CN202305238U - Test bed for detecting combination property of air pipeline cabinet of locomotive brake system - Google Patents
Test bed for detecting combination property of air pipeline cabinet of locomotive brake system Download PDFInfo
- Publication number
- CN202305238U CN202305238U CN2011203034904U CN201120303490U CN202305238U CN 202305238 U CN202305238 U CN 202305238U CN 2011203034904 U CN2011203034904 U CN 2011203034904U CN 201120303490 U CN201120303490 U CN 201120303490U CN 202305238 U CN202305238 U CN 202305238U
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- industrial computer
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- pipe line
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Abstract
The utility model discloses a test bed for detecting combination property of an air pipeline cabinet of a locomotive brake system, which comprises an air circuit part and a circuit part, wherein the air circuit part is composed of an operating valve, a blast pressure gauge, a manual/air control cock, a volume air cylinder, a pressure regulating valve and a check valve, which are connected with each other via a pipeline; the pipeline of the air circuit part is connected with a corresponding pipeline of the air pipeline cabinet to be tested, the air circuit part is used for simulating the pipeline volume of the locomotive according to a proportion of 1:1, and pressure sensors are respectively arranged on the branch air circuits; the circuit part comprises an input power distribution module, a pressure sensor, a PLC and an I/0 expansion module, an industrial computer, a display and a printer, and the like, the output end of the PLC is used for controlling the air control cock of the air circuit part and collecting the pressure data of the pressure sensors of the air circuit part, and the output signal of the air pipeline cabinet is processed by the PLC via the conversion of a photoelectric isolation plate; and the industrial computer is connected with the PLC via an RS-232 serial port, and the industrial computer is used for receiving the input test parameters, sending a command to the PLC to drive the PLC to execute actions, and receiving feedback signals uploaded by the PLC.
Description
Technical field
The utility model relates to the locomotive brake control system, refers in particular to a kind of testing table that locomotive braking system air pipe line cabinet combination property detects that is used for.
Background technology
At present; Locomotive braking system air pipe line cabinet testing table is realized the detection to the air pipe line cabinet with the large and small lock of manual operations; Lack system controlled by computer, reading of data mainly is the demonstration that relies on metering outfit, thereby data are judged to read and had artificial error; And can't dynamically show the test process in the process of the test, thereby the incompatible needs of producing, overhauling.
The utility model content
To the deficiency that prior art exists, the utility model technical matters to be solved provides a kind of can carrying out from dynamic test, and can dynamically show the testing table that locomotive braking system air pipe line cabinet combination property detects that is used for of test process and data.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of testing table that is used for the detection of locomotive braking system air pipe line cabinet combination property; It comprises air path part and circuit part; This air path part control valve, a plurality of draft gauge, a plurality of manually/gas control plug door, a plurality of volume reservoir, pressure regulator valve and non-return valve be formed by connecting through pipeline, the pipeline of this air path part connects the corresponding pipeline of air pipe line cabinet to be measured, it is characterized in that:
This air path part is respectively equipped with pressure transducer according to the pipeline volume of 1: 1 scale modeling locomotive on each branch's gas circuit of this air path part;
This circuit part comprises input Power entry module, pressure transducer, PLC and I/O expansion module, industrial computer and display, printer; This industrial computer connects display and printer; This industrial computer connects PLC through the RS-232 serial ports simultaneously, and the output terminal of PLC connects the gas control plug door of air path part; The input end of this PLC connects each pressure transducer of air path part, makes PLC can gather the pressure data of each branch's gas circuit and is delivered to industrial computer; The input end of this PLC is connected through the output terminal of optical isolation board with the air pipe line cabinet, and the output signal that makes the air pipe line cabinet is sent into PLC and is delivered to industrial computer through the optical isolation board conversion and shows through pilot lamp; Industrial computer receives the test parameters of input, and PLC is sent instruction, lets PLC carry out action, receives the force value of each branch's gas circuit that PLC uploads and the feedback signal of air pipe line cabinet output terminal simultaneously, is shown by display output; This input Power entry module electrically connects PLC and I/O expansion module, so that required electric power to be provided.
One preferred embodiment of the utility model is that this industrial computer is connected with the brak control unit of air pipe line cabinet to be measured through the mvb bus.This circuit part also comprises Da Zha and Xiao Zha.
The utility model is through calculating the volume of each air pipe line of locomotive; Ratio according to 1: 1; With the pipeline volume of volume reservoir real simulation locomotive, with the utility model air path part simulation locomotive air path part, with the utility model circuit part simulation locomotive circuit part; Simulate big or small lock switching value signal simultaneously, give the brak control unit (BCU) and the auxiliary compressor power supply of air pipe line cabinet.The utility model industrial computer is realized and plc communication through the RS-232 serial ports; And this industrial computer acceptance test parameter; PLC is sent instruction; Receive the force value of each branch's gas circuit that PLC uploads and the feedback signal of air pipe line cabinet output terminal, and pass to industrial computer and show through display; This PLC accepts the various input signals that industrial computer transmits, the instruction of order actuating logic, each plug door action of control.Adopt the database storing content of the test in this industrial computer, can realize the inquiry and the printing function of test figure through different key words.
Compared with prior art, the utility model advantage is:
1, adopt system controlled by computer, Programmable Logic Controller (PLC) and touch screen technology have changed the working method of former testing equipment relay contact control, manual operation, artificial reading, and test figure is truer, and error is littler;
2, process of the test more intuitively reflects the pressure changing of process of the test pipeline through time-pressue-graph;
3, testing table possesses the network communication function, can realize the communication function of BCU and industrial computer;
4, the testing table man-machine interface is visual in image, and parameter freely is provided with, and has preservation and printing, the setting of operator's level of security, automatic/hand translation function of historical data etc.
Description of drawings
Fig. 1 is the utility model air path part schematic diagram.
Fig. 2 is the utility model electrical structure synoptic diagram.
Fig. 3 is the utility model Industrial Computer Control software flow pattern.
Embodiment
Below will combine accompanying drawing and specific embodiment that the utility model patent is explained further details.
Like Fig. 1 and shown in Figure 2, the testing table that the utility model is used for the detection of locomotive braking system air pipe line cabinet combination property comprises air path part and circuit part.
As shown in Figure 1; This air path part structure and the structural similarity that has artificial testing table now; It is formed by connecting through pipeline on control valve, 8 single needle draft gauges, a plurality of plug door (gas control, manually), a plurality of volume reservoir, pressure regulator valve, non-return valve etc. equally; The pipeline of this air path part connects the corresponding pipeline of air pipe line cabinet to be measured, and this manually fills in the gas path on-off of door and gas control plug gate control pipeline, and this air path part is according to the pipeline volume of 1: 1 scale modeling locomotive; Be respectively equipped with pressure transducer on each branch's gas circuit, be used for gathering the pipeline pressure data.This air path part only is to be respectively equipped with pressure transducer on each branch's gas circuit with the difference of existing artificial test platform structure.
The circuit part of the testing table that the locomotive braking system air pipe line cabinet combination property that is used for the utility model detects is as shown in Figure 2, and it comprises input Power entry module (not shown), pressure transducer, PLC and I/O expansion module, industrial computer and display, printer etc.This industrial computer connects display and printer.This industrial computer also connects PLC through the RS-232 serial ports, and the output terminal of this PLC connects the gas control plug door of air path part, thereby realizes the automatic control to gas control plug door; The input end of this PLC also connects each pressure transducer of air path part, makes the pressure of each branch's gas circuit of air path part be delivered to industrial computer through PLC; And the input end of this PLC is connected through the output terminal of optical isolation board with the air pipe line cabinet, makes the duty of each parts of air pipe line cabinet send industrial computer to through PLC, and shows through the pilot lamp on its display screen.This input Power entry module electrically connects PLC and I/O expansion module, thereby required electric power is provided for testing table.
This industrial computer is the control center of the utility model testing table; Running test platform control program on it, this functions of control program is the acceptance test parameter, and PLC is sent instruction; Receive the various feedback signals (the output terminal duty of the force value of air path part, air pipe line cabinet) that PLC uploads; Can be according to each branch's gas circuit force value of real-time feedback, drafting time-pressue-graph, thus intuitively reflect the pressure changing of process of the test pipeline.
This PLC inside comprises CPU module, input/output module, A/D modular converter, D/A modular converter, communication module etc.
The industrial computer 1 of the utility model testing table also is connected with the brak control unit (BCU) of air pipe line cabinet to be measured through the mvb bus; Thereby can realize the direct communication of the brak control unit (BCU) of industrial computer and air pipe line cabinet to be measured; Make each data among the BCU can directly be transferred to industrial computer, and show above that.Pressure data through BCU is uploaded is compared with the data that pressure transducer records, and can proofread and correct pressure data, thereby obtain real time-pressue-graph, objectively responds the pressure changing of process of the test pipeline.
The utility model testing table also can adopt manual mode control, and it mainly is that large and small lock is packed in the control loop, sends the operations instruction through large and small lock and makes an experiment.
Fig. 3 is the utility model testing table Industrial Computer Control software flow pattern; From figure, find out; At first start-up routine is imported user and password and is landed this Control Software System, selects pilot project; Click new test, the industrial computer program cooperates PLC commander testing table to make an experiment according to the parameter that has configured.After industrial computer is clicked new test; The PLC power-up initializing; Through the message exchange of RS-232 serial ports completion with industrial computer; Acceptance is from the test parameters of industrial computer, and PLC scans each input port one by one, and the current state of all input equipments is remained to corresponding input image register.PLC with all input state finishing collecting after; (the PLC user program is exactly the testing table process control block (PCB), is meant that PLC controls each performer of testing table according to testing requirements, like the break-make of control circuit to get into execution PLC user program; The break-make of gas circuit) stage; Order is carried out the ladder diagram instruction, after calculating, handling, is exported by output interface.And give industrial computer with the output signal feedback of air pipe line cabinet.Entire test can stop, and can test again after having tested, and the result of test can preserve and print.The pilot project of the utility model testing table comprises: more than 20 pilot projects such as urgent test, air-tight test, graduated application, independent brake and alleviation, ilities test.
Claims (3)
1. one kind is used for the testing table that locomotive braking system air pipe line cabinet combination property detects; It comprises air path part and circuit part; This air path part control valve, a plurality of draft gauge, a plurality of manually/gas control plug door, a plurality of volume reservoir, pressure regulator valve and non-return valve be formed by connecting through pipeline; The pipeline of this air path part connects the corresponding pipeline of air pipe line cabinet to be measured, it is characterized in that:
This air path part is respectively equipped with pressure transducer according to the pipeline volume of the scale modeling locomotive of 1:1 on each branch's gas circuit of this air path part;
This circuit part comprises input Power entry module, pressure transducer, PLC and I/0 expansion module, industrial computer and display, printer; This industrial computer connects display and printer; This industrial computer connects PLC through the RS-232 serial ports simultaneously, and the output terminal of PLC connects the gas control plug door of air path part; The input end of this PLC connects each pressure transducer of air path part, makes PLC can gather the pressure data of each branch's gas circuit and is delivered to industrial computer; The input end of this PLC is connected through the output terminal of optical isolation board with the air pipe line cabinet, and the output signal that makes the air pipe line cabinet is sent into PLC and is delivered to industrial computer through the optical isolation board conversion and shows through pilot lamp; Industrial computer receives the test parameters of input, and PLC is sent instruction, lets PLC carry out action, receives the force value of each branch's gas circuit that PLC uploads and the feedback signal of air pipe line cabinet output terminal simultaneously, is shown by display output; This input Power entry module electrically connects PLC and I/0 expansion module, so that required electric power to be provided.
2. the testing table that is used for the detection of locomotive braking system air pipe line cabinet combination property according to claim 1 is characterized in that this industrial computer is connected with the brak control unit of air pipe line cabinet to be measured through the mvb bus.
3. the testing table that is used for the detection of locomotive braking system air pipe line cabinet combination property according to claim 1 is characterized in that this circuit part also comprises Da Zha and Xiao Zha.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203034904U CN202305238U (en) | 2011-08-19 | 2011-08-19 | Test bed for detecting combination property of air pipeline cabinet of locomotive brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203034904U CN202305238U (en) | 2011-08-19 | 2011-08-19 | Test bed for detecting combination property of air pipeline cabinet of locomotive brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305238U true CN202305238U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203034904U Expired - Lifetime CN202305238U (en) | 2011-08-19 | 2011-08-19 | Test bed for detecting combination property of air pipeline cabinet of locomotive brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323018A (en) * | 2011-08-19 | 2012-01-18 | 南车株洲电力机车有限公司 | Test bed for detecting comprehensive performance of air pipeline cabinet of locomotive braking system |
| CN109406168A (en) * | 2018-11-05 | 2019-03-01 | 重庆长安汽车股份有限公司 | A kind of method for testing performance of hybrid vehicle, device, equipment and medium |
-
2011
- 2011-08-19 CN CN2011203034904U patent/CN202305238U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323018A (en) * | 2011-08-19 | 2012-01-18 | 南车株洲电力机车有限公司 | Test bed for detecting comprehensive performance of air pipeline cabinet of locomotive braking system |
| CN109406168A (en) * | 2018-11-05 | 2019-03-01 | 重庆长安汽车股份有限公司 | A kind of method for testing performance of hybrid vehicle, device, equipment and medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |