CN202886984U - Locomotive microcomputer testing stand - Google Patents
Locomotive microcomputer testing stand Download PDFInfo
- Publication number
- CN202886984U CN202886984U CN 201220488209 CN201220488209U CN202886984U CN 202886984 U CN202886984 U CN 202886984U CN 201220488209 CN201220488209 CN 201220488209 CN 201220488209 U CN201220488209 U CN 201220488209U CN 202886984 U CN202886984 U CN 202886984U
- Authority
- CN
- China
- Prior art keywords
- locomotive
- microcomputer
- control computer
- industrial control
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of an internal combustion locomotive, in particular to a locomotive microcomputer testing stand, comprising an industrial control computer and a locomotive vehicle-mounted microcomputer, wherein between the industrial control computer and the locomotive vehicle-mounted microcomputer there is provided an optoelectronic isolation apparatus, the industrial control computer is connected with a switch value signal, an analog value signal and a frequency value signal, the locomotive vehicle-mounted microcomputer is connected with a chamber screen 1 and a chamber screen 2, and the locomotive vehicle-mounted microcomputer is connected with the chamber screen 1 and the chamber screen 2 through a CAN bus. The locomotive microcomputer testing stand is simple in structure, realizes the on-line simulation of working conditions of a locomotive, and clearly displays the operations state of the locomotive through a locomotive touch screen, thereby achieving the purpose of verifying the reliability of the locomotive microcomputer system.
Description
Technical field
The utility model relates to a kind of testing table, relates in particular to a kind of locomotive microcomputer testing table.
Background technology
Diesel locomotive adopts brand-new locomotive microcomputer system, can Real-time Collection cab signal, for example locomotive operation operating mode, locomotive present speed, diesel engine speed, oil temperature, engine oil pressure etc.; Realize simultaneously the logic control of locomotive, for example diesel engine start and stop, locomotive speed control, locomotive power are controlled, are sanded and control etc.Be used for the testing table of internal combustion engine for detecting the microsystem hardware fault and checking that the rationality of software program is most important.
Summary of the invention
The technical problems to be solved in the utility model is: be used for the testing table of internal combustion engine for detecting the microsystem hardware fault and checking that the rationality of software program is most important, a kind of locomotive microcomputer testing table is provided.
In order to overcome the defective that exists in the background technology, the technical scheme that its technical matters that solves the utility model adopts is: this locomotive microcomputer testing table comprises industrial control computer and locomotive vehicle-mounted microcomputer, described industrial control computer be provided with the photoelectricity isolation between the locomotive vehicle-mounted microcomputer is connected, described industrial control computer connecting valve amount signal, analog signals and frequency quantity signal, described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen, and described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen by the CAN bus.
According to another embodiment of the invention, comprise that further described analog signals connects capture card.
According to another embodiment of the invention, comprise that further described switching value signal connects PLC.
According to another embodiment of the invention, further comprise described frequency quantity signal rate of connections amount expansion module.
The beneficial effects of the utility model are: this locomotive microcomputer testing table simple in structure, realized the online simulation of locomotive operating mode, by the CAN bus, on the locomotive touch screen, can show clearly locomotive running state simultaneously, reach the purpose of verification locomotive microsystem reliability.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, comprise industrial control computer and locomotive vehicle-mounted microcomputer, described industrial control computer be provided with the photoelectricity isolation between the locomotive vehicle-mounted microcomputer is connected, described industrial control computer connecting valve amount signal, analog signals and frequency quantity signal, described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen, and described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen by the CAN bus.
Analog signals connects capture card.
The switching value signal connects PLC.
Frequency quantity signal rate of connections amount expansion module.
According to the source of analyzing all signals of locomotive, the signal of locomotive microcomputer system is classified: analog input/output, switching value I/O, frequency quantity input.By the CAN bus communication, the touch-screen at locomotive two ends can show locomotive state in real time simultaneously.
The input of switching value, output realize that by Siemens S7-200PLC and expansion module EM 223 isolation connects, various kinds of vehicles actuating signal on the simulation locomotive, output is inputted, write to industrial control computer and locomotive vehicle-mounted microcomputer by real-time the reading of photoelectricity isolated communication realization.
Eight tunnels analogy template cards and eight tunnels analogy amount capture cards are selected in the input of analog quantity, output, and various analog signalses on the simulation locomotive are realized reading input, writing output by industrial control computer.
The frequency quantity signal is by pulse output expansion module, realizes the high-frequency impulse of the highest 20KHz, the pulse signal that various speed probes send on the simulation locomotive.
After all hardware configurations are finished, be to realize overhead control by the MCGS configuration software, operation interface is clear, friendly.
This locomotive microcomputer testing table simple in structure realized the online simulation of locomotive operating mode simultaneously by the CAN bus, can showing clearly locomotive running state on the locomotive touch screen, reached the purpose of verification locomotive microsystem reliability.
Claims (4)
1. locomotive microcomputer testing table, comprise industrial control computer and locomotive vehicle-mounted microcomputer, it is characterized in that: described industrial control computer be provided with the photoelectricity isolation between the locomotive vehicle-mounted microcomputer is connected, described industrial control computer connecting valve amount signal, analog signals and frequency quantity signal, described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen, and described locomotive vehicle-mounted microcomputer connects Room screen and two Room screen by the CAN bus.
2. locomotive microcomputer testing table as claimed in claim 1 is characterized in that: described analog signals connection capture card.
3. locomotive microcomputer testing table as claimed in claim 1 is characterized in that: described switching value signal connection PLC.
4. locomotive microcomputer testing table as claimed in claim 1 is characterized in that: described frequency quantity signal rate of connections amount expansion module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488209 CN202886984U (en) | 2012-09-24 | 2012-09-24 | Locomotive microcomputer testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488209 CN202886984U (en) | 2012-09-24 | 2012-09-24 | Locomotive microcomputer testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202886984U true CN202886984U (en) | 2013-04-17 |
Family
ID=48078391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220488209 Expired - Fee Related CN202886984U (en) | 2012-09-24 | 2012-09-24 | Locomotive microcomputer testing stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202886984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324189A (en) * | 2013-06-21 | 2013-09-25 | 南车戚墅堰机车有限公司 | Novel microcomputer testbed |
-
2012
- 2012-09-24 CN CN 201220488209 patent/CN202886984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103324189A (en) * | 2013-06-21 | 2013-09-25 | 南车戚墅堰机车有限公司 | Novel microcomputer testbed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20170924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |