CN202042948U - Intelligent load monitoring and early-warning system for distribution network - Google Patents
Intelligent load monitoring and early-warning system for distribution network Download PDFInfo
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- CN202042948U CN202042948U CN2011201621260U CN201120162126U CN202042948U CN 202042948 U CN202042948 U CN 202042948U CN 2011201621260 U CN2011201621260 U CN 2011201621260U CN 201120162126 U CN201120162126 U CN 201120162126U CN 202042948 U CN202042948 U CN 202042948U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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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
- 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
Abstract
The utility model relates to an intelligent load monitoring and early-warning system for a distribution network. The system comprises a voltage and current sensor, a filtering unit, an A/D (analog-digital) conversion unit, a CPU (central processing unit), a keyboard, a PUM (power management unit), a storage battery, a GSM (global system for mobile) communication unit I, a GSM communication unit II and a PC (personal computer). In the system, the voltage and current sensor arranged on a distribution transformer measures voltage and current signals so as to calculate the load information of the distribution transformer and judge whether the monitored transformer is underloaded or overloaded, so as to realize the load monitoring and the early warning for the distribution network. The system has the characteristics of low power consumption, good intuition, good simplification and convenience and the like and can effectively reduce damages and accidents caused by underloading or overloading of the distribution transformer.
Description
Technical field
The utility model relates to power system load monitoring field, the particularly load monitoring of power distribution network and early warning.
Background technology
Along with the continuous development of urban construction, electricity need load is growing, and is also more and more higher to the reliability requirement of power supply.Even the of short duration power failure of some important loads also can cause great economic loss, this just has higher requirement to the urban power distribution network.And present load monitor system just carries out at large-scale transformer, the distribution transformer in the power distribution network especially city also there is not unified load monitor system.But because the capacity of city power distribution transformer is all smaller, and the development in city is very fast, is easy to cause its overload, thereby causes power outage, causes great economic loss.
At the problem that exists in the reality, need a kind of low-power consumption, the simple in structure and device that can accurately measure distribution transformer institute on-load in real time, provide alert at the transformer of overload or underloading.The utility model mainly is to utilize voltage, the voltage of current sensor measurement distribution transformer, the current signal that is installed on the distribution transformer, after the signal filtering that collects, digitlization, sending into central information processor handles, calculate the load of distribution transformer, and judge institute's monitoring transformer whether underloading or overload, then its information on load and result of determination are sent to information centre by wireless communication module, and be presented on the computer of information centre, realize load monitoring to distribution network.
Summary of the invention
The purpose of this utility model provides a kind of power distribution network intelligence load monitoring and early warning system, this system is fit to power distribution network is carried out real time on-line monitoring, can monitor the variation of power distribution network load at any time, in time find the situation of distribution transformer underloading or overload, this can reduce electric operational accident, raising power supply reliability, guarantee the safe operation of power equipment.
To achieve these goals, the utility model adopts following technical scheme:
Power distribution network intelligence load monitoring and early warning system comprise voltage-current sensor, filter unit, AD conversion unit, central information processor, keyboard, Power Management Unit, storage battery, gsm communication unit I, gsm communication unit II, PC; Wherein,
The output of described voltage-current sensor is connected with the input of filter unit, and the output of filter unit is connected with analog-to-digital input; Described central information processor is connected with keyboard, AD conversion unit, gsm communication unit I, Power Management Unit respectively; Storage battery is connected with Power Management Unit, and PC is connected with the gsm communication unit II; Realize that with communication the transmission of data receives between gsm communication unit I and the gsm communication unit II.
The utility model is owing to said structure, and its advantage is: (1) has characteristics such as directly perceived, quick, easy; (2) remedied can not get in the past distribution transformer with the shortcoming of information on load; (3) the native system cost is low, and the reliability height has tangible effect for reducing the distribution transformer underloading or crossing the loss and the accident that bring.
Description of drawings
Device of the present utility model can further specify by the indefiniteness embodiment that accompanying drawing provides,
Fig. 1 is a system architecture diagram of the present utility model;
Fig. 2 is an operational flowchart of the present utility model;
Among the figure: the 1-voltage-current sensor; The 2-central information processor; 3.1-gsm communication unit I; 3.2-gsm communication unit II; The 4-filter unit; The 5-AD conversion unit; The 6-Power Management Unit; The 7-storage battery; The 8-keyboard; The 9-PC.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of power distribution network intelligence load monitoring and early warning system comprise voltage-current sensor 1, filter unit 4, AD conversion unit 5, central information processor 2, keyboard 8, Power Management Unit 6, storage battery 7, gsm communication unit I 3.1, gsm communication unit II 3.2, PC 9; Wherein,
The output of described voltage-current sensor 1 is connected with the input of filter unit 4, and the output of filter unit 4 is connected with the input of analog-to-digital conversion 5; Described central information processor 2 is connected with keyboard 8, AD conversion unit 5, gsm communication unit, Power Management Unit 6 respectively; Storage battery 7 is connected with Power Management Unit 6, PC 9 be connected; Realize that with communication the transmission of data receives between gsm communication unit I 3.1 and the gsm communication unit II 3.2.
Wherein, central information processor 2 adopts the PIC18F2520 of Microchip company; The TC35i that GSM data communication units I 3.1, gsm communication unit II 3.2 all adopt Siemens Company to produce; The LC-XD1217 storage battery power supply that storage battery 7 adopts Panasonic to produce; Electric power management circuit 6 adopts power conversion chip AMS1117-3.3V.
Referring to Fig. 2, voltage-current sensor 1 is measured the electric current and voltage of distribution transformer, central information processor carries out Treatment Analysis to data then, obtain distribution transformer with load value, and judge institute's monitoring transformer whether underloading or overload, if then on PC, show early warning, otherwise continue the return data collection.
Claims (1)
1. power distribution network intelligence load monitoring and early warning system, it is characterized in that: this system comprises voltage-current sensor (1), filter unit (4), AD conversion unit (5), central information processor (2), keyboard (8), Power Management Unit (6), storage battery (7), gsm communication unit I (3.1), gsm communication unit II (3.2), PC (9); Wherein,
The output of described voltage-current sensor (1) is connected with the input of filter unit (4), and the output of filter unit (4) is connected with the input of analog-to-digital conversion (5); Described central information processor (2) is connected with keyboard (8), AD conversion unit (5), gsm communication unit I (3.1), Power Management Unit (6) respectively; Storage battery (7) is connected with Power Management Unit (6), and PC (9) is connected with gsm communication unit II (3.2); Realize that with communication the transmission of data receives between gsm communication unit I (3.1) and the gsm communication unit II (3.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201621260U CN202042948U (en) | 2011-05-20 | 2011-05-20 | Intelligent load monitoring and early-warning system for distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201621260U CN202042948U (en) | 2011-05-20 | 2011-05-20 | Intelligent load monitoring and early-warning system for distribution network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042948U true CN202042948U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201621260U Expired - Fee Related CN202042948U (en) | 2011-05-20 | 2011-05-20 | Intelligent load monitoring and early-warning system for distribution network |
Country Status (1)
| Country | Link |
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| CN (1) | CN202042948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794039A (en) * | 2012-10-31 | 2014-05-14 | 西门子公司 | Real-time measurement device and control device of electric power system |
| CN107942155A (en) * | 2017-10-24 | 2018-04-20 | 德合南京智能技术有限公司 | Energy efficiency analysis intelligent workstation |
-
2011
- 2011-05-20 CN CN2011201621260U patent/CN202042948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794039A (en) * | 2012-10-31 | 2014-05-14 | 西门子公司 | Real-time measurement device and control device of electric power system |
| CN107942155A (en) * | 2017-10-24 | 2018-04-20 | 德合南京智能技术有限公司 | Energy efficiency analysis intelligent workstation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121029 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121029 Address after: 402260 Chongqing city Jiangjin Jijiang Binjiang Road West No. 366 Patentee after: Chongqing Electric Power Co.,Ltd. Jiangjin Power Supply Bureau Patentee after: State Grid Corporation of China Address before: 402260 Chongqing city Jiangjin Jijiang Binjiang Road West No. 366 Patentee before: Chongqing Electric Power Co.,Ltd. Jiangjin Power Supply Bureau |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20160520 |