CN103101840B - A kind of communication means of high pedestal jib crane PLC fieldbus - Google Patents
A kind of communication means of high pedestal jib crane PLC fieldbus Download PDFInfo
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- CN103101840B CN103101840B CN201310044950.XA CN201310044950A CN103101840B CN 103101840 B CN103101840 B CN 103101840B CN 201310044950 A CN201310044950 A CN 201310044950A CN 103101840 B CN103101840 B CN 103101840B
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- slip ring
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Abstract
The invention discloses a kind of communication means of high pedestal jib crane PLC fieldbus, be characterized between the PLC master station of hoisting crane PLC control system and PLC substation, adopting slip ring to connect ethernet link, described PLC master station is arranged on top electrical house, the external first ethernet power adapter of its CPU, described PLC substation is arranged on bottom cart machine room, the external second ethernet power adapter of its CPU, top electrical house is when horizontally rotating, its control signal is transferred to bottom cart machine room by the ethernet link that slip ring connects, realize the PLC field bus communication of high pedestal jib crane.It is simple that the present invention compared with prior art has structure, and compatible good, reliability is high, effectively reduces control cables and control slip ring, reducing engineering wiring cost, improving crane control level further.
Description
Technical field
The present invention relates to technical field of industrial automatic control, especially a kind of communication means for high pedestal jib crane PLC fieldbus.
Background technology
Shipbuilding high pedestal jib crane is used for shipyard and harbour handling workpiece is one of important production facilities of shipyard, its version is the large mechanism of car in bottom and top machine room, top machine room can be done 360 ° and horizontally rotate, and bottom is connected by slip ring with control system with the electric power supply on top.Along with the development of industrial automation technology, the modern control devices such as frequency converter, PLC progressively replaces traditional control relay circuit, and wherein PLC adopts field bus communication to become technological trend.
At present, the digital output modul signal location of crane mechanism has been increased to 3 ~ 4 times of traditional relay control circuit, required control slip ring quantity reaches 40 ~ 60 rings, and the common slip ring of prior art cannot transmit the analog quantity of frequency converter and the code device signal of digital coding parameter and cart, the increase of signal location need use a large amount of cables to connect cart control housing and electrical house PLC, construction wiring is very inconvenient, keep within bounds the application of field bus communication technology on shipbuilding high pedestal jib crane, so that high pedestal jib crane cannot adopt bus communication or adopt and easily be disturbed or the radio communication of high cost and other private communication devices.
Summary of the invention
The object of the invention is the communication means of a kind of high pedestal jib crane PLC fieldbus designed for the deficiencies in the prior art, adopt the plc communication network of the upper and lower electrical house of ethernet link framework hoisting crane, realize failure-free field bus communication, there is structure simple, compatible good, reliability is high, greatly reduces control cables and controls slip ring, reduce engineering wiring cost, improve crane control level further.
The object of the present invention is achieved like this: a kind of communication means of high pedestal jib crane PLC fieldbus, be characterized between the PLC master station of hoisting crane PLC control system and PLC substation, adopting slip ring to connect ethernet link, form the plc communication network of high pedestal jib crane top electrical house and bottom cart machine room; Described PLC master station is arranged on top electrical house, the external first ethernet power adapter of its CPU; Described PLC substation is arranged on bottom cart machine room, the external second ethernet power adapter of its CPU; Described slip ring is the sliding connector that two-way controls, its upper/lower terminal is connected with the first ethernet power adapter and the second ethernet power adapter respectively, top electrical house is when horizontally rotating, the control signal of PLC master station is transferred to PLC substation by the ethernet link connected by slip ring, realizes the PLC field bus communication of top electrical house and bottom cart machine room.
Described first ethernet power adapter and the CPU of PLC master station are that Ethernet interface or Ethernet Adaptation Unit are connected.
Described second ethernet power adapter and the CPU of PLC substation are that Ethernet interface or Ethernet Adaptation Unit are connected.
It is simple that the present invention compared with prior art has structure, and compatible good, reliability is high, effectively reduces control cables and control slip ring quantity, reducing engineering wiring cost, improving crane control level further.
Accompanying drawing explanation
Fig. 1 is the invention process illustration
Detailed description of the invention
Accompanying drawings 1, adopts slip ring 4 to connect ethernet link between PLC master station 2 of the present invention and PLC substation 6, forms the plc communication network of high pedestal jib crane top electrical house 1 and bottom cart machine room 7; Described PLC master station 2 is arranged on top electrical house 1, the external first ethernet power adapter 3 of its CPU; Described PLC substation 6 is arranged on the external second ethernet power adapter 5 of bottom cart machine room 7, its CPU; The sliding connector that described slip ring 4 controls for two-way, its upper/lower terminal is connected with the first ethernet power adapter 3 and the second ethernet power adapter 5 respectively, top electrical house 1 is when horizontally rotating, the control signal of PLC master station 2 is transferred to PLC substation 6 by the ethernet link connected by slip ring 4, realizes the PLC field bus communication of high pedestal jib crane top electrical house 1 and bottom cart machine room 7.
Above-mentioned first ethernet power adapter 3 and the CPU of PLC master station are that Ethernet interface or Ethernet Adaptation Unit are connected; Second ethernet power adapter 5 and the CPU of PLC substation are that Ethernet interface or Ethernet Adaptation Unit are connected.
The present invention is work like this: control system PLC master station 2 and the first ethernet power adapter 3 being arranged on the top electrical house 1 of high pedestal jib crane, PLC substation 6 and the second ethernet power adapter 5 are arranged on the control system of the bottom cart machine room 7 of high pedestal jib crane, two-way controls slip ring 4 and is arranged on, on the rotating mechanism of bottom machine room, two-way controls slip ring 4 and is connected with the first ethernet power adapter 3 and the second ethernet power adapter 5 respectively by communication cable, top electrical house 1 is when 360 °, work horizontally rotates, the control signal of PLC master station 2 is transferred to PLC substation 6 by the ethernet link connected by two-way control slip ring 4, realize high pedestal jib crane top electrical house 1 and carry out PLC field bus communication with bottom cart machine room 7.The present invention can be used for the shipbuilding high pedestal jib crane of different size, and construction and installation are very convenient, and cost is low, stable performance.
Claims (3)
1. the communication means of a high pedestal jib crane PLC fieldbus, it is characterized in that between the PLC master station of hoisting crane PLC control system and PLC substation, adopting slip ring to connect ethernet link, form the plc communication network of high pedestal jib crane top electrical house and bottom cart machine room; Described PLC master station is arranged on top electrical house, the external first ethernet power adapter of its CPU; Described PLC substation is arranged on bottom cart machine room, the external second ethernet power adapter of its CPU; Described slip ring is the sliding connector that two-way controls, its upper/lower terminal is connected with the first ethernet power adapter and the second ethernet power adapter respectively, top electrical house is when horizontally rotating, the control signal of PLC master station is transferred to PLC substation by the ethernet link connected by slip ring, realizes the PLC field bus communication of top electrical house and bottom cart machine room.
2. the communication means of high pedestal jib crane PLC fieldbus according to claim 1, is characterized in that described first ethernet power adapter and the CPU of PLC master station are that Ethernet interface or Ethernet Adaptation Unit are connected.
3. the communication means of high pedestal jib crane PLC fieldbus according to claim 1, is characterized in that described second ethernet power adapter and the CPU of PLC substation are that Ethernet interface or Ethernet Adaptation Unit are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044950.XA CN103101840B (en) | 2013-02-05 | 2013-02-05 | A kind of communication means of high pedestal jib crane PLC fieldbus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044950.XA CN103101840B (en) | 2013-02-05 | 2013-02-05 | A kind of communication means of high pedestal jib crane PLC fieldbus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103101840A CN103101840A (en) | 2013-05-15 |
| CN103101840B true CN103101840B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310044950.XA Active CN103101840B (en) | 2013-02-05 | 2013-02-05 | A kind of communication means of high pedestal jib crane PLC fieldbus |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6760146B2 (en) * | 2017-03-09 | 2020-09-23 | 株式会社タダノ | crane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10001023A1 (en) * | 2000-01-13 | 2001-07-19 | Siemens Ag | Load transporting system for containers - has personal computer with target guidance program and sensor system for detecting position of load |
| CN101505322A (en) * | 2009-03-13 | 2009-08-12 | 内蒙古包钢钢联股份有限公司 | Application of network in slip ring communication |
| CN101704473A (en) * | 2009-11-11 | 2010-05-12 | 甘肃省电力公司刘家峡水电厂 | Main lifting parallel operation height balance correcting system of 400-ton bridge crane |
| CN202131030U (en) * | 2011-01-07 | 2012-02-01 | 武汉船用机械有限责任公司 | Windmill installation vessel revolving crane adopting Profibus-DP network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3976361B2 (en) * | 1996-09-27 | 2007-09-19 | 財団法人くまもとテクノ産業財団 | Heavy equipment work plan creation support device |
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2013
- 2013-02-05 CN CN201310044950.XA patent/CN103101840B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10001023A1 (en) * | 2000-01-13 | 2001-07-19 | Siemens Ag | Load transporting system for containers - has personal computer with target guidance program and sensor system for detecting position of load |
| CN101505322A (en) * | 2009-03-13 | 2009-08-12 | 内蒙古包钢钢联股份有限公司 | Application of network in slip ring communication |
| CN101704473A (en) * | 2009-11-11 | 2010-05-12 | 甘肃省电力公司刘家峡水电厂 | Main lifting parallel operation height balance correcting system of 400-ton bridge crane |
| CN202131030U (en) * | 2011-01-07 | 2012-02-01 | 武汉船用机械有限责任公司 | Windmill installation vessel revolving crane adopting Profibus-DP network |
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| CN103101840A (en) | 2013-05-15 |
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