525465.3A CN201510525465A CN105206882A CN 105206882 A CN105206882 A CN 105206882A CN 201510525465 A CN201510525465 A CN 201510525465A CN 105206882 A CN105206882 A CN 105206882A
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- China
- Prior art keywords
- battery
- module
- unit
- cell
- electric automobile
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0069—Charging or discharging for charge maintenance, battery initiation or rejuvenation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric automobile power battery ground repair device. The electric automobile power battery ground repair device is characterized by comprising an SOH online diagnosis module, a battery repair module, a human-computer interaction module and a safety protection module, wherein the SOH online diagnosis module is connected with the battery repair module and the human-computer interaction module, the battery repair module is connected with the human-computer interaction module and the safety protection module, and the safety protection module is connected with the human-computer interaction module. The SOH online diagnosis module is used for conducting rapid online diagnosis on the battery health state, the battery repair module is used for repairing a battery module in the charging and discharging process, the safety protection module is used for providing safety protection on a battery in the battery repair process, and the human-computer interaction module is used for input and output of battery data in the battery repair process. By means of the electric automobile power battery ground repair device, the service life of the battery module can be effectively prolonged, the use cost of a whole electric automobile can be reduced, and a powerful technical support can be provided for wide application of pure electric vehicles, hybrid electric vehicles and plug-in hybrid electric vehicles.
Description
Technical field
The present invention relates to electric automobile field, relate to a kind of electric automobile power battery ground prosthetic device more specifically, be applied to lithium battery as the pure electric automobile of dynamical system, hybrid-electric car and plug-in hybrid-electric car.
Background technology
Affecting the principal element that electric automobile applies is the fail safe of system and the cycle life of power brick.Carrying out rational management and supervision to battery is the key ensureing battery system safety, long-life operation.Along with the continuous accumulation of cycle charge discharge electric process and electric automobile course continuation mileage, the difference between cell increases gradually, when vehicle mounted battery management system monitors inconsistency between cell more than 10%, will repair lithium battery.
Existing battery management technique makes the fail safe of battery pack make moderate progress, but for the increase DeGrain of battery cyclic life-span and capacity, the heat that battery management system in use produces is large, radiating condition is poor, and its capacity, volume and cost increase along with the increase of battery capacity.Be badly in need of a kind of device and can carry out ground maintenance to power brick, the battery pack that there is consistency problem is found timely reparation early, the battery reaching critical value is changed, greatly can extend the cycle life of battery pack, reduce cost and the integral vehicle cost of vehicle-mounted BMS, reduce power brick volume, improve the fail safe of battery system, promote the industrialization of electric automobile.
Summary of the invention
The present invention, for meeting the demand, provides a kind of electric automobile power battery ground prosthetic device.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of electric automobile power battery ground prosthetic device, is characterized in that, comprises SOH inline diagnosis module, battery repairs module, human-computer interaction module and safety protection module; Wherein, described SOH inline diagnosis module is repaired module with battery and is connected with human-computer interaction module, and described battery is repaired module and is connected with safety protection module with human-computer interaction module, and described safety protection module is also connected with machine interactive module; Wherein, described SOH inline diagnosis module is used for carrying out quick inline diagnosis to cell health state; Described battery is repaired module and is used for repairing battery modules in charge and discharge process; Described safety protection module is used for providing security protection to battery in battery repair process; Described human-computer interaction module is used for the input and output of battery data in battery repair process.
Further, as optimal technical scheme, described SOH inline diagnosis module comprises parameter acquisition unit and SOH evaluation unit; Described parameter acquisition unit is used at least gathering the voltage of cell, temperature, electric current and internal resistance signal; Described SOH evaluation unit is used for processing the historical data of described parameter acquisition unit collection and record, calculate battery accumulation cycle number of times, by contrasting with historical data, calculating the rate of change of cell voltage, internal resistance, capacity attenuation, estimating the health status value of cell.
Further, as optimal technical scheme, described battery is repaired module and is comprised battery modules charhing unit, load unit, SOC evaluation unit and repair unit; Described SOC evaluation unit can according to the internal resistance of cell, temperature, cycle life, in conjunction with voltage and the capacity curve of actual measurement, and electric current and capacity curve, the residual capacity of estimation cell; Cell residual capacity and average residual capacity can be made comparisons by described reparation unit, repair the cell above and below average residual capacity, and all cell states in battery modules are reached unanimity.
Further, as optimal technical scheme, described safety protection module is used for the overcharging of battery, cross put, excess temperature and short-circuit protection, and fault cues and warning.
Further, as optimal technical scheme, described human-computer interaction module comprises signal display unit, parameter set unit, Alarm Unit and historical record query unit; Described signal display unit is for showing the state of all cells in battery modules; Described Alarm Unit is used for recording and showing fault message; Described parameter set unit is used for realizing charge and discharge system setting, charging/discharging voltage and electric current and arranges; Described historical record query unit is for recording state information and the warning information of battery.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
The present invention can realize the online high accuracy SOH diagnosis to battery, by the maintenance of electric automobile power battery and reparation, extends the cycle life of battery pack, gives full play to its energy storage effect, improve system reliability and efficiency, reduce car load use cost.For the extensive use of pure electric automobile, hybrid-electric car and plug-in hybrid-electric car provides strong technical support.
Accompanying drawing explanation
Fig. 1 is lithium battery ground prosthetic device structured flowchart;
Fig. 2 is lithium battery ground prosthetic device connection diagram.
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent; In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product; To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable; The corresponding same or analogous parts of same or analogous label; The term describing position relationship in accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
Electric automobile power battery ground provided by the invention prosthetic device comprises SOH inline diagnosis module, battery repairs module, safety protection module and human-computer interaction module.
Described SOH inline diagnosis module comprises parameter acquisition unit and SOH evaluation unit, for the quick inline diagnosis to cell health state.Described parameter acquisition unit gathers the signals such as monomer battery voltage, temperature, electric current and internal resistance.Gathered the voltage signal of each cell in battery modules by signals collecting chip and filter circuit, by thermistor collecting temperature signal, gather current signal by current sensor.Described SOH evaluation unit calculates battery accumulation cycle number of times, by contrasting with historical data, calculating the rate of change of cell voltage, internal resistance, capacity attenuation, estimating the health status value of cell.
Described battery is repaired module and is comprised battery modules charhing unit, load unit, SOC evaluation unit and repair unit, realizes the reparation to battery modules in charge and discharge process.Described SOC evaluation unit, according to the internal resistance of cell, temperature, cycle life etc., in conjunction with voltage and the capacity curve of actual measurement, and electric current and capacity curve, the residual capacity of estimation cell.Cell residual capacity and average residual capacity are made comparisons by described reparation unit, repair the cell above and below average residual capacity, and all cell states in battery modules are reached unanimity.
Described human-computer interaction module comprises signal display unit, parameter set unit, Alarm Unit and historical record query unit.The voltage of described signal display unit displaying monomer battery, electric current, temperature information, equalization information, charge status and residual capacity etc.Described Alarm Unit is responsible for recording and is shown fail battery, alarm type, alarm date and time.Described parameter set unit can realize charge and discharge system setting, charging and discharging currents is arranged, repair electric current setting, battery modules and cell discharge and recharge cut-ff voltage is arranged.
The electric automobile power battery ground prosthetic device course of work: discharge and recharge is carried out to battery modules, the parameter acquisition unit simultaneously starting SOH inline diagnosis module obtains the data such as the voltage of cell, by SOH evaluation unit, software algorithm calculates the health status of battery, judges that battery is the need of reparation.For the battery needing to carry out repairing, in charge and discharge process, it is repaired, when certain monomer battery voltage and residual capacity are higher or lower than mean value, start and repair unit.Through charge and discharge cycles several times, ensure that cell is in good health status, and make cell be in relatively consistent operating state all the time, improve the health degree of electric automobile power battery system.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection range that all should be included in the claims in the present invention.
Claims (5)
1. an electric automobile power battery ground prosthetic device, is characterized in that, comprises SOH inline diagnosis module, battery repairs module, human-computer interaction module and safety protection module; Wherein, described SOH inline diagnosis module is repaired module with battery and is connected with human-computer interaction module, and described battery is repaired module and is connected with safety protection module with human-computer interaction module, and described safety protection module is also connected with machine interactive module; Wherein, described SOH inline diagnosis module is used for carrying out quick inline diagnosis to cell health state; Described battery is repaired module and is used for repairing battery modules in charge and discharge process; Described safety protection module is used for providing security protection to battery in battery repair process; Described human-computer interaction module is used for the input and output of battery data in battery repair process.
2. electric automobile power battery ground according to claim 1 prosthetic device, is characterized in that, described SOH inline diagnosis module comprises parameter acquisition unit and SOH evaluation unit; Described parameter acquisition unit is used at least gathering the voltage of cell, temperature, electric current and internal resistance signal; Described SOH evaluation unit is used for processing the data of described parameter acquisition unit collection and record, calculate battery accumulation cycle number of times, by contrasting with historical data, calculating the rate of change of cell voltage, internal resistance, capacity attenuation, estimating the health status value of cell.
3. electric automobile power battery ground according to claim 2 prosthetic device, is characterized in that, described battery is repaired module and comprised battery modules charhing unit, load unit, SOC evaluation unit and repair unit; Described SOC evaluation unit can according to the internal resistance of cell, temperature, cycle life, in conjunction with voltage and the capacity curve of actual measurement, and electric current and capacity curve, the residual capacity of estimation cell; Cell residual capacity and average residual capacity can be made comparisons by described reparation unit, repair the cell above and below average residual capacity, and all cell states in battery modules are reached unanimity.
4. electric automobile power battery ground according to claim 3 prosthetic device, is characterized in that, described safety protection module is used for the overcharging of battery, cross put, excess temperature and short-circuit protection, and fault cues and warning.
5. electric automobile power battery ground according to claim 4 prosthetic device, is characterized in that, described human-computer interaction module comprises signal display unit, parameter set unit, Alarm Unit and historical record query unit; Described signal display unit is for showing the state of all cells in battery modules; Described Alarm Unit is used for recording and showing fault message; Described parameter set unit is used for realizing charge and discharge system setting, charging/discharging voltage and electric current and arranges; Described historical record query unit is for recording state information and the warning information of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510525465.3A CN105206882B (en) | 2015-08-25 | 2015-08-25 | A kind of electric automobile power battery ground prosthetic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510525465.3A CN105206882B (en) | 2015-08-25 | 2015-08-25 | A kind of electric automobile power battery ground prosthetic device |
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| CN105206882A true CN105206882A (en) | 2015-12-30 |
| CN105206882B CN105206882B (en) | 2017-11-07 |
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| CN201510525465.3A Active CN105206882B (en) | 2015-08-25 | 2015-08-25 | A kind of electric automobile power battery ground prosthetic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430821A (en) * | 2020-05-13 | 2020-07-17 | 泉州劲鑫电子有限公司 | Intelligent battery pairing repair system and method |
| CN111823949A (en) * | 2020-07-23 | 2020-10-27 | 博众精工科技股份有限公司 | Battery pack online health management system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035961A (en) * | 2011-10-10 | 2013-04-10 | 波音公司 | Battery adaptive learning management system |
| CN103368229A (en) * | 2013-07-04 | 2013-10-23 | 东莞中山大学研究院 | Ground electric vehicle battery diagnosis device and diagnostic method thereof |
| CN204376464U (en) * | 2015-01-06 | 2015-06-03 | 浙江超威创元实业有限公司 | A kind of battery of electric vehicle intelligent management system |
-
2015
- 2015-08-25 CN CN201510525465.3A patent/CN105206882B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035961A (en) * | 2011-10-10 | 2013-04-10 | 波音公司 | Battery adaptive learning management system |
| CN103368229A (en) * | 2013-07-04 | 2013-10-23 | 东莞中山大学研究院 | Ground electric vehicle battery diagnosis device and diagnostic method thereof |
| CN204376464U (en) * | 2015-01-06 | 2015-06-03 | 浙江超威创元实业有限公司 | A kind of battery of electric vehicle intelligent management system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430821A (en) * | 2020-05-13 | 2020-07-17 | 泉州劲鑫电子有限公司 | Intelligent battery pairing repair system and method |
| CN111823949A (en) * | 2020-07-23 | 2020-10-27 | 博众精工科技股份有限公司 | Battery pack online health management system and method |
| CN111823949B (en) * | 2020-07-23 | 2022-03-18 | 博众精工科技股份有限公司 | Battery pack online health management system and method |
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| Publication number | Publication date |
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| CN105206882B (en) | 2017-11-07 |
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