CN105346405A - Electric vehicle and battery pack monitoring system thereof - Google Patents
Electric vehicle and battery pack monitoring system thereof Download PDFInfo
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- CN105346405A CN105346405A CN201510708445.XA CN201510708445A CN105346405A CN 105346405 A CN105346405 A CN 105346405A CN 201510708445 A CN201510708445 A CN 201510708445A CN 105346405 A CN105346405 A CN 105346405A
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- battery
- power brick
- monitoring system
- whole automobile
- electronlmobil
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- 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
-
- 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
The invention discloses an electric vehicle and a battery pack monitoring system thereof. The system comprises a battery pack and an integrated vehicle control unit. The battery pack is provided with a battery data acquirement unit. The battery data acquirement unit is used for obtaining the battery encoded information of the battery pack. The integrated vehicle control unit communicates with the battery data acquirement unit to receive the battery encoded information of the battery pack and selects the battery parameters and the battery control algorithm which are matched with the battery encoded information from multiple groups of battery parameters and multiple battery control algorithms and monitors the battery pack according to the selected battery parameters and the battery control algorithm which are matched with the battery encoded information. Accordingly, by means of the system, vehicles of the same model can be configured with battery packs different in capacity, type and service life on the basis that no integrated vehicle control unit needs to the replaced, correct information can be provided after the battery packs of the vehicles of the same model are replaced, a driver can replace the battery pack according to the requirements of the driver, and the user experience is improved.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of power brick monitoring system of electronlmobil and a kind of electronlmobil.
Background technology
In electronlmobil, power brick is generally used for as electronlmobil is powered, and power brick has dissimilar, different capabilities.In the related, any one electronlmobil generally needs the power brick using fixing model, fixed capacity, is not easy to user and carries out battery altering, affect the experience of user.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, one object of the present invention is the power brick monitoring system proposing a kind of electronlmobil, and this system is suitable for monitoring power brick that is dissimilar, different capabilities.
Another object of the present invention is to propose a kind of electronlmobil.
For achieving the above object, one aspect of the present invention embodiment proposes a kind of power brick monitoring system of electronlmobil, comprise: power brick, described power brick has battery data acquisition unit, and described battery data acquisition unit is for obtaining the battery coded message of described power brick; Integrating whole automobile controller, described integrating whole automobile controller and described battery data acquisition unit carry out the battery coded message communicating to receive described power brick, and from the multiple battery parameter prestored and multiple battery control algorithm, select the battery parameter that matches with described battery coded message and battery control algorithm, and according to the battery parameter matched with described battery coded message selected and battery control algorithm, described power brick is monitored.
According to the power brick monitoring system of the electronlmobil that the embodiment of the present invention proposes, integrating whole automobile controller is according to the battery coded message of power brick, and from the multiple battery parameter prestored and multiple battery control algorithm, select the battery parameter that matches with battery coded message and battery control algorithm, and according to the battery parameter matched with battery coded message selected and battery control algorithm, power brick is monitored.Thus, this system can not need to change on the basis of integrating whole automobile controller, make same automobile type configuration different capabilities, the power brick in dissimilar and different service life, and same vehicle can provide correct information after changing power brick, thus chaufeur can change power brick according to self-demand, promote the experience of user.
According to some embodiments of the present invention, described battery coded message can comprise battery types, capacity of cell and battery configuration information.
According to some embodiments of the present invention, in described multiple battery parameter, often kind of battery parameter can comprise battery specific heat capacity, rated capacity, rated energy, charging controling parameters, control of discharge parameter, active volume estimation parameter and battery failures critical parameter.
According to some embodiments of the present invention, in described multiple battery control algorithm, often kind of battery control algorithm can comprise SOC algorithm and battery charging and discharging control algorithm.
According to some embodiments of the present invention, described integrating whole automobile controller can comprise the first communication interface, described power brick can comprise second communication interface, and described first communication interface is connected with described second communication interface described integrating whole automobile controller is communicated with described battery data acquisition unit.
According to some embodiments of the present invention, described integrating whole automobile controller also comprises third communication interface, described integrating whole automobile controller is communicated with data center remote equipment by described third communication interface, so that data during described power brick work are sent to described data center remote equipment.
According to some embodiments of the present invention, the described performance perameter after upgrading also for the performance perameter of power brick according to Data Update during the described power brick work received, and is fed back to described integrating whole automobile controller by described data center remote equipment.
According to some embodiments of the present invention, the performance perameter of described power brick comprises battery current nominal capacity, battery cycle charge-discharge number of times, battery add up charge/discharge capacity and battery aging status.
According to some embodiments of the present invention, the adjustment instruction of described data center remote equipment also for being inputted outside sends to described integrating whole automobile controller, upgrades corresponding battery parameter and battery control algorithm to make described integrating whole automobile controller according to the adjustment instruction of described outside input.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of electronlmobil, comprises the power brick monitoring system of described electronlmobil.
According to the electronlmobil that the embodiment of the present invention proposes, by the power brick monitoring system of above-mentioned electronlmobil, can not need to change on the basis of integrating whole automobile controller, make same automobile type configuration different capabilities, the power brick in dissimilar and different service life, and same vehicle can provide correct information after changing power brick, thus chaufeur can change power brick according to self-demand, promote the experience of user.
Accompanying drawing explanation
Fig. 1 is the block diagram of the power brick monitoring system of electronlmobil according to the embodiment of the present invention;
Fig. 2 is the block diagram of the power brick monitoring system of electronlmobil according to an embodiment of the invention;
Fig. 3 is the block diagram of the electronlmobil according to the embodiment of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings describe the power brick monitoring system of the electronlmobil that the embodiment of the present invention proposes and there is the electronlmobil of this system.
Fig. 1 is the block diagram of the power brick monitoring system of electronlmobil according to the embodiment of the present invention.As shown in Figure 1, the power brick monitoring system of this electronlmobil comprises: power brick 10 and integrating whole automobile controller 20.
Wherein, power brick 10 has battery data acquisition unit 11, and battery data acquisition unit 11 is for obtaining the battery coded message of power brick 10.In addition, cell voltage value, temperature acquisition value also for obtaining the cell voltage value of power brick 10, temperature acquisition value and relay status, and are sent to integrating whole automobile controller 20 with relay status by battery data acquisition unit (BCU) 11 together with battery coded message.
Should be understood that, the category-A power brick of different types of power brick such as shown in Fig. 2, category-B power brick and C class power brick etc. have different battery data acquisition unit, and it is inner that battery data acquisition unit 11 is located at power brick 10, electronlmobil battery data acquisition unit 11 when changing power brick 10 is correspondingly also replaced.Different types of power brick is sent to the information category comprised in the battery coded message of integrating whole automobile controller 20 should be consistent.
Integrating whole automobile controller 20 and battery data acquisition unit 11 carry out the battery coded message communicating to receive power brick, and from the multiple battery parameter prestored and multiple battery control algorithm, select the battery parameter that matches with battery coded message and battery control algorithm, and according to the battery parameter matched with battery coded message selected and battery control algorithm, power brick 10 is monitored.
Should be understood that, the integrating whole automobile controller (VBU) 20 of the embodiment of the present invention is integrated with whole automobile control function and battery management function, with the control car load more optimized and battery.In other words, integrating whole automobile controller 20 assume responsibility for whole automobile control function, also assume responsibility for the application layer management function of traditional battery management system simultaneously.Wherein, battery management function comprises power brick charging control function, power brick useful capacity and active volume estimation function, power brick failure message decision-making function, power brick charging and discharging capabilities estimation function, power brick health degree SOH assessment function etc.; Whole automobile control function comprises car load power-on and power-off controlling functions, operator demand's torque arithmetic function, annex controlling functions etc.
It should be noted that, multiple battery parameter and multiple battery control algorithm can be pre-stored in memory device 30 as shown in Figure 2, memory device 30 can be FLASH flash memory or other storage mediums, memory device 30 can be arranged independent of integrating whole automobile controller 20, or can setting integrated with integrating whole automobile controller 20.Wherein, multiple battery parameter and multiple battery control algorithm corresponding with multiple battery coded message, namely say the corresponding different battery parameter of different battery coded messages and battery control algorithm, often kind of battery coded message only can be corresponding with a kind of battery parameter wherein and battery control algorithm.
After car load powers on, the power brick 10 be connected with integrating whole automobile controller 20 sends the battery coded message of power brick 10 immediately to integrating whole automobile controller 20, integrating whole automobile controller 20 identifies automatically according to the battery coded message received, the battery parameter mated with it and battery control algorithm is read from FLASH flash memory or other storage mediums, thus the power brick dissimilar according to the coded message self adaptation of power brick, namely same car can normal estimating battery capacity after changing different power brick, charge and discharge control etc., and provide correct information for chaufeur, such as, the distance that electronlmobil can travel, the charging controling parameters of power brick and algorithm and expected residual charging duration etc.
Thus, the battery monitoring system of the embodiment of the present invention can according to the actual demand of market and electronlmobil, the power brick that quick-replaceable is dissimilar, and the software of car load integrated manipulator does not need again to write with a brush dipped in Chinese ink and just can automatically be suitable for new power brick.
According to a specific embodiment of the present invention, battery coded message comprises battery types, capacity of cell and battery configuration information.It should be noted that, the battery types of the power brick 10 that electronlmobil uses can be ter-polymers and LiFePO4 etc., and capacity of cell can be 27 degree of electricity, 37 degree of electricity etc.All can embody in the battery coded message that above-mentioned battery types, capacity of cell and battery configuration information send in battery data acquisition unit 11.
Further, in multiple battery parameter, often kind of battery parameter comprises battery specific heat capacity, rated capacity, rated energy, charging controling parameters, control of discharge parameter, active volume estimation parameter and battery failures critical parameter.
Further, in multiple battery control algorithm, often kind of battery control algorithm comprises SOC (StateofCharge, state-of-charge, dump energy) algorithm and battery charging and discharging control algorithm.
That is, the production firm of power brick 10, battery types, capacity of cell and battery configuration information etc. are obtained the battery coded message that integrating whole automobile controller 20 can send from power brick 10.Then, integrating whole automobile controller 20 can according to battery coded message, the battery types mated with battery coded message is read from Flash flash memory or other storage medium, battery compares hot melt, battery weight, rated capacity, rated energy, charging controling parameters, control of discharge parameter, active volume estimation parameter, the battery parameters such as battery failures critical parameter, and at the control algorithm selecting to match with battery types from Flash flash memory or other storage medium, such as correspond to the SOC algorithm of ter-polymers or LiFePO4, the battery charging and discharging control algorithm that different battery types is corresponding.
In addition, according to one embodiment of present invention, integrating whole automobile controller 20 can comprise the first communication interface, and power brick 10 comprises second communication interface, and the first communication interface is connected with second communication interface integrating whole automobile controller 20 is communicated with battery data acquisition unit 11.
Should be understood that, car load possesses unified power brick mounting interface i.e. the first communication interface, and correspondingly, the second communication interface of dissimilar power brick 10 also should be consistent, to realize proper communication.
Further, as shown in Figure 2, integrating whole automobile controller 20 also comprises third communication interface, integrating whole automobile controller 20 is communicated with data center remote equipment 40 by third communication interface, data during power brick 10 to be worked are sent to data center remote equipment 40, thus engineering staff can carry out analysis management and maintenance by the data received to power brick 10.
Further, the performance perameter of the Data Update power brick 10 when data center remote equipment 40 is also for working according to the power brick 10 received, and the performance perameter after upgrading is fed back to integrating whole automobile controller 20.Wherein, the performance perameter of power brick 10 comprises battery current nominal capacity, battery cycle charge-discharge number of times, battery add up charge/discharge capacity and battery aging status etc.
That is, each power brick used on electronlmobil has corresponding data bank in heart remote equipment 40 in the data, and the data in power brick use procedure can be uploaded in data center remote equipment 40 by networking 50 with more new database by data center remote equipment 40.Wherein, can record the performance perameter matched with the battery coded message of power brick 10 in data bank, such as battery types, battery series-parallel connection structure, battery current nominal capacity, battery cycle charge-discharge number of times, battery add up charge/discharge capacity, battery aging status etc.
After electronlmobil changes power brick, the performance perameter stored in data bank can be come from data center remote equipment 40 download by networking 50 by integrating whole automobile controller 20, so just accurately can estimate the current performance parameters of power brick, and then accurately estimate related data, the such as data closely-related with car load such as travelled distance and charging controling parameters, thus better control vehicle.
Further, the adjustment instruction of data center remote equipment 40 also for being inputted outside sends to integrating whole automobile controller 20, upgrades corresponding battery parameter and battery control algorithm to make integrating whole automobile controller 20 according to the adjustment instruction that outside inputs.For example, when needs amendment battery failures critical parameter, correction can be input to data center remote equipment 40, this correction is transmitted to integrating whole automobile controller 20 by data center remote equipment 40, and then original battery failures critical parameter can be updated to this correction by integrating whole automobile controller 20.
In addition, according to the embodiment of Fig. 2, the information relevant to power brick 10 shows by telltale 60 by integrating whole automobile controller 20, such as the SOC value etc. of power brick 10.
In sum, according to the power brick monitoring system of the electronlmobil that the embodiment of the present invention proposes, integrating whole automobile controller is according to the battery coded message of power brick, and from the multiple battery parameter prestored and multiple battery control algorithm, select the battery parameter that matches with battery coded message and battery control algorithm, and according to the battery parameter matched with battery coded message selected and battery control algorithm, power brick is monitored.Thus, this system can not need to change on the basis of integrating whole automobile controller, make same automobile type configuration different capabilities, the power brick in dissimilar and different service life, and same vehicle can provide correct information after changing power brick, thus chaufeur can change power brick according to self-demand, promote the experience of user.
The embodiment of the present invention also proposed a kind of electronlmobil.
Fig. 3 is the block diagram of the electronlmobil of the embodiment of the present invention.As shown in Figure 3, the electronlmobil 100 of the embodiment of the present invention comprises the power brick monitoring system 200 of the electronlmobil of above-described embodiment.
Should be understood that, introduce in detail in the concrete structure of the power brick monitoring system 200 of electronlmobil, the embodiment of principle of work above, here for succinct object, be no longer described in detail.
According to the electronlmobil that the embodiment of the present invention proposes, by the power brick monitoring system of above-mentioned electronlmobil, can not need to change on the basis of integrating whole automobile controller, make same automobile type configuration different capabilities, the power brick in dissimilar and different service life, and same vehicle can provide correct information after changing power brick, thus chaufeur can change power brick according to self-demand, promote the experience of user.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", " conter clockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a power brick monitoring system for electronlmobil, is characterized in that, comprising:
Power brick, described power brick has battery data acquisition unit, and described battery data acquisition unit is for obtaining the battery coded message of described power brick;
Integrating whole automobile controller, described integrating whole automobile controller and described battery data acquisition unit carry out the battery coded message communicating to receive described power brick, and from the multiple battery parameter prestored and multiple battery control algorithm, select the battery parameter that matches with described battery coded message and battery control algorithm, and according to the battery parameter matched with described battery coded message selected and battery control algorithm, described power brick is monitored.
2. the power brick monitoring system of electronlmobil according to claim 1, is characterized in that, wherein, described battery coded message comprises battery types, capacity of cell and battery configuration information.
3. the power brick monitoring system of electronlmobil according to claim 1, it is characterized in that, wherein, in described multiple battery parameter, often kind of battery parameter comprises battery specific heat capacity, rated capacity, rated energy, charging controling parameters, control of discharge parameter, active volume estimation parameter and battery failures critical parameter.
4. the power brick monitoring system of electronlmobil according to claim 1, is characterized in that, wherein, in described multiple battery control algorithm, often kind of battery control algorithm comprises SOC algorithm and battery charging and discharging control algorithm.
5. the power brick monitoring system of electronlmobil according to claim 1, it is characterized in that, described integrating whole automobile controller comprises the first communication interface, described power brick comprises second communication interface, and described first communication interface is connected with described second communication interface described integrating whole automobile controller is communicated with described battery data acquisition unit.
6. the power brick monitoring system of electronlmobil according to claim 1, it is characterized in that, described integrating whole automobile controller also comprises third communication interface, described integrating whole automobile controller is communicated with data center remote equipment by described third communication interface, so that data during described power brick work are sent to described data center remote equipment.
7. the power brick monitoring system of electronlmobil according to claim 6, it is characterized in that, wherein, described performance perameter after upgrading also for the performance perameter of power brick according to Data Update during the described power brick work received, and is fed back to described integrating whole automobile controller by described data center remote equipment.
8. the power brick monitoring system of electronlmobil according to claim 6, is characterized in that, wherein, the performance perameter of described power brick comprises battery current nominal capacity, battery cycle charge-discharge number of times, battery add up charge/discharge capacity and battery aging status.
9. the power brick monitoring system of electronlmobil according to claim 6, it is characterized in that, wherein, the adjustment instruction of described data center remote equipment also for being inputted outside sends to described integrating whole automobile controller, upgrades corresponding battery parameter and battery control algorithm to make described integrating whole automobile controller according to the adjustment instruction of described outside input.
10. an electronlmobil, is characterized in that, comprises the power brick monitoring system of the electronlmobil according to any one of claim 1-9.
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| CN108528266A (en) * | 2017-03-01 | 2018-09-14 | 华为技术有限公司 | The method and apparatus of troubleshooting |
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| CN111624493A (en) * | 2019-02-28 | 2020-09-04 | 北京新能源汽车股份有限公司 | Method and device for determining state of health (SOH) of battery and detection equipment |
| CN112087010A (en) * | 2019-06-12 | 2020-12-15 | 苏州宝时得电动工具有限公司 | Battery pack |
| CN112419538A (en) * | 2019-08-22 | 2021-02-26 | 联合汽车电子有限公司 | Method and device for acquiring data distribution of DCDC converter |
| CN111660836A (en) * | 2020-06-29 | 2020-09-15 | 浙江吉利新能源商用车集团有限公司 | Range-extending energy management system for vehicle and design method thereof |
| CN111806291A (en) * | 2020-07-14 | 2020-10-23 | 武汉蔚来能源有限公司 | Vehicle and battery matching method, device and system and readable storage medium |
| CN112477783A (en) * | 2020-11-04 | 2021-03-12 | 东风汽车集团有限公司 | Hydrogenation control method, device and system for vehicle and storage medium |
| CN113852690A (en) * | 2021-09-24 | 2021-12-28 | 北京胜能能源科技有限公司 | Battery pack management method and device, storage medium, electronic equipment and battery replacement station |
| CN113895304A (en) * | 2021-11-10 | 2022-01-07 | 江西五十铃汽车有限公司 | Battery capacity detection device for electric automobile |
| CN114167292A (en) * | 2021-12-08 | 2022-03-11 | 蜂巢能源(上海)有限公司 | Battery parameter determination method and device for battery pack and electronic equipment |
| CN114167292B (en) * | 2021-12-08 | 2023-10-27 | 章鱼博士智能技术(上海)有限公司 | Battery parameter determining method and device of battery pack and electronic equipment |
| CN115902673A (en) * | 2022-12-28 | 2023-04-04 | 惠州市乐亿通科技有限公司 | Method for detecting total voltage of battery module and voltage of single battery |
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