CN206922508U - Universal rural power grids intelligence distribution transformer terminals - Google Patents

Universal rural power grids intelligence distribution transformer terminals Download PDF

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Publication number
CN206922508U
CN206922508U CN201720780881.2U CN201720780881U CN206922508U CN 206922508 U CN206922508 U CN 206922508U CN 201720780881 U CN201720780881 U CN 201720780881U CN 206922508 U CN206922508 U CN 206922508U
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China
Prior art keywords
distribution transformer
unit
universal
host cpu
terminal
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Active
Application number
CN201720780881.2U
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Chinese (zh)
Inventor
王明伟
刘灿东
王栋
刘以军
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SHANDONG TAIKAI ELECTRIC AUTOMATION CO Ltd
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SHANDONG TAIKAI ELECTRIC AUTOMATION CO Ltd
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Priority to CN201720780881.2U priority Critical patent/CN206922508U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/40Display of information, e.g. of data or controls
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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

It the utility model is related to distribution transformer terminals, more particularly, to a kind of universal rural power grids intelligence distribution transformer terminals, the terminal includes host CPU and display unit, bus board, remote signal unit, power subsystem, distribution transforming detection unit, dynamic passive compensation unit, RCU and GPRS wireless communication units, pass through remote signal unit acquisition state amount, distribution transformer monitoring unit collection alternating voltage, current signal, RCU control circuit-breaker switching on-off operation, the acquisition mode of each functional unit parameter is relatively independent, terminal using flexible.The terminal is the distribution transformer suitable for AC380V voltage class, to meet the intelligentized needs of primary equipment in power network, have the characteristics that measurement accuracy is high, full-featured, system is stable, is suitable for various working environments again, for a new approach providing of intellectuality for distribution transformer.

Description

Universal rural power grids intelligence distribution transformer terminals
Technical field
Distribution transformer terminals are the utility model is related to, more particularly, to a kind of universal rural power grids intelligence distribution transformer terminals.
Background technology
Intellectualized reconstruction and technology upgrading with national power distribution network, carry out energetically in urban power distribution network, cell power distribution network Since, upgrade of rural power grids work is promoted in Zhejiang Province, Jiangsu Province successively, Shandong Province has also carried out changing for rural power grids within 2015 Make work.Rural power grids distribution core is that low-voltage comprehensive distribution box is JP cabinets, the universal rural power grids intelligence distribution transforming described in this patent Terminal is then the core cell of JP cabinets.In the market existing distribution transformer terminals there is measurement accuracy it is low, can not be by local number According to be uploaded to backstage main website, can not automatic switching capacitor, can not be worked under -40 DEG C of environment the problems such as, how to make terminal i.e. Suitable for distribution transformer, to meet the intelligentized needs of primary equipment in power network, have again measurement accuracy it is high, it is full-featured, System is stable, is suitable for the features such as various working environments, therefore, for a new way providing of intellectuality for distribution transformer Footpath.
Intelligent distribution transformer terminals are to distribution transformer, disengaging wiretap, RCD, intelligent electric energy meter etc. Operation information is acquired the equipment being collected with user power utilization information.
The content of the invention
In order to solve the above technical problems, the parameters of distribution transformer are monitored in real time, universal rural power grids intelligence Distribution transformer terminals, the terminal include host CPU and display unit(7), bus board(8), remote signal unit(1), power subsystem(2), match somebody with somebody Become monitoring unit(3), dynamic passive compensation unit(4), RCU(5)With GPRS wireless communication units(6), the bus board (8)Terminal inner is fixedly mounted on, is made up of six group of 64 needle connector and two groups of double contact pins, bus board(8)It is double by two groups Socket pin and host CPU and display unit(7)Input connection, remote signal unit(1), power subsystem(2), distribution transformer monitoring unit (3), dynamic passive compensation unit(4), RCU(5)With GPRS wireless communication units(6)Pass through bus board(8)64 pins connect Connect device and host CPU and display unit(7)Connection, remote signal unit(1)For gathering the on-off state signal of breaker;Power supply list Member(2)Power supply is provided for terminal;Distribution transformer monitoring unit(3)Ac current signal and alternating voltage for measuring transformer inlet wire Signal;Dynamic passive compensation unit(4)For the analysis result switched capacitor according to host CPU and display unit;RCU (5)For controlling the breaking-closing operating of breaker;GPRS wireless communication units(6)For realizing GPRS communications and ether Netcom Letter, local signal is uploaded to main website and carries out data statistics and analysis;Host CPU and display unit(7)For handling remote signal unit (1)With distribution transformer monitoring unit(3)The signal of collection, passes through RCU(5)Respective circuit breakers division operation is controlled, is controlled simultaneously Useful information in terminal is uploaded to main website and the important letter for paying close attention to user by GPRS wireless communication units by GPRS public networks Breath is shown by display unit.
Further, the remote signal unit(1)For active anti-surge circuit, while remote signal unit built-in power carrier wave mould Block, communicated using power carrier;Remote signal unit(1)Quantity of state collection isolated from direct current optocoupler TLP127, It can be applied to the voltage occasion of the active remote signalling amount inputs of+24V.
Further, the power subsystem(2)Using three-phase four-wire system input power, output+5V, ± 12V ,+24V are for system System uses.
Further, the distribution transformer monitoring unit(3)From advanced high-precision three-phase electric energy the special metering IC ATT7022E is carried out after calculating various electric fluxs, and result is sent into host CPU and display unit(7).
Further, the dynamic passive compensation unit(4)+ 12V power supplys are exported by optocoupler and are used for switched capacitor.
Further, the RCU(5)By the relay driving external electrical for possessing Large Copacity node 250V/5A Loop.
Further, the GPRS wireless communication units(6)With ethernet communication all the way, all the way GPRS public networks communication work( Can, the result that host CPU handle by public network is walked SIM card system main website progress statistical is uploaded in a manner of radio communication Analysis, while the integrated Ethernet interface all the way of the unit.
Further, the host CPU using STM32F407IGT6 chips to it is upper, carry out various communications to lower, select FreeRTOS real time operating systems;The display unit selects Xin Ruida low temperature liquid crystal screens.
Further, the terminal is installed in JP cabinets.
The beneficial effects of the utility model are:The utility model provides a kind of universal rural power grids intelligence distribution transformer terminals, leads to Cross remote signal unit acquisition state amount, distribution transformer monitoring unit collection alternating voltage, current signal, RCU control breaker division Lock operates, and the acquisition mode of each functional unit parameter is relatively independent, terminal using flexible.The terminal is applied to AC380V voltages The distribution transformer of grade, to meet the intelligentized needs of primary equipment in power network, again have measurement accuracy it is high, it is full-featured, System is stable, is suitable for the features such as various working environments, for a new approach providing of intellectuality for distribution transformer.
Brief description of the drawings
Fig. 1 is the utility model terminal connection diagram;
Fig. 2 and Fig. 3 is the utility model terminal structure schematic diagram;
As shown in Figure 1, Figure 2 and Figure 3, remote signal unit 1, power subsystem 2, distribution transformer monitoring unit 3, dynamic passive compensation unit 4, RCU 5, GPRS wireless communication units 6, host CPU and display unit 7, bus board 8, JP cabinets 9.
Embodiment
As shown in Fig. 1 ~ 3, the utility model is universal rural power grids intelligence distribution transformer terminals, and the terminal is installed in JP cabinets 9, institute Stating terminal includes host CPU and display unit 7, bus board 8, remote signal unit 1, power subsystem 2, distribution transformer monitoring unit 3, dynamic reactive Compensating unit 4, RCU 5 and GPRS wireless communication units 6, the bus board 8 welds and terminal inner, is connected by six group of 64 pin Device and two groups of double contact pin compositions are connect, bus board 8 is connected by two groups of double contact pins with the input of host CPU and display unit 7, Remote signal unit 1, power subsystem 2, distribution transformer monitoring unit 3, dynamic passive compensation unit 4, RCU 5 and GPRS radio communication lists Member 6 is connected by bus board 8 with host CPU and display unit 7, and the remote signal unit 1 is active anti-surge circuit, disconnected for gathering The on-off state signal of road device, anti-lightning ability of the terminal in different application occasion is greatly improved, while in remote signal unit Power line carrier module is put, is communicated using power carrier;Direct current optocoupler TLP127 is selected in the quantity of state collection of remote signal unit 1 Isolated, can be applied to the voltage occasion of the active remote signalling amount inputs of+24V;
Power subsystem 2 provides power supply for terminal, and using three-phase four-wire system input power, output+5V, ± 12V ,+24V are for system System uses;
Distribution transformer monitoring unit 3 from advanced high-precision three-phase electric energy the special metering IC ATT7022E calculate various After electric flux, result is sent to host CPU and display unit(7), alternating current, exchange for measuring transformer inlet wire The signals such as voltage, the measurement accuracy of alternating voltage, ac flow is set to be up to 0.2% in the measurement range of agreement;
Dynamic passive compensation unit 4 is used for the analysis result switched capacitor according to host CPU and display unit, passes through optocoupler Output+12V power supplys are used for switched capacitor;
RCU 5 is by possessing Large Copacity node(250V/5A)Relay driving external electrical loop, for controlling The breaking-closing operating of breaker;
GPRS wireless communication units 6 have ethernet communication, all the way GPRS public networks communication function all the way, can meet rural power grids intelligence The communication requirement of energy distribution transformer terminals different application occasion;Result that public network handles host CPU is walked with radio communication by SIM card Mode is uploaded to system main website and carries out statistical analysis, while the integrated Ethernet interface all the way of the unit, for realize GPRS communications and Ethernet communication, local signal is uploaded to main website and carries out data statistics and analysis;
Host CPU and display unit 7 are used to handle the signal that remote signal unit 1 and distribution transformer monitoring unit 3 gather, single by being remotely controlled Member 5 controls respective circuit breakers division operation, while controls GPRS wireless communication units that the useful information in terminal is passed through into GPRS The important information that public network is uploaded to main website and pays close attention to user is shown by display unit.The host CPU uses STM32F407IGT6 chips to it is upper, carry out various communications to lower, from FreeRTOS real time operating systems;The display unit selects With Xin Ruida low temperature liquid crystal screens, can under -45 DEG C of condition of ultralow temperature normal work, disclosure satisfy that rural power grids intelligence distribution transformer terminals pole Hold the wide temperature job requirement of -45 DEG C -+70 DEG C of application scenario.
During terminal operating, the three-phase four-wire system power supply in low-voltage comprehensive distribution box is powered by power subsystem 2 for terminal;Eventually End gathers the division position state of each breaker by remote signal unit 1;Alternating voltage is gathered by distribution transformer monitoring unit 3, electric current is believed Number, this mode will not change the internal structure of transformer, both ensure that the collection of useful signal, turn avoid directly with once Influence caused by equipment is connected.When the inlet-outlet line of distribution transformer breaks down, terminal can collect abnormal signal, and pass through Remote signal unit 1, distribution transformer monitoring unit 3 proper treatment after be sent to host CPU and display unit 7, host CPU and display unit 7 will The data collected are filtered, analyzed and corresponding failure type is judged after series of algorithms is handled, then by terminal Protection act dynamic passive compensation unit 4 is sent in a manner of CAN communication with each road capacitor of switching or single by being remotely controlled Each circuit breaker breaking-closing operating of the control of member 5.Meanwhile host CPU and display unit 7 will determine that and result is wireless by GPRS Communication unit 6 is uploaded to system main website and counted and data analysis, while real-time data are carried out on low temperature liquid crystal screen It has been shown that, to facilitate user to check and operate.
The utility model provides a kind of universal rural power grids intelligence distribution transformer terminals, terminal merged measurement, control, protection, The multinomial new technology such as communication, computer realizes taiwan area comprehensive automation.It collects remote signal unit, power subsystem, distribution transformer monitoring list The multiple function such as member, dynamic passive compensation unit, RCU, GPRS wireless communication units can realize power network in one Even running, improve the reliability of power supply.By remote signal unit acquisition state amount, alternating current is gathered by distribution transformer monitoring unit Pressure, current signal, circuit-breaker switching on-off is controlled to operate by RCU, the acquisition mode of each functional unit parameter is relatively only It is vertical, terminal using flexible.The terminal is the distribution transformer suitable for AC380V voltage class, to meet primary equipment in power network Intelligentized needs, have the characteristics that measurement accuracy is high, full-featured, system is stable, is suitable for various working environments again, for The new approach that the intellectuality of piezoelectric transformer provides.
It is to be also not limited to the example above, this skill to limitation of the present utility model, the utility model that described above, which is not, The variations, modifications, additions or substitutions that the technical staff in art field is made in essential scope of the present utility model, it should also belong to The scope of protection of the utility model.

Claims (8)

1. universal rural power grids intelligence distribution transformer terminals, it is characterised in that the terminal includes host CPU and display unit(7), bus board (8), remote signal unit(1), power subsystem(2), distribution transformer monitoring unit(3), dynamic passive compensation unit(4), RCU(5)With GPRS wireless communication units(6), the bus board(8)Terminal inner is fixedly mounted on, it is double by six group of 64 needle connector and two groups Socket pin forms, bus board(8)Pass through two groups of double contact pins and host CPU and display unit(7)Input connection, remote signal unit (1), power subsystem(2), distribution transformer monitoring unit(3), dynamic passive compensation unit(4), RCU(5)With GPRS radio communications Unit(6)Pass through bus board(8)64 needle connectors and host CPU and display unit(7)Connection, remote signal unit(1)For gathering The on-off state signal of breaker;Power subsystem(2)Power supply is provided for terminal;Distribution transformer monitoring unit(3)For measuring transformation The ac current signal and ac voltage signal of device inlet wire;Dynamic passive compensation unit(4)For according to host CPU and display unit Analysis result switched capacitor;RCU(5)For controlling the breaking-closing operating of breaker;GPRS wireless communication units (6)For realizing GPRS communications and ethernet communication, local signal is uploaded to main website and carries out data statistics and analysis;Host CPU And display unit(7)For handling remote signal unit(1)With distribution transformer monitoring unit(3)The signal of collection, passes through RCU(5)Control Respective circuit breakers division operation processed, while control GPRS wireless communication units to pass through the useful information in terminal on GPRS public networks The important information for reaching main website and paying close attention to user is shown by display unit.
2. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the remote signal unit(1)To have Source anti-surge circuit, while remote signal unit built-in power carrier module, are communicated using power carrier;Remote signal unit(1) Quantity of state collection isolated from direct current optocoupler TLP127, can be applied to the voltage occasion that the active remote signalling amounts of+24V input.
3. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the power subsystem(2)Using Three-phase four-wire system input power, output+5V, ± 12V ,+24V use for system.
4. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the distribution transformer monitoring unit(3) Carried out from advanced high-precision three-phase electric energy the special metering IC ATT7022E after calculating various electric fluxs, result is passed Deliver to host CPU and display unit(7).
5. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the dynamic passive compensation unit (4)+ 12V power supplys are exported by optocoupler and are used for switched capacitor.
6. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the GPRS wireless communication units (6)With ethernet communication all the way, GPRS public networks communication function all the way, by SIM card walk result that public network handles host CPU with The mode of radio communication is uploaded to system main website and carries out statistical analysis, while the integrated Ethernet interface all the way of the unit.
7. universal rural power grids intelligence distribution transformer terminals as claimed in claim 1, it is characterised in that the host CPU uses STM32F407IGT6 chips to it is upper, carry out various communications to lower, from FreeRTOS real time operating systems;The display unit selects With Xin Ruida low temperature liquid crystal screens.
8. the universal rural power grids intelligence distribution transformer terminals as described in any one in claim 1-7, it is characterised in that the terminal It is installed in JP cabinets.
CN201720780881.2U 2017-06-30 2017-06-30 Universal rural power grids intelligence distribution transformer terminals Active CN206922508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720780881.2U CN206922508U (en) 2017-06-30 2017-06-30 Universal rural power grids intelligence distribution transformer terminals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720780881.2U CN206922508U (en) 2017-06-30 2017-06-30 Universal rural power grids intelligence distribution transformer terminals

Publications (1)

Publication Number Publication Date
CN206922508U true CN206922508U (en) 2018-01-23

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CN201720780881.2U Active CN206922508U (en) 2017-06-30 2017-06-30 Universal rural power grids intelligence distribution transformer terminals

Country Status (1)

Country Link
CN (1) CN206922508U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109599944A (en) * 2018-11-29 2019-04-09 浙江涵普电力科技有限公司 Intelligent distribution transformer terminals
CN110086261A (en) * 2019-06-07 2019-08-02 珠海博威电气股份有限公司 It is a kind of can industrialization feeder line distribution terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109599944A (en) * 2018-11-29 2019-04-09 浙江涵普电力科技有限公司 Intelligent distribution transformer terminals
CN110086261A (en) * 2019-06-07 2019-08-02 珠海博威电气股份有限公司 It is a kind of can industrialization feeder line distribution terminal

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