CN114973817A - Intelligent networking automobile sensor teaching system - Google Patents
Intelligent networking automobile sensor teaching system Download PDFInfo
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- CN114973817A CN114973817A CN202110192097.0A CN202110192097A CN114973817A CN 114973817 A CN114973817 A CN 114973817A CN 202110192097 A CN202110192097 A CN 202110192097A CN 114973817 A CN114973817 A CN 114973817A
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- upper computer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses an intelligent networking automobile sensor teaching system which comprises a fault injection module, wherein the fault injection module is connected between an automobile sensor and an upper computer which are in communication connection, receives a fault injection instruction of the upper computer, adopts a relay to control a signal wire connected with the automobile sensor to be opened and closed, and realizes that corresponding faults are manufactured and displayed on a display interface of the upper computer so as to be convenient for virtual detection, virtual detection exploration, signal viewing and fault removal teaching. The intelligent networked automobile sensor teaching system can realize control and fault manufacture on the upper computer for various faults frequently occurring in sensor parts on the whole automobile, automatically and vividly demonstrate on the upper computer, study and check, and is friendly to teacher teaching and practical operation of students.
Description
Technical Field
The invention relates to the technical field of teaching systems, in particular to an intelligent networking automobile sensor teaching system.
Background
With the development of automotive electronics and intelligent driving, advanced driver assistance systems and automated driving functions of the L2 and L3 grades are increasingly used in automobiles, and sensors such as ultrasonic radar, millimeter-wave radar, laser radar and camera are increasingly used in automobiles. The prior professional teaching process summary lacks teaching on new technology, particularly relevant teaching equipment related to intelligent networking, and is few in the market.
The teaching platform has the advantages that the occupation teaching requirements for the intelligent networked automobile are increasingly enhanced, comprehensive sensors are provided, and the teaching platform for teaching and demonstrating the sensors has special significance for teaching of relevant automobile occupation schools.
Disclosure of Invention
The invention aims to provide an intelligent networking automobile sensor teaching system aiming at the technical defects in the prior art, which can vividly present the principles of sensors, functions of data display, fault injection and the like, and solve the problems related to intelligent networking automobile sensor teaching equipment.
The technical scheme adopted for realizing the purpose of the invention is as follows:
an intelligent networked automobile sensor teaching system, comprising:
the fault injection module is connected between a vehicle sensor and an upper computer which are in communication connection, receives a fault injection instruction of the upper computer, and adopts a relay to control a signal wire connected with the vehicle sensor to be opened and closed, so that the corresponding fault is manufactured and displayed on a display interface of the upper computer, and therefore virtual detection, probing, signal checking and fault removal teaching are facilitated.
Preferably, the fault injection module comprises a plurality of relays for controlling the on-off of signals of signal lines of the automobile sensor, the relays are connected with an input and output control chip, the input and output control chip is connected with the processor through an SPI bus, and the processor is connected with the wireless interface to receive the fault injection instruction of the upper computer.
Preferably, the signal line is connected through an analog-to-digital conversion module, and the analog-to-digital conversion module is connected with the processor through an SPI bus so as to transmit the signal to the processor and transmit the signal to an upper computer for processing.
Wherein the automotive sensor comprises one or more of a camera, a lidar, an ultrasonic radar, a millimeter wave radar, and a combination navigation device.
Preferably, a software program is installed in the upper computer through a storage device, the operation of the software program is controlled by the central processing unit, the signal checking of the automobile sensor and the output of the fault injection instruction can be controlled on the upper computer by using connected external input equipment, the virtual instrument detection is realized through a virtual instrument, and the principle display is carried out.
Preferably, the principle display of the automobile sensor is to display the composition principle in a three-dimensional picture mode and match with animation to display the assembly and electrical connection principle of the automobile sensor.
Preferably, the software program installed in the upper computer displays a virtual operating tool or a wire harness, and can perform an open-short circuit operation under the control of an external input device.
Preferably, the virtual instrument detection comprises signal detection through a virtual multimeter and a virtual oscilloscope; and the pointer of the virtual multimeter is controlled by an external input device connected with the upper computer to displace in a preset area so as to measure and display voltage and/or current by the virtual multimeter.
Preferably, the intelligent networking automobile sensor teaching system further comprises a non-virtual multimeter and a non-virtual oscilloscope, and the non-virtual multimeter is connected with the signal lines of the corresponding automobile sensors through the plug wire holes to conduct actual signal exploration.
Preferably, the automobile sensor is in communication connection with the upper computer through a bus, and the bus comprises an Ethernet bus, a serial port bus, a CAN bus and a GSML bus.
The intelligent networked automobile sensor teaching system can realize control and fault manufacture on the upper computer for various faults frequently occurring in sensor parts on the whole automobile, automatically and vividly demonstrate on the upper computer, study and check, and is friendly to teacher teaching and practical operation of students.
The intelligent networked automobile sensor teaching system can also realize graphical interface display of the principle, and is easy for students to better understand the composition principle of each part.
Drawings
FIG. 1 is a schematic diagram of an intelligent networked automobile sensor teaching system of the present invention;
FIGS. 2-3 are schematic diagrams of a signal probing panel for different automotive sensors, respectively, according to one embodiment;
FIG. 4 is a schematic block diagram of a fault injection module in accordance with one embodiment;
fig. 5 is a schematic layout of a stage according to an embodiment.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1 to 5, the intelligent networked automobile sensor teaching system of the present invention includes:
and the fault injection module is connected between the automobile sensor and the upper computer in a communication way, receives a fault injection instruction transmitted by the upper computer, and adopts a relay to control a signal wire connected with the automobile sensor to be opened and closed, so that the display interface of the upper computer displays the corresponding faults, and the display interface is convenient for virtual detection, exploration, troubleshooting and signal viewing and teaching.
In the above technical solution, the fault injection module is connected to the industrial personal computer through ethernet in a multi-relay automatic control manner, referring to fig. 4, a signal line of the sensor can make an open-circuit fault, a power short-circuit fault, a ground short-circuit fault, and the like through the opening and closing of the relay, as shown in fig. 4, when the relay between the signal and the ground is turned on, the ground short-circuit fault is realized, when the relay between the signal and the power is turned on, the power short-circuit fault is realized, and the fault injection operation is controlled to be automatically switched through an ethernet protocol.
Preferably, the fault injection module comprises a plurality of relays for controlling the on-off of signals of signal lines of the automobile sensor, the relays are connected with an input and output control chip, the input and output control chip is connected with the processor through an SPI bus, and the processor is connected with the wireless interface to receive the fault injection instruction of the upper computer.
The signal line is connected through an analog-to-digital conversion module, and the analog-to-digital conversion module is connected with the processor through an SPI bus so as to transmit signals to the processor and transmit the signals to an upper computer for processing. The analog-digital conversion module is used for realizing signal processing, then the signals are sent to the processor and then are sent to the upper computer for processing, and the checking of the signals and the corresponding teaching operation are realized
Wherein the automotive sensor comprises one or more of a camera, a Lidar, an ultrasonic radar, a millimeter wave radar, and a combination navigation device.
Preferably, a software program is installed in the upper computer through a storage device and is controlled by the central processing unit to run, so that signal checking of the automobile sensor and output of a fault injection instruction can be performed on the upper computer under the control of connected external input equipment, virtual instrument detection is realized through a virtual instrument, and principle display is performed.
In the invention, the principle display of the automobile sensor can be realized by displaying the composition principle in a three-dimensional picture mode and matching with three-dimensional animation to display the assembly and electrical connection principle of the automobile sensor, so that students can further understand the structure and the principle of the sensor conveniently.
In the invention, the software program installed in the upper computer displays a virtual operation tool or a wire harness tool, and can perform open-short circuit operation under the control of external input equipment, so that students can conveniently learn how to operate the control circuit. Such manipulation tools include, but are not limited to, pliers or the like.
The virtual instrument detection can be signal detection performed by a virtual multimeter and a virtual oscilloscope; the pointer of the virtual multimeter is controlled by an external input device connected with the upper computer to move in a preset area so as to measure and display voltage and/or current by the virtual multimeter, so that students can conveniently detect, use and learn. Of course, other virtual meters or devices are possible.
The upper computer can adopt an industrial personal computer, and can realize the functions of principle display, sensor signal checking, fault injection control, virtual instrument detection and the like through the industrial personal computer. For example, a virtual multimeter is arranged on the software, and a probe of the virtual multimeter can be dragged to a corresponding measurement port by using a mouse, so that a corresponding voltage value or current value is displayed. When the principle is displayed, the composition principle can be displayed in a three-dimensional picture mode, and the principle of assembly and electrical connection of sensor parts can be displayed visually by matching with animation display; meanwhile, the industrial personal computer can check the signal of each sensor; fault injection can be set through software, and virtual pliers or wire harnesses are adopted to carry out open-short circuit operation; the signal detection can be carried out through a virtual multimeter and a virtual oscilloscope, and a method for troubleshooting can be taught to students.
Of course, in the invention, the intelligent networked automobile sensor teaching system may further include a non-virtual multimeter and a non-virtual oscilloscope, and the wiring hole for the actual detection panel is connected with the signal line of the corresponding automobile sensor to detect the corresponding signal in real but not virtual detection.
In the invention, the automobile sensor is in communication connection with the upper computer through a bus, wherein the bus comprises but is not limited to an Ethernet bus, a serial port bus, a CAN bus and a GSML bus.
In the present invention, the car sensors, the upper computer display, the detection instrument, and the like may be integrally installed on a rack, as shown in fig. 5, a rack may be disposed at the bottom of the rack, an upper computer host is disposed in the rack, and a power control panel, a signal panel (formed by a plurality of signal probing panels shown in fig. 2 to 3 in an aggregate, each car sensor corresponds to one signal probing panel, as two sensors shown in fig. 2 to 3, each signal probing panel forms a plurality of patch holes for detecting signals, so as to facilitate insertion of the instrument to detect corresponding signals), and various interfaces, such as an ethernet interface, a CAN interface, a USB interface, and the like, as shown in fig. 5.
The intelligent networked automobile sensor teaching system can realize control and fault manufacture on the upper computer for various faults frequently occurring in sensor parts on the whole automobile, automatically and vividly demonstrate on the upper computer, study and check, and is friendly to teacher teaching and practical operation of students.
The intelligent networked automobile sensor teaching system can also realize graphical interface display of the principle, and is easy for students to better understand the composition principle of each part.
The invention includes all the common sensor types of the intelligent networked automobile, and can visually display the principle of assembling and debugging each sensor.
The invention can automatically manufacture the faults of the sensor and provides enough test points and test means for students to troubleshoot the problems.
The invention provides a man-machine interface for manufacturing faults and troubleshooting through the use of the virtual instrument, so that the teaching is more vivid and the efficiency is higher.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an intelligence networking automobile sensor teaching system which characterized in that includes:
the fault injection module is connected between a vehicle sensor and an upper computer which are in communication connection, receives a fault injection instruction of the upper computer, and adopts a relay to control a signal wire connected with the vehicle sensor to be opened and closed, so that the corresponding fault is manufactured and displayed on a display interface of the upper computer, and therefore virtual detection, probing, signal checking and fault removal teaching are facilitated.
2. The intelligent networked automobile sensor teaching system according to claim 1, wherein the fault injection module comprises a plurality of relays for controlling signal on/off of signal lines of the automobile sensors, the relays are connected with an input/output control chip, the input/output control chip is connected with a processor through an SPI bus, and the processor is connected with a wireless interface to receive a fault injection instruction of the upper computer.
3. The intelligent networked automobile sensor teaching system according to claim 2, wherein the signal lines are connected through an analog-to-digital conversion module, and the analog-to-digital conversion module is connected with the processor through an SPI bus to transmit signals to the processor and to an upper computer for processing.
4. The intelligent networked automobile sensor instruction system of claim 1, wherein the automobile sensor comprises one or more of a camera, a lidar, an ultrasonic radar, a millimeter-wave radar, and a combination navigation device.
5. The intelligent networked automobile sensor teaching system according to claim 1, wherein a software program is installed in the upper computer through a storage device, and is controlled by the central processing unit to run, so that signal checking of the automobile sensor, output of fault injection instructions, virtual instrument detection through a virtual instrument and principle display can be realized on the upper computer by controlling the upper computer through a connected external input device.
6. The intelligent networked automobile sensor teaching system according to claim 5, wherein the principle display of the automobile sensor is to display the composition principle in a three-dimensional picture mode and to display the assembly and electrical connection principle of the automobile sensor in cooperation with animation.
7. The intelligent networked automobile sensor teaching system according to claim 5, wherein the software program installed in the upper computer displays virtual operating tools or wiring harnesses, which can be opened and closed under the control of external input devices.
8. The intelligent networked automobile sensor teaching system according to claim 5, wherein the virtual instrument detection comprises detection of signals by a virtual multimeter and a virtual oscilloscope; and the pointer of the virtual multimeter is controlled by an external input device connected with the upper computer to displace in a preset area so as to measure and display voltage and/or current by the virtual multimeter.
9. The intelligent networked automobile sensor teaching system according to claim 1 or 8, further comprising a non-virtual multimeter and a non-virtual oscilloscope connected to the signal lines of the corresponding automobile sensors through plug wire holes for actual signal probing.
10. The intelligent networked automobile sensor teaching system according to claim 1, wherein the automobile sensor is in communication connection with the upper computer through a bus, and the bus comprises an ethernet bus, a serial port bus, a CAN bus, and a GSML bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110192097.0A CN114973817A (en) | 2021-02-20 | 2021-02-20 | Intelligent networking automobile sensor teaching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110192097.0A CN114973817A (en) | 2021-02-20 | 2021-02-20 | Intelligent networking automobile sensor teaching system |
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| CN114973817A true CN114973817A (en) | 2022-08-30 |
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| CN202110192097.0A Pending CN114973817A (en) | 2021-02-20 | 2021-02-20 | Intelligent networking automobile sensor teaching system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117690328A (en) * | 2024-01-31 | 2024-03-12 | 深圳风向标教育资源股份有限公司 | Intelligent networking virtual simulation training teaching management system |
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