CN201662715U - Power generation energy consumption data acquisition device - Google Patents

Power generation energy consumption data acquisition device Download PDF

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Publication number
CN201662715U
CN201662715U CN201020143722XU CN201020143722U CN201662715U CN 201662715 U CN201662715 U CN 201662715U CN 201020143722X U CN201020143722X U CN 201020143722XU CN 201020143722 U CN201020143722 U CN 201020143722U CN 201662715 U CN201662715 U CN 201662715U
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China
Prior art keywords
controller
energy consumption
data
data acquisition
consumption data
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Expired - Fee Related
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CN201020143722XU
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Chinese (zh)
Inventor
郭志民
贺翔
苏鹏鹤
马建伟
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
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Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model relates to a power generation energy consumption data acquisition device, which comprises a data acquisition module and a control unit connected with an output end thereof, wherein the data acquisition module is provided with an input port used for being connected with a transmitter and a DCS (Distributed Control System), the output end of the control unit is used for being connected with a remote control center, the control unit comprises two controllers being hot spares for each other, the input ends of the controllers are also provided with two ports respectively used for being connected with an Ethernet bus and an RS485 bus, the output ends of the controllers are connected with the input ends of a monitoring, storing and displaying unit. In addition to the existing port conducting analog signals via electric wires on the controller, the device is also provided with a port used for communicating with a plurality of buses, so the types of acquired data and the capacity for processing data are greatly improved; and simultaneously, the device is additionally provided with a storing and displaying device so as to realize the in-place storing and displaying functions.

Description

A kind of generating energy consumption data harvester
Technical field
The utility model relates to a kind of power industry dispatching automation equipment, particularly a kind of generating energy consumption data harvester.
Background technology
At present, remote terminal unit device (Remote Terminal Unit is adopted in power plant's generating energy consumption data collection more, RTU) channel transfer is given provincial Utilities Electric Co., but the remote terminal unit device is the intelligent monitoring module that adopts the microprocessor independent operating, be to constitute SCADA (Supervisory Control and Data Acquisition System, data acquisition and supervisory system) core apparatus of system, be widely used in automation system for the power network dispatching, gather remote measurement such as being used for transformer station and generating plant, remote signals, realize remote control and teletransmission etc., bearing the transmission work of various telecontrol informations, is the important automation equipment that electric system realizes distant place data acquisition and monitoring.This device carries out real-time data acquisition by alternating voltage, the electric current to power transmission and transformation line and equipment, calculates electrical network parameters such as power, electric degree, power factor, frequency voluntarily.
Be illustrated in figure 1 as the structural representation of existing RTU generating energy consumption data harvester, comprise signal processing module and control module, control module comprises data processing module and communication module, the input end of described signal processing module is connected in transmitter, DCS(dcs) on, insert measuring point analog quantity, switching value signal, carry out the A/D conversion and data are submitted to the data processing module that its output terminal connects, the metering that data processing module will collect, telemetry are transferred to remote control center with information by communication module through after the computing.
Input along with a large amount of commercial units, system, the data of more measuring point need be gathered and be reported, can't implement by existing RTU for a certain reason, and existing RTU operation stability is often not fully up to expectations, is in particular in that acquisition mode is single, RTU crashes etc.In addition, existing RTU does not generally possess the scene inquiry and the storage of data, and form is derived, the ability of trend analysis; Add the increase along with tenure of use, RTU faces the problem of ageing equipment, unstable properties, thereby cause energy consumption data to take place often to interrupt and error bigger, to the collection of energy consumption data with report totally unfavorable.
The utility model content
The purpose of this utility model provides a kind of generating energy consumption data harvester that several data acquisition mode and data message amount are big, possess the field data query function that adopts.
For achieving the above object, the utility model adopts following technical scheme: a kind of generating energy consumption data harvester, comprise the control module that data acquisition module is connected with its output terminal, data acquisition module is provided with and is used for and transmitter, the DCS(dcs) input port that is connected, the output terminal of control module is used for being connected with remote control center, control module comprises controller, the input end of controller also is provided with two and is respectively applied for the port that is connected with the RS485 bus with industry ethernet, the output terminal of controller and monitoring, storage links to each other with the input end of display unit.
Also be provided with in the described control module and hot each other another controller that is equipped with of described controller, link to each other by the mutual inductance passage between two controllers, the input end of another controller also is provided with two and is respectively applied for the port that is connected with the RS485 bus with industry ethernet, and its output terminal also links to each other with the input end of display unit with described monitoring, storage.
Described monitoring, storage and display unit are provided with display device.
Also be provided with mass-memory unit in described monitoring, storage and the display unit.
Two controllers that described heat each other is equipped with are built-in industrial control machine.
Generating energy consumption data harvester of the present utility model, on controller, keep the existing port that passes through electric wire conduction analog signal, also be provided with and be used for the port that communicates with RS485 bus, industry ethernet, can be greatly improved on the type of image data and on the ability of deal with data by various protocols mode image data on dcs or the transformer station's network equipment; This device has increased monitoring, storage and display unit simultaneously, has realized the information searching function on the spot of device.
In addition, this device has increased Redundancy Design, is provided with spare controller, can be after a controller break down, and switching works on to the controller that another heat is equipped with immediately, for the collection of generating energy consumption data provides higher safety guarantee.
Inner display device and the mass-memory unit placed of monitoring, storage and display unit, the data in 5 to 10 years in the scene of can storing effectively both can conveniently be compared inquiry, guaranteed the continuation of data again.
Description of drawings
Fig. 1 is the structural representation of existing generating energy consumption data harvester;
Fig. 2 is a structural representation of the present utility model.
Embodiment
Below in conjunction with preferred embodiment embodiment of the present utility model is introduced:
As shown in Figure 2, generating energy consumption data harvester of the present utility model is a kind of novel RTU, comprise data acquisition module and control module, control module comprises controller, the data acquisition module input end is connected in transmitter, DCS(dcs), output terminal links to each other with the signal input part of controller, and the input end of controller also joins with industry ethernet and RS485 bus, and output terminal links to each other with remote control center with display unit with monitoring, storage respectively.
The RS485 bus is a passage by Modbus protocol transmission data, constitutes bus-network by a series of intelligent electronic devices and controller, is responsible for introducing data, flows to controller; Industry ethernet and power plant or transformer station's network equipment constitute bus-network, are responsible for the data that access power plant or transformer station's network equipment import into, export to controller; Voltage, electric current energy consumption are meant from the transmitter of power plant or transformer station, DCS(dcs) analog quantity, the switching value signal that import into, flow to data acquisition module.
Data acquisition module is a series of intelligent data acquisition equipment that possess automatic A/D translation function, can be with various physical signallings, as voltage, electric current, temperature inversion is digital format, export to controller, output to monitoring, storage and display unit and remote control center after data processing, conversion and encryption, the encapsulation of controller with input; Monitoring, storage and display unit store mass storage into after with the data encryption that receives, conversion, and can be by self-contained display realization the inquiry of historical data and form export function; Remote control center is by setting up network between optical fiber and the controller, is responsible for the business such as assign of uploading, instructing of data.
In addition, for guaranteeing that system performance is stable, the utility model has also been set up spare controller, and be interconnected by the heartbeat line with master controller, master controller and spare controller are two cover compacts of equity, no fan built-in industrial control machine, the heartbeat line is a mutual inductance passage of setting up between two controllers, fully feels in order to heat and answers transmission of Information.Such configuration is guaranteed after a controller breaks down, and switching works on to the controller that another heat is equipped with immediately, for the energy consumption data collection provides higher safety guarantee.
The course of work of the present utility model is as follows:
(1) at first device circuit carries out self check: whether pick-up unit inside exists short circuit, and the back is short-circuited if whole device powers on, then inner air switch automatic cutout, and by the warning lamp warning that reddens; All air switch closures, warning lamp green are lighted under the circuit normal condition.
(2) plant network self check: monitoring, storage are responsible for being connected detection with two controller networks with display unit, and transmission test pack, if network connects normal, the packet that parsing receives, verification and deciphering, if the packet that returns is correct, the display demonstration is passed through, otherwise display display network and controller network connection error information.Whether two controllers are normal by heartbeat line detection communication, if communication is normal, carry out following step, otherwise the flicker of controller alarm lamp.
(3) data collecting module collected voltage, current signal, and by inner A/D translation function voltage, electric current, temperature signal are converted to digital form and remain in the internal memory, for the controller inquiry.
(4) program initialization: two controllers and monitoring, storage and display unit all start watchdog routine, two controllers mate main and standby relation automatically by the heartbeat line, its internal processes can be by transmission the automatic identification of data who be main equipment, who is stand-by equipment, and carry out heartbeat detection with 30 seconds/time speed, if the main equipment operation is broken down, stand-by equipment enters major state immediately, is responsible for the whole device of control.
(5) master controller is in running order, by RS485 bus inquiry power plant or intelligent electronic equipment of transformer substation data, by industry ethernet requester network device data, by RS485 agreement inquiry acquisition module data.After receiving feedback data packet, master controller carries out verification to guarantee the integrality of packet to packet, adopts specific format to decode mating end subchannel and data at complete tables of data, and then read the signal digital amount of measuring point, measuring point data is submitted to operator module calculate.Operator module wherein comprises the read group total operator, asks the average computation operator, feedwater flow calculates operator, steam flow calculates operator etc.Be assembled into packet after calculating finishes, submit to monitoring, storage and display unit and remote control center.
(6) after monitoring, storage and display unit receive packet, to carry out verification to guarantee the integrality of packet to packet equally, adopt specific format to decode, store internal disk at complete packet.
Energy consumption data harvester of the present utility model just can be realized the collection of data on a table apparatus, storage, repertoires such as transmission, it possesses from the ability of multiple passage image data, both can gather DCS(Distributed Control System from the RS485 bus by the RS-485 agreement, dcs) data, also can gather the data of other network equipments by procotol from industry ethernet, simultaneously also can adopt the mode of " hardwire " to insert transmitter from site environment, the DCS(dcs) data on greatly facilitate the collection of data, reduced the workload of implementing.Device adopts the strategy of two-node cluster hot backup to guarantee the stable operation of system, controller unit in the device is furnished with hot each other two controllers that are equipped with, spare controller and master controller are interconnected by the heartbeat line, the heartbeat line is a mutual inductance passage of setting up between two controllers, fully feels in order to heat and answers transmission of Information.Such configuration is guaranteed after a controller breaks down, and switching works on to the controller that another heat is equipped with immediately, for the energy consumption data collection provides higher safety guarantee.In addition, inner display device and the mass-memory unit placed of device, the data in 5 to 10 years in the scene of can effectively storing can conveniently be compared inquiry, guarantee the continuation of data again.
Energy consumption data harvester of the present utility model, do not rely on and tie up existing remote terminal unit device resource, and the remote control center that energy consumption data is transferred to provincial Utilities Electric Co. of can be accurately, continuing, improve and implement efficient, reduction implementation cost, thereby the load of remote terminal unit device is heavy solving, and implements to have outstanding advantage on inflexible problem; Can be used as the standby or replacement scheme of remote terminal unit device passage simultaneously.By the data acquisition and the transmission of " first-hand " character, provide foundation accurately for checking data, statistical study, science decision.

Claims (5)

1. generating energy consumption data harvester, comprise the control module that data acquisition module is connected with its output terminal, data acquisition module is provided with and is used for the input port that is connected with transmitter, DCS dcs, the output terminal of control module is used for being connected with remote control center, it is characterized in that: control module comprises controller, the input end of controller also is provided with two and is respectively applied for the port that is connected with industry ethernet, RS485 bus, and the output terminal of controller links to each other with the input end of display unit with monitoring, storage.
2. generating energy consumption data harvester according to claim 1, it is characterized in that: also be provided with in the described control module and hot each other another controller that is equipped with of described controller, link to each other by the mutual inductance passage between two controllers, the input end of another controller also is provided with two and is respectively applied for the port that is connected with industry ethernet, RS485 bus, and its output terminal also links to each other with the input end of display unit with described monitoring, storage.
3. generating energy consumption data harvester according to claim 1 and 2, it is characterized in that: described monitoring, storage and display unit are provided with display device.
4. generating energy consumption data harvester according to claim 3 is characterized in that: also be provided with mass-memory unit in described monitoring, storage and the display unit.
5. generating energy consumption data harvester according to claim 4 is characterized in that: two controllers that described heat each other is equipped with are built-in industrial control machine.
CN201020143722XU 2010-03-29 2010-03-29 Power generation energy consumption data acquisition device Expired - Fee Related CN201662715U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102098174A (en) * 2010-12-29 2011-06-15 广东电网公司电力科学研究院 Safety communication method and system for power grid monitoring system
CN103199972A (en) * 2013-03-25 2013-07-10 成都瑞科电气有限公司 Double machine warm backup switching method and warm backup system achieved based on SOA and RS485 bus
CN103348696A (en) * 2010-12-22 2013-10-09 纳格拉影像股份有限公司 Secure utility metering monitoring module
CN104424680A (en) * 2013-09-04 2015-03-18 苏州元澄智能科技有限公司 Entrance guard redundancy control system
CN114143137A (en) * 2021-11-26 2022-03-04 北京东土科技股份有限公司 Data communication system and method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103348696A (en) * 2010-12-22 2013-10-09 纳格拉影像股份有限公司 Secure utility metering monitoring module
CN102098174A (en) * 2010-12-29 2011-06-15 广东电网公司电力科学研究院 Safety communication method and system for power grid monitoring system
CN103199972A (en) * 2013-03-25 2013-07-10 成都瑞科电气有限公司 Double machine warm backup switching method and warm backup system achieved based on SOA and RS485 bus
CN104424680A (en) * 2013-09-04 2015-03-18 苏州元澄智能科技有限公司 Entrance guard redundancy control system
CN114143137A (en) * 2021-11-26 2022-03-04 北京东土科技股份有限公司 Data communication system and method

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: ELECTRIC POWER RESEARCH INSTITUTE OF HEBEI ELECTRI

Free format text: FORMER OWNER: HENAN INSTITUTE OF POWER EXPERIMENT

Effective date: 20121207

Owner name: STATE GRID CORPORATION OF CHINA

Effective date: 20121207

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20121207

Address after: 450052 Songshan South Road, Henan, No. 85, No.

Patentee after: Henan Electric Power Corporation Electric Power Science Research Institute

Patentee after: State Grid Corporation of China

Address before: 450052 Songshan South Road, Henan, No. 85, No.

Patentee before: Henan Institute of Power Experiment

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101201

Termination date: 20150329

EXPY Termination of patent right or utility model