CN101488280B - Embedded PI data collecting apparatus based on OPC - Google Patents
Embedded PI data collecting apparatus based on OPC Download PDFInfo
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- CN101488280B CN101488280B CN2008100594080A CN200810059408A CN101488280B CN 101488280 B CN101488280 B CN 101488280B CN 2008100594080 A CN2008100594080 A CN 2008100594080A CN 200810059408 A CN200810059408 A CN 200810059408A CN 101488280 B CN101488280 B CN 101488280B
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Abstract
The invention discloses an embedded PI data collecting device based on OPC and relates to power system equipment. The prior art has the defects of relatively complex structure and low reliability. The invention comprises a plurality of collecting boards carrying out collection and transmission on data, as well as a managing board carrying out processing on the data collected by the collecting boards; an embedded real time VxWorks operation system module and an OPC interface based on VxWorks are arranged on the managing board; the managing board is connected with a human-computer interaction module; the collecting device also comprises a double-power module supplying power to the collecting boards and the managing board. A communication front-end processor is removed and the transmission procedures are simplified, thus being beneficial to improving the system reliability; the collecting boards and the managing board which are physically isolated in one way are arranged, thus not only ensuring accuracy and integrality of data collecting, but also improving the system safety. Moreover the embedded PI data collecting device is convenient to be used and maintained.
Description
[technical field]
The present invention relates to power system device, be used for realizing data acquisition, stipulations conversion and the transmission of various intelligent electronic device IED (IntelligentElectronic Device), OPCServer based on VxWorks is provided (OLE for Process Control, OLE is an object linking and embed Object Linking andEmbedding) and OPC Client interface data are inserted the PI database, and satisfy the requirement of electric power secondary security protection system.
[background technology]
At present, in electric system, PI in real time/the progressively promotion and application of historical data base management system, with PI in real time/historical data base system and other system (comprising SCADA/EMS, electric substation automation system, generated energy acquisition system, distribution transformer monitoring system, load control system, substation equipment on-line monitoring system etc.) carry out integratedly, realize unified real time data management platform.
The traditional data acquisition system (DAS) of electric system all adopts terminal/preposition/server mode, the data that data collector (being terminal) is sent can not be directly used for server database, must between add the communication front end processor and carry out data-switching, the structure more complicated, the intermediate communication link of increase can reduce reliability of data transmission.
[summary of the invention]
In order to overcome the above-mentioned defective that exists in the prior art, the invention provides a kind of embedded PI data collecting apparatus based on OPC, in order to gather, to handle the data of IED equipment, data are directly inserted the PI database by the OPC interface, improve the reliability of system.
For this reason, the present invention is by the following technical solutions: based on the embedded PI data collecting apparatus of OPC, it is characterized in that: it comprises some collection plates that data are gathered and transmitted and the management board that the data that collection plate collected are handled, described management board is provided with Embedded Real-Time vxworks operating system module and based on the OPC interface of VxWorks, described management board is connected with human-computer interaction module, and described harvester also comprises the dual power supply module of powering to above-mentioned collection plate, management board.Collection plate is resolved and is transmitted in order to communication, data acquisition, the stipulations finished IED, the management plate is mainly realized the data, services layer function of IED, comprise that senior function human-computer interaction modules such as data processing, stipulations conversion, man-machine interface management, uplink communication processing are convenient to obtain in the locality information such as the situation that is provided with of terminal parameter, systematic parameter and equipment running status and modification are set, convenient operating maintenance.The data that the OPC interface sent based on VxWorks can be directly used for database, during use its direct Connection Service device got final product, and removed prepositive communication computer, simplified transmission link, helps improving the reliability of system.
As to the improving and replenishing of technique scheme, the present invention further adopts following technical measures:
Be respectively equipped with the physical isolation passage on described collection plate and the management board.Separate Information Monitoring between each collection plate, and can only handle the unidirectional management board that is transmitted to of the information that collects.The physical isolation passage can only one-way transmission from physically having limited data, has guaranteed the security of system.Collection plate of the present invention and IED subsystem carry out obtaining complete, accurate data information after the information interaction, thereby have guaranteed the reliability of PI database data.
Each collection plate and management board link to each other by unidirectional universal serial bus independently.Unidirectional universal serial bus is from physically having guaranteed the one-way transmission of data, and bus module provides the unified standard that is electrically connected for each functional part of whole device, and is responsible for communication and data transmission between each parts.
Described collection plate comprises collection plate CPU, collection plate system storage, collection plate clock circuit and the collection plate Logic control module that links to each other by the collection plate bus, collection plate be provided with two Ethernet interfaces, six expansion serial ports, CAN interface and GPS pulse per second (PPS) to the time interface, two Ethernet interfaces, five expansion serial ports and a CAN interface form the IED device and insert passage, an expansion serial ports then forms the physical isolation passage and links to each other with management board, GPS pulse per second (PPS) to the time interface formation collection plate firmly to the time passage.
Described management board comprises management board CPU, management board system storage, management board clock circuit, management board Logic control module and the electronic hard disc that links to each other by the management board bus, management board be provided with three Ethernet interfaces, 14 expansion serial ports, CAN interface and GPS pulse per second (PPS) to the time interface, 12 expansion serial ports form the physical isolation passage and link to each other with collection plate, three Ethernet interfaces, two expansion serial ports and a CAN interface then form the data upload passage, GPS pulse per second (PPS) to the time interface form firmly to the time passage.Electronic hard disc is in order to provide jumbo storage area.
The dual power supply module comprises that two are adopted the Redundancy Design power module of stand-by heat each other.
Described human-computer interaction module comprises, keyboard, USB circuit and reset circuit, and these equipment all link to each other with the bus of management board.Display mainly shows the parameter of local device own and the information and the relevant running status thereof of field apparatus, and keyboard is realized suitable manual intervention where necessary in order to carry out this locality control.
Device has a general reset circuit, management board and all collection plates in the energy resetting means; Management board and each collection plate all have an independently reset circuit, can reset this plug-in unit and do not influence other plug-in unit.
Beneficial effect: the present invention can directly insert the PI database with data by the OPC interface based on VxWorks, removed prepositive communication computer, simplified transmission link, help improving the reliability of system, collection plate and management board that uni-directional physical is isolated are set, both guaranteed the accuracy and the integrality of data acquisition, the security that has improved system again, working service is convenient.
[description of drawings]
Fig. 1 is a structural principle synoptic diagram of the present invention.
Fig. 2 is a backboard synoptic diagram of the present invention.
Fig. 3 is a human-computer interaction module panel synoptic diagram of the present invention.
Fig. 4 is a management board principle schematic of the present invention.
Fig. 5 is a collection plate principle schematic of the present invention.
[embodiment]
Embedded PI data collecting apparatus as shown in Figure 1 based on OPC, collection plate, management board and power module link to each other by bus module, and management board is connected with human-computer interaction module.Management board is provided with Embedded Real-Time vxworks operating system module and based on the OPC interface of VxWorks, crust of the device adopts the 6U cabinet, and administration module, acquisition module, power module all are to adopt the back of the body to insert the formula structure, and harvester backboard synoptic diagram as shown in Figure 2.
Management board comprises management board CPU, management board system storage, management board clock circuit, management board Logic control module and the electronic hard disc (Fig. 4) that links to each other by the management board bus, and they link to each other by the management board bus.Universal keyboard LCD interface is in order to connect human-computer interaction module, and management board CPU adopts the PC104 module based on X 86 processor, and this PC/104 module links to each other with the PC/104 bus.Management board be provided with three 10/100M Ethernet interfaces, 14 expansion serial ports, CAN interface and GPS pulse per second (PPS) to the time interface, 12 expansion serial ports RS232/485 form the physical isolation passage and link to each other with collection plate, three Ethernet interfaces, two expansion serial ports and a CAN interface then form the data upload passage, in order to connect distant place control center, GPS pulse per second (PPS) to the time interface form firmly to the time passage, the vxworks operating system module can be deposited in the storer, and one of them Ethernet interface is transformed into the OPC interface.
Collection plate comprises collection plate CPU, collection plate system storage, collection plate clock circuit and the collection plate Logic control module (Fig. 5) that links to each other by the collection plate bus, and collection plate CPU can adopt 32 high-performance single-chip microcomputer Coldfire5272.Collection plate be provided with two with 10/100M too network interface, six expansion serial ports RS232/485, CAN interface and GPS pulse per second (PPS) to the time interface, two Ethernet interfaces, five expansion serial ports and a CAN interface form the IED device and insert passage, an expansion serial ports then forms the physical isolation passage and links to each other with management board, GPS pulse per second (PPS) to the time interface formation collection plate firmly to the time passage.The expansion serial ports of management board is only used receiving port, and the expansion serial ports of collection plate is only used the transmission mouth, and data can only one-way transmission.
The panel of human-computer interaction module as shown in Figure 3, can comprise keyboard, display, USB circuit, reset circuit and pilot lamp, pilot lamp comprises power light, run indicator, alarm indicator, homing light, and keyboard can be provided with upper and lower, left and right as required, key such as add, subtracts, confirms, withdraws from.
Power module provides necessary working power for whole device.Power supply is input as DC220V/110V or AC220V, and two groups of DC24V direct supply outputs are provided, and isolates mutually between each power supply output.Output power of power supply is not less than 100W, and power supply output is drawn by bus module.Device has adopted the dual power supply mentality of designing, has active and standby dual power supply function, and can drop into back-up source automatically when the primary power dead electricity, thus the operate as normal of assurance device.
Claims (7)
1. based on the embedded PI data collecting apparatus of OPC, it is characterized in that: it comprises some collection plates that data are gathered and transmitted and the management board that the data that collection plate collected are handled, described management board is provided with Embedded Real-Time vxworks operating system module and based on the OPC interface of VxWorks, described management board is connected with human-computer interaction module, described harvester also comprises to above-mentioned collection plate, the dual power supply module that management board is powered, be respectively equipped with the physical isolation passage on described collection plate and the management board, an expansion serial ports of collection plate then forms described physical isolation passage and links to each other with management board, and 12 expansion serial ports of management board form described physical isolation passage and link to each other with collection plate.
2. the embedded PI data collecting apparatus based on OPC according to claim 1 is characterized in that: described each collection plate and management board link to each other by unidirectional universal serial bus independently.
3. the embedded PI data collecting apparatus based on OPC according to claim 2, it is characterized in that: described each collection plate comprises the collection plate CPU that links to each other by the collection plate bus, the collection plate system storage, collection plate clock circuit and collection plate Logic control module, collection plate is provided with two Ethernet interfaces, six expansion serial ports, CAN interface and GPS pulse per second (PPS) to the time interface, two Ethernet interfaces, wherein insert passage except that forming the IED device in order to five the expansion serial ports of an expansion serial ports that forms the physical isolation passage and a CAN interface, GPS pulse per second (PPS) to the time interface formation collection plate firmly to the time passage.
4. the embedded PI data collecting apparatus based on OPC according to claim 2, it is characterized in that: described management board comprises the management board CPU that links to each other by the management board bus, the management board system storage, the management board clock circuit, management board Logic control module and electronic hard disc, management board is provided with three Ethernet interfaces, 14 expansion serial ports, CAN interface and GPS pulse per second (PPS) to the time interface, three Ethernet interfaces wherein, except that expanding serial ports in order to two of 12 expansion serial ports that form the physical isolation passage and CAN interfaces then form the data upload passage, GPS pulse per second (PPS) to the time interface form firmly to the time passage.
5. the embedded PI data collecting apparatus based on OPC according to claim 2 is characterized in that: described dual power supply module comprises that two are adopted the Redundancy Design power module of stand-by heat each other.
6. the embedded PI data collecting apparatus based on OPC according to claim 1 is characterized in that: described human-computer interaction module comprises LCD, keyboard, USB circuit and reset circuit, and these equipment all link to each other with the bus of management board.
7. according to claim 3 or 4 described embedded PI data collecting apparatus based on OPC, it is characterized in that: harvester includes a general reset circuit, and management board and each collection plate respectively are provided with an independently reset circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100594080A CN101488280B (en) | 2008-01-18 | 2008-01-18 | Embedded PI data collecting apparatus based on OPC |
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| CN2008100594080A CN101488280B (en) | 2008-01-18 | 2008-01-18 | Embedded PI data collecting apparatus based on OPC |
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| CN101488280A CN101488280A (en) | 2009-07-22 |
| CN101488280B true CN101488280B (en) | 2011-09-14 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014118B (en) * | 2010-08-13 | 2013-03-20 | 深圳市科陆电子科技股份有限公司 | Method for reading multiple electric energy meters generally |
| CN102096399B (en) * | 2010-12-16 | 2013-10-09 | 上海雄华数码科技有限公司 | Embedded energy data acquisition unit |
| CN103001843B (en) * | 2012-11-22 | 2016-02-10 | 国电南瑞南京控制系统有限公司 | Based on the OPC protocol converter of embedded VxWorks |
| CN104635708A (en) * | 2015-02-12 | 2015-05-20 | 机械工业仪器仪表综合技术经济研究所 | OPC UA (Unified Architecture) data acquisition module based on I-MX287 processor |
| CN107766391A (en) * | 2016-08-22 | 2018-03-06 | 上海绿矽自动化科技有限公司 | Database and OPC systems of connections and its control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938120Y (en) * | 2006-07-28 | 2007-08-22 | 柯细勇 | Integral power measuring control device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2938120Y (en) * | 2006-07-28 | 2007-08-22 | 柯细勇 | Integral power measuring control device |
Non-Patent Citations (1)
| Title |
|---|
| 苏浩.OPC技术规范的研究及其与HMI接口技术.<大连理工大学硕士学位论文>.2006, * |
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Owner name: STATE GRID CORPORATION OF CHINA CHINA ELECTRIC POW Effective date: 20130104 |
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Effective date of registration: 20130104 Address after: 312000 No. 58 Shengli West Road, Yuecheng District, Zhejiang, Shaoxing Patentee after: Shaoxing Power Bureau Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 312000 No. 58 Shengli West Road, Yuecheng District, Zhejiang, Shaoxing Patentee before: Shaoxing Power Bureau |