CN115729219A - One-to-many networking test system and method based on intelligent driving area controller - Google Patents
One-to-many networking test system and method based on intelligent driving area controller Download PDFInfo
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- CN115729219A CN115729219A CN202211508735.6A CN202211508735A CN115729219A CN 115729219 A CN115729219 A CN 115729219A CN 202211508735 A CN202211508735 A CN 202211508735A CN 115729219 A CN115729219 A CN 115729219A
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Abstract
The invention relates to the technical field of domain controller testing, in particular to a one-to-many networking testing system and method based on an intelligent driving domain controller. The system comprises an industrial personal computer, an Ethernet switch, a router, a vehicle-mounted Ethernet converter and a temperature control box; the number of the routers and the vehicle-mounted Ethernet converters is matched with the number of the domain controllers to be tested; the network ports of the routers are respectively connected with the ports of the industrial personal computer through Ethernet switches, the local area network ports are respectively connected with the corresponding domain controllers through vehicle-mounted Ethernet converters, and the routers are provided with virtual server functions and used for bringing the corresponding domain controllers into the local area network and distinguishing different domain controllers through different router IPs; and the bandwidth adjusting port of each vehicle-mounted Ethernet converter is respectively connected with the industrial personal computer. The invention has high communication efficiency, good real-time performance and good equipment compatibility.
Description
Technical Field
The invention relates to the technical field of domain controller testing, in particular to a one-to-many networking testing system and method based on an intelligent driving domain controller.
Background
Along with the development of automobile intellectualization, the vehicle-mounted domain controller also develops towards the direction of intellectualization and integration, the system of a single domain controller becomes more complex, the function of the single domain controller becomes more powerful, and the equipped hardware resource becomes more abundant. With the performance improvement and the application scene upgrading, the data volume to be processed by the domain controller is larger and larger, the traditional CAN communication cannot meet the requirement of mass data transmission, and the domain controller with the Ethernet function is produced accordingly. At present, the requirement of a car factory client on a cooker aging test of a domain controller is higher and higher, for example, the requirement is that the client communicates with the domain controller in the cooker process, mutually receives and transmits instructions, transmits recorded data and the like.
When the functions are realized by using the Ethernet, the problem that a single industrial personal computer needs to be connected with a plurality of domain controllers with the same IP at the same time is often encountered, and if the single industrial personal computer is connected with all the domain controllers at the same time, the source and the destination of data cannot be distinguished because the IPDs of the domain controllers are the same. For such problems, the past networking solutions usually use a single industrial personal computer network port to connect to the public end of the program control switch board card, and then connect out by multiple groups of switches respectively to connect to multiple domain controllers. When the industrial personal computer works, the control board switches of the industrial personal computer are turned on in turn, and the network ports of the industrial personal computer are connected among different products in turn, so that polling communication of the products is realized. However, in the test mode, the industrial personal computer is required to control the board switches to be turned on in turn to poll products, the communication efficiency is low, the real-time performance is poor, and the Ethernet cables are switched through the switch boards and accumulated at the switch boards, so that the communication stability is poor. Meanwhile, because the bandwidth of the Ethernet converter is fixed, the networking of equipment or products with different bandwidths is limited, if the bandwidth needs to be switched, the equipment needs to be re-developed, or the Ethernet converter needs to be replaced manually, so that the equipment compatibility is poor, and the cost is high.
Disclosure of Invention
The invention provides a one-to-many networking test system and method based on an intelligent driving area controller, aiming at solving the technical problems of low communication efficiency, poor real-time performance, poor equipment compatibility and high cost in the one-to-many networking test of a single industrial personal computer in the current and control machine stewing test.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a pair of multi-group network test system based on an intelligent driving area controller comprises an industrial personal computer, an Ethernet switch, a router, a vehicle-mounted Ethernet converter and a temperature control box; the number of the routers and the number of the vehicle-mounted Ethernet converters are matched with the number of the domain controllers to be tested; the network ports of the routers are respectively connected with the ports of the industrial personal computer through Ethernet switches, the local area network ports are respectively connected with the corresponding domain controllers through vehicle-mounted Ethernet converters, and the routers are provided with virtual server functions and used for bringing the corresponding domain controllers into the local area network so as to distinguish different domain controllers through different router IPs; the bandwidth adjusting port of each vehicle-mounted Ethernet converter is respectively connected with an industrial personal computer; the industrial personal computer is used for being in communication connection with the domain controllers in different router local area networks in the pot machine test of the domain controllers, switching the bandwidths of the different domain controllers, controlling the test process, and performing transceiving instruction communication test and recording on the plurality of domain controllers.
The system further comprises a test fixture and a program-controlled power supply, wherein the test fixture is used for fixing the domain controller and providing an equipment hardware resource interface, and the program-controlled power supply is used for supplying power to the domain controller in the temperature control box.
Further, the ethernet switch adopts a standard switching mode.
Further, the LAN port of the industrial personal computer is connected with the switching port of the Ethernet switch, and the WAN port of each router is respectively connected with the other switching ports of the Ethernet switch.
Furthermore, the WAN port IP of the router and the network port of the industrial personal computer are in the same network segment.
Furthermore, the LAN port of each router is connected to the LAN port of the corresponding domain controller via a vehicle-mounted ethernet converter.
Furthermore, the temperature control box is a high-low temperature cooker furnace, and when the domain controller is subjected to cooker test, the temperature in the furnace can be controlled to rise and fall, wherein the temperature range is-45-85 ℃, and the temperature control box is used for providing a high-low temperature environment to perform cooker test on the domain controller.
Furthermore, WAN port IPs of each router are different, and the industrial personal computer distinguishes controllers in different domains according to the WAN port IPs of the routers, so that simultaneous communication of the controllers in different domains is realized.
On the other hand, the invention also provides a one-to-many network testing method based on the intelligent driving area controller, which is applied to the one-to-many network testing system based on the intelligent driving area controller, and the method comprises the following steps:
s1, placing a domain controller on a test fixture, connecting the domain controller with an interface of the test fixture, and determining an identification number of the domain controller;
s2, starting a cooker machine for testing, supplying power by a program-controlled power supply, and controlling the program of a temperature control box to be started;
and S3, the industrial personal computer communicates with the domain controllers through the router and the vehicle-mounted Ethernet converter, receives and transmits the current state parameters of the plurality of domain controllers, judges whether the parameters meet the requirements or not, and stores and uploads test data after the machine cooking is finished.
Further, the state parameters of the domain controller include IC temperature, current, and run time.
The router is additionally arranged between the industrial personal computer and the domain controllers, each domain controller corresponds to one router, and in the machine cooking process, the industrial personal computer distinguishes different domain controllers by defining the WAN port IP of the router, so that the industrial personal computer can simultaneously transmit data and receive and send instructions with all the domain controllers in the local area network at any time without waiting for equipment to switch channels, and the mode has high communication efficiency and good real-time performance. Meanwhile, the industrial personal computer is directly connected with the vehicle-mounted Ethernet converter in a program-controlled manner, and the industrial personal computer directly controls the Ethernet converter to remotely switch the bandwidth, so that networking among devices or products with different bandwidths is realized, the bandwidth limitation is eliminated, a plurality of sets of devices with different bandwidths are not required to be developed, or the Ethernet converter is manually replaced, and the device compatibility is good.
Drawings
Fig. 1 is a structural diagram of a one-to-many multi-network testing system based on an intelligent driving area controller in an embodiment of the present invention.
Fig. 2 is a system network configuration diagram in one embodiment of a test system in an embodiment of the present invention.
FIG. 3 is a flowchart illustrating the operation of the test system according to an embodiment of the present invention
Fig. 4 is a structural flow chart of a one-to-many networking test method based on an intelligent driving area controller in the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, if any, are used in the orientations and positional relationships indicated in the drawings only for the convenience of describing the present application and for simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Example one
Fig. 1 shows a structure diagram of a one-to-many multi-network test system based on an intelligent driving area controller in the embodiment.
Referring to fig. 1, the embodiment provides a pair of multi-network testing systems based on an intelligent driving area controller, and the testing systems specifically include an industrial personal computer, an ethernet switch, a router, a vehicle-mounted ethernet converter and a temperature control box; in the aspect of functions, the industrial personal computer is used for communicating with the domain controller to carry out communication testing on the domain controller. The Ethernet switch is mainly used for expanding an interface for the industrial personal computer, so that the industrial personal computer can be connected with a plurality of routers at the same time, the routers are connected with the industrial personal computer, corresponding domain controllers are accessed into a local area network, the IP of the domain controllers is replaced by the IP of WAN ports of the routers, the IP of different domain controllers is distinguished by defining the IP of the routers, and the follow-up industrial personal computer can be connected with the domain controllers for testing in a communication mode at the same time. The vehicle-mounted Ethernet converter is mainly used for connecting a router and a domain controller and converting common Ethernet signals into vehicle-mounted Ethernet signals. The temperature control box is a high-low temperature cooker furnace and is used for controlling the temperature in the furnace to provide the testing temperature for the domain controller when the domain controller is used for cooker testing.
In the specific structural aspect, as shown in fig. 1, the domain controllers to be tested are arranged in the temperature control box, and the number of the routers and the number of the vehicle-mounted ethernet converters are matched with the number of the domain controllers to be tested; the network ports of the routers are respectively connected with the ports of the industrial personal computer through Ethernet switches, the local area network ports are respectively connected with the corresponding domain controllers through vehicle-mounted Ethernet converters, and the routers are provided with virtual server functions and used for bringing the corresponding domain controllers into the local area network so as to distinguish different domain controllers through different router IPs; the bandwidth adjusting port of each vehicle-mounted Ethernet converter is respectively connected with an industrial personal computer; the industrial personal computer is used for being in communication connection with the domain controllers in different router local area networks in the pot machine test of the domain controllers, switching the bandwidths of the different domain controllers, controlling the test process, and performing transceiving instruction communication test and recording on the plurality of domain controllers.
Preferably, the system further comprises a test fixture and a programmable power supply, wherein the test fixture is used for fixing the domain controller and providing an equipment hardware resource interface, and the programmable power supply is used for supplying power to the domain controller in the temperature control box.
More specifically, when the system is built, a network port of the industrial personal computer is connected to any one switching port of the Ethernet switch, the switching ports of the other Ethernet switches are connected to a WAN port of the router, a LAN port of the router is connected to an RJ45 port of the vehicle-mounted Ethernet converter, the other end of the vehicle-mounted Ethernet converter is connected to an Ethernet port of the domain controller through the test fixture, the programmable power supply is also connected to a power supply port of the domain controller through the test fixture, one domain controller corresponds to one router and one vehicle-mounted Ethernet converter, and the industrial personal computer is connected with the vehicle-mounted Ethernet converter through a control line, so that the vehicle-mounted Ethernet converter is controlled to switch the bandwidth of the domain controller.
For better operation experience, a specific network configuration manner of the test system of this embodiment is provided, please refer to fig. 2, in this embodiment, 24 domain controllers are tested simultaneously, and specific settings are as follows:
1. the network port of the industrial personal computer is set to be in a common Ethernet mode, the IP address is not much the same as the IP of the WAN port of the router, but is in the same network segment, for example, in the embodiment, the network port of the industrial personal computer is set to be 192.168.0.100 of IP, and the network port of the industrial personal computer is set to be 255.255.255.255.0 of Netmask.
2. The Ethernet switch is set to a standard switching mode;
3. the industrial router needs to support a VLAN marking function, the IP of a WAN port is in the same network segment with the network port of the industrial personal computer, the IP of 24 routers is set to be 192.168.0.101-124, and the IP is increased from 101 to 124, so that programming and management are convenient. The subnet masks are all set to be Netmask of 255.255.255.0;
4. the LAN port of the router is directly connected with the domain controller after passing through the vehicle-mounted Ethernet converter, so the IP of the LAN port needs to be set as the gateway address of the domain controller, the IP is set as 172.31.3.1 in the embodiment, and the port is set as a VLAN TAG mode;
5. the router needs to set a virtual server function, firstly sets a rule name in a self-defined mode, then selects an effective port as a WAN port, sets an external port number according to a certain rule as much as possible in a self-defined mode according to requirements, is convenient to program and manage, sets an internal port as an attribute of a domain controller according to the port number of the domain controller, generally defaults to 22, sets an IP (Internet protocol) address of the internal server as the IP address of the domain controller, stores the setting and starts the internal server.
After the network configuration is completed, the industrial personal computer can distinguish 24 domain controllers through 24 IPs of the router, in the testing process, the industrial personal computer is in communication connection with the 24 domain controllers respectively, the domain controllers in the temperature control box are tested in a mode of mutually receiving and sending instructions and transmitting recorded data, and whether the parameters of the domain controllers are in a normal state or not is judged.
The benefits of this embodiment are as follows:
(1) The communication efficiency is high: the test system in the embodiment is used for networking, the domain controller establishes and keeps a connection state with the equipment after being powered on and started, and the industrial personal computer can directly transmit data and receive and send instructions with any domain controller in the local area network without waiting for reconnection of the equipment and the domain controller for communication.
(2) The real-time property is as follows: by adopting the technical scheme, networking is carried out, the industrial personal computer can simultaneously carry out data transmission and instruction receiving and sending with all domain controllers in the local area network at any moment, and waiting for equipment to switch channels is not needed.
(3) The communication stability is good: networking is carried out through this patent scheme, and the ethernet line need not to destroy original dress state, also need not the switching through the switch integrated circuit board, and communication stability is good.
(4) Compatibility is high, and cost is low: this patent is through the long-range bandwidth switching that carries on of industrial computer direct control ethernet converter, has realized carrying out the network deployment between the equipment or the product of different bandwidths, breaks away from the bandwidth restriction, need not to develop the equipment of many sets of different bandwidths, perhaps changes the ethernet converter by the manual work, and equipment compatibility is good.
Example two
The embodiment also provides a one-to-many multi-network test system based on the intelligent driving area controller, and the difference from the embodiment is that the embodiment also provides some specific implementation manners.
Preferably, the ethernet switch employs a standard switching mode. In addition, the LAN port of the industrial personal computer is connected with the switching port of the Ethernet switch, and the WAN port of each router is respectively connected with the other switching ports of the Ethernet switch.
Preferably, the WAN port IP of the router and the network port of the industrial personal computer are in the same network segment, and the LAN port of each router is connected with the LAN port of the corresponding domain controller through the vehicle-mounted Ethernet converter. The WAN port IP of each router is different, and the industrial personal computer distinguishes controllers in different domains according to the WAN port IP of the router, so that simultaneous communication of the controllers in different domains is realized.
Preferably, the temperature control box is a high-low temperature cooker furnace, and the temperature in the furnace can be heated and cooled in a program control manner in the pot testing of the domain controller, wherein the temperature range is-45-85 ℃, and the temperature control box is used for providing high-low temperature environment for the pot testing of the domain controller.
Referring to fig. 3, fig. 3 is a flowchart illustrating a work flow of the one-to-many networking test system of the intelligent driving area controller in the embodiment.
After the system is tested after the collocation, the steps of testing the domain controller are as follows:
(1) Initializing a system, including program-controlled power initialization, temperature control box setting parameter initialization, industrial personal computer network port setting initialization, vehicle-mounted Ethernet converter bandwidth setting, ethernet link connectivity inspection and process data initialization;
(2) Placing the domain controller on a cooker equipment fixture;
(3) The connection domain controller and the clamp interface comprise a power supply interface and an Ethernet interface;
(4) Scanning a two-dimensional code of a domain controller on a test fixture in a temperature control box, wherein the two-dimensional code is a unique identification code, and recording a domain controller code at a corresponding position by a program for subsequent data and result recording;
(5) Closing the equipment door of the cooker after the scanning is finished;
(6) The industrial personal computer controls the power supply to be started, and the domain controller is powered on and started;
(7) The industrial personal computer controls the temperature control program in the temperature control box to be started;
(8) The industrial personal computer is communicated with the domain controller through the local area network system, and receives and transmits state parameters of the current domain controller, including IC temperature, current, running time and the like;
(9) Judging whether the parameters are all in the required range, if the parameters exceed the standard, judging that the machine-cooking test of the domain controller is Fail, otherwise judging that the parameters exceed the standard, reading and judging circularly until the machine-cooking time is achieved:
(10) Storing and uploading test data after the machine stewing time is achieved:
(11) The current test system ends.
EXAMPLE III
Referring to fig. 4, a one-to-many networking test method based on an intelligent driving area controller according to this embodiment is applied to a one-to-many networking test system based on an intelligent driving area controller according to the first embodiment or the second embodiment, and specifically includes:
s1, placing a domain controller on a test fixture, connecting the domain controller with an interface of the test fixture, and determining an identification number of the domain controller;
s2, starting a cooker machine for testing, supplying power by a program-controlled power supply, and controlling the program of a temperature control box to be started;
and S3, the industrial personal computer communicates with the domain controllers through the router and the vehicle-mounted Ethernet converter, receives and transmits current state parameters of the plurality of domain controllers, judges whether the parameters meet the requirements or not, and stores and uploads test data after the machine stewing is finished.
Preferably, the state parameters of the domain controller include IC temperature, current and run time.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. 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 claims of the present invention.
Claims (10)
1. A pair of multi-group network test system based on an intelligent driving area controller is characterized by comprising an industrial personal computer, an Ethernet switch, a router, a vehicle-mounted Ethernet converter and a temperature control box; the number of the routers and the vehicle-mounted Ethernet converters is matched with the number of the domain controllers to be tested; the network ports of the routers are respectively connected with the ports of the industrial personal computer through Ethernet switches, the local area network ports are respectively connected with the corresponding domain controllers through vehicle-mounted Ethernet converters, and the routers are provided with virtual server functions and used for bringing the corresponding domain controllers into the local area network so as to distinguish different domain controllers through different router IPs; the bandwidth adjusting port of each vehicle-mounted Ethernet converter is respectively connected with an industrial personal computer; the industrial personal computer is used for being in communication connection with the domain controllers in different router local area networks in the pot machine test of the domain controllers, switching the bandwidths of the different domain controllers, controlling the test process, and performing receiving and sending instruction communication test and recording on the plurality of domain controllers.
2. The pair of multi-networking test system based on an intelligent driving domain controller according to claim 1, further comprising a test fixture for fixing the domain controller and providing an equipment hardware resource interface, and a programmed power supply for supplying power to the domain controller in the temperature control box.
3. The pair of multi-group network test systems based on intelligent driving domain controller of claim 1, wherein the ethernet switch employs a standard switching mode.
4. The pair of multi-group network test system based on the intelligent driving domain controller as claimed in claim 1, wherein the LAN port of the industrial personal computer is connected with the switching port of the Ethernet switch, and the WAN port of each router is respectively connected with the rest switching ports of the Ethernet switch.
5. The pair of multi-network testing systems based on the intelligent driving domain controller as claimed in claim 4, wherein the WAN port IP of the router and the network port of the industrial personal computer are in the same network segment.
6. The pair of multi-group network test system based on the intelligent driving domain controller as claimed in claim 1, wherein the LAN port of each router is connected with the LAN port of the corresponding domain controller through a vehicle-mounted ethernet converter.
7. The pair of multi-networking test systems based on the intelligent driving domain controller according to claim 1, wherein the temperature control box is a high-low temperature pot machine furnace, and during the pot machine test of the domain controller, the temperature in the furnace can be controlled to increase and decrease in temperature, and the temperature range is-45 ℃ to 85 ℃, so that a high-low temperature environment is provided for the pot machine test of the domain controller.
8. The pair of multi-network test system based on the intelligent driving domain controller as claimed in claim 1, wherein the WAN port IP of each router is different, and the industrial personal computer distinguishes different domain controllers according to the WAN port IP of the router, so as to realize simultaneous communication of the different domain controllers.
9. A one-to-many networking test method based on an intelligent driving domain controller, which is applied to the one-to-many networking test system based on the intelligent driving domain controller of any one of claims 1 to 8, and comprises the following steps:
s1, placing a domain controller on a test fixture, connecting the domain controller with an interface of the test fixture, and determining an identification number of the domain controller;
s2, starting a cooker machine for testing, supplying power by a program-controlled power supply, and controlling the program of a temperature control box to be started;
and S3, the industrial personal computer communicates with the domain controllers through the router and the vehicle-mounted Ethernet converter, receives and transmits the current state parameters of the plurality of domain controllers, judges whether the parameters meet the requirements or not, and stores and uploads test data after the machine cooking is finished.
10. A one-to-many networking test method based on an intelligent driving domain controller is characterized in that state parameters of the domain controller comprise IC temperature, current and running time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211508735.6A CN115729219A (en) | 2022-11-28 | 2022-11-28 | One-to-many networking test system and method based on intelligent driving area controller |
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| CN202211508735.6A CN115729219A (en) | 2022-11-28 | 2022-11-28 | One-to-many networking test system and method based on intelligent driving area controller |
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