CN114487864A - Vehicle storage battery tracking detection method and system and vehicle - Google Patents

Vehicle storage battery tracking detection method and system and vehicle Download PDF

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Publication number
CN114487864A
CN114487864A CN202210061039.9A CN202210061039A CN114487864A CN 114487864 A CN114487864 A CN 114487864A CN 202210061039 A CN202210061039 A CN 202210061039A CN 114487864 A CN114487864 A CN 114487864A
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China
Prior art keywords
voltage
storage battery
module
vehicle
automobile
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Pending
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CN202210061039.9A
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Chinese (zh)
Inventor
焦宗强
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Chongqing Changan Automobile Co Ltd
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Chongqing Changan Automobile Co Ltd
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Priority to CN202210061039.9A priority Critical patent/CN114487864A/en
Publication of CN114487864A publication Critical patent/CN114487864A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3835Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392Determining battery ageing or deterioration, e.g. state of health
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a vehicle storage battery tracking detection method, a vehicle storage battery tracking detection system and a vehicle. The detection method comprises the steps of S1, obtaining the working voltage of a storage battery in the starting process and the advancing process of the automobile; s2, comparing the working voltage with a set threshold value; when the working voltage is lower than the threshold value, outputting abnormal early warning information; and comparing the working voltage with historical voltage data, and outputting life warning information when the voltage drops too fast. The detection system comprises an AD analog signal acquisition module for acquiring the working voltage of the storage battery; the information processing module is used for processing the collected working voltage; the CAN communication module is used for carrying out data communication with the information processing module and the automobile output equipment; and the power supply module provides a working power supply for the AD analog signal acquisition module, the information processing module and the CAN communication module. The invention can find the abnormal state of the storage battery generated in the normal running process in time, and ensure the running stability and safety of the automobile.

Description

Vehicle storage battery tracking detection method and system and vehicle
Technical Field
The invention relates to the technical field of automobile fault detection, in particular to a vehicle storage battery tracking detection method, a vehicle storage battery tracking detection system and a vehicle.
Background
The storage battery is a core part in an automobile electrical system. The method plays an important role in the starting and normal running processes of the vehicle. Along with the rapid development of automobile electronic technology, the electronic application of vehicle-mounted equipment is more and more common, and the demand of each electronic component on a power supply is continuously increased, so that the power load is continuously increased, and the load of a vehicle-mounted storage battery is increased. Therefore, monitoring of the service state and the service life of the vehicle-mounted storage battery becomes more and more important, and the normal operation of the vehicle-mounted storage battery has an important significance for the safety and the reliability of the automobile.
The existing research mainly focuses on the use state of a storage battery when an automobile starts and stops and provides early warning information when the storage battery is in an abnormal state, but the detection of the state of the storage battery in the normal driving process is not involved, so that the abnormal state of the storage battery generated in the normal driving process is difficult to find.
Disclosure of Invention
In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide a method and a system for tracking and detecting a vehicle battery, and a vehicle, so as to solve the problem of abnormal detection omission of the battery caused by undetected battery state when no fault state occurs in the vehicle in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a vehicle battery tracking detection method, comprising the steps of:
s1, acquiring the working voltage of the storage battery in the starting process and the advancing process of the automobile;
s2, comparing the working voltage with a set threshold value; outputting abnormal early warning information when the working voltage is lower than a threshold value; comparing the working voltage with historical voltage data, and outputting service life early warning information;
and the historical voltage data is the voltage value of the storage battery in the last storage battery service cycle.
The voltage values of the storage battery in the automobile starting process and the automobile advancing process are acquired, the acquired working voltage is compared with a set threshold value, and when the acquired voltage value is lower than the threshold value, abnormity early warning information is output, so that the voltage of the storage battery is monitored and early warned in real time in the automobile starting process and the automobile advancing process, the voltage state of the storage battery can be detected in the automobile starting process and can be continuously monitored in the automobile normal running process; the method is beneficial to tracking the long-time running state of the vehicle-mounted storage battery, and early warning information is made in advance in the process of weakening the performance of the storage battery, so that the problem that the abnormal state of the storage battery is not easy to find in the normal running process is avoided, and the running stability and safety of the automobile are ensured. Simultaneously, because the car is marchd the in-process, the engine can be continuously charged to the battery, if the battery continues the output energy, when finally leading to the battery insufficient voltage, when exporting unusual warning information, also be favorable to the driver to overhaul the engine the very first time to deal with the abnormal conditions, avoid the vehicle to break down.
In step S2 of the vehicle battery tracking detection method, the operating voltage is compared with the historical voltage data.
The invention also provides a vehicle battery tracking detection system for the method, which comprises the following steps:
the AD analog signal acquisition module is used for acquiring the working voltage of the storage battery in the starting process and the advancing process of the automobile;
the information processing module is used for processing the working voltage acquired by the AD analog signal acquisition module;
the CAN communication module is used for carrying out data communication with the information processing module and the automobile output equipment;
the power supply module provides a working power supply for the AD analog signal acquisition module, the information processing module and the CAN communication module;
the input end of the AD analog signal acquisition module is connected with a storage battery of the vehicle, and the output end of the AD analog signal acquisition module is in communication connection with the input end of the information processing module and the information processing module; the output end of the information processing module is connected with the input end of the CAN communication module, and the output end of the CAN communication module is used for being connected with automobile output equipment.
Through setting up AD analog signal acquisition module, information processing module, CAN communication module and power module, power module CAN guarantee that each module normally works for other each module provides working power, AD analog signal acquisition module CAN acquire the operating voltage of battery, information processing module CAN handle the operating voltage that signal acquisition module CAN acquire the battery and export early warning information through CAN communication module, thus, CAN acquire and monitor the operating voltage of car start-up process and the in-process battery of marcing in real time, make early warning information in advance at the weak in-process of battery performance, guarantee that the car goes stably and the security.
Preferably, in the vehicle battery tracking and detecting system, the AD analog signal acquisition module further includes a data storage module, and the data storage module is configured to store the working voltage acquired by the AD analog signal acquisition module.
Further, in the vehicle storage battery tracking detection system, the information processing module comprises a single chip microcomputer and a peripheral circuit thereof; and a receiving pin of the serial port of the single chip microcomputer is connected with a sending pin of the AD analog signal acquisition module.
The CAN communication module comprises a CAN transceiver and a peripheral circuit thereof; and a receiving pin of the CAN transceiver is connected with a transmitting pin of a CAN interface of the information processing module, and the transmitting pin of the CAN transceiver is used for being connected with automobile output equipment of an automobile.
The invention also provides a vehicle, and the vehicle is provided with the vehicle storage battery tracking detection system.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the vehicle storage battery tracking detection method, the voltage values of the storage battery in the automobile starting process and the automobile advancing process are obtained, the obtained working voltage is compared with the set threshold value, and when the obtained voltage value is lower than the threshold value, abnormity early warning information is output. And comparing the working voltage with historical voltage data, and outputting life early warning information when the voltage drops too fast. Therefore, the voltage of the storage battery is monitored and early warned in real time in the starting process and the advancing process of the automobile, the voltage state of the storage battery can be detected when the automobile is started, and the voltage state can be continuously monitored in the normal running process of the automobile; the method is favorable for tracking the long-time running state of the vehicle-mounted storage battery. Early warning information is made in advance in the process of weakening the performance of the storage battery, the problem that the abnormal state of the storage battery is not easy to find in the normal driving process is avoided, early warning can be carried out on the service life of the storage battery, and therefore the driving stability and safety of an automobile are guaranteed.
2. Because the car is marchd the in-process, the engine can be continuously charged to the battery, if the battery lasts output energy, when finally leading to the battery insufficient voltage, when exporting unusual warning information, also be favorable to the driver to overhaul the engine the very first time to deal with the abnormal situation, avoid the vehicle to break down.
Drawings
FIG. 1 is a flow chart of a vehicle battery tracking detection method of the present invention.
FIG. 2 is a block diagram of a vehicle battery tracking detection system in accordance with the present invention.
In the figure: the device comprises an AD analog signal acquisition module 1, an information processing module 2, a CAN communication module 3, a power module 4 and a storage battery 5.
Detailed Description
The invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 1, the vehicle battery tracking detection method of the present invention includes the steps of:
s1, acquiring the working voltage of the storage battery 5 in the starting process and the advancing process of the automobile;
s2, comparing the working voltage with a set threshold value; outputting abnormal early warning information when the working voltage is lower than a threshold value; comparing the working voltage with historical voltage data, and outputting life warning information when the voltage drops too fast;
wherein, the historical voltage data is the voltage value of the storage battery 5 in the last storage battery service cycle.
According to the vehicle storage battery tracking detection method, the voltage values of the storage battery 5 in the automobile starting process and the automobile advancing process are obtained, the obtained working voltage is compared with the set threshold value, and when the obtained voltage value is lower than the threshold value, abnormal early warning information is output. And comparing the working voltage with historical voltage data, and outputting life early warning information when the voltage drops too fast. Therefore, the voltage of the storage battery 5 is monitored and early warned in real time in the starting process and the advancing process of the automobile, the voltage state of the storage battery 5 can be detected when the automobile is started, and the voltage state can be continuously monitored in the normal running process of the automobile; the method is beneficial to tracking the long-time running state of the vehicle-mounted storage battery 5. Early warning information is made in advance in the process of weakening the performance of the storage battery 5, the problem that the abnormal state of the storage battery 5 is not easy to find in the normal driving process is avoided, early warning can be carried out on the service life of the storage battery 5, and therefore the driving stability and safety of the automobile are guaranteed. Simultaneously, because the car is marchd the in-process, the engine can be continuously charged to battery 5, if battery 5 continues output energy, when finally leading to battery 5 insufficient voltage, when exporting unusual warning information, also be favorable to the driver to overhaul the engine the very first time to deal with the abnormal conditions, avoid the vehicle to break down.
In practical applications, the tracking detection method for the vehicle storage battery may be implemented by programming a computer program, running the program by a vehicle system, and executing the program of the tracking detection method for the vehicle storage battery 5, which requires that a threshold value of the storage battery voltage and a voltage value of the storage battery 5 in a last storage battery use period are preset as historical voltage data.
Referring to fig. 2, the present invention also provides a vehicle battery tracking detection system for use in the above method, comprising:
the AD analog signal acquisition module 1 is used for acquiring the working voltage of the storage battery 5 in the starting process and the advancing process of the automobile;
the information processing module 2 is used for processing the working voltage acquired by the AD analog signal acquisition module 1;
the CAN communication module 3 is used for carrying out data communication with the information processing module 2 and automobile output equipment;
the power module 4 is used for providing a working power supply for the AD analog signal acquisition module 1, the information processing module 2 and the CAN communication module 3;
in specific implementation, the input end of the AD analog signal acquisition module 1 is connected with a storage battery 5 of a vehicle. AD analog signal acquisition module 1 still includes data storage module, conveniently saves the operating voltage who gathers in order to supply information processing module 2 to handle. And the data storage module is used for storing the working voltage acquired by the AD analog signal acquisition module 1. The information processing module 2 comprises a single chip microcomputer and a peripheral circuit thereof. And a receiving pin of the serial port of the single chip microcomputer is connected with a sending pin of the AD analog signal acquisition module 1 through an SPI interface. The CAN communication module 3 comprises a CAN transceiver and peripheral circuits thereof; and a receiving pin of the CAN transceiver is connected with a transmitting pin of a CAN interface of the information processing module 2, and the transmitting pin of the CAN transceiver is used for being connected with automobile output equipment of an automobile.
Through setting up AD analog signal collection module 1, information processing module 2, CAN communication module 3 and power module 4, power module 4 CAN guarantee that each module normally works for other each module provides working power, AD analog signal collection module 1 CAN acquire the operating voltage of battery 5, information processing module 2 CAN handle the operating voltage that signal collection module CAN acquire battery 5 and export early warning information through CAN communication module 3, thus, CAN acquire and monitor automobile starting process and the operating voltage of in-process battery 5 of marcing in real time, make early warning information in advance in the weak in-process of battery 5 performance, guarantee that the automobile traveles stably and security.
Example 1
When the vehicle is started, the battery 5 is in a high load state. The automobile is started before and after the automobile is started, the storage battery 5 is subjected to a complete cycle from light load to load, and then the cycle is subjected to light load, and due to the characteristics of the vehicle-mounted storage battery 5, the voltage of the vehicle-mounted storage battery fluctuates in a normal voltage threshold interval along with the sharp increase of the load in the starting cycle. At this time, the AD analog signal acquisition module 1 connected to the storage battery 5 acquires the working voltage of the storage battery 5 in real time, and transmits the acquired working voltage to the information processing module 2. During an abnormal condition of the battery 5 (e.g., a power loss), the voltage of the battery 5 may drop beyond a normal threshold during a vehicle start-up period. The information processing module 2 compares the received working voltage with a set threshold, compares the working voltage with the lowest voltage in the historical voltage data when the working voltage is lower than the threshold, and outputs life warning information when the working voltage is over 20 percent and the voltage is over-fast. Typically one historical voltage data may be voltage data for the past year or half. And the abnormal early warning information and the service life information are output to the instrument for displaying through an interface of the vehicle-mounted CAN communication module 3.
Example 2
The vehicle generator charges the vehicle battery 5 while the automobile is in motion. The voltage of the battery 5 should then continue to increase until full. In the advancing process of the automobile, the AD analog signal acquisition module 1 detects the voltage of the storage battery 5 in real time and compares the detected working voltage with a set threshold value. And outputting abnormal early warning information when the working voltage is lower than the threshold value. And comparing the working voltage with the lowest voltage in the historical voltage data, and outputting service life early warning information when the working voltage drop rate is greater than 20%. Like this, can carry out real-time monitoring and carry out the early warning to the life-span to the battery 5 of car, be favorable to battery 5's normal use. Because the car is marchd the in-process, the engine can be continuously charged to battery 5, if battery 5 continues output energy, when finally leading to battery 5 insufficient voltage, when output unusual warning information, also be favorable to the driver to overhaul the engine the very first time to deal with the abnormal situation, avoid the vehicle to break down.
The voltage value of the storage battery in the starting process and the advancing process of the automobile is obtained, the obtained working voltage is compared with the set threshold value, and when the obtained voltage value is lower than the threshold value, the abnormity early warning information is output, so that the voltage of the storage battery is monitored and early warned in real time in the starting process and the advancing process of the automobile, the voltage state of the storage battery can be detected when the automobile is started, and the voltage state can be continuously monitored in the normal running process of the automobile; the method is beneficial to tracking the long-time running state of the vehicle-mounted storage battery, and early warning information is made in advance in the process of weakening the performance of the storage battery, so that the problem that the abnormal state of the storage battery is not easy to find in the normal running process is avoided, and the running stability and safety of the automobile are ensured. Simultaneously, because the car is marchd the in-process, the engine can be continuously charged to the battery, if the battery continues the output energy, when finally leading to the battery insufficient voltage, when exporting unusual warning information, also be favorable to the driver to overhaul the engine the very first time to deal with the abnormal conditions, avoid the vehicle to break down.
As mentioned above, the reminder system of the present invention is not limited to the configuration, and other systems capable of implementing the embodiments of the present invention may fall within the protection scope of the present invention.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all that should be covered by the claims of the present invention.

Claims (7)

1. A vehicle battery tracking detection method, characterized by comprising the steps of:
s1, acquiring the working voltage of the storage battery in the starting process and the advancing process of the automobile;
s2, comparing the working voltage with a set threshold value; outputting abnormal early warning information when the working voltage is lower than a threshold value; comparing the working voltage with historical voltage data, and outputting life warning information when the voltage drops too fast;
and the historical voltage data is the voltage value of the storage battery in the last storage battery service cycle.
2. The vehicle battery tracking detection method according to claim 1, wherein in step S2, the operating voltage is compared with the lowest voltage in the history voltage data, and when the operating voltage drop rate is greater than 20%, the voltage drop is too fast.
3. A vehicle battery tracking detection system for use in the method of claim 1, comprising:
the AD analog signal acquisition module is used for acquiring the working voltage of the storage battery in the starting process and the advancing process of the automobile;
the information processing module is used for processing the working voltage acquired by the AD analog signal acquisition module;
the CAN communication module is used for carrying out data communication with the information processing module and the automobile output equipment;
the power supply module provides a working power supply for the AD analog signal acquisition module, the information processing module and the CAN communication module;
the input end of the AD analog signal acquisition module is connected with a storage battery of the vehicle, and the output end of the AD analog signal acquisition module is in communication connection with the input end of the information processing module and the information processing module; the output end of the information processing module is connected with the input end of the CAN communication module, and the output end of the CAN communication module is used for being connected with automobile output equipment.
4. The vehicle battery tracking detection system according to claim 3, wherein the AD analog signal acquisition module further comprises a data storage module for storing the operating voltage acquired by the AD analog signal acquisition module.
5. The vehicle battery tracking detection system according to claim 3, wherein the information processing module includes a single chip microcomputer and peripheral circuits thereof; and a receiving pin of the serial port of the single chip microcomputer is connected with a sending pin of the AD analog signal acquisition module.
6. The vehicle battery tracking detection system of claim 3, wherein the CAN communication module comprises a CAN transceiver and its peripheral circuitry; and a receiving pin of the CAN transceiver is connected with a transmitting pin of a CAN interface of the information processing module, and the transmitting pin of the CAN transceiver is used for being connected with automobile output equipment.
7. A vehicle equipped with the vehicle battery tracking detection system as recited in claim 3.
CN202210061039.9A 2022-01-19 2022-01-19 Vehicle storage battery tracking detection method and system and vehicle Pending CN114487864A (en)

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CN202210061039.9A CN114487864A (en) 2022-01-19 2022-01-19 Vehicle storage battery tracking detection method and system and vehicle

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CN202210061039.9A CN114487864A (en) 2022-01-19 2022-01-19 Vehicle storage battery tracking detection method and system and vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115061412A (en) * 2022-07-19 2022-09-16 嘉兴市尚瑞电子科技有限公司 Vehicle anti-feed controller for vehicle power management

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115061412A (en) * 2022-07-19 2022-09-16 嘉兴市尚瑞电子科技有限公司 Vehicle anti-feed controller for vehicle power management

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