CN114839465A - Complete vehicle electric balance test system and method - Google Patents
Complete vehicle electric balance test system and method Download PDFInfo
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Abstract
The invention discloses a system and a method for testing electric balance of a whole vehicle, wherein the method comprises the following steps: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module; the environment bin is used for generating a physical test environment corresponding to the test task; the visual environment module is used for displaying visual environment information in the environment bin; the vehicle data acquisition module is used for acquiring vehicle running data at each preset acquisition position of the tested vehicle and then sending the vehicle running data to the vehicle data analysis module when the tested vehicle is in a physical test environment and executes a test task under the condition that visual environment information is displayed in the environment bin; and the vehicle data analysis module is connected with the vehicle data acquisition module and used for receiving and determining the test result of the whole vehicle electric balance of the tested vehicle according to the vehicle running data. The vehicle electric balance test system tests the vehicle electric balance in a simulated simulation environment, and improves the test accuracy and the test result accuracy.
Description
Technical Field
The invention relates to the technical field of vehicle testing, in particular to a system and a method for testing electric balance of a whole vehicle.
Background
With the increasing scientific and technological level and the quality of life of users, passenger vehicles are developed towards the directions of intelligent driving and high configuration, the change of driving modes and the increase of power consumption of controllers are brought along, the power consumption of the controllers is mainly provided by small vehicle-mounted storage batteries in short time, the power consumption of the controllers in long time is mainly provided by generators in the driving process of the vehicles, and the measured power consumption has larger difference under different working conditions, so that the electric balance test in the driving process of the vehicles is particularly important.
In the prior art, a vehicle is usually stopped in an environment bin, but the environment bin can only simulate physical environment conditions for testing and cannot simulate a real testing environment, so that the accuracy of the whole vehicle electric balance test is low, and the accuracy of a testing result is poor.
Disclosure of Invention
The invention provides a system and a method for testing the whole vehicle electric balance, which are used for improving the accuracy of the vehicle whole vehicle electric balance test and the accuracy of the test result in a simulation environment.
According to an aspect of the present invention, there is provided a complete vehicle electrical balance testing system, including: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module; wherein the content of the first and second substances,
the environment bin is used for generating a physical test environment corresponding to the test task;
the visual environment module is used for displaying visual environment information in the environment bin;
the vehicle data acquisition module is used for acquiring vehicle running data at each preset acquisition position of the tested vehicle and sending the vehicle running data to the vehicle data analysis module when the tested vehicle is in a physical test environment and the test task is executed under the condition that the visual environment information is displayed in the environment bin;
the vehicle data analysis module is connected with the vehicle data acquisition module and used for receiving the vehicle operation data and determining the test result of the whole vehicle electric balance of the tested vehicle according to the vehicle operation data.
According to another aspect of the present invention, a method for testing a vehicle electrical balance is provided, which is applied to a vehicle electrical balance testing system, and the vehicle electrical balance testing system includes: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module; the method for testing the electric balance of the whole vehicle comprises the following steps:
generating a physical test environment corresponding to the test task through the environment bin;
displaying visual environment information in the environment bin through the visual environment module;
when a tested vehicle is in a physical testing environment and the visual environment information is displayed in the environment bin to execute the testing task, vehicle operation data at each preset acquisition position of the tested vehicle are acquired through the vehicle data acquisition module, and the vehicle operation data are sent to the vehicle data analysis module;
and receiving the vehicle running data through the vehicle data analysis module, and determining a test result of the whole vehicle electric balance of the tested vehicle according to the vehicle running data.
The technical scheme of the embodiment of the invention includes that a physical test environment corresponding to a test task is generated through an environment bin, a visual environment module prepares and loads visual environment information for display according to the test task, after a tested vehicle drives into the environment bin, the test task is executed under the conditions of the physical test environment of the environment bin and the visual environment information displayed by the visual environment module, vehicle running data at each preset collection position of the tested vehicle during the execution of the test task are collected and sent to a vehicle data analysis module, after the vehicle running data are received by the vehicle data analysis module, a test result of the whole vehicle electrical balance of the tested vehicle is determined according to the vehicle running data, the problems that the whole vehicle electrical balance is not accurate enough and the test result is low in accuracy under a simulation environment are solved, and the more accurate whole vehicle electrical balance test under the simulation environment with higher simulation degree is achieved, the method has the beneficial effects of improving the accuracy of the test and the reliability of the test result.
It should be understood that the statements in this section do not necessarily identify key or critical features of the embodiments of the present invention, nor do they necessarily limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of a vehicle electrical balance testing system according to an embodiment of the present invention;
fig. 2 is a structural diagram of a vehicle electrical balance testing system according to a second embodiment of the present invention;
fig. 3 is a flowchart of a vehicle electrical balance testing method according to a third embodiment of the present invention;
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, 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 one
Fig. 1 is a structural diagram of a vehicle electrical balance testing system according to an embodiment of the present invention. As shown in fig. 1, the system includes: an environmental bin 110, a visualization environment module 120, a vehicle data collection module 130, and a vehicle data analysis module 140. The visual environment module is located in the environment bin, and the vehicle data acquisition module is connected with the vehicle analysis module.
Specifically, the environment bin 110 is configured to generate a physical test environment corresponding to the test task; a visualization environment module 120 for displaying visualization environment information within the environment bin; the vehicle data acquisition module 130 is configured to acquire vehicle operation data at each preset acquisition position of the vehicle to be tested when the vehicle to be tested is in a physical test environment and the test task is executed under the condition that the visual environment information is displayed in the environment bin, and send the vehicle operation data to the vehicle data analysis module; and the vehicle data analysis module 140 is connected with the vehicle data acquisition module and is used for receiving the vehicle operation data and determining a test result of the whole vehicle electrical balance of the tested vehicle according to the vehicle operation data.
The environmental chamber 110 can simulate a real physical environment, such as humidity, temperature, and light conditions of the tested vehicle. The test tasks may include: and the condition of the whole vehicle electrical balance when the tested vehicle runs under the environmental conditions of rain, sand and dust weather, heavy fog weather, snow, plateau topography and the like. The physical test environment can be understood as a simulated environment corresponding to a real physical environment corresponding to the test task, which is simulated by the environment cabin and used for testing the whole vehicle electrical balance condition of the tested vehicle in the physical test environment. Generally, the physical test environment that the environmental chamber 110 may generate includes test light, test temperature, and test humidity. The test light may include bright light in the daytime, no light at night or light with preset brightness, and the like.
On the basis, the visualized environment module 120 can further add visualized environment information, so as to better simulate a real driving environment. Optionally, in this embodiment of the present invention, the visualization environment module 120 includes an environment generating unit and an environment visualization unit connected to the environment generating unit, where the environment generating unit is configured to generate environment multimedia information corresponding to the test task; and the environment visualization unit is used for playing the environment multimedia information in the environment bin.
The multimedia information may include: video, audio-video, pictures, and the like.
It is understood that the environment generating unit may include a device having various software and/or hardware having a function of generating environment multimedia information corresponding to the test task. For example, an application program capable of automatically generating an environment simulation video based on environment parameters, animation software capable of generating an environment animation, and the like may be used.
Specifically, the environment visualization unit includes a display screen and/or a projection screen. In order to enable the visual environment to play a role under various driving conditions of the tested vehicle, optionally, the display screen or the projection screen can be an annular screen, and the setting has the advantages that after the environment multimedia information corresponding to the test task is loaded by the environment generating unit, the environment multimedia information is displayed on the display screen or is projected on the projection screen for display, so that the environment simulation effect is more real, and the test result is more accurate.
Illustratively, the executed test task is to test the whole vehicle electrical balance test of the vehicle during driving in mountains at rainy night, the temperature is set to be 5 ℃ by the environment bin, the humidity is set to be 80%, the light is set to be light at night, the computer loads the multimedia video of the mountains and the flowers and trees around the mountains during rainy night, displays the driving route which is planned according to the mountains and the test task and is required to be driven by the tested vehicle on the mountains, projects the driving route on the annular curtain, the tested vehicle can turn on controllers such as a vehicle lamp, an air conditioner in the vehicle, a windshield wiper and the like according to the video on the curtain, and automatically drives according to the mountains and/or the driving route planned by the computer, so that the whole vehicle electrical balance condition of the tested vehicle during driving is tested.
In the embodiment of the invention, the test environment of the tested vehicle can be simulated more realistically by adding the visual environment module. For example, the visual environment module may simulate a test weather, wherein the test weather may include sunny weather, rainy weather, snowy weather, heavy fog, sand and dust weather, and the like. The light change in the environment bin can be more natural, sound factors in environments such as thunder can be increased, real driving data of a tested vehicle can be tested more comprehensively, and therefore the test effect of the electric balance of the whole vehicle is guaranteed.
Optionally, the environmental chamber comprises an axle coupling machine, and the vehicle to be tested is mounted on the axle coupling machine.
The axle coupling machine can support the wheels to rotate forwards or backwards in response to a driving command, and can support the wheels to steer in response to the steering operation of the steering wheel. Specifically, after the vehicle receives the remote control instruction, the shaft coupling machine is used for assisting the vehicle to complete corresponding driving operation, wheels of the vehicle can be guaranteed to rotate to run under the condition that the position of the vehicle is not moved, and the shaft coupling machine is respectively arranged at each wheel of the vehicle.
Specifically, the shaft coupling machine can be set to different resistance modes, and different resistance modes can be set for the wheels according to different test road conditions so as to simulate real road resistance under corresponding test environments. For example, the test road conditions may include dry asphalt road conditions in sunny days, cement road conditions in which water is accumulated in rainy days, sand and stone road conditions in sand and dust weather, muddy soil road conditions in heavy rain weather, and the like. Different test road conditions can correspond to the same wheel driving resistance and can also correspond to different wheel driving resistances. The advantage that sets up like this lies in, can the road surface resistance when simulation vehicle goes under the test road conditions of difference, can simulate out various abominable test environment moreover, improves the authenticity of test, improves the accuracy nature of test result.
The test task is an electric balance test when the vehicle runs on an earth road surface for testing water accumulation in rainy days, the shaft coupling machine sets the resistance of the road surface to be 8, the lower the resistance value is, the smaller the resistance value is, the higher the resistance value is, the larger the resistance value is, the vehicle to be tested performs driving operations such as straight running, left turning and right turning according to instructions, and the whole vehicle electric balance in the running process is tested.
In an embodiment of the present invention, the vehicle data analysis module 130 may include: a PC (Personal Computer) terminal and/or a cloud platform.
Specifically, the vehicle operation data sent by the vehicle data acquisition module can be received by the PC end, and whether the vehicle operation data is analyzed by the PC end is determined according to the load condition of the PC end. For example, if the load condition of the PC end is lower than a preset load upper threshold, analyzing and processing the vehicle operation data at the PC end, and if the load condition of the PC end reaches the preset load upper threshold, sending the vehicle operation data to the cloud platform for analysis and processing, wherein the determination mode of the load condition of the PC end can be set according to actual requirements, and the preset load upper threshold can be set by a tester before testing, which is not specifically limited herein.
Optionally, whether the vehicle operation data is analyzed by the PC side may be determined by the data amount of the vehicle operation data. Illustratively, if the data volume of the received vehicle operation data does not exceed the preset data volume, the PC side performs analysis processing; if the data volume of the acquired vehicle operation data exceeds the preset data volume, the PC terminal sends the vehicle operation data to the cloud platform for analysis and processing, wherein the preset data volume can be set according to actual requirements, and specific numerical values of the preset data volume are not limited.
Specifically, the test result of the electric balance of the whole vehicle analyzed by the vehicle data analysis module may include: and (3) according to a test result of whether the generator of the tested vehicle obtained after the analysis of the sensor data result at each acquisition position of the vehicle and a preset judgment rule meets the power consumption of electric appliances of the vehicle and can also charge a small storage battery on the vehicle.
Further, the comprehensive test result of the vehicle comprises: and when the test result of the electric balance of the whole vehicle is unqualified, displaying that the sensor data at a specific position or a plurality of specific positions of the vehicle are inconsistent with a preset judgment rule.
Specifically, the preset determination rule may be to determine whether the battery integral is greater than 0, or preset parameter determination threshold ranges of the controllers, or the like.
This embodiment is through setting up the environment storehouse, the visual module of environment, vehicle data acquisition module and vehicle data analysis module, can be under the simulated simulation physical environment of emulation, it is visual with the environment, under the scene of higher simulation environment, control vehicle drives according to control command, test the whole electric balance among the driving process, after the sensor data to each collection position department carries out the analysis, reach comparatively directly perceived, complete comprehensive test result, improve the authenticity of environmental simulation, the accuracy of test result has been improved, the efficiency of checking when having improved the test and not passing through.
Example two
Fig. 2 is a structural diagram of a finished vehicle electrical balance test system according to a second embodiment of the present invention, where this embodiment is optimized on the basis of the foregoing embodiment, and the finished vehicle electrical balance test system according to this embodiment includes: an environmental bin 110, a visualization environment module 120, a vehicle data collection module 130, and a vehicle data analysis module 140. The vehicle data acquisition module 130 includes a digital acquisition instrument, signal acquisition software, and data acquisition elements respectively disposed at each preset acquisition position of the vehicle under test.
The data acquisition element is used for acquiring vehicle operation data at a preset acquisition position, converting an analog signal of the vehicle operation data into a voltage information signal and reporting the voltage information signal to the digital acquisition instrument; the data acquisition element is arranged at least one of a CAN port information acquisition position, a generator current acquisition position, a starter current acquisition position, a storage battery charging and discharging current acquisition position, a storage battery voltage acquisition position, a generator voltage acquisition position, an environment temperature acquisition position and an engine room temperature acquisition position of the tested vehicle; the digital acquisition instrument is connected with each data acquisition element and is used for receiving the vehicle running data reported by each data acquisition element, integrating and coding the multiple paths of vehicle running data and transmitting the multiple paths of vehicle running data to the signal acquisition software; the signal acquisition software is used for analyzing the received vehicle operation data into vehicle operation data of each road after integrating and coding the vehicle operation data, and storing the vehicle operation data of each road in a digital signal form.
Specifically, the vehicle data acquisition module receives voltage signals reported by the data acquisition units, integrates and splits the voltage signals, converts analog signals into digital signals in the splitting process, and uploads the digital signals obtained after conversion to the cloud platform or the PC terminal for storage.
For example, the data acquisition element may be disposed at least one of a CAN port information acquisition location, a generator current acquisition location, a starter current acquisition location, a battery charging/discharging current acquisition location, a battery voltage acquisition location, a generator voltage acquisition location, an ambient temperature acquisition location, and a cabin temperature acquisition location of the vehicle under test.
Optionally, the vehicle data analysis module 140 is further configured to generate a program control command for controlling the data acquisition elements at the preset acquisition positions in the vehicle data acquisition module to be turned on or turned off.
For example, the vehicle data analysis module may control the data acquisition elements at each acquisition position to be turned on or off according to the test requirements, such as: and independently starting the current sensor and closing the sensors at other acquisition positions, or starting the current sensor, the voltage sensor and the temperature sensor and closing the sensors at other acquisition positions, or closing all the sensors after the test is finished, and the like.
On the basis of the foregoing technical solutions, optionally, the vehicle data analysis module 140 is further configured to generate a driving operation instruction of the vehicle to be tested, and send the driving operation instruction to the vehicle to be tested, so that the vehicle to be tested runs according to the driving operation instruction.
Specifically, the vehicle data analysis module 130 generates a driving operation instruction of the tested vehicle, where the driving operation instruction may be a remote control instruction, and the driving operation instruction includes: the system comprises a vehicle starting command, a steering lamp starting command, a left steering wheel hitting command, a right steering wheel hitting command, a forward steering wheel returning command, a vehicle stopping command, a vehicle accelerating command, a vehicle decelerating command and the like.
Further, the driving operation instruction further includes: and sending the control instruction in real time according to the route displayed on the visual multimedia information. Illustratively, the multimedia information projected on the front curtain is a video running on a winding road, and with the change of a picture on the video, when a rail is shielded on the left side and an arrow indicated by a signboard on the picture is rightward, the winding road turns to the right according to the information on the picture, when the rail is shielded on the right side of the winding road and a mountain is on the left side, a straight-running control instruction is sent at the moment to control the vehicle to run straight, and the tested vehicle runs according to the real-time sent control instruction.
Exemplarily, under the condition that the environmental condition tested by the tested vehicle is severe, such as low-temperature test, if a driver enters a low-temperature cabin to control the vehicle, the physical health of the tester can be influenced, and the driving operation of the vehicle can be controlled without controlling the vehicle by the driver in the severe test environment through the remote control instruction sent by the vehicle data analysis module, so that the labor protection of the tester can be increased.
Considering that a specific test requirement is provided for the driving mode of the vehicle under certain test tasks, in order to facilitate the test of a tester and reduce test interaction, the driving mode corresponding to the test task can be preset, or a combination of some common driving behaviors can be preset as the preset driving mode.
In the embodiment of the present invention, optionally, the vehicle data analysis module 140 is specifically configured to generate a driving operation instruction of the vehicle to be tested according to a preset driving manner, and send the driving operation instruction to the vehicle to be tested, so that the vehicle to be tested runs according to the driving operation instruction.
For example, when the test vehicle is rainy at a night and the whole vehicle electrical balance test shows that the vehicle needs to turn continuously and the vehicle speed cannot be too high, the driving mode is set in advance to be that the vehicle runs at a low speed and 10km/h, the vehicle is started, the lamps, the wipers and the air conditioner in the vehicle are turned on, the vehicle starts to run and runs for 3 seconds, the steering wheel is killed at the left side, the operation is waited for 5 seconds, the operation is returned, the operation is waited for 2 seconds, the operation is killed at the right side, the operation is waited for 5 seconds and the operation is returned, the operation is finished after repeating for 20 times, and the vehicle to be tested drives according to the preset control command.
In addition, the vehicle data analysis module 140 may be further configured to generate a complete vehicle electrical balance test report according to the complete vehicle electrical balance test result after the test report is generated according to the vehicle operation data to determine the complete vehicle electrical balance test result of the tested vehicle.
It should be noted that the complete vehicle electrical balance test report may include only the complete vehicle electrical balance test result. For example, the collected data of the data collecting element at each collecting position of the vehicle can be included in the complete vehicle electric balance test report, so that the user can conveniently conduct further data analysis.
Fig. 2 provides a rain night mountain working condition intelligent driving whole vehicle electric balance test system based on a high-grade vehicle in-loop system. As shown in fig. 2, the electric balance testing system of the whole vehicle is divided into four modules: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module which are introduced below respectively.
1. The vehicle data acquisition module comprises a data acquisition element, a digital acquisition instrument and signal acquisition software. The data acquisition element comprises a current sensor, a voltage sensor, a temperature sensor and other data acquisition multi-path sensors. Respectively converting the physical signals sensed by the data acquisition elements into first voltage signals according to a certain conversion relation; the digital acquisition instrument integrates and codes the multi-path voltage signals and transmits the multi-path voltage signals to signal acquisition software; signal acquisition software represented by DEVICES software analyzes the integrated signal into multiple paths of signals through decoding and reverse conversion, and respectively decodes each path of signal into an original acquired signal, wherein the decoded original acquired signal is an analog signal, and a computer stores the original acquired signal into multiple paths of digital signals (raw format text files).
2. The vehicle data analysis module comprises a PC and a cloud platform. When the data volume is large, the PC can upload part of the computing tasks to the cloud platform, and the computing tasks are transmitted back to the PC by the cloud platform after being computed.
3. The visual environment module loads a rainy night lighting video in the computer through the projector and projects the video on the 220-degree annular projection curtain. The rainfall sensor in the tested vehicle can realize the intelligent driving perception at rainy night.
4. The environment bin provides a closed stable test environment for the tested vehicle and simulates temperature and humidity information in the test environment.
In the technical scheme, the tested vehicle can be arranged on the shaft coupling dynamometer, so that the vehicle can run under the real downhill working condition.
The intelligent driving whole vehicle electric balance test method based on the rainy night mountain working condition of the advanced vehicle in the loop system specifically comprises the following steps:
step 1: and (5) preparing. Arranging data acquisition multi-channel sensors at all positions of a tested vehicle for acquiring the following information: CAN port information, generator current, starter current, storage battery charging and discharging current, storage battery voltage, generator voltage, environment temperature and cabin temperature. Connecting equipment according to the schematic diagram of the test system in the figure 2, adjusting the states of a computer and the equipment, arranging wiring harnesses, carrying out preparation work before necessary tests, and turning to the step 2.
Step 2: and (3) mounting the vehicle on a shaft coupling machine of the vehicle in the ring module, adjusting the temperature of the environment cabin to the test temperature, and turning to the step 3.
And step 3: and 8h, the ambient temperature of the vehicle is stable, the vehicle data acquisition module is started and is connected into the ambient outdoor analysis module by using a long network cable or a local area network, the test item is started, and the step 4 is carried out.
And 4, step 4: and (3) loading the rainy night video by using a portable computer, projecting the rainy night video on a 220-degree annular vision curtain, starting the vehicle, opening the vehicle by using a controller under the actual working conditions of an air conditioner, seat heating, steering wheel heating, windshield wipers and the like, and turning to the step 5.
And 5: and starting timing, wherein the vehicle runs through a computer to send an instruction to control the intelligent driving vehicle to be dead left, righting, waiting for 30S, dead right, righting and waiting for 30S, and the period is one period. Repeat 30 times, this test lasts 30 minutes, go to step 6.
Step 6: and storing test data, disassembling the whole vehicle test equipment, and driving the tested vehicle away from the environmental chamber. And resetting, powering off and locking the test site tool, cleaning the test site, and turning to the step 7 after the test is finished.
And 7: finally, according to the test specification of the passenger vehicle, the main judgment principle is that whether the generator of the tested vehicle meets the power consumption of the electric appliance of the vehicle and can charge a small storage battery on the vehicle under the working condition of raining at night, a report is written, and a problem closed loop is formed by test bills corresponding to the test task.
In the embodiment, the environment visualization module generates and plays the environment multimedia information corresponding to the test task on the curtain, the vehicle data analysis module generates the driving operation instruction and sends the driving operation instruction to the tested vehicle, so that the tested vehicle runs according to the driving operation instruction, the vehicle data acquisition module acquires the vehicle running data at the preset position, converts the vehicle running data into a voltage signal from an analog signal, analyzes the voltage signal into a digital signal after integration, and finally stores the vehicle running data in the form of the analyzed digital signal, the vehicle data analysis module, after the test result of the whole vehicle electrical balance of the tested vehicle is determined according to the test report generated by the vehicle running data, and a vehicle electric balance test report is generated according to the vehicle electric balance test result, so that the authenticity of vehicle test and the accuracy of vehicle test are improved, the accuracy of the test result is improved, and the vehicle test efficiency is improved.
EXAMPLE III
Fig. 3 is a schematic flow chart of a vehicle electrical balance testing method according to a third embodiment of the present invention. The embodiment can be applied to vehicle test conditions, and the method can be applied to a complete vehicle electric balance test system for execution, and the complete vehicle electric balance test system can be realized in a hardware and/or software mode. Specifically, the vehicle electric balance test system includes: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module. As shown in fig. 1, the method includes:
s210, generating a physical test environment corresponding to the test task through the environment bin;
s220, displaying visual environment information in the environment bin through the visual environment module;
s230, when the tested vehicle is in a physical testing environment and the visual environment information is displayed in the environment bin to execute the testing task, acquiring vehicle running data at each preset acquisition position of the tested vehicle through the vehicle data acquisition module, and sending the vehicle running data to the vehicle data analysis module;
s240, receiving the vehicle running data through the vehicle data analysis module, and determining a test result of the whole vehicle electric balance of the tested vehicle according to the vehicle running data.
In an embodiment of the invention, the visualization environment module may comprise an environment generation unit and an environment visualization unit connected to the environment generation unit. Optionally, the displaying, by the visualization environment module, the visualization environment information in the environment bin includes: generating environment multimedia information corresponding to the test task through an environment generating unit in the visual environment module; and playing the environment multimedia information in the environment bin through an environment visualization unit in a visualization environment module.
Optionally, the environmental chamber includes a shaft coupling machine, and the vehicle to be tested is mounted on the shaft coupling machine in the environmental chamber.
On the basis of the technical scheme, the vehicle data acquisition module can comprise a digital acquisition instrument, signal acquisition software and data acquisition elements which are respectively arranged at each preset acquisition position of the tested vehicle.
Specifically, the acquiring, by the vehicle data acquisition module, vehicle operation data at each preset acquisition position of the vehicle under test includes: the method comprises the steps that vehicle operation data at a preset acquisition position are acquired through a digital acquisition element in a vehicle data acquisition module, converted into a voltage information number and reported to a digital acquisition instrument; receiving vehicle running data reported by each data acquisition element through a digital acquisition instrument in a vehicle data acquisition module, integrating and coding the multiple paths of vehicle running data, and transmitting the integrated and coded multiple paths of vehicle running data to the signal acquisition software; the method comprises the steps that vehicle operation data after received vehicle operation data are integrated and coded are analyzed into vehicle operation data of each road through signal acquisition software in a vehicle data acquisition module, and the vehicle operation data of each road are stored in a digital signal mode.
Illustratively, the data acquisition element is arranged at least one of a CAN port information acquisition position, a generator current acquisition position, a starter current acquisition position, a storage battery charging and discharging current acquisition position, a storage battery voltage acquisition position, a generator voltage acquisition position, an environment temperature acquisition position and a cabin temperature acquisition position of the tested vehicle.
On the basis of the above technical solutions, optionally, the method for testing electric balance of a whole vehicle further includes: generating a driving operation instruction of the tested vehicle through a vehicle data analysis module, and sending the driving operation instruction to the tested vehicle so as to enable the tested vehicle to run according to the driving operation instruction;
on the basis of the foregoing technical solutions, optionally, the generating, by the vehicle data analysis module, the driving operation instruction of the vehicle to be tested, and sending the driving operation instruction to the vehicle to be tested, so that the vehicle to be tested runs according to the driving operation instruction includes: generating a driving operation instruction of the tested vehicle according to a preset driving mode through a vehicle data analysis module, and sending the driving operation instruction to the tested vehicle so that the tested vehicle runs according to the driving operation instruction.
On the basis of the above technical solutions, optionally, the method for testing electric balance of a whole vehicle further includes: and after a test result of the electric balance of the whole vehicle of the tested vehicle is determined according to the test report generated by the vehicle running data, a vehicle data analysis module generates a test report of the electric balance of the whole vehicle according to the test result of the electric balance of the whole vehicle.
In the embodiment, a physical test environment corresponding to a test task is generated through an environment bin, visual environment information is displayed in the environment bin through the visual environment module, when the tested vehicle is in the physical test environment and the test task is executed under the condition that the visual environment information is displayed in the environment bin, vehicle running data at each preset collection position of the tested vehicle is collected through the vehicle data collection module and is sent to the vehicle data analysis module, the vehicle running data is received through the vehicle data analysis module, a test result of the whole vehicle electrical balance of the tested vehicle is determined according to the vehicle running data, the whole vehicle electrical balance test is carried out on the tested vehicle under the scene of a higher simulation environment, and after the sensor data at each collection position is analyzed, and a relatively visual and complete comprehensive test result is obtained, the authenticity of environment simulation and the accuracy of test are improved, the accuracy of the test result is improved, and the test efficiency is improved.
It should be understood that various forms of the flows shown above may be used, with steps reordered, added, or deleted. For example, the steps described in the present invention may be executed in parallel, sequentially, or in different orders, and are not limited herein as long as the desired result of the technical solution of the present invention can be achieved.
The above-described embodiments should not be construed as limiting the scope of the invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a complete car electric balance test system which characterized in that includes: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module; wherein the content of the first and second substances,
the environment bin is used for generating a physical test environment corresponding to the test task;
the visual environment module is used for displaying visual environment information in the environment bin;
the vehicle data acquisition module is used for acquiring vehicle running data at each preset acquisition position of the tested vehicle and sending the vehicle running data to the vehicle data analysis module when the tested vehicle is in a physical test environment and the test task is executed under the condition that the visual environment information is displayed in the environment bin;
the vehicle data analysis module is connected with the vehicle data acquisition module and used for receiving the vehicle operation data and determining the test result of the whole vehicle electric balance of the tested vehicle according to the vehicle operation data.
2. The system according to claim 1, wherein the visualization environment module comprises an environment generation unit and an environment visualization unit connected to the environment generation unit, wherein,
the environment generating unit generates environment multimedia information corresponding to the test task;
and the environment visualization unit is used for playing the environment multimedia information in the environment bin.
3. The system of claim 1, wherein the environmental chamber includes a shaft coupling on which the vehicle under test is mounted.
4. The system of claim 1, wherein the vehicle data acquisition module comprises a digital acquirer, signal acquisition software, and data acquisition elements respectively disposed at respective preset acquisition positions of the vehicle under test,
the data acquisition element is used for acquiring vehicle operation data at a preset acquisition position, converting the vehicle operation data into a voltage information number and reporting the voltage information number to the digital acquisition instrument;
the digital acquisition instrument is connected with each data acquisition element and is used for receiving the vehicle running data reported by each data acquisition element, integrating and coding the multiple paths of vehicle running data and transmitting the multiple paths of vehicle running data to the signal acquisition software;
the signal acquisition software is used for analyzing the received vehicle operation data into vehicle operation data of each road after integrating and coding the vehicle operation data, and storing the vehicle operation data of each road in a digital signal form.
5. The system of claim 4, wherein the data acquisition element is disposed at least one of a CAN port information acquisition site, a generator current acquisition site, a starter current acquisition site, a battery charging and discharging current acquisition site, a battery voltage acquisition site, a generator voltage acquisition site, an ambient temperature acquisition site, and a cabin temperature acquisition site of the vehicle under test.
6. The system of claim 1, wherein the vehicle data analysis module is further configured to generate a programmed command for controlling the turning on or off of the data acquisition elements at each preset acquisition position in the vehicle data acquisition module.
7. The system of claim 1, wherein the vehicle data analysis module is further configured to generate a driving operation instruction of the vehicle under test, and send the driving operation instruction to the vehicle under test, so that the vehicle under test runs according to the driving operation instruction.
8. The system according to claim 7, wherein the vehicle data analysis module is specifically configured to generate a driving operation instruction of the vehicle under test according to a preset driving manner, and send the driving operation instruction to the vehicle under test, so that the vehicle under test runs according to the driving operation instruction.
9. The system of claim 1, wherein the vehicle data analysis module is further configured to generate a full vehicle electrical balance test report based on the full vehicle electrical balance test result after determining the test result of the full vehicle electrical balance of the tested vehicle based on the vehicle operation data.
10. The utility model provides a complete car electric balance test method which characterized in that, is applied to complete car electric balance test system, complete car electric balance test system includes: the system comprises an environment bin, a visual environment module, a vehicle data acquisition module and a vehicle data analysis module; the method for testing the electric balance of the whole vehicle comprises the following steps:
generating a physical test environment corresponding to the test task through the environment bin;
displaying visual environment information in the environment bin through the visual environment module;
when a tested vehicle is in a physical testing environment and the visual environment information is displayed in the environment bin to execute the testing task, vehicle operation data at each preset acquisition position of the tested vehicle are acquired through the vehicle data acquisition module, and the vehicle operation data are sent to the vehicle data analysis module;
and receiving the vehicle running data through the vehicle data analysis module, and determining a test result of the whole vehicle electric balance of the tested vehicle according to the vehicle running data.
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