CN102608994A - Running state simulation circuit for transformer cooling device - Google Patents
Running state simulation circuit for transformer cooling device Download PDFInfo
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- CN102608994A CN102608994A CN2012100675493A CN201210067549A CN102608994A CN 102608994 A CN102608994 A CN 102608994A CN 2012100675493 A CN2012100675493 A CN 2012100675493A CN 201210067549 A CN201210067549 A CN 201210067549A CN 102608994 A CN102608994 A CN 102608994A
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Abstract
The invention relates to a running state simulation circuit for a transformer cooling device, which is particularly applied to checking an intelligent component of a transformer. The running state simulation circuit comprises a communication circuit, a data processing unit, a switching value input circuit, a power circuit, a switching value output driving circuit, a switching value output circuit, a clock oscillation circuit, a watchdog circuit, a running state display circuit and the like. The running state simulation circuit is capable of simulating all running states of the cooling device and checking functions of the intelligent component of the cooling device meeting corresponding national standards, meets the requirement of an intelligent component user on checking the intelligent component, and fills up the blank of markets.
Description
Technical field
The present invention relates to a kind of transformer cooling device running status mimic channel, relate in particular to a kind of transformer cooling device running status 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.Cooling device then is a significant components of transformer, its guarantee of work temperature of transformer each several part remain in the setting.
In recent years, along with developing rapidly of intelligent substation and intelligent grid, the various intelligent assembly products that are used for cooling device control have appearred on the market.Can intelligent transformer assembly whether reliable safe operation to transformer.But existing intelligent assembly product specification is not quite similar on the market; And limited by product producer and user's hardware condition; When product export uses with the payment user before, how to verify that whether the intelligent assembly product function meets the demands is a problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of transformer cooling device running status mimic channel that control is carried out verification with intelligent assembly to transformer cooling device that is used for; It is easy to use; Safe and reliable, can simulate above-mentioned all running statuses of cooling device, can verification satisfy the function of the cooling device intelligent assembly of respective country standard; Satisfied the verification demand of intelligent assembly user, filled up the market vacancy intelligent assembly.
To achieve these goals, the present invention adopts following technical scheme:
A kind of transformer cooling device running status mimic channel that is used for transformer cooling device control with the intelligent assembly verification comprises communicating circuit, data processing unit, switching value input circuit, power circuit, switching value output driving circuit, switching value output circuit, clock oscillation circuit, watchdog circuit, running status display circuit;
Said power circuit links to each other with data processing unit, switching value input circuit, switching value output driving circuit and switching value output circuit, communicating circuit, watchdog circuit, running status display circuit;
One input port of said data processing unit is connected to host computer through communicating circuit, and the output port of data processing unit is connected to the input port of switching value input circuit, switching value output driving circuit, clock oscillation circuit, watchdog circuit, running status display circuit; The output port of said switching value output driving circuit is connected to the input port of switching value output circuit.
Switching value output circuit according to the invention setting reaches 72 the tunnel, and the setting of said switching value input circuit reaches 32 the tunnel.
The present invention uses the action of devices such as oil flow relay, electrothermal relay in the switching value output circuit analogue transformer refrigeratory, sends relay signal to intelligent assembly via the line between the present invention and intelligent assembly terminal.Can also simulate the refrigeratory control box through switching value input circuit of the present invention and switching value output circuit and receive the control signal that intelligent assembly sends, and return execution result to intelligent assembly.
Beneficial effect of the present invention is:
The present invention supports the RS-485 communications protocol, has terminal connection, DB9 plug and network interface, and debugging is convenient; Nearly output of 72 way switch amounts and the input of 32 way switch amounts can be satisfied the verification requirement of multiple model intelligent assembly cooling device control IED.Input circuit and output circuit have the photoelectricity isolation features, make the present invention more safe and reliable.
Description of drawings
Fig. 1 is the cooling device fundamental diagram;
Fig. 2 is a principle of work block diagram of the present invention.
Embodiment
Shown in accompanying drawing 1, cooling device is the important component part of transformer, and whether its duty normally is directly connected to the security of operation of transformer.These signals are transformed into the switching value signal through corresponding relays, and send the intelligent transformer assembly to.After the intelligent transformer assembly is judged, send control signal for the refrigeratory control box, make its control cooling device carry out corresponding operation.Such as starting cooling system, dropping into one group of refrigeratory etc.Then, the refrigeratory control box returns to intelligent assembly with execution result.
Be depicted as embodiment of the invention fundamental diagram like accompanying drawing 2, embodiment of the invention institute designed circuit can be simulated above-mentioned all running statuses of cooling device.
Present embodiment transformer cooling device running status mimic channel comprises communicating circuit, data processing unit, switching value input circuit, power circuit, switching value output driving circuit, switching value output circuit, clock oscillation circuit, watchdog circuit, running status display circuit.
Said power circuit links to each other with data processing unit, switching value input circuit, switching value output driving circuit and switching value output circuit, communicating circuit, watchdog circuit, running status display circuit; Host computer is connected to an input port of data processing unit through communicating circuit, and the output port of data processing unit is connected to the input port of switching value input circuit, switching value output driving circuit, clock oscillation circuit, watchdog circuit, running status display circuit; The output port of said switching value output driving circuit is connected to the input port of switching value output circuit.
As shown in the figure, data processing unit of the present invention carries out communication through communicating circuit and host computer.Communication format can be standard Modbus agreement, supports connection of RS-485 terminal and DB9 to insert first two mode of connection and have network interface.During field-checking, be connected flexible with host computer.Send order through upper computer software to the present invention, after data processing unit is handled, make switching value driving circuit control respective switch amount output circuit output switching value signal, this signal is used for simulating equipment running such as cooling device inner blower, oil pump.After the corresponding intelligent assembly of cooling device receives signal of the present invention and judges, send control signal corresponding, this signal is the switching value signal, is used for controlling the operations such as switching that cooling device is carried out refrigeratory.Switching value input circuit simulation refrigeratory control box of the present invention receives this signal; And send data processing unit to; After data processing unit is handled, make driving circuit CS amount output circuit send information to intelligent assembly, whether the notice intelligent assembly is successful to the operation of cooling device.
Said power circuit is the DC voltage that data processing unit, switching value input circuit, switching value output driving circuit and switching value output circuit, communicating circuit, watchdog circuit, running status display circuit provide 5V not wait to 24V.
The switching value output interface of said 32 way switch amount input circuit connection of intelligent assemblies, and have the photoelectricity isolation features.The switch value input interface of 72 way switch amount output circuit connection of intelligent assemblies.
Said clock oscillation circuit mainly is made up of crystal oscillator and electric capacity, is used for producing the clock oscillation pulse of data processing unit need of work.
Said watchdog circuit is used for improving antijamming capability of the present invention, occurs the deadlock situation when preventing data processing unit work.
Said running status display circuit is used for indicating running status of the present invention.Mainly comprise: power light, malfunction indicator lamp, communication pilot lamp, switching value output indicator.When circuit operation just often, power light is bright, malfunction indicator lamp shows green.When host computer and communication of the present invention, the flicker of communication pilot lamp.When the arbitrary passage of PC control the present invention's 72 way switch amount output circuits moved, corresponding pilot lamp gave a green light.
The cooling device running status mimic channel that is used for the verification of intelligent transformer assembly that as above constitutes has nearly 72 way switch amount output interfaces and 32 way switch amount input interfaces; The function that can verification satisfies the cooling device intelligent assembly of respective country standard; Satisfied the verification demand of intelligent assembly user, filled up the market vacancy intelligent assembly.
Claims (2)
1. transformer cooling device running status mimic channel that is used for transformer cooling device control with the intelligent assembly verification; It is characterized in that it comprises communicating circuit, data processing unit, switching value input circuit, power circuit, switching value output driving circuit, switching value output circuit, clock oscillation circuit, watchdog circuit, running status display circuit;
Said power circuit links to each other with data processing unit, switching value input circuit, switching value output driving circuit and switching value output circuit, communicating circuit, watchdog circuit, running status display circuit;
One input port of said data processing unit is connected to host computer through communicating circuit, and the output port of data processing unit is connected to the input port of switching value input circuit, switching value output driving circuit, clock oscillation circuit, watchdog circuit, running status display circuit; The output port of said switching value output driving circuit is connected to the input port of switching value output circuit.
2. a kind of transformer cooling device running status mimic channel that is used for transformer cooling device control with the intelligent assembly verification according to claim 1; It is characterized in that; The setting of said switching value output circuit reaches 72 the tunnel, and the setting of said switching value input circuit reaches 32 the tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100675493A CN102608994A (en) | 2012-03-15 | 2012-03-15 | Running state simulation circuit for transformer cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100675493A CN102608994A (en) | 2012-03-15 | 2012-03-15 | Running state simulation circuit for transformer cooling device |
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| CN102608994A true CN102608994A (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100675493A Pending CN102608994A (en) | 2012-03-15 | 2012-03-15 | Running state simulation circuit for transformer cooling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511447A (en) * | 2015-12-10 | 2016-04-20 | 广东志高空调有限公司 | Intelligent tester for cloud air-conditioning online function detection |
| CN109540006A (en) * | 2018-12-18 | 2019-03-29 | 淮阴师范学院 | A kind of mould thickness measuring instrument light-source control system |
| CN110069020A (en) * | 2019-04-28 | 2019-07-30 | 中国长江电力股份有限公司 | A kind of transformer forced oil circulation water-cooling cooler simulation control subsystem |
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| DE2108152A1 (en) * | 1971-02-20 | 1972-08-24 | Raupach F | High-voltage transformer arrangement in insulating jacket design |
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| US20030067306A1 (en) * | 2001-07-24 | 2003-04-10 | Clinton Henry H. | Apparatus for high voltage testing of insulated conductors and oscillator circuit for use with same |
| CN202034166U (en) * | 2010-12-15 | 2011-11-09 | 中国西电电气股份有限公司 | Monitoring and communication module of cooling device for high-voltage transformer |
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2012
- 2012-03-15 CN CN2012100675493A patent/CN102608994A/en active Pending
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| JP2000058358A (en) * | 1998-08-04 | 2000-02-25 | Fuji Electric Co Ltd | Method and apparatus for testing gas insulated transformer |
| US20030067306A1 (en) * | 2001-07-24 | 2003-04-10 | Clinton Henry H. | Apparatus for high voltage testing of insulated conductors and oscillator circuit for use with same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105511447A (en) * | 2015-12-10 | 2016-04-20 | 广东志高空调有限公司 | Intelligent tester for cloud air-conditioning online function detection |
| CN105511447B (en) * | 2015-12-10 | 2017-12-08 | 广东志高空调有限公司 | A kind of intelligent tester for Function detection on cloud air-conditioning line |
| CN109540006A (en) * | 2018-12-18 | 2019-03-29 | 淮阴师范学院 | A kind of mould thickness measuring instrument light-source control system |
| CN110069020A (en) * | 2019-04-28 | 2019-07-30 | 中国长江电力股份有限公司 | A kind of transformer forced oil circulation water-cooling cooler simulation control subsystem |
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Owner name: HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RE Free format text: FORMER OWNER: HEBEI ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20121219 Owner name: STATE GRID CORPORATION OF CHINA HEBEI ELECTRIC POW Effective date: 20121219 |
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Effective date of registration: 20121219 Address after: 050021 No. 238 South Sports street, Yuhua Road, Hebei, Shijiazhuang Applicant after: Electric Power Research Institute of Hebei Electric Power Corporation Applicant after: State Grid Corporation of China Applicant after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 050000 Hebei city of Shijiazhuang Province Sports Street No. 238 Applicant before: Hebei Electric Power Research Institute |
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Application publication date: 20120725 |