CN103368229B - Ground electric vehicle battery diagnosis device and diagnostic method thereof - Google Patents
Ground electric vehicle battery diagnosis device and diagnostic method thereof Download PDFInfo
- Publication number
- CN103368229B CN103368229B CN201310279463.1A CN201310279463A CN103368229B CN 103368229 B CN103368229 B CN 103368229B CN 201310279463 A CN201310279463 A CN 201310279463A CN 103368229 B CN103368229 B CN 103368229B
- Authority
- CN
- China
- Prior art keywords
- control module
- module
- power
- battery
- isolated
- 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 - Fee Related
Links
- 238000003745 diagnosis Methods 0.000 title claims abstract description 39
- 238000002405 diagnostic procedure Methods 0.000 title claims abstract description 14
- 238000012423 maintenance Methods 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 3
- 239000011449 brick Substances 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 11
- 238000013519 translation Methods 0.000 claims description 8
- 230000005055 memory storage Effects 0.000 claims description 6
- 230000006870 function Effects 0.000 abstract description 8
- 238000011156 evaluation Methods 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 3
- 238000007435 diagnostic evaluation Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a power battery diagnosis device, in particular to a ground electric vehicle battery diagnosis device and a diagnostic method thereof. The ground electric vehicle battery diagnosis device comprises a plurality of isolated power modules and a control module connected with an external computer; the isolated power modules are used for acquiring and inputting the voltage, current and temperature information of each battery in a battery pack into the control module; the control module is used for receiving and processing the information acquired by the isolated power modules, and the isolated power modules are electrically isolated from one another. The ground electric vehicle battery diagnosis device can independently diagnose or/and maintain each battery in the battery pack under the circumstance that the battery pack is not dismounted from a vehicle, thus providing each battery in the power battery pack of the electric vehicle with various diagnostic evaluation functions, such as charge state evaluation, health state evaluation and internal resistance evaluation, and a maintenance function for keeping the consistency of the batteries.
Description
Technical field
The present invention relates to a kind of electrokinetic cell diagnostic device, particularly relate to a kind of batteries of electric automobile off-board diagnosis equipment and diagnostic method thereof.
Background technology
Along with the development of auto industry, electric automobile, with advantages such as its zero discharge, low noise and low use costs, obtains attention and the accreditation of society gradually.Electric automobile power battery bag is formed by multiple single power battery connection in series-parallel usually, and due to the difference of manufacture craft and condition of work, power brick in use each battery can generation otherness gradually, causes the hydraulic performance decline of power brick; In addition, because electric automobile structure is compact, battery is disassembled the cost of carrying out testing from electric automobile very high, make on-line checkingi or (with) each battery becomes a kind of demand in battery maintenance bag.
Online detection maintenance mode decides has electrical potential difference between each passage, and due to the object of preservation & testing be exactly detect each battery state separately, therefore need independently to operate each passage.The multichannel of existing Battery Diagnostic equipment mostly is the mode of multiple passage non-isolated, have no idea to meet power brick on-line monitoring or (with) demand safeguarded; And run the equipment that multiple channels in series detects and only have a current loop, have no idea to charge to single battery independently or (with) discharge operation, these equipment all can not meet the online power brick of electric automobile to detect or (with) demand safeguarded; In addition due to the relation of circuit topology, existing Battery Diagnostic equipment is at access battery and itself is again in cold situation, the energy of meeting consuming cells itself, this shortcoming makes battery must after completing detection, be separated checkout equipment when equipment is still energized, damage can be caused to battery.
Summary of the invention
The object of the invention is to provide a kind of batteries of electric automobile off-board diagnosis equipment and diagnostic method thereof for the deficiencies in the prior art, this equipment can when power brick not be uncarted, independent for some in power brick or certain several battery carry out diagnosing or (with) maintenance operations, also can diagnose the single battery be separated or (with) maintenance operations.
To achieve these goals, the present invention adopts following technical scheme: a kind of batteries of electric automobile off-board diagnosis equipment, and it comprises some isolated power modules and a control module be connected with outer computer; Isolated power module is for gathering the voltage of each battery in power brick, electric current and temperature information, input control module; Control module, for receiving the information of isolated power module acquires and processing, is electrical isolation between described some isolated power modules.
Further, each described battery connects one or more isolated power module; Described battery is the lithium-ion-power cell that voltage is less than 5V.
Further, described control module comprises external memory storage.
Further, described isolated power module is connected by communication bus with between described control module.
Further, described isolated power module comprises insulating power supply module, power control module, sampling module, operation control module and isolated communication module; Insulating power supply module is used for converting civil power to low-voltage DC and completing electrical isolation, provides electric energy to operation control module and power control module; Power control module for gathering voltage, electric current and the temperature information of each battery in power brick or carrying out charge or discharge operation to battery, sampling module be used for detection power control module operating state and by detect information feed back to operate control module; Operation control module, by communication bus described in isolated communication model calling, receives the information from described control module, and the job information feeding back himself is to control module.
Further, described isolated power module also comprises energy ezpenditure module, and energy ezpenditure module is connected with described power control module.
A diagnostic method for batteries of electric automobile off-board diagnosis equipment, comprises the steps:
A, control module send request message to isolated power module;
B, isolated power module receive from the request message of control module, and according to the voltage of each battery in the content acquisition power brick of request message, electric current and temperature information, the information of collection are fed back to control module by response message;
C, control module receive the response message from isolated power module, the response message of reception is saved in external memory storage and translates, and the response message after translation is transferred to computer;
D, computer obtain the demand information of user by man-machine interface, according to the demand information of user, diagnosed, the instruction after diagnosis is sent to control module by the main body diagnosis maintenance algorithm of computer to the response message received;
E, control module receive the instruction from computer and translate, by the command after translation to isolated power module;
F, isolated power module receive the instruction from control module and carry out charge or discharge operation to battery, and the information that operation produces feeds back to computer after control module translation.
Further, described step B is specially:
B1, insulating power supply module convert civil power to low-voltage DC and complete electrical isolation, provide electric energy to operation control module and power control module;
B2, operation control module receive the request message from control module by isolated communication module, and request message is transferred to power control module;
B3, power control module receive the request message from operation control module, and according to the voltage of each battery in the content acquisition power brick of request message, electric current and temperature information;
The acquisition state of B4, sampling module detection power control module, feeds back to operation control module by the information of detection by response message;
Response message is fed back to control module by isolated communication module by B5, operation control module.
Further, in described step F, to the concrete steps of battery charging be:
F1, power control module receive the instruction from operation control module, carry out charging operations according to instruction to battery, and part or all of the energy of civil power is outputted to battery;
The charged state of F2, sampling module detection power control module by the information feed back detected to operating control module;
F3, operation control module compare judgement according to the demand information of feedack and user, and real-time Modulating Power control module is to the charging rate of battery.
Further, in described step F, to the concrete steps of battery discharge be:
F I, power control module receive the instruction of operation control module, carry out discharge operation to battery, and part or all of the energy of battery is outputted to energy ezpenditure module;
The discharge condition of F II, sampling module detection power control module by the information feed back detected to operating control module;
F III, operation control module compare judgement according to the demand information of feedack and user, and real-time Modulating Power control module is to the velocity of discharge of battery.
Beneficial effect of the present invention is:
1, batteries of electric automobile off-board diagnosis equipment of the present invention can when power brick not be uncarted, independently for each battery in power brick carries out diagnosing or (with) maintenance operations, thus for each battery in electric automobile power battery bag provide that state-of-charge is assessed, the various diagnostic assessment function such as health state evaluation and internal resistance assessment and maintain the maintenance function of battery consistency.
2, batteries of electric automobile off-board diagnosis equipment of the present invention when be connected to battery and power down itself, can not consume battery power.Just discharge and recharge operation is carried out to battery when batteries of electric automobile off-board diagnosis equipment of the present invention can make battery allow to carry out discharge and recharge, other time not consuming cells energy.
3, the diagnosis and detection module that batteries of electric automobile off-board diagnosis equipment of the present invention is all is all independent of outside car, and namely electric automobile is in running, and equipment not with motor racing, and remains on ground.Batteries of electric automobile off-board diagnosis equipment of the present invention can preserve total data in operation, and can easily derive to set up battery information storehouse.
4, batteries of electric automobile off-board diagnosis equipment of the present invention can detect and carry out in charge and discharge process at battery, the voltage of the corresponding battery of each passage, electric current and temperature information, thus provides the diagnostic functions such as state-of-charge assessment, health Evaluation, internal resistance assessment.Batteries of electric automobile off-board diagnosis equipment of the present invention is by the independent charging/discharging function of each passage and its diagnostic function, and balanced whole power brick is to reach the function of maintenance batteries of electric automobile bag.
5, the battery that batteries of electric automobile off-board diagnosis equipment of the present invention can connect for each passage independently carries out charging, discharge operation.Each passage of isolated power module of the present invention is completely isolated, and make the present invention that several passages can be used to access a battery, now, the speed of battery charging and discharging will double simultaneously, shortens the time needed for operation.
6, each passage of isolated power module of the present invention is independently provided with charge-discharge circuit, allow each passage to complete different operations simultaneously, can save time to greatest extent when battery maintenance consistency, improve the utilance of the energy simultaneously, more meet the original intention of electric automobile environmental protection.
accompanying drawing illustrates:
Fig. 1 is functional block diagram of the present invention.
Fig. 2 is the hardware module figure of isolated power module in the present invention.
Reference numeral is:
10,11,12 ... 1N---battery
20,21,22 ... 2N---isolated power module
201---insulating power supply module
202---power control module
203---energy ezpenditure module
204---sampling module
205---operation control module
206---isolated communication module
30---control module
40---computer.
embodiment:
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing 1 ~ 2, the present invention is further illustrated, and the content that execution mode is mentioned not is limitation of the invention.
See Fig. 1 ~ 2, a kind of batteries of electric automobile off-board diagnosis equipment, it comprises some isolated power modules (20,21,22 ... 2N) with one control module 30 be connected with outer computer 40; Isolated power module (20,21,22 ... 2N) for gathering each battery (10,11,12 in power brick ... voltage 1N), electric current and temperature information, input control module 30; Control module 30 is for receiving isolated power module (20,21,22 ... information 2N) gathered also processes, described some isolated power modules (20,21,22 ... it is electrical isolation 2N).
The electric automobile that the present invention relates to comprises pure electric automobile and adopts the hybrid vehicle of storage battery.
In the present embodiment, each described battery (10,11,12 ... 1N) connect one or more isolated power module (20,21,22 ... 2N); Described battery (10,11,12 ... 1N) for voltage is less than the lithium-ion-power cell of 5V.The present invention can independently for some in power brick or certain several battery carry out diagnosing or (with) maintenance operations, also can diagnose the single battery be separated or (with) maintenance operations.
In the present embodiment, described control module 30 comprises external memory storage.
In the present embodiment, described isolated power module (20,21,22 ... 2N) with between described control module 30 be connected by communication bus.
Due to each isolated power module (20,21,22 ... it is electrical isolation 2N), allow multiple isolated power module (20,21,22 ... 2N) be linked into same battery (10,11,12 simultaneously ... 1N), namely same battery (10,11,12 is parallel to ... 1N), by the control of computer 40, these isolated power modules (20,21,22 ... 2N) can cooperate simultaneously, make operating power reach the several times of single passage, accelerate testing progress; And the present invention can ignore battery (10,11,12 completely ... electrical connection 1N), only needs it to be finally input to isolated power module (20,21,22 ... magnitude of voltage 2N) meets the working range of equipment of the present invention.
Batteries of electric automobile off-board diagnosis equipment of the present invention not only can test each independently battery (10,11,12 ... 1N), can also test with various topological each battery (10,11,12 be electrically connected in the battery pack of getting up ... 1N), and the electrical connection removing itself is not needed.
No matter batteries of electric automobile off-board diagnosis equipment of the present invention is linked into isolated power module (20,21,22 ... 2N) be whether battery pack or other voltage sources of cell or several battery series-parallel connections, as long as it meets the requirement of the present invention to input voltage.
Multiple stage batteries of electric automobile off-board diagnosis of the present invention equipment also can in parallelly use with the object reaching the speed of speeding operations.
In the present embodiment, described isolated power module (20,21,22 ... 2N) comprise insulating power supply module 201, power control module 202, sampling module 204, operation control module 205 and isolated communication module 206; Insulating power supply module 201, for converting civil power to low-voltage DC and completing electrical isolation, provides electric energy to operation control module 205 and power control module 202; Power control module 202 for gathering voltage, electric current and the temperature information of each battery in power brick or carrying out charge or discharge operation to battery, sampling module 204 for detection power control module 202 operating state and by detect information feed back to operate control module 205; Operation control module 205 connects described communication bus by isolated communication module 206, receives the information from described control module 30, and the job information feeding back himself is to control module 30.
Isolated power module (20,21,22 ... 2N) be the corn module of batteries of electric automobile off-board diagnosis equipment of the present invention, whole isolated power module (20,21,22 ... 2N) inner energy is isolated by insulating power supply module 201, and with isolated power module (20,21,22 ... all isolating means is employed, so whole isolated power module (20,21,22 time 2N) outer other parts connect ... 2N) from being electrically isolation.
In the present embodiment, described isolated power module also comprises energy ezpenditure module 203, and energy ezpenditure module 203 is connected with described power control module 202.Described energy ezpenditure module 203 is light-emitting diode, power resistor or electric furnace heating wire.
A diagnostic method for batteries of electric automobile off-board diagnosis equipment, comprises the steps:
A, control module 30 are to isolated power module (20,21,22 ... 2N) send request message;
B, isolated power module (20,21,22 ... 2N) receive the request message from control module 30, and according to each battery (10,11,12 in the content acquisition power brick of request message ... voltage 1N), electric current and temperature information, feed back to control module 30 by the information of collection by response message;
C, control module 30 receive from isolated power module (20,21,22 ... response message 2N), is saved in external memory storage by the response message of reception and translates, and the response message after translation is transferred to computer 40;
D, computer 40 obtain the demand information of user by man-machine interface, according to the demand information of user, diagnosed, the instruction after diagnosis is sent to control module 30 by the main body diagnosis maintenance algorithm of computer 40 to the response message received;
E, control module 30 receive the instruction from computer 40 and translate, by the command after translation to isolated power module (20,21,22 ... 2N);
F, isolated power module (20,21,22 ... 2N) receive from control module 30 instruction and to battery (10,11,12 ... 1N) carry out charge or discharge operation, the information that operation produces feeds back to computer 40 after control module 30 is translated.
In the present embodiment, described step B is specially:
B1, insulating power supply module 201 convert civil power to low-voltage DC and complete electrical isolation, provide electric energy to operation control module 205 and power control module 202;
B2, operation control module 205 receive the request message from control module by isolated communication module 206, and request message is transferred to power control module 202;
B3, power control module 202 receive the request message from operation control module 205, and according to each battery (10,11,12 in the content acquisition power brick of request message ... voltage 1N), electric current and temperature information;
The acquisition state of B4, sampling module 204 detection power control module 202, feeds back to operation control module 205 by the information of detection by response message;
Response message is fed back to control module 30 by isolated communication module 206 by B5, operation control module 205.
In the present embodiment, in described step F, to the concrete steps of battery charging be:
F1, power control module 202 receive the instruction from operation control module 205, according to instruction to battery (10,11,12 ... 1N) carry out charging operations, part or all of the energy of civil power is outputted to battery (10,11,12 ... 1N);
The charged state of F2, sampling module 204 detection power control module 202 by the information feed back detected to operating control module 205;
F3, operation control module 205 compare judgement according to the demand information of feedack and user, and the charging rate of real-time Modulating Power control module 202 pairs of batteries.
In the present embodiment, in described step F, to the concrete steps of battery discharge be:
F I, power control module 202 receive the instruction of operation control module 205, to battery (10,11,12 ... 1N) carry out discharge operation, by battery (10,11,12 ... part or all of energy 1N) outputs to energy ezpenditure module 203;
The discharge condition of F II, sampling module 204 detection power control module 202 by the information feed back detected to operating control module 205;
F III, operation control module 205 compare judgement according to the demand information of feedack and user, and real-time Modulating Power control module 202 pairs of batteries (10,11,12 ... velocity of discharge 1N).
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (6)
1. a diagnostic method for batteries of electric automobile off-board diagnosis equipment, is characterized in that: described batteries of electric automobile off-board diagnosis equipment comprises some isolated power modules and a control module be connected with outer computer; Isolated power module is for gathering the voltage of each battery in power brick, electric current and temperature information, input control module; Control module is for receiving the information of isolated power module acquires and processing, and be electrical isolation between described some isolated power modules, described isolated power module is connected by communication bus with between described control module;
Described isolated power module comprises insulating power supply module, power control module, sampling module, operation control module and isolated communication module; Insulating power supply module is used for converting civil power to low-voltage DC and completing electrical isolation, provides electric energy to operation control module and power control module; Power control module for gathering voltage, electric current and the temperature information of each battery in power brick or carrying out charge or discharge operation to battery, sampling module be used for detection power control module operating state and by detect information feed back to operate control module; Operation control module, by communication bus described in isolated communication model calling, receives the information from described control module, and the job information feeding back himself is to control module;
The diagnostic method of above-mentioned batteries of electric automobile off-board diagnosis equipment comprises the steps:
A, control module send request message to isolated power module;
B, isolated power module receive from the request message of control module, and according to the voltage of each battery in the content acquisition power brick of request message, electric current and temperature information, the information of collection are fed back to control module by response message;
C, control module receive the response message from isolated power module, the response message of reception is saved in external memory storage and translates, and the response message after translation is transferred to computer;
D, computer obtain the demand information of user by man-machine interface, according to the demand information of user, diagnosed, the instruction after diagnosis is sent to control module by the main body diagnosis maintenance algorithm of computer to the response message received;
E, control module receive the instruction from computer and translate, by the command after translation to isolated power module;
F, isolated power module receive the instruction from control module and carry out charge or discharge operation to battery, and the information that operation produces feeds back to computer after control module translation;
Wherein, in described step F, to the concrete steps of battery charging be:
F1, power control module receive the instruction from operation control module, carry out charging operations according to instruction to battery, and part or all of the energy of civil power is outputted to battery;
The charged state of F2, sampling module detection power control module by the information feed back detected to operating control module;
F3, operation control module compare judgement according to the demand information of feedack and user, and real-time Modulating Power control module is to the charging rate of battery.
2. the diagnostic method of a kind of batteries of electric automobile off-board diagnosis equipment according to claim 1, is characterized in that: each described battery connects one or more isolated power module; Described battery is the lithium-ion-power cell that voltage is less than 5V.
3. the diagnostic method of a kind of batteries of electric automobile off-board diagnosis equipment according to claim 1, is characterized in that: described control module comprises external memory storage.
4. the diagnostic method of a kind of batteries of electric automobile off-board diagnosis equipment according to claim 1, is characterized in that: described isolated power module also comprises energy ezpenditure module, and energy ezpenditure module is connected with described power control module.
5. the diagnostic method of a kind of batteries of electric automobile off-board diagnosis equipment according to claim 1, is characterized in that: described step B is specially:
B1, insulating power supply module convert civil power to low-voltage DC and complete electrical isolation, provide electric energy to operation control module and power control module;
B2, operation control module receive the request message from control module by isolated communication module, and request message is transferred to power control module;
B3, power control module receive the request message from operation control module, and according to the voltage of each battery in the content acquisition power brick of request message, electric current and temperature information;
The acquisition state of B4, sampling module detection power control module, feeds back to operation control module by the information of detection by response message;
Response message is fed back to control module by isolated communication module by B5, operation control module.
6. the diagnostic method of a kind of batteries of electric automobile off-board diagnosis equipment according to claim 4, is characterized in that: in described step F, to the concrete steps of battery discharge is:
F I, power control module receive the instruction of operation control module, carry out discharge operation to battery, and part or all of the energy of battery is outputted to energy ezpenditure module;
The discharge condition of F II, sampling module detection power control module by the information feed back detected to operating control module;
F III, operation control module compare judgement according to the demand information of feedack and user, and real-time Modulating Power control module is to the velocity of discharge of battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279463.1A CN103368229B (en) | 2013-07-04 | 2013-07-04 | Ground electric vehicle battery diagnosis device and diagnostic method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279463.1A CN103368229B (en) | 2013-07-04 | 2013-07-04 | Ground electric vehicle battery diagnosis device and diagnostic method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103368229A CN103368229A (en) | 2013-10-23 |
| CN103368229B true CN103368229B (en) | 2015-03-25 |
Family
ID=49368999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310279463.1A Expired - Fee Related CN103368229B (en) | 2013-07-04 | 2013-07-04 | Ground electric vehicle battery diagnosis device and diagnostic method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103368229B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158692A (en) * | 2015-07-30 | 2015-12-16 | 国家电网公司 | Lead-acid cell monomer consistency evaluation system and method |
| CN104991201A (en) * | 2015-07-30 | 2015-10-21 | 国家电网公司 | Lithium ion battery cell consistency evaluation system and method |
| CN105206882B (en) * | 2015-08-25 | 2017-11-07 | 广州能源检测研究院 | A kind of electric automobile power battery ground prosthetic device |
| CN111768010A (en) * | 2019-03-15 | 2020-10-13 | 联合汽车电子有限公司 | User maintenance system of networked electric automobile and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100495805C (en) * | 2005-04-18 | 2009-06-03 | 万向电动汽车有限公司 | Method for forming battery running system of electric vehicle and system |
| CN100486032C (en) * | 2007-01-19 | 2009-05-06 | 华南理工大学 | Collective and distributive type power batteries dynamic equilibria management system |
| CN201975839U (en) * | 2010-12-17 | 2011-09-14 | 上海市电力公司 | Electric automobile charge and discharge system |
| US9774193B2 (en) * | 2011-10-26 | 2017-09-26 | Eetrex, Inc. | Battery cell charge balancing |
-
2013
- 2013-07-04 CN CN201310279463.1A patent/CN103368229B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103368229A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107565183B (en) | Full-life-cycle application-oriented modular distributed battery management system and method | |
| CN102653263B (en) | Electric automobile power battery management system and method | |
| US9846198B2 (en) | Battery management system, battery, motor vehicle having a battery management system, and method for monitoring a battery | |
| CN103683428B (en) | A kind of battery management system for electric automobile and electric automobile | |
| CN103336246B (en) | Storage battery monitoring device and method | |
| CN201781037U (en) | Battery management system of electric automobile | |
| CN203157756U (en) | Lithium battery pack monitoring and control system for electric automobile | |
| CN204407927U (en) | A kind of Intelligent management | |
| CN105391108A (en) | Battery pack and hybrid vehicle including the battery pack | |
| CN105334065A (en) | Multifunctional power electronics test system for electromobile | |
| CN204870587U (en) | Electricelectric motor car vehicle mounted power and mobile unit's power supply structure | |
| CN106627203A (en) | Pure electric sanitation vehicle on-board power source system | |
| CN103368229B (en) | Ground electric vehicle battery diagnosis device and diagnostic method thereof | |
| CN104333108A (en) | Electrical system of emergency rescue charging vehicle for electrical automobile and working method of electrical system | |
| CN204243837U (en) | New energy car battery management system | |
| CN105375583A (en) | Management system and method of power lithium battery pack | |
| EP4088964A1 (en) | Charging controller and vehicle | |
| CN109188147A (en) | A kind of charging equipment of electric automobile detection system | |
| CN107878243A (en) | A kind of battery management system and method | |
| CN202080145U (en) | Battery management system | |
| JP2022519956A (en) | Battery test system | |
| CN109585948B (en) | Distributed detection system and method for automobile lithium battery cell and measurement module | |
| CN105471083B (en) | A kind of safety switching apparatus and method of power battery and battery simulator | |
| CN204290373U (en) | A kind of battery of electric vehicle control system | |
| CN203752922U (en) | Battery management system for electric automobile and electric automobile with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |