CN208401628U - A kind of protective relaying device based on controller LAN - Google Patents
A kind of protective relaying device based on controller LAN Download PDFInfo
- Publication number
- CN208401628U CN208401628U CN201821088850.1U CN201821088850U CN208401628U CN 208401628 U CN208401628 U CN 208401628U CN 201821088850 U CN201821088850 U CN 201821088850U CN 208401628 U CN208401628 U CN 208401628U
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- Prior art keywords
- cpu
- plug
- relaying device
- protective relaying
- controller lan
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Emergency Protection Circuit Devices (AREA)
- Small-Scale Networks (AREA)
Abstract
The utility model discloses a kind of protective relaying device based on controller LAN; it includes the master cpu for computational discrimination and multiple plug-in unit CPU for intake acquisition and the amount of outputing output; each plug-in unit CPU uses CAN bus to communicate between master cpu, and master cpu is communicated realization with each plug-in unit CPU by CAN bus communication protocol and opens signal in field application into monitoring and control output.The utility model uses multi-CPU structure based on the protective relaying device of controller LAN; each plug-in unit CPU is distributed on each function module circuit plate; each plug-in unit CPU uses CAN bus to communicate between master cpu; compared with existing ethernet communication and existing serial communication; both simplify wiring; communication line is saved, and improves communication speed, enhances system reliability.
Description
Technical field
The utility model relates to electrical equipment technical field more particularly to a kind of relay protections based on controller LAN
Device.
Background technique
Prevent in overstepping protection supervisory equipment at present, each plug-in unit by more I/O signal wires using din connector with
The I/O pin of mainboard MCU connects, and the unreliable problem of connection is had after and plug-in unit plug number complicated there are signal wire is excessive.
Therefore, the prior art needs further to develop.
Utility model content
In view of the above technical problems, the utility model embodiment provides a kind of relay protection based on controller LAN
Device, scheme are as follows:
A kind of protective relaying device based on controller LAN, wherein including the master cpu and use for computational discrimination
In multiple plug-in unit CPU of intake acquisition and the amount of outputing output, each plug-in unit CPU uses CAN bus to communicate between master cpu, main
Control CPU communicated by CAN bus communication protocol with each plug-in unit CPU realize to signal in field application open into monitoring and control it is defeated
Out.
The protective relaying device based on controller LAN, wherein the master cpu is set to main circuit board
On, master cpu includes the DSP digital signal processing chip and ARM microcontroller chip for being in communication with each other connection, multiple plug-in unit CPU
It is connect by CAN bus with ARM microcontroller chip.
The protective relaying device based on controller LAN, wherein the protective device includes for electrically connecting
The motherboard with signal distribution is connect, multiple plug-in unit CPU are communicated to connect by motherboard and master cpu.
The protective relaying device based on controller LAN, wherein be provided with din connector on the motherboard.
The protective relaying device based on controller LAN, wherein multiple plug-in unit CPU are respectively arranged at corresponding
On plug in circuit card, intake acquisition contact and the amount of outputing output contact are respectively provided on each plug in circuit card.
The protective relaying device based on controller LAN, wherein the protective device further includes man-machine interface
CPU, man-machine interface CPU are set on corresponding man-machine interface circuit plate, be respectively arranged on man-machine interface circuit plate keyboard and
LCD panel junction, man-machine interface CPU communicate to connect master cpu using CAN bus by motherboard.
The protective relaying device based on controller LAN, wherein the plug in circuit card and man-machine interface electricity
MCU, plug-in unit CPU and man-machine interface CPU are respectively configured on the plate of road to be integrated in corresponding MCU.
The utility model has the advantages that the utility model uses multi-CPU structure, each plug-in unit based on the protective relaying device of controller LAN
CPU is distributed on each function module circuit plate, and each plug-in unit CPU uses CAN bus to communicate between master cpu, with existing ether
Network Communication and existing serial communication are compared, and wiring is both simplified, and are saved communication line, and are improved communication speed, are enhanced and are
System reliability.
Detailed description of the invention
Fig. 1 is the hardware configuration of protective relaying device of the utility model based on controller LAN in specific embodiment
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those skilled in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that be expressed " being fixed on " another element when element, it can directly on the other element,
Or there may be one or more elements placed in the middle therebetween.When an element is expressed " connection " another element, it can be with
It is directly to another element or there may be one or more elements placed in the middle therebetween.Used in this specification
The orientation or position of the instructions such as term "vertical", "horizontal", "left" and "right", "upper", "lower", "inner", "outside", " bottom "
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.In addition, sheet disclosed below
Technical characteristic involved in utility model different embodiments can be combined with each other as long as they do not conflict with each other.
A kind of protective relaying device based on controller LAN provided by the utility model, wherein as shown in Figure 1, packet
Include for computational discrimination master cpu and for intake acquisition and the amount of outputing output multiple plug-in unit CPU, each plug-in unit CPU with
It is communicated between master cpu using CAN bus, master cpu communicates realization with each plug-in unit CPU to scene by CAN bus communication protocol
Signal is opened in exports into monitoring and control.
Specifically, the master cpu is set on main circuit board, master cpu includes the DSP number letter for being in communication with each other connection
Number processing chip and ARM microcontroller chip, multiple plug-in unit CPU are connect by CAN bus with ARM microcontroller chip.DSP number
Signal processing chip is connected with ARM microcontroller chip by CPLD device, in addition, AD signal conversion chip is also by CPLD device
Part is connect with DSP digital signal processing chip.
In specific embodiment, the protective device includes the motherboard for being electrically connected and signal distributes, multiple plug-in unit CPU
It is communicated to connect by motherboard and master cpu, wherein DIN (Europlug) connector is provided on the motherboard.
Further, multiple plug-in unit CPU are respectively arranged on corresponding plug in circuit card, are respectively provided on each plug in circuit card
Intake acquires contact and the amount of outputing output contact.It is preferred that the protective device further includes man-machine interface CPU, human-machine interface
Mouth CPU is set on corresponding man-machine interface circuit plate, is respectively arranged with keyboard and LCD panel on man-machine interface circuit plate
Junction, man-machine interface CPU communicate to connect master cpu using CAN bus by motherboard.I.e. in preferred embodiment, this is practical
Totally 7 pieces of circuit boards, motherboard are responsible for electrical connection and the letter of system inside the novel protective relaying device based on controller LAN
Number distribution.Whole system is made of 5 pieces of CPU, and wherein DSP digital signal processor chip and ARM microcontroller chip are located at master
On plate, CPU on 3 pieces of circuit boards such as other man-machine interface (display board), chip card 2 (A plug-in unit), chip card 1 (B plug-in unit)
It interconnected, communicated with mainboard CPU again by motherboard.
In another preferred embodiment, MCU, plug-in unit CPU are respectively configured on the plug in circuit card and man-machine interface circuit plate
It is integrated in corresponding MCU with man-machine interface CPU.Master cpu is communicated by CAN bus communication protocol with CPU on each plug-in unit
It can be realized to open signal in field application and be exported into monitoring and control.Based on above-mentioned technological means, protective device can be in reality
A large amount of switching values such as the position to switch disconnector, state are needed to carry out signal monitoring and control outlet in the engineer application of border.
The utility model uses multi-CPU structure based on the protective relaying device of controller LAN, and each plug-in unit CPU is distributed in
On each function module circuit plate, each plug-in unit CPU uses CAN bus to communicate between master cpu, with existing ethernet communication and now
Some serial communications are compared, and wiring is both simplified, and are saved communication line, and improve communication speed, are enhanced system reliability.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The utility model design is subject to equivalent substitution or change, and all these changes or replacement all should belong to appended by the utility model
Scope of protection of the claims.
Claims (7)
1. a kind of protective relaying device based on controller LAN, which is characterized in that including the master cpu for computational discrimination
It is logical using CAN bus between each plug-in unit CPU and master cpu with multiple plug-in unit CPU for intake acquisition and the amount of outputing output
Letter, master cpu are communicated realization with each plug-in unit CPU by CAN bus communication protocol and open signal in field application into monitoring and control
System output.
2. the protective relaying device according to claim 1 based on controller LAN, which is characterized in that the master control
CPU is set on main circuit board, and master cpu includes the DSP digital signal processing chip and ARM microcontroller for being in communication with each other connection
Chip, multiple plug-in unit CPU are connect by CAN bus with ARM microcontroller chip.
3. the protective relaying device according to claim 2 based on controller LAN, which is characterized in that the protection dress
It sets including the motherboard for being electrically connected and signal distributes, multiple plug-in unit CPU are communicated to connect by motherboard and master cpu.
4. the protective relaying device according to claim 3 based on controller LAN, which is characterized in that on the motherboard
It is provided with din connector.
5. the protective relaying device according to claim 3 based on controller LAN, which is characterized in that multiple plug-in units
CPU is respectively arranged on corresponding plug in circuit card, and intake acquisition contact is respectively provided on each plug in circuit card and the amount of outputing is defeated
Contact out.
6. the protective relaying device according to claim 5 based on controller LAN, which is characterized in that the protection dress
Setting further includes man-machine interface CPU, and man-machine interface CPU is set on corresponding man-machine interface circuit plate, on man-machine interface circuit plate
It is respectively arranged with keyboard and LCD panel junction, man-machine interface CPU communicates to connect master control using CAN bus by motherboard
CPU。
7. the protective relaying device according to claim 6 based on controller LAN, which is characterized in that the plug-in unit electricity
MCU, plug-in unit CPU and man-machine interface CPU are respectively configured on road plate and man-machine interface circuit plate to be integrated in corresponding MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088850.1U CN208401628U (en) | 2018-07-10 | 2018-07-10 | A kind of protective relaying device based on controller LAN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821088850.1U CN208401628U (en) | 2018-07-10 | 2018-07-10 | A kind of protective relaying device based on controller LAN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208401628U true CN208401628U (en) | 2019-01-18 |
Family
ID=65130131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821088850.1U Active CN208401628U (en) | 2018-07-10 | 2018-07-10 | A kind of protective relaying device based on controller LAN |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208401628U (en) |
-
2018
- 2018-07-10 CN CN201821088850.1U patent/CN208401628U/en active Active
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