EP4107028A1 - Procédé de surveillance de l'utilisation d'une batterie de traction - Google Patents
Procédé de surveillance de l'utilisation d'une batterie de tractionInfo
- Publication number
- EP4107028A1 EP4107028A1 EP21704853.7A EP21704853A EP4107028A1 EP 4107028 A1 EP4107028 A1 EP 4107028A1 EP 21704853 A EP21704853 A EP 21704853A EP 4107028 A1 EP4107028 A1 EP 4107028A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- traction battery
- traction
- predefined
- battery
- variation
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/70—Interactions with external data bases, e.g. traffic centres
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- This method further comprises a step of sending, to a predefined terminal, a request concerning the predefined variation detected;
- monitoring the use of the traction battery makes it possible to check whether the user is using it in accordance with the general conditions of use so that the guarantees can be maintained. By alerting the user, this monitoring also makes it possible to prevent use that could damage the traction battery.
- the monitoring device 2 is connected to the data server 3. This connection can be permanent or intermittent and direct or via a network, most commonly that of the Internet.
- the data relating to the traction battery 1 may further include its current state or any event relating to the traction battery 1 such as awakening of the traction battery 1 to recharge the 12V battery of the low-voltage network of the motor vehicle or end of this use; awakening of the traction battery 1 for the thermal preconditioning of the motor vehicle or end of this use; disconnection / connection of the traction battery 1 to the low-voltage network, to the electric traction chain, or to an external charging network; entry or exit of the traction battery 1 from a standby mode; use or start / end of use of the traction battery 1 to supply the electric traction system of the motor vehicle.
- the third mode of use corresponds to the times when the traction battery 1 is neither charging (second mode), nor in use to supply the chain of electric traction (first mode), or the thermal comfort system and / or the low-voltage network of the motor vehicle (second mode).
- the third mode of use corresponds to the times when the electric traction chain is de-energized; traction battery 1 is not charging; and the electrical contact is deactivated or activated but without using the traction battery 1 to supply the low-voltage network or the thermal comfort system.
- Said first and second modes of use of the traction battery 1 are two modes of operation in which the traction battery 1 tends to discharge or recharge. On the other hand, during the third mode of use (standby mode), the traction battery 1 tends to maintain its state of charge.
- the data server 3 is configured to identify (step 12), from the data communicated to it by the monitoring device 2, the third mode of use of the traction battery 1 .
- this third mode of use of the traction battery 1 is identified directly by analyzing the data received.
- the data server 3 identifies the modes of use of the traction battery 1 by analyzing the variation of at least one item of data relating to the traction battery 1.
- This data is, for example, its state of charge and / or its temperature and / or its voltage.
- the variation of a datum relating to traction battery 1 can be compared to values, profiles or predefined variation models specific to the different modes of use of the traction battery 1.
- Deterministic or stochastic models of variation of one or more data relating to the traction battery 1 and / or predefined classification methods of the data received can be used to identify / distinguish at least one of the modes of use of traction battery 1.
- These models and / or methods of classifying the data received can be refined using a learning step to take into account the aging of the traction battery 1 and / or the history of the stresses of the traction battery 1.
- At least one of the modes of use of the traction battery 1 is identified using data relating to the state of the traction battery 1 (of the "connection of the traction battery 1 to the low-voltage network ”,
- the data server 3 compares the speed of variation or the value of this variation (decrease or increase) of at least one piece of data relating to the traction battery 1 in standby mode with predefined values.
- a significant or rapid variation over time of one or more data relating to traction battery 1 (state of charge, voltage, current, temperature, state of health, energy state, power state, no-load voltage, impedance ) is considered by the power server 3 to be due to inappropriate or unauthorized use of the traction battery 1.
- the data server 3 thus observes the variation of the data relating to the traction battery 1 when it is in standby mode.
- the data used to detect unauthorized or inappropriate use are data relating to the traction battery 1 when it exits the previous mode of use (or when it enters standby mode), while it is in standby mode, or when it enters the next mode of use (or when it comes out of standby mode). For example, if it is observed when the motor vehicle is started that the state of charge has greatly diminished while the traction battery 1 has remained in standby mode only for a period of time which does not justify the variation observed, then an abnormal use of the traction battery 1 can be suspected.
- the data server 3 is configured to monitor the variation (or, equivalently, the stability) of the data relating to the traction battery 1 when it is in standby mode with respect to predefined variations.
- the variation in data relating to traction battery 1 can be defined by its rate of variation over time (i.e. the slope) or by the value of this variation.
- the stored data can, in fact, be communicated, notified, or made available to a terminal 4.
- the terminal 4 is accessible to a person concerned by the use of the traction battery 1.
- This terminal 4 is, for example, the mobile terminal (a telephone, a smartphone, or a tablet for example) of the user of the motor vehicle, a display screen included in this motor vehicle, a terminal of the motor vehicle dealership, of the automobile insurer, or the manufacturer of the traction battery 1.
- unauthorized use of the traction battery 1 is, upon detection by the data server 3, sent to the user in the form of an alert.
- the data server 3 belongs to the car dealership or, at least, is accessible to it.
- the car dealer can consult the unauthorized uses stored by the data server 3 to see if there has been any use that violates the general conditions of use of traction battery 1 .
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2001588A FR3107216B1 (fr) | 2020-02-18 | 2020-02-18 | Procédé de surveillance de l’utilisation d’une batterie de traction |
PCT/FR2021/050031 WO2021165589A1 (fr) | 2020-02-18 | 2021-01-11 | Procédé de surveillance de l'utilisation d'une batterie de traction |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4107028A1 true EP4107028A1 (fr) | 2022-12-28 |
Family
ID=70738689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP21704853.7A Withdrawn EP4107028A1 (fr) | 2020-02-18 | 2021-01-11 | Procédé de surveillance de l'utilisation d'une batterie de traction |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP4107028A1 (fr) |
FR (1) | FR3107216B1 (fr) |
WO (1) | WO2021165589A1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4211715B2 (ja) * | 2004-08-23 | 2009-01-21 | 株式会社デンソー | 車載電源システム |
JP5490473B2 (ja) * | 2009-09-15 | 2014-05-14 | ルネサスエレクトロニクス株式会社 | データ処理システム、電気自動車及びメンテナンスサービスシステム |
CN108337657A (zh) | 2018-03-27 | 2018-07-27 | 新日(无锡)发展有限公司 | 基于手机的电动汽车电池状态监控系统 |
CN108749607A (zh) | 2018-05-23 | 2018-11-06 | 清华大学深圳研究生院 | 一种基于云计算的电动汽车动力电池管理和监控系统 |
US10992145B2 (en) * | 2018-06-28 | 2021-04-27 | Ford Global Technologies, Llc | System and method for battery cell balancing |
-
2020
- 2020-02-18 FR FR2001588A patent/FR3107216B1/fr not_active Expired - Fee Related
-
2021
- 2021-01-11 EP EP21704853.7A patent/EP4107028A1/fr not_active Withdrawn
- 2021-01-11 WO PCT/FR2021/050031 patent/WO2021165589A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO2021165589A1 (fr) | 2021-08-26 |
FR3107216B1 (fr) | 2022-01-07 |
FR3107216A1 (fr) | 2021-08-20 |
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