CN208890481U - Intelligent distribution transformer terminals - Google Patents
Intelligent distribution transformer terminals Download PDFInfo
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- CN208890481U CN208890481U CN201821520007.6U CN201821520007U CN208890481U CN 208890481 U CN208890481 U CN 208890481U CN 201821520007 U CN201821520007 U CN 201821520007U CN 208890481 U CN208890481 U CN 208890481U
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- master control
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S40/124—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 wired telecommunication networks or data transmission busses
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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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a kind of intelligent distribution transformer terminals, it is related to controller switching equipment field, including master control borad and the LED Unit being connected with master control borad, communication module, direct current acquisition module, exchange acquisition module, the switching input module including optocoupler and including the switching value output module of relay, master control borad includes central processing unit and its peripheral circuit；LED Unit includes that the first bus expands device and expands the indicator light that device is connected with the first bus；Communication module includes wire communication module and wireless communication module, and wire communication module includes at least one of RS485, RS232, ethernet communication module；Wireless communication module includes at least one of 4G, WIFI, small wireless communication module；Direct current acquisition module includes the isolated amplifier being connected with master control borad；Exchanging acquisition module includes voltage transformer, current transformer and the 2nd ADC.The lower problem of intelligence degree that exists in the prior art is alleviated, intelligence degree is improved.
Description
Technical field
The utility model relates to controller switching equipment fields, and in particular to a kind of intelligence distribution transformer terminals.
Background technique
Low-voltage network is the important link of smart grid, more next in power distribution station by means of the development of technology of Internet of things
More data and service application are gradually introduced into, and matched data transmission, data storage, data processing,
The pressure of software and hardware resources adaptation is also increasing, this is for the intelligent distribution transformer terminals proposition as low-voltage network important node
Higher requirement, but it is currently widely used the needs that intelligent distribution transformer terminals scheme is no longer satisfied development.
In the prior art, a kind of railway substation Environmental security measure and control device suitable for Line for Passenger Transportation is disclosed,
That application discloses one kind can monitor each transformer in Line for Passenger Transportation in transformer and distribution station oil temperature, copper temperature or busbar voltage,
Load current, and communication plug-in unit is set, host computer can be transmitted a signal to, or receive the measure and control device of the order of host computer,
Shortcoming is incomplete in terms of Intellisense, and interactive action is not smart enough and convenient so as to equipment into
When row monitoring and record, data integrity, timeliness, data editable and treatability are to be improved.The prior art also discloses
A kind of Intelligent platform zone distribution transformer terminals increase the expansibility of equipment using the structure of mother matrix plus function daughter board, although improving
The integration degree of equipment, however still have in the intelligence degree of equipment to be hoisted, in Internet of Things increasingly developed today, have
Necessity promotes the carrying capacity of information, for the information-carrying capacity of low-voltage distribution, it is necessary to carry out distribution transformer terminals using wound
Newly.
To sum up, the existing distribution transformer terminals technical problem lower there are intelligence degree.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of intelligent distribution transformer terminals, to solve to deposit in the prior art
The technical issues of alleviating existing transformer and distribution station interactive action problem not smart enough and convenient, the utility model
It can be improved the intelligence degree of distribution transformer terminals.
In a first aspect, the intelligence distribution transformer terminals include master control the embodiment of the invention provides a kind of intelligent distribution transformer terminals
Plate, LED Unit, communication module, direct current acquisition module, exchange acquisition module, switching input module and output switch parameter mould
Block.LED Unit, communication module, direct current acquisition module, exchange acquisition module, switching input module and switching value output module
It is connected respectively with master control borad.
The master control borad includes central processor core and its peripheral circuit, and the peripheral circuit includes memory, clock
ADC in chip, piece.The memory includes flash memory (flash), magnetic RAM or ferroelectric memory
(Ferromagnetic Random-Access Memory, abbreviation FRAM), static random access memory (Static
Random-Access Memory, abbreviation SRAM), clock chip, ADC in piece.
Direct current acquisition module includes isolated amplifier, and the isolated amplifier is connected by ADC in piece with master control borad.
Exchanging acquisition module includes voltage transformer, current transformer and the 2nd ADC.
Switching value output module includes relay, and control switch amount is turned on and off, and is output to the outside control signal, real
The change operation of existing system.
It includes optocoupler that input module is measured in pass, and the optocoupler is used to convert electric signal for the optical signal of input.
LED Unit includes that the first bus expands device and expands the indicator light that device is connected with the first bus, further,
It is I that first bus, which expands device,2C expands device, passes through I with main controller2C is communicated, extremely by the control signal unidirectional delivery of master control borad
LED Unit, further, indicator light can be multiple.
Communication module includes wire communication module and wireless communication module.
Above-mentioned wire communication module include RS485 bus module, RS232 bus module, ethernet communication module at least
It is a kind of.
Above-mentioned wireless communication module includes at least one of 4G communication module, WIFI communication module, small wireless communication module.
With reference to first aspect, the utility model embodiment provides the first possible embodiment, wherein the intelligence
Distribution transformer terminals further include: the encryption chip being connected with central processor core, encryption chip be used for by communication transmitting data into
Row encryption.
With reference to first aspect, the utility model embodiment provides second of possible embodiment, wherein in order to realize
The expansion of RS485 bus, wire communication module further include that the second bus expands device, and expands device with second bus and be connected
The 2nd RS485 bus module connect, further, it is that UART expands device that the second bus, which expands device,.
With reference to first aspect, the utility model embodiment provides the third possible embodiment, wherein the ether
Net communication module includes the first ethernet transceiver and the second ethernet transceiver, the common ether Netcom for intelligent distribution transformer terminals
Letter provides hardware support.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment, wherein the intelligence
Distribution transformer terminals further include power panel, and the power panel is connected with the master control borad, and the power panel is used to match for the intelligence
Transformer terminals provide operating current.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the five of first aspect
The possible embodiment of kind, wherein the power panel is by being sequentially connected the AC/DC converter connect, the first DC/DC turn
Parallel operation, the second DC-DC converter, specifically, 220V AC rectification is 24V direct current by the AC/DC converter
DC conversion is 12V DC electricity, second DC/DC conversion by electricity, first DC-DC converter by 24V
DC conversion is 5V direct current by device by 12V, and the ac voltage rectifier of three converter collective effect grid sides is direct current
Pressure, then carries out DC/DC conversion, for the intelligent distribution transformer terminals power supply.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the six of first aspect
The possible embodiment of kind, wherein the power panel includes the first power adapter, second source conversion by the power panel
Device, third power adapter, specifically, 220V voltage commutation is 24V DC voltage by first power adapter, described the
220V voltage commutation is 12V DC voltage by two power adapters, and 220V voltage commutation is 5V by the third power adapter
DC voltage, three power adapters work independently from each other the DC voltage that can obtain that voltage value is respectively 24V, 12V, 5V, are
The intelligence distribution transformer terminals power supply.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment, wherein the communication
Module includes SPI interface, the external bandwidth carrier communication module of SPI interface；
The intelligence distribution transformer terminals further include the USB interface being connected with master control borad, and the USB interface for upgrading on the spot
Program.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment, wherein intelligent distribution transforming
Terminal includes backup power supply, and the backup power supply is connected with the master control borad, and the backup power supply is used to work as the power panel
It powers when external mains power failure power loss for master control borad.
With reference to first aspect, the utility model embodiment provides the 9th kind of possible embodiment, wherein the standby
Power supply includes: any one of super capacitor, lead-acid accumulator, solar panel, lithium battery, generator, the standby electricity
Source guarantees the operation of the intelligent distribution transformer terminals to the intelligent distribution transformer terminals output DC current.
The utility model embodiment brings following the utility model has the advantages that the utility model embodiment provides a kind of intelligent distribution transforming
Terminal, comprising: master control borad, LED Unit, communication module, direct current acquisition module, exchange acquisition module, switching input module and
Switching value output module, LED Unit, direct current acquisition module, exchange acquisition module, switching input module and open communication module
Pass amount output module is connected with master control borad respectively；Master control borad includes central processor core and its peripheral circuit；Peripheral electricity
Road includes memory, clock chip, ADC in piece；LED Unit includes that the first bus expands device and expands device phase with the first bus
The indicator light of connection；Communication module includes wire communication module and wireless communication module, and wire communication module includes RS485 bus
Module, RS232 bus module, ethernet communication module at least one；Wireless communication module includes 4G communication module, WIFI logical
Believe module, at least one of small wireless communication module；Direct current acquisition module includes isolated amplifier, and isolated amplifier passes through in piece
ADC is connected with master control borad；Exchanging acquisition module includes voltage transformer and current transformer and the 2nd ADC；On-off signal
Module includes optocoupler；Electric signal is converted by the optical signal of input；Switching value output module includes relay: control switch amount
It is turned on and off, is output to the outside control signal, realize the automatic operating of system.Therefore, the utility model embodiment provides
Technical solution, alleviate the existing distribution transformer terminals technical problem lower there are intelligence degree, can be improved intelligent journey
Degree.In addition, the intelligence distribution transformer terminals also have the advantage that interactionization management, flexible and convenient human-computer interaction, a variety of communication parties
The functions such as formula, security protection realize the informationization of power distribution station, automation and interactive.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of intelligent distribution transformer terminals provided by the embodiment of the utility model；
Fig. 2 is the concrete structure diagram of intelligent distribution transformer terminals provided by the embodiment of the utility model；
Fig. 3 is the first unsteady flow mode schematic diagram of the utility model embodiment power panel；
Fig. 4 is second of unsteady flow mode schematic diagram of the utility model embodiment power panel.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
The current existing distribution transformer terminals technical problem lower there are intelligence degree, is based on this, and the utility model is implemented
A kind of intelligent distribution transformer terminals that example provides, can alleviate and the lower technical problem of intelligence degree exists in the prior art, can
Improve intelligence degree.
It is whole to a kind of intelligence distribution transforming disclosed in the utility model embodiment first for convenient for understanding the present embodiment
End describes in detail.
Embodiment one:
Fig. 1 is the schematic diagram of intelligent distribution transformer terminals provided by the embodiment of the utility model, and Fig. 2 provides for the utility model example
Intelligent distribution transformer terminals concrete structure diagram, specifically, the intelligence distribution transformer terminals include master control borad, LED Unit, communication module,
Direct current acquisition module, exchange acquisition module, switching input module and switching value output module.
In the present embodiment, master control borad includes central processor core and its peripheral circuit, central processor core model
MK64；Peripheral circuit includes memory, clock chip, AD and encryption chip in piece, and memory includes flash memory (flash), magnetic
It is property random access memory or ferroelectric memory (Ferromagnetic Random-Access Memory, abbreviation FRAM), quiet
State random access memory (Static Random-Access Memory, abbreviation SRAM), chip model used in flash are
Chip model used in W25Q12, FRAM is Fm23cl64, and chip model used in SRAM is CY7C1069DV33, encryption chip
Model SC1161, for communication transmitting data to be encrypted).
Above-mentioned peripheral circuit takes different agreements to be led to central processor core respectively from central processor core
Letter, in memory, flash realize that the both-way communication with central processor core, FRAM pass through I by spi bus2C is realized
With the two-way communication of central processor core, SRAM is realized the both-way communication with central processor core by BUS bus, related to
And the other parts to peripheral circuit, clock chip pass through I2C realizes the two-way communication with central processing unit, and encryption chip passes through
Spi bus realizes the two-way communication with central processor core.
In the present embodiment, LED Unit includes that the first bus expands device and expands the instruction that device is connected with the first bus
Lamp, it is I that the first bus, which expands device,2C expands device, passes through I with main controller2C is communicated, and the control signal of master control borad is unidirectionally passed
It is handed to LED Unit, the first bus expands the model PCAL6416 that device is selected.
Further, indicator light can be multiple；Specifically, indicator light is 24, it can be to power supply, operation, WIFI shape
State, GPRS state, over-voltage/under-voltage are alerted.
In the present embodiment, direct current acquisition module includes isolated amplifier, for carrying out to collected d. c. voltage signal
Isolation and amplification, while interference signal is filtered, isolated amplifier is connected by ADC in piece with master control borad, and ADC will in piece
The DC voltage measured is converted into discrete digital signal.
Further, isolated amplifier model AMC1200.
In the present embodiment, exchange acquisition module includes voltage transformer, current transformer and the 2nd ADC, mutual induction of voltage
Device is 4 tunnels, and current transformer is similarly 4 tunnels, can voltage to 4 tunnels and 4 road electric currents be acquired.Voltage transformer and electricity
Current transformer is connected with the 2nd ADC input terminal, converts the voltage value measured and current value to the discrete signal of digital form,
The output end and master control borad of 2nd ADC realize the two-way communication of the 2nd ADC and master control borad by BUS bus, and the 2nd ADC is 8 logical
Road, the model AD7606 of chip.
Switching input module includes optocoupler, converts electric signal for the optical signal of input, while having buffer action, is led to
It crosses GPIO interface and external signal is one-way transmitted to master control borad.
Switching value output module includes relay, is used for composition control route, and control switch amount is turned on and off, outward
Portion's output, realizes the automatic operating of system, is unidirectionally led between switching value output module and master control borad by GPIO interface
Letter, the control signal that master control borad issues can pass through GPIO interface unidirectional delivery to switching value output module.
In the present embodiment, communication module includes wire communication module, wireless communication module, and wire communication module includes
RS485 bus module, RS232 bus module, ethernet communication module at least one；In order to realize the expansion of RS484 bus,
Wire communication module further includes that the second bus expands device and expands the 2nd RS485 bus that device is connected with second bus
Module, ethernet communication module include the first ethernet transceiver and the second ethernet transceiver, the first ethernet transceiver and
Second ethernet transceiver provides hardware support for the ethernet communication of intelligent distribution transformer terminals, and wireless communication module includes 4G logical
Believe module, WIFI communication module, at least one of small wireless communication module.Communication module is also equipped with SPI interface, is used for and width
Band carrier communication module be connected, realize using power line carry out as information transmit medium, by carrier system will simulate or
Digital signal carries out high-speed transfer.
In the wire communication module of the present embodiment, RS485 bus module is realized with master control borad by UART serial ports two-way
UART protocol is converted to RS485 agreement by communication, and the chip of selection is MAX485；RS232 bus module passes through with master control borad
UART serial ports realizes two-way communication, is RS232 agreement by UART protocol conversion, and the chip of selection is MAX232；Second bus is opened up
Opening up device is that UART expands device, realizes two-way communication by BUS bus with master control borad, the chip of selection is ST16C554, right
RS485 bus is expanded, the 2nd RS485 bus module totally 4 tunnels, is expanded device with second and is realized two-way by UART serial ports
Letter, the chip of selection are MAX485.Second expands device and the 2nd RS485 bus module as the RS485 bus of intelligent distribution transformer terminals
Expansion provides hardware support；Device is expanded by RS45 bus module, the total block module of RS232, second and the 2nd RS485 is total
The signal of main controller can be transferred to respectively platform area summary table, intelligent capacitor, inlet wire plastic housing switch, residual current acting and protected by line
Device is protected, and terminal maintenance is carried out by RS485/232 agreement.The chip that first ethernet transceiver is selected is DM9000, is passed through
BUS bus realizes the two-way communication between master control borad, and the chip that the second ethernet transceiver is selected is DP3848, passes through RM11
10/100Mbit/s can be selected in two-way communication between protocol realization and master control borad, Ethernet interface frequency, and the first Ethernet is received
It sends out device and the second ethernet transceiver collective effect realizes Ethernet full-duplex communication, for the ether Netcom of intelligent distribution transformer terminals
Letter provides hardware support.
In the wireless communication module of the present embodiment, 4G communication module select chip be EC20, with pass through UART serial ports
It realizes the two-way communication between master control borad, is furnished with sim card slot, realize the 4G wireless communication of intelligent distribution transformer terminals；Small wireless is logical
Believe that the chip that module is selected is ZM470, by the two-way communication between UART protocol realization and master control borad, WIFI module is selected
Model EMW3162, the two-way communication between master control borad is realized by UART serial ports；Each submodule under wireless module
The common wireless data transmission for intelligent distribution transformer terminals provides hardware support, can want according to distance, the transmission rate of wireless transmission
It asks, the suitable wireless transmission method of network coverage situation selection, improves the wireless transmission capability of intelligent distribution transformer terminals, improve
The ability of the adaptation different-waveband of intelligent distribution transformer terminals, expands application range.
Intelligent distribution transformer terminals include the USB interface for connecting carrier communication module, and USB interface is connected with master control borad, are used
Upgrade on the spot in software.
In order to power to intelligent distribution transformer terminals, intelligent distribution transformer terminals described in the present embodiment include power panel, according to intelligence
Distribution transformer terminals electric elements inside different operating voltage with demand export matched DC voltage.In the present embodiment
In, power panel output voltage is 5V, 12V, 24V.
Further, the present embodiment is realized using two kinds of unsteady flow modes and turns the voltage of power grid and power panel output voltage
It changes.
The first unsteady flow mode schematic diagram of Fig. 3 the utility model embodiment power panel, first way are first by power grid
DC/DC conversion is carried out after AC rectification, obtains the DC voltage of needs, power panel includes AC/DC converter, the
One DC-DC converter and the second DC-DC converter, AC/DC converter are used for the alternating current of 220V is whole
Stream be 24V direct current, the first DC-DC converter be used for by the direct current of 24V be converted to 12V DC electricity, the second direct current/
Direct current transducer is used to be converted to 12V DC electricity the direct current of 5V, AC/DC converter, the first DC-DC converter
And second DC-DC converter be sequentially connected, make the direct current of power panel output voltage values 24V, 12V, 5V.
Second of unsteady flow mode schematic diagram of Fig. 4 the utility model embodiment power panel, the second way are by alternating voltage
It is rectified, obtains the DC voltage of needs, power panel includes the first power adapter, second source converter and third electricity
Source converter；First direct current is converted 220V AC rectification as the direct current of 24V, and the second direct current is converted 220V alternating current
It is rectified into the direct current of 12V, third direct current is converted 220V AC rectification as the direct current of 5V, and three direct currents of power panel turn
Parallel operation works independently, and makes the direct current of power panel output voltage values 24V, 12V, 5V.
In the present embodiment, intelligent distribution transformer terminals include backup power supply, when external power supply failure (such as power failure), standby electricity
Source provides DC current to distribution transformer terminals, guarantees the stable operation of system, uses backup power supply to use super electricity in the present embodiment
Holding, super capacitor has the function of automatic switching, and when intelligent distribution transformer terminals power loss, super capacitor is automatically engaged powers to terminal,
Device automatically charges to super capacitor after restoring electricity.
In the present embodiment, when intelligent distribution transformer terminals power loss, the electricity of super capacitor is able to maintain that intelligent distribution transformer terminals
Work no less than 5 minutes, while there is the ability reported with 3 completion timings of main operating office.
In the present embodiment, intelligent distribution transformer terminals further include shell, and shell plays defencive function, for example, can protection setting in
The master control borad of interior of shell, LED Unit, communication module, direct current acquisition module, exchange acquisition module, switching input module and
Switching value output module guarantees the safe and reliable operation of internal circuit.
The cooperation of each device through this embodiment, intelligent distribution transformer terminals have following function.
1) acquisition of three-phase voltage, current effective value distribution transformer monitoring function: is realized by digital-to-analogue conversion and master control borad；2-
The measurement of 13 subharmonic；Voltage deviation, the statistics of frequency departure, three-phase voltage, three-phase current unbalance rate statistics；Split-phase and
The calculating of three phases active power, reactive power and four-quadrant accumulation electricity.
2) communication function: including wire communication, wireless communication and usb communication, wire communication include RS485, RS232,
Ethernet；Wireless communication includes 4G communication, small wireless communication, WIFI communication；SPI interface is for connecting carrier communication module.
3) data acquisition function: have direct current acquisition module with exchange acquisition module, to DC voltage, DC current, friendship
Galvanic electricity pressure, alternating current data are acquired, and convert discrete digital data transmission to master control for analog signal by ADC
Device.
4) automatic switching function: automatic distribution transformer terminals include super capacitor, and when external power supply power loss, main controller is to super
Capacitor issues investment and is transferred to super capacitor, uses super capacitor inside device；May be selected outside device using lead-acid accumulator,
Any one output DC current of solar panel, lithium battery, generator.
The technical effect and aforementioned device of system provided by the utility model embodiment, realization principle and generation are implemented
Example is identical, and to briefly describe, system embodiment part does not refer to place, can refer to corresponding contents in aforementioned device embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can be with reference to the corresponding process in aforementioned device embodiment, details are not described herein.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. it is a kind of intelligence distribution transformer terminals characterized by comprising master control borad, LED Unit, communication module, direct current acquisition module,
Exchange acquisition module, switching input module and switching value output module, it is the LED Unit, the communication module, described straight
Flow acquisition module, the exchange acquisition module, the switching input module and the switching value output module respectively with institute
Master control borad is stated to be connected；
The master control borad includes central processor core and its peripheral circuit；The peripheral circuit include memory, clock chip,
ADC in piece；
The LED Unit includes that the first bus expands device and expands the indicator light that device is connected with first bus；
The communication module includes wire communication module and wireless communication module, and the wire communication module includes RS485 bus
Module, RS232 bus module, ethernet communication module at least one；The wireless communication module include 4G communication module,
At least one of WIFI communication module, small wireless communication module；
The direct current acquisition module includes isolated amplifier, and the isolated amplifier passes through described interior ADC and the master control borad
It is connected；
The exchange acquisition module includes voltage transformer, current transformer and the 2nd ADC；
The switching input module includes optocoupler, and the optocoupler is used to convert electric signal for the optical signal of input；
The switching value output module includes relay, and the relay is used for being turned on and off control switch amount, outward
Portion's output control signal, realizes the automatic operating of system.
2. intelligence distribution transformer terminals according to claim 1, which is characterized in that the master control borad further include: with the center
The encryption chip that processor chips are connected.
3. intelligence distribution transformer terminals according to claim 1, which is characterized in that the wire communication module further includes second total
Line expands device and expands the 2nd RS485 bus module that device is connected with second bus.
4. it is according to claim 1 intelligence distribution transformer terminals, which is characterized in that the ethernet communication module include first with
Too net transceiver and the second ethernet transceiver.
5. intelligence distribution transformer terminals according to claim 1, which is characterized in that it further include power panel, the power panel and institute
It states master control borad to be connected, the power panel is used to provide operating current for the intelligent distribution transformer terminals.
6. intelligence distribution transformer terminals according to claim 5, which is characterized in that the power panel includes being sequentially connected the friendship connect
Stream/direct current transducer, the first DC-DC converter, the second DC-DC converter.
7. intelligence distribution transformer terminals according to claim 5, which is characterized in that the power panel is converted including the first power supply
Device, second source converter, third power adapter.
8. intelligence distribution transformer terminals according to claim 1, which is characterized in that the communication module includes SPI interface, described
The external bandwidth carrier communication module of SPI interface；
The intelligence distribution transformer terminals further include the USB interface being connected with master control borad, and the USB interface for upgrading journey on the spot
Sequence.
9. intelligence distribution transformer terminals according to claim 5, which is characterized in that it further include backup power supply, the backup power supply
It is connected with the master control borad, the backup power supply is used to power when the external mains power failure of the power panel for master control borad.
10. it is according to claim 9 intelligence distribution transformer terminals, which is characterized in that the backup power supply include: super capacitor,
Any one of lead-acid accumulator, solar panel, lithium battery, generator, the backup power supply are whole to the intelligent distribution transforming
End output DC current guarantees the operation of the intelligent distribution transformer terminals.
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|---|---|---|---|
| CN201821520007.6U CN208890481U (en) | 2018-09-17 | 2018-09-17 | Intelligent distribution transformer terminals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821520007.6U CN208890481U (en) | 2018-09-17 | 2018-09-17 | Intelligent distribution transformer terminals |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213544A (en) * | 2019-06-12 | 2019-09-06 | 国网北京市电力公司 | Video monitoring system and method for power distribution automation |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213544A (en) * | 2019-06-12 | 2019-09-06 | 国网北京市电力公司 | Video monitoring system and method for power distribution automation |
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Address after: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu Patentee after: Jiayuan Technology Co.,Ltd. Address before: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu Patentee before: Jiayuan Technology Co.,Ltd. Address after: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu Patentee after: Jiayuan Technology Co.,Ltd. Address before: 210000 seventh buildings of Yun Mi City, 19 Ning Ning Road, Yuhuatai District, Nanjing, Jiangsu Patentee before: JIANGSU JIAYUAN TECHNOLOGY Co.,Ltd. |