CN202404409U - Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen - Google Patents
Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen Download PDFInfo
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- CN202404409U CN202404409U CN 201120509946 CN201120509946U CN202404409U CN 202404409 U CN202404409 U CN 202404409U CN 201120509946 CN201120509946 CN 201120509946 CN 201120509946 U CN201120509946 U CN 201120509946U CN 202404409 U CN202404409 U CN 202404409U
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- frequency converter
- programmable controller
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- plc programmable
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- 230000003137 locomotive Effects 0.000 title claims abstract description 16
- 229920000333 poly(propyleneimine) Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000002093 peripheral Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 3
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 210000001138 Tears Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009114 investigational therapy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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Abstract
The utility model relates to a control system, particularly to the control system of a variable frequency locomotive based on a PLC and a touch screen. The control system comprises the PLC, the touch screen and a frequency converter, wherein a switching value input port (DI) of the PLC is connected with an operating desk of the locomotive, a switching value output port (DO) of the PLC is connected with a control terminal of the frequency converter, the communication between the PLC and the frequency converter adopts Modbus communication, the frequency converter drives a motor of the locomotive to operate, the communication between the PLC and the touch screen adopts process/peripheral interface (PPI) communication, and an analog input port (AI) of the PLC is connected with a sensor. The control system of the variable frequency locomotive based on the PLC and the touch screen has the advantages of being stable and high in maintainability and extensibility.
Description
Technical field
The utility model relates to a kind of control system, particularly relates to a kind of frequency changer vehicle control based on PLC and touch-screen.
Background technology
The control system that traditional locomotive all adopts single-chip microcomputer to form basically, the control through circuit board realization system shows operational factor with digital indicator gauge; Such locomotive control not only travelling speed is slow; Function singleness, the quantity of information of operation interface is little, and the stability of system, maintainability, extensibility are relatively poor; When especially in use breaking down, all there is certain drawback at aspects such as the investigation of problem, maintenances.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of system stability is provided, the maintainable and strong frequency changer vehicle control based on PLC and touch-screen of Scalable Performance.
The technical scheme of the utility model is:
A kind of frequency changer vehicle control based on PLC and touch-screen; Comprise the PLC programmable controller; Touch-screen and frequency converter, the locomotive operation platform is connected with switching value input port (DI) in the PLC programmable controller, and the switching value output port (DO) of PLC programmable controller is connected with the control end of frequency converter; The Modbus communication is adopted in communication between PLC programmable controller and the frequency converter; The operation of frequency converter driving machine tramcar motor, the PPI communication is adopted in the communication between PLC programmable controller and the touch-screen, and the analog quantity input port (AI) of PLC programmable controller connects sensor.
Said PLC programmable controller model is Siemens CPU-224-XP.
Said frequency converter model is MD380.
The beneficial effect of the utility model is:
1. the utility model adopts the core of the PLC of Siemens CPU-224-XP model as locomotive control based on the frequency changer vehicle control of PLC and touch-screen, and system constitutes flexibly, and expansion realizes the comprehensive automation of production run easily; Easy to use, programming is simple, and system development cycle is short, and field adjustable is easy; In addition, but the online modification program changes controlling schemes and does not tear hardware open; Can adapt to various abominable running environment, antijamming capability is strong, good reliability.
The utility model based on the frequency changer vehicle control of PLC and touch-screen with touch-screen as man-machine interface; Not only expanded the function of locomotive control aspect; And making operation interface convenient, abundant and attractive in appearance, the performances such as expanding, can safeguard of system significantly improves.
3. the utility model is realized locomotive each item control function based on the frequency changer vehicle control of PLC and touch-screen through the control of conversion device; The MD380 Series Frequency Converter of using in the utility model is supported the vector controlled of asynchronous machine; Have the motor overheating defencive function, can realize quick current limliting, the power-adjustable scope is big; Control to locomotive engine is accurate, realizes the flexible Application of locomotive control.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Embodiment
Referring to Fig. 1, the frequency changer vehicle control based on PLC and touch-screen comprises: PLC programmable controller, touch-screen and frequency converter.The locomotive operation platform is connected with switching value input port (DI) in the PLC programmable controller, transmits the PLC programmable controller to signal through the action of operation.The switching value output port (DO) of PLC programmable controller is connected with frequency converter, and the output signal of switching value output port (DO) is used for the control of conversion device and carries out action.The PLC programmable controller is through Modbus serial communication mode control of conversion device; Utilize the frequency converter driving motor to drive the locomotive walking; The PORT COM of PLC programmable controller (RS-485) is connected with touch-screen realizes that PPI communicates by letter, and the analog quantity input port (AI) of PLC programmable controller connects sensor.
Claims (3)
1. frequency changer vehicle control based on PLC and touch-screen; Comprise: the PLC programmable controller; Touch-screen and frequency converter is characterized in that: the locomotive operation platform is connected with switching value input port (DI) in the PLC programmable controller, and the switching value output port (DO) of PLC programmable controller is connected with the control end of frequency converter; The Modbus communication is adopted in communication between PLC programmable controller and the frequency converter; The operation of frequency converter driving machine tramcar motor, the PPI communication is adopted in the communication between PLC programmable controller and the touch-screen, and the analog quantity input port (AI) of PLC programmable controller connects sensor.
2. frequency changer vehicle control according to claim 1 is characterized in that: said PLC programmable controller model is Siemens CPU-224-XP.
3. frequency changer vehicle control according to claim 1 is characterized in that: said frequency converter model is MD380.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120509946 CN202404409U (en) | 2011-12-09 | 2011-12-09 | Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120509946 CN202404409U (en) | 2011-12-09 | 2011-12-09 | Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404409U true CN202404409U (en) | 2012-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120509946 Expired - Lifetime CN202404409U (en) | 2011-12-09 | 2011-12-09 | Control system of variable frequency locomotive based on programmable logic controller (PLC) and touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404409U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915035A (en) * | 2012-11-06 | 2013-02-06 | 黄石市华天自动化设备有限公司 | Synchronous operation device of group-controlled self-propelled trolleys |
| CN104634579A (en) * | 2015-01-29 | 2015-05-20 | 南京航空航天大学 | Small piston engine property testing device |
| CN106428044A (en) * | 2016-08-30 | 2017-02-22 | 重庆钢铁集团电子有限责任公司 | Automatic decelerating control method and device for driving of track electric locomotive |
-
2011
- 2011-12-09 CN CN 201120509946 patent/CN202404409U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915035A (en) * | 2012-11-06 | 2013-02-06 | 黄石市华天自动化设备有限公司 | Synchronous operation device of group-controlled self-propelled trolleys |
| CN104634579A (en) * | 2015-01-29 | 2015-05-20 | 南京航空航天大学 | Small piston engine property testing device |
| CN106428044A (en) * | 2016-08-30 | 2017-02-22 | 重庆钢铁集团电子有限责任公司 | Automatic decelerating control method and device for driving of track electric locomotive |
| CN106428044B (en) * | 2016-08-30 | 2019-01-18 | 重庆钢铁集团电子有限责任公司 | Rail electric locomotive driving automatic retarding control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA RAILWAY MANUFACTURING EQUIPMENT GROUP CO., L Free format text: FORMER NAME: CHINA RAILWAY TUNNELING EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 450016 No. sixth, 99 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee after: China Railway Manufacturing Equipment Group Co., Ltd. Address before: 450016 No. sixth, 99 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee before: China Railway Tunneling Equipment Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160804 Address after: 450000, No. sixth, 99 street, Zhengzhou economic and Technological Development Zone, Henan Patentee after: China Railway Manufacturing Equipment Group Co., Ltd. Patentee after: Tunnel device Manufacturing Co., Ltd of China Railway Engineering equipment group Address before: 450016 No. sixth, 99 Avenue, Zhengzhou Economic Development Zone, Henan, China Patentee before: China Railway Manufacturing Equipment Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |