CN105719468A - Power dynamic simulation screen controller based on ethernet network - Google Patents
Power dynamic simulation screen controller based on ethernet network Download PDFInfo
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- CN105719468A CN105719468A CN201410734555.9A CN201410734555A CN105719468A CN 105719468 A CN105719468 A CN 105719468A CN 201410734555 A CN201410734555 A CN 201410734555A CN 105719468 A CN105719468 A CN 105719468A
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Abstract
The invention provides a power dynamic simulation screen controller based on an ethernet network. The power dynamic simulation screen controller comprises a power supply, an ethernet interface, an ethernet controller, an MCU and an RS485 communication interface, wherein the power supply is respectively connected with the ethernet controller, the MCU and the RS485 communication interface, and is used for providing electricity; the MCU is connected with the ethernet interface through the ethernet controller; and the output end of the MCU is used for outputting a signal through the RS485 communication interface. The power dynamic simulation screen controller is capable of obtaining equipment state data from a communication machine port of a transformer substation for analyzing and deleting through the ethernet network, then controlling an electric parameter and an on-off state of an electric simulation screen through a data bus, and updating the operation state to achieve the target of dynamic simulation; intelligent monitoring can be met; the automatic degree is improved; and dynamic updating of the operation state of the transformer substation is achieved, so that a dispatcher can accurately carry out scheduling arrangement; and the production schedule and the equipment safety are ensured.
Description
Technical field
The invention belongs to power domain, especially relate to a kind of electric power dynamic analog screen controller based on ethernet network.
Background technology
Realization along with the development of electrical network and unattended transformer station; current substantial amounts of transformer station all achieves Intellectualized monitoring; intelligent management has all been reached including multiple electrical parameter, monitoring of tools, running status, protection equipment; but the conventional electric power imitation screen in a lot of transformer stations especially customer substation is still operated manually by operator on duty; unrealized substation operation state dynamically updates; schedule can not be implemented in time, it is impossible to meet the demand of Intellectualized monitoring.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of electric power dynamic analog screen controller based on ethernet network that disclosure satisfy that Intellectualized monitoring.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of electric power dynamic analog screen controller based on ethernet network, including power supply, Ethernet interface, ethernet controller, MCU and RS485 communication interface, described power supply is connected with described ethernet controller, MCU and RS485 communication interface respectively, for its power supply, described MCU is connected with Ethernet interface by described ethernet controller, and the outfan of described MCU is by described RS485 communication interface output signal.
Further, described RS485 communication interface includes interface chip U1, optocoupler OP1, optocoupler OP2, optocoupler OP3 and Transient Suppression Diode TVS1, described interface chip U1 model is BL3085, the input negative terminal of described optocoupler OP1 is connected with the RO pin of described interface chip U1, the input anode of described optocoupler OP1 meets VCC by resistance R4, the output plus terminal output RXD1 signal of described optocoupler OP1, the input of described optocoupler OP2 is just terminating VCC, the input negative terminal of described optocoupler OP2 connects RE1 signal by resistance R2, the output negative terminal of described optocoupler OP2 connects RE pin and the DE pin of described interface chip U1, the input of described optocoupler OP3 is just terminating VCC, the input negative terminal of described optocoupler OP3 connects TXD1 signal by resistance R3, the output plus terminal of described optocoupler OP3 connects the DI pin of described interface chip U1, described Transient Suppression Diode TVS1 in parallel between the B pin and A pin of described interface chip U1, RS485 communication interface adopts light Rhizoma Nelumbinis isolation technology, the interference free performance of product can be improved.
Further, the model of described ethernet controller is KSZ8041NL.
Further, the master chip of described MCU adopts the K60 series processors K60P144M120SF3 of Freescale.
The present invention has the advantage that and has the benefit effect that owing to adopting technique scheme, this electric power dynamic analog screen controller can obtain each device status data by ethernet network from transformer station's communication device port and be analyzed deleting, the each electric parameter in electric power imitation screen center is controlled again through data/address bus, on off state, update running status, reach the purpose of dynamic analog, disclosure satisfy that Intellectualized monitoring, improve automaticity, realize substation operation state dynamically to update, so that dispatcher can accurately implement schedule, ensure the safety of progress and the equipment produced.
Accompanying drawing explanation
Fig. 1 is principles of the invention block diagram；
Fig. 2 is the circuit diagram of Ethernet interface in the present invention；
Fig. 3 is the circuit diagram of ethernet controller in the present invention；
Fig. 4 is the circuit diagram of MCU of the present invention；
Fig. 5 is the circuit diagram of RS485 communication interface in the present invention；
Fig. 6 is the application block diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
If Fig. 1 is to shown in 5, a kind of electric power dynamic analog screen controller based on ethernet network, including power supply, Ethernet interface, ethernet controller, MCU and RS485 communication interface, the model of described ethernet controller is KSZ8041NL, the master chip of described MCU adopts the K60 series processors K60P144M120SF3 of Freescale, described power supply respectively with described ethernet controller, MCU and RS485 communication interface is connected, for its power supply, described MCU is connected with Ethernet interface by described ethernet controller, the outfan of described MCU is by described RS485 communication interface output signal, described RS485 communication interface includes interface chip U1, optocoupler OP1, optocoupler OP2, optocoupler OP3 and Transient Suppression Diode TVS1, described interface chip U1 model is BL3085, the input negative terminal of described optocoupler OP1 is connected with the RO pin of described interface chip U1, the input anode of described optocoupler OP1 meets VCC by resistance R4, the output plus terminal output RXD1 signal of described optocoupler OP1, the input of described optocoupler OP2 is just terminating VCC, the input negative terminal of described optocoupler OP2 connects RE1 signal by resistance R2, the output negative terminal of described optocoupler OP2 connects RE pin and the DE pin of described interface chip U1, the input of described optocoupler OP3 is just terminating VCC, the input negative terminal of described optocoupler OP3 connects TXD1 signal by resistance R3, the output plus terminal of described optocoupler OP3 connects the DI pin of described interface chip U1, described Transient Suppression Diode TVS1 in parallel between the B pin and A pin of described interface chip U1, RS485 communication interface adopts light Rhizoma Nelumbinis isolation technology, the interference free performance of product can be improved.
As shown in Figure 6, this is obtain each device status data by ethernet network from transformer station's communication manager port to be analyzed deleting based on the electric power dynamic analog screen controller of ethernet network, the each electric parameter in electric power imitation screen center, on off state is controlled again through RS485 data/address bus, update running status, reach the purpose of dynamic analog.During use, the data that Ethernet interface receives are sent to MCU by ethernet controller, are exported by RS485 communication interface by signal after MCU processes, and S485 communication interface adopts light Rhizoma Nelumbinis isolation technology, can improve the interference free performance of product.
Above one embodiment of the present of invention is described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All equalizations made according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (4)
1. the electric power dynamic analog screen controller based on ethernet network, it is characterized in that: include power supply, Ethernet interface, ethernet controller, MCU and RS485 communication interface, described power supply is connected with described ethernet controller, MCU and RS485 communication interface respectively, described MCU is connected with Ethernet interface by described ethernet controller, and the outfan of described MCU is by described RS485 communication interface output signal.
2. a kind of electric power dynamic analog screen controller based on ethernet network according to claim 1, it is characterized in that: described RS485 communication interface includes interface chip U1, optocoupler OP1, optocoupler OP2, optocoupler OP3 and Transient Suppression Diode TVS1, described interface chip U1 model is BL3085, the input negative terminal of described optocoupler OP1 is connected with the RO pin of described interface chip U1, the input anode of described optocoupler OP1 meets VCC by resistance R4, the output plus terminal output RXD1 signal of described optocoupler OP1, the input of described optocoupler OP2 is just terminating VCC, the input negative terminal of described optocoupler OP2 connects RE1 signal by resistance R2, the output negative terminal of described optocoupler OP2 connects RE pin and the DE pin of described interface chip U1, the input of described optocoupler OP3 is just terminating VCC, the input negative terminal of described optocoupler OP3 connects TXD1 signal by resistance R3, the output plus terminal of described optocoupler OP3 connects the DI pin of described interface chip U1, described Transient Suppression Diode TVS1 in parallel between the B pin and A pin of described interface chip U1.
3. a kind of electric power dynamic analog screen controller based on ethernet network according to claim 1 and 2, it is characterised in that: the model of described ethernet controller is KSZ8041NL.
4. a kind of electric power dynamic analog screen controller based on ethernet network according to claim 1 and 2, it is characterised in that: the master chip of described MCU adopts the K60 series processors K60P144M120SF3 of Freescale.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410734555.9A CN105719468A (en) | 2014-12-04 | 2014-12-04 | Power dynamic simulation screen controller based on ethernet network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410734555.9A CN105719468A (en) | 2014-12-04 | 2014-12-04 | Power dynamic simulation screen controller based on ethernet network |
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| CN105719468A true CN105719468A (en) | 2016-06-29 |
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| CN201293938Y (en) * | 2008-11-06 | 2009-08-19 | 保定市尤耐特电气有限公司 | Communication supervisor |
| CN201583578U (en) * | 2009-12-09 | 2010-09-15 | 昆明盈朴科技有限公司 | Multifunctional electric power environment monitoring device |
| CN201608541U (en) * | 2009-12-31 | 2010-10-13 | 上海纽恩新能源科技有限公司 | Solar-energy photovoltaic intelligent power station based on Ethernet |
| CN201654548U (en) * | 2010-04-01 | 2010-11-24 | 扬州国瑞电气有限公司 | Intelligent simulation screen system of transformer substation |
| CN202444321U (en) * | 2011-12-31 | 2012-09-19 | 江西明正变电设备有限公司 | High-tension switch cabinet intelligent monitoring device |
| CN203466854U (en) * | 2013-09-27 | 2014-03-05 | 武汉征原电气有限公司 | HDLC gateway device for rail train |
| CN203840367U (en) * | 2014-03-05 | 2014-09-17 | 上海汉德加网络科技股份有限公司 | Double-backup Ethernet-to-RS485 gateway |
| CN104090511A (en) * | 2014-06-30 | 2014-10-08 | 上海贝岭股份有限公司 | Circuit and method for achieving non-polar 485 communication |
| CN204315075U (en) * | 2014-12-04 | 2015-05-06 | 天津市品通电力科技有限公司 | A kind of electric power dynamic similation screen controller based on ethernet network |
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2014
- 2014-12-04 CN CN201410734555.9A patent/CN105719468A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293938Y (en) * | 2008-11-06 | 2009-08-19 | 保定市尤耐特电气有限公司 | Communication supervisor |
| CN201583578U (en) * | 2009-12-09 | 2010-09-15 | 昆明盈朴科技有限公司 | Multifunctional electric power environment monitoring device |
| CN201608541U (en) * | 2009-12-31 | 2010-10-13 | 上海纽恩新能源科技有限公司 | Solar-energy photovoltaic intelligent power station based on Ethernet |
| CN201654548U (en) * | 2010-04-01 | 2010-11-24 | 扬州国瑞电气有限公司 | Intelligent simulation screen system of transformer substation |
| CN202444321U (en) * | 2011-12-31 | 2012-09-19 | 江西明正变电设备有限公司 | High-tension switch cabinet intelligent monitoring device |
| CN203466854U (en) * | 2013-09-27 | 2014-03-05 | 武汉征原电气有限公司 | HDLC gateway device for rail train |
| CN203840367U (en) * | 2014-03-05 | 2014-09-17 | 上海汉德加网络科技股份有限公司 | Double-backup Ethernet-to-RS485 gateway |
| CN104090511A (en) * | 2014-06-30 | 2014-10-08 | 上海贝岭股份有限公司 | Circuit and method for achieving non-polar 485 communication |
| CN204315075U (en) * | 2014-12-04 | 2015-05-06 | 天津市品通电力科技有限公司 | A kind of electric power dynamic similation screen controller based on ethernet network |
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Application publication date: 20160629 |
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