CN103560586A - Intelligent substation auxiliary control system wireless temperature and humidity sensor and monitoring method - Google Patents

Intelligent substation auxiliary control system wireless temperature and humidity sensor and monitoring method Download PDF

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Publication number
CN103560586A
CN103560586A CN201310550702.2A CN201310550702A CN103560586A CN 103560586 A CN103560586 A CN 103560586A CN 201310550702 A CN201310550702 A CN 201310550702A CN 103560586 A CN103560586 A CN 103560586A
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CN
China
Prior art keywords
auxiliary control
intelligent substation
control system
humiture
substation auxiliary
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CN201310550702.2A
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Chinese (zh)
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CN103560586B (en
Inventor
高强
李平
关明
王涛
王刚
李万源
孙睿
李洋
耿宝宏
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Liaoning Dongke Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd
Liaoning Dongke Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd, Electric Power Research Institute of State Grid Liaoning Electric Power Co Ltd, Liaoning Dongke Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310550702.2A priority Critical patent/CN103560586B/en
Publication of CN103560586A publication Critical patent/CN103560586A/en
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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16Electric power substations
    • 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The invention belongs to the field of intelligent substation auxiliary control system monitoring, and particularly relates to an intelligent substation auxiliary control system wireless temperature and humidity sensor and a monitoring method. The intelligent substation auxiliary control system wireless temperature and humidity sensor is characterized in that a signal acquisition sensor, a processing circuit, a real-time clock system, a wireless communication system and a controller system are arranged on a core circuit board arranged inside an outer shell, and a display system, a waterproof knob and an antenna are arranged on the outer shell; the waterproof knob is connected with a power supply cable; the signal acquisition sensor is connected with the processing circuit and then sequentially connected with the real-time clock system, the wireless communication system and the display system to the controller system. The intelligent substation auxiliary control system wireless temperature and humidity sensor is compact in structure and attractive in appearance, the installation method is easy, convenient and safe, operating personnel can install, use and maintain the intelligent substation auxiliary control system wireless temperature and humidity sensor conveniently, intelligent control over the temperature and humidity of indoor environments can be achieved, and the defects that networking is difficult and expansion is inconvenient in a wired communication method can be overcome. The intelligent substation auxiliary control system wireless temperature and humidity sensor is wide in application range and can be applied popularly especially in unattended substations.

Description

Intelligent substation auxiliary control system wireless humiture transducer and monitoring method
Technical field
The invention belongs to intelligent substation auxiliary control system monitoring field, relate in particular to a kind of intelligent substation auxiliary control system wireless humiture transducer and monitoring method.
Background technology
Intelligent substation is the smart machine that adopts advanced, reliable, integrated, low-carbon (LC), environmental protection; with the information digitalization of entirely standing, communications platform networking, information sharing, be standardized as basic demand; automatically complete the basic functions such as information gathering, measurement, control, protection, metering and monitoring, and can support as required the transformer station of the Premium Features such as the real-time control automatically of electrical network, intelligence adjusting, on-line analysis decision-making, collaborative interaction.
Supplementary controlled system is to take highly reliable smart machine as basis, comprehensively adopts the reliable and stable operation of the technological means ,Wei transformer stations such as dynamic environment, picture control, fire-fighting, illumination and security protection that technical guarantee is provided.Intelligent substation auxiliary control system can provide basic data support for the status visualization of equipment and the repair based on condition of component of equipment, is one of important component part of Intelligent transformer station.Transformer station realizes the O&M of unattended and intelligent Hou,Dui transformer station auxiliary system and has higher requirement.
Tradition transformer station auxiliary monitoring system is generally transmitted with wired mode settling signal by signal cable, and cable wiring manufacture cost is higher, the extensibility of system communication, limited flexibility.In addition, tradition transformer station auxiliary monitoring system lacks environmental monitoring means, most transformer station is all by thermometer measure ambient temperature, there is no to realize the Real-Time Monitoring to environment such as humitures, cannot accomplish monitoring and the prevention of hazard event, more cannot accomplish according to temperature and humidity regulation air-conditioner temperature, realize energy efficiency.
Summary of the invention
For above-mentioned problems of the prior art, the invention provides a kind of intelligent substation auxiliary control system wireless humiture transducer and monitoring method.Its objective is development and application by this wireless humiture sensor device; make the indoor environment humiture of master-control room in intelligent substation, relay protection chamber, battery room, hyperbaric chamber, communication room obtain continuous real-time monitoring; and can carry out Based Intelligent Control to indoor temperature and humidity environment, relay protection device of protecting indoor operation etc. is had to important function.
The present invention is achieved through the following technical solutions:
Intelligent substation auxiliary control system wireless humiture transducer, it is characterized in that: signals collecting transducer, treatment circuit, Real Time Clock System, wireless communication system and controller system are arranged on the core circuit plate of crust of the device inside, and display system, waterproof knob and antenna are arranged on shell; Waterproof knob is connected with service cable; Described signals collecting transducer is connected with treatment circuit, is then connected to successively controller system with Real Time Clock System, wireless communication system and display system.
Described treatment circuit comprises filter circuit, signal amplification circuit and analog to digital conversion circuit.
The secondary singal access treatment circuit of described signals collecting transducer output, treatment circuit is sent conditioned analog signal into controller and is carried out computing, and result of calculation is presented on display screen.
Described wireless communication system is connected with auxiliary control system monitoring background computer, and by radio communication, measurement result is uploaded, computer can be configured parameters such as the communication of transducer, measurement, warning, calibrations by serial ports instruments such as COM Debug Assistants.
The monitoring method of intelligent substation auxiliary control system wireless humiture transducer is: in the situation that cancelling telecommunication cable laying, by wireless communications mode, can monitor the humiture data in each control room, concrete steps are as follows:
(1) do not lay under the prerequisite of telecommunication cable not destroying original structure, adopt intelligent substation auxiliary control system wireless humiture installation of sensors on the wall of control room, obtain indoor real time humiture data;
(2) by signals collecting transducer, voltage signal corresponding to the humiture situation collecting change into;
(3) voltage signal is passed through after processing circuit processes, the analog to digital conversion circuit of sending into controller carries out computing, obtains digitized indoor temperature and humidity data;
(4) the digitized indoor temperature and humidity data in above-mentioned steps (3) are shown on display screen, and compare with predefined corresponding control room humiture permissible value, if be greater than permissible value, the signal of display alarm simultaneously on display screen;
(5) real time data by wireless communication system, above-mentioned steps (3) being calculated uploads to background monitoring computer, background monitoring computer carries out various relevant parameter configurations by communication protocol to monitoring device, to meet the requirement of different control rooms to humiture.
 
Advantage of the present invention and beneficial effect are:
This apparatus structure is compact to design, and good looking appearance, on mounting means, adopts the suspension member by the shell back side to be directly installed on the mode on the indoor wall that needs monitoring of environmental parameter, and installation method is easy, and safety is convenient to operations staff's mounting, commissioning and maintenance.
The present invention can, for the indoor environment humiture on-line monitoring of intelligent substation master-control room, relay protection chamber, battery room, hyperbaric chamber, communication room, show and teletransmission the functions such as off-limit alarm and parameter configuration on the spot.And then the humiture of indoor environment is carried out to Based Intelligent Control, avoid wire communication mode networking difficulty simultaneously, expanded inconvenient shortcoming.Wherein wireless monitoring device has humiture data Real-Time Monitoring and overload alarm function, real time data can be uploaded, alarm threshold value can be by user's self-defining, when surpassing preset value to environment parameter, Surveillance center sends audiovisual alarm, flickering display in the pattern exhibiting interface of platform or electronic map interface, and automatically notify attendant on duty by voice, short message mode, and automatically troubleshooting data is printed/filed.Along with the construction of intelligent substation, range of application of the present invention can be more and more wider, and especially the application in unattended transformer station is general especially.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is operation principle schematic diagram of the present invention;
Fig. 2 is functional block diagram of the present invention;
Fig. 3 is networking structure schematic diagram of the present invention;
Fig. 4 is structural representation of the present invention.
In figure: shell 1, waterproof knob 2, core circuit plate 3, antenna 4.
Embodiment
The present invention is a kind of intelligent substation auxiliary control system wireless humiture transducer and monitoring method, intelligent substation auxiliary control system wireless humiture transducer wherein, if Fig. 1 is to as shown in Fig. 4, Fig. 1 is operation principle schematic diagram of the present invention, Fig. 2 is functional block diagram of the present invention, Fig. 3 is networking structure schematic diagram of the present invention, and Fig. 4 is internal structure schematic diagram.
Wireless humiture transducer of the present invention comprises signals collecting transducer, treatment circuit, display system, Real Time Clock System, wireless communication system and controller system.
Wherein signals collecting transducer, treatment circuit, Real Time Clock System, wireless communication system and the controller system of wireless humiture transducer are arranged on the core circuit plate 3 of crust of the device 1 inside, and display system, waterproof knob 2 and antenna 4 are arranged on shell 1; Waterproof knob 2 is connected with service cable.
Signals collecting transducer is connected with treatment circuit, is then connected to controller system with Real Time Clock System, wireless communication system and display system.
Apparatus of the present invention are that temperature and humidity measurement module and wireless communication module are placed in a plastic casing 1, and at shell, 1 top cover place is provided with display screen, and for the numerical value of temperature and humidity in display room, shell 1 side is provided with antenna 4 and portals.In addition, the service cable of device is connected with device by waterproof knob 2, has guaranteed on the one hand the reliable of power supply, has realized water proof and dust proof protection etc. on the other hand to installing inside.
The treatment circuit of the secondary singal access device of signals collecting transducer output, treatment circuit is sent conditioned analog signal into controller and is carried out computing, and result of calculation is presented on display screen.In addition, this device can be monitored background computer with auxiliary control system and is connected, and by radio communication, measurement result is uploaded, and computer can be configured parameters such as the communication of device, measurement, warning, calibrations by serial ports instruments such as COM Debug Assistants.
As shown in Figure 3, Fig. 3 is networking structure schematic diagram of the present invention, a plurality of wireless humiture monitoring devices of bottom are by realizing data communication between communication and auxiliary control system background computer, this monitoring device can be uploaded to background computer by real time data and warning message, background computer can read the measurement data of bottom device simultaneously, and bottom device is carried out to relevant configuration.
Intelligent substation auxiliary control system wireless humiture transducer of the present invention has following characteristics:
1. device carries humiture data display function, indoor temperature and humidity can be presented on display screen, facilitates operations staff's field observation;
2. device is supported RS-232/485 communication interface, supports wire communication and two kinds of modes of radio communication, can the information such as Monitoring Data and alarming value be uploaded to computer or comprehensive monitoring unit IED by communication protocol;
3. electromagnetic compatibility and protecting circuit designed.Because the electromagnetic environment of transformer station is very severe, high voltage and high-intensity magnetic field are strong to the interference of equipment, have therefore designed rational electromagnetic compatibility and protective circuit.
The monitoring method of intelligent substation auxiliary control system wireless humiture transducer of the present invention, is by wireless communications mode, can monitor the humiture data in each control room in the situation that cancelling telecommunication cable laying, and concrete steps are as follows:
In the situation that cancelling telecommunication cable laying, by wireless communications mode, can monitor the humiture data in each control room, concrete steps are as follows:
(1) do not lay under the prerequisite of telecommunication cable not destroying original structure, adopt intelligent substation auxiliary control system wireless humiture installation of sensors on the wall of control room, obtain indoor real time humiture data;
(2) by signals collecting transducer, voltage signal corresponding to the humiture situation collecting change into;
(3) voltage signal is passed through after processing circuit processes, the analog to digital conversion circuit of sending into controller carries out computing, obtains digitized indoor temperature and humidity data;
(4) the digitized indoor temperature and humidity data in above-mentioned steps (3) are shown on display screen, and compare with predefined corresponding control room humiture permissible value, if be greater than permissible value, the signal of display alarm simultaneously on display screen;
(5) real time data by wireless communication system, above-mentioned steps (3) being calculated uploads to background monitoring computer, background monitoring computer carries out various relevant parameter configurations by communication protocol to monitoring device, to meet the requirement of different control rooms to humiture.
When the present invention specifically implements, the course of work is as follows: signals collecting transducer is given treatment circuit by the temperature-humidity signal collecting, adjust to suitable range and by the analog to digital conversion circuit of controller, this signal is carried out to computing afterwards, the result of calculation obtaining is presented on the display screen of device on the one hand, device can be preset humiture alarming value, when result of calculation surpasses preset alarm value, warning message is on the one hand in the local demonstration of device, teletransmission, to background monitoring computer, reminds operations staff to take measures to process on the other hand.Data communication system can be by warning message by the wireless supervisory control comuter that is uploaded to, and background computer can carry out various parameter configuration to monitoring device by communication protocol, to meet the demand in different substation control room.
The present invention is as follows in the innovation of communication aspects:
1. in the environmental monitoring of intelligent substation auxiliary control system, used communication first, what adopt is highly reliable, the self-organizing multi-hop wireless sensor network WIA technology of super low-power consumption, intelligent wireless network WIA technology is based on short-distance wireless communication IEEE 802.15.4 standard, use meets the free frequency band of Chinese the Radio Management Commission regulation, solve the various large-scale apparatus spreading all under adverse circumstances, the reflection to wireless signal such as metallic conduit, the multipath effect that scattering causes, and motor, during apparatus running, produce the interference of electromagnetic noise to radio communication, adopt highly reliable self-organizing network, applying hierarchical enterprise schema, support message convergence and depolymerization, support spread spectrum communication and narrow band communication.
2. use communication, be convenient to expansion and debugging.Use communication, avoided numerous and diverse cable and optical cable laying work, later maintenance is also more convenient, is convenient to expansion simultaneously, and the quantity that can expand in theory is not limit.

Claims (5)

1. intelligent substation auxiliary control system wireless humiture transducer, it is characterized in that: it is upper that signals collecting transducer, treatment circuit, Real Time Clock System, wireless communication system and controller system are arranged on the inner core circuit plate (3) of crust of the device (1), and display system, waterproof knob (2) and antenna (4) are arranged on shell (1); Waterproof knob (2) is connected with service cable;
Described signals collecting transducer is connected with treatment circuit, is then connected to successively controller system with Real Time Clock System, wireless communication system and display system.
2. intelligent substation auxiliary control system wireless humiture transducer according to claim 1, is characterized in that: described treatment circuit comprises filter circuit, signal amplification circuit and analog to digital conversion circuit.
3. intelligent substation auxiliary control system wireless humiture transducer according to claim 1, it is characterized in that: the secondary singal access treatment circuit of described signals collecting transducer output, treatment circuit is sent conditioned analog signal into controller and is carried out computing, and result of calculation is presented on display screen.
4. intelligent substation auxiliary control system wireless humiture transducer according to claim 1, it is characterized in that: described wireless communication system is connected with auxiliary control system monitoring background computer, and by radio communication, measurement result is uploaded, computer can be configured parameters such as the communication of transducer, measurement, warning, calibrations by serial ports instruments such as COM Debug Assistants.
5. the monitoring method of intelligent substation auxiliary control system wireless humiture transducer, is characterized in that: by wireless communications mode, can monitor the humiture data in each control room cancelling the in the situation that telecommunication cable being laid, concrete steps are as follows:
(1) do not lay under the prerequisite of telecommunication cable not destroying original structure, adopt intelligent substation auxiliary control system wireless humiture installation of sensors on the wall of control room, obtain indoor real time humiture data;
(2) by signals collecting transducer, voltage signal corresponding to the humiture situation collecting change into;
(3) voltage signal is passed through after processing circuit processes, the analog to digital conversion circuit of sending into controller carries out computing, obtains digitized indoor temperature and humidity data;
(4) the digitized indoor temperature and humidity data in above-mentioned steps (3) are shown on display screen, and compare with predefined corresponding control room humiture permissible value, if be greater than permissible value, the signal of display alarm simultaneously on display screen;
(5) real time data by wireless communication system, above-mentioned steps (3) being calculated uploads to background monitoring computer, background monitoring computer carries out various relevant parameter configurations by communication protocol to monitoring device, to meet the requirement of different control rooms to humiture.
CN201310550702.2A 2013-11-09 2013-11-09 Intelligent substation auxiliary control system wireless humiture transducer and monitoring method Active CN103560586B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179376A (en) * 1991-02-28 1993-01-12 Systems Analysis And Integration, Inc. Substation load distribution monitor system
CN101908265A (en) * 2010-08-03 2010-12-08 天津市欧诺仪器仪表有限公司 Wireless humiture observation system
CN201928121U (en) * 2010-12-31 2011-08-10 周炳军 Direct insert type terminal box of pumping unit motor
CN202231489U (en) * 2011-09-30 2012-05-23 宁海县供电局 Temperature and humidity monitoring system for switching station
CN102931731A (en) * 2012-11-08 2013-02-13 衡水供电公司 Integrated intelligent monitoring system applicable to substation direct-current power supply
CN103107597A (en) * 2012-12-27 2013-05-15 上海欧忆智能网络有限公司 Power distribution net box type transformer environmental parameters on-line monitoring system
CN203587137U (en) * 2013-11-09 2014-05-07 国家电网公司 Wireless temperature and humidity sensor for auxiliary control system of intelligent transformer station

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179376A (en) * 1991-02-28 1993-01-12 Systems Analysis And Integration, Inc. Substation load distribution monitor system
CN101908265A (en) * 2010-08-03 2010-12-08 天津市欧诺仪器仪表有限公司 Wireless humiture observation system
CN201928121U (en) * 2010-12-31 2011-08-10 周炳军 Direct insert type terminal box of pumping unit motor
CN202231489U (en) * 2011-09-30 2012-05-23 宁海县供电局 Temperature and humidity monitoring system for switching station
CN102931731A (en) * 2012-11-08 2013-02-13 衡水供电公司 Integrated intelligent monitoring system applicable to substation direct-current power supply
CN103107597A (en) * 2012-12-27 2013-05-15 上海欧忆智能网络有限公司 Power distribution net box type transformer environmental parameters on-line monitoring system
CN203587137U (en) * 2013-11-09 2014-05-07 国家电网公司 Wireless temperature and humidity sensor for auxiliary control system of intelligent transformer station

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