CN202931029U - Intelligent monitoring terminal for distribution transformer - Google Patents
Intelligent monitoring terminal for distribution transformer Download PDFInfo
- Publication number
- CN202931029U CN202931029U CN2012205017077U CN201220501707U CN202931029U CN 202931029 U CN202931029 U CN 202931029U CN 2012205017077 U CN2012205017077 U CN 2012205017077U CN 201220501707 U CN201220501707 U CN 201220501707U CN 202931029 U CN202931029 U CN 202931029U
- Authority
- CN
- China
- Prior art keywords
- signal input
- distribution transformer
- monitoring terminal
- intelligent monitoring
- signal output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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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 discloses an intelligent monitoring terminal for a distribution transformer, comprising an LCD (liquid crystal display) screen, a keyboard, an electric quantity isolation sensor, a low-pass filter circuit, an A/D converter, a zero-crossing comparator, a phase-locked loop, a central processor, a programmable logic device, a program memory, a data memory and a wireless communication module. A signal output end of the electric quantity isolation sensor is connected with a signal input end of the low-pass filter circuit, a signal output end of the low-pass filter circuit is connected with a signal input end of the A/D converter and a signal input end of the zero-crossing comparator, a signal output end of the programmable logic device is connected with a signal input end of the phase-locked loop, the central processor is connected with the program memory and the data memory, and the central processor is also connected with the wireless communication module. The intelligent monitoring terminal can collect and process various power parameters of the distribution transformer in real time, including the voltage, the current, the power and the harmonic wave, and is connected with a monitoring platform via a communication network.
Description
Technical field
The utility model relates to a kind of intelligent monitoring terminal, particularly relates to a kind of distribution transformer intelligent monitoring terminal.
Background technology
At present, because the power failure that the fault of power distribution network causes accounts for more than 90% of total power failure, and distribution transformer is electric energy directly to be distributed to the power equipment of low-voltage customer in China, and its service data is whole power distribution network base
The important component part of plinth data.Strengthen the operational monitoring of distribution transformer for this reason, to comprehensive raising operation level, eliminate potential faults and misoperation mode and all will provide positive guarantee.Wide and the low requirement of real-time for the dispersion of distribution transformer monitoring terminal, transformer station has a very wide distribution, for its operation conditions, only have the attendant to go to the scene to understand, time-consuming like this, waste of manpower can not be monitored distribution transformer timely and effectively.
Summary of the invention
The purpose of this utility model is to provide in order to address the above problem that a kind of intelligent degree is high, processing speed is fast, volume is little and the distribution transformer intelligent monitoring terminal of stable performance.
The utility model is achieved through the following technical solutions:
a kind of distribution transformer intelligent monitoring terminal, comprise LCD display, keyboard, the electric weight isolation sensor, low-pass filter circuit, A/D converter, zero-crossing comparator, phase-locked loop, central processing unit, programmable logic device, program storage, data storage and wireless communication module, the signal output part of described electric weight isolation sensor is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit and the signal input part of described A/D converter be connected the signal input part of zero-crossing comparator and be connected, the signal output part of described zero-crossing comparator is connected with the signal input part of described programmable logic device, the signal output part of described programmable logic device is connected with the signal input part of described phase-locked loop, the signal output part of described phase-locked loop and the signal input part of described total central processor be connected the signal input part of A/D converter and be connected, described central processing unit and described program storage be connected data storage and be connected, described central processing unit is connected with described wireless communication module.
Operation principle: the electric weight isolation sensor is converted to the voltage signal of 0-5V with the instrument transformer three-phase voltage current that is coupled, and after low-pass filter circuit is with filtering, enters A/D converter.Central processing unit is controlled A/D converter and is carried out synchronous data collection, central processing unit carries out calculation process with signal, calculate all kinds of parameters of electric power, and compare with setting, if surpass setting, record limiting value, and limiting value is stored in data storage, send data to the remote monitoring platform by wireless communication module simultaneously.
As preferably, described distribution transformer intelligent monitoring terminal also comprises the RS485 interface, and described RS485 interface is connected with described central processing unit.
As preferably, described distribution transformer intelligent monitoring terminal also comprises the CAN interface, and described CAN interface is connected with described central processing unit.
The beneficial effects of the utility model are:
The utility model has configured high performance central processing unit and programmable logic device, thereby has that intelligent degree is high, processing speed is fast, volume is little and steady performance.The utility model can realize that the multiple parameters of electric power such as voltage, electric current, power, harmonic wave to distribution transformer etc. is multiple carry out Real-time Collection and processing, and is connected with monitoring platform by communication network.
Description of drawings
Fig. 1 is the structural representation of the utility model distribution transformer intelligent monitoring terminal.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
as shown in Figure 1, the utility model distribution transformer intelligent monitoring terminal, comprise LCD display, keyboard, the electric weight isolation sensor, low-pass filter circuit, A/D converter, zero-crossing comparator, phase-locked loop, central processing unit, programmable logic device, program storage, data storage and wireless communication module, the signal output part of described electric weight isolation sensor is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit and the signal input part of described A/D converter be connected the signal input part of zero-crossing comparator and be connected, the signal output part of described zero-crossing comparator is connected with the signal input part of described programmable logic device, the signal output part of described programmable logic device is connected with the signal input part of described phase-locked loop, the signal output part of described phase-locked loop and the signal input part of described total central processor be connected the signal input part of A/D converter and be connected, described central processing unit and described program storage be connected data storage and be connected, described central processing unit is connected with described wireless communication module.
Operation principle: the electric weight isolation sensor is converted to the voltage signal of 0-5V with the instrument transformer three-phase voltage current that is coupled, and after low-pass filter circuit is with filtering, enters A/D converter.Central processing unit is controlled A/D converter and is carried out synchronous data collection, central processing unit carries out calculation process with signal, calculate all kinds of parameters of electric power, and compare with setting, if surpass setting, record limiting value, and limiting value is stored in data storage, send data to the remote monitoring platform by wireless communication module simultaneously.
Described distribution transformer intelligent monitoring terminal also comprises the RS485 interface, and described RS485 interface is connected with described central processing unit.Described distribution transformer intelligent monitoring terminal also comprises the CAN interface, and described CAN interface is connected with described central processing unit.
Claims (3)
1. distribution transformer intelligent monitoring terminal, comprise LCD display and keyboard, it is characterized in that: comprise the electric weight isolation sensor, low-pass filter circuit, A/D converter, zero-crossing comparator, phase-locked loop, central processing unit, programmable logic device, program storage, data storage and wireless communication module, the signal output part of described electric weight isolation sensor is connected with the signal input part of described low-pass filter circuit, the signal output part of described low-pass filter circuit and the signal input part of described A/D converter be connected the signal input part of zero-crossing comparator and be connected, the signal output part of described zero-crossing comparator is connected with the signal input part of described programmable logic device, the signal output part of described programmable logic device is connected with the signal input part of described phase-locked loop, the signal output part of described phase-locked loop and the signal input part of described total central processor be connected the signal input part of A/D converter and be connected, described central processing unit and described program storage be connected data storage and be connected, described central processing unit is connected with described wireless communication module.
2. distribution transformer intelligent monitoring terminal according to claim 1, it is characterized in that: described distribution transformer intelligent monitoring terminal also comprises the RS485 interface, described RS485 interface is connected with described central processing unit.
3. distribution transformer intelligent monitoring terminal according to claim 1, it is characterized in that: described distribution transformer intelligent monitoring terminal also comprises the CAN interface, described CAN interface is connected with described central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205017077U CN202931029U (en) | 2012-09-28 | 2012-09-28 | Intelligent monitoring terminal for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205017077U CN202931029U (en) | 2012-09-28 | 2012-09-28 | Intelligent monitoring terminal for distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931029U true CN202931029U (en) | 2013-05-08 |
Family
ID=48220939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205017077U Expired - Fee Related CN202931029U (en) | 2012-09-28 | 2012-09-28 | Intelligent monitoring terminal for distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701204A (en) * | 2012-09-28 | 2014-04-02 | 四川奥格科技有限公司 | Intelligent monitoring terminal of distribution transformer |
-
2012
- 2012-09-28 CN CN2012205017077U patent/CN202931029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701204A (en) * | 2012-09-28 | 2014-04-02 | 四川奥格科技有限公司 | Intelligent monitoring terminal of distribution transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20130928 |