CN202134929U - Distributed battery management system based on three layers of CAN (Controller Area Network) - Google Patents
Distributed battery management system based on three layers of CAN (Controller Area Network) Download PDFInfo
- Publication number
- CN202134929U CN202134929U CN201120213208U CN201120213208U CN202134929U CN 202134929 U CN202134929 U CN 202134929U CN 201120213208 U CN201120213208 U CN 201120213208U CN 201120213208 U CN201120213208 U CN 201120213208U CN 202134929 U CN202134929 U CN 202134929U
- Authority
- CN
- China
- Prior art keywords
- voltage
- module
- interface
- main control
- bms
- 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 - Lifetime
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a distributed battery management system based on three layers of CAN. The system mainly comprises a BMS (Battery Management System) main control module, a voltage-temperature detection module, a high-voltage management module, an insulation detection module, a current detection module, and a set of BMS external interfaces, and is characterized in that a main controller in the BMS main control module carries out control and expansion via a bus so as to form three layers of CAN communication modules arranged in the main controller in the BMS main control module, and the BMS main control module carries out data communication with a vehicle controller, the voltage-temperature detection module and a charger respectively via the three layers of CAN communication modules. The system employs a three-layer CAN network structure, thereby improving the reliability and stability of battery management system communication, and further improving the efficiency of the battery management system; the system employs the self-powered technique of a voltage-current collection board, thereby reducing the power consumption of the battery management system and simplifying system wiring; and the high-voltage management module employs a pre-poweron method, thereby reducing impact on a vehicle load and a battery pack.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of cell management system of electric automobile that is used for.A kind of specifically distributed battery management system based on three layers of CAN network.
Background technology
The environmental problem that pollution caused in the face of traditional fuel-engined vehicle exhaust emissions; Electric automobile is with its good environmental protection, energy conservation characteristic; Become one of current international automobile development current and focus; Battery is the important composition part of electric automobile, and is paid attention to and research and develop and apply by the scientific research institution of many governments, automobile enterprise and relevant industries as the battery management system that battery performance is played key effect.
At present, people improve battery efficiency increasing battery useful life, give full play to the battery performance aspect and have all made significant effort, progressively improve and have improved battery management system stability and practicality.Context of detection has improved the certainty of measurement of voltage, temperature and electric current; The data communication aspect has been equipped with complete communication interface, can the information of battery be sent to entire car controller, display interface; The reliability aspect is in conjunction with modern large scale integrated circuit technology, the antijamming capability of raising system operation.The safeguard protection aspect in battery pack overvoltage, overcurrent, overshoot, cross situation such as put and descended to have taked various safeguard measures, has improved the safety in utilization of battery management system.
Generally speaking; In the last few years, the battery management system technology is greatly improved, and many aspects have got into practical stage; But some part is still perfect inadequately; Also not very ripe, especially all be further improved and improve that the design and use of the low-power consumption collection plate that the self-powered technology realizes in battery management system do not relate at the aspects such as fail safe of the reliability and stability of the transmitting-receiving of whole communication network mass data, high pressure management.
Summary of the invention:
The purpose of the utility model provides the battery management system based on three layers of CAN network distribution type that a kind of communication robust property is high, the high pressure management reliability is high, the employing self-powered is realized low-power consumption, to overcome the deficiency of prior art.
To achieve these goals, the technical scheme that the utility model adopted is:
A kind of distributed battery management system based on three layers of CAN network; This system mainly comprises BMS main control module, voltage-temperature detecting module, high pressure administration module, insulation monitoring module, current detection module, standard charging interface; High pressure output interface, car load communication interface, vehicle-mounted low-tension supply interface, (the standard charging interface: high-voltage charging interface 08, charging communication interface 11, low pressure accessory power supply interface 12, charging connect to be confirmed and ground, chassis interface 14 1 cover BMS external interface; High pressure output interface 09; Car load communication interface 10; Vehicle-mounted low-tension supply interface 13).Be characterized in: the master controller in the BMS main control module is built-in with a CAN communication module CAN1 and the 2nd CAN communication module CAN2; Also have one the 3rd CAN communication module CAN3 to be come through total line traffic control expansion by the master controller in the BMS main control module, the BMS main control module carries out data communication through a CAN communication module CAN1, the 2nd CAN communication module CAN2 and the 3rd CAN communication module CAN3 and entire car controller, voltage-temperature detecting module, charger respectively.
Said high pressure administration module in battery charge, power on and descend under three kinds of different working modes of electricity, adopt the Different control strategy, through I/O output unit control battery charge, power on and cut off the power supply, be specially:
Under charge mode; The standard charging interface is connected with the corresponding interface of charger; After BMS main control module and charger are shaken hands success; At first carry out the configuration of charge parameter, send the charging execution command to the high pressure administration module then, the high pressure administration module starts I/O output unit control charger and charges to battery;
Under last power mode; Battery output interface, car load communication interface, the vehicle-mounted low-tension supply interface interface corresponding with car load are connected; After the BMS main control module inserts vehicle-mounted low-tension supply and self check fault-free; Power on after the instruction when the BMS main control module receives the online high-tension electricity of a CAN communication module CAN1, the high pressure administration module starts the I/O output unit and accomplishes power up;
Under power-down mode; After the BMS main control module receives the online high-tension electricity cut-offing instruction of a CAN communication module CAN1; At first detect the high voltage bus electric current; When the high voltage bus electric current less than can cut off the power supply safe current value 1A the time, send the outage execution command to the high pressure administration module, the high pressure administration module starts the I/O output unit and accomplishes power process.
Said voltage-temperature detecting module is made up of M piece voltage-temperature acquisition board, and every voltage-temperature acquisition board is made up of single-chip microcomputer, voltage acquisition unit, temperature collecting cell, self-powered unit, CAN communication unit five parts, wherein:
Voltage acquisition unit is made up of single-chip microcomputer, decoder, light coupling relay group, differential amplifier circuit, filtering and protective circuit, A/D conversion chip, A/D voltage reference; Single-chip microcomputer is through I/O mouth control decoder gating and decoding; The output of decoder is as the gating signal of light coupling relay, and voltage acquisition unit has 15 road voltage acquisition passages;
The initial condition of voltage-temperature acquisition board is a low-power consumption mode, and single-chip microcomputer is in resting state under this pattern, and voltage acquisition unit and temperature collecting cell are in closes off position.After single-chip microcomputer received the online activation instruction of the 3rd CAN communication module CAN3, single-chip microcomputer was waken up, and voltage-temperature acquisition board gets into mode of operation;
The self-powered unit is made up of wide region input 5V output DC/DC supply convertor, relay S, diode D, 5V button cell; Under low-power consumption mode; Single-chip microcomputer breaks off through the relay S of I/O mouth control self-powered unit; Wide region input 5V output DC/DC supply convertor is not worked, and the self-powered unit inserts the 5V button cell and gives voltage-temperature acquisition board power supply; Under mode of operation, single-chip microcomputer is closed through I/O mouth control relay S, starts wide region input 5V output DC/DC supply convertor and gives voltage-temperature acquisition board power supply.
The utility model is compared with the conventional battery management system and is had the following advantages:
(1) adopt three layers of CAN network configuration, the entire cell management system is in the receipts of mass data
Be greatly improved on the reliability of sending out, the stability, thereby improved the efficient of battery management system.
(2) adopt the self-powered method of voltage-to-current acquisition module, improved the integrated level of system, reduced the loaded down with trivial details of low-tension supply wiring, reduced the power consumption of battery management system.
(3) the high pressure administration module adopts preparatory powering method in the high pressure power up, has reduced high pressure and has inserted the great peak current that moment produces, and has reduced the impact to vehicle-mounted load and power brick.
Description of drawings
Fig. 1 is the general structure sketch map of the utility model.
Fig. 2 is the master controller of the utility model and the structural representation of peripheral circuit.
Fig. 3 is the working state of system switching figure of the utility model.
Fig. 4 is the voltage-to-current acquisition module structural representation of the utility model.
Fig. 5 is the workflow diagram of the self-powered unit of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified and sets forth.
As shown in Figure 1; A kind of battery management system based on three layers of CAN network distribution type, mainly (the standard charging interface: high-voltage charging interface 08, charging communication interface 11, low pressure accessory power supply interface 12, charging connect to be confirmed and ground, chassis interface 14 by three layers of CAN network, BMS main control module 01, voltage-temperature detecting module 02, high pressure administration module 03, insulation monitoring module 04, current detection module 05,1 cover BMS external interface in system; High pressure output interface 09; Car load communication interface 10; Vehicle-mounted low-tension supply interface 13).
The utility model insulation monitoring module 04 detects the insulation resistance of high pressure both positive and negative polarity and chassis; After battery management system powers on; Regularly carry out the detection of insulation resistance; And the class of insulation is divided into three ranks: be lower than 100 Ω/V and represent that the class of insulation is poor, the expression class of insulation is good between 100 Ω/V and 500 Ω/V, representes that greater than 500 Ω/V the class of insulation is excellent.Thereby, can draw the insulation status grade of battery pack, and class of insulation situation is placed in the control strategy.
As shown in Figure 2, the utility model BMS main control module comprises: central controller MCU1, with having that central controller MCU1 is connected: communication module CAN1, CAN2, CAN3; RS-485 and RS-232; Warning circuit; Clock circuit; The FRAM memory cell; The LCD display circuit; Switching value output etc.
As shown in Figure 3; The utility model high pressure administration module in battery charge, power on and descend under three kinds of different working modes of electricity; Adopt the Different control strategy, through I/O output unit control charging contactor KM1, negative pole contactor KM2, load contactor KM3, go up the break-make of electric contactor KM4 in advance.
Under charge mode; The standard charging interface is connected with the corresponding interface of charger; After BMS main control module and charger are shaken hands success, at first carry out the configuration of charge parameter, send the charging execution command to the high pressure administration module then; The high pressure administration module starts I/O output unit control negative pole contactor KM2, charging contactor KM1 is closed, and charger charges to battery.In charging process; BMS main control module master controller carries out information interaction with charger in real time through CAN2; The size of control charging current, charging voltage; And data such as the monolithic battery voltage of the bottom detection module being put forward through CAN3, high voltage bus electric current, battery temperature, class of insulation situation handle and on LCD, show, and guarantee the safety of charging process.
If in charging process; If monolithic battery voltage, high voltage bus electric current, battery temperature is undesired or detect high voltage bus and the insulation resistance of chassis is lower than 100 Ω/V; BMS main control module master controller cuts off charging contactor KM1 and negative pole contactor KM2 immediately and sends warning through the high pressure administration module, and warning message is sent to entire car controller through CAN1.
When charging,, meet a diode D1 between vehicle-mounted low-tension supply interface and the low pressure accessory power supply for the low pressure accessory power supply that does not make charger exerts an influence to vehicle-mounted low-tension supply.
Under last power mode; High pressure output interface 9, car load communication interface 10, vehicle-mounted low-tension supply interface 13 interface corresponding with car load are connected, after the BMS main control module inserts vehicle-mounted low-tension supply and self check fault-free, when the BMS main control module receive the online high-tension electricity of CAN1 power on the instruction after; The high pressure administration module starts the I/O output unit and connects negative pole contactor KM2 earlier; Time-delay 100mS connects and goes up electric contactor KM4 in advance, after 500mS accomplishes pre-charge process in second, connects load contactor KM3; Time-delay 100mS breaks off precharge contactor KM4, accomplishes power up.
If in power up; Power-on time is long in advance; Or the insulation resistance that detects high voltage bus and chassis is lower than 100 Ω/V; The BMS master controller cuts off charging contactor KM1 and negative pole contactor KM2 immediately and sends warning, and the BMS master controller is sent to car load with warning message through CAN1, thereby guarantees the safety of whole power up.
Under power-down mode; After the BMS main control module receives the online high-tension electricity cut-offing instruction of CAN1; At first detect the high voltage bus electric current; When the high voltage bus electric current less than can cut off the power supply safe current value 1A the time, send outage execution command switching off load contactor KM3 and negative pole contactor KM2 to the high pressure administration module; If surpass 10 seconds, the high voltage bus electric current is still greater than 1A, and the BMS main control module initiatively cuts off load contactor KM3 and negative pole contactor KM2 through the high pressure administration module, and record trouble.Keep vehicle-mounted low-tension supply to connect simultaneously, after the storage of completion related data, battery management system withdraws from power supply self-sustaining pattern.
Like Fig. 4 and shown in Figure 5, the utility model voltage-temperature detecting module is made up of M piece voltage-temperature acquisition board, and every voltage-temperature acquisition board is made up of single-chip microcomputer, voltage acquisition unit, temperature collecting cell, self-powered unit, CAN communication unit five parts.
Voltage acquisition unit is made up of single-chip microprocessor MCU 2 (201), decoder (202), differential amplifier circuit (203), filtering and protective circuit (204), A/D change-over circuit (205), A/D reference voltage (206), light coupling relay group (209) etc.The voltage acquisition plate adopts the mode of patrolling and examining to carry out voltage acquisition, and MCU2 is through the gating and the decoding of I/O mouth control decoder, and the output of decoder is as the gating signal of light coupling relay, and voltage acquisition unit can be gathered 15 road voltage datas.
Temperature collecting cell selects for use DS18B20 (312) as detector unit, and this temperature sensor does not need extra A/D change-over circuit, directly converts temperature value to digital quantity and exports to central control chip MCU2 (301).With the zone of per 15 tunnel battery pack as temperature detection, when detected temperature was higher than set point, the BMS master controller started fan battery is lowered the temperature, and when this regional temperature is lower than set point, stops blower fan.
Voltage, temperature data send to the BMS main control module through CAN3 and show at LCD.
The self-powered unit is made up of wide region input DC/DC supply convertor (210), relay S, diode D, stand-by power supply (211) etc.
The initial condition of voltage-temperature acquisition board is a low-power consumption mode.Under low-power consumption mode, single-chip microcomputer sends the I/O control command breaks off the relay S of self-powered unit, and wide region input 5V output DC/DC supply convertor is not worked, and the self-powered unit inserts the 5V button cell and gives voltage-temperature acquisition board power supply.Single-chip microcomputer is in resting state, and voltage acquisition unit and temperature collecting cell are in closes off position.After single-chip microcomputer received the online activation instruction of CAN3, single-chip microcomputer was waken up, and single-chip microcomputer sends the I/O control command makes the relay S of self-powered unit closed, started wide region input 5V output DC/DC supply convertor and gave voltage-temperature acquisition board power supply.Voltage-temperature acquisition board gets into mode of operation.Voltage-temperature acquisition board sends through the data of carrying out of CAN3.
Anodal termination at stand-by power supply has met a diode D2, when avoiding relay S closed, stand-by power supply is produced impact.
The CAN communication unit is isolated by photoelectricity and bus driver PCA82C250 (305), toggle switch (306) etc. form.Every voltage-temperature acquisition board all has oneself ID number, is provided with through toggle switch for ID number.
Explanation at last, the above-mentioned enforcement of the utility model only is used to explain the technical scheme of the utility model, and all do not break away from modification and the replacement of carrying out under the situation of spirit and principle of the utility model, and it all should be encompassed in the middle of the claim scope of the utility model.
The content of not doing in this specification to describe in detail belongs to this area professional and technical personnel's known prior art.
Claims (3)
1. distributed battery management system based on three layers of CAN network; This system mainly comprises BMS main control module, voltage-temperature detecting module, high pressure administration module, insulation monitoring module, current detection module, 1 cover BMS external interface, and wherein the BMS external interface comprises
The standard charging interface: high-voltage charging interface 08, charging communication interface 11, low pressure accessory power supply interface 12, charging connect to be confirmed and ground, chassis interface 14;
High pressure output interface 09; Car load communication interface 10; Vehicle-mounted low-tension supply interface 13,
It is characterized in that: the master controller in the BMS main control module is built-in with a CAN communication module CAN1 and the 2nd CAN communication module CAN2; Also have one the 3rd CAN communication module CAN3 to be come through total line traffic control expansion by the master controller in the BMS main control module, the BMS main control module carries out data communication through a CAN communication module CAN1, the 2nd CAN communication module CAN2 and the 3rd CAN communication module CAN3 and entire car controller, voltage-temperature detecting module, charger respectively.
2. a kind of distributed battery management system according to claim 1 based on three layers of CAN network; It is characterized in that: said high pressure administration module in battery charge, power on and descend under three kinds of different working modes of electricity; Adopt the Different control strategy; Control battery charge, power on and cut off the power supply through the I/O output unit, be specially:
Under charge mode; The standard charging interface is connected with the corresponding interface of charger; After BMS main control module and charger are shaken hands success; At first carry out the configuration of charge parameter, send the charging execution command to the high pressure administration module then, the high pressure administration module starts I/O output unit control charger and charges to battery;
Under last power mode; Battery output interface, car load communication interface, the vehicle-mounted low-tension supply interface interface corresponding with car load are connected; After the BMS main control module inserts vehicle-mounted low-tension supply and self check fault-free; Power on after the instruction when the BMS main control module receives the online high-tension electricity of a CAN communication module CAN1, the high pressure administration module starts the I/O output unit and accomplishes power up;
Under power-down mode; After the BMS main control module receives the online high-tension electricity cut-offing instruction of a CAN communication module CAN1; At first detect the high voltage bus electric current; When the high voltage bus electric current less than can cut off the power supply safe current value 1A the time, send the outage execution command to the high pressure administration module, the high pressure administration module starts the I/O output unit and accomplishes power process.
3. a kind of distributed battery management system according to claim 1 and 2 based on three layers of CAN network; It is characterized in that: said voltage-temperature detecting module is made up of M piece voltage-temperature acquisition board; Every voltage-temperature acquisition board is made up of single-chip microcomputer, voltage acquisition unit, temperature collecting cell, self-powered unit, CAN communication unit five parts, wherein:
Voltage acquisition unit is made up of single-chip microcomputer, decoder, light coupling relay group, differential amplifier circuit, filtering and protective circuit, A/D conversion chip, A/D voltage reference; Single-chip microcomputer is through I/O mouth control decoder gating and decoding; The output of decoder is as the gating signal of light coupling relay, and voltage acquisition unit has 15 road voltage acquisition passages;
The initial condition of voltage-temperature acquisition board is a low-power consumption mode, and single-chip microcomputer is in resting state under this pattern, and voltage acquisition unit and temperature collecting cell are in closes off position; After single-chip microcomputer received the online activation instruction of the 3rd CAN communication module CAN3, single-chip microcomputer was waken up, and voltage-temperature acquisition board gets into mode of operation;
The self-powered unit is made up of wide region input 5V output DC/DC supply convertor, relay S, diode D, 5V button cell; Under low-power consumption mode, single-chip microcomputer breaks off through the relay S of I/O mouth control self-powered unit, and wide region input 5V output DC/DC supply convertor is not worked, and the self-powered unit inserts the 5V button cell and gives voltage-temperature acquisition board power supply; Under mode of operation, single-chip microcomputer is closed through I/O mouth control relay S, starts wide region input 5V output DC/DC supply convertor and gives voltage-temperature acquisition board power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120213208U CN202134929U (en) | 2011-06-22 | 2011-06-22 | Distributed battery management system based on three layers of CAN (Controller Area Network) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120213208U CN202134929U (en) | 2011-06-22 | 2011-06-22 | Distributed battery management system based on three layers of CAN (Controller Area Network) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202134929U true CN202134929U (en) | 2012-02-01 |
Family
ID=45523686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120213208U Expired - Lifetime CN202134929U (en) | 2011-06-22 | 2011-06-22 | Distributed battery management system based on three layers of CAN (Controller Area Network) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202134929U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263428A (en) * | 2011-06-22 | 2011-11-30 | 武汉理工大学 | Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic |
| CN102738525A (en) * | 2012-06-14 | 2012-10-17 | 沈阳中科正方新能源技术有限公司 | Battery management system of vehicle-mounted lithium power battery |
| CN102981041A (en) * | 2012-11-10 | 2013-03-20 | 中山普润斯电源设备技术有限公司 | Battery cell monitoring system |
| CN103515663A (en) * | 2012-06-18 | 2014-01-15 | 微宏动力系统（湖州）有限公司 | Battery pack charging method and charging device using battery pack charging method |
| CN104135270A (en) * | 2014-07-17 | 2014-11-05 | 青岛歌尔声学科技有限公司 | High pulse output circuit and equipment using high pulse output circuit |
| CN104578260A (en) * | 2014-12-22 | 2015-04-29 | 山东神工海特电子科技有限公司 | Control device for electric vehicle |
| CN105576747A (en) * | 2015-12-25 | 2016-05-11 | 广州亿航智能技术有限公司 | Power management system of multi-rotor manned aircraft and aircraft |
| CN106656625A (en) * | 2017-01-05 | 2017-05-10 | 中车青岛四方车辆研究所有限公司 | Conversion control method and conversion module for train CAN communication based on ARM |
| CN107946673A (en) * | 2017-12-01 | 2018-04-20 | 深圳名飞远科技有限公司 | The Vehicular dynamic battery management system and its management method of a kind of high robust |
| CN108132665A (en) * | 2017-12-27 | 2018-06-08 | 威马智慧出行科技（上海）有限公司 | For the Vehicular communication system and electric vehicle of electric vehicle |
-
2011
- 2011-06-22 CN CN201120213208U patent/CN202134929U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263428B (en) * | 2011-06-22 | 2013-07-24 | 武汉理工大学 | Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic |
| CN102263428A (en) * | 2011-06-22 | 2011-11-30 | 武汉理工大学 | Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic |
| CN102738525A (en) * | 2012-06-14 | 2012-10-17 | 沈阳中科正方新能源技术有限公司 | Battery management system of vehicle-mounted lithium power battery |
| CN103515663B (en) * | 2012-06-18 | 2016-01-20 | 微宏动力系统（湖州）有限公司 | The charging device of power brick charging method and employing the method |
| CN103515663A (en) * | 2012-06-18 | 2014-01-15 | 微宏动力系统（湖州）有限公司 | Battery pack charging method and charging device using battery pack charging method |
| CN102981041A (en) * | 2012-11-10 | 2013-03-20 | 中山普润斯电源设备技术有限公司 | Battery cell monitoring system |
| CN102981041B (en) * | 2012-11-10 | 2015-05-27 | 中山普润斯电源设备技术有限公司 | Battery cell monitoring system |
| CN104135270A (en) * | 2014-07-17 | 2014-11-05 | 青岛歌尔声学科技有限公司 | High pulse output circuit and equipment using high pulse output circuit |
| CN104578260A (en) * | 2014-12-22 | 2015-04-29 | 山东神工海特电子科技有限公司 | Control device for electric vehicle |
| CN105576747A (en) * | 2015-12-25 | 2016-05-11 | 广州亿航智能技术有限公司 | Power management system of multi-rotor manned aircraft and aircraft |
| WO2017107722A1 (en) * | 2015-12-25 | 2017-06-29 | 广州亿航智能技术有限公司 | Power management system of multirotor manned aerial vehicle and aerial vehicle |
| CN106656625A (en) * | 2017-01-05 | 2017-05-10 | 中车青岛四方车辆研究所有限公司 | Conversion control method and conversion module for train CAN communication based on ARM |
| CN106656625B (en) * | 2017-01-05 | 2019-05-31 | 中车青岛四方车辆研究所有限公司 | Based on the train of ARM CAN communication switching control method and conversion module |
| CN107946673A (en) * | 2017-12-01 | 2018-04-20 | 深圳名飞远科技有限公司 | The Vehicular dynamic battery management system and its management method of a kind of high robust |
| CN108132665A (en) * | 2017-12-27 | 2018-06-08 | 威马智慧出行科技（上海）有限公司 | For the Vehicular communication system and electric vehicle of electric vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102263428B (en) | Distributed battery management system (BMS) based on three-layer CAN (controller area network) network and self-powered characteristic | |
| CN202134929U (en) | Distributed battery management system based on three layers of CAN (Controller Area Network) | |
| CN201063352Y (en) | Lead acid accumulator maintenance instrument special for electric vehicle | |
| CN110356343A (en) | A kind of monitoring method of vehicle battery state | |
| CN206610128U (en) | A kind of Waterborne movable refuse collector | |
| CN201173962Y (en) | Multifunctional intelligent detector for accumulator | |
| CN109625150A (en) | Hydrogen energy source power-assisted vehicle control and its control method | |
| CN202254627U (en) | Electricity consumption monitorable refrigerator | |
| CN202014112U (en) | Portable digital mobile power supply | |
| CN206470376U (en) | Batteries charge-discharge test instrument | |
| CN201854053U (en) | Periodic awakening power circuit with self-locking function | |
| CN204145045U (en) | Micro-capacitance sensor intelligent flexible charging system | |
| CN201750175U (en) | GPS charging onboard bracket | |
| CN201690247U (en) | Solar electric-vehicle intelligent charging station | |
| CN108819752A (en) | Battery management system | |
| CN202103458U (en) | Charging pile system of electric automobile based on network of things | |
| CN201312132Y (en) | Control device of power supply system of wind-solar-diesel complementary off-network | |
| CN201876530U (en) | Storage battery discharging detector | |
| CN205317909U (en) | Apply to on -vehicle battery safety detection system of electric motor car | |
| CN104333941A (en) | Wind power and optical power complementation street lamp controller capable of monitoring, and control method thereof | |
| CN205195382U (en) | Intelligent movement formula electric automobile charging station | |
| CN204736714U (en) | Electric motor car with two power supply unit | |
| CN203377612U (en) | Electric sight-seeing vehicle built-in bus charge and discharge system based on instrument control | |
| CN208232841U (en) | Suitable for calculating the electric vehicle power management system and electric vehicle of stroke | |
| CN202837369U (en) | Charging detection device for electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120201 Effective date of abandoning: 20130724 |
|
| RGAV | Abandon patent right to avoid regrant |