CN102946148B - Integrated power distribution terminal based on ColdFire - Google Patents
Integrated power distribution terminal based on ColdFire Download PDFInfo
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- CN102946148B CN102946148B CN201210518544.8A CN201210518544A CN102946148B CN 102946148 B CN102946148 B CN 102946148B CN 201210518544 A CN201210518544 A CN 201210518544A CN 102946148 B CN102946148 B CN 102946148B
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Abstract
The invention discloses an integrated power distribution terminal based on ColdFire. The integrated power distribution terminal comprises a main station, voltage and current transformers, a switch input module for acquiring the position of a switch, a mother board bus, an onboard large-capacity storage and a processor, wherein the voltage and current transformers are connected with external voltage signals and current signals; the voltage and current transformers are connected with the processor via the mother board bus; the switch input module is connected with the processor; the onboard large-capacity storage is connected with the processor; and the processor is connected with the main station. The integrated power distribution terminal based on the ColdFire is integrated with the functions of circuit protection and'three remote' of a distribution network, so as to realize synchronous sampling and control for the voltages and the currents of eight loops, and the functions of intelligent power distribution and protection.
Description
Technical field
The invention belongs to distribution automation and relay protection field, be specifically related to a kind of integrated distribution terminal based on ColdFire.
Background technology
Along with intelligent power grid technology is applied more and more deep in electric power system, the intelligence degree of distribution product is progressively deepened, Power System Control Centers needs to grasp electrical network normal operating condition and contingent various fault and abnormal operational conditions in good time, intelligent network distribution device can react fault or the irregular operating state of electric component in electric power system, and action is tripped in relative breaker or sent signal.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention proposes a kind of integrated distribution terminal based on ColdFire, is based on ColdFire chip and adopts the integrated distribution terminal of real time operating system, realizes the monitoring display to outside voltage and current signal.
To achieve these goals, technical scheme of the present invention is:
A kind of integrated distribution terminal based on ColdFire, real time operating system MQX is adopted to be combined with embedded Linux system, comprise main website, voltage current transformer, the input module switch of the collection position of the switch, motherboard bus, plate carry mass storage and processor, described voltage current transformer is connected with external voltage current signal, described voltage current transformer is connected with processor by motherboard bus, input module switch is connected with processor, plate carries mass storage and is connected with processor, and described processor is connected with main website.
Voltage current transformer is connected with external voltage current signal, access side voltage, three road phase voltage signals, zero-sequence current, processor monitoring voltage current analog signal, processor by 6 16Bit synchronized sampling ADC electric current and voltages, and adjusts result automatically according to the rated value of instrument transformer.The mass storage that plate carries can store the recorder data of each loop voltage electric current, history of forming data, and this function indicates the state of device, for overhaul of the equipments provides important data reference.
Described processor, containing multiple CPU, is namely sampled and algorithm CPU, communication cpu; Sampling and algorithm CPU adopt MQX real time operating system, realize the real-time synchronization sampling to each loop voltage electric current and Fu Shi algorithm, gather temperature measurement signal simultaneously; Communication cpu adopt embedded Linux system, realize communication system of power grids stipulations, and with master station communication function; This device, by main website or local configuration, realizes customizable application.
Integration distribution terminal also comprises the four road monobus thermometric passages connecting temperature sensor, described four road monobus thermometric expanding channels processors.
Described temperature sensor is 1 ~ 32.Temperature sensor measurement distribution terminal body interior or external temperature, to monitor the running status of distribution terminal itself and outside related device.
Integration distribution terminal also comprises light mouth and electric mouth Ethernet, GPRS, RS485 interface, CAN BUS or RS232 communication interface.
The present invention has concentrated route protection and the distant function of distribution three, realizes the synchronized sampling to the electric current and voltage in eight loops and control, realizes intelligent power distribution and defencive function; Maximum 48 road voltage current transformers are connected with outside observing and controlling object, gather the analog signal of 10kV transmission line or distribution change; The position signalling that entry loop gathers switch and subsidiary loop is opened in the remote signalling of 108 road DC110V, realizes the non-ionizing energy loss become distribution; Support that four road monobus thermometric passages can access the temperature transducer up to 32, measure distribution terminal inside or external temperature; Also provide light mouth and electric mouth Ethernet, GPRS, RS485 interface, CAN BUS, the multiple communication modes such as RS232, by 101 or 103 stipulations and master station communications.
Accompanying drawing explanation
Fig. 1 is simplified structure schematic diagram of the present invention.
Embodiment
The invention provides a kind of integrated distribution terminal based on ColdFire, as Fig. 1, comprise main website, voltage current transformer, the input module switch of the collection position of the switch, motherboard bus, plate carry mass storage and processor, described voltage current transformer is connected with external voltage current signal, described voltage current transformer is connected with processor by motherboard bus, input module switch is connected with processor, and plate carries mass storage and is connected with processor, and described processor is connected with main website.
Voltage current transformer is connected with external voltage current signal, access Ua, Ub, Uc tri-road phase voltage signal, and offside voltage U a ', Ub ', Uc ' examined and determine for the same period of route survey or route protection, the electric current I a in ten loops, Ib, Ic, zero-sequence current I0, more than amount to 48 tunnel analog quantitys provide monitored target to three kinds of samplings and algorithm CPU element electric current and voltage analog signal by motherboard bus, each sampling and algorithm CPU gather electric current and voltage by 6 16Bit synchronized sampling ADC, and the result of sampling algorithm is automatically adjusted according to the rated value of instrument transformer,
108 road DC110V forceful electric power direct current remote signalling are opened into directly accessing sampling and algorithm CPU element outside terminal, and the outside input of each road all accesses the digital data acquisition interface of CPU after Phototube Coupling, are configured to the digital quantity input of external switch according to the application of reality; Four channel Temperature Measuring signals are the monobus signal that external temperature sensor exports, and access sampling and algorithm CPU element, access OneWire bus after magnetic coupling buffer circuit.
The present invention has concentrated route protection and the distant function of distribution three, realizes the synchronized sampling to the electric current and voltage in eight loops and control, realizes intelligent power distribution and defencive function; Maximum 48 road voltage current transformers are connected with outside observing and controlling object, gather the analog signal of 10kV transmission line or distribution change; The position signalling that entry loop gathers switch and subsidiary loop is opened in the remote signalling of 108 road DC110V, realizes the non-ionizing energy loss become distribution; Support that four road monobus thermometric passages can access the temperature transducer up to 32, measure distribution terminal inside or external temperature; Also provide light mouth and electric mouth Ethernet, GPRS, RS485 interface, CAN BUS, the multiple communication modes such as RS232, by 101 or 103 stipulations and master station communications.
Claims (3)
1. the integrated distribution terminal based on ColdFire, comprise main website, it is characterized in that adopting real time operating system MQX to be combined with embedded Linux system, also comprise voltage current transformer, the collection input module switch of the position of the switch, motherboard bus, plate carry mass storage and processor;
Described voltage current transformer is connected with external voltage current signal, described voltage current transformer is connected with processor by motherboard bus, input module switch is connected with processor, and plate carries mass storage and is connected with processor, and described processor is connected with main website;
Also comprise the four road monobus thermometric passages connecting temperature sensor, described four road monobus thermometric expanding channels processors;
Described processor, containing multiple CPU, is respectively sampling and algorithm CPU, communication cpu; Sampling and algorithm CPU adopt MQX real time operating system, realize the real-time synchronization sampling to each loop voltage electric current and Fu Shi algorithm, gather temperature measurement signal simultaneously; Communication cpu adopt embedded Linux system, realize communication system of power grids stipulations, and with master station communication function;
Voltage current transformer is connected with external voltage current signal, access Ua, Ub, Uc tri-road phase voltage signal, and side voltage U a ', Ub ', Uc ' for the calibrating same period of route survey or route protection, the electric current I a in loop, Ib, Ic, zero-sequence current I0; Ua, Ub, Uc, Ua ', Ub ', Uc ', Ia, Ib, Ic, I0 provide the electric current and voltage analog signal of monitored target by motherboard bus to sampling and algorithm CPU element, each sampling and algorithm CPU gather electric current and voltage by 6 16Bit synchronized sampling ADC, and automatically adjust the result of sampling algorithm according to the rated value of instrument transformer;
The remote signalling of 108 road DC110V is opened entry loop and is gathered switch position signal, and each road that entry loop is opened in remote signalling exports the digital data acquisition interface all accessing sampling and algorithm CPU after Phototube Coupling, is configured to the digital quantity input of external switch according to the application of reality; Four channel Temperature Measuring signals are the monobus signal that external temperature sensor exports, and access sampling and algorithm CPU element, access OneWire bus after magnetic coupling buffer circuit.
2., according to claim 1 based on the integrated distribution terminal of ColdFire, it is characterized in that described temperature sensor is 1 ~ 32.
3., according to claim 1 based on the integrated distribution terminal of ColdFire, characterized by further comprising light mouth and electric mouth Ethernet, GPRS, RS485 interface, CAN BUS or RS232 communication interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210518544.8A CN102946148B (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal based on ColdFire |
| CN2012206659396U CN202918061U (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal base on ColdFire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210518544.8A CN102946148B (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal based on ColdFire |
| CN2012206659396U CN202918061U (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal base on ColdFire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102946148A CN102946148A (en) | 2013-02-27 |
| CN102946148B true CN102946148B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210518544.8A Active CN102946148B (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal based on ColdFire |
| CN2012206659396U Expired - Fee Related CN202918061U (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal base on ColdFire |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206659396U Expired - Fee Related CN202918061U (en) | 2012-12-06 | 2012-12-06 | Integrated power distribution terminal base on ColdFire |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946148B (en) * | 2012-12-06 | 2015-07-15 | 广州南方电力集团科技发展有限公司 | Integrated power distribution terminal based on ColdFire |
| CN115566792A (en) * | 2022-08-26 | 2023-01-03 | 国网浙江省电力有限公司杭州市临平区供电公司 | Method for shortening bus out-of-service remote operation time |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201156681Y (en) * | 2008-01-28 | 2008-11-26 | 苏善伟 | Intelligent power distribution system |
| CN101707469A (en) * | 2009-11-09 | 2010-05-12 | 天津理工大学 | Transformer operation control system based on RISC chip |
| CN202050291U (en) * | 2011-04-29 | 2011-11-23 | 南京大手笔电子科技有限公司 | Distribution network automation feeder terminal |
| CN202918061U (en) * | 2012-12-06 | 2013-05-01 | 广州南方电力集团科技发展有限公司 | Integrated power distribution terminal base on ColdFire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009159651A (en) * | 2007-12-25 | 2009-07-16 | Panasonic Electric Works Co Ltd | Direct-current power distribution system |
-
2012
- 2012-12-06 CN CN201210518544.8A patent/CN102946148B/en active Active
- 2012-12-06 CN CN2012206659396U patent/CN202918061U/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201156681Y (en) * | 2008-01-28 | 2008-11-26 | 苏善伟 | Intelligent power distribution system |
| CN101707469A (en) * | 2009-11-09 | 2010-05-12 | 天津理工大学 | Transformer operation control system based on RISC chip |
| CN202050291U (en) * | 2011-04-29 | 2011-11-23 | 南京大手笔电子科技有限公司 | Distribution network automation feeder terminal |
| CN202918061U (en) * | 2012-12-06 | 2013-05-01 | 广州南方电力集团科技发展有限公司 | Integrated power distribution terminal base on ColdFire |
Non-Patent Citations (1)
| Title |
|---|
| 基于ColdFire-Linux嵌入式开发平台的设计与实现;曾伟等;《计算机工程与设计》;20100731;第31卷(第14期);第3217-3220及3214页 * |
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| Publication number | Publication date |
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| CN102946148A (en) | 2013-02-27 |
| CN202918061U (en) | 2013-05-01 |
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Inventor after: Li Zhan Inventor after: Yang Yong Inventor after: Huo Jinqiang Inventor after: Li Jiatian Inventor before: Li Zhan Inventor before: Yang Yong Inventor before: Huo Jinqiang Inventor before: Li Jiatian |
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Effective date of registration: 20171124 Address after: 510245 Honoka South Street, Guangzhou Avenue, Guangzhou, Guangdong Province, No. 1 Co-patentee after: Guangzhou Power Supply Bureau Patentee after: Nanfang Electric Power Group Sci. & Tech. Dev. Co., Ltd., Guangzhou Address before: 510245 Honoka South Street, Guangzhou Avenue, Guangzhou, Guangdong Province, No. 1 Patentee before: Nanfang Electric Power Group Sci. & Tech. Dev. Co., Ltd., Guangzhou |
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Effective date of registration: 20190614 Address after: 510245 No. 1 Huanan Street, Zhongsui, Jiangnan Avenue, Haizhu District, Guangzhou City, Guangdong Province Patentee after: Nanfang Electric Power Group Sci. & Tech. Dev. Co., Ltd., Guangzhou Address before: 510245 No. 1 Huanan Street, Zhongsui, Jiangnan Avenue, Guangzhou City, Guangdong Province Co-patentee before: Guangzhou Power Supply Bureau Patentee before: Nanfang Electric Power Group Sci. & Tech. Dev. Co., Ltd., Guangzhou |
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