CN113442785A - Method, device, vehicle and equipment for determining battery use mileage - Google Patents

Method, device, vehicle and equipment for determining battery use mileage Download PDF

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Publication number
CN113442785A
CN113442785A CN202010223515.3A CN202010223515A CN113442785A CN 113442785 A CN113442785 A CN 113442785A CN 202010223515 A CN202010223515 A CN 202010223515A CN 113442785 A CN113442785 A CN 113442785A
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China
Prior art keywords
mileage
battery
vehicle
determining
speed information
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Pending
Application number
CN202010223515.3A
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Chinese (zh)
Inventor
邓立军
代康伟
梁海强
易迪华
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Publication date
Application filed by Beijing Electric Vehicle Co Ltd filed Critical Beijing Electric Vehicle Co Ltd
Priority to CN202010223515.3A priority Critical patent/CN113442785A/en
Publication of CN113442785A publication Critical patent/CN113442785A/en
Pending legal-status Critical Current

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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
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/80—Exchanging energy storage elements, e.g. removable 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/10—Vehicle control parameters
    • B60L2240/12—Speed
    • 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
    • B60L2240/42—Drive Train control parameters related to electric machines
    • B60L2240/421—Speed
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

Abstract

The invention provides a method, a device, a vehicle and equipment for determining battery use mileage, wherein the method comprises the following steps: in the current period, determining the current period driving mileage value when the battery is used according to one of mileage information displayed by a vehicle mileage meter, speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control Unit); in the current period, the driving mileage value of the battery in the current period is determined according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an anti-lock braking system (ABS) and motor rotating speed information provided by a Motor Controller (MCU), so that the driving mileage value of the battery in each period can be obtained. Furthermore, the total driving mileage value of the battery on the vehicle and the total service mileage of the battery can be accurately calculated by accumulating the driving mileage value of each period, thereby being beneficial to the maintenance of the battery and accurately charging for the replacement of the battery.

Description

Method, device, vehicle and equipment for determining battery use mileage
Technical Field
The invention relates to the field of automobiles, in particular to a method, a device, a vehicle and equipment for determining the use mileage of a battery.
Background
Because the electric automobile relies on the mode of filling electric pile and carrying out the charging, often need spend several hours, relevant personnel have proposed the mode of adopting the change battery to replace filling electric pile mode of charging to save time. If this is done, first of all, it is considered that: how to accurately acquire the driving mileage of the battery on each vehicle so as to maintain the battery.
Disclosure of Invention
The invention aims to provide a method, a device, a vehicle and equipment for determining the use mileage of a battery, which are used for accurately acquiring the driving mileage of the battery on the current vehicle when the battery of the vehicle is replaced.
In order to achieve the above object, the present invention provides a method for determining Battery mileage, which is applied to a Battery Management System (BMS), and includes:
in the current period, a current period driving mileage value when the battery is used is determined according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an Antilock Brake System (ABS), and Motor rotation speed information provided by a Motor Control Unit (MCU).
Optionally, determining the driving mileage value when the battery is used according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an anti-lock braking system ABS and motor rotation speed information provided by a motor controller MCU, includes:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter;
when the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS;
and when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
Optionally, the method further comprises:
and updating the total driving range value used by the battery according to the driving range value of the current period.
Optionally, the method further comprises:
and updating the total driving range of the battery on the vehicle according to the current period driving range value.
Another preferred embodiment of the present invention provides an apparatus for determining battery use mileage, applied to a battery management system BMS, the apparatus including:
the acquisition module is used for acquiring one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control unit) in the current period;
and the processing module is used for determining the current cycle driving mileage value when the battery is used according to one of the mileage information displayed by the vehicle mileage meter, the speed information sent by the ABS and the motor rotating speed information provided by the motor controller MCU.
Optionally, when the processing module is configured to determine the driving mileage value when the battery is used according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an anti-lock braking system ABS, and motor rotation speed information provided by a motor controller MCU, the processing module is specifically configured to:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter;
when the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS;
and when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
Optionally, the processing module is further configured to:
and updating the total driving range value used by the battery according to the driving range value of the current period.
Optionally, the processing module is further configured to:
and updating the total driving range of the battery on the vehicle according to the current period driving range value.
A further preferred embodiment of the present invention provides a vehicle including the apparatus for determining a battery use mileage as described above.
Still another preferred embodiment of the present invention provides an apparatus for determining a battery use mileage, including: a memory, a processor and a program stored on the memory and executable on the processor, which when executed by the processor, implement the method of determining battery mileage as described above.
The technical scheme of the invention has the following beneficial effects:
according to the method for determining the battery mileage, disclosed by the embodiment of the invention, the mileage value of the battery in the current period is determined according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock brake system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control unit), so that the mileage value of the battery in each period can be obtained. Furthermore, the total mileage of the battery on a vehicle can be calculated by accumulating the mileage value of each cycle, and the total mileage of the battery can also be accurately calculated, thereby accurately charging the replacement of the battery and facilitating the maintenance of the battery. Further, when any one or two devices of the mileage meter, the ABS and the MCU are in fault, the BMS can also determine the current periodic mileage value when the battery is used according to the normally running components, so that the problem that the current periodic mileage is lost due to the fault of the devices is avoided, and the total mileage of the battery on the vehicle and the accuracy of the total mileage used by the battery are ensured.
Drawings
FIG. 1 is a schematic flow chart of a method for determining battery mileage according to the present invention;
FIG. 2 is a schematic diagram of a connection of a device for determining battery mileage according to the present invention;
fig. 3 is a schematic block diagram of an apparatus for determining battery mileage according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Referring to fig. 1, a preferred embodiment of the present invention provides a method for determining Battery mileage, which is applied to a Battery Management System (BMS) and includes the following steps:
s101: in the current period, one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control unit) is acquired.
Specifically, as shown in fig. 2, the vehicle odometer, the ABS, and the MCU are respectively connected to the BMS through a Controller Area Network (CAN). The vehicle mileage meter may transmit the mileage information to the BMS through the CAN, and the BMS may determine a current period mileage value when the battery is used according to the mileage information. The BMS may also transmit the current period mileage value to the vehicle mileage meter through the CAN, and the vehicle mileage meter may display the current period mileage value transmitted by the BMS.
And S102, in the current period, determining the driving mileage value of the battery in the current period according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control Unit).
The driving mileage value of the battery in the current period during use is determined according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an anti-lock braking system (ABS) and motor rotating speed information provided by a Motor Controller (MCU), so that the driving mileage value of the battery in each period can be obtained. Furthermore, the BMS may calculate a total mileage of the battery in a vehicle by accumulating the mileage value for each period, and may also precisely calculate the total mileage of the battery, thereby accurately charging for a replacement of the battery and facilitating maintenance of the battery. Further, when any one or two devices of the mileage meter, the ABS and the MCU are in fault, the BMS can also determine the current periodic mileage value when the battery is used according to the normally running components, so that the problem that the current periodic mileage is lost due to the fault of the devices is avoided, and the total mileage of the battery on the vehicle and the accuracy of the total mileage used by the battery are ensured.
Optionally, when the battery on the vehicle is replaced to charge the charging pile, the staff can charge according to the total use mileage of the battery on the vehicle. As mentioned above, when the current cycle mileage value when the battery is used is ensured, the total mileage of the battery used on the vehicle is also ensured, and the accuracy of charging is further ensured.
Further, the BMS may be configured with a priority relationship according to the three devices, i.e., the vehicle mileage meter, the ABS, and the MCU, when determining the mileage of the battery, for example, the priority of the vehicle mileage meter may be the highest, the priority of the ABS may be the next highest, and the priority of the MCU may be the lowest. In this case, determining the driving mileage value when the battery is used according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information transmitted by an anti-lock braking system ABS and motor rotation speed information provided by a motor controller MCU includes:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter; when the communication signal of the vehicle mileage meter is normal, whether the ABS and the MCU are normal or not can be disregarded.
When the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS; whether the MCU is normal or not may be considered at this time.
And when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
Optionally, the BMS may determine the mileage of the battery according to the three devices, i.e., the vehicle mileage meter, the ABS, and the MCU, wherein the priority of the ABS is the highest, and the priority of the vehicle mileage meter is the next highest, and the priority of the MCU is the lowest.
Further, the BMS detects the vehicle odometer, the ABS, and the MCU in each cycle. For example, in a certain cycle, the vehicle odometer may be faulty, and the BMS may determine the current cycle mileage value at the time of battery usage from one of the other two devices. In the next period, the vehicle mileage meter may be recovered to normal, and the BMS may determine the current period mileage value when the battery is used, based on the mileage information displayed by the vehicle mileage meter. That is, during the power-up to power-down of the vehicle, the BMS may determine a mileage value at the time of battery usage by one or more of the three devices.
Optionally, when the BMS determines the current period mileage value according to the vehicle speed information sent by the ABS, the BMS may:
Figure BDA0002426896190000061
and (6) performing calculation. Wherein S represents the current cycle mileage value, V represents the vehicle speed, and t represents the time.
Optionally, when the BMS determines the current period mileage value according to the motor speed information provided by the MCU, the BMS may: and V is 0.377r n/ig, the rotating speed is converted into the speed, and the current period driving mileage value when the battery is used is calculated according to the speed. Where V represents speed, r represents wheel rolling radius, n represents drive motor speed, and ig represents gear ratio.
Further, the BMS may update the total mileage value used by the battery according to the current period mileage value.
The BMS may update the total driving range value used by the battery in such a manner that the BMS accumulates a plurality of current period driving range values into the total driving range used by the battery, and the BMS updates the total driving range value used by the battery by accumulating the plurality of current period driving range values.
By updating the total driving mileage value used by the battery, a manufacturer can maintain and guarantee the battery in time according to the updated total driving mileage value used by the battery, thereby avoiding safety accidents. Alternatively, the BMS may update the total driving range value used by the battery every time the vehicle is powered down, or update the total driving range value used by the battery every preset time period, for example, 5 minutes, so that it is prevented that the used driving range in a certain period is not updated into the total driving range value used by the battery due to abnormal lower electricity of the vehicle.
Further, the BMS may update the total driving range of the battery on the vehicle according to the current period driving range value.
The BMS may update the total driving range of the battery on the vehicle in such a manner that the BMS adds a plurality of current-cycle driving range values to the total driving range of the battery on the vehicle, and the BMS updates the total driving range of the battery on the vehicle by adding the plurality of current-cycle driving range values.
When a vehicle battery is replaced to replace a charging pile to charge a vehicle, the total driving distance of the battery on the vehicle is updated, so that a worker of the power conversion station can charge according to the total driving distance of the battery on the vehicle, and the charging accuracy is guaranteed. Moreover, the charging time can be effectively saved by replacing the battery, and the use experience of a driver is improved. In addition, trade the power station and concentrate on carrying out intelligent charging to the battery, not only can reduce the impact to the electric wire netting, can also carry out the equilibrium to the interior unit of battery when charging at every turn, let charge at every turn and all become a battery physical examination, avoid frequently filling the damage to the battery soon, improve the security of battery. Alternatively, the BMS may update the total driving range of the battery on the vehicle over a preset time interval, which may be, for example, 5 minutes, or other time periods. When the preset time interval is short, the accuracy of the driving mileage of the battery in each current period can be ensured, the situation that the used mileage of the vehicle in a certain period is not updated to the driving mileage of the battery in use due to abnormal lower electricity is avoided, the total driving mileage of the battery on the vehicle is further ensured, and the charging accuracy and the maintenance and quality guarantee of the battery are more powerful.
Based on the same technical concept as the above-described method for determining a battery use mileage, as shown in fig. 3, another preferred embodiment of the present invention also provides an apparatus for determining a battery use mileage, which is applied to a battery management system BMS, the apparatus including:
the acquisition module 301 is configured to acquire one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system), and motor rotation speed information provided by a motor controller MCU in a current cycle;
and the processing module 302 is configured to determine, in the current period, a current period driving mileage value when the battery is in use according to one of mileage information displayed by the vehicle mileage meter, vehicle speed information sent by the ABS and motor speed information provided by the MCU.
Further, the processing module 302 is specifically configured to, when determining the driving range value when the battery is in use according to one of range information displayed by the vehicle range meter, vehicle speed information sent by the anti-lock braking system ABS, and motor rotation speed information provided by the motor controller MCU:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter;
when the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS;
and when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
Further, the processing module 302 is further configured to:
and updating the total driving range value used by the battery according to the driving range value of the current period.
Further, the processing module 302 is further configured to:
and updating the total driving range of the battery on the vehicle according to the current period driving range value.
Another preferred embodiment of the present invention provides a vehicle including the apparatus for determining a battery use mileage as described above.
Still another preferred embodiment of the present invention provides an apparatus for determining a battery use mileage, including: a memory, a processor and a program stored on the memory and executable on the processor, which when executed by the processor, implement the method of determining battery mileage as described above.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A method for determining battery use mileage, applied to a Battery Management System (BMS), the method comprising:
in the current period, the driving mileage value of the current period when the battery is used is determined according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control Unit).
2. The method for determining the battery mileage as claimed in claim 1, wherein the step of determining the mileage value of the battery in use based on one of mileage information displayed by a vehicle mileage meter, vehicle speed information transmitted from an ABS and motor speed information provided by a MCU comprises:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter;
when the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS;
and when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
3. The method of determining battery mileage as set forth in claim 1 or 2, further comprising:
and updating the total driving range value used by the battery according to the driving range value of the current period.
4. The method of determining battery mileage as set forth in claim 1 or 2, further comprising:
and updating the total driving range of the battery on the vehicle according to the current period driving range value.
5. An apparatus for determining battery mileage, applied to a Battery Management System (BMS), the apparatus comprising:
the acquisition module is used for acquiring one of mileage information displayed by a vehicle mileage meter, vehicle speed information sent by an ABS (anti-lock braking system) and motor rotating speed information provided by a motor controller MCU (microprogrammed control unit) in the current period;
and the processing module is used for determining the current cycle driving mileage value when the battery is used according to one of the mileage information displayed by the vehicle mileage meter, the speed information sent by the ABS and the motor rotating speed information provided by the motor controller MCU.
6. The apparatus for determining battery mileage as claimed in claim 5, wherein the processing module, when being configured to determine the mileage value during battery usage according to one of mileage information displayed by a vehicle mileage meter, vehicle speed information transmitted by an anti-lock braking system (ABS), and motor speed information provided by a Motor Controller (MCU), is specifically configured to:
when the communication signal of the vehicle mileage meter is normal, determining the current cycle mileage value according to the mileage information displayed by the vehicle mileage meter;
when the communication signal is abnormal and the ABS does not break down, determining the current period mileage value according to the speed information sent by the ABS;
and when the ABS has a fault, determining the driving mileage value in the current period according to the motor rotating speed information provided by the MCU.
7. The apparatus for determining battery mileage as claimed in claim 5 or 6, wherein the processing module is further configured to:
and updating the total driving range value used by the battery according to the driving range value of the current period.
8. The apparatus for determining battery mileage as claimed in claim 5 or 6, wherein the processing module is further configured to:
and updating the total driving range of the battery on the vehicle according to the current period driving range value.
9. A vehicle characterized in that it comprises a device for determining the battery mileage as claimed in any one of claims 5 to 8.
10. An apparatus for determining battery mileage, comprising: memory, processor and program stored on the memory and executable on the processor, which when executed by the processor implements a method of determining battery mileage as claimed in any one of claims 1 to 4.
CN202010223515.3A 2020-03-26 2020-03-26 Method, device, vehicle and equipment for determining battery use mileage Pending CN113442785A (en)

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