CN202331792U - Data collection transmission system for transformer substation - Google Patents
Data collection transmission system for transformer substation Download PDFInfo
- Publication number
- CN202331792U CN202331792U CN2011204360703U CN201120436070U CN202331792U CN 202331792 U CN202331792 U CN 202331792U CN 2011204360703 U CN2011204360703 U CN 2011204360703U CN 201120436070 U CN201120436070 U CN 201120436070U CN 202331792 U CN202331792 U CN 202331792U
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- optical fiber
- data collection
- ethernet
- fiber transceiver
- receiving end
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Abstract
Provided is a data collection transmission system for a transformer substation. At a data collection transmitting end, a data collection board is connected with a transmitting end Ethernet fiber optical transceiver through an Ethernet interface, the transmitting end Ethernet fiber optical transceiver is connected with a receiving end Ethernet fiber optical transceiver through an optical fiber, and the receiving end Ethernet fiber optical transceiver is connected with a computer through an Ethernet interface. The data collection board is mainly composed of a 48-path analogue switch, a 12-bit analog-to-digital (A/D) converter and a microprocessor LM3S9B90 in cascade connection in sequence. The transmitting end Ethernet fiber optical transceiver and the receiving end Ethernet fiber optical transceiver are respectively composed of HTB-1100 chips. The data collection transmission system for the transformer substation has the advantages of being strong in electromagnetic interference resistance and completely meets requirements for monitoring data transmission of the transformer substation.
Description
Technical field
The utility model relates to the operating condition of transformer station equipment on-line monitoring system, and particularly a kind of data collection and transfering system that is used for transformer station based on Optical Fiber Transmission, applicable object are the data transmission in 500KV and the following electric pressure transformer station.
Background technology
It is one of means that improve security of system stability that equipment running status in the transformer station is carried out on-line monitoring, and this relates to the collection and the transmission problem of monitor data.Transformer station particularly in the transformer station of voltage levels (220KV and more than), has compiled numerous primary equipments and secondary device in the limited space, this can produce very strong stable state electromagnetic interference (EMI) and Transient Electromagnetic interference to the data acquiring and transmission system.Adopt the data acquisition system (DAS) of cable, have the problem that data can't be transmitted and electromagnetic interference (EMI) is serious, be difficult to satisfy the data communication requirement of high reliability and two-forty as communication media.
The utility model content
The purpose of the utility model provides a kind of data collection and transfering system that is used for transformer station that has anti-electromagnetic interference capability, satisfies the requirement of electrical substation monitoring data transmission.
This novel purpose is achieved in that a kind of data collection and transfering system that is used for transformer station, and at the data acquisition transmitting terminal, data acquisition board links to each other with the transmitting terminal ethernet optical fiber transceiver through Ethernet interface; The transmitting terminal ethernet optical fiber transceiver is connected with the receiving end ethernet optical fiber transceiver through optical fiber, and the receiving end ethernet optical fiber transceiver links to each other with computing machine through Ethernet interface; Above-mentioned data acquisition board mainly by 48 path analoging switch, 12 A/D converters and microprocessor LM3S9B90 in order cascade form; Said transmitting terminal ethernet optical fiber transceiver and receiving end ethernet optical fiber transceiver all adopt the HTB-1100 chip to form.
The working power of above-mentioned data acquisition board mainly is made up of bridge rectifier circuit, filtering circuit, voltage stabilizing chip LM2596-5V and DS1205.
Above-mentioned 48 path analoging switch are made up of 68 path analoging switch ADG609.
The technical scheme that adopts in the native system is: at the data acquisition transmitting terminal; Signal to be collected at first passes through multiway analog switch; After conditioning, analog to digital conversion, become digital signal then; ICP/IP protocol (lwip) through transplanting is packaged as the network interface data with digital signal, utilize again the transmitting terminal ethernet optical fiber transceiver with the network interface data conversion for light signal and be transmitted through the fiber to data receiver, data receiver adopts the ethernet optical fiber transceiver corresponding with transmitting terminal to be reduced into electric signal to light signal; And send into computing machine, thereby realize the collection and the transmission of multichannel data through Ethernet interface.
This novel beneficial effect is: system as signal transmission medium, realizes the electrical isolation of data acquisition and transmission with optical fiber, adopts the light signal long-distance transmission data, effectively reduces the influence of electromagnetic interference (EMI); Signal transmission form is safe and reliable, error is little, transmission bandwidth is high; Data acquisition module is core devices with LM3S9B90, and sampling channel reaches 48 the tunnel; System adopts optical fiber as communication media, realizes transmitting terminal and receiving end electrical isolation and the anti-electromagnetic interference (EMI) property of data transmission height, and transmission range can reach 5km farthest, is applicable to the data transmission in 500KV and the following electric pressure transformer station.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Fig. 2 is the utility model power circuit diagram.
Fig. 3 is the utility model data acquisition flow figure.
Embodiment
Fig. 1 illustrates, and originally is used for the data collection and transfering system of transformer station, and at the data acquisition transmitting terminal, data acquisition board links to each other with the transmitting terminal ethernet optical fiber transceiver through Ethernet interface; The transmitting terminal ethernet optical fiber transceiver is connected with the receiving end ethernet optical fiber transceiver through optical fiber, and the receiving end ethernet optical fiber transceiver links to each other with computing machine through Ethernet interface; Above-mentioned data acquisition board mainly by 48 path analoging switch, 12 A/D converters and microprocessor LM3S9B90 in order cascade form; Said transmitting terminal ethernet optical fiber transceiver and receiving end ethernet optical fiber transceiver all adopt the HTB-1100 chip.The working power of data acquisition board mainly is made up of bridge rectifier circuit, filtering circuit, voltage stabilizing chip LM2596-5V and DS1205.48 path analoging switch are made up of 68 path analoging switch ADG609.Multiple signals (like 48 road signals) link to each other with 48 path analoging switch through shielded cable.The ethernet optical fiber transceiver of transmitting terminal and receiving end all adopts the HTB-1100 module, and both adopt the SC interface to connect through optical fiber.
Among Fig. 2; 1,2 pin of J1 access ability current transformer input end respectively; LM2596-5.0V and DS1205 (or A1205SD-2W) are power supply chip, 1,2 pin of J3 connect respectively GND and+pin of 5V, 1,2,3 pin of J4 connect respectively-5V, GND and+pin of 5V.The working power of data acquisition board mainly is made up of bridge rectifier circuit, filtering circuit, voltage stabilizing chip LM2596-5V and DS1205.
Fig. 3 is this novel data acquisition process flow diagram.At first A/D initialization mainly comprises clock, sampling channel, sampling series, step value, produces when sampling finishes and interrupt.Timer initialization again is provided with timer Timer0 16 bit patterns, cycle output trigger action AD sampling.AD after initialization, the trigger action of waiting timer sampling, each sampling all is a sequence, i.e. 8 passages with 4 passages.Trigger when each sequential sampling finishes and interrupt, in interrupting, remove interrupt identification, switch analog channel; Read data send buffer zone; Judge whether to reach the number of a packet,, then return wait timer next time and trigger interruption if do not reach; When reaching a packet number UDP transmission sign is set then, and returns wait timer next time and trigger interruption.
Claims (3)
1. a data collection and transfering system that is used for transformer station is characterized in that, at the data acquisition transmitting terminal, data acquisition board links to each other with the transmitting terminal ethernet optical fiber transceiver through Ethernet interface; The transmitting terminal ethernet optical fiber transceiver is connected with the receiving end ethernet optical fiber transceiver through optical fiber, and the receiving end ethernet optical fiber transceiver links to each other with computing machine through Ethernet interface; Above-mentioned data acquisition board mainly by 48 path analoging switch, 12 A/D converters and microprocessor LM3S9B90 in order cascade form; Said transmitting terminal ethernet optical fiber transceiver and receiving end ethernet optical fiber transceiver all adopt the HTB-1100 chip to form.
2. a kind of data collection and transfering system that is used for transformer station according to claim 1 is characterized in that the working power of said data acquisition board mainly is made up of bridge rectifier circuit, filtering circuit, voltage stabilizing chip LM2596-5V and DS1205.
3. a kind of data collection and transfering system that is used for transformer station according to claim 1 and 2 is characterized in that said 48 path analoging switch are made up of 68 path analoging switch ADG609.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204360703U CN202331792U (en) | 2011-11-07 | 2011-11-07 | Data collection transmission system for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204360703U CN202331792U (en) | 2011-11-07 | 2011-11-07 | Data collection transmission system for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202331792U true CN202331792U (en) | 2012-07-11 |
Family
ID=46443764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204360703U Expired - Lifetime CN202331792U (en) | 2011-11-07 | 2011-11-07 | Data collection transmission system for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202331792U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386679A (en) * | 2011-11-07 | 2012-03-21 | 四川省电力公司宜宾电业局 | Data collecting transmission system for transformer station |
| CN103345806A (en) * | 2013-06-20 | 2013-10-09 | 苏州易轸电子科技有限公司 | Network billing machine |
| CN108877189A (en) * | 2018-06-27 | 2018-11-23 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of data acquisition process transmitting device of substation's noise cloud atlas test device |
-
2011
- 2011-11-07 CN CN2011204360703U patent/CN202331792U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386679A (en) * | 2011-11-07 | 2012-03-21 | 四川省电力公司宜宾电业局 | Data collecting transmission system for transformer station |
| CN103345806A (en) * | 2013-06-20 | 2013-10-09 | 苏州易轸电子科技有限公司 | Network billing machine |
| CN108877189A (en) * | 2018-06-27 | 2018-11-23 | 西安输变电工程环境影响控制技术中心有限公司 | A kind of data acquisition process transmitting device of substation's noise cloud atlas test device |
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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. Effective date: 20140108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: YIBIN POWER SUPPLY COMPANY, STATE GRID SICHUAN ELE Free format text: FORMER NAME: SICHUAN ELECTRIC POWER CORPORATION YIBIN ELECTRIC POWER BUREAU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 644000 Sichuan, South Bank of the Yangtze River Road, Yibin, No. 17 Patentee after: YIBIN POWER SUPPLY COMPANY OF SICHUAN ELECTRIC POWER Corp. Address before: 644000 Sichuan, South Bank of the Yangtze River Road, Yibin, No. 17 Patentee before: Sichuan Electric Power Co.,Ltd. Yibin Electric Power Bureau |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140108 Address after: 644000 Sichuan, South Bank of the Yangtze River Road, Yibin, No. 17 Patentee after: YIBIN POWER SUPPLY COMPANY OF SICHUAN ELECTRIC POWER Corp. Patentee after: State Grid Corporation of China Address before: 644000 Sichuan, South Bank of the Yangtze River Road, Yibin, No. 17 Patentee before: YIBIN POWER SUPPLY COMPANY OF SICHUAN ELECTRIC POWER Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |