CN102981069A - Electric energy comprehensive information acquisition terminal - Google Patents
Electric energy comprehensive information acquisition terminal Download PDFInfo
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- CN102981069A CN102981069A CN2011102651713A CN201110265171A CN102981069A CN 102981069 A CN102981069 A CN 102981069A CN 2011102651713 A CN2011102651713 A CN 2011102651713A CN 201110265171 A CN201110265171 A CN 201110265171A CN 102981069 A CN102981069 A CN 102981069A
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Abstract
The invention relates to an electric energy comprehensive information acquisition terminal which comprises a data processing module, an acquisition module, a memory module, a display module, a communication module and a power module. The acquisition module and the memory module are respectively connected with the data processing module. The display module and the communication module are respectively connected with the memory module. The data processing module, the memory module and the display module are respectively connected with the power module, and the power module supplies electricity to the data processing module, the memory module and the display module. Compared with the prior art, the electric energy comprehensive information acquisition terminal has the advantages of being high in acquisition accuracy and low in cost.
Description
Technical field
The present invention relates to a kind of data collection station, especially relate to a kind of electric energy integrated information acquisition terminal.
Background technology
In recent years along with the rapid growth of electric load, power load increasingly complex and variation, more and more non-linear, impact, uncompensated load access electrical network, all have influence on to some extent the quality of power supply of electrical network, in addition monitoring means imperfection and operation, external interference and various failure and other reasons, power quality problem becomes increasingly conspicuous.The solution of power quality problem relate to a series of work such as monitoring, assessment, improvement of the quality of power supply, and comprehensively electric energy quality monitoring is the basis of these work.But at present too expensive because of quality of power supply on-line monitoring equipment in the transformer station, install complicated, thereby can't carry out widely electric energy quality monitoring.
Summary of the invention
Purpose of the present invention is exactly to provide the electric energy integrated information acquisition terminal that a kind of acquisition precision is high, cost is low for the defective that overcomes above-mentioned prior art existence.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of electric energy integrated information acquisition terminal, it is characterized in that, this acquisition terminal comprises data processing module, acquisition module, memory module, display module, communication module and power module, described data processing module connects respectively acquisition module and memory module, described memory module connects respectively display module and communication module, described power module is connection data processing module, memory module and display module respectively, is each module for power supply; Acquisition module gathers current signal and voltage signal, data processing module is processed the current signal that collects and voltage signal and is obtained electricity and power quality data, and it is transferred to memory module, memory module is transferred to display module and communication module with electricity and power quality data, sends it to host computer by communication module.
Described acquisition module comprises current acquisition unit and voltage acquisition unit.
Described communication module adopts RS-232 interface, RS-485 interface or Ethernet interface, can be in several ways and upper machine communication.
Described data processing module adopts ADE7878 electricity computation chip, this chip is a high-precision three-phase electric energy metering integrated chip, integrated second order es-Δ analog to digital converter, digital integration, the ADC reference source circuit, and all carry out (fundamental sum harmonic wave) meritorious, idle and apparent electric energy metrical, first-harmonic meritorious and reactive energy measurement and RMS calculating are processed by digital signal processor (DSP) executive signal.
Compared with prior art, the present invention has the following advantages:
1, monitoring index is many, has both had the electricity function of measuring, has again the Steady State Power Quality monitoring function.
The function that 2, will have the instrument such as electric energy acquisition in the transformer and distribution power station and electric energy quality monitoring now has been carried out organic combination, simplified the quantity of field apparatus, provide convenience for construction and O﹠M, be conducive to electrical network electric energy quality monitoring and line loss the further developing of work that become more meticulous.
3, terminal interface is various, has both had the communication interfaces such as RS485, RS232 of traditional ammeter, has again ethernet interface, can satisfy the hardware interface requirement that electric flux system acquisition electric energy data and electric energy quality monitoring system gather power quality data.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Embodiment
As shown in Figure 1, a kind of electric energy integrated information acquisition terminal, this acquisition terminal comprise acquisition module 1, data processing module 2, memory module 3, display module 4, communication module 5 and power module 6.Acquisition module 1 comprises current acquisition unit 11 and voltage acquisition unit 12, gathers respectively current signal and voltage signal.The current signal that collects and voltage signal are transferred to data processing module 2, are calculated the data such as active power, active energy by data processing module 2, and in the practical application, this data processing module 2 can adopt ADE7878 electricity computation chip.Data processing module 2 output terminals connect memory module 3, and the data transmission that processing obtains is stored in memory module 3.Memory module 3 connects respectively display module 4 and communication module 5, has comprised multiple communication interface in the communication module 5, comprises RS-232 interface, RS-485 interface or Ethernet interface, can be in several ways and upper machine communication.Power module 6 is connection data processing module 2, memory module 3 and display module 4 respectively, is each module for power supply.
The present invention will have the function of the instrument such as electric energy acquisition in the transformer and distribution power station and electric energy quality monitoring now and carry out organic combination, simplified the quantity of field apparatus, provide convenience for construction and O﹠M, be conducive to electrical network electric energy quality monitoring and line loss the further developing of work that become more meticulous.
Claims (4)
1. electric energy integrated information acquisition terminal, it is characterized in that, this acquisition terminal comprises data processing module, acquisition module, memory module, display module, communication module and power module, described data processing module connects respectively acquisition module and memory module, described memory module connects respectively display module and communication module, and described power module is connection data processing module, memory module and display module respectively;
Acquisition module gathers current signal and voltage signal, data processing module is processed the current signal that collects and voltage signal and is obtained electricity and power quality data, and it is transferred to memory module, memory module is transferred to display module and communication module with electricity and power quality data, sends it to host computer by communication module.
2. a kind of electric energy integrated information acquisition terminal according to claim 1 is characterized in that described acquisition module comprises current acquisition unit and voltage acquisition unit.
3. a kind of electric energy integrated information acquisition terminal according to claim 1 is characterized in that, described communication module adopts RS-232 interface, RS-485 interface or Ethernet interface.
4. a kind of electric energy integrated information acquisition terminal according to claim 1 is characterized in that, described data processing module adopts ADE7878 electricity computation chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651713A CN102981069A (en) | 2011-09-07 | 2011-09-07 | Electric energy comprehensive information acquisition terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651713A CN102981069A (en) | 2011-09-07 | 2011-09-07 | Electric energy comprehensive information acquisition terminal |
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| CN102981069A true CN102981069A (en) | 2013-03-20 |
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| CN2011102651713A Pending CN102981069A (en) | 2011-09-07 | 2011-09-07 | Electric energy comprehensive information acquisition terminal |
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Cited By (5)
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| CN103197179A (en) * | 2013-03-26 | 2013-07-10 | 国家电网公司 | Power quality detecting terminal used for power grids |
| CN103454493A (en) * | 2013-09-16 | 2013-12-18 | 国网河南省电力公司焦作供电公司 | Power quality detection system and operation method thereof |
| CN104330679A (en) * | 2014-11-25 | 2015-02-04 | 国家电网公司 | Electric energy quality monitoring system |
| CN105160861A (en) * | 2015-10-15 | 2015-12-16 | 国网山东省电力公司聊城供电公司 | Reliable transmission device of micro-power signal and application of reliable transmission device |
| CN106291030A (en) * | 2016-09-27 | 2017-01-04 | 国网山东省电力公司济南供电公司 | A kind of power distribution network metering guard system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103197179A (en) * | 2013-03-26 | 2013-07-10 | 国家电网公司 | Power quality detecting terminal used for power grids |
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| CN104330679A (en) * | 2014-11-25 | 2015-02-04 | 国家电网公司 | Electric energy quality monitoring system |
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| CN106291030B (en) * | 2016-09-27 | 2019-04-23 | 国网山东省电力公司济南供电公司 | A kind of distribution network metering guard system |
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Application publication date: 20130320 |