CN112014617B - Method, device and system for testing quiescent current of whole vehicle - Google Patents
Method, device and system for testing quiescent current of whole vehicle Download PDFInfo
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- CN112014617B CN112014617B CN201910463852.7A CN201910463852A CN112014617B CN 112014617 B CN112014617 B CN 112014617B CN 201910463852 A CN201910463852 A CN 201910463852A CN 112014617 B CN112014617 B CN 112014617B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The embodiment of the invention provides a method, a testing device and a system for testing the quiescent current of a whole vehicle, wherein the method comprises the following steps: acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle; when the test mode is a charging test mode, the control signal comprises: when a vehicle locking signal, a charging end signal and a charging gun connection signal are received, the message state of a vehicle and the output current of a storage battery are tested within a first preset time; and obtaining a test result according to the message state of the test vehicle within the first preset time and the output current of the storage battery. According to the technical scheme provided by the embodiment of the invention, the blank of the whole vehicle quiescent current test of the electric vehicle in the charging scene is filled up by setting the whole vehicle quiescent current test in the charging scene, so that a whole vehicle dormancy mechanism of the electric vehicle in the charging scene and the whole vehicle quiescent current meet design requirements are ensured, and the condition that the electric vehicle is lack of power in the charging scene is prevented.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to a method, a device and a system for testing the quiescent current of a whole automobile.
Background
When the vehicle is in a standing state, part of electric appliance parts still consume the electric energy of the storage battery due to the reasons of memory, theft prevention and the like, and in order to ensure that the vehicle can still be started smoothly after being normally stopped for a certain time, the capacity of the storage battery of the vehicle needs to meet the requirement of a certain standing time, and the quiescent current of each controller needs to be controlled within a standard range; in the development stage of the whole vehicle, the rationality of the capacity model selection of the vehicle storage battery needs to be evaluated through the static current test of the whole vehicle and the controller, and whether the static current of the main controller meets the design requirement is verified. Along with the intelligent development of whole car, whole car function is more and more, and when the different scenes of vehicle especially the scene of charging, because the electric energy mainly by outside power supply unit for example in the charging process: the charging pile supplies power, so that the electric quantity of the storage battery is not consumed; when charging is finished, if the charging gun is not disconnected, the whole vehicle is always in a low-voltage power-on state, external power supply equipment does not provide electric energy for the whole vehicle any more, at the moment, the low-voltage power-on of the whole vehicle is completely provided with electric energy by the storage battery, if measures are not taken or taken within a long time are not appropriate, the electric energy of the storage battery can be continuously consumed, and then the condition of power shortage of the whole vehicle occurs, and the traditional whole vehicle static current testing method cannot meet the testing requirement of the pure electric vehicle. Therefore, a new testing method is urgently needed to meet the requirement of the pure electric vehicle on the static current test of the whole vehicle.
Disclosure of Invention
The embodiment of the invention aims to provide a method, a device and a system for testing the quiescent current of a finished automobile, which are used for solving the problem that the traditional method for testing the quiescent current of the finished automobile cannot meet the test requirement of a pure electric vehicle.
In order to solve the above technical problem, an embodiment of the present invention provides a method for testing a quiescent current of a finished vehicle, which is applied to a testing apparatus, and includes:
acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
when the test mode is a charging test mode, the control signal comprises: when a vehicle locking signal, a charging end signal and a charging gun connection signal are received, the message state of a vehicle and the output current of a storage battery are tested within a first preset time;
and obtaining a test result according to the message state of the test vehicle within the first preset time and the output current of the storage battery.
Specifically, in the method for testing the quiescent current of the entire vehicle, the charging test mode includes: the method comprises the following steps of testing one of a first quick charge test, a first slow charge test, a first quick charge interruption test and a first slow charge interruption test of a vehicle at normal temperature, or testing one of a second quick charge test, a second slow charge test, a second quick charge interruption test and a second slow charge interruption test at a preset temperature, wherein the preset temperature is lower than the normal temperature.
Further, according to the method for testing the quiescent current of the whole vehicle, when the charging test is one of a first fast charging test, a first slow charging test, a second fast charging test and a second slow charging test, the charging end signal is an electric quantity full-charge signal;
and when the charging test is one of a first quick charging interruption test, a first slow charging interruption test, a second quick charging interruption test and a second slow charging interruption test, the charging ending signal is a charging interruption signal.
Specifically, according to the method for testing the quiescent current of the whole vehicle, when the charging test mode is one of a second fast charging test, a second slow charging test, a second fast charging interruption test and a second slow charging interruption test at a preset temperature, before the test is started, the time that the test vehicle is at the preset temperature is longer than a second preset time.
Preferably, the method for testing the quiescent current of the entire vehicle, according to the message state of the test vehicle within the first preset time and the output current of the storage battery, obtaining the test result includes:
determining a first time length for the test vehicle to enter the sleep mode according to the message state, and determining a first whole vehicle quiescent current when the test vehicle is in the sleep mode according to the output current within a first preset time;
acquiring a preset second time length corresponding to the test mode when the vehicle enters the sleep mode and a second whole vehicle quiescent current when the vehicle is in the sleep mode;
comparing the first time length with the second time length to obtain a first comparison result, and comparing the first whole vehicle static current with the second whole vehicle static current to obtain a second comparison result;
and when the first comparison result is that the first time length is less than or equal to the second time length and the first vehicle static current is less than or equal to the second vehicle static current, obtaining a test result that the test vehicle meets the design requirement.
Specifically, according to the method for testing the quiescent current of the whole vehicle, when the test vehicle is continuously in a no-message transmission state for a third preset time, the test vehicle is determined to enter a sleep mode, a time point when the test vehicle enters the sleep mode is determined, and a time length between the time point when the test vehicle starts to detect and the time point when the test vehicle starts to detect is a first time length.
Optionally, the method for testing the quiescent current of the entire vehicle as described above, in the sleep mode, includes: when the shallow sleep and the deep sleep spaced by the fourth preset time from the shallow sleep, the step of comparing the first whole vehicle quiescent current with the second whole vehicle quiescent current to obtain a second comparison result comprises the following steps:
comparing the first sub-current when the test vehicle is in shallow dormancy with a preset third sub-current when the vehicle is in shallow dormancy, and comparing the second sub-current when the test vehicle is in deep dormancy with a preset fourth sub-current when the vehicle is in deep dormancy;
and when the first sub-current is less than or equal to the third sub-current and the second sub-current is less than or equal to the fourth sub-current, determining that the first finished automobile quiescent current is less than or equal to the second finished automobile quiescent current.
Still another preferred embodiment of the present invention also provides a test apparatus, including:
the first acquisition module is used for acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
the first processing module is used for charging the test mode when the test mode is the charging test mode, and the control signal comprises: when a vehicle locking signal and a charging end signal are received, the message state of a test vehicle and the output current of a storage battery are obtained within a first preset time;
and the second processing module is used for obtaining a test result according to the message state of the test vehicle within the first preset time and the output current of the storage battery.
Preferably, the test apparatus as described above, the first processing module includes:
the first processing submodule is used for determining a first time length for the test vehicle to enter the sleep mode according to the message state, and determining a first whole vehicle quiescent current when the test vehicle is in the sleep mode according to the output current within a first preset time;
the second processing submodule is used for acquiring a preset second time length corresponding to the test mode when the vehicle enters the sleep mode and a second whole vehicle quiescent current when the vehicle is in the sleep mode;
the third processing submodule is used for comparing the first time length with the second time length to obtain a first comparison result, and comparing the first whole vehicle quiescent current with the second whole vehicle quiescent current to obtain a second comparison result;
and the fourth processing submodule is used for obtaining a test result that the test vehicle meets the design requirement when the first comparison result is that the first duration is less than or equal to the second duration and the first whole vehicle quiescent current is less than or equal to the second whole vehicle quiescent current.
Optionally, the test apparatus as described above, in the sleep mode, comprises: when shallow dormancy and with shallow dormancy interval fourth preset time's deep dormancy, the second processing submodule includes:
the first processing unit is used for comparing a first sub-current when the test vehicle is in shallow dormancy with a preset third sub-current when the vehicle is in shallow dormancy, and comparing a second sub-current when the test vehicle is in deep dormancy with a preset fourth sub-current when the vehicle is in deep dormancy;
and the second processing unit is used for determining that the quiescent current of the first finished automobile is less than or equal to the quiescent current of the second finished automobile when the first sub-current is less than or equal to the third sub-current and the second sub-current is less than or equal to the fourth sub-current.
Another preferred embodiment of the present invention further provides a system for testing a quiescent current of a finished vehicle, including: a charging apparatus, a test vehicle and a test device as described above;
wherein, the test vehicle includes: the testing device is connected with the vehicle control unit and is electrically connected with the storage battery through the detection circuit.
Yet another preferred embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method for testing the quiescent current of a whole vehicle as described above.
Compared with the prior art, the method, the device and the system for testing the quiescent current of the whole vehicle provided by the embodiment of the invention at least have the following beneficial effects:
in an embodiment of the present invention, when a test device is used to perform a vehicle-mounted quiescent current test on a test vehicle, the test device obtains a test mode input by a user and a control signal sent by a vehicle controller, wherein when the test mode is a charging test mode, the control signal includes: when the vehicle locking signal, the charging end signal and the charging gun connection signal are received, it is determined that the vehicle under test is completely charged, and at the moment, the message state of the vehicle under test and the output current of the storage battery are required to be tested within the first preset time, so that whether the vehicle under test takes measures or not and whether the measures taken are appropriate or not can be judged. Optionally, when the testing device obtains the output current of the storage battery, the real-time voltage of the storage battery can be obtained at the same time, so that the power consumption of the storage battery can be obtained, and the power supply capacity of the storage battery can be conveniently judged. According to the technical scheme provided by the embodiment of the invention, the blank of the whole vehicle static current test of the electric vehicle in the charging scene is made up by setting the whole vehicle static current test in the charging scene, so that the whole vehicle dormancy mechanism of the electric vehicle in the charging scene and the whole vehicle static current can be ensured to meet the design requirement, and the power shortage of the electric vehicle in the charging scene can be prevented.
Drawings
FIG. 1 is a flow chart illustrating a method applied to a test apparatus according to an embodiment of the present invention;
FIG. 2 is a second flowchart illustrating a method applied to a test apparatus according to an embodiment of the present invention;
FIG. 3 is a third flowchart illustrating a method applied to a testing apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a testing apparatus according to the present invention;
FIG. 5 is a schematic structural diagram of a test system according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by the function and the inherent logic of the process, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Referring to fig. 1, a preferred embodiment of the present invention provides a method for testing a quiescent current of a finished vehicle, which is applied to a testing apparatus, and includes:
step S101, acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
step S102, when the test mode is the charging test mode, the control signal includes: when a vehicle locking signal, a charging end signal and a charging gun connection signal are received, the message state of a vehicle and the output current of a storage battery are tested within a first preset time;
and step S103, obtaining a test result according to the message state of the test vehicle within the first preset time and the output current of the storage battery.
In an embodiment of the present invention, when a test device is used to perform a vehicle static current test on a test vehicle, the test device obtains a test mode input by a user and a control signal sent by a vehicle control unit, wherein when the test mode is a charging test mode, the control signal includes: when the vehicle locking signal, the charging end signal and the charging gun connection signal are received, it is determined that the vehicle under test is completely charged, and at the moment, the message state of the vehicle under test and the output current of the storage battery are required to be tested within the first preset time, so that whether the vehicle under test takes measures or not and whether the measures taken are appropriate or not can be judged. Optionally, when the testing device obtains the output current of the storage battery, the real-time voltage of the storage battery can be obtained at the same time, so that the power consumption of the storage battery can be obtained, and the power supply capacity of the storage battery can be conveniently judged. According to the technical scheme provided by the embodiment of the invention, the blank of the whole vehicle static current test of the electric vehicle in the charging scene is made up by setting the whole vehicle static current test in the charging scene, so that the whole vehicle dormancy mechanism of the electric vehicle in the charging scene and the whole vehicle static current can be ensured to meet the design requirement, and the power shortage of the electric vehicle in the charging scene can be prevented.
Wherein, when specifically carrying out the test under the scene of charging, the test flow still includes: a worker connects a charging gun of the charging equipment with a test vehicle to charge the vehicle and perform vehicle locking operation; when the whole vehicle control detects that the charging is completed, a control signal comprising a vehicle locking signal, a charging completion signal and a charging gun connection signal is sent to the testing device, and the testing device starts the testing process applied to the testing device according to the control signal.
Optionally, in a non-charging scenario, for example: after the vehicle travels for a period of time, the vehicle is parked for a long time, that is, when the test mode is the normal test mode, the test process can be that after the test vehicle is in a full power state and the test device is initialized, the test device is connected with the test vehicle, the entire vehicle power supply network of the test vehicle is awakened, and a load for a period of time is started, for example: the method comprises the steps that vehicle starting simulation is conducted on light, a windshield wiper, an air blower or a vehicle window and the like, then the load is closed, a power supply mode of the whole vehicle is sequentially switched to fire cut-off, ignition and fire cut-off, then the whole vehicle is locked, a vehicle controller sends a vehicle locking signal to a testing device, the testing device executes the testing process applied to the testing device according to the vehicle locking signal, the message state of the vehicle and the output current of a storage battery are tested within first preset time in the step S102, and the step S103 is conducted.
Specifically, in the method for testing the quiescent current of the entire vehicle, the charging test mode includes: the method comprises the following steps of testing one of a first quick charge test, a first slow charge test, a first quick charge interruption test and a first slow charge interruption test of a vehicle at normal temperature, or testing one of a second quick charge test, a second slow charge test, a second quick charge interruption test and a second slow charge interruption test at a preset temperature, wherein the preset temperature is lower than the normal temperature.
In an embodiment of the present invention, the charging test mode includes: the test vehicle tests at normal temperature and at the temperature that is less than the test under the preset temperature of normal temperature, and the while is different according to the mode of charging difference, the actual condition of charging is different, all sets up corresponding test mode, has enlarged testing arrangement's test range, is favorable to carrying out the analysis to the performance of test vehicle from a plurality of angles, guarantees the finished product vehicle that finally obtains to have higher adaptability. The temperature of a place where the test is performed at the normal temperature is determined, generally, a value from 20 ℃ to 25 ℃ is adopted, the preset temperature is determined according to the lowest temperature of a selling area of finished products of the test vehicles and the normal temperature, the preset temperature can be set to be multiple, and the test mode is correspondingly set according to each preset temperature.
Further, according to the method for testing the quiescent current of the entire vehicle, when the charging test is one of a first fast charging test, a first slow charging test, a second fast charging test and a second slow charging test, the charging end signal is a full-charge signal;
and when the charging test is one of a first quick charging interruption test, a first slow charging interruption test, a second quick charging interruption test and a second slow charging interruption test, the charging ending signal is a charging interruption signal.
In the embodiment of the invention, different signals are adopted as the charging end signals according to different actual charging conditions of the tested vehicle, so that the application scene of the electric vehicle in actual application is fully considered, and the normal running of the test and the practicability of the test result are favorably ensured.
Specifically, according to the method for testing the quiescent current of the whole vehicle, when the charging test mode is one of a second fast charging test, a second slow charging test, a second fast charging interruption test and a second slow charging interruption test at a preset temperature, before the test is started, the time that the test vehicle is at the preset temperature is longer than a second preset time.
In the embodiment of the invention, when the charging mode is the charging mode at the preset temperature, the test vehicle needs to be placed in the environment at the preset temperature and kept for a time longer than the second preset time because the charging mode is lower than the normal temperature, so that the temperature of each structure of the test vehicle is ensured to be reduced to the preset temperature first, and the accuracy of the test result is ensured. In an embodiment of the present invention, the method is to place the test measurement in an environmental chamber with a preset temperature for cooling. The second preset time is set to 10 hours, and on the premise of ensuring the cooling effect, a person skilled in the art can adaptively shorten or increase the cooling treatment time according to the actual situation.
Referring to fig. 2, preferably, in the method for testing the quiescent current of the entire vehicle as described above, the step S103 of obtaining the test result according to the message status of the test vehicle within the first preset time and the output current of the storage battery includes:
step S201, determining a first time length for the test vehicle to enter a sleep mode according to the message state, and determining a first whole vehicle static current when the test vehicle is in the sleep mode according to the output current within a first preset time;
step S202, acquiring a preset second time length corresponding to the test mode when the vehicle enters the sleep mode and a second whole vehicle quiescent current when the vehicle is in the sleep mode;
step S203, comparing the first time length with the second time length to obtain a first comparison result, and comparing the first whole vehicle static current with the second whole vehicle static current to obtain a second comparison result;
and S204, when the first comparison result is that the first time length is less than or equal to the second time length and the quiescent current of the first whole vehicle is less than or equal to the quiescent current of the second whole vehicle, obtaining a test result that the test vehicle meets the design requirement.
In the embodiment of the invention, the testing device determines a first time length for the test vehicle to enter the sleep mode according to the message state, compares the first time length with a preset second time length corresponding to the test mode to obtain a first comparison result, compares a first vehicle quiescent current determined according to the output current when the test vehicle is in the sleep mode with a preset second vehicle quiescent current to obtain a second comparison result, and when the first comparison result is that the first time length is less than or equal to the second time length and the first vehicle quiescent current is less than or equal to the second vehicle quiescent current, the test vehicle enters the sleep mode under a preset condition or earlier than the preset condition, and the vehicle quiescent current under the sleep mode meets the design requirements, and the test result that the test vehicle meets the design requirements is obtained at the moment, so that a sleep mechanism of an electric vehicle of the same type as the test vehicle under a charging scene and the vehicle quiescent current meet the design requirements is favorably, and the occurrence of power shortage of the electric vehicle under the charging scene is prevented. If the first comparison result is that the first duration is longer than the second duration, or the quiescent current of the first whole vehicle is larger than the quiescent current of the second whole vehicle, the test vehicle cannot meet the design requirement, and the original design of the test vehicle is convenient for technical personnel to improve.
Specifically, according to the method for testing the quiescent current of the whole vehicle, when the test vehicle is continuously in a no-message transmission state for a third preset time, the test vehicle is determined to enter a sleep mode, a time point when the test vehicle enters the sleep mode is determined, and a time length between the time point when the test vehicle starts to detect and the time point when the test vehicle starts to detect is a first time length.
In the embodiment of the invention, the third preset time is set to avoid a judgment error caused by that the test vehicle has no message transmission temporarily, so that the accuracy of determining that the test vehicle enters the sleep mode is ensured, and the accuracy of the obtained final result is further ensured.
Referring to fig. 3, optionally, the method for testing the quiescent current of the entire vehicle as described above includes, in the sleep mode: when the shallow sleep mode and the deep sleep mode separated from the shallow sleep mode by a fourth preset time are performed, the step S203 of comparing the first vehicle quiescent current with the second vehicle quiescent current to obtain a second comparison result includes:
step S301, comparing a first sub-current when the test vehicle is in shallow sleep with a third sub-current when the preset vehicle is in shallow sleep, and comparing a second sub-current when the test vehicle is in deep sleep with a fourth sub-current when the preset vehicle is in deep sleep;
step S302, when the first sub-current is smaller than or equal to the third sub-current and the second sub-current is smaller than or equal to the fourth sub-current, the first whole vehicle static current is determined to be smaller than or equal to the second whole vehicle static current.
In the embodiment of the present invention, if the control strategy of the test vehicle gradually enters the sleep mode, that is, there are multiple sleep stages, each step needs to be compared, and it can be determined that the first entire vehicle quiescent current is less than or equal to the second entire vehicle quiescent current only if all the detected sub-currents satisfy less than or equal to the corresponding preset sub-currents. Optionally, the number of sub-currents is determined according to the number of sleep phases. Alternatively, the values of the fourth preset time between adjacent sleep stages may be different.
Referring to fig. 4, still another preferred embodiment of the present invention also provides a test apparatus, including:
the first obtaining module 401 is configured to obtain a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
the first processing module 402 is configured to, when the test mode is a charging test mode, control signals including: when the vehicle locking signal and the charging ending signal are received, the message state of the vehicle and the output current of the storage battery are tested within a first preset time;
the second processing module 403 is configured to obtain a test result according to a message state of the test vehicle within a first preset time and an output current of the storage battery.
Preferably, as the test apparatus described above, the first processing module 402 includes:
the first processing submodule is used for determining a first time length for the test vehicle to enter the sleep mode according to the message state, and determining a first whole vehicle quiescent current when the test vehicle is in the sleep mode according to the output current within a first preset time;
the second processing submodule is used for acquiring a preset second time length corresponding to the test mode when the vehicle enters the sleep mode and a second whole vehicle quiescent current when the vehicle is in the sleep mode;
the third processing submodule is used for comparing the first time length with the second time length to obtain a first comparison result, and comparing the first whole vehicle quiescent current with the second whole vehicle quiescent current to obtain a second comparison result;
and the fourth processing submodule is used for obtaining a test result that the test vehicle meets the design requirement when the first comparison result is that the first duration is less than or equal to the second duration and the quiescent current of the first whole vehicle is less than or equal to the quiescent current of the second whole vehicle.
Optionally, as described above, the test apparatus, in the sleep mode, includes: when the shallow sleep mode and the deep sleep mode separated from the shallow sleep mode by a fourth preset time, the second processing sub-module 403 includes:
the first processing unit is used for comparing a first sub-current when the test vehicle is in shallow dormancy with a preset third sub-current when the vehicle is in shallow dormancy, and comparing a second sub-current when the test vehicle is in deep dormancy with a preset fourth sub-current when the vehicle is in deep dormancy;
and the second processing unit is used for determining that the first finished automobile quiescent current is less than or equal to the second finished automobile quiescent current when the first sub-current is less than or equal to the third sub-current and the second sub-current is less than or equal to the fourth sub-current.
The embodiment of the testing device of the invention is a device corresponding to the embodiment of the method for testing the quiescent current of the whole vehicle, and all implementation means in the embodiment of the method are suitable for the embodiment of the device, and the same technical effect can be achieved.
Referring to fig. 5, another preferred embodiment of the present invention further provides a system for testing a quiescent current of a finished vehicle, including: a charging device 501, a test vehicle 502, and a test apparatus 503 as described above;
wherein the test vehicle 502 includes: the testing device comprises a storage battery 5021, a charger 5022 and a vehicle controller 5023, wherein the storage battery 5021 is respectively connected with the charger 5022 and the vehicle controller 5023, the charger 5022 is also electrically connected with the charging equipment 501, and the testing device 503 is connected with the vehicle controller 5023 and is electrically connected with the storage battery 5021 through a detection circuit 504.
In an embodiment of the present invention, a system for testing a quiescent current of a whole vehicle includes: a charging device 501, a test vehicle 502, and a test apparatus 503 as described above;
the testing device 503 is connected to the vehicle controller 5023 to receive a signal sent by the vehicle controller 5023, and is connected to the battery 5021 through the detection circuit 504 to obtain the output current of the battery 5021. Optionally, the detection circuit 504 includes a current detection circuit and a voltage detection circuit, so that the testing device 503 can obtain the consumed power of the battery 5021 according to the detected current value and voltage value. When the method for testing the quiescent current of the whole electric vehicle is executed by the testing device 503, the blank of the quiescent current test of the whole electric vehicle in the charging scene is made up by setting the quiescent current test of the whole electric vehicle in the charging scene, which is beneficial to ensuring that the dormant mechanism of the whole electric vehicle in the charging scene and the quiescent current of the whole electric vehicle meet the design requirements and preventing the power shortage of the electric vehicle in the charging scene.
Optionally, the testing device 503 comprises: the system comprises an upper computer, an electrical performance testing tool and a diagnosis tool, wherein the upper computer is connected with a whole vehicle controller 5023 through the diagnosis tool and a diagnosis interface of a test vehicle, and is connected with a detection circuit through the electrical performance testing tool.
Yet another preferred embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method for testing the quiescent current of a whole vehicle as described above.
When the computer program is executed by the processor to realize the method for testing the quiescent current of the whole electric vehicle, the blank of the quiescent current test of the whole electric vehicle under the charging scene is made up by setting the quiescent current test of the whole electric vehicle under the charging scene, so that the complete vehicle dormancy mechanism and the quiescent current of the whole electric vehicle under the charging scene can meet the design requirements, and the power shortage of the electric vehicle under the charging scene can be prevented.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A method for testing the quiescent current of a whole vehicle is applied to a testing device and is characterized by comprising the following steps:
acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
when the test mode is a charging test mode, the control signal comprises: acquiring the message state of the test vehicle and the output current of the storage battery within a first preset time when a vehicle locking signal, a charging end signal and a charging gun connection signal are received;
and obtaining a test result according to the message state of the test vehicle within the first preset time and the output current of the storage battery.
2. The method for testing the quiescent current of the whole vehicle according to claim 1, wherein the charging test mode comprises: the test vehicle comprises one of a first fast charge test, a first slow charge test, a first fast charge interruption test and a first slow charge interruption test at normal temperature, or one of a second fast charge test, a second slow charge test, a second fast charge interruption test and a second slow charge interruption test at a preset temperature, wherein the preset temperature is lower than the normal temperature.
3. The method for testing the quiescent current of the whole vehicle according to claim 2, wherein when the charging test is one of a first fast charging test, a first slow charging test, a second fast charging test and a second slow charging test, the charging end signal is a full-charge signal;
and when the charging test is one of a first quick charging interruption test, a first slow charging interruption test, a second quick charging interruption test and a second slow charging interruption test, the charging ending signal is a charging interruption signal.
4. The method for vehicle quiescent current testing of claim 3, wherein when said charging test mode is one of a second fast charge test, a second slow charge test, a second fast charge interrupt test, and a second slow charge interrupt test at a predetermined temperature, a time said test vehicle is at said predetermined temperature is greater than a second predetermined time before starting the test.
5. The method for testing the quiescent current of the whole vehicle according to claim 3, wherein the step of obtaining the test result according to the message status of the test vehicle within the first preset time and the output current of the storage battery comprises:
determining a first time length for the test vehicle to enter a sleep mode according to the message state, and determining a first whole vehicle static current when the test vehicle is in the sleep mode according to the output current within the first preset time;
acquiring a preset second time length corresponding to the test mode when the vehicle enters the sleep mode and a second whole vehicle static current when the vehicle is in the sleep mode;
comparing the first time length with the second time length to obtain a first comparison result, and comparing the first whole vehicle quiescent current with the second whole vehicle quiescent current to obtain a second comparison result;
and when the first comparison result is that the first time length is less than or equal to the second time length and the first whole vehicle static current is less than or equal to the second whole vehicle static current, obtaining a test result that the test vehicle meets the design requirement.
6. The method for testing the quiescent current of the whole vehicle according to claim 5, wherein when the test vehicle is continuously in a no-message transmission state for a third preset time, the test vehicle is determined to enter the sleep mode, and a time point when the test vehicle enters the sleep mode and a time point when detection is started are determined, wherein a time length between the time point and the time point is the first time length.
7. The method for testing the quiescent current of the whole vehicle according to claim 5, wherein the sleep mode comprises: when shallow dormancy and shallow dormancy interval fourth preset time's degree of depth dormancy, will first whole car quiescent current with the comparison of second whole car quiescent current obtains the step of second comparison result and includes:
comparing the first sub-current of the test vehicle in the shallow dormancy with a preset third sub-current of the vehicle in the shallow dormancy, and comparing the second sub-current of the test vehicle in the deep dormancy with a preset fourth sub-current of the vehicle in the deep dormancy;
and when the first sub-current is less than or equal to the third sub-current and the second sub-current is less than or equal to the fourth sub-current, determining that the first whole vehicle quiescent current is less than or equal to the second whole vehicle quiescent current.
8. A test apparatus, comprising:
the first acquisition module is used for acquiring a test mode input by a user and a control signal sent by a vehicle control unit of a test vehicle;
a first processing module, configured to, when the test mode is a charging test mode, control the control signal to include: when the vehicle locking signal and the charging ending signal are received, acquiring the message state of the test vehicle and the output current of the storage battery within a first preset time;
and the second processing module is used for obtaining a test result according to the message state of the test vehicle in the first preset time and the output current of the storage battery.
9. The utility model provides a whole car quiescent current test system which characterized in that includes: a charging apparatus, a test vehicle, and a test device according to claim 8;
wherein the test vehicle comprises: the testing device comprises a storage battery, a charger and a vehicle control unit, wherein the storage battery is respectively connected with the charger and the vehicle control unit, the charger is also electrically connected with the charging equipment, and the testing device is connected with the vehicle control unit and is electrically connected with the storage battery through a detection circuit.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method for finished vehicle quiescent current testing according to any one of claims 1 to 7.
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| CN113200000B (en) * | 2021-05-19 | 2023-05-09 | 浙江吉利控股集团有限公司 | Vehicle quiescent current control method, system, apparatus, and computer-readable storage medium |
| CN114859864A (en) * | 2022-04-29 | 2022-08-05 | 中国第一汽车股份有限公司 | Vehicle testing method, device, equipment and storage medium |
| CN115061448A (en) * | 2022-05-11 | 2022-09-16 | 中国第一汽车股份有限公司 | Whole vehicle static current testing method under rain working condition |
| CN115166538A (en) * | 2022-06-30 | 2022-10-11 | 东莞新能安科技有限公司 | Charging detection method, device, equipment and product |
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