CN202583357U - Transformer non electric quantity switching value signal fault simulation circuit - Google Patents
Transformer non electric quantity switching value signal fault simulation circuit Download PDFInfo
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- CN202583357U CN202583357U CN 201220205902 CN201220205902U CN202583357U CN 202583357 U CN202583357 U CN 202583357U CN 201220205902 CN201220205902 CN 201220205902 CN 201220205902 U CN201220205902 U CN 201220205902U CN 202583357 U CN202583357 U CN 202583357U
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- 238000004088 simulation Methods 0.000 title abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 15
- 230000003278 mimic effect Effects 0.000 claims description 6
- 238000012795 verification Methods 0.000 abstract description 9
- 238000004891 communication Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a transformer non electric quantity switching value signal fault simulation circuit. The transformer non electric quantity switching value signal fault simulation circuit comprises a power supply circuit, a data processing unit, a drive circuit, a switching value output circuit and a communication circuit. The power supply circuit is connected with the data processing unit, the communication circuit, the drive circuit and the switching value output circuit. An input terminal of the data processing unit is connected to a host computer through the communication circuit. An output terminal of the data processing unit is connected to an input terminal of the drive circuit. An output terminal of the drive circuit is connected to an input terminal of the switching value output terminal. An output terminal of the switching value output terminal is connected to a non electric quantity switching value input interface of a transformer intelligent module. The transformer non electric quantity switching value signal fault simulation circuit is convenient to use, is safe and reliable, can simulate all non electric quantity switching value fault signals of the transformer intelligent module, can verify the non electric quantity switching value signals of the intelligent module, satisfies the verification needs for the intelligent module of an intelligent module user, and fills the market blank.
Description
Technical field
The utility model relates to a kind of non electrical quantity switching value signal fault mimic channel, relates in particular to a kind of switching value signal fault mimic channel that is applied to the verification of intelligent transformer assembly.
Background technology
In power transmission and transformation system, transformer is the most basic, the most important equipment that realizes the electric energy conversion, and power supply reliability is had great influence.And the intelligent transformer assembly is a critical function of intelligent assembly to the monitoring of non electrical quantity switching value signal.
In recent years, along with developing rapidly of intelligent substation and intelligent grid, the intelligent assembly product of all size has appearred on the market.The application of intelligent assembly can significantly improve reliability, practicality and the economy of transformer station.Intelligent assembly is made up of various functional modules usually, wherein, is the important component part of intelligent assembly functional module to the monitoring and the control of non electrical quantity switching value signal.But; Because the standard of lack of uniform; Existing intelligent assembly product specification is not quite similar on the market; And receive the restriction of each intelligent assembly manufacturer hardware condition, how client and manufacturer verify that the reliability of intelligent assembly product non electrical quantity switching value signal monitoring and control function is a problem demanding prompt solution.
The utility model content
The utility model
PurposeBe to provide a kind of fault simulation circuit that is used for intelligent transformer assembly non electrical quantity switching value signal checking.It is easy to use, and is safe and reliable, can all non electrical quantity switching value fault-signals of analogue transformer intelligent assembly, and non electrical quantity switching value signal that can the verification intelligent assembly has satisfied the verification demand of intelligent assembly user to intelligent assembly, has filled up the market vacancy.
To achieve these goals, the utility model adopts as follows
Technical scheme:
A kind of non electrical quantity switching value signal fault mimic channel that is used for the verification of intelligent transformer assembly comprises power circuit, data processing unit, driving circuit, switching value output circuit, communicating circuit; Said power circuit links to each other with data processing unit, communicating circuit, driving circuit and switching value output circuit; One input end of said data processing unit is connected to host computer through communicating circuit; One output terminal of data processing unit is connected to an input end of driving circuit; One output terminal of driving circuit is connected to an input end of switching value output circuit, and the output terminal of switching value output circuit is connected to the non electrical quantity switch value input interface of intelligent transformer assembly.
The setting of the said switching value output circuit of the utility model reaches 72 the tunnel.
The utility model
Beneficial effectFor:
The utility model is easy to use; Safe and reliable, can all non electrical quantity switching value fault-signals of analogue transformer intelligent assembly, non electrical quantity switching value signal that can the verification intelligent assembly; Satisfied the verification demand of intelligent assembly user, filled up the market vacancy intelligent assembly.The utility model is supported the RS-485 communications protocol, has terminal connection, DB9 plug and network interface, and debugging is convenient; Nearly 72 way switch amounts output can be satisfied the requirement of multiple model intelligent assembly non electrical quantity switching value signal checking.The utility model output circuit has the photoelectricity isolation features, and properties of product are safe and reliable.
Description of drawings
Fig. 1 is a non electrical quantity switch acquisition schematic diagram;
Fig. 2 is the utility model embodiment theory diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in fig. 1; Intelligent assembly equipment is in order to monitor the running status of transformer; Need in transformer, gather a lot of semaphores, such as the oil level signal shown in the figure, air accumulation amount contact point signal, oily flow velocity contact point signal, pressure releaser made contact point signal etc.When break down in some position of transformer, the respective sensor of transformer will be exported signal.These fault-signals all belong to non electrical quantity switching value signal.Accordingly, existing intelligent assembly equipment also has the non electrical quantity switch value input interface that number does not wait usually on the market.
Its theory diagram of the utility model embodiment is as shown in Figure 2.The DC voltage that power circuit can provide 5V not wait to 24V for communicating circuit, data processing unit, driving circuit, switching value output circuit.Data processing unit is connected with host computer through communicating circuit, and communication format is a standard Modbus agreement.72 way switch amount output circuits link to each other with driving circuit, and the switch value input interface of connection of intelligent component devices.The number of times and the frequency of switching value output circuit output signal can be provided with by upper computer software.The model of the said power circuit module of the utility model embodiment is LM2576D2T; The model of communication circuit module is MAX485; The model of data processing unit module is P89V51RD2; The model of drive circuit module is ULN2004.
The said non electrical quantity switching value signal fault mimic channel that is used for the verification of intelligent transformer assembly of the utility model has nearly 72 way switch amount output interfaces; Can verification the correlation function of all intelligent assembly non electrical quantity switching value signals in the market; Improve the tempo of development and the reliability of intelligent assembly, filled up the market vacancy.
Claims (1)
1. transformer non electrical quantity switching value signal fault mimic channel, it is characterized in that: it comprises power circuit, data processing unit, driving circuit, switching value output circuit, communicating circuit; Said power circuit links to each other with data processing unit, communicating circuit, driving circuit and switching value output circuit; One input end of said data processing unit is connected to host computer through communicating circuit; One output terminal of data processing unit is connected to an input end of driving circuit; One output terminal of driving circuit is connected to an input end of switching value output circuit, and the output terminal of switching value output circuit is connected to the non electrical quantity switch value input interface of intelligent transformer assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205902 CN202583357U (en) | 2012-05-09 | 2012-05-09 | Transformer non electric quantity switching value signal fault simulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220205902 CN202583357U (en) | 2012-05-09 | 2012-05-09 | Transformer non electric quantity switching value signal fault simulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583357U true CN202583357U (en) | 2012-12-05 |
Family
ID=47252758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220205902 Expired - Fee Related CN202583357U (en) | 2012-05-09 | 2012-05-09 | Transformer non electric quantity switching value signal fault simulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583357U (en) |
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2012
- 2012-05-09 CN CN 201220205902 patent/CN202583357U/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 | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. HEBEI ELECTRIC POWER CONS Effective date: 20130325 Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE Free format text: FORMER OWNER: HEBEI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20130325 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050000 SHIJIAZHUANG, HEBEI PROVINCE TO: 050021 SHIJIAZHUANG, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130325 Address after: 050021 Shijiazhuang Province, Yuhua Province Sports street, South Street, No. 238, No. Patentee after: Electric Power Research Institute of Hebei Electric Power Corporation Patentee after: State Grid Corporation of China Patentee after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 050000 Hebei city of Shijiazhuang Province Sports No. 238 South Street Patentee before: Hebei Electric Power Research Institute |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20160509 |