CN203134173U - Automobile sensor signal simulation training device - Google Patents
Automobile sensor signal simulation training device Download PDFInfo
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- CN203134173U CN203134173U CN 201320134529 CN201320134529U CN203134173U CN 203134173 U CN203134173 U CN 203134173U CN 201320134529 CN201320134529 CN 201320134529 CN 201320134529 U CN201320134529 U CN 201320134529U CN 203134173 U CN203134173 U CN 203134173U
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Abstract
The utility model relates to an automobile sensor signal simulation training device which comprises a control circuit formed by a single chip microcomputer, and the periphery of the single chip microcomputer is respectively provided with a touch screen, a frequency signal output module, a voltage signal output module, a resistance signal output module and a communication interface module which are connected. The communication interface module is connected with a diagnosis interface OBD II. The communication between the single chip computer and an automobile decoding apparatus is realized, a fault type and a fault code are set by the single chip microcomputer, and the signal data flow of an automobile computer can be simulated. A fault state of a sensor can be simulated, and the fault is represented. The automobile sensor signal simulation training device has the advantages that the special sensor detection function of the device is utilized, a user is helped to master the diagnosis and repair skills of a common automobile sensor, the analysis ability of the detection and diagnosis of an automotive electronic control system fault of the user is raised, problems of single mode and large loss of an automotive electronic control system fault diagnosis training can be solved to a certain extent, and the efficiency and flexibility of automobile electronic equipment training are raised.
Description
Technical field
The utility model relates to the device of automobile electric control system real training, and is a kind of for automobile sensor signal imitation actual training device specifically, has automobile sensor signal imitation, communication and fault function is set.
Technical background
Along with the development of automotive engineering, the kind of vehicle electronics and sensor and quantity are more and more, and the wire harness connection also becomes increasingly complex, and bring very big difficulty for vehicle electrically controlling system fault diagnosis real training.The automobile sensor practical traning platform that uses adopts former car sensor at present, and cost is higher and can't adjust sensor output signal easily and flexibly.
The utility model content
The purpose of this utility model is exactly in order to solve the higher awkward shortcoming of cost that existing automobile sensor practical traning platform adopts former car sensor to exist, a kind of automobile sensor signal imitation actual training device that proposes, it has automobile sensor signal imitation output and fault arranges function, and can be connected communication with the automobile instrument of decoding, realize the simulated failure diagnosis.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of automobile sensor signal imitation actual training device, it is characterized in that comprising: the control circuit that single-chip microcomputer is formed, SCM peripheral is respectively arranged with touch-screen, frequency signal output module, voltage signal output module, the resistance signal output module that is connected and the communication interface module that links to each other with diagnose interface OBD II.
On the basis of technique scheme, following further technical scheme can be arranged:
Be connected with on-site programmable gate array FPGA between described touch-screen and the single-chip microcomputer.
Frequency signal output module, voltage signal output module, resistance signal output module all arrange spring-loaded pushbutton, by spring-loaded pushbutton output signal are set.
Be provided with D/A converter module in the middle of single-chip microcomputer and the voltage signal output module, be provided with digital resistance modular converter in the middle of single-chip microcomputer and the resistance signal output module.
Single chip machine controlling circuit of the present utility model is provided with automobile sensor connector socket commonly used and terminal, can make recurrence of failure by the Single-chip Controlling simulation various automobile sensor signals of output and malfunction;
Control circuit is provided with OBD
Diagnose interface, single-chip microcomputer and automobile decoding instrument is realized communicating by letter, and by single-chip microcomputer fault type and code is set, and data stream that can analog sensor signal.
The utility model is provided with a transfer switch, can directly connect to use the automobile storage battery power supply, also can use the alternating current 220V power supply.
The utility model is provided with two kinds of sensor output signals and adjusts mode:
1. the output module of each sensor signal all arranges spring-loaded pushbutton and adjusts output signal, and by the LED charactron, simulation shows the current output signal value of sensor, as shown in Figure 1.
2. liquid crystal touch screen is set, by menu centralized displaying and adjustment sensor output signal.
Principle of work of the present utility model is as follows:
By single chip machine controlling circuit simulation output automobile sensor signal commonly used, communicate by letter output failure code and data stream by standard OBDII diagnose interface with automobile decoding instrument.By liquid crystal touch screen or spring-loaded pushbutton selection function, the current output signal value of sensor is set.
Simulating signal comprises frequency simulating signal, voltage analog signal and resistance simulation signal.
1. frequency simulating signal
Frequency signal is used quite general in automobile sensor, reflects the change of physical state according to the variation of frequency, but signals such as analog digital formula air flowmeter, photoelectric tachometric transducer, hall-effect speed sensor.
2. voltage signal simulation
Voltage signal is common signal in the sensor, and be generally: the 0-5V(lambda sensor is generally: 0-1V), reflect various physical states according to the variation of voltage, but the signal of sensors such as simulated air flow, pressure, throttle opening.
3. resistance signal simulation
Signals such as simulation coolant temperature, intake air temperature and air-conditioner temperature.
The utility model advantage
1. utilize this actual training device can help the user to deepen the various working sensor principles in the automobile electric control system and the understanding of signal characteristic;
2. utilize the distinctive sensor measuring ability of this instrument, help the user to grasp diagnosis and the maintenance skills of common automobile sensor;
3. the difference of performance between contrast fault sensor and the normal sensor is familiar with the automatically controlled fault that some are caused by sensor, improves user's detection and diagnosis automobile electric control system faults analysis ability.
4, the automobile sensor signal imitation actual training device that provides of the utility model can solve the problem that vehicle electrically controlling system fault diagnosis real training mode is single, loss is big to a certain extent, improves high efficiency and the dirigibility of vehicle electronics real training.
Description of drawings:
Fig. 1 is control panel structural drawing of the present utility model;
Fig. 2 is schematic block circuit diagram of the present utility model;
Fig. 3 is schematic block circuit diagram of the present utility model;
Fig. 4 is the utility model communication interface partial circuit figure.
Among Fig. 1, comprise liquid crystal touch screen, spring-loaded pushbutton, LED charactron, junction block, OBDII diagnose connector, power switch.
Embodiment:
Embodiment one,
As shown in Figure 2, a kind of automobile sensor signal imitation actual training device that the utility model provides, comprise the control circuit of being made up of single-chip microcomputer, SCM peripheral is respectively arranged with touch-screen, frequency signal output module, voltage signal output module, the resistance signal output module that is connected and the communication interface module that links to each other with diagnose interface OBD II.
Be connected with on-site programmable gate array FPGA between described touch-screen and the single-chip microcomputer.Be provided with D/A converter module in the middle of single-chip microcomputer and the voltage signal output module, be provided with digital resistance modular converter in the middle of single-chip microcomputer and the resistance signal output module.
Liquid crystal touch screen is set, by menu centralized displaying and adjustment sensor output signal.For example can export the throttle opening variable signal, simulation throttle sensor fault; Simulation lambda sensor feedback signal; The signal data stream of automobile computer is set.
Communication interface module in the utility model, can adopt as shown in Figure 4 be the communication interface circuit.
Embodiment two, as shown in Figure 3, utilize spring-loaded pushbutton to replace touch-screen to adjust sensor output signal, and show by the LED charactron.Implementation method is the same.
Claims (4)
1. automobile sensor signal imitation actual training device, it is characterized in that comprising: the control circuit that single-chip microcomputer is formed, SCM peripheral is respectively arranged with touch-screen, frequency signal output module, voltage signal output module, the resistance signal output module that is connected and the communication interface module that links to each other with diagnose interface OBD II.
2. automobile sensor signal imitation actual training device according to claim 1 is characterized in that being connected with on-site programmable gate array FPGA between described touch-screen and the single-chip microcomputer.
3. automobile sensor signal imitation actual training device according to claim 1, it is characterized in that: frequency signal output module, voltage signal output module, resistance signal output module all arrange spring-loaded pushbutton, by spring-loaded pushbutton output signal are set.
4. according to claim 1,2 or 3 described automobile sensor signal imitation actual training devices, it is characterized in that: be provided with D/A converter module in the middle of single-chip microcomputer and the voltage signal output module, be provided with digital resistance modular converter in the middle of single-chip microcomputer and the resistance signal output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320134529 CN203134173U (en) | 2013-03-23 | 2013-03-23 | Automobile sensor signal simulation training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320134529 CN203134173U (en) | 2013-03-23 | 2013-03-23 | Automobile sensor signal simulation training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134173U true CN203134173U (en) | 2013-08-14 |
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ID=48942125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320134529 Expired - Fee Related CN203134173U (en) | 2013-03-23 | 2013-03-23 | Automobile sensor signal simulation training device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203134173U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258455A (en) * | 2013-03-23 | 2013-08-21 | 郭玉 | Automobile sensor signal simulated practical training device |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN110687901A (en) * | 2019-10-31 | 2020-01-14 | 重庆长安汽车股份有限公司 | Simulation test platform |
-
2013
- 2013-03-23 CN CN 201320134529 patent/CN203134173U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258455A (en) * | 2013-03-23 | 2013-08-21 | 郭玉 | Automobile sensor signal simulated practical training device |
| CN108896089A (en) * | 2018-06-14 | 2018-11-27 | 广东松山职业技术学院 | A kind of automobile sensor Fault Quick Diagnosis system and its diagnostic method |
| CN108896089B (en) * | 2018-06-14 | 2024-05-17 | 广东松山职业技术学院 | Automobile sensor fault rapid diagnosis system and diagnosis method thereof |
| CN110687901A (en) * | 2019-10-31 | 2020-01-14 | 重庆长安汽车股份有限公司 | Simulation test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140323 |