CN100466617C - Automatic control system for nucleonic product hydraulic pressure test using Zigbee wireless communication - Google Patents
Automatic control system for nucleonic product hydraulic pressure test using Zigbee wireless communication Download PDFInfo
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- CN100466617C CN100466617C CNB2006101119600A CN200610030216A CN100466617C CN 100466617 C CN100466617 C CN 100466617C CN B2006101119600 A CNB2006101119600 A CN B2006101119600A CN 200610030216 A CN200610030216 A CN 200610030216A CN 100466617 C CN100466617 C CN 100466617C
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Abstract
The invention relates to a nuclear product hydraulic test automatic control system, which uses Zigbee wireless communication. Wherein, it is formed by pressure temperature sensor, Zigbee I/O card, Zigbee route node, Zigbee network consulter, PLC controller, Zigbee MODBUS gateway and detector; the pressure temperature sensor and the terminal node, and one PLC controller are at the site of hydraulic test, via network consulter, route node and Zigbee IO card, to form one Zigbee wireless network, and via Zigbee-Modbus gateway, to transmit relative data to the detector and PLC control system that detecting and recording data, to be compared with the data collected and transmitted via line. The invention can realize full-automatic program control, to improve the test accuracy.
Description
Technical field
The present invention relates to a kind of hydraulic test of product, particularly a kind of automatic control system for nucleonic product hydraulic pressure test that adopts the ZigBee wireless telecommunications.
Background technology
Because the drum of boiler, the retort of chemical industry, and the special containers such as pressure vessel of nuclear power station, be to reach designed intensity by special steel plate built-up welding processing, therefore, welding procedure and in reaching tens of days welding process strict consistency and the stability that keeps the desired crucial welding parameter of technology, be the key point that guarantees welding quality.Even so, in order to guarantee the absolute reliable and safe in utilization of converted products, the hydraulic test is a kind of comprehensive quality measuring means that must adopt.The purpose of the hydraulic test: the one, the tightness of inspection pressure part checks that promptly there is ne-leakage weld bond, bloated mouth, rivet, riveted seam and metal surface; The 2nd, check whether pressure part produces macroscopic plastic deformation under test pressure.The hydraulic test has two kinds, and a kind of is the general work pressure test,, promptly test pressure equals the rated operating pressure of boiler; Another kind is overvoltage test, and promptly test pressure surpasses the rated operating pressure of boiler.Overvoltage test is generally being carried out under the following situation: 1. the pressure vessel new clothes, move the dress or the repacking after; 2. pressure vessel is stopped using more than 1 year, before need resuming operation; 3. the pressure vessel heating surface is through repair of a major character; 4. according to the concrete condition of pressure vessel and equipment, with suspicion to pressure part, and must surpass the hydraulic test time.At present domestic when carrying out the hydraulic test, no matter be that pressure process, pressure maintaining period and stress-relief process all adopt manually control basically, the parameter measurement of pressure medium is still estimated based on instrument on the spot.
Summary of the invention
The objective of the invention is in order to overcome existing when product is carried out the hydraulic test, no matter be that pressure process, pressure maintaining period and stress-relief process all adopt manually control basically, to the parameter measurement of pressure medium still based on the shortcoming of instrument range estimation on the spot, provide a kind of and substitute wired mode of conventional system data acquisition, solve the automatic control system for nucleonic product hydraulic pressure test of the employing ZigBee wireless telecommunications of the not enough standard of manual operation of the hydraulic test and problem such as accurate with ZigBee wireless communication transmission mode.
Technical scheme of the present invention is: a kind of automatic control system for nucleonic product hydraulic pressure test of the ZigBee of employing wireless telecommunications mainly is made up of gateway and the monitoring host computer of pressure-temperature sensor, ZigBeeI/O card, ZigBee router node, ZigBee network coordinator, PLC control system, ZigBee-Modbus, specifically comprises:
Pressure-temperature sensor is installed in the pressure vessel, gathers the pressure and the temperature signal of pressure vessel, exports with 4～20mA;
The ZigBeeI/O card is used to gather the 4～20mA signal that is come by pressure-temperature sensor, and signal is done corresponding processing, presses fixedly message format, adopts direct-sequence spread-spectrum modulation, carries out wireless network transmissions by the ZigBee wireless communication protocol then;
The ZigBee router node is used for finishing the relay and the Route Selection of signal wireless transmission course;
The ZigBee network coordinator is responsible for making up whole ZigBee network;
The PLC control system, the control logic of realization system, the control signal of monitoring host computer is accepted in the upper end, and corresponding force (forcing) pump is controlled in the lower end, pressure-relief valve equipment;
The gateway of ZigBee-Modbus, the data parsing that is used for receiving becomes the ZigBee packet, and upload (or passing through router) to network coordinator, network coordinator resolves to the Modbus packet with the ZigBee packet, and carries out exchanges data by serial ports and PLC control system;
The monitoring host computer is used to finish the technological process Display Realization and is tried that the data acquisition of the equipment hydraulic test shows and following transmission control system is instructed, and can make corresponding tendency chart to keep a record and later data analysis and judgement to Various types of data;
Pressure-temperature sensor and termination function node thereof and PLC control system place the hydrostatic test scene, by network coordinator, routing node and ZigBee I/O card, constitute a ZigBee wireless network, and, related data is sent to the monitoring host computer and the PLC control system of carrying out data record and processing by the ZigBee-Modbus gateway.
Beneficial effect of the present invention: the present invention adopts ZigBee wireless communication technique transmission data, can be according to the test technology requirement, realize the automatic control of pressurization, pressurize and stress-relief process, the data acquisition, the record that hydraulic pressure examination overall process are carried out on-site parameters file and data processing.Realization makes the test run personnel come into plain view to the operating state of system to the functions such as demonstration, record and system alarm of equipment state, and is easy and simple to handle.With wired data acquisition and transfer ratio, the technical program has overcome the drawback of wiring, has expanded the means of industry spot data acquisition; Compare with relying on pressurization, pressurize, the release of manually carrying out the hydraulic test, the technical program has realized full-automatic program control, has improved the standardization and the accuracy of test greatly.
Description of drawings
Fig. 1 is a hydraulic test system block diagram;
Fig. 2 is hydraulic test system example figure.
Embodiment
By shown in Figure 1, arrange terminal node and small-sized programmable controller PLC of the pressure and temperature data of gathering the hydraulic test in the place of carrying out hydrostatic test specially.By network coordinator, routing node and ZigBee I/O card, constitute a ZigBee wireless network (this wireless network is based on the distinctive self-organizing grid of IEEE 802.15.4/ZigBee mechanics of communication topological structure), and, related data is sent to the monitoring host computer and the PLC control system of carrying out data record and processing by the ZigBee-Modbus gateway.
Select transducer installation sites such as rational temperature pressure, promptly want the variation of reaction pressurization that can be sensitive, can guarantee the data of the pressurization of whole pressure vessel again, and easy for installation.Temperature and pressure transmitter obtains the temperature, pressure signal, sends the ZigBeeI/O card to 4～20mA signal form.ZigBee the is wireless I/O card belongs in the wireless network terminal equipment, be installed in around the transducer so that the nearest realization with transducer is connected, 4～20mA data that its pick-up transducers is brought convert the signal of ZigBee network format to, transmit in the ZigBee network.The ZigBee router is distributed in the workshop, looks the suitable portion of transmission situation point.Network coordinator is born network preliminary examination address assignment.Gateway is the serial ports of computers form of standard with the data conversion of ZigBee wireless network protocol transmission.Monitoring software is realized functions such as technical process, data processing and preservation, trend analysis.
By the ZigBee-MODBUS gateway of configuration, can the key parameter (as boost pressure, dwell time and release time etc.) of the hydraulic test be transferred to the PLC control system by above-mentioned wireless network.The PLC control system is used for specially according to the test technology requirement, the omnidistance procedure auto-control that realizes pressurization, pressurize and stress-relief process make this hydraulic test control system can at different boost, pressurize and release program test.
In order to save cost, in this embodiment, network coordinator and ZigBee-Modbus gateway are united two into one, as shown in Figure 2.
Claims (1)
1, a kind of automatic control system for nucleonic product hydraulic pressure test that adopts the ZigBee wireless telecommunications, it is characterized in that, it mainly is made up of gateway and the monitoring host computer of pressure-temperature sensor, ZigBee I/O card, ZigBee router node, ZigBee network coordinator, PLC control system, ZigBee-Modbus, specifically comprises:
Pressure-temperature sensor is installed in the pressure vessel, gathers the pressure and the temperature signal of pressure vessel, exports with 4～20mA;
ZigBee I/O card is used to gather the 4～20mA signal that is come by pressure-temperature sensor, and signal is done corresponding processing, presses fixedly message format, adopts direct-sequence spread-spectrum modulation, carries out wireless network transmissions by the ZigBee wireless communication protocol then;
The zigBee router node is used for finishing the relay and the Route Selection of signal wireless transmission course;
The ZigBee network coordinator is responsible for making up whole ZigBee network;
The PLC control system, the control logic of realization system, the control signal of monitoring host computer is accepted in the upper end, and corresponding force (forcing) pump is controlled in the lower end, pressure-relief valve equipment;
The gateway of ZigBee-Modbus, the data parsing that is used for receiving becomes the ZigBee data;
The monitoring host computer is used to finish the technological process Display Realization and is tried that the data acquisition of the equipment hydraulic test shows and following transmission control system is instructed, and can make corresponding tendency chart to keep a record and later data analysis and judgement to Various types of data;
Pressure-temperature sensor and termination function node thereof and a PLC control system place the hydrostatic test scene, by ZigBee I/O card, routing node and network coordinator, constitute a ZigBee wireless network, and, related data is sent to the monitoring host computer and the PLC control system of carrying out data record and processing by the ZigBee-Modbus gateway.
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| CNB2006101119600A CN100466617C (en) | 2006-08-18 | 2006-08-18 | Automatic control system for nucleonic product hydraulic pressure test using Zigbee wireless communication |
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| CNB2006101119600A CN100466617C (en) | 2006-08-18 | 2006-08-18 | Automatic control system for nucleonic product hydraulic pressure test using Zigbee wireless communication |
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| CN100466617C true CN100466617C (en) | 2009-03-04 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101267376B (en) * | 2008-04-25 | 2010-08-04 | 北京携远天成技术有限公司 | Gateway data transmission method for Zigbee network extension |
| CN101751012B (en) * | 2008-12-15 | 2011-09-21 | 安徽鑫龙电器股份有限公司 | Device and method for realizing communication of direct current cabinet and host computer based on communication supervisor |
| KR100998953B1 (en) * | 2010-06-29 | 2010-12-09 | 주식회사 거동기업 | Consolidated monitoring and control apparatus of heat tracing system using zigbee communication and method thereof |
| CN102375437A (en) * | 2010-08-06 | 2012-03-14 | 欧阳光明 | Device and method for data acquisition and transmission during wireless production process based on IEEE802.15.4 protocol and PLCs (programmable logic controllers) |
| CN102163051A (en) * | 2010-12-10 | 2011-08-24 | 中国广东核电集团有限公司 | Digital control method and system of primary circuit hydrostatic test of pressurized water reactor nuclear power station |
| CN102393996B (en) * | 2011-10-28 | 2013-06-19 | 古贝春集团有限公司 | Wireless temperature measuring system for manufacturing of liquor Quyao |
| CN102930703B (en) * | 2012-09-28 | 2014-04-02 | 山西科达自控股份有限公司 | Remote water pressure monitoring method and system |
| CN102902256B (en) * | 2012-10-22 | 2015-07-08 | 中国东方电气集团有限公司 | ZigBee-based safety defending system for inspection workshop staffs |
| CN103727017A (en) * | 2013-06-27 | 2014-04-16 | 四川海普流体技术有限公司 | Application of wireless communication technology in remote control over pressure test machine |
| CN103969125B (en) * | 2014-05-05 | 2016-11-09 | 大连理工大学 | Based on distributed frame gas cylinder hydrostatic test outside measurement system and method |
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| CN1710619A (en) * | 2005-06-16 | 2005-12-21 | 安徽雷森电子有限公司 | Wireless fire fighting detector network based on ZigBee and control method |
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Address after: 200233 No. 103, Xuhui District, Shanghai, Caobao Road Patentee after: SHANGHAI INSTITUTE OF PROCESS AUTOMATION INSTRUMENTATION Address before: 200233 No. 103, Xuhui District, Shanghai, Caobao Road Patentee before: Shanghai Institute of Process Automation Instrumentation Patentee before: SHANGHAI INSTITUTE OF PROCESS AUTOMATION INSTRUMENTATION |