CN207650261U - A kind of new distribution network data acquisition terminal - Google Patents

A kind of new distribution network data acquisition terminal Download PDF

Info

Publication number
CN207650261U
CN207650261U CN201721908814.0U CN201721908814U CN207650261U CN 207650261 U CN207650261 U CN 207650261U CN 201721908814 U CN201721908814 U CN 201721908814U CN 207650261 U CN207650261 U CN 207650261U
Authority
CN
China
Prior art keywords
module
distribution network
electric energy
power
data acquisition
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.)
Active
Application number
CN201721908814.0U
Other languages
Chinese (zh)
Inventor
宋艳
杨成钢
钱江
王笑棠
徐璟
傅颖
吕春美
赵建文
杨劭炜
金华芳
叶巨伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Lishui Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201721908814.0U priority Critical patent/CN207650261U/en
Application granted granted Critical
Publication of CN207650261U publication Critical patent/CN207650261U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of new distribution network data acquisition terminals.It includes master control borad, data acquisition board and substrate, master control borad is equipped with main control module, GPRS module, serial port module, memory module, alarm module, human-computer interaction module and the on off state Acquisition Circuit for detecting panel switches state, data acquisition board is equipped with electric energy meter module, substrate is equipped with power module and AC signal conversion circuit, main control module respectively with GPRS module, serial port module, memory module, alarm module, human-computer interaction module and the electrical connection of on off state Acquisition Circuit, main control module is electrically connected by serial port module with electric energy meter module, electric energy meter module is electrically connected with AC signal conversion circuit.The utility model realizes the real-time monitoring to parameters of electric power such as voltage, electric current, power, power factors, and acquisition on off state provides data basis and science decision foundation by data and feedback of status to main website for distribution network planning, design, O&M and marketing.

Description

A kind of new distribution network data acquisition terminal
Technical field
The utility model is related to power distribution network data monitoring technical field more particularly to a kind of acquisitions of new distribution network data eventually End.
Background technology
Power distribution network is the electric system secondary side directly network that is connected for user with low pressure, power distribution network is also power generation, transmit electricity, The last one link of power transformation, distribution, is that consequence is seized of in Automation of Electric Systems.There are two types of power distribution networks, city Power distribution network and Rural Power Distribution Network, two kinds of networks are all flexible by multipath power supply, the method for operation, therefore power distribution network is also complicated more Become, power distribution network is mostly tree, and overhead transmission line accounts for the overwhelming majority, and reliability is poor, and accident rate is more, such as distribution transformer symbol The distribution transformer that equipment damage, threephase load caused by closing serious overload effectively cause damages, the long-term light load fortune of power distribution network Waste problem caused by row, it is therefore desirable to reinforce the management and application of intelligent distribution network.
Invention content
The utility model to solve the above-mentioned problems, provides a kind of new distribution network data acquisition terminal, realizes Real-time monitoring to parameters of electric power such as voltage, electric current, power, power factors acquires on off state, has wireless communication technique, By data and feedback of status to main website, for distribution network planning, design, O&M and marketing provide data basis and science decision according to According to.
To solve the above-mentioned problems, the utility model is achieved using following technical scheme:
A kind of new distribution network data acquisition terminal of the utility model, including master control borad, data acquisition board and substrate, institute It states master control borad and is equipped with main control module, GPRS module, serial port module, memory module, alarm module, human-computer interaction module and inspection It is measured the on off state Acquisition Circuit for establishing off status by cable, the data acquisition board is equipped with electric energy meter module, is set on the substrate There are power module and AC signal conversion circuit, the power module is for being converted to directly the alternating voltage inputted from power distribution network Galvanic electricity pressure is powered to master control borad, data acquisition board and substrate, and the AC signal conversion circuit is used for the forceful electric power on power distribution network Signal is converted to weak electric signal and provides sampled signal for electric energy meter module, the main control module respectively with GPRS module, serial ports mould Block, memory module, alarm module, human-computer interaction module and the electrical connection of on off state Acquisition Circuit, the main control module pass through string Mouth mold block is electrically connected with electric energy meter module, and the electric energy meter module is electrically connected with AC signal conversion circuit.
In the technical scheme, the input terminal of the power module on substrate is connect with power distribution network, and power module will be from distribution The alternating voltage of net input is converted to DC voltage and powers to master control borad, data acquisition board and substrate.
AC signal conversion circuit is used to the forceful electric power signal on power distribution network being converted to weak electric signal, is carried for electric energy meter module For sampled signal(Electric current and voltage), electric energy meter module detection sampled signal calculates voltage, electric current, power, the work(of power distribution network The parameters of electric power such as rate factor, and the data of detection are sent to main control module, realize the function of detection distribution network voltage, electric current.
Main control module receives the gathered data that electric energy meter module is sent, and carries out analysis calculating, obtains ASSOCIATE STATISTICS as a result, working as There is exception information alarm module to alarm, while relevant information, data are stored in memory module.Main control module passes through The abnormal conditions of the gathered data of electric energy meter module, the result that own analysis calculates and monitoring are sent to main website by GPRS module. Main control module can receive the information of main website.On off state Acquisition Circuit is in "on" position for detecting panel switches and still opens Lock state.
The utility model realizes that the isolation between forceful electric power and light current, forceful electric power are only present in substrate sum number using three layer circuit boards It according on collection plate, will not be contacted with master control borad, protect the safety of electronic device on master control borad.
Preferably, the human-computer interaction module includes display screen, LED light and button, the main control module difference It is electrically connected with display screen, LED light and button.
Preferably, the main control module is carried out wireless communication by GPRS module and main website.
Preferably, the ON-OFF control circuit for closing a floodgate/opening a sluice gate for controlling panel switches is additionally provided on the substrate, it is described ON-OFF control circuit is electrically connected with main control module.
Preferably, the electric energy meter module includes ATT7022B electric energy computation chips and STC12C5412 microcontrollers, institute It states ATT7022B electric energy computation chips to be electrically connected with AC signal conversion circuit, the ATT7022B electric energy computation chips pass through SPI interface and STC12C5412 monolithic mechatronics, the main control module are electromechanical by serial port module and STC12C5412 monolithics Connection.
Preferably, the power module includes AC-DC conversion module, DC-DC conversion modules and LDO modules, the AC- The input terminal of DC conversion modules is electrically connected with three-phase alternating current, output end and the DC-DC conversion modules of the AC-DC conversion module The input terminal electrical connection of input terminal, LDO modules, the voltage that the AC-DC conversion module exports are powered to substrate, DC-DC conversions The voltage that module exports is powered to data acquisition board, and the voltage that LDO modules export is powered to master control borad.
Preferably, accumulator is additionally provided on the master control borad, the output of the accumulator and main control module, LDO modules End electrical connection.When power module failure, accumulator is powered to main control module, and main control module sends power supply event by GPRS module Hinder information to main website, notice main website on-call maintenance.
The utility model has the beneficial effects that:Realize the reality to parameters of electric power such as voltage, electric current, power, power factors When monitor, acquire and control on off state, there is wireless communication technique, be distribution network planning by data and feedback of status to main website It draws, design, O&M and marketing provide data basis and science decision foundation.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the utility model;
Fig. 2 is a kind of circuit theory connection block diagram of the utility model.
In figure:1, master control borad, 2, data acquisition board, 3, substrate, 4, main control module, 5, GPRS module, 6, serial port module, 7, Memory module, 8, alarm module, 9, human-computer interaction module, 10, on off state Acquisition Circuit, 11, electric energy meter module, 12, power supply Module, 13, AC signal conversion circuit, 14, display screen, 15, LED light, 16, button, 17, main website, 18, switch control electricity Road.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment:A kind of new distribution network data acquisition terminal of the present embodiment, as shown in Figure 1 and Figure 2, including master control borad 1, data acquisition board 2 and substrate 3, master control borad 1 are equipped with main control module 4, GPRS module 5, serial port module 6, memory module 7, report Module 8, human-computer interaction module 9 and the on off state Acquisition Circuit 10 for detecting panel switches state are warned, is set in data acquisition board 2 Have an electric energy meter module 11, substrate 3 is equipped with power module 12 and AC signal conversion circuit 13, power module 12 for will from The alternating voltage of power grid input is converted to DC voltage and powers to master control borad 1, data acquisition board 2 and substrate 3, AC signal conversion It is that electric energy meter module 11 provides sampled signal, master control mould that circuit 13, which is used to the forceful electric power signal on power distribution network being converted to weak electric signal, Block 4 is acquired with GPRS module 5, serial port module 6, memory module 7, alarm module 8, human-computer interaction module 9 and on off state respectively Circuit 10 is electrically connected, and main control module 4 is electrically connected by serial port module 6 with electric energy meter module 11, and electric energy meter module 11 is believed with exchanging Number conversion circuit 13 is electrically connected, and main control module 4 is carried out wireless communication by GPRS module 5 and main website 17.
The input terminal of power module on substrate is connect with power distribution network, the alternating voltage that power module will be inputted from power distribution network DC voltage is converted to power to master control borad, data acquisition board and substrate.
AC signal conversion circuit is used to the forceful electric power signal on power distribution network being converted to weak electric signal, is carried for electric energy meter module For sampled signal(Electric current and voltage), electric energy meter module detection sampled signal calculates voltage, electric current, power, the work(of power distribution network The parameters of electric power such as rate factor, and the data of detection are sent to main control module, realize the function of detection distribution network voltage, electric current.
Main control module receives the gathered data that electric energy meter module is sent, and carries out analysis calculating, obtains ASSOCIATE STATISTICS as a result, working as There is exception information alarm module to alarm, while relevant information, data are stored in memory module.Main control module passes through The abnormal conditions of the gathered data of electric energy meter module, the result that own analysis calculates and monitoring are sent to main website by GPRS module. Main control module can receive the information of main website.On off state Acquisition Circuit is in "on" position for detecting panel switches and still opens Lock state.
The utility model realizes that the isolation between forceful electric power and light current, forceful electric power are only present in substrate sum number using three layer circuit boards It according on collection plate, will not be contacted with master control borad, protect the safety of electronic device on master control borad.
Main control module uses AT91SAM7S256 chips.Memory module uses the storage of RAMTRON companies FM3116 models Device.
Human-computer interaction module 9 include display screen 14, LED light 15 and button 16, main control module 4 respectively with display screen 14, LED light 15 and button 16 are electrically connected.
The ON-OFF control circuit 18 for closing a floodgate/opening a sluice gate for controlling panel switches, ON-OFF control circuit 18 are additionally provided on substrate 3 It is electrically connected with main control module 4.
Electric energy meter module 11 includes ATT7022B electric energy computation chips and STC12C5412 microcontrollers, ATT7022B electric energy meters Amount chip is electrically connected with AC signal conversion circuit 13, and ATT7022B electric energy computation chips pass through SPI interface and STC12C5412 Monolithic mechatronics, main control module 4 pass through serial port module and STC12C5412 monolithic mechatronics.
Power module 12 include AC-DC conversion module, DC-DC conversion modules and LDO modules, AC-DC conversion module it is defeated Enter end to be electrically connected with three-phase alternating current, the output end of AC-DC conversion module and the input terminal of DC-DC conversion modules, LDO modules it is defeated Enter end electrical connection, the voltage that AC-DC conversion module exports is powered to substrate, and the voltage that DC-DC conversion modules export is adopted to data Collect plate power supply, the voltage that LDO modules export is powered to master control borad.
Accumulator is additionally provided on master control borad 1, accumulator is electrically connected with the output end of main control module, LDO modules.When power supply mould When block failure, accumulator is powered to main control module, and main control module sends power failure information to main website, notice by GPRS module Main website on-call maintenance.

Claims (5)

1. a kind of new distribution network data acquisition terminal, which is characterized in that including master control borad(1), data acquisition board(2)And substrate (3), the master control borad(1)It is equipped with main control module(4), GPRS module(5), serial port module(6), memory module(7), alarm mould Block(8), human-computer interaction module(9)And the on off state Acquisition Circuit of detection panel switches state(10), the data acquisition Plate(2)It is equipped with electric energy meter module(11), the substrate(3)It is equipped with power module(12)With AC signal conversion circuit (13), the power module(12)For the alternating voltage inputted from power distribution network to be converted to DC voltage to master control borad(1), number According to collection plate(2)And substrate(3)Power supply, the AC signal conversion circuit(13)For the forceful electric power signal on power distribution network to be converted It is electric energy meter module for weak electric signal(11)Sampled signal, the main control module are provided(4)Respectively with GPRS module(5), serial ports Module(6), memory module(7), alarm module(8), human-computer interaction module(9)With on off state Acquisition Circuit(10)Electrical connection, The main control module(4)Pass through serial port module(6)With electric energy meter module(11)Electrical connection, the electric energy meter module(11)With exchange Signaling conversion circuit(13)Electrical connection.
2. a kind of new distribution network data acquisition terminal according to claim 1, which is characterized in that the human-computer interaction mould Block(9)Including display screen(14), LED light(15)And button(16), the main control module(4)Respectively with display screen(14)、 LED light(15)And button(16)Electrical connection.
3. a kind of new distribution network data acquisition terminal according to claim 1, which is characterized in that the substrate(3)On It is additionally provided with the ON-OFF control circuit for closing a floodgate/opening a sluice gate for controlling panel switches(18), the ON-OFF control circuit(18)With master control Module(4)Electrical connection.
4. a kind of new distribution network data acquisition terminal according to claim 1, which is characterized in that the electric energy meter module (11)Including ATT7022B electric energy computation chips and STC12C5412 microcontrollers, the ATT7022B electric energy computation chips with exchange Signaling conversion circuit(13)Electrical connection, the ATT7022B electric energy computation chips pass through SPI interface and STC12C5412 microcontrollers Electrical connection, the main control module(4)Pass through serial port module(6)With STC12C5412 monolithic mechatronics.
5. a kind of new distribution network data acquisition terminal according to claim 1, which is characterized in that the power module (12)Including AC-DC conversion module, DC-DC conversion modules and LDO modules, the input terminal and three-phase of the AC-DC conversion module Exchange electrical connection, the output end of the AC-DC conversion module and the input terminal of DC-DC conversion modules, the input terminal electricity of LDO modules Connection, the voltage that the AC-DC conversion module exports are powered to substrate, and the voltage that DC-DC conversion modules export is acquired to data Plate is powered, and the voltage that LDO modules export is powered to master control borad.
CN201721908814.0U 2017-12-29 2017-12-29 A kind of new distribution network data acquisition terminal Active CN207650261U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721908814.0U CN207650261U (en) 2017-12-29 2017-12-29 A kind of new distribution network data acquisition terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721908814.0U CN207650261U (en) 2017-12-29 2017-12-29 A kind of new distribution network data acquisition terminal

Publications (1)

Publication Number Publication Date
CN207650261U true CN207650261U (en) 2018-07-24

Family

ID=62876623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721908814.0U Active CN207650261U (en) 2017-12-29 2017-12-29 A kind of new distribution network data acquisition terminal

Country Status (1)

Country Link
CN (1) CN207650261U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108333961A (en) * 2017-12-29 2018-07-27 国网浙江省电力公司丽水供电公司 A kind of new distribution network data acquisition terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108333961A (en) * 2017-12-29 2018-07-27 国网浙江省电力公司丽水供电公司 A kind of new distribution network data acquisition terminal

Similar Documents

Publication Publication Date Title
CN201234165Y (en) Automatic control apparatus for power distribution system
CN201117610Y (en) Intelligent circuit breaker
CN202103478U (en) Comprehensive intelligent distribution box
CN103545926B (en) A kind of distributed power source grid connection interface device
CN202353309U (en) AC-DC (alternating current-direct current) integrated power supply system and DC power cabinet
CN101873010A (en) Intelligent monitoring terminal of electric distribution system
CN204758748U (en) Cubical switchboard intelligent integrated monitoring devices
CN101237157A (en) Contact type energy-saving high-frequency switch DC power system
CN201466539U (en) Remote automation control high pressure measuring syntheses power distribution device
CN101237156B (en) Realization method for wall-hang energy-saving high-frequency switch DC power system
CN102545388B (en) A kind of Intelligent controller of permanent magnet mechanism breaker
CN207650261U (en) A kind of new distribution network data acquisition terminal
CN203339659U (en) Single-phase electric leakage protection and power supply automation recovery device
CN202351676U (en) Energy consumption metering and production safety monitoring system
CN206932066U (en) A kind of intelligent FTU equipment
CN201742167U (en) Intelligent monitoring terminal of power distribution system
CN201430550Y (en) Solar energy current converging equipment
CN206640393U (en) A kind of intelligent integrated power distribution box
CN203537070U (en) Distributed power supply grid connection interface device
CN108333961A (en) A kind of new distribution network data acquisition terminal
CN202906572U (en) Intelligent controller of permanent magnet mechanism breaker
CN202524166U (en) On-line monitoring and protection device used in feeder automation system
CN204290503U (en) Integral intelligent AC power case
CN206041636U (en) Synthesize distribution remote intelligent monitoring system
CN202978436U (en) Remote automatic control system applied to distribution circuit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant