CN107872183A - Motor field control case - Google Patents
Motor field control case Download PDFInfo
- Publication number
- CN107872183A CN107872183A CN201711335589.0A CN201711335589A CN107872183A CN 107872183 A CN107872183 A CN 107872183A CN 201711335589 A CN201711335589 A CN 201711335589A CN 107872183 A CN107872183 A CN 107872183A
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- Prior art keywords
- field control
- motor field
- control case
- intelligent terminal
- case
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The application is related to motor field control case, belongs to motor control technologies field.The motor field control case includes：Control box body；And intelligent terminal, the intelligent terminal are installed in the control box body；Wherein, the intelligent terminal realizes the digitlization of the motor field control case based on IEC 61850.According to the motor field control case of the application, by setting up the intelligent terminal based on IEC 61850 in control box body, the field digitized function of the motor field control case can be realized.
Description
Technical field
This disclosure relates to motor control technologies field, in particular to a kind of motor field control case.
Background technology
Motor field control case of the prior art is not carried out the live in-situ digitalization function of signal.
In addition, the electric elements of control box body of the prior art installation, change-over switch, button, signal lamp etc., it is necessary to
By controlling cable to be connected with low-tension switch cabinet or MCC cabinets, and the electric elements at scene, then low pressure is connected to by control cabinet and opened
Close cabinet or MCC cabinets.
2 points of the above is the typical motor field control case mode of connection being commonly used in current engineering, and which uses
Control type of cable it is more, quantity also compare it is more, caused by copper metal consumption it is bigger.
Therefore, it is necessary to a kind of new motor field control case.
Above- mentioned information is only used for strengthening the understanding to the background of the disclosure, therefore it disclosed in the background section
It can include not forming the information to prior art known to persons of ordinary skill in the art.
The content of the invention
A kind of motor field control case of disclosure, can realize the field digitized of motor field control case.
Other characteristics and advantage of the disclosure will be apparent from by following detailed description, or partially by the disclosure
Practice and acquistion.
According to the one side of the disclosure, there is provided a kind of motor field control case, including：Control box body；And intelligence
Terminal, the intelligent terminal are installed in the control box body；Wherein, the intelligent terminal is based on described in IEC61850 realizations
The digitlization of motor field control case.
According to some embodiments, wherein the intelligent terminal includes：CPU module, it possesses an optical Ethernet
Interface, for being communicated with the intelligent motor protection unit in low-tension switch cabinet or MCC cabinets, realize transmitting-receiving goose, SV
Message information.
According to some embodiments, wherein the motor field control case is compound using the unified optical fiber of specifications and models standard
Control cable is connected with the intelligent motor protection unit in the low-tension switch cabinet or MCC cabinets.
According to some embodiments, wherein the optical fiber composite control cable includes optical fiber and wire；Wherein, the optical fiber
It is responsible for transmission goose, SV message, the wire is responsible for transmitting emergency mobile forces stop signal and provided for the motor field control case
Power supply.
According to some embodiments, wherein being provided with guide rail in the control box body, the intelligent terminal is installed on described
On guide rail.
According to some embodiments, in addition to：Optical fiber distributing unit, the optical fiber distributing unit are arranged on the guide rail.
According to some embodiments, wherein live electric elements are connected to the low pressure by the motor field control case
Switch cubicle or MCC cabinets, using control cable or wire connection between the intelligent terminal and the live electric elements.
According to some embodiments, the intelligent terminal also includes：Power module, for being powered for the intelligent terminal；Open
Input module is measured in pass, for gathering the on-off model in the motor field control case with the live electric elements；
Switching value output module, for exporting passive contact signal, control the signal lamp of the motor field control case
Work；And Analog input mModule, for gathering the analog signalses of the live electric elements, the analog signalses bag
Include current signal, voltage signal and RTD.
According to some embodiments, wherein the power module, the switching input module, the switching value output module
And the Analog input mModule uses inserting mode with main circuit board.
According to some embodiments, wherein the control box body uses anti-corrosion dustproof case body, pacify on the case face of the casing
Equipped with change-over switch, button and signal lamp.
According to the motor field control case of the disclosure, by setting up the intelligence based on IEC 61850 in control box body
Energy terminal, the field digitized function of the motor field control case can be realized.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It is more obvious.
Fig. 1 shows the signal of the control box body of the motor field control case according to the example embodiment of the disclosure one
Figure；
Fig. 2 shows the schematic diagram inside the motor field control case according to the example embodiment of the disclosure one；
Fig. 3 shows the structural representation of the intelligent terminal of the motor field control case according to the example embodiment of the disclosure one
Figure.
Specific embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be real in a variety of forms
Apply, and be not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that the disclosure will be comprehensively and complete
It is whole, and the design of example embodiment is comprehensively communicated to those skilled in the art.Identical reference represents in figure
Same or similar part, thus repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, there is provided many details fully understand so as to provide to embodiment of the disclosure.However,
It will be appreciated by persons skilled in the art that the technical scheme of the disclosure can be put into practice without one in the specific detail or more
It is more, or other methods, constituent element, material, device, step etc. can be used.In other cases, it is not shown in detail or describes
Known features, method, apparatus, realization, material are operated to avoid each side of the fuzzy disclosure.
Disclosure embodiment provide firstly a kind of motor field control case, and the motor field control case can wrap
Include：Control box body；And intelligent terminal, the intelligent terminal are installed in the control box body.Wherein, the intelligence is whole
End group realizes the digitlization of the motor field control case in IEC 61850.Motor in the embodiment of the present disclosure shows
Field control cabinet, by setting up the intelligent terminal based on IEC 61850 in control box body, the control of motor scene can be realized
The field digitized function of case processed.
It is illustrated below by Fig. 1-3.
Fig. 1 shows the signal of the control box body of the motor field control case according to the example embodiment of the disclosure one
Figure.
As shown in figure 1, the motor field control case 10 can include control box body, the control box body can use
Anti-corrosion dustproof case body, the case face 1 of the casing can install change-over switch, button, signal lamp, scram button etc..
It should be noted that, although be mounted with the case face 1 shown in Fig. 12 signal lamps, 1 change-over switch, 2 by
Button and 1 scram button, but this is only for what is illustrated, and the disclosure is defined not to this, signal lamp on case face,
The number amount and type of change-over switch, button and scram button can flexibly be set according to application scenario.
Fig. 2 shows the schematic diagram inside the motor field control case according to the example embodiment of the disclosure one.
As shown in Fig. 2 setting guide rail 2 in the case of the motor field control case 10, installed on guide rail 2 and be based on IEC
61850 intelligent terminal.
Optical fiber is also provided with continued reference to the embodiment shown in Fig. 2, in the case of the motor field control case 10 to match somebody with somebody
Line unit and terminal, the optical fiber distributing unit and the terminal can also may be contained within the guide rail 2.Wherein, the optical fiber distributing list
The optical fiber that member can be used in optical fiber composite control cable hereinafter is connected with the intelligent terminal by wire jumper.The terminal is electricity
Conventional terminal in motivation field control case, is no longer described in detail herein.
It should be noted that above-mentioned intelligent terminal and/or optical fiber distributing unit and/or terminal are not limited to using the present invention
Guide rail described in embodiment is set, and it can be installed by the way of other are any appropriate, such as bolt.
Fig. 3 shows the structural representation of the intelligent terminal of the motor field control case according to the example embodiment of the disclosure one
Figure.
Control cable or wire connection can be used in the embodiment of the present invention, between intelligent terminal and live electric elements；Should
Intelligent terminal is connected with the intelligent motor protection unit in low-tension switch cabinet or MCC cabinets using optical fiber composite control cable.Its
In, in the optical fiber composite control cable, optical fiber is responsible for transmitting goose, SV message, and wire is responsible for transmitting emergency mobile forces stop signal simultaneously
Power supply is provided to digitize the motor field control case.
Wherein, the control cable applies to industrial and mining enterprises, energy traffic department, for ac rated voltage 450/750
Polyvinyl chloride insulation, the pvc sheath that the occasions such as volt following control, protection circuit use control cable.
Wherein, the optical fiber composite control cable, it is possible to achieve optical fiber is compound with control cable, and cabling process letter
It is single.
In the embodiment of the present invention, the intelligent terminal is integrally based on IEC61850 realization device functions, including signal acquisition,
Control signal exports.The signal of collection includes switching value, analog quantity, RTD, and it is passive contact to control output signal.
Specifically, IEC61850 standards are the unique universal standards of power system automatic field.It passes through standard
Realization, realize intelligent substation engineering running standardization.So that the engineering construction of intelligent substation becomes specification, uniformly
With it is transparent.Whether the intelligent substation engineering which system integrator establishes can pass through SCD (system configuration) file
The structure and layout of whole transformer station are solved, are had the function that for Intelligent transformer station development irreplaceable.
IEC61850 proposes a kind of public communication standard, by a series of standardization to equipment, forms it into one
The output of individual specification, realize the seamless connection of system.
IEC61850 standards are the unique international standards of electric substation automation system based on universal network communication platform, and it is
By 3 working group 10,11,12 (WG10/11/12) responsibility systems of technical committee (IECTC57) of International Electrotechnical Commission the 57th
Fixed.
This canonical reference and existing many relevant criterions are absorbed, wherein mainly having:IEC870-5-101 telemechanicals communicate
Consensus standard；IEC870-5-103 relay protection information interface standards；UCA2.0(Utility Communication
Architecture2.0) (transformer station formulated by U.S.'s DianKeYuan and feeder plant communication protocol framework)；ISO/IEC9506
Manufacturer's information specification MMS (Manufacturing Message Specification).
Transformer substation communication system is divided into 3 layers of station level, wall, process layer by transformer substation communication system IEC61850.
Network between station level and wall is mapped to manufacture message specification using Abstract Common Service Interface
(MMS), transmission control protocol/internet protocol (TCP/IP) Ethernet or optical networking.Network between wall and process layer
One-way transmission Ethernet using from single-point to multiple spot.Intelligent electronic device (IED, measurement and control unit and relay protection) in transformer station
Unified agreement is used, entering row information by network exchanges.
The characteristics of IEC61850 is 1) object-oriented modeling；2) Abstract Common Service Interface；3) towards real-time service；4)
Configuration language；5) whole power system unified Modeling.
IEC61850 has modeled most of public physical devices and apparatus assembly.These model definitions common data lattice
Formula, identifier, behavior and control, such as transformer station and feeder plant (breaker, voltage regulator and relay protection etc.).
Self-description can significantly reduce data management expense, simplify data maintenance, reduce the system-down caused by configuration error
Time.IEC61850 can significantly improve information technology and automation as Operation of Electric Systems seamless communication system-based is formulated
The device data of technology integrates, and the expenses such as quantities, onsite acceptance, operation, monitoring, diagnosis and maintenance is reduced, when saving a large amount of
Between, add the flexibility of automated system during use.It solve electric substation automation system product interoperability and
Protocol conversion problem.It can also make automation of transformation substations equipment that there is self-described, self diagnosis and plug and play (Plug using the standard
And Play) characteristic, greatly facilitate the integrated of system, reduce the engineering cost of electric substation automation system.At me
State will greatly improve technical merit, the raising electric substation automation system safety of electric substation automation system using the standard series
Stable operation is horizontal, saves exploitation checks and accepts the manpower and materials safeguarded, realizes complete interoperability.
In the embodiment of the present invention, the intelligent terminal uses following structure type：Microcomputer type intelligent terminal；Standard rail
Formula is installed；Overall integral structure, internal plug in construction；The both sides wiring up and down of device front.But the disclosure is not limited to
This.
The intelligent terminal function composition in the embodiment of the present disclosure is illustrated with reference to Fig. 3.
As shown in figure 3, the intelligent terminal can include power module, the power module can be responsible for whole intelligence eventually
End power supply, can use inserting mode between power module and main circuit board.
With continued reference to shown in Fig. 3, the intelligent terminal can also include central processing unit (Central Processing
Unit, CPU) module.The CPU module can use embedded microprocessor, be fixedly installed in intelligent terminal.
Wherein, the CPU module can possess 1 optical Ethernet interface, with the electronic wisdom in low-tension switch cabinet or MCC cabinets
Energy protection location is communicated, and realizes transmitting-receiving goose, SV message information, be may be simultaneously used for the program renewal of device and is adjusted
Examination.
Wherein, the low-tension switch cabinet is applied to the industries such as power plant, oil, chemical industry, metallurgy, weaving, skyscraper, makees
It is used for transmission of electricity, distribution and electric energy conversion.Product meets GB7251.1-2005《Low-voltage complete switch equipment》(IDT
IEC60439-1 1999) standard regulation.
MCC (Motor Control Center, the control of motor center) cabinet is exactly the power distribution cabinet for opening, stopping for controlling motor,
It is PLC subordinate.PLC is seldom integrated in MCC cabinets, is control MCC cabinets.Soft start MCC switch boards are by following sections group
Into：(1) breaker of input, (2) soft starter (including electronic control circuit and three-phase thyristor), (3) soft starter
Bypass contactor, (4) secondary side control circuit (complete the choosing of the functions such as manual starting, remote start(ing), soft start and across-the-line starting
Select and operation), have that voltage, electric current are shown and the indicator lamp such as failure, operation, working condition is shown.
Goose (Generic Object-Oriented Substation Event) is a kind of change towards general object
Power station event.It is mainly used in realizing the information transmission between multiple intelligent electronic devices (IED), including transmission breaker tripping and closing, connection
The multi-signals such as locking (order), there is the high-transmission probability of success.SV (Sampled Value) is sampled value, it be based on issue/
Subscribing mechanism, exchange correlation model object and the service of the sampled value that sampled data is concentrated, and these model objects and service
Mapping between ISO/IEC 8802-3 frames.
The communication of goose messages is the communication basis based on 61850 digital transformer substations.
Goose is a kind of general object-oriented transformer substation case abstract model that the standards of IEC 61850 define,
The mechanism quickly transmitted is provided and (such as orders, alerts), start available for tripping operation and failure wave-recording etc..
In intelligent Power Station, goose is a kind of application in real time, for transmitting interval block signal and real-time trip signal.
In the embodiment shown in fig. 3, the intelligent terminal can also include switching input module.Wherein, it is described to open
Pass amount input module is responsible for gathering the on-off model in the motor field control case with live electric elements.Optionally,
The switching input module uses inserting mode with main circuit board.
In the embodiment shown in fig. 3, the intelligent terminal can also include switching value output module.Wherein, it is described to open
Pass amount output module is responsible for exporting passive contact signal, controls signal lamp in the motor field control case to work.Optionally,
The switching value output module uses inserting mode with main circuit board.
Wherein, contact signal is exactly switching signal.There is some switching signals itself switch to export, and act existing signal,
Such as proximity switch, optoelectronic switch etc., here it is active contact.Some switching signals itself export without power supply, even if dynamic
Work may not also have signal output, such as the lamp switch of family.Although action, but if signal is provided without the external world, equal to not having
There is signal, here it is passive contact.
In the embodiment shown in fig. 3, the intelligent terminal can also include Analog input mModule.Wherein, the mould
Analog quantity input module is responsible for the analog signalses of collection site electric elements, can be including 0-10V, 4-20mA, RTD etc..It is optional
, the Analog input mModule uses inserting mode with main circuit board.
RTD is Resistance Temperature Detector abbreviation, means resistance temperature detector, referred to as
It is thermal resistance.
Resistance temperature detector (RTD) is actually the different wire of a Gent, and its resistance is varied with temperature and changed, and is led to
Normal RTD materials include copper, platinum, nickel and nickel iron alloy.RTD element can be a wire or thin film, use
The method of plating or sputtering is coated in ceramic-like materials substrate.
RTD resistance value is used as nominal value using 0 DEG C of resistance.0 DEG C of 100 Ω platinum RTD resistance its resistance at 1 DEG C is usually
100.39 Ω, it is 119.4 Ω at 50 DEG C.RTD error is smaller than thermistor, for platinum, error typically 0.01%,
Nickel is generally 0.5%.In addition to error and resistance are smaller, the interface circuit of RTD and thermistor is essentially identical.
The motor field control case that embodiment of the present invention provides, it is the digital applications of motor field control case,
It uses the intelligent terminal based on IEC61850, realizes the digitlization of motor field control case.In further embodiments, it is electric
, can using the optical fiber composite control cable that specifications and models standard is unified between motivation field control case and low-tension switch cabinet or MCC cabinets
To reduce copper metal consumption, cost is reduced, connection is simple.
Through the above description of the embodiments, those skilled in the art is it can be readily appreciated that example described herein is implemented
Mode can be realized by way of software combines necessary hardware.
It will be appreciated by those skilled in the art that above-mentioned each module can be distributed in device according to the description of embodiment, also may be used
To carry out respective change uniquely different from one or more devices of the present embodiment.The module of above-described embodiment can be merged into
One module, can also be further split into multiple submodule.
The exemplary embodiment of the disclosure is particularly shown and described above.It should be understood that the disclosure is not limited to institute's public affairs
The embodiment opened, on the contrary, the disclosure is intended to cover comprising various modifications in the spirit and scope of the appended claims and waited
Effect arrangement.
Claims (10)
- A kind of 1. motor field control case, it is characterised in that including：Control box body；AndIntelligent terminal, the intelligent terminal are installed in the control box body；Wherein, the intelligent terminal realizes the digitlization of the motor field control case based on IEC 61850.
- 2. motor field control case as claimed in claim 1, wherein the intelligent terminal includes：CPU module, it possesses an optical Ethernet interface, for the motor in low-tension switch cabinet or MCC cabinets Intelligent protection unit is communicated, and realizes transmitting-receiving goose, SV message information.
- 3. motor field control case as claimed in claim 2, wherein the motor field control case uses specifications and models The unified optical fiber composite control cable of standard connects with the intelligent motor protection unit in the low-tension switch cabinet or MCC cabinets Connect.
- 4. motor field control case as claimed in claim 3, wherein the optical fiber composite control cable include optical fiber and Wire；Wherein, the optical fiber is responsible for transmitting goose, SV message, and the wire is responsible for transmission emergency mobile forces stop signal and is the electricity Motivation field control case provides power supply.
- 5. motor field control case as claimed in claim 1, wherein guide rail is provided with the control box body, the intelligence Energy terminal is installed on the guide rail.
- 6. motor field control case as claimed in claim 5, in addition to：Optical fiber distributing unit, the optical fiber distributing unit It is arranged on the guide rail.
- 7. motor field control case as claimed in claim 2, wherein live electric elements are controlled by motor scene Case processed is connected to low-tension switch cabinet or the MCC cabinet, using control electricity between the intelligent terminal and the live electric elements Cable or wire connection.
- 8. motor field control case as claimed in claim 7, the intelligent terminal also include：Power module, for being powered for the intelligent terminal；Switching input module, believe for gathering the switching value in the motor field control case with the live electric elements Number；Switching value output module, for exporting passive contact signal, the signal lamp of the motor field control case is controlled to work； AndAnalog input mModule, for gathering the analog signalses of the live electric elements, the analog signalses include electricity Flow signal, voltage signal and RTD.
- 9. motor field control case as claimed in claim 8, wherein the power module, the switching input module, The switching value output module and the Analog input mModule use inserting mode with main circuit board.
- 10. motor field control case as claimed in claim 1, wherein the control box body uses anti-corrosion dustproof case body, Change-over switch, button and signal lamp are installed on the case face of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335589.0A CN107872183A (en) | 2017-12-14 | 2017-12-14 | Motor field control case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335589.0A CN107872183A (en) | 2017-12-14 | 2017-12-14 | Motor field control case |
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| CN107872183A true CN107872183A (en) | 2018-04-03 |
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ID=61755847
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335589.0A Pending CN107872183A (en) | 2017-12-14 | 2017-12-14 | Motor field control case |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113917878A (en) * | 2021-10-29 | 2022-01-11 | 三一重机有限公司 | Control box, remote control operation control system and operation machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917878A (en) * | 2021-10-29 | 2022-01-11 | 三一重机有限公司 | Control box, remote control operation control system and operation machine |
| CN113917878B (en) * | 2021-10-29 | 2024-03-12 | 三一重机有限公司 | Control box, remote control operation control system and working machine |
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