CN205646786U - Dual -core processor joins in marriage net twine way computer protection device - Google Patents
Dual -core processor joins in marriage net twine way computer protection device Download PDFInfo
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- CN205646786U CN205646786U CN201620367279.1U CN201620367279U CN205646786U CN 205646786 U CN205646786 U CN 205646786U CN 201620367279 U CN201620367279 U CN 201620367279U CN 205646786 U CN205646786 U CN 205646786U
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Abstract
The utility model provides a dual -core processor joins in marriage net twine way computer protection device, includes: LCD display element, the button, voltage detection unit, the current detection unit, switching value input unit, the switch quantity output unit, DSP data processor, two port RAM, the MCU protection logic treater, ethernet communication interface, CAN communication interface, RS 485 communication interface, RS 232 communication interface, the system power supply unit, utilize the various calculation measurement function s of DSP chip to the quick fourier computing power realization overload protection device of data, utilize the control of general MCU chip to data processing's flexibility realization overload protection device, the man -machine dialogue, communication function, DSP data processor and MCU protection logic treater are displayed one's respective advantages and are shared out the work and helped one another, improve the data -handling capacity and the functioning speed of device. Choose different communication mode for use according to difference communication object, enlarge the compatibility of device range of application and each system of improvement, make things convenient for management and maintenance among the electric power system, realize the protective monitoring integration.
Description
Technical field:
This utility model relates to a kind of microcomputer protector of electric power system, a kind of dual core processor
Distribution line microcomputer protecting device.
Background technology:
Along with the development of social production, on the one hand due to yield and the increase of power consumption in commercial Application,
Claimed differential increasingly refining, adjusting of old-fashioned traditional electromechanical protective relay is loaded down with trivial details, smart
Spend low, serious by variation of ambient temperature and electromagnetic interference, malfunction tripping may be produced, even bypass the immediate leadership
Trip accident.On the other hand, along with intelligent grid and the development of power distribution automation level, conventional measurement is protected
Device and intelligent breaker, unconventional transformer and the network of second interface equipment in intelligent substation
Equipment can not interconnect, poor compatibility and function singleness, causes individual equipment to there is multiple protection device,
Inconvenient operation maintenance and management.From the point of view of microcomputer protective relay development trend, use 32 Microcomputer Protections
Device and novel reliable protection algorism are following developing direction, and the data-handling capacity of device is carried by this
Strict requirements are gone out.This utility model, for above-mentioned application background and requirement, devises at a kind of double-core
The distribution line microcomputer protecting device of reason device, utilizes dsp chip real to the fast Fourier computing capability of data
The various computation and measurement functions of existing protective relaying device, utilize the motility that data are processed by general MCU chip
Realize the control of protective relaying device, human computer conversation, communication function.Rely at powerful rapid data
Reason ability, it is possible to realize multi-protective function and have plurality of communication schemes, has intellectuality and compatibility
Advantages of higher.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of dual core processor
Distribution line microcomputer protecting device, it utilizes dsp chip to realize the fast Fourier computing capability of data
The various computation and measurement functions of protective relaying device, the motility utilizing general MCU chip to process data is real
The existing control of protective relaying device, human computer conversation, communication function are intelligent high, compatible strong.
Technical problem to be solved in the utility model realizes by the following technical solutions.
A kind of distribution line microcomputer protecting device of dual core processor, it is characterised in that: it includes: LCD shows
Show that unit (1), button (2), voltage detection unit (3), current detecting unit (4), switching value are defeated
Enter unit (5), switch amount output unit (6), DSP data processor (7), dual port RAM (8), MCU
Relay protective scheme processor (9), ethernet communication interface (10), CAN communication interface (11), RS-485 are logical
Communication interface (12), RS-232 communication interface (13), power pack (14)；
DSP data processor (7), dual port RAM (8) and MCU relay protective scheme processor (9) constitute described
The CPU control unit of microcomputer protecting device, DSP data processor (7) is responsible for data and is processed and protection algorism
And the data processed are sent in dual port RAM (8), MCU relay protective scheme processor (9) is responsible for communication
Control, man-machine interface, logout, failure wave-recording etc., obtain through DSP from dual port RAM (8)
The voltage x current data that data processor (7) processed, determine according to the setting valve set and protection philosophy
The output of switching value；
Ethernet communication interface (10), CAN communication interface (11), RS-485 communication interface (12) and RS-232
Communication interface (13) constitutes the communication unit of described microcomputer protecting device, according to different occasions with communicate right
As selecting different communication mode, it is ensured that the data communication of device is compatible；
LCD display unit (1) and button (2) constitute the man-machine interaction unit of described microcomputer protecting device,
Display unit uses LCD, shows the survey of real-time time, phase voltage, phase current and frequency when properly functioning
Value, various On-off signal state, the state of output switch amount, input block uses button form,
Have employed 16 buttons and include 10 numeral keys, 6 menu function keys, be primarily used to menu ejection,
Selecting and perform, setting setting valve, light target moves, query function.
The kernel control chip of DSP data processor (7) is that TMS320F28335, MCU relay protective scheme processes
The kernel control chip of device (9) is STM32F103, and dual port RAM (8) uses CY7C025AV chip.
The utility model has the advantage of: use the Microcomputer Protection framework of DSP+MCU dual processor, fully profit
By DSP efficient data processing ability and the powerful control function of MCU, it is achieved the fast Fourier to data
Calculate and various protection algorism, improve precision and the reliability of microcomputer protecting device.Meanwhile, this device capsule
Include the common communication mode in current Industry Control, there is multiple communication interface, meet distribution automation
Development trend, there is wide applicability and powerful compatibility.
Accompanying drawing illustrates:
Fig. 1 is the structure chart of this utility model device；
Fig. 2 is that the protection output of this utility model device performs flow chart；
Fig. 3 is the execution flow chart of DSP data processor；
Fig. 4 is that MCU relay protective scheme processor performs flow chart.
Detailed description of the invention:
For the technological means making this utility model realize, creation characteristic, reach purpose and be prone to bright with effect
White understanding, below in conjunction with being specifically illustrating, is expanded on further this utility model.
The distribution line microcomputer protecting device of a kind of dual core processor as shown in Figure 1, it includes: LCD shows
Show that unit (1), button (2), voltage detection unit (3), current detecting unit (4), switching value are defeated
Enter unit (5), switch amount output unit (6), DSP data processor (7), dual port RAM (8), MCU
Relay protective scheme processor (9), ethernet communication interface (10), CAN communication interface (11), RS-485 are logical
Communication interface (12), RS-232 communication interface (13), power pack (14)；
DSP data processor (7), dual port RAM (8) and MCU relay protective scheme processor (9) constitute described
The CPU control unit of microcomputer protecting device, DSP data processor (7) is responsible for data and is processed and protection algorism
And the data processed are sent in dual port RAM (8), MCU relay protective scheme processor (9) is responsible for communication
Control, man-machine interface, logout, failure wave-recording etc., obtain through DSP from dual port RAM (8)
The voltage x current data that data processor (7) processed, determine according to the setting valve set and protection philosophy
The output of switching value；
Ethernet communication interface (10), CAN communication interface (11), RS-485 communication interface (12) and RS-232
Communication interface (13) constitutes the communication unit of described microcomputer protecting device, according to different occasions with communicate right
As selecting different communication mode, it is ensured that the data communication of device is compatible；
LCD display unit (1) and button (2) constitute the man-machine interaction unit of described microcomputer protecting device,
Display unit uses LCD, shows the survey of real-time time, phase voltage, phase current and frequency when properly functioning
Value, various On-off signal state, the state of output switch amount, input block uses button form,
Have employed 16 buttons and include 10 numeral keys, 6 menu function keys, be primarily used to menu ejection,
Selecting and perform, setting setting valve, light target moves, query function；
The kernel control chip of DSP data processor (7) is that TMS320F28335, MCU relay protective scheme processes
The kernel control chip of device (9) is STM32F103, and dual port RAM (8) uses CY7C025AV chip.
Detailed description of the invention one: in present embodiment, in conjunction with Fig. 2, illustrates that this utility model unit protection is patrolled
Collect the execution flow process of output.Upon power-up of the system, first dual core processor carries out the initialization of module, depends on
Secondary various peripheral hardwares are initialized, store after then DSP reads various information of adjusting from dual port RAM,
Proceed by the sampling work of input AC amount after completing various initialization, obtain after sampled data according to choosing
The algorithm selected calculates the numerical value of various electric parameter and wants to carry out protection act with setting valve contrast judgement
Output, is finally stored in calculated various data in dual port RAM the display carrying out information for MCU
Process and outside data communication is used.MCU reads from dual port RAM and sets according to on-site actual situations
Setting parameter, by sample calculated each electric parameter compare with the setting valve of setting, once occur
Measured value exceedes the situation of setting valve, is immediately performed protection output function, completes various corresponding protection and arranges
Execute such as cut-out, warning etc..
Detailed description of the invention two: in present embodiment, in conjunction with Fig. 3 Fig. 4, illustrates in this utility model device
The execution flow process of dual core processor.Fig. 3 show the execution flow chart of DSP data processor, by gathering
Voltage detection unit and the data of current detecting unit, according to the algorithm that different protected species are corresponding, to adopting
The data of collection quickly process, and the parameter and the judgment basis that obtain compare, it is judged that with or without event occurs
Barrier, if the i.e. switch amount output signal that breaks down processes, and by result by dual port RAM and
MCU carries out data exchange.Fig. 4 show MCU relay protective scheme processor and performs flow chart, and compare DSP
The unicity that data process only is responsible for by data processor, and MCU performs more work, defeated including relay protective scheme
Go out, show that operational factor, man-machine keyboard mutuality and data communication select.Upon power-up of the system, MCU
Start initial work, various peripheral hardwares are initialized, show welcome interface after LCD is initialized, complete
With dual port RAM communication after initialization, various data information memory in dual port RAM for DSP data at
Reason uses.Proceed by the process of keystroke handling and display process, process according to set flow process display
The data message obtained, completes and outside data communication.
Of the present utility model ultimate principle, principal character and of the present utility model excellent have more than been shown and described
Point.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-mentioned
Principle of the present utility model is simply described, without departing from this utility model described in embodiment and description
On the premise of spirit and scope, this utility model also has various changes and modifications, these changes and improvements
In the range of both falling within claimed this utility model.This utility model claims scope by appended power
Profit claim and equivalent thereof define.
Claims (2)
1. the distribution line microcomputer protecting device of a dual core processor, it is characterised in that: it includes:
LCD display unit (1), button (2), voltage detection unit (3), current detecting unit (4), switch
Amount input block (5), switch amount output unit (6), DSP data processor (7), dual port RAM (8),
MCU relay protective scheme processor (9), ethernet communication interface (10), CAN communication interface (11), RS-485
Communication interface (12), RS-232 communication interface (13), power pack (14)；
DSP data processor (7), dual port RAM (8) and MCU relay protective scheme processor (9) constitute described
The CPU control unit of microcomputer protecting device, DSP data processor (7) is responsible for data and is processed and protection algorism
And the data processed are sent in dual port RAM (8), MCU relay protective scheme processor (9) is responsible for communication
Control, man-machine interface, logout, failure wave-recording, obtain through DSP number from dual port RAM (8)
The voltage x current data processed according to processor (7), determine to open according to the setting valve set and protection philosophy
The output of pass amount；
Ethernet communication interface (10), CAN communication interface (11), RS-485 communication interface (12) and RS-232
Communication interface (13) constitutes the communication unit of described microcomputer protecting device, according to different occasions with communicate right
As selecting different communication mode, it is ensured that the data communication of device is compatible；
LCD display unit (1) and button (2) constitute the man-machine interaction unit of described microcomputer protecting device,
Display unit uses LCD, shows the survey of real-time time, phase voltage, phase current and frequency when properly functioning
Value, various On-off signal state, the state of output switch amount, input block uses button form,
Have employed 16 buttons and include 10 numeral keys, 6 menu function keys, be primarily used to menu ejection,
Selecting and perform, setting setting valve, light target moves, query function.
The distribution line microcomputer protecting device of a kind of dual core processor the most according to claim 1, its
It is characterised by: the kernel control chip of described DSP data processor (7) is TMS320F28335, MCU
The kernel control chip of relay protective scheme processor (9) is STM32F103, and dual port RAM (8) uses CY7C025AV
Chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367279.1U CN205646786U (en) | 2016-04-26 | 2016-04-26 | Dual -core processor joins in marriage net twine way computer protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367279.1U CN205646786U (en) | 2016-04-26 | 2016-04-26 | Dual -core processor joins in marriage net twine way computer protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646786U true CN205646786U (en) | 2016-10-12 |
Family
ID=57061556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620367279.1U Expired - Fee Related CN205646786U (en) | 2016-04-26 | 2016-04-26 | Dual -core processor joins in marriage net twine way computer protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205646786U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412784A (en) * | 2018-03-02 | 2018-08-17 | 青岛石化检修安装工程有限责任公司 | A kind of group of pump state on_line monitoring system |
| CN109494884A (en) * | 2019-01-07 | 2019-03-19 | 江苏国网自控科技股份有限公司 | A kind of multifunction protection control system and its control method prescribed a time limit to code remote control |
-
2016
- 2016-04-26 CN CN201620367279.1U patent/CN205646786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412784A (en) * | 2018-03-02 | 2018-08-17 | 青岛石化检修安装工程有限责任公司 | A kind of group of pump state on_line monitoring system |
| CN109494884A (en) * | 2019-01-07 | 2019-03-19 | 江苏国网自控科技股份有限公司 | A kind of multifunction protection control system and its control method prescribed a time limit to code remote control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |