CN111273179A - Electric vehicle detection method and system - Google Patents
Electric vehicle detection method and system Download PDFInfo
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- CN111273179A CN111273179A CN202010107007.9A CN202010107007A CN111273179A CN 111273179 A CN111273179 A CN 111273179A CN 202010107007 A CN202010107007 A CN 202010107007A CN 111273179 A CN111273179 A CN 111273179A
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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]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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Abstract
The invention discloses a detection method of an electric automobile, which comprises the following steps: the method comprises the steps that a first information acquisition device acquires first vehicle information and uploads the first vehicle information to a cloud platform; the cloud platform automatically matches second vehicle information stored in the database and a communication protocol stored in the database according to the uploaded first vehicle information and sends the communication protocol to a second information acquisition device; the second information acquisition device is matched with a battery device in the vehicle according to the communication protocol, converts message information uploaded by the vehicle battery into parameter information of the battery, and sends the parameter information to the detection device, and meanwhile, the detection device uploads the parameter information to the cloud platform; and the cloud platform receives the parameter information uploaded by the detection device, calculates a detection result and sends the detection result to the detection device. The invention also discloses an electric automobile detection system. The method and the device can accurately acquire the battery data information in the electric automobile in real time, and improve the transportability and expandability of the electric automobile detection system.
Description
Technical Field
The invention relates to the field of electric vehicle detection, in particular to an electric vehicle detection method and system.
Background
At present, automobiles are important vehicles in modern society, and provide convenient and comfortable travel services for people, however, a large amount of harmful waste gas is generated in the using process of the traditional fuel oil vehicles, and the dependence on non-renewable petroleum resources is aggravated. For economic sustainability, the living environment of human beings is protected and the energy supply is relieved. The electric automobile has the obvious characteristics of good environmental protection performance and multiple energy sources as power, can protect the environment, can relieve the shortage of the energy sources, can adjust the structure of the energy sources and guarantee the safety of the energy sources.
Along with the use of the electric automobile, the power battery can age gradually, the capacity, the internal resistance and other performances can decline, the performance requirements of the system can not be met any more, and the potential safety hazard is increased. Nowadays, the holding capacity of electric vehicles is higher and higher, the holding time is longer and longer, the safety and the performance of the power batteries of the electric vehicles are concerned by the countries, industries and consumers, and the detection on the safety and the performance of the power batteries of the electric vehicles is more and more necessary.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an electric vehicle detection method which can accurately acquire battery data information in an electric vehicle in real time.
The invention further provides an electric automobile detection system.
In a first aspect, an embodiment of the present invention provides an electric vehicle detection method: the method comprises the following steps:
s100: the first information acquisition device acquires first vehicle information;
s200: when the acquisition fails, acquiring first vehicle information by using a code scanning mode;
s300: uploading the first vehicle information to a cloud platform through a detection device;
s400: the cloud platform automatically matches second vehicle information stored in a database according to the uploaded first vehicle information, and automatically matches a communication protocol stored in the database according to the second vehicle information;
s500: the cloud platform sends the communication protocol to a second information acquisition device through a detection device;
s600: the second information acquisition device is matched with a battery device in the vehicle according to the communication protocol, message information uploaded by the vehicle battery is converted into parameter information of the battery, the parameter information is sent to the detection device, and the detection device uploads the parameter information to the cloud platform;
s700: and the cloud platform receives the parameter information uploaded by the detection device, calculates a detection result, sends the detection result to the detection device, and forms a detection report on the detection device to be displayed.
The electric vehicle detection method provided by the embodiment of the invention at least has the following beneficial effects: the cloud platform can acquire vehicle information, and acquire battery information of the vehicle by using the vehicle information and obtain a corresponding detection report.
According to another embodiment of the present invention, the S400 specifically includes the following steps:
s410: the cloud platform acquires one or more of manufacturer information, vehicle type information, battery type and BMS software version information in the first vehicle information, and matches the manufacturer information, the vehicle type information, the battery type and the BMS software version information with second vehicle information stored in the database;
s420: and if one or more of the manufacturer information, the vehicle type information, the battery type and the BMS software version information are matched with the second vehicle information, automatically matching the communication protocol stored in the database according to the second vehicle information.
According to other embodiments of the invention, the parameter information comprises battery data information and charging data information, and the charging data information comprises current data, voltage data and temperature data of the battery device during charging.
In a second aspect, an embodiment of the present invention provides an electric vehicle detection system: the method comprises the following steps: the system comprises a first information acquisition device, a second information acquisition device, a detection device and a cloud platform, wherein the first information acquisition device and the second information acquisition device are respectively connected with the detection device, the detection device is connected with the cloud platform, the first information acquisition device is used for acquiring vehicle information of an electric vehicle, the second information acquisition device is used for acquiring battery information of the electric vehicle, the detection device is used for detecting the first vehicle information of the electric vehicle and the battery information of the electric vehicle, and the cloud platform is used for storing the vehicle information of the electric vehicle and communication protocol information.
The electric vehicle detection system provided by the embodiment of the invention at least has the following beneficial effects: the transmission of the battery data information of the electric automobile can be realized, so that the battery data information in the electric automobile can be accurately acquired in real time.
According to other embodiments of the invention, the information acquisition device comprises a wired information acquisition module and/or a wireless information acquisition module.
According to another embodiment of the invention, the wired information acquisition module is connected to the detection device and is used for acquiring the first vehicle information in a wired communication mode, and the wired communication mode includes one or more of a CAN bus communication mode, an RS485 bus communication mode and an RS232 bus communication mode.
According to another embodiment of the invention, the wireless information acquisition module is connected to the detection device and used for acquiring vehicle information in a wireless communication mode, wherein the wireless communication mode includes one or more of bluetooth communication, wireless data communication, WIFI communication and Zigbee communication.
According to other embodiments of the invention, the cloud platform stores second vehicle information and a communication protocol matched with the first vehicle information.
According to other embodiments of the invention, the electric vehicle detection system further comprises a battery device, and the battery device is connected with the second information acquisition device.
Drawings
FIG. 1 is a flow chart of an electric vehicle detection method according to an embodiment of the invention;
FIG. 2 is a flowchart of the method of step S400 of FIG. 2;
FIG. 3 is a block diagram of an electric vehicle detection system according to an embodiment of the present invention.
Detailed Description
And (3) OBD: an On-Board Diagnostics vehicle-mounted automatic diagnosis system is a system for monitoring the running state of a vehicle and feeding back abnormality in time.
SIM card: (Subscriber Identity Module) is an IC card held by a mobile Subscriber of the GSM system, and is called a Subscriber Identity card.
VIN code: the (Vehicle Identification Number) Vehicle Identification Number is a unique Number composed of seventeen numbers and used for an automobile, and can identify the manufacturer, engine, chassis serial Number and other performance data of the automobile.
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
In the description of the present invention, if an orientation description is referred to, for example, the orientations or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. If a feature is referred to as being "disposed," "secured," "connected," or "mounted" to another feature, it can be directly disposed, secured, or connected to the other feature or indirectly disposed, secured, connected, or mounted to the other feature.
In the description of the embodiments of the present invention, if "a number" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "greater than", "lower" or "inner" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.
The following examples are developed by taking as an example the battery test of an electric vehicle in practical implementation.
Referring to fig. 1, which is a flowchart of an electric vehicle detection method in an embodiment of the present invention, specifically, the method includes the following steps:
s100: the first information acquisition device acquires first vehicle information;
s200: when the acquisition fails, acquiring first vehicle information by using a code scanning mode;
specifically, when the vehicle cannot upload the vehicle information by itself, the VIN code, license plate information or two-dimensional code information of the vehicle can be scanned by the code scanning gun to acquire the vehicle information, the code scanning information is uploaded to a vehicle information base in the cloud platform through the detection device, the vehicle information of the vehicle in the database is matched, and then the corresponding communication protocol is obtained through matching. And if the database does not have corresponding vehicle information, the first detection is indicated, and the cloud platform updates the vehicle information database information.
S300: uploading the first vehicle information to a cloud platform through a detection device;
s400: the cloud platform automatically matches second vehicle information stored in a database according to the uploaded first vehicle information, and automatically matches a communication protocol stored in the database according to the second vehicle information;
s500: the cloud platform sends the communication protocol to a second information acquisition device through a detection device;
s600: the second information acquisition device is matched with a battery device in the vehicle according to the communication protocol, converts message information uploaded by the vehicle battery into parameter information of the battery, and sends the parameter information to the detection device, and the detection device uploads the parameter information to the cloud platform;
specifically, after a communication protocol corresponding to the vehicle is automatically matched by the cloud platform, the communication protocol is issued to the data acquisition terminal through the charging detection device, the data acquisition terminal translates a message transmitted by the vehicle battery device from the OBD port into various parameter information of the battery device according to the communication protocol, and transmits the parameter information to the detection device for use, and meanwhile, the detection device uploads the various parameter information of the battery device transmitted from the OBD port and the charging data of the battery device acquired by the detection device to the cloud platform.
S700: and the cloud platform receives the parameter information uploaded by the detection device, calculates a detection result, sends the detection result to the detection device, and forms a detection report on the detection device to be displayed.
Specifically, the cloud platform receives parameter information of the battery device uploaded by the detection device, calculates a detection result according to the data model, sends the detection result to the detection device, can directly display the detection result or form a detection report on a display screen of the detection device end, and displays the detection result or the detection report, wherein the parameter information comprises battery data information and charging data information, and the charging data information comprises current data, voltage data and temperature data of the battery device in a charging process.
More specifically, the battery data includes total battery voltage, total current, battery temperature, voltage of a single battery or fault information, and the like, but is not limited to the above parameters, and other battery readable parameters may be uploaded to the detection system or the cloud platform as the battery data.
In another embodiment of the present invention, referring to fig. 2: the method flowchart of step S400 in the above embodiment specifically includes the following steps:
s410: the cloud platform acquires one or more of manufacturer information, vehicle type information, battery type and BMS software version information in the first vehicle information, and matches the manufacturer information, the vehicle type information, the battery type and the BMS software version information with second vehicle information stored in the database;
s420: and if one or more of the manufacturer information, the vehicle type information, the battery type and the BMS software version information are matched with the second vehicle information, automatically matching the communication protocol stored in the database according to the second vehicle information.
Specifically, in the above step, the manufacturer information is preferentially matched, the manufacturer information and the vehicle type information are matched after the manufacturer information is matched, the manufacturer information, the vehicle type information and the battery type information are matched after the manufacturer information and the vehicle type information are matched, and the manufacturer information, the vehicle type information, the battery type information and the BMS software version information are matched after the manufacturer information, the vehicle type information and the battery type information are matched. If one matching mode is unsuccessful, information matching can be performed according to another optimal mode, namely, one information can be used for matching, and a plurality of information combination modes can be used for matching, so that the matching precision is improved. By adopting the implementation mode of carrying out matching layer by layer within a narrow range, the vehicle information base information in the cloud platform and the corresponding communication protocol information base information are matched, so that the matching precision is improved, and the detection precision of the whole detection system is improved.
In an embodiment of the present invention, referring to fig. 3, a block diagram of an electric vehicle detection system in an embodiment of the present invention includes: the system comprises a first information acquisition device, a second information acquisition device, a detection device and a cloud platform, wherein the first information acquisition device and the second information acquisition device are respectively connected with the detection device, the detection device is connected with the cloud platform, the first information acquisition device is used for acquiring vehicle information of an electric automobile, the second information acquisition device is used for acquiring battery information of the electric automobile, the detection device is used for detecting the first vehicle information of the electric automobile and the battery information of the electric automobile, and the cloud platform is used for storing the vehicle information of the electric automobile and communication protocol information.
In another embodiment of the present invention, the information acquiring apparatus includes a wired information acquiring module and/or a wireless information acquiring module.
In another embodiment of the present invention, the wired information obtaining module is connected to the detecting device, and is configured to obtain vehicle information through wired communication; specifically, the wired communication mode includes one or more of a CAN bus communication mode, an RS485 bus communication mode, and an RS232 bus communication mode.
Specifically, the electric automobile is connected with the detection device through the charging gun, wherein the communication mode selected by the charging gun comprises one or any combination of the communication modes.
The charging gun is a direct current charging gun, but the charging gun is not limited to the direct current charging gun, and different charging guns can be selected according to actual application scenes.
In another embodiment of the present invention, the wireless information obtaining module is connected to the detecting device and is configured to obtain the vehicle information through a wireless communication mode, where the communication mode includes one or more of bluetooth, wireless data communication, WIFI communication, and Zigbee communication.
Specifically, any one of the above communication modes can be selected for obtaining the vehicle information of the electric vehicle, any combination of the above communication modes can be selected for communication, meanwhile, the vehicle information can also be obtained by scanning a two-dimensional code or a VIN code on the vehicle, meanwhile, the vehicle information can also be obtained by the detection device through an OBD port of the vehicle, the obtaining of the vehicle information through the OBD port is through the above wireless data communication, and more specifically, a SIM card can be inserted into the wireless information obtaining module, so that the wireless information obtaining module can communicate with the electric vehicle with the SIM card, thereby obtaining the vehicle information;
more specifically, another important function of the wireless information acquisition module is to receive and use the matched communication protocol, so that the information acquisition device can read or interpret various parameters of the battery device in the electric vehicle in real time and upload the parameters to the detection device.
In another embodiment of the present invention, the cloud platform stores second vehicle information and a communication protocol that are matched with the first vehicle information.
The mobile terminal further comprises a battery device, and the battery device is connected with the second information acquisition device.
Specifically, the cloud platform comprises a vehicle information database and a battery communication protocol database, wherein the vehicle information database comprises a plurality of vehicle information and communication protocols, the vehicle information and the communication protocols have mapping relations, and the vehicle information and the communication protocols are mapped to corresponding communication protocols according to information such as manufacturers, vehicle types, battery types and BMS software version numbers of vehicles.
It can be understood that, after the detection device is connected to the electric vehicle through the wired communication manner or the wireless communication manner, the detection device acquires only basic information of the vehicle, such as a vehicle type, a rated voltage of a battery, a rated power of the battery, and the like, but real-time information of operation of the battery of the vehicle cannot be acquired, so that after the electric vehicle, the detection device and the cloud platform are connected, the real-time data information of the battery of the electric vehicle can be read only by matching the vehicle information with a corresponding communication protocol and sending the confirmed communication protocol to the electric vehicle of the second information acquisition device, so as to complete a completed detection process, wherein the second information acquisition device includes a data acquisition instrument and an OBD interface on the electric vehicle.
More specifically, the message in the vehicle information may be selected by the user in the charging protocol of the battery device. When the vehicle can upload the vehicle information by itself, the vehicle information can be directly uploaded to a vehicle information base of the cloud platform through the detection device, and then the vehicle information is matched with the communication protocol information on the cloud platform to obtain a corresponding communication protocol.
According to one embodiment of the invention, automatic acquisition and matching of the vehicle information can be realized, and the vehicle information can be transmitted to the relevant vehicle battery reading interface according to the communication protocol matched with the vehicle information after matching is finished, so that communication between the vehicle battery and the detection system and the cloud platform is realized, and relevant data or parameters of the battery can be read in real time through the detection system.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (9)
1. The electric automobile detection method is characterized by comprising the following steps:
s100: the first information acquisition device acquires first vehicle information;
s200: when the acquisition fails, acquiring first vehicle information by using a code scanning mode;
s300: uploading the first vehicle information to a cloud platform through a detection device;
s400: the cloud platform automatically matches second vehicle information stored in a database according to the uploaded first vehicle information, and automatically matches a communication protocol stored in the database according to the second vehicle information;
s500: the cloud platform sends the communication protocol to a second information acquisition device through a detection device;
s600: the second information acquisition device is matched with a battery device in the vehicle according to the communication protocol, message information uploaded by the vehicle battery is converted into parameter information of the battery, the parameter information is sent to the detection device, and the detection device uploads the parameter information to the cloud platform;
s700: and the cloud platform receives the parameter information uploaded by the detection device, calculates a detection result, sends the detection result to the detection device, and forms a detection report on the detection device to be displayed.
2. The method according to claim 1, wherein the step S400 specifically comprises the following steps:
s410: the cloud platform acquires one or more of manufacturer information, vehicle type information, battery type and BMS software version information in the first vehicle information, and matches the manufacturer information, the vehicle type information, the battery type and the BMS software version information with second vehicle information stored in the database;
s420: and if one or more of the manufacturer information, the vehicle type information, the battery type and the BMS software version information are matched with the second vehicle information, automatically matching the communication protocol stored in the database according to the second vehicle information.
3. The method of claim 1, wherein the parameter information comprises battery data information and charging data information, and the charging data information comprises current data, voltage data and temperature data of the battery device during charging.
4. An electric vehicle detection system for performing the method of any of claims 1-3, comprising: the system comprises a first information acquisition device, a second information acquisition device, a detection device and a cloud platform, wherein the first information acquisition device and the second information acquisition device are respectively connected with the detection device, the detection device is connected with the cloud platform, the first information acquisition device is used for acquiring vehicle information of an electric vehicle, the second information acquisition device is used for acquiring battery information of the electric vehicle, the detection device is used for detecting the first vehicle information of the electric vehicle and the battery information of the electric vehicle, and the cloud platform is used for storing the vehicle information of the electric vehicle and communication protocol information.
5. The electric vehicle detection system according to claim 4, wherein the information acquisition device comprises a wired information acquisition module and/or a wireless information acquisition module.
6. The electric vehicle detection system of claim 5, wherein the wired information acquisition module is connected to the detection device and configured to acquire the first vehicle information through wired communication, and the wired communication includes one or more of a CAN bus communication mode, an RS485 bus communication mode, and an RS232 bus communication mode.
7. The electric vehicle detection system of claim 5, wherein the wireless information acquisition module is connected to the detection device and configured to acquire vehicle information through a wireless communication mode, and the wireless communication mode includes one or more of Bluetooth communication, wireless data communication, WIFI communication and Zigbee communication.
8. The electric vehicle detection system according to claim 4, wherein the cloud platform stores second vehicle information and a communication protocol matching the first vehicle information.
9. The system of claim 4, further comprising a battery device, wherein the battery device is connected to the second information acquisition device.
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