CN203689732U - Automotive electronic networked fault simulation assessment apparatus - Google Patents
Automotive electronic networked fault simulation assessment apparatus Download PDFInfo
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- CN203689732U CN203689732U CN201420038419.1U CN201420038419U CN203689732U CN 203689732 U CN203689732 U CN 203689732U CN 201420038419 U CN201420038419 U CN 201420038419U CN 203689732 U CN203689732 U CN 203689732U
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Abstract
The utility model provides an automotive electronic networked fault simulation assessment apparatus which comprises at least one signal detecting and fault setting module, a switch and a host. Each signal detecting and fault setting module is connected with an engine practical training apparatus. Multiple signal detecting and fault setting module realize data exchange with the host via a network through the switch. Each signal detecting and fault setting module includes a mainboard, a basic information display plate, a first fault setting board and a second fault setting board, an indicator light board, an Internet access adapter plate, a voltmeter adapter plate and an input keyboard, wherein the mainboard includes multiple signal ports and adopts an STC12C5628AD_LQFP32 as a master control chip and controls each daughter module. The automotive electronic networked fault simulation assessment apparatus can better combine object teaching with web-based teaching, and helps to improve remote control capability of the equipment.
Description
Technical field
The utility model relates to a kind of automotive electronics experimental teaching unit, particularly relates to a kind of automotive electronics networking fault simulation checking device.
Background technology
Traditional teaching means cannot well solve theory and practice discrepancy at present, in teaching process, can not well give prominence to focal points, break through teaching difficulty, the real-time detectability of teaching efficiency is poor, also cannot well solve the contradiction that current teaching and real training content and industry and enterprise demand differ greatly.Simultaneously, what the examination of conventional teaching effect was often taked is take written examination as main, more auxiliary ability of practice examinations, and this examination form lacks systematicness, standardization, can not carry out omnibearing examination to student, can not improve student and process the ability of practical problems.How student being carried out to comprehensive examination, form the normalized teaching of systematization examination pattern, improve student and start ability to solve problem, is the emphasis that China skilled talents cultivate.Along with development and the popularization of Internet technology, networked teaching and the tele-control system based on internet are also used widely, how to utilize this resource of internet, existing teaching equipment is carried out to network transformation, object teaching and the Web-based instruction can better be combined, improving the remote control ability to equipment, is also a problem demanding prompt solution.
Utility model content
The utility model object is to provide a kind of automotive electronics networking fault simulation checking device, object teaching can be combined better with the Web-based instruction, improves the remote control ability to equipment.
For reaching above-mentioned purpose, the technical scheme that the utility model adopts is as follows:
A kind of automotive electronics networking fault simulation checking device, comprise that at least one input and fault arrange module, switch and host computer, described each input arranges module with fault and is all connected with an engine actual training device, described multiple each input and fault arrange module and realize data interaction by switch via network and described host computer, described host computer comprises display, central processing unit, storer and input keyboard, described input and fault arrange module and comprise mainboard, essential information display board, plate is set Fisrt fault and the second fault arranges plate, plate and the second fault be set arrange the LED Unit of the corresponding setting of plate with described Fisrt fault, network interface card extender, voltage table card extender and input keyboard, wherein:
Described mainboard is made up of following Yangtze plate: show that _ 595 control ports, fault arrange 595 control ports, pilot lamp 12V OUT port, button connectivity port, serial ports port, 12V OUT port, 5V OUT port, 12V IN port, signal for faster port, igniting, extinguishing signal port and reserved expansion mouthful, this mainboard adopts STC12C5628AD_LQFP32 as main control chip, controls each Yangtze plate;
The pilot lamp 12V OUT port of described mainboard connects the 12V IN port of the first LED Unit, as the power supply input of the first LED Unit;
Demonstration _ 595 control port of described mainboard connects the 595IN port in essential information display board, described essential information display board comprises that 2 common cathode LED charactron DPY-TOS-31H5101AG-B carry out data demonstration, adopts respectively 74HC595 and 74LS595 to drive and control described 2 common cathode LED charactrons simultaneously;
The fault of described mainboard arranges 595 control ports and is connected to described Fisrt fault and arranges the 595IN port of plate, for this Fisrt fault of mainboard control, plate is set, described Fisrt fault arranges plate and the second fault and plate is set includes respectively a LED Unit connector, a 595IN port, a 595OUT port, a 12V IN port, a signal input line port, a signal output and multiple relay, wherein: signal input line port and signal output are connected to described engine actual training device, for receiving and dispatching real training data; Relay arranges fault-signal for the simulation under mechanical system; 2 12VOUT ports on described mainboard are connected to respectively Fisrt fault and plate and the second fault are set arrange the 12VIN port of plate, plate and the second fault are set arrange the power supply supply of plate as Fisrt fault;
5V OUT port on described mainboard connects the 5V IN port of described voltage card extender, as the power supply of this voltage card extender, is provided with 3 voltage table ports, for patching voltage table in described voltage card extender;
Described button connectivity port connects a matrix keyboard, for the fault-signal setting under keyboard mode;
Described essential information display board connects described the first LED Unit and the second LED Unit by its 595OUT port, to realize the mutual of essential information and to light corresponding pilot lamp;
Described serial ports port is connected with the serial ports of described network interface card extender, and described host computer is connected with the network interface in this network interface card extender, for network service.
Further, in embodiment, described matrix keyboard is a 4*4 matrix keyboard.
Further, in embodiment, described serial ports card extender comprises an Ethernet to serial interface, is specially ZNE-100TL chip, and this ZNE-100TL chip is combined and is realized the bi-directional conversion between TCP/IP and RS-232/485 with the serial ports of network interface card extender; The network interface of described network interface card extender is RJ45 network interface, and it comprises a RJ45 network interface gang socket.
Further in embodiment, TXD port in ZNE-100TL chip is connected with the RXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 4, between two ports, be connected with power supply VCC CPU by pull-up resistor R3, R3 resistance is 4.7K Ω, and the resistance of R4 is 220 Ω; RXD port in ZNE-100TL main control chip is connected with the TXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 2, between two ports, be connected with power supply VCC CPU by pull-up resistor R1, R1 resistance is 4.7K Ω, and the resistance of R2 is 220 Ω; Port TXD, the RXD of aforementioned ZNE-100TL chip and main control chip STC12C5628AD_LQFP32 is for sending or receive rs 232 serial interface signal; Port Ethernet TX+, Ethernet TX-in ZNE-100TL chip, Ethernet RX+, Ethernet RX-respectively with corresponding being connected of port TX+, TX-, RX+, RX-of RJ45 network interface gang socket, realize by Ethernet for host computer and described input and fault arrange the communication between module; Port COM_CFG in ZNE-100TL chip is connected with power supply VCCCPU by resistance R 5, is normal mode of operation for ZNE-100TL chip is set, and the resistance of R5 is 10K Ω; Port one 00M_LINK_LED in ZNE-100TL chip is connected with port GLED-by resistance R 6, and port ACT_LED is connected with port YLED-by resistance R 7, is all used to indicate current network state, and the resistance of R6 and R7 is 10K Ω; The port SHELL of RJ45 network interface gang socket is connected to the ground by capacitor C 1, and its port GLED+, YLED+ are directly connected with power supply VCCCPU.
Further, in embodiment, described host computer is PC.
From above the technical solution of the utility model, the beneficial effects of the utility model are: 1) fault simulation arranges type variation, comprise open circuit, short circuit, loose contact, ground connection etc., are equipped with the pilot lamp indication fault type of different colours simultaneously.2) use machinery, keyboard and network remote failure that three kinds of different modes are set and carry out fault setting, and arrange in the present experimental stand of module body by input and fault, the input plate that simultaneously can arrange in module by input and fault carries out input.3) can realize four kinds of different duties, comprise idle condition, schematic diagram teaching state, fault learning state and fault examination state, wherein the state of acquiescence is idle condition.Serve as a teacher while selecting to be switched to schematic diagram teaching state, teacher can impart knowledge to students to the circuit theory diagrams on experimental stand, allows student further understand the principle of related experimental project; In the time selecting to be operated in fault learning state, student can carry out fault simulation setting to experimental stand, and the phenomenon of the failure of observation experiment stand, thereby student is learnt various fault types and phenomenon thereof; In the time selecting to be operated in fault examination state, teacher can be according to student the simulation setting to fault and eliminating situation examine, understand the investigation ability of student to most common failure, teacher can unified management student simultaneously information and the result of appraisal.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the framework schematic diagram of a kind of automotive electronics networking of the utility model one embodiment fault simulation checking device.
Fig. 2 is the circuit diagram of the first LED Unit.
Fig. 3 is the circuit diagram of the second LED Unit.
Fig. 4 is the circuit diagram of essential information display board.
Fig. 5 is the circuit connection diagram of mainboard and keyboard.
Fig. 6 is the circuit diagram of network interface card extender.
Fig. 7 is the circuit diagram of voltage table card extender.
Fig. 8 is the circuit diagram that Fisrt fault arranges plate.
Fig. 9 is the circuit diagram that the second fault arranges plate.
Figure 10 is the circuit diagram of mainboard main control chip.
Figure 11 is the circuit connection diagram of RJ45 network interface gang socket.
Embodiment
In order more to understand technology contents of the present utility model, especially exemplified by specific embodiment and coordinate appended graphic being described as follows.
As shown in Figure 1, according to preferred embodiment of the present utility model, a kind of automotive electronics networking fault simulation checking device, comprise that at least one input and fault arrange module, switch and host computer, described each input arranges module with fault and is all connected with an engine actual training device, described multiple each input and fault arrange module and realize data interaction by switch via network and described host computer, described host computer comprises display, central processing unit, storer and input keyboard, described input and fault arrange module and comprise mainboard, essential information display board, plate is set Fisrt fault and the second fault arranges plate, plate and the second fault be set arrange the LED Unit of the corresponding setting of plate with described Fisrt fault, network interface card extender, voltage table card extender and input keyboard.
In the present embodiment, mainboard is made up of following Yangtze plate: show that _ 595 control ports, fault arrange 595 control ports, pilot lamp 12V OUT port, button connectivity port, serial ports port, 12V OUT port, 5V OUT port, 12V IN port, signal for faster port, igniting, extinguishing signal port and reserved expansion mouthful, this mainboard adopts STC12C5628AD_LQFP32 as main control chip, controls each Yangtze plate.
Below in conjunction with the circuit connection diagram shown in Fig. 2-Fig. 9, describe being connected between above-mentioned mainboard and each Yangtze plate in detail.
Demonstration _ 595 control port on described mainboard connects the 595IN port in essential information display board, described essential information display board comprises that 2 common cathode LED charactron DPY-TOS-31H5101AG-B carry out data demonstration, adopts respectively 74HC595 and 74LS595 to drive and control described 2 common cathode LED charactrons simultaneously.
Described essential information display board is connected to described the first LED Unit and the second LED Unit by its 595OUT port respectively, to realize the mutual of essential information and to light corresponding pilot lamp.
The fault of described mainboard arranges 595 control ports and is connected to described Fisrt fault and arranges the 595IN port of plate, for this Fisrt fault of mainboard control, plate is set, described Fisrt fault arranges plate and the second fault and plate is set includes respectively a LED Unit connector, a 595IN port, a 595OUT port, a 12V IN port, a signal input line port, a signal output and multiple relay, wherein: signal input line port and signal output are connected to described engine actual training device, for receiving and dispatching real training data; Relay arranges fault-signal for the simulation under mechanical system; 2 12VOUT ports on described mainboard are connected to respectively Fisrt fault and plate and the second fault are set arrange the 12V IN port of plate, plate and the second fault are set arrange the power supply supply of plate as Fisrt fault.
5V OUT port on described mainboard connects the 5V IN port of described voltage card extender, as the power supply of this voltage card extender, is provided with 3 voltage table ports, for patching voltage table in described voltage card extender.
Described button connectivity port connects a matrix keyboard, for the fault-signal setting under keyboard mode.As optionally, for example, adopt a 4*4 matrix keyboard.
Described serial ports port is connected with the serial ports of described network interface card extender, and described host computer is connected with the network interface in this network interface card extender, for network service.
As optionally, described host computer is PC, can be individual PC, can be also industrial PC.
In the present embodiment, as preferably, aforementioned serial ports card extender comprises an Ethernet to serial interface, is specially ZNE-100TL chip, and this ZNE-100TL chip is combined and is realized the bi-directional conversion between TCP/IP and RS-232/485 with the serial ports of network interface card extender; The network interface of described network interface card extender is RJ45 network interface, and it comprises a RJ45 network interface gang socket.
Particularly, shown in Fig. 5, Fig. 6 and Figure 10, Figure 11, TXD port in ZNE-100TL chip is connected with the RXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 4, between two ports, be connected with power supply VCC CPU by pull-up resistor R3, R3 resistance is 4.7K Ω, and the resistance of R4 is 220 Ω; RXD port in ZNE-100TL main control chip is connected with the TXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 2, between two ports, be connected with power supply VCC CPU by pull-up resistor R1, R1 resistance is 4.7K Ω, and the resistance of R2 is 220 Ω; Port TXD, the RXD of aforementioned ZNE-100TL chip and main control chip STC12C5628AD_LQFP32 is for sending or receive rs 232 serial interface signal; Port Ethernet TX+, Ethernet TX-in ZNE-100TL chip, Ethernet RX+, Ethernet RX-respectively with corresponding being connected of port TX+, TX-, RX+, RX-of RJ45 network interface gang socket, realize by Ethernet for host computer and described input and fault arrange the communication between module; Port COM_CFG in ZNE-100TL chip is connected with power supply VCCCPU by resistance R 5, is normal mode of operation for ZNE-100TL chip is set, and the resistance of R5 is 10K Ω; Port one 00M_LINK_LED in ZNE-100TL chip is connected with port GLED-by resistance R 6, and port ACT_LED is connected with port YLED-by resistance R 7, is all used to indicate current network state, and the resistance of R6 and R7 is 10K Ω; The port SHELL of RJ45 network interface gang socket is connected to the ground by capacitor C 1, and its port GLED+, YLED+ are directly connected with power supply VCC CPU.
Although the utility model discloses as above with preferred embodiment, so it is not in order to limit the utility model.Under the utility model, in technical field, have and conventionally know the knowledgeable, not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations.Therefore, protection domain of the present utility model is when being as the criterion depending on claims person of defining.
Claims (5)
1. an automotive electronics networking fault simulation checking device, it is characterized in that, comprise that at least one input and fault arrange module, switch and host computer, described each input arranges module with fault and is all connected with an engine actual training device, described multiple each input and fault arrange module and realize data interaction by switch via network and described host computer, described host computer comprises display, central processing unit, storer and input keyboard, described input and fault arrange module and comprise mainboard, essential information display board, plate is set Fisrt fault and the second fault arranges plate, plate and the second fault be set arrange the LED Unit of the corresponding setting of plate with described Fisrt fault, network interface card extender, voltage table card extender and input keyboard, wherein:
Described mainboard is made up of following Yangtze plate: show that _ 595 control ports, fault arrange 595 control ports, pilot lamp 12V OUT port, button connectivity port, serial ports port, 12V OUT port, 5V OUT port, 12V IN port, signal for faster port, igniting, extinguishing signal port and reserved expansion mouthful, this mainboard adopts STC12C5628AD_LQFP32 as main control chip, controls each Yangtze plate;
The pilot lamp 12V OUT port of described mainboard connects the 12V IN port of the first LED Unit, as the power supply input of the first LED Unit;
Demonstration _ 595 control port of described mainboard connects the 595IN port in essential information display board, described essential information display board comprises that 2 common cathode LED charactron DPY-TOS-31H5101AG-B carry out data demonstration, adopts respectively 74HC595 and 74LS595 to drive and control described 2 common cathode LED charactrons simultaneously;
The fault of described mainboard arranges 595 control ports and is connected to described Fisrt fault and arranges the 595IN port of plate, for this Fisrt fault of mainboard control, plate is set, described Fisrt fault arranges plate and the second fault and plate is set includes respectively a LED Unit connector, a 595IN port, a 595OUT port, a 12V IN port, a signal input line port, a signal output and multiple relay, wherein: signal input line port and signal output are connected to described engine actual training device, for receiving and dispatching real training data; Relay arranges fault-signal for the simulation under mechanical system; 2 12VOUT ports on described mainboard are connected to respectively Fisrt fault and plate and the second fault are set arrange the 12VIN port of plate, plate and the second fault are set arrange the power supply supply of plate as Fisrt fault;
5V OUT port on described mainboard connects the 5V IN port of described voltage card extender, as the power supply of this voltage card extender, is provided with 3 voltage table ports, for patching voltage table in described voltage card extender;
Described button connectivity port connects a matrix keyboard, for the fault-signal setting under keyboard mode;
Described essential information display board connects described the first LED Unit and the second LED Unit by its 595OUT port, to realize the mutual of essential information and to light corresponding pilot lamp;
Described serial ports port is connected with the serial ports of described network interface card extender, and described host computer is connected with the network interface in this network interface card extender, for network service.
2. automotive electronics networking fault simulation checking device according to claim 1, is characterized in that, described matrix keyboard is a 4*4 matrix keyboard.
3. automotive electronics networking fault simulation checking device according to claim 1, it is characterized in that, described serial ports card extender comprises an Ethernet to serial interface, be specially ZNE-100TL chip, this ZNE-100TL chip is combined and is realized the bi-directional conversion between TCP/IP and RS-232/485 with the serial ports of network interface card extender; The network interface of described network interface card extender is RJ45 network interface, and it comprises a RJ45 network interface gang socket.
4. automotive electronics networking fault simulation checking device according to claim 3, it is characterized in that, TXD port in ZNE-100TL chip is connected with the RXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 4, between two ports, be connected with power supply VCC CPU by pull-up resistor R3, R3 resistance is 4.7K Ω, and the resistance of R4 is 220 Ω; RXD port in ZNE-100TL main control chip is connected with the TXD port of mainboard main control chip STC12C5628AD_LQFP32 by resistance R 2, between two ports, be connected with power supply VCC CPU by pull-up resistor R1, R1 resistance is 4.7K Ω, and the resistance of R2 is 220 Ω; Port TXD, the RXD of aforementioned ZNE-100TL chip and main control chip STC12C5628AD_LQFP32 is for sending or receive rs 232 serial interface signal; Port Ethernet TX+, Ethernet TX-in ZNE-100TL chip, Ethernet RX+, Ethernet RX-respectively with corresponding being connected of port TX+, TX-, RX+, RX-of RJ45 network interface gang socket, realize by Ethernet for host computer and described input and fault arrange the communication between module; Port COM_CFG in ZNE-100TL chip is connected with power supply VCCCPU by resistance R 5, is normal mode of operation for ZNE-100TL chip is set, and the resistance of R5 is 10K Ω; Port one 00M_LINK_LED in ZNE-100TL chip is connected with port GLED-by resistance R 6, and port ACT_LED is connected with port YLED-by resistance R 7, is all used to indicate current network state, and the resistance of R6 and R7 is 10K Ω; The port SHELL of RJ45 network interface gang socket is connected to the ground by capacitor C 1, and its port GLED+, YLED+ are directly connected with power supply VCCCPU.
5. automotive electronics networking fault simulation checking device according to claim 1, is characterized in that, described host computer is PC.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420038419.1U CN203689732U (en) | 2014-01-21 | 2014-01-21 | Automotive electronic networked fault simulation assessment apparatus |
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| CN201420038419.1U CN203689732U (en) | 2014-01-21 | 2014-01-21 | Automotive electronic networked fault simulation assessment apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274772A (en) * | 2019-07-09 | 2019-09-24 | 四川工程职业技术学院 | A kind of remote failure setting of entire new energy automobile experimental bench and diagnostic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274772A (en) * | 2019-07-09 | 2019-09-24 | 四川工程职业技术学院 | A kind of remote failure setting of entire new energy automobile experimental bench and diagnostic system |
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Granted publication date: 20140702 Termination date: 20200121 |
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