CN105245003A - Comprehensive monitoring device and method for low-voltage distribution network - Google Patents
Comprehensive monitoring device and method for low-voltage distribution network Download PDFInfo
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- CN105245003A CN105245003A CN201510632043.6A CN201510632043A CN105245003A CN 105245003 A CN105245003 A CN 105245003A CN 201510632043 A CN201510632043 A CN 201510632043A CN 105245003 A CN105245003 A CN 105245003A
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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
- Y04S40/126—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 using wireless data transmission
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a comprehensive monitoring device and method for a low-voltage distribution network. The comprehensive monitoring device for the low-voltage distribution network comprises a plurality of data collection nodes, a data gateway, a portable PC, a GPRS communication module and a remote computer terminal, wherein the plurality of data collection nodes communicate with the data gateway through a ZigBee network; the data gateway is connected with the portable PC through a data lie; the portable PC is connected with the GPRS communication module through the data line; and the GPRS communication module is connected with the remote computer terminal through a GPRS network. According to the comprehensive monitoring device and method for the low-voltage distribution network, simultaneous real-time monitoring on electric parameters and on-off states of a plurality of loops can be achieved; and data can be collected, analyzed and stored all the time for a long period of time, can be read through a U disk, and can also be remotely displayed in a centralized manner, so that analysis and elimination of potential problems of a power grid are facilitated; and the comprehensive monitoring device and method have good reliability and instantaneity.
Description
Technical field
The present invention relates to a kind of composite monitoring device and method, particularly relate to a kind of low pressure multiloop composite monitoring device and method, belong to energy monitoring apparatus technical field.
Background technology
At present, often there is the situation that the clients such as switch overload, three-phase imbalance tripping operation, low voltage failure report for repairment in low-voltage network, and repair personnel usually needs to gather related data and analyzes, and determines that reason can take effective maintenance measures.But existing all kinds of monitoring terminal only can carry out single loop data acquisition to distribution transforming critical point and table case end, and be fixed installation, portable multiloop data acquisition function cannot be realized, if rely on manual site to measure, can only measure in real time the data of certain time point, the gather and analysis of all the period of time data cannot be realized, make troubles to the operation maintenance of low-voltage network.
Summary of the invention
The object of the present invention is to provide a kind of low-voltage network composite monitoring device and method, can realize Real-Time Monitoring, storage, transmission multi-loop electric parameter and on off state, monitoring device is multiloop, compact conformation, portable installation.
Object of the present invention is achieved by the following technical programs:
A kind of low-voltage network composite monitoring device, comprise multiple data acquisition node 1, data gateway 2, portable PC 3, GPRS communication module 4, remote computer terminal 5, described multiple data acquisition node 1 is communicated by ZigBee-network with data gateway 2, described data gateway 2 is connected with portable PC 3 by data wire, described portable PC 3 is connected with GPRS communication module 4 by data wire, and described GPRS communication module 4 is connected by GPRS network with remote computer terminal 5.
A collecting method for low-voltage network composite monitoring device, comprises the following steps:
1) power-on self-test;
2) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
3) peripheral hardware initialization is carried out;
4) image data AD conversion;
5) software filtering is carried out;
6) electrical quantity calculating is carried out;
7) network service is waited for;
8) judge that whether network is normal;
9) by ZigBee-network uploading data.
A data gateway communication means for low-voltage network composite monitoring device, comprises the following steps:
1) power-on self-test;
2) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
3) ZigBee data register is inquired about;
4) data have been judged whether;
5) if do not have data, step 4 is returned), if there are data, carry out step 6);
6) ZigBee data are received;
7) communication Protocol Conversion is carried out;
8) data are sent to USB interface.
Object of the present invention can also be realized further by following technical measures:
Aforementioned low-voltage network composite monitoring device, wherein data acquisition node 1 comprises power module 6, signal conditioning circuit 7, electric energy measure chip 8, MCU9, radio frequency transmitter circuitry 10, described power module 6 powers to signal conditioning circuit 7, electric energy measure chip 8, MCU9, radio frequency transmitter circuitry 10, described signal conditioning circuit 7 receives voltage, the current signal that PT, CT gather, described signal conditioning circuit 7 is connected with electric energy measure chip 8, described electric energy measure chip 8 is connected with MCU9, and described MCU9 is connected with radio frequency transmitter circuitry 10; Described power module 6 adopts LDOTPS79633, and described electric energy measure chip 8 adopts ADE7878, and described MCU9 adopts STM32F103C8T6, and described radio frequency transmitter circuitry 10 adopts CC2530.
Aforementioned low-voltage network composite monitoring device, wherein data gateway 2 comprises microprocessor 11, data receiver circuit 12, power-switching circuit 13, usb 14, described data receiver circuit 12 is connected with microprocessor 11 by UART mouth, described microprocessor 11 is connected with usb 14, described usb 14 is connected with power-switching circuit 13, and the 5V Power convert that usb 14 provides by described power-switching circuit 13 is that 3.3V power supply is supplied to microprocessor 11, data receiver circuit 12.
Compared with prior art, the invention has the beneficial effects as follows:
(1) can simultaneously to the electric parameter in multiple loop and the Real-Time Monitoring of on off state, data can all the period of time, carry out gathering for a long time, analyze, store, can read by USB flash disk, also can remote centralized displaying, conveniently analysis investigation is carried out to electrical network potential problems, there is good reliability and real-time;
(2) compact, carries and easy accessibility, can realize portable installation, has very strong portability;
(3) data can be uploaded by long-distance radio communication, are convenient to real-time monitoring;
(4) lower data collection network adopts ZigBee framework, and collection point quantity is many, easily can increase number of nodes, and without the need to wiring, the rapid deployment being convenient to on-the-spot multiloop monitoring method is built.
Accompanying drawing explanation
Fig. 1 is the system block diagram of low-voltage network composite monitoring device of the present invention;
Fig. 2 is low-voltage network composite monitoring device data acquisition node system block diagram of the present invention;
Fig. 3 is the data gateway system block diagram of low-voltage network composite monitoring device of the present invention;
Fig. 4 is low-voltage network composite monitoring device collecting method flow chart of the present invention;
Fig. 5 is the data gateway communication means flow chart of low-voltage network composite monitoring device of the present invention;
Fig. 6 is signal flow graph.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, low-voltage network composite monitoring device, comprise multiple data acquisition node 1, data gateway 2, portable PC 3, GPRS communication module 4, remote computer terminal 5, described multiple data acquisition node 1 is communicated by ZigBee-network with data gateway 2, described data gateway 2 is connected with portable PC 3 by data wire, described portable PC 3 is connected with GPRS communication module 4 by data wire, and described GPRS communication module 4 is connected by GPRS network with remote computer terminal 5.
As shown in Figure 2, data acquisition node 1 comprises power module 6, signal conditioning circuit 7, electric energy measure chip 8, MCU9, radio frequency transmitter circuitry 10, described power module 6 powers to signal conditioning circuit 7, electric energy measure chip 8, MCU9, radio frequency transmitter circuitry 10, described signal conditioning circuit 7 receives voltage, the current signal that PT, CT gather, described signal conditioning circuit 7 is connected with electric energy measure chip 8, described electric energy measure chip 8 is connected with MCU9, and described MCU9 is connected with radio frequency transmitter circuitry 10; Data acquisition node uses the three-phase multifunctional electric energy measure chip ADE7878 of a slice AnalogDevices to carry out electric parameter metering calculating.The signal of telecommunication of external voltage current sensor collection is admitted to the inside high-precision adc of ADE7878 through respective signal conditioning circuit, the calculating of three-phase electricity parameter is carried out subsequently by the inner integrated digital signal processor DSP of ADE7878, the high-performance microprocessor STM32F103C8T6 based on Cotex-M3 kernel is sent into by SPI interface after having calculated, electric parameter data is carried out integration packing and is sent into Zigbee network communication chip CC2530 by serial ports by STM32F103C8T6, and data will be transferred to upper layer data gateway by Zigbee standard communication protocol by CC2530 successively.In addition, STM32F103C8T6 can also detect external switch amount information, and switching value information can together be sent to upper strata gateway with electric parameter.Whole electric parameter Acquisition Circuit is powered by triple insulating power supply, and signal condition and radio frequency communication section all employ RF level LDOTPS79633 powers respectively.
As shown in Figure 3, data gateway 2 comprises microprocessor 11, data receiver circuit 12, power-switching circuit 13, usb 14, described data receiver circuit 12 is connected with microprocessor 11 by UART mouth, described microprocessor 11 is connected with usb 14, described usb 14 is connected with power-switching circuit 13, and the 5V Power convert that usb 14 provides by described power-switching circuit 13 is that 3.3V power supply is supplied to microprocessor 11, data receiver circuit 12.
Multiple data acquisition node is preferably 8, in fact can according to circumstances increase arbitrarily and reduce, and each data acquisition node all can gather voltage, current signal by described PT, CT, obtains field data information.Data acquisition node is connected with the signal input part of data gateway by ZigBee communication network, data gateway is connected with portable PC by data wire, that is portable PC is connected with the signal output part of data gateway by USB port, and portable PC can carry out Storage and Processing to the data message obtained; Said portable PC is also connected with GPRS communication module by data wire, that is cellular PC is connected by USB port with GPRS communication module, and GPRS communication module is connected with remote computer terminal by communication network (communication).By such structural design, data acquisition node directly hangs on tested loop, the voltage in each data acquisition node Real-time Collection loop, current signal, and carry out data processing, data after process are exported to data gateway by ZigBee-network controller, data gateway receives the data message that data acquisition node transmits, portable PC is transferred to after being mated with universal PC data-interface by data message, portable PC display electrical quantity, draw a diagram, carry out man-machine interaction, utilize PC hard disk to carry out data storage simultaneously, then GPRS communication module is sent data to, GPRS communication module sends data to remote computer terminal.
Low-voltage network composite monitoring device collecting method flow chart as shown in Figure 4, comprises the following steps:
10) power-on self-test;
11) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
12) peripheral hardware initialization is carried out;
13) image data AD conversion;
14) software filtering is carried out;
15) electrical quantity calculating is carried out;
16) network service is waited for;
17) judge that whether network is normal;
18) by ZigBee-network uploading data.
The data gateway communication means flow chart of low-voltage network composite monitoring device as shown in Figure 5, comprises the following steps:
9) power-on self-test;
10) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
11) ZigBee data register is inquired about;
12) data have been judged whether;
13) if do not have data, step 4 is returned), if there are data, carry out step 6);
14) ZigBee data are received;
15) communication Protocol Conversion is carried out;
16) data are sent to USB interface.
As shown in Figure 6, in the technical program, the electrical quantity in each loop and on off state are obtained by transducer by each data acquisition node, and carry out electric parameter calculating by each data acquisition node built-in MCU, directly obtain many groups of (one group, each loop) voltages, current effective value, average power, voltage, the power quality parameters such as current distortion rate, these parameters are direct subsequently to be transferred to data gateway by Zigbee network and carries out communication Protocol Conversion, then portable general PC is transferred data to by usb communication interface, universal PC stores data, display, paint table, the issue of analysis and warning message, in addition, these data are also sent to remote terminal by GPRS communication module, realize remote monitoring, unmanned monitoring and remote alarms.
In addition to the implementation, the present invention can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of application claims.
Claims (5)
1. a low-voltage network composite monitoring device, it is characterized in that, comprise multiple data acquisition node (1), data gateway (2), portable PC (3), GPRS communication module (4), remote computer terminal (5), described multiple data acquisition node (1) is communicated by ZigBee-network with data gateway (2), described data gateway (2) is connected with portable PC (3) by data wire, described portable PC (3) is connected with GPRS communication module (4) by data wire, described GPRS communication module (4) is connected by GPRS network with remote computer terminal (5).
2. low-voltage network composite monitoring device as claimed in claim 1, it is characterized in that, described data acquisition node (1) comprises power module (6), signal conditioning circuit (7), electric energy measure chip (8), MCU (9), radio frequency transmitter circuitry (10), described power module (6) is to signal conditioning circuit (7), electric energy measure chip (8), MCU (9), radio frequency transmitter circuitry (10) is powered, described signal conditioning circuit (7) receives PT, the voltage that CT gathers, current signal, described signal conditioning circuit (7) is connected with electric energy measure chip (8), described electric energy measure chip (8) is connected with MCU (9), described MCU (9) is connected with radio frequency transmitter circuitry (10), described power module (6) adopts LDOTPS79633, and described electric energy measure chip (8) adopts ADE7878, described MCU (9) to adopt STM32F103C8T6, and described radio frequency transmitter circuitry (10) adopts CC2530.
3. low-voltage network composite monitoring device as claimed in claim 1, it is characterized in that, described data gateway (2) comprises microprocessor (11), data receiver circuit (12), power-switching circuit (13), USB interface (14), described data receiver circuit (12) is connected with microprocessor (11) by UART mouth, described microprocessor (11) is connected with USB interface (14), described USB interface (14) is connected with power-switching circuit (13), the 5V Power convert that USB interface (14) provides is that 3.3V power supply is supplied to microprocessor (11) by described power-switching circuit (13), data receiver circuit (12).
4. a collecting method for the low-voltage network composite monitoring device as described in claim 1 or 2 or 3, is characterized in that, comprise the following steps:
1) power-on self-test;
2) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
3) peripheral hardware initialization is carried out;
4) image data AD conversion;
5) software filtering is carried out;
6) electrical quantity calculating is carried out;
7) network service is waited for;
8) judge that whether network is normal;
9) by ZigBee-network uploading data.
5. a data gateway communication means for the low-voltage network composite monitoring device as described in claim 1 or 2 or 3, is characterized in that, comprise the following steps:
1) power-on self-test;
2) judge whether self-inspection is passed through; If do not pass through, fault alarm, if by, enter step 3);
3) ZigBee data register is inquired about;
4) data have been judged whether;
5) if do not have data, step 4 is returned), if there are data, carry out step 6);
6) ZigBee data are received;
7) communication Protocol Conversion is carried out;
8) data are sent to USB interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510632043.6A CN105245003A (en) | 2015-09-29 | 2015-09-29 | Comprehensive monitoring device and method for low-voltage distribution network |
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| CN201510632043.6A CN105245003A (en) | 2015-09-29 | 2015-09-29 | Comprehensive monitoring device and method for low-voltage distribution network |
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| CN201510632043.6A Pending CN105245003A (en) | 2015-09-29 | 2015-09-29 | Comprehensive monitoring device and method for low-voltage distribution network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943538A (en) * | 2019-12-05 | 2020-03-31 | 国网上海市电力公司 | Smart electric power thing networking intelligent electric quantity terminal based on embedded ARM |
| CN113923126A (en) * | 2021-09-13 | 2022-01-11 | 国网浙江省电力有限公司湖州供电公司 | Four-way distribution network quality monitoring device and method thereof |
| CN115242579A (en) * | 2022-08-04 | 2022-10-25 | 浙江瑞瀛物联科技有限公司 | PWM signal acquisition system and method based on lamplight color temperature adjustment |
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| CN203135590U (en) * | 2013-03-21 | 2013-08-14 | 安徽工程大学 | Intelligent power grid integrated data acquisition system |
| CN104571051A (en) * | 2015-01-14 | 2015-04-29 | 国家电网公司 | Power transmission line discharge remote monitoring system based on ZigBee-GPRS network |
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- 2015-09-29 CN CN201510632043.6A patent/CN105245003A/en active Pending
Patent Citations (4)
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| CN101951027A (en) * | 2010-09-01 | 2011-01-19 | 中国电力科学研究院 | Uniform data acquisition and monitoring system of low-medium voltage power distribution network |
| CN102104989A (en) * | 2010-12-24 | 2011-06-22 | 南京财经大学 | Wireless sensor network system for monitoring real-time data of power grid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110943538A (en) * | 2019-12-05 | 2020-03-31 | 国网上海市电力公司 | Smart electric power thing networking intelligent electric quantity terminal based on embedded ARM |
| CN113923126A (en) * | 2021-09-13 | 2022-01-11 | 国网浙江省电力有限公司湖州供电公司 | Four-way distribution network quality monitoring device and method thereof |
| CN113923126B (en) * | 2021-09-13 | 2024-01-02 | 国网浙江省电力有限公司湖州供电公司 | Four-way distribution network quality monitoring device and method |
| CN115242579A (en) * | 2022-08-04 | 2022-10-25 | 浙江瑞瀛物联科技有限公司 | PWM signal acquisition system and method based on lamplight color temperature adjustment |
| CN115242579B (en) * | 2022-08-04 | 2024-03-29 | 浙江瑞瀛物联科技有限公司 | PWM signal acquisition system and method based on lamplight color temperature adjustment |
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