CN103972981B - A kind of intelligent monitor system of the low-tension switch cabinet based on cloud - Google Patents
A kind of intelligent monitor system of the low-tension switch cabinet based on cloud Download PDFInfo
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- CN103972981B CN103972981B CN201410111886.7A CN201410111886A CN103972981B CN 103972981 B CN103972981 B CN 103972981B CN 201410111886 A CN201410111886 A CN 201410111886A CN 103972981 B CN103972981 B CN 103972981B
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- cloud server
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- touch screen
- communication equipment
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS 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
- Y04S40/00—Systems 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
- Y04S40/12—Systems 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
- Y04S40/128—Systems 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 involving the use of Internet protocol
Abstract
The intelligent monitor system of a kind of low-tension switch cabinet based on cloud of the present invention, belong to intelligent grid applied technical field, including: switch monitors module, communication equipment, touch screen, Cloud Server, described switch monitors module is connected with communicators, described communication equipment communicates to connect with touch screen and Cloud Server respectively, the electric parameter of each switch detected is uploaded to communication equipment by RS485 communication interface by described switch monitors module, data are respectively transmitted to touch screen and distant place Cloud Server by communication equipment, and accept setting or other instructions of Cloud Server, Cloud Server supports that the data of distant place PC and mobile terminal are read, arrange and control, it is achieved in the Intellectualized monitoring of switch cubicle.The cloud computing technology that native system application is up-to-date, with simple hardware, powerful function, cheap cost, complete the intelligent management of low-tension switch cabinet, the end of low-voltage network is spread to, it is provided that the scheme of a preferably high performance-price ratio powerful, lower-cost for intelligent grid and Internet of Things.
Description
Technical field
The invention belongs to low-voltage distribution technical field, particularly relate to a kind of intelligent switchboard based on cloud computing and development of Mobile Internet technology and monitor system.
Background technology
nullCommon civilian and commercial power，All provided power supply by low-tension switch cabinet for load by electrical network，Low-tension switch cabinet is one of most basic electrical equipment，It is with essential in electric process，And have a large capacity and a wide range，Owing to it directly provides power supply for load，So being also with an important ring of electric process，Under the overall background that intelligent grid advances day by day，The Intellectualized monitoring of low-tension switch cabinet has also put on agenda，But owing to low-tension switch cabinet has a large capacity and a wide range，Installation environment is complicated，And traditional data collecting system SCADA involves great expense、Implement difficulty big、Poor availability (see figure 1)，So the intellectuality of low-tension switch cabinet is not popularized，The existing low-tension switch cabinet overwhelming majority needs pen to copy also in the most original data、Meet accident the state soon of needs，The bottom power dispatching data of the overwhelming majority is all introduced into smart electric grid system，Huge Electrical Safety hidden danger is known nothing，Electrical Safety is caused huge threat.
Summary of the invention
It is an object of the invention to the defect solving exist in prior art, it is provided that a kind of intelligent switchboard based on cloud computing and development of Mobile Internet technology monitors system,
The present invention is realized in, a kind of intelligent monitor system of the low-tension switch cabinet based on cloud, including: switch monitors module, communication equipment, touch screen, Cloud Server, it is characterized in that, described switch monitors module is connected with communicators, described communication equipment communicates to connect with touch screen and Cloud Server respectively, the electric parameter of each switch detected is uploaded to communication equipment by RS485 communication interface by described switch monitors module, data are respectively transmitted to touch screen and distant place Cloud Server by communication equipment, and accept setting or other instructions of Cloud Server, Cloud Server supports that the data of distant place PC and mobile terminal are read, arrange and control, it is achieved in the Intellectualized monitoring of switch cubicle.
Preferably, described switch monitors module is responsible for the data such as the detection electric current of each switch of switch cubicle, voltage, power, power factor, frequency, electric energy, on off state, Control output.
Preferably, described communication equipment is equipped with at least 3 RS485 interfaces, and one of them is connected with switch monitors module, and one is connected with touch screen, and one standby；And it is equipped with at least one Ethernet TCP/IP interface, it is connected with Cloud Server.
Preferably, described touch screen embedded software, described touch screen can the on-the-spot all of electric parameter showing whole switch cubicle, and the alarm threshold value of needs can be set, when switch monitors module detected that the switch such as stream, overvoltage, under-voltage, overfrequency, phase shortage, three-phase imbalance was abnormal, when exceeding alarm threshold value, touch screen sends alarm, all of warning information, Cloud Server is sent on the PC specified and mobile terminal by the Internet.
Preferably, described Cloud Server supports distant place PC and the mobile terminal related data by the Internet read switch cabinet, and arranges control condition and the alert if of switch cubicle as desired by distant place reading terminal.
Preferably, all parameters of switch cubicle, it is possible to be saved in the lane database of Cloud Server, it is ensured that the safety of data.
The invention has the beneficial effects as follows: the present invention utilizes state-of-the-art cloud computing technology and development of Mobile Internet technology, not only realize the Intellectualized monitoring of the low cost to low-voltage distribution cabinet, also by mobile interchange technology, data can be read easily anywhere or anytime and dispose, real-time accepts warning information, substantially increase the practicality of system, availability and convenience, spread to low-voltage distribution cabinet for intelligent grid and Internet of Things and provide an advanced technology, cheap, simple and practical excellent alternative.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of existing low-tension switch cabinet system；
Fig. 2 is the schematic diagram of the intelligent switchboard monitoring system of the present invention；
Fig. 3 is the schematic diagram of the intelligent switchboard monitoring system of the present invention；
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail:
nullA kind of intelligent switchboard based on cloud computing and development of Mobile Internet technology of the present invention monitors system，Including: switch monitors module 1、Communication equipment 2、Touch screen 3、Cloud Server 4，Described switch monitors module 1 is communicated to connect by RS485 interface and communication equipment 2，Described communication equipment 2 is by RS485 interface and touch screen 3，And communicated to connect by Ethernet TCPO/IP interface and Cloud Server 4，The electric parameter of each switch detected is uploaded to communication equipment 2 by RS485 communication interface by described switch monitors module 1，Data are respectively transmitted to touch screen 3 and distant place Cloud Server 4 by communication equipment 2，And accept setting or other instructions of Cloud Server 4，Cloud Server 4 supports that the data of distant place PC and mobile terminal 5 are read、Arrange and control，It is achieved in the Intellectualized monitoring of switch cubicle.Switch monitors module 1, communication equipment 2, touch screen 3 are arranged in power distribution room 6, and switch monitors module 1 is arranged in switch cubicle, and a communication equipment 2 can connect several switch cubicles.
Switch monitors module 1:
Switch monitors module 1 is responsible for the data monitoring of switch and is performed with control, the detection electric current of each switch of switch cubicle, voltage, power, power factor, frequency, electric energy, on off state, Control output etc., and the data of monitoring are uploaded to communication equipment 2 with the communication mode of MODBUS bus RS485, and accept the control instruction of higher level.
Communication equipment 2:
Communication equipment 2 carries multiple RS485 interface and Ethernet TCPO/IP interface, and at least 3 RS485 interfaces of general configuration, one of them accepts downwards the data of switch monitors module 1, and one communicates with touch screen 3, and one standby；And it is equipped with at least one Ethernet TCP/IP interface, for communicating with Cloud Server 4.
The data that switch monitors module 1 is uploaded can be communicated to on-the-spot touch screen 3 by RS485 interface by described communication equipment 2；Transferred data to Cloud Server 4 by other Ethernet TCP/IP interface again, and accepted setting or other instructions of Cloud Server 4 by this interface.
Touch screen 3:
Touch screen 3 embedded software, described touch screen 3 can the on-the-spot all of electric parameter showing whole switch cubicle, it is possible to scene arranges the alarm threshold value of needs, arranges the machine messaging parameter, such as address, baud rate etc..Conventional alarm has: cross stream, overvoltage, under-voltage, overfrequency, phase shortage, three-phase imbalance, switch are abnormal, these alert out-of-limit threshold values can setting on touch screen at the scene, these alarm threshold values can also be arranged by terminal unit (PC or mobile terminal).The all of setting of touch screen 3 can be saved in Cloud Server 4 by communication equipment 2.All of warning information, Cloud Server is sent on the PC specified and mobile terminal by the Internet.
Cloud Server 4:
The server application that Cloud Server 4 is rented for distant place data center, Cloud Server 4 is provided by cloud computing operator, it is mainly used in the present system multiple switch cubicle data are managed, including: data storage, data operation and judgement, control, warning information are issued immediately, support the access of distant place PC/ mobile terminal 5, reading, inquiry, setting and other people are for intervening.Described human intervention has cryptoguard, and cryptoguard can be divided into multistage authority.
Described Cloud Server supports distant place PC and the mobile terminal 5 related data by the Internet read switch cabinet, and arranges control condition and the alert if of switch cubicle as desired by distant place reading terminal.All parameters of switch cubicle, it is possible to be saved in the lane database of Cloud Server, it is ensured that the safety of data.
Cloud Server 4 can be connected with Internet with some distant places PC/ mobile terminal 5.
Cloud computing and mobile interchange technology are well applied in the middle of low-voltage distribution intelligent monitoring system by the present invention, one Cloud Server platform, multiple data collecting system SCADA can be replaced, not only facilitate the unified management of data, also help the reliable storage of data, compared with existing monitoring system, advantage is as follows:
1, function compares
| Contrast project | The present invention | Existing SCADA system |
| Read data tool | Mobile terminal or PC | PC |
| Network | Internet, Ethernet | Ethernet |
| Data store | Cloud Server, multi-level backup and disaster-tolerant backup | Computer hard disc |
| Operation maintenance | Remote maintenance whenever and wherever possible | Special messenger is on duty |
| Power safety | Data center's level N+1 power supply | Civil power+UPS |
| Data safety | Multi-level backup and disaster-tolerant backup | Computer hard disc |
| Memory capacity | Without limitation | There is limitation |
2, investment and operating cost
| Contrast project | The present invention | Existing SCADA | Remarks |
| Place | The installation of all monitoring devices is completed in switch cubicle | Need a control room | Control room calculates with 15 square meters, 3000 yuan every square Calculate, it is necessary to investment: 45000 yuan |
| Hardware | Instrument, centralized displaying is replaced with switch monitors module | Conventional instrument | Each switch can be reduced investment outlay: 150 yuan |
| Software | A set of Cloud Server can manage multiple switch cubicle, buys the clothes of 100,000 yuan in cloud computing operator Business, it is possible to monitor the power distribution room of more than 50.The power distribution room of monitoring is more many, and this scheme advantage is more Greatly. | The switch cubicle of each power distribution room needs a set of SCADA system System, is equipped with software, computer, printer, UPS, rack etc. | Traditional SCSDA system, routinely medium-scale Configuration, hardware and software cost need: 50000 yuan |
It is only preferred embodiment of the present invention in sum, is not used for limiting the practical range of the present invention.Namely all equivalences made according to the content of the present patent application the scope of the claims change and modify, and all should belong to the technology category of the present invention.
Claims (1)
1. the intelligent monitor system based on the low-tension switch cabinet of cloud, including: switch monitors module, communication equipment, touch screen, Cloud Server, it is characterized in that, described switch monitors module is connected with communicators, described communication equipment communicates to connect with touch screen and Cloud Server respectively, touch screen can arrange alarm threshold and the machine messaging parameter in scene, and the alarm threshold arranged by touch screen scene and the machine messaging parameter can be saved in Cloud Server by communication equipment, multiple switch cubicle data are managed by Cloud Server, including: data store, data operation and judgement, control, warning information is issued immediately；Cloud Server supports the access of distant place PC/ mobile terminal, reading, inquiry, setting and human intervention, and described human intervention is provided with cryptoguard, and cryptoguard divides multistage authority；The electric parameter of each switch detected is uploaded to communication equipment by RS485 communication interface by described switch monitors module, and data are respectively transmitted to touch screen and distant place Cloud Server by communication equipment, and accept Cloud Server instruction is set；Described switch monitors module is responsible for the detection electric current of each switch of switch cubicle, voltage, power, power factor, frequency, electric energy, on off state, Control output data；Described communication equipment is equipped with at least 3 RS485 interfaces, and one of them is connected with switch monitors module, and one is connected with touch screen, and one standby；And it is equipped with at least one Ethernet TCP/IP interface, it is used for and Cloud Server communication；Described touch screen embedded software, described touch screen can the on-the-spot all of electric parameter showing whole switch cubicle, when switch monitors module detected stream, overvoltage, under-voltage, overfrequency, phase shortage, three-phase imbalance, switch exception, when exceeding described alarm threshold value, touch screen sends alarm, all of warning information is sent on the distant place PC/ mobile terminal specified by Cloud Server by the Internet, and wherein said alarm threshold also is able to be arranged by distant place PC/ mobile terminal；Described Cloud Server also supports to arrange control condition and the alert if of switch cubicle as desired by distant place reading terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410111886.7A CN103972981B (en) | 2014-03-25 | 2014-03-25 | A kind of intelligent monitor system of the low-tension switch cabinet based on cloud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410111886.7A CN103972981B (en) | 2014-03-25 | 2014-03-25 | A kind of intelligent monitor system of the low-tension switch cabinet based on cloud |
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| CN103972981A CN103972981A (en) | 2014-08-06 |
| CN103972981B true CN103972981B (en) | 2016-07-06 |
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| CN104734363B (en) * | 2015-04-14 | 2017-08-11 | 合肥工业大学 | A kind of High-low voltage switch cabinet system based on Internet of Things |
| CN106300651A (en) * | 2015-05-11 | 2017-01-04 | 江苏中自电气技术有限公司 | A kind of intelligent low voltage power distribution cabinet system |
| CN105891662A (en) * | 2016-04-01 | 2016-08-24 | 苏州威拓科技有限公司 | Power line detection system based on three-network fusion |
| CN105932700B (en) * | 2016-06-27 | 2018-07-13 | 国网冀北节能服务有限公司 | A method of the three-phase imbalance based on cloud service system is administered |
| CN106207799B (en) * | 2016-07-07 | 2018-04-20 | 王登磊 | A kind of switchgear house intelligent monitor system |
| CN107782990A (en) * | 2016-08-27 | 2018-03-09 | 江苏德驰电气有限公司 | A kind of HV switchboard online detection system based on Internet of Things |
| CN106300669A (en) * | 2016-08-28 | 2017-01-04 | 桂林市晶准测控技术有限公司 | A kind of electric power monitoring system based on cloud service |
| CN106685081A (en) * | 2016-12-23 | 2017-05-17 | 广西芮芽科技有限公司 | Control system of high and low voltage switchgear |
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| CN106602731A (en) * | 2017-02-15 | 2017-04-26 | 长兴东宇电器有限公司 | Electric power equipment state monitoring diagnosis system based on cloud end |
| CN106961155A (en) * | 2017-03-30 | 2017-07-18 | 华映科技（集团）股份有限公司 | A kind of intelligent power distribution access system for possessing electricity consumption data monitoring and security function |
| CN107147126B (en) * | 2017-03-30 | 2019-08-20 | 华映科技（集团）股份有限公司 | A kind of intelligent and safe power supply system |
| CN107102659A (en) * | 2017-05-16 | 2017-08-29 | 沈阳工业大学 | It is a kind of can remote monitoring electric distribution cabinet dehumidification system and its control method |
| CN106992602A (en) * | 2017-05-19 | 2017-07-28 | 嘉兴市正辉电力设备有限公司 | A kind of Intelligent low-voltage switchgear |
| CN107222026A (en) * | 2017-06-14 | 2017-09-29 | 合肥易美特建材有限公司 | A kind of high-tension switch cabinet monitoring system |
| CN110012101A (en) * | 2019-04-09 | 2019-07-12 | 杭州美开电气有限公司 | A kind of power distribution cabinet system of fire hazard monitoring |
| CN111953069A (en) * | 2020-07-15 | 2020-11-17 | 安徽巨森电器有限公司 | Cubical switchboard intelligent monitoring system with high in clouds and removal end APP |
| CN112987828A (en) * | 2021-02-07 | 2021-06-18 | 北华大学 | Intelligent monitoring system of Internet of things cloud configuration switch cabinet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138400A (en) * | 2013-02-22 | 2013-06-05 | 西安众恒科技有限公司 | Detecting and monitoring integrated device of touch type man-machine interaction switch cabinet |
| CN203312914U (en) * | 2013-06-04 | 2013-11-27 | 乐山一拉得电网自动化有限公司 | Intelligent high voltage switch cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
-
2014
- 2014-03-25 CN CN201410111886.7A patent/CN103972981B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103138400A (en) * | 2013-02-22 | 2013-06-05 | 西安众恒科技有限公司 | Detecting and monitoring integrated device of touch type man-machine interaction switch cabinet |
| CN203312914U (en) * | 2013-06-04 | 2013-11-27 | 乐山一拉得电网自动化有限公司 | Intelligent high voltage switch cabinet |
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Effective date of registration: 20191226 Address after: 518000 101, 201, building 7, No. 1, Tangqian Industrial Zone, Zhangge community, Fucheng street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhong Peng new electric technology Co., Ltd. Address before: 517399 Guangdong County of Longchuan city in Heyuan Province, the old town neighborhood South Road No. 83 three under water Patentee before: Bao Jianwei |