CN202003448U - Intelligent electrical energy monitoring system - Google Patents

Intelligent electrical energy monitoring system Download PDF

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Publication number
CN202003448U
CN202003448U CN2011201283599U CN201120128359U CN202003448U CN 202003448 U CN202003448 U CN 202003448U CN 2011201283599 U CN2011201283599 U CN 2011201283599U CN 201120128359 U CN201120128359 U CN 201120128359U CN 202003448 U CN202003448 U CN 202003448U
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CN
China
Prior art keywords
chip
electrical energy
electric power
electric energy
intelligent
Prior art date
Application number
CN2011201283599U
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Chinese (zh)
Inventor
郭志峰
吴喜春
黄扬威
朱道俊
Original Assignee
郭志峰
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Priority to CN2011201283599U priority Critical patent/CN202003448U/en
Application granted granted Critical
Publication of CN202003448U publication Critical patent/CN202003448U/en

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Abstract

The utility model relates to an intelligent electrical energy monitoring system, which comprises a voltage transformer and a current transformer, wherein the voltage transformer and the current transformer are respectively connected with an A/D (Analog to Digital) chip and an electrical energy metering chip, the A/D chip and the electrical energy metering chip are connected with a controller, the controller is connected with a liquid crystal display and an IC (Integrated Circuit) radio frequency chip, the controller is connected with a PC (Personal Computer) through an RS-485 bus, and the PC is connected with a server through a network. In the intelligent electrical energy monitoring system disclosed by the utility model, an intelligent electric meter and the Internet are combined, so that the purpose of intelligence is realized; and no electric power personnel is needed to read the meter, and a user having the network does not need to go to banks to pay, so the intelligent electrical energy monitoring system is convenient for the user and an electric power department. The plants and families can feed back the electric power quality information to the electric power department through the network, so that the electric power department can monitor the electric power grid in real time.

Description

A kind of intelligent energy monitor system
Technical field
The utility model relates to a kind of intelligent energy monitor system with electric energy quality monitoring, belongs to the electric power monitoring field.
Background technology
In the prior art: 1, IC electric energy meter: the groundwork principle is when the electric weight in the IC-card runs low, and needs the user to go automatically to pay dues and dashes value electric energy IC-card, promptly buys electricity back electricity consumption earlier.Shortcoming is: function singleness, and not enough hommization, all use the user of this table all to need to fill card, the networking of family expenses electric energy can not be had the electric energy quality monitoring function.
2, electronic electric energy meter: cardinal principle is that inner ARM controls electric energy tariffing, all digitizings.Shortcoming is: need manual metering, function singleness can not have electric energy quality monitoring with the networking of family expenses electric energy.
3, based on the electric energy meter of GPRS:, realize real time monitoring function to the distribution transforming operation conditions by long-range each phase voltage of getting low pressure side stage district multifunctional electric energy meter, electric current, meritorious/reactive power, meritorious/idle total electric weight and point, peak, flat, the paddy timesharing electric weight etc. copied of GPRS mobile radio network.Shortcoming is: the words cost that each user installs is very expensive, and electric energy meter also needs flow to keep radio meter register, to expense of user Lai Shuoshi, does not have the electric energy quality monitoring function.
4, RS485 electric energy meter: utilize electronic technology and sensing technology, traditional ammeter, water meter, gas meter, flow meter are improved, make it become the teletransmission gauging table, adorn a cover metering system out of doors,, deliver to the collector storage of each table the data that each gauging table sensor spreads out of, deliver to the smart circuit unit through functional transformation, each unit is by the data bus parallel connection, on data bus any point all can with the computing machine communication, copy and accept three table data automatically.Shortcoming is: all need a terminal every one section sub-district, and intelligent inadequately, and also function ratio is more single, does not have the electric energy quality monitoring function.
Summary of the invention
The purpose of this utility model provides a kind of intelligent energy monitor system, with electric energy measurement digitizing and networking, and can adopt different pay charge way at different users.
For solving the problems of the technologies described above, the purpose of this utility model is achieved in that a kind of intelligent energy monitor system, comprise voltage transformer (VT), current transformer, described voltage transformer (VT), current transformer connect A/D chip and electric energy computation chip respectively, described A/D chip, electric energy computation chip connect DSP, DSP is connected with LCD, IC radio frequency chip, and described DSP is connected with PC, and described PC is connected with server.
Described DSP is connected with PC by the RS-485 bus.
Described PC is connected with server by network.
A kind of intelligent energy monitor of the utility model system can grasp family and factory's electricity consumption quality information, and power office analyzes by quality of power supply information in the PC host computer of factory, to solve power quality problem.Do not need to go out to pay the fees for the family that computer is arranged, can submit own home's energy information to, simultaneously own home's electricity charge are paid and pre-payed, do not need the electric power personnel to table look-up, pay the fees conveniently by the Internet bank; For the family that does not have computer, can supplement with money and pay tariff in advance by IC-card, can take the different schemes of paying the fees to different families.Power department is set up a database by server, all users' energy information is noted, so that carry out analysis and decision later on.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 connects block diagram for the utility model system.
Embodiment
A kind of intelligent energy monitor system, comprise voltage transformer (VT), current transformer, described voltage transformer (VT), current transformer connect A/D chip and electric energy computation chip respectively, described A/D chip, electric energy computation chip connect DSP, DSP is connected with LCD, IC radio frequency chip, described DSP is connected with PC by the RS-485 bus, and described PC is connected with server by network.
Embodiment:
This utility model mainly is made of two aspects, is respectively intelligent electric meter hardware system and software systems and constitutes.Hardware system is mainly by DSP, voltage transformer (VT), and current transformer, electric energy computation chip ATT7022B, three-phase electric energy A/D chip AD7656, the RS-485 bus, LCD, the IC radio frequency chip, the PC host computer, the power department server is formed.
Voltage transformer (VT), current transformer: the big big electric current of voltage in the electrical network is converted into small voltage, little electric current.
Electric energy A/D chip AD7656: small voltage and little electric current are carried out the A/D collection.
Electric energy computation chip ATT7022B: with line voltage, electric current, meritorious/reactive power, meritorious/idle total electric weight, power factor (PF) etc. are converted into pulse output.
DSP: master controller.
LCD: the form of each parameter of electrical network with numeral shown.
IC radio frequency chip RC522: read the information in the IC-card.
The RS-485 bus: with the electrical quantity information uploading to the household PC host computer.
PC: display interface, the information and the quality of power supply of demonstration family expenses ammeter.
Power department server: family expenses are put parameter and quality of power supply information stores.
As shown in Figure 1: voltage transformer (VT) one termination line voltage, the other end meet electric energy computation chip ATT7022B and electric energy A/D chip AD7656 respectively.Current transformer one termination electrical network, the other end meets electric energy computation chip ATT7022B and electric energy A/D chip AD7656 respectively, the electric energy computation chip ATT7022B and the electric energy A/D chip AD7656 other end all connect DSP, LCD, IC radio frequency chip RC522, RS-485 all are connected on the DSP, RS-485 is connected on above the PC, the PC access network is connected with the server communication.
Three-phase voltage, electric current are converted into small signal, current signal through mutual inductor and by electric energy computation chip ATT7022B its conversion are output as different pulses then, and pulse has active power, reactive power, frequency, voltage effective value, current effective value, applied power, power factor (PF) etc.By DSP it is shown on LCD then, be uploaded to the family of PC at last by RS-485, on the PC host computer, show each parameter, by network it is passed on power office's server then, carrying out electric energy by e-bank then pays the fees, also can pay the fees in advance on the net, power department passes to electric weight in the user PC host computer by network, pass through RS-485 bus download message then in intelligent electric energy meter, and power department can have the correlation parameters such as the quality of power supply of the network family at set intervals by server monitoring, can understand peripheral electric energy situation then, if power department has relevant information (such as having a power failure), intelligent can be pointed out user's PC by network.Can pay the fees by IC-card for the family that does not have PC, how much control electric weight by the electricity charge in the IC-card, parameters such as own home's energy information have been write down in the IC-card, correlation parameter can be submitted to power department when dashing card, power department can be analyzed the associated electrical force parameter at set intervals, extracts relevant information.Three-phase electric energy A/D chip is used for gathering voltage and current signal, in the PC host computer, show family expenses quality of power supply information, be equivalent to a virtual power quality analyzer, power department fixes the peripheral quality of power supply by energy information at this moment and whether meets national standard.
The utility model intelligence energy monitor system joins together intelligent electric meter and internet, arrives the purpose of intelligence.Do not need the electric power personnel to check meter, have the user of network not need bank to pay the fees, make things convenient for user and power department.Factory and family can arrive power department by network-feedback with the quality of power supply information of family, make power department can monitor electrical network in real time.

Claims (4)

1. intelligent energy monitor system, comprise voltage transformer (VT), current transformer, it is characterized in that: described voltage transformer (VT), current transformer connect A/D chip and electric energy computation chip respectively, described A/D chip, electric energy computation chip connect controller, controller is connected with LCD, IC radio frequency chip, described controller is connected with PC, and described PC is connected with server.
2. according to the described a kind of intelligent energy monitor of claim 1 system, it is characterized in that: controller is connected with PC by the RS-485 bus.
3. according to the described a kind of intelligent energy monitor of claim 1 system, it is characterized in that: described PC is connected with server by network.
4. according to claim 1 or 2 described a kind of intelligent energy monitor systems, it is characterized in that: described controller adopts DSP.
CN2011201283599U 2011-04-27 2011-04-27 Intelligent electrical energy monitoring system CN202003448U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201283599U CN202003448U (en) 2011-04-27 2011-04-27 Intelligent electrical energy monitoring system

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Application Number Priority Date Filing Date Title
CN2011201283599U CN202003448U (en) 2011-04-27 2011-04-27 Intelligent electrical energy monitoring system

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CN202003448U true CN202003448U (en) 2011-10-05

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102692901A (en) * 2012-05-15 2012-09-26 辽宁省电力有限公司抚顺供电公司 Family network system of electric energy meter and control method thereof
CN103197179A (en) * 2013-03-26 2013-07-10 国家电网公司 Power quality detecting terminal used for power grids
CN103280025A (en) * 2013-05-10 2013-09-04 浙江恒业电子有限公司 Single-phase local charge control electric energy meter
CN103424636A (en) * 2012-05-15 2013-12-04 苏州工业园区新宏博通讯科技有限公司 Multi-functional alternating-current and direct-current electric energy collection terminal
CN103454490A (en) * 2012-05-28 2013-12-18 湖南省电力公司科学研究院 Intelligent metering system and intelligent metering method on basis of Blackman-harris window spectrum correction
CN103454491A (en) * 2013-08-15 2013-12-18 江苏科技大学 Intelligent electric meter and power quality detection method
CN104062495A (en) * 2014-07-03 2014-09-24 国家电网公司 Touch type electric energy data test recorder
CN104158285A (en) * 2013-05-16 2014-11-19 北京中科泛美科技有限公司 Power consumption monitoring system for power consumption terminal
CN104251933A (en) * 2013-06-26 2014-12-31 成都新方洲信息技术有限公司 Novel intelligent electric energy meter
CN105092959A (en) * 2015-08-26 2015-11-25 深圳酷宅科技有限公司 Intelligent power meter and power measuring system
CN105301350A (en) * 2015-11-26 2016-02-03 电子科技大学中山学院 Electric energy metering subsystem employing zigbee wireless sensing network
CN105373968A (en) * 2015-11-23 2016-03-02 国家电网公司 Intelligent electric energy acquisition system

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102692901A (en) * 2012-05-15 2012-09-26 辽宁省电力有限公司抚顺供电公司 Family network system of electric energy meter and control method thereof
CN103424636A (en) * 2012-05-15 2013-12-04 苏州工业园区新宏博通讯科技有限公司 Multi-functional alternating-current and direct-current electric energy collection terminal
CN103454490A (en) * 2012-05-28 2013-12-18 湖南省电力公司科学研究院 Intelligent metering system and intelligent metering method on basis of Blackman-harris window spectrum correction
CN103197179A (en) * 2013-03-26 2013-07-10 国家电网公司 Power quality detecting terminal used for power grids
CN103280025A (en) * 2013-05-10 2013-09-04 浙江恒业电子有限公司 Single-phase local charge control electric energy meter
CN104158285A (en) * 2013-05-16 2014-11-19 北京中科泛美科技有限公司 Power consumption monitoring system for power consumption terminal
CN104251933A (en) * 2013-06-26 2014-12-31 成都新方洲信息技术有限公司 Novel intelligent electric energy meter
CN103454491A (en) * 2013-08-15 2013-12-18 江苏科技大学 Intelligent electric meter and power quality detection method
CN103454491B (en) * 2013-08-15 2015-11-25 江苏科技大学 Intelligent electric meter and power quality detection method
CN104062495A (en) * 2014-07-03 2014-09-24 国家电网公司 Touch type electric energy data test recorder
CN105092959A (en) * 2015-08-26 2015-11-25 深圳酷宅科技有限公司 Intelligent power meter and power measuring system
CN105373968A (en) * 2015-11-23 2016-03-02 国家电网公司 Intelligent electric energy acquisition system
CN105301350A (en) * 2015-11-26 2016-02-03 电子科技大学中山学院 Electric energy metering subsystem employing zigbee wireless sensing network

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20111005

Termination date: 20120427

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