CN217642872U - Intelligent station terminal DTU distribution network system - Google Patents
Intelligent station terminal DTU distribution network system Download PDFInfo
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- CN217642872U CN217642872U CN202221741699.3U CN202221741699U CN217642872U CN 217642872 U CN217642872 U CN 217642872U CN 202221741699 U CN202221741699 U CN 202221741699U CN 217642872 U CN217642872 U CN 217642872U
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Abstract
The utility model relates to a distribution network automation technical field specifically is an intelligent station terminal DTU distribution network system, include CPU plug-in components, power plug-in components, open into plug-in components, export plug-in components, communication plug-in components and exchange plug-in components and direct current plug-in components, CPU plug-in components include communication CPU module, measure the CPU module, open into CPU module and export CPU module four modules altogether, and four modules all adopt solitary CPU treater to manage, and four modules pass through bus connection, and the quantity of CPU treater is total four, the input of CPU plug-in components is connected with power plug-in components's output. The utility model has the advantages of: the problem that the DTU based on the station terminal has common technical defects is solved, the overall performance of the DTU can be improved, and the problem that express delivery can not be removed due to plug-in faults on site can be greatly solved; the field upgrading can be realized, and the flexible expansion can be realized; in addition, the field temporary equipment is quickly accessed; 4. it is convenient to add a plurality of master stations or substations.
Description
Technical Field
The utility model relates to a distribution network automation technical field, especially an intelligent station terminal DTU distribution network system.
Background
The station terminal DTU is an intelligent terminal product of a distribution network automation system, can be matched with a distribution network automation main station system and a distribution network automation sub-station system, realizes the collection and control of the electric quantity of a plurality of lines, detects faults, locates and isolates fault areas, recovers power supply in non-fault areas, and improves the reliability of power supply.
The DTU is a cabinet device with secondary fusion, and the core part of the DTU is a core unit of the DTU. The number of the DTU core units which are opened and closed is certain, so that the flexible requirements of a field can not be met, for example, the field distribution room is upgraded, and new interval state quantity can not be expanded; states of other field equipment and acquired data cannot be accessed into the DTU; the technical problem of simultaneous communication of a plurality of main stations or sub-stations; when a certain interval is abnormal in sampling, a standby interval is not available, and the fault phenomenon cannot be solved in an express way.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an intelligent station terminal DTU distribution network system.
The purpose of the utility model is realized through the following technical scheme: the utility model provides an intelligent station terminal DTU distribution network system, includes CPU plug-in components, power plug-in components, opens into plug-in components, export plug-in components, communication plug-in components and exchanges plug-in components and direct current plug-in components, the CPU plug-in components include communication CPU module, measure the CPU module, open into CPU module and export CPU module totally four modules, and four modules all adopt solitary CPU treater to manage, and four modules pass through bus connection, and the quantity of CPU treater is four totally, the input of CPU plug-in components is connected with the output of power plug-in components, and the input of power plug-in components is provided by the battery, provides the guarantee for DTU normal work, it all passes through the integrated circuit board plug-in components and is connected with CPU plug-in components to open into plug-in components, export plug-in components, communication plug-in components and exchange plug-in components and direct current plug-in components.
Preferably, the CPU plug-in is respectively connected with a microcomputer protection device, a line loss device, a measurement and control instrument and a distribution network terminal device through a communication plug-in.
Preferably, the open plug-in is controlled by an open CPU module.
By adopting the technical scheme, the plug-in unit of the DTU core unit supports hot plug.
Preferably, the outlet plug-in is controlled by an outlet CPU module.
By adopting the technical scheme, the outlet plug-in unit also supports hot plug.
Preferably, the communication plug-in is controlled by a communication CPU module.
By adopting the technical scheme, the communication plug-in supports serial port and internet access communication, and can expand wireless communication.
Preferably, the alternating current plug-in and the direct current plug-in are controlled by a measurement CPU module.
By adopting the technical scheme, hot plugging is supported, and the acquisition of the telemetering amount of each interval is realized.
Preferably, the communication CPU adopts a linux kernel.
By adopting the technical scheme, the system is compatible with various uplink and downlink protocol modes, such as standard distribution networks 104, 101, modbus, IEC103, CDT, DLT645 and the like, communication threads among serial ports and network ports are mutually independent, and the system can be accessed to field temporary devices such as a microcomputer protection device, line loss equipment, a measurement and control instrument, distribution network terminal equipment and the like through the configuration of a database, and uplink and downlink equipment data are uploaded to a main station in real time.
The utility model has the advantages of it is following:
the intelligent station terminal DTU distribution network system solves the common technical defects of the station terminal DTU, can improve the overall performance of the DTU, and can greatly solve the problem that express delivery can not be cut off due to plug-in faults on site; the field upgrading can be realized, and the flexible expansion can be realized; in addition, the field temporary equipment is quickly accessed; 4. and a plurality of main stations or sub-stations are conveniently added.
Drawings
FIG. 1 is a system diagram of the present invention;
fig. 2 is a working principle diagram of the plug-in unit of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-2, an intelligent station terminal DTU distribution network system includes a CPU plug-in, a power plug-in, an open plug-in, an exit plug-in, a communication plug-in, an ac plug-in, and a dc plug-in, where the CPU plug-in includes four modules, including a communication CPU module, a measurement CPU module, an open CPU module, and an exit CPU module, all of which are managed by separate CPU processors, and the four modules are connected by a bus, the number of the CPU processors is four, the input end of the CPU plug-in is connected with the output end of the power plug-in, the open plug-in, the exit plug-in, the communication plug-in, the ac plug-in, and the dc plug-in are all connected with the CPU plug-in by board cards, the CPU plug-in adopts four CPU processors, which manage the communication CPU module, the measurement CPU module, the open CPU module, and the exit CPU module, respectively, and are connected by buses, and do not cooperate with each other, and the plug-in are independent from each other, and constitute a complete DTU device by plug-in, thereby realizing functions of basic three-in, communication, fault protection, logic analysis functions.
As an optimal technical scheme of the utility model, the CPU plug-in components are connected with computer protection device, line loss equipment, measurement and control instrument, distribution network terminal equipment respectively through the communication plug-in components.
As an optimal technical scheme of the utility model, opening plug-in components and controlling by opening into the CPU module, opening plug-in components and supporting the hot plug of DTU core unit.
As an optimal technical scheme of the utility model, export plug-in components are controlled by export CPU module, and export plug-in components support the hot plug equally.
As a preferred technical scheme of the utility model, the communication plug-in components are controlled by communication CPU module, and the communication plug-in components support serial ports, net gape communication, expanded wireless communication.
As an optimal technical scheme of the utility model, exchange plug-in components and direct current plug-in components and control the hot plug that supports by measuring the CPU module, realize each spaced telemetering measurement collection.
As a preferred technical scheme of the utility model, it possesses the nimble configuration function to open into the plug-in components, and other plug-in components theory of operation is the same with opening into the plug-in components, as show in the attached figure 2 of description.
As an optimized technical scheme of the utility model, communication CPU adopts linux kernel, compatible multiple uplink and downlink stipulation mode, join in marriage net 104, 101, modbus, IEC103, CDT, DLT645 etc. like the standard, each serial ports, the communication thread mutual independence between the net gape, the configuration of accessible database realizes inserting computer protection device, line loss equipment, the measurement and control instrument, join in scene temporary device such as net terminal equipment, and upload to the main website down equipment data in real time, DTU core unit passes through ethernet and main website real-time communication, realize the increase and decrease of service thread through the system configuration storehouse, can realize 8 simultaneous dispatches of main website at utmost, and mutual noninterference.
The system comprises an input plug-in module, an output plug-in module and an alternating current plug-in module, wherein the input plug-in module, the output plug-in module and the alternating current plug-in module have self-adaptive and flexible configuration functions, and the principle is that hardware identification is combined with software channel configuration, and the hardware fault of a certain plug-in module on site is rapidly solved through the software channel configuration; the number of field openings and exits can be rapidly expanded.
In summary, the intelligent station terminal DTU distribution network system solves the common technical defects of the station terminal DTU, can improve the overall performance of the DTU, and can greatly solve the problem that express delivery can not be removed due to plug-in faults on site; the field upgrading can be flexibly expanded to be opened and closed; in addition, the field temporary equipment is quickly accessed; 4. it is convenient to add a plurality of master stations or substations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an intelligent station terminal DTU distribution network system which characterized in that: including CPU plug-in components, power plug-in components, open into plug-in components, export plug-in components, communication plug-in components and exchange plug-in components and direct current plug-in components, CPU plug-in components include communication CPU module, measure CPU module, open into CPU module and export CPU module four modules altogether, and four modules all adopt solitary CPU treater to manage, and four modules pass through bus connection, and the total four of quantity of CPU treater, the input of CPU plug-in components is connected with the output of power plug-in components, open into plug-in components, export plug-in components, communication plug-in components and exchange plug-in components and direct current plug-in components all pass through integrated circuit board plug-in connection with CPU plug-in components.
2. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the CPU plug-in is respectively connected with a microcomputer protection device, a line loss device, a measurement and control instrument and a distribution network terminal device through a communication plug-in.
3. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the opening plug-in is controlled by an opening CPU module.
4. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the outlet plug-in is controlled by an outlet CPU module.
5. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the communication plug-in is controlled by a communication CPU module.
6. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the alternating current plug-in and the direct current plug-in are controlled by a measurement CPU module.
7. The DTU distribution network system of the intelligent station terminal of claim 1, wherein: the communication CPU adopts a linux inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741699.3U CN217642872U (en) | 2022-07-06 | 2022-07-06 | Intelligent station terminal DTU distribution network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741699.3U CN217642872U (en) | 2022-07-06 | 2022-07-06 | Intelligent station terminal DTU distribution network system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642872U true CN217642872U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221741699.3U Active CN217642872U (en) | 2022-07-06 | 2022-07-06 | Intelligent station terminal DTU distribution network system |
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| CN (1) | CN217642872U (en) |
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2022
- 2022-07-06 CN CN202221741699.3U patent/CN217642872U/en active Active
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