CN111445751A - Automobile electric control simulation system and method - Google Patents
Automobile electric control simulation system and method Download PDFInfo
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- CN111445751A CN111445751A CN202010304237.4A CN202010304237A CN111445751A CN 111445751 A CN111445751 A CN 111445751A CN 202010304237 A CN202010304237 A CN 202010304237A CN 111445751 A CN111445751 A CN 111445751A
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Abstract
The invention relates to the technical field of automobile electric control simulation detection, in particular to an automobile electric control simulation system and method. The automobile electric control simulation system and method provided by the invention are beneficial to firming the relevant foundation of the new energy automobile by learning the principle of the automobile electric control system and combining with the practical operation practice, are helpful to development, test, technical support, maintenance and the like of the new energy automobile in the later period, are in a learning mode of integrating management and practice, are deeper in understanding aiming at knowledge, and can also realize mobility on the application of relevant knowledge to the real automobile.
Description
Technical Field
The invention relates to the technical field of automobile electric control simulation detection, in particular to an automobile electric control simulation system and method.
Background
A new round of scientific and technological revolution and industrial transformation and inoculation are started, and the development of the new energy automobile industry brings unprecedented new transformation and new kinetic energy for the automobile industry and new opportunities for remodeling the world automobile energy pattern, coping with global climate change and realizing sustainable development of the automobile industry.
As early as 2012, china promulgated development plans for energy-saving and new energy automobile industries. By the end of 2018, the new energy automobiles in China keep 290 thousands of vehicles, wherein the passenger vehicles account for 75%, the passenger vehicles account for 17.5%, and the trucks account for 7.3%. The development trends of electromotion, intellectualization and sharing are analyzed by persons in the industry, and the automobile industry is promoted to be comprehensively changed in the aspects of energy power, production, operation, sale, use and the like. As for the electric driving, the market conditions in recent years show that the electric automobile with high driving efficiency, zero emission and more cost saving is popular with consumers and better meets the requirements of green, low carbon and sustainable development. At present, Shenzhen has taken the lead to basically realize the electromotion of public transport and leasing in cities, and cities such as Beijing, Shanghai, Hangzhou and the like also accelerate the electromotion of public transport, leasing and shared cars in cities.
And the coming of the 5G era is bringing about deep changes to the new energy automobile industry. With the increasing enhancement of related technologies and industrial advantages of 5G mobile communication, navigation systems, sensing technologies, intelligent traffic, energy infrastructure and the like, the intelligent internet and automatic driving technologies will be in the fast development stage in the coming years, and the industrial chain of the existing automobile is greatly expanded. The industry people predict that future intellectualization is recombination between various emerging industries and new and old industries, and the combination of smart cities, smart traffic and novel energy can accelerate the intellectualization process and develop a brand-new development field. For the field of new energy automobiles, with the improvement of automatic driving levels, interconnection from information interconnection and vehicle road networking to interconnection among vehicles, networks, roads and energy sources is realized.
The shared economy is also bringing growth opportunity for new energy automobiles. Only one mobile phone is needed to be used for getting on the road at any time; the combination of time-sharing leasing, less-than-money-round driving dream … … of new energy vehicles and sharing economy creates a new vehicle consumption model and also forms a new fashion among young people. On the city street, the shared automobile and the network appointment car are together with the urban public transport to build a convenient and fast urban transport system. The new automobile consumption mode can link the new energy automobile with remote traffic such as high-speed rail aviation, meet diversified traffic needs and effectively relieve urban traffic jam.
The new energy automobile market is still in the initial development stage at present, but a standardized and unified simulation test control system for the automobile market is not available on the market at present, the aspects of industrial standards, specifications and the like are not perfect, consumers have higher expectations for the quality and safety of electric vehicles, and the demand for professional talents of automobiles is increased, so that a lot of colleges and institutions set up special courses for automobiles, but because each system in the automobile is relatively complex and has higher operability requirements, not only theoretical teaching needs to be combined, but also physical demonstration needs to be combined, so that certain difficulty is brought to classroom teaching; at present, knowledge explanation and pictures are mainly combined, so that a good teaching effect is difficult to realize, and the requirement of strong practicability of an innovative automobile talent training mode is not facilitated. The electric control equipment in the electric automobile is used as an important component of the electric automobile, and the requirement for demonstration teaching and practical training of the electric control device in the electric automobile is difficult to meet in the prior art, so that the control technology of the electric control system is one of key technologies for the learning of the new energy automobile technology.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems in the prior art, an improved electronic control simulation system for a vehicle and a method thereof are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a be used for automatically controlled analog system of car, including left headlamp module, right headlamp module, combination instrument system module, left front door module, right front door module, automobile body BCM windscreen wiper module, steering column lighting system module, lighting system module in the car, automobile body anti-theft system module, left back door module, right back door module, gateway system module, left back car light module, right back car light module, back a car radar module, a table surface that is used for the installation module, install portable little rack and CAN analysis appearance at table surface lower extreme.
Further, left headlight module, right headlight module, left back car light module, right back car light module, interior lighting system module of car and steering column light system module include:
the headlamp ECU is internally provided with a headlamp CAN communication module, a headlamp MCU processing module and a headlamp output execution module;
the headlamp, the headlamp test port terminal and the headlamp serial port display screen are respectively connected with the left headlamp ECU and the right headlamp ECU;
the rear vehicle lamp ECU is internally provided with a rear vehicle lamp CAN communication module, a rear vehicle lamp MCU processing module and a rear vehicle lamp output execution module;
the rear automobile lamp, the rear automobile lamp test port terminal and the rear automobile lamp serial port display screen are respectively connected with the left rear automobile lamp ECU and the right rear automobile lamp ECU;
the vehicle interior lighting ECU is internally provided with a vehicle interior lighting CAN communication module, a vehicle interior lighting MCU processing module and a vehicle interior lighting output execution module;
the interior lighting light source, the interior lighting test port terminal and the interior lighting serial port display screen are respectively connected with the interior lighting ECU;
the steering column lighting system ECU is internally provided with a steering column lighting system CAN communication module, a steering column lighting system MCU processing module and a steering column lighting system input acquisition module;
and the headlight switch, the wiper switch, the dimmer switch, the test port terminal of the steering column lighting system and the serial port display screen of the steering column lighting system are respectively connected with the ECU of the steering column lighting system.
Further, the cluster tool module includes:
the motor ECU is internally provided with a first CAN communication module of an instrument, a first MCU processing module of the instrument and a first output execution module of the instrument, and the battery ECU is internally provided with a second CAN communication module of the instrument, a second MCU processing module of the instrument and a second output execution module of the instrument;
the CAN card, the motor test port terminal, the motor digital signal switch, the motor analog signal switch and the instrument display screen are connected with the CAN card respectively;
the device comprises a CAN card, a battery test port terminal, a battery digital signal switch, a battery analog signal switch and an instrument display screen, wherein the CAN card, the battery test port terminal, the battery digital signal switch and the battery analog signal switch are respectively connected with the battery ECU, and the instrument display screen is connected with the CAN card.
Further, left front door module, right front door module, left rear door module and right rear door module include:
the front vehicle door ECU is internally provided with a front vehicle door CAN communication module, a front vehicle door input acquisition module, a front vehicle door MCU processing module and a front vehicle door output execution module;
the central control switch, the rearview mirror switch, the front door serial port display screen, the front door test port terminal, the rearview mirror, the front door lamp, the front door fastener and the front window lifter are respectively connected with the front door ECU;
the rear vehicle door ECU is internally provided with a rear vehicle door CAN communication module, a rear vehicle door input acquisition module, a rear vehicle door MCU processing module and a rear vehicle door output execution module;
and the rear vehicle window switch, the rear vehicle door serial port display screen, the rear vehicle door test port terminal, the rear vehicle door lamp, the rear vehicle door fastener and the rear vehicle window lifter are respectively connected with the rear vehicle door ECU.
Further, the vehicle body BCM wiper module includes:
the windscreen wiper ECU is internally provided with a windscreen wiper CAN communication module, a windscreen wiper input acquisition module, a windscreen wiper MCU processing module and a windscreen wiper output execution module;
the device comprises a wiper module serial port display screen, a wiper module test port terminal, a wiper, a trunk switch, a charging cover switch and an alarm switch, wherein the wiper module serial port display screen, the wiper module test port terminal, the wiper, the trunk switch, the charging cover switch and the alarm switch are connected with the wiper ECU.
Further, the vehicle body anti-theft system module includes:
the anti-theft system ECU is internally provided with an anti-theft system CAN communication module, an anti-theft system input acquisition module, an anti-theft system MCU processing module and an anti-theft system output execution module;
and the trunk position switch, the trunk motor, the charging cover motor, the trunk lamp and the antitheft system ECU serial port display screen are respectively connected with the antitheft system ECU.
Further, the reversing radar module comprises:
a reversing radar ECU with a reversing radar CAN communication module, a reversing radar signal processing module, a reversing radar MCU processing module and an anti-theft system output execution module arranged inside;
the four probes, the reversing radar test port terminal and the reversing radar serial port display screen are respectively connected with the reversing radar ECU.
Further, the gateway system module includes:
the gateway system ECU is internally provided with a high-low speed CAN conversion module and a gateway system MCU processing module;
and the high-speed CAN bus and the low-speed CAN bus are respectively connected with the gateway system ECU, the gateway system test port terminal and the gateway system serial port display screen.
Further, for cooperation installation and debugging, table surface upper end seted up a plurality of installation through-holes, table surface upper surface be located the installing support that the installation through-hole position is used for fixed mounting module through assembly bolt fixedly connected with, portable little rack upper end be equipped with the opening, portable little rack medial surface be located table surface below and have inside carriage, table surface include hinged joint's left side put mounting panel and right side put mounting panel, the connection pivot of left side put mounting panel through preceding, rear end lateral wall left end transversely run through portable little rack inner wall and portable little rack swing joint, the right side put mounting panel preceding, rear end lateral wall right-hand member set up the side direction transmission groove of built-in bottom gyro wheel, right side put mounting panel upper surface right-hand member set up the top control groove of convenient lifting upset.
A method for automobile electric control simulation is characterized in that a headlamp CAN communication module of a headlamp ECU receives data sent by a steering column lamplight system module on a low-speed CAN bus, the data are sent to a headlamp MCU processing module, and after the data are processed by the headlamp MCU processing module, a headlamp is driven to complete corresponding actions through a headlamp output execution module;
the rear vehicle lamp CAN communication module of the rear vehicle lamp ECU receives data sent by the steering post lamp system module on the low-speed CAN bus and sends the data to the rear vehicle lamp MCU processing module, and the rear vehicle lamp MCU processing module processes the data and then drives the rear vehicle lamp to complete corresponding actions through the rear vehicle lamp output execution module;
the interior lighting CAN communication module of the interior lighting ECU receives data sent by the left front door module, the right front door module, the left rear door module and the right rear door module on the low-speed CAN bus and sends the data to the interior lighting MCU processing module, and the interior lighting MCU processing module drives the interior lighting light source to complete corresponding actions through the interior lighting output execution module;
signals of the headlight switch and the dimming switch are input into an input acquisition module of a steering column light system of an ECU (electronic control unit), the signals are received by the input acquisition module of the steering column light system and then are sent to an MCU (microprogrammed control unit) processing module of the steering column light system, after being processed by the MCU processing module of the steering column light system, command signals are sent to a low-speed CAN bus through a CAN (controller area network) communication module of the steering column light system, and a front left lamp module, a front right lamp module, a rear left lamp module and a rear right lamp module receive the command signals from the low-speed CAN bus and execute corresponding;
the motor digital signal switch and the motor analog signal switch transmit data to a motor MCU processing module of the motor ECU through a motor input acquisition module of the motor ECU, and then the motor MCU processing module of the motor ECU transmits instruction data to a high-speed CAN bus through a CAN communication module of the motor ECU;
the battery digital signal switch and the motor analog signal switch transmit data to a battery MCU processing module of the battery ECU through a battery input acquisition module of the battery ECU, then the battery MCU processing module of the battery ECU transmits instruction data to a high-speed CAN bus through a battery CAN communication module of the battery ECU, the CAN receives high-speed CAN data signals transmitted by a high-speed CAN bus internet access relation system module and a reversing radar module, and transmits the data to an instrument display screen, and the instrument display screen displays the received data signals on an instrument interface;
signals of the central control switch and the rearview mirror switch of the left front door and the right front door are input into a front door input acquisition module of a front door ECU, are received by the front door input acquisition module and then are transmitted to a front door MCU processing module, and then are transmitted to execution signals by the front door MCU processing module;
the signal of the vehicle window switch is input into a rear vehicle door input acquisition module of a rear vehicle door ECU, the rear vehicle door input acquisition module receives the signal and then transmits the signal to a rear vehicle door MCU processing module of the rear vehicle door module, and the rear vehicle door MCU processing module transmits an execution signal;
the high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU;
the 4 probes transmit data to the reversing radar MCU processing module through the reversing radar module, and the data are transmitted to the high-speed CAN bus through the reversing radar CAN communication module after being processed by the reversing radar MCU processing module;
the trunk switch, the charging cover switch and the alarm switch transmit data to a windscreen wiper MCU processing module of the BCM windscreen wiper module of the vehicle body through a windscreen wiper input acquisition module of the windscreen wiper ECU, and then the windscreen wiper MCU processing module of the BCM windscreen wiper module transmits instruction data to a low-speed CAN bus through a windscreen wiper CAN communication module of the BCM windscreen wiper ECU of the vehicle body. And the left front lamp module, the right front lamp module, the left rear lamp module and the right rear lamp module receive command signals from the low-speed CAN bus to execute corresponding light actions.
The trunk position switch transmits data to an anti-theft system MCU processing module of a vehicle body anti-theft system module through an anti-theft system input acquisition module of an anti-theft system ECU (electronic control Unit), and then the anti-theft system MCU processing module of the vehicle body anti-theft system module transmits instruction data to a low-speed CAN bus through an anti-theft system CAN communication module of the anti-theft system ECU;
the high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU. .
The invention has the beneficial effects that:
(1) the automobile electric control simulation system and method provided by the invention are beneficial to firmly playing the relevant foundation of the new energy automobile by learning the principle of the automobile electric control system and combining with the practical operation practice, are helpful to development, test, technical support, maintenance and the like of the new energy automobile in the later period, are in a practical and integrated learning mode, are deeper in understanding aiming at knowledge, and can also realize mobility on the application of relevant knowledge to the real automobile;
(2) the operation method designed by the invention can directly simulate a real in-vehicle control mechanism to carry out on-off control, and can visually know the signal operation mode by utilizing the serial port display screen on each module, and the experiment table is applied to teaching practice, thereby being beneficial to improving the actual operation skill of students and improving the teaching effect;
(3) the working table top can be lifted and folded as required, is convenient to store, and can be more stable due to the adoption of the downward-embedded mounting structure, so that the internal equipment can be conveniently mounted and dismounted.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a general control circuit diagram of the present invention.
FIG. 2 is a circuit diagram of a left headlamp module of the present invention.
FIG. 3 is a circuit diagram of the right front headlamp module of the present invention.
Fig. 4 is a circuit connection diagram of the cluster tool system module of the present invention.
FIG. 5 is a circuit diagram of the left front door module of the present invention.
FIG. 6 is a circuit diagram of the right front door module of the present invention.
Fig. 7 is a circuit diagram of a body BCM wiper module of the present invention.
Fig. 8 is a circuit diagram of a steering column lighting system module according to the present invention.
Fig. 9 is a circuit connection diagram of a gateway system module in the present invention.
Fig. 10 is a circuit connection diagram of the left rear lamp module in the invention.
Fig. 11 is a circuit connection diagram of the rear right lamp module in the present invention.
Fig. 12 is a circuit connection diagram of the reversing radar module of the invention.
Fig. 13 is a circuit connection diagram of the interior lighting system module of the present invention.
Fig. 14 is a circuit connection diagram of the body immobilizer system module of the present invention.
FIG. 15 is a circuit diagram of the left rear door module of the present invention.
FIG. 16 is a circuit diagram of the right rear door module of the present invention.
Fig. 17 is a schematic view of the connecting end of the work table of the present invention.
Fig. 1 is a portable small rack, 2 is an installation through hole, 3 is an installation support, 4 is an internal support frame, 5 is a left installation plate, 6 is a right installation plate, 7 is a bottom roller, and 8 is a top control groove.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The automobile electric control simulation system shown in fig. 1 comprises a left headlamp module, a right headlamp module, a combination instrument system module, a left front automobile door module, a right front automobile door module, an automobile body BCM wiper module, a steering column lamp system module, an in-automobile lighting system module, an automobile body anti-theft system module, a left rear automobile door module, a right rear automobile door module, a gateway system module, a left rear automobile lamp module, a right rear automobile lamp module, a reversing radar module, a working table top for installing the modules, a portable small table frame 1 installed at the lower end of the working table top and a CAN analyzer.
The test system rack is used for dividing the whole vehicle into fifteen modules for embedded teaching, the test racks are not in rigid connection and are all connected through a CANbus network module, and control over each actuator is achieved. Each experiment table ECU has a local control function, a CAN network control function and a CAN virtual simulation comprehensive experiment function;
the CAN analyzer realizes synchronous acquisition and storage of an analog channel and a digital channel and realizes linkage observation of waveforms and messages; and dividing the CAN bus signal into an analog channel and a digital channel for acquisition and storage. And the clicking message can be switched to a corresponding waveform interface. Error frames can be marked, and specific error frame waveforms can be screened in a software interface. The message and the waveform are not split, so that the message and the waveform are convenient to check and analyze according to the test habit, and the software can also synchronously establish a horizontal option card, so that the message and the corresponding waveform can be checked synchronously. Certainly, what is most important is not to look at normal messages, and only an error is input in the screening box, an error message can be screened out, and then the waveform of an error frame can be checked by clicking.
The CAN analyzer supports the function of a real-time oscilloscope, integrates a 100MHZ real-time oscilloscope, CAN automatically match baud rate after being started, CAN respectively measure the difference of CANH and CAN L to obtain the conventional information of bit width, amplitude, overshoot, common-mode voltage and the like, CAN also carry out real-time Fourier transform (FFT) on the waveform to separate signals with different frequencies, thereby realizing the purpose of finding an interference source
The CAN analyzer supports a waveform decoding function, and the waveform decoding function CAN show CAN _ L waveforms, CAN _ H waveforms and differential waveforms, CAN logic values and CAN decoding.
The CAN analyzer supports a script development function; the software provides the demo of j1939, which the user can modify based on and finally run in the software. Meanwhile, the software provides virtual instrument display, the virtual instrument display supports analysis display j1939, and a user can modify scripts and observe synchronously.
The CAN analyzer supports DBC file analysis; the method supports standard DBC file analysis, can display variables in the file, displays a continuous change curve of data, and facilitates users to monitor real-time dynamics and change trends of the data.
The CAN analyzer supports virtual instrument display; and the instrument component is supported to drag related variables to display, and the supported controls can be diversified, and not only can an instrument be placed, but also characters can be placed.
The CAN analyzer supports user-defined protocol editing; self-defining protocol: the CANProtocolDefinitions provide a humanized operation interface, and a user can conveniently create or edit a self-defined protocol and generate a protocol description file.
The CAN analyzer supports CAN message rebroadcasting (recording and broadcasting); the CAN analyzer has a message replay function, namely, the CAN analyzer CAN completely record the field data sent by the field CAN system or equipment, and then the CAN analyzer simulates the CAN system or equipment in a laboratory to completely send the message data to a CAN network. The function is mainly used for recording the tested system or object message under the condition that the logical relation of the message is unknown, repeating the message according to the rule, mastering the rule, and analyzing the CAN application layer protocol. Or a network simulation performed before a new node is added.
The CAN analyzer CAN analyze the bus utilization rate; the CAN bus is also a half-duplex communication essentially, namely a 'one-way channel', that is, when one node transmits, other nodes cannot transmit data. Although the CAN packet IDs are prioritized, it is necessary to monitor bus utilization if the high priority always occupies the bus, which CAN lead to network congestion.
The CAN analyzer CAN support the user-defined baud rate; software CAN set the baud rate of the device through BTR0 and BTR1 registers of the CAN controller, and a setting tool of the baud rate is provided, so that a user is helped to set the baud rate quickly.
The CAN analyzer supports automatic baud rate detection and only listens and responds mode switching; in the case of the CAN baud rate of the location device, the software CAN automatically recognize. The software also has to be able to switch between listen-only and answer modes to facilitate the customer testing the device.
Analyzing the bus flow of the CAN analyzer; the software can observe the trend of bus flow, and by observing the load rate of the bus, the control software can see which specific data messages occupy the blocked bus in which time period.
As shown in fig. 2, 3, 8, 10, 11 and 13, further, the left headlight module, the right headlight module, the left rear headlight module, the right rear headlight module, the interior lighting system module and the steering column light system module include:
the headlamp ECU is internally provided with a headlamp CAN communication module, a headlamp MCU processing module and a headlamp output execution module;
the headlamp, the headlamp test port terminal and the headlamp serial port display screen are respectively connected with the left headlamp ECU and the right headlamp ECU;
the rear vehicle lamp ECU is internally provided with a rear vehicle lamp CAN communication module, a rear vehicle lamp MCU processing module and a rear vehicle lamp output execution module;
the rear automobile lamp, the rear automobile lamp test port terminal and the rear automobile lamp serial port display screen are respectively connected with the left rear automobile lamp ECU and the right rear automobile lamp ECU;
the vehicle interior lighting ECU is internally provided with a vehicle interior lighting CAN communication module, a vehicle interior lighting MCU processing module and a vehicle interior lighting output execution module;
the interior lighting light source, the interior lighting test port terminal and the interior lighting serial port display screen are respectively connected with the interior lighting ECU;
the steering column lighting system ECU is internally provided with a steering column lighting system CAN communication module, a steering column lighting system MCU processing module and a steering column lighting system input acquisition module;
and the headlight switch, the wiper switch, the dimmer switch, the test port terminal of the steering column lighting system and the serial port display screen of the steering column lighting system are respectively connected with the ECU of the steering column lighting system.
As shown in fig. 4, further, the cluster tool module includes:
the motor ECU is internally provided with a first CAN communication module of an instrument, a first MCU processing module of the instrument and a first output execution module of the instrument, and the battery ECU is internally provided with a second CAN communication module of the instrument, a second MCU processing module of the instrument and a second output execution module of the instrument;
the CAN card, the motor test port terminal, the motor digital signal switch, the motor analog signal switch and the instrument display screen are connected with the CAN card respectively;
the device comprises a CAN card, a battery test port terminal, a battery digital signal switch, a battery analog signal switch and an instrument display screen, wherein the CAN card, the battery test port terminal, the battery digital signal switch and the battery analog signal switch are respectively connected with the battery ECU, and the instrument display screen is connected with the CAN card.
As shown in fig. 5, 6, 15 and 16, further, the left front door module, the right front door module, the left rear door module and the right rear door module include:
the front vehicle door ECU is internally provided with a front vehicle door CAN communication module, a front vehicle door input acquisition module, a front vehicle door MCU processing module and a front vehicle door output execution module;
the central control switch, the rearview mirror switch, the front door serial port display screen, the front door test port terminal, the rearview mirror, the front door lamp, the front door fastener and the front window lifter are respectively connected with the front door ECU;
the rear vehicle door ECU is internally provided with a rear vehicle door CAN communication module, a rear vehicle door input acquisition module, a rear vehicle door MCU processing module and a rear vehicle door output execution module;
and the rear vehicle window switch, the rear vehicle door serial port display screen, the rear vehicle door test port terminal, the rear vehicle door lamp, the rear vehicle door fastener and the rear vehicle window lifter are respectively connected with the rear vehicle door ECU.
As shown in fig. 7, further, the body BCM wiper module includes:
the windscreen wiper ECU is internally provided with a windscreen wiper CAN communication module, a windscreen wiper input acquisition module, a windscreen wiper MCU processing module and a windscreen wiper output execution module;
the device comprises a wiper module serial port display screen, a wiper module test port terminal, a wiper, a trunk switch, a charging cover switch and an alarm switch, wherein the wiper module serial port display screen, the wiper module test port terminal, the wiper, the trunk switch, the charging cover switch and the alarm switch are connected with the wiper ECU.
As shown in fig. 14, further, the vehicle body theft prevention system module includes:
the anti-theft system ECU is internally provided with an anti-theft system CAN communication module, an anti-theft system input acquisition module, an anti-theft system MCU processing module and an anti-theft system output execution module;
and the trunk position switch, the trunk motor, the charging cover motor, the trunk lamp and the antitheft system ECU serial port display screen are respectively connected with the antitheft system ECU.
As shown in fig. 12, further, the reverse sensor module includes:
a reversing radar ECU with a reversing radar CAN communication module, a reversing radar signal processing module, a reversing radar MCU processing module and an anti-theft system output execution module arranged inside;
the four probes, the reversing radar test port terminal and the reversing radar serial port display screen are respectively connected with the reversing radar ECU.
As shown in fig. 9, further, the gateway system module includes:
the gateway system ECU is internally provided with a high-low speed CAN conversion module and a gateway system MCU processing module;
and the high-speed CAN bus and the low-speed CAN bus are respectively connected with the gateway system ECU, the gateway system test port terminal and the gateway system serial port display screen.
As shown in fig. 17, further, for the cooperation installation and debugging, 6 installation through holes 2 have been seted up to the table top upper end, the table top upper surface is located installation through hole 2 position and is used for the installing support 3 of fixed mounting module through assembly bolt fixedly connected with, portable little rack 1 upper end is equipped with the opening, portable little rack 1 medial surface is located the table top below and has inside carriage 4, the table top includes hinged joint's left mounting panel 5 and right mounting panel 6, left mounting panel 5 is through preceding, the connecting shaft of rear end lateral wall left end transversely runs through portable little rack 1 inner wall and portable little rack 1 swing joint, right mounting panel 6 is preceding, the lateral transmission groove of built-in bottom gyro wheel 7 is seted up to rear end lateral wall right-hand member, right mounting panel 6 upper surface right-hand member is seted up the top control groove 8 that makes things convenient for the lifting upset.
A method for simulating an automobile electronic control system is characterized in that a headlamp CAN communication module of a headlamp ECU receives data sent by a steering column lamp system module on a low-speed CAN bus, the data are sent to a headlamp MCU processing module, and the headlamp MCU processing module processes the data and then outputs an execution module through a headlamp to drive the headlamp to complete corresponding actions. The serial port display screen of the headlamp realizes the animation demonstration of the left and right headlamp system modules and the working state display of an actuator (headlamp) through the low-speed CAN bus signal receiving. The headlamp test port terminal is an external detection interface of the left and right front headlamp system modules, and CAN meet the physical measurement of a headlamp and a low-speed CAN signal;
the rear car light CAN communication module of rear car light ECU receives the data sent by the steering post light system module on the low-speed CAN bus, sends the data to the rear car light MCU processing module, and drives the rear car light to complete the corresponding action through the rear car light output execution module after the rear car light MCU processing module processes. The serial port display screen of the rear vehicle lamp realizes the animation demonstration of the left and right rear vehicle lamp system modules and the working state display of an actuator (rear tail lamp) through the low-speed CAN bus signal receiving.
The rear lamp test port terminal is an external detection interface for signals of the left and right rear lamp system modules, and CAN meet the physical measurement of rear tail lamps and low-speed CAN signals;
the interior lighting CAN communication module of the interior lighting ECU receives data sent by the left front door module, the right front door module, the left rear door module and the right rear door module on the low-speed CAN bus and sends the data to the interior lighting MCU processing module, and the interior lighting MCU processing module drives the interior lighting light source to complete corresponding actions through the interior lighting output execution module after processing. The in-vehicle illumination serial port display screen realizes the animation demonstration of the in-vehicle illumination system module and the working state display of an actuator (in-vehicle illumination light) through low-speed CAN bus signal receiving.
The terminal of the in-vehicle illumination test port is an external detection interface of the module signal of the in-vehicle illumination system, and CAN meet the physical measurement of in-vehicle illumination light and low-speed CAN signals;
signals of the headlight switch and the dimming switch are input into an input acquisition module of a steering column light system of an ECU (electronic control unit), the signals are received by the input acquisition module of the steering column light system and then are sent to an MCU (microprogrammed control unit) processing module of the steering column light system, the MCU processing module of the steering column light system sends instruction signals to a low-speed CAN bus through a CAN (controller area network) communication module of the steering column light system after processing, and the front left lamp module, the front right lamp module, the rear left lamp module and the rear right lamp module receive the instruction signals from the low-speed CAN bus and execute corresponding lighting actions. The signal of the wiper switch is input to an input signal acquisition module of a steering column lighting system of an ECU of the steering column lighting system, the signal is received by the input signal acquisition module of the steering column lighting system and then is transmitted to an MCU processing module of the steering column lighting system, and after the signal is processed by the MCU processing module of the steering column lighting system, an instruction signal is sent to a low-speed CAN bus through a CAN communication module of the steering column lighting system. And the BCM wiper module of the vehicle body receives the command signal from the low-speed CAN bus to execute corresponding wiper action.
The serial port display screen of the steering column light system receives signals through the low-speed CAN bus to realize animation demonstration of the steering column light system module and display of the working state of an actuator (a headlamp and a windscreen wiper).
The test port terminal of the steering column lamplight system is an external detection interface of the steering column lamplight system module, and CAN meet the physical measurement of a headlight switch, a dimmer switch, a wiper switch and a low-speed CAN signal;
the motor digital signal switch and the motor analog signal switch transmit data to a motor MCU processing module of the motor ECU through a motor input acquisition module of the motor ECU, and then the motor MCU processing module of the motor ECU transmits instruction data to a high-speed CAN bus through a CAN communication module of the motor ECU;
the battery digital signal switch and the motor analog signal switch send data to a battery MCU processing module of the battery ECU through a battery input acquisition module of the battery ECU, then the battery MCU processing module of the battery ECU sends instruction data to a high-speed CAN bus through a battery CAN communication module of the battery ECU, the CAN receives high-speed CAN data signals sent by a high-speed CAN bus internet access relation system module and a reversing radar module, the data are sent to an instrument display screen, and the instrument display screen displays the received data signals on an instrument interface.
The CAN card receives high-speed CAN data signals sent by the high-speed CAN bus internet access relation system module and the reversing radar module, and sends data to the instrument display screen, and the instrument display screen displays the received data signals on an instrument interface.
The motor and the battery test port are external detection interfaces of the combined instrument module signals, and CAN meet the physical measurement of a motor digital signal switch, a motor analog signal switch, a battery digital signal switch and a high-speed CAN signal;
the signal input of the central control switch of the left front door and the right front door and the signal input of the rearview mirror switch are input into the front door input acquisition module of the front door ECU, the front door input acquisition module receives the signal and then transmits the signal to the front door MCU processing module, the front door MCU processing module transmits the execution signal, and the front door MCU processing module is divided into an A/B two parts for processing: A. the front vehicle door MCU processing module sends the instruction to the low-speed CAN bus through the front vehicle door CAN communication module after processing, and the interior lighting system module receives the instruction signal from the low-speed CAN bus and executes corresponding interior lighting light to complete corresponding action; B. after the front vehicle door MCU processing module processes the front vehicle door MCU processing module, the rear-view mirror, the locking device, the door lamp and the vehicle window lifter are driven by the output execution module to complete corresponding actions.
The front door CAN communication module receives data sent by a left front door module on the low-speed CAN bus, sends the data to the front door MCU processing module, and drives the rearview mirror, the locking device, the door lamp and the window lifter to complete corresponding actions through the output execution module after the front door MCU processing module processes the data.
The front door serial port display screen receives signals through a low-speed CAN bus to realize animation demonstration of a front door system module and display of the working state of an actuator (a rearview mirror, a locking device, a door lamp and a vehicle window lifter).
The front vehicle door test port terminal is an external detection interface of the front vehicle door system module, and CAN meet the physical measurement of rearview mirrors, locking devices, door lamps, vehicle window lifters and low-speed CAN signals.
The signal of the vehicle window switch is input into a rear vehicle door input acquisition module of a rear vehicle door ECU, the rear vehicle door input acquisition module receives the signal and then transmits the signal to a rear vehicle door MCU processing module of the rear vehicle door module, and the rear vehicle door MCU processing module transmits an execution signal;
the high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU;
the 4 probes send data to the reversing radar MCU processing module through the reversing radar module, and the reversing radar MCU processing module processes the data and then sends the data to the high-speed CAN bus through the reversing radar CAN communication module. The reversing radar serial port display screen receives signals through the high-speed CAN bus, and animation demonstration of the reversing radar module is achieved.
The terminal of the reversing radar test port is an external detection interface of a reversing radar module signal, and CAN meet the physical measurement of 4 reversing radar probes and high-speed CAN signals;
the trunk switch, the charging cover switch and the alarm switch transmit data to a windscreen wiper MCU processing module of the BCM windscreen wiper module of the vehicle body through a windscreen wiper input acquisition module of the windscreen wiper ECU, and then the windscreen wiper MCU processing module of the BCM windscreen wiper module transmits instruction data to a low-speed CAN bus through a windscreen wiper CAN communication module of the BCM windscreen wiper ECU of the vehicle body. And the left front lamp module, the right front lamp module, the left rear lamp module and the right rear lamp module receive command signals from the low-speed CAN bus to execute corresponding light actions. The windscreen wiper CAN communication module of the BCM windscreen wiper ECU of the vehicle body receives data sent by the steering post lighting system module on the low-speed CAN bus, the data are sent to the windscreen wiper MCU processing module, and the windscreen wiper is driven to complete corresponding actions through the windscreen wiper output execution module after the processing of the windscreen wiper MCU processing module.
The wiper serial port display screen receives signals through the low-speed CAN bus to realize animation demonstration of a BCM wiper module of a vehicle body and display of the working state of an actuator (wiper).
The wiper test port terminal is an external detection interface of a BCM wiper module signal of a vehicle body, and CAN meet the physical measurement of a wiper and a low-speed CAN signal.
The trunk position switch transmits data to an anti-theft system MCU processing module of the vehicle body anti-theft system module through an anti-theft system input acquisition module of the anti-theft system ECU, and then the anti-theft system MCU processing module of the vehicle body anti-theft system module transmits instruction data to a low-speed CAN bus through an anti-theft system CAN communication module of the anti-theft system ECU. An anti-theft system CAN communication module of an automobile body anti-theft system module ECU receives data sent by an automobile body anti-theft module on a low-speed CAN bus, the data are sent to an anti-theft system MCU processing module, and after the anti-theft system MCU processing module processes the data, an execution module is output through an anti-theft system to drive a trunk motor, a trunk lamp and a charging cover motor to complete corresponding actions.
The anti-theft system serial port display screen realizes the animation demonstration of the vehicle body anti-theft system module and the working state display of the actuator (a trunk motor, a trunk lamp and a charging cover motor) through the low-speed CAN bus signal receiving.
The terminal of the anti-theft system test port is an external detection interface of a vehicle body anti-theft system module signal, and CAN meet the physical measurement of a trunk motor, a trunk lamp, a charging cover motor and a low-speed CAN signal. (ii) a
The high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU. And the gateway system serial port display screen receives the low-speed CAN bus signals to realize the animation demonstration of the gateway system module.
The gateway system test port terminal is an external detection interface of a gateway system module signal, and CAN meet the physical measurement of high-speed CAN and low-speed CAN signals.
The invention has the beneficial effects that: (1) the automobile electric control simulation system and method provided by the invention have the advantages that through learning of the principle of an automobile electric control system and combining with the practical operation practice, the related foundation of the new energy automobile is favorably firmed, the development, the test, the technical support, the maintenance and the like of the new energy automobile in the later period are facilitated, a real-integrated learning mode is realized, the understanding of knowledge is deeper, and the application of related knowledge to the real automobile can be migrated; (2) the operation method designed by the invention can directly simulate a real in-vehicle control mechanism to carry out on-off control, and can visually know the signal operation mode by utilizing the serial port display screen on each module, and the experiment table is applied to teaching practice, thereby being beneficial to improving the actual operation skill of students and improving the teaching effect; (3) the working table top can be lifted and folded as required, is convenient to store, and can be more stable due to the adoption of the downward-embedded mounting structure, so that the internal equipment can be conveniently mounted and dismounted.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An electric control simulation system for an automobile is characterized in that: the automobile steering column lamp system comprises a left headlamp module, a right headlamp module, a combined instrument system module, a left front automobile door module, a right front automobile door module, an automobile body BCM wiper module, a steering column lamp system module, an in-automobile lighting system module, an automobile body anti-theft system module, a left rear automobile door module, a right rear automobile door module, a gateway system module, a left rear automobile lamp module, a right rear automobile lamp module, a reversing radar module, a working table top for installing the modules, a portable small rack (1) installed at the lower end of the working table top and a CAN analyzer.
2. An electronic control simulation system for an automobile according to claim 1, wherein: left headlamp module, right headlamp module, left back car light module, right back car light module, interior lighting system module of car and steering column light system module include:
the headlamp ECU is internally provided with a headlamp CAN communication module, a headlamp MCU processing module and a headlamp output execution module;
the headlamp, the headlamp test port terminal and the headlamp serial port display screen are respectively connected with the left headlamp ECU and the right headlamp ECU;
the rear vehicle lamp ECU is internally provided with a rear vehicle lamp CAN communication module, a rear vehicle lamp MCU processing module and a rear vehicle lamp output execution module;
the rear automobile lamp, the rear automobile lamp test port terminal and the rear automobile lamp serial port display screen are respectively connected with the left rear automobile lamp ECU and the right rear automobile lamp ECU;
the vehicle interior lighting ECU is internally provided with a vehicle interior lighting CAN communication module, a vehicle interior lighting MCU processing module and a vehicle interior lighting output execution module;
the interior lighting light source, the interior lighting test port terminal and the interior lighting serial port display screen are respectively connected with the interior lighting ECU;
the steering column lighting system ECU is internally provided with a steering column lighting system CAN communication module, a steering column lighting system MCU processing module and a steering column lighting system input acquisition module;
and the headlight switch, the wiper switch, the dimmer switch, the test port terminal of the steering column lighting system and the serial port display screen of the steering column lighting system are respectively connected with the ECU of the steering column lighting system.
3. An electronic control simulation system for an automobile according to claim 1, wherein: the combination meter system module includes:
the motor ECU is internally provided with a first CAN communication module of an instrument, a first MCU processing module of the instrument and a first output execution module of the instrument, and the battery ECU is internally provided with a second CAN communication module of the instrument, a second MCU processing module of the instrument and a second output execution module of the instrument;
the CAN card, the motor test port terminal, the motor digital signal switch, the motor analog signal switch and the instrument display screen are connected with the CAN card respectively;
the device comprises a CAN card, a battery test port terminal, a battery digital signal switch, a battery analog signal switch and an instrument display screen, wherein the CAN card, the battery test port terminal, the battery digital signal switch and the battery analog signal switch are respectively connected with the battery ECU, and the instrument display screen is connected with the CAN card.
4. An electronic control simulation system for an automobile according to claim 1, wherein: left front door module, right front door module, left back door module and right back door module include:
the front vehicle door ECU is internally provided with a front vehicle door CAN communication module, a front vehicle door input acquisition module, a front vehicle door MCU processing module and a front vehicle door output execution module;
the central control switch, the rearview mirror switch, the front door serial port display screen, the front door test port terminal, the rearview mirror, the front door lamp, the front door fastener and the front window lifter are respectively connected with the front door ECU;
the rear vehicle door ECU is internally provided with a rear vehicle door CAN communication module, a rear vehicle door input acquisition module, a rear vehicle door MCU processing module and a rear vehicle door output execution module;
and the rear vehicle window switch, the rear vehicle door serial port display screen, the rear vehicle door test port terminal, the rear vehicle door lamp, the rear vehicle door fastener and the rear vehicle window lifter are respectively connected with the rear vehicle door ECU.
5. An electronic control simulation system for an automobile according to claim 1, wherein: the BCM wiper module of the car body comprises:
the windscreen wiper ECU is internally provided with a windscreen wiper CAN communication module, a windscreen wiper input acquisition module, a windscreen wiper MCU processing module and a windscreen wiper output execution module;
the device comprises a wiper module serial port display screen, a wiper module test port terminal, a wiper, a trunk switch, a charging cover switch and an alarm switch, wherein the wiper module serial port display screen, the wiper module test port terminal, the wiper, the trunk switch, the charging cover switch and the alarm switch are connected with the wiper ECU.
6. An electronic control simulation system for an automobile according to claim 1, wherein: the car body anti-theft system module comprises:
the anti-theft system ECU is internally provided with an anti-theft system CAN communication module, an anti-theft system input acquisition module, an anti-theft system MCU processing module and an anti-theft system output execution module;
and the trunk position switch, the trunk motor, the charging cover motor, the trunk lamp and the antitheft system ECU serial port display screen are respectively connected with the antitheft system ECU.
7. An electronic control simulation system for an automobile according to claim 1, wherein: the reversing radar module comprises:
a reversing radar ECU with a reversing radar CAN communication module, a reversing radar signal processing module, a reversing radar MCU processing module and an anti-theft system output execution module arranged inside;
the four probes, the reversing radar test port terminal and the reversing radar serial port display screen are respectively connected with the reversing radar ECU.
8. An electronic control simulation system for an automobile according to claim 1, wherein: the gateway system module comprises:
the gateway system ECU is internally provided with a high-low speed CAN conversion module and a gateway system MCU processing module;
and the high-speed CAN bus and the low-speed CAN bus are respectively connected with the gateway system ECU, the gateway system test port terminal and the gateway system serial port display screen.
9. An electronic control simulation system for an automobile according to claim 1, wherein: a plurality of mounting through holes (2) are arranged at the upper end of the working table, a mounting bracket (3) for fixedly mounting a module is fixedly connected with the upper surface of the working table at the position of the mounting through holes (2) through an assembling bolt, the upper end of the portable small rack (1) is provided with an opening, the inner side surface of the portable small rack (1) is arranged below the working table surface and is provided with an inner supporting frame (4), the working table comprises a left mounting plate (5) and a right mounting plate (6) which are connected by a hinge, the left mounting plate (5) transversely penetrates through the inner wall of the portable small rack (1) through the connecting rotating shaft at the left end of the side wall of the front end and the rear end and is movably connected with the portable small rack (1), the right end of the side wall of the front end and the right end of the side wall of the rear end of the right mounting plate (6) are provided with lateral transmission grooves internally provided with bottom rollers (7), the right side put mounting panel (6) upper surface right-hand member seted up top control groove (8) that make things convenient for the lifting upset.
10. A method for automobile electric control simulation is characterized in that: the headlamp CAN communication module of the headlamp ECU receives data sent by the steering column lamplight system module on the low-speed CAN bus, and sends the data to the headlamp MCU processing module, and the headlamp MCU processing module outputs the execution module through the headlamp after processing to drive the headlamp to complete corresponding actions;
the rear vehicle lamp CAN communication module of the rear vehicle lamp ECU receives data sent by the steering post lamp system module on the low-speed CAN bus and sends the data to the rear vehicle lamp MCU processing module, and the rear vehicle lamp MCU processing module processes the data and then drives the rear vehicle lamp to complete corresponding actions through the rear vehicle lamp output execution module;
the interior lighting CAN communication module of the interior lighting ECU receives data sent by the left front door module, the right front door module, the left rear door module and the right rear door module on the low-speed CAN bus and sends the data to the interior lighting MCU processing module, and the interior lighting MCU processing module drives the interior lighting light source to complete corresponding actions through the interior lighting output execution module;
signals of the headlight switch and the dimming switch are input into an input acquisition module of a steering column light system of an ECU (electronic control unit), the signals are received by the input acquisition module of the steering column light system and then are sent to an MCU (microprogrammed control unit) processing module of the steering column light system, after being processed by the MCU processing module of the steering column light system, command signals are sent to a low-speed CAN bus through a CAN (controller area network) communication module of the steering column light system, and a front left lamp module, a front right lamp module, a rear left lamp module and a rear right lamp module receive the command signals from the low-speed CAN bus and execute corresponding;
the motor digital signal switch and the motor analog signal switch transmit data to a motor MCU processing module of the motor ECU through a motor input acquisition module of the motor ECU, and then the motor MCU processing module of the motor ECU transmits instruction data to a high-speed CAN bus through a CAN communication module of the motor ECU;
the battery digital signal switch and the motor analog signal switch transmit data to a battery MCU processing module of the battery ECU through a battery input acquisition module of the battery ECU, then the battery MCU processing module of the battery ECU transmits instruction data to a high-speed CAN bus through a battery CAN communication module of the battery ECU, the CAN receives high-speed CAN data signals transmitted by a high-speed CAN bus internet access relation system module and a reversing radar module, and transmits the data to an instrument display screen, and the instrument display screen displays the received data signals on an instrument interface;
signals of the central control switch and the rearview mirror switch of the left front door and the right front door are input into a front door input acquisition module of a front door ECU, are received by the front door input acquisition module and then are transmitted to a front door MCU processing module, and then are transmitted to execution signals by the front door MCU processing module;
the signal of the vehicle window switch is input into a rear vehicle door input acquisition module of a rear vehicle door ECU, the rear vehicle door input acquisition module receives the signal and then transmits the signal to a rear vehicle door MCU processing module of the rear vehicle door module, and the rear vehicle door MCU processing module transmits an execution signal;
the high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU;
the 4 probes transmit data to the reversing radar MCU processing module through the reversing radar module, and the data are transmitted to the high-speed CAN bus through the reversing radar CAN communication module after being processed by the reversing radar MCU processing module;
the trunk switch, the charging cover switch and the alarm switch transmit data to a windscreen wiper MCU processing module of the BCM windscreen wiper module of the vehicle body through a windscreen wiper input acquisition module of the windscreen wiper ECU, and then the windscreen wiper MCU processing module of the BCM windscreen wiper module transmits instruction data to a low-speed CAN bus through a windscreen wiper CAN communication module of the BCM windscreen wiper ECU of the vehicle body. And the left front lamp module, the right front lamp module, the left rear lamp module and the right rear lamp module receive command signals from the low-speed CAN bus to execute corresponding light actions.
The trunk position switch transmits data to an anti-theft system MCU processing module of a vehicle body anti-theft system module through an anti-theft system input acquisition module of an anti-theft system ECU (electronic control Unit), and then the anti-theft system MCU processing module of the vehicle body anti-theft system module transmits instruction data to a low-speed CAN bus through an anti-theft system CAN communication module of the anti-theft system ECU;
the high-low speed CAN conversion module receives data sent by other modules on the CAN bus, sends the data to the gateway system MCU processing module, and then the gateway system MCU processing module of the gateway system module sends instruction data to the high-speed CAN bus through the high-low speed CAN conversion module of the gateway system ECU.
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