CN116736151A - Method, device, equipment and medium for determining power shortage reason of vehicle storage battery - Google Patents

Method, device, equipment and medium for determining power shortage reason of vehicle storage battery Download PDF

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Publication number
CN116736151A
CN116736151A CN202310693069.6A CN202310693069A CN116736151A CN 116736151 A CN116736151 A CN 116736151A CN 202310693069 A CN202310693069 A CN 202310693069A CN 116736151 A CN116736151 A CN 116736151A
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China
Prior art keywords
vehicle
static current
storage battery
determining
result
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CN202310693069.6A
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Inventor
王晓旭
董广宇
王大伟
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FAW Jiefang Automotive Co Ltd
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FAW Jiefang Automotive Co Ltd
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Priority to CN202310693069.6A priority Critical patent/CN116736151A/en
Publication of CN116736151A publication Critical patent/CN116736151A/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
    • G01R31/3842Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

The invention discloses a method, a device, equipment and a medium for determining the cause of the power shortage of a vehicle storage battery. Comprising the following steps: determining the monitoring voltage of the storage battery to be tested, and generating a performance state result of the storage battery according to the monitoring voltage; determining the static current of the whole vehicle of the vehicle to be tested, and generating a static current result according to the static current of the whole vehicle; the battery performance status results and the static current results are combined to generate a battery power deficiency cause. The method has the advantages that the performance state result of the storage battery is determined through the obtained monitoring voltage of the storage battery to be tested, the static current result is determined through the whole vehicle static current of the vehicle to be tested, finally, the storage battery power shortage reason is generated by combining the storage battery performance state result and the static current result, the storage battery power shortage reason is comprehensively analyzed and detected, the omission problem is avoided, the determination accuracy is improved, the abnormal awakening controller can be monitored, the abnormal static current controller in the normal electricity dormant state can be monitored, and the user operation is more convenient.

Description

Method, device, equipment and medium for determining power shortage reason of vehicle storage battery
Technical Field
The invention relates to the technical field of vehicle fault diagnosis, in particular to a method, a device, equipment and a medium for determining the cause of power shortage of a vehicle storage battery.
Background
With the development of commercial vehicle electric motor car, electron electrical configuration increases gradually, and the electric quantity consumption of ordinary electric parts rises thereupon, and in actual driving process, the condition that the vehicle is difficult to start because the battery is insufficient can appear, brings relatively poor experience for the user.
The reason for the power shortage of the storage battery is that on one hand, the static current of the whole vehicle is overlarge after the power-down due to the abnormal wake-up of the controller or the abnormal static current of the controller after the dormancy of the controller, so that the electric quantity of the storage battery is excessively consumed, and on the other hand, the health state of the storage battery is abnormal. In the prior art, the controller current and the bus signal are compared when the whole vehicle current is abnormal, then the fault controller is further determined, the abnormal static current controller in the normal electricity dormant state cannot be monitored, the operation of a user is inconvenient, and further the manual workload is large and the testing accuracy is low.
Disclosure of Invention
The invention provides a method, a device, equipment and a medium for determining the cause of the power deficiency of a vehicle storage battery, which are used for quickly determining the cause of the power deficiency when the vehicle is difficult to start due to the power deficiency of the storage battery.
According to an aspect of the present invention, there is provided a method of determining a cause of a power shortage of a vehicle battery, the method comprising:
determining the monitoring voltage of the storage battery to be tested, and generating a performance state result of the storage battery according to the monitoring voltage;
determining the static current of the whole vehicle of the vehicle to be tested, and generating a static current result according to the static current of the whole vehicle;
the battery performance status results and the static current results are combined to generate a battery power deficiency cause.
Optionally, before determining the monitored voltage of the battery to be tested, the method further includes: acquiring the state of a storage battery of each appointed vehicle; when the state of the storage battery is power shortage, taking the vehicle as a vehicle to be tested; and taking the battery with the corresponding power shortage of the vehicle to be tested as a battery to be tested, and filling the battery to be tested to full-charge voltage.
Optionally, generating the battery performance state result according to the monitored voltage includes: acquiring a designated time range; generating a voltage change curve according to the specified time range and the monitoring voltage, wherein the voltage change curve comprises the monitoring voltage in the specified time range; comparing the voltage change curve with a preset standard curve to obtain a maximum voltage difference value; judging whether the maximum voltage difference is larger than a preset difference threshold, if so, determining that the state result of the performance of the storage battery is abnormal; otherwise, the result of determining the performance state of the storage battery is that the state is good.
Optionally, before determining the static flow of the whole vehicle of the vehicle to be tested, the method further includes: acquiring the historical sleep time of the vehicle to be tested, and taking the maximum value in the historical sleep time as the target sleep time; powering down the vehicle to be tested; and standing the vehicle to be tested according to the target dormancy time.
Optionally, generating the static current result according to the static current of the whole vehicle includes: judging whether the static current of the whole vehicle is larger than a preset static current threshold value, if so, acquiring a dormant state of a designated constant-current controller, and generating a static current result according to the dormant state; otherwise, determining that the static current result is normal.
Optionally, generating the electrostatic current result according to the sleep state includes: judging whether the sleep state is dormant, if so, determining that the static current result is abnormal in the sleep static current of other constant-voltage controllers except the designated constant-voltage controller; otherwise, sending a dormancy instruction to the appointed constant electric controller, acquiring the current static current, and generating a static current result according to the current static current.
Optionally, generating the electrostatic current result according to the current electrostatic current includes: judging whether the current static current is larger than a preset static current threshold value, if so, determining that the static current result is abnormal awakening of the designated constant-current controller; otherwise, determining that the electrostatic current result is abnormal wake-up of the designated constant electric controller and that other constant electric controllers except the designated constant electric controller sleep electrostatic current abnormality.
According to another aspect of the present invention, there is provided a vehicle battery deficiency cause determining apparatus comprising:
the storage battery performance state result generation module is used for determining the monitoring voltage of the storage battery to be tested and generating a storage battery performance state result according to the monitoring voltage;
the static current result generation module is used for determining the whole vehicle static current of the vehicle to be tested and generating a static current result according to the whole vehicle static current;
and the storage battery power shortage cause determining module is used for combining the storage battery performance state result and the static current result to generate a storage battery power shortage cause.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform a method for determining a cause of battery depletion of a vehicle according to any one of the embodiments of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement a method for determining a cause of a vehicle battery deficiency according to any one of the embodiments of the present invention when executed.
According to the technical scheme, the battery performance state result is determined through the obtained monitoring voltage of the battery to be tested, the static current result is determined through the obtained whole vehicle static current of the vehicle to be tested, and finally the battery power shortage reason is generated by combining the battery performance state result and the static current result, so that the battery power shortage reason is comprehensively analyzed and detected, the omission problem is avoided, the determination accuracy is improved, the abnormal awakening controller can be monitored, the abnormal static current controller in the normal electricity dormant state can be monitored, and the user operation is more convenient.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for determining a cause of battery deficiency of a vehicle according to a first embodiment of the present invention;
FIG. 2 is a flowchart of another method for determining a cause of battery deficiency of a vehicle according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery health state testing system according to a first embodiment of the present invention;
fig. 4 is a flowchart of another method for determining a cause of battery deficiency of a vehicle according to the first embodiment of the invention;
FIG. 5 is a schematic diagram of an electrostatic discharge testing system according to a first embodiment of the present invention;
fig. 6 is a flowchart of another method for determining a cause of battery deficiency of a vehicle according to the second embodiment of the invention;
fig. 7 is a schematic structural diagram of a device for determining a cause of battery deficiency of a vehicle according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of an electronic device implementing a method for determining a cause of battery deficiency of a vehicle according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a flowchart of a method for determining a cause of a power shortage of a vehicle battery according to an embodiment of the present invention, where the method may be performed by a device for determining a cause of a power shortage of a vehicle battery, and the device may be implemented in hardware and/or software, and the device may be configured in a computer. As shown in fig. 1, the method includes:
s110, determining the monitoring voltage of the storage battery to be tested, and generating a storage battery performance state result according to the monitoring voltage.
The storage battery is a device for converting chemical energy into electric energy in a vehicle, and belongs to a direct-current power supply. The storage battery can provide strong starting current for the starter when the engine is started, can assist the generator to supply power to electric equipment when the generator is overloaded, and can supply power to the electric equipment when the engine is at idle speed, and the storage battery is also a large-capacity capacitor and can protect the electric equipment of the automobile. The storage battery to be tested is a power shortage storage battery, the power shortage is a common storage battery fault, the power shortage is that the electric quantity of the storage battery cannot reach a normal value, in order to rapidly solve the fault state, user complaints are reduced, the storage battery health state testing system and the electrostatic current testing system are integrated, and comprehensive analysis is performed on the storage battery to determine the power shortage reason.
Optionally, before determining the monitored voltage of the battery to be tested, the method further includes: acquiring the state of a storage battery of each appointed vehicle; when the state of the storage battery is power shortage, taking the vehicle as a vehicle to be tested; and taking the battery with the corresponding power shortage of the vehicle to be tested as a battery to be tested, and filling the battery to be tested to full-charge voltage.
Specifically, in this embodiment, since the analysis is performed on the battery and the vehicle in which the fault condition is the battery deficiency, before determining the monitored voltage of the battery to be tested, the battery to be tested and the vehicle to be tested need to be determined. The user can set the vehicle to be detected as the appointed vehicle, the controller can acquire the storage battery state of the appointed vehicle, the vehicle with the storage battery state being the power shortage is determined as the vehicle to be detected, and other vehicles do not need to carry out power shortage reason analysis because the storage battery state is normal. Further, the controller takes the battery with the corresponding power shortage of the vehicle to be tested as the battery to be tested, and then fills the battery to be tested to full voltage.
Fig. 2 is a flowchart of a method for determining a cause of battery deficiency of a vehicle according to an embodiment of the present invention, and step S110 mainly includes steps S111 to S116 as follows:
s111, determining the monitoring voltage of the storage battery to be tested.
Specifically, the storage battery to be tested is charged to full-power voltage, then the computer end is connected with the voltage monitoring device, the data of the voltage monitoring device can be transmitted to the computer end, and then the voltage monitoring device is connected to the positive and negative ends of the storage battery to be tested in parallel. And then, performing software configuration through a computer end, and inputting performance indexes of the storage battery to be tested, so that the monitoring voltage of the storage battery to be tested can be obtained.
S112, acquiring a specified time range, and generating a voltage change curve according to the specified time range and the monitored voltage, wherein the voltage change curve comprises the monitored voltage in the specified time range.
S113, comparing the voltage change curve with a preset standard curve to obtain a maximum voltage difference value.
S114, judging whether the maximum voltage difference is larger than a preset difference threshold, if so, executing S115, otherwise, executing S116.
S115, determining that the state result of the performance of the storage battery is abnormal.
And S116, determining that the state of the performance of the storage battery is good.
Specifically, the computer end controller obtains a voltage change curve in a specified time range, the specified time range can be set according to the type of the storage battery, then the voltage change curve obtained through testing is compared with a preset standard curve through software setting, and then whether the performance state of the storage battery is good or not is judged according to the maximum voltage difference value. For example, when the maximum voltage difference is greater than a preset difference threshold, the battery performance state result may be determined to be abnormal, and when the maximum voltage difference is less than or equal to the preset difference threshold, the battery performance state result may be determined to be good.
The specific embodiment is as follows: fig. 3 is a schematic structural diagram of a system for testing the health status of a storage battery according to an embodiment of the present invention, where the system for testing the health status of a storage battery includes a computer terminal and a voltage monitoring device, that is, after the computer terminal is connected with the voltage monitoring device, the voltage monitoring device is connected in parallel to a post of the storage battery to monitor the voltage and time variation of the storage battery, as shown in fig. 3.
S120, determining the static current of the whole vehicle of the vehicle to be tested, and generating a static current result according to the static current of the whole vehicle.
Fig. 4 is a flowchart of a method for determining a cause of battery deficiency of a vehicle according to an embodiment of the present invention, wherein step S120 mainly includes steps S121 to S129 as follows:
s121, determining the whole vehicle static current of the vehicle to be tested.
S122, judging whether the static current of the whole vehicle is larger than a preset static current threshold value, if so, executing S124, otherwise, executing S123.
S123, determining that the static current result is normal.
S124, acquiring a dormant state of the designated constant electric controller, judging whether the dormant state is dormant, if so, executing S125, otherwise, executing S126-S127.
Specifically, the static current result can be determined by judging whether the whole static current of the vehicle to be tested is greater than a preset static current threshold, the preset static current threshold can be set according to the type of the constant-current controller in the vehicle, namely, when the whole static current is greater than the preset static current threshold, the dormant state of the specified constant-current controller is obtained, then the static current result is further determined according to the dormant state, and when the whole static current is less than or equal to the preset static current threshold, the static current result is determined to be in a normal state.
S125 determines that the electrostatic flow result is that the other constant electric controller except the designated constant electric controller is abnormal in sleep electrostatic flow.
Specifically, when the sleep state is dormant, it may be determined that the electrostatic current result is that the other constant electric controller except the specified constant electric controller is dormant electrostatic current abnormality.
S126, sending a dormancy instruction to the appointed constant electric controller and acquiring the current static current.
S127, judging whether the current static current is larger than a preset static current threshold value, if so, executing S128, otherwise, executing S129.
S128, determining that the electrostatic current result is abnormal wake-up of the designated constant-voltage controller.
S129, determining that the electrostatic current result is abnormal wake-up of the designated constant electric controller and that the rest constant electric controllers except the designated constant electric controller are abnormal in sleep electrostatic current.
Specifically, when the sleep state is not sleep, the computer end sends a sleep instruction to the appointed constant electric controller and acquires the current static current, then further determines a static current result according to the current static current and a preset static current threshold value, when the current static current is larger than the preset static current threshold value, the static current result is determined to be abnormal wake-up of the appointed constant electric controller, and when the current static current is smaller than or equal to the preset static current threshold value, the static current result is determined to be abnormal wake-up of the appointed constant electric controller and the rest constant electric controllers except the appointed constant electric controller are abnormal in sleep static current.
The specific embodiment is as follows: fig. 5 is a schematic structural diagram of an electrostatic current testing system according to an embodiment of the present invention, where the electrostatic current testing system includes a computer terminal and a current monitoring device, that is, the current monitoring device is connected in series to the positive and negative poles of the battery after the computer terminal is connected with the current monitoring device, so as to monitor the current change of the whole vehicle, and CANOE is an application of the electrostatic current testing system, and it should be noted that two testing systems cannot be performed synchronously. In addition, the electrostatic current testing system adopts CANOE, a current monitoring system and matched software, so that the abnormal awakening controller can be monitored, and the abnormal electrostatic current controller in the normal-electricity dormant state can be monitored.
And S130, combining the battery performance state result and the electrostatic current result to generate a battery power shortage reason.
Specifically, the controller can finally combine the battery performance state result and the static current result to generate a battery power shortage reason, and send the battery power shortage reason to the user terminal for display, so that the user can conveniently check and adjust the battery of the vehicle in time, and the normal operation of the following vehicle is ensured. For example, the determined battery power loss cause may be: the accumulator performance state result is abnormal state, and the static current result is abnormal wake-up of the appointed constant electric controller. The technical scheme of the embodiment is from two angles: the method is simple and convenient to operate, and the reasons of the battery deficiency are comprehensively analyzed and detected, so that the reasons of the missing problem are avoided.
According to the technical scheme, the battery performance state result is determined through the obtained monitoring voltage of the battery to be tested, the static current result is determined through the obtained whole vehicle static current of the vehicle to be tested, and finally the battery power shortage reason is generated by combining the battery performance state result and the static current result, so that the battery power shortage reason is comprehensively analyzed and detected, the omission problem is avoided, the determination accuracy is improved, the abnormal awakening controller can be monitored, the abnormal static current controller in the normal electricity dormant state can be monitored, and the user operation is more convenient.
Example two
Fig. 6 is a flowchart of a method for determining a cause of battery deficiency of a vehicle according to a second embodiment of the present invention, in which a process of standing a vehicle to be tested is added on the basis of the first embodiment and the above-described embodiment. As shown in fig. 6, the method includes:
s210, determining the monitoring voltage of the storage battery to be tested, and generating a storage battery performance state result according to the monitoring voltage.
Optionally, before determining the monitored voltage of the battery to be tested, the method further includes: acquiring the state of a storage battery of each appointed vehicle; when the state of the storage battery is power shortage, taking the vehicle as a vehicle to be tested; and taking the battery with the corresponding power shortage of the vehicle to be tested as a battery to be tested, and filling the battery to be tested to full-charge voltage.
Optionally, generating the battery performance state result according to the monitored voltage includes: acquiring a designated time range; generating a voltage change curve according to the specified time range and the monitoring voltage, wherein the voltage change curve comprises the monitoring voltage in the specified time range; comparing the voltage change curve with a preset standard curve to obtain a maximum voltage difference value; judging whether the maximum voltage difference is larger than a preset difference threshold, if so, determining that the state result of the performance of the storage battery is abnormal; otherwise, the result of determining the performance state of the storage battery is that the state is good.
S220, acquiring the historical sleep time of the vehicle to be tested, and taking the maximum value in the historical sleep time as the target sleep time.
Specifically, since the static current test is required to be performed after the vehicle to be tested is dormant, it is required to obtain the historical dormant time of the vehicle to be tested, and the maximum value in the historical dormant time is used as the target dormant time to ensure that the vehicle is in a dormant state when the static current test is performed.
And S230, powering down the vehicle to be tested, and standing the vehicle to be tested according to the target dormancy time.
Specifically, powering down the vehicle to be tested includes closing a door window and closing a power supply main switch, and standing the vehicle to be tested according to a target sleep time after powering down the vehicle to be tested so as to ensure that the vehicle is in a sleep state when static current testing is performed.
S240, determining the static current of the whole vehicle of the vehicle to be tested, and generating a static current result according to the static current of the whole vehicle.
Optionally, generating the static current result according to the static current of the whole vehicle includes: judging whether the static current of the whole vehicle is larger than a preset static current threshold value, if so, acquiring a dormant state of a designated constant-current controller, and generating a static current result according to the dormant state; otherwise, determining that the static current result is normal.
Optionally, generating the electrostatic current result according to the sleep state includes: judging whether the sleep state is dormant, if so, determining that the static current result is abnormal in the sleep static current of other constant-voltage controllers except the designated constant-voltage controller; otherwise, sending a dormancy instruction to the appointed constant electric controller, acquiring the current static current, and generating a static current result according to the current static current.
Optionally, generating the electrostatic current result according to the current electrostatic current includes: judging whether the current static current is larger than a preset static current threshold value, if so, determining that the static current result is abnormal awakening of the designated constant-current controller; otherwise, determining that the electrostatic current result is abnormal wake-up of the designated constant electric controller and that other constant electric controllers except the designated constant electric controller sleep electrostatic current abnormality.
S250, combining the battery performance state result and the electrostatic current result to generate a battery power shortage reason.
According to the technical scheme, the battery performance state result is determined through the obtained monitoring voltage of the battery to be tested, the static current result is determined through the obtained whole vehicle static current of the vehicle to be tested, and finally the battery power shortage reason is generated by combining the battery performance state result and the static current result, so that the battery power shortage reason is comprehensively analyzed and detected, the omission problem is avoided, the determination accuracy is improved, the abnormal awakening controller can be monitored, the abnormal static current controller in the normal electricity dormant state can be monitored, and the user operation is more convenient.
Example III
Fig. 7 is a schematic structural diagram of a device for determining a cause of power shortage of a vehicle battery according to a third embodiment of the present invention. As shown in fig. 7, the apparatus includes: a battery performance state result generating module 310, configured to determine a monitored voltage of the battery to be tested, and generate a battery performance state result according to the monitored voltage;
the static current result generating module 320 is configured to determine a complete vehicle static current of the vehicle to be tested, and generate a static current result according to the complete vehicle static current;
the battery power deficiency cause determination module 330 is configured to combine the battery performance status result and the electrostatic current result to generate a battery power deficiency cause.
Optionally, the apparatus further comprises: a battery charging module for: before determining the monitoring voltage of the storage battery to be tested, acquiring the storage battery state of each appointed vehicle; when the state of the storage battery is power shortage, taking the vehicle as a vehicle to be tested; and taking the battery with the corresponding power shortage of the vehicle to be tested as a battery to be tested, and filling the battery to be tested to full-charge voltage.
Optionally, the battery performance status result generating module 310 specifically includes: a battery performance state result generation unit configured to: acquiring a designated time range; generating a voltage change curve according to the specified time range and the monitoring voltage, wherein the voltage change curve comprises the monitoring voltage in the specified time range; comparing the voltage change curve with a preset standard curve to obtain a maximum voltage difference value; judging whether the maximum voltage difference is larger than a preset difference threshold, if so, determining that the state result of the performance of the storage battery is abnormal; otherwise, the result of determining the performance state of the storage battery is that the state is good.
Optionally, the apparatus further comprises: the vehicle to be tested stands the module, is used for: before determining the whole vehicle static current of the vehicle to be tested, acquiring the historical dormancy time of the vehicle to be tested, and taking the maximum value in the historical dormancy time as the target dormancy time; powering down the vehicle to be tested; and standing the vehicle to be tested according to the target dormancy time.
Optionally, the electrostatic current result generating module 320 is specifically configured to: judging whether the static current of the whole vehicle is larger than a preset static current threshold value, if so, acquiring a dormant state of a designated constant-current controller, and generating a static current result according to the dormant state; otherwise, determining that the static current result is normal.
Optionally, the electrostatic current result generating module 320 specifically includes: a sleep state judging unit configured to: judging whether the sleep state is dormant, if so, determining that the static current result is abnormal in the sleep static current of other constant-voltage controllers except the designated constant-voltage controller; otherwise, sending a dormancy instruction to the appointed constant electric controller, acquiring the current static current, and generating a static current result according to the current static current.
Optionally, the sleep state determining unit specifically includes: a current electrostatic current judging subunit, configured to: judging whether the current static current is larger than a preset static current threshold value, if so, determining that the static current result is abnormal awakening of the designated constant-current controller; otherwise, determining that the electrostatic current result is abnormal wake-up of the designated constant electric controller and that other constant electric controllers except the designated constant electric controller sleep electrostatic current abnormality.
According to the technical scheme, the battery performance state result is determined through the obtained monitoring voltage of the battery to be tested, the static current result is determined through the obtained whole vehicle static current of the vehicle to be tested, and finally the battery power shortage reason is generated by combining the battery performance state result and the static current result, so that the battery power shortage reason is comprehensively analyzed and detected, the omission problem is avoided, the determination accuracy is improved, the abnormal awakening controller can be monitored, the abnormal static current controller in the normal electricity dormant state can be monitored, and the user operation is more convenient.
The vehicle storage battery power shortage cause determining device provided by the embodiment of the invention can execute the vehicle storage battery power shortage cause determining method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the executing method.
Example IV
Fig. 8 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 8, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as a vehicle battery deficiency cause determination method. Namely: determining the monitoring voltage of the storage battery to be tested, and generating a performance state result of the storage battery according to the monitoring voltage; determining the static current of the whole vehicle of the vehicle to be tested, and generating a static current result according to the static current of the whole vehicle; the battery performance status results and the static current results are combined to generate a battery power deficiency cause.
In some embodiments, a vehicle battery deficiency cause determination method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of a vehicle battery deficiency cause determination method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform a vehicle battery deficiency cause determination method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. A method for determining a cause of a battery deficiency of a vehicle, comprising:
determining the monitoring voltage of a storage battery to be tested, and generating a storage battery performance state result according to the monitoring voltage;
determining the whole vehicle static current of a vehicle to be tested, and generating a static current result according to the whole vehicle static current;
and combining the battery performance state result and the static current result to generate a battery power deficiency reason.
2. The method of claim 1, further comprising, prior to said determining the monitored voltage of the battery under test:
acquiring the state of a storage battery of each appointed vehicle;
when the state of the storage battery is the power shortage, taking the vehicle as the vehicle to be tested;
and taking the battery with the power shortage corresponding to the vehicle to be tested as a battery to be tested, and filling the battery to be tested to full-charge voltage.
3. The method of claim 1, wherein said generating battery performance state results from said monitored voltage comprises:
acquiring a designated time range;
generating a voltage change curve according to the specified time range and the monitoring voltage, wherein the voltage change curve comprises the monitoring voltage in the specified time range;
comparing the voltage change curve with a preset standard curve to obtain a maximum voltage difference value;
judging whether the maximum voltage difference is larger than a preset difference threshold, if so, determining that the performance state result of the storage battery is abnormal;
otherwise, determining that the performance state result of the storage battery is good.
4. The method of claim 1, further comprising, prior to said determining the vehicle static flow of the vehicle under test:
acquiring the historical sleep time of the vehicle to be tested, and taking the maximum value in the historical sleep time as a target sleep time;
powering down the vehicle to be tested;
and standing the vehicle to be tested according to the target dormancy time.
5. The method of claim 1, wherein the generating an electrostatic current result from the vehicle electrostatic current comprises:
judging whether the static current of the whole vehicle is larger than a preset static current threshold value, if so, acquiring a dormant state of a designated constant-current controller, and generating a static current result according to the dormant state;
otherwise, determining that the static current result is normal.
6. The method of claim 5, wherein generating an electrostatic flow result from the sleep state comprises:
judging whether the sleep state is dormant, if so, determining that the static current result is abnormal in sleep static current of other constant-voltage controllers except the designated constant-voltage controller;
otherwise, sending a dormancy instruction to the appointed constant electric controller, acquiring current static current, and generating a static current result according to the current static current.
7. The method of claim 6, wherein generating an electrostatic current result from the present electrostatic current comprises:
judging whether the current static current is larger than a preset static current threshold value, if so, determining that the static current result is abnormal awakening of a specified constant-current controller;
otherwise, determining that the static current result is abnormal awakening of the designated constant-voltage controller and that other constant-voltage controllers except the designated constant-voltage controller sleep static current abnormality.
8. A vehicle battery deficiency cause determining apparatus, characterized by comprising:
the storage battery performance state result generation module is used for determining the monitoring voltage of the storage battery to be tested and generating a storage battery performance state result according to the monitoring voltage;
the static current result generation module is used for determining the whole vehicle static current of the vehicle to be tested and generating a static current result according to the whole vehicle static current;
and the storage battery power shortage cause determining module is used for combining the storage battery performance state result and the static current result to generate a storage battery power shortage cause.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-7.
10. A computer storage medium storing computer instructions for causing a processor to perform the method of any one of claims 1-7 when executed.
CN202310693069.6A 2023-06-12 2023-06-12 Method, device, equipment and medium for determining power shortage reason of vehicle storage battery Pending CN116736151A (en)

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Application Number Priority Date Filing Date Title
CN202310693069.6A CN116736151A (en) 2023-06-12 2023-06-12 Method, device, equipment and medium for determining power shortage reason of vehicle storage battery

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