CN203225000U - Communication circuit of power system - Google Patents
Communication circuit of power system Download PDFInfo
- Publication number
- CN203225000U CN203225000U CN 201320180046 CN201320180046U CN203225000U CN 203225000 U CN203225000 U CN 203225000U CN 201320180046 CN201320180046 CN 201320180046 CN 201320180046 U CN201320180046 U CN 201320180046U CN 203225000 U CN203225000 U CN 203225000U
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- Prior art keywords
- communication
- interface chip
- communication interface
- power system
- device port
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- 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.)
- Expired - Fee Related
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- 238000004891 communication Methods 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a communication circuit of a power system, and solves the problem that the communication layer circuit of the existing power system is easy to be overheated under condition of multipoint interconnection and multiple loads to affect transmission of communication signals. The communication circuit comprises a central control unit (1) connected with a communication interface chip (3) through a photoisolator (2), wherein the communication interface chip (3) is connected with a device port (4), and a thermistor (5) is connected in series between the communication interface chip (3) and the device port (4). According to the circuit disclosed by the utility model, the thermistor element is connected in series between the communication interface chip and the device port to ensure reliable communication under condition of multipoint interconnection and multiple loads.
Description
Technical field
A kind of telecommunication circuit of the utility model, the particularly employed telecommunication circuit of a kind of communication of power system layer.
Background technology
At present, power communication system is divided into the three-decker of main website layer, Communication Layer and wall usually in electric system, and communication layers wherein is the indispensable important component part of electric system, and it mainly is to be the electrical production service.It is overheated that the communication layers circuit of existing electric system is easy to generate under multi-point interconnection and multi-load situation, influences communication signal transmission.
Summary of the invention
The utility model provides a kind of communication of power system layer employed telecommunication circuit, and it is overheated that the communication layers circuit that has solved existing electric system is easy to generate under multi-point interconnection and multi-load situation, influences the problem of signal of communication transmission.
The utility model is to solve above technical matters by the following technical programs:
A kind of communication of power system circuit comprises central control unit, and central control unit is connected with communication interface chip by photoisolator, and communication interface chip is connected with device port, is in series with thermistor between communication interface chip and device port.
The utility model can arrange the storer of Man Machine Interface, storage program and data by central control unit, sets up the processor of corresponding electric power system model according to pre-modeling instruction, simplifies modeling process.
The utility model is connected in series thermistor element between communication interface chip and device port, guaranteeing can reliable communication under multi-point interconnection and multi-load situation.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
A kind of communication of power system circuit, comprise central control unit 1, central control unit 1 is connected with communication interface chip 3 by photoisolator 2, and communication interface chip 3 is connected with device port 4, is in series with thermistor 5 between communication interface chip 3 and device port 4.
Described thermistor element 5 is serially connected between communication interface chip 3 and the device port 4; when electric system is under multi-point interconnection or the condition of work of multi-load; regulate out-of-balance current by thermistor element 5, protected communication interface chip 3 reliable and long operate as normal reliably.
Claims (1)
1. communication of power system circuit, comprise central control unit (1), central control unit (1) is connected with communication interface chip (3) by photoisolator (2), communication interface chip (3) is connected with device port (4), it is characterized in that, between communication interface chip (3) and device port (4), be in series with thermistor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180046 CN203225000U (en) | 2013-04-11 | 2013-04-11 | Communication circuit of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180046 CN203225000U (en) | 2013-04-11 | 2013-04-11 | Communication circuit of power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225000U true CN203225000U (en) | 2013-10-02 |
Family
ID=49251997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180046 Expired - Fee Related CN203225000U (en) | 2013-04-11 | 2013-04-11 | Communication circuit of power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225000U (en) |
-
2013
- 2013-04-11 CN CN 201320180046 patent/CN203225000U/en not_active Expired - Fee Related
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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: 20131002 Termination date: 20180411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |