CN209460601U - A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet - Google Patents
A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet Download PDFInfo
- Publication number
- CN209460601U CN209460601U CN201822147278.8U CN201822147278U CN209460601U CN 209460601 U CN209460601 U CN 209460601U CN 201822147278 U CN201822147278 U CN 201822147278U CN 209460601 U CN209460601 U CN 209460601U
- Authority
- CN
- China
- Prior art keywords
- ethernet
- high speed
- capacitance sensor
- communication
- 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
Abstract
The utility model provides a kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet; including main protection and several sub- protective modules; main protection includes embeded processor and connect LCD, Ethernet protocol chip stack and a variety of PORT COMs with its signal; sub- protective module includes computing unit and the digital quantity input-output unit connecting with its signal, data acquisition process unit, storage unit and communications interface unit; the control of digital quantity input-output unit connects several contactors, and data acquisition process cell signal connects several sensors；Main protection and several sub- protective modules constitute loop network structure.By high speed, ethernet communication network carries out independence networking to the utility model in real time, forms a set of perfect protection system for complicated type micro-capacitance sensor, further increases operation stability, friendly, the expansibility of micro-capacitance sensor.
Description
Technical field
The utility model belongs to micro-capacitance sensor field, more particularly, to a kind of distribution based on the communication of high speed real-time ethernet
Micro-capacitance sensor protects system.
Background technique
With the development of society, new energy industry is gradually paid attention to, it, can not be true due to the unstability of new energy
Qualitative and weather bring influences, and causes generated energy fluctuation obvious, influences the use balance of entire power grid, therefore extensive
It builds generation of electricity by new energy factory to be restricted, in this case, distributed power generation, intelligent micro-grid compensates for disadvantage mentioned above.Institute
Intelligent micro-grid is called, i.e., by electricity generation system, energy-storage system loads minor scale power net, the micro-capacitance sensor of composition, and there is high speed to adjust supply and demand for it
The features such as balance, grid-connected, off-network is switched fast.Wherein electricity generation system: wind power generating set, based on photovoltaic power generation.Energy-storage system:
Battery, based on super capacitor.Load: household electricity gas equipment, equipment of industrial product etc..
Since micro-capacitance sensor is smaller compared to its scale of construction compared with bulk power grid, and the feature that stability is poor, especially it is being detached from big electricity
In the case where net independent operating, the general safety of micro-capacitance sensor is unable to complete only according to the self-protection of generating equipment and electrical equipment,
And it being found according to the deployment characteristics of micro-capacitance sensor, most of electricity generation system distance is all that interval is farther away in each net,
The micro-capacitance sensor safeguard protection for carrying out centralization is relatively difficult for difficulty and implementation method.And micro-grid system
In due to its small scale the characteristics of, once relevant failure problems occur, movement speed and involve range all and become and fast
It is again wide.So a set of protective device or system for the relatively micro-capacitance sensor of dispersion become to be highly desirable with it is important.
Summary of the invention
In view of this, the utility model is directed to a kind of distributed micro-capacitance sensor guarantor based on the communication of high speed real-time ethernet
Protecting system, by high speed, ethernet communication network carries out independence networking in real time, is formed a set of perfect micro- for complicated type
The protection system of power grid.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet protects system, including main protection and several
Sub- protective module,
The main protection includes embeded processor and connect LCD, Ethernet protocol chip stack and more with its signal
Kind PORT COM,
The sub- protective module includes computing unit and the digital quantity input-output unit connecting with its signal, data acquisition
Processing unit, storage unit and communications interface unit, the digital quantity input-output unit control connects several contactors, described
Data acquisition process cell signal connects several sensors；
The main protection and several sub- protective modules constitute loop network structure, the son interconnected in loop network structure
Pass through high speed ethernet communication bus connection in real time, the Ethernet of main protection between the communications interface unit of protective module
By high speed, the communications interface unit of ethernet communication bus and sub- protective module communicates to connect agreement chip stack in real time.
Further, the PORT COM of the main protection include USB interface, SD card interface, Ethernet interface and
RS485 communication interface.
Further, the communications interface unit includes Ethernet interface and USB interface.
Further, the computing unit is SCM system or programmable processing device.
Compared with the existing technology, the utility model has the advantage that
(1) the utility model is particular for including a variety of new energy types in micro-capacitance sensor, and be between energy resource system interval compared with
Remote micro-grid system forms a set of perfect be directed to again by the way that ethernet communication network carries out independence networking in real time at a high speed
The protection system of miscellany type micro-capacitance sensor further increases operation stability, friendly, the expansibility of micro-capacitance sensor.Reduce micro- electricity
The influence of net failure caused by bulk power grid and micro-capacitance sensor to obtain influence to loading.
(2) by high speed, ethernet communication bus completes the interconnection between sub- protective module to the utility model in real time, makes it
From monitoring that judgement all becomes very quickly, to reduce the coverage of dependent failure inside micro-capacitance sensor, to improve as far as possible micro-
The experience of power grid client.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is that micro-capacitance sensor described in the utility model embodiment protects system group network schematic diagram；
Fig. 2 is the schematic block circuit diagram of main protection described in the utility model embodiment；
Fig. 3 is the schematic block circuit diagram of sub- protective module described in the utility model embodiment；
Fig. 4 is the software topologies figure of main protection described in the utility model embodiment.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet protects system, including main protection and several
Sub- protective module,
As shown in Fig. 2, the main protection includes embeded processor and connect LCD, Ethernet protocol with its signal
Chip stack and a variety of PORT COMs, the embeded processor select ARM Cortex-A8, and the PORT COM includes that USB connects
Mouth, SD card interface, Ethernet interface and RS485 communication interface, the RS485 communication interface essentially consist in and microgrid energy tune
Degree system is linked, and the amendment of related control strategies is completed, it is ensured that equipment operates normally；USB interface can be to internal system
The dependent failure information of storage, warning information carry out batch export, facilitate analysis and investigation of the engineer to dependent failure；It is described
LCD is used to carry out related Protection parameters setting, the work such as amendment；The SD card interface is for being inserted into SD card, for storing correlation
Device information.High speed in real time Ethernet protocol chip stack for quickly being interacted with sub- protective module, data interaction and
Transmission carries out the networking of protection network.
The software section of the main protection completes software development using (SuSE) Linux OS, and configures relevant reality
When space complete related protocol stack communication work, it is ensured that its high speed, real-time.Its main software topology includes various interfaces
Driving, user application layer, as shown in Figure 4.
As shown in figure 3, the sub- protective module includes computing unit and the digital quantity input and output list connecting with its signal
Member, data acquisition process unit, storage unit and communications interface unit, the digital quantity input-output unit control connection are several
Contactor, the data acquisition process cell signal connect several sensors；
The data acquisition process unit mainly includes Acquisition Circuit and signal processing circuit, and signal processing circuit is to acquisition
Data-signal is filtered the processing such as arrangement, compression, and stroke one meets the information data of specification, and is stored in storage unit；
The storage unit uses the SATA interface of standard, and client can reasonably select certain capacity according to the data storage capacity of oneself
Hard disk；
The communications interface unit includes Ethernet interface and USB interface, and the main transmission and export for completing data uses
The ethernet physical layer hardware of standard, and it is directed to power electronics industry specific customization communication protocol, complete quick communication requirement.
SCM system or programmable processing device, main data acquisition processing may be selected in the computing unit
Voltage, the calculating of electric current and the treatment in situ of catastrophe failure of unit input, if voltage is abnormal, electric current is abnormal to wait serious event
Barrier, this partial fault locally can determine whether simultaneously to execute on the spot, do not need to return to the main protection again；It is complete in protection work
By high speed, industry ethernet informs the main protection to Cheng Houhui in real time, it is made to modify related Preservation tactics.
The digital quantity input-output unit carries out present branch by main protection or sub- protective module transmitting order to lower levels
The breaking function of contactor, and by digital data acquisition, judge whether to be fully disconnected.
As shown in Figure 1, the main protection and several sub- protective modules constitute loop network structure, loop network structure
Pass through high speed ethernet communication bus connection in real time, main protection dress between the communications interface unit of the sub- protective module of middle interconnection
The communications interface unit of ethernet communication bus and sub- protective module is logical in real time by high speed for the Ethernet protocol chip stack set
Letter connection.
The application micro-capacitance sensor protects system to carry out network organizing using loop network structure, makes it that whole network be rapidly completed
Data transmission, and realize that a cycle runs through the data volume of all sub- protective modules, greatly improve data transmission efficiency.
The sub- protective module is distributed in each micro- source and the access point of load of micro-capacitance sensor, and is carried out by proprietary network
Connection, it is industrial Fast Ethernet communication protocol that the connection of this subnetwork, which uses,；Sub- protective module is by sensor to access
The information such as voltage, the electric current of point are acquired, and computing unit is imported into after improving, compressing, and computing unit carries out
Relevant issues and risk are judged whether there is after relevant calculation, if it find that catastrophe failure, completes wrong erroneous judgement, and pass through on the spot
Cutting is completed in contactor movement；And relevant data and information are transferred to storage unit and are saved.Correlator protective module
Relevant information is real-time transmitted to main protection, the Preservation tactics of micro-capacitance sensor entirety are completed by main protection, if is each
A power supply and load meet system Global Macros range, and complete quoting for dependent failure by communication and display, complete protection
The linkage work of system and energy scheduling system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (4)
1. a kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet protects system, it is characterised in that: including main protection
Device and several sub- protective modules,
The main protection includes embeded processor and connect LCD, Ethernet protocol chip stack and a variety of logical with its signal
Port is interrogated,
The sub- protective module includes computing unit and the digital quantity input-output unit connecting with its signal, data acquisition process
Unit, storage unit and communications interface unit, the digital quantity input-output unit control connect several contactors, the data
Acquisition process cell signal connects several sensors；
The main protection and several sub- protective modules constitute loop network structure, the son protection interconnected in loop network structure
Pass through high speed ethernet communication bus connection in real time, the Ethernet protocol of main protection between the communications interface unit of module
By high speed, the communications interface unit of ethernet communication bus and sub- protective module communicates to connect chip stack in real time.
2. a kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet according to claim 1 protects system,
Be characterized in that: the PORT COM of the main protection includes that USB interface, SD card interface, Ethernet interface and RS485 communication connect
Mouthful.
3. a kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet according to claim 1 protects system,
Be characterized in that: the communications interface unit includes Ethernet interface and USB interface.
4. a kind of distributed micro-capacitance sensor based on the communication of high speed real-time ethernet according to claim 1 protects system,
Be characterized in that: the computing unit is SCM system or programmable processing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147278.8U CN209460601U (en) | 2018-12-20 | 2018-12-20 | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822147278.8U CN209460601U (en) | 2018-12-20 | 2018-12-20 | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460601U true CN209460601U (en) | 2019-10-01 |
Family
ID=68041479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822147278.8U Active CN209460601U (en) | 2018-12-20 | 2018-12-20 | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209460601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581933A (en) * | 2018-12-20 | 2019-04-05 | 天津瑞能电气有限公司 | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet |
-
2018
- 2018-12-20 CN CN201822147278.8U patent/CN209460601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581933A (en) * | 2018-12-20 | 2019-04-05 | 天津瑞能电气有限公司 | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207636653U (en) | A kind of intelligent electric meter with the automatic monitoring function of fault remote | |
| CN105281435A (en) | Intelligent distribution network oriented distribution type fault detection and isolation system and working method | |
| CN103178617B (en) | Power grid operation state monitoring and analyzing system and method for power system | |
| CN102255330A (en) | Device and method for detecting island of micro power grid system | |
| CN105554012B (en) | A kind of EtherCAT slave station based on DSP turns the communication unit of Canopen main website | |
| CN103926896A (en) | Underground explosive-proof power source monitoring system and method based on network | |
| CN103296750B (en) | Apparatus and method for correcting error of acquired data | |
| CN108667005A (en) | A kind of quiet dynamic bind vulnerability assessment method of power grid counted and new energy influences | |
| CN113169708A (en) | Solar power generation balance control system and method | |
| CN103592531B (en) | A kind of parameter detection method of wind energy turbine set static reacance generator and system | |
| Chopade et al. | Structural and functional vulnerability analysis for survivability of Smart Grid and SCADA network under severe emergencies and WMD attacks | |
| CN209460601U (en) | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet | |
| CN205622328U (en) | Join in marriage power system fault online intelligent diagnostic system | |
| CN104485748A (en) | System and method for monitoring UPS of transformer substation | |
| CN104578419B (en) | A kind of transformer substation communication power supply monitoring system and method | |
| CN109067871A (en) | A kind of ubiquitous intelligent cloud framework of electric power | |
| CN103699004B (en) | Based on automatic transfer switching electric appliance control system and the control method of parallel function | |
| CN104505947A (en) | Transformer substation direct current power supply monitoring system and transformer substation direct current power supply monitoring method | |
| CN108509751B (en) | Dynamic modeling method for power information physical coupling system considering delay matrix | |
| CN203552029U (en) | Microgrid control system based on distributed controllers | |
| CN108599370A (en) | Power distribution automation main station apparatus and system | |
| CN104267284A (en) | One-click cooperative testing and detecting method and device for stability control system | |
| CN109581933A (en) | A kind of distributed micro-capacitance sensor protection system based on the communication of high speed real-time ethernet | |
| CN107169644A (en) | A kind of power distribution network safe operation management-control method | |
| Lu et al. | Research on Intelligent Power Management and Control Technology of Electric Vehicle Based on Edge Computing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211105 Address after: 300308 100 Hangtian Road, Airport Economic Zone, Binhai New Area, Tianjin Patentee after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd. Address before: No.1 Xinghua No.7 Branch Road, economic development zone, Xiqing District, Tianjin Patentee before: Tianjin Ruineng electric Co.,LTD. |
|
| TR01 | Transfer of patent right |