CN111866802A - Internet of vehicles communication terminal detection system and method - Google Patents

Internet of vehicles communication terminal detection system and method Download PDF

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Publication number
CN111866802A
CN111866802A CN202010592729.8A CN202010592729A CN111866802A CN 111866802 A CN111866802 A CN 111866802A CN 202010592729 A CN202010592729 A CN 202010592729A CN 111866802 A CN111866802 A CN 111866802A
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China
Prior art keywords
terminal product
product
detected
computer software
upper computer
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Pending
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CN202010592729.8A
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Chinese (zh)
Inventor
杨雪城
连劲
韦军
陈振红
柯丽燕
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Dongfeng Electric Drive Systems Co Ltd
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Dongfeng Electric Drive Systems Co Ltd
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Priority to CN202010592729.8A priority Critical patent/CN111866802A/en
Publication of CN111866802A publication Critical patent/CN111866802A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/40Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/22Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26Functional testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2101/00Indexing scheme associated with group H04L61/00
    • H04L2101/60Types of network addresses
    • H04L2101/618Details of network addresses
    • H04L2101/627Controller area network [CAN] identifiers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention provides a detection system and a detection method for communication terminals of a car networking, wherein the system comprises upper computer software, an industrial personal computer, an electrical control cabinet and a detection clamp, wherein CAN communication protocol content of a whole car is written into the upper computer software, the upper computer software is used for simulating the communication between the whole car and a terminal product to be detected, sequentially detecting the functions of the terminal product to be detected and displaying a detection result; the industrial personal computer is a carrier of the upper computer software and controls the upper computer software to automatically run; the electrical control cabinet is controlled by the upper computer software and is used for receiving commands of the upper computer software and feeding back information to the upper computer software, sending information to the terminal product to be tested and receiving information fed back by the terminal product to be tested; the inspection fixture is a carrier of a terminal product object to be detected and is used for realizing connection between the terminal product to be detected and the detection system. The problem that the existing product detection method is low in efficiency is solved through the scheme, and various functions of the product are automatically tested by simulating vehicle and product communication, so that the detection efficiency is effectively improved, and the reliability of the product is guaranteed.

Description

Internet of vehicles communication terminal detection system and method
Technical Field
The invention relates to the field of equipment detection, in particular to a system and a method for detecting a communication terminal of a vehicle networking.
Background
The vehicle networking communication terminal is used as an important component of vehicle informatization and intellectualization, not only can the functions of vehicle remote control, remote communication, fault alarm, equipment interconnection and the like be realized, but also vehicle information interaction under various conditions is facilitated. In the actual production process, no matter how strict the product design and manufacturing process are, unqualified conditions can exist to a certain extent.
At present, the problem of unqualified communication terminal products is mostly aimed at specific functions of a vehicle network terminal, such as a positioning function and a CAN reading function, the specific functions are respectively tested through special equipment, an industrial personal computer is manually controlled to perform data interaction with the terminal, whether products are qualified or not is judged, and when a large amount of equipment needs to be tested, the detection efficiency is low.
Disclosure of Invention
In view of this, the embodiment of the invention provides a system and a method for detecting a communication terminal in the internet of vehicles, so as to solve the problem of low detection efficiency of the existing terminal.
In a first aspect of the embodiment of the invention, a detection system for a communication terminal of a vehicle networking is provided, which at least comprises upper computer software, an industrial personal computer, an electrical control cabinet and a detection clamp, wherein a terminal product to be detected is placed on the detection clamp to be fixed, the detection clamp is connected with the electrical control cabinet, and the electrical control cabinet is controlled by the upper computer software to send information to the terminal product to be detected and receive feedback information of the terminal product to be detected;
The upper computer software is written with CAN communication protocol content of the whole vehicle, is used for simulating the communication between the whole vehicle and a terminal product to be detected, sequentially detects the functions of the terminal product to be detected and displays the detection result;
the industrial personal computer is a carrier of upper computer software and can control the upper computer software to automatically run;
the electrical control cabinet is controlled by upper computer software and is used for receiving commands of the upper computer software and feeding back information to the upper computer software, sending information to the terminal product to be tested, receiving information fed back by the terminal product to be tested and measuring voltage and current parameters of the terminal product to be tested;
the inspection fixture is a carrier of a terminal product object to be detected and is used for realizing connection between the terminal product to be detected and the detection system.
In a second aspect of the embodiments of the present invention, a method for detecting a communication terminal in a vehicle networking system is provided, including:
placing a terminal product to be tested on a test fixture for fixing;
after the label of the terminal product to be tested is scanned, controlling the upper computer software to automatically run and test;
sending information to a terminal product to be detected through an electrical control cabinet, receiving feedback information of the terminal product to be detected, and sequentially detecting functions of the terminal product to be detected;
And after all the functions are detected, controlling the relevant detection equipment to automatically power off, and displaying the detection result.
In a third aspect of the embodiments of the present invention, an apparatus for detecting a communication terminal in a car networking is provided, which at least includes an industrial personal computer, an electrical control cabinet, and a detection fixture, wherein the industrial personal computer runs an upper computer program, and the electrical control cabinet is controlled by the upper computer program to perform function detection on a terminal product to be detected, and display a detection result.
In the embodiment of the invention, after the automatic operation test is carried out by controlling the upper computer software, the functions of the terminal product to be tested are sequentially detected based on the fact that the electrical control cabinet sends information to the terminal product to be tested and receives feedback information of the terminal product to be tested, wherein the upper computer software simulates the communication between the whole vehicle and the terminal product to be tested and displays the detection result. Therefore, the problem that the existing Internet of vehicles communication terminal is low in testing efficiency is solved, the efficiency of product function detection is improved, unqualified products can be quickly screened out, automatic testing can be realized, and the practical value is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a detection system of a communication terminal in a car networking according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a detection method for a communication terminal in a vehicle networking system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for detecting a communication terminal in a vehicle networking system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
Referring to fig. 1, a schematic structural diagram of a detection system for a communication terminal in a car networking according to an embodiment of the present invention at least includes upper computer software, an industrial personal computer, an electrical control cabinet, and a detection fixture, where a terminal product to be detected is placed on the detection fixture for fixing, the detection fixture is connected to the electrical control cabinet, the electrical control cabinet is controlled by the upper computer software to send information to the terminal product to be detected, and receive feedback information of the terminal product to be detected;
Preferably, whether the product function meets the preset requirement or not is judged by simulating the interaction of the whole vehicle environment and the vehicle networking communication terminal so as to meet the customer requirement.
The upper computer software 110 is written with the content of a CAN communication protocol of the whole vehicle, and is used for simulating the communication between the whole vehicle and a terminal product to be detected, sequentially detecting the functions of the terminal product to be detected and displaying the detection result;
the upper computer software is compiled according to the product function detection requirements, and can meet the requirement of automatic interaction of a detection system and a vehicle network terminal product.
Optionally, the upper computer software 110 detects all function items of the terminal product to be detected, and when any function is detected to be unqualified, the upper computer software stops running and displays a detection result, wherein the function items at least include a CAN calibration function, a CAN reading function, a switching value response function, a 4G positioning function, a GPS positioning function and a quiescent current detection function.
Wherein, it includes to detect terminal product function in proper order:
CAN calibration function: the equipment sends CAN data to the product through a value CAN according to a CAN communication protocol, and the ID, the SIM card number, the VIN and the IP of the product are calibrated in the product;
CAN reads the function: the equipment sends CAN data to the product through the value CAN according to a CAN communication protocol, reads parameters in the product, CAN judge whether CAN communication is normal on one hand, and CAN verify whether calibrated parameters are correct on the other hand.
Switching value response function: the equipment sends high and low levels to the product through the programmable power supply to simulate signals of left and right steering, backing, braking, alarming and the like of the whole vehicle, and the product can reply corresponding information to the equipment when responding;
4G positioning function: the built-in SIM card starts to work after the product is electrified, and the SIM card can be connected to the Dongfeng Internet of vehicles platform according to design requirements. During detection, the equipment queries the SIM card connection state of the product by sending CAN data to the product, and judges whether the product is qualified;
GPS/big dipper locate function: the built-in positioning module starts to work after the product is electrified, and the product is required to have satellite positioning, and the number of satellites is more than or equal to 4. During detection, the equipment queries the satellite positioning state and the satellite number of the product by sending CAN data to the product, and judges whether the product is qualified;
and (3) static current detection: the design requires that the current of the product is less than 10mA in a silent state after the ignition power supply is turned off, the equipment automatically turns off the ignition power supply of the product during detection, then the current of the product is measured through the programmable power supply, and whether the product is qualified is judged according to the measured data.
Optionally, the upper computer software 110 includes a parameter display module and a parameter setting module, the parameter display module is configured to read and display parameters of the terminal product to be tested, and store the parameters of the terminal product to be tested into the detection record, and the parameter setting module is configured to set parameters of a standard product, and determine whether the terminal product to be tested is qualified according to the parameters of the standard product.
Illustratively, the software runs automatically, with sequential testing from top to bottom. When each item of detection is qualified, displaying a green qualified word on a detection interface; when one detection item is unqualified, the software stops running and displays the red unqualified character.
The industrial personal computer 120 is a carrier of upper computer software and can control the upper computer software to automatically run;
the upper computer software is installed on the industrial personal computer and can trigger the operation of the upper computer software under specific conditions.
The electrical control cabinet 130 is controlled by upper computer software and is used for receiving commands of the upper computer software and feeding back information to the upper computer software, sending information to a terminal product to be tested, receiving information fed back by the terminal product to be tested and measuring voltage and current parameters of the terminal product to be tested;
wherein, the standard devices of the electrical control cabinet 130 at least include a valueCAN, a programmed power supply, a relay, an electric wire and the like.
The inspection fixture 140 is a carrier of a real object of the terminal product to be inspected, and is used for realizing connection between the terminal product to be inspected and the inspection system.
The inspection fixture is formed by machining according to the appearance of the communication terminal product of the Internet of vehicles, and the product is placed in the inspection fixture and is connected with the electrical control cabinet through a wire harness after being fixed.
In general, the inspection jig may include various types, and may generally be composed of a positioning device, a clamping device, a transmission device, a motion guide device, and other auxiliary elements.
The system provided by the embodiment automatically calibrates parameters such as an ID (identity), an SIM (subscriber identity module) card number and an IP (Internet protocol) of a terminal product by simulating interaction of the whole vehicle and a vehicle networking communication terminal product, and then detects a CAN (controller area network) communication function, a switching value response function, a satellite positioning function, a 4G platform connection function and the like of the product, automatically displays a detection result after software runs, effectively screens out unqualified products, and improves reliability and detection efficiency of a test product.
Fig. 2 is a schematic flow chart of a method for detecting a communication terminal in the internet of vehicles according to a second embodiment of the present invention, including:
s201, placing a terminal product to be tested on a test fixture for fixing;
s202, after the label of the terminal product to be tested is scanned, controlling the upper computer software to automatically run and test;
optionally, the upper computer software detects all functional items of the terminal product to be detected, and when any one of the functional items is unqualified, the upper computer software stops running and displays a detection result, wherein the functional items at least comprise a CAN calibration function, a CAN reading function, a switching value response function, a 4G positioning function, a GPS positioning function and a quiescent current detection function.
S203, sending information to a terminal product to be detected through an electrical control cabinet, receiving feedback information of the terminal product to be detected, and sequentially detecting functions of the terminal product to be detected;
wherein, the standard device of electrical control cabinet includes at least value CAN, program control power supply, relay and electric wire.
Optionally, the sequentially detecting the functions of the terminal product to be detected further includes:
reading and displaying parameters of the terminal product to be detected, and storing the parameters of the terminal product to be detected into a detection record; and setting standard product parameters, and judging whether the terminal product to be detected is qualified or not according to the standard product parameters.
And S204, controlling related detection equipment to automatically power off after all functions are detected, and displaying the detection result.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
In an embodiment, as shown in fig. 3, the device for detecting the communication terminal of the internet of vehicles at least comprises an industrial personal computer, an electrical control cabinet and a detection fixture, wherein the industrial personal computer runs an upper computer program, the electrical control cabinet is controlled by the upper computer program to perform function detection on a terminal product to be detected, and a detection result is displayed, wherein the industrial personal computer comprises an industrial personal computer host and an industrial personal computer display.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. A detection system for communication terminals of the Internet of vehicles at least comprises upper computer software, an industrial personal computer, an electrical control cabinet and a detection clamp, and is characterized in that a terminal product to be detected is placed on the detection clamp to be fixed, the detection clamp is connected with the electrical control cabinet, and the electrical control cabinet is controlled by the upper computer software to send information to the terminal product to be detected and receive feedback information of the terminal product to be detected;
the upper computer software is written with CAN communication protocol content of the whole vehicle, is used for simulating the communication between the whole vehicle and a terminal product to be detected, sequentially detects the functions of the terminal product to be detected and displays the detection result;
the industrial personal computer is a carrier of upper computer software and can control the upper computer software to automatically run;
The electrical control cabinet is controlled by upper computer software and is used for receiving commands of the upper computer software and feeding back information to the upper computer software, sending information to the terminal product to be tested, receiving information fed back by the terminal product to be tested and measuring voltage and current parameters of the terminal product to be tested;
the inspection fixture is a carrier of a terminal product object to be detected and is used for realizing connection between the terminal product to be detected and the detection system.
2. The system of claim 1, wherein the electrical control cabinet standard components include at least a value can, a programmed power supply, a relay, and electrical wires.
3. The system according to claim 1, wherein the upper computer software detects all functional items of the terminal product to be detected, and when any one of the functional items is unqualified, the upper computer software stops running and displays the detection result, wherein the functional items at least comprise a CAN calibration function, a CAN reading function, a switching value response function, a 4G positioning function, a GPS positioning function and a quiescent current detection function.
4. The system according to claim 1, wherein the upper computer software comprises a parameter display module and a parameter setting module, the parameter display module is used for reading and displaying parameters of the terminal product to be tested and saving the parameters of the terminal product to be tested into the detection record, and the parameter setting module is used for setting parameters of a standard product and judging whether the terminal product to be tested is qualified or not according to the parameters of the standard product.
5. A detection method for a communication terminal in the Internet of vehicles is characterized by comprising the following steps:
placing a terminal product to be tested on a test fixture for fixing;
after the label of the terminal product to be tested is scanned, controlling the upper computer software to automatically run and test;
sending information to a terminal product to be detected through an electrical control cabinet, receiving feedback information of the terminal product to be detected, and sequentially detecting functions of the terminal product to be detected;
and after all the functions are detected, controlling the relevant detection equipment to automatically power off, and displaying the detection result.
6. The method of claim 5, wherein the electrical control cabinet standard components include at least a value CAN, a programmed power supply, a relay and electrical wires.
7. The method according to claim 5, wherein the upper computer software detects all functional items of the terminal product to be detected, and when any one of the functional items is unqualified, the upper computer software stops running and displays the detection result, wherein the functional items at least comprise a CAN calibration function, a CAN reading function, a switching value response function, a 4G positioning function, a GPS positioning function and a quiescent current detection function.
8. The method according to claim 5, wherein the sequentially detecting the functions of the terminal products to be tested further comprises:
Reading and displaying parameters of the terminal product to be detected, and storing the parameters of the terminal product to be detected into a detection record;
and setting standard product parameters, and judging whether the terminal product to be detected is qualified or not according to the standard product parameters.
9. The utility model provides an equipment for car networking communication terminal detects, includes industrial computer, electrical control cabinet, inspection anchor clamps at least, its characterized in that, the industrial computer operation has the host computer program, through host computer program control electrical control cabinet carries out the function detection to the terminal product that awaits measuring to show the testing result.
CN202010592729.8A 2020-06-24 2020-06-24 Internet of vehicles communication terminal detection system and method Pending CN111866802A (en)

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CN202010592729.8A CN111866802A (en) 2020-06-24 2020-06-24 Internet of vehicles communication terminal detection system and method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113741386A (en) * 2021-07-29 2021-12-03 东风电驱动系统有限公司 Automatic program writing and function detection device and method for circuit board of vehicle control unit
CN116261165A (en) * 2023-05-09 2023-06-13 江铃汽车股份有限公司 Reliability test method and system for Internet of vehicles module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360046A (en) * 2011-07-22 2012-02-22 株洲南车时代电气股份有限公司 General test method for motor vehicle electrical product
WO2014079267A1 (en) * 2012-11-23 2014-05-30 中兴通讯股份有限公司 Automatic test method, device and system for infrared remote control device
CN107391211A (en) * 2017-08-17 2017-11-24 昌辉汽车电气系统(安徽)有限公司 The general detection traceability system and method for a kind of intelligent switch group
CN109683596A (en) * 2019-03-04 2019-04-26 内蒙古一机集团宏远电器股份有限公司 A kind of cab signal collector detection device
CN110618910A (en) * 2019-08-27 2019-12-27 中国第一汽车股份有限公司 Test system and method
CN110830971A (en) * 2019-11-25 2020-02-21 航天科技控股集团股份有限公司 Bluetooth function detection method of vehicle-mounted entertainment terminal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360046A (en) * 2011-07-22 2012-02-22 株洲南车时代电气股份有限公司 General test method for motor vehicle electrical product
WO2014079267A1 (en) * 2012-11-23 2014-05-30 中兴通讯股份有限公司 Automatic test method, device and system for infrared remote control device
CN107391211A (en) * 2017-08-17 2017-11-24 昌辉汽车电气系统(安徽)有限公司 The general detection traceability system and method for a kind of intelligent switch group
CN109683596A (en) * 2019-03-04 2019-04-26 内蒙古一机集团宏远电器股份有限公司 A kind of cab signal collector detection device
CN110618910A (en) * 2019-08-27 2019-12-27 中国第一汽车股份有限公司 Test system and method
CN110830971A (en) * 2019-11-25 2020-02-21 航天科技控股集团股份有限公司 Bluetooth function detection method of vehicle-mounted entertainment terminal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113741386A (en) * 2021-07-29 2021-12-03 东风电驱动系统有限公司 Automatic program writing and function detection device and method for circuit board of vehicle control unit
CN116261165A (en) * 2023-05-09 2023-06-13 江铃汽车股份有限公司 Reliability test method and system for Internet of vehicles module
CN116261165B (en) * 2023-05-09 2024-02-09 江铃汽车股份有限公司 Reliability test method and system for Internet of vehicles module

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