CN105947894A - Crane safety monitoring and control management communication system based on DP bus - Google Patents
Crane safety monitoring and control management communication system based on DP bus Download PDFInfo
- Publication number
- CN105947894A CN105947894A CN201610445955.7A CN201610445955A CN105947894A CN 105947894 A CN105947894 A CN 105947894A CN 201610445955 A CN201610445955 A CN 201610445955A CN 105947894 A CN105947894 A CN 105947894A
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- CN
- China
- Prior art keywords
- bus
- safety monitoring
- crane
- control management
- communication system
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a crane safety monitoring and control management communication system based on a DP bus. The crane safety monitoring and control management communication system is characterized in that a PLC host is arranged on a crane; a weighing instrument, an anemometer and a photoelectric encoder have communication access to the PLC host through the DP bus; the PLC host has access to a safety monitoring system host through the Ethernet via a network switch; the weighing instrument and the anemometer enable collected signals to have access to the PLC host through a DP bus conversion module; and the weighing instrument and the anemometer are connected with the DP bus conversion module through an RS485 bus. Compared with the prior art, the crane safety monitoring and control management communication system has the advantages of being simple in structure, high in signal transmission precision and high in reliability; a safety monitoring and control management system can be achieved at the low cost; expansibility is good; access of added new signal source equipment is convenient; and the crane control level is further raised.
Description
Technical field
The present invention relates to crane peace keyholed back plate reason technical field, the communication system of a kind of crane safety monitoring management based on DP bus.
Background technology
Along with the development of national economy, handling machinery is widely used in every profession and trade and field.In recent years, the security incident of crane takes place frequently, and crane safety becomes the important leverage in industrial production activities.The departments such as handling machinery Quality Supervision and Inspection Center of country put into effect the national regulation of " GB/T28264-2012 " hoisting machinery security monitoring management system " " in recent years, and require large and medium-sized hoisting machinery popularization and application security monitoring management system (hereinafter referred to as safety supervision system).This system can improve crane safety, conveniently reviews device history duty, meets the requirement analyzing fault.Therefore, the crane in the range of compliant is required to configure security monitoring management system, and current domestic existence needs add-assembly or the crane of new clothes safety supervision system in a large number.GB/T 28264-2012 requires that crane is equipped with the hardware facilities such as signal collection unit, signal processing unit, and wherein information collection unit is used for reading information source data.The signal source equipments such as multiple instrument, sensor, encoder are had on crane, these signal source equipments all have respective signaling interface and transmission means (including physical interface and logic interface), safety supervision system, in order to gather these signals, needs to be incorporated in safety supervision system host multi-form signaling interface.In order to realize above-mentioned functions, needing the signal gathering unit for safety supervision system configuration various ways, as claimed weighing and torque signals of weighing instrument collection, interface is usually 4～20mA analog quantitys or RS485 bus；The wind velocity signal that anemobiagraph gathers, interface is usually 4～20mA analog quantitys or RS485 bus；The lifting altitude signal that encoder gathers, interface is usually Profibus DP(and is called for short DP) bus or other fieldbus；The turning arm rack position signal that encoder or level sensor gather, interface is usually DP bus or RS485 bus.The method of the safety supervision system host above-mentioned signal source of acquisition generally uses and communicates with lifting owner PLC, obtains signal number evidence from PLC or direct and each signal gathering unit communicates acquisition signal number evidence.
Due to the multiformity of above-mentioned signaling interface, no matter which kind of scheme, all there are the needs of signaling interface conversion, it is therefore desirable to the signal gathering unit of configuration various ways.Communicate with lifting owner PLC as used, obtain signal number evidence from PLC, then need to configure PLC analog module, RS485 module etc..As used direct and each signal gathering unit to communicate, then need to configure PC RS485 interface card, DP interface card, analog quantity interface card etc..According to gb specification, the part crane run signal within PLC to be gathered, safety supervision system generally uses and communicates with lifting owner PLC, obtains signal number evidence from PLC.
The safety supervision system of prior art also exists the problems such as signal accuracy is low, autgmentability is poor, is digital instrumentation in current industry, if weighing or wind velocity signal is transmitted by analog quantity, then there is the situation of digital-to-analogue two times transfer.The original analog (some air velocity transducer primary signal is digital pulse signal) of sensor is digitized in gauge internal, transfer digital signal to analog signals again, it is transferred to PLC by analog quantity interface, again analogue signal need to be translated into digital signal by PLC.Modulus-digital-to-analogue multiple conversions in the process, its signal accuracy necessarily reduces.Interface module is the most relatively costly, PLC analog module, and RS485 module etc. is above common analog I/O module.It addition, if desired increase new signal source, it is necessary to increase new signal gathering unit, revising PLC hardware configuration, according to RS485 communication, then need to reset master-salve station, autgmentability is poor.
Summary of the invention
It is an object of the invention to the communication system of a kind of based on DP bus the crane safety monitoring management designed for the deficiencies in the prior art, the signal using DP bus communication weighing instrument, anemobiagraph and photoelectric encoder to be gathered uses DP bus communication to access safety supervision system host, the precision of signal transmission is high, new signal source equipment is facilitated to access, there is the advantage that simple in construction, favorable expandability and reliability are high, security monitoring management system can be realized with a low cost, improve crane control level further.
The object of the present invention is achieved like this: the communication system of a kind of crane safety monitoring management based on DP bus, including the crane safety monitoring management system being made up of safety supervision system host, PLC main frame, weighing instrument, anemobiagraph and photoelectric encoder, it is characterized in that PLC main frame is accessed safety supervision system host by Ethernet through the network switch, weighing instrument and anemobiagraph are accessed PLC main frame by RS485 bus through DP bus conversion module, and photoelectric encoder and DP bus conversion module are connected with PLC main frame by DP bus communication.
The present invention compared with prior art has the advantage that precision is high and reliability is high of simple in construction, signal transmission, can be realized with a low cost security monitoring management system, favorable expandability, increases new signal source equipment and accesses conveniently, improves crane control level further.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Refering to accompanying drawing 1, the crane safety monitoring management system that the present invention is made up of safety supervision system host 1, PLC main frame 3, weighing instrument 5, anemobiagraph 6 and photoelectric encoder 7, described PLC main frame 3 is accessed safety supervision system host 1 by Ethernet through the network switch 2, weighing instrument 5 and anemobiagraph 6 are accessed PLC main frame 3 by RS485 bus through DP bus conversion module 4, and photoelectric encoder 7 and DP bus conversion module 4 is connected with PLC main frame 3 by DP bus communication；Described safety supervision system host 1 uses industrial computer-IPC-510MB/AIMB-
562/E5300；Described DP bus conversion module 4 uses RBCM-PBSP-04/02 modular converter；The described network switch uses 2100M switch；Described PLC main frame 3 uses CPU315-2PN/DP main frame.
More than simply the present invention is further illustrated, and is not used to limit this patent, all implements for equivalence of the present invention, within being intended to be limited solely by the right of this patent.
Claims (1)
1. the communication system of a crane safety monitoring management based on DP bus, including the crane safety monitoring management system being made up of safety supervision system host, PLC main frame, weighing instrument, anemobiagraph and photoelectric encoder, it is characterized in that PLC main frame is accessed safety supervision system host by Ethernet through the network switch, weighing instrument and anemobiagraph are accessed PLC main frame by RS485 bus through DP bus conversion module, and photoelectric encoder and DP bus conversion module are connected with PLC main frame by DP bus communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445955.7A CN105947894A (en) | 2016-06-21 | 2016-06-21 | Crane safety monitoring and control management communication system based on DP bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610445955.7A CN105947894A (en) | 2016-06-21 | 2016-06-21 | Crane safety monitoring and control management communication system based on DP bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105947894A true CN105947894A (en) | 2016-09-21 |
Family
ID=56906985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610445955.7A Pending CN105947894A (en) | 2016-06-21 | 2016-06-21 | Crane safety monitoring and control management communication system based on DP bus |
Country Status (1)
| Country | Link |
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| CN (1) | CN105947894A (en) |
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| CN201301174Y (en) * | 2008-10-30 | 2009-09-02 | 芜湖新兴铸管有限责任公司 | Control system of material transporting equipment used for industrial production |
| CN202059983U (en) * | 2010-12-03 | 2011-12-07 | 红云红河烟草(集团)有限责任公司曲靖卷烟厂 | Circumference laser on-line controller for filter stick and tobacco stick of cigarette |
| CN203021227U (en) * | 2013-01-21 | 2013-06-26 | 贵州大学 | On-line security monitoring and control device for tower crane |
| CN104210955A (en) * | 2014-09-05 | 2014-12-17 | 中船第九设计研究院工程有限公司 | Crane safety monitoring management system based on Ethernet architecture |
| CN104410600A (en) * | 2014-08-06 | 2015-03-11 | 内蒙古科技大学 | Control network multi-protocol data converting device |
| CN205099214U (en) * | 2015-09-23 | 2016-03-23 | 河南华东工控技术有限公司 | Semi -automatic hydraulic grab formula hoist system |
| CN205676032U (en) * | 2016-06-21 | 2016-11-09 | 中船第九设计研究院工程有限公司 | A kind of communication system of crane safety monitoring management based on DP bus |
-
2016
- 2016-06-21 CN CN201610445955.7A patent/CN105947894A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747793Y (en) * | 2004-10-27 | 2005-12-21 | 蔡仲伦 | Industrial controlled network appts. based on tandem server |
| CN201256298Y (en) * | 2008-08-08 | 2009-06-10 | 浙江工业职业技术学院 | Transforming plant voltage intelligent reactive dynamic compensation device based on field bus |
| CN201301174Y (en) * | 2008-10-30 | 2009-09-02 | 芜湖新兴铸管有限责任公司 | Control system of material transporting equipment used for industrial production |
| CN202059983U (en) * | 2010-12-03 | 2011-12-07 | 红云红河烟草(集团)有限责任公司曲靖卷烟厂 | Circumference laser on-line controller for filter stick and tobacco stick of cigarette |
| CN203021227U (en) * | 2013-01-21 | 2013-06-26 | 贵州大学 | On-line security monitoring and control device for tower crane |
| CN104410600A (en) * | 2014-08-06 | 2015-03-11 | 内蒙古科技大学 | Control network multi-protocol data converting device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |
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