CN102968103B - data communication module of motor protector - Google Patents
data communication module of motor protector Download PDFInfo
- Publication number
- CN102968103B CN102968103B CN201210458904.XA CN201210458904A CN102968103B CN 102968103 B CN102968103 B CN 102968103B CN 201210458904 A CN201210458904 A CN 201210458904A CN 102968103 B CN102968103 B CN 102968103B
- Authority
- CN
- China
- Prior art keywords
- data
- interface
- communication module
- motor protector
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of data communication module of motor protector; including center processing unit; memory element; power subsystem; configurable module; locally applied interface, the field control interface uploading interface including state input interface, State-output interface, data acquisition interface and data and the connector connected for signal；Described communication module is provided with the data acquisition interface collection of field control interface and includes the electric current of motor, voltage, startup time, operation and fault data；Described communication module is provided with data and uploads interface, for the requirement set by user, is uploaded to upper strata communication device or upper acquisition system after the data packing gathered；The present invention is mainly by judging whether this motor protector is carried out data acquisition to the monitoring running state of MCC switch cubicle motor protector, makes system need not expend unnecessary communication time.
Description
Technical field
The present invention relates to a kind of data communication module of motor protector, for MCC switch cubicle motor protector intelligent data
Harvester.
Background technology
At present the industry such as China's firepower power plant such as (or nuclear power), petrochemical industry and iron and steel is each equipped with a greater number
Motor (motor), the supporting switch cubicle of a lot of motors is designed with motor protector and is led to by the signals such as the electric current of motor
Cross 4-20mA signal and pass to PLC or DCS system, but these signals substantially need not interlocking action and are only used as motor
The display of running status, simply turns through control system internal data so these signals are a lot of in PLC/DCS system
Change；But occupy the substantial amounts of channel resource of PLC/DCS system, make the huge of PLC/DCS system exception.
Some user uses active station (active station installs configuration software, such as IFIX, Intouch etc.) to come by existing
Field bus directly carries out data acquisition achieve data acquisition function to a certain extent with motor protector communication, but by
In not can determine which motor controller is running, which is not running or is nonserviceabling and cause data acquisition system
System is not normally functioning.As: an operator station carries out communication data acquisition work with multiple motor protectors,
Gather the mode that data are bus question-response under normal circumstances, take as Time-a(owing to responding at once, typically
Time is shorter, such as 20ms), when motor protector does not run or other reason causes the motor protector can not be anti-
During feedback data, operator's standing-meeting is sent out repeatedly (generally 3 times) request of data continuously and is the most about spaced Timeb(mono-
As be 200ms), and system can not do other similar work within this interval time.1 gathers port
(Modbus-RTU interface) can complete the collection number of 20 to 30 even more multi-motor protectors in 1 second
According to refreshing, the system waiting-timeout time can be caused 2.4 seconds to reach if there being 4 motor protectors to break down, but each
Extra short 2.4 seconds of cycle can be so that whole data collecting system cannot be carried out refreshing.
Currently used motor protector is all Modbus-RTU data-interface, can only gather port for individual data and enter
Row data acquisition, when acquisition system breaks down, the data during fault will all be lost, for a user this
It is unreliable and unsafe for planting acquisition system, and this situation is also not allow to occur in system is run.
Therefore, a kind of data communication module of motor protector is developed for solving asking of motor protector data acquisition
Topic is very important, and is also the most urgent for users.
Summary of the invention
The technical problem to be solved is: increases the operating state signal communication of motor protector, improves motor
Protector and upper Bit Data Acquisition System communication performance between the two.
Another technical problem to be solved by this invention: improve the reliability of data communication module, improves data communication
The intellectuality of module, digitized degree；Improve standardization and interconnection, the ability of intercommunication of data communication module by signal.
Another technical problem to be solved by this invention: reduce the host computer system to motor protector data collecting system
Cause this, reduce MCC switch cubicle improvement cost when data communication module is installed.
Another technical problem to be solved by this invention: solve switch cabinet drawer (installation motor protector) and switch
Signal connectivity problem between cabinet cabinet (installation data communication module).
Another technical problem to be solved by this invention: solve (motor protector and communication during switch cabinet drawer pull-out
Device disconnects bus and connects) do not affect the data communication of other drawer (referring mainly to motor protector).
For solving problem above, the present invention provides a kind of data communication module of motor protector, including motor protector number
Connection accessories apparatus-connector according to communication module (hereinafter referred to as communication module).
The technical scheme is that, a kind of data communication module of motor protector, including center processing unit, storage list
Unit, power subsystem, configurable module, locally applied interface, field control interface (include state input interface, shape
State output interface, data acquisition interface and data upload interface) and it is used for the connector that signal connects；
Described communication module be provided with the data acquisition interface collection of field control interface include the electric current of motor, voltage,
Startup time, operation and fault data；Described communication module is provided with data and uploads interface, for wanting of setting by user
Ask, after the data packing gathered, be uploaded to upper strata communication device or upper acquisition system.
Described communication module be provided with running status for monitoring MCC (motor control center) switch cubicle motor protector and
Data, send the running status output interface of upper Bit Data Acquisition System to according to the requirement collection of user packing；
Described communication module is provided with motor protector running status input interface, described motor protector running status
Input interface is switch value input interface.For controlling whether that the signal to specifying motor protector to carry out data acquisition connects
Mouthful, management motor protector and the working environment of communication device and the monitoring of duty also realize intelligent management.Should
Be furnished with internal configurable module on communication device, be used between communication module and motor protector, two-layer communication dress
Between putting and the function such as the data of upper Bit Data Acquisition System and communication module and Signal Matching.Described locally applied interface
For Modbus-RTU interface (UART extension), SPI(Serial Peripheral Interface) and Ethernet interface in
One or more.
Further, described connection accessories apparatus-connector, this attachment means is furnished with the stopping means of linkage,
The state of drawer in detecting box.As drawer pulls out then stopping means Guan Bi, before and after guaranteeing in data collecting system
Two motor protectors are reliably connected；Disconnect as drawer pushes then stopping means, to guarantee the motor protector in drawer
Data collecting system is accessed with bus-type connected mode.
Further, described communication module is provided with communication device running status output interface.For showing upper strata communication
The running status of device or upper acquisition system and this communication device, to judge whether to be necessary communication module number
According to collection.
Further, this communication module also includes locally applied interface, is used for realizing device context man-machine interaction, data
Access, function join operation.
Further, the stopping means of linkage, the tenon structure being made up of quiet plug-in unit and dynamic plug-in unit, quiet plug-in unit is divided into
Two parts of lower activity, two parts up and down of quiet plug-in unit are made it link together by upper and lower two spring effects respectively, dynamic
Plug-in unit is relatively-stationary upper and lower two parts；When dynamic plug-in unit is not inserted into, two parts up and down of quiet plug-in unit are respectively by upper
Lower two spring effects make it link together, to guarantee that the upper and lower two node interconnections of original bus are connected；When dynamic plug-in unit is inserted
During plug-in unit in meditation, upper and lower two parts of quiet plug-in unit are individually separated, two parts up and down of dynamic plug-in unit upper with quiet plug-in unit respectively
Lower two parts link together.
Center processing unit is the brain of data communication module of motor protector, is responsible for motor protector data communication mould
The calculating of block, storing, process and control task, center processing unit is designed with technical grade processor MSP430F149
Microprocessor, MSP430F149 microprocessor has 60KB+256B Flash Memory, for notebook data communication mould
Block configuration data and the storage of data gathered from motor protector and caching；Power subsystem is notebook data communication module
The plurality of specifications power supplys such as 5V, 3.3V are provided, use lithium battery system to carry out multiple power supply to guarantee in short-term simultaneously
During power-off, acquisition system normally works；On this communication module, design is furnished with internal configurable module, has been used for communication mould
Between block and motor protector, between two-layer communication device and the data of upper Bit Data Acquisition System and communication module and letter
The functions such as number coupling；The locally applied Interface design of this communication module has Modbus-RTU interface (UART extension), SPI
One or more in (Serial Peripheral Interface), Ethernet interface；This transmission module of portable data field control
Interface mainly detects and controls data communication module of motor protector itself or the status signal of field apparatus, comes real
Existing working environment and comprehensive intelligent management of equipment working state, when being used for realizing the extraction of MCC switch cubicle a certain drawer
Notify that this data communication module does not carries out data acquisition to the motor protector in this drawer, and complete Modbus-RTU
The excision function of data acquisition bus, notifies that when a certain drawer of MCC switch cubicle pushes this data communication module is adopted again
Collect the motor protector data in this drawer, former data acquisition bus is disconnected, and this motor protector is accessed data acquisition
Bus.
For designing field bus data acquisition interface in data communication module, it is mainly used for leading to motor protector
News, gather and include the data such as the electric current of motor, voltage, startup time, operation, fault, design fieldbus data
Upload interface, for the requirement set by user, after the data packing gathered, be uploaded to upper strata communication device or upper
Acquisition system, is designed with motor protector running status input interface, and this interface is switch value input interface, is used for controlling
Whether system is to the signaling interface specifying motor protector to carry out data acquisition, management motor protector and the work of communication device
Make environment and the monitoring of duty and realize intelligent management, being designed with communication device running status output interface, using
In display upper strata communication device or the running status of upper acquisition system and this communication device, right to judge whether to be necessary
Communication module carries out data acquisition.
Connection accessories apparatus-the connector of data communication module of motor protector, the design of this attachment means is furnished with linkage
Stopping means, the motor protector in connecting drawer and the communication module on cabinet, as drawer pulls out the most spacing dress
Put Guan Bi, to guarantee that before and after in data collecting system, two motor protectors are reliably connected；As drawer pushes the most spacing dress
Put disconnection, to guarantee that the motor protector in drawer accesses data collecting system with bus-type connected mode, it is ensured that data
The reliability of the connection in gatherer process.
The beneficial effect that the present invention is reached: transmission module of portable data of the present invention has special signal condition input channel,
For monitoring the running status of MCC switch cubicle motor protector, the connected mode of communication link is optimized simultaneously,
And the requirement collection packing according to user sends upper acquisition system to.In commercial Application, MCC switch cubicle runs
After a period of time, some standby drawer is often drawn out of, and causes part motor protector cannot lead to upper acquisition system
News, but the communication resources expended under malfunction are several times or decades of times under normal condition, thus cause upper collection system
System cisco unity malfunction and face paralysis.The present invention is mainly by the running status to MCC switch cubicle motor protector
Monitoring judges whether this motor protector is carried out data acquisition, makes system need not expend unnecessary communication time.
The present invention is by increasing monitoring to motor protector running status, it is to avoid upper acquisition system is to from system
Excise, the motor protector of fault carries out data acquisition, makes the actual acquisition cycle stretch-out of system cause upper collection
The situation of system crash occurs；Data acquisition port can complete the data of 16 even more multi-motor protectors, expands
Exhibition is convenient；Connected mode is simple, and communication reliability and stability are high.The present invention is in particular by motor protector data
Connection accessories apparatus-the connector of communication module, the design of this attachment means is furnished with the stopping means of linkage, makes the present invention
During switch cabinet drawer pull-out (motor protector and communication device disconnection bus is connected) do not affect other drawer and (refer mainly to
Motor protector) data communication, good reliability.
Accompanying drawing explanation
Fig. 1 is that data communication module of motor protector functional unit forms schematic diagram；
Fig. 2 is data communication module of motor protector interface schema；
Fig. 2-1 is that data communication module of motor protector audion drives relay status output circuit figure；
Fig. 3 is data communication module of motor protector adnexa-connector；
Fig. 4 is data communication module of motor protector software development flow figure；
Fig. 5 is data communication module of motor protector software architecture diagram；
Fig. 6 is existing motor protector data collecting system link topology (operator directly gathers)；
Fig. 7 is the data communication module of motor protector scene networking structure figure for the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings:
Data communication module of motor protector, mainly by center processing unit, memory element, power subsystem, can
Configuration module, locally applied interface, field control interface (include state input interface, State-output interface, data
Acquisition interface and data upload interface) and adnexa (for signal connect connector, refer to accompanying drawing 3) etc. part
Composition, refers to accompanying drawing 1.
Hardware configuration:
Center processing unit: center processing unit is the brain of data communication module of motor protector, is responsible for motor and protects
Protect the calculating of device data communication module, store, process and control task.Center processing unit is designed with at technical grade
Reason device MSP430F149 microprocessor, its technical characteristics is as follows:
～3.6V ultra-wide supply voltage .1.8V
.5 low-power consumption mode is planted, from the standby mode wakeup time less than 6 μ s
.0.1 μ A RAM keeps
.0.8 μ A real-time clock pattern
.2K RAM, 60KB+256B Flash Memory(supports IAP)
. in sheet, hardware multiplier supports four kinds of multiplyings
. two 16-Bit intervalometers (TimerA3, TimerB7) with PWM output unit
. two UART interface, two SPI interface (with UART multiplexing)
. 8 passages 12-Bit analog-digital converter (ADC), there is sheet internal reference voltage source
. an analog comparater, watchdog circuit etc.
Memory element: MSP430F149 microprocessor has 60KB+256B Flash Memory, for this number
The storage of data according to communication module configuration data and gathered from motor protector and caching, it is ensured that equipment running process
In safe, correct, stable and reliable.
Power subsystem: power subsystem provides the plurality of specifications power supplys such as 5V, 3.3V for notebook data communication module, adopts simultaneously
With lithium battery, system is carried out multiple power supply to guarantee that acquisition system normally works when short supply interruption.
Power Management Design selects yaohuaDY 24S05-2W power module to complete the supply of DC5V power supply in module, with
Shi Xuanyong AMS1117 module completes the supply of center processor 3.3V power supply.
Configurable module
Configuration is exactly to utilize instrument, the method provided in application software, completes the process of a certain specific tasks in engineering.
It is towards special purpose, according to the particular/special requirement of a certain user, with low development cost, the full custom of delivery of short cycle
Or semi-custom controls device.
Data communication module of motor protector utilizes this mode of configuration to complete notebook data communication module exactly and protects with motor
Protect between device, between two-layer data communication module and the data of upper Bit Data Acquisition System and notebook data communication module and letter
The functions such as number coupling.
Locally applied interface: locally applied interface mainly solves device context man-machine interaction, data access, function connection
The operation such as connect.Notebook data communication module is convenient for Function Extension, and major design has following several interface type:
.Modbus-RTU interface (using UART interface to be extended)
.SPI(Serial Peripheral Interface)
In locally applied interface, Modbus-RTU interface is uploaded primarily as data and the setting of configuration data connects
Mouthful, SPI interface is mainly for the program renewal use of data communication module of motor protector.
Field control interface (includes that state input interface, State-output interface, data acquisition interface and data are uploaded and connect
Mouthful): field control interface mainly detection and control data communication module of motor protector itself or field apparatus
Status signal, realizes comprehensive intelligent management of working environment and equipment working state, is used for realizing MCC switch cubicle
A certain drawer notifies that this data communication module does not carries out data acquisition to the motor protector in this drawer when extracting out, and complete
Become the excision function of Modbus-RTU data acquisition bus；MCC switch cubicle a certain drawer notifies when pushing that these data are led to
Motor protector data in news this drawer of module Resurvey, disconnect former data acquisition bus, and by this motor protector
Access data acquisition bus, refer to accompanying drawing 2.
In figure, TCP/IP interface is that the data of ethernet mode upload interface, and this interface is industry ethernet interface, uses
Arrange and data upload function in configuration data；
Address interface is that data communication module data is uploaded with the address setting group of RS485 interface (COM_OUT)
Code switch；
COM_OUT interface is that data communication module data is uploaded and used RS485 interface；
COM_IN interface is motor protector on-site data gathering RS485 interface；
DEV_State_A and DEV_State_B interface is respectively 8 passage motor operation state acquisition interfaces, altogether may be used
16 motors carry out data acquisition, and No. 9 terminals are that voltage i.e. inquired about by common port, when certain motor protector runs
It is i.e. 1 to 8 corresponding No. 9 terminals (24V inquire about voltage) with terminal Dx(x) short circuit, will believe by motor operation
Number send data communication module to, as data communication module does not receives 24V signal, then it represents that corresponding motor protection
Device off-line (may have this letter before data/address bus and status signal are diagrammatically only by motor protector and communication module in figure
Number)；
DEV_Set_A and DEV_Set_B interface is the control interface of DEV_State_A and DEV_State_B respectively,
DIP switch corresponding for its passage then only need to be pushed by the data that need not gather motor protector as run operator
OFF position；
PRO interface is DLL, for SPI serial interface, for the modification of program of communication module；
POWER interface is power interface, and the working power for communication module accesses, and the toggle switch on its side is used for
Selecting power specification, whether user can be as required depending on there being AC220V power supply to select in MCC switch cubicle.
Owing to data communication module of motor protector uses at industrial environment, it is easily subject to site environment different
Interference effect, for insulation blocking electronegative potential, transmits the accurate of signal, notebook data transmission module of portable data is developed one
Plant photoelectric coupled device isolation input；In view of the stability of Interface status output, design use S9013 type large-scale
Pliotron drives relay to carry out the output of state, replaces the transistor driving usually used to carry out the defeated of state
Go out, refer to accompanying drawing 2-1.
Adnexa-connector: notebook data communication module connector has had the biggest improvement, is furnished with the stopping means of linkage,
This device is mainly quiet plug-in unit and dynamic plug-in unit composition, by its primary structure as shown in Figure 3.Quiet plug-in unit is divided into up and down
Two parts, dynamic plug-in unit is relatively-stationary upper and lower two parts.When drawer is not shifted onto, dynamic plug-in unit is not inserted into
Time, two parts up and down of quiet plug-in unit are made it link together by upper and lower two spring effects respectively, original to guarantee
The upper and lower two node interconnections of MODBUS bus are connected；When drawer is shifted onto, when dynamic plug-in unit inserts quiet plug-in unit, quiet plug-in unit
Up and down two parts are individually separated, and two parts up and down of dynamic plug-in unit two parts up and down with quiet plug-in unit respectively link together,
Quiet insert upper is tapped into the COM_IN end of motor protector communication module, and lower part is connected to next motor protector
MODBUS interface, to guarantee that motor protector accesses Modbus-RTU fieldbus with bus-type and gathers network.This
Dongle configuration is from conventional engineering, the connector of application is different: conventional connector is equivalent to a plug, for
Each node is three branches of hub-and-spoke configuration, due to each motor protector of being arranged in MCC switch cubicle away from
Close to from so that the bus-type network structure of Modbus-RTU is being partially formed Star Network structure, thus affects
Normal communication, and the branch of this connector is short, and (and the distance between two branch points of fieldbus should have the order of magnitude
Difference), form bus structures form, original network structure form will not be changed, affect the communication of data in bus,
This connector is exactly to consider this situation and individually designed dedicated connector.
Software: the software development of data communication module of motor protector uses IAR to develop, the stream of software development
Journey figure refers to accompanying drawing 4.
This program design time mainly consider data communication module of motor protector when with motor protector communication first
Check that motor protector is the most online (whether can gather data), as motor protector off-line does not the most gather its data,
Thus decreasing the time that communication time-out takies, this communication module software structure chart refers to accompanying drawing 5.
The data collecting system connected mode (operator directly gathers) of existing motor protector, refers to accompanying drawing 6.?
This graphic operation member station is configured to configuration software (IFIX, Intouch, WINCC etc.) and serial acquisition card.In the drawings
It can be seen that owing to off-line state often occurs in the motor protector in bus, therefore when system designs every total
On line, the motor protector of configuration only has 5 to 8, to guarantee the real-time of data acquisition, separately due to every bus
Motor protector is few, has also resulted in bus cable and the increase of associated construction expense.
The data communication module of motor protector scene networking mode of the present invention, refers to accompanying drawing 7.This figure is configured to two
The acquisition system of layer data communication module of motor protector composition, is total up to Three Tiered Network Architecture: ground floor is on-the-spot number
Data (each communication module of motor protector is gathered according to collecting part, predominantly data communication module of motor protector
At most can carry out communication with 16 motor protectors)；The second layer is single operation unit or the data acquisition producing district
(if single production district is that a monitoring unit can directly use active station to carry out data acquisition)；Third layer is upper figure place
According to gathering (active station).Have following when can see data communication module of motor protector network consisting here from figure
Advantage: the quantity of the motor protector of collection is bigger；Quantity and the corresponding construction volume of fieldbus are smaller；Can
There to be multiple stage active station to gather data simultaneously, stability and the reliability of monitoring system are greatly improved.
In a word, the data communication module of motor protector of the present invention and the difference of other data acquisition unit are main
It is: the input of notebook data transmission module of portable data state and output interface, is used for monitoring the protection of MCC switch cubicle motor
The status signal of device, can make data communication module of motor protector send instruction by the collection of this status signal
Front it may determine that whether to carry out communication with current device (MCC switch cubicle motor protector), as need not, enter
The data access of next equipment of row, thus reduce the overall collection period of data, and can when equipment normally comes into operation
Data acquisition is carried out to communicate rapidly according to the signal of this state.Other data acquisition unit is only entering with equipment
Just judge whether current device is in off-line state after row communication, and other equipment cannot be with data acquisition packaging in the meantime
Put and carry out communication, and this procedures system must be paid normal acquisition the process ten the most even time of decades of times and just can examine
Record, consume substantial amounts of Internet resources.
Claims (4)
1. a data communication module of motor protector; it is characterized in that including center processing unit; memory element; power subsystem; configurable module; locally applied interface, the field control interface uploading interface including state input interface, State-output interface, data acquisition interface and data and the connector connected for signal；
Described communication module is provided with the data acquisition interface of field control interface, gathers and includes the electric current of motor, voltage, startup time, operation and fault data；Described communication module is provided with data and uploads interface, for the requirement set by user, is uploaded to upper strata communication device or upper Bit Data Acquisition System after the data packing gathered；
Described communication module is provided with the running status for monitoring MCC switch cubicle motor protector and data, sends the State-output interface of upper Bit Data Acquisition System according to the requirement collection of user packing to；
Described communication module is provided with motor protector state input interface, and described motor protector state input interface is switch value input interface；For controlling whether that, to the signaling interface specifying motor protector to carry out data acquisition, management motor protector and the working environment of communication device and the monitoring of duty also realize intelligent management；It is furnished with internal configurable module on described communication module, has been used between communication module and motor protector, between two-layer communication module and the data transmission of upper Bit Data Acquisition System and communication module and Signal Matching；
Data collecting system including two-layer data communication module of motor protector composition; it is total up to Three Tiered Network Architecture: ground floor is on-site data gathering part; gather the data of motor protector for data communication module of motor protector, each communication module at most can carry out communication with 16 motor protectors；The second layer is single operation unit or the data acquisition producing district, and single production district is that a monitoring unit can directly use active station to carry out data acquisition；Third layer is upper Bit Data Acquisition System；
Described locally applied interface is one or more in Modbus-RTU interface i.e. UART extension, Serial Peripheral Interface SPI and Ethernet interface.
Data communication module of motor protector the most according to claim 1, is characterized in that being provided with connection accessories apparatus i.e. connector, connects accessories apparatus and be furnished with the stopping means of linkage, the state of drawer in detecting MCC switch cubicle.
Data communication module of motor protector the most according to claim 2; it is characterized in that the stopping means of linkage is formed tenon structure by quiet plug-in unit and dynamic plug-in unit; quiet plug-in unit is divided into up and down two parts; two parts up and down of quiet plug-in unit are made it link together by upper and lower two spring effects respectively, and dynamic plug-in unit is relatively-stationary upper and lower two parts；When dynamic plug-in unit is not inserted into, two parts up and down of quiet plug-in unit are made it link together by upper and lower two spring effects respectively, to guarantee that the upper and lower two node interconnections of original bus are connected；When dynamic plug-in unit inserts quiet plug-in unit, upper and lower two parts of quiet plug-in unit are individually separated, and two parts up and down of dynamic plug-in unit two parts up and down with quiet plug-in unit respectively link together.
Data communication module of motor protector the most according to claim 3; it is characterized in that quiet insert upper is tapped into the COM_IN end i.e. RS485 interface of motor protector on-site data gathering of data communication module of motor protector; lower part is connected to next motor protector MODBUS interface, to guarantee that motor protector accesses Modbus-RTU fieldbus with bus-type and gathers network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210458904.XA CN102968103B (en) | 2012-11-15 | 2012-11-15 | data communication module of motor protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210458904.XA CN102968103B (en) | 2012-11-15 | 2012-11-15 | data communication module of motor protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102968103A CN102968103A (en) | 2013-03-13 |
| CN102968103B true CN102968103B (en) | 2016-12-21 |
Family
ID=47798292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210458904.XA Active CN102968103B (en) | 2012-11-15 | 2012-11-15 | data communication module of motor protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102968103B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238508B (en) * | 2014-08-29 | 2017-07-11 | 南京中电自动化有限公司 | A kind of motor protector data communication optimization module |
| CN109597402B (en) * | 2018-12-07 | 2020-11-27 | 中国航发南方工业有限公司 | Data storage and management device of engine and engine |
| CN112859725B (en) * | 2021-01-04 | 2022-06-24 | 中国核电工程有限公司 | Monitoring system for status characteristic signals of plant equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590236Y (en) * | 2002-12-30 | 2003-12-03 | 上海电器科学研究所 | Modularized communicating intelligent motor protection |
| CN2917057Y (en) * | 2006-03-28 | 2007-06-27 | 上海电器科学研究所（集团）有限公司 | Modular integrated motor control protector |
| CN201118205Y (en) * | 2007-11-14 | 2008-09-17 | 扬州新菱电器有限公司 | Electric motor intelligent control protecting administrative system |
| CN201312116Y (en) * | 2008-11-14 | 2009-09-16 | 山东聊城中盛蓝瑞化工有限公司 | Electric monitoring and protecting device |
| CN202260400U (en) * | 2011-09-19 | 2012-05-30 | 常熟开关制造有限公司(原常熟开关厂） | Modularized electromotor protector with communication redundancy function |
-
2012
- 2012-11-15 CN CN201210458904.XA patent/CN102968103B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590236Y (en) * | 2002-12-30 | 2003-12-03 | 上海电器科学研究所 | Modularized communicating intelligent motor protection |
| CN2917057Y (en) * | 2006-03-28 | 2007-06-27 | 上海电器科学研究所（集团）有限公司 | Modular integrated motor control protector |
| CN201118205Y (en) * | 2007-11-14 | 2008-09-17 | 扬州新菱电器有限公司 | Electric motor intelligent control protecting administrative system |
| CN201312116Y (en) * | 2008-11-14 | 2009-09-16 | 山东聊城中盛蓝瑞化工有限公司 | Electric monitoring and protecting device |
| CN202260400U (en) * | 2011-09-19 | 2012-05-30 | 常熟开关制造有限公司(原常熟开关厂） | Modularized electromotor protector with communication redundancy function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102968103A (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104348254B (en) | Service-oriented monitoring system of electric substation framework | |
| CN102332751B (en) | Measurement and control device connected with double sets of process layer devices in intelligent substation and measurement and control method thereof | |
| CN206541430U (en) | A kind of data capture management device based on cloud platform | |
| CN104753085A (en) | Remote online monitoring system for distributed photovoltaic access | |
| CN106292269A (en) | There is the intelligent controller of multiple communication function, redundant wireless | |
| CN102325149A (en) | Intelligent network remote terminal unit (RTU) system of electrified railway | |
| CN105827596A (en) | Communication management system | |
| CN101752904B (en) | Power supply system distributed controlling and managing subsystem computer | |
| CN103309319B (en) | Distributive redundancy type automatic power distribution control system for airplane | |
| CN102968103B (en) | data communication module of motor protector | |
| CN203849595U (en) | Modularized structure for distributed greenhouse integrated environment intelligent regulation and control system on-site controller | |
| CN202817897U (en) | Power grid system for integrating grid distribution, scheduling and centralized control in one | |
| CN103034220A (en) | Power plant integrated controller | |
| CN101820356A (en) | Network fault diagnosis system based on ARM-Linux | |
| CN102710025B (en) | Power system communication device and method | |
| CN110632426A (en) | Modular combined type electric power detection device | |
| CN203690998U (en) | Battery management system | |
| CN202383511U (en) | Monitoring system for motor control center | |
| CN203537075U (en) | Monitoring device of battery pack centralized charging station | |
| CN201008293Y (en) | Drip irrigation control system | |
| CN209526562U (en) | Distributed DTU device | |
| CN202872465U (en) | Intelligent distribution type feeder automation control system | |
| CN206194119U (en) | Data acquisition manager based on instrument | |
| CN202353323U (en) | Direct current monitoring system for transformer substations | |
| CN205647035U (en) | System of power dispatching automation main website |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210000 no.1800, Chengxin Avenue, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee after: Nanjing Zhongdian Intelligent Technology Co., Ltd Address before: 211102, integrity road 1800, Jiangning Development Zone, Jiangsu, Nanjing Patentee before: Nanjing Zhongdian Automation Co., Ltd. |
|
| CP03 | Change of name, title or address |