CN111596214A - Engine battery energy diagnostic method and system - Google Patents
Engine battery energy diagnostic method and system Download PDFInfo
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- CN111596214A CN111596214A CN202010493345.0A CN202010493345A CN111596214A CN 111596214 A CN111596214 A CN 111596214A CN 202010493345 A CN202010493345 A CN 202010493345A CN 111596214 A CN111596214 A CN 111596214A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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Abstract
The invention relates to the technical field of vehicle measurement and control, and discloses a method and a system for diagnosing the energy of an engine battery, wherein the method comprises the following steps: the method comprises the steps of obtaining basic state parameters of an engine, judging whether the engine meets basic enabling conditions or not according to the basic state parameters, obtaining battery energy mark attributes of the engine when the engine meets the basic enabling conditions, judging whether the battery energy mark attributes meet preset fault conditions or not, generating a fault diagnosis report when the battery energy mark attributes meet the preset fault conditions, judging whether the preset fault conditions are met or not by integrating the basic state parameters and the battery energy mark attributes of the engine so as to reduce false alarm of battery faults, improve the precision of battery fault detection, and further reduce the fuel consumption of an automobile and improve the utilization rate of battery energy through real-time fault diagnosis.
Description
Technical Field
The invention relates to the technical field of vehicle measurement and control, in particular to a method and a system for diagnosing the energy of an engine battery.
Background
In recent years, energy-saving, environment-friendly and efficient passenger vehicles become a pursuit trend of development of the automobile industry, various fuel consumption index documents of the passenger vehicles also provide new requirements for average oil consumption of the passenger vehicles, therefore, automobile manufacturers are researching and developing the whole automobile oil saving technology, corresponding loads are increased along with increase of the configuration quantity of electric equipment of the whole automobile, new requirements are provided for the energy utilization rate of an engine storage battery, and when the engine storage battery has the conditions that the battery capacity is low, the voltage is low and the like, which are not enough to support the running of the whole automobile, the negative influence can be exerted on the oil saving effect, and even a whole automobile system can be damaged. Therefore, how to implement real-time fault diagnosis of the battery energy of the engine to reduce the fuel consumption of the automobile and improve the utilization rate of the battery energy becomes a problem to be solved urgently.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide a method and a system for diagnosing the energy of an engine battery, and aims to solve the technical problems of how to realize real-time fault diagnosis of the energy of the engine battery so as to reduce the fuel consumption of an automobile and improve the utilization rate of the energy of the battery.
To achieve the above object, the present invention provides a method for diagnosing the energy of a battery of an engine, the method comprising the steps of:
acquiring basic state parameters of an engine, and judging whether the engine meets basic enabling conditions or not according to the basic state parameters;
when the engine meets the basic enabling condition, acquiring a battery energy mark attribute of the engine, and judging whether the battery energy mark attribute meets a preset fault condition;
and generating a fault diagnosis report when the battery energy mark attribute accords with a preset fault condition.
Preferably, the basic state parameters include a current rotation speed, a current power, a current torque, and a fuel consumption rate;
correspondingly, the step of obtaining the battery energy flag attribute of the engine when the engine meets the basic enabling condition specifically includes:
and when the current rotating speed is greater than a preset rotating speed, the current power is greater than a preset power, the current torque is greater than a preset torque or the fuel consumption rate is greater than a preset fuel consumption rate, acquiring the battery energy mark attribute of the engine.
Preferably, the battery energy flag attributes include a system voltage value, a temperature value of an engine battery, a state of charge flag value, a state of charge value, and a power supply voltage value;
correspondingly, the step of generating a fault diagnosis report when the battery energy flag attribute meets the preset fault condition specifically includes:
and generating a fault diagnosis report when the system voltage value is lower than a preset voltage value, the temperature value is greater than or equal to a preset temperature value, the charging state flag value is not a preset charging flag value, the charging state value is greater than a preset charging value or the power supply voltage value is not in a preset voltage range.
Preferably, the step of generating a fault diagnosis report when the battery energy flag attribute meets a preset fault condition specifically includes:
respectively acquiring a first duration time that the system voltage value is lower than the preset voltage value, a second duration time that the temperature value is greater than or equal to the preset temperature value, a third duration time that the charge state flag value is not the preset charge flag value, a fourth duration time that the charge state value is greater than the preset charge value, and a fifth duration time that the power supply voltage value is not in the preset voltage range;
generating a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration and the fifth duration is greater than or equal to a corresponding preset duration.
Preferably, after the step of generating a fault diagnosis report when the battery energy flag attribute meets the preset fault condition, the method further includes:
detecting whether the fault diagnosis report meets the preset report requirement or not;
and when the fault diagnosis report meets the preset report requirement, controlling a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report.
Further, to achieve the above object, the present invention also proposes a system for diagnosing a battery energy of an engine, the system comprising:
the state judgment module is used for acquiring basic state parameters of the engine and judging whether the engine meets basic enabling conditions or not according to the basic state parameters;
the fault judgment module is used for acquiring the battery energy mark attribute of the engine when the engine meets the basic enabling condition and judging whether the battery energy mark attribute meets a preset fault condition or not;
and the fault prompting module is used for generating a fault diagnosis report when the battery energy mark attribute accords with a preset fault condition.
The basic state parameters comprise current rotating speed, current power, current torque and fuel consumption rate;
the fault judgment module is further used for acquiring the battery energy sign attribute of the engine when the current rotating speed is greater than a preset rotating speed, the current power is greater than a preset power, the current torque is greater than a preset torque or the fuel consumption rate is greater than a preset fuel consumption rate.
The battery energy flag attribute comprises a system voltage value, a temperature value of an engine storage battery, a charging state flag value, a state of charge value and a power supply voltage value;
the fault prompting module is further configured to generate a fault diagnosis report when the system voltage value is lower than a preset voltage value, the temperature value is greater than or equal to a preset temperature value, the charge state flag value is not a preset charge flag value, the charge state value is greater than a preset charge value, or the power supply voltage value is not within a preset voltage range.
The fault judgment module is further configured to respectively obtain a first duration that the system voltage value is lower than the preset voltage value, a second duration that the temperature value is greater than or equal to the preset temperature value, a third duration that the charge state flag value is not the preset charge flag value, a fourth duration that the charge state value is greater than the preset charge value, and a fifth duration that the power supply voltage value is not within the preset voltage range;
the fault determination module is further configured to generate a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration and the fifth duration is greater than or equal to a corresponding preset duration.
The fault prompting module is also used for detecting whether the fault diagnosis report meets the requirement of a preset report;
and the fault prompting module is also used for controlling a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report when the fault diagnosis report meets the preset report requirement.
The method comprises the steps of obtaining basic state parameters of an engine, judging whether the engine meets basic enabling conditions or not according to the basic state parameters, obtaining battery energy mark attributes of the engine when the engine meets the basic enabling conditions, judging whether the battery energy mark attributes meet preset fault conditions or not, generating a fault diagnosis report when the battery energy mark attributes meet the preset fault conditions, judging whether the preset fault conditions are met or not by integrating the basic state parameters and the battery energy mark attributes of the engine so as to reduce false alarm of battery faults, improve the precision of battery fault detection, and further reduce automobile fuel consumption and improve the utilization rate of battery energy through real-time fault diagnosis.
Drawings
FIG. 1 is a schematic diagram of a first configuration of an engine battery power diagnostic system of the present invention;
FIG. 2 is a schematic flow chart diagram of a first embodiment of the engine battery energy diagnostic method of the present invention;
FIG. 3 is a schematic flow chart diagram of a second embodiment of the engine battery energy diagnostic method of the present invention;
FIG. 4 is a schematic diagram of a second configuration of the engine battery power diagnostic system of the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a first structural schematic diagram of a system for diagnosing engine battery power according to an embodiment of the present invention.
As shown in fig. 1, the engine battery power diagnosis system may include: the processor 1001 is, for example, a Central Processing Unit (CPU), an Electronic Control Unit (ECU), a communication bus (not shown), a user interface (not shown), a network interface (not shown), a memory 1002, a storage battery 1003, and an intelligent generator 1004. Wherein the communication bus is used for realizing connection communication among the components. The user interface may comprise a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface may also comprise a standard wired interface, a wireless interface. The network interface may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1002 may be a Random Access Memory (RAM) Memory, or may be a Non-Volatile Memory (NVM), such as a disk Memory. The memory 1002 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in FIG. 1 does not constitute a limitation of a diagnostic system for engine battery power, and may include more or fewer components than shown, or some components in combination, or a different arrangement of components.
In the engine battery power diagnosis system shown in fig. 1, the memory 1002 as a storage medium may include an operating system (not shown), a data storage module (not shown), a network communication module (not shown), a user interface module (not shown), and an engine battery power diagnosis program (not shown).
In this embodiment, the processor 1001 takes an electronic control unit as an example, the electronic control unit may receive an engine rotation speed parameter, an ambient temperature parameter, an ambient atmospheric pressure parameter, an engine water temperature parameter, an engine crankshaft position parameter, and the like in real time, and the engine rotation speed parameter is used to identify a working state of the engine, and may be obtained from the engine crankshaft position parameter or may be obtained by direct measurement.
The battery 1003 may be an AGM (absorbent Glass mat) type battery with a battery power sensor (not shown), and the AGM type battery is a direct generator acting object, and uses a Glass fiber separator technology to support frequent start-stop working conditions and deep-cycle charging and discharging. The battery electric quantity sensor acquires the state of the AGM battery in real time and sends the electric quantity and the health state of the AGM battery to the ECU, the battery electric quantity sensor selects an LIN (local Interconnect network) communication mode to communicate with the gateway equipment, the gateway equipment interacts with the ECU in a CAN (controller Area network) communication mode, specifically, an LIN signal of the battery electric quantity sensor CAN be converted into a CAN communication signal, and the signal and the ECU are interacted and cooperated; the electronic control unit calculates a target power supply voltage value of the storage battery 1003 by recognizing a battery parameter, a vehicle speed information parameter, an environment temperature parameter, an environment atmospheric pressure parameter, a water temperature information parameter, an air conditioner load information parameter, a headlamp load parameter and the like of the AGM battery reflected by the battery electric quantity sensor, and sends the target power supply voltage value to the intelligent generator 1004.
The intelligent generator 1004 comprises an intelligent generator stator, an intelligent generator rotor, an intelligent voltage regulator assembly and other components, and can control rotor exciting current according to a target power supply voltage value sent by the electronic control unit, the real-time voltage of the AGM battery and the rotating speed of the generator rotor so as to ensure that the current power supply voltage of the storage battery 1003 is within a preset range of the target power supply voltage value; the intelligent generator 1004 interacts with the electronic control unit in an LIN communication mode, receives a target voltage value sent by the electronic control unit, and feeds back the target voltage value to an exciting current load signal of the electronic control unit.
The network interface is mainly used for carrying out data communication with the network server; the user interface is mainly used for data interaction with a user; the processor 1001 and the memory 1002 in the engine battery energy diagnosis system of the present invention may be provided in the engine battery energy diagnosis system, which calls the engine battery energy diagnosis program stored in the memory 1002 through the processor 1001 and performs the engine battery energy diagnosis method provided by the embodiment of the present invention.
An embodiment of the present invention provides a method for diagnosing energy of an engine battery, and referring to fig. 2, fig. 2 is a schematic flowchart of a first embodiment of the method for diagnosing energy of an engine battery according to the present invention.
In this embodiment, the method for diagnosing the energy of the battery of the engine includes the steps of:
step S10: acquiring basic state parameters of an engine, and judging whether the engine meets basic enabling conditions or not according to the basic state parameters;
it is easy to understand that the executing subject of the embodiment is the processor 1001, in a specific implementation, the executing subject may be an electronic control unit, the basic state parameter may include state parameters such as a current rotation speed, a current power, a current torque, and a fuel consumption rate, which can detect an operating state of the engine, and then, according to the current rotation speed, the current power, the current torque, and the fuel consumption rate, whether the engine meets a basic enabling condition is determined, specifically, whether the current rotation speed of the engine is greater than a preset rotation speed is compared to determine whether the engine meets the basic enabling condition, or whether the current power of the engine is greater than a preset power is compared to determine whether the engine meets the basic enabling condition, or whether the current torque of the engine is greater than a preset torque to determine whether the engine meets the basic enabling condition, or, whether the current fuel consumption rate of the engine is greater than the preset fuel consumption rate is compared to determine whether the engine meets the basic enabling condition, or the above determination criteria may be combined to determine, for example, whether the current power of the engine is greater than the preset power and whether the current torque of the engine is greater than the preset torque to determine whether the engine meets the basic enabling condition, or, for example, whether the current power of the engine is greater than the preset power, whether the current torque of the engine is greater than the preset torque, and whether the current fuel consumption rate of the engine is greater than the preset fuel consumption rate to determine whether the engine meets the basic enabling condition, where the specific combination manner may be determined according to an actual requirement, and this implementation is not limited.
Step S20: when the engine meets the basic enabling condition, acquiring a battery energy mark attribute of the engine, and judging whether the battery energy mark attribute meets a preset fault condition;
it should be noted that, based on the above-mentioned embodiment, it may be set that when the current rotation speed is greater than the preset rotation speed, the current power is greater than the preset power, the current torque is greater than the preset torque, or the fuel consumption rate is greater than the preset fuel consumption rate, the engine is judged to meet the basic enabling condition, and can be set as a combination of the above conditions, if the current rotating speed is greater than the preset rotating speed and the current power is greater than the preset power, judging that the engine meets the basic enabling condition, in a specific implementation, the preset rotation speed can be set to be 500 rpm, the preset power can be set to be 10 kilowatts, then upon detecting that the current engine speed is greater than 500 rpm and the current power is greater than 10 kilowatts, the engine is judged to meet the basic enabling condition, and the specific combination mode can be determined according to the actual requirement, which is not limited in this embodiment.
It should be noted that, when the engine meets the basic enabling condition, a battery energy flag attribute of the engine is obtained, and whether the battery energy flag attribute meets a preset fault condition is judged, where the battery energy flag attribute includes a system voltage value, a temperature value of an engine storage battery, a charge state flag value, a charge state value, and a power supply voltage value; judging whether the battery energy flag attribute meets a preset fault condition by judging whether the system voltage value is lower than a preset voltage value, whether the temperature value is greater than or equal to a preset temperature value, whether the charge state flag value is a preset charge flag value, whether the charge state value is greater than a preset charge value or whether the power supply voltage value is in a preset voltage range, wherein the preset charge flag value is mainly used for judging whether the storage battery is in a charge state, if the charge flag value when the storage battery is in the charge state is set to be 1, and if the charge flag value when the storage battery is not in the charge state is set to be 0, the preset charge flag value can be set to be 1, and whether the battery energy flag attribute meets the preset fault condition is judged according to whether the current charge flag value is 1; if the preset temperature value is set to be 60 ℃, whether the battery energy sign attribute meets the preset fault condition can be judged according to whether the temperature value of the current storage battery is higher than 60 ℃; the preset voltage range is determined based on a target power supply voltage value, the target power supply voltage value is calculated based on state parameters acquired through an electronic control unit, the preset voltage range can be obtained by calculating state parameters such as battery parameters of a storage battery, vehicle speed information parameters, environment temperature parameters, environment atmospheric pressure parameters, water temperature information parameters, air conditioner load information parameters, headlamp load parameters and the like through a preset voltage relation mapping table, the preset range can be set to be within a fluctuation range of a preset amplitude of the target power supply voltage value, if the preset amplitude is set to be 5%, the target power supply voltage value is calculated to be 15V, the preset range is (15-15 0.05) V to (15+15 0.05) V, namely the preset range is 14.25V-15.75V, in actual application, a person skilled in the art can also judge whether the battery energy sign attribute accords with a preset fault condition by combining the above conditions, if the battery energy flag attribute is determined to meet the preset fault condition by determining whether the system voltage value is lower than a preset voltage value and whether the temperature value is greater than or equal to a preset temperature value, the specific combination mode may be determined according to actual requirements, and this embodiment is not limited thereto.
In another embodiment, this embodiment may further respectively obtain a first duration in which the system voltage value is lower than the preset voltage value, a second duration in which the temperature value is greater than or equal to the preset temperature value, a third duration in which the charge state flag value is not the preset charge flag value, a fourth duration in which the charge state value is greater than the preset charge value, and a fifth duration in which the power supply voltage value is not within the preset voltage range, and then determine whether the battery energy flag attribute meets a preset fault condition according to whether any one of the first duration, the second duration, the third duration, the fourth duration, and the fifth duration is greater than or equal to a corresponding preset duration, or may also comprehensively determine whether the current battery energy flag attribute meets a preset fault condition by combining any of the durations, if it is detected whether the first duration is longer than the corresponding duration and whether the second duration is longer than the corresponding duration, it is determined whether the current attribute of the battery energy flag meets the preset fault condition.
Step S30: and generating a fault diagnosis report when the battery energy mark attribute accords with a preset fault condition.
It is easy to understand that, based on the above embodiments, it may be configured here that when the system voltage value is lower than the preset voltage value, the temperature value is greater than or equal to the preset temperature value, the charge state flag value is not the preset charge flag value, the charge state value is greater than the preset charge value, or the power supply voltage value is not within the preset voltage range, a fault diagnosis report is generated, if the preset charge value is set to 0.95, when the current charge state value is detected to be 0.99, it is determined that the current charge state is in an overcharge state, it may be determined that the preset fault condition is met, or the above conditions may be combined to determine whether the preset fault condition is met, further, if the preset temperature value is set to 60 ℃, and the preset charge value is set to 0.95, it may be determined that the battery energy flag attribute is met the preset fault condition when the current temperature value of the battery is greater than 60 ℃ and the current charge state value is greater than 0.95, the specific combination can be determined according to actual requirements, and this embodiment is not limited thereto.
In another embodiment, the method may further include generating a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration, and the fifth duration is greater than or equal to a corresponding preset duration, and if a preset temperature value is set to 60 ℃ and a preset duration corresponding to the second duration is 10 seconds, determining that the current temperature value of the battery is greater than 60 ℃ and does not meet a preset fault condition, and determining that the current temperature value of the battery meets the preset fault condition only when the current temperature value is greater than 60 ℃ and the duration is greater than 10 seconds, or determining that the current temperature value meets the preset fault condition by combining the preset temperature value and the preset duration corresponding to the second duration to 10 seconds, the preset duration corresponding to the fourth duration to 30 seconds, the preset temperature value to 60 ℃, if the preset charge value is set to 0.95, it is determined that the preset fault condition is met only when the state duration time of the current storage battery temperature greater than 60 ℃ exceeds 10 seconds and the state duration time of the current charge value greater than 0.95 exceeds 30 seconds, and the specific combination mode can be determined according to actual requirements, which is not limited in the present embodiment.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
The method comprises the steps of obtaining basic state parameters of an engine, judging whether the engine meets basic enabling conditions or not according to the basic state parameters, obtaining battery energy mark attributes of the engine when the engine meets the basic enabling conditions, judging whether the battery energy mark attributes meet preset fault conditions or not, generating a fault diagnosis report when the battery energy mark attributes meet the preset fault conditions, judging whether the preset fault conditions are met or not by integrating the basic state parameters and the battery energy mark attributes of the engine so as to reduce false alarm of battery faults, improve the precision of battery fault detection, and further reduce automobile fuel consumption and improve the utilization rate of battery energy through real-time fault diagnosis.
Referring to fig. 3, fig. 3 is a schematic flow chart of a second embodiment of the engine battery energy diagnosis method of the present invention.
Based on the first embodiment, in this embodiment, after step S30, the method further includes:
step S40: detecting whether the fault diagnosis report meets the preset report requirement or not;
it should be noted that after the fault diagnosis report is generated, it is further required to detect whether the fault diagnosis report meets a preset report requirement, where the preset report requirement may be to detect whether the fault diagnosis report includes a corresponding fault code, and whether the fault code meets a preset format requirement, and in a specific implementation, the preset report requirement may be determined according to an actual requirement, which is not limited in this embodiment.
Step S50: and when the fault diagnosis report meets the preset report requirement, controlling a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report.
It is easy to understand that when the fault diagnosis report meets the requirement of a preset report, the preset indicator lamp can be controlled to operate according to the preset indicator rule according to the fault diagnosis report, and a corresponding diagnosis scheme can be generated according to the fault code, in a specific implementation, the preset indicator rule can be that a fault type is extracted from the fault diagnosis report, and a corresponding preset indicator lamp is started according to the fault type, the indicator lamp can select a preset starting mode according to requirements, for example, a danger level of the fault can be determined according to the fault type or the fault code, and then a starting mode of the preset indicator lamp is determined according to the danger level, for example, a danger level that a current charge state value exceeds a preset charge value is set as a first level, a danger level that a current temperature value of a storage battery is greater than a preset temperature value is set as a second level, and a starting mode of the preset indicator lamp is set as a normally-on, setting a secondary starting mode as a preset frequency flashing prompt, controlling a corresponding preset indicator lamp to flash for prompting when detecting that the current temperature value of the storage battery is greater than a preset temperature value, and controlling a corresponding preset indicator lamp to normally light for prompting when detecting that the current charge state value exceeds a preset charge value.
It should be understood that the above is only an example, and the technical solution of the present invention is not limited in any way, and in a specific application, a person skilled in the art may set the technical solution as needed, and the present invention is not limited thereto.
The embodiment detects whether the fault diagnosis report meets the preset report requirement, when the fault diagnosis report meets the preset report requirement, the preset indicating lamp is controlled to operate according to the preset indicating rule according to the fault diagnosis report, and the preset report requirement and the preset indicating rule are set to provide more humanized service for a user, so that troubleshooting can be realized more intuitively and quickly, and the phenomenon that the automobile fuel consumption is increased due to the fact that the fault is not solved for a long time is avoided.
A second embodiment of the system for diagnosing the energy of the engine battery according to the present invention is proposed based on the first structural schematic diagram of the system for diagnosing the energy of the engine battery according to the present invention.
Referring to fig. 4, fig. 4 is a second structural schematic diagram of a system for diagnosing the energy of a battery of an engine according to an embodiment of the present invention.
As shown in fig. 4, the processor 1001 may include a status determination module 10, a failure determination module 20, and a failure prompt module 30.
The state judgment module 10 is configured to obtain a basic state parameter of an engine, and judge whether the engine meets a basic enabling condition according to the basic state parameter;
the fault judgment module 20 is configured to, when the engine meets the basic enabling condition, obtain a battery energy flag attribute of the engine, and judge whether the battery energy flag attribute meets a preset fault condition;
the fault prompting module 30 is configured to generate a fault diagnosis report when the battery energy flag attribute meets a preset fault condition.
The method comprises the steps of obtaining basic state parameters of an engine, judging whether the engine meets basic enabling conditions or not according to the basic state parameters, obtaining battery energy mark attributes of the engine when the engine meets the basic enabling conditions, judging whether the battery energy mark attributes meet preset fault conditions or not, generating a fault diagnosis report when the battery energy mark attributes meet the preset fault conditions, judging whether the preset fault conditions are met or not by integrating the basic state parameters and the battery energy mark attributes of the engine so as to reduce false alarm of battery faults, improve the precision of battery fault detection, and further reduce automobile fuel consumption and improve the utilization rate of battery energy through real-time fault diagnosis.
A third embodiment of the engine battery energy diagnostic system of the present invention is proposed based on the second embodiment of the above engine battery energy diagnostic system of the present invention.
In the present embodiment, the basic state parameters include a current rotation speed, a current power, a current torque, and a fuel consumption rate;
the fault determination module 20 is further configured to obtain a battery energy flag attribute of the engine when the current rotation speed is greater than a preset rotation speed, the current power is greater than a preset power, the current torque is greater than a preset torque, or the fuel consumption rate is greater than a preset fuel consumption rate.
The battery energy flag attribute comprises a system voltage value, a temperature value of an engine storage battery, a charging state flag value, a state of charge value and a power supply voltage value;
the fault prompting module 30 is further configured to generate a fault diagnosis report when the system voltage value is lower than a preset voltage value, the temperature value is greater than or equal to a preset temperature value, the charge state flag value is not a preset charge flag value, the charge state value is greater than a preset charge value, or the power supply voltage value is not within a preset voltage range.
The fault determining module 20 is further configured to obtain a first duration that the system voltage value is lower than the preset voltage value, a second duration that the temperature value is greater than or equal to the preset temperature value, a third duration that the charge state flag value is not the preset charge flag value, a fourth duration that the charge state value is greater than the preset charge value, and a fifth duration that the power supply voltage value is not within the preset voltage range, respectively;
the fault determining module 20 is further configured to generate a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration, and the fifth duration is greater than or equal to a corresponding preset duration.
The fault prompting module 30 is further configured to detect whether the fault diagnosis report meets a preset report requirement;
the fault prompting module 30 is further configured to control a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report when the fault diagnosis report meets the preset report requirement.
Other embodiments or specific implementation manners of the engine battery energy diagnosis system of the present invention may refer to the above method embodiments, and are not described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., a rom/ram, a magnetic disk, an optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of diagnosing engine battery energy, the method comprising:
acquiring basic state parameters of an engine, and judging whether the engine meets basic enabling conditions or not according to the basic state parameters;
when the engine meets the basic enabling condition, acquiring a battery energy mark attribute of the engine, and judging whether the battery energy mark attribute meets a preset fault condition;
and generating a fault diagnosis report when the battery energy mark attribute accords with a preset fault condition.
2. The method of claim 1, wherein the base state parameters include a current speed, a current power, a current torque, and a fuel consumption rate;
correspondingly, the step of obtaining the battery energy flag attribute of the engine when the engine meets the basic enabling condition specifically includes:
and when the current rotating speed is greater than a preset rotating speed, the current power is greater than a preset power, the current torque is greater than a preset torque or the fuel consumption rate is greater than a preset fuel consumption rate, acquiring the battery energy mark attribute of the engine.
3. The method of claim 1, wherein the battery energy flag attributes comprise a system voltage value, a temperature value for an engine battery, a state of charge flag value, a state of charge value, and a supply voltage value;
correspondingly, the step of generating a fault diagnosis report when the battery energy flag attribute meets the preset fault condition specifically includes:
and generating a fault diagnosis report when the system voltage value is lower than a preset voltage value, the temperature value is greater than or equal to a preset temperature value, the charging state flag value is not a preset charging flag value, the charging state value is greater than a preset charging value or the power supply voltage value is not in a preset voltage range.
4. The method according to claim 3, wherein the step of generating a fault diagnosis report when the battery energy flag attribute meets a preset fault condition specifically comprises:
respectively acquiring a first duration time that the system voltage value is lower than the preset voltage value, a second duration time that the temperature value is greater than or equal to the preset temperature value, a third duration time that the charge state flag value is not the preset charge flag value, a fourth duration time that the charge state value is greater than the preset charge value, and a fifth duration time that the power supply voltage value is not in the preset voltage range;
generating a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration and the fifth duration is greater than or equal to a corresponding preset duration.
5. The method of claim 1, wherein the step of generating a fault diagnosis report when the battery energy flag attribute meets a preset fault condition is further followed by:
detecting whether the fault diagnosis report meets the preset report requirement or not;
and when the fault diagnosis report meets the preset report requirement, controlling a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report.
6. A system for diagnosing engine battery energy, the system comprising:
the state judgment module is used for acquiring basic state parameters of the engine and judging whether the engine meets basic enabling conditions or not according to the basic state parameters;
the fault judgment module is used for acquiring the battery energy mark attribute of the engine when the engine meets the basic enabling condition and judging whether the battery energy mark attribute meets a preset fault condition or not;
and the fault prompting module is used for generating a fault diagnosis report when the battery energy mark attribute accords with a preset fault condition.
7. The system of claim 6, wherein the base state parameters include a current speed, a current power, a current torque, and a fuel consumption rate;
the fault judgment module is further used for acquiring the battery energy sign attribute of the engine when the current rotating speed is greater than a preset rotating speed, the current power is greater than a preset power, the current torque is greater than a preset torque or the fuel consumption rate is greater than a preset fuel consumption rate.
8. The system of claim 6, wherein the battery energy flag attributes comprise a system voltage value, a temperature value of an engine battery, a state of charge flag value, a state of charge value, and a supply voltage value;
the fault prompting module is further configured to generate a fault diagnosis report when the system voltage value is lower than a preset voltage value, the temperature value is greater than or equal to a preset temperature value, the charge state flag value is not a preset charge flag value, the charge state value is greater than a preset charge value, or the power supply voltage value is not within a preset voltage range.
9. The system of claim 8, wherein the fault determining module is further configured to obtain a first duration that the system voltage value is lower than the preset voltage value, a second duration that the temperature value is greater than or equal to the preset temperature value, a third duration that the soc flag value is not the preset soc flag value, a fourth duration that the soc value is greater than the preset soc value, and a fifth duration that the power supply voltage value is not within the preset voltage range, respectively;
the fault determination module is further configured to generate a fault diagnosis report when any one of the first duration, the second duration, the third duration, the fourth duration and the fifth duration is greater than or equal to a corresponding preset duration.
10. The system of claim 6, wherein the fault notification module is further configured to detect whether the fault diagnosis report meets a preset report requirement;
and the fault prompting module is also used for controlling a preset indicator lamp to operate according to a preset indication rule according to the fault diagnosis report when the fault diagnosis report meets the preset report requirement.
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